Pressure-adjustable sitting and lying dual-purpose pressure sore prevention cushion
By designing a double-layer structure and an electric telescopic rod driven gear rack structure, this dual-use anti-pressure sore seat cushion solves the problem of poor blood circulation in the thigh area caused by hollow seat cushions, achieving an effective massage effect and improving the comfort of using the cushion.
Patent Information
- Application Number
- CN202422369962.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing hollow design of the seat cushion can easily lead to poor blood circulation in the thigh area, causing numbness and poor performance.
An adjustable pressure seat cushion for sitting and lying down to prevent pressure sores has been designed. It adopts a double-layer structure, with an inner layer of airbags and an outer layer of soft, skin-friendly sponge. The massage head reciprocates through a gear and rack structure driven by an electric telescopic rod, providing point pressure massage.
It effectively prevents poor blood circulation in the thighs when sitting for long periods of time, improving the comfort and effectiveness of the seat cushion.
Smart Images

Figure CN223627227U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of seat cushion, specifically adjustable pressure sitting and lying dual -purpose pressure sore prevention seat cushion. BACKGROUND
[0002] A seat cushion is a kind of cushion for increasing the comfort of a seat, usually placed on a chair or sofa. The material of the seat cushion is various, including foam, cotton, down, etc., and the outer layer can be cloth, leather, etc. The seat cushion not only can provide additional comfort, but also can improve the sitting posture and reduce the discomfort caused by long time sitting.
[0003] The existing pressure sore prevention seat cushion is usually hollow design, which can effectively reduce the pressure and shear force of sacrococcygeal part during use, thereby reducing the occurrence of pressure sores. However, the hollow design of the seat cushion will make most of the stress position in the thigh part of the people during use, and long time sitting will easily cause blood circulation numbness, which is not very good in use. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of adjustable pressure sitting and lying dual -purpose pressure sore prevention seat cushion to solve the problem that the hollow design of the seat cushion in prior art will make most of the stress position in the thigh part of the people during use, and long time sitting will easily cause blood circulation numbness, which is not very good in use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including seat cushion body, the bottom of seat cushion body is fixedly installed with silica gel bottom pad, the outside of seat cushion body is fixedly installed with air inlet pipe and air outlet pipe, the one end of air inlet pipe and air outlet pipe all penetrates seat cushion body and is communicated with seat cushion body inside, the inside of air inlet pipe is installed with one-way air inlet valve, the inside of air outlet pipe is installed with air outlet valve, the top of silica gel bottom pad is provided with massage structure, the massage structure includes two fixed frames, two fixed frames are all fixedly installed on the top of silica gel bottom pad, the inside of fixed frame is rotatably installed with rotating shaft, the outside of rotating shaft is fixedly installed with a plurality of first gear, the outside of a plurality of first gear is all hingedly connected with two first gear racks, the top of a plurality of first gear racks is all fixedly installed with massage head.
[0006] Preferably, the fixed frame is provided with a plurality of sliding grooves, and a plurality of first gear racks are arranged in the sliding grooves and in sliding contact with the fixed frame. The sliding grooves in the fixed frame can effectively limit the first gear racks.
[0007] Preferably, the cushion body is a double-layer design, the inner layer of the cushion body is a gas bag design, and the outer layer of the cushion body is a flexible skin-friendly sponge design.
[0008] Preferably, one end of the rotating shaft penetrates through the fixing frame and is fixedly installed with a second gear, and the outer side of the second gear is engaged with a second rack.
[0009] Preferably, the fixing frame is fixedly installed with two limiting frames on one side, the second rack penetrates through the two limiting frames and is in sliding contact with the two limiting frames, the limiting frames can effectively limit the second rack, ensure that the position of the second rack does not change, and prevent the second rack from moving and the second gear from disengaging.
[0010] Preferably, the fixing frame is fixedly installed with an L-shaped support plate on one side, the L-shaped support plate is fixedly installed with an electric telescopic rod on one side, the bottom of the second rack is fixedly installed with a connecting plate, and one end of the electric telescopic rod is fixedly connected with the connecting plate.
