CN213442197U - Child safety seat - Google Patents

Abstract

The utility model discloses a children's safety seat, including the base for be connected fixedly with car seat, still include: the chair comprises a chair body, a base and a chair seat, wherein the chair body is arranged above the base, the upper surface of the base is an inclined surface, the height of the rear end of the base is higher than that of the front end of the base, and the chair seat body and the base can relatively slide and be locked along the front-back direction so as to adjust the angle of the chair body; the utility model discloses a chair, including seat body, lateral wing, headrest, seat, lateral wing, width, the top of seat body is equipped with the headrest, just the headrest can slide and lock from top to bottom for the seat body to realize the adjustment of headrest height, the adjustment of lateral wing width and the adjustment of headrest height are independent each other, and are not correlated with each other. The utility model discloses a child safety seat can adjust flank width, head rest height and seat angle according to the demand to reach better comfort level.

Description

Child safety seat

Technical Field

The utility model belongs to the technical field of the safety seat technique and specifically relates to a children's safety seat.

Background

At present, parents have stronger and stronger awareness of safety protection of children taking a car, so that automobile child safety seats are increasingly popularized. As the usage of child seats has increased, the more demanding the user has on the comfort of the seat while sitting.

In the existing child safety seat mechanism, the backrest angle of part of the seat can be adjusted to meet different comfort requirements, but the structure is only used for adjusting the backrest, and the base part of the seat cannot be adjusted, so that the waist comfort of an occupant is not high.

In addition, with the market demand and the technical innovation, a part of seats also have the function of adjusting the width of the side wings, but in the existing seat structure, the width of the side wings and the height of the headrest are adjusted synchronously; that is, when the width of regulation flank, the height of headrest is the simultaneous adjustment also, because in current structure, flank width control carries out the linkage through the altitude mixture control of headrest, because the headrest height can not adjust alone with the flank width, when only need carry out headrest altitude mixture control, the flank width follows the transform, consequently has certain adjustment limitation, also has the influence to the comfort level of person of taking, can not reach all positions and all adjust to comfortable position.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the child safety seat capable of effectively improving the comfort level is provided.

The utility model adopts the technical proposal that: the utility model provides a child safety seat, includes the base for be connected fixedly with car seat, still include: the chair comprises a chair body, a base and a chair seat, wherein the chair body is arranged above the base, the upper surface of the base is an inclined surface, the height of the rear end of the base is higher than that of the front end of the base, and the chair seat body and the base can relatively slide and be locked along the front-back direction so as to adjust the angle of the chair body; the utility model discloses a chair, including seat body, lateral wing, headrest, seat, lateral wing, width, the top of seat body is equipped with the headrest, just the headrest can slide and lock from top to bottom for the seat body to realize the adjustment of headrest height, the adjustment of lateral wing width and the adjustment of headrest height are independent each other, and are not correlated with each other.

Compared with the prior art, the utility model has the following advantage:

in this neotype structure, the seat body can slide along the fore-and-aft direction with the base to the in-process that slides in the front and back, synchronous adjustment takes place for the angle between seat body and the base, effectively improves the comfort level that the seat was taken. In addition, the side wings on the two sides of the chair back and the chair back can move relatively, corresponding limiting assemblies are arranged between the side wings and the chair back and used for limiting and locking the side wings and the chair back when moving to a certain position, and corresponding first driving assemblies are arranged on each side wing and used for driving the side wings and the chair back to release the limiting, so that the width adjustment between the side wings can be realized; in addition, a headrest inserting plate is arranged at the lower end of a headrest of the seat, the headrest can be inserted and pulled up and down to slide and lock relative to a seat back, so that the height of the headrest is adjusted, the height of the headrest and the width of a side wing are adjusted independently, a linkage structure does not exist, independent adjustment can be performed according to requirements, the headrest and the side wing of the seat are fully adjusted to the most comfortable position, and the comfort level of a user is improved.

As an improvement, the base on be equipped with first stopper, first stopper on be equipped with a plurality of spacing grooves along the fore-and-aft direction, the lower extreme of seat body be equipped with spacing groove complex spacing axle and drive spacing axle from the third drive assembly that the spacing groove breaks away from.

The third driving assembly comprises a rocker, a fixed block is arranged at the bottom of the seat body, one end of the rocker is hinged to the fixed block, and the limiting shaft is assembled at the other end of the rocker along the horizontal direction; a first elastic piece is connected between one end of the rocker far away from the hinged point and the bottom of the seat body.

And the lateral wings are provided with first driving assemblies for driving the lateral wings and the chair back to release the limiting, so that the lateral wings and the chair back can move relatively, and the width between the two lateral wings can be adjusted.

The improved chair back comprises a chair body, a chair back bottom and a chair back, wherein the chair body is provided with a side wing body and a side wing, the side wing body and the side wing body are perpendicular to each other, slots are respectively arranged on two sides of the bottom back plate of the chair back, and the side wing body is matched with the slots in a sliding mode; the first driving component is arranged on the side wing body.

The lower end of the second limiting block is provided with a plurality of limiting holes along the horizontal direction; the first driving assembly is used for driving the limiting shaft to move among the limiting holes to be switched, and width adjustment of the side wings is achieved.

The first driving component comprises a driving block hinged on the outer side wall of the side wing body, and one end, far away from the hinged point, of the driving block is connected with a limiting shaft; the plug board is provided with a sliding groove, one end of the limiting shaft, which is far away from the limiting hole, is arranged in the sliding groove in a sliding mode, and a second elastic element is arranged between one end of the limiting shaft, which is far away from the second limiting block, and the lower end wall of the sliding groove, so that the limiting shaft always has the upward movement trend.

The utility model discloses a chair back, including back, head rest, back, the lower extreme of back is equipped with the head rest picture peg, the both sides of back are equipped with a plurality of horizontal extension's locking groove along vertical direction, the head rest picture peg on the corresponding locking pole that is equipped with and be used for ordering about the second drive assembly that locking pole and locking groove were locked or were relieved.

