CN216602216U - Armrest and seat - Google Patents

Abstract

The utility model discloses an armrest and a seat with the armrest, wherein the armrest comprises a mounting seat which is provided with a mounting cavity with an opening at the upper end; the lower end of the armrest component is slidably arranged in the mounting cavity, and the armrest component has a first position and a second position relative to the mounting seat; the connecting device is arranged between the mounting seat and the armrest component and is used for limiting the unidirectional sliding of the mounting seat relative to the armrest component; a clutch device disposed between the mount and the armrest assembly, the clutch device configured to disengage the coupling device in the first position and engage the coupling device in the second position. The height of the handrail is convenient to adjust.

Description

Armrest and seat

Technical Field

The utility model relates to the field of seats, in particular to an armrest and a seat.

Background

The handrail of seat is installed in the seat both sides usually, the effect of handrail is supported the hand, improve user's comfort level, the high majority of handrail of the chair on the market is according to adult's average height and goes the design at present, can't carry out altitude mixture control after dispatching from the factory, the handrail of fixed height is difficult to satisfy the demand of the people of different heights, for this reason, also have partial height-adjustable's handrail on the market, current regulation structure generally adopts jackscrew locking mode, need adjust the indentation screw in order to reach the purpose of adjusting the handrail height, the operation is comparatively loaded down with trivial details, bring inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an armrest and a seat, which are convenient for adjusting the height of the armrest.

In a first aspect, some of the present embodiments provide an armrest comprising: the mounting seat is provided with a mounting cavity with an opening at the upper end; the lower end of the armrest component is slidably mounted in the mounting cavity, and the armrest component has a first position and a second position relative to the mounting seat; the connecting device is arranged between the mounting seat and the armrest component and is used for limiting the unidirectional sliding of the mounting seat relative to the armrest component; a clutch device disposed between the mount and the armrest assembly, the clutch device configured to disengage the coupling device in the first position and engage the coupling device in the second position.

When the connecting device is combined, the handrail component slides in one direction, and when the connecting device is separated, the one-way sliding between the handrail component and the mounting seat is released. When the handrail component is combined with the connecting device, the unidirectional sliding direction is from the second position to the first position. The handrail assembly is pulled to adjust the height of the handrail in a one-way mode, if the height of the handrail assembly needs to be reset, the handrail assembly is pulled to the first position, the clutch device enables the connecting device to be separated, one-way sliding between the handrail assembly and the mounting seat is relieved, therefore, the handrail assembly can move from the first position to the second position, after the handrail assembly reaches the second position, the clutch device enables the connecting device to be combined, and the handrail is reset; the height of the handrail can be adjusted by pulling the handrail component by a user, and the operation is simple and convenient.

According to some embodiments of the present invention, the connecting device includes a limiting member, an elastic member and a limiting structure, the limiting member is rotatably disposed on the armrest assembly, the limiting structure is disposed in the installation cavity, the elastic member is connected to the limiting member and the armrest assembly, the elastic member is configured to keep the limiting member and the limiting structure combined, and the clutch device drives the limiting member to rotate to separate the limiting member from the limiting structure.

According to some embodiments of the present invention, the limiting member is provided with at least one latch, the limiting structure includes at least two slots, and the slots and the latches can limit the unidirectional sliding of the two after being matched.

According to some embodiments of the utility model, the lower side surface of the slot is horizontal, the upper side surface of the slot is inclined, and the latch is matched with the slot.

According to some embodiments of the present invention, the clutch device includes a sliding member slidably disposed on the armrest assembly and a driving structure disposed on the mounting seat, and an inclined surface is disposed at an end of the limiting member facing the sliding member, and the sliding member is engaged with the inclined surface.

According to some embodiments of the utility model, the driving structure includes a groove disposed on a side wall of the mounting cavity, the sliding member is provided with a boss, a portion of the boss is located in the groove, the boss cooperates with an upper side wall of the groove to drive the sliding member to move downwards when the armrest assembly is located at the first position, and the boss cooperates with a lower side wall of the groove to drive the sliding member to move upwards when the armrest assembly is located at the second position.

