Air spring piston structure

Abstract

The utility model discloses an air spring piston structure which comprises a piston shell used for supporting and a connecting clamping sleeve, the connecting clamping sleeve is fixedly arranged at the center of the upper end face of the piston shell, and a sealing clamping ring used for sealing is fixedly arranged at the center of the upper end face of the connecting clamping sleeve. The fixed clamping sleeve is fixedly arranged at the center of the lower end face of the piston shell, and a sealing guide ring is fixedly arranged on the lower end face of the fixed clamping sleeve. According to the utility model, the reinforcing ribs are arranged, and the five groups of reinforcing ribs can support the outside of the piston shell in all directions, so that the stability of axial support during the subsequent inflation and deflation of the piston shell is improved, the radial lateral deviation of the piston shell can be effectively prevented, and the service life of the piston shell is further prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air spring equipment, in particular to an air spring piston structure. Background Art

[0002] The air spring piston is a common air spring component. Its main function is to compress or release the gas in the air spring through the reciprocating motion of the piston, thereby achieving compression and rebound of the spring.

[0003] For example, the utility model patent disclosed in the publication number CN207945228U is an air spring piston structure, including a piston body, an anti-skid line is provided on the outer wall surface at the top port of the piston body, and reinforcing ribs are provided inside the anti-skid line. The air spring piston structure can be integrated with the piston body, and the strength of the anti-skid line is increased, the life and safety of the product are improved, the production cost of the enterprise is reduced, the workload is reduced, the installation process is simplified, and the work efficiency is greatly improved.

[0004] Although the above-mentioned air piston has a certain structural strength, the stability of the axial support of the piston shell is insufficient. During the long-term inflation and deflation process, the piston shell is prone to lateral deviation. After long-term use, it is easy to cause excessive fatigue of the piston shell, thereby reducing the service life of the piston shell. Therefore, an air spring piston structure is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an air spring piston structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air spring piston structure, comprising a piston housing for supporting,

[0007] A connecting ferrule, the connecting ferrule is fixedly arranged at the center of the upper end surface of the piston housing, and a sealing ferrule for sealing is fixedly arranged at the center of the upper end surface of the connecting ferrule;

[0008] A fixed ferrule, the fixed ferrule is fixedly arranged at the center of the lower end surface of the piston housing, and a sealing guide ring is fixedly arranged on the lower end surface of the fixed ferrule;

[0009] The reinforcing ribs are provided in at least five groups, and the five groups of reinforcing ribs are equidistantly arranged on the outer end surface of the piston housing.

[0010] Preferably, the connecting sleeve, reinforcing ribs, piston housing, sealing guide ring and fixing sleeve are integrally formed, which can increase the service life of the equipment.

[0011] Preferably, an air storage cavity for guiding air is provided inside the connecting sleeve, reinforcing ribs, piston housing and fixed sleeve, which can improve the stability of subsequent inflation and deflation.

[0012] Preferably, the inner ring of the sealing clamp is arranged in an arc shape, and the inner end surface of the sealing clamp slightly protrudes from the upper opening of the connecting sleeve, which can effectively improve the stability of the sealing limit.

[0013] Preferably, the piston housing includes an outer rubber layer for protection, a first cord layer arranged inside the outer rubber layer, a second cord layer arranged inside the first cord layer, and a rubber inner layer fixedly arranged inside the second cord layer. The multi-layer protection and support materials can increase the service life of the piston housing body.

[0014] Preferably, the sealing guide ring is made of elastic material, which can effectively improve the stability of subsequent sealing.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model provides reinforcing ribs, and five groups of reinforcing ribs can perform all-round support operations on the outside of the piston housing, thereby improving the stability of the axial support during the subsequent inflation and deflation of the piston housing, and can effectively prevent the radial lateral deviation of the piston housing, thereby increasing the service life of the piston housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the main body of the utility model;

[0018] Figure 2 It is a side view of the main body of the utility model.

[0019] In the figure: 1-air storage chamber, 2-connecting ferrule, 3-reinforcing rib, 4-piston housing, 5-sealing guide ring, 6-fixing ferrule, 7-sealing ferrule. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-2 The utility model provides an embodiment: an air spring piston structure, including a piston housing 4 for supporting,

[0022] A connecting sleeve 2, which is fixedly arranged at the center of the upper end surface of the piston housing 4, and a sealing clamp ring 7 for sealing is fixedly arranged at the center of the upper end surface of the connecting sleeve 2;

[0023] A fixed ferrule 6 is fixedly arranged at the center of the lower end surface of the piston housing 4, and a sealing guide ring 5 is fixedly arranged at the lower end surface of the fixed ferrule 6;

[0024] The reinforcing ribs 3 and the reinforcing rib bodies 3 are provided in at least five groups, and the five groups of reinforcing ribs 3 are equidistantly arranged on the outer end surface of the piston housing 4 .

[0025] The connecting sleeve 2, the reinforcing rib 3, the piston housing 4, the sealing guide ring 5 and the fixing sleeve 6 are integrally formed, which can increase the service life of the equipment.

[0026] An air storage chamber 1 for air conduction is provided inside the connecting sleeve 2, the reinforcing rib 3, the piston housing 4 and the fixed sleeve 6, which can improve the stability of subsequent inflation and deflation.

[0027] The inner ring of the sealing clamp ring 7 is arranged in an arc shape, and the inner end surface of the sealing clamp ring 7 slightly protrudes from the upper opening of the connecting sleeve 2, which can effectively improve the stability of the sealing limit.

[0028] The piston housing 4 includes an outer rubber layer for protection, a first fabric layer arranged inside the outer rubber layer, a second fabric layer arranged inside the first fabric layer, and a rubber inner layer fixedly arranged inside the second fabric layer. The multi-layer protection and support material can improve the service life of the piston housing 4 body.

[0029] The sealing guide ring 5 is made of elastic material, which can effectively improve the stability of subsequent sealing.

[0030] Working principle: When in use, the five groups of reinforcing ribs 3 can provide all-round support to the outside of the piston housing 4, thereby improving the stability of the axial support when the piston housing 4 is subsequently inflated and deflated, and can effectively prevent the piston housing 4 from radially deviating, thereby increasing the service life of the piston housing 4.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air spring piston structure, comprising a piston housing (4) for supporting, characterized in that: A connecting sleeve (2), the connecting sleeve (2) being fixedly arranged at the center of the upper end surface of the piston housing (4), and a sealing collar (7) for sealing being fixedly arranged at the center of the upper end surface of the connecting sleeve (2); A fixed sleeve (6), the fixed sleeve (6) being fixedly arranged at the center of the lower end surface of the piston housing (4), and a sealing guide ring (5) being fixedly arranged at the lower end surface of the fixed sleeve (6); Reinforcing ribs (3), wherein at least five groups of the reinforcing ribs (3) are provided, and the five groups of the reinforcing ribs (3) are equidistantly arranged on the outer end surface of the piston housing (4).

2. The air spring piston structure according to claim 1, characterized in that: The connecting sleeve (2), reinforcing rib (3), piston housing (4), sealing guide ring (5) and fixing sleeve (6) are integrally formed.

3. The air spring piston structure according to claim 2, characterized in that: An air storage chamber (1) for guiding air is provided inside the connecting sleeve (2), the reinforcing rib (3), the piston housing (4) and the fixing sleeve (6).

4. The air spring piston structure according to claim 2, characterized in that: The inner ring of the sealing clamp ring (7) is arranged in an arc shape, and the inner end surface of the sealing clamp ring (7) slightly protrudes from the upper opening of the connecting sleeve (2).

5. The air spring piston structure according to claim 2, characterized in that: The piston housing (4) comprises an outer rubber layer for protection, a first cord layer arranged inside the outer rubber layer, a second cord layer arranged inside the first cord layer, and a rubber inner layer fixedly arranged inside the second cord layer.

6. The air spring piston structure according to claim 2, characterized in that: The sealing guide ring (5) is made of elastic material.

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