CN207261508U - Clutch force aid system - Google Patents
Clutch force aid system Download PDFInfo
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- CN207261508U CN207261508U CN201721298927.3U CN201721298927U CN207261508U CN 207261508 U CN207261508 U CN 207261508U CN 201721298927 U CN201721298927 U CN 201721298927U CN 207261508 U CN207261508 U CN 207261508U
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- clutch
- assisted
- power
- pressure
- overflow port
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a kind of clutch force aid system, including clutch power-assisted master cylinder and clutch slave cylinder, the oil outlet of clutch power-assisted master cylinder is connected with the oil inlet oil return opening of clutch slave cylinder, the piston of clutch power-assisted master cylinder is connected with clutch foot pedal, clutch slave cylinder is connected with gearbox, the hydraulic oil container of steering wheel and steering wheel is further included, the overflow port of steering wheel is connected with the oil inlet of clutch power-assisted master cylinder, and the overflow port of clutch power-assisted master cylinder is connected with hydraulic oil container.It is unfavorable for vehicle oil pump and produces high pressure oil progress clutch power-assisted, clutch power-assisted is carried out beneficial to the high pressure oil of steering wheel overflow port outflow, steering wheel overflow port comes out hydraulic oil and is directly back in hydraulic oil container during clutch power-assisted air pump inoperative, steering wheel overflow port comes out high pressure oil and just carries out power-assisted during clutch power-assisted pump work, does not influence vehicle oil pressure.
Description
Technical field
Vehicle booster technical field is the utility model is related to, more particularly, to a kind of clutch force aid system.
Background technology
Clutch boost pump produces high pressure power-assisted using vehicle oil pump more, influences Full Vehicle System oil using vehicle hydraulic clutch
Pressure, that is, influence the normal work of other hydraulic subsystems.And current clutch boost pump itself coordinates electronics without pressure reducing valve
Valve and pressure reducing valve use, and pipeline connection is more cumbersome for installation, and cost is higher.
Utility model content
In view of the shortcomings of the prior art, technical problem to be solved in the utility model is to provide a kind of clutch force aid system,
To achieve the purpose that not influence Full Vehicle System oil pressure.
In order to solve the above-mentioned technical problem, technical solution is used by the utility model：
The clutch force aid system, including clutch power-assisted master cylinder and clutch slave cylinder, the oil outlet of clutch power-assisted master cylinder and clutch
The oil inlet oil return opening of wheel cylinder is connected, and the piston of clutch power-assisted master cylinder is connected with clutch foot pedal, clutch slave cylinder and gearbox phase
Even, the hydraulic oil container of steering wheel and steering wheel is further included, the overflow port of steering wheel is connected with the oil inlet of clutch power-assisted master cylinder,
The overflow port of clutch power-assisted master cylinder is connected with hydraulic oil container.
Further, the oil inlet on the clutch power-assisted master cylinder and oil outlet and overflow port are arranged side by side.
The clutch power-assisted master cylinder includes main pump body, main piston, push-rod piston and push rod cover for seat, and the ram seat is arranged
In main pump body end, the push-rod piston and main piston are oppositely arranged in main pump body, the main pump body be equipped with oil inlet and
Oil outlet and overflow port, main piston will be divided into power-assisted chamber and working chamber in main pump body, oil inlet is connected with power-assisted chamber, fuel-displaced
Mouthful it is connected with working chamber, realizes that what power-assisted chamber was connected with overflow port subtracts when further including pressure release valve seat and excessive power-assisted cavity pressure
Pressure valve, the pressure release valve seat in main pump body between oil outlet and overflow port, during the main piston and pressure release valve seat are
Hollow structure, one end activity of main piston are located in relief valve seat one end, and the pressure release valve seat other end is connected with overflow port, main piston
It is equipped with and is used to connect the wing passage inside power-assisted chamber and main piston；Power-assisted when pressure reducing valve is located at power-assisted air pump inoperative in main piston
Chamber is connected with overflow port, pressure reducing valve be connected with push-rod piston power-assisted pump work when pressure reducing valve sealing main piston inner hollow lead to
Road.
The pressure reducing valve includes pressure reducing valve point and pressure-relief valve spring and hollow Pressure relief valve seat, the Pressure relief valve seat are located at
In main piston, the stepped hole opposite with Pressure relief valve seat one end is equipped with main piston, pressure reducing valve point and pressure-relief valve spring are respectively positioned on and subtract
In pressure valve seat, pressure reducing valve point one end is connected with power-assisted chamber, and the pressure reducing valve point other end is connected with pressure-relief valve spring and and relief valve
Seat communicates.
The pressure release valve seat is equipped with the check-valves for being used for supplementing hydraulic oil in working chamber, check-valves one end and working chamber phase
Connection, the check-valves other end are connected with overflow port.
The main piston is equipped with raised piston ring, is working chamber between piston ring and pressure release valve seat side, relief valve
Spill cavity is formed between seat opposite side and main pump body bottom, spill cavity is connected with overflow port.
The utility model compared with prior art, has the following advantages：
Clutch force aid system design is reasonable, is unfavorable for vehicle oil pump and produces high pressure oil progress clutch power-assisted, beneficial to direction
The high pressure oil of machine overflow port outflow carries out clutch power-assisted, and it is direct to come out hydraulic oil for steering wheel overflow port during clutch power-assisted air pump inoperative
It is back in hydraulic oil container, steering wheel overflow port comes out high pressure oil and just carries out power-assisted during clutch power-assisted pump work, does not influence vehicle oil
Pressure.
Brief description of the drawings
The content expressed by each width attached drawing of this specification and the mark in figure are briefly described below：
Fig. 1 is the utility model clutch force aid system schematic diagram.
Fig. 2 is the utility model clutch power-assisted master pump structure schematic diagram.
Fig. 3 is the utility model clutch power-assisted master cylinder schematic cross-sectional view.
In figure：
1. main pump body, 2. push rod cover for seat, 3. main pistons, 4. dust covers, 5. Pressure relief valve seats, 6. end caps, 7. pressure release valve seats, 8.
Push-rod piston, 9. pressure-relief valve springs, 10. pressure reducing valves point, 11. Pressure relief valve seat bolts, 12. holes shelves, 13. gaskets, 14. sealing rings I,
15. sealing ring II, 16. sealing rings III, 17. sealing rings IV, 18. main springs, 19. return springs, 20. check-valves, 21. check-valves
Bolt, 22.O types circle I, 23.O types circle II, 24. locking bolts, 25. oil inlets, 26. oil outlets, 27. overflow ports, 28. techniques
Hole, 111. steering wheels, 112. hydraulic oil containers, 113. clutch power-assisted master cylinders, 114. clutch foot pedals, 115. clutch slave cylinders, 116.
Gearbox.
Embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation.
As shown in Figure 1 to Figure 3, the clutch force aid system, including clutch power-assisted master cylinder 113, clutch slave cylinder 115, steering wheel
111 and the hydraulic oil container 112 of steering wheel, the oil outlet of clutch power-assisted master cylinder 113 be connected with the oil inlet oil return opening of clutch slave cylinder,
The piston of clutch power-assisted master cylinder is connected with clutch foot pedal 114, and clutch slave cylinder is connected with gearbox 116, the overflow port of steering wheel
It is connected with the oil inlet of clutch power-assisted master cylinder, the overflow port of clutch power-assisted master cylinder is connected with hydraulic oil container 112.
It is unfavorable for vehicle oil pump and produces high pressure oil progress clutch power-assisted, is carried out beneficial to the high pressure oil of steering wheel overflow port outflow
Clutch power-assisted, steering wheel overflow port comes out hydraulic oil and is directly back in hydraulic oil container during clutch power-assisted air pump inoperative, clutch power-assisted
Steering wheel overflow port comes out high pressure oil and just carries out power-assisted during pump work, does not influence vehicle oil pressure.
Wherein, clutch power-assisted master cylinder includes main pump body 1, push rod cover for seat 2, main piston 3, dust cover 4, Pressure relief valve seat 5, end cap
6th, pressure release valve seat 7, push-rod piston 8, pressure-relief valve spring 9, pressure reducing valve point 10, Pressure relief valve seat bolt 11, hole shelves 12, gasket 13, close
Seal I 14, sealing ring II 15, sealing ring III 16, sealing ring IV 17, main spring 18, return spring 19, check-valves 20, check-valves
Bolt 21, O-ring I 22, O-ring II 23, locking bolt 24, oil inlet 25, oil outlet 26, overflow port 27 and fabrication hole 28.
Push rod cover for seat 2 is fixed on 1 end of main pump body by end cap, passes through 24 phase of locking bolt between end cap 6 and main pump body
Even, push-rod piston 8 is movable is located in push rod cover for seat 2, and push-rod piston is moved along push rod cover for seat axis direction, push-rod piston
Outer end is connected with the push rod on clutch pedal, and is equipped with dust cover 4 in the end of push rod cover for seat, prevents dust from entering push rod cover for seat
In.
The inner of push rod cover for seat 2 is located in main pump body, is equipped between the inner end edge of push rod cover for seat and the inner wall of main pump body
Sealing ring IV 17, is equipped with O-ring II 23 and sealing ring II 15 side by side between the inner wall and push-rod piston of push rod cover for seat.Main piston can
Move and be arranged in main pump body along the axis direction of main pump body, push-rod piston and main piston are oppositely arranged in main pump body, that is, are pushed away
One end of bar piston is corresponding with one end of main piston.
Main pump body 1 is equipped with oil inlet 25 and oil outlet 26 and overflow port 27, and oil inlet is set by end cover side, oil outlet
Set with overflow port by main pump body bottom；Oil inlet and oil outlet and overflow port on clutch power-assisted master cylinder are arranged side by side.It is main
Piston will be divided into power-assisted chamber and working chamber in main pump body, oil inlet is connected with power-assisted chamber, and oil outlet is connected with working chamber；It is main
Piston 3 is equipped with raised piston ring, is working chamber, pressure release valve seat opposite side and main pump between piston ring and pressure release valve seat side
Spill cavity is formed between body bottom, spill cavity is connected with overflow port.
The bottom of main pump body 1 is equipped with fabrication hole 28, is installed easy to parts in main pump body.Pressure release valve seat outer rim and main pump body
Inner wall between be equipped with sealing ring, sealing ring is equipped between the inner wall of pressure release valve seat and matched main piston end outer wall side by side
III 16 and O-ring I 22.
Pressure release valve seat 7 is equipped with the check-valves 20 for being used for supplementing hydraulic oil in working chamber, check-valves one end and working chamber phase
Connection, the check-valves other end are connected with overflow port, and check-valves is fixed on pressure release valve seat by check-valves bolt 21.
Pressure reducing valve is used to realize that power-assisted chamber is connected with overflow port when power-assisted cavity pressure is excessive, and pressure release valve seat is in main pump body
Interior main piston and pressure release valve seat are hollow structure between oil outlet and overflow port, and one end activity of main piston is positioned at letting out
In pressure valve seat one end, the pressure release valve seat other end is connected with overflow port, and main piston, which is equipped with, to be used to connect power-assisted chamber and main piston
Internal wing passage；Power-assisted chamber is connected with overflow port when pressure reducing valve is located at power-assisted air pump inoperative in main piston, and pressure reducing valve is with pushing away
Bar piston be connected power-assisted pump work when pressure reducing valve sealing main piston internal hollow channel.
Pressure reducing valve includes pressure reducing valve point 10 and pressure-relief valve spring 9 and hollow Pressure relief valve seat 5, and Pressure relief valve seat 5 is positioned at master
In piston, the stepped hole opposite with Pressure relief valve seat one end is equipped with main piston 3, pressure reducing valve point and pressure-relief valve spring are respectively positioned on decompression
In valve seat, pressure reducing valve point one end is connected with power-assisted chamber, the pressure reducing valve point other end be connected with pressure-relief valve spring and with pressure release valve seat
Communicate.
Main spring 18 is equipped between pressure release valve seat and main piston in working chamber, main spring one end is sleeved on main piston, main
The spring other end is sleeved on pressure release valve seat.Pressure relief valve seat is equipped with the annular groove being connected with wing passage, is equipped with and uses in annular groove
In the return spring 19 of Pressure relief valve seat return.
The Pressure relief valve seat bolt 11 of thread fitting is equipped with Pressure relief valve seat 5, through hole, through hole are equipped with Pressure relief valve seat bolt 11
One end is engaged with pressure reducing valve point, and the through hole other end is connected with power-assisted chamber.Push-rod piston is connected with Pressure relief valve seat, push-rod piston
It is equipped with Pressure relief valve seat connected end and realizes power-assisted chamber and the interface channel being connected inside Pressure relief valve seat.
The outer rim of the raised piston ring of main piston is equipped with sealing ring I 14, and main piston is equipped with hole shelves by push-rod piston end
12 and gasket 13, the inner of push-rod piston be equipped with hollow boss, thread fitting between hollow boss outer rim and Pressure relief valve seat inner wall.
One end of pressure reducing valve point 10 is cone point, and the other end of pressure reducing valve point is cylinder, and pressure-relief valve spring is sleeved on cylinder
On, Pressure relief valve seat bolt is engaged by external screw thread with the internal thread on Pressure relief valve seat inner wall, by adjusting Pressure relief valve seat bolt
Position in Pressure relief valve seat is adjusted the decrement of pressure-relief valve spring, is adjusted so as to depressurize threshold values.In power-assisted chamber
Hydraulic fluid pressure it is excessive when, hydraulic oil active force is acted on cone point, promotes the movement of pressure reducing valve point and Pressure relief valve seat spiral shell
The through hole separation of bolt, makes power-assisted chamber be connected with spill cavity, realizes decompression.
Electronics pressure reducing valve is not separately provided, but mechanical relief valve is integrated in the inside of boost pump, is occupied little space, nothing
Pipeline connection is needed to be easily installed, cost is greatly reduced in the past relatively.
Oil inlet is connected with the steering wheel overflow port of vehicle, and oil outlet is connected with clutch slave cylinder oil inlet oil return opening, clutch
The piston rod of wheel cylinder is connected with gearbox, and the overflow port of boost pump is connected with the hydraulic oil container of steering wheel.Clutch pedal is in just
Beginning, position was when being failure to actuate, and hydraulic oil passes through between the wing passage on power-assisted chamber, main piston and Pressure relief valve seat and main piston inner wall
Gap passes to overflow port.When clutch pedal acts, push-rod piston drives Pressure relief valve seat to be moved in main piston, and Pressure relief valve seat will be main
The internal hollow channel sealing of piston, enters power-assisted chamber high pressure oil by oil inlet