[0011] Preferably, the top of the cushion body is provided with a plurality of massage protrusions, the top of the cushion body is provided with a waist placing opening on the other side, the positions of the plurality of massage heads correspond to the plurality of massage protrusions one by one, the front of the cushion body is fixedly installed with a start button, and the start button is electrically connected with the two electric telescopic rods.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The connecting plate is driven by the electric telescopic rod to move back and forth, the second rack moves accordingly, the second gear is driven to rotate back and forth, the rotating shaft rotates back and forth accordingly, the plurality of first gears rotate together, the first racks on both sides of the plurality of first gears move up and down back and forth, the plurality of massage heads press and massage the thigh part of the human body through the plurality of massage protrusions, the numbness caused by long-time compression of the thigh part is effectively prevented, and the use effect of the cushion is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model of a pressure-adjustable sitting and lying dual-purpose anti-pressure sore cushion.
[0015] Figure 2 It is a whole structure rear view of the utility model of a pressure-adjustable sitting and lying dual-purpose anti-pressure sore cushion.
[0016] Figure 3This is a cross-sectional view of the overall structure of an adjustable pressure-resistant anti-pressure sore cushion for both sitting and lying down according to this utility model.
[0017] Figure 4 This is a schematic diagram of the massage structure of an adjustable pressure seat cushion for both sitting and lying down to prevent pressure sores, according to this utility model.
[0018] The following are labeled in the diagram: 1. Seat cushion body; 101. Massage bumps; 102. Waist support opening; 2. Start button; 3. Air inlet pipe; 4. Air outlet pipe; 5. Silicone base pad; 6. Fixing frame; 7. Rotating shaft; 8. Gear No. 1; 9. Rack No. 1; 10. Massage head; 11. Gear No. 2; 12. Rack No. 2; 13. Limiting frame; 14. L-shaped support plate; 15. Electric telescopic rod; 16. Connecting plate. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for an adjustable pressure-adjustable seat cushion for both sitting and lying down to prevent pressure sores. It includes a cushion body 1, a silicone base pad 5 fixedly installed at the bottom of the cushion body 1, an air inlet pipe 3 and an air outlet pipe 4 fixedly installed on the outer side of the cushion body 1, one end of each air inlet pipe 3 and air outlet pipe 4 penetrating the cushion body 1 and connecting to the inner side of the cushion body 1, a one-way air inlet valve installed on the inner side of the air inlet pipe 3, and an air outlet valve installed on the inner side of the air outlet pipe 4. A massage structure is provided on the top of the silicone base pad 5, the massage structure including two fixing frames 6, both fixedly installed on the top of the silicone base pad 5, a rotating shaft 7 rotatably installed on the inner side of the fixing frames 6, and several No. 1 gears 8 fixedly installed on the outer side of the rotating shaft 7. Two No. 1 racks 9 are meshed with the outer sides of each of the No. 1 gears 8, and massage heads 10 are fixedly installed on the top of each of the No. 1 racks 9.
[0021] The fixed frame 6 has several sliding grooves, and several No. 1 racks 9 are respectively set inside the several sliding grooves and slide in contact with the fixed frame 6.
[0022] The seat cushion body 1 has a double-layer design. The inner layer of the seat cushion body 1 is an airbag design, and the outer layer of the seat cushion body 1 is a soft and skin-friendly sponge design.
[0023] One end of the rotating shaft 7 passes through the fixing frame 6 and is fixedly installed with the second gear 11. The outer side of the second gear 11 is meshed with the second rack 12.
[0024] The fixed frame 6 is fixedly provided with two limiting frames 13, and the second rack 12 penetrates through the two limiting frames 13 and is in sliding contact with the two limiting frames 13.
[0025] The fixed frame 6 is fixedly provided with an L-shaped support plate 14, the L-shaped support plate 14 is fixedly provided with an electric telescopic rod 15 at one side, the second rack 12 is fixedly provided with a connecting plate 16 at the bottom, and one end of the electric telescopic rod 15 is fixedly connected with the connecting plate 16.
[0026] The top of the cushion body 1 is provided with a plurality of massage convex points 101, the other side of the top of the cushion body 1 is provided with a waist placing opening 102, the positions of the plurality of massage heads 10 correspond to the positions of the plurality of massage convex points 101 one by one, the cushion body 1 is fixedly provided with a starting button 2 at the front, and the starting button 2 is electrically connected with the two electric telescopic rods 15.
