Slide rail adjusting waist support
By using a sliding rail adjustment structure and a nut and screw design, the problem of difficulty in adjusting the lumbar position of existing lumbar supports has been solved, enabling multi-level adjustment and stable fixation of the lumbar support pad, thus improving the support effect and user adaptability.
Patent Information
- Application Number
- CN202520607648.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing lumbar supports cannot flexibly adjust the position of the lumbar support according to the height differences of different people, which affects the support effect.
The lumbar support pad is height-adjustable using a sliding rail structure and screws and nuts. Combined with the bow-shaped connecting parts and sliding groove design, it provides multiple adjustment levels and a secure fixation.
The lumbar support pad achieves a precise fit to the physiological curvature of the lumbar spine, improving support effectiveness, adapting to different user needs, and enhancing stability and comfort during use.
Smart Images

Figure CN223731040U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of adjustable lumbar support technology, and in particular to a slide rail adjustable lumbar support. Background Technology
[0002] A lumbar support belt is a protective device used to support the lower back and relieve pressure on the lower back. It is widely used in medical rehabilitation, daily life and sports protection. As the core part of the human body, the lower back plays an important role in supporting the upper body, maintaining postural stability and transmitting force. In daily office work, driving or studying, many people maintain a sitting posture for a long time, and their lower back often lacks effective support. Over time, this will affect the lower back health of people who sit for long periods of time.
[0003] An existing adjustable lumbar support pillow (publication number: CN219500709U) has at least the following drawbacks: Although the above-mentioned lumbar support pillow adjusts the degree of protrusion of the lumbar support through an adjustable structure to adapt to the needs of different users, its adjustment method mainly targets changes in support strength, and it is difficult to flexibly adjust the position of the lumbar support according to the height differences of different people. This makes it difficult for the lumbar support to accurately conform to the physiological curvature of the lumbar spine, affecting the support effect and resulting in poor performance of the lumbar support pillow. Therefore, we propose this utility model. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sliding rail adjustable lumbar support.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A sliding rail adjustable lumbar support includes a backrest, a lumbar support pad is provided at the lumbar support position of the backrest, and an adjustment structure is provided on one side of the backrest. The adjustment structure includes a mounting hole opened on one side of the backrest. The mounting hole is strip-shaped. A connecting rubber part is fixed to one side of the lumbar support pad. A screw is fixed inside the connecting rubber part. One end of the screw passes through the mounting hole and is threaded with a nut.
[0007] As a further embodiment of this utility model, a plurality of mating grooves are provided on one side of the cushion, and the plurality of mating grooves are all connected to the mounting holes. The plurality of mating grooves are evenly distributed along the length direction of the mounting holes, and one end of the nut abuts against the inside of the mating groove.
[0008] As a further embodiment of this utility model, two sliding grooves are provided on one side of the cushion, and the mounting hole is located between the two sliding grooves, with the connecting rubber part slidingly disposed inside the sliding groove.
[0009] As a further embodiment of this utility model, the connecting rubber component has an arch-shaped structure, with both ends of the connecting rubber component bending towards the lumbar support pad and the middle part bulging.
[0010] As a further embodiment of this utility model, the back and bottom of the cushion are provided with several reinforcing ribs, the reinforcing ribs and the cushion are integrally formed, and the perimeter of the cushion is thickened.
[0011] As a further embodiment of this utility model, ventilation holes are provided on both the back and bottom surfaces of the cushion.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] This adjustable lumbar support features an adjustable structure with screws fixed inside the connecting rubber parts. Users rotate the nut to move it along the screw. Once the nut disengages from the mating groove, it can be lifted, causing the screw to slide within the mounting hole. This allows the lumbar support pad to move up and down within the cushion, achieving height adjustment. After adjusting to the desired position, tighten the nut to secure it against the mating groove, ensuring the lumbar support pad is stable and wobble-free. Multiple mating grooves provide multiple adjustment levels to meet different user needs and improve usability. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of a slide rail adjustable waist support proposed in this utility model;
[0015] Figure 2 This is a schematic diagram of the disassembled structure of a slide rail adjustable waist support proposed in this utility model;
[0016] Figure 3 This is a schematic diagram showing the disassembled structure of the lumbar support pad of the sliding rail adjustable lumbar support proposed in this utility model;
[0017] Figure 4 This is a schematic diagram of the back structure of a slide rail adjustable waist support proposed in this utility model.
[0018] In the diagram: 1. Backrest cushion; 2. Lumbar support cushion; 201. Mounting hole; 202. Connecting rubber parts; 203. Screw; 204. Nut; 205. Mating groove; 3. Slide groove; 4. Reinforcing rib; 5. Ventilation hole. Detailed Implementation
[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] Reference Figures 1-4 A sliding rail adjustable lumbar support includes a backrest 1, a lumbar support pad 2 provided at the lumbar support position of the backrest 1, and an adjustment structure provided on one side of the backrest 1. The adjustment structure includes a mounting hole 201 opened on one side of the backrest 1. The mounting hole 201 is strip-shaped. A connecting rubber part 202 is fixed to one side of the lumbar support pad 2. A screw 203 is fixed inside the connecting rubber part 202. One end of the screw 203 passes through the mounting hole 201 and is threadedly connected to a nut 204.
[0023] In this embodiment, a plurality of mating grooves 205 are provided on one side of the cushion 1. All of the mating grooves 205 communicate with the mounting holes 201 and are evenly distributed along the length of the mounting holes 201. One end of the nut 204 abuts against the inside of the mating groove 205. By adjusting the structure, since the screw 203 is fixed within the connecting rubber part 202, the user rotates the nut 204 to move it on the screw 203. When one end of the nut 204 disengages from the mating groove 205, the user lifts the nut 204, causing the screw 203 to move within the mounting hole 201. The screw 203 slides internally, and the connecting rubber part 202 drives the lumbar support pad 2 to move up and down inside the cushion 1, thereby adjusting the height of the lumbar support pad 2. When the lumbar support pad 2 is adjusted to a suitable position, the user tightens the nut 204, so that one end of the nut 204 abuts against the inside of the corresponding mating groove 205, thereby fixing the position of the lumbar support pad 2. The mating groove 205 and the nut 204 can make the nut 204 lock more tightly in all directions without shaking. At the same time, multiple mating grooves 205 can facilitate users to adjust and fix in multiple positions, meet the needs of different people, and improve the use effect.
[0024] In this embodiment, two grooves 3 are provided on one side of the cushion 1, and the mounting hole 201 is located between the two grooves 3. The connecting adhesive part 202 is slidably disposed inside the groove 3. When the lumbar support pad 2 is adjusted up and down, the connecting adhesive part 202 slides up and down in the groove 3, making the sliding smoother and eliminating the risk of the lumbar support pad 2 falling off.
[0025] In this embodiment, the connecting adhesive part 202 has an arch-shaped structure. Both ends of the connecting adhesive part 202 are bent toward the lumbar support pad 2 and the middle is raised, so as to provide elastic support for the lumbar support pad 2.
[0026] In this embodiment, the back and bottom of the cushion 1 are provided with several reinforcing ribs 4. The reinforcing ribs 4 and the cushion 1 are integrally formed. The perimeter of the cushion 1 is thickened. The reinforcing ribs 4 can enhance the overall strength of the cushion 1. At the same time, the perimeter of the cushion 1 is thickened to further improve its support performance and durability.
[0027] In this embodiment, ventilation holes 5 are provided on both the back and bottom surfaces of the cushion 1. The ventilation holes 5 can prevent the cushion from getting too hot during use.
[0028] Working principle: During use, since screw 203 is fixed inside connecting rubber part 202, the user rotates nut 204 to move it on screw 203. When one end of nut 204 disengages from the mating groove 205, the user lifts nut 204, causing screw 203 to slide within mounting hole 201. Screw 203, through connecting rubber part 202, causes lumbar support pad 2 to move up and down within cushion 1, thereby adjusting the height of lumbar support pad 2. When lumbar support pad 2 is adjusted to the appropriate position, the user tightens nut 204, causing one end of nut 204 to abut against the corresponding mating groove 205, thus fixing the position of lumbar support pad 2. The mating of the nut 204 ensures a tighter, more secure lock in all directions, preventing any wobble. Multiple mating grooves 205 allow for multi-level adjustment and fixation, catering to different user needs. When the lumbar support pad 2 is adjusted up and down, the connecting rubber part 202 slides smoothly within the groove 3, preventing the pad from falling off. The connecting rubber part 202 bends towards the lumbar support pad 2 at both ends and bulges in the middle, providing elastic support. The reinforcing rib 4 enhances the overall strength of the backrest 1, and the perimeter of the backrest 1 is thickened to further improve its support performance and durability. Ventilation holes 5 prevent overheating during use.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A slide rail adjusting waist support comprising a cushion (1), characterized in that: The waist support pad (2) is arranged at the waist support position of the cushion (1), one side of the cushion (1) is provided with an adjusting structure, the adjusting structure comprises a mounting hole (201) arranged on one side of the cushion (1), the mounting hole (201) is in a strip shape, one side of the waist support pad (2) is fixedly provided with a connecting rubber piece (202), the connecting rubber piece (202) is internally fixedly provided with a screw (203), one end of the screw (203) penetrates through the mounting hole (201) and is threadedly connected with a nut (204).
2. The slide rail adjusting waist support according to claim 1, wherein, A plurality of matching grooves (205) are arranged on one side of the cushion (1), the plurality of matching grooves (205) are in communication with the mounting hole (201), the plurality of matching grooves (205) are uniformly distributed along the length direction of the mounting hole (201), and one end of the nut (204) abuts against the inside of the matching groove (205).
3. The slide rail adjusting waist support according to claim 2, wherein, Two sliding grooves (3) are arranged on one side of the cushion (1), and the mounting hole (201) is located between the two sliding grooves (3); the connecting rubber piece (202) is slidingly arranged in the sliding grooves (3).
4. The slide rail adjusting waist support according to claim 3, wherein, The connecting rubber piece (202) is in an arch-shaped structure, the two ends of the connecting rubber piece (202) are curved towards the waist support pad (2), and the middle part of the connecting rubber piece (202) is raised.
5. The slide rail adjusting waist support according to claim 4, wherein, A plurality of reinforcing ribs (4) are arranged on the back and bottom of the cushion (1), the reinforcing ribs (4) and the cushion (1) are in an integral forming structure, and the periphery of the cushion (1) is thickened.
6. The slide rail adjusting waist support according to claim 5, wherein, Ventilation holes (5) are arranged on the back and bottom of the cushion (1).
Citation Information
Patent Citations
Adjustable waist-protecting back cushion
CN219500709U