CN220314809U

CN220314809U - Leg clamping prevention support structure and automobile seat with same

Info

Publication number: CN220314809U
Application number: CN202321664136.3U
Authority: CN
Inventors: 陈建芳; 刘人鑫; 田建明; 赵培杰; 丁美娟
Original assignee: GAC Component Co Ltd
Current assignee: GAC Component Co Ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-01-09
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses an anti-pinch leg support structure which comprises a cushion foam, a leg support foam and a leg support turnover mechanism, wherein the leg support foam is installed on the leg support turnover mechanism, the cushion foam is provided with an extension section, the extension section is positioned at one end of the cushion foam, which is close to the leg support foam, the extension section and the cushion foam are integrally formed, the extension section is provided with a rigid support piece, the rigid support piece is fixedly connected with a connecting piece, and the connecting piece is fixedly connected with the leg support turnover mechanism. An automobile seat comprises the anti-pinch leg support structure. The utility model has the beneficial effects that: the gap between the leg support foaming and the cushion foaming is blocked by the extension section, limbs of an occupant can be prevented from entering the gap between the foaming cushion and the leg support foaming, so that the occupant is prevented from being clamped and injured by the leg support structure in the movement process, the advantage of good safety is achieved, and the riding comfort level can be improved.

Description

Leg clamping prevention support structure and automobile seat with same

Technical Field

The utility model relates to the technical field of leg support structures, in particular to an anti-clamping leg support structure and an automobile seat with the same.

Background

With the rapid development of the automobile industry and the continuous improvement of the requirements of people on driving comfort, the functional requirements of drivers and passengers on automobile seats are also continuously diversified. The leg support function of the automobile seat is one of important functions for providing the support of the lower legs or the thighs for the passengers, and can effectively help the passengers to relax leg muscles after sitting for a long time, so that the sitting comfort of the passengers is improved. The automobile seat with the leg support function has the advantages that the leg support mechanism and components thereof are separated from the automobile seat body, the risk of clamping the legs of passengers exists in the leg support recovery process, the riding experience of the passengers is greatly influenced, the riding safety of the passengers is even endangered, and the travel is influenced.

Chinese patent publication No. CN114228588B discloses a multi-stage telescopic leg rest for a seat. The leg rest includes a single motor assembly, a chassis assembly, a drive system sleeved on the chassis assembly, and at least one end frame assembly sleeved on the first frame assembly. The transmission system comprises a connecting bracket, an inner moving assembly and a first outer frame assembly, wherein the bottom frame assembly, the inner moving assembly and the first outer frame assembly are connected with each other through a first layer of gear rack set and can longitudinally reciprocate relative to each other, and the inner moving assembly, the first outer frame assembly and the first end outer frame assembly are connected with each other through a last layer of gear rack set and can longitudinally reciprocate relative to each other.

In the multistage telescopic leg support, a large gap exists between the leg support and the cushion, limbs easily enter the gap between the leg support and the cushion when a passenger sits, and the passenger is easily clamped and injured when the leg support mechanism moves, so that the problem of poor safety is caused.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide an anti-pinch leg support structure, which comprises a cushion foaming mechanism, a leg support foaming mechanism and a leg support overturning mechanism, and also provides an automobile seat, comprising the anti-pinch leg support structure. The leg clamping prevention support structure has the advantage of good safety.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a prevent pressing from both sides leg and hold in palm structure, includes cushion foaming, leg holds in the palm tilting mechanism, the leg holds in the palm the foaming and installs on leg holds in the palm tilting mechanism, the cushion foaming is equipped with the extension section, the extension section is located the cushion foaming and is close to the one end that the leg held in the palm the foaming, extension section and cushion foaming integrated into one piece, the extension section is equipped with rigid support spare, rigid support spare fixedly connected with connecting piece, connecting piece and leg hold in the palm tilting mechanism fixed connection.

