Lumbar vertebra supporting device
The lumbar support device, which combines a sliding support frame and a gas spring, solves the problems of pressure on the chest and lower ribs and the inability to adjust the support height of existing devices. It enables the positioning and height adjustment of the armpit support, adapts to the usage needs of different shoulder widths and working conditions, and provides a comfortable support effect.
Patent Information
- Application Number
- CN202520145512.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing lumbar support devices cause pressure and discomfort to the chest and lower ribs during use, and the support height cannot be adjusted to meet the needs of different shoulder widths and working conditions.
A lumbar support device was designed, which combines a sliding support frame and a gas spring for adjustable armpit height and position. It is fixed by clamps and positioning holes to meet the needs of different users.
It enables the positioning and height adjustment of the armpit support, reducing pressure on the chest and lower ribs, adapting to different shoulder widths and working conditions, and providing a comfortable support effect.
Smart Images

Figure CN223845934U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lumbar support technical field, concretely is a lumbar support device. BACKGROUND
[0002] Support traction is the current application wide, relatively safe and effective lumbar disease prevention and treatment mode. The existing lumbar support traction device mainly has horizontal traction bed or support frame, waist-abdominal traction type support, upper arm suspension type traction instrument etc.;Among them, the supine traction mode is that one end uses waist belt to be fixed to the waist, the stress point is located on the upper end of the hip, the belt passes through the traction belt connected to the lower part of the human body to exert the pulling force, the other end uses the chest bandage to be tightly wrapped on the chest, the belt passes through the traction belt connected to the upper part of the human body to exert the pulling force, in order to produce enough friction force to prevent the displacement of the chest bandage from slipping during support, the binding force must be large, which causes great compression force to the chest rib, the discomfort in the process of binding and traction is mainly extrusion pain and breathing difficulty, and the female user is more difficult to bear the compression on the chest. Another abdominal traction type support adopts the mode that the lower end uses waist belt and tightly wraps the belt on the upper end of the hip, the upper end uses abdominal belt and tightly wraps the belt on the lower end of the rib, and each set of telescopic support device is arranged on the left and right sides of the human body between the two belts, the length of the support device is adjusted to produce traction force on the lumbar vertebrae, and the main disadvantage is that the stress point of the abdominal belt is located on the lower end of the rib, and when the support force is large, the lower end of the rib will produce a large pulling force, which will cause serious discomfort.
[0003] The disclosed document records that the appropriate lumbar support stretching force is 20-50 kg, different support forces should be set according to the individual conditions of the user, and the support force should not exceed the safety value. On the other hand, some disclosed multifunctional support seat technical solutions, among which the disclosed rehabilitation health support or office, household multipurpose seat technical solutions, can be used as a seat and a lumbar support chair, but the distance between the armrests cannot be adjusted, so the conversion between different purposes and the use of people with different chest widths cannot be realized. UTILITY MODEL CONTENTS
[0004] To solve the above problems, the utility model provides a lumbar support device, which effectively solves the problems of simple structure and inability to adjust the support height of the lumbar treatment instrument in the prior art. In addition, it not only meets the support needs of users with different shoulder widths, but also meets the needs of users in different working conditions.
[0005] To achieve the above object, the utility model provides the following technical scheme, a lumbar support device, including seat board and backrest, seat board and backrest fixed connection, seat board is provided with a pair of armpit support, armpit support is symmetrically arranged on both sides of seat board, seat board is provided with the lumbar support mechanism matched with armpit support, the lumbar support mechanism includes the sliding support frame of sliding connection in seat board, the fixed sleeve is fixedly connected on the sliding support frame, the additional sleeve is slidably connected in the fixed sleeve, the gas spring is fixedly connected above the additional sleeve, and the armpit support is fixedly connected above the gas spring, the positioning hole matched with additional sleeve is provided on the sliding support frame, the clamp is provided on the fixed sleeve matched with additional sleeve.
[0006] Further, the through hole matched with the clamp is arranged on the fixed sleeve.
[0007] Further, the additional sleeve is provided with a plurality of limiting grooves matched with the clamp.
[0008] Further, the clamping pin matched with the through hole and the limiting groove is arranged on the clamp.
[0009] Further, the diameter of the positioning hole is same with the inner diameter of the fixed sleeve.
[0010] Further, the sliding slot matched with the sliding support frame is arranged in the seat board.
[0011] Compared with the prior art, the utility model has the gain effect that:
[0012] 1, the sliding connection between the sliding support frame and the seat board realizes the use demand of different shoulder width users, and the setting of the positioning hole can realize the locking of the position of the sliding support frame, thereby positioning the position of the armpit support.
[0013] 2, the clamp cooperates with the additional sleeve and the fixed sleeve, can realize the fixation of the position of the gas spring, thereby can realize the adjustment of the height of the armpit support, further meet the demand of different use modes of the user. ACCURACY
[0014] Figure 1 It is the utility model perspective drawing.
[0015] Figure 2 It is the utility model positioning state diagram.
[0016] Figure 3 It is the utility model perspective cutaway view.
[0017] Figure 4 It is the utility model support state diagram.
[0018] Figure 5 It is the utility model lumbar support mechanism cutaway view.
[0019] In the figure: 1, seat plate, 2, backrest, 3, armpit support, 4, sliding support frame, 5, clamp, 6, gas spring, 7, fixed sleeve, 8, additional sleeve. DETAILED DESCRIPTION
[0020] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. Embodiment one
[0021] A lumbar support device, comprising a seat plate 1 and a backrest 2, the seat plate 1 is fixedly connected with the backrest 2; a pair of armpit supports 3 are arranged on the seat plate 1, and the armpit supports 3 are symmetrically arranged on both sides of the seat plate 1; a lumbar support mechanism matched with the armpit supports 3 is arranged on the seat plate 1; the lumbar support mechanism comprises a sliding support frame 4 slidably connected in the seat plate 1, a fixed sleeve 7 fixedly connected on the sliding support frame 4, an additional sleeve 8 slidably connected in the fixed sleeve 7, a gas spring 6 fixedly connected above the additional sleeve 8, and the armpit supports 3 are fixedly connected above the gas spring 6; a positioning hole matched with the additional sleeve 8 is arranged on the sliding support frame 4; a clamp 5 matched with the additional sleeve 8 is arranged on the fixed sleeve 7.
[0022] A through hole matched with the clamp 5 is arranged on the fixed sleeve 7.
[0023] A plurality of limiting grooves matched with the clamp 5 are arranged on the additional sleeve 8.
[0024] A clamping pin matched with the through hole and the limiting groove is arranged on the clamp 5.
[0025] The diameter of the positioning hole is the same as the inner diameter of the fixed sleeve 7.
[0026] A sliding groove matched with the sliding support frame 4 is arranged in the seat plate 1.
[0027] As shown in Figure 2 , 3 and 5: when the user needs to position the armpit supports 3, the gas spring 6 can be slid downward, the additional sleeve 8 is passed through the positioning hole, and then the position of the additional sleeve 8 can be fixed by the clamp 5, so as to realize the positioning of the armpit supports 3, thereby meeting the needs of the user. Embodiment two
[0028] A lumbar support device, comprising a seat plate 1 and a backrest 2, the seat plate 1 is fixedly connected with the backrest 2; a pair of armpit supports 3 are arranged on the seat plate 1, the armpit supports 3 are symmetrically arranged on both sides of the seat plate 1; a lumbar support mechanism matched with the armpit supports 3 is arranged on the seat plate 1; the lumbar support mechanism comprises a sliding support frame 4 slidably connected in the seat plate 1, a fixed sleeve 7 is fixedly connected on the sliding support frame 4, an additional sleeve 8 is slidably connected in the fixed sleeve 7, an air spring 6 is fixedly connected above the additional sleeve 8, and the air spring 6 is fixedly connected above the armpit support 3; a positioning hole matched with the additional sleeve 8 is arranged on the sliding support frame 4; a clamp 5 matched with the additional sleeve 8 is arranged on the fixed sleeve 7.
[0029] A through hole matched with the clamp 5 is arranged on the fixed sleeve 7.
[0030] A plurality of limiting grooves matched with the clamp 5 are arranged on the additional sleeve 8.
[0031] A clamping pin matched with the through hole and the limiting grooves is arranged on the clamp 5.
[0032] The diameter of the positioning hole is the same as the inner diameter of the fixed sleeve 7.
[0033] A sliding groove matched with the sliding support frame 4 is arranged in the seat plate 1.
[0034] As shown in Figure 1 , 3 and 5: when the user needs to support the lumbar vertebrae, the user can fix the position of the additional sleeve 8 through the clamp 5, so as to position the armpit support 3 to a suitable height, and when the user applies pressure to the armpit support 3, the air spring 6 can support the user. Embodiment three
[0035] A lumbar support device, comprising a seat plate 1 and a backrest 2, the seat plate 1 is fixedly connected with the backrest 2; a pair of armpit supports 3 are arranged on the seat plate 1, the armpit supports 3 are symmetrically arranged on both sides of the seat plate 1; a lumbar support mechanism matched with the armpit supports 3 is arranged on the seat plate 1; the lumbar support mechanism comprises a sliding support frame 4 slidably connected in the seat plate 1, a fixed sleeve 7 is fixedly connected on the sliding support frame 4, an additional sleeve 8 is slidably connected in the fixed sleeve 7, an air spring 6 is fixedly connected above the additional sleeve 8, and the air spring 6 is fixedly connected above the armpit support 3; a positioning hole matched with the additional sleeve 8 is arranged on the sliding support frame 4; a clamp 5 matched with the additional sleeve 8 is arranged on the fixed sleeve 7.
[0036] A through hole matched with the clamp 5 is arranged on the fixed sleeve 7.
[0037] A plurality of limiting grooves matched with the clamp 5 are arranged on the additional sleeve 8.
[0038] A clamping pin matched with the through hole and the limiting grooves is arranged on the clamp 5.
[0039] The diameter of the positioning hole is the same as the inner diameter of the fixing sleeve 7.
[0040] The seat plate 1 is provided with a sliding groove that cooperates with the sliding support frame 4.
[0041] like Figure 1 As shown in Figures 1 and 4: Based on Embodiment 2, when the width of the armpit support 3 does not match the user's shoulder width, the support frame 4 can be slid left and right to adjust the width between the armpit supports 3, thereby meeting the needs of users with different shoulder widths.
[0042] It should be noted that the elastic support element selected in this utility model is a gas spring. The reason is that gas springs have significant advantages over ordinary springs: they operate slowly and stably, have a nearly linear elastic curve, maintain a basically constant force value throughout the entire stroke, and are easy to install and control.
[0043] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
Claims
1. A lumbar support device comprising a seat plate (1) and a backrest (2), the seat plate (1) being fixed to the backrest (2); characterized in that ; The seat plate (1) is provided with a pair of armpit supports (3), which are symmetrically arranged on both sides of the seat plate (1); the seat plate (1) is provided with a lumbar support mechanism matched with the armpit supports (3); the lumbar support mechanism comprises a sliding support frame (4) slidingly connected in the seat plate (1), the sliding support frame (4) is fixedly connected with a fixed sleeve (7), the fixed sleeve (7) is slidingly connected with an additional sleeve (8), the additional sleeve (8) is fixedly connected with a gas spring (6) above, and the gas spring (6) is fixedly connected with the armpit support (3) above; the sliding support frame (4) is provided with a positioning hole matched with the additional sleeve (8); the fixed sleeve (7) is provided with a clamp (5) matched with the additional sleeve (8).
2. The lumbar support device of claim 1, wherein: The fixed sleeve (7) is provided with a through hole matched with the clamp (5).
3. The lumbar support device of claim 2, wherein: The additional sleeve (8) is provided with a plurality of limiting grooves matched with the clamp (5).
4. The lumbar support device of claim 1, wherein: The clamp (5) is provided with a clamping pin matched with the through hole and the limiting groove.
5. The lumbar support device of claim 1, wherein: The diameter of the positioning hole is the same as the inner diameter of the fixed sleeve (7).
6. The lumbar support device of claim 1, wherein: The seat plate (1) is provided with a sliding groove matched with the sliding support frame (4).