CN111559284B

CN111559284B - Seat and vehicle

Info

Publication number: CN111559284B
Application number: CN202010358321.4A
Authority: CN
Inventors: 杨纪慈; 焦旎; 张寅�; 赵鹏; 杜嘉璘; 徐倩
Original assignee: Yanfeng Automotive Trim Systems Co Ltd
Current assignee: Yanfeng Automotive Trim Systems Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2022-08-02
Anticipated expiration: 2040-04-29
Also published as: CN111559284A

Abstract

The invention discloses a seat and a vehicle, and belongs to the technical field of vehicle seats. The seat comprises a cushion assembly and a base assembly, wherein the cushion assembly is connected to the front end of the base assembly, the cushion assembly is arranged to rotate around the front end of the base assembly to a first position and then fixedly connected with the base assembly, and the cushion assembly is used for carrying objects when located at the first position; the cushion assembly is also arranged to rotate around the front end of the base assembly to a second position and then is fixedly connected with the base assembly; an accommodating cavity is formed between the cushion assembly and the base assembly when the cushion assembly is at the second position. The chair disclosed by the invention is used as a seat on one hand, and is used as a pedal of a rear row user when the chair is idle on the other hand, so that resources are fully utilized; when the utility model is used as a pedal, the comfort of the user is improved.

Description

Seat and vehicle

Technical Field

The invention relates to the technical field of vehicle seats, in particular to a seat and a vehicle.

Background

In the prior art, the seat is a functional seat. Some occasions have the demand of setting up multirow seat, and mutual independence between each seat, the front seat is idle, and when the back row seat was used, the front seat can not provide some demands for the user of back row seat. When the front seat is a child seat, the child seat in the front row is idle for a long time due to relatively low utilization rate of the child seat, and resources cannot be reasonably applied.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned drawbacks of the prior art, and provides a seat and a vehicle.

The invention solves the technical problems through the following technical scheme:

a seat comprises a cushion assembly and a base assembly, and is characterized in that the cushion assembly is connected with the front end of the base assembly; the cushion assembly is arranged to rotate around the front end of the base assembly to a first position and then fixedly connected with the base assembly, and the cushion assembly is used for carrying a cargo when in the first position; the cushion assembly is further arranged to rotate to a second position around the front end of the base assembly and then fixedly connected with the base assembly, and an accommodating cavity is formed between the cushion assembly and the base assembly when the cushion assembly is in the second position.

Preferably, the seat further comprises a cushion rotational drive assembly for driving the cushion assembly to rotate about the front end of the base assembly.

Preferably, the cushion rotation drive assembly comprises a cushion drive part and a worm gear part which are both connected to the base assembly; the cushion drive part drives the worm gear part, the output end of the worm gear part outputs rotary motion, and the output end of the worm gear part is fixedly connected with the cushion assembly.

Preferably, the worm gear and worm part comprises a worm gear component and a worm component which are both arranged on the base assembly, two ends of the worm component are respectively connected with the cushion driving part and the worm gear component, and the worm gear component drives the cushion assembly to rotate.

Preferably, the worm assembly comprises a mounting seat, a worm and an axial limit piece; the mounting seat is fixedly connected to the base assembly; the worm is used for being meshed with the worm wheel assembly and is in rotating connection with the mounting seat; one end of the worm is connected with the cushion driving part, and the other end of the worm is fixedly connected to the axial limiting part on the base assembly for axial limiting.

Preferably, the worm gear assembly comprises a worm gear and a profiled bar; the worm wheel is used for meshing with the worm assembly; the special-shaped rod is fixedly connected with the worm wheel and is rotationally connected with the base assembly; one end of the special-shaped rod is fixedly connected with the cushion assembly.

Preferably, the worm part further includes a first limiting member and two second limiting members, the first limiting member is fixedly connected to the worm wheel assembly, the two second limiting members are fixedly connected to the base assembly at intervals, when the cushion assembly rotates to the first position, the first limiting member and one of the second limiting members are mutually limited to stop the cushion assembly from continuing to rotate, and when the cushion assembly rotates to the second position, the first limiting member and the other of the second limiting members are mutually limited to stop the cushion assembly from continuing to rotate.

Preferably, the base assembly comprises:

the cushion rotary driving assembly is fixedly connected to the upper support;

the lower support is positioned below the upper support; and

the two ends of the lifting component are respectively connected with the upper support and the lower support, and the lifting component is used for driving the upper support to ascend and descend relative to the lower support.

Preferably, the upper support comprises two oppositely arranged side mounting pieces, and at least one side mounting piece is fixed with the cushion rotary driving assembly;

the lifting component comprises two lifting components and a lifting driving component, the lifting components are connected with the side mounting pieces in a one-to-one correspondence mode, and the lifting driving component drives the lifting components to control the upper support to ascend and descend relative to the lower support.

Preferably, the lift assembly comprises an X-arm comprising:

the upper end of the driving arm is rotatably connected with the side mounting piece, and the lower end of the driving arm is connected with the lower support in a sliding manner; the lifting driving assembly drives the two driving arms to synchronously slide relative to the lower support; and the combination of (a) and (b),

the driven arm is rotatably connected with the driving arm and is arranged in a crossed manner; the upper end of the driven arm is connected with the side mounting piece in a sliding mode, and the lower end of the driven arm is connected with the lower support in a rotating mode.