According to some embodiments of the utility model, the armrest assembly comprises an armrest base provided with a fixed structure, an armrest base coupled to the fixed structure, and a translating base slidably coupled to the armrest base.

According to some embodiments of the utility model, the armrest assembly further comprises a lateral base coupled to the fixed structure, the translating base being laterally slidably coupled to the lateral base.

According to some embodiments of the utility model, the armrest assembly further comprises a swivel base secured to the fixed structure, the lateral base being pivotally connected to the swivel base.

In a second aspect, some embodiments of the present invention provide a seat, comprising: an armrest as claimed in the first aspect above.

The seat with the armrest in the first aspect can adjust the height of the armrest according to the self requirement of a user, the adjusting step is simple and convenient, and the comfort level of the user is improved to bring good experience to the seat user.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of an armrest according to an embodiment of the utility model;

FIG. 2 is a schematic view of the inside of the armrest according to the embodiment of the utility model;

figure 3 is an exploded view of the interior of the handrail shown in figure 2, expanded;

FIG. 4 is an exploded view of a handrail assembly of an embodiment of the present invention;

fig. 5 is a schematic view of a mounting base according to an embodiment of the utility model.

The armrest comprises a mounting seat 100, a mounting cavity 110, an armrest assembly 200, an armrest base 210, a fixing structure 211, an armrest base 220, a bottom shell 221, an upper shell 222, a first groove 223, a translation base 230, a second groove 231, a lateral base 240, a third groove 241, a rotation base 250, a connecting device 300, a limiting member 310, a latch 311, a slope 312, an elastic member 320, a limiting structure 330, a slot 331, a lower side 332, an upper side 333, a clutch device 400, a slider 410, a boss 411, a driving structure 420, an upper side 421 and a lower side 422.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In a first aspect, some of the embodiments of the present invention provide an armrest, as shown in fig. 1, including: the handrail assembly comprises a mounting seat 100, a handrail assembly 200, a connecting device 300 and a clutch device 400, wherein the mounting seat 100 is provided with a mounting cavity 110 with an opening at the upper end; an armrest assembly 200, the lower end of which is slidably mounted in the mounting cavity 110, wherein the armrest assembly 200 has a first position and a second position relative to the mounting seat 100, and the first position is higher than the second position when the chair is in a use state; the connecting device 300 is arranged between the mounting seat 100 and the armrest assembly 200, and the connecting device 300 is used for limiting the unidirectional sliding of the mounting seat 100 relative to the armrest assembly 200; and a clutch means 400 provided between the mount 100 and the armrest assembly 200, the clutch means 400 being used to separate the coupling means 300 in the first position and couple the coupling means 300 in the second position.

The armrest assembly 200 is used for placing a user's hand, and if the armrest assembly 200 is arbitrarily slid in the mounting cavity 110, although the position of the armrest assembly 200 can be arbitrarily adjusted, when the user places both hands, the armrest assembly 200 is forced to slide, and it is difficult to maintain the adjusted position, so that it is necessary to limit the armrest assembly 200 from sliding in one direction.

The coupling device 300 is coupled to the handle assembly 200 to slide in one direction, and when the coupling device 300 is separated, the handle assembly 200 is released from sliding in one direction. The direction of the one-way sliding of the armrest assembly 200 when the connecting device 300 is combined is from the second position to the first position. The height of the handrail can be adjusted in one way by pulling the handrail assembly 200, if the height of the handrail needs to be reset, the handrail assembly 200 is pulled to the first position, the clutch device 400 enables the connecting device 300 to be separated, the handrail assembly 200 moves from the first position to the second position, the handrail assembly 200 moves to the second position, the clutch device 400 enables the connecting device 300 to be combined, and the handrail is reset. The user can adjust the height of the handrail by pulling the handrail assembly 200, and the operation is simple.

