CN220185686U - Air spring with built-in buffer block - Google Patents

Abstract

The utility model discloses an air spring with a built-in buffer block, which relates to the technical field of air springs and comprises an air spring main body structure, wherein a buffer piece is detachably connected in the air spring main body structure, the buffer piece plays a role in buffering in the air spring main body structure, and the air spring with the built-in buffer block is provided with a suspension limiting buffer block arranged in the air spring, so that the arrangement of a shock absorber is not limited by the buffer block, the buffer block does not occupy an arrangement space independently, the suspension arrangement is more compact, and the shock absorber on a vehicle suspension is convenient to arrange.

Description

Air spring with built-in buffer block

Technical Field

The utility model relates to the technical field of air springs, in particular to an air spring with a built-in buffer block.

Background

Air springs are springs used in automotive, aerospace and other fields. The telescopic closed container is filled with compressed air and the spring with air elasticity is used. Commonly known as air bags, air bag type air cylinders, leather bag air cylinders and the like.

At present, the arrangement of the limiting element buffer blocks of the vehicle suspension mainly comprises two modes: 1. is integrated on the shock absorber; 2. is assembled on the suspension swing arm.

The above arrangement has the following technical disadvantages:

1. the mode of integrating the vibration damper limits the arrangement angle of the vibration damper, and the vibration damper is required to be arranged vertically as much as possible;

2. the mode of being assembled on the swing arm occupies a certain space, so that some avoidance is needed to be made on the whole suspension arrangement.

For this purpose, the utility model provides an air spring with a built-in buffer block.

Disclosure of Invention

In order to solve the technical problems in the background art, the utility model provides an air spring with a built-in buffer block, so that the buffer block arrangement space and position do not need to be provided independently when the vehicle suspension is designed and arranged.

The utility model provides an air spring with a built-in buffer block, which comprises an air spring main body structure, wherein a buffer piece is detachably connected in the air spring main body structure, and the buffer piece plays a role in buffering in the air spring main body structure.

Preferably, the air spring main body structure comprises a leather bag, a piston and a lower base, wherein two sides of the leather bag are respectively connected with the piston and the lower base through a buckling process.

Preferably, the piston is provided with a vent hole, and the vent hole is used for communicating the inner cavity of the piston with the inner cavity of the leather bag, so that the total volume of the air spring is increased.

Preferably, the buffer member is fastened with the piston through bolts and nuts.

Preferably, the air spring main body structure is provided with a top cover, and the top cover is provided with a sealing element for sealing the air spring main body structure.

Preferably, the sealing member is a sealing ring.

Preferably, the buffer piece is a suspension limit buffer block.

According to the air spring with the built-in buffer block, the suspension limiting buffer block is arranged in the air spring, so that the arrangement of the shock absorber is not limited by the buffer block, the buffer piece does not independently occupy the arrangement space of the suspension, the suspension arrangement is more compact, and the arrangement of the shock absorber on the vehicle suspension is facilitated.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a front view of the structure of the present utility model.

In the figure, 1, a top cover; 2. a seal; 3. a piston; 4. a bolt; 5. a nut; 6. a buffer member; 7. a leather bag; 8. and a lower base.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The air spring with the built-in buffer block shown in fig. 1 comprises a top cover 1, a sealing element 2, a piston 3, a buffer block bolt 4, a nut 5, a buffer element 6, a leather bag 7 and a lower base 8.

The sealing element 2 is a sealing ring;

the seal 2 includes other existing sealing mechanisms that can achieve a seal.

The buffer piece 6 is a suspension limiting buffer block;

the cushioning member 6 includes other existing cushioning mechanisms that may provide cushioning.

The leather bag 7 is connected with the piston 3 and the lower base 8 through a buckling process to form an air spring main body structure, the buffer piece 6 is arranged on the lower bottom surface of the piston 3 through the bolt 4 and the nut 5, the lower bottom surface of the piston 3 is provided with a vent hole, the vent hole is communicated with the inner cavity of the piston 3 and the inner cavity of the leather bag 7, the total volume of the air spring is increased, and the top cover 1 is arranged at the upper end of the piston 3 and is provided with a sealing piece 2 to seal the air spring.

According to the air spring with the built-in buffer blocks, the suspension limit buffer blocks are arranged inside the air spring, so that the arrangement of the shock absorbers is not limited by the buffer blocks, and the buffer pieces 6 do not independently occupy the arrangement space of the suspension, so that the suspension arrangement is more compact, and the arrangement of the shock absorbers on the vehicle suspension is facilitated.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. The air spring with the built-in buffer block comprises an air spring main body structure, and is characterized in that a buffer piece (6) is detachably connected in the air spring main body structure, and the buffer piece (6) plays a role in buffering in the air spring main body structure;

the air spring main body structure comprises a leather bag (7), a piston (3) and a lower base (8), wherein two sides of the leather bag (7) are respectively connected with the piston (3) and the lower base (8) through a buckling process;

the piston (3) is provided with a vent hole which is used for communicating the inner cavity of the piston (3) with the inner cavity of the leather bag (7);

the buffer piece (6) is fastened with the piston (3) through a bolt (4) and a nut (5).

2. The air spring with the built-in buffer block according to claim 1, wherein a top cover (1) is installed on the air spring main body structure, a sealing piece (2) is installed on the top cover (1), and the sealing piece (2) is used for sealing the air spring main body structure.

3. Air spring with built-in buffer block according to claim 2, characterized in that the seal (2) is a sealing ring.

4. Air spring with built-in damper according to claim 1, characterized in that the damper (6) is a suspension limit damper.