CN219795924U

CN219795924U - Spring brake chamber with good dustproof performance

Info

Publication number: CN219795924U
Application number: CN202321361715.0U
Authority: CN
Inventors: 王振华; 王云峰; 沈德春; 张叶飞; 俞佳磊; 汤美良
Original assignee: Jiaxing Jialida Auto Parts Co ltd
Current assignee: Jiaxing Jialida Auto Parts Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-03
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a spring brake chamber with good dustproof performance, which comprises a shell, a piston rod and a spring, wherein the piston rod and the spring are arranged in the shell, a first partition plate and a second partition plate are fixedly welded in an inner cavity of the shell, the inner cavity of the shell is divided into three parts through the first partition plate and the second partition plate, one end of the shell is fixedly connected with an air inlet pipe, a baffle is slidably arranged on one side, opposite to the second partition plate, of the first partition plate in the inner cavity of the shell, a chute which takes the shape of a Chinese character 'kou' is formed in one side, positioned on the baffle, of the inner cavity of the shell, an inner dustproof plate which takes the shape of a Chinese character 'kou' is fixedly welded on the outer side of the baffle, the inner dustproof plate is anastomoses and inserted into the chute, and inner sealing gaskets are fixedly bonded on two sides of the inner wall of the inner dustproof plate. The spring brake chamber with good dustproof performance can prevent dust from entering the space of the baffle plate far away from one side of the air inlet pipe to pollute the piston rod, so that good dustproof effect is achieved, and the service life of the piston rod is prolonged.

Description

Spring brake chamber with good dustproof performance

Technical Field

The utility model belongs to the technical field of spring brake chambers, and particularly relates to a spring brake chamber with good dustproof performance.

Background

The spring brake chamber is part of a vehicle brake system that is typically mounted to the drive axle of the vehicle and functions to provide braking torque to the vehicle.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: the existing spring brake air chamber is not provided with an active dustproof structure in the inside, so that dust can enter the position of the piston rod through a gap after long-time use, the sliding of the piston rod is influenced, the sliding friction resistance of the piston rod is increased, abrasion is increased, and the service life is shortened.

Therefore, we propose a spring brake chamber with good dustproof performance to solve the problems.

Disclosure of Invention

The utility model mainly aims to provide the spring brake air chamber with good dustproof performance, so that dust cannot enter a space of the baffle plate far away from the air inlet pipe to pollute the piston rod, a good dustproof effect is achieved, the service life of the piston rod is prolonged, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a spring brake chamber with good dustproof performance comprises a shell, a piston rod and a spring, wherein the piston rod and the spring are arranged in the shell, a first partition plate and a second partition plate are fixedly welded in an inner cavity of the shell, the inner cavity of the shell is divided into three parts through the first partition plate and the second partition plate, and one end of the shell is fixedly connected with an air inlet pipe;

a baffle is arranged in the inner cavity of the shell on one side of the first partition plate, which is opposite to the second partition plate, a chute in a shape of a Chinese character 'kou' is arranged on one side of the inner cavity of the shell, which is opposite to the baffle, wherein an inner dustproof plate in a shape of a Chinese character 'kou' is fixedly welded on the outer side of the baffle, and the inner dustproof plate is anastomosed and inserted into the chute;

the inner sealing gasket is fixedly bonded to two sides of the inner wall of the inner dust-proof plate, the outer wall of the inner dust-proof plate is fixedly bonded with the outer sealing gasket, the inner sealing gasket is bonded with the inner wall of the sliding groove, the outer sealing gasket is bonded with the outer wall of the sliding groove, one end of the piston rod is fixedly welded to the center of one side of the baffle, which is opposite to the air inlet pipe, of the baffle, and two ends of the spring are fixedly connected with opposite side walls of the first partition plate and the second partition plate respectively.

As a preferred embodiment, the piston rod slides through the first partition plate and the second partition plate and is connected with an extension rod, and the extension rod slides through one end of the housing far away from the air inlet pipe and is connected with a connecting fork; the connecting fork is used for being connected with an automobile braking structure and used for driving the braking structure to brake.

