CN2700600Y - Improved clutch boosting pump for high horsepower automobile - Google Patents
Improved clutch boosting pump for high horsepower automobile Download PDFInfo
- Publication number
- CN2700600Y CN2700600Y CN 200420049242 CN200420049242U CN2700600Y CN 2700600 Y CN2700600 Y CN 2700600Y CN 200420049242 CN200420049242 CN 200420049242 CN 200420049242 U CN200420049242 U CN 200420049242U CN 2700600 Y CN2700600 Y CN 2700600Y
- Authority
- CN
- China
- Prior art keywords
- piston
- big
- small
- cylinder
- exhaust passage
- 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
Links
Images
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses an improved clutch boosting pump for a high horsepower automobile. The lower end of the body of the utility model is connected with a cylinder. The cylinder is provided with a large piston sealed by large cup packing. The piston rod of the large piston extends in the large oil chamber of the body, and the circumference of the large oil chamber is provided with a guiding ring and a sealing ring. The upper end of the body is provided with a main brake-fluid inlet, and the inner wall of the body is provided with an auxiliary brake-fluid inlet. The large oil chamber and the small oil chamber of the body are communicated. A small piston is arranged in the small oil chamber, the circumference of the small oil chamber is provided with the sealing ring, the inner hole of the small piston is an exhaust passage, the lower part of the small piston is a compressed air chamber, and a valve seat and a valve sheet are arranged in the compressed air chamber. An air inlet passage and the exhaust passage are arranged at a connecting position between the body and the cylinder, and the upper part of the air inlet passage and the exhaust passage is provided with spare exhaust vents. The side of the body contiguous the exhaust passage of the small piston is provided with a straight-line ventilation plug. The improved clutch boosting pump for a high horsepower automobile can reduce resistance, the phenomenon that a clutch pedal is heavy and can not be separated completely is avoided, water is avoided accumulating in a pump body, the service life of the utility model is prolonged, and the improved clutch boosting pump for a high horsepower automobile can be matched with any automobile.
Description
Technical field
The utility model relates to auto parts machinery series, a kind of specifically modified model high-powered car clutch power-assisted pump.
Background technique
At present, the used following drawback of clutch power-assisted pump ubiquity on the high-powered car:
1. valve structure is poor, causes the cracking pressure of boost pump excessive;
2. the aperture of inlet and outlet is less than normal, in use often produces the heavy and Bubukao's phenomenon of clutch pedal, causes friction plate to separate the difficulty of thoroughly not shifting gears;
3. the breather plug unreasonable structure makes viscous flow ponding in the pump housing easily;
4. the Shan device is not deposited at big piston leather cup edge, makes the too early wearing and tearing of leather cup and causes boost pump to lose efficacy;
5. do not have standby exhaust port, can not mate with the vehicle that has the power assisted gearshift device;
6. the guide ring lip of big piston bar is dealt with improperly, produces resistance and influence effect when big piston moment motion;
Therefore, prior art has improves perfect necessity, increases the boost pump new varieties.
Summary of the invention
The purpose of this utility model provides a kind of modified model high-powered car clutch power-assisted pump.
One of purpose is the aperture that increases each inlet and outlet hole, makes air-flow unimpeded, changes the lip configurations of big piston bar guide ring, to reduce resistance, avoids clutch pedal heavy and separate halfway phenomenon generation.
Two of purpose is to change the valve block shape, reduces cracking pressure; Breather plug makes direct-exhausting type into, avoids ponding in the pump housing.
Three of purpose is the trapped fuel devices that increase the big piston edge, increases its working life, and other adds a standby exhaust port to guarantee and any vehicle coupling.
The purpose of this utility model is achieved in that
A kind of modified model high-powered car clutch power-assisted pump, it is by body, cylinder, big piston, valve block, spring and associated seal are formed, the lower end of body connects cylinder, big piston with big cup packing is housed in this cylinder, the piston rod of this big piston stretches in the big oil pocket of body, it circumferentially has guide ring and seal ring, there is brake-fluid master hand-hole the upper end of this body, inwall has the secondary hand-hole of brake-fluid, big oil pocket and small oil cavity on the body are communicated, small piston is arranged in the small oil cavity, it circumferentially has seal ring, the small piston endoporus is the exhaust passage, the below of small piston is a compressed air cell, and valve seat and valve block are housed in its chamber, and there is intake and exhaust channel at the body position that links to each other with cylinder, there is standby exhaust port its top, and the direct-exhausting type breather plug is equipped with at the position adjacent with the small piston exhaust passage, the side of body.