On the other hand, FIX components are movably arranged on two sides below the base, an adjusting component is arranged between the FIX components and the base, the FIX components are fixedly connected with the adjusting component through connecting pieces, and the FIX components are fixed with the base in a sliding mode through the adjusting component; and a secondary lock mechanism for preventing the FIX component and an interface arranged on the automobile seat from loosening is arranged in the FIX component.

Specifically, the adjusting assembly comprises a pull block, a third limiting block, a sliding block and a lock pin, the third limiting block is fixed on the base, and the sliding block is located at the side edge of the limiting block and is fixedly connected with the connecting piece; the sliding block is positioned on the third limiting block and matched with the third limiting block in a sliding mode, the lock pin moves on a sliding groove arranged at the front end of the third limiting block, and the lock pin and the lock hole of the sliding block are locked or unlocked through the movement of the sliding block.

Drawings

Fig. 1 is a structural view of the child safety seat of the present invention.

Fig. 2 is another angle structure view of the child safety seat of the present invention.

Fig. 3 is a schematic structural view of the rear of the child safety seat removal chair of the present invention.

Fig. 4 is a front-rear half-sectional view of the child safety seat of the present invention, with the back structure removed.

Fig. 5 is a structural view of the chair body structure of the present invention with the upper case removed.

Fig. 6 is a structural view of the lower case of the present invention.

FIG. 7 is a connecting structure of the base and the mounting block of the present invention

Fig. 8 is an enlarged structural view at X in fig. 4.

Fig. 9 is an exploded view of a connecting mechanism of the pressing block and the upper case according to the present invention.

Fig. 10 is an enlarged structural view at Y in fig. 4.

Fig. 11 is a structural view of the flap width adjusting mechanism according to the present invention.

Fig. 12 is an exploded view of the wing width adjusting mechanism according to the present invention.

Fig. 13 is an enlarged structural view at X in fig. 11.

Fig. 14 is another perspective exploded view of the wing width adjusting mechanism according to the present invention.

Fig. 15 is a structural view of the child safety seat according to the present invention without the support backup plate.

Figure 16 is a block diagram of the headrest height adjustment mechanism of the present invention.

Fig. 17 is an exploded view of the headrest height adjusting mechanism of the present invention.

Figure 18 is another angle block diagram of the headrest height adjustment mechanism in the present invention.

Fig. 19 is a schematic diagram of the unmoved three-dimensional structure of the FIX assembly of the present invention.

Fig. 20 is a schematic diagram of the mobile three-dimensional structure of the FIX assembly of the present invention.

Fig. 21 is a schematic structural view between the base and the FIX module according to the present invention.

Fig. 22 is a schematic perspective view of the slide block of the present invention.

Fig. 23 is a schematic perspective view of the FIX assembly of the present invention.

Fig. 24 is a schematic view of the three-dimensional internal structure of the FIX assembly of the present invention.

Fig. 25 is a schematic structural view of the present invention between the two locking mechanisms, the unlocking member, the connecting assembly and the lock tongue.

Fig. 26 is a front perspective view of the ventilation mechanism of the present invention on a safety seat.

Fig. 27 is a schematic rear perspective view of the ventilation mechanism of the present invention on the safety seat.

Fig. 28 is a front perspective view of the chair back of the present invention.

Fig. 29 is a schematic view of a rear perspective structure of the chair back of the present invention.

Wherein, 100-base, 101-seat body, 102-flank, 102.1-flank body, 102.2-pinboard, 102.2.1-sliding groove, 102.2.2-guiding groove,

104-first drive assembly, 104.1-drive block,

105-a limiting component, 105.1-a second limiting block, 105.1.1-a limiting hole, 105.2-a limiting shaft, 106-a second elastic element, 107-a pull cable, 108-an isolating block, 109-a rotating shaft and 110-a pulling plate;

1-a first stopper, 1.1-a stopper groove, 2-a stopper shaft, 3-a driving component, 3.1-a rocker, 3.1.1-a groove, 4-a fixed block, 5-a first elastic element, 6-a chair body, 6.1-a lower shell, 6.1.1-an avoidance hole, 6.1.2-a stopper channel, 6.2-an upper shell, 6.2.1-a mounting groove, 7-a chair back, 7.1-a slot, 8-a mounting block, 9-a pressing plate, 9.1-a top rod, 9.2-a stopper convex rib, 10-a connecting shaft, 11-a clamping hook, 12-an arc groove 13-an arc protrusion, 14-a connecting rod, 15-a connecting column, 16-a mounting frame, 16.1-a mounting hole, 16.2-a stopper clamping groove;

17-supporting backup plate, 18-headrest, 18.1-supporting bottom plate, 18.1.1-containing groove, 18.2-headrest body, 19-side wing,

20-FIX component, 30-adjusting component, 40-connecting piece, 50-restoring spring, 60-two-way lock mechanism, 70-unlocking piece, 80-connecting component, 90-connecting pipe, 160-bolt, 301-sliding block, 302-third limiting block, 303-sliding block, 304-locking pin, 301.1-guiding block, 301.2-first guiding groove, 301.3-second guiding groove, 301.1-handle, 302.1-first sliding groove, 302.2-limiting column, 303.1-locking hole, 303.2-mounting groove, 304.1-guiding column, 601-lock shell, 602-two-way unlocking piece, 801-tension spring, 802-locking block, 901-opening, 902-first through hole, 903-sliding device, 601.1-second sliding groove, 601.2-mounting hole, 602.1-abutting block, 602.2-pressing piece, 602.3-convex strip, 70.1-groove, 903.1-fixed block and 903.2-sliding limit groove;

120-headrest inserting plate, 120.1-assembling groove, 120.1.1-communicating hole, 121-locking groove, 122-locking rod and 122.1-guide column;

