CN203926498U - A kind of automobile clutch master cylinder assembly - Google Patents
A kind of automobile clutch master cylinder assembly Download PDFInfo
- Publication number
- CN203926498U CN203926498U CN201420304849.3U CN201420304849U CN203926498U CN 203926498 U CN203926498 U CN 203926498U CN 201420304849 U CN201420304849 U CN 201420304849U CN 203926498 U CN203926498 U CN 203926498U
- Authority
- CN
- China
- Prior art keywords
- spring
- pump housing
- sealing
- piston
- master cylinder
- 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
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A kind of automobile clutch master cylinder assembly, the pump housing (21) inside is provided with return spring (34) and piston (32), piston (32) is provided with spring bracing and oil sealing (33) near a side of the inner chamber of the pump housing (21), there is column inner hole its inside, and opposite side is connected with the push rod (31) of clutch pedal; One end of sealing mandrel (35) is slidably arranged in column inner hole through after the endoporus of spring bracing, the block seat of sealing mandrel (35) the other end is provided with seal ring (37) near the pump housing (21) closed end, the opposite side of block seat is provided with a spring spool, between block seat and spring spool inner side, is set with Packing spring (39); Return spring (34) is sleeved on spring spool and spring bracing; There is high pressure oil outlet (40) below of the pump housing (21) sealing one end, and there is accumulator (36) top, and it is axially provided with balance/compensate opening (38), and balance/compensate opening (38) is communicated with the oil outlet of accumulator (36).
Description
Technical field:
The utility model relates to clutch field, is specifically related to a kind of automobile clutch master cylinder assembly.
Background technique
Automobile has become the symbol of modern social civilization, take in the automobile mechanical transmission system that internal-combustion engine is power, clutch is its important constituent elements, it is arranged on engine flywheel rear end conventionally, transmission system is associated with motor by it, the active part that is it is connected with engine flywheel, and secondary part is connected with speed changer.In vehicle traveling process, driver is for adapting to service condition needs such as starting, gearshift, braking, parking, and hydraulic clutch operating mechanism is to be manipulated directly by clutch control pedal.Driver, with stepping on frequently or the pedal of loosen the clutch, makes the intercropping of reasonable match system temporarily separated, to interrupt the transmission of power, makes it again subsequently gentle engagement, so that transferring power.Hydraulic clutch operating mechanism generally has clutch assembly (master cylinder) and clutch slave cylinder and pipe-line system to form, step on the pedal push rod of clutch master cylinder, the pressure transmission of master cylinder is in wheel cylinder, disengaging yoke is removed in the work of wheel cylinder, clutch compressing disc and sheet are departed to flywheel, at this moment just can start gearshift, and unclamp pedal push rod, wheel cylinder quits work, and clutch compressing disc and sheet contact with flywheel.Clutch master cylinder is to be connected to clutch foot plate, and the part being connected with wheel cylinder by oil pipe, and its gathers driver pedal travel information, and it is separated that the effect by wheel cylinder power-assisted realizes clutch.Visible, clutch master cylinder is absolutely necessary in the transmission system of clutch control, and it has the advantages such as simple in structure, reliable operation, clutch be soft.Be widely used on all kinds of automobiles.As shown in Figure 1, notification number is that the Chinese patent of CN2723763Y discloses a kind of anti-bias wearing clutch hydraulic main cylinder for automobile, there is the stepped shaft cylindrical hole of two concentrics the inside of its Master cylinder body 1, master cylinder piston guide sleeve 10 is arranged in the cylindrical hole 16 that Master cylinder body 1 inside diameter is larger, 15 of the cylindrical holes that Master cylinder body 1 inside diameter is less form the active chamber of master cylinder piston 6 jointly with the cylindrical hole 17 of master cylinder piston guide sleeve 10 inside, during master cylinder work, master cylinder piston 6 moves left and right in this active chamber, on Master cylinder body 1, there is the liquid outlet opening 2 being communicated with cylindrical hole 15, compensate opening 13 and by-pass hole 14, return spring retainer 4 and master cylinder piston apron 5 are installed on the master cylinder piston 6 in the cylindrical hole 15 in Master cylinder body 1, and be set with return spring 3, master cylinder connecting link 8 is connected with master cylinder piston 6 and passes through packing ring 7 and is connected with master cylinder piston guide sleeve 10 with circlip 9, Sealing 11 and 12 are housed on master cylinder piston guide sleeve 10.In practical application, find, this anti-bias wearing clutch hydraulic main cylinder for automobile not only structure is still more complicated, increased manufacture cost, and exist clutch master cylinder due to add grease chamber and working room minute the piston seal of equalizing orifice and compensate opening generation be easily worn, cut the defect that causes interior leakage, the existence of this defect has had a strong impact on the working life of clutch master cylinder.