By such arrangement: the limb of the passenger can be prevented from entering between the foaming cushion and the leg support foaming, so that the passenger is prevented from being clamped and injured by the leg support structure in the movement process, the advantage of good safety is achieved, and the riding comfort level can be improved. The rigid support piece makes the extension section keep the state of expansion, prevents that the extension section from leading to it unable to block the gap between leg support foaming and the cushion foaming because of the deformation, and leg support tilting mechanism passes through the connecting piece and drives rigid support piece and leg support foaming motion, keeps the extension section and can block the gap between leg support foaming and the cushion foaming, plays the effect of further improving the security.

Preferably, the rigid support member extends along the width direction of the cushion foam, and the two ends of the rigid support member are provided with bending sections.

By such arrangement: the expansion is ensured to be kept in an unfolding state in the foaming width direction of the cushion, the supporting range of the rigid supporting piece on the extension section is increased, and the effect of further improving the safety can be achieved.

Preferably, the rigid support is provided with reinforcing ribs.

By such arrangement: ensuring that the rigid support member provides a stable support force for the extension.

Preferably, the rigid support piece and the reinforcing ribs are fixedly connected with the connecting piece.

By such arrangement: can play a role in improving the structural stability.

Preferably, the two ends of the reinforcing rib are provided with bending sections, the bending sections are fixedly connected with the rigid support piece, a gap is formed between the reinforcing rib and the rigid support piece, and the reinforcing rib is abutted to the extension section.

By such arrangement: the reinforcing ribs and the rigid supporting piece form gaps, the supporting range of the extension section can be enlarged through the reinforcing ribs, the effect of further improving safety is achieved, and the structural stability of the connecting piece can be improved.

Preferably, the leg support turnover mechanism comprises a fixing piece, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a turnover frame, wherein the first connecting rod and the second connecting rod are respectively and rotatably connected with the fixing piece, the third connecting rod and the fourth connecting rod are respectively and rotatably connected with the turnover frame, the first connecting rod and the third connecting rod are rotatably connected, the second connecting rod and the fourth connecting rod are rotatably connected, the second connecting rod is rotatably connected with the third connecting rod, and a crank rocker driving assembly is arranged between the fixing piece and the second connecting rod.

By such arrangement: realize driving the function of foaming upset of leg rest through leg rest tilting mechanism.

Preferably, the crank rocker driving assembly comprises a first rotating seat, a first thread bush, a first screw rod and a connecting column, wherein the first rotating seat is rotationally connected with the fixing piece, the first thread bush is rotatably installed on the first rotating seat, the first thread bush is in threaded connection with the first screw rod, the connecting column is fixedly connected with the second connecting rod, the connecting column is fixedly connected with a connecting plate, the first screw rod is rotationally connected with the connecting plate, and the first rotating seat is provided with a first driving piece with an output end connected with the first thread bush.

By such arrangement: the function of driving the second connecting rod to rotate on the fixing piece by the crank rocker driving assembly is realized.

Preferably, an extension frame is arranged between the leg support turnover mechanism and the leg support foaming, the extension frame is in sliding connection with the leg support turnover mechanism, the leg support foaming is fixedly connected with the extension frame, and a crank block driving assembly is arranged between the extension frame and the leg support turnover mechanism.

By such arrangement: realize that leg holds in palm the whole extension and withdraw of structure, satisfy different user demands, play the effect that improves the suitability.

Preferably, the crank block driving assembly comprises a second rotating seat, a second thread bush and a second screw rod, wherein the second rotating seat is rotationally connected with the leg support turnover mechanism, the second thread bush is rotatably arranged on the second rotating seat and is in threaded connection with the second screw rod, the second screw rod is rotationally connected with the extension frame, and the second rotating seat is provided with a second driving piece with an output end connected with the second thread bush.

By such arrangement: realize the function that slider-crank drive assembly drive extension frame removed.

An automobile seat comprises the anti-pinch leg support structure.