The bottom surface of described valve block is a tapered structure.
The contact position of described guide ring and piston rod is the circular arc type structure.
O type cushion rubber is equipped with in lower end at the big leather cup of described big piston periphery.
The described air relief cock that is contained in the body side is the direct-exhausting type structure.
The aperture of described intake and exhaust channel is 8 millimeters, and the aperture of small piston exhaust passage is 6.8 millimeters.
In described body side standby exhaust port is arranged.
The utility model has following actively useful effect:
1. modified model high-powered car clutch power-assisted pump of the present utility model, be on the basis of existing product, strengthened the aperture in each inlet and outlet hole, dwindled the area of contact between guide ring and the piston rod, thereby big piston is moved flexibly at work, it is heavy to have eliminated clutch pedal, hair fastener, the disadvantages such as difficulty of putting into gear.
2. this modified model high-powered car clutch power-assisted pump is equipped with the direct-exhausting type air relief cock, can get rid of the ponding in the pump housing preferably.
3. this modified model high-powered car clutch power-assisted pump is provided with standby exhaust port, energy and various vehicle coupling.
4. this modified model high-powered car clutch power-assisted pump is equipped with tapered bottom surface valve block, can reduce cracking pressure.
5. this modified model high-powered car clutch power-assisted pump is equipped with O type cushion rubber in the big piston lower end, make it and big leather cup between trapped fuel, often lubricated leather cup lip, thus increase working life of boost pump.
6. the processing of this product is simple, and cost is lower, and its life-span is 1.5 times of other products, and function of use also is better than other products, can also substitute the higher imported product of price, therefore, market prospects is preferably arranged.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Accompanying drawing number:
1. body 2. small pistons 3. breather plugs
4. standby exhaust port 5. inlet and outlet passages 6. valve blocks
7. guide ring 8. piston rods 9. cylinders
10. big piston 11. big leather cup 12.O type cushion rubbers
13. the secondary hand-hole of push rod 14. valve seats 15. brake-fluids
16. brake-fluid master hand-hole 17. small piston exhaust ports 18. big oil pockets
19. small oil cavity 20 compressed air cells
Please refer to Fig. 1, the utility model is a kind of modified model high-powered car clutch power-assisted pump, it is by body, cylinder, big piston, valve block, spring and associated seal are formed, the lower end of body 1 connects cylinder 9, big piston 10 with big leather cup 11 sealings is housed in this cylinder, the piston rod 8 of this big piston stretches in the big oil pocket 18 of body 1, it circumferentially has guide ring 7 and seal ring, there is brake-fluid master hand-hole 16 upper end of this body 1, inwall has the secondary hand-hole 15 of brake-fluid, big oil pocket 18 and small oil cavity 19 on the body are communicated, small piston 2 is arranged in the small oil cavity, it circumferentially has seal ring, and the small piston endoporus is exhaust passage 17, and the below of small piston is a compressed air cell 20, valve seat 14 and valve block 6 are housed in its chamber, there is intake and exhaust channel 5 at the body position that links to each other with cylinder, and there is standby exhaust port 4 its top, and direct-exhausting type breather plug 3 is equipped with at the position adjacent with the small piston exhaust passage, the side of body.
The bottom surface of described valve block 6 is a tapered structure.
Described guide ring 7 is the circular arc type structure with the contact position of piston rod 8.
O type cushion rubber 12 is equipped with in the lower end of the big leather cup 11 of described big piston 10 peripheries.
The described air relief cock 3 that is contained in body 1 side is the direct-exhausting type structure.
The aperture of described intake and exhaust channel is 8 millimeters, and the aperture of small piston exhaust passage is 6.8 millimeters.
The working principle of the utility model boost pump:
Be installed in the clutch power-assisted pump on the automobile, its brake-fluid master hand-hole 16 links to each other with the automobile master cylinder, compressed air cell 20 links to each other with compressed air cylinder on the automobile, push rod 13 links to each other with clutch separation justice, when let slip the clutch, the brake-fluid that the big oil pocket of boost pump is 18 li produces certain pressure under the effect of master cylinder, enter in the small oil cavity 19 through the secondary hand-hole 15 of brake-fluid, small piston 2 is moved down, close the gap between small piston exhaust passage 17 and the valve block 6 earlier, and then promote valve block and move down, making between valve block 6 and the valve seat 14 and form the gap, the interior pressurized air of compressed air cell 20 is in body intake and exhaust channel 5 enters cylinder 9 like this, promote big piston 10 works done, because the area of big piston is bigger, can produce very big thrust under compressed-air actuated effect, passes to clutch release fork through push rod 13.Make clutch be in separated state, when gearshift finishes when unclamping foot treadle, the pressure that big oil pocket is 18 li disappears, small piston is rapid return under the effect of spring, valve block 6 is return and valve seat 14 closures under compressed-air actuated effect, and the gap between small piston 2 and the valve block 6 returns to original state again, and the pressurized air in the cylinder is got rid of external through the exhaust passage of body, the exhaust passage of small piston again like this, big piston, push rod and withdrawal fork return, clutch is in fit-state again.
Structural feature of the present utility model:
Please refer to Fig. 1, on the body 1 of this clutch power-assisted pump small piston 2 is housed, its endoporus is exhaust passage 5, owing to strengthened this passage and other advance, the aperture of exhaust passage, dwindled the area of contact between guide ring 7 and the piston rod 8, make the big piston 10 at work can flexible motion, it is heavy to have eliminated clutch pedal, hair fastener, the disadvantages such as difficulty of putting into gear, direct-exhausting type breather plug 3 is loaded on a side of body, the interior ponding of the pump housing of lining up preferably, body is provided with standby exhaust port 4, and this boost pump can be mated with various vehicles, the valve block 6 of tapered bottom surface is installed in the bottom of small piston, can reduce the cracking pressure of boost pump, in the lower end of big leather cup 11 O type cushion rubber 12 is housed and make cylinder block 9 inwall trapped fuel lubricate big leather cup lip, increased the working life of boost pump greatly.
Embodiment
Clutch power-assisted pump after improvement, its each advance, the cross-section area of exhaust passage has been increased to 1.3 times of other products, changing circular arc between guide ring and the piston rod contacts, big piston is moved flexibly at work, it is heavy to have eliminated clutch pedal, hair fastener, the disadvantages such as difficulty of putting into gear, this boost pump is equipped with the direct-exhausting type breather plug, in use do not have ponding in the pump housing, this boost pump is provided with standby exhaust port, can be contained on the vehicle that has the power assisted gearshift device, its valve block bottom is a cone structure, the cracking pressure of this pump is less than 0.8Mpa, and O type cushion rubber is equipped with in the big piston lower end of this boost pump, and big leather cup lip can often be lubricated, therefore, the working life of this boost pump is longer.
Claims (7)
1. modified model high-powered car clutch power-assisted pump, it is by body, cylinder, big piston, valve block, spring and associated seal are formed, it is characterized in that: the lower end of body (1) connects cylinder (9), big piston (10) with big leather cup (11) sealing is housed in this cylinder, the piston rod of this big piston (8) stretches in the big oil pocket (18) of body, it circumferentially has guide ring (7) and seal ring, there is brake-fluid master hand-hole (16) upper end of this body (1), inwall has the secondary hand-hole (15) of brake-fluid, big oil pocket (18) and small oil cavity (19) on the body are communicated, small piston (2) is arranged in the small oil cavity, it circumferentially has seal ring, the small piston endoporus is exhaust passage (17), the below of small piston is compressed air cell (20), and valve seat (14) and valve block (6) are housed in its chamber, and there is intake and exhaust channel (5) at the body position that links to each other with cylinder, there is standby exhaust port (4) its top, and direct-exhausting type breather plug (3) is equipped with at the position adjacent with the small piston exhaust passage, the side of body.
2. modified model high-powered car clutch power-assisted pump as claimed in claim 1 is characterized in that: the bottom surface of described valve block (6) is a tapered structure.
3. modified model high-powered car clutch power-assisted pump as claimed in claim 1 is characterized in that: described guide ring (7) is the circular arc type structure with the contact position of piston rod (8).
4. modified model high-powered car clutch power-assisted pump as claimed in claim 1 is characterized in that: O type cushion rubber (12) is equipped with in the lower end at the big leather cup (11) of described big piston (10) periphery.
5. modified model high-powered car clutch power-assisted pump as claimed in claim 1 is characterized in that: the described air relief cock (3) that is contained in body (1) side is the direct-exhausting type structure.
6. modified model high-powered car clutch power-assisted pump as claimed in claim 1 is characterized in that: the aperture of described intake and exhaust channel is 8 millimeters, and the aperture of small piston exhaust passage is 6.8 millimeters.
7. modified model high-powered car clutch power-assisted pump as claimed in claim 1 is characterized in that: in described body side standby exhaust port (4) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420049242 CN2700600Y (en) | 2004-04-19 | 2004-04-19 | Improved clutch boosting pump for high horsepower automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420049242 CN2700600Y (en) | 2004-04-19 | 2004-04-19 | Improved clutch boosting pump for high horsepower automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700600Y true CN2700600Y (en) | 2005-05-18 |
Family
ID=34776565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420049242 Expired - Fee Related CN2700600Y (en) | 2004-04-19 | 2004-04-19 | Improved clutch boosting pump for high horsepower automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700600Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678785A (en) * | 2011-03-17 | 2012-09-19 | 李立军 | Improved automobile clutch booster |
| CN107923376A (en) * | 2015-08-20 | 2018-04-17 | 豪格绍尔压缩机公司 | Reciprocating-piston compressor, for the spare part suit of reciprocating-piston compressor and application of the connecting rod in reciprocating-piston compressor |
-
2004
- 2004-04-19 CN CN 200420049242 patent/CN2700600Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678785A (en) * | 2011-03-17 | 2012-09-19 | 李立军 | Improved automobile clutch booster |
| CN107923376A (en) * | 2015-08-20 | 2018-04-17 | 豪格绍尔压缩机公司 | Reciprocating-piston compressor, for the spare part suit of reciprocating-piston compressor and application of the connecting rod in reciprocating-piston compressor |
| CN107923376B (en) * | 2015-08-20 | 2020-07-03 | 豪格绍尔压缩机公司 | Reciprocating piston compressor, spare part set for reciprocating piston compressor and use of connecting rod in reciprocating piston compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202082313U (en) | Pneumatic power assisting device and automobile clutch system with same | |
| CN201687871U (en) | Clutch booster | |
| CN1071868C (en) | Actuation systems and mechanisms | |
| CN201891776U (en) | Automobile wheel cylinder assembly | |
| CN1032197C (en) | Mold clamping device | |
| CN2700600Y (en) | Improved clutch boosting pump for high horsepower automobile | |
| CN201751254U (en) | Improved structure for brake master cylinder | |
| CN2849214Y (en) | Booster pump | |
| CN201432654Y (en) | Multi-functional plunger type automobile brake master cylinder | |
| CN201627773U (en) | Stacking gas-liquid pressurized cylinder | |
| CN103148122A (en) | Clutch master pump and clutch assembly equipped with clutch master pump | |
| CN201866134U (en) | Pressure-regulating overflow total pump for clutch booster | |
| CN203214707U (en) | Clutch master pump and clutch assembly provided with same | |
| CN201206603Y (en) | Clutch assistor assembly for car | |
| CN2918956Y (en) | Direct-flow heavy grease gun | |
| CN104196920A (en) | Integrated clutch booster with control valve | |
| CN2876513Y (en) | Pluger type lubricating pump | |
| CN2835644Y (en) | Clutch master cylinder operated by air pressure | |
| CN200948791Y (en) | Vehicular dual circuit brake valve | |
| CN205118047U (en) | Take integral clutch booster of gear -change control valve | |
| CN205118048U (en) | Integral type gas vent structure | |
| CN2379363Y (en) | Four-channel pressure regulator for anti-blocking-system of vehicle | |
| CN1558123A (en) | Automobile hydraulic booster | |
| CN202301913U (en) | Piston of high-sealing-performance clutch master cylinder | |
| CN2690658Y (en) | Automobile hydraulic booster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |