CN210637411U - Hydraulic buffer device for clutch release main cylinder - Google Patents
Hydraulic buffer device for clutch release main cylinder Download PDFInfo
- Publication number
- CN210637411U CN210637411U CN201921193611.7U CN201921193611U CN210637411U CN 210637411 U CN210637411 U CN 210637411U CN 201921193611 U CN201921193611 U CN 201921193611U CN 210637411 U CN210637411 U CN 210637411U
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- CN
- China
- Prior art keywords
- plate
- cylinder body
- clutch release
- clutch
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a hydraulic buffer device of a clutch release main cylinder, which comprises a rubber cushion plate and a pressing plate, wherein the rubber cushion plate is arranged in a step hole at one side of a cylinder body, and the step hole is communicated with a high-pressure rear cavity of the cylinder body; the pressure plate is arranged on the side surface of the cylinder body, and the pressure plate seals the stepped hole; the rubber base plate and the pressing plate divide the stepped hole into an inner cavity and an outer cavity. Because the utility model discloses a exist, therefore when the hydraulic pressure in the clutch release main cylinder reaches certain peak value, the utility model discloses a rubber tie plate can produce certain deformation, effectively slows down the impact that clutch transmission system received.
Description
Technical Field
The utility model relates to an automobile parts technical field, concretely relates to clutch release main cylinder hydraulic buffer.
Background
The clutch master cylinder is also called a clutch master cylinder and is the main type of a clutch hydraulic operating system, and hydraulic oil (brake oil) enters the master cylinder and pushes the clutch slave cylinder under the action of a clutch pedal so as to push the clutch to work. The clutch master cylinder is connected to the clutch pedal and connected with the clutch booster through an oil pipe, and is used for collecting pedal stroke information and enabling the clutch to be separated through the effect of the booster.
When a driver steps on a clutch pedal, a push rod pushes a main cylinder piston to increase oil pressure, the oil enters a branch pump through a hose, a branch pump pull rod is forced to push a release fork, and a release bearing is pushed forwards; when the driver releases the clutch pedal, the hydraulic pressure is released, the release fork gradually returns to the original position under the action of the return spring, and the clutch is in an engaged state again.
Fig. 1 is a schematic structural diagram of a conventional clutch release master cylinder, which is not provided with a buffer device, so that when the hydraulic pressure in a cylinder reaches a certain peak value, a transmission system of a clutch is subjected to a large impact, the comfort of a clutch control system is reduced, and the service life of the clutch transmission system is shortened.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the main object of the present invention is to provide a hydraulic buffer device for a clutch release main cylinder, which can reduce the impact on a clutch transmission system, improve the comfort of the clutch transmission system, and prolong the service life of the clutch transmission system.
The purpose of the utility model is realized with the following mode:
a hydraulic buffer device of a clutch release main cylinder comprises:
the rubber cushion plate is arranged in a step hole on one side of the cylinder body, and the step hole is communicated with a high-pressure rear cavity of the cylinder body;
the pressure plate is arranged on the side surface of the cylinder body, and the pressure plate seals the stepped hole;
the rubber base plate and the pressing plate divide the stepped hole into an inner cavity and an outer cavity.
Further, the rubber base plate is fixed on the step surface of the step hole through a steel wire clamp spring.
Furthermore, a sealing ring is arranged between the rubber base plate and the step surface, and the sealing ring is positioned in the first annular groove on the step surface.
Furthermore, an O-shaped ring is arranged between the pressure plate and the side surface of the cylinder body, and the O-shaped ring is positioned in a second annular groove on the side surface of the cylinder body.
Further, the wire clamp spring is located in the outer cavity.
Further, the pressure plate is fixed on one side of the cylinder body by a plurality of screws.
Furthermore, a corresponding spring washer is arranged between the screw and the pressure plate.
The utility model has the advantages that: because the utility model relates to a buffer gear who comprises rubber backing plate and clamp plate, therefore when the hydraulic pressure of the high pressure rear cavity of the cylinder body of clutch release main cylinder reached a definite value, can make fluid flow into the inner chamber from the high pressure rear cavity in to force the outside inflation in middle part of rubber backing plate to take place to warp, thereby effectively slowed down the impact that clutch transmission system received, improved clutch operating system's travelling comfort greatly, prolonged clutch transmission system's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:
FIG. 1 is a schematic diagram of a clutch release master cylinder of conventional design;
fig. 2 is a schematic structural diagram of the present invention;
fig. 3 is a sectional view taken along line B-B of fig. 2.
The notation in the figure is: the hydraulic cylinder comprises a cylinder body 1, a step hole 11, an inner cavity 112, an outer cavity 113, a step surface 114, a first annular groove 1141, a high-pressure rear cavity 13, a second annular groove 14, a sealing ring 2, a rubber base plate 3, a steel wire clamp spring 4, an O-shaped ring 5, a pressure plate 6, a spring washer 7 and a screw 8.
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. 2 to 3, a hydraulic buffer device for a clutch release master cylinder includes a rubber pad 3 and a pressing plate 6, the rubber pad 3 is installed in a stepped hole 11 on one side of a cylinder body 1, the stepped hole 11 is communicated with a high-pressure rear cavity 13 of the cylinder body 1, the pressing plate 6 is disposed on a side surface of the cylinder body 1, the pressing plate 6 blocks the stepped hole 11, the rubber pad 3 and the pressing plate 6 divide the stepped hole 11 into an inner cavity 112 and an outer cavity 113, the inner cavity 112 is a small hole of the stepped hole 11, and the outer cavity 113 is a part of a large hole of the stepped hole 11.
As shown in fig. 3, the rubber backing plate 3 is fixed on the step surface 114 of the step hole 11 through the wire clamp spring 4, the wire clamp spring 4 is located in the outer cavity 113, and the wire clamp spring 4 is arranged to prevent the rubber backing plate 3 from moving.
As shown in fig. 3, a sealing ring 2 is arranged between the rubber base plate 3 and the step surface 114, the sealing ring 2 is located in a first annular groove 1141 on the step surface 114, an O-shaped ring 5 is arranged between the pressure plate 6 and the side surface of the cylinder body 1, the O-shaped ring 5 is located in a second annular groove 14 on the side surface of the cylinder body 1, and the sealing ring 2 and the O-shaped ring 5 are arranged, so that a double seal is formed between the hydraulic buffer device of the clutch separating main cylinder and the cylinder body 1, and the leakage of oil in the step hole 11 is prevented.
As shown in fig. 3, the pressing plate 6 is fixed on one side of the cylinder body 1 through a plurality of screws 8, corresponding spring washers 7 are arranged between the screws 8 and the pressing plate 6, and the arrangement of the spring washers 7 can prevent the screws 8 from loosening, thereby preventing the pressing plate 6 from being connected with the cylinder body 1 insecurely.
In the present embodiment, the pressure plate 6 is fastened to the cylinder 1 by three screws 8 at 120 ° to each other, and the pressure plate 6 and the cylinder 1 are reliably connected by using the stability of the triangle.
When the hydraulic pressure in the high-pressure rear cavity 13 reaches a certain value, oil liquid can enter the inner cavity 112 to promote the middle part of the rubber base plate 3 to expand outwards to deform, namely the volume of the inner cavity 112 is increased, and the volume of the outer cavity 113 is reduced, so that the impact on the clutch transmission system is effectively reduced, the comfort of the clutch operation system is greatly improved, and the service life of the clutch transmission system is prolonged.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A hydraulic buffer device of a clutch release main cylinder is characterized by comprising:
the rubber pad (3), the rubber pad (3) is installed in a step hole (11) on one side of the cylinder body (1), and the step hole (11) is communicated with a high-pressure rear cavity (13) of the cylinder body (1);
the pressing plate (6) is arranged on the side face of the cylinder body (1), and the pressing plate (6) blocks the stepped hole (11);
the rubber backing plate (3) and the pressing plate (6) divide the stepped hole (11) into an inner cavity (112) and an outer cavity (113).
2. The hydraulic buffer device of the clutch release master cylinder according to claim 1, wherein the rubber pad (3) is fixed on the step surface (114) of the step hole (11) by a wire clamp spring (4).
3. The hydraulic buffer device of the clutch release master cylinder according to claim 2, characterized in that a sealing ring (2) is arranged between the rubber cushion plate (3) and the step surface (114), and the sealing ring (2) is positioned in a first annular groove (1141) on the step surface (114).
4. The hydraulic damping device of a clutch release master cylinder according to claim 2, characterized in that an O-ring (5) is provided between the pressure plate (6) and the side of the cylinder body (1), and the O-ring (5) is located in a second annular groove (14) on the side of the cylinder body (1).
5. The hydraulic damping device of a clutch release master cylinder according to claim 2, characterized in that the wire clamp spring (4) is located in the outer chamber (113).
6. The hydraulic damping device of a clutch release master cylinder according to claim 1, characterized in that the pressure plate (6) is fixed on one side of the cylinder body (1) by means of a number of screws (8).
7. Hydraulic damping arrangement according to claim 6, characterized in that a corresponding spring washer (7) is provided between the screw (8) and the pressure plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193611.7U CN210637411U (en) | 2019-07-26 | 2019-07-26 | Hydraulic buffer device for clutch release main cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193611.7U CN210637411U (en) | 2019-07-26 | 2019-07-26 | Hydraulic buffer device for clutch release main cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637411U true CN210637411U (en) | 2020-05-29 |
Family
ID=70798266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921193611.7U Expired - Fee Related CN210637411U (en) | 2019-07-26 | 2019-07-26 | Hydraulic buffer device for clutch release main cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210637411U (en) |
-
2019
- 2019-07-26 CN CN201921193611.7U patent/CN210637411U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 |