Leg support structure with adjustable side wings

Abstract

The utility model relates to a leg support structure with adjustable side wings. The leg support structure comprises a leg support assembly; the pair of side wing frames are rotatably arranged on the leg support assembly, the pair of side wing frames are arranged on the two sides of the leg support assembly, and the side wing frames can be rotatably adjusted to be in an inclined supporting state. By arranging the rotatable side wing frames, the side wing frames can be rotationally adjusted to be in the inclined supporting state in the using process, when the legs of a user are placed on the leg support assembly, the side wing frames in the supporting state provide lateral supporting for the legs of the user, the problem that the legs of the user slide laterally is avoided, and the using experience of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a leg support structure of a car seat, in particular to a leg support structure with adjustable side wings. Background Art

[0002] With the diversification of car usage scenarios, users' demand for products has increased. Currently, most seat leg rests on the market are flat-surface designs, which do not provide active lateral support for human legs when in use. When the calves are relaxed or the vehicle makes a sharp turn, the legs are prone to sliding sideways. Utility Model Content

[0003] The utility model aims to overcome the defects of the prior art and provide a leg support structure with adjustable side wings to solve the problem that the prior leg support has no active lateral support and is prone to lateral sliding of the human leg.

[0004] The technical solution to achieve the above purpose is:

[0005] The utility model provides a leg support structure with adjustable side wings, comprising:

[0006] Leg rest assembly;

[0007] A pair of side wing frames are rotatably arranged on the leg rest assembly, wherein the pair of side wing frames are arranged on both sides of the leg rest assembly, and the side wing frames can be rotatably adjusted to an inclined supporting state.

[0008] A further improvement of the leg rest structure with adjustable side wings of the utility model is that the side wing frames are rotatably arranged on the plate surface of the support plate of the leg rest assembly.

[0009] A further improvement of the leg support structure with adjustable side wings of the utility model is that it also includes a driving mechanism arranged on the leg support assembly, the driving mechanism is driven and connected to the side wing frame, and the driving mechanism can drive the side wing frame to rotate and adjust.

[0010] A further improvement of the leg support structure with adjustable side wings of the utility model is that the driving mechanism includes an air bag connected to the leg support assembly and located below the side wing frame and a pneumatic system connected to the air bag;

[0011] The pneumatic system is controlled to inflate or deflate the airbag, so that the airbag is deformed and the side wing frame is driven to rotate and adjust.

[0012] A further improvement of the leg support structure with adjustable side wings of the utility model is that a mounting portion is provided on the side of the air bag, and the mounting portion is connected and fixed to the leg support assembly;

[0013] A groove is provided on the side portion of the side wing frame corresponding to the assembly portion.

[0014] A further improvement of the leg support structure with adjustable side wings of the utility model is that the driving mechanism comprises a driving member arranged on the leg support assembly and a connecting rod connected to the driving member;

[0015] The other end of the connecting rod is connected to the side wing frame;

[0016] The driving member can drive the end of the connecting rod to move and adjust laterally along the plate surface of the support plate of the leg support assembly, and then the other end of the connecting rod can drive the side wing frame to rotate and adjust.

[0017] A further improvement of the leg support structure with adjustable side wings of the utility model is that the driving member comprises a driving motor provided on the leg support assembly and a transverse threaded rod connected to the driving motor;

[0018] The driving motor can drive the transverse threaded rod to move and adjust transversely along the plate surface of the support plate of the leg support assembly, and the end of the transverse threaded rod is connected to the end of the connecting rod.

[0019] A further improvement of the leg support structure with adjustable side wings of the utility model is that the driving member is an electric cylinder or a pneumatic cylinder arranged laterally, and the telescopic rod of the electric cylinder or the pneumatic cylinder is connected to the connecting rod.

[0020] A further improvement of the leg support structure with adjustable side wings of the utility model is that a slide groove is provided on the leg support assembly corresponding to the side wings, and the slide groove is arranged in a transverse direction;

[0021] The connecting portion of the side wing frame is slidably arranged in the slide groove, and the side wing frame can also be moved and adjusted along the slide groove when rotating and adjusting.

[0022] A further improvement of the leg support structure with adjustable side wings of the utility model is that a massage air bag is arranged on the support plate of the leg support assembly.

[0023] The beneficial effects of the leg support structure with adjustable side wings of the utility model are:

[0024] The leg rest structure with adjustable side wings of the utility model is provided with rotatable side wing frames, so that the side wing frames can be rotated and adjusted to an inclined supporting state when in use. When the user's legs are placed on the leg rest assembly, the side wing frames in the supporting state provide lateral support for the user's legs, avoiding the problem of lateral sliding of the user's legs, thereby improving the user's experience.

[0025] The side wing frame of the leg support structure with adjustable side wings of the utility model is driven to rotate by a provided driving mechanism, and the driving mechanism can adjust the rotation angle of the side wing frame according to the actual needs of the user, so that the inclination angle of the side wing frame can meet the needs of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the first embodiment of the leg support structure with adjustable side wings of the utility model.

[0027] Figure 2 It is a side view of the first embodiment of the leg support structure with adjustable side wings of the utility model.

[0028] Figure 3 It is a structural schematic diagram of the side wing frame in a supporting state in the first embodiment of the leg support structure with adjustable side wings of the utility model.

[0029] Figure 4 It is a schematic diagram of the exploded structure of the first embodiment of the leg support structure with adjustable side wings of the utility model.

[0030] Figure 5 It is a structural schematic diagram of a second embodiment of the leg support structure with adjustable side wings of the utility model.

[0031] Figure 6 It is a schematic diagram of the back structure of the second embodiment of the leg support structure with adjustable side wings of the utility model.

[0032] Figure 7 It is a schematic diagram of the exploded structure of the second embodiment of the leg support structure with adjustable side wings of the utility model.

[0033] Figure 8 It is a side view of a second embodiment of the leg support structure with adjustable side wings of the utility model.

[0034] Fig. 9 It is a side view of a third embodiment of the leg support structure with adjustable side wings of the present invention.

[0035] Fig.10 This is a structural schematic diagram of a first embodiment of the leg support structure with adjustable side wings of the utility model, in which a massage air bag is arranged.

[0036] Fig.11 The utility model is a schematic structural diagram of a massage air bag assembled on a leg support structure with adjustable side wings.

[0037] Fig.12 for Fig.10 Side view of the structure shown.

[0038] Fig.13This is a structural schematic diagram of a first embodiment of the leg support structure with adjustable side wings of the utility model, in which a massage air bag is provided and the side wing frame is in a supporting state.

[0039] Explanation of the reference numerals: leg rest assembly 21; support plate 211; plate surface 2111; connecting portion 2112; slide groove 212; connecting seat 213; bracket 214; wing frame 22; groove 221; connecting portion 222; mounting portion 223; driving mechanism 23; air bag 231; assembly portion 2311; air pipe 232; driving member 233; driving motor 2331; transverse threaded rod 2332; connecting rod 234; massage air bag 24; screw 25. DETAILED DESCRIPTION

[0040] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0041] See also Figure 1 The utility model provides a leg support structure with adjustable side wings, which is intended to provide lateral support for the legs, take into account the lateral support of the legs of users of different body shapes, improve the problem of lateral leg sliding, and enhance the user experience. The utility model leg support structure with adjustable side wings is described below in conjunction with the accompanying drawings.

[0042] See also Figure 1 , showing a schematic structural diagram of a first embodiment of a leg support structure with adjustable side wings of the utility model. Figure 4 , showing an exploded structural diagram of the first embodiment of the leg support structure with adjustable side wings of the utility model. Figure 1 and Figure 4 , the leg support structure with adjustable side wings of the utility model is described.

[0043] like Figure 1 and Figure 4 As shown, the leg rest structure with adjustable side wings of the utility model includes a leg rest assembly 21 and a side wing frame 22, wherein a pair of side wing frames 22 are rotatably arranged on the leg rest assembly 21, the pair of side wing frames 22 are arranged on both sides of the leg rest assembly 21, and the side wing frames 22 can be rotatably adjusted to an inclined supporting state.

[0044] The side wing frame 22 is adjusted by rotation. When in use, it can be rotated to an inclined support state to provide lateral support for the legs placed on the leg rest assembly 21 to avoid the problem of lateral sliding of the legs. When not in use, it can be rotated to a straight folded state.

[0045] In a specific embodiment of the present invention, Figures 1 to 3As shown, the side wing frame 22 is rotatably disposed on the board surface 2111 of the support board 211 of the leg support assembly 21, and the board surface 2111 is used to place the user's legs.

[0046] like Figure 2 As shown, when not in use, the side wing frame 22 is attached to the board surface 2111 of the support board 211, and the side wing frame is in a folded state. Figure 3 As shown, when in use, the side wing frames 22 rotate to an inclined supporting state, and the two side wing frames 22 form lateral supports on both sides of the support plate 211.

[0047] Preferably, the inner sides of the pair of side wing frames 22 that are close to each other can be rotatably connected to the plate surface 2111 of the support plate 211, and the outer sides of the pair of side wing frames 22 that are far away from each other can be rotatably adjusted around the inner sides.

[0048] Furthermore, the side wing frame 22 is preferably a plate-shaped structure.

[0049] In a specific embodiment of the present invention, Figure 1 and Figure 4 As shown, the leg support structure of the present invention further includes a driving mechanism 23 disposed on the leg support assembly 21 , and the driving mechanism 23 drives the side wing frame 22 , and the driving mechanism 23 can drive the side wing frame 22 to perform rotation adjustment.

[0050] By providing a driving mechanism 23 to drive the side wing frame 22 to perform rotational adjustment, the inclination angle of the side wing frame 22 can be adjusted according to actual use requirements to take into account the needs of users of different body shapes.

[0051] In the first embodiment, if Figure 1 and Figure 4 As shown, the driving mechanism 23 includes an air bag 231 connected to the leg rest assembly 21 and located under the side wing frame 22, and a pneumatic system connected to the air bag 231; the pneumatic system is controlled to inflate or deflate the air bag 231, so that the air bag 231 is deformed and the side wing frame 22 is driven to rotate and adjust.

[0052] Specifically, at the beginning, Figure 2 As shown, the air bag 231 is not inflated and is flat. At this time, the side wing frame 22 is attached to the air bag 231, and the air bag 231 is attached to the support plate 211 of the leg support assembly 21. Figure 3As shown, the pneumatic system is turned on to inflate the airbag 231. The airbag 231 is inflated and bulges to push the side wing frame 22 upward, so that the side wing frame 22 can be rotated and adjusted around the rotating connection. The side wing frame 22 is in an inclined supporting state. The inclination angle of the side wing frame 22 can be adjusted according to the inflation amount of the airbag 231. The user can adjust the inclination angle of the side wing frame 22 according to his own needs. When the inclination angle of the side wing frame 22 is too large, the airbag 231 can be deflated to reduce the inclination angle of the side wing frame 22. When the inclination angle of the side wing frame 22 is too small, the airbag 231 can be inflated to increase the inclination angle of the side wing frame 22.

[0053] Further, the air bag 231 is connected to an air pipe 232, which is connected to a pneumatic system, which is preferably an electric air pump, capable of inflating or deflation of the air bag 231 through the air pipe 232. In this embodiment, a control button may be provided for the electric air pump, and inflation and deflation may be controlled by the control button.

[0054] In another preferred embodiment, the pneumatic system is a manual inflatable bag, and the air bag 231 is inflated by manually squeezing the inflatable bag. A switch valve and an exhaust valve are set at the air supply pipe 232. The switch valve is used to control whether the air supply pipe 232 is connected to the inflatable bag, and the exhaust valve is used to control the deflation of the air bag 231.

[0055] Furthermore, if Figure 1 and Figure 4 As shown, the side of the air bag 231 is provided with an assembly portion 2311, and the assembly portion 2311 is connected and fixed to the leg support assembly 21; the side of the side wing frame 22 is provided with a groove 221 corresponding to the assembly portion 2311. After installation, the assembly portion 2311 of the air bag 231 is located in the groove 221 of the side wing frame 22, so that the overall installation thickness of the air bag 231 and the side wing frame 22 can be reduced.

[0056] Preferably, a connecting hole 2112 is provided on the support plate 211 of the leg support assembly 21 corresponding to the assembly portion 2311 of the air bag 231 , and the assembly portion 2311 is connected to the connecting hole 2112 by a screw 25 passing therethrough.

[0057] Furthermore, if Figure 1 and Figure 4 As shown, a connecting seat 213 is provided on the plate surface 2111 of the support plate 211 of the leg rest assembly 21 corresponding to the side wing frame 22, and the side portion of the side wing frame 22 is rotatably connected to the connecting seat 213. Preferably, a connecting portion 222 is provided on the side portion of the side wing frame 22, and the connecting portion 222 is rotatably connected to the connecting seat 213.

[0058] In a preferred embodiment, the connection seat 213 is an arc-shaped clamping plate; the connection part 222 on the side of the side wing frame 22 is a rotating shaft, which is clamped on the arc-shaped clamping plate, and the rotating shaft can be rotated and adjusted relative to the arc-shaped clamping plate. Alternatively, a sleeve is sleeved on the outer side of the rotating shaft, and the sleeve is clamped on the arc-shaped clamping plate, so that the rotating shaft can be rotated and adjusted relative to the sleeve and the arc-shaped clamping plate.

[0059] In another preferred embodiment, the connecting seat 213 is a U-shaped seat, and the connecting portion 222 on the side of the wing frame 22 is a connecting plate, which is inserted into the U-shaped seat and then rotatably connected to the U-shaped seat through a pin shaft.

[0060] In another preferred embodiment, the connecting portion 222 of the side wing frame 22 can be rotatably connected to the connecting seat 213 via a hinge.

[0061] In a specific embodiment of the present invention, Figures 5 to 7 As shown, the driving mechanism 23 includes a driving member 233 disposed on the leg support assembly 21 and a connecting rod 234 connected to the driving member 233; the other end of the connecting rod 234 is connected to the side wing frame 22; Figure 8 As shown, the driving member 233 can drive the end of the connecting rod 234 to move laterally along the plate surface 2111 of the support plate 211 of the leg support assembly 21, and then the other end of the connecting rod 234 drives the side wing frame 22 to rotate and adjust.

[0062] The lateral direction of the plate surface 2111 of the support plate 211 is Figure 8 In the direction indicated by X in the figure, when the driving member 233 drives the end of the connecting rod 234 to move and adjust along the direction X toward the outside of the leg support assembly 21, the other end of the connecting rod 234 pushes the outside of the side wing frame 22 to lift upward, so as to drive the side wing frame 22 to rotate and adjust, and the side wing frame 22 is rotated and adjusted to the supporting state. When the driving member 233 drives the end of the connecting rod 234 to move and adjust along the direction X toward the inside of the leg support assembly 21, the other end of the connecting rod 234 pulls the outside of the side wing frame 22 back downward, so as to drive the side wing frame 22 to rotate and adjust, and the side wing frame 22 is rotated and adjusted to the folded state.

[0063] In a preferred embodiment, Figures 5 to 8As shown, the driving member 233 includes a driving motor 2331 disposed on the leg support assembly 21 and a transverse threaded rod 2332 connected to the driving motor 2334. The driving motor 2331 can drive the transverse threaded rod 2332 to move laterally along the plate surface 2111 of the support plate 211 of the leg support assembly 21, and the end of the transverse threaded rod 2332 is connected to the end of the connecting rod 234. In this way, the driving motor 2331 drives the transverse threaded rod 2332 to move laterally, and the transverse threaded rod 2332 moves laterally with the connecting rod 234, thereby realizing the driving side wing frame 22 to rotate and adjust. Preferably, the driving motor 2331 can drive the nut threadedly connected to the transverse threaded rod 2332 to rotate through a 90-degree bevel gear. In the case of limiting the displacement of the nut, the transverse threaded rod 2332 can be adjusted to move laterally relative to the nut.

[0064] In another preferred embodiment, the driving member 233 is a transversely arranged electric cylinder or air cylinder, and the telescopic rod of the electric cylinder or air cylinder is connected to the connecting rod 234. The electric cylinder or air cylinder can drive the telescopic rod to extend and retract and bring the connecting rod 234 to perform transverse movement adjustment.

[0065] Furthermore, in the second embodiment, if Figures 6 to 8 As shown, a bracket 214 is provided on the back of the support plate 211 of the leg support assembly 21 corresponding to the driving member 233 , and the driving member 233 is installed on the bracket 214 .

[0066] An opening is provided on the support plate 211 corresponding to the connecting rod 234 , and an end of the connecting rod 234 passes through the opening on the support plate 211 and is connected to the side wing frame 22 .

[0067] Preferably, the connecting rod 234 is U-shaped, the two ends of the U-shape are connected to the corresponding side wing frames 22 , and the middle part of the closed end of the U-shape is connected to the driving member 233 .

[0068] Furthermore, the end of the connecting rod 234 is hingedly connected to the corresponding side wing frame 22, and the connecting rod 234 is also hingedly connected to the driving member 233. Preferably, the end of the connecting rod 234 is hingedly connected to the side wing frame 22 by bolts, rivets or pins. The end of the driving member 233 is sleeved on the closed end of the connecting rod 234, so that the connecting rod 234 can rotate relative to the driving member 233.

[0069] Furthermore, a connecting portion 222 and a mounting portion 223 connected to the connecting rod 234 are provided on the bottom surface of the side wing frame 22, the connecting portion 222 is hingedly connected to the connecting seat 213 provided on the support plate 221, and the mounting portion 223 is hingedly connected to the end of the connecting rod 234. Preferably, the connecting portion 222 and the mounting portion 223 are ear plates. The ear plates are hingedly connected to the corresponding connecting seat 213 and the end of the connecting rod 234 by bolts, rivets or pins.

[0070] Preferably, the connecting portion 222 is disposed close to the inner side of the side wing frame 22 , and the mounting portion 223 is disposed close to the outer side of the side wing frame 22 .

[0071] In a specific embodiment of the present invention, Fig. 9 As shown, a slide groove 212 is provided on the leg support assembly 21 corresponding to the side wing frame 22, and the slide groove 212 is arranged horizontally; the connecting portion 222 of the side wing frame 22 is slidably arranged in the slide groove 212, and the side wing frame 22 can also be moved and adjusted along the slide groove 212 when rotating and adjusting.

[0072] By providing a transverse slide groove 212, when the side wing frame 22 is rotated to a supporting state, the end of the side wing frame 22 can move toward the outside of the support plate 211 along the slide groove 212 to avoid occupying too much area of ​​the support plate 211, so that the support plate 211 has more space to place the user's legs.

[0073] Furthermore, a slide groove 212 is provided on the connecting seat 213 of the supporting plate 211 of the leg support assembly 21; and the connecting portion 222 of the side wing frame 22 is slidably disposed in the slide groove 212 by means of bolts, rivets or pins.

[0074] The third embodiment differs from the second embodiment in that a slide groove is provided, so that the side wing frame 22 can move to the outside of the support plate 211, and the rest of the structure is the same as that of the second embodiment.

[0075] In a specific embodiment of the present invention, Fig.10 and Fig.13 As shown, a massage air bag 24 is provided on the support plate 211 of the leg support assembly 21. The massage air bag 24 is connected to a pneumatic system, and the massage air bag 24 is inflated and deflated by the pneumatic system to massage the user's legs. During the massage, the massage air bag 24 can lift the user's legs. Since the side wing frames 22 are provided on both sides of the support plate 211, the side wing frames 22 in an inclined supporting state can support the user's legs and prevent the legs from sliding sideways.

[0076] The utility model is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various variations of the utility model according to the above description. Therefore, some details in the embodiments should not constitute a limitation of the utility model, and the scope of protection of the utility model shall be defined by the scope of the attached claims.

Claims

1. A leg support structure with adjustable side wings, characterized in that: include: Leg support assembly (21); A pair of side wing frames (22) are rotatably arranged on the leg support assembly (21), wherein the pair of side wing frames (22) are arranged on both sides of the leg support assembly (21), and the side wing frames (22) can be rotatably adjusted to an inclined supporting state.

2. The leg support structure with adjustable side wings according to claim 1, characterized in that: The side wing frame (22) is rotatably arranged on the plate surface (2111) of the support plate (211) of the leg support assembly (21).

3. The leg support structure with adjustable side wings according to claim 1, characterized in that: It also includes a driving mechanism (23) disposed on the leg support assembly (21), wherein the driving mechanism (23) is drivingly connected to the side wing frame (22), and the driving mechanism (23) can drive the side wing frame (22) to perform rotation adjustment.

4. The leg support structure with adjustable side wings according to claim 3, characterized in that: The driving mechanism (23) comprises an air bag (231) connected to the leg support assembly (21) and located below the side wing frame (22), and a pneumatic system connected to the air bag (231); The pneumatic system is controlled to inflate or deflate the air bag (231), so that the air bag (231) is deformed, thereby driving the side wing frame (22) to perform rotation adjustment.

5. The leg support structure with adjustable side wings according to claim 4, characterized in that: The side of the air bag (231) is provided with an assembly portion (2311), and the assembly portion (2311) is connected and fixed to the leg support assembly (21); A groove (221) is provided on the side of the side wing frame (22) corresponding to the assembly portion (2311).

6. The leg support structure with adjustable side wings according to claim 3, characterized in that: The driving mechanism (23) comprises a driving member (233) disposed on the leg support assembly (21) and a connecting rod (234) connected to the driving member (233); The other end of the connecting rod (234) is connected to the side wing frame (22); The driving member (233) can drive the end of the connecting rod (234) to move laterally along the plate surface (2111) of the support plate (211) of the leg support assembly (21), and then the other end of the connecting rod (234) can drive the side wing frame (22) to rotate and adjust.

7. The leg support structure with adjustable side wings according to claim 6, characterized in that: The driving member (233) comprises a driving motor (2331) provided on the leg support assembly (21) and a transverse threaded rod (2332) connected to the driving motor (2331); The driving motor (2331) can drive the transverse threaded rod (2332) to move laterally along the plate surface (2111) of the support plate (211) of the leg support assembly (21), and the end of the transverse threaded rod (2332) is connected to the end of the connecting rod (234).

8. The leg support structure with adjustable side wings according to claim 6, characterized in that: The driving member (233) is a transversely arranged electric cylinder or air cylinder, and the telescopic rod of the electric cylinder or air cylinder is connected to the connecting rod (234).

9. The leg support structure with adjustable side wings according to claim 6, characterized in that: The leg support assembly (21) is provided with a slide groove (212) corresponding to the side wing frame (22), and the slide groove (212) is arranged in a transverse direction; The connecting portion (222) of the side wing frame (22) is slidably arranged in the slide groove (212), and the side wing frame (22) can also be moved and adjusted along the slide groove (212) when rotating and adjusting.

10. The leg support structure with adjustable side wings according to claim 1, characterized in that: A massage air bag (24) is provided on the support plate (211) of the leg support assembly (21).

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