CN102364150A - Dual piston brake main cylinder with extending type oil feeding joints and oil supplementing ring - Google Patents
Dual piston brake main cylinder with extending type oil feeding joints and oil supplementing ring Download PDFInfo
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- CN102364150A CN102364150A CN2011102875023A CN201110287502A CN102364150A CN 102364150 A CN102364150 A CN 102364150A CN 2011102875023 A CN2011102875023 A CN 2011102875023A CN 201110287502 A CN201110287502 A CN 201110287502A CN 102364150 A CN102364150 A CN 102364150A
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- piston assembly
- cylinder body
- left end
- spring
- fuel inlet
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Abstract
The invention discloses a dual piston brake main cylinder with extending type oil feeding joints and an oil supplementing ring, which comprises a cylinder body, wherein an oil chamber is arranged in the middle of the cylinder body; a protecting cover is arranged at the right end part of the oil chamber; a rear piston assembly is arranged at the left end of the protecting cover; a rear spring is arranged at the left end of the rear piston assembly; a front piston assembly is arranged at the left side of the rear spring; a front gasket is sleeved on the outer wall at the left end of the front piston assembly; a compression spring is arranged at the left end of the front gasket; a spring seat is arranged at the left end of the compression spring; a front spring is arranged at the left end of the spring seat; a screw cover is arranged at the left end of the cylinder body; the left end of the front spring is supported against the screw cover; stop screws are respectively arranged on the cylinder body parts at the lower end of the front piston assembly and the lower end of the rear piston assembly; and oil feeding joints are respectively arranged at the cylinder body parts corresponding to the upper end of the front piston assembly and the upper end of the rear piston assembly. According to the dual piston brake main cylinder disclosed by the invention, the extending type oil feeding joints are arranged at the upper end of the cylinder body, so that an oil path can be effectively lengthened and is not easy to block; and in addition, a better oil return effect is obtained, and the service lives of products are prolonged.
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 of stretched fuel inlet fitting with repairing ring.
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 fuel inlet fitting is directly connected to lubricating cup, causes oil circuit to stop up easily, and piston also can not oil return after losing efficacy.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 repairing ring of stretched fuel inlet fitting; Solve brake master cylinder structure in the past; Its fuel inlet fitting is directly connected to lubricating cup, causes oil circuit to stop up easily, technical problem that also can not oil return after piston lost efficacy.
The technological scheme that the present invention adopts is:
A kind of double-piston brake master cylinder with repairing ring of stretched fuel inlet fitting comprises cylinder body: the cylinder body middle part has the grease chamber, and the right part, grease chamber is equipped with protective housing; The protective housing left end is equipped with the back piston assembly, is set with main apron 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 the back packing ring on the secondary piston assembly right-hand member outer wall, is set with repairing ring, D shape seal ring and preceding packing ring on the secondary piston assembly left end outer wall; Preceding packing ring 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 cylinder body left end is equipped with blind nut; Between blind nut and the cylinder body copper washer is installed, the front spring left end leans on blind nut; 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; Each fuel inlet fitting limit, cylinder body upper end 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, beneficial effect of the present invention is:
The present invention is through being provided with the fuel inlet fitting of stretched in the cylinder body upper end, the oil circuit that can effectively extend make it to be difficult for stopping up, and oil return is effective, has improved the working life of product.
Description of drawings:
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is side 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 repairing ring of stretched fuel inlet fitting comprises cylinder body 1: cylinder body 1 middle part has the grease chamber, and the right part, grease chamber is equipped with protective housing 20; Protective housing 20 left ends are equipped with back piston assembly 18, are set with main apron 19 on the back piston assembly 18 right-hand member outer walls, and back piston assembly 18 left ends are equipped with rear spring 14; Rear spring 14 left sides are equipped with secondary piston assembly 7, are set with back packing ring 13 on the secondary piston assembly 7 right-hand member outer walls, are set with repairing ring 12, D shape seal ring 13 and preceding packing ring 10 on the secondary piston assembly 7 left end outer walls; Preceding packing ring 10 left ends are equipped with holddown spring 9; Holddown spring 9 left ends are equipped with spring seat 8, and spring seat 8 left ends are equipped with front spring 7, and cylinder body 1 left end is equipped with blind nut 5; Between blind nut 5 and the cylinder body 1 copper washer 4 is installed, front spring 7 left ends lean on blind nut 5; Be separately installed with stop screw 2 on the cylinder body 1 of secondary piston assembly 7 and back piston assembly 18 lower ends, between stop screw 2 and the cylinder body 1 stop screw pad 3 be installed also; Cylinder body 1 place that secondary piston assembly 7 is corresponding with back piston assembly 18 upper ends is provided with fuel inlet fitting 16 respectively, and fuel inlet fitting 16 is equipped with oil-feed seal ring 17 with cylinder body 1 contacting point, the fuel inlet fitting 16 outer dust caps 15 that are set with; Each fuel inlet fitting 16 limit, cylinder body 1 upper end all have delivery connection, and delivery connection is equipped with dust plug 21 outward, and fuel inlet fitting 16 all is connected to the grease chamber through oil duct with delivery connection.
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 repairing ring of a stretched fuel inlet fitting comprises cylinder body, it is characterized in that: the cylinder body middle part has the grease chamber; The right part, grease chamber is equipped with protective housing, and the protective housing left end is equipped with the back piston assembly, is set with main apron 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, is set with the back packing ring on the secondary piston assembly right-hand member outer wall; Be set with repairing ring, D shape seal ring and preceding packing ring on the secondary piston assembly left end outer wall, preceding packing ring 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; The cylinder body left end is equipped with blind nut, between blind nut and the cylinder body copper washer is installed, and the front spring left end leans on blind nut; 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; Each fuel inlet fitting limit, cylinder body upper end all has delivery connection, and delivery connection is equipped with dust plug outward.
2. the double-piston brake master cylinder with repairing ring of stretched fuel inlet fitting 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 |
|---|---|---|---|
| CN2011102875023A CN102364150A (en) | 2011-09-24 | 2011-09-24 | Dual piston brake main cylinder with extending type oil feeding joints and oil supplementing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102875023A CN102364150A (en) | 2011-09-24 | 2011-09-24 | Dual piston brake main cylinder with extending type oil feeding joints and oil supplementing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102364150A true CN102364150A (en) | 2012-02-29 |
Family
ID=45690732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102875023A Pending CN102364150A (en) | 2011-09-24 | 2011-09-24 | Dual piston brake main cylinder with extending type oil feeding joints and oil supplementing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102364150A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198160Y (en) * | 1994-06-29 | 1995-05-24 | 李岩泉 | Double way aluminium automobile brake pump |
| EP0692651A1 (en) * | 1994-07-13 | 1996-01-17 | KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH | Disc brake cylinder, especially for utility vehicles |
| DE19818156A1 (en) * | 1998-04-23 | 1999-10-28 | Bosch Gmbh Robert | Piezohydraulic wheel brake device for vehicle hydraulic brake system |
| CN2565691Y (en) * | 2002-09-17 | 2003-08-13 | 徐瑞祥 | Double pipeline hydraulic brake main cylinder |
| CN201002599Y (en) * | 2006-12-14 | 2008-01-09 | 吉林汽车制动器厂 | Automobile center valve type braking master cylinder |
| CN201521580U (en) * | 2009-10-26 | 2010-07-07 | 芜湖聚达汽车零部件有限公司 | Brake main cylinder |
| CN201566606U (en) * | 2009-11-13 | 2010-09-01 | 芜湖恒坤汽车部件有限公司 | Brake master pump assembly |
| CN201568473U (en) * | 2009-11-13 | 2010-09-01 | 芜湖恒坤汽车部件有限公司 | Clutch master cylinder assembly |
| CN201615152U (en) * | 2010-01-05 | 2010-10-27 | 温州市东启汽车零部件制造有限公司 | Center valve type clutch master cylinder assembly |
| CN201633714U (en) * | 2009-12-30 | 2010-11-17 | 奇瑞汽车股份有限公司 | Novel brake master cylinder assembly for car |
| CN202301632U (en) * | 2011-09-24 | 2012-07-04 | 芜湖众发汽车制动系统有限公司 | Double-piston brake master cylinder with extended oil inlet joints and oil makeup ring |
-
2011
- 2011-09-24 CN CN2011102875023A patent/CN102364150A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198160Y (en) * | 1994-06-29 | 1995-05-24 | 李岩泉 | Double way aluminium automobile brake pump |
| EP0692651A1 (en) * | 1994-07-13 | 1996-01-17 | KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH | Disc brake cylinder, especially for utility vehicles |
| DE19818156A1 (en) * | 1998-04-23 | 1999-10-28 | Bosch Gmbh Robert | Piezohydraulic wheel brake device for vehicle hydraulic brake system |
| CN2565691Y (en) * | 2002-09-17 | 2003-08-13 | 徐瑞祥 | Double pipeline hydraulic brake main cylinder |
| CN201002599Y (en) * | 2006-12-14 | 2008-01-09 | 吉林汽车制动器厂 | Automobile center valve type braking master cylinder |
| CN201521580U (en) * | 2009-10-26 | 2010-07-07 | 芜湖聚达汽车零部件有限公司 | Brake main cylinder |
| CN201566606U (en) * | 2009-11-13 | 2010-09-01 | 芜湖恒坤汽车部件有限公司 | Brake master pump assembly |
| CN201568473U (en) * | 2009-11-13 | 2010-09-01 | 芜湖恒坤汽车部件有限公司 | Clutch master cylinder assembly |
| CN201633714U (en) * | 2009-12-30 | 2010-11-17 | 奇瑞汽车股份有限公司 | Novel brake master cylinder assembly for car |
| CN201615152U (en) * | 2010-01-05 | 2010-10-27 | 温州市东启汽车零部件制造有限公司 | Center valve type clutch master cylinder assembly |
| CN202301632U (en) * | 2011-09-24 | 2012-07-04 | 芜湖众发汽车制动系统有限公司 | Double-piston brake master cylinder with extended oil inlet joints and oil makeup ring |
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|---|---|---|---|
| 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: 20120229 |