As a preferable implementation scheme, the baffle is attached to the inner wall of the shell, movable ports are formed in four corners of the baffle, and sliding rods are arranged in the four movable ports in a sliding manner; the baffle slides along with the four sliding rods, so that the sliding track of the baffle is limited, and the sliding of the baffle is more stable.

As a preferred embodiment, two ends of the sliding rod are fixedly connected with the inner wall of the shell and the first partition plate respectively; so that the four outer gasket structures remain stable.

As a preferred embodiment, the portion of the piston rod located between the first partition plate and the second partition plate is located inside the spring; so that the spring can limit the extension and retraction of the piston rod, and at the same time the spring can return the piston rod to its original position.

In summary, the technical effects and advantages of the present utility model are:

this spring brake chamber that dust resistance is good drives baffle and piston rod and removes after the air passes through the intake pipe and gets into the shell inner chamber, and the spring of this moment is compressed, and the interior dust guard of mouth font translation in the spout, and the inboard and the outside of interior dust guard all are equipped with sealed the pad, utilize two sealed pads to keep apart the space that is located the baffle both sides in the shell inner chamber to make the unable space that gets into baffle and keep away from intake pipe one side in pollute the piston rod, play good dustproof effect, extension piston rod's life-span.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

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

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is a schematic structural view of a baffle plate according to the present utility model.

In the figure: 1. a housing; 2. an air inlet pipe; 3. a connecting fork; 4. a first partition plate; 5. a second partition plate; 6. a piston rod; 7. a spring; 8. a baffle; 9. a chute; 10. an inner dust guard; 11. an inner gasket; 12. an outer gasket; 13. an extension rod; 14. a movable opening; 15. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a spring brake chamber with good dustproof performance comprises a shell 1, a piston rod 6 and a spring 7, wherein the piston rod 6 and the spring 7 are arranged in the shell 1, a first partition plate 4 and a second partition plate 5 are fixedly welded in the inner cavity of the shell 1, the inner cavity of the shell 1 is divided into three parts by the first partition plate 4 and the second partition plate 5, and one end of the shell 1 is fixedly connected with an air inlet pipe 2;

a baffle plate 8 is arranged on one side, which is positioned on the back of the second partition plate 5, of the first partition plate 4 in the inner cavity of the shell 1, a chute 9 in a shape of a Chinese character 'kou' is formed on one side, which is positioned on the baffle plate 8, of the inner cavity of the shell 1, wherein an inner dust-proof plate 10 in a shape of a Chinese character 'kou' is fixedly welded on the outer side of the baffle plate 8, the inner dust-proof plate 10 is inserted into the chute 9 in a fit manner, no matter where the baffle plate 8 slides, the inner dust-proof plate 10 is always positioned in the chute 9 and cannot fall off, and the inner space of the chute 9 can be divided into two parts which are separated from each other;

the two sides of the inner wall of the inner dust-proof plate 10 are fixedly adhered with inner sealing gaskets 11, the outer wall of the inner dust-proof plate 10 is fixedly adhered with outer sealing gaskets 12, the inner sealing gaskets 11 are adhered to the inner wall of the sliding groove 9, the outer sealing gaskets 12 are adhered to the outer wall of the sliding groove 9, dust cannot move from one side of the baffle plate 8 to the other side through the sliding groove 9, the baffle plate 8 is adhered to the inner wall of the shell 1, movable openings 14 are formed in four corners of the baffle plate 8, sliding rods 15 are arranged in the four movable openings 14 in a sliding manner, the baffle plate 8 slides along with the four sliding rods 15, so that the sliding track of the baffle plate 8 is limited, the sliding of the baffle plate 8 is more stable, and two ends of the sliding rods 15 are fixedly connected with the inner wall of the shell 1 and the first partition plate 4 respectively, so that the structures of the four sliding rods 15 are kept stable;

one end of the piston rod 6 is fixedly welded at the center of one side of the baffle 8, which is opposite to the air inlet pipe 2, two ends of the spring 7 are fixedly connected with one side wall of the first partition plate 4 and the second partition plate 5 respectively, the piston rod 6 slides through the first partition plate 4 and the second partition plate 5 and is connected with an extension rod 13, the extension rod 13 slides through one end of the shell 1, which is far away from the air inlet pipe 2, and is connected with a connecting fork 3, the connecting fork 3 is used for being connected with an automobile braking structure and used for driving the braking structure to brake, the part of the piston rod 6, which is positioned between the first partition plate 4 and the second partition plate 5, is positioned at the inner side of the spring 7, so that the spring 7 can limit the extension of the piston rod 6, and the spring 7 can enable the piston rod 6 to return to the original position.

