CN204878438U - Import is equipped with clutch booster pump of sealing member - Google Patents
Import is equipped with clutch booster pump of sealing member Download PDFInfo
- Publication number
- CN204878438U CN204878438U CN201520323893.3U CN201520323893U CN204878438U CN 204878438 U CN204878438 U CN 204878438U CN 201520323893 U CN201520323893 U CN 201520323893U CN 204878438 U CN204878438 U CN 204878438U
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- piston
- sealing
- filler opening
- cylinder
- valve
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to a clutch booster pump. An import is equipped with clutch booster pump of sealing member, which comprises a housin, the casing in -connection has piston, piston splits into hydro -cylinder and cylinder with the casing, piston is connected with the connection piston, be equipped with valve spring in the connection piston, case opening lever and valve seat, the valve seat is equipped with the case, the casing is equipped with the oil inlet, the oil inlet has the oil feed to connect through oil inlet sealing washer sealing connection, the inner peripheral surface of oil inlet sealing washer is equipped with at least twice loop type inside seal lip, deformation groove in forming between the adjacent inside seal lip, the inside seal lip with oil feed joint sealing butt together, the outer peripheral face of oil inlet sealing washer is equipped with at least twice loop type external seal lip, form the outer groove of deforming between the adjacent external seal lip, the external seal lip is in the same place with all face seal butts of oil inlet. The utility model provides the oil feed connects with the advantage that the leakproofness between the oil inlet is good, has solved the easy appearance of oil inlet department and has sealed up badly and the oil leak problem.
Description
Technical field
The utility model relates to clutch power-assisted pump, particularly relates to the clutch power-assisted pump that a kind of import is provided with Sealing.
Background technique
In order to alleviate the labor intensity of driver, in automobile, usually can adopt clutch power-assisted pump, by the power-assisted of boost pump, effectively can reduce the labor intensity of each stepping on clutch master cylinder of driver.China Patent No. be 2011204061716, authorized announcement date be July 4 in 2012 day, be called the clutch power-assisted pump disclosing a kind of existing structure in the patent documentation of " a kind of novel clutch power-assisted pump equalizing piston assembly ".Clutch power-assisted pump comprises housing, in housing, sealing slidably connects oil cylinder piston, enclosure interior compartition is oil cylinder and cylinder by oil cylinder piston, one end that oil cylinder piston is positioned at cylinder is connected with connection piston, connects piston and stretches out cylinder, connects in piston the valve seat connection cylinder being provided with and extending from exterior edge face, valve seat connects in cylinder the valve base being provided with valve spring, spool all-or-nothing piece and being provided with valve road, valve is provided with spool in road, and housing is provided with filler opening, and filler opening is connected with fuel inlet fitting.The valve spring of existing boost pump valve is combination membrane flat spring, realizes the unlatching of valve and close by the balanced action of combined diaphragm spring, finally realizes pump oil and the oil return of power-assisted master cylinder.
Existing clutch power-assisted pump has the following disadvantages: the phenomenon of poor sealing and leakage of oil easily appears in the filler opening place of pump case; Due to diaphragm spring not only manufacturing process complicated, make time uncertain factor a lot, and stressed being also not easy controls, causing in production process cannot the quality of stability contorting clutch power-assisted pump, the mass stability difference of the clutch power-assisted pump also namely produced and quality conformance poor.
Model utility content
The utility model provides a kind of fuel inlet fitting is provided with Sealing clutch power-assisted pump with the import of the good airproof performance between filler opening, and Leakage easily appears poor sealing and in the filler opening place solving existing clutch power-assisted pump.
Above technical problem is solved by following technical proposal: a kind of import is provided with the clutch power-assisted pump of Sealing, comprise housing, in described housing, sealing slidably connects oil cylinder piston, described enclosure interior compartition is oil cylinder and cylinder by described oil cylinder piston, one end that described oil cylinder piston is positioned at cylinder is connected with connection piston, described connection piston stretches out described cylinder, be provided with the valve seat extended from exterior edge face in described connection piston and connect cylinder, valve spring is provided with in described valve seat connection cylinder, spool all-or-nothing piece and the valve base being provided with valve road, spool is provided with in described valve road, described housing is provided with filler opening, described filler opening is connected with fuel inlet fitting, described fuel inlet fitting and filler opening are sealed connected together by filler opening seal ring, the inner peripheral surface of described filler opening seal ring is provided with the ring-like interior sealing lip that at least twice extend along filler opening circumference, deformation groove in being formed between adjacent interior sealing lip, described interior sealing lip is connected to together with the outer circumferential face sealing of described fuel inlet fitting, the outer circumferential face of described filler opening seal ring is provided with the ring-like outer seal lip that at least twice extend along filler opening circumference, outer deformation groove is formed between adjacent outer seal lip, described outer seal lip is connected to together with the side face sealing of described filler opening.The filler opening seal ring all by arranging inner and outer circumferential surfaces with multiple sealing lips carries out sealing and arranges deformation groove between seal ring, make to reduce the width dimensions of sealing lip, make every one sealing lip fully to produce deformation and to be sealed connected together with corresponding component, can ensure that again filler opening seal ring can bear the power of larger destruction sealing effect, thus the reliable sealing achieved between fuel inlet fitting and filler opening, laborsaving convenience during assembling.
As preferably, described filler opening is provided with in-flanges, and the outer circumferential face of described filler opening seal ring is provided with annular slot, and described in-flanges is stuck in described draw-in groove.Effectively can prevent filler opening seal ring from skidding off from filler opening, improve sealing reliability.
As preferably, the outer side wall of described draw-in groove stretches out formation seal ring, and described fuel inlet fitting is provided with annular first flanging, and described first flanging is linked together by the end face seal of described seal ring with described filler opening.Filler opening can be improved further with the sealing reliability between fuel inlet fitting.
As preferably, described fuel inlet fitting is provided with annular second flanging, and the interior edge face of described filler opening seal ring is sealed connected together with described second flanging.Filler opening can be improved further with the sealing reliability between fuel inlet fitting.
As preferably, described oil cylinder piston is connected with apron and apron protection pad, and described oil cylinder piston is linked together with described cylinder seal by described apron, and described apron and apron protection pad are along the axial distribution of oil cylinder piston.Sealing reliability can be improved and keep oil cylinder piston good with long term seal between oil cylinder.
As preferably, described spool all-or-nothing piece is fixed together with described connection piston.Stability when can improve valve folding, stably can carry out folding according to designing requirement.Easy to make.
As preferably, described spool all-or-nothing piece is structure as a whole with described connection piston.Convenience during making is good, can be convenient and ensure that spool all-or-nothing piece is with connecting the position relationship of piston in scope of design exactly, to improve mass stability further.
As preferably, described connection piston seal is arranged with air chamber piston, and described air chamber piston is slidably connected together with described cylinder seal, and described valve seat connects in the non-through position connected with air chamber piston to described connection piston of cylinder.The structural strength and structural compactness of the present utility model and production convenience that connect piston can be improved.
As preferably, the width of described interior sealing lip is less than 5 millimeters, and the width of described outer seal lip is less than 5 millimeters.The width dimensions of sealing lip refers to the apparent size of sealing lip along seal ring axis.
As preferably, described valve spring is helical spring, and described valve spring one end links together with described valve base, the other end links together with described connection piston.The conformity of stability of the present utility model and product can be improved.
The utility model has following advantage: the sealing reliability between filler opening and fuel inlet fitting is good, assembles laborsaving convenience.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model when being in closed condition.
Fig. 2 is the close-up schematic view at the A place of Fig. 1.
Fig. 3 is the schematic diagram of the utility model when being in opening state.
In figure: connect piston 1, valve base 2, tip-lever support 3, spool 4, connect the position 5 that piston connects with air chamber piston, air chamber piston 6, first seal ring 7, valve seat connects cylinder 8, first air flue 9, valve spring 10, spool all-or-nothing piece 11, second air flue 12, second seal ring 13, valve road 14, 3rd seal ring 15, inlet hole 16, push rod 17, housing 18, oil cylinder piston 19, apron protection pad 20, oil cylinder 21, cylinder 22, apron 23, filler opening 24, oil outlet 25, fuel inlet fitting 26, filler opening seal ring 27, exhaust joint 28, piston reset spring 29, relief opening 30, 4th seal ring 31, interior sealing lip 32, interior deformation groove 33, in-flanges 34, first flanging 35, second flanging 36, outer seal lip 37, outer deformation groove 38, draw-in groove 39, seal ring 40.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
See Fig. 1, a kind of import is provided with the clutch power-assisted pump of Sealing, comprises housing 18, valve base 2, tip-lever support 3 and spool 4.Oil cylinder piston 19 is slidably connected in housing 18.Oil cylinder piston 19 is connected with twice apron 23.Each is all provided with apron protection pad 20 to apron 23.Apron 23 and apron protection pad 20 are along left and right directions distribution in the axis and figure of oil cylinder piston 19.Housing 18 inner space is divided into oil cylinder 21 and cylinder 22 by oil cylinder piston 19.Oil cylinder piston 19 is sealed connected together with oil cylinder 21 by apron 23.Oil cylinder 21 is provided with filler opening 24 and oil outlet 25.Filler opening 24 is connected with fuel inlet fitting 26.Fuel inlet fitting 26 and filler opening 24 are sealed connected together by filler opening seal ring 27.Cylinder 22 is provided with relief opening 30.Relief opening 30 is provided with exhaust joint 28.One end that oil cylinder piston 19 is positioned at cylinder 22 is connected with connection piston 1.The left end connecting piston 1 stretches out cylinder 22.Connect between piston 1 and housing 18 and be sealed connected together by the 3rd seal ring 31.First seal ring 31 is O RunddichtringO.The right-hand member connecting piston 1 is arranged with air chamber piston 6.Air chamber piston 6 is sealed connected together with connecting piston 1 by the first seal ring 7.First seal ring 7 is O RunddichtringO.Air chamber piston 6 is slidably connected together with cylinder 22 sealing.Piston reset spring 29 is also provided with in cylinder 22.The left end connecting piston 1 is provided with valve seat and connects cylinder 8 and the first air flue 9.First air flue 9 is communicated with valve seat and connects cylinder 8 and cylinder 22 and be positioned at space on the left of air chamber piston 6.It is non-through to connecting in position 5 that piston connects with air chamber piston that valve seat connects cylinder 8.Valve spring 10 and spool all-or-nothing piece 11 is provided with in valve seat connection cylinder 8.Spool all-or-nothing piece 11 is structure as a whole with connecting piston 1.Spool all-or-nothing piece 11 is provided with the second air flue 12.Second air flue 12 extends from the left side of spool all-or-nothing piece 11.Second air flue 12 is communicated with valve seat and connects cylinder 8 and cylinder 22 and be positioned at space on the right side of air chamber piston 6.Valve base 2 is slidably connected at valve seat and connects in cylinder 8.Be sealed connected together by the second seal ring 13 between valve base 2 and valve seat connection cylinder 8.Second seal ring 13 is O RunddichtringO.Valve spring 10 is helical spring.Valve spring 10 is set on spool all-or-nothing piece 11.One end of valve spring 10 is connected to together with valve seat connection cylinder 8, the other end is connected to together with valve base 2.Valve base 2 is provided with valve road 14.Spool all-or-nothing piece 11 aligns with valve road 14.Spool 4 is arranged in valve road 14, for plugging valve road.Tip-lever support 3 is connected to the left end of valve base 2.Be sealed connected together by the 3rd seal ring 15 between tip-lever support 3 and valve base 2.3rd seal ring 15 is O RunddichtringO.Spool 4 is separated with tip-lever support 3.Tip-lever support 3 is provided with inlet hole 16.Inlet hole 16 is communicated with valve road 14.
See Fig. 2, filler opening 24 is provided with in-flanges 34.Fuel inlet fitting 26 is provided with the first flanging 35 and the second flanging 36.First flanging 35 and the second flanging 36 are all annular.The interior edge face of filler opening seal ring 27 is connected to together with the second flanging 36 sealing.The inner peripheral surface of filler opening sealing 27 is provided with sealing lip 32 in twice.The width of interior sealing lip 32 is less than 5 millimeters.Interior sealing lip 32 is the ring type structure extended along filler opening 24 circumference.Deformation groove 33 in being formed between adjacent interior sealing lip.Interior sealing lip 32 is connected to together with the outer circumferential face sealing of fuel inlet fitting 26.The outer circumferential face of filler opening seal ring 27 is provided with twice outer seal lip 37.The width of outer seal lip 37 is less than 5 millimeters.Outer seal lip 37 is the ring type structure extended along filler opening 24 circumference.Outer deformation groove 38 is formed between adjacent outer seal lip.Outer seal lip 37 is connected to together with the side face sealing of filler opening 24.The outer circumferential face of filler opening seal ring 27 is provided with annular slot 39.The outer side wall of draw-in groove 39 stretches out and forms seal ring 40.In-flanges 34 is stuck in draw-in groove 39.First flanging 35 is linked together by the end face seal of seal ring 40 with filler opening 24.
See Fig. 1, during use, hydraulic oil enters oil cylinder 21 from fuel inlet fitting 26, and pressurized gas inputs from inlet hole 16, and during Fig. 1 state, gas can not flow through valve road 14.