Preferably, the lifting assembly further comprises a first guide member, a first guide groove is formed in the lower support, and the first guide member penetrates through the first guide groove and is connected with the active arm; when the lifting driving assembly drives the driving arm, the first guide piece slides or rolls along the direction guided by the first guide groove; and/or the presence of a gas in the gas,

the lifting assembly further comprises a second guide piece, a second guide groove is formed in the side mounting piece, and the second guide piece penetrates through the second guide groove and is in rotating connection with the driven arm; when the lifting driving assembly drives the driving arm, the second guide piece slides or rolls along the direction guided by the second guide groove.

Preferably, the lifting assembly further comprises a third guide member, a third guide groove is formed in the side mounting member, and the third guide member penetrates through the third guide groove and is rotatably connected with the upper portion of the active arm; in the process of moving the active arm, the third guide piece slides or rolls along the third guide groove; and/or the presence of a gas in the gas,

the lifting assembly further comprises a fourth guide piece, a fourth guide groove is formed in the lower support, and the fourth guide piece penetrates through the fourth guide groove and is rotatably connected with the lower portion of the driven arm; and during the motion of the driven arm, the fourth guide piece slides or rolls along the fourth guide groove.

Preferably, the upper part of the active arm comprises a first arm segment, and the first arm segment is attached to the side mounting piece; and/or the presence of a gas in the gas,

the lower part of the driven arm comprises a second arm section, and the second arm section is attached to the lower support.

Preferably, the lifting assembly further comprises a first connecting plate, and two sides of the first connecting plate are respectively and fixedly connected with the two driving arms; and/or the presence of a gas in the gas,

the lifting assembly further comprises a second connecting plate, and two sides of the second connecting plate are fixedly connected with the two driven arms respectively.

Preferably, the lifting driving assembly comprises a synchronizing rod group and a lifting driving piece, two ends of the synchronizing rod group are fixedly connected with the two driving arms respectively, and the lifting driving piece drives the synchronizing rod group to slide relative to the lower support.

Preferably, the lifting driving assembly further comprises a linear sliding mechanism, the linear sliding mechanism comprises a sliding block and a sliding rail, the sliding block is connected with the sliding rail in a sliding mode, the sliding rail is fixedly connected with the lower support, and the sliding block is fixedly connected with the synchronizing rod group.

Preferably, the lifting driving assembly is provided with two linear sliding mechanisms which are symmetrically arranged at two sides of the lifting driving piece;

the synchronous rod group comprises a first connecting shaft, a first sleeve, a second sleeve and a fixing seat, two ends of the first connecting shaft are fixedly connected with two sliders respectively, the first sleeve and the second sleeve are sleeved on the first connecting shaft respectively, one end of the first sleeve is abutted to the corresponding side of the first connecting shaft, the other end of the first sleeve is inserted into and fixed to one end of the fixing seat, one end of the second sleeve is abutted to the corresponding side of the second connecting shaft, the other end of the second sleeve is inserted into and fixed to the other end of the fixing seat, and the output end of the lifting driving piece is fixedly connected with the fixing seat.

Preferably, the seat further comprises a backrest assembly connected to a rear end of the seat cushion assembly; the backrest assembly is configured to be reclined when deployed to a third position relative to the seat cushion assembly, and the backrest assembly is further configured to be fixedly coupled to the seat cushion assembly when stowed to a fourth position relative to the seat cushion assembly.

Preferably, the seat cushion assembly comprises:

the front end of the cushion framework is connected with the base assembly, and the rear end of the cushion framework is connected with the backrest assembly;

the backrest driving unit is fixedly connected to the seat cushion framework; and the combination of (a) and (b),

the input end of the angle adjuster is fixedly connected with the backrest driving element, and the output end of the angle adjuster is fixedly connected with the backrest assembly.

Preferably, the backrest rotation assembly further comprises a profiled shaft; the two opposite sides of the cushion assembly are respectively provided with one angle adjuster, and the two angle adjusters are fixedly connected with the two ends of the special-shaped shaft in a one-to-one correspondence manner; the backrest driving element controls the synchronous action of the two angle adjusters by driving the special-shaped shaft.

Preferably, the backrest assembly comprises a backrest framework and a headrest framework, and the headrest framework is detachably connected with the upper end of the backrest framework; the backrest framework is arranged to rotate to a third position relative to the seat cushion assembly and then fixedly connected with the seat cushion assembly, and the backrest framework is also arranged to rotate to a fourth position relative to the seat cushion assembly and then fixedly connected with the seat cushion assembly.

A vehicle characterised by comprising a seat as claimed in any preceding claim.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

the chair is used as a seat on one hand, and is used as a pedal of a rear row user when the chair is idle on the other hand, so that resources are fully utilized; when the utility model is used as a pedal, the comfort of the user is improved.

Drawings

FIG. 1 is a schematic view of a seat according to an embodiment of the present invention;

FIG. 2 is a schematic view of a seat according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a base assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of a cushion rotation drive assembly according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a cushion rotation drive assembly in accordance with one embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a worm gear assembly according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a worm gear member of an embodiment of the present invention;

FIG. 8 is a schematic view of a worm gear assembly according to an embodiment of the present invention;

FIG. 9 is a sectional view taken along line A-A of FIG. 8;

FIG. 10 is a schematic view of a worm gear assembly according to an embodiment of the present invention;

FIG. 11 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 12 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 13 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 14 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 15 is a schematic structural diagram of a base assembly according to an embodiment of the present invention;

FIG. 16 is a side view of a base assembly in accordance with one embodiment of the present invention;

FIG. 17 is a schematic structural diagram of the active arm and the first link plate according to an embodiment of the present invention;

FIG. 18 is a partial exploded view of a lift drive assembly in accordance with one embodiment of the present invention;

FIG. 19 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 20 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 21 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 22 is a schematic view of a seat constructed in accordance with an embodiment of the present invention;

FIG. 23 is an exploded view of a seat cushion assembly in accordance with one embodiment of the present invention;

fig. 24 is an exploded view of a backrest assembly in accordance with an embodiment of the present invention.

Description of reference numerals:

cushion assembly 1

First position 11

Second position 12

Accommodating chamber 13

Cushion frame 14

Backrest drive element 15

Angle adjuster 16

Special-shaped shaft 17

Base assembly 2

Upper support 21

Side mounting piece 211

Second guide groove 2111

Third guide groove 2112

Support plate 212

Lower support 22

First guide groove 221

Fourth guide groove 222

Lifting element 23

Lift assembly 231

X-shaped arm 2311

Driving arm 23111

Driven arm 23112

Second arm segment 231121

First guide 2322

Second guide 2323

Third guide 2324

Fourth guide 2325

Lift drive assembly 232

Synchronizing bar group 2321

First connecting shaft 23211

First sleeve 23212

Second sleeve 23213

Fixing seat 23214

Securing plate 232141

Second connecting shaft 23215

Lift drive 2322

Linear sliding mechanism 2323

Slider 23231

Sliding rail 23232

First connection plate 233

Cushion rotary drive assembly 3

Cushion drive member 31

Worm gear part 32

Output 321 of worm gear member

First direction 322

Second direction 323

Worm gear assembly 33

Worm wheel 331

Special-shaped rod 332

End 3321 of profiled bar

Worm assembly 34

Worm 341

Mounting seat 342

First passageway 3421

Second passageway 3422

First seat 3423

Axial stop 343

First limiting member 35

Second position limiting member 36

Mounting base 4

Backrest assembly 5

Backrest frame 51

Headrest framework 52

Detailed Description

The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the examples described below.

The embodiment of the invention provides a seat which is applied to any scene of vehicles, airplanes, ships, families, markets and the like. The seat of the embodiment can be made into different models in practical application so as to adapt to children and adults.

Referring to fig. 1-2, a seat of the embodiment of the invention includes a seat cushion assembly 1 and a base assembly 2, the seat cushion assembly 1 is connected to a front end of the base assembly 2, the seat cushion assembly 1 is configured to rotate around the front end of the base assembly 2 to a first position 11 and then is fixedly connected to the base assembly 2, and the seat cushion assembly 1 is used for carrying a cargo when located at the first position 11; the cushion assembly 1 is also arranged to rotate around the front end of the base assembly 2 to a second position 12 and then is fixedly connected with the base assembly 2; when the cushion assembly 1 is in the second position 12, a receiving cavity 13 is formed between the cushion assembly 1 and the base assembly 2.

Wherein the seat cushion assembly 1 is at least used for carrying objects, the base assembly 2 is at least used for supporting the seat cushion assembly 1, the base assembly 2 is arranged on an external installation base 4, the installation base 4 is explained as a part of the application scene of the seat, for example, the installation base 4 is a part of vehicles, airplanes, ships, families and markets.

The front end of the cushion assembly 1 and the front end of the base assembly 2 are in a rotary connection and a mutual limiting two-layer connection relationship. Wherein, the rotation connection relationship realizes the reciprocating rotation of the seat cushion assembly 1 between the first position 11 and the second position 12 relative to the base assembly 2, in this embodiment, the first position 11 and the second position 12 are two extreme positions of the seat cushion assembly 1, fig. 1 illustrates the second position 12 with a dotted line, and illustrates the rotation direction of the seat cushion assembly 1 from the second position 12 to the first position 11 through an arc line containing an arrow, fig. 2 illustrates the first position 11 with a dotted line, and illustrates the rotation direction of the seat cushion assembly 1 from the first position 11 to the second position 12 through an arc line containing an arrow; the spacing connection between the two members is such that the seat cushion assembly 1 remains stationary relative to the base assembly 2 in the first position 11 and relative to the base assembly 2 in the second position 12. The seat cushion assembly 1 and the base assembly 2 have two positions that remain relatively stationary in this embodiment, although in other embodiments the seat cushion assembly 1 and the base assembly 2 may alternatively have more positions that remain relatively stationary.

By adjusting the seat cushion assembly 1 and the base assembly 2 to different relative position relationships, the seat of the present embodiment at least achieves two functions: when the seat cushion assembly 1 is located at the first position 11, the seat realizes the function of carrying cargo, and the cargo at the position is a broad concept and comprises a manned person; when cushion assembly 1 was located second position 12, cushion assembly 1 and base assembly 2 realized the function that temporarily held in holding chamber 13 department, and the function that should temporarily hold includes at least pedal, promptly, the back row user puts both feet in holding chamber 13, holds chamber 13 and provides the space of putting both feet for the user of back row, so, no matter the back row user is the position of sitting or the appearance of lying, has all obtained more excellent travelling comfort, and the amusement of seat can promote. Indeed, the receiving chamber 13 may also be used to receive other items.

As can be seen from the above, the chair according to the embodiment of the present invention is used as a seat, and is used as a pedal for a rear user when the chair is not in use, so that resources are fully utilized; when the utility model is used as a pedal, the comfort of the user is improved.

Referring to fig. 3, the seat of the embodiment of the present invention further includes a cushion rotation driving assembly 3, and the cushion rotation driving assembly 3 is used for driving the cushion assembly 1 to rotate around the front end of the base assembly 2.

