CN202301635U - Double-piston braking master cylinder provided with oil outlet joints on side edge and oil supplementing ring - Google Patents
Double-piston braking master cylinder provided with oil outlet joints on side edge and oil supplementing ring Download PDFInfo
- Publication number
- CN202301635U CN202301635U CN2011203619886U CN201120361988U CN202301635U CN 202301635 U CN202301635 U CN 202301635U CN 2011203619886 U CN2011203619886 U CN 2011203619886U CN 201120361988 U CN201120361988 U CN 201120361988U CN 202301635 U CN202301635 U CN 202301635U
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- CN
- China
- Prior art keywords
- cylinder body
- piston assembly
- left end
- spring
- oil
- 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
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Abstract
The utility model discloses a double-piston braking master cylinder provided with oil outlet joints on one side edge and an oil supplementing ring, and the double-piston braking master cylinder comprises a cylinder body, wherein the middle part of the cylinder body is provided with an oil chamber; a back piston assembly is mounted at the right end of the oil chamber; a back spring is mounted at the left end of the back piston assembly; a front piston assembly is mounted on the left side of the back spring; a positioning pressure piece is sleeved on the outer wall at the left end of the front piston assembly; a pressure spring is mounted at the left end of the positioning pressure piece; a spring seat is mounted at the left end of the pressure spring; a front spring is mounted at the left end of the spring seat; stop screws are respectively mounted on the cylinder body at the lower ends of the front and the back piston assemblies; stop screw gaskets are additionally mounted between the stop screws and the cylinder body; oil inlet joints are respectively arranged on the cylinder body corresponding to the upper ends of the front and the back piston assemblies; and an oil outlet joint is arranged on one side edge of the cylinder body beside each oil inlet joint. The double-piston braking master cylinder has the advantages that through arranging the oil outlet joints on the side edge of the cylinder body, the oil return efficiency can be improved, the occurrence of the phenomena of unsmooth oil return can be avoided, and thereby the service life of a product is prolonged.
Description
Technical field:
The utility model relates to the auto parts and components field, relates in particular to the double-piston brake master cylinder with repairing ring of a kind of delivery connection at side.
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, its delivery connection are to design in cylinder base, because the long-term hydraulic coupling that receives of using is bigger, receive the influence of liquid self gravitation simultaneously, the not smooth phenomenon of oil return often occurs.Therefore imagination provides a kind of equipment to solve this problem.
The model utility content:
The purpose of the utility model just provides the double-piston brake master cylinder with repairing ring of a kind of delivery connection at side; Solve brake master cylinder structure in the past; Its delivery connection is that design is in cylinder base; Because the long-term hydraulic coupling that receives of using is bigger, receives the influence of liquid self gravitation simultaneously, the technical problem of the not smooth phenomenon of oil return often occurs.
The technological scheme that the utility model adopts is:
A kind of delivery connection comprises cylinder body at the double-piston brake master cylinder with repairing ring of side: the cylinder body middle part has the grease chamber, and grease chamber's right-hand member is equipped with the back piston assembly; Be set with the secondary apron in back on the back piston assembly right-hand member outer wall, back piston assembly left end is equipped with rear spring, and the rear spring left side is equipped with the secondary piston assembly; Be set with packing ring on the secondary piston assembly right-hand member outer wall; Be set with repairing ring, D shape seal ring and location compressing tablet on the secondary piston assembly left end outer wall, location compressing tablet left end is equipped with holddown spring, and the holddown spring left end is equipped with spring seat; The spring seat left end is equipped with front spring, and the front spring left end leans on cylinder body; Be separately installed with stop screw on the cylinder body of secondary piston assembly and back piston assembly lower end, the stop screw pad also is installed between stop screw and the cylinder body; The secondary piston assembly is provided with fuel inlet fitting respectively with corresponding cylinder body place, back piston assembly upper end, and fuel inlet fitting and cylinder body contacting point are equipped with the oil-feed seal ring, and fuel inlet fitting is set with dust cap outward; The other cylinder body side of each fuel inlet fitting all has delivery connection, and delivery connection is equipped with dust plug outward.
Said fuel inlet fitting 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 can effectively improve oil return efficient through delivery connection being arranged on the cylinder body side, avoids the not smooth situation of oil return that take place the working life of having improved product.
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 delivery connection is at the double-piston brake master cylinder with repairing ring of side; Comprise cylinder body 1: cylinder body 1 middle part has the grease chamber, and grease chamber's right-hand member is equipped with back piston assembly 11, is set with the secondary apron 14 in back on the back piston assembly 11 right-hand member outer walls; Back piston assembly 11 left ends are equipped with rear spring 10; Rear spring 10 left sides are equipped with secondary piston assembly 3, are set with packing ring 9 on the secondary piston assembly 3 right-hand member outer walls, are set with repairing ring 8, D shape seal ring 7 and location compressing tablet 6 on the secondary piston assembly 3 left end outer walls; Location compressing tablet 6 left ends are equipped with holddown spring 5; Holddown spring 5 left ends are equipped with spring seat 4, and spring seat 4 left ends are equipped with front spring 2, and front spring 2 left ends lean on cylinder body 1; Be separately installed with stop screw 16 on the cylinder body 1 of secondary piston assembly 3 and back piston assembly 11 lower ends, between stop screw 16 and the cylinder body 1 stop screw pad 17 be installed also; Cylinder body 1 place that secondary piston assembly 3 is corresponding with back piston assembly 11 upper ends is provided with fuel inlet fitting respectively, and fuel inlet fitting and cylinder body contacting point are equipped with oil-feed seal ring 12, and fuel inlet fitting is set with dust cap 13 outward; The other cylinder body side of each fuel inlet fitting all has delivery connection, and delivery connection is equipped with dust plug 15 outward, and fuel inlet fitting 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. a delivery connection comprises cylinder body at the double-piston brake master cylinder with repairing ring of side, it is characterized in that: the cylinder body middle part has the grease chamber; Grease chamber's right-hand member is equipped with the back piston assembly, is set with the secondary apron in back on the back piston assembly right-hand member outer wall, and back piston assembly left end is equipped with rear spring; The rear spring left side is equipped with the secondary piston assembly, is set with packing ring on the secondary piston assembly right-hand member outer wall, is set with repairing ring, D shape seal ring and location compressing tablet on the secondary piston assembly left end outer wall; Location compressing tablet left end is equipped with holddown spring; The holddown spring left end is equipped with spring seat, and the spring seat left end is equipped with front spring, and the front spring left end leans on cylinder body; Be separately installed with stop screw on the cylinder body of secondary piston assembly and back piston assembly lower end, the stop screw pad also is installed between stop screw and the cylinder body; The secondary piston assembly is provided with fuel inlet fitting respectively with corresponding cylinder body place, back piston assembly upper end, and fuel inlet fitting and cylinder body contacting point are equipped with the oil-feed seal ring, and fuel inlet fitting is set with dust cap outward; The other cylinder body side of each fuel inlet fitting all has delivery connection, and delivery connection is equipped with dust plug outward.
2. delivery connection according to claim 1 is at the double-piston brake master cylinder with repairing ring of side, and 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 |
|---|---|---|---|
| CN2011203619886U CN202301635U (en) | 2011-09-24 | 2011-09-24 | Double-piston braking master cylinder provided with oil outlet joints on side edge and oil supplementing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203619886U CN202301635U (en) | 2011-09-24 | 2011-09-24 | Double-piston braking master cylinder provided with oil outlet joints on side edge and oil supplementing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301635U true CN202301635U (en) | 2012-07-04 |
Family
ID=46370541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203619886U Expired - Fee Related CN202301635U (en) | 2011-09-24 | 2011-09-24 | Double-piston braking master cylinder provided with oil outlet joints on side edge and oil supplementing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434608A (en) * | 2011-09-24 | 2012-05-02 | 芜湖众发汽车制动系统有限公司 | Dual-piston brake main cylinder with oil outlet connector at lateral side and oil supplementing ring |
-
2011
- 2011-09-24 CN CN2011203619886U patent/CN202301635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434608A (en) * | 2011-09-24 | 2012-05-02 | 芜湖众发汽车制动系统有限公司 | Dual-piston brake main cylinder with oil outlet connector at lateral side and oil supplementing ring |
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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: 20120704 Termination date: 20120924 |