The spring brake chamber with good dustproof performance: during operation, air enters the inner cavity of the shell 1 through the air inlet pipe 2 and is positioned on one side of the baffle plate 8 facing the air inlet pipe 2, so that the baffle plate 8 is pushed to slide, the baffle plate 8 slides along with the four slide bars 15 and drives the piston rods 6 and the extension rods 13 to move, and the connecting fork 3 changes positions, so that related braking operation is realized (the springs 7 are compressed at the moment); after braking is finished, when braking limitation is required to be released, air is pumped from the air inlet pipe 2, and under the action of the spring 7, the piston rod 6 gradually returns to the original position and the baffle plate 8 returns to the original position; in the sliding process of the baffle plate 8, the inner dustproof plate 10 is driven to slide in the sliding groove 9, and the inner sealing gasket 11 and the outer sealing gasket 12 are utilized to play a good dustproof role, so that dust cannot enter the side, back to the air inlet pipe 2, of the baffle plate 8 through the air inlet pipe 2, and the piston rod 6 is polluted.

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

1. The spring brake chamber with good dustproof performance comprises a shell (1), a piston rod (6) and a spring (7), wherein the piston rod (6) and the spring (7) are arranged in the shell (1), and the spring brake chamber is characterized in that a first partition plate (4) and a second partition plate (5) are fixedly welded in an inner cavity of the shell (1), the inner cavity of the shell (1) is divided into three parts through the first partition plate (4) and the second partition plate (5), and one end of the shell (1) is fixedly connected with an air inlet pipe (2);

a baffle (8) is slidably arranged on one side, back to the second partition plate (5), of the inner cavity of the shell (1), a chute (9) in a shape of a Chinese character kou is formed on one side, where the baffle (8) is located, of the inner cavity of the shell (1), an inner dustproof plate (10) in a shape of a Chinese character kou is fixedly welded on the outer side of the baffle (8), and the inner dustproof plate (10) is inserted into the chute (9) in a fit manner;

the inner sealing gasket is fixedly bonded to two sides of the inner wall of the inner dust guard (10), the outer wall of the inner dust guard (10) is fixedly bonded with the outer sealing gasket (12), the inner sealing gasket (11) is bonded to the inner wall of the sliding groove (9), the outer sealing gasket (12) is bonded to the outer wall of the sliding groove (9), one end of the piston rod (6) is fixedly welded to the center of one side, opposite to the air inlet pipe (2), of the baffle (8), and two ends of the spring (7) are fixedly connected with one side wall of the first partition plate (4) and one side wall of the second partition plate (5) opposite to each other respectively.

2. A spring brake chamber with good dustproof performance according to claim 1, characterized in that the piston rod (6) slides through the first partition plate (4) and the second partition plate (5) and is connected with an extension rod (13), and the extension rod (13) slides through the end of the housing (1) far from the air inlet pipe (2) and is connected with a connecting fork (3).

3. The spring brake chamber with good dustproof performance according to claim 1, wherein the baffle plate (8) is attached to the inner wall of the housing (1), movable ports (14) are respectively formed in four corners of the baffle plate (8), and sliding rods (15) are respectively arranged in the four movable ports (14) in a sliding manner.

4. A spring brake chamber with good dustproof performance according to claim 3, wherein the two ends of the sliding rod (15) are fixedly connected with the inner wall of the housing (1) and the first partition plate (4) respectively.

5. A spring brake chamber with good dust protection according to claim 4, characterized in that the part of the piston rod (6) between the first partition plate (4) and the second partition plate (5) is located inside the spring (7).