CN105782275A - Clutch main cylinder assembly - Google Patents
Clutch main cylinder assembly Download PDFInfo
- Publication number
- CN105782275A CN105782275A CN201610213841.XA CN201610213841A CN105782275A CN 105782275 A CN105782275 A CN 105782275A CN 201610213841 A CN201610213841 A CN 201610213841A CN 105782275 A CN105782275 A CN 105782275A
- Authority
- CN
- China
- Prior art keywords
- oil outlet
- oil
- push rod
- cylinder body
- piston
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/14—Fluid pressure control
Abstract
The invention discloses a clutch main cylinder assembly. The clutch main cylinder assembly comprises a cylinder body, a piston assembly, an oil outlet, a rubber hose and an oil inlet joint. The piston assembly is arranged inside the cylinder body and is in sliding connection with the cylinder body. An oil outlet through hole is formed in one side of a brake chamber and connected with the oil outlet, wherein an oil outlet sealing ring and an oil outlet sealing loop are arranged in the oil outlet. An oil inlet is formed above the cylinder body and communicates with a liquid supplying chamber. The oil inlet is fixedly connected with the oil inlet joint through the rubber hose. An aluminum piston is fixed to one end of a push rod, and a push rod seat is fixed to the other end of the push rod. A groove is formed in the side, far away from the push rod, of the aluminum piston. When a clutch main cylinder works, the push rod pushes the piston to move forward, so that the groove in the aluminum piston passes through a front leather ring, high pressure is formed, and pressure oil is output through the oil outlet; and when the clutch main cylinder does not work, the piston returns rapidly, so that the groove in the aluminum piston communicates with the oil inlet, the high pressure oil flows back into the liquid supplying chamber, and oil-liquid compensation is achieved.
Description
Technical field
The present invention relates to automobile clutch field, particularly to a kind of clutch master cylinder assembly.
Background technology
The clutch of automobile, is used for separating or transmitting in conjunction with the power between electromotor and variator, is the assembly being directly connected with electromotor in car transmissions.Wherein, clutch operating device is critical component, originates in clutch pedal, terminates at separation lever, and its important performance is to make clutch separation again so as to a set of mechanism of soft combination.In car, the application form of clutch operating device has machinery, hydraulic pressure and air pressure assisted three kinds.It is wherein maximum with fluid pressure type operating mechanism.
Application number is the Chinese patent application file of 201520002431.1, discloses a kind of novel clutch master cylinder assembly.Pressure cavity wall of building near brake chamber place is provided with hierarchic structure, and piston nose side has cannelure, built with primary cup；Piston nose center has blind hole, and blind via bottom is communicated with outside brake chamber by the passage of both sides, and piston nose is equipped with valve gap and sealing ring, and sealing ring is fixed in the blind hole at piston nose center by valve gap；Piston bush is in limit base, and limit base is sleeved in brake chamber, and piston rear end has the shoulder hole being divided into three sections, the stage casing diameter of the shoulder hole diameter more than inside and outside section, in, inner segment equipped with piston seat, push rod two ends are connected in piston seat and ram seat；Limit base front end and build pressure chamber between port leather cup and spacing pad are installed.The advantage that present invention incorporates center valve type master cylinder and plunger-type structure, realizes the idle stroke of master cylinder by the shoulder hole of front rigid body inner circular degree of slipping over；Having Stability Analysis of Structures, repairing is unimpeded, the advantage that efficiency is high, and this kind of structure adopts conventional clutch master cylinder arrangement, and needs processingCompensate hole, be used for realizing fluid and compensate so that technique is more complicated.
Application number is the Chinese patent application file of 201510000307.6, disclose a kind of modified model clutch master cylinder assembly, relate to auto parts and components field, including cylinder body, end-connector, brake chamber and piston assembly, described brake chamber is provided with clamp and boring cover, this kind of modified model clutch master cylinder assembly, by one-body molded by adopting between brake chamber and cylinder body, substantially increase the intensity of master cylinder assembly, and good airproof performance, do not have oil leakage phenomenon, also reduce manufacture difficulty simultaneously, by being respectively equipped with compensation hole and fuel feed hole on outside piston and cylinder body, without processing ￠ 0.7 aperture, realize fluid to compensate, also reduce the complexity of whole cylinder body simultaneously.But this application file can not carry out fluid fast and effectively compensate, and the manufacturing of piston assembly need therebetween be processed through multiple different processing method, complex process, difficult quality guarantee.
Summary of the invention
The technical problem to be solved is to provide a kind of clutch master cylinder assembly, to solve the above-mentioned employing conventional clutch master cylinder arrangement caused in prior art, and needs processingCompensate hole, be used for realizing fluid and compensate so that technique is more complicated, and needs therebetween in the manufacturing of piston assembly to be processed through multiple different processing method, complex process, the defect of difficult quality guarantee.
nullFor achieving the above object，The present invention provides following technical scheme: a kind of clutch master cylinder assembly，Including cylinder body、Piston assembly、Oil outlet、Rubber hose and fuel inlet fitting，The inside of cylinder body is located in described piston assembly，Piston assembly and cylinder body are slidably connected，Inside cylinder body, the side away from piston assembly is provided with brake chamber，The side of brake chamber is provided with out oil hole，Go out oil hole to be connected with oil outlet，Wherein it is provided with fuel-displaced sealing ring and fuel-displaced sealing ring in oil outlet，Cylinder body be arranged over fuel feed hole，Cylinder interior is provided with mean for sap cavity near fuel feed hole place，Fuel feed hole connects with for sap cavity，And fuel feed hole is connected by rubber hose and fuel inlet fitting are fixing，Wherein piston assembly includes aluminium recovery、Spacing collar、Push rod and ram seat，Wherein aluminium recovery and ram seat are individually fixed in the two ends of push rod，Spacing collar is located at the junction of aluminium recovery and push rod，And aluminium recovery is provided with groove away from the side of push rod.
Preferably, the described rear side for sap cavity is provided with back belt, and the inner side of back belt is provided with limit base, and the front side for sap cavity is provided with front apron, and the inner side of front apron is provided with limiting gasket.
Preferably, described oil outlet is provided with steel ball with the end of the junction of brake chamber.
Preferably, the outer sheath of described fuel inlet fitting is connected to oil-in sealing ring chock plug.
Preferably, the end of described oil outlet is provided with chock plug, and chock plug and brake chamber socket-connect, and the end of chock plug is provided with clamp.
Preferably, the outside of described oil outlet is provided with pad and rubber washer, and the front side of rubber washer is located at by pad, and pad and rubber washer are all fixed with oil outlet and be connected.
Preferably, described groove is of a size of 6-R0.5.
Above technical scheme is adopted to provide the benefit that: the present invention is when clutch master cylinder works, and push rod promotes piston advances forward, makes the groove being of a size of 6-R0.5 on aluminium recovery cross front apron, sets up high pressure, and pressure oil is exported by oil outlet；When clutch master cylinder inoperative, piston is rapidly returned to, and makes the groove being of a size of 6-R0.5 on aluminium recovery communicate with fuel feed hole, makes hydraulic oil flow back to brake chamber, it is achieved fluid compensates.
1, the production technology of described cylinder body adopts aluminum extrusion process, and the surface of cylinder body is carried out anodic oxidation processing, substantially increases the intensity of master cylinder assembly, significantly increases the service life of master cylinder assembly and voltage endurance capability.
2, the employing of described back belt, limit base, front apron, limiting gasket, sealing ring chock plug and fuel-displaced sealing ring etc. and good airproof performance, do not have oil leakage phenomenon, also reduce manufacture difficulty simultaneously, be effectively guaranteed the sealing of whole device, it is to avoid the leakage of hydraulic oil.
3, by arranging oil outlet and fuel feed hole on master cylinder, realize hydraulic oil to match with the movement of piston, the groove being of a size of 6-R0.5 on aluminium recovery is utilized to communicate with fuel feed hole, hydraulic oil is made to flow back to brake chamber, realize fluid to compensate, without processing ￠ 0.7 aperture, it is achieved fluid compensates, and also reduces the complexity of whole cylinder body simultaneously.
4, traditional piston assembly is to be formed by push rod riveted by two stamping parts, production technology is: first need therebetween to be processed through multiple different processing method by proceeding to after push rod and piston riveted in the manufacturing of pushing rod sleeve thermoplastic shaping and piston assembly again, complex process, difficult quality guarantee, change to now aluminum piston, and adopt the rubber spacing collar of push rod to carry out spacing so that the processing step of whole piston assembly greatly reduces, save processing cost, and quality ensure that.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is the sectional view of Section A-A in the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the half sectional view of piston assembly in the present invention；
Wherein, 1-cylinder body, 2-piston assembly, 3-limit base, 4-back belt, 5-limiting gasket, apron, 7-steel ball, 8-pad, 9-rubber washer, 10-oil outlet sealing ring, 11-oil outlet sealing ring, 12-chock plug, 13-fuel inlet fitting, 14-oil-in sealing ring chock plug, 15-rubber hose, 16-clamp, 17-oil outlet, 18-fuel feed hole, 19-brake chamber, 20-go out oil hole for sap cavity, 21-aluminium recovery, 22-spacing collar, 23-push rod, 24-ram seat, 25-groove, 26-before 6-.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 to Fig. 4 shows the specific embodiment of the present invention:
nullA kind of clutch master cylinder assembly，Including cylinder body 1、Piston assembly 2、Rubber hose 15 and fuel inlet fitting 13，The inside of cylinder body 1 is located in described piston assembly 2，Piston assembly 2 and cylinder body 1 are slidably connected，It is provided with brake chamber 19 away from the side of piston assembly 2 inside cylinder body 1，The side of brake chamber 19 is provided with out oil hole 26，Go out oil hole 26 to be connected with oil outlet 17，Wherein it is provided with fuel-displaced sealing ring 10 and fuel-displaced sealing ring 11 in oil outlet 17，Cylinder body 1 be arranged over fuel feed hole 18，Cylinder body 1 is internal is provided with mean for sap cavity 20 near fuel feed hole 18 place，Fuel feed hole 18 connects with for sap cavity 20，And fuel feed hole 18 is connected by rubber hose 15 is fixing with fuel inlet fitting 13，Wherein piston assembly 2 includes aluminium recovery 21、Spacing collar 22、Push rod 23 and ram seat 24，Wherein aluminium recovery 21 and ram seat 24 are individually fixed in the two ends of push rod 23，Spacing collar 22 is located at aluminium recovery 21 and the junction of push rod 23，And aluminium recovery 21 is provided with groove 25 away from the side of push rod 23.
The present invention is when clutch master cylinder works, and push rod 23 promotes aluminium recovery 21 to travel forward, apron 6 before making the groove 25 being of a size of 6-R0.5 on aluminium recovery 21 cross, and sets up high pressure, and pressure oil is exported by oil outlet 17；When clutch master cylinder inoperative, aluminium recovery 21 is rapidly returned to, and makes the groove 25 being of a size of 6-R0.5 on aluminium recovery 21 communicate with fuel feed hole 18, makes hydraulic oil flow back to brake chamber, it is achieved fluid compensates.
In the present invention, the described rear side for sap cavity 20 is provided with back belt 4, and the inner side of back belt 4 is provided with limit base 3, and the front side for sap cavity 20 is provided with front apron 6, the inner side of front apron 6 is provided with limiting gasket 5, and the outer sheath of described fuel inlet fitting 13 is connected to oil-in sealing ring chock plug 14.The employing of described back belt 4, limit base 3, front apron 6, limiting gasket 5, sealing ring chock plug 12 and fuel-displaced sealing ring etc. and good airproof performance, do not have oil leakage phenomenon, also reduce manufacture difficulty simultaneously, be effectively guaranteed the sealing of whole device, it is to avoid the leakage of hydraulic oil.
In the present invention, the end of the junction of described oil outlet 17 and brake chamber is provided with steel ball 7, and the end of described oil outlet 17 is provided with chock plug 12, and chock plug 12 and brake chamber socket-connect, and the end of chock plug 12 is provided with clamp 16, it is possible to be easy to be attached with oil pipe.
In the present invention; the outside of described oil outlet 17 is provided with pad 8 and rubber washer 9; the front side of rubber washer 9 is located at by pad 8; and pad 8 and rubber washer 9 are all fixing with oil outlet 17 is connected; the outside of oil outlet 17 can be protected; avoid being damaged when being subject to weight, the extraordinary cushioning effect that rubber washer 9 plays.
In the present invention, described groove 25 is of a size of 6-R0.5, utilizes the groove 25 being of a size of 6-R0.5 on aluminium recovery to communicate with fuel feed hole 18, hydraulic oil is made to flow back to brake chamber 19, it is achieved fluid compensates, it is not necessary to processing ￠ 0.7 aperture, realize fluid to compensate, also reduce the complexity of whole cylinder body 1 simultaneously.
Above technical scheme is adopted to provide the benefit that:
1, the production technology of described cylinder body 1 adopts aluminum extrusion process, and the surface of cylinder body 1 is carried out anodic oxidation processing, substantially increases the intensity of master cylinder assembly, significantly increases the service life of master cylinder assembly and voltage endurance capability.
2, the employing of described back belt 4, limit base 3, front apron 6, limiting gasket 5, sealing ring chock plug 12 and fuel-displaced sealing ring etc. and good airproof performance, do not have oil leakage phenomenon, also reduce manufacture difficulty simultaneously, be effectively guaranteed the sealing of whole device, it is to avoid the leakage of hydraulic oil.
3, by arranging oil outlet 17 and fuel feed hole 18 on master cylinder, realize hydraulic oil to match with the movement of piston, the groove 25 being of a size of 6-R0.5 on aluminium recovery is utilized to communicate with fuel feed hole 18, hydraulic oil is made to flow back to brake chamber 19, realize fluid to compensate, without processing ￠ 0.7 aperture, it is achieved fluid compensates, and also reduces the complexity of whole cylinder body 1 simultaneously.
4, traditional piston assembly 2 is to be formed by push rod 23 riveted by two stamping parts, production technology is: first need therebetween to be processed through multiple different processing method by proceeding to push rod 23 after push rod 23 and piston riveted again and overlap in the manufacturing of thermoplastic shaping and piston assembly 2, complex process, difficult quality guarantee, change to now aluminum piston, and adopt the rubber spacing collar 22 of push rod 23 to carry out spacing, the processing step making whole piston assembly 2 greatly reduces, save processing cost, and quality ensure that.
Above-described is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (7)
- null1. a clutch master cylinder assembly，Including cylinder body、Piston assembly、Oil outlet、Rubber hose and fuel inlet fitting，It is characterized in that，The inside of cylinder body is located in described piston assembly，Piston assembly and cylinder body are slidably connected，Inside cylinder body, the side away from piston assembly is provided with brake chamber，The side of brake chamber is provided with out oil hole，Go out oil hole to be connected with oil outlet，Wherein it is provided with fuel-displaced sealing ring and fuel-displaced sealing ring in oil outlet，Cylinder body be arranged over fuel feed hole，Cylinder interior is provided with mean for sap cavity near fuel feed hole place，Fuel feed hole connects with for sap cavity，And fuel feed hole is connected by rubber hose and fuel inlet fitting are fixing，Wherein piston assembly includes aluminium recovery、Spacing collar、Push rod and ram seat，Wherein aluminium recovery and ram seat are individually fixed in the two ends of push rod，Spacing collar is located at the junction of aluminium recovery and push rod，And aluminium recovery is provided with groove away from the side of push rod.
- 2. a kind of clutch master cylinder assembly according to claim 1, it is characterised in that the described rear side for sap cavity is provided with back belt, and the inner side of back belt is provided with limit base, and the front side for sap cavity is provided with front apron, and the inner side of front apron is provided with limiting gasket.
- 3. a kind of clutch master cylinder assembly according to claim 1, it is characterised in that the end of the junction of described oil outlet and brake chamber is provided with steel ball.
- 4. a kind of clutch master cylinder assembly according to claim 1, it is characterised in that the outer sheath of described fuel inlet fitting is connected to oil-in sealing ring chock plug.