130-pull rod, 130.1-hand pull plate, 130.2-iron screw rod, 131-slide block, 131.1-guide hole and 140-third elastic element;

400-ventilation cavity, 500-panel, 600-headrest, 700-support plate, 800-blowing device, 2001-second ventilation hole, 3001-first ventilation hole, 3002-ventilation channel, 3003-rib, 7001-third ventilation hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, it should be noted that the terms "upper surface", "front end", "rear end", "lower end", "bottom", "both sides", "both ends", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "coupled" are to be interpreted broadly, e.g., the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2, 3, and 7, the utility model provides a child safety seat, it includes base 100 and locates the seat body 101 of base 100 top, the upper surface of base 100 is the inclined plane, and the rear end height of base 100 is higher than its front end height, seat body 101 can slide and lock along the fore-and-aft direction for base 100, when seat body 101 and base 100 take place relative displacement, under the guide effect on inclined plane, the corresponding emergence of seat body 101 and the relative position angle of base 100 changes to realize the adjustment of seat angle.

Specifically, as shown in fig. 5 and 7, a first elongated limiting block 1 is disposed on the base 100 near the front end, the first limiting block 1 is disposed along the front-back direction, a plurality of limiting grooves 1.1 are disposed on the first limiting block 1 along the front-back direction, and the limiting grooves 1.1 penetrate through the side walls of the two ends of the first limiting block 1 along the left-right direction; the lower extreme of seat body 101 is equipped with spacing axle 2 and the drive assembly 3 that drives spacing axle 2 and break away from spacing groove 1.1 with spacing groove 1.1 complex. When the limiting shaft 2 is fitted in different limiting grooves 1.1 along the front-rear direction, the seat body 101 and the base 100 present different angles.

As shown in fig. 4, 5 and 6, the driving assembly 3 includes a rocker 3.1, the bottom of the seat body 101 is provided with a fixed block 4, one end of the rocker 3.1 is hinged on the fixed block 4, and the limiting shaft 2 is assembled at the other end of the rocker 3.1 along the horizontal direction; a first elastic piece 5 is connected between one end of the rocker 3.1 away from the hinge point and the bottom of the seat body 101.

Specifically, the seat body 101 comprises a seat body 6 and a seat back 7, wherein the lower end of the seat back 7 is rotatably connected with the seat body 6, and the seat back 7 has a natural rotation angle of 10 degrees forward or backward relative to the seat body 6; the seat body 101 adopts a split type structure, so that the processing difficulty is reduced, a certain natural rotation angle is formed between the seat back 7 and the seat body 6, the safety seat can be installed on the automobile, the seat back 7 and the back of the automobile seat can be attached more tightly, and the comfort of the child is improved.

The rear end of the chair body 6 is provided with a connecting shaft 10, the lower end of the chair back 7 is provided with a hook 11, and the hook 11 is clamped outside the connecting shaft 10. In addition, in the structure, the rear end of the chair body 6 is provided with a mounting groove, the lower end of the chair back 7 is provided with a mounting protrusion matched with the mounting groove, the connecting shaft 10 is arranged at the lower end of the mounting groove, the clamping hook 11 is arranged at the bottom end of the mounting protrusion, arc-shaped grooves 12 are arranged at the positions, located at the two sides of the mounting protrusion, of the lower end of the chair back 7, the positions, located at the two sides of the mounting groove, of the top of the chair body 6 are arc-shaped protrusions 13, when the chair back 7 and the chair body 6 are assembled together, a certain gap exists between the arc-shaped grooves 12 and the arc-shaped protrusions 13, namely, the chair body 6 can rotate by a certain angle around the connecting shaft 10, when the lower end of the chair back 7 rotates to interfere with the upper end of the chair body 6, the chair back 7 cannot rotate continuously, in the structure, the front-back rotation angle of the chair back 7 is preset to be 10 degrees, so, the stability of the safety seat back is maintained.

The chair body 6 comprises a lower shell 6.1 and an upper shell 6.2, and in the structure, the upper shell 6.2 and the lower shell 6.1 are all integrally injection-molded plastic parts; and the fixed block 4 is integrally formed on the lower shell 6.1, as shown in fig. 6; the base 100 is integrally formed with a mounting block 8, as shown in fig. 8; the lower shell 6.1 is provided with an avoidance hole 6.1.1 for the mounting block 8 to move, the first limiting block 1 is arranged above the lower shell 6.1 in a sliding manner, the lower end of the first limiting block 1 is connected with the mounting block 8, and when the seat body 101 and the base 100 slide relatively, the mounting block 8 on the base 100 slides in the avoidance through hole 6.1.1; in addition, in order to maintain the linearity and stability of the translation of the seat body 101, a limiting channel 6.1.2 is provided at an end of the lower housing 6.1 away from the hinge point of the rocker 3.1, and an end of the first limiting block 1 is slidably provided in the limiting channel 6.1.2, so as to play a role in guiding and limiting during the movement of the seat body 101, as shown in fig. 6.

In this embodiment, preferably, the number of the mounting blocks 8 is two, the two mounting blocks 8 are symmetrically arranged on two sides of the rocker 3.1, and two ends of the limiting shaft 2 are respectively matched in the corresponding limiting grooves 1.1, so that the limiting stability is improved.

As shown in fig. 4, 5 and 8, a connecting rod 14 is arranged at the rear end of the rocker 3.1, a connecting column 15 is integrally formed on the lower shell 6.1, one end of the elastic element 5 is connected to the connecting rod 14, and the other end is connected to the connecting column 15; in this embodiment, the elastic member 5 is a tension spring.