See Fig. 3, when wanting driving clutch, tip-lever support 3 is driven to move to right by push rod 17, tip-lever support 3 actuating valve gate seat 2 moves to right, valve base 2 moves to right and actuating valve door spring 10 shrinks, along with the increase valve opening bar 11 of displacement amount spool 4 is backed down from valve road 14 while drive and connect piston 1 and move to right, gas is through valve road 14, valve seat connects cylinder 8 and the first air flue 9 and flows to cylinder 22 and be positioned at the left side of air chamber piston 6 and drive air chamber piston 6 to move to right, air chamber piston 6 moves to right and plays power-assisted push rod 17 and go to drive the effect that moves to right of oil cylinder piston 19, oil cylinder piston 19 moves to right and drives the hydraulic oil in oil cylinder 21 to spill out driving clutch from oil outlet 25.When not drive leader 17, under the effect of valve spring 10, valve base 2 moves to left and reseals on valve road 14 and valve road 14 is not closed, air chamber piston 6 moves to left when reset, air chamber piston 6 reset and drives oil cylinder piston 19 to reset together under the effect of piston reset spring 29, in the process that air chamber piston 6 resets, cylinder 22 gas be positioned on the left of air chamber piston 6 flows to cylinder 22 through the first air flue 9, valve seat connection cylinder 8 and the second air flue 12 and is positioned at the right side of air chamber piston 6 and emits through relief opening 30.
Claims (10)
1. an import is provided with the clutch power-assisted pump of Sealing, comprise housing, in described housing, sealing slidably connects oil cylinder piston, described enclosure interior compartition is oil cylinder and cylinder by described oil cylinder piston, one end that described oil cylinder piston is positioned at cylinder is connected with connection piston, described connection piston stretches out described cylinder, be provided with the valve seat extended from exterior edge face in described connection piston and connect cylinder, valve spring is provided with in described valve seat connection cylinder, spool all-or-nothing piece and the valve base being provided with valve road, spool is provided with in described valve road, described housing is provided with filler opening, described filler opening is connected with fuel inlet fitting, described fuel inlet fitting and filler opening are sealed connected together by filler opening seal ring, it is characterized in that, the inner peripheral surface of described filler opening seal ring is provided with the ring-like interior sealing lip that at least twice extend along filler opening circumference, deformation groove in being formed between adjacent interior sealing lip, described interior sealing lip is connected to together with the outer circumferential face sealing of described fuel inlet fitting, the outer circumferential face of described filler opening seal ring is provided with the ring-like outer seal lip that at least twice extend along filler opening circumference, outer deformation groove is formed between adjacent outer seal lip, described outer seal lip is connected to together with the side face sealing of described filler opening.
2. import according to claim 1 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, described filler opening is provided with in-flanges, and the outer circumferential face of described filler opening seal ring is provided with annular slot, and described in-flanges is stuck in described draw-in groove.
3. import according to claim 2 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, the outer side wall of described draw-in groove stretches out formation seal ring, described fuel inlet fitting is provided with annular first flanging, and described first flanging is linked together by the end face seal of described seal ring with described filler opening.
4. the import according to claim 1 or 2 or 3 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, described fuel inlet fitting is provided with annular second flanging, and the interior edge face of described filler opening seal ring is sealed connected together with described second flanging.
5. the import according to claim 1 or 2 or 3 is provided with the clutch power-assisted pump of Sealing, described oil cylinder piston is connected with apron and apron protection pad, described oil cylinder piston is linked together with described cylinder seal by described apron, and described apron and apron protection pad are along the axial distribution of oil cylinder piston.
6. the import according to claim 1 or 2 or 3 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, described spool all-or-nothing piece is fixed together with described connection piston.
7. import according to claim 6 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, described spool all-or-nothing piece is structure as a whole with described connection piston.
8. the import according to claim 1 or 2 or 3 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, described connection piston seal is arranged with air chamber piston, described air chamber piston is slidably connected together with described cylinder seal, and described valve seat connects in the non-through position connected with air chamber piston to described connection piston of cylinder.
9. the import according to claim 1 or 2 or 3 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, the width of described interior sealing lip is less than 5 millimeters, and the width of described outer seal lip is less than 5 millimeters.
10. the import according to claim 1 or 2 or 3 is provided with the clutch power-assisted pump of Sealing, it is characterized in that, described valve spring is helical spring, and described valve spring one end links together with described valve base, the other end links together with described connection piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323893.3U CN204878438U (en) | 2015-05-20 | 2015-05-20 | Import is equipped with clutch booster pump of sealing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323893.3U CN204878438U (en) | 2015-05-20 | 2015-05-20 | Import is equipped with clutch booster pump of sealing member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878438U true CN204878438U (en) | 2015-12-16 |
Family
ID=54822813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520323893.3U Expired - Fee Related CN204878438U (en) | 2015-05-20 | 2015-05-20 | Import is equipped with clutch booster pump of sealing member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678181A (en) * | 2017-03-08 | 2017-05-17 | 菲斯达排放控制装置（苏州）有限公司 | Clutch seal ring |
-
2015
- 2015-05-20 CN CN201520323893.3U patent/CN204878438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678181A (en) * | 2017-03-08 | 2017-05-17 | 菲斯达排放控制装置（苏州）有限公司 | Clutch seal ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160520 |