Seat adjusting air bag, seat leg support adjusting structure and seat

Abstract

The utility model belongs to the technical field of seats, and particularly relates to a seat adjusting air bag, a seat leg support adjusting structure and a seat. The seat adjusting air bag comprises a first bag body and a second bag body connected with the first bag body, the first bag body is provided with a supporting space, the second bag body is provided with an adjusting space, and the supporting space and the adjusting space are arranged in a spaced mode in the first direction; the supporting space comprises a plurality of long-strip-shaped spaces distributed in the second direction at intervals, the long-strip-shaped spaces extend in the first direction, and all the long-strip-shaped spaces communicate with the adjusting space. The first direction is perpendicular to the second direction. According to the seat adjusting air bag, the extending length of the second bag body in front of the first bag body can be controlled by inflating the supporting space, so that the function of adjusting the length of a seat leg support can be driven, and the seat adjusting air bag is simple in structure, low in manufacturing cost and small in occupied space.

Description

Technical Field

[0001] The utility model belongs to the technical field of seats, and particularly relates to a seat adjustment air bag, a seat leg support adjustment structure and a seat. Background Art

[0002] There is a considerable contact area between the seat and the human body. To enhance the support and comfort of the seat for the human body, the seat is generally provided with a sponge cushion made of elastic foam material on a supporting structure (skeleton), and a layer of outer seat cover that can beautify the appearance is covered on the outside of the supporting structure and the sponge cushion with leather or carbon fiber and other fabrics. The main buffering structure is formed by the shock-absorbing and soft cushioning effect of the sponge cushion, so that the user's buttocks and back can be more comfortable when sitting.

[0003] Different users have different leg lengths. In order to ensure the riding comfort of different users, a leg rest adjustment mechanism for adjusting the length of the leg rest is usually required on the seat. In the prior art, the leg rest adjustment mechanism is usually composed of a crank-connecting rod mechanism, a screw-nut mechanism, etc., which has technical problems such as large space occupation and high manufacturing cost. Utility Model Content

[0004] The utility model aims at the technical problems that the leg support adjustment mechanism in the prior art has large occupied space and high manufacturing cost, and provides a seat adjustment air bag, a seat leg support adjustment structure and a seat.

[0005] In view of the above technical problems, an embodiment of the utility model provides a seat adjustment air bag, comprising a first bag body and a second bag body connected to the first bag body, wherein the first bag body is provided with a support space, and the second bag body is provided with an adjustment space, and the support space and the adjustment space are spaced apart along a first direction;

[0006] The support space includes a plurality of long strip spaces spaced apart along a second direction, the long strip spaces extend along a first direction, and all the long strip spaces are connected to the adjustment space; the first direction is perpendicular to the second direction.

[0007] Optionally, the first bag body is further provided with a plurality of welds spaced apart along the first direction, and the welds are used to separate the adjustment space into a plurality of the elongated spaces.

[0008] Optionally, along the second direction, the width of the first bag body is equal to the width of the second bag body.

[0009] Optionally, the first bag body and the second bag body are an integrally formed part.

[0010] Another embodiment of the utility model also provides a seat leg rest adjustment structure, including a support frame and the above-mentioned seat adjustment air bag; the support frame is provided with a accommodating space, and the first bag body is installed in the accommodating space; the second bag body is used to adjust the extended length of the seat leg rest.

[0011] Optionally, a guide portion is further provided on the support frame, and the guide portion is located below the accommodating space, and the second bag body can be attached to the guide portion.

[0012] Optionally, the seat leg support adjustment structure further includes an elastic tensioning member, which is connected to an end of the second bag body away from the first bag body and is used to tighten the second bag body and fit it onto the guide portion.

[0013] Optionally, the support frame includes a top plate, a bottom plate, a guide plate, a first arc-shaped plate and a second arc-shaped plate; opposite ends of the first arc-shaped plate are respectively connected to the top plate and the bottom plate, and the top plate, the first arc-shaped plate and the bottom plate are surrounded by the accommodation space;

[0014] The opposite ends of the second arc-shaped plate are respectively connected to the guide plate and an end of the bottom plate away from the first arc-shaped plate; the guide portion is arranged on the second arc-shaped plate and the guide plate;

[0015] The bottom plate, the bottom plate and the guide plate are sequentially arranged at intervals along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0016] Optionally, the support frame further includes a support plate, and opposite ends of the support plate are respectively connected to the top plate and the bottom plate.

[0017] Yet another embodiment of the utility model provides a seat, comprising the above-mentioned seat leg support adjustment structure.

[0018] In the utility model, the support space on the first bag body and the adjustment space on the second bag body are arranged at intervals along the first direction, and the support space includes a plurality of long strip spaces arranged at intervals along the second direction. The extension length of the second bag body in front of the first bag body can be controlled by the amount of air filled into the support space, so as to drive the function of adjusting the length of the seat leg support, and the seat adjustment airbag has a simple structure, low manufacturing cost, and small space occupation. In addition, the design of the plurality of long strip spaces ensures that the first bag body will not bulge too high when filled with gas, ensuring the flatness of the first bag body when filled with gas, so that the first bag body can stably support the buttocks contact part of the seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of a seat leg support adjustment structure provided by an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the gas in the seat adjustment air bag provided by one embodiment of the utility model;

[0022] Figure 3 It is a structural schematic diagram of a seat leg support adjustment structure provided by an embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of a gas seat adjustment air bag provided by an embodiment of the utility model.

[0024] The reference numerals in the specification are as follows:

[0025] 1. Seat adjustment airbag; 11. First bag body; 111. Welding seam; 12. Second bag body; 2. Support frame; 21. Accommodating space; 22. Guide part; 23. Top plate; 24. Bottom plate; 25. Guide plate; 26. First curved plate; 27. Second curved plate; 28. Support plate; 3. Elastic tensioning member. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0028] The first direction described in this application is Figure 2 The X direction in the second direction is Figure 2 In the Y direction.

[0029] like Figure 1 and Figure 2As shown, a seat adjustment air bag 1 provided in one embodiment of the utility model includes a first bag body 11 and a second bag body 12 connected to the first bag body 11, the first bag body 11 is provided with a support space, the second bag body 12 is provided with an adjustment space, and the support space and the adjustment space are spaced apart along a first direction; preferably, the first bag body 11 and the second bag body 12 are an integrally formed part.

[0030] The support space includes a plurality of long strip spaces spaced apart along a second direction, the long strip spaces extend along a first direction, and all the long strip spaces are connected to the adjustment space; the first direction is perpendicular to the second direction. It can be understood that a plurality of the long strip spaces are spaced apart along the left-right direction, and the adjustment space is located in front of the long strip space. It should be noted that one of the long strip spaces is equipped with an air valve, and an external inflation device is connected to the long strip space through the air valve, and then the external inflation device can fill the adjustment space and the support space with gas through the air valve, and the gas in the adjustment space and the support space can be discharged through the air valve.

[0031] In the utility model, the support space on the first bag body 11 and the adjustment space on the second bag body 12 are arranged at intervals along the first direction, and the support space includes a plurality of long strip spaces arranged at intervals along the second direction. The extension length of the second bag body 12 in front of the first bag body 11 can be controlled by the amount of air filled into the support space, so as to drive the function of adjusting the length of the seat leg support, and the seat adjustment airbag 1 has a simple structure, low manufacturing cost, and small space occupation. In addition, the design of the plurality of long strip spaces ensures that the first bag body 11 will not bulge too high when filled with gas, and ensures the flatness of the first bag body 11 when filled with gas, so that the first bag body 11 can stably support the buttocks contact part of the seat.

[0032] In one embodiment, if Figure 2 As shown, the first bag body 11 is also provided with a plurality of welds 111 spaced apart along the first direction, and the welds 111 are used to separate the adjustment space into a plurality of the long strip spaces. It can be understood that all the welds 111 extend along the first direction, and two adjacent welds 111 serve as the left and right edges of a middle long strip space; the welds 111 include but are not limited to high-frequency welds 111, line connection seams, etc. In this embodiment, the seat adjustment airbag 1 has a simple structure and low manufacturing cost.

[0033] In one embodiment, if Figure 2As shown, along the second direction, the width of the first bag body 11 is equal to the width of the second bag body 12. It can be understood that the width of the first bag body 11 is equal to the width of the second bag body 12, so that the second bag body 12 can better support the user's legs.

[0034] like Figure 1 and Figure 3 As shown, another embodiment of the utility model further provides a seat leg support adjustment structure, comprising a support frame 2 and the above-mentioned seat adjustment airbag 1; the support frame 2 is provided with a receiving space 21, and the first bag body 11 is installed in the receiving space 21; the second bag body 12 is used to adjust the length of the leg support extension. It can be understood that a sponge pad is provided on the top surface of the support frame 2, and the user sits on the sponge pad above the support frame 2.

[0035] In the utility model, the first bag body 11 is filled with gas, and all the long strip spaces are filled with gas, so that the first bag body 11 can support the support frame 2 from below, avoiding a large number of vacant parts in the accommodating space 21, making it difficult for the support frame 2 to deform, and extending the service life of the seat leg support adjustment structure. In addition, the support space includes a plurality of the long strip spaces arranged at intervals along the second direction. The design of the plurality of the long strip spaces ensures the flatness of the first bag body 11 when filled with gas, so that the first bag body 11 can stably support the support frame 2. In addition, by controlling the amount of gas in the adjustment space, the extension of the second bag body 12 in front of the accommodating space 21 can be controlled, so as to achieve the effect of adjusting the length of the seat leg support, and the seat leg support adjustment structure has a simple structure, low manufacturing cost, and small space occupation.

[0036] In one embodiment, if Figure 1 and Figure 3 As shown, the support frame 2 is further provided with a guide portion 22, the guide portion 22 is located below the accommodating space 21, and the second bag body 12 can be attached to the guide portion 22. It can be understood that a part of the second bag body 12 can be attached to the guide portion 22, and the guide portion 22 can control the second bag body 12 to extend toward the front of the accommodating space 21 when the second bag body 12 is filled with gas.

[0037] In one embodiment, if Figure 3As shown, the seat leg support adjustment structure further includes an elastic tensioning member 3, which is connected to one end of the second bag body 12 away from the first bag body 11 and is used to tighten the second bag body 12 and fit it on the guide portion 22. It can be understood that the elastic tensioning member 3 includes but is not limited to elastic stretching, etc., one end of the elastic tensioning member 3 is fixed to the seat, and the other end of the elastic tensioning member 3 is connected to the second bag body 12.

[0038] In this embodiment, the elastic tensioning member 3 can provide a backward tensioning force to the second bag body 12, and the gas in the adjustment space can provide a forward stretching force to the second bag body 12; when the amount of gas in the adjustment space is large, the stretching amount of the second bag body 12 in front of the accommodating space 21 is large, and the second bag body 12 attached to the guide portion 22 is short; when the amount of gas in the adjustment space is small, the stretching amount of the second bag body 12 in front of the accommodating space 21 is short, and the second bag body 12 attached to the guide portion 22 is long. The seat leg support adjustment structure has a simple structure, low manufacturing cost, and small space occupation.

[0039] In one embodiment, if Figure 1 and Figure 3 As shown, the support frame 2 includes a top plate 23, a bottom plate 24, a guide plate 25, a first curved plate 26 and a second curved plate 27; the opposite ends of the first curved plate 26 are respectively connected to the top plate 23 and the bottom plate 24, and the top plate 23, the first curved plate 26 and the bottom plate 24 surround the accommodating space 21; it can be understood that the first bag body 11 can be attached to the inner wall of the bottom plate 24 facing the accommodating space 21.

[0040] The opposite ends of the second arc plate 27 are respectively connected to the guide plate 25 and one end of the bottom plate 24 away from the first arc plate 26; the guide portion 22 is arranged on the second arc plate 27 and the guide plate 25; the bottom plate 24, the bottom plate 24 and the guide plate 25 are arranged in sequence along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other. It can be understood that the bottom plate 24 is located between the top plate 23 and the guide plate 25, and the design of the second arc plate 27 enables the second bag body 12 to have a bending portion under the action of the elastic tensioning member 3, and the lower part of the second bag body 12 is attached to the guide plate 25, and the upper part of the second bag body 12 extends in front of the accommodating space 21. In this embodiment, the support frame 2 has a simple structure and low manufacturing cost.

[0041] In one embodiment, if Figure 3As shown, the support frame 2 further includes a support plate 28, and opposite ends of the support plate 28 are respectively connected to the top plate 23 and the bottom plate 24. It can be understood that the support plate 28 can support the top plate 23 and the bottom plate 24 from the side, further reducing the probability of deformation of the top plate 23.

[0042] Yet another embodiment of the utility model provides a seat, comprising the above-mentioned seat leg support adjustment structure.

[0043] The above are merely embodiments of the seat adjustment airbag, seat leg support adjustment structure and seat of the utility model and are not intended to limit the utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A seat adjustment air bag, characterized in that: It comprises a first bag body and a second bag body connected to the first bag body, the first bag body is provided with a support space, the second bag body is provided with an adjustment space, and the support space and the adjustment space are spaced apart along a first direction; The support space includes a plurality of long strip spaces spaced apart and distributed along a second direction, the long strip spaces extend along a first direction, and all the long strip spaces are connected to the adjustment space; the first direction is perpendicular to the second direction.

2. The seat adjustment air bag according to claim 1, characterized in that: The first bag body is also provided with a plurality of welds spaced apart along the first direction, and the welds are used to separate the adjustment space into a plurality of the long strip spaces.

3. The seat adjustment air bag according to claim 1, characterized in that: Along the second direction, the width of the first bag body is equal to the width of the second bag body.

4. The seat adjustment air bag according to claim 1, characterized in that: The first bag body and the second bag body are integrally formed.

5. A seat leg support adjustment structure, characterized in that: It comprises a support frame and a seat adjustment air bag as claimed in any one of claims 1 to 4; the support frame is provided with a accommodating space, the first bag body is installed in the accommodating space; the second bag body is used for adjusting the extension length of the seat leg support.

6. The seat leg support adjustment structure according to claim 5, characterized in that: The support frame is also provided with a guide portion, the guide portion is located below the accommodating space, and the second bag body can be attached to the guide portion.

7. The seat leg support adjustment structure according to claim 6, characterized in that: The seat leg support adjustment structure also includes an elastic tensioning member, which is connected to an end of the second bag body away from the first bag body and is used to tighten the second bag body and fit it onto the guide portion.

8. The seat leg support adjustment structure according to claim 6, characterized in that: The support frame includes a top plate, a bottom plate, a guide plate, a first arc plate and a second arc plate; opposite ends of the first arc plate are respectively connected to the top plate and the bottom plate, and the top plate, the first arc plate and the bottom plate are surrounded by the accommodation space; The opposite ends of the second arc-shaped plate are respectively connected to the guide plate and an end of the bottom plate away from the first arc-shaped plate; the guide portion is arranged on the second arc-shaped plate and the guide plate; The bottom plate, the bottom plate and the guide plate are sequentially arranged at intervals along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

9. The seat leg support adjustment structure according to claim 8, characterized in that: The support frame also includes a support plate, and opposite ends of the support plate are respectively connected to the top plate and the bottom plate.

10. A seat, characterized in that: It comprises a seat leg support adjustment structure as described in any one of claims 5 to 9.

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