Model utility content
The purpose of this utility model will overcome the above problems exactly, and provide a kind of automobile clutch master cylinder assembly, this automobile clutch master cylinder assembly has not only solved clutch master cylinder and has easily been worn, has cut owing to adding the equalizing orifice dividing of grease chamber and working room and the piston seal of compensate opening generation the short problem of interior leakage, working life causing, and manufacture simple, reliable operation, can effectively guarantee traffic safety.
The technical solution of the utility model is achieved like this:
A kind of automobile clutch master cylinder assembly, this automobile clutch master cylinder assembly is mainly by the pump housing 21, push rod 31, piston 32, oil sealing 33, return spring 34, sealing mandrel 35, accumulator 36, seal ring 37, balance/compensate opening 38, Packing spring 39, high pressure oil outlet 40 forms, its middle pump body 21 is for sealing the tubular of an end opening in one end, the pump housing 21 inside are provided with return spring 34 and piston 32 from inside to outside successively, piston 32 is provided with spring bracing and oil sealing 33 from inside to outside successively near a side of the inner chamber of the pump housing 21, piston 32 is provided with column inner hole near the inside of a side of the inner chamber of the pump housing 21, the opposite side of piston 32 is connected with the push rod of clutch pedal 31, one end of sealing mandrel 35 is slidably arranged in the column inner hole of piston 32 through after the endoporus of spring bracing, the other end of sealing mandrel 35 is a block seat, block seat is provided with seal ring 37 near a side of the pump housing 21 closed ends, the opposite side of block seat is provided with a spring spool, between block seat and spring spool inner side, is set with Packing spring 39, one end of return spring 34 is sleeved on the outside of spring spool, and the other end is sleeved on spring bracing, the below of the pump housing 21 sealing one end is provided with high pressure oil outlet 40, and the top of the pump housing 21 sealing one end is provided with accumulator 36, the pump housing 21 sealing one end be axially provided with balance/compensate opening 38, balance/compensate opening 38 is communicated with the oil outlet of accumulator 36.Seal ring 37 is preferably O RunddichtringO.
The technique effect of this automobile clutch master cylinder assembly is as follows:
1. the equalizing orifice of conventional clutch master cylinder and compensate opening are integrated, do not have dividing of fueling cavity and active chamber, it is simple in structure, easily manufactured;
2. adopt the sealing of O type circle, sealing is reliable, has removed interior leakage potential faults, master cylinder reliable operation;
3. Sealing is axially to arrange, sealing surface in the axial direction, the wearing and tearing of oil-feed/compensation aperture of having stopped conventional clutch master cylinder radial seal to axial motion piston oil seal, extend clutch working life, more needn't be for preventing that piston seal place from being cut and must carry out the retrofits such as aperture deburring at the burr at inboard wall of cylinder block place by aperture, saved manufacture cost.
Accompanying drawing explanation:
Wearing clutch hydraulic main cylinder structural representation in Fig. 1-prior art;
Fig. 2-automobile clutch master cylinder assembly structure schematic diagram of the present utility model;
The valve opening state schematic diagram of Fig. 3-automobile clutch master cylinder assembly of the present utility model;
The valve closing view of Fig. 4-automobile clutch master cylinder assembly of the present utility model.
Embodiment:
Below in conjunction with Figure of description, automobile clutch master cylinder assembly of the present utility model is further described in detail.
As shown in Figure 2, this automobile clutch master cylinder assembly is mainly by the pump housing 21, push rod 31, piston 32, oil sealing 33, return spring 34, sealing mandrel 35, accumulator 36, seal ring 37, balance/compensate opening 38, Packing spring 39, high pressure oil outlet 40 forms, its middle pump body 21 is for sealing the tubular of an end opening in one end, the pump housing 21 inside are provided with return spring 34 and piston 32 from inside to outside successively, piston 32 is cylindric, piston 32 is provided with spring bracing and oil sealing 33 from inside to outside successively near a side of the inner chamber of the pump housing 21, piston 32 is provided with column inner hole near the inside of a side of the inner chamber of the pump housing 21, the opposite side of piston 32 is connected with the push rod of clutch pedal 31.One end of sealing mandrel 35 is slidably arranged in the column inner hole of piston 32 through after the endoporus of spring bracing, the other end of sealing mandrel 35 is a block seat, block seat is provided with seal ring 37 near a side of the pump housing 21 closed ends, seal ring 37 is preferably O RunddichtringO, the opposite side of block seat is provided with a spring spool, between block seat and spring spool inner side, is set with Packing spring 39.One end of return spring 34 is sleeved on the outside of spring spool, and the other end is sleeved on spring bracing.The below of the pump housing 21 sealing one end is provided with high pressure oil outlet 40, and the top of the pump housing 21 sealing one end is provided with accumulator 36, the pump housing 21 sealing one end be axially provided with balance/compensate opening 38, balance/compensate opening 38 is communicated with the oil outlet of accumulator 36.During piston 32 operation, under the effect of sealing mandrel 35, balance/compensate opening 38 is played to switching function, this automobile clutch master cylinder assembly is had and manufacture feature simple, reliable operation, guarantee traffic safety.
Referring to Fig. 2-4, the working procedure of this automobile clutch master cylinder assembly is as follows:
See Fig. 2,4, during let slip the clutch, push rod 31 promotes piston 32 and moves to left, sealing mandrel 35 and piston 32 are in the relative movement of column inner hole place, produced axial air gap, thereby under the effect of Packing spring 39, sealing mandrel 35 by hydraulic pressure to the sealing surface of the balance/compensate opening 38 of the pump housing 21, thereby the oil in accumulator 36 can not enter in the oil pocket of the pump housing 21.And under push rod 31 effect of moving to left, the oil pressure in oil pocket rises, high pressure oil extrudes from high pressure oil outlet 40, by oil pipe, transfers to clutch slave cylinder.
When release the clutch pedal 31, the piston 32 of master cylinder is moved to right under return spring 34 effects fast, Bing Dai moving mandrel 35 to Fig. 3 shows position: seal ring 37 leaves the sealing surface of balance/compensate opening 38, now accumulator 36 communicates with the oil pocket of the pump housing 21, working oil chamber earth pressure release or deficiency are opened wheel cylinder and are able to fluid compensation, guarantee reliable operation next time.
It should be pointed out that foregoing is enumerating of preferred forms of the present utility model, the part of wherein not describing in detail to the greatest extent, is construed as with the general fashion of the art and is implemented.Meanwhile, for one of ordinary skill in the art, equivalent transformation and the modification within not departing from spiritual category of the present utility model, the utility model done, all by within falling into the protection domain of claim of the present utility model.
Claims (2)
1. an automobile clutch master cylinder assembly, it is characterized in that: this automobile clutch master cylinder assembly is mainly by the pump housing (21), push rod (31), piston (32), oil sealing (33), return spring (34), sealing mandrel (35), accumulator (36), seal ring (37), balance/compensate opening (38), Packing spring (39), high pressure oil outlet (40) forms, its middle pump body (21) is for sealing the tubular of an end opening in one end, the pump housing (21) inside is provided with return spring (34) and piston (32) from inside to outside successively, piston (32) is provided with spring bracing and oil sealing (33) from inside to outside successively near a side of the inner chamber of the pump housing (21), piston (32) is provided with column inner hole near the inside of a side of the inner chamber of the pump housing (21), the opposite side of piston (32) is connected with the push rod (31) of clutch pedal, one end of sealing mandrel (35) is slidably arranged in the column inner hole of piston (32) through after the endoporus of spring bracing, the other end of sealing mandrel (35) is a block seat, block seat is provided with seal ring (37) near a side of the pump housing (21) closed end, the opposite side of block seat is provided with a spring spool, between block seat and spring spool inner side, is set with Packing spring (39), one end of return spring (34) is sleeved on the outside of spring spool, and the other end is sleeved on spring bracing, the below of the pump housing (21) sealing one end is provided with high pressure oil outlet (40), the top of the pump housing (21) sealing one end is provided with accumulator (36), the pump housing (21) sealing one end be axially provided with balance/compensate opening (38), balance/compensate opening (38) is communicated with the oil outlet of accumulator (36).
2. automobile clutch master cylinder assembly as claimed in claim 1, is characterized in that: seal ring (37) is O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304849.3U CN203926498U (en) | 2014-06-10 | 2014-06-10 | A kind of automobile clutch master cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304849.3U CN203926498U (en) | 2014-06-10 | 2014-06-10 | A kind of automobile clutch master cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926498U true CN203926498U (en) | 2014-11-05 |
Family
ID=51822312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304849.3U Expired - Fee Related CN203926498U (en) | 2014-06-10 | 2014-06-10 | A kind of automobile clutch master cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505887A (en) * | 2018-12-07 | 2019-03-22 | 上海上汽马瑞利动力总成有限公司 | A kind of anti-leak piston formula clutch |
-
2014
- 2014-06-10 CN CN201420304849.3U patent/CN203926498U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505887A (en) * | 2018-12-07 | 2019-03-22 | 上海上汽马瑞利动力总成有限公司 | A kind of anti-leak piston formula clutch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111043185B (en) | Integrated low-delay intermediate shaft brake | |
| CN103352929B (en) | Single-cylinder built-in overload protection shaft | |
| CN105526278A (en) | Dual piston actuator | |
| CN105270378B (en) | Service brake force aid system | |
| CN109899511A (en) | Hydraulic control system with limping function and the automatic gear-box using it | |
| CN103303282B (en) | Motor vehicle braking system | |
| CN203926498U (en) | A kind of automobile clutch master cylinder assembly | |
| CN107472014A (en) | Automobile accelerator mistake-stepping prevention device | |
| CN204592084U (en) | A kind of plunger type clutch general pump with sliding sleeve | |
| CN101813142B (en) | Pneumatic control device for heavy automobile clutch | |
| CN102616218B (en) | A kind of Vehicular brake device being suitable for hill path | |
| CN201615152U (en) | Center valve type clutch master cylinder assembly | |
| CN203651807U (en) | Spring braking totally-closed wet-type parking brake | |
| US2190228A (en) | Fluid pressure system | |
| CN105715704B (en) | Fluid damping formula brakes | |
| CN202243003U (en) | Forcible brake device for automobile under condition of treading accelerator pedal by mistake | |
| CN203655948U (en) | Clutch for plug-in hybrid electric vehicle | |
| CN103303286B (en) | A kind of brake device for car | |
| CN202971667U (en) | Clutch main cylinder | |
| CN102537300B (en) | Simple fixed-shaft type transmission assembly for loader | |
| CN202418476U (en) | Novel built-in differential lock | |
| CN203130852U (en) | Clutch master cylinder assembly | |
| CN201907494U (en) | Hydraulic load sensing valve device capable of being safely controlled | |
| CN201371797Y (en) | Theft-proof control device of automobile main brake | |
| CN203404306U (en) | Sliding ring separation leakage prevention structure of shaft output containing cavity of shock absorber piston rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170801 Address after: 315700, No. 22, Jade Road, Chengdong Industrial Zone, Xiangshan County, Zhejiang, Ningbo Patentee after: Ningbo Chengwei Hydraulic Technology Co. Ltd. Address before: 315700 Zhejiang city of Ningbo province Xiangshan County dancy Street West Road No. 306 Patentee before: XIANGSHAN SHENGYUN AUTO PARTS CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |