CN102418758A - Dual-piston brake master cylinder with rear cavity oil storage cup and residual valves - Google Patents
Dual-piston brake master cylinder with rear cavity oil storage cup and residual valves Download PDFInfo
- Publication number
- CN102418758A CN102418758A CN2011102872858A CN201110287285A CN102418758A CN 102418758 A CN102418758 A CN 102418758A CN 2011102872858 A CN2011102872858 A CN 2011102872858A CN 201110287285 A CN201110287285 A CN 201110287285A CN 102418758 A CN102418758 A CN 102418758A
- Authority
- CN
- China
- Prior art keywords
- piston assembly
- cylinder body
- storage cup
- oil storage
- left end
- 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
Links
Images
Abstract
The invention discloses a dual-piston brake master cylinder with a rear cavity oil storage cup and residual valves, and the dual-piston brake master cylinder comprises a cylinder body, wherein an oil chamber is arranged at the middle part of the cylinder body, a rear piston assembly is arranged at the right end of the oil chamber, a rear spring is arranged at the left end of the rear piston assembly, a front piston assembly is arranged at the left end of the rear spring, a front spring is arranged at the left end of the front piston assembly, and the front spring props against the left end of the cylinder body; oil inlet joints are arranged at the upper end of the cylinder body corresponding to the front piston assembly and the rear piston assembly respectively, and the rear cavity oil storage cup is mounted outside the oil inlet joint of the rear piston assembly; a stop screw is mounted on the cylinder body at the lower end of the front piston assembly; oil outlet joints are arranged at the lower end of the cylinder body corresponding to the front piston assembly and the rear piston assembly respectively, the residual valves are mounted in the oil outlet joints, and residual valve springs are mounted at the upper ends of the residual valves; and a bleed screw is arranged on the side edge of the cylinder body; and a bleed screw cap is mounted outside the bleed screw. The rear cavity oil storage cup is directly mounted outside a rear oil inlet port at the top of the cylinder body and collar clamp structures are mounted outside the rear cavity oil storage cup, thereby effectively preventing liquid leakage caused by long-term use and prolonging the service life of the whole product.
Description
Technical field:
The present invention relates to the auto parts and components field, relate in particular to a kind of double-piston brake master cylinder with residual valve with back cavity oil storage cup.
Background technique:
Brake master cylinder band vacuum booster assembly is that power source as braking system exists basically, and it is that brake pedal force with the driver is converted into hydraulic coupling, and has certain power-assisted effect, is divided into single piston and double piston type usually; Brake master cylinder structure in the past is the Fuel Tanking Unit that is connected to peripheral hardware through fuel inlet fitting mostly, and long-term use has the danger of leakage, and long-term the use, and external Fuel Tanking Unit is easy to generate and rocks, and influences oil circuit and connects.Therefore imagination provides a kind of equipment to solve this problem.
Summary of the invention:
The object of the invention just provides a kind of double-piston brake master cylinder with residual valve with back cavity oil storage cup; Solve brake master cylinder structure in the past; Be the Fuel Tanking Unit that is connected to peripheral hardware through fuel inlet fitting mostly, long-term use has the danger of leakage, and long-term the use; External Fuel Tanking Unit is easy to generate and rocks, and influences the technical problem that oil circuit connects.
The technological scheme that the present invention adopts is:
A kind of double-piston brake master cylinder with residual valve with back cavity oil storage cup comprises cylinder body: the cylinder body middle part has the grease chamber, and grease chamber's right-hand member is equipped with circlip for hole; The circlip for hole left end is equipped with the back piston assembly, and back piston assembly right-hand member is set with the secondary apron in back outward, and back piston assembly left end is set with the main apron in back outward; Back piston assembly left end is equipped with rear spring; The rear spring left end is equipped with the secondary piston assembly, secondary apron before secondary piston assembly right-hand member is set with outward, and secondary piston assembly left end is set with oil return sheet and spring seat outward; Secondary piston assembly left end is equipped with front spring, and front spring leans at the cylinder body left end; Secondary piston assembly and back piston assembly corresponding part cylinder body upper end are respectively arranged with fuel inlet fitting; The fuel inlet fitting at back piston assembly place is equipped with the back cavity oil storage cup outward; Back cavity oil storage cup and fuel inlet fitting contacting point are equipped with the O RunddichtringO, and the back cavity oil storage cup is set with two wire type hoops outward; On the cylinder body of secondary piston assembly lower end stop screw is installed, the stop screw pad is installed between stop screw and the cylinder body; Secondary piston assembly and cylinder body lower end, back piston assembly corresponding part have been respectively arranged with delivery connection; Delivery connection and cylinder body contacting point are equipped with copper backing; Residual valve is installed in the delivery connection; The residual valve upper end is equipped with the residual valve spring, and residual valve spring upper end leans on cylinder body, and the delivery connection lower end is equipped with dust plug; The cylinder body side is provided with bleed screw, and bleed screw is equipped with bleeder cap outward.
Said fuel inlet fitting and delivery connection all are connected to the grease chamber through oil duct.
Compared with prior art, beneficial effect of the present invention is:
The present invention passes through the back cavity oil storage cup directly is installed outside the filler opening behind the cylinder body top, and the structure that clip is installed outside the back cavity oil storage cup, and can effectively prevent has increased the product bulk life time because of using the leakage that causes for a long time.
Description of drawings:
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is texture edge sectional view of the present invention.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is done further explain through embodiment:
A kind of double-piston brake master cylinder with residual valve with back cavity oil storage cup; Comprise cylinder body 1: cylinder body 1 middle part has the grease chamber, and grease chamber's right-hand member is equipped with circlip for hole 21, and circlip for hole 21 left ends are equipped with back piston assembly 19; Back piston assembly 19 right-hand members are set with the secondary apron 20 in back outward; Back piston assembly 19 left ends are set with the main apron 18 in back outward, and back piston assembly 19 left ends are equipped with rear spring 17, and rear spring 17 left ends are equipped with secondary piston assembly 10; Secondary apron 16 before secondary piston assembly 10 right-hand members are set with outward; Secondary piston assembly 10 left ends are set with oil return sheet 15 and spring seat 14 outward, and secondary piston assembly 10 left ends are equipped with front spring 9, and front spring 9 leans at cylinder body 1 left end; Secondary piston assembly 10 is respectively arranged with fuel inlet fitting with back piston assembly 19 corresponding part cylinder bodies 1 upper end; The fuel inlet fitting at back piston assembly 10 places is equipped with back cavity oil storage cup 13 outward; Back cavity oil storage cup 13 is equipped with O RunddichtringO 12 with the fuel inlet fitting contacting point, the ante-chamber oil storage cup 13 outer pair wire type hoops 11 that are set with; On the secondary piston assembly 10 lower end cylinder bodies 1 stop screw 2 is installed, between stop screw 2 and the cylinder body 1 stop screw pad 3 is installed; Secondary piston assembly 10 has been respectively arranged with delivery connection 5 with back piston assembly 19 corresponding part cylinder bodies 1 lower end; Delivery connection 5 is equipped with copper backing 6 with cylinder body 1 contacting point; Residual valve 7 is installed in the delivery connection 5; Residual valve 7 upper ends are equipped with residual valve spring 8, and residual valve spring 8 upper ends lean on cylinder body 1, and delivery connection 5 lower ends are equipped with dust plug 4; Cylinder body 1 side is provided with bleed screw 22, outside the bleed screw 22 bleeder cap 23 is installed, and fuel inlet fitting and delivery connection 5 all are connected to the grease chamber through oil duct.
The foregoing description is merely preferred implementation of the present invention, and in addition, the present invention can also have other implementations.Need to prove that under the prerequisite that does not break away from the present invention's design, any conspicuous improvement and modification all should fall within protection scope of the present invention.
Claims (2)
1. the double-piston brake master cylinder with residual valve with back cavity oil storage cup comprises cylinder body, it is characterized in that: the cylinder body middle part has the grease chamber; Grease chamber's right-hand member is equipped with circlip for hole, and the circlip for hole left end is equipped with the back piston assembly, and back piston assembly right-hand member is set with the secondary apron in back outward; Back piston assembly left end is set with the main apron in back outward, and back piston assembly left end is equipped with rear spring, and the rear spring left end is equipped with the secondary piston assembly; Secondary apron before secondary piston assembly right-hand member is set with outward; Secondary piston assembly left end is set with oil return sheet and spring seat outward, and secondary piston assembly left end is equipped with front spring, and front spring leans at the cylinder body left end; Secondary piston assembly and back piston assembly corresponding part cylinder body upper end are respectively arranged with fuel inlet fitting; The fuel inlet fitting at back piston assembly place is equipped with the back cavity oil storage cup outward; Back cavity oil storage cup and fuel inlet fitting contacting point are equipped with the O RunddichtringO, and the back cavity oil storage cup is set with two wire type hoops outward; On the cylinder body of secondary piston assembly lower end stop screw is installed, the stop screw pad is installed between stop screw and the cylinder body; Secondary piston assembly and cylinder body lower end, back piston assembly corresponding part have been respectively arranged with delivery connection; Delivery connection and cylinder body contacting point are equipped with copper backing; Residual valve is installed in the delivery connection; The residual valve upper end is equipped with the residual valve spring, and residual valve spring upper end leans on cylinder body, and the delivery connection lower end is equipped with dust plug; The cylinder body side is provided with bleed screw, and bleed screw is equipped with bleeder cap outward.
2. the double-piston brake master cylinder with residual valve with back cavity oil storage cup according to claim 1, it is characterized in that: said fuel inlet fitting and delivery connection all are connected to the grease chamber through oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102872858A CN102418758A (en) | 2011-09-24 | 2011-09-24 | Dual-piston brake master cylinder with rear cavity oil storage cup and residual valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102872858A CN102418758A (en) | 2011-09-24 | 2011-09-24 | Dual-piston brake master cylinder with rear cavity oil storage cup and residual valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102418758A true CN102418758A (en) | 2012-04-18 |
Family
ID=45943328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102872858A Pending CN102418758A (en) | 2011-09-24 | 2011-09-24 | Dual-piston brake master cylinder with rear cavity oil storage cup and residual valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448705A (en) * | 2013-09-04 | 2013-12-18 | 浙江万向系统有限公司 | Brake master cylinder assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5943863A (en) * | 1997-10-31 | 1999-08-31 | Robert Bosch Technology Corporation | Center port compensation valving for a master cylinder |
| CN2620108Y (en) * | 2003-05-07 | 2004-06-09 | 陈利祥 | Double-cavity braking general pump for automobile |
| CN201486791U (en) * | 2009-05-11 | 2010-05-26 | 芜湖盛力制动有限责任公司 | Air booster pump for vehicle braking |
| CN201566606U (en) * | 2009-11-13 | 2010-09-01 | 芜湖恒坤汽车部件有限公司 | Brake master pump assembly |
| CN201923116U (en) * | 2010-12-02 | 2011-08-10 | 芜湖盛力制动有限责任公司 | Brake master pump for engineering machinery |
| CN202301629U (en) * | 2011-09-24 | 2012-07-04 | 芜湖众发汽车制动系统有限公司 | Double-piston braking master cylinder provided with back cavity oil storage cup and residual valves |
-
2011
- 2011-09-24 CN CN2011102872858A patent/CN102418758A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5943863A (en) * | 1997-10-31 | 1999-08-31 | Robert Bosch Technology Corporation | Center port compensation valving for a master cylinder |
| CN2620108Y (en) * | 2003-05-07 | 2004-06-09 | 陈利祥 | Double-cavity braking general pump for automobile |
| CN201486791U (en) * | 2009-05-11 | 2010-05-26 | 芜湖盛力制动有限责任公司 | Air booster pump for vehicle braking |
| CN201566606U (en) * | 2009-11-13 | 2010-09-01 | 芜湖恒坤汽车部件有限公司 | Brake master pump assembly |
| CN201923116U (en) * | 2010-12-02 | 2011-08-10 | 芜湖盛力制动有限责任公司 | Brake master pump for engineering machinery |
| CN202301629U (en) * | 2011-09-24 | 2012-07-04 | 芜湖众发汽车制动系统有限公司 | Double-piston braking master cylinder provided with back cavity oil storage cup and residual valves |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448705A (en) * | 2013-09-04 | 2013-12-18 | 浙江万向系统有限公司 | Brake master cylinder assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102418759A (en) | Double-piston brake master cylinder with double oil storage cups and residual valves | |
| CN202301629U (en) | Double-piston braking master cylinder provided with back cavity oil storage cup and residual valves | |
| CN102506104A (en) | Braking main cylinder provided with oil cup, fixing seat on cylinder body and center valve | |
| CN102418758A (en) | Dual-piston brake master cylinder with rear cavity oil storage cup and residual valves | |
| CN202301633U (en) | Two-piston brake main cylinder with double oil storage cups and residue valves | |
| CN202294759U (en) | Double-piston main brake cylinder with front cavity oil storage cup and residual valve | |
| CN203974792U (en) | A kind of master brake cylinder anchor fitting with stop collar | |
| CN102506103A (en) | Braking main cylinder provided with oil cup assembly, operating rod assembly and center valve | |
| CN102434608A (en) | Dual-piston brake main cylinder with oil outlet connector at lateral side and oil supplementing ring | |
| CN202301630U (en) | Brake master cylinder with double oil outlet joints and residual valve | |
| CN202301635U (en) | Double-piston braking master cylinder provided with oil outlet joints on side edge and oil supplementing ring | |
| CN202301634U (en) | Double-piston braking master cylinder with two oil outlets on side edges and oil compensation ring | |
| CN202301632U (en) | Double-piston brake master cylinder with extended oil inlet joints and oil makeup ring | |
| CN202301636U (en) | Braking chief cylinder with inclined air bleed screw on top and residual valve | |
| CN102363426A (en) | Double-piston brake master cylinder with front chamber oil storage cup and residual valves | |
| CN202431798U (en) | Double-piston brake master cylinder with oil cup fixing screw and inclined oil duct | |
| CN102363425A (en) | Double-piston brake master cylinder with dustproof covers in double oil storage cups | |
| CN202368557U (en) | Double-piston brake master cylinder with dust covers in double oil cups | |
| CN202301638U (en) | Double-piston braking main cylinder with oil supplementing ring and provided with limiting pins at oil inlets | |
| CN202294755U (en) | Brake master cylinder | |
| CN202301628U (en) | Double-piston brake master cylinder with limit pins at filler openings | |
| CN202301568U (en) | Double-piston type clutch main cylinder assembly | |
| CN102434606A (en) | Double-piston brake master cylinder provided with oil-filling ring and tow oil outlets at side edges | |
| CN202301539U (en) | Clutch main cylinder assembly with middle fixed seat between two pistons | |
| CN202371062U (en) | Brake master cylinder provided with oil cup, fixed seat on cylinder body and central valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120418 |