CN209115566U - The total pump assembly of wear-resistant clutch - Google Patents
The total pump assembly of wear-resistant clutch Download PDFInfo
- Publication number
- CN209115566U CN209115566U CN201821243218.XU CN201821243218U CN209115566U CN 209115566 U CN209115566 U CN 209115566U CN 201821243218 U CN201821243218 U CN 201821243218U CN 209115566 U CN209115566 U CN 209115566U
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- China
- Prior art keywords
- piston
- separation sleeve
- wear
- pump housing
- leather cup
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Abstract
The utility model relates to a kind of total pump assemblies of wear-resistant clutch, have dust cover, limit stop ring, leather cup I, the pump housing, piston, leather cup II, spring base and return spring；Device has leather cup I, leather cup II on piston；Return spring, spring base, piston is sequentially loaded into pump body, limit stop ring limits piston-initial-position, it is characterized in that the piston has the second outer surface of the first outer surface of piston and piston, there are gap a between the second outer surface of pump housing inner surface and piston of the pump housing, wear-resisting separation sleeve is equipped on the first outer surface of piston of the piston, the wear-resisting separation sleeve has separation sleeve outer surface and separation sleeve inner surface, first outer surface of piston is in contact with separation sleeve inner surface, separation sleeve outer surface is in contact with pump housing inner surface, piston, which is contacted by the first outer surface of piston with separation sleeve inner surface, drives separation sleeve outer surface to do reciprocating friction along pump housing axis with pump housing inner surface and move.
Description
Technical field
The utility model relates to a kind of wear-resistant clutch for belonging to automobile clutch master cylinder assembly product technical field is total
Pump assembly.
Background technique
At present in automobile clutch master cylinder assembly field, clutch main cylinder assembly generallys use piston and is fit directly into pump
Internal portion, outer surface of piston does contact reciprocating motion along axial direction along the pump housing inner surface when work, and the structure is to piston appearance
Face and pump housing inside surface roughness and requirement on machining accuracy are high.Be affected by it, in actual use easily occur by
It is inadequate in outer surface of piston and pump housing inside surface roughness and machining accuracy, and leather cup damage phenomenon is induced, to generate total
At oil leak, the bad phenomenons such as pressure can not be built, lead to assembly failure (traditional structure schematic diagram is shown in Fig. 1).
Therefore, existing automobile clutch master cylinder assembly existing defects, need to improve.
Summary of the invention
The purpose of this utility model is improved in the structure of existing automobile clutch master cylinder assembly, and a kind of energy is provided
Product service life is improved, client cost is reduced, reduces energy waste；Be provided simultaneously with difficulty of processing is low, quality is stable, be conducive to batch
Quantify the total pump assembly of wear-resistant clutch of production.
The basic conception of the utility model is: providing a kind of total pump assembly of wear-resistant clutch, outer surface of piston and the pump housing
Inner surface uses contactless design, has wear-resisting separation sleeve, wear-resisting separation sleeve outer surface and pump housing inner surface phase in piston apparatus
Contact；Since wear-resisting separation sleeve is made of to be effectively prevented at work using a kind of wear-resistant plastic due in the pump housing
Leather cup damages caused by mantle friction modification, reduces difficulty of processing again while greatling improve product service life.
The basic structure of the total pump assembly of the utility model wear-resistant clutch is, at least by dust cover, limit stop ring, leather cup
I, the pump housing, piston, separation sleeve, leather cup II, spring base and return spring composition；Device has leather cup I, wear-resisting separation sleeve on piston
And leather cup II；Return spring, spring base, piston are successively packed into pump body, limit stop ring limits piston-initial-position.
Due to using the total pump assembly of wear-resistant clutch provided by the utility model, product can be greatlyd improve and use the longevity
Life reduces client cost, reduces energy waste；It is provided simultaneously with that difficulty of processing is low, quality is stable, conducive to the spy of mass production
Point.
Specifically, the total pump assembly of wear-resistant clutch described in the utility model has dust cover, limit stop ring, skin
Bowl I, the pump housing, piston, leather cup II, spring base and return spring；Device has leather cup I, leather cup II on piston；Return spring, bullet
Spring abutment, piston are sequentially loaded into pump body, and limit stop ring limits piston-initial-position, and the piston has the first outer surface of piston
With the second outer surface of piston, there are gap a between the second outer surface of pump housing inner surface and piston of the pump housing, the piston
Wear-resisting separation sleeve is equipped on the first outer surface of piston, the wear-resisting separation sleeve has table in separation sleeve outer surface and separation sleeve
Face, first outer surface of piston are in contact with separation sleeve inner surface, and separation sleeve outer surface is in contact with pump housing inner surface, piston
Being contacted by the first outer surface of piston with separation sleeve inner surface drives separation sleeve outer surface to do with pump housing inner surface along pump housing axis
Reciprocating friction movement.
Wear-resisting separation sleeve described in the utility model be wear-resistant plastic, material can for PA, POM, PC, PE, PET,
The one of which or combinations thereof of PBT, ABS, PTFE etc..
Compared with the aforementioned existing similar products, the total pump assembly of the wear-resistant clutch of the utility model can improve product use
Service life reduces client cost, reduces energy waste；Be provided simultaneously with difficulty of processing is low, quality is stable, be conducive to mass production.
The content of the utility model is further described with the following Examples, but the content of the utility model is not only
It is limited to content involved in embodiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing automobile clutch master cylinder assembly.
Fig. 2 is the structural schematic diagram of the total pump assembly of wear-resistant clutch in embodiment.
Fig. 3 is the amplification schematic perspective view of wear-resisting separation sleeve in embodiment.
Fig. 4 is the amplification schematic perspective view of piston in embodiment.
Fig. 5 is I partial enlarged view of Fig. 2.
Specific embodiment
Embodiment 1: as shown in Figures 2 to 5, the total pump assembly of wear-resistant clutch described in the present embodiment has dust cover
1, limit stop ring 2, leather cup I 3, the pump housing 4, piston 5, wear-resisting separation sleeve 6, leather cup II 7, spring base 8 and return spring 9；Piston
Upper device has leather cup I 3, leather cup II 7；Return spring 9, spring base 8, piston 5 are sequentially loaded into inside the pump housing 4, and limit stop ring 2 limits
5 initial position of piston, the piston 5 have the first outer surface of piston 12 and the second outer surface of piston 13, the pump housing of the pump housing 4
There are gap a between inner surface 14 and the second outer surface of piston 13, it is equipped on the first outer surface of piston 12 of the piston 5 resistance to
Separation sleeve 6 is ground, the wear-resisting separation sleeve 6 has separation sleeve outer surface 10 and separation sleeve inner surface 11, first appearance of piston
Face 12 is in contact with separation sleeve inner surface 11, and separation sleeve outer surface 10 is in contact with pump housing inner surface 14, and piston 5 passes through piston the
One outer surface 12 contacted with separation sleeve inner surface 11 drive separation sleeve outer surface 10 done with pump housing inner surface 14 along 4 axis of the pump housing it is past
Multiple fricting movement.
Wear-resisting separation sleeve 6 described in the present embodiment is wear-resistant plastic.
That is, the total pump assembly of wear-resistant clutch described in the present embodiment comprises the following structure:
1. device has leather cup I 3, wear-resisting separation sleeve 6 and leather cup II 7 to constitute piston component on piston 5；Successively by return
Spring 9, spring base 8, piston component are packed into inside the pump housing 4, are then charged into limit stop ring 2 and are limited piston-initial-position, finally will
Dust cover 1 is mounted on 4 end of the pump housing.
2. the first outer surface of piston 12 is in contact with separation sleeve inner surface 11, separation sleeve outer surface 10 and pump housing inner surface
14 are in contact；And there are certain gap a between the second outer surface of piston 13 and pump housing inner surface 14；Piston 5 passes through when work
The first outer surface of piston 12 is contacted with separation sleeve inner surface 11 drives separation sleeve outer surface 10 and pump housing inner surface 14 along 4 axis of the pump housing
Line does reciprocating friction movement.
3. wear-resisting separation sleeve 6 is wear-resistant plastic, material are as follows: PA, POM, PC, PE, PET, PBT, ABS, PTFE's etc.
One of which or combinations thereof.
The course of work of the total pump assembly of wear-resistant clutch described in the present embodiment are as follows:
Fuel feed hole 15 is connected by pipeline with extraneous lubricating cup, and oil outlet 16 is connected by pipeline with clutch slave cylinder
It connects to form a closed-loop system；When work, when external force F pushes piston 5 to move right along 14 axial line of pump housing inner surface of the pump housing 4
Dynamic, piston 5 drives leather cup I 3, wear-resisting separation sleeve 6 and leather cup II 7 simultaneously while moving and return spring 9 is forced to generate compression
Deformation, when leather cup II 7 passes through fuel feed hole 15 completely, oil inlet and oil discharge passage are cut off；Piston 5 continues to move at this time, in skin
The oil liquid volume in oil outlet is oppressed under the action of bowl II 7, so that hydrodynamic force is used for system.
After external force F is released, piston 5 drives leather cup I 3, wear-resisting separation sleeve 6 and leather cup II 7 in the effect of return spring 9
Under return to initial position, oil inlet at this time and oil discharge passage are opened, and hydraulic coupling is released.
Claims (2)
1. a kind of total pump assembly of wear-resistant clutch has dust cover (1), limit stop ring (2), leather cup I (3), the pump housing (4), lives
Fill in (5), leather cup II (7), spring base (8) and return spring (9)；Device has leather cup I (3), leather cup II (7) on piston；Return
Spring (9), spring base (8), piston (5) are sequentially loaded into the pump housing (4) inside, and limit stop ring (2) limits piston (5) initial position,
It is characterized in that the piston (5) has the first outer surface of piston (12) and the second outer surface of piston (13), the pump of the pump housing (4)
There are gap a, the first outer surfaces of piston (12) of the piston (5) between internal surface (14) and the second outer surface of piston (13)
On be equipped with wear-resisting separation sleeve (6), the wear-resisting separation sleeve (6) have separation sleeve outer surface (10) and separation sleeve inner surface
(11), first outer surface of piston (12) is in contact with separation sleeve inner surface (11), in separation sleeve outer surface (10) and the pump housing
Surface (14) is in contact, and piston (5) is contacted with separation sleeve inner surface (11) by the first outer surface of piston (12) and drives separation sleeve
Reciprocating friction movement is done along the pump housing (4) axis with pump housing inner surface (14) in outer surface (10).
2. the total pump assembly of wear-resistant clutch as described in claim 1, the wear-resisting separation sleeve (6) is wear-resistant plastic, material
Matter is the one of which or combinations thereof of PA, POM, PC, PE, PET, PBT, ABS, PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243218.XU CN209115566U (en) | 2018-08-03 | 2018-08-03 | The total pump assembly of wear-resistant clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243218.XU CN209115566U (en) | 2018-08-03 | 2018-08-03 | The total pump assembly of wear-resistant clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115566U true CN209115566U (en) | 2019-07-16 |
Family
ID=67196557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821243218.XU Active CN209115566U (en) | 2018-08-03 | 2018-08-03 | The total pump assembly of wear-resistant clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644254A (en) * | 2018-08-03 | 2018-10-12 | 四川柯世达汽车制动系统集团有限公司 | The total pump assembly of wear-resistant clutch |
-
2018
- 2018-08-03 CN CN201821243218.XU patent/CN209115566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644254A (en) * | 2018-08-03 | 2018-10-12 | 四川柯世达汽车制动系统集团有限公司 | The total pump assembly of wear-resistant clutch |
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