As shown in fig. 9 and 10, an installation groove 6.2.1 is provided at one end of the upper housing 6.2 close to the hinge point of the rocker 3.1, a pressing plate 9 is slidably provided in the installation groove 6.2.1, and a lower end of the pressing plate 9 abuts against the rocker 3.1. Specifically, a mounting frame 16 is connected in the mounting groove 6.2.1, a mounting hole 16.1 is formed in the mounting frame 16, the pressing plate 9 is slidably arranged in the mounting hole 16.1, a mandril 9.1 is arranged at the lower end of the pressing plate 9, a groove 3.1.1 is formed in the wane 3.1 corresponding to the mandril 9.1 at the lower end of the pressing plate 9, and the mandril 9.1 is matched in the groove 3.1.1. More specifically, be equipped with spacing draw-in groove 16.2 along the circumference of joining in marriage dress hole 16.1 at the lower extreme of installation frame 16, be equipped with the spacing protruding muscle 9.2 with spacing draw-in groove 16.2 looks adaptation at the lower extreme of pressing board 9 for prevent to press board 9 to deviate from and join in marriage dress hole 16.1.

The principle of angle adjustment:

in the initial state, under the action of the tension spring, the limiting shaft 2 is matched in any limiting groove 1.1, the seat body 101 and the base 100 keep an inclined angle, when the angle between the seat body 101 and the base 100 needs to be adjusted, the pressing block 9 is pressed down by fingers, the ejector rod 9.1 at the lower end of the pressing block 9 is driven to drive the rocker 3.1 to rotate along the hinge point, namely, the limit shaft 2 on the rocker 3.1 far away from one end of the hinge point is separated from the limit groove 1.1, at the moment, the front and back positions of the seat body 101 can be moved, because the upper end surface of the base 100 is an inclined surface, corresponding inclination angle changes during the translation process of the seat body 101, namely, the angle adjustment of the seat body 101 is realized, and after the seat body is moved to a proper position, the external force on the pressing plate 9 is released, under the reverse tension action of the tension spring, the limiting shaft 2 moves downwards until the limiting shaft is clamped in the corresponding limiting groove 1.1.

On the other hand, as shown in fig. 11 and 12, a support back plate 17 is provided on one surface of the seat back 7 near the inner side of the seat, a headrest 18 is slidably connected to the upper end of the seat back 7, and side wings 19 are provided on two opposite side edges of the seat back 7.

The child safety seat further comprises a limiting assembly 105 arranged between the side wings 102 and the seat back 7 and used for limiting the relative position between the side wings 102 and the seat back 7, and a first driving assembly 104 is correspondingly arranged on the side wings 102 and used for driving the side wings 102 and the seat back 7 to be free of limiting, so that the side wings 102 and the seat back 7 can move relatively, and the width between the two side wings 102 can be adjusted.

Specifically, the limiting component 105 comprises a second limiting block 105.1 horizontally arranged on the chair back 7 and a limiting shaft 105.2 vertically arranged on the plugboard 102.2, and the lower end of the second limiting block 105.1 is provided with a plurality of limiting holes 105.1.1 along the horizontal direction; the first driving assembly 104 is used for driving the limiting shaft 105.2 to move and switch among the limiting holes 105.1.1, so as to adjust the width of the side wing 102. Specifically, the first driving assembly 104 drives the limiting shaft 105.2 to move up and down, so as to realize the matching and separation with the limiting hole 105.1.1. In this embodiment, in order to reduce the weight and the weight, and meet the design concept of light weight, a plurality of inner grooves are axially formed on two side surfaces of the limiting shaft 105.2.

As shown in fig. 11, two limit stop assemblies 105 and two corresponding first driving members 104 are provided between each side wing 102 and the seat back 7 of the seat; two stop assemblies 105 are provided at the upper and lower ends of the side wings 102 near the seat back 7.

Specifically, as shown in fig. 12, the upper and lower ends of the two sides of the seat back 7 are horizontally connected with second limiting blocks 105.1, correspondingly, two limiting shafts 105.2 are arranged on the side wings 102, and the two limiting shafts 105.2 are both in driving connection with the first driving assembly 104, that is, the two first driving assemblies 104 are controlled to limit and release the limiting of the upper and lower corresponding limiting assemblies 105 of the seat back 7.

As shown in fig. 11 and 12, each side wing 102 of the seat structure includes a side wing body 102.1 and a plug board 102.2 that are perpendicular to each other, two sides of a bottom back board of the seat back 7 are respectively provided with a slot 7.1, the plug board 102.2 is slidably fitted in the corresponding slot 7.1, and a U-shaped accommodating space is formed between the side wing bodies 102.1 of the two side wings 102 and the seat back 7 for the back of the child to abut against. Correspondingly, the two first driving assemblies 104 are respectively arranged on the two side wing bodies 102.1, so that the independent control of each side wing 102 is realized, and the operation is more convenient.

Specifically, as shown in fig. 11 to 14, the first driving assembly 104 includes a driving block 104.1 hinged on the outer side wall of the wing body 102.1, and one end of the driving block 104.1 away from the hinge point is connected with a limiting shaft 105.2; be equipped with spout 102.2.1 on the plugboard 102.2, the one end that spacing hole 105.1.1 was kept away from to spacing axle 105.2 slides and sets up in spout 102.2.1, be equipped with second elastic element 106 between the lower extreme wall that spacing axle 105.2 kept away from the one end of second stopper 105.1 and spout 102.2.1 makes spacing axle 3.1 have upward movement's trend all the time, all be equipped with corresponding spacing post at the lower extreme wall of spout 102.2.1 and at the lower extreme of spacing axle 105.2 for it is spacing to supply second elastic element 106 to cooperate. After the second elastic element 106 is disposed, when the first driving component 104 drives the limiting shaft 105.2 to move downward to release the locking with the second limiting block 105.1, the side wing 102 can move downward after receiving a downward pulling force, and after moving a certain position, the external force is released, and under the elastic action of the second elastic element 106, the limiting shaft 105.2 moves upward to reset, and is assembled in another limiting hole 105.1.1, thereby realizing the width adjustment of the side wing.

In addition, the first driving component 104 and the limiting shaft 105.2 are vertically distributed in the structure, and in order to simplify the structure and achieve flexible and convenient driving, in the embodiment, the driving block 104.1 and the limiting shaft 105.2 are flexibly connected through the inhaul cable 107; the plug board 102.2 is provided with a guide groove 102.2.2 for accommodating the pulling cable 107. Because the upper end and the lower end of the plugboard 102.2 are both provided with the limiting shafts 105.2, two pull cables 107 which are symmetrically arranged in the guide groove 102.2.2 in the opposite direction are correspondingly arranged, one end of each pull cable 107 is connected to the driving block 104.1, and the other end of each pull cable 107 is connected to the limiting shaft 105.2, so that when the driving block 104.1 is horizontally pulled, the two limiting shafts 105.2 correspondingly move up and down to realize the matching and the separation with the limiting holes 105.1.1.

As shown in fig. 12, in order to prevent the two cables 107 from contacting and interfering with each other, a spacer block 108 is disposed on the back of the wing main body 102.1 at a position corresponding to the driving block 104.1, two through holes are disposed on the spacer block 108 at a certain distance, and one ends of the two cables 107 close to the driving block 104.1 are respectively inserted into the corresponding through holes.

In addition, as shown in fig. 14, an inner concave groove 102.2.1 is provided on the outer side wall of the wing body 102.2, a rotating shaft 109 is provided in the inner groove 102.2.1 along the vertical direction, the driving block 104.1 is connected in the inner groove 102.2.1 through the rotating shaft 109, the driving block 104.1 can rotate inside and outside around the rotating shaft 109, so that the inhaul cable 107 drives the limiting shaft 105.2 to move up and down; in addition, to facilitate manual operation, a pull plate 110 is attached to the drive block 104.1, the pull plate 110 being located at the open end of the inner recess 102.2.1.

On the other hand, as shown in fig. 15, the headrest 18 of the safety seat comprises a support bottom plate 18.1 with a U-shaped structure and a headrest body 18.2, wherein the headrest body 18.2 is arranged at one end of the support bottom plate 18.1 close to the inner side of the seat; the headrest inserting plate 120 is integrally formed at the lower end of the supporting bottom plate 18.1, the headrest inserting plate 120 can slide and lock up and down relative to the chair back 7, namely, the height of the headrest 18 can be adjusted, in the structure, the adjustment of the height of the headrest 18 and the adjustment of the width of the side wings 102 are completely independent and are respectively controlled independently without mutual interference, and the defects of mutual interference and space size limitation caused by the fact that the headrest 18 is controlled to move up and down and the side wings 102 move horizontally simultaneously through one control mechanism in the prior art are overcome.

In the structure, the inserting plates 102.2 of the side wings 102 are arranged in a sliding way in a channel between the support backup plate 17 and the headrest inserting plate 102.2 of the chair back 7, and the space structure between the parts is fully utilized.

Specifically, as shown in fig. 16 and 17, two sides of the seat back 7 are provided with a plurality of laterally extending locking slots 121 along a vertical direction, and two sides of the headrest inserting plate 120 are correspondingly provided with a locking rod 122 and a second driving assembly for driving the locking rod 122 to be locked or unlocked with the locking slots 121.

The second driving assembly includes a pull rod 130 and a slider 131, one end of the pull rod 130 is disposed at the rear of the upper end of the headrest 18, and the other end is connected with the slider 131. As shown in fig. 17, more specifically, the pull rod 130 includes a hand-pulling plate 130.1 and an iron wire rod 130.2, one end of the iron wire rod 130.2 is connected to the sliding block 131, and the other end is connected to the hand-pulling plate 130.1, and correspondingly, as shown in fig. 18, an inward-concave accommodating groove 18.1.1 is provided on the rear side wall of the supporting bottom plate 18.1, the hand-pulling plate 130.1 is installed in the accommodating groove 18.1.1, and the lower end of the hand-pulling plate 130.1 is connected to the iron wire rod 130.2.

The headrest inserting plate 120 is provided with a matching groove 120.1, and the sliding block 131 is arranged in the matching groove 120.1 in a vertically slidable manner; two guide holes 131.1 which are bilaterally symmetrical and inclined inwards from top to bottom are arranged on the sliding block 131, namely the guide holes 131.1 are long strip-shaped kidney-shaped holes, one end of each locking rod 122, which is far away from the locking groove 121, is convexly provided with a guide column 122.1 matched with the guide hole 131.1, when the pull rod 130 is pulled to move upwards, under the guiding action of the inclined guide holes 131.1, the two guide columns 122.1 move along the guide holes 131.1 to enable the locking rod 122 to be separated from the locking groove 121 and move towards the assembling groove 120.1, so that the sliding block 131 can move upwards and downwards in the assembling groove 120.1, in addition, a third elastic element 140 is arranged between the upper end of the sliding block 131 and the upper end wall of the assembling groove 120.1, so that the first limit block 131 always has a downward movement trend, after the sliding block 131 moves upwards for a certain distance, the external force on the pull rod 130 is released, and the sliding block 131 moves downwards under the elastic resetting action of the third elastic element 140, after the guiding action of the guiding hole 131.1, the capture lever 122 is re-fitted in the corresponding capture slot 121.

As shown in fig. 17, the fitting groove 120.1 in this structure is a T-shaped structure, correspondingly, the slider 131 is a T-shaped structure, the side walls at the left and right ends of the fitting groove 120.1 are provided with communicating holes 120.1.1 extending to the left and right outer side walls of the headrest inserting plate 120, and one end of the locking rod 122 away from the slider 131 is slidably inserted into the communicating hole 120.1.1 to guide and limit the movement of the locking rod 122, so that the movement process does not deviate.

In this embodiment, the first elastic element 5, the second elastic element 106, and the third elastic element 140 are all springs, and the springs are selected as the elastic elements, so that the structure is simple, the restoring force of the springs is stable, and the existing standard elements can be directly selected, thereby reducing the cost. Of course, in other embodiments, the resilient element may also be a rubber elastomer.

