A two-airbag pneumatic lumbar support assembly

Abstract

The utility model relates to the technical field of pneumatic lumbar support, and discloses a two-air bag pneumatic lumbar support assembly, including an air pump and a cushion, a sealing strip fixedly connected to the top of the air pump, two air pump air pipes fixedly connected to the top of the sealing strip, a fixing ring fixedly connected to the left side of the two air pump air pipes, a connecting ring slidably connected to the outside of the two fixing rings, a sealing ring fixedly connected to the inside of the two connecting rings, a sliding groove is provided inside the two connecting rings, a plurality of sliding grooves are slidably connected to the inside of sliding columns, a rotating plate is rotatably connected to the right side of every three sliding columns, a moving plate is rotatably connected to the right side of the plurality of rotating plates, and an extrusion ring is slidably connected to the inside of the two connecting rings. In the utility model, not only the stability of the connection between the air pump air pipe and the air bag can be guaranteed, but also the sealing of the connection can be guaranteed, thereby ensuring the stable delivery of gas.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic waist support, in particular to a two-air bag pneumatic waist support assembly. Background Art

[0002] The pneumatic lumbar support assembly is a lumbar support system for car seats. It adjusts the position and strength of the lumbar support by inflating and deflating the airbag. The function of the pneumatic lumbar support assembly is to provide ergonomic lumbar support to help drivers and passengers reduce lumbar fatigue and discomfort when using the car for a long time.

[0003] After searching, the Chinese patent document announcement number is: CN215097176U. The utility model discloses a pneumatic lumbar support assembly, which includes a pump valve assembly, a mounting plate and an air bag. The air bag is fixed on the mounting plate, the pump valve assembly is fixed on the seat frame and is located on one side of the air bag. A first air pipe is led out from the pump valve assembly, and a second air pipe is led out from the air bag. The first air pipe and the second air pipe are connected by two-way pipes. The above-mentioned pneumatic lumbar support assembly has improved assemblability, and the air bag, the second air pipe, and the two-way pipe assembly can be pre-fixed on the mounting plate in advance. This part of the assembly is not affected by the customer's requirements for the length of the air pipe; the disassembly is improved, and when the assembly product is unqualified, the defective parts can be removed from the two-way pipe in a targeted manner; saving production costs, reducing the cost of production rework, and reducing scrap losses; quickly responding to customers, whether it is early sample production or later mass production of product defects, can quickly respond to customer requirements.

[0004] Although the above patent mentioned in the specification that "assemblability is improved: the air bag, the second air pipe, and the two-way pipe assembly can be pre-fixed on the mounting plate in advance, and this part of the assembly is not affected by the customer's requirements for the air pipe length", the sealing of the connection between the air pump air pipe and the air bag of some existing pneumatic lumbar support assemblies is not good. Therefore, in view of the above shortcomings, a two-air bag pneumatic lumbar support assembly is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a two-air bag pneumatic lumbar support assembly, aiming to improve the problem that the connection between some air bag air pump air pipes in the prior art is not stable enough, resulting in poor sealing.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A two-air bag pneumatic lumbar support assembly comprises an air pump and a cushion, wherein a sealing strip is fixedly connected to the top of the air pump, and two air pump air pipes are fixedly connected to the top of the sealing strip, and a fixing ring is fixedly connected to the left side of the two air pump air pipes, and a connecting ring is slidably connected to the outside of the two fixing rings, and a sealing ring is fixedly connected to the inside of the two connecting rings, and sliding grooves are provided in the inside of the two connecting rings, and sliding columns are slidably connected to the inside of a plurality of sliding grooves, and a rotating plate is rotatably connected to the right side of every three sliding columns, and a moving plate is rotatably connected to the right side of a plurality of rotating plates, and an extrusion ring is slidably connected to the inside of the two connecting rings, and two sleeves are fixedly connected to the right side of the two extrusion rings, and a reset assembly is arranged inside the two sleeves, and two inclined columns are fixedly connected to the left side of the outside of the two fixing rings, and the air bag body is fixedly connected to the outside of the two connecting rings.

[0008] Furthermore, the plurality of reset assemblies each include a sliding rod, the exteriors of the plurality of sliding rods are respectively slidably connected to the interiors of the plurality of sleeves, the interiors of the plurality of sleeves are each provided with a spring, and the interiors of the plurality of sleeves are each slidably connected to a limiting disk.

[0009] Furthermore, the front side of the cushion is rotatably connected to a rotating shaft, the front side of the rotating shaft is rotatably connected to a support plate, the interior of the cushion is rotatably connected to a gear, the interior right side of the cushion is slidably connected to rack 1, the front side of rack 1 is fixedly connected to a connecting plate, the front side of the connecting plate is fixedly connected to a triangular block, and the interior of the cushion is slidably connected to rack 2.

[0010] Furthermore, a rotating disk is fixedly connected to the rear side of the gear, and a pressing valve is arranged on the right side of the outside of the air pump.

[0011] Further, the outside of the fixing ring is slidably connected to the inside of the spring, and the outside of the fixing ring is slidably connected to the inside of the extrusion ring.

[0012] Furthermore, the left side of the inclined column is in contact with the outside of the rotating plate, and the right side of the limiting plate is fixedly connected to the left side of the sliding rod.

[0013] Furthermore, one end of the spring is fixedly connected to the inside of the sleeve, and the other end of the spring is fixedly connected to the left side of the limiting plate.

[0014] Furthermore, the gear is meshed with the first rack, the gear is meshed with the second rack, and the front side of the second rack is fixedly connected to the rear side of the airbag body.

[0015] Furthermore, the sensor control component includes a felt board, the outer portion of the felt board is installed on the inner left side of the cushion, the inner right lower end of the cushion is fixedly connected to a pressure sensor, and the inner right upper end of the cushion is fixedly connected to a control module.

[0016] The utility model has the following beneficial effects:

[0017] 1. In the utility model, through the coordinated use of sealing strips, air pump air pipes, fixed rings, connecting rings, sealing rings, sliding grooves, sliding columns, rotating plates, moving plates, extrusion rings, sleeves, sliding rods, springs, limit plates, inclined columns and other structures, not only the stability of the connection between the air pump air pipe and the air bag can be guaranteed, but also the sealing of the connection can be guaranteed, thereby ensuring the stable delivery of gas.

[0018] 2. In the utility model, by using the rotating shaft, support plate, gear, rotating disk, rack 1, connecting plate, triangular block, rack 2 and other structures in coordination, the height of the airbag can be fine-tuned and the angle of the airbag can be adjusted, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a two-air bag pneumatic lumbar support assembly proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the connecting ring structure of a two-airbag pneumatic waist support assembly proposed by the utility model;

[0021] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the internal structure of a sleeve of a two-air bag pneumatic waist support assembly proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the gear structure of a two-airbag pneumatic waist support assembly proposed by the utility model;

[0024] Figure 6 The utility model discloses a cushion structure schematic diagram of a two-airbag pneumatic lumbar support assembly.

[0025] Legend:

[0026] 1. Air pump; 2. Sealing strip; 3. Air pump air pipe; 4. Fixed ring; 5. Connecting ring; 6. Sealing ring; 7. Sliding groove; 8. Sliding column; 9. Rotating plate; 10. Moving plate; 11. Extrusion ring; 12. Sleeve; 13. Sliding rod; 14. Spring; 15. Limiting plate; 16. Tilt column; 17. Airbag body; 18. Cushion; 19. Rotating shaft; 20. Support plate; 21. Gear; 22. Rotating plate; 23. Rack 1; 24. Connecting plate; 25. Triangular block; 26. Rack 2; 27. Press valve; 28. Felt plate; 29. ​​Pressure sensor; 30. Control module. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a two-air bag pneumatic lumbar support assembly, including an air pump 1 and a cushion 18. The air pump 1 is used to generate gas pressure to inflate and adjust the gas of the air bag body 17. The top of the air pump 1 is fixedly connected with a sealing strip 2. The sealing strip 2 ensures the sealing of the air pump 1 with the external environment to prevent gas leakage. The top of the sealing strip 2 is fixedly connected with two air pump air pipes 3. The air pump air pipes 3 are responsible for transporting the gas generated by the air pump 1 to other components. The left sides of the two air pump air pipes 3 are fixedly connected with a fixing ring 4. The fixing ring 4 plays a fixing and supporting role. The outsides of the two fixing rings 4 are slidably connected with connecting rings 5. The insides of the two connecting rings 5 ​​are fixedly connected with sealing rings 6. The sealing rings 6 improve the sealing effect of the system. The insides of the two connecting rings 5 ​​are A sliding groove 7 is provided, and a plurality of sliding grooves 7 are slidably connected inside with a sliding column 8, and the sliding groove 7 is used as a sliding space for the sliding column 8, and a rotating plate 9 is rotatably connected to the right side of every three sliding columns 8, and a moving plate 10 is rotatably connected to the right side of the plurality of rotating plates 9, and the moving plate 10 is used to transmit motion or force, and an extrusion ring 11 is slidably connected inside the two connecting rings 5, and the extrusion ring 11 is designed here to transmit the displacement of the moving plate 10, and the outside of the fixed ring 4 is slidably connected to the inside of the extrusion ring 11, and the right sides of the two extrusion rings 11 are fixedly connected with two sleeves 12, and the inside of the two sleeves 12 is provided with a reset assembly, and the plurality of reset assemblies include a sliding rod 13, and the outsides of the plurality of sliding rods 13 are respectively slidably connected to the inside of the plurality of sleeves 12;

