CN216545853U

CN216545853U - Hip support adjustment device for a seat and vehicle seat

Info

Publication number: CN216545853U
Application number: CN202122652050.6U
Authority: CN
Inventors: 熊丁; 罗鳌; 刘洋; 王越; 宋运龙; 贺凯琦
Original assignee: Nuo Chuang Auto Technology Shanghai Co ltd
Current assignee: Nuo Chuang Auto Technology Shanghai Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-17
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a hip support adjusting device of a seat and a vehicle seat, wherein the hip support adjusting device of the seat comprises: a locking assembly adapted to be mounted between the backrest and the seat cushion, the locking assembly having locking teeth; the rotary gear assembly is rotatably connected with the locking assembly and is provided with rotary teeth; the supporting assembly is arranged on the rotating tooth assembly and provided with a driving part, the driving part is used for driving the rotating tooth and the locking tooth to be selectively locked or unlocked, and the supporting assembly is provided with a hip supporting surface used for supporting the hip of a user. The hip support adjusting device of the seat can effectively support the hips of a user, so that the hips of the user can be kept in a comfortable state in the driving process, and the gap between the seat cushion and the backrest can be filled by the hip support adjusting device, so that the external structure of the seat body is flat.

Description

Hip support adjustment device for a seat and vehicle seat

Technical Field

The utility model relates to the technical field of vehicle manufacturing, in particular to a hip support adjusting device of a seat and a vehicle seat with the hip support adjusting device.

Background

Automobiles are an indispensable part of our lives, and with the continuous improvement of the quality of life, the requirement on comfort is higher and higher, and the seat is undoubtedly the most direct link with the comfort in the driving process. In the related art, an effective support structure is not arranged at the joint of a seat cushion and a backrest, so that the hip of a user cannot be effectively supported in the driving process of driving a vehicle, the problem that the hip is easy to fatigue is easily caused, a large gap is formed between the backrest and the seat cushion, the external structure of the seat is poor in vision, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a hip support adjustment device for a seat, which can effectively support the hips of a user, fill up the gap between a backrest and a seat cushion, ensure the comfort of the user, and improve the visual effect of the seat.

A hip support adjustment device for a seat according to an embodiment of the present invention includes: a locking assembly adapted to be mounted between the backrest and the seat cushion, the locking assembly having locking teeth; the rotary gear assembly is rotatably connected with the locking assembly and is provided with rotary teeth; the supporting assembly is arranged on the rotating tooth assembly and provided with a driving part, the driving part is used for driving the rotating tooth and the locking tooth to be selectively locked or unlocked, and the supporting assembly is provided with a hip supporting surface used for supporting the hip of a user.

According to the hip support adjusting device of the seat, the hip of a user can be effectively supported, so that the hip of the user can be kept in a comfortable state in the driving process, and the gap between the seat cushion and the backrest can be filled by the hip support adjusting device, so that the seat body is flat in external structure, and the seat is favorable for enabling the passengers to have better comfort experience.

According to some embodiments of the present invention, the rotary tooth assembly includes a mounting plate rotatably coupled to the latch assembly, the rotary tooth being rotatably coupled to the mounting plate; wherein the locking tooth has a plurality of engaging tooth grooves, and the rotating tooth has a spur tooth portion for engaging with one of the plurality of engaging tooth grooves.

According to the hip support adjustment device of the seat, the locking tooth further comprises a first limit convex part and a second limit convex part, a plurality of engaging tooth grooves are arranged between the first limit convex part and the second limit convex part, gears corresponding to a plurality of engaging tooth parts are sequentially increased from the first limit convex part to the second limit convex part, and the first limit convex part and the second limit convex part are both configured to protrude out of a tooth crest between two adjacent engaging tooth grooves.

According to some embodiments of the utility model, the seat hip support adjustment device further comprises a pre-tightening spring having one end elastically pressed against the mounting plate and the other end elastically pressed against the rotating tooth, the pre-tightening spring being configured to pre-tighten the spur portion toward a direction approaching the engaging tooth groove and the second limit protrusion when the spur portion is located between the first limit protrusion and the second limit protrusion.

According to some embodiments of the utility model, the pretensioning spring is configured to resiliently pretension the toothed portion towards a direction approaching the first limit projection after the toothed portion is pressed against the second limit projection.

According to some embodiments of the present invention, the rotating teeth assembly further comprises a pulling belt connected to the rotating teeth for pulling the protruding teeth to move toward the direction close to the first limit protruding portion.