By such arrangement: the limb of the passenger on the seat can be prevented from entering between the foaming cushion and the leg support foaming, so that the passenger is prevented from being clamped and injured by the leg support structure in the movement process, the advantage of good safety is achieved, and the riding comfort level can be improved.

Compared with the prior art, the utility model has the beneficial technical effects that:

1. set up the extension section between cushion foaming and leg support foaming to can block the gap between leg support foaming and the cushion foaming through the extension section, can prevent that passenger's limbs from getting into between foaming cushion and the leg support foaming, thereby prevent that the leg support structure from pressing from both sides the passenger and damaging in the motion process, play the better advantage of security, and can improve and take the comfort level.

2. The rigid support piece can provide the effect of support for the extension section, makes the extension section keep the state of expanding, prevents that the extension section from being unable to block the gap between leg rest foaming and the cushion foaming because of the deformation, plays the effect of further improving the security.

3. The leg support turnover mechanism drives the rigid supporting piece to move through the connecting piece, so that the leg support foaming can move along with the movement of the leg support turnover mechanism, the holding extension section can block a gap between the leg support foaming and the cushion foaming, and the effect of further improving safety is achieved.

Drawings

FIG. 1 is a schematic view of a leg clamping prevention support structure according to embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the structure of a rigid support member in embodiment 1 of the present utility model;

FIG. 3 is a schematic view showing the structure of a leg rest turnover mechanism in embodiment 1 of the present utility model;

FIG. 4 is a schematic view showing the structure of a first thread bush in embodiment 1 of the present utility model;

FIG. 5 is a schematic view showing the structure of a second thread bush in embodiment 1 of the present utility model;

fig. 6 is a schematic view showing the structure of a car seat according to embodiment 2 of the present utility model.

Wherein, the technical characteristics that each reference sign indicates are as follows:

11. foaming a cushion; 12. foaming the leg support; 13. an extension section; 21. a rigid support; 22. a connecting piece; 23. a bending section; 24. reinforcing ribs; 25. a curved section; 26. a gap; 31. a first link; 32. a second link; 33. a third link; 34. a fourth link; 35. a turnover frame; 36. a fixing member; 41. a first rotating seat; 42. a first threaded sleeve; 43. a first screw rod; 44. a connecting column; 45. a connecting plate; 46. a first driving member; 47. a first worm; 48. a first worm wheel; 51. an extension frame; 52. a second rotating seat; 53. a second threaded sleeve; 54. a second screw rod; 55. a second driving member; 56. a second worm; 57. a second worm wheel; 61. a seat body.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, but the scope of the present utility model is not limited to the following specific examples.

Example 1:

referring to fig. 1 and 2, a leg clamping prevention support structure comprises a cushion foam 11, a leg support foam 12 and a leg support turnover mechanism, wherein the leg support foam 12 is arranged on the leg support turnover mechanism, and the cushion foam 11 is arranged on a fixed seat frame. The cushion foam 11 is provided with an extension section 13, the extension section 13 is positioned at one end of the cushion foam 11, which is close to the leg support foam 12, the extension section 13 and the cushion foam 11 are integrally formed, the extension section 13 is provided with a rigid support piece 21, the rigid support piece 21 is fixedly connected with a connecting piece 22, the connecting piece 22 is plate-shaped, and the connecting piece 22 is fixedly connected with the leg support turnover mechanism. The rigid support member 21 extends in the width direction of the cushion foam 11, and both ends of the rigid support member 21 are provided with bending sections 23.

The rigid support member 21 is provided with reinforcing ribs 24, the rigid support member 21 and the reinforcing ribs 24 are strip-shaped, and the reinforcing ribs 24 are fixedly connected with the connecting members 22. The both ends of strengthening rib 24 are equipped with bending section 25, and bending section 25 and rigid support 21 fixed connection are equipped with clearance 26 between strengthening rib 24 and the rigid support 21, and strengthening rib 24 and extension 13 butt.