[0029] A spring 14 is provided inside the multiple sleeves 12, and the outside of the fixed ring 4 is slidably connected to the inside of the spring 14. One end of the spring 14 is fixedly connected to the inside of the sleeve 12, and the other end of the spring 14 is fixedly connected to the left side of the limit plate 15. The spring 14 provides elastic force and reset force. The inside of the multiple sleeves 12 is slidably connected to the limit plate 15. The limit plate 15 is designed here to limit the displacement of the sliding rod 13. The right side of the limit plate 15 is fixedly connected to the left side of the sliding rod 13. Two inclined columns 16 are fixedly connected to the left sides of the outsides of the two fixed rings 4. The left sides of the inclined columns 16 are in contact with the outside of the rotating plate 9. The inclined columns 16 are used to guide the movement of the rotating plate 9. The outsides of the two connecting rings 5 ​​are fixedly connected with an airbag body 17. The airbag body 17 is a key part of the pneumatic lumbar support and is used to provide lumbar support.

[0030] Reference Figure 3 - Figure 5 The front side of the cushion 18 is rotatably connected to the rotating shaft 19, and the front side of the rotating shaft 19 is rotatably connected to the support plate 20. The rear side of the gear 21 is fixedly connected to the rotating disk 22. The inside of the cushion 18 is rotatably connected to the gear 21. The right side of the inside of the cushion 18 is slidably connected to a rack 1 23. The gear 21 meshes with the rack 1 23 for transmitting power. The gear 21 and the rack 1 23 are meshed. The front side of the rack 1 23 is fixedly connected to a connecting plate 24. The front side of the connecting plate 24 is fixedly connected to a triangular block 25. The triangular block 25 can adjust the angle of the support plate 20. The inside of the cushion 18 is slidably connected to a rack 26. The rack 26 meshes with the gear 21 to achieve power transmission. The gear 21 and the rack 26 are meshed. , a press valve 27 is arranged on the right side of the outside of the air pump 1, and the press valve 27 is arranged on the right side of the outside of the air pump 1, and is used to control the start and stop of the air pump 1, and to adjust the output pressure of the gas. The sensing control component includes a felt plate 28, and the outside of the felt plate 28 is installed on the left side of the inside of the cushion 18. The felt plate 28 is the core of the sensing control component, which is responsible for receiving the signal of the sensor and processing this information to control the function of the cushion 18. Placing the felt plate 28 on one side of the inside of the cushion 18 can protect it from external interference and damage, and it is also convenient for wiring and maintenance. A pressure sensor 29 is fixedly connected to the lower end of the right side of the inside of the cushion 18. The pressure sensor 29 is a device for detecting the pressure distribution applied by the user on the cushion 18. It is located at the lower right end of the inside of the cushion 18. Such an arrangement helps to more accurately capture the changes in pressure when the user's sitting posture changes. A control module 30 is fixedly connected to the upper right end of the inside of the cushion 18, and the control module 30 is the brain of the entire sensing control component. It receives data from the pressure sensor 29 and adjusts the inflation state of the airbags in the cushion 18 according to a preset program to provide appropriate support strength and improve the user's comfort.

[0031] Working principle: When it is necessary to connect the fixing ring 4 and the airbag body 17, the fixing ring 4 and the connecting ring 5 can be engaged. As the fixing ring 4 enters, the tilting column 16 will be displaced. At this time, the tilting column 16 will contact the rotating plate 9 and the rotating plate 9 will rotate. At this time, the sliding column 8 will slide inside the sliding groove 7, and then the moving plate 10 will be displaced. At this time, the extrusion ring 11 will also be displaced, and then the sleeve 12 will be displaced, and then the spring 14 will be compressed and rebounded. At this time, the elastic force of the spring 14 will make the sliding rod 13 is subjected to force, and the sealing ring 6 can be squeezed, so that the sealing performance can be improved. When the airbag is adjusted, the rotating disk 22 can be rotated, and the gear 21 can be rotated. At this time, the rack 1 23 and the rack 2 26 will be displaced. The front side of the rack 26 is fixedly connected to the rear side of the airbag body 17. The displacement of the rack 26 can drive the height of the airbag body 17 to be adjusted, and the displacement of the rack 1 23 can make the connecting plate 24 displaced, and then the displacement of the triangular block 25 can make the triangular block 25 squeeze the support plate 20, so as to achieve angle adjustment.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A two-airbag pneumatic lumbar support assembly, comprising an air pump (1) and a cushion (18), characterized in that: The top of the air pump (1) is fixedly connected to a sealing strip (2), the top of the sealing strip (2) is fixedly connected to two air pump air pipes (3), the left sides of the two air pump air pipes (3) are fixedly connected to a fixing ring (4), the outsides of the two fixing rings (4) are slidably connected to a connecting ring (5), the insides of the two connecting rings (5) are fixedly connected to a sealing ring (6), the insides of the two connecting rings (5) are provided with a sliding groove (7), the insides of the plurality of sliding grooves (7) are slidably connected to a sliding column (8), and the right sides of every three sliding columns (8) are rotatably connected to the sealing ring (6). A rotating plate (9) is connected, and the right sides of the rotating plates (9) are rotatably connected to the movable plates (10), the interiors of the two connecting rings (5) are slidably connected to the extrusion rings (11), the right sides of the two extrusion rings (11) are fixedly connected to two sleeves (12), and the interiors of the two sleeves (12) are provided with reset components, the exteriors of the two fixed rings (4) are fixedly connected to two inclined columns (16), the exteriors of the two connecting rings (5) are fixedly connected to the airbag bodies (17), and the interiors of the cushions (18) are provided with sensor control components.

2. A two-airbag pneumatic lumbar support assembly according to claim 1, characterized in that: The plurality of reset assemblies each comprise a sliding rod (13), the exteriors of the plurality of sliding rods (13) are respectively slidably connected to the interiors of the plurality of sleeves (12), the interiors of the plurality of sleeves (12) are each provided with a spring (14), and the interiors of the plurality of sleeves (12) are each slidably connected to a limiting disk (15).

3. The two-airbag pneumatic lumbar support assembly according to claim 1, characterized in that: The front side of the back cushion (18) is rotatably connected to a rotating shaft (19), the front side of the rotating shaft (19) is rotatably connected to a support plate (20), the interior of the back cushion (18) is rotatably connected to a gear (21), the right side of the interior of the back cushion (18) is slidably connected to a rack 1 (23), the front side of the rack 1 (23) is fixedly connected to a connecting plate (24), the front side of the connecting plate (24) is fixedly connected to a triangular block (25), and the interior of the back cushion (18) is slidably connected to a rack 2 (26).

4. A two-airbag pneumatic lumbar support assembly according to claim 3, characterized in that: A rotating disk (22) is fixedly connected to the rear side of the gear (21), and a pressing valve (27) is arranged on the right side of the outside of the air pump (1).

5. The two-airbag pneumatic lumbar support assembly according to claim 2, characterized in that: The outside of the fixing ring (4) is slidably connected to the inside of the spring (14), and the outside of the fixing ring (4) is slidably connected to the inside of the extrusion ring (11).

6. The two-airbag pneumatic lumbar support assembly according to claim 2, characterized in that: The left side of the inclined column (16) contacts the outside of the rotating plate (9), and the right side of the limiting plate (15) is fixedly connected to the left side of the sliding rod (13).

7. The two-airbag pneumatic lumbar support assembly according to claim 2, characterized in that: One end of the spring (14) is fixedly connected to the inside of the sleeve (12), and the other end of the spring (14) is fixedly connected to the left side of the limiting plate (15).

8. The two-airbag pneumatic lumbar support assembly according to claim 3, characterized in that: The gear (21) is meshed with the rack 1 (23), the gear (21) is meshed with the rack 2 (26), and the front side of the rack 2 (26) is fixedly connected to the rear side of the airbag body (17).

9. The two-airbag pneumatic lumbar support assembly according to claim 1, characterized in that: The sensing control component comprises a felt plate (28), the outer portion of the felt plate (28) being mounted on the inner left side of the cushion (18), the inner right lower end of the cushion (18) being fixedly connected to a pressure sensor (29), and the inner right upper end of the cushion (18) being fixedly connected to a control module (30).

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