[0027] It should be noted that the utility model is a pressure-adjustable sitting and lying dual-purpose anti-pressure sore cushion, in use, one end of the air pump is connected with the air inlet pipe 3, then the inside of the cushion body 1 is inflated, due to the one-way air inlet valve of the air inlet pipe 3, the gas leakage does not occur, after the inflation is completed, the cushion is formed, and people can sit down and use, when the inside gas of the cushion body 1 needs to be released and adjusted, the air outlet valve of the air outlet pipe 4 is opened, so that the inside gas of the cushion body 1 is released and adjusted, when people lie down and use, the position of the human waist can be attached to the cushion body 1 through the waist placing opening 102, if the back is away from the bed body, the quilt pad is placed on the back, and the like;
[0028] When the thigh part needs to be massaged, the starting button 2 is pressed, the two electric telescopic rods 15 electrically connected with the starting button 2 are started, the electric telescopic rod 15 of the application adopts the prior art, and excessive description is not made, the electric telescopic rod 15 drives the connecting plate 16 to reciprocatingly move, the second rack 12 moves along, thereby driving the second gear 11 to mesh and rotate back and forth, the rotating shaft 7 rotates back and forth along, thereby driving the plurality of first gears 8 to rotate, thereby driving the first rack 9 on the two sides of the plurality of first gears 8 to reciprocatingly move up and down, the plurality of massage heads 10 press and massage the thigh part of the human body through the plurality of massage convex points 101, the use effect of the cushion is improved.
Claims
1. An adjustable pressure relief mattress for use in both sitting and lying positions, characterized in that: The utility model provides a kind of air massaging cushion, including cushion body (1), the bottom of the cushion body (1) is fixedly installed with silica gel bottom pad (5), the outside of the cushion body (1) is fixedly installed with air inlet pipe (3) and air outlet pipe (4), one end of the air inlet pipe (3) and air outlet pipe (4) is all through cushion body (1) and with the inside of cushion body (1) is connected, the inside of the air inlet pipe (3) is installed with one-way air inlet valve, the inside of the air outlet pipe (4) is installed with air outlet valve, the top of the silica gel bottom pad (5) is provided with massage structure, the massage structure includes two fixed frame (6), two the fixed frame (6) is fixedly installed on the top of silica gel bottom pad (5), the inside of the fixed frame (6) is rotatably installed with pivot (7), the outside of the pivot (7) is fixedly installed with a plurality of first gear (8), the outside of a plurality of the first gear (8) is all engaged with two first rack (9), the top of a plurality of the first rack (9) is fixedly installed with massage head (10).
2. The pressure-adjustable sitting and lying dual-purpose anti-pressure-sore mattress according to claim 1, characterized in that: The fixed frame (6) is provided with a plurality of grooves, and a plurality of the first rack (9) are arranged in the grooves and in sliding contact with the fixed frame (6).
3. The pressure-adjustable sitting and lying dual-purpose anti-pressure-sore mattress according to claim 1, characterized in that: The cushion body (1) is designed as a double-layer type, the inner layer of the cushion body (1) is designed as an air bag, and the outer side of the cushion body (1) is designed as a flexible skin-friendly sponge.
4. The pressure-adjustable sitting and lying dual-purpose anti-pressure-sore mattress according to claim 1, characterized in that: One end of the pivot (7) penetrates the fixed frame (6) and is fixedly installed with a second gear (11), and the outside of the second gear (11) is engaged with a second rack (12).
5. The adjustable pressure relief seat cushion for sitting and lying according to claim 4, characterized in that: One side of the fixed frame (6) is fixedly installed with two limiting frames (13), and the second rack (12) penetrates the two limiting frames (13) and is in sliding contact with the two limiting frames (13).
6. The adjustable pressure relief seat cushion for sitting and lying according to claim 4, characterized in that: One side of the fixed frame (6) is fixedly installed with an L-shaped support plate (14), one side of the L-shaped support plate (14) is fixedly installed with an electric telescopic rod (15), the bottom of the second rack (12) is fixedly installed with a connecting plate (16), and one end of the electric telescopic rod (15) is fixedly connected with the connecting plate (16).
7. The pressure-adjustable sitting and lying dual-purpose anti-pressure-sore mattress according to claim 1, characterized in that: The top of the cushion body (1) is provided with a plurality of massage protrusions (101), the other side of the top of the cushion body (1) is provided with a waist placement opening (102), the positions of the plurality of massage heads (10) correspond one-to-one with the positions of the plurality of massage protrusions (101), the front of the cushion body (1) is fixedly installed with a start button (2), and the start button (2) is electrically connected with the two electric telescopic rods (15).