According to some embodiments of the present invention, the connection device 300 includes a limiting member 310, an elastic member 320, and a limiting structure 330, the limiting member 310 is rotatably disposed on the armrest assembly 200, the limiting structure 330 is disposed in the mounting cavity 110, the elastic member 320 is connected to the limiting member 310 and the armrest assembly 200, the elastic member 320 is used for keeping the limiting member 310 and the limiting structure 330 combined, and the clutch device 400 drives the limiting member 310 to rotate to separate the limiting member 310 from the limiting structure 330. The limiting member 310 can rotate relative to the armrest assembly 200 and cannot slide relative to the armrest assembly 200, when the limiting member 310 is combined with the limiting structure 330, the limiting member 310 slides in a single direction, so that the armrest assembly 200 slides in a single direction, the armrest assembly 200 slides in a single direction to the first position, the clutch device 400 drives the limiting member 310 to rotate, the limiting member 310 is separated from the limiting structure 330, the armrest assembly 200 releases the single-direction sliding and can move from the first position to the second position, the armrest assembly 200 reaches the second position, the clutch device 400 is separated from the limiting member 310, the limiting member 310 rotates under the action of the elastic member 320 to be combined with the limiting structure 330, the armrest assembly 200 is limited from sliding in a single direction, and the elastic member 320 can be a spring, a torsion spring, or the like.

According to some embodiments of the present invention, the limiting member 310 is provided with at least one latch 311, the limiting structure 330 includes at least two slots 331, and the slots 331 and the latch 311 can limit the unidirectional sliding of the two after being engaged. After the latch 311 of the limiting member 310 is engaged with the slot 331 of the limiting structure 330, the latch 311 can only slide along the slot 331 in one direction, and when the latch 311 slides in the opposite direction, the slot 331 locks the latch 311 to limit the limiting member 310 from moving in the opposite direction. When the limiting member 310 is provided with one latch 311, when a single latch 311 cooperates with the slot 331 to limit the reverse movement of the limiting member 310, the cooperation may be unstable, and the force that one latch 311 can bear is relatively low, which affects the limiting effect of the limiting structure 330 on the limiting member 310, when the limiting member 310 is provided with a plurality of latches 311, the plurality of latches 311 are blocked by the cooperating slot 331, different latches 310 can provide forces in various directions to limit the movement of the limiting member 310, the cooperation of the latch 311 and the slot 331 is relatively stable, the force that the plurality of latches 311 can bear is relatively large, and the limiting effect of the limiting structure 330 on the limiting member 310 is relatively good.

According to some embodiments of the present invention, the lower side 332 of the card slot 331 is horizontal, the upper side 333 of the card slot 331 is inclined, and the latch 311 is adapted to the card slot 331. When the latch 311 is engaged with the slot 331, when the latch 311 slides along the slot 331 in a single direction, the latch 311 slides along the upper side 333 of the slot 331, and when the latch 311 moves in the reverse direction, the latch 311 contacts the horizontal lower side 332 of the slot 331, and the reverse movement of the latch 311 cannot be completed. The lower side of the clamping groove 331 can also be inclined upwards, when the latch 311 moves reversely, the latch 311 is blocked by the lower side 332 inclined upwards of the clamping groove 331, and the reverse movement of the latch 311 cannot be completed.

According to some embodiments of the present invention, the clutch device 400 includes a sliding member 410 and a driving structure 420, the sliding member 410 is slidably disposed on the armrest assembly 200, the driving structure 420 is disposed on the mounting seat 100, an inclined surface 312 is disposed at an end of the limiting member 310 facing the sliding member 410, and the sliding member 410 is engaged with the inclined surface 312. As shown in fig. 1, 2 and 3, the sliding member 410 is disposed on the armrest assembly 200 and can move relative to the armrest assembly 200, when the armrest assembly 200 is not at the first position or the second position, the sliding member 410 does not move relative to the armrest assembly 200, when the armrest assembly 200 is at the first position or the second position, the armrest assembly 200 moves relative to the sliding member 410, when the armrest assembly 200 is at the first position, the sliding member 410 moves downward relative to the armrest assembly 200, because the limiting member 310 does not slide relative to the armrest assembly 200, the sliding member 410 contacts the limiting member 310 when moving downward, the inclined surface 312 is disposed on the limiting member 310, when the sliding member 410 moves downward, the limiting member 310 rotates, when the armrest assembly 200 moves to the second position, the sliding member 410 moves upward relative to the armrest assembly 200, the sliding member 410 is separated from contact with the limiting member 310, and the limiting member 310 rotates under the action of the elastic member 320, the position-limiting member 310 is re-engaged with the position-limiting structure 330.

According to some embodiments of the present invention, as shown in fig. 1 and 5, the driving structure 420 includes a groove disposed on a side wall of the mounting cavity 110, the slider 410 is provided with a boss 411, a portion of the boss 411 is located in the groove, when the handle assembly 200 is located at the first position, the boss 411 is engaged with an upper side wall 421 of the groove to drive the slider 410 to move downwards, and when the handle assembly 200 is located at the second position, the boss 411 is engaged with a lower side wall 422 of the groove to drive the slider 410 to move upwards. The projection 411 of the sliding member 410 is located in the groove, when the armrest assembly 200 and the sliding member 410 move to the first position, the projection 411 is engaged with the upper sidewall 421 of the groove, and when the armrest assembly 200 continues to move upward, the projection 411 is limited by the groove, and the sliding member 410 cannot move simultaneously with the armrest assembly 200 and is displaced downward relative to the armrest assembly 200. When the armrest assembly 200 is in the second position, the protrusion 411 is engaged with the lower sidewall 422, and when the armrest assembly 200 continues to move downward, the protrusion 411 is restricted from moving by the groove, the slider 410 cannot move simultaneously with the armrest assembly 200, the slider 410 moves upward relative to the armrest assembly 200, and the slider 410 is separated from the stopper 310. It should be noted that stops may also be provided at the first and second positions of the groove, which stops cooperate with the protrusion 411 to allow relative movement of the slider 410 and the armrest assembly 200. the advantage of providing stops at the first and second positions of the groove is that the stops replace the function of the upper and lower sidewalls 421 and 422 to allow relative movement of the slider 410 and the armrest assembly 200.

According to some embodiments of the present invention, as shown in fig. 4, the armrest assembly 200 includes an armrest base 210, an armrest base 220, and a translation base 230, wherein the armrest base 210 is provided with a fixing structure 211, the translation base 230 is connected with the fixing structure 211, and the translation base 230 is slidably connected with the armrest base 220. The armrest base 220 includes a bottom shell 221 and an upper shell 222, wherein a first groove 223 is formed in the bottom shell 221, the width of the first groove 223 is substantially the same as that of the translation base 230, and the length of the first groove 223 is greater than that of the translation base 230, so that the translation base 230 slides in the first groove 223 along the length direction. When the user adjusts the front and rear positions of the armrest, the armrest assembly 200 is pushed in the front and rear direction, the translation base 230 cannot move forward and backward, and the armrest base 220 slides forward and backward relative to the translation base 230, so that the function of adjusting the front and rear positions of the armrest assembly 200 is realized.

According to some embodiments of the present invention, as shown in fig. 4, the armrest assembly further includes a lateral base 240, the lateral base 240 being coupled to the fixed structure 211, and the translating base 230 being laterally slidably coupled to the lateral base 240. A second groove 231 is formed in the translation base 230, the length of the second groove 231 is substantially the same as that of the lateral base 240, and the width of the second groove 231 is greater than that of the lateral base 240, so that the lateral base 240 can slide laterally in the width direction in the second groove 231. Lateral sliding cannot be generated between the armrest base 220 and the translation base 230, a user pushes the armrest assembly 200 laterally, lateral movement cannot be generated, the translation base 230 slides laterally relative to the lateral base 240, relative sliding cannot be generated between the armrest base 220 and the translation base 230, and the armrest base 220 also slides laterally relative to the translation base 230, so that the function of adjusting the lateral position of the armrest assembly 200 is realized.