On the other hand, as shown in fig. 19-21, the FIX assemblies 20 are movably disposed on two sides of the lower portion of the base 100, and are symmetrically distributed on the sliding grooves on two sides of the base, an adjusting assembly 30 is installed between the FIX assembly 10 and the base 100, the FIX assembly 20 is fixedly connected with the adjusting assembly 30 through a connecting member 40, the connecting member 40 is preferably a cross bar, the two FIX assemblies 20 are fixedly connected with a mounting groove 303.2 disposed at the front end of the sliding block 303 through the cross bar, and the FIX assembly 10 is slidably fixed with the base 100 through the adjusting assembly 30; be equipped with in the FIX subassembly 20 and prevent that FIX subassembly 20 and car seat are equipped with two lock mechanism 60 that the interface pine that is equipped with takes off, when FIX interface connection on FIX subassembly and the car seat is fixed, need adjust the extension length of FIX subassembly this moment through adjusting part, thereby and press down through two lock mechanism 60 and make unlocking piece 70 remove the upset that drives spring bolt 100 along the fore-and-aft direction of connecting pipe 90, the fore-and-aft direction that makes spring bolt 100 is the lock state with opening 901, make safety seat install on car seat, it is convenient to have the regulation, the good and high advantage of regulation stability of synchronism, and simultaneously through two lock mechanism 60 make the interface connection who is equipped with on FIX connector and the car seat fixed back, the phenomenon that just can realize the unblock through unlocking piece release can not appear, the security is high and the advantage of removing unnecessary maloperation.

In order to make the structural arrangement of the base 100 more compact and reasonable and to facilitate the adjustable installation of the safety seat, the adjusting assembly 30 is located at the center of the front end of the base 100, and the connecting member 40 fixedly connected with the adjusting assembly 30 is located at the front end of the adjusting assembly 30.

The adjusting assembly 30 comprises a pull sliding block 301, a third limiting block 302, two sliding blocks 303 and a locking pin 304, wherein the third limiting block 302 is integrally injection-molded at the center of the front end of the base 100, the sliding blocks 303 are positioned at the side edge of the third limiting block 302 and are fixedly connected with the connecting piece 40, namely the sliding blocks 303 are provided with two blocks, a mounting groove 303.2 is fixed between the front ends of the two sliding blocks 303, the connecting piece 40 is limited and fixed in the mounting groove 303.2, and the two sliding blocks 303 are driven to move simultaneously by the movement of the FIX assembly 10 in the front-back direction; the pull slide block 301 is positioned on the third limit block 302 and is in sliding fit with the third limit block 302, the lock pin 304 is movably arranged on a first sliding groove 302.1 arranged at the front end of the third limit block 302, and the lock pin 304 is enabled to be locked or unlocked with the lock hole 303.1 of the slide block 303 through the movement of the pull slide block 301; thereby achieving the purpose of adjusting the back-and-forth movement distance of the FIX assembly 10.

In order to meet the requirement of the extending length uniformity of the FIX component, a plurality of locking holes 303.1 are arranged on the sliding block 303 in sequence, the sliding block 303 is located on two sides of the third limiting block 302, the locking pins 304 used in cooperation with the locking holes 303.1 are symmetrically distributed on the first sliding groove 302.1 of the third limiting block 302, and the locking pins 304 move synchronously in the moving process.

As shown in fig. 22, the front end of the pull slider 301 is provided with a guide block 301.1, and the rear end is provided with a pull handle 301.1, so as to ensure the stability of the guide block 301.1 in the moving process, as shown in fig. 3, the guide block 301.1 is movably connected with a limit post 302.2 arranged on the third limit block 302 and a guide post 304.1 arranged on the lock pin 304 in a guiding manner.

As shown in fig. 22, a pair of first guide grooves 301.2 which are splayed along the front-back direction of the base 100 and a pair of second guide grooves 301.3 which are distributed in parallel along the front-back direction of the base 100 are arranged on the guide block 301.1, the first guide grooves 301.2 are movably guided and connected with the guide posts 304.1, and the second guide grooves 301.3 are movably guided and connected with the limit posts 302.2; the two first guide grooves 301.2 are located outside the two second guide grooves 301.3, and the first guide grooves 301.2 mainly function to move the lock pin 304 inward and outward, that is, move the side edge of the base 100 in the left-right direction, so that the lock pin 304 is locked or unlocked with the lock hole 303.1 of the sliding block 303; the second guide groove 301.3 mainly plays a role in guiding and stabilizing the pull slider 301 during the movement in the front-rear direction of the base 100.

The reset spring 50 is installed between the pull slider 301 and the third limiting block 302, one end of the reset spring 50 is fixed on one end face of the groove formed in the third limiting block 302 in a limiting manner, and the other end of the reset spring is fixed on one end face of the pull slider 301 embedded in the groove in a limiting manner, so that the reset function of the pull slider 301 is mainly achieved, and the lock pin 304 and the lock hole 303.1 of the slide block 303 are locked at the same time through the reset function.

The second lock mechanism 60 comprises a lock tongue 100 and an unlocking piece 70, the lock tongue 100 is an alligator type lock tongue, one end of the lock tongue 100 is connected with one end of the unlocking piece 70 through a connecting component 80 and is installed in a connecting pipe 90 with an opening 901, the lock tongue 100 is movably connected in the connecting pipe 90 and is positioned at the side of the opening 901 of the connecting pipe 90, and the lock tongue 100 is driven to overturn by moving along the front and back direction of the connecting pipe 90 through the unlocking piece 70, so that the locking opening of the lock tongue 100 is locked or unlocked with the opening 901; the connecting pipe 90 is also internally provided with two locking mechanisms 60, when the two locking mechanisms 60 do not work, the two locking mechanisms 60 are abutted against the other end of the unlocking piece 70, and when the two locking mechanisms 60 work, the two locking mechanisms 60 are inserted into the other end of the unlocking piece 70; through addding two latch mechanisms for the fixed back of interface connection that is equipped with on FIX connector and the car seat, the phenomenon that just can realize the unblock through the unblock piece is separated can not appear taking place, has the security height and removes the advantage of unnecessary maloperation.