A hip support adjustment device for a seat according to some embodiments of the present invention, further comprising: the rotary tooth assembly is rotatably mounted on the locking assembly through the mounting pin shaft, the reset torsion spring is sleeved outside the mounting pin shaft, two ends of the reset torsion spring are respectively connected with the rotary tooth assembly and the locking assembly, and the reset torsion spring is used for elastically pre-tightening the rotary tooth assembly in the direction close to the cushion.

According to the hip support adjusting device of the seat, the rotary tooth assemblies and the locking assemblies are two groups, and the two groups of rotary tooth assemblies and the two groups of locking assemblies are matched in a one-to-one correspondence mode; wherein

The two sets of rotating tooth assemblies are fixedly connected through a first connecting piece, and the two sets of locking assemblies are fixedly connected through a second connecting piece.

According to some embodiments of the present invention, the hip support adjustment device of a seat comprises a support plate, a foam and a face sleeve, the driving part is configured as a rotary handle, the rotary handle is mounted to the support plate, the foam is mounted to the support plate, and the face sleeve is disposed outside the foam.

The utility model also provides a vehicle seat.

A vehicle seat according to an embodiment of the present invention includes: the seat comprises a mounting framework, a backrest, a seat cushion and the hip support adjusting device of the seat in any one of the embodiments, wherein the mounting framework is mounted between the backrest and the seat cushion, and the locking assembly is fixedly connected with the mounting framework.

The advantages of the vehicle seat and of the hip support adjustment device of the seat described above with respect to the prior art are the same and are not described in detail here.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

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 an exploded view of a vehicle seat according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a vehicle seat according to an embodiment of the utility model;

figure 3 is an exploded view of a hip support adjustment device according to an embodiment of the present invention;

figure 4 is an exploded view of the rotary clasp and support plate of the hip support adjustment device according to an embodiment of the present invention;

figure 5 is an assembly view of the rotary clasp and support plate of the hip support adjustment device according to an embodiment of the present invention;

figure 6 is an exploded view of the foaming and face sleeve of the hip support adjustment device according to an embodiment of the present invention;

figure 7 is an assembly view of the foaming and face sleeve of the hip support adjustment device according to an embodiment of the present invention;

figure 8 is an exploded view of a locking assembly of the hip support adjustment device in accordance with an embodiment of the present invention;

figure 9 is a schematic structural view of a locking assembly of the hip support adjustment device according to an embodiment of the present invention;

figure 10 is an exploded view of the swivel teeth and rear plate of the hip support adjustment device according to an embodiment of the present invention;

figure 11 is an exploded view of a rotary tine assembly of the hip support adjustment device in accordance with an embodiment of the present invention;

figure 12 is a schematic structural view of a rotary tooth assembly of the hip support adjustment device according to an embodiment of the present invention;

figure 13 is an assembly view of the rotary tooth assembly and locking assembly of the hip support adjustment device in accordance with an embodiment of the present invention;

figure 14 is an assembly view of the pawl assembly and locking assembly of the hip support adjustment device according to an embodiment of the present invention (including the first connector and the second connector);

figure 15 is an assembly view of the pivoting tooth assembly and locking assembly of the hip support adjustment device (including first and second connectors, pad and catch) in accordance with an embodiment of the present invention

Figure 16 is a schematic structural view of a hip support adjustment device according to an embodiment of the present invention;

figure 17 is a cross-sectional view of the hip support adjustment device in an initial state according to an embodiment of the present invention;

figure 18 is a cross-sectional view of the hip support adjustment device in a first gear according to an embodiment of the present invention;

figure 19 is a cross-sectional view of the hip support adjustment device in a second gear according to an embodiment of the present invention;

figure 20 is a cross-sectional view of the hip support adjustment device in the third gear according to an embodiment of the present invention;

figure 21 is a cross-sectional view of the hip support adjustment device in an unlocked position in accordance with an embodiment of the present invention;

figure 22 is a cross-sectional view of the hip support adjustment device in an unlocked two position in accordance with an embodiment of the present invention;

figure 23 is a schematic diagram of a hip support adjustment device according to further embodiments of the present invention;

figure 24 is a cross-sectional view of a hip support adjustment device according to further embodiments of the present invention.

Reference numerals:

a vehicle seat 1000 is provided with a seat body,

the hip-support adjustment device 100 is provided with,

the locking assembly 1, the locking teeth 11, the meshing tooth grooves 12, the first limit convex part 13, the second limit convex part 14, the fixing plate 15 and the fixing hole 151,

a rotating tooth assembly 2, a mounting plate 21, a front plate 211, a rear plate 212, a rotating tooth 22, a convex tooth part 23, a pre-tightening spring 24,

support assembly 3, rotating fastener 31, support plate 32, foam 33, face cover 34, gasket 35, fastener 36,

a return torsion spring 41, a mounting pin 42, a first connector 43, a second connector 44, a bolt 45, a mounting nut 46, a rivet 47, a step rivet 48,

the pull straps 5 are provided with a pull strip,

the framework 200, the backrest 300 and the cushion 400 are installed.

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.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

Referring to fig. 1 to 24, a hip support adjustment device 100 for a seat according to an embodiment of the present invention is described, wherein the hip support adjustment device 100 can support the hips of a user, so that the hips of the user can maintain good comfort during driving of the vehicle, and the gap between a seat cushion 400 and a backrest 300 can be filled up by the hip support adjustment device 100, so that the comfort experience of the occupant is improved.

As shown in fig. 3, the hip support adjustment device 100 of a seat according to an embodiment of the present invention includes: locking assembly 1, commentaries on classics tooth assembly 2 and support assembly 3.

The locking assembly 1 is adapted to be installed between the backrest 300 and the seat cushion 400, for example, a mounting frame 200 may be provided between the backrest 300 and the seat cushion 400 in advance, so that the mounting frame 200 serves as a basic mounting structure of the hip support adjusting device 100, and thus, the hip support adjusting device 100 may be fixedly installed on the mounting frame 200 through the locking assembly 1, so that the hip support adjusting device 100 can fill up a gap between the backrest 300 and the seat cushion 400, and further, the hip support adjusting device 100 can support the hip of the user, thereby ensuring that the hip of the user can maintain high comfort level during the use of the seat, and providing more powerful guarantee for driving safety.

Wherein, the rotating gear assembly 2 is rotatably connected with the locking assembly 1, the supporting assembly 3 is arranged on the rotating gear assembly 2, and the supporting assembly 3 is provided with a hip supporting surface for supporting the hip of the user. In this way, the support assembly 3 and the rotary tooth assembly 2 are both mounted to the locking assembly 1 and can rotate relative to the locking assembly 1, and during specific use, the support assembly 3 and the rotary tooth assembly 2 can be driven to rotate together relative to the locking assembly 1 so as to move the hip support surface of the support assembly 3 to different positions relative to the seat cushion 400 and the backrest 300, so that a user can adjust the position of the hip support surface relative to the user to support the hip of the user at different positions or at different angles, thereby meeting the requirement of the user for comfort.

As shown in fig. 8, 9 and 13, the locking assembly 1 has a locking tooth 11, and as shown in fig. 10, 11 and 12, the rotary tooth assembly 2 has a rotary tooth 22, wherein the locking tooth 11 is used for meshing with the rotary tooth 22, so that the locking assembly 1 and the rotary tooth assembly 2 are locked and fixed through the cooperation of the locking tooth 11 and the rotary tooth 22. It will be appreciated that when the locking teeth 11 and the rotating teeth 22 are engaged and locked, the relative positions of the locking assembly 1 and the rotating teeth assembly 2 are kept fixed, so that the position of the support assembly 3 relative to the user is fixed, and thus the hip support surface can play a role of stable support for the hip position of the user, thereby ensuring the comfort of the user; and when the locking teeth 11 and the rotating teeth 22 are separated, the engagement positions of the locking assembly 1 and the rotating teeth assembly 2 are separated, at this time, the rotating teeth assembly 2 and the supporting assembly 3 can both rotate relative to the locking assembly 1, so that the supporting assembly 3 can rotate to the position required by a user, the position of the hip supporting surface can be flexibly adjusted, and more use requirements of the user are met.

And the locking assembly 1 further comprises a fixing plate 15, the fixing plate 15 can be used for fixedly connecting with the mounting framework 200, as shown in fig. 8, the fixing plate 15 can be detachably connected with the mounting framework 200 through a connecting member such as a mounting nut 46 and a bolt 45, or the fixing plate 15 can be connected with the mounting framework 200 by welding, as shown in fig. 8, the fixing plate 15 is provided with a fixing hole 151, the fixing hole 151 is used for connecting with the locking tooth 11, as a hole structure corresponding to the fixing hole 151 is arranged on the locking tooth 11, and in specific installation, the fixing hole 151 can be opposite to the hole structure on the locking tooth 11 and fixed by a rivet 47 in a penetrating manner, so as to realize the detachable connection of the locking tooth 11 and the fixing plate 15.

Wherein, the supporting assembly 3 is provided with a driving portion for driving the rotating teeth 22 and the locking teeth 11 to be selectively locked or unlocked, it can be understood that the supporting assembly 3 is fixedly mounted on the rotating teeth assembly 2, for example, the supporting assembly 3 can be welded and fixed on the rotating teeth assembly 2, so that the supporting assembly 3 and the rotating teeth assembly 2 can rotate together relative to the locking assembly 1, and thus, by providing the driving portion on the supporting assembly 3, the driving portion can be configured as the rotating handle 31, so that the user can directly perform manual operation on the driving portion, in other words, the user can manually drive the supporting assembly 3 to move relative to the backrest 300 and the seat cushion 400, so that the rotating teeth assembly 2 and the locking assembly 1 are selectively locked or unlocked, thereby facilitating the adjustment of the position of the hip supporting surface.

According to the hip support adjusting device 100 of the seat, the hip of the user can be effectively supported, so that the hip of the user can be kept in a comfortable state in the driving process, and the gap between the seat cushion 400 and the backrest 300 can be filled up by the hip support adjusting device 100, so that the outer structure of the seat body is flat, and the seat body is beneficial to leading the passengers to have better comfort experience.

In some embodiments, the rotary tooth assembly 2 includes a mounting plate 21, the mounting plate 21 is rotatably coupled to the locking assembly 1, and the rotary tooth 22 is rotatably coupled to the mounting plate 21; as shown in fig. 11 and 12, the mounting plate 21 includes a front plate 211 and a rear plate 212, the front plate 211 is configured to be fixedly connected to the support assembly 3, so that the support assembly 3 is fixedly mounted to the rotary tooth assembly 2, and when the specific design is formed, the front plate 211 and the support assembly 3 can be detachably connected or welded to be connected to be a whole, and the front plate 211 and the rear plate 212 are fixedly connected, such that the front plate 211 and the rear plate 212 are welded to be fixed, and the rear plate 212 is rotatably connected to the locking assembly 1, so that the support assembly 3, the front plate 211 and the rear plate 212 rotate together relative to the locking assembly 1. As shown in fig. 3 and 15, the front side of the front plate 211 is further provided with a pad 35 and a catch 36 for connecting contact with the support assembly 3.

As shown in fig. 8 and 9, the locking tooth 11 has a plurality of engaging tooth grooves 12, the rotating tooth 22 has a tooth portion 23, and the tooth portion 23 is configured to engage with one of the engaging tooth grooves 12, so that when the tooth portion 23 of the rotating tooth 22 engages with one of the engaging tooth grooves 12 of the locking tooth 11, the locking fixation of the rotating tooth 22 and the locking tooth 11, that is, the locking fixation of the rotating tooth assembly 2 and the locking assembly 1, can be achieved.

It should be noted that the plurality of engaging tooth grooves 12 may correspond to a plurality of gears of the rotary gear assembly 2, that is, the number of the engaging tooth grooves 12 is the same as the number of positions that the support assembly 3 can be locked, for example, the locking tooth 11 has three engaging tooth grooves 12, and the gears of the support assembly 3 corresponding to the three engaging tooth grooves 12 are sequentially increased, as shown in fig. 18-20, and the three engaging tooth grooves 12 correspond to a first gear, a second gear and a third gear, respectively, that is, when the tooth portion 23 is locked to the first engaging tooth groove 12 as shown in fig. 18, the support assembly 3 is in the first gear, or when the tooth portion 23 is locked to the middle engaging tooth groove 12 as shown in fig. 19, the support assembly 3 is in the second gear, or when the tooth portion 23 is locked to the third engaging tooth groove 12 as shown in fig. 20, the support assembly 3 is in the third gear. The three positions of the three engaging tooth grooves 12 in this application correspond to three different heights of the hip support surface, i.e. three different angles of rotation of the support assembly 3 relative to the locking assembly 1, whereby the hip support surface is capable of supporting different positions of the hip when the user drives the support assembly 3 and the rotating tooth assembly 2 to rotate to different positions relative to the locking assembly 1.

It will be appreciated that when the hip support adjustment device 100 is used by the same user, the user can adjust the hip support surface to a higher position, or to a lower position, or to an intermediate position, to meet the support needs of the same user at different positions. When different users use the hip support adjusting device 100, the user with a large size and a high hip position can adjust the hip support surface to a high position, or the user with a small size and a low hip position can adjust the hip support surface to a low position, or the user with a moderate size and a middle hip position can adjust the hip support surface to the middle position, so that the hip support for the users with different sizes can be realized, and the application range is wider.

In some embodiments, as shown in fig. 8 and 9, the locking tooth 11 further has a first limit convex portion 13 and a second limit convex portion 14, the plurality of engaging tooth grooves 12 are located between the first limit convex portion 13 and the second limit convex portion 14, and the gear positions corresponding to the plurality of engaging tooth portions are sequentially increased from the first limit convex portion 13 to the second limit convex portion 14, as shown in fig. 8, the first limit convex portion 13 is located at the rightmost side of the locking tooth 11, the second limit convex portion 14 is located at the leftmost side of the locking tooth 11, and the first limit convex portion 13 and the second limit convex portion 14 are each configured as a convex structure, and the first limit convex portion 13 and the second limit convex portion 14 are each configured as a tooth crest protruding from between two adjacent engaging tooth grooves 12.

That is, the first limit projection 13 is located near the side of the plurality of engaging tooth grooves 12 where the corresponding shift position is smallest, the second limit projection 14 is located near the side of the plurality of engaging tooth grooves 12 where the corresponding shift position is largest, that is, the first limit projection 13 may be configured as an initial limit projection, the second limit projection 14 may be configured as an end limit projection, wherein the first limit boss and the second limit boss can both limit the convex tooth part 23, to avoid the situation where the projecting tooth portion 23 is seriously disengaged from the lock teeth 11, and to ensure that the rotary teeth 22 can be effectively locked with the lock teeth 11, and as shown in fig. 17, when the rotary tooth 22 is at the initial position, the tooth portion 23 abuts against the first limit projection 13, and when at the unlock position, as shown in fig. 21, the tooth portion 23 contacts with the second limit projection 14, and at the unlocked two positions, as shown in fig. 22, the teeth 23 are returned to the position of contact with the first limit projection 13.

In some embodiments, the rotary tooth assembly 2 further includes a pre-tightening spring 24, one end of the pre-tightening spring 24 elastically presses against the mounting plate 21 and the other end elastically presses against the rotary tooth 22, wherein, as shown in fig. 10, the rear plate 212 is provided with a mounting hole, the rotary tooth assembly 2 further includes a step rivet 48, and the step rivet 48 sequentially penetrates through the rear plate 212 and the rotary tooth 22, so that the rotary tooth 22 is rotatably mounted on the rear plate 212 through the step rivet 48, thereby enabling the position of the rotary tooth 22 relative to the mounting plate 21 to be adjustable. And as shown in fig. 10, the pre-tightening spring 24 may be configured as an Ω -shaped spring, the pre-tightening spring 24 is sleeved on the step rivet 48, one end of the pre-tightening spring 24 is fixedly connected with the mounting plate 21, and the other end of the pre-tightening spring 24 is fixedly connected with the rotating tooth 22, so that the pre-tightening spring 24 can exert a certain pre-tightening effect on the rotating tooth 22.

When the tooth part 23 is located between the first limit convex part 13 and the second limit convex part 14, the pre-tightening spring 24 is used for pre-tightening the tooth part 23 towards the direction approaching the meshing tooth grooves 12 and the second limit convex part 14. That is, when the male tooth portion 23 is engaged with one of the plurality of engaging tooth grooves 12, the biasing spring 24 presses the rotary tooth 22 so that the male tooth portion 23 is abutted against the inner wall of the engaging tooth groove 12, thereby ensuring that the male tooth portion 23 is stably engaged with the engaging tooth groove 12, i.e., preventing the male tooth portion 23 from being automatically disengaged from the engaging tooth groove 12. And when changing gears or unlocking the locking assembly 1 and the rotating tooth assembly 2, a user manually drives the rotating tooth assembly 2 to move relative to the locking assembly 1 to overcome the pressing force of the pre-tightening spring 24 on the rotating tooth 22 so as to switch the convex tooth part 23 from one meshing tooth groove 12 to the other meshing tooth groove 12.

That is, the three gears corresponding to the three engaging tooth grooves 12 are sequentially increased in height, the hip supporting surfaces corresponding to the three gears are also sequentially increased in height, and the pre-tightening spring 24 is configured to pre-tighten the tooth protruding portion 23 toward the direction close to the engaging tooth grooves 12 and the second limiting protruding portion 14, so that when the support assembly 3 is lifted by a user, the rotating teeth 22 sequentially move from the engaging tooth groove 12 corresponding to the first gear toward the engaging tooth groove 12 corresponding to the third gear under the action of the pre-tightening spring 24, thereby achieving gear shifting of the hip support adjustment device 100.

In some embodiments, the pre-tightening spring 24 is configured to elastically pre-tighten the protruding tooth portion 23 toward a direction approaching the first limit protrusion 13 after the protruding tooth portion 23 is pressed against the second limit protrusion 14, wherein, as shown in fig. 10, the pre-tightening spring 24 may be configured as an Ω spring, two ends of the pre-tightening spring 24 are respectively connected to the rotating tooth 22 and the rear plate 212, and when the movement amplitude of the protruding tooth portion 23 exceeds a predetermined range, the direction of the acting force of the pre-tightening spring 24 between the rotating tooth 22 and the rear plate 212 changes in an opposite direction, and particularly when the user lifts the support assembly 3 to a higher position, the direction of the pre-tightening force of the pre-tightening spring 24 on the protruding tooth portion 23 is opposite, so that the rotating tooth 22 returns to the initial position.

It should be noted that, when the user needs to lower the hip supporting surface, the rotating handle 31 can be driven upwards to move the supporting assembly 3 upwards to the maximum position, that is, after the tooth portion 23 abuts against the second limit protrusion 14, the pre-tightening spring 24 pre-tightens the rotating tooth 22 in the opposite direction, so that the rotating tooth 22 rotates towards the initial position, and there is no abutting action between the tooth portion 23 and the inner wall of the engaging tooth slot 12, that is, the rotating tooth 22 is not locked by the locking tooth 11, so that both the supporting assembly 3 and the rotating tooth 22 can be restored to the lowest position, which is favorable for the user to adjust the height of the hip supporting surface.

In some embodiments, the rotary tooth assembly 2 further comprises a pull strip 5 (not shown), wherein the pull strip 5 is connected to the rotary tooth 22 and is used for pulling the convex tooth portion 23 to move towards the direction close to the first limit convex portion 13. In the specific design, one end of the pull belt 5 is fixedly connected with the rotating teeth 22, and the other end of the pull belt 5 extends to a position which can be reached by a hand of a user, so that the pull belt 5 can pull the convex teeth part 23 to be unlocked from the locking teeth 11. Wherein, stretching strap 5 links to each other with dogtooth portion 23, and the user can stimulate stretching strap 5 when dogtooth portion 23 is in the optional position to make and change tooth 22 all can realize the unblock to supporting assembly 3 through stretching strap 5 when the optional position, do benefit to the front and back position that supports assembly 3 of adjustment more in a flexible way, it is more convenient to use, and the flexibility is better.

In some embodiments, the hip support adjustment device 100 further comprises: a return torsion spring 41 and a mounting pin 42, wherein, as shown in fig. 13 and 14, the mounting pin 42 sequentially penetrates through the locking assembly 1 and the rotary tooth assembly 2, so that the rotary tooth assembly 2 is rotatably mounted to the locking assembly 1 via the mounting pin 42, so that, when the user drives the support assembly 3 to move relative to the seat cushion 400, the rotary tooth assembly 2 can rotate relative to the locking assembly 1 around the mounting pin 42, thereby realizing the position adjustment of the hip support surface.

The reset torsion spring 41 is sleeved outside the mounting pin shaft 42, so that the reset torsion spring 41 can also rotate relative to the mounting pin shaft 42, and two ends of the reset torsion spring 41 are respectively connected with the rotary tooth assembly 2 and the locking assembly 1, so that the reset torsion spring 41 can play a role of elastic pre-tightening between the rotary tooth assembly 2 and the locking assembly 1, if the reset torsion spring 41 is used for elastically pre-tightening the rotary tooth assembly 2 towards a direction close to the seat cushion 400, namely, the reset torsion spring 41 is used for pre-tightening the rotary tooth 22 and the convex tooth portion 23 towards a direction close to the first limit convex portion 13.

It can be understood that after the user lifts the support assembly 3 to the maximum height, the pre-tightening force of the return torsion spring 41 reaches the maximum value, and at this time, if the user removes the driving force at the rotating handle 31, the return torsion spring 41 drives the rotating tooth assembly 2, so that the rotating tooth assembly 2 and the support assembly 3 move from the maximum position to the initial position, and the support assembly 3 is restored to the initial state.

In some embodiments, as shown in fig. 3, the rotating tooth assemblies 2 and the locking assemblies 1 are both two sets, and the two sets of rotating tooth assemblies 2 are matched with the two sets of locking assemblies 1 in a one-to-one correspondence manner, wherein the two sets of locking assemblies 1 are respectively installed at the left and right sides of the installation framework 200, and simultaneously, the two sets of rotating tooth assemblies 2 are also respectively connected with and supported by the two sides of the supporting assembly 3, so that the supporting assembly 3 can be movably installed on the installation framework 200 through the two sets of rotating tooth assemblies 2 and the two sets of locking assemblies 1, thereby ensuring that the left and right sides of the supporting assembly 3 can be effectively supported, that is, avoiding the unstable situation of single-side support when the hip of the user is supported by the hip support surface, and ensuring the comfort level of the user.

Wherein, two sets of commentaries on classics tooth assembly 2 are through first connecting piece 43 fixed connection, as shown in fig. 14, first connecting piece 43 is constructed as "U" shape steel wire, and when specifically connecting, can link to each other with a set of commentaries on classics tooth assembly 2 welding with the vertical limit of one side of first connecting piece 43, and the vertical limit of the other side is linked to each other with another set of commentaries on classics tooth assembly 2 welding to make two sets of commentaries on classics tooth assembly 2 synchronous motion, play the effect of support to the both sides of support assembly 3 jointly.

Wherein, two sets of locking assemblies 1 are fixedly connected through second connecting piece 44, as shown in fig. 14, second connecting piece 44 is constructed as a trough-shaped sheet metal with a "U" shaped cross section, that is, second connecting piece 44 includes two oppositely arranged side plates and an intermediate connecting plate located between the two side plates, as shown in fig. 14, one of the two side plates is connected with one set of locking assembly 1, and the other side plate is connected with the other set of locking assembly 1, thereby connecting two sets of locking assemblies 1 as a whole, so as to be used for supporting two sides of supporting assembly 3 together, and ensuring that the position of the hip supporting surface is relatively stable.

In some embodiments, as shown in fig. 3, the support assembly 3 includes a support plate 32, a foam 33, and a face sleeve 34, the driving portion is configured as a rotary handle 31, and the rotary handle 31 is configured as a handle slot, so that a user can extend the hand into the handle slot to drive the rotary handle 31 and the entire support assembly 3. The supporting plate 32 serves as a framework structure of the supporting assembly 3, and is used for ensuring the structural strength of the supporting assembly 3, and when the supporting plate 32 is specifically installed, the supporting plate 32 can be fixedly connected with the front plate 211 of the rotary tooth assembly 2, so that the supporting assembly 3 and the rotary tooth assembly 2 can rotate relative to the locking assembly 1 together.

Wherein, the rotary handle 31 is installed on the supporting plate 32 for driving the supporting plate 32 to move, the foam 33 is installed on the supporting plate 32, and as shown in fig. 6 and fig. 7, the surface sleeve 34 is sleeved outside the foam 33, and the outer surface of the surface sleeve 34 can be used as the hip supporting surface of the supporting assembly 3, so that when the user leans on the supporting assembly 3, the hip of the user can be directly contacted with the surface sleeve 34, and the surface sleeve 34 is made of soft material, which is beneficial to improving the comfort of the hip of the user. And the foam 33 is arranged between the support plate 32 and the mask 34, so that the foam 33 can play a certain buffering role between the support plate 32 and the hip of the user, when the user moves to a larger extent relative to the vehicle body, the hip of the user can generate soft buffering under the contraction action of the foam 33, the problem of hard contact between the hip of the user and the support plate 32 is avoided, and the comfort of the user is improved. In the specific design, a plurality of hole structures can be respectively arranged on the rotary handle 31 and the support plate 32, and the hole structures of the rotary handle 31 and the support plate 32 are arranged opposite to each other and are connected and fixed through bolts 45 as shown in fig. 4-5.

The utility model also proposes a vehicle seat 1000.

A vehicle seat 1000 according to an embodiment of the present invention includes a mounting frame 200, a backrest 300, a seat cushion 400, and the hip support adjustment device 100 of the seat of any of the embodiments described above.

The seat cushion 400 and the backrest 300 are respectively used for supporting and leaning against the buttocks and the back of a user, and the hip support adjusting device 100 can be used for supporting the hips of the user, so that when the user drives a vehicle, the rear lower part of the user is in a stable and effective supporting state, and the driving comfort of the user is improved. As shown in fig. 1, when the hip support adjusting device is installed specifically, the backrest 300 and the seat cushion 400 are distributed in a bent structure, and an installation gap is formed between the backrest 300 and the seat cushion 400, the installation frame 200 can be installed between the backrest 300 and the seat cushion 400, and is fixedly connected with the installation frame 200 through the locking assembly 1, so that the whole hip support adjusting device 100 is fixedly installed between the backrest 300 and the seat cushion 400, and the supporting effect on the hip of the user is realized.