According to some embodiments of the present invention, as shown in fig. 4, the armrest assembly further includes a rotating base 250, the rotating base 250 is fixed to the fixing structure 211, and the lateral base 240 is rotatably coupled to the rotating base 250. The lateral base 240 is provided with a third groove 241, and the third groove 241 is larger in size than the rotating base 250 so that the rotating base 250 rotates in the third groove 241. When a user needs to rotate the armrest, the armrest is rotated, the rotating base 250 is fixed, the translation base 230 and the lateral base 240 cannot rotate relative to each other, the armrest base 220 and the translation base 230 cannot rotate relative to each other, the lateral base 240 rotates relative to the rotating base 250, and the armrest base 220 also rotates relative to the rotating base 250, so that the function of adjusting the direction of the armrest assembly 200 is realized.

In a second aspect, some embodiments of the utility model provide a seat comprising: an armrest as in the first aspect above.

The seat with the armrest of the first aspect can adjust the height of the armrest according to the self requirement of a user, the adjusting step is simple and convenient, and the comfort level of the user is improved, so that good experience is brought to the seat user.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. An armrest, comprising:

the mounting seat (100) is provided with a mounting cavity (110) with an opening at the upper end;

an armrest assembly (200) slidably mounted at a lower end to the mounting cavity (110), the armrest assembly (200) having a first position and a second position relative to the mounting seat (100);

the connecting device (300) is arranged between the mounting seat (100) and the armrest assembly (200), and the connecting device (300) is used for limiting the unidirectional sliding of the mounting seat (100) relative to the armrest assembly (200);

a clutch device (400) disposed between the mount (100) and the armrest assembly (200), the clutch device (400) for disengaging the coupling device (300) in the first position and engaging the coupling device (300) in the second position.

2. The armrest according to claim 1, wherein the connecting device (300) includes a limiting member (310), an elastic member (320), and a limiting structure (330), the limiting member (310) is rotatably disposed on the armrest assembly (200), the limiting structure (330) is disposed in the mounting cavity (110), the elastic member (320) is connected to the limiting member (310) and the armrest assembly (200), the elastic member (320) is configured to maintain the limiting member (310) coupled to the limiting structure (330), and the clutch device (400) drives the limiting member (310) to rotate to separate the limiting member (310) from the limiting structure (330).

3. The armrest according to claim 2, wherein the limiting member (310) is provided with at least one latch (311), the limiting structure (330) comprises at least two engaging slots (331), and the engaging slots (331) and the latch (311) are capable of limiting the unidirectional sliding movement of the two after being engaged.

4. An armrest as claimed in claim 3, characterized in that the lower side (332) of the catch (331) is horizontal, the upper side (333) of the catch (331) is inclined, and the latch (311) is adapted to the catch (331).

5. The armrest according to claim 2, wherein the clutch device (400) comprises a sliding member (410) and a driving structure (420), the sliding member (410) is slidably disposed on the armrest assembly (200), the driving structure (420) is disposed on the mounting base (100), an end of the limiting member (310) facing the sliding member (410) is provided with a slope (312), and the sliding member (410) is engaged with the slope (312).

6. The armrest of claim 5, wherein the drive structure (420) comprises a groove disposed on a side wall of the mounting cavity (110), the slider (410) is provided with a boss (411), a portion of the boss (411) is located in the groove, the boss (411) cooperates with an upper side wall (421) of the groove to drive the slider (410) to move downward when the armrest assembly (200) is in the first position, and the boss (411) cooperates with a lower side wall (422) of the groove to drive the slider (410) to move upward when the armrest assembly (200) is in the second position.

7. The armrest as claimed in claim 1, characterized in that the armrest assembly (200) comprises an armrest base (210), an armrest base (220), a translation base (230), wherein the armrest base (210) is provided with a fixed structure (211), the translation base (230) is connected with the fixed structure (211), and the translation base (230) is slidably connected with the armrest base (220).

8. The armrest of claim 7, further comprising a lateral base (240), wherein the lateral base (240) is connected to the fixed structure (211), and wherein the translating base (230) is laterally slidably connected to the lateral base (240).

9. The armrest of claim 8, further comprising a swivel base (250), the swivel base (250) being fixed to the fixed structure (211), the lateral base (240) being pivotally connected to the swivel base (250).

10. A seat, comprising: an armrest according to any one of claims 1 to 9.

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