As shown in fig. 23 and 24, the FIX assembly 20 includes a lock housing 601, a two-way unlocking member 602, wherein the two-way unlocking member 602 is installed in the lock housing 601 and is movable in the lock housing 601 by pressing; through the pressing mode, the operation process is simpler and more convenient.

The front end of the second unlocking piece 602 is provided with an abutting block 602.1 abutting against the unlocking piece 70, and at this time, if the unlocking piece 70 is operated by external force, the bolt 100 cannot be opened, and the unlocking phenomenon can be realized by unlocking the unlocking piece; the rear end of two unlocking piece 602 is equipped with pressing piece 602.2, the removal of pressing through pressing piece 602.2 makes butt piece 602.1 and unlocking piece 70 separate, and with the recess 70.1 that sets up on unlocking piece 70 alternate mutually, the removal through pressing piece 602.2 this moment, and alternate mutually with recess 70.1, can play unlocking piece 70's removal, thereby play the effect of unblock, the security is high and the advantage of removing unnecessary maloperation.

As shown in fig. 24, a mounting hole 601.2 for mounting the two unlocking members 602 is formed in the lock housing 601, the mounting hole 601.2 is located at a side edge of the lock housing 601, the pressing member 602.2 is located on the mounting hole 601.2, and a pressing end of the pressing member 602.2 protrudes out of the mounting hole 601.2 and the corresponding first through hole 902 of the connecting pipe 90, so as to facilitate the operation of the two unlocking members 602.

In order to stabilize the pressing piece 602.2 during operation and prevent deviation during operation, a raised rib 602.3 is provided on the circumferential surface of the pressing piece 602.2, a second sliding slot 601.1 is provided in the lock case 601 corresponding to the rib 602.3, and the operation is more stable by the sliding connection between the rib 602.3 and the second sliding slot 601.1.

As shown in fig. 25, the connection assembly 80 includes a tension spring 801, a lock block 802, one end of the tension spring 801 is connected and fixed with the unlocking member 70, the other end is connected and fixed with the lock back of the lock tongue 100, one end of the lock block 802 is fixed with the unlocking member 70, the other end is in contact with the lock tongue 100, namely, the unlocking member 70 moves backwards along the connection pipe 90, and the lock block 802 is driven to move, so that the lock block 802 is separated from the lock tongue 100, and the lock tongue 100 is turned over under the action of the tension spring 801, so that the lock opening of the lock tongue 100 is in an unlocking state with the opening 901, after the unlocking is completed, the unlocking member 70 moves forwards along the connection pipe 90 through the resetting action of the tension spring 801, so that the lock block 802 is in.

The locking block 802 slides on a sliding device 903 arranged on two side walls of the connecting pipe 90, the sliding device 903 comprises two fixing blocks 903.1 which are symmetrically distributed up and down, a sliding limiting groove 903.2 for the locking block 802 to slide is formed between the two fixing blocks 903.1, and therefore the stability of the locking block 802 in the sliding process is higher.

On the other hand, as shown in fig. 26 and 27, the support backup plate 17 is fixed on the inner side of the seat back 7, that is, the support backup plate 17 faces the side of the infant sitting on the safety seat, and a ventilation cavity 400 is left between the support backup plate 17 and the seat back 7; a first vent hole 3001 is formed in the outer side face of the chair back 7, the first vent hole 3001 is a strip-shaped vent hole, so that the ventilation area can be enlarged, a plurality of second vent holes 2001 which are uniformly distributed are formed in the supporting backup plate 17, so that the ventilation area is enlarged, the processing and forming of the supporting backup plate 17 are facilitated, and the first vent hole 3001 is communicated with the second vent holes 2001 through a ventilation cavity 400, so that air circulation is facilitated; the ventilation mechanism is arranged on the chair back, so that the back ventilation of the safety chair can be realized, or the ventilation mechanism can be arranged on the supporting plate on the cushion, so that the base ventilation of the safety chair can be realized.

In order to make the air flow uniform, as shown in fig. 29, two first ventilation holes 3001 are provided on the seat back 7, and are symmetrically arranged on the left and right sides or the upper and lower sides of the outer side surface of the seat back 7, in general, the first ventilation holes 3001 are symmetrically arranged on the left and right sides of the outer side surface of the seat back 7, and since the seat back 7 of the safety seat has a long strip-shaped structure, the ventilation area can be increased and the ventilation effect can be improved, so that the comfort of children when riding is improved, and the discomfort caused by excessive sultry is avoided.

As shown in fig. 28, a plurality of air ducts 3002 are arranged at the corners of the seat back 7, and the air ducts 3002 are arranged in sequence, and ribs 3003 are arranged among the air ducts 3002, so that the strength of the corners of the seat back 7 can be enhanced by the ribs 3003, and the overall safety performance of the safety seat can be improved.

Air duct 3002 is the circulation of air that the corresponding arrangement realized with first ventilation hole 3001, and air duct 3002 link up with ventilation cavity 400 to make whole ventilation mechanism be the connected state, realize safety seat's ventilation.

The panel 500 is mounted at the first vent 3001, and the panel 500 is matched with the outer side surface of the chair back 7, so that the purpose is as follows: the processing of the chair back 7 can be convenient, and the aesthetic property of the chair back 7 can be realized at the same time.

As shown in fig. 26 and 27, a support plate 700 is installed below the headrest 18, and the support plate 700 is vertically movable in the ventilation cavity 400; a plurality of third ventilation holes 7001 which are arranged in sequence are arranged on the supporting plate 700, and the third ventilation holes 7001 and the first ventilation holes 3001 are distributed correspondingly. When the headrest 18 moves upwards, if the third ventilation hole 7001 is not formed in the support plate 700, the ventilation effect cannot be achieved at the end where the headrest 18 moves upwards, and therefore, the ventilation effect can still be achieved at the end surface when the headrest 18 moves upwards by forming the third ventilation hole 7001 in the support plate 700, so that the ventilation effect of the whole seat back 7 without dead angles is achieved.

As shown in fig. 26, a blowing device 800 capable of improving the ventilation effect is installed in the ventilation cavity 400, the blowing device 800 does not affect the up-and-down movement of the headrest 18, and the blowing device 800 is a fan or other electrical equipment with the same effect.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (10)

1. A child safety seat, comprising a base (100) for being fixedly connected to a car seat, characterized by further comprising: the seat comprises a seat body (101), wherein the seat body (101) is arranged above a base (100), the upper surface of the base (100) is an inclined surface, the height of the rear end of the base (100) is higher than that of the front end of the base, and the seat body (101) and the base (100) can relatively slide and be locked along the front-back direction so as to adjust the angle of the seat body (101); the both sides of seat body (101) slide and are equipped with flank (102), just width between flank (102) is adjustable, the top of seat body (101) is equipped with head rest (18), just head rest (18) can slide and lock from top to bottom for seat body (101) to realize the adjustment of head rest (18) height, the adjustment of flank (102) width and the adjustment of head rest (18) height are independent each other, and are not correlated with each other.

2. The child safety seat according to claim 1, wherein: base (100) on be equipped with first stopper (1), first stopper (1) on be equipped with a plurality of spacing grooves (1.1) along the fore-and-aft direction, the lower extreme of seat body (101) be equipped with spacing groove (1.1) complex spacing axle (2) and drive spacing axle (2) from spacing groove (1.1) third drive assembly (3) that break away from.

3. The child safety seat according to claim 2, wherein: the third driving assembly (3) comprises a warping plate (3.1), a fixed block (4) is arranged at the bottom of the seat body (101), one end of the warping plate (3.1) is hinged to the fixed block (4), and the limiting shaft (2) is assembled at the other end of the warping plate (3.1) along the horizontal direction; a first elastic piece (5) is connected between one end, far away from a hinge point, of the rocker (3.1) and the bottom of the seat body (101).

4. The child safety seat according to claim 1, wherein: a limiting assembly (105) used for locking the relative position between the side wing (102) and the chair back (7) is arranged between the side wing (102) and the chair back (7) of the chair body (101), and a first driving assembly (104) is arranged on the side wing (102) and used for driving the side wing (102) and the chair back (7) to be free of limiting, so that the side wing (102) and the chair back (7) can move relative to each other, and the width between the two side wings (102) can be adjusted.

5. The child safety seat according to claim 4, wherein: the side wings (102) comprise side wing bodies (102.1) and inserting plates (102.2) which are perpendicular to each other, slots (7.1) are respectively arranged on two sides of a bottom back plate of the chair back (7), and the inserting plates (102.2) are in sliding fit in the corresponding slots (7.1); the first driving component (104) is arranged on the flank body (102.1).

6. The child safety seat according to claim 4, wherein: the limiting assembly (105) comprises a second limiting block (105.1) horizontally arranged on the chair back (7) and a limiting shaft (105.2) vertically arranged on the side wing (102), and a plurality of limiting holes (105.1.1) are formed in the lower end of the second limiting block (105.1) along the horizontal direction; the first driving assembly (104) is used for driving the limiting shaft (105.2) to move and switch among the limiting holes (105.1.1), so that the width of the side wing (102) is adjusted.

7. The child safety seat according to claim 5, wherein: the first driving component (104) comprises a driving block (104.1) hinged on the outer side wall of the wing body (102.1), and one end, far away from the hinged point, of the driving block (104.1) is connected with a limiting shaft (105.2); the plug board (102.2) is provided with a sliding groove (102.2.1), one end, far away from the limiting hole (105.1.1), of the limiting shaft (105.2) is arranged in the sliding groove (102.2.1) in a sliding mode, and a second elastic element (6) is arranged between one end, far away from the second limiting block (105.1), of the limiting shaft (105.2) and the lower end wall of the sliding groove (102.2.1) to enable the limiting shaft (105.2) to always have the upward movement trend.

8. The child safety seat according to claim 1, wherein: the lower extreme of headrest (18) is equipped with headrest picture peg (120), the both sides of seat body (101) are equipped with a plurality of horizontal extension's lock position groove (121) along vertical direction, headrest picture peg (120) on correspond be equipped with lock position pole (122) and be used for driving about lock position pole (122) and lock position groove (121) locking or the second drive assembly who relieves.

9. The child safety seat according to claim 1, wherein: FIX components (20) are movably arranged on two sides below the base (100), an adjusting component (30) is arranged between the FIX components (20) and the base (100), the FIX components (20) are fixedly connected with the adjusting component (30) through connecting pieces (40), and the FIX components (20) are fixedly fixed with the base (100) in a sliding mode through the adjusting component (30); and a secondary lock mechanism (60) for preventing the FIX component (20) and an interface arranged on the automobile seat from loosening is arranged in the FIX component (20).

10. The child safety seat according to claim 9, wherein: the adjusting assembly (30) comprises a pulling slide block (301), a third limiting block (302), a slide block (303) and a lock pin (304), the third limiting block (302) is fixed on the base (100), and the slide block (303) is located at the side edge of the third limiting block (302) and is fixedly connected with the connecting piece (40); the pull sliding block (301) is located on the third limiting block (302) and matched with the third limiting block in a sliding mode, the lock pin (304) moves on a sliding groove (302.1) formed in the front end of the third limiting block (302), and the lock pin (304) and the lock hole (303.1) of the sliding block (303) are enabled to be locked or unlocked through movement of the pull sliding block (301).

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