CN202349045U - Brake master cylinder with oil cup, operating lever assembly and center valve - Google Patents
Brake master cylinder with oil cup, operating lever assembly and center valve Download PDFInfo
- Publication number
- CN202349045U CN202349045U CN2011204158887U CN201120415888U CN202349045U CN 202349045 U CN202349045 U CN 202349045U CN 2011204158887 U CN2011204158887 U CN 2011204158887U CN 201120415888 U CN201120415888 U CN 201120415888U CN 202349045 U CN202349045 U CN 202349045U
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- Prior art keywords
- oil
- cylinder body
- valve
- left end
- assembly
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- Expired - Fee Related
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Abstract
The utility model discloses a brake master cylinder with an oil cup, an operating lever assembly and a center valve, which comprises a cylinder block. The right end of the cylinder block is provided with a protective cover; the middle part of the cylinder block is provided with an oil chamber; the right end of the oil chamber is provided with a piston assembly; the right end of the piston assembly is provided with an operating lever; the left end of the piston assembly is provided with a valve core; a valve spring and a valve leather ring are sheathed outside the valve core; the left end of the valve core is provided with a spring seat; the left end of the spring seat is provided with a spring; the left end of the spring is abutted with the inner wall of the cylinder block; the cylinder block at the upper end of the valve core is provided with an oil inlet; the upper end of the oil inlet is provided with an oil storage cup assembly; the side edge of the cylinder block is provided with a delivery connector; a dust-proof plug is arranged outside the delivery connector; and the oil inlet and the delivery connector are respectively connected to the oil chamber through oil ducts. According to the brake master cylinder with the oil cup, the operating lever assembly and the center valve, through installing the oil storage cup on the cylinder block and installing the structure of the operating lever assembly outside a piston, the phenomenon that dust and solid impurities easily enter into the cylinder block along with braking oil to rub with the piston and the valve can be effectively prevented, and thereby, the service life of a whole product is prolonged.
Description
Technical field:
The utility model relates to the auto parts and components field, relates in particular to a kind of brake master cylinder with centre valve with lubricating cup and operating stem assembly.
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 the total accepted way of doing sth of single piston assembly and double-piston usually; Brake master cylinder structure in the past, its filler opening is directly connected to Oil container, and dust and solid impurity are easy to piston and valve friction, cause damage along with braking gets into cylinder interior with oil.Therefore imagination provides a kind of equipment to solve this problem.
The model utility content:
The purpose of the utility model just provides a kind of brake master cylinder with centre valve with lubricating cup and operating stem assembly; Solve brake master cylinder structure in the past; Its filler opening is directly connected to Oil container; Dust and solid impurity are easy to piston and valve friction, cause damage along with braking gets into cylinder interior with oil.Technical problem.
The technological scheme that the utility model adopts is:
A kind of brake master cylinder with centre valve with lubricating cup and operating stem assembly, comprise cylinder body: the cylinder body right-hand member is equipped with protective housing; 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 arc back-up ring, and arc back-up ring left end is equipped with piston assembly; The piston assembly right-hand member is equipped with operating handle; Operating handle passes circlip for hole and arc back-up ring and stretches out outside the cylinder body, and the operating handle middle part is equipped with hexagon nut, and the hexagon nut right-hand member is equipped with the manipulation pike pole; The piston assembly right-hand member is set with apron outward, and the piston assembly left end is equipped with spool, and spool is set with valve spring and valve leather circle outward, and the spool left end is equipped with spring seat, and the spring seat left end is equipped with spring, and the spring left end leans on inboard wall of cylinder block; The cylinder body of spool upper end is provided with filler opening, and the filler opening upper end is equipped with the oil storage cup assembly, and the oil storage cup assembly is equipped with two wire type hoops outward, and oil storage cup assembly and cylinder body contacting point are installed with the O RunddichtringO; In the cylinder body of filler opening lower end stop screw is installed; The cylinder body side is provided with delivery connection, and delivery connection is equipped with dust plug outward.
Said filler opening and delivery connection all are connected to the grease chamber through oil duct.
Compared with prior art, the beneficial effect of the utility model is:
The utility model is through being provided with oil storage cup on cylinder body; And outside piston the structure of fitting operation bar assembly; Can prevent effectively that dust and solid impurity are easy to piston and valve friction, promote the product whole service life along with braking gets into cylinder interior with oil.
Description of drawings:
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is the utility model side sectional view.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is done further explain through embodiment:
A kind of brake master cylinder with centre valve with lubricating cup and operating stem assembly comprises cylinder body 1: cylinder body 1 right-hand member is equipped with protective housing 16; Cylinder body 1 middle part has the grease chamber; Grease chamber's right-hand member is equipped with circlip for hole 15, and circlip for hole 15 left ends are equipped with arc back-up ring 14, and arc back-up ring 14 left ends are equipped with piston assembly 12; Piston assembly 12 right-hand members are equipped with operating handle 17; Operating handle 17 passes circlip for hole 15 and arc back-up ring 14 and stretches out outside the cylinder body 1, and operating handle 17 middle parts are equipped with hexagon nut 18, and hexagon nut 18 right-hand members are equipped with handles pike pole 19; Piston assembly 12 right-hand members are set with apron 13 outward, and piston assembly 12 left ends are equipped with spool 6, spool 6 outer valve spring 4 and the valve leather circles 5 of being set with, and spool 6 left ends are equipped with spring seat 3, and spring seat 3 left ends are equipped with spring 2, and spring 2 left ends lean on cylinder body 1 inwall; The cylinder body 1 of spool 6 upper ends is provided with filler opening, and the filler opening upper end is equipped with oil storage cup assembly 9, the oil storage cup assembly 9 outer pair wire type hoops 7 that are equipped with, and oil storage cup assembly 9 is installed with O RunddichtringO 8 with cylinder body 1 contacting point; Stop screw 10 is installed in the cylinder body of filler opening lower end; Cylinder body 1 side is provided with delivery connection, and delivery connection is equipped with dust plug 20 outward.Said filler opening and delivery connection all are connected to the grease chamber through oil duct.
The foregoing description is merely the preferred implementation of the utility model, and in addition, the utility model can also have other implementations.Need to prove that under the prerequisite that does not break away from the utility model design, any conspicuous improvement and modification all should fall within the protection domain of the utility model.
Claims (2)
1. the brake master cylinder with centre valve with lubricating cup and operating stem assembly comprises cylinder body, and it is characterized in that: the cylinder body right-hand member is equipped with protective housing; 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 arc back-up ring, and arc back-up ring left end is equipped with piston assembly; The piston assembly right-hand member is equipped with operating handle; Operating handle passes circlip for hole and arc back-up ring and stretches out outside the cylinder body, and the operating handle middle part is equipped with hexagon nut, and the hexagon nut right-hand member is equipped with the manipulation pike pole; The piston assembly right-hand member is set with apron outward, and the piston assembly left end is equipped with spool, and spool is set with valve spring and valve leather circle outward, and the spool left end is equipped with spring seat, and the spring seat left end is equipped with spring, and the spring left end leans on inboard wall of cylinder block; The cylinder body of spool upper end is provided with filler opening, and the filler opening upper end is equipped with the oil storage cup assembly, and the oil storage cup assembly is equipped with two wire type hoops outward, and oil storage cup assembly and cylinder body contacting point are installed with the O RunddichtringO; In the cylinder body of filler opening lower end stop screw is installed; The cylinder body side is provided with delivery connection, and delivery connection is equipped with dust plug outward.
2. the brake master cylinder with centre valve with lubricating cup and operating stem assembly according to claim 1, it is characterized in that: said filler opening and delivery connection all are connected to the grease chamber through oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204158887U CN202349045U (en) | 2011-10-27 | 2011-10-27 | Brake master cylinder with oil cup, operating lever assembly and center valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204158887U CN202349045U (en) | 2011-10-27 | 2011-10-27 | Brake master cylinder with oil cup, operating lever assembly and center valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349045U true CN202349045U (en) | 2012-07-25 |
Family
ID=46538052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204158887U Expired - Fee Related CN202349045U (en) | 2011-10-27 | 2011-10-27 | Brake master cylinder with oil cup, operating lever assembly and center valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506103A (en) * | 2011-10-27 | 2012-06-20 | 芜湖众发汽车制动系统有限公司 | Braking main cylinder provided with oil cup assembly, operating rod assembly and center valve |
-
2011
- 2011-10-27 CN CN2011204158887U patent/CN202349045U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506103A (en) * | 2011-10-27 | 2012-06-20 | 芜湖众发汽车制动系统有限公司 | Braking main cylinder provided with oil cup assembly, operating rod assembly and center valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121027 |