CN220890908U

CN220890908U - Combined air spring

Info

Publication number: CN220890908U
Application number: CN202322691920.XU
Authority: CN
Inventors: 李国全; 李泳宏; 周旭庆; 庞学东
Original assignee: Guangdong Yikangtong Air Spring Co ltd
Current assignee: Guangdong Yikangtong Air Spring Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-03
Anticipated expiration: 2033-10-08

Abstract

The utility model discloses a composite air spring, which comprises an air spring main body, wherein the outer part of the air spring main body comprises a piston, a leather bag and an upper cover plate, the upper end of the piston is connected with the lower end of the leather bag, the upper end of the leather bag is provided with the upper cover plate, a shock absorber is arranged in the air spring main body, an upper mounting component is arranged above the shock absorber, the other end of the upper mounting component is connected with the upper cover plate, a lower mounting component is arranged below the shock absorber, the other end of the lower mounting component is connected with the bottom of the piston, and the upper mounting component and the lower mounting component are mutually parallel and are positioned on the same plane, so that the height and rigidity of the air spring of a commercial vehicle seat are adjustable when the device is used, the problem of limiting mounting space is solved, and the requirements of steering and comfort of a driver on the vehicle are met.

Description

Combined air spring

Technical Field

The utility model relates to the field of air springs, in particular to a composite air spring.

Background

Air springs are an important component of air suspensions. The device realizes the elastic characteristic of the device by utilizing the compression characteristic of air in the closed container, and has the functions of supporting, buffering, braking, height adjustment, angle adjustment and the like;

The rubber air spring is commonly called an air spring, a pneumatic tyre leather bag, an air bag and the like, and is a rubber nylon corrugated pipe with precise design by taking inert gas (such as air, nitrogen and the like) as an elastic medium. The air spring itself does not provide force or support load, and is a nonmetallic spring which is formed by injecting compressed air into a flexible closed container and realizing elastic action by utilizing the compressibility of the air. The air springs can be divided into two major types, namely a bag type air spring and a film type air spring, wherein the bag type air spring is designed into a single layer, a double layer and a three layer according to the requirement, and the two air springs can be overlapped for use when the requirement is met; the membrane air spring has two types of constraint membrane type and free membrane type. The air spring has excellent elastic characteristics, and can greatly improve the dynamic performance of a vehicle when used in a vehicle suspension device, thereby remarkably improving the travelling comfort, and therefore, the air spring is widely applied to automobiles and railway locomotives. In addition, since the air spring has many advantages over the ordinary steel spring, it is also applied to a press machine, a shear machine, a compressor, a centrifuge, a vibrating conveyor, a vibrating screen, an air hammer, a food machine;

But commercial car seat shock attenuation that current market was used is mainly with external bumper shock absorber or coil spring with pure air spring shock attenuation, and pure use air spring and external bumper shock absorber structure installation space are not enough, and the bumper shock absorber is beated the stroke and is big, influences the operability of driver.

Disclosure of utility model

In order to overcome the structural defects in the prior art, the utility model provides a composite air spring.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a combined type air spring, includes the air spring main part, the air spring main part outside is including piston, leather bag and upper cover plate, the piston upper end is connected with the leather bag lower extreme, the upper cover plate is installed to the leather bag upper end, air spring main part internally mounted has the bumper shock absorber, install the subassembly in the bumper shock absorber top, it is connected with the upper cover plate to go up the subassembly other end, install the subassembly under the bumper shock absorber below, the subassembly other end is connected with the piston bottom down, go up the subassembly and be located the coplanar with the subassembly down that installs is parallel to each other.

Preferably, the upper mounting assembly comprises an upper bearing, an upper bolt and an upper nut, wherein the upper bearing is mounted in the upper cover plate, the upper end of the shock absorber is mounted between the upper bearing, the upper bolt is mounted in the upper end of the upper bearing and the upper end of the shock absorber, and the upper nut is mounted at the other end of the upper bolt.

Preferably, the lower mounting assembly comprises a lower bearing, a bearing cover, a lower bolt, a lower nut and a plurality of hexagon bolts, wherein the bearing cover is mounted above the lower bearing, the plurality of hexagon bolts are mounted above the bearing cover, the other ends of the hexagon bolts are mounted inside the bottom surface of the piston, and the lower bearing is located between the bearing cover and the bottom surface of the piston.

