Durable seat air spring

Abstract

The utility model relates to a durable seat air spring, which belongs to the technical field of air springs and comprises an air spring air bag, two connecting plates, an upper placement frame, a lower placement frame, a positioning nut and a dust cover, the two connecting plates are respectively mounted at two ends of the air spring air bag and are fixedly connected with threaded rods, and the threaded rods are fixedly connected with the air spring air bag. The upper placement frame and the lower placement frame can be connected with the connecting plate through the threaded rods and the positioning nuts. According to the air spring, the outer protection structure is arranged, the rubber air bag of the air spring can be isolated and protected, external light, oxygen, oil dirt and dust are difficult to enter, and therefore the service life of the air spring can be further prolonged; and the outer protection structure can limit and protect the air spring, so that the seat air spring has better anti-explosion effect and durability.

Description

Technical Field

[0001] This utility model relates to the field of air spring technology, and in particular to a durable seat air spring. Background Technology

[0002] An air spring is made by filling a sealed container with compressed air, utilizing the compressibility of gas to achieve its elastic effect. Air springs have ideal non-linear elastic characteristics. When equipped with a height adjustment device, the vehicle height does not change with the increase or decrease of load. The spring stiffness can be designed to be low, resulting in good ride comfort. They are commonly used in car seats.

[0003] A search revealed that Chinese patent application number CN202123221234.3 discloses an air spring for car seats with excellent explosion-proof performance. Through the cooperation of the working mechanism and the explosion-proof mechanism, an air spring for car seats with excellent explosion-proof performance is achieved, which greatly improves the explosion-proof effect of the air spring body. Even after long-term use, the air spring body will not break when encountering other pressure effects, which greatly extends the service life of the air spring and avoids unnecessary economic losses. By setting auxiliary telescopic rods and auxiliary springs, the shock absorption effect of the air spring is further improved.

[0004] The above-mentioned technical solution has the following drawbacks. Although such seat air spring structures are equipped with external auxiliary telescopic rods and auxiliary springs, which can further improve the explosion resistance and durability of the air spring, in actual use, air springs are usually made of rubber. Rubber materials exposed to the outside for a long time are prone to accelerated aging due to oxygen, light, oil, and dust, affecting their service life. To further improve the service life of seat air springs, a durable seat air spring is proposed, which is equipped with an external protective structure to isolate and protect the rubber air bladder of the air spring, making it difficult for external light, oxygen, oil, and dust to enter, thereby further improving the service life of the air spring. With the external protective structure, when the spring is subjected to large load pressure, the external protective structure can limit the air spring, giving the seat air spring better explosion resistance and durability.

[0005] In view of this, this work improves and solves the above problems. Through dedicated research and application of theoretical principles, a technical solution with a reasonable design that can effectively improve the above defects has finally been proposed.

[0006] The information disclosed in this background section is intended only to enhance the understanding of the general background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] This utility model provides a durable seat air spring that solves the problems mentioned in the background. It is equipped with an external protective structure to isolate and protect the rubber air bladder of the air spring, making it difficult for external light, oxygen, oil, and dust to enter, thereby further improving the service life of the air spring. With the external protective structure, the air spring can be limited and protected when subjected to large load pressure, so that the seat air spring has better explosion resistance and durability.

[0008] The present invention provides the following solution to the above-mentioned technical problems: A durable seat air spring includes an air spring airbag, a connecting plate, an upper mounting bracket, a lower mounting bracket, a positioning nut, and a dust cover. Two connecting plates are provided, each installed at one end of the air spring airbag. Both connecting plates are fixedly connected with threaded rods. The upper and lower mounting brackets are connected to the connecting plates via the threaded rods and positioning nuts. Mounting brackets are fixedly installed on both the upper and lower mounting brackets. Seat supports are fixedly connected to the mounting brackets via bolts. A limiting plate is fixedly connected to the mounting brackets. A limiting groove is formed on the lower mounting bracket corresponding to the limiting plate. Spring damping shock absorbers are uniformly fixedly installed on the inner wall of the limiting groove. A load-bearing support plate is fixedly connected to the spring damping shock absorbers. Flange rings are fixedly connected to both ends of the dust cover. The flange rings are connected to the upper or lower mounting bracket via bolts.

[0009] Based on the above technical solution, the present invention can be further improved as follows.

[0010] Furthermore, the limiting plate is configured as a ring structure, and the load-bearing support plate is configured as a ring structure adapted to the limiting plate. The limiting plate can fit tightly with the load-bearing support plate, so that the limiting plate can stably press down on the load-bearing support plate.

[0011] Furthermore, the flange ring, the upper mounting bracket, and the lower mounting bracket are evenly provided with bolt holes, so that the flange ring can be connected to the upper mounting bracket and the lower mounting bracket by bolts.

[0012] Furthermore, the inner wall of the air spring bladder is provided with a buffer block, which can buffer the air spring bladder when it is subjected to large compression deformation, thereby preventing the air spring bladder from being damaged due to large deformation.

[0013] Furthermore, a waist ring is provided at the middle position of the air spring airbag.

[0014] Furthermore, both the upper and lower mounting brackets have mounting holes corresponding to the threaded rod, allowing the threaded rod to pass through either the upper or lower mounting bracket.

[0015] Furthermore, both the upper and lower mounting frames are provided with four mounting brackets.

[0016] Furthermore, multiple spring-damped shock absorbers are provided, and these multiple spring-damped shock absorbers are evenly installed in the limiting groove. The multiple spring-damped shock absorbers can provide shock absorption and buffer protection for the air spring within the limiting groove.

[0017] This utility model provides a durable seat air spring with the following advantages:

[0018] 1. The connecting plate at the bottom of the air spring airbag can be connected to the lower mounting frame via a threaded rod and a positioning nut, allowing the air spring airbag to be installed inside the lower mounting frame. The dust cover and the upper mounting frame are then placed in sequence. The flange rings on both sides of the dust cover can be connected to the upper and lower mounting frames respectively via bolts. This installation structure facilitates assembly and allows the gap between the upper and lower mounting frames to be isolated and sealed by the dust cover, making it difficult for external air, light, oil, and dust to affect the air spring airbag, thereby effectively improving the service life of the air spring airbag.

[0019] 2. Both the upper and lower mounting frames are equipped with mounting brackets. The mounting brackets can be bolted to the seat support to cushion and absorb shocks to the seat. When compressed, the air spring can contract and deform to absorb shocks. The air spring is placed inside the upper and lower mounting frames. The upper and lower mounting frames can limit the deformation of the air spring on the outer wall, thus more evenly preventing the air spring from being damaged by explosion due to excessive deformation under pressure.

[0020] 3. The air spring bladder is equipped with a buffer block to support the connecting plate, which can further improve the air spring's explosion resistance. When the air spring bladder is compressed, the limiting plate at the bottom of the upper mounting frame can slide in the limiting groove. The limiting plate can squeeze the load-bearing support plate, thereby driving the spring damping shock absorber rod to compress. The spring damping shock absorber rod can buffer and dampen the downward pressure, thereby further improving the shock absorption effect of the air spring. Moreover, when subjected to greater pressure, it can be supported outside the air spring bladder, thereby further improving its pressure resistance and explosion resistance.

[0021] 4. This type of seat air spring structure has an external protective structure, which can isolate and protect the rubber air bladder of the air spring, making it difficult for external light, oxygen, oil, and dust to enter, thereby further improving the service life of the air spring. With the external protective structure, the air spring can be limited and protected when subjected to large load pressure, giving the seat air spring a better explosion resistance and durability.

[0022] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0023] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with their description, serve to explain the present invention, but do not constitute an undue limitation thereof. In the drawings:

[0024] Figure 1 This is a structural schematic diagram of a durable seat air spring provided in one embodiment of the present invention;

[0025] Figure 2 A split view of a durable seat air spring provided for one embodiment of this utility model;

[0026] Figure 3 A front view of a durable seat air spring provided in an embodiment of the present invention;

[0027] Figure 4 This is a top view of a durable seat air spring upper mounting bracket provided in one embodiment of the present invention.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1. Air spring airbag; 2. Connecting plate; 3. Threaded rod; 4. Upper mounting bracket; 5. Lower mounting bracket; 6. Positioning nut; 7. Mounting bracket; 8. Seat bracket; 9. Limiting plate; 10. Limiting groove; 11. Spring damping shock absorber rod; 12. Load-bearing support plate; 13. Dust cover; 14. Flange ring; 15. Bolt hole; 16. Buffer block; 17. Waist ring; 18. Mounting hole. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-4 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0031] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0033] like Figure 1-4 As shown, a durable seat air spring includes an air spring bladder 1, a connecting plate 2, an upper mounting bracket 4, a lower mounting bracket 5, a positioning nut 6, and a dust cover 13. Two connecting plates 2 are provided, each installed at one end of the air spring bladder 1. Both connecting plates 2 are fixedly connected to threaded rods 3. The upper mounting bracket 4 and the lower mounting bracket 5 are connected to the connecting plates 2 via the threaded rods 3 and the positioning nut 6. Mounting brackets 7 are fixedly installed on both the upper and lower mounting brackets 4 and 5. Seat brackets 8 are fixedly connected to the mounting brackets 7 via bolts. A limiting plate 9 is fixedly connected to the mounting brackets 7. A limiting groove 10 is provided on the lower mounting bracket 5 corresponding to the limiting plate 9. Spring damping shock absorbers 11 are evenly fixedly installed on the inner wall of the limiting groove 10. A load-bearing support plate 12 is fixedly connected to the spring damping shock absorbers 11. Flange rings 14 are fixedly connected to both ends of the dust cover 13. The flange rings 14 are connected to the upper mounting bracket 4 or the lower mounting bracket 5 via bolts.

[0034] Preferably, the limiting plate 9 is configured as a ring structure, and the load-bearing support plate 12 is configured as a ring structure adapted to the limiting plate 9. The limiting plate 9 can fit tightly with the load-bearing support plate 12, so that the limiting plate 9 can stably press down on the load-bearing support plate 12.

[0035] Preferably, the flange ring 14, the upper mounting bracket 4, and the lower mounting bracket 5 are evenly provided with bolt holes 15, so that the flange ring 14 can be connected to the upper mounting bracket 4 and the lower mounting bracket 5 by bolts.

[0036] Preferably, the inner wall of the air spring airbag 1 is provided with a buffer block 16. The buffer block 16 can buffer the air spring airbag 1 when it is subjected to large compression deformation, so that the air spring airbag 1 will not be damaged due to large deformation.

[0037] Preferably, a waist ring 17 is provided at the middle position of the air spring airbag 1.

[0038] Preferably, both the upper mounting bracket 4 and the lower mounting bracket 5 have mounting holes 18 corresponding to the threaded rod 3, so that the threaded rod 3 can pass through the upper mounting bracket 4 or the lower mounting bracket 5.

[0039] Preferably, the mounting brackets 7 of both the upper mounting bracket 4 and the lower mounting bracket 5 are provided with four.

[0040] Preferably, multiple spring damping shock absorbers 11 are provided, and the multiple spring damping shock absorbers 11 are evenly installed in the limiting groove 10. The multiple spring damping shock absorbers 11 can provide shock absorption and buffer protection for the air spring in the limiting groove 10.