- 5. a kind of clutch master cylinder assembly according to claim 1, it is characterised in that the end of described oil outlet is provided with chock plug, and chock plug and brake chamber socket-connect, and the end of chock plug is provided with clamp.
- 6. a kind of clutch master cylinder assembly according to claim 1, it is characterised in that the outside of described oil outlet is provided with pad and rubber washer, the front side of rubber washer is located at by pad, and pad and rubber washer are all fixed with oil outlet and be connected.
- 7. a kind of clutch master cylinder assembly according to claim 1, it is characterised in that described groove is of a size of 6-R0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213841.XA CN105782275A (en) | 2016-04-07 | 2016-04-07 | Clutch main cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213841.XA CN105782275A (en) | 2016-04-07 | 2016-04-07 | Clutch main cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105782275A true CN105782275A (en) | 2016-07-20 |
Family
ID=56395021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610213841.XA Pending CN105782275A (en) | 2016-04-07 | 2016-04-07 | Clutch main cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782275A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022520A (en) * | 2018-10-10 | 2020-04-17 | 麦格纳汽车系统(常州)有限公司 | Clutch housing |
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| CN202040231U (en) * | 2011-05-16 | 2011-11-16 | 东风汽车股份有限公司 | Automobile clutch hydraulic master cylinder |
| CN102400978A (en) * | 2011-11-10 | 2012-04-04 | 江苏武进液压启闭机有限公司 | Coal mine machinery hydraulic oil tank with stroke detecting device |
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| CN103671632A (en) * | 2013-12-23 | 2014-03-26 | 浙江亚太机电股份有限公司 | Clutch master cylinder assembly integrated with programmable sensor |
| CN203685928U (en) * | 2014-01-09 | 2014-07-02 | 浙江亚太机电股份有限公司 | Clutch master cylinder piston assembly for containing magnet |
| CN204458914U (en) * | 2014-12-30 | 2015-07-08 | 浙江科力车辆控制系统有限公司 | A kind of clutch master cylinder with integrated displacement sensor |
| CN205654734U (en) * | 2016-04-07 | 2016-10-19 | 芜湖聚达汽车零部件有限公司 | Clutch master cylinder assembly |
-
2016
- 2016-04-07 CN CN201610213841.XA patent/CN105782275A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201121621Y (en) * | 2007-11-06 | 2008-09-24 | 江苏武进液压启闭机有限公司 | Hydraulic cylinder with built-in travel range testing apparatus |
| DE102008057107A1 (en) * | 2007-11-19 | 2009-05-20 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Position measuring system for clutch disengaging system in motor vehicle, has fastening element comprising plugging region gripped by through-hole formed in magnet and pluggable into mounting hole |
| CN202040231U (en) * | 2011-05-16 | 2011-11-16 | 东风汽车股份有限公司 | Automobile clutch hydraulic master cylinder |
| CN102400978A (en) * | 2011-11-10 | 2012-04-04 | 江苏武进液压启闭机有限公司 | Coal mine machinery hydraulic oil tank with stroke detecting device |
| CN203412989U (en) * | 2013-06-26 | 2014-01-29 | 上海航天汽车机电股份有限公司汽车机电分公司 | Plastic hydraulic cylinder of automobile clutch |
| CN103671632A (en) * | 2013-12-23 | 2014-03-26 | 浙江亚太机电股份有限公司 | Clutch master cylinder assembly integrated with programmable sensor |
| CN203685928U (en) * | 2014-01-09 | 2014-07-02 | 浙江亚太机电股份有限公司 | Clutch master cylinder piston assembly for containing magnet |
| CN204458914U (en) * | 2014-12-30 | 2015-07-08 | 浙江科力车辆控制系统有限公司 | A kind of clutch master cylinder with integrated displacement sensor |
| CN205654734U (en) * | 2016-04-07 | 2016-10-19 | 芜湖聚达汽车零部件有限公司 | Clutch master cylinder assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022520A (en) * | 2018-10-10 | 2020-04-17 | 麦格纳汽车系统(常州)有限公司 | Clutch housing |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |