Lumbar vertebra supporting chair

By designing a lumbar support chair with a multi-directional connecting plate and a gas spring support mechanism, the problems of limited functionality and complex operation of existing lumbar support devices are solved. It enables flexible adjustment of the armpit support and its position, meeting the diverse needs of different users. It improves the stability of lumbar support and ease of operation, reduces pressure on the chest and ribs, and enhances safety during use. It also reduces pressure on the chest and ribs and breathing difficulties, meeting the needs of different users.

CN223845935UActive Publication Date: 2026-01-30HENAN YUSHU MEDICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520145514.X
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

Technical Problem

Existing lumbar support devices have limitations in terms of functionality, complexity of operation, and can cause pressure and discomfort to the chest or lower ribs, failing to meet the needs of users with different chest and shoulder widths.

Method used

A lumbar support chair was designed, which adopts a multi-directional connecting plate and a gas spring support mechanism. The multi-directional connecting plate is connected to the rotating guide block to realize the back-and-forth swing and left-and-right sway of the armpit support. Combined with the cooperation of the limiting sleeve and the clamp, the height and position of the armpit support can be adjusted to meet the support needs under different working conditions.

Benefits of technology

It achieves stable fixation and height adjustment of the armpit support, meets the needs of different users, improves safety and ease of operation, and reduces pressure on the chest and ribs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lumbar vertebra supporting, in particular to a lumbar vertebra supporting chair. Comprising a seat plate and a backrest, the seat plate is fixedly connected with the backrest, a pair of armpit supports is arranged on the seat plate, the armpit supports are symmetrically located on the two sides of the seat plate, and first supporting mechanisms matched with the armpit supports are arranged on the seat plate; the first supporting mechanism comprises a fixed plate fixedly connected to the seat plate, a multidirectional connecting plate is rotationally connected to the fixed plate, a rotary guide block is rotationally connected to the multidirectional connecting plate, a movable sleeve is fixedly connected to the rotary guide block, an additional sleeve is slidably connected into the movable sleeve, and an air spring is fixedly connected to the upper portion of the additional sleeve. A hoop matched with the additional sleeve is arranged on the movable sleeve; the upper piston end of the gas spring is fixedly connected with the armpit support; limiting sleeves matched with the additional sleeves are arranged on the two sides of the seat plate; the problems that in the prior art, a lumbar vertebra supporting instrument is single in function and complex in operation are effectively solved, the use requirements of a user under different working conditions can be met, and operation of the user is greatly facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lumbar support technical field, concretely is a lumbar support chair. BACKGROUND

[0002] Support traction is the safe and effective way for treating lumbar disease at present. The existing lumbar support traction device mainly has a horizontal traction bed or support frame, a waist-abdomen traction type support device, an upper arm suspension type traction instrument and the like; wherein the supine traction type uses a waist band to be fixed to the waist at one end, the stress point is located on the upper end of the hip, the band passes through the traction belt connected to exert the pulling force on the lower body, the other end uses a chest band to be tightly clamped on the chest, the band passes through the traction belt connected to exert the pulling force on the upper body, in order to produce enough friction force to prevent the displacement of the chest band from slipping during the support, the binding force must be large, which causes great compression force on the chest and rib, the discomfort during the binding and traction process is mainly the squeezing pain and breathing difficulty, and the female user is more difficult to bear the compression on the chest; another abdomen traction type support device uses the way that the lower end uses the waist band and tightly clamps the band on the upper end of the hip, the upper end uses the abdomen band and tightly clamps the band on the lower end of the rib, a telescopic support device is arranged on the left and right sides of the body between the two bands, the length of the support device is adjusted to produce the traction force on the lumbar vertebrae, and the main disadvantage is that the stress point of the abdomen band is located on the lower end of the rib, when the support force is large, the great pulling force on the lower end of the rib will cause serious discomfort.

[0003] There are also some disclosed multifunctional support seat technical solutions, wherein the disclosed rehabilitation and health support or office and household multipurpose seat technical solutions can be used as the seat and the lumbar support chair, but the distance between the armrests cannot be adjusted, the traction force is not easy to control, therefore, the safe use and the conversion between the uses cannot be realized, and the use of people with different chest widths cannot be met. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a lumbar support chair, which effectively solves the problems of single function and complex operation of the lumbar support instrument in the prior art, not only meets the use requirements of users under different working conditions, but also greatly facilitates the operation of users and improves the safety of use.

[0005] To achieve the above object, the utility model provides a lumbar support chair, including the seat board and the back, the seat board is fixed with the back, is provided with a pair of armpit support on the seat board, armpit support is located the both sides of seat board symmetry sets up, is provided with with armpit support cooperation first support mechanism on the seat board, first support mechanism includes the fixed plate fixed on the seat board, is connected with the multidirectional connecting plate on the fixed plate, is connected with the rotary guide block on the multidirectional connecting plate, is fixed with the movable sleeve on the rotary guide block, is connected with the additional sleeve in the movable sleeve and slides, is fixed with the gas spring above the additional sleeve, is provided with the clamp that cooperates with the additional sleeve on the movable sleeve, the piston end of gas spring is fixed with armpit support, both sides of seat board are provided with with the additional sleeve cooperation limiting sleeve.

[0006] Further: the multidirectional connecting plate is arc plate.

[0007] Further: the multidirectional connecting plate is provided with scale.

[0008] Further: the multidirectional connecting plate both sides are provided with the limiting plate.

[0009] Further: the limiting sleeve is provided with the fixed hole that cooperates with the additional sleeve.

[0010] Further: the movable sleeve is provided with the through -hole that cooperates with the clamp, and the additional sleeve is provided with multiple with the positioning hole that cooperates with the clamp.

[0011] Further: the clamp is provided with the clamping pin that cooperates with the through -hole and the positioning hole.

[0012] Compared with the prior art, the utility model has the gain effect that:

[0013] 1, when the additional sleeve cooperates with the fixed hole of the limiting sleeve, can guarantee armpit support is vertical state, realized the fixation of armpit support working condition, met the use demand of user to it, simultaneously, user can realize the adjustment of armpit support height through the cooperation of clamping pin and positioning hole.

[0014] 2, when the user needs to support the lumbar, can be fixed after armpit support height through the cooperation of clamping pin and positioning hole, the rotary connection between multidirectional connecting plate and rotary guide block can realize the swing of armpit support before and after, to meet the support demand under different conditions.

[0015] 3, multidirectional connecting plate and fixed plate between rotary connection setting, can realize the swing of armpit support left and right, met the demand of different shoulder width user. ACCURACY

[0016] Figure 1 It is the utility model solid drawing.

[0017] Figure 2 It is the utility model support state drawing.

[0018] Figure 3 Figure 2 is a front and rear rotating support state diagram of the utility model.

[0019] Figure 4 Figure 3 is a left and right rotating support state diagram of the utility model.

[0020] Figure 5 Figure 4 is a first support mechanism cutaway view of the utility model.

[0021] In the figure: 1, seat plate, 2, backrest, 3, armpit support, 4, movable sleeve, 5, clamp, 6, gas spring, 7, limit sleeve, 8, multidirectional connecting plate, 9, rotating guide block, 10, fixed plate, 11, additional sleeve. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model. Embodiment one

[0023] A lumbar support chair, 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, and a first support mechanism matched with the armpit supports 3 is arranged on the seat plate 1; the first support mechanism comprises a fixed plate 10 fixedly connected to the seat plate 1, a multidirectional connecting plate 8 rotatably connected to the fixed plate 10, a rotating guide block 9 rotatably connected to the multidirectional connecting plate 8, a movable sleeve 4 fixedly connected to the rotating guide block 9, an additional sleeve 11 slidably connected to the movable sleeve 4, a gas spring 6 fixedly connected to the additional sleeve 11, and a clamp 5 arranged on the movable sleeve 4 and matched with the additional sleeve 11; a piston end of the gas spring 6 is fixedly connected with the armpit support 3; limit sleeves 7 matched with the additional sleeve 11 are arranged on both sides of the seat plate 1.

[0024] The multidirectional connecting plate 8 is an arc-shaped plate.

[0025] A scale is arranged on the multidirectional connecting plate 8.

[0026] Limiting plates are arranged on both sides of the multidirectional connecting plate 8.

[0027] A fixing hole matched with the additional sleeve 11 is arranged on the limit sleeve 7.

[0028] A through hole matched with the clamp 5 is arranged on the movable sleeve 4, and a plurality of positioning holes matched with the clamp 5 are arranged on the additional sleeve 11.

[0029] A clamping pin matched with the through hole and the positioning hole is arranged on the clamp 5.

[0030] As Figure 1 , 2 and 5 show: when the user needs to position the armpit support 3, first put the additional sleeve 11 through the fixed hole of the limiting sleeve 7, then operate the clamp 5 to position the additional sleeve 11, and at the same time, the height of the armpit support 3 can be adjusted through the clamp 5; the needs of the user for positioning the armpit support 3 are met. Example two

[0031] A lumbar support chair, 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, and a first supporting mechanism matched with the armpit supports 3 is arranged on the seat plate 1; the first supporting mechanism comprises a fixed plate 10 fixedly connected to the seat plate 1, a multidirectional connecting plate 8 rotatably connected to the fixed plate 10, a rotating guide block 9 rotatably connected to the multidirectional connecting plate 8, a movable sleeve 4 fixedly connected to the rotating guide block 9, an additional sleeve 11 slidably connected in the movable sleeve 4, a gas spring 6 fixedly connected to the additional sleeve 11, and a clamp 5 arranged on the movable sleeve 4 and matched with the additional sleeve 11; a piston end of the gas spring 6 is fixedly connected with the armpit support 3; limiting sleeves 7 matched with the additional sleeve 11 are arranged on both sides of the seat plate 1.

[0032] The multidirectional connecting plate 8 is an arc-shaped plate.

[0033] The multidirectional connecting plate 8 is provided with a scale.

[0034] Limiting plates are arranged on both sides of the multidirectional connecting plate 8.

[0035] The limiting sleeve 7 is provided with a fixed hole matched with the additional sleeve 11.

[0036] The movable sleeve 4 is provided with a through hole matched with the clamp 5, and the additional sleeve 11 is provided with a plurality of positioning holes matched with the clamp 5.

[0037] The clamp 5 is provided with a clamping pin matched with the through hole and the positioning hole.

[0038] As Figure 1 , 2 , 3 and 5 show: on the basis of example one; when the user needs to support the lumbar vertebrae, the user can first position the additional sleeve 11 and the movable sleeve 4 through the clamp 5, at this time, the additional sleeve 11 is not matched with the fixed hole of the limiting sleeve 7; then the user supports the armpit support 3 to the armpit, and in this process, the multidirectional connecting plate 8 and the rotating guide block 9 are rotatably connected to realize that the armpit support 3 can move forward and backward during the support of the user. Example three

[0039] A lumbar support chair, 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, and a first supporting mechanism matched with the armpit supports 3 is arranged on the seat plate 1; the first supporting mechanism comprises a fixed plate 10 fixedly connected with the seat plate 1, a multidirectional connecting plate 8 rotatably connected with the fixed plate 10, a rotating guide block 9 rotatably connected with the multidirectional connecting plate 8, an active sleeve 4 fixedly connected with the rotating guide block 9, an additional sleeve 11 slidably connected in the active sleeve 4, a gas spring 6 fixedly connected above the additional sleeve 11, and a clamp 5 arranged on the active sleeve 4 and matched with the additional sleeve 11; a piston end of the gas spring 6 is fixedly connected with the armpit support 3; and a limiting sleeve 7 matched with the additional sleeve 11 is arranged on both sides of the seat plate 1.

[0040] The multidirectional connecting plate 8 is an arc-shaped plate.

[0041] The multidirectional connecting plate 8 is provided with a scale.

[0042] Limiting plates are arranged on both sides of the multidirectional connecting plate 8.

[0043] The limiting sleeve 7 is provided with a fixing hole matched with the additional sleeve 11.

[0044] The active sleeve 4 is provided with a through hole matched with the clamp 5, and the additional sleeve 11 is provided with a plurality of positioning holes matched with the clamp 5.

[0045] The clamp 5 is provided with a clamping pin matched with the through hole and the positioning hole.

[0046] As shown in Figure 1 , 2 , 4 and 5: on the basis of the first embodiment; due to the arrangement that the multidirectional connecting plate 8 is rotatably connected with the fixed plate 10, the armpit supports 3 can be moved left and right, thereby meeting the needs of users with different shoulder widths; the problems that the lumbar support devices in the prior art have single functions and are complex to operate are effectively solved, not only meeting the needs of users in different use modes, but also greatly facilitating operation.

[0047] It should be noted that the elastic supporting element selected in the utility model is a gas spring, and the reason is that the gas spring has the following advantages over ordinary springs: slow running speed, stability, nearly linear elastic curve, basically unchanged force value in the whole stroke, easy installation and control.

[0048] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, is constructed and operated in a particular orientation, therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0049] In the description of the utility model, it is necessary to explain, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be broadly understood, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A lumbar support chair comprising a seat (1) and a backrest (2), the seat (1) being fixed to the backrest (2), characterised in that: The seat plate (1) is provided with a pair of armpit supports (3), the armpit supports (3) are symmetrically arranged on both sides of the seat plate (1), and the seat plate (1) is provided with a first supporting mechanism matched with the armpit supports (3); the first supporting mechanism comprises a fixed plate (10) fixedly connected to the seat plate (1), a multidirectional connecting plate (8) rotatably connected to the fixed plate (10), a rotating guide block (9) rotatably connected to the multidirectional connecting plate (8), an active sleeve (4) fixedly connected to the rotating guide block (9), an additional sleeve (11) slidably connected in the active sleeve (4), an air spring (6) fixedly connected to the additional sleeve (11), and a clamp (5) arranged on the active sleeve (4) and matched with the additional sleeve (11); a piston end of the air spring (6) is fixedly connected to the armpit support (3); the seat plate (1) is provided with a limiting sleeve (7) matched with the additional sleeve (11) on both sides.

2. The lumbar support chair of claim 1, wherein: The multidirectional connecting plate (8) is an arc-shaped plate.

3. The lumbar support chair of claim 1, wherein: The multidirectional connecting plate (8) is provided with a scale.

4. The lumbar support chair of claim 1, wherein: The multidirectional connecting plate (8) is provided with a limiting plate on both sides.

5. The lumbar support chair of claim 1, wherein: The limiting sleeve (7) is provided with a fixing hole matched with the additional sleeve (11).

6. The lumbar support chair of claim 1, wherein: The active sleeve (4) is provided with a through hole matched with the clamp (5), and the additional sleeve (11) is provided with a plurality of positioning holes matched with the clamp (5).

7. The lumbar support chair of claim 6, wherein: The clamp (5) is provided with a clamping pin matched with the through hole and the positioning hole.