Preferably, the cushion rotation driving assembly 3 is mounted on the base assembly 2, and the cushion rotation driving assembly 3 outputs rotation motion and drives the cushion assembly 1 to rotate. Indeed, in other embodiments, the cushion rotational drive assembly 3 may alternatively drive the cushion assembly 1 to rotate relative to the base assembly 2 by outputting a linear motion.

Referring to fig. 3-4, the cushion rotation driving assembly 3 includes a cushion driving member 31 and a worm gear member 32 both fixedly connected to the base assembly 2; the cushion driving part 31 drives the worm gear part 32, the output end 321 of the worm gear part outputs rotary motion, and the output end 321 of the worm gear part is fixedly connected with the cushion assembly 1, so that the cushion assembly 1 is driven to rotate.

Wherein the cushion driving member 31 outputs a rotational movement around the first direction 322, preferably the power element of the cushion driving member 31 is a motor, which is fixed to the base assembly 2.

The worm gear 32 is fixed to the base assembly 2, and the worm gear 32 converts the rotational motion output by the cushion driving member 31 in a first direction 322 into a rotational motion in a second direction 323, wherein the first direction 322 and the second direction 323 are perpendicular to each other.

The present embodiment realizes the rotation relationship between the seat cushion assembly 1 and the base assembly 2 based on the worm and gear transmission principle, and indeed, in other embodiments, the seat cushion rotation driving assembly 3 may also be realized by means different from the present embodiment, as long as the seat cushion assembly 1 can be driven to rotate between the first position 11 and the second position 12 relative to the base assembly 2, which is within the protection scope of the present invention.

Referring to fig. 4-5, the worm gear 32 includes a worm gear component 33 and a worm gear component 34 both disposed on the base assembly 2, two ends of the worm gear component 34 are respectively connected with the cushion driving component 31 and the worm gear component 33, and the worm gear component 33 drives the cushion assembly 1 to rotate.

The cushion driving part 31 drives the worm component 34 to rotate around the first direction 322, the worm component 34 drives the worm wheel component 33 to rotate around the second direction 323, and the output end of the worm wheel component 33 is fixedly connected with the cushion assembly 1, so as to drive the cushion assembly 1 to rotate.

Referring to fig. 6-9, the worm assembly 34 includes a worm 341, a mounting seat 342, and an axial limiting member 343; the mounting seat 342 is fixedly connected to the base assembly 2, and the worm 341 is rotatably connected with the mounting seat 342; one end of the worm 341 is connected to the cushion driving member 31, and the other end of the worm 341 is axially limited by an axial limiting member 343 fixedly connected to the base assembly 2.

The mounting seat 342 is at least used for fixing the worm 341 on the base assembly 2, and the mounting seat 342 includes a first passage 3421, through which the worm 341 penetrates and is rotatably connected with the mounting seat 342.

The worm 341 is connected to the motor of the cushion driving member 31, in this embodiment, the worm 341 is preferably indirectly connected to the cushion driving member 31 through a spline shaft, and indeed, in other embodiments, it is within the scope of the present invention that the worm 341 is directly connected to the cushion driving member 31.

The axial limiting member 343 is fixed to the base assembly 2 by a fastener, and is used for limiting the axial direction of the worm 341, preventing the worm 341 from moving in the axial direction, and improving the stability of the seat. The preferred axial limiting member 343 includes a limiting portion and a connecting portion, wherein the connecting portion is fixed to the base assembly 2 by a bolt, and the limiting portion blocks the end of the worm 341; the cross section of the axial limiting member 343 is illustrated as L-shaped in fig. 9, but the axial limiting member 343 may have a different shape in other embodiments.

With continued reference to fig. 6-9, it is further preferred that worm gear assembly 33 includes a worm gear 331 and a contoured rod 332. The worm wheel 331 is rotatably mounted on the base assembly 2 and engages with the worm 341. The rod 332 penetrates the worm wheel 331 and is fixedly coupled to the worm wheel 331 to rotate together with the worm wheel 331. One end of dysmorphism pole is non-cylindric structure, correspondingly, has the through-hole unanimous with the shape of the tip 3321 of this dysmorphism pole on the cushion assembly 1, and the tip 3321 of this dysmorphism pole penetrates this through-hole, and this means has realized the stable connection of dysmorphism pole 332 with cushion assembly 1, has avoided both to rotate the phenomenon of skidding of in-process, has improved the stability of seat. In this embodiment, the end 3321 of the special-shaped rod is the output end of the worm gear assembly 33, which can also be understood as the output end 321 of the worm gear member.

With continued reference to fig. 6-9, it is further preferred that the worm gear member 33 and the worm member 34 share a mounting base 342, i.e., the worm gear member 33 and the worm member 34 are secured to the base assembly 2 by a mounting base 342. Specifically, the mount 342 further includes a second channel 3422; the axial direction of the second passage 3422 is perpendicular to the axial direction of the first passage 3421; the second passageway 3422 is used to mount the worm gear assembly 33. The embodiment of the invention effectively ensures the installation accuracy of the worm wheel assembly 33 and the worm assembly 34 based on the means.

Referring to fig. 6-9, it is further preferable that the mounting base 342 includes a first base 3423 and a second base (not shown), and the first base 3423 and the second base are arranged in a mirror image. The first seat 3423 and the second seat are folded to form the first channel 3421 and the second channel 3422, and the first seat 3423 and the second seat are fixedly connected by a fastener. The first seat 3423 and/or the second seat are fixed to the seat assembly 2 by bolts.

Referring to fig. 10, the worm gear 32 further includes a first limiting member 35 and two second limiting members 36, the first limiting member 35 is fixedly connected to the worm gear 33, the two second limiting members 36 are fixedly connected to the base assembly 2 at intervals, when the seat cushion assembly 1 rotates to the first position 11, the first limiting member 35 and one of the second limiting members 36 limit each other to stop the seat cushion assembly 1 from continuing to rotate, and when the seat cushion assembly 1 rotates to the second position 12, the first limiting member 35 and the other of the second limiting members 36 limit each other to stop the seat cushion assembly 1 from continuing to rotate.

The first limiting member 35 and the second limiting member 36 are both plates, so as to obtain a better limiting effect and improve the stability of the seat; the first limiting member 35 is welded on the special-shaped rod 332, and the second limiting member 36 is welded on the side surface of the base assembly 2; in the rotation process of the worm wheel assembly 33, the first limiting member 35 swings between the two second limiting members 36 until the first limiting member and one of the second limiting members 36 limit each other; when the seat cushion assembly 1 rotates to the first position 11 or the second position 12, the acting force of the seat cushion driving member 31 on the worm gear member 32 and the acting force between the first limiting member 35 and the second limiting member 36 counteract each other, so that the seat cushion assembly 1 and the base assembly 2 are kept relatively stationary.

Referring to fig. 11-14, the base assembly 2 includes an upper support 21, a lower support 22, and a lifting member 23.

Wherein, the upper support 21 is connected with the cushion rotation driving assembly 3, and the cushion driving part 31 is fixedly connected to the upper support 21; when ascending and descending, the cushion rotary drive assembly 3 and the cushion assembly 1 ascend or descend together with the upper support 21.

The lower support 22 is used for connecting the installation foundation 4; the lower support 22 is located below the upper support 21 with a certain distance therebetween.

The lifting component 23 is used for adjusting the distance between the upper support 21 and the lower support 22, namely adjusting the height of the cushion assembly 1 to meet the requirements of users. The lifting member 23 is located between the upper support 21 and the lower support 22, and has an upper end connected to the upper support 21 and a lower end connected to the lower support 22.

With continued reference to fig. 11-14, in an embodiment of the invention, the means for adjusting the height of the seat assembly 1 using the lifting members 23 is used not only when the seat is used as a seat, but also when the seat is used as a footrest. Figures 11-12 illustrate the use of the seat as a seating apparatus, with the lifting members 23 adjusting the height of the seat cushion to suit the conditions of users of different heights; figures 13-14 illustrate the use of the seat as a footrest with the height of the seat cushion adjusted by the lifting members 23 to accommodate the comfort requirements of the user.

Referring to fig. 15, the upper support 21 includes two oppositely disposed side mounting members 211, preferably, the two side mounting members 211 are plate members or plate members; the side mounting members 211 have a height, and preferably the upper portion of the mounting base 342 is connected to the cushion rotary drive assembly 3 to allow sufficient mounting space for the cushion rotary drive assembly 3 and to allow sufficient space for the rotary movement of the cushion assembly 1 relative to the upper support 21. The upper support 21 further comprises a support plate 212, and two side mounting pieces 211 are respectively connected to two sides of the support plate 212 to improve the stability of the upper support 21; further preferably, the seat cushion driving member 31 of the seat cushion rotation driving assembly 3 is fixed to the support plate 212.

In the present invention, the cushion rotation driving assembly 3 is fixed to at least one of the side mounting members 211, that is, the rotation movement of the cushion assembly 1 relative to the base assembly 2 is a single-side driving or a double-side driving, and in this embodiment, it is preferable that the cushion rotation driving assembly 3 is provided to one of the side mounting members 211 to drive the cushion assembly 1 on one side.

Referring to fig. 15, the lifting member 23 includes two lifting elements 231 and a lifting driving element 232, the lifting elements 231 are correspondingly connected to the side mounting members 211, and the lifting driving element 232 drives the lifting elements 231 to control the upper support 21 to move up and down relative to the lower support 22.

Wherein, the lifting components 231 are disposed in one-to-one correspondence with the side mounting members 211 so as to smoothly lift the upper support 21 and the seat cushion assembly 1, thereby improving the stability of the seat.

The lifting driving assembly 232 is fixedly connected with the lifting assembly 231 and drives the lifting assembly 231 to move, so as to control the relative distance between the upper support 21 and the lower support 22.

With continued reference to FIG. 15, the lifting assembly 231 includes an X-shaped arm 2311, the X-shaped arm 2311 includes a driving arm 23111 and a driven arm 23112, the driving arm 23111 is rotatably connected to the side mounting element 211 at an upper end thereof and slidably connected to the lower support 22 at a lower end thereof; the lifting drive assembly 232 drives the two driving arms 23111 to synchronously slide relative to the lower support 22; the driven arm 23112 is rotatably connected with the driving arm 23111 and is arranged in a crossed manner; the driven arm 23112 is slidably coupled at its upper end to the side mounting member 211 and rotatably coupled at its lower end to the lower bracket 22.

The lifting driving element 232 drives the lower end of the driving arm 23111 to slide relative to the lower support 22, so as to change the included angle between the driving arm 23111 and the driven arm 23112, thereby controlling the height of the upper end of the driving arm 23111 relative to the lower end thereof (or the height of the upper end of the driven arm 23112 relative to the lower end thereof), and further realizing the ascending and descending of the upper support 21 and the cushion assembly 1.

Referring to fig. 16, the lifting assembly 231 further includes a first guiding member 2322, the lower support 22 is provided with a first guiding slot 221, and the first guiding member 2322 penetrates through the first guiding slot 221 and is connected to the driving arm 23111; when the lift driving assembly 232 drives the driving arm 23111, the first guide 2322 slides or rolls in a direction guided by the first guide groove 221. The first guide 2322 is guided by the first guide groove 221 such that the lower end of the active arm 23111 moves in a preset direction, thereby ensuring the operation accuracy and stability of the lift assembly 231.

With continued reference to FIG. 16, the lifting assembly 231 further includes a second guide member 2323, the side mounting member 211 is provided with a second guide slot 2111, and the second guide member 2323 passes through the second guide slot 2111 and is rotatably connected to the driven arm 23112; when the lift driving assembly 232 drives the driving arm 23111, the second guide 2323 slides or rolls in a direction guided by the second guide slot 2111. The second guide member 2323 is guided by the second guide slot 2111 such that the upper end of the driven arm 23112 is moved in a preset direction, thereby ensuring the operational accuracy and stability of the lifting assembly 231.

With continued reference to fig. 16, the lifting assembly 231 further includes a third guiding member 2324, the side mounting member 211 is provided with a third guiding slot 2112, and the third guiding member 2324 penetrates through the third guiding slot 2112 and is rotatably connected to the upper portion of the driving arm 23111; during the movement of the active arm 23111, the third guide 2324 slides or rolls along the third guide slot 2112. Here, during the movement, the position where the active arm 23111 is connected with the third guide 2324 has a movement track, and the third guide slot 2112 extends along the movement track. The driving arm 23111 and the side mounting member 211 are further coupled by the third guide 2324, and the third guide 2324 is arranged to operate in an extending direction along the third guide slot 2112, thereby further improving the stability of the lift assembly 231 and accordingly the seat.

With continued reference to FIG. 16, the lifting assembly 231 further includes a fourth guide member 2325, the lower support 22 is provided with a fourth guide slot 222, and the fourth guide member 2325 penetrates through the fourth guide slot 222 and is rotatably connected to the lower portion of the driven arm 23112; during movement of the driven arm 23112, the fourth guide 2325 slides along the fourth guide slot 222. Here, during the movement, the position where the driven arm 23112 is connected with the fourth guide 2325 has another movement track along which the fourth guide slot 222 extends. Further coupling of the driven arm 23112 to the lower bracket 22 via the fourth guide 2325, and providing the fourth guide 2325 to travel along the direction of extension of the fourth guide slot 222, further improves the stability of the lift assembly 231 and, correspondingly, the seat.

The upper portion of the active arm 23111 includes a first arm segment that engages the side mount 211. During operation of the lift assembly 231, there is contact and friction between the first arm segment and the side mount 211, further improving the stability of the seat.

With continued reference to FIG. 16, the lower portion of the driven arm 23112 includes a second arm segment 231121, and a second arm segment 231121 is engaged with the lower support 22. During operation of the lift assembly 231, contact and friction between the second arm segment 231121 and the lower support 22 further provides stability to the seat.

Referring to fig. 17, the lifting assembly 231 further includes a first connecting plate 233, and two sides of the first connecting plate 233 are respectively and fixedly connected to the two driving arms 23111. The two driving arms 23111 are connected together through the first connecting plate 233, so that the overall rigidity of the two lifting assemblies 231 is improved, and the synchronism and stability of the two driving arms 23111 are improved in the operation process of the lifting assemblies 231.

The lifting assembly 231 further includes a second link plate (not shown) fixedly coupled on either side to the two follower arms 23112. The two follower arms 23112 are connected together by the second web, increasing the overall rigidity of the two lifting assemblies 231 and improving the synchronization and stability of the two follower arms 23112 during operation of the lifting assemblies 231.

Referring to fig. 15, the lifting driving assembly 232 includes a synchronization rod set 2321 and a lifting driving member 2322, two ends of the synchronization rod set 2321 are respectively and fixedly connected to the lower ends of the two driving arms 23111, and the lifting driving member 2322 drives the synchronization rod set 2321 to slide relative to the lower support 22. The lifting driving member 2322 can output linear motion, and the output end of the lifting driving member is directly and fixedly connected with the synchronizing rod set 2321, so that the synchronizing rod set 2321 is driven to move back and forth, and the lower ends of the two driving arms 23111 move together with the synchronizing rod set 2321; indeed, as an alternative, the lifting drive 2322 may output another form of motion, and by converting this other form of motion into a linear reciprocating motion with a kinematic mechanism, bring the set 2321 into motion.

Referring to fig. 15, the lifting driving assembly 232 further includes a linear sliding mechanism 2323, the linear sliding mechanism 2323 includes a slider 23231 and a sliding rail 23232, the slider 23231 is slidably connected to the sliding rail 23232, the sliding rail 23232 is fixedly connected to the lower support 22, and the slider 23231 is fixedly connected to the synchronization rod set 2321. By providing the linear slide mechanism 2323 to guide the set 2321 of synchronization bars, the stability of the lift assembly 231 is further improved, and accordingly the stability of the seat is improved.

Referring to fig. 15, the lifting driving assembly 232 has two linear sliding mechanisms, and the two linear sliding mechanisms 2323 are symmetrically disposed on two sides of the lifting driving member 2322, so as to improve the stability of the synchronizing bar set 2321, and accordingly improve the stability of the seat.

Referring to fig. 18, the synchronizing bar set 2321 includes a first connecting shaft 23211, a first sleeve 23212, a second sleeve 23213 and a fixing seat 23214, two ends of the first connecting shaft 23211 are respectively and fixedly connected to two sliders 23231, the first sleeve 23212 and the second sleeve 23213 are respectively and rotatably connected to the first connecting shaft 23211, one end of the first sleeve 23212 abuts against the slider 23231 on the corresponding side thereof, the other end of the first sleeve 23212 is inserted and fixed to one end of the fixing seat 23214, one end of the second sleeve 23213 abuts against the slider 23231 on the corresponding side thereof, the other end of the second sleeve 23213 is inserted and fixed to the other end of the fixing seat 23214, and an output end of the lifting driving member 2322 is fixedly connected to the fixing seat 23214.

The first sleeve 23212 and the second sleeve 23213 are sleeved on the first connecting shaft 23211, the relative position relationship between the first sleeve 23212 and the second sleeve 23213 is determined by the fixing seat 23214, and the lifting driving member 2322 is connected by the fixing seat 23214, which is beneficial to protecting the first connecting shaft 23211 and improving the rigidity and strength of the synchronizing rod set 2321.

Preferably, the fixing base 23214 includes two fixing plates 232141, the middle portion of the fixing plate 232141 is in an arch shape, the two fixing plates 232141 are oppositely disposed and connected by a fastener, a connecting channel is formed at a position corresponding to the arch shape, and the first sleeve and the second sleeve are respectively inserted into two ends of the connecting channel and fixedly connected to the two fixing plates 232141. The output end of the lifting drive 2322 is preferably fixed to a fixing plate 232141 to facilitate the assembly and disassembly of the fixing seat 23214 and the synchronizing bar set 2321.

Referring to fig. 15, the synchronizing bar set 2321 further includes two second connecting shafts 23215, each connecting shaft is used for connecting the slider 23231 and the lower end of the driving arm 23111 on the corresponding side. Further, the second connecting shaft 23215 is preferably indirectly connected to the active arm 23111 through the first guide 2322, that is, the first guide 2322 penetrates through the active arm 23111 and is fixedly connected to the end of the second connecting shaft 23215.

Referring to fig. 19-21, the seat further includes a back assembly 5 connected to the rear end of the seat cushion assembly 1; the backrest assembly 5 is configured to be leaned against when being unfolded to a third position relative to the seat cushion assembly 1, and the backrest assembly 5 is further configured to be fixedly connected with the seat cushion assembly 1 after being folded to a fourth position relative to the seat cushion assembly 1.

Wherein, fig. 19 illustrates a state in which the backrest assembly 5 is in a third position, in which a user can rest on the backrest assembly 5; fig. 20 and 21 show the state in which the backrest assembly 5 is in the fourth position, and when the seat is used as a footrest, the seat occupies a small space by folding the backrest assembly 5 to the fourth position and then adjusting the seat cushion to the second position 12.

As will be further understood from fig. 21 and 22, the adjustment of the backrest assembly 5, the adjustment of the seat cushion assembly 1 and the adjustment of the lifting member 23 do not interfere with each other, and the seat having the backrest assembly 5 can be adjusted in height by the lifting member 23 when used as a footrest to suit the needs of the user.

Referring to fig. 23, the seat cushion assembly 1 includes a seat cushion frame 14, a backrest driving member 15 and an angle adjuster 16; the front end of the cushion framework 14 is connected with the base assembly 2, and the rear end is connected with the backrest assembly 5; the backrest driving unit is fixedly connected to the seat cushion framework 14; the input end of the angle adjuster 16 is fixedly connected to the backrest driving element 15, and the output end of the angle adjuster 16 is fixedly connected to the backrest assembly 5.

Wherein the backrest driving member 15 is preferably an electric motor and the recliner 16 is realized by the prior art, so that it is not described in detail here. In the embodiment, the backrest driving element 15 drives the recliner 16 to act, and the recliner 16 drives the backrest assembly 5 to rotate relative to the seat cushion frame 14, so that the backrest assembly 5 can be unfolded and folded relative to the seat cushion assembly 1.

In this embodiment, the backrest rotation assembly further includes a special shaft 17; two opposite sides of the cushion assembly 1 are respectively provided with an angle adjuster 16, and the two angle adjusters 16 are fixedly connected with two ends of a special-shaped shaft 17 in a one-to-one correspondence manner; the backrest drive element 15 drives the two recliners 16 in synchronous action by driving the profiled shaft 17. The present embodiment drives the two recliners 16 to operate synchronously by one backrest driving member 15, and arranges the two recliners 16 on opposite sides of the backrest assembly 5, which improves the stability of the backrest assembly 5 and accordingly the stability of the seat.

Referring to fig. 24, the backrest assembly 5 includes a backrest frame 51 and a headrest frame 52, and the headrest frame 52 is detachably connected to an upper end of the backrest frame 51; the output end of the angle adjuster 16 is fixedly connected with the backrest framework 51 to adjust the rotation of the backrest framework 51 relative to the seat cushion assembly 1; the back frame 51 is configured to rotate to a third position relative to the seat cushion assembly 1 and then fixed to the seat cushion assembly 1, and the back frame 51 is also configured to rotate to a fourth position relative to the seat cushion assembly 1 and then fixed to the seat cushion assembly 1.

The embodiment of the invention also provides a vehicle comprising the seat.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A seat comprising a cushion assembly and a base assembly, wherein the cushion assembly is connected to the front end of the base assembly; the cushion assembly is arranged to rotate around the front end of the base assembly to a first position and then fixedly connected with the base assembly, and the cushion assembly is used for carrying a cargo when in the first position; the cushion assembly is further arranged to rotate around the front end of the base assembly to a second position and then fixedly connected with the base assembly, an accommodating cavity is formed between the cushion assembly and the base assembly when the cushion assembly is at the second position, and the accommodating cavity provides a foot placing space for a rear row user;

the seat further comprises a cushion rotation driving assembly, and the cushion rotation driving assembly is used for driving the cushion assembly to rotate around the front end of the base assembly;

the cushion rotation driving assembly comprises a cushion driving part and a worm and gear part which are connected to the base assembly; the cushion driving part drives the worm gear part, the output end of the worm gear part outputs rotary motion, and the output end of the worm gear part is fixedly connected with the cushion assembly;

the worm and gear component comprises a worm gear component and a worm component which are arranged on the base assembly, two ends of the worm component are respectively connected with the cushion driving component and the worm gear component, and the worm gear component drives the cushion assembly to rotate;

the worm and gear component further comprises a first limiting part and two second limiting parts, the first limiting part is fixedly connected to the worm gear component, the two second limiting parts are fixedly connected to the base assembly at intervals, when the cushion assembly rotates to the first position, the first limiting part and one of the second limiting parts are mutually limited to prevent the cushion assembly from continuously rotating, and when the cushion assembly rotates to the second position, the first limiting part and the other of the second limiting parts are mutually limited to prevent the cushion assembly from continuously rotating.

2. The seat according to claim 1, wherein the worm assembly comprises a mounting block, a worm, and an axial stop; the mounting seat is fixedly connected to the base assembly; the worm is used for being meshed with the worm wheel assembly and is in rotating connection with the mounting seat; one end of the worm is connected with the cushion driving part, and the other end of the worm is fixedly connected to the axial limiting part on the base assembly for axial limiting.

3. The seat of claim 1, wherein the worm gear assembly comprises a worm gear and a profiled rod; the worm wheel is used for meshing with the worm assembly; the special-shaped rod is fixedly connected with the worm wheel and is rotationally connected with the base assembly; one end of the special-shaped rod is fixedly connected with the cushion assembly.

4. The seat of claim 1, wherein the base assembly comprises:

the cushion rotary driving assembly is fixedly connected to the upper support;

the lower support is positioned below the upper support; and

5. A seat as claimed in claim 4, wherein said upper support includes two oppositely disposed side mounts, at least one of said side mounts having said cushion rotary drive assembly secured thereto;

6. The seat of claim 5, wherein the lift assembly comprises an X-arm comprising:

7. The seat of claim 6, wherein the lift assembly further comprises a first guide member, the lower support defines a first guide slot, and the first guide member extends through the first guide slot and is coupled to the actuator arm; when the lifting driving assembly drives the driving arm, the first guide piece slides or rolls along the direction guided by the first guide groove; and/or the presence of a gas in the gas,

8. The seat of claim 6, wherein the lift assembly further comprises a third guide member, and a third guide slot is formed in the side mounting member, and the third guide member extends through the third guide slot and is pivotally connected to the upper portion of the master arm; in the process of moving the active arm, the third guide piece slides or rolls along the third guide groove; and/or the presence of a gas in the gas,

9. The seat of claim 6, wherein the upper portion of the active arm includes a first arm segment that is attached to the side mount; and/or the presence of a gas in the gas,

10. The seat of claim 6, wherein the lifting assembly further comprises a first connecting plate, and two sides of the first connecting plate are fixedly connected with the two driving arms respectively; and/or the presence of a gas in the atmosphere,

11. The seat of claim 6, wherein the lifting driving assembly comprises a synchronization rod set and a lifting driving member, two driving arms are respectively fixedly connected to two ends of the synchronization rod set, and the lifting driving member drives the synchronization rod set to slide relative to the lower support.

12. The seat of claim 11, wherein the lift drive assembly further comprises a linear slide mechanism, the linear slide mechanism comprising a slider and a track, the slider slidably coupled to the track, the track secured to the lower support, the slider secured to the set of synchronization bars.

13. The seat of claim 12, wherein the lift drive assembly has two of the linear slide mechanisms symmetrically disposed on either side of a lift drive;

14. A seat as set forth in any one of claims 1-13 further comprising a backrest assembly connected to a rear end of said cushion assembly; the backrest assembly is configured to be reclined when deployed to a third position relative to the seat cushion assembly, and the backrest assembly is further configured to be fixedly coupled to the seat cushion assembly when stowed to a fourth position relative to the seat cushion assembly.

15. The seat of claim 14, wherein said cushion assembly comprises:

the backrest driving element is fixedly connected to the seat cushion framework; and the combination of (a) and (b),

16. The seat of claim 15, wherein the backrest assembly further comprises a contoured shaft; the two opposite sides of the seat cushion assembly are respectively provided with one angle adjuster, and the two angle adjusters are fixedly connected with the two ends of the special-shaped shaft in a one-to-one correspondence manner; the backrest driving element controls the synchronous action of the two angle adjusters by driving the special-shaped shaft.

17. The seat of claim 14, wherein the back assembly includes a back frame and a headrest frame, the headrest frame being removably connected to an upper end of the back frame; the backrest framework is arranged to rotate to a third position relative to the seat cushion assembly and then fixedly connected with the seat cushion assembly, and the backrest framework is also arranged to rotate to a fourth position relative to the seat cushion assembly and then fixedly connected with the seat cushion assembly.

18. A vehicle comprising a seat as claimed in any one of claims 1 to 17.