Referring to fig. 3 and 4, the leg rest flip mechanism includes a fixing piece 36, a first link 31, a second link 32, a third link 33, a fourth link 34, and a flip frame 35, the fixing piece 36 being connected with the seat frame. The first connecting rod 31 and the second connecting rod 32 are respectively and rotatably connected with a fixing piece 36, the third connecting rod 33 and the fourth connecting rod 34 are respectively and rotatably connected with a turnover frame 35, the first connecting rod 31 and the third connecting rod 33 are rotatably connected, the second connecting rod 32 and the fourth connecting rod 34 are rotatably connected, the second connecting rod 32 is rotatably connected with the third connecting rod 33, and a crank and rocker driving assembly is arranged between the fixing piece 36 and the second connecting rod 32. The crank rocker driving assembly comprises a first rotating seat 41, a first threaded sleeve 42, a first screw rod 43 and a connecting column 44, wherein the first rotating seat 41 is rotationally connected with the fixing piece 36, the first threaded sleeve 42 is rotationally arranged on the first rotating seat 41, the first threaded sleeve 42 is in threaded connection with the first screw rod 43, the connecting column 44 is fixedly connected with the second connecting rod 32, the connecting column 44 is fixedly connected with a connecting plate 45, the first screw rod 43 is rotationally connected with the connecting plate 45, the first rotating seat 41 is provided with a first driving piece 46, the output end of which is connected with the first threaded sleeve 42, and the first driving piece 46 is a motor. In this embodiment, the output end of the first driving member 46 is fixedly connected with a first worm 47, the first threaded sleeve 42 is fixedly connected with a first worm wheel 48 meshed with the first worm 47, and the first driving member 46 drives the first threaded sleeve 42 to rotate through the first worm 47 and the first worm wheel 48.

Referring to fig. 3 and 5, an extension frame 51 is arranged between the leg support turnover mechanism and the leg support turnover mechanism 12, the extension frame 51 is in sliding connection with the leg support turnover mechanism, the leg support turnover mechanism 12 is fixedly connected with the extension frame 51, and a crank block driving assembly is arranged between the extension frame 51 and the leg support turnover mechanism. The extension frame 51 is slidably connected to the flip frame 35, and the second rotating seat 52 is rotatably connected to the flip frame 35. The crank block driving assembly comprises a second rotating seat 52, a second threaded sleeve 53 and a second screw rod 54, wherein the second rotating seat 52 is rotationally connected with the leg support turnover mechanism, the second threaded sleeve 53 is rotationally arranged on the second rotating seat 52, the second threaded sleeve 53 is in threaded connection with the second screw rod 54, the second screw rod 54 is rotationally connected with the extension frame 51, the second rotating seat 52 is provided with a second driving piece 55, the output end of which is connected with the second threaded sleeve 53, and the second driving piece 55 is a motor. In this embodiment, the output end of the second driving member 55 is fixedly connected with a second worm 56, the second threaded sleeve 53 is fixedly connected with a second worm wheel 57 meshed with the second worm 56, and the second driving member 55 drives the second threaded sleeve 53 to rotate through the second worm 56 and the second worm wheel 57.

This embodiment has the following advantages:

set up extension 13 between cushion foaming 11 and leg support foaming 12 to can keep off the gap between leg support foaming 12 and the cushion foaming 11 through extension 13, can prevent that passenger's limbs from getting into between foaming cushion and the leg support foaming 12, thereby prevent that the leg support structure from pressing from both sides the passenger and damaging in the motion in-process, play the better advantage of security, and can improve the riding comfort level.

The rigid support member 21 can provide a supporting function for the extension section 13, so that the extension section 13 is kept in a unfolded state, and the extension section 13 is prevented from being unable to block the gap between the leg rest foam 12 and the cushion foam 11 due to deformation, thereby further improving the safety.