[0041] The specific working principle and usage method of this utility model are as follows: The connecting plate 2 at the bottom of the air spring airbag 1 can be connected to the lower mounting frame 5 through the threaded rod 3 and the positioning nut 6, so that the air spring airbag 1 can be installed in the lower mounting frame 5. The dust cover 13 and the upper mounting frame 4 are placed in sequence. The flange rings 14 on both sides of the dust cover 13 can be connected to the upper mounting frame 4 and the lower mounting frame 5 respectively through bolts, so that the gap between the upper mounting frame 4 and the lower mounting frame 5 can be isolated and sealed by the dust cover 13, so that the air spring airbag 1 is difficult to be affected by the air, light, oil and dust on the outer wall, thereby effectively improving the service life of the air spring airbag 1. The upper mounting frame 4 and the lower mounting frame 5 are both equipped with mounting brackets 7. The mounting brackets 7 can be installed at the seat bracket 8 through bolts, so as to cushion and reduce the shock of the seat. When compressed, the air spring airbag 1 can... The air spring bladder 1 is placed inside the upper mounting frame 4 and the lower mounting frame 5. The upper mounting frame 4 and the lower mounting frame 5 can limit the deformation of the air spring bladder 1 on the outer wall, thereby more evenly preventing the air spring bladder 1 from being damaged by explosion due to excessive deformation under pressure. The air spring bladder 1 is equipped with a buffer block 16 to support the connecting plate 2, thereby further improving the explosion resistance of the air spring. When the air spring bladder 1 is compressed, the limiting plate 9 at the bottom of the upper mounting frame 4 can slide in the limiting groove 10. The limiting plate 9 can squeeze the load-bearing support plate 12, thereby driving the spring damping shock absorber rod 11 to compress. The spring damping shock absorber rod 11 can buffer and dampen the downward pressure, thereby further improving the shock absorption effect of the air spring. Moreover, when the pressure is large, it can be supported outside the air spring bladder 1, thereby further improving the pressure resistance and explosion resistance performance.

[0042] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A durable seat air spring, comprising an air spring airbag (1), a connecting plate (2), an upper mounting bracket (4), a lower mounting bracket (5), a positioning nut (6), and a dust cover (13), characterized in that: Two connecting plates (2) are provided, and the two connecting plates (2) are respectively installed at both ends of the air spring airbag (1). Both connecting plates (2) are fixedly connected with threaded rods (3). The upper mounting bracket (4) and the lower mounting bracket (5) can be connected to the connecting plates (2) through the threaded rods (3) and positioning nuts (6). The upper mounting bracket (4) and the lower mounting bracket (5) are fixedly installed with mounting brackets (7). The mounting brackets (7) can be fixedly connected to the seat brackets (8) with bolts. The mounting bracket (7) is fixedly connected to the limiting plate (9), and the lower mounting bracket (5) has a limiting groove (10) corresponding to the limiting plate (9). The inner wall of the limiting groove (10) is uniformly fixedly installed with spring damping shock absorbers (11). The spring damping shock absorbers (11) are fixedly connected to the load-bearing support plate (12). Both ends of the dust cover (13) are fixedly connected with flange rings (14). The flange rings (14) can be connected to the upper mounting bracket (4) or the lower mounting bracket (5) by bolts.

2. The durable seat air spring according to claim 1, characterized in that, The limiting plate (9) is configured as a ring structure, and the load-bearing support plate (12) is configured as a ring structure adapted to the limiting plate (9).

3. The durable seat air spring according to claim 1, characterized in that, Bolt holes (15) are evenly provided on the flange ring (14), the upper mounting bracket (4) and the lower mounting bracket (5).

4. The durable seat air spring according to claim 1, characterized in that, The inner wall of the air spring airbag (1) is provided with a buffer block (16).

5. The durable seat air spring according to claim 1, characterized in that, A waist ring (17) is provided at the middle position of the air spring airbag (1).

6. The durable seat air spring according to claim 1, characterized in that, Both the upper mounting bracket (4) and the lower mounting bracket (5) have mounting holes (18) corresponding to the threaded rod (3).

7. The durable seat air spring according to claim 1, characterized in that, The mounting brackets (7) of both the upper mounting bracket (4) and the lower mounting bracket (5) are provided with four.

8. The durable seat air spring according to claim 1, characterized in that, Multiple spring damping shock absorbers (11) are provided, and the multiple spring damping shock absorbers (11) are evenly installed in the limiting groove (10).

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