In the vehicle seat 1000 of the present invention, the hip support adjusting device 100 is provided to well solve the problem of no support for the hip, and the height of the support can be adjusted according to the requirements of different users, thereby greatly improving the comfort of the driver and providing more powerful guarantee for driving safety. And the hip support adjustment device 100 can well fill up the gap between the backrest 300 and the seat cushion 400 of the seat, so that the passengers have better comfort experience.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A hip support adjustment device (100) of a seat, comprising:

a lock assembly (1), said lock assembly (1) being adapted to be mounted between a backrest (300) and a seat cushion (400), said lock assembly (1) having a lock tooth (11);

the rotary gear assembly (2), the rotary gear assembly (2) is rotatably connected with the locking assembly (1), and the rotary gear assembly (2) is provided with rotary teeth (22);

the supporting assembly (3), the supporting assembly (3) is installed on the rotating tooth assembly (2), the supporting assembly (3) is provided with a driving part, the driving part is used for driving the rotating tooth (22) to be selectively locked or unlocked with the locking tooth (11), and the supporting assembly (3) is provided with a hip supporting surface used for supporting the hip of a user.

2. The seat hip-support adjustment device (100) according to claim 1, wherein the swivel tooth assembly (2) comprises a mounting plate (21), the mounting plate (21) being rotatably connected to the locking assembly (1), the swivel tooth (22) being rotatably connected to the mounting plate (21); wherein

The locking tooth (11) has a plurality of engaging tooth grooves (12), and the rotary tooth (22) has a spur tooth section (23), wherein the spur tooth section (23) is used for engaging with one of the engaging tooth grooves (12).

3. The hip-support adjustment device (100) of a seat according to claim 2, characterized in that the locking tooth (11) further has a first limit protrusion (13) and a second limit protrusion (14), the plurality of engaging tooth grooves (12) are located between the first limit protrusion (13) and the second limit protrusion (14) and the corresponding gear positions of the plurality of engaging tooth portions are sequentially increased from the first limit protrusion (13) to the second limit protrusion (14), and the first limit protrusion (13) and the second limit protrusion (14) are each configured to protrude from a tooth crest between two adjacent engaging tooth grooves (12).

4. The hip-support adjustment device (100) of a seat according to claim 3, characterized in that the rotary gear assembly (2) further comprises a pretension spring (24), one end of the pretension spring (24) being resiliently pressed against the mounting plate (21) and the other end being resiliently pressed against the rotary gear (22), the pretension spring (24) being configured for pretensioning the toothed spur portion (23) towards the direction of approaching the engagement tooth slot (12), the second limit projection (14) when the toothed spur portion (23) is located between the first limit projection (13) and the second limit projection (14).

5. The hip-support adjustment device (100) of a seat according to claim 4, characterized in that the pretension spring (24) is configured to spring pretension the toothed spur portion (23) towards the direction of approach to the first limit projection (13) after the toothed spur portion (23) is pressed against the second limit projection (14).

6. The hip-support adjustment device (100) of a seat according to claim 4, wherein the rotary gear assembly (2) further comprises a pull strap (5), the pull strap (5) being connected to the rotary gear (22) and being adapted to pull the spur portion (23) towards the first limit spur (13).

7. The hip-support adjustment device (100) of a seat according to any one of claims 1 to 6, further comprising: reset torsion spring (41) and construction pin axle (42), it passes through to change tooth assembly (2) construction pin axle (42) rotationally install in locking assembly (1), reset torsion spring (41) cover is located the outer and both ends of construction pin axle (42) respectively with change tooth assembly (2) with locking assembly (1) links to each other, reset torsion spring (41) are used for with it is close to change tooth assembly (2) orientation elasticity pretension of cushion (400).

8. The hip-support adjustment device (100) of a seat according to any one of claims 1 to 6, wherein the rotary gear assemblies (2) and the locking assemblies (1) are each in two sets, and the two sets of rotary gear assemblies (2) cooperate with the two sets of locking assemblies (1) in a one-to-one correspondence; wherein

The two sets of the rotating tooth assemblies (2) are fixedly connected through a first connecting piece (43), and the two sets of the locking assemblies (1) are fixedly connected through a second connecting piece (44).

9. The hip-support adjustment device (100) of a seat according to any one of claims 1 to 6, wherein the support assembly (3) comprises a support plate (32), a foam (33) and a face sleeve (34), the drive portion is configured as a rotary catch (31), the rotary catch (31) is mounted to the support plate (32), the foam (33) is mounted to the support plate (32), and the face sleeve (34) is sleeved outside the foam (33).

10. A vehicle seat (1000), comprising: a mounting frame (200), a backrest (300), a seat cushion (400) and the hip-support adjustment device (100) of a seat according to any one of claims 1 to 9, the mounting frame (200) being mounted between the backrest (300) and the seat cushion (400), and the locking assembly (1) being fixedly connected to the mounting frame (200).