Preferably, the lower end of the shock absorber is arranged between the lower bearings, a lower bolt is arranged in the lower bearings and the lower end of the shock absorber, and a lower nut is arranged at the other end of the lower bolt.

Preferably, a lower compression ring is arranged between the outer surface of the upper end of the piston and the inner wall of the lower end of the leather bag, and the outer surface of the upper end of the piston and the inner wall of the lower end of the leather bag are respectively arranged on two sides of the lower compression ring.

Preferably, the upper cover plate is installed on the inner wall of the upper end of the leather bag, the upper pressing ring is installed on the outer wall of the upper end of the leather bag, and the upper pressing ring and the upper cover plate are located on the same plane and are parallel to each other.

Compared with the prior art, the utility model has the following beneficial effects: therefore, when the device is used, the shock absorber can be installed through the upper installation component and the lower installation component, the height of the seat air spring can be realized through the tightening degree of the upper installation component and the lower installation component, and the device can comprehensively solve the problems of adjustable height and rigidity of the seat air spring of the commercial vehicle and the limit installation space, and meets the requirements of the steering performance and the comfort of a driver driving the vehicle.

Drawings

FIG. 1 is a schematic view of an axial cross-sectional structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the mounting assembly of the present utility model;

FIG. 4 is an enlarged schematic view of the mounting assembly of the present utility model;

wherein: 1. an air spring body; 2. a piston; 3. a leather bag; 4. an upper cover plate; 5. a damper; 6. an upper mounting assembly; 61. an upper bearing; 62. installing a bolt; 63. a top nut; 7. a lower mounting assembly; 71. a lower bearing; 72. a bearing cap; 73. a lower bolt; 74. a lower nut; 75. a hexagonal bolt; 8. a lower pressing ring; 9. and (5) loading a compression ring.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

As shown in fig. 1-4, the utility model provides a composite air spring, which comprises an air spring main body 1, wherein the air spring main body 1 comprises a piston 2, a leather bag 3 and an upper cover plate 4, the upper end of the piston 2 is connected with the lower end of the leather bag 3, the upper cover plate 4 is installed at the upper end of the leather bag 3, a shock absorber 5 is installed in the air spring main body 1, an upper installation component 6 is installed above the shock absorber 5, the other end of the upper installation component 6 is connected with the upper cover plate 4, a lower installation component 7 is installed below the shock absorber 5, the other end of the lower installation component 7 is connected with the bottom of the piston 2, and the upper installation component 6 and the lower installation component 7 are parallel to each other and are positioned on the same plane, so that when the device is used, the shock absorber 5 can be installed through the upper installation component 6 and the lower installation component 7, the tightening degree of the shock absorber 5 can be realized when the device is used, and thus the device can comprehensively solve the problems of the height and the rigidity of the air spring of a commercial vehicle seat and the comfort requirement of the driver can be met.

In this embodiment, specifically, the upper mounting assembly 6 includes an upper bearing 61, an upper bolt 62 and an upper nut 63, where the upper bearing 61 is mounted in the upper cover 4, an upper end of the damper 5 is mounted between the upper bearing 61, the upper bolt 62 is mounted in the upper ends of the upper bearing 61 and the damper 5, and the upper nut 63 is mounted at the other end of the upper bolt 62, so that the upper bearing 62 and the upper nut 63 pass through; the upper bearing 61 and the damper 5 can be fixed.

In this embodiment, specifically, the lower mounting assembly 7 includes a lower bearing 71, a bearing cover 72, a lower bolt 73, a lower nut 74 and a plurality of hexagonal bolts 75, the bearing cover 72 is mounted above the lower bearing 71, a plurality of hexagonal bolts 75 are mounted above the bearing cover 72, the other end of the hexagonal bolts 75 is mounted inside the bottom surface of the piston 2, the lower bearing 71 is located between the bearing cover 72 and the bottom surface of the piston 2, and the lower bearing 71 can be fixed by the bearing cover 72 and the hexagonal bolts 75.

In the present embodiment, specifically, the lower end of the shock absorber 5 is installed between the lower bearings 71, a lower bolt 73 is installed in the lower bearings 71 and the lower end of the shock absorber 5, and a lower nut 74 is installed at the other end of the lower bolt 73, so that the connection relationship between the lower bolt 73 and the lower nut 74 is passed; the lower bearing 71 and the lower end of the damper 5 are fixed.

In this embodiment, specifically, install down clamping ring 8 between piston 2 upper end surface and the inner wall of leather bag 3 lower extreme, piston 2 upper end surface and leather bag 3 lower extreme inner wall are installed respectively to lower clamping ring 8 two sides, can fix piston 2 upper end surface and leather bag 3 lower extreme inner wall through lower clamping ring 8.

In this embodiment, specifically, upper cover plate 4 is installed to the inner wall of the upper end of leather bag 3, go up clamping ring 9 is installed to the outer wall of the upper end of leather bag 3, go up clamping ring 9 and upper cover plate 4 and lie in the coplanar and be parallel to each other, then can fix upper cover plate 4 through last clamping ring 9, make upper cover plate 4 fix between leather bag 3.

Working principle: therefore, when the device is used, the shock absorber 5 can be installed through the upper installation component 6 and the lower installation component 7, the height of the seat air spring can be realized when the device is used through the tightening degree of the upper installation component 6 and the lower installation component 7 to the shock absorber 5, and the device can comprehensively solve the problems of adjustable height and rigidity of the seat air spring of the commercial vehicle and the problem of limited installation space, and meets the requirements of the operability and the comfort of a driver driving the vehicle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A composite air spring comprising an air spring body (1), characterized in that: the air spring main body (1) is outside including piston (2), leather bag (3) and upper cover plate (4), piston (2) upper end is connected with leather bag (3) lower extreme, upper cover plate (4) are installed to leather bag (3) upper end, air spring main body (1) internally mounted has bumper shock absorber (5), install installation component (6) above bumper shock absorber (5), it is connected with upper cover plate (4) to go up installation component (6) other end, install installation component (7) down in bumper shock absorber (5) below, install component (7) other end and piston (2) bottom connection down, install component (6) and install component (7) down and be parallel to each other and lie in the coplanar.

2. A compound air spring according to claim 1, wherein: the upper mounting assembly (6) comprises an upper bearing (61), an upper bolt (62) and an upper nut (63), wherein the upper bearing (61) is mounted in the upper cover plate (4), the upper end of the shock absorber (5) is mounted between the upper bearing (61), the upper bolt (62) is mounted in the upper ends of the upper bearing (61) and the shock absorber (5), and the upper nut (63) is mounted at the other end of the upper bolt (62).

3. A compound air spring according to claim 2, wherein: the lower mounting assembly (7) comprises a lower bearing (71), a bearing cover (72), a lower bolt (73), a lower nut (74) and a plurality of hexagonal bolts (75), wherein the bearing cover (72) is mounted above the lower bearing (71), the plurality of hexagonal bolts (75) are mounted above the bearing cover (72), the other end of the hexagonal bolts (75) is mounted inside the bottom surface of the piston (2), and the lower bearing (71) is located between the bearing cover (72) and the bottom surface of the piston (2).

4. A compound air spring according to claim 3, wherein: the lower end of the shock absorber (5) is arranged between the lower bearings (71), lower bolts (73) are arranged in the lower bearings (71) and the lower end of the shock absorber (5), and lower nuts (74) are arranged at the other ends of the lower bolts (73).

5. A compound air spring according to claim 1, wherein: a lower compression ring (8) is arranged between the outer surface of the upper end of the piston (2) and the inner wall of the lower end of the leather bag (3), and the outer surface of the upper end of the piston (2) and the inner wall of the lower end of the leather bag (3) are respectively arranged on two sides of the lower compression ring (8).

6. A compound air spring according to claim 1, wherein: the leather bag is characterized in that an upper cover plate (4) is arranged on the inner wall of the upper end of the leather bag (3), an upper pressing ring (9) is arranged on the outer wall of the upper end of the leather bag (3), and the upper pressing ring (9) and the upper cover plate (4) are located on the same plane and are parallel to each other.