CN217682951U

CN217682951U - Spring brake air chamber with sealed diaphragm air return pipe device

Info

Publication number: CN217682951U
Application number: CN202220561854.7U
Authority: CN
Inventors: ***; 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: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-10-28
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses a have sealed diaphragm muffler device spring brake chamber, including the parking chamber, still include seal assembly and installation component, seal assembly comprises well casing, driving chamber, 11 mouths, 12 mouths, sealed diaphragm, supporting shoe, back shaft, reset spring A, connecting block and connecting axle, well casing is installed at the parking chamber and is driven between the chamber, 11 mouths and 12 mouths have been seted up on well casing surface, it has sealed diaphragm to all peg graft in 11 mouths and 12 mouths, the supporting shoe is installed to sealed diaphragm tip, install the back shaft in the well casing, the back shaft is provided with two sets of and symmetry and installs at sealed diaphragm both ends, install reset spring A on the back shaft, the connecting block is installed to the reset spring A other end. The utility model discloses a seal assembly prevents that outside impurity from flowing into the parking chamber or driving the vehicle intracavity from the gap, arouses the trouble, through the installation component, is convenient for install spring brake chamber fast.

Description

Spring brake air chamber with sealed diaphragm air return pipe device

Technical Field

The utility model relates to an automobile brake technical field, in particular to have sealed diaphragm muffler device spring brake chamber.

Background

Spring brake chambers are part of automotive brake systems. The pneumatic spring brake is generally arranged on a drive axle of an automobile to provide braking torque for wheels, the conventional spring brake air chamber is generally independently controlled by double air paths, an inflation air path is used during service braking, air pressure is filled into one cabin to push a brake push rod, the other cabin is subjected to air loss braking, the air filled into the cabins is discharged during parking and failure, the spring is pushed to complete braking, and the two brakes are independently carried out.

Patent No. CN201710504454.6 discloses an improved spring brake chamber. This modified spring brake air chamber includes forebody, midbody, afterbody and clamp, forebody and midbody form the service brake chamber, the periphery of the junction of forebody is equipped with the first turn-up of round, the periphery of the junction of midbody is equipped with the turn second turn-up, first turn-up and the outside parcel of second turn-up have the clamp, be equipped with locking bolt and lock nut on the clamp, the left side of first involucra is equipped with the push rod dish, the middle part welding of push rod dish has the push rod, the outside welding of push rod tip has the round return spring retainer plate, midbody and afterbody form the parking brake chamber, the periphery of the junction of midbody is equipped with the turn third turn-up, the periphery of the junction of afterbody is equipped with the round and bordures, be equipped with the second involucra between third turn-up and the bordure, second involucra left side is equipped with the tappet right side dish, the tappet right dish with be equipped with reset spring between the midbody, be equipped with the round protruding muscle on the midbody internal surface.

This have sealed diaphragm muffler device spring brake chamber and have following drawback: a gap is reserved between the middle shells, dust easily enters the middle shells, and the dust in the middle shells not only causes pollution of the air brake chamber, but also causes faults; after the spring brake air chamber is damaged, the quick disassembly and assembly are inconvenient to carry out.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a have sealed diaphragm muffler device spring brake chamber, can effectively solve the problem among the background art.

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

the utility model provides a have sealed diaphragm muffler device spring brake air chamber, includes the parking chamber, still includes seal assembly and installation component, seal assembly comprises well casing, driving chamber, 11 mouthful, 12 mouths, sealed diaphragm, supporting shoe, back shaft, reset spring A, connecting block and connecting axle, well casing is installed between parking chamber and driving chamber, 11 mouths and 12 mouths have been seted up on well casing surface, 11 mouths and 12 mouths are interior all pegged graft and are had sealed diaphragm, the supporting shoe is installed to sealed diaphragm tip, install the back shaft in the well casing, the back shaft is provided with two sets of and symmetry and installs at sealed diaphragm both ends, install reset spring A on the back shaft, the connecting block is installed to the reset spring A other end, the connecting axle is installed to the connecting block lateral wall, install the supporting shoe on the connecting axle.

Further, the mounting assembly comprises a mounting disc A, a mounting disc B, a mounting shaft, a gasket, a containing cavity and a limiting block, the mounting disc A is mounted at the end of the parking cavity, the mounting disc B is mounted at the end of the middle shell, the mounting shaft penetrates through the mounting disc A and the mounting disc B, the gasket is mounted at one end of the mounting shaft, the containing cavity is formed in the other end of the mounting shaft, and the limiting block is inserted into the containing cavity; through the installation component, the installation of the spring brake chamber is convenient and quick.

Further, the size of the sealing membrane is matched with the sizes of the 11 mouths and the 12 mouths; the supporting block 11 pushes the sealing diaphragm, and the sealing diaphragm is embedded into the air inlet position of 11 or 12, so that the air inlet position of 11 or 12 is sealed.

Further, a supporting seat is mounted at the bottom in the accommodating cavity, a return spring B is mounted at the top of the supporting seat, and the return spring B is mounted at the bottom of the limiting block; promote the stopper, stopper extrusion reset spring B, reset spring B atress takes place to deform, and the stopper gets into holds intracavity portion, and after gasket laminating mounting disc B, hold the chamber and remove to mounting disc A tip, reset spring B promotes the stopper, and the stopper removes to holding the chamber outside and laminating to mounting disc A.

Further, thread grooves are formed in the mounting disc A and the mounting disc B, threads are carved on the outer wall of the mounting shaft, and the threads are matched with the thread grooves; the mounting shaft is inserted in the thread groove, and the mounting shaft is rotated in the thread groove through threads engraved on the outer part of the mounting shaft.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses when using, when 11 mouthful or 12 mouthful admit air, the sealed diaphragm is strikeed to the air current, sealed diaphragm drive supporting shoe, the supporting shoe atress promotes the connecting axle, the connecting axle passes through connecting block pulling reset spring A, reset spring A takes place deformation, make 11 mouthful or 12 mouthful air current get into in the casing inside, after stopping the air current and getting into, reset spring A passes through the connecting block and promotes the connecting axle at the reaction force that does not produce behind the external force, connecting axle drive supporting seat piece, the supporting shoe promotes sealed diaphragm, sealed diaphragm embedding 11 mouthful or 12 mouthful department of admitting air, seal 11 mouthful or 12 mouthful department of admitting air, through seal assembly, prevent that external impurity from flowing into the parking chamber or driving the vehicle intracavity from the gap, cause the trouble.

2. The utility model discloses when spring brake chamber is installed fast to needs, with mounting disc A laminating mounting disc B and adjust mounting disc A and mounting disc B's angle, promote the stopper, stopper extrusion reset spring B, reset spring B atress takes place to deform, the stopper gets into holds intracavity portion, to install the axle peg graft at the thread groove, screw thread through installing the axle outside is carved with, make installation axle rotate in the thread groove, after gasket laminating mounting disc B, hold the chamber and remove to mounting disc A tip, reset spring B promotes the stopper, the stopper removes to holding the chamber outside and laminating to mounting disc A, through the installation component, be convenient for install spring brake chamber fast.

Drawings

FIG. 1 is a front view of a spring brake chamber with a sealed diaphragm muffler device of the present invention;

FIG. 2 is a schematic view of the expansion of the interior of the middle shell with the spring brake chamber of the sealed diaphragm muffler device of the present invention;

fig. 3 is the installation axle extension schematic diagram of the spring brake chamber with the sealing diaphragm air return pipe device of the utility model.

In the figure: 1. a parking chamber; 2. a middle shell; 3. a travelling crane cavity; 4. installing a disc A; 5. mounting a disc B; 6. a thread groove; 7. installing a shaft; 8. 11 ports; 9. 12 mouths; 10. sealing the membrane; 11. a support block; 12. a support shaft; 13. a return spring A; 14. connecting blocks; 15. a connecting shaft; 16. a gasket; 17. a cavity; 18. a supporting seat; 19. a return spring B; 20. a limiting block; 21. a seal assembly; 22. and (6) mounting the assembly.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1-3, a spring brake chamber with a sealed diaphragm muffler device comprises a parking chamber 1, and further comprises a sealing assembly 21 and a mounting assembly 22, wherein the sealing assembly 21 comprises a middle shell 2, a

driving chamber

3, 11 ports 8 and 12 ports 9, a sealed diaphragm 10, a supporting block 11, a supporting shaft 12, a return spring a13, a connecting block 14 and a connecting shaft 15, the middle shell 2 is mounted between the parking chamber 1 and the driving chamber 3, the surface of the middle shell 2 is provided with 11 ports 8 and 12 ports 9, the sealed diaphragms 10 are respectively inserted into the 11 ports 8 and 12 ports 9, the supporting block 11 is mounted at the end part of the sealed diaphragm 10, the supporting shaft 12 is mounted in the middle shell 2, the supporting shafts 12 are provided with two groups and symmetrically mounted at two ends of the sealed diaphragm 10, the return spring a13 is mounted on the supporting shaft 12, the connecting block 14 is mounted at the other end of the return spring a13, the connecting shaft 15 is mounted on the side wall of the connecting block 14, and the supporting block 11 is mounted on the connecting shaft 15.

The mounting assembly 22 comprises a mounting disc A4, a mounting disc B5, a mounting shaft 7, a gasket 16, a containing cavity 17 and a limiting block 20, the mounting disc A4 is mounted at the end of the parking cavity 1, the mounting disc B5 is mounted at the end of the middle shell 2, the mounting shaft 7 penetrates through the mounting disc A4 and the mounting disc B5, the gasket 16 is mounted at one end of the mounting shaft 7, the containing cavity 17 is formed in the other end of the mounting shaft 7, and the limiting block 20 is inserted into the containing cavity 17; the spring-mounted brake chamber is readily installed by the mounting assembly 22.

Wherein, the size of the sealing membrane 10 is matched with the sizes of the 11 ports 8 and 12 ports 9; the supporting block 11 pushes the sealing diaphragm 10, and the sealing diaphragm 10 is embedded into the air inlet of the 11-port 8 or 12-port 9 to seal the air inlet of the 11-port 8 or 12-port 9.

A supporting seat 18 is installed at the bottom in the accommodating cavity 17, a return spring B19 is installed at the top of the supporting seat 18, and the return spring B19 is installed at the bottom of a limiting block 20; promote stopper 20, stopper 20 extrusion reset spring B19, reset spring B19 atress takes place to deform, and stopper 20 gets into and holds the intracavity 17 inside, after gasket 16 laminating mounting disc B5, holds the intracavity 17 and removes to mounting disc A4 tip, and reset spring B19 promotes stopper 20, and stopper 20 removes to holding the intracavity 17 outside and laminate to mounting disc A4.

The mounting disc A4 and the mounting disc B5 are both provided with thread grooves 6, the outer wall of the mounting shaft 7 is provided with threads, and the threads are matched with the thread grooves 6; the mounting shaft is inserted into the thread groove 6, and the mounting shaft is rotated in the thread groove 6 by the thread engraved on the outside of the mounting shaft.

It should be noted that, the utility model relates to a spring brake air chamber with sealed diaphragm muffler device, when using, when 11 mouths 8 or 12 mouths 9 admit air, the air current strikes sealed diaphragm 10, sealed diaphragm 10 drives supporting shoe 11, supporting shoe 11 is forced to promote connecting axle 15, connecting axle 15 pulls reset spring a13 through connecting block 14, reset spring a13 takes place the deformation, make 11 mouths 8 or 12 mouths 9's air current enter the interior casing 2, after stopping the air current to enter, the reaction force that reset spring a13 produced after not receiving external force promotes connecting axle 15 through connecting block 14, connecting axle 15 drives supporting seat 18, supporting shoe 11 promotes sealed diaphragm 10, sealed diaphragm 10 imbeds 11 mouths 8 or 12 mouths 9's air inlet department, seal 11 mouths 8 or 12 mouths 9's air inlet department, through seal assembly 21, prevent that outside impurity from flowing into parking chamber 1 or driving in the chamber 3 from the gap, arouse the trouble, when needs install spring brake chamber fast, laminate mounting disc A4 mounting disc B5 and adjust mounting disc A4 and mounting disc B5's angle, promote stopper 20, stopper 20 extrusion reset spring B19, reset spring B19 atress takes place to deform, stopper 20 gets into and holds the intracavity portion 17, peg graft the installation axle in thread groove 6, screw thread through installing the off-axial portion and being carved with, make the installation axle rotate in thread groove 6, after 16 laminating mounting discs B5 of gasket, hold intracavity 17 and remove to mounting disc A4 tip, reset spring B19 promotes stopper 20, stopper 20 removes to holding the intracavity portion 17 and laminate to mounting disc A4 outward, through installation component 22, be convenient for install installation spring brake chamber fast.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A spring brake air chamber with a sealed diaphragm air return pipe device comprises a parking cavity (1), characterized in that the device also comprises a sealing component (21) and a mounting component (22), the sealing component (21) consists of a middle shell (2), a traveling cavity (3), 11 ports (8), 12 ports (9), a sealing diaphragm (10), a supporting block (11), a supporting shaft (12), a return spring A (13), a connecting block (14) and a connecting shaft (15), the middle shell (2) is arranged between the parking cavity (1) and the traveling cavity (3), the surface of the middle shell (2) is provided with 11 ports (8) and 12 ports (9), sealing membranes (10) are inserted into the 11 openings (8) and the 12 openings (9), a supporting block (11) is arranged at the end part of the sealing membrane (10), the middle shell (2) is internally provided with two groups of supporting shafts (12), the two groups of supporting shafts (12) are symmetrically arranged at the two ends of the sealing diaphragm (10), a return spring A (13) is arranged on the supporting shaft (12), the other end of the return spring A (13) is provided with a connecting block (14), connecting shaft (15) are installed to connecting block (14) lateral wall, install supporting shoe (11) on connecting shaft (15).

2. The spring brake chamber with the sealed diaphragm muffler device according to claim 1, wherein: installation component (22) comprises mounting disc A (4), mounting disc B (5), installation axle (7), gasket (16), appearance chamber (17) and stopper (20), mounting disc A (4) is installed to parking chamber (1) tip, mounting disc B (5) are installed to well casing (2) tip, installation axle (7) run through mounting disc A (4) and mounting disc B (5), gasket (16) are installed to installation axle (7) one end, installation axle (7) other end has been seted up and has been held chamber (17), it has stopper (20) to hold inside the pegging graft of chamber (17).

3. The spring brake chamber with the sealed diaphragm muffler device according to claim 1, wherein: the size of the sealing membrane (10) is matched with the sizes of the 11 openings (8) and the 12 openings (9).

4. The spring brake chamber with the sealed diaphragm muffler device according to claim 2, wherein: supporting seat (18) are installed to the bottom in appearance chamber (17), reset spring B (19) are installed at supporting seat (18) top, reset spring B (19) are installed in stopper (20) bottom.

5. The spring brake chamber with the sealed diaphragm muffler device according to claim 2, wherein: thread groove (6) have all been seted up on mounting disc A (4) and mounting disc B (5), installation axle (7) outer wall is carved with screw thread and thread groove (6) adaptation.