The leg support turnover mechanism drives the rigid supporting piece 21 to move through the connecting piece 22, so that the leg support foaming 12 can move along with the movement of the leg support turnover mechanism, the holding extension section 13 can block a gap between the leg support foaming 12 and the cushion foaming 11, and the effect of further improving safety is achieved.

The length direction of the rigid support piece 21 is the width direction of the cushion foam 11, so that the rigid support piece 21 can provide support for the extension section 13 in a larger range in the width direction of the cushion foam 11, the extension section 13 is ensured to be extended to keep an unfolding state in the width direction of the cushion foam 11, and the extension section 13 is ensured to block gaps between the leg support foam 12 and the cushion foam 11, so that the effect of further improving safety is achieved. The bending section 23 can increase the support range of the rigid support member 21 on the extension section 13, and can also serve to further improve safety.

The reinforcing ribs 24 can improve the structural stability of the rigid support member 21, and ensure that the rigid support member 21 can provide stable supporting force to the extension section 13.

The reinforcing ribs 24, the rigid support member 21 and the connecting member 22 are fixedly connected with each other, and can play a role in improving structural stability.

The reinforcing rib 24 is connected with the rigid support member 21 through the bending section 25, so that a gap 26 is formed between the reinforcing rib 24 and the rigid support member 21, and the distance between the reinforcing rib 24 and the rigid support member 21 is increased, so that the supporting range of the extension section 13 can be increased through the reinforcing rib 24, the extension section 13 can be kept to block the gap between the leg rest foam 12 and the cushion foam 11, the effect of further improving safety is achieved, and the structural stability of the connecting piece 22 can be improved.

The crank rocker driving assembly drives the second connecting rod 32 to rotate on the fixing piece 36, the second connecting rod 32 drives the third connecting rod 33 and the fourth connecting rod 34 to move, and the overturning frame 35 and the leg rest foam 12 are driven to overturn through the third connecting rod 33 and the fourth connecting rod 34. The angular limitation is performed by the first link 31 so that the third link 33, the fourth link 34 and the flip frame 35 remain stationary when the crank and rocker drive assembly stops moving. The function of driving the leg support foaming 12 to overturn through the leg support overturning mechanism is realized.

The first driving piece 46 drives the first thread bush 42 to rotate on the first rotating seat 41, so that the first screw rod 43 in threaded connection with the first thread bush 42 moves, the second connecting rod 32 is pushed to rotate on the fixing piece 36 through the first screw rod 43, and the function that the crank rocker driving assembly drives the second connecting rod 32 to rotate on the fixing piece 36 is achieved.

The crank block driving assembly drives the extension frame 51 to slide on the leg support turnover mechanism, so that the leg support foaming 12 is driven to move, the position of the leg support foaming 12 is regulated, the integral extension and retraction of the leg support structure are realized, different use requirements are met, and the function of improving the applicability is achieved.

The second driving piece 55 drives the second threaded sleeve 53 to rotate on the second rotating seat 52 and drives the second screw rod 54 in threaded connection with the second threaded sleeve 53 to move, so that the second screw rod 54 drives the extension frame 51 to slide on the leg support turnover mechanism. The function of driving the extension frame 51 to move by the crank block driving assembly is realized.

Example 2:

referring to fig. 6, an automobile seat includes a seat body 61 and the leg-pinching prevention support structure of embodiment 1, a cushion foam 11 is fixedly mounted on the seat body 61, and an extension 13 and a leg-supporting foam 12 are located at the front of the seat body 61.

This embodiment has the following advantages:

the leg clamping prevention support structure is used in the automobile seat, limbs of passengers on the seat can be prevented from entering between the foaming cushion and the leg support foaming 12, so that the passengers are prevented from being clamped and injured by the leg support structure in the movement process, the advantage of good safety is achieved, and the riding comfort level can be improved.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not constitute any limitation on the utility model.

