CN213502254U

CN213502254U - Rubber diaphragm for automobile vacuum booster

Info

Publication number: CN213502254U
Application number: CN202022256004.XU
Authority: CN
Inventors: 樊玉诚; 石杰; 胡宁
Original assignee: Jiangsu Bomeng Technology Co ltd
Current assignee: Jiangsu Bomeng Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-22
Anticipated expiration: 2030-10-12

Abstract

The utility model relates to the technical field of auto-parts, and a rubber diaphragm for automobile vacuum booster is disclosed, including the flexure strip, the outside fixed mounting of flexure strip has the collar, the right side fixed mounting of flexure strip has a telescopic cylinder, telescopic cylinder's right side fixed mounting has the sleeve with telescopic cylinder intercommunication, telescopic outside fixed mounting has the mounting piece, the opening with telescopic cylinder inside intercommunication is seted up on the right side of flexure strip, telescopic cylinder's inside fixed mounting has the spacing collar, the left side fixed mounting of flexure strip has solid fixed ring. This rubber diaphragm for car vacuum servo-actuator can reduce diaphragm middle part motion range, reduces the fatigue that its frequent deformation produced, can produce the buffering and promote it to reset to the deformation of diaphragm simultaneously, reduces the power that receives in the diaphragm deformation process, and can offset the outside irregular shake of diaphragm, can effectively improve the life of diaphragm.

Description

Rubber diaphragm for automobile vacuum booster

Technical Field

The utility model relates to the technical field of auto-parts, specifically be a rubber diaphragm for car vacuum booster.

Background

The automobile parts are various, people consume more and more automobiles along with improvement of living standard of people, the market of the automobile parts becomes larger and larger, automobile part manufacturers develop rapidly in recent years, and the vacuum booster belongs to one of the automobile parts and is a part for increasing the force exerted on a pedal by a driver by utilizing vacuum.

Traditional vacuum booster rubber diaphragm, when carrying out the deformation motion, its middle part motion range is bigger than the outside, leads to the middle part ageing more fast, and because gas maldistribution can lead to its deformation in-process to produce different range shake during the evacuation, influences the holistic life of diaphragm, so proposed a rubber diaphragm for car vacuum booster and solved the problem that the aforesaid provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a rubber diaphragm for car vacuum booster possesses advantages such as life is longer, has solved traditional vacuum booster rubber diaphragm, when carrying out deformation motion, and its middle part motion range is bigger than the outside, leads to the middle part ageing more quick, and because gas maldistribution can lead to its deformation in-process to produce different range shake during the evacuation, influences the holistic life's of diaphragm problem.

(II) technical scheme

In order to realize the longer purpose of above-mentioned life, the utility model provides a following technical scheme: a rubber diaphragm for an automobile vacuum booster comprises an elastic sheet, wherein a mounting ring is fixedly mounted on the outer portion of the elastic sheet, a telescopic cylinder is fixedly mounted on the right side of the elastic sheet, a sleeve communicated with the telescopic cylinder is fixedly mounted on the right side of the telescopic cylinder, a mounting piece is fixedly mounted on the outer portion of the sleeve, an opening communicated with the inner portion of the telescopic cylinder is formed in the right side of the elastic sheet, a limiting ring is fixedly mounted on the inner portion of the telescopic cylinder, a fixing ring is fixedly mounted on the left side of the elastic sheet, four connecting rods are fixedly mounted on the left side of the fixing ring, a connecting cylinder is sleeved on the outer portion of the left ends of the four connecting rods, a limiting plate located inside the connecting cylinder is fixedly mounted on the left side of the four connecting rods, a guide sleeve sleeved on the outer portion of the connecting rods is embedded on the right side of the connecting cylinder, a, the connecting rod outside and with limiting plate right side fixed connection's reset spring is located to the left side fixed mounting of retainer plate, the left side fixed mounting of connecting cylinder has the mount pad, the left side of mount pad is inlayed and is equipped with the solid fixed cylinder that runs through the mount pad and extend to the connecting cylinder inside.

Preferably, the outside of telescopic cylinder is the corrugate setting, the spacing collar is elastic metal circle and is horizontal equidistant evenly distributed.

Preferably, the outer part of the mounting ring is provided with mounting holes which are uniformly distributed in an annular shape at equal angles.

Preferably, four the connecting rod is the equal angle evenly distributed, four the connecting rod all with solid fixed ring's left side welding.

Preferably, the guide sleeve is connected with the outer portion of the connecting rod in a sliding mode, and a sealing ring is embedded in the left side of the mounting seat.

Preferably, the inner wall of the connecting cylinder is provided with two sliding chutes, and the outside of the limiting plate extends to the insides of the two sliding chutes.

(III) advantageous effects

Compared with the prior art, the utility model provides a rubber diaphragm for car vacuum booster possesses following beneficial effect:

the rubber diaphragm for the automobile vacuum booster is characterized in that four mounting seats and four mounting rings are mounted inside a shell of the vacuum booster through screws, the mounting plates are fixed with a sealing cover of the vacuum booster, a power end of the rubber diaphragm penetrates through a sleeve, the elastic diaphragm deforms towards the left side in the using process, a telescopic cylinder stretches, a limiting ring can improve the fatigue resistance of the telescopic cylinder, the deformation of the telescopic cylinder reduces the middle deformation quantity of the elastic diaphragm, the elastic diaphragm pushes four connecting rods to move towards the inside of a connecting cylinder through a fixing ring in the deformation process, a reset spring generates tensile deformation under the pushing of the connecting rods at the moment, the elastic diaphragm is buffered and forms boosting in the return process, when the outside of the elastic diaphragm generates uneven shaking, the elastic diaphragm is balanced by the fixing ring and distributed to the four connecting rods, and the irregular shaking is counteracted by the simultaneous movement of the four connecting rods, this rubber diaphragm stable in structure is reasonable, can reduce diaphragm middle part motion range, reduces the fatigue that its frequent deformation produced, can produce the buffering and promote it to reset to the deformation of diaphragm simultaneously, reduces the diaphragm deformation in-process and receives the power, and can offset the outside irregular shake of diaphragm, can effectively improve the life of diaphragm.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 3 is an enlarged schematic view of the structure at the position B of the present invention.

In the figure: 1. an elastic sheet; 2. a mounting ring; 3. a telescopic cylinder; 4. a sleeve; 5. mounting a sheet; 6. a port; 7. a limiting ring; 8. a fixing ring; 9. a connecting rod; 10. a connecting cylinder; 11. a limiting plate; 12. a guide sleeve; 13. a stationary ring; 14. a return spring; 15. a mounting seat; 16. and (4) fixing the cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a rubber diaphragm for a vacuum booster of an automobile comprises an elastic sheet 1, a mounting ring 2 is fixedly mounted on the outside of the elastic sheet 1, mounting holes are formed on the outside of the mounting ring 2 and are uniformly distributed in an annular equal angle manner, a telescopic cylinder 3 is fixedly mounted on the right side of the elastic sheet 1, a sleeve 4 communicated with the telescopic cylinder 3 is fixedly mounted on the right side of the telescopic cylinder 3, a mounting plate 5 is fixedly mounted on the outside of the sleeve 4, a through hole 6 communicated with the inside of the telescopic cylinder 3 is formed on the right side of the elastic sheet 1, a spacing ring 7 is fixedly mounted on the inside of the telescopic cylinder 3, the outside of the telescopic cylinder 3 is arranged in a corrugated manner, the spacing ring 7 is an elastic metal ring and is uniformly distributed in a transverse equal interval manner, a fixing ring 8 is fixedly mounted on the left side of the elastic sheet 1, four connecting rods 9 are fixedly mounted on the left side of the, four connecting rods 9 are welded with the left side of a fixed ring 8, connecting cylinders 10 are sleeved outside the left ends of the four connecting rods 9, limiting plates 11 positioned inside the connecting cylinders 10 are fixedly installed on the left sides of the four connecting rods 9, two sliding grooves are formed in the inner walls of the connecting cylinders 10, the outer portions of the limiting plates 11 extend into the two sliding grooves, guide sleeves 12 sleeved outside the connecting rods 9 are embedded on the right sides of the connecting cylinders 10, the guide sleeves 12 are slidably connected with the outer portions of the connecting rods 9, sealing rings are embedded on the left sides of installation seats 15, fixing rings 13 positioned outside the connecting rods 9 are fixedly installed inside the connecting cylinders 10, reset springs 14 sleeved outside the connecting rods 9 and fixedly connected with the right sides of the limiting plates 11 are fixedly installed on the left sides of the fixing rings 13, the installation seats 15 are fixedly installed on the left sides of the connecting cylinders 10, fixing cylinders 16 penetrating through the installation seats 15 and extending into the connecting cylinders 10 are embedded on the left, four mounting seats 15 and a mounting ring 2 are mounted inside a shell of a vacuum booster through screws, a mounting plate 5 and a sealing cover of the vacuum booster are fixed, a power end of the mounting plate passes through a sleeve 4, an elastic plate 1 deforms to the left side in the using process, a telescopic cylinder 3 stretches, a limiting ring 7 can improve the fatigue resistance of the telescopic cylinder 3, the deformation of the telescopic cylinder 3 can reduce the middle deformation of the elastic plate 1, the elastic plate 1 pushes four connecting rods 9 to move towards the inside of a connecting cylinder 10 through a fixing ring 8 in the deformation process, a reset spring 14 stretches and deforms under the pushing of the connecting rods 9 to buffer the elastic plate 1 and form assistance in the return process, when the outside of the elastic plate 1 generates uneven shaking, the elastic plate is balanced by the fixing ring 8 and distributed to the four connecting rods 9, the irregular shaking is counteracted by the simultaneous movement of the four connecting rods 9, this rubber diaphragm stable in structure is reasonable, can reduce diaphragm middle part motion range, reduces the fatigue that its frequent deformation produced, can produce the buffering and promote it to reset to the deformation of diaphragm simultaneously, reduces the diaphragm deformation in-process and receives the power, and can offset the outside irregular shake of diaphragm, can effectively improve the life of diaphragm.

In conclusion, according to the rubber diaphragm for the vacuum booster of the automobile, the four mounting seats 15 and the mounting ring 2 are mounted inside the shell of the vacuum booster through screws, the mounting plate 5 and the sealing cover of the vacuum booster are fixed, the power end of the rubber diaphragm penetrates through the sleeve 4, the elastic plate 1 deforms to the left side in the use process, the telescopic cylinder 3 stretches, the limiting ring 7 can improve the fatigue resistance of the telescopic cylinder 3, the deformation of the telescopic cylinder 3 can reduce the middle deformation of the elastic plate 1, the elastic plate 1 pushes the four connecting rods 9 to move towards the inside of the connecting cylinder 10 through the fixing ring 8 in the deformation process, the reset spring 14 generates tensile deformation under the pushing of the connecting rods 9, the elastic plate 1 is buffered and forms boosting in the return process, when the outside of the elastic plate 1 generates uneven shaking, the rubber diaphragm is balanced by the fixing ring 8 and is distributed to the four connecting rods 9, the irregular shake is offset by the simultaneous movement of four connecting rods 9, this rubber diaphragm stable in structure is reasonable, can reduce diaphragm middle part motion range, reduce the fatigue that its frequent deformation produced, simultaneously can produce the buffering and promote it to reset to the deformation of diaphragm, reduce the power that receives in the diaphragm deformation process, and can offset the outside irregular shake of diaphragm, can effectively improve the life of diaphragm, traditional vacuum booster rubber diaphragm has been solved, when carrying out the deformation motion, its middle part motion range is bigger than the outside, lead to the middle part ageing more fast, and because gas maldistribution can lead to its deformation in-process to produce different amplitude shakes during the evacuation, influence the holistic life's of diaphragm problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a rubber diaphragm for car vacuum booster, includes flexure strip (1), its characterized in that: the outer fixed mounting of flexure strip (1) has mounting ring (2), the right side fixed mounting of flexure strip (1) has a telescopic cylinder (3), the right side fixed mounting of telescopic cylinder (3) has sleeve (4) with telescopic cylinder (3) intercommunication, the outer fixed mounting of sleeve (4) has mounting ring (5), opening (6) with telescopic cylinder (3) inside intercommunication is seted up on the right side of flexure strip (1), the inside fixed mounting of telescopic cylinder (3) has spacing ring (7), the left side fixed mounting of flexure strip (1) has solid fixed ring (8), the left side fixed mounting of solid fixed ring (8) has connecting rod (9) that quantity is four, four the left end outside of connecting rod (9) all overlaps and is equipped with connecting cylinder (10), four the left side of connecting rod (9) all fixed mounting has limiting plate (11) that are located connecting cylinder (10), the right side of connecting cylinder (10) is inlayed and is equipped with cover and locates connecting rod (9) outside uide bushing (12), the inside fixed mounting of connecting cylinder (10) has retainer plate (13) that is located connecting rod (9) outside, the left side fixed mounting of retainer plate (13) has cover to locate connecting rod (9) outside and with limiting plate (11) right side fixed connection's reset spring (14), the left side fixed mounting of connecting cylinder (10) has mount pad (15), the left side of mount pad (15) is inlayed and is equipped with and runs through mount pad (15) and extend to connecting cylinder (10) inside retainer plate (16).

2. The rubber diaphragm for the vacuum booster of the automobile as claimed in claim 1, wherein: the outside of telescopic cylinder (3) is the corrugate setting, spacing collar (7) are elastic metal circle and are horizontal equidistant evenly distributed.

3. The rubber diaphragm for the vacuum booster of the automobile as claimed in claim 1, wherein: the mounting ring is characterized in that mounting holes are formed in the outer portion of the mounting ring (2), and the mounting holes are uniformly distributed in an annular shape at equal angles.

4. The rubber diaphragm for the vacuum booster of the automobile as claimed in claim 1, wherein: four connecting rods (9) are equiangular evenly distributed, four connecting rods (9) all weld with the left side of solid fixed ring (8).

5. The rubber diaphragm for the vacuum booster of the automobile as claimed in claim 1, wherein: the guide sleeve (12) is connected with the outer portion of the connecting rod (9) in a sliding mode, and a sealing ring is embedded in the left side of the mounting seat (15).

6. The rubber diaphragm for the vacuum booster of the automobile as claimed in claim 1, wherein: the inner wall of the connecting cylinder (10) is provided with two sliding chutes, and the outside of the limiting plate (11) extends to the insides of the two sliding chutes.