Claims

1. The utility model provides a prevent pressing from both sides leg and hold in palm structure, includes cushion foaming (11), leg holds in the palm foaming (12), leg holds in the palm tilting mechanism, leg holds in the palm foaming (12) and installs on leg holds in the palm tilting mechanism, its characterized in that: the seat cushion foam (11) is provided with an extension section (13), the extension section (13) is located at one end of the seat cushion foam (11) close to the leg support foam (12), the extension section (13) and the seat cushion foam (11) are integrally formed, the extension section (13) is provided with a rigid support piece (21), the rigid support piece (21) is fixedly connected with a connecting piece (22), and the connecting piece (22) is fixedly connected with the leg support turnover mechanism.

2. The anti-pinch leg rest structure according to claim 1, wherein: the rigid support piece (21) extends along the width direction of the cushion foam (11), and the two ends of the rigid support piece (21) are provided with bending sections (23).

3. The anti-pinch leg rest structure according to claim 1, wherein: the rigid support (21) is provided with reinforcing ribs (24).

4. The anti-pinch leg rest structure according to claim 3, wherein: the rigid supporting piece (21) and the reinforcing rib (24) are fixedly connected with the connecting piece (22).

5. The anti-pinch leg rest structure according to claim 4, wherein: the two ends of the reinforcing rib (24) are provided with bending sections (25), the bending sections (25) are fixedly connected with the rigid support piece (21), a gap (26) is formed between the reinforcing rib (24) and the rigid support piece (21), and the reinforcing rib (24) is abutted to the extension section (13).

6. The anti-pinch leg rest structure according to claim 1, wherein: the leg holds in palm tilting mechanism includes mounting (36), first connecting rod (31), second connecting rod (32), third connecting rod (33), fourth connecting rod (34) and upset frame (35), first connecting rod (31) and second connecting rod (32) rotate with mounting (36) respectively and are connected, third connecting rod (33) and fourth connecting rod (34) rotate with upset frame (35) respectively and are connected, first connecting rod (31) and third connecting rod (33) rotate and are connected, second connecting rod (32) and fourth connecting rod (34) rotate and are connected, second connecting rod (32) rotate with third connecting rod (33) and are connected, be equipped with crank rocker drive assembly between mounting (36) and second connecting rod (32).

7. The anti-pinch leg rest structure of claim 6, wherein: the crank rocker driving assembly comprises a first rotating seat (41), a first threaded sleeve (42), a first screw rod (43) and a connecting column (44), wherein the first rotating seat (41) is rotationally connected with a fixing piece (36), the first threaded sleeve (42) is rotatably installed on the first rotating seat (41), the first threaded sleeve (42) is in threaded connection with the first screw rod (43), the connecting column (44) is fixedly connected with a second connecting rod (32), the connecting column (44) is fixedly connected with a connecting plate (45), the first screw rod (43) is rotationally connected with the connecting plate (45), and the first rotating seat (41) is provided with a first driving piece (46) with an output end connected with the first threaded sleeve (42).

8. The anti-pinch leg rest structure according to claim 1, wherein: an extension frame (51) is arranged between the leg support turnover mechanism and the leg support turnover mechanism (12), the extension frame (51) is in sliding connection with the leg support turnover mechanism, the leg support turnover mechanism (12) is fixedly connected with the extension frame (51), and a crank block driving assembly is arranged between the extension frame (51) and the leg support turnover mechanism.

9. The anti-pinch leg rest structure of claim 8, wherein: the crank block driving assembly comprises a second rotating seat (52), a second threaded sleeve (53) and a second screw rod (54), the second rotating seat (52) is rotationally connected with the leg support turnover mechanism, the second threaded sleeve (53) is rotatably installed on the second rotating seat (52), the second threaded sleeve (53) is in threaded connection with the second screw rod (54), the second screw rod (54) is rotationally connected with the extension frame (51), and the second rotating seat (52) is provided with a second driving piece (55) with an output end connected with the second threaded sleeve (53).

10. An automobile seat, characterized in that: comprising an anti-pinch leg rest structure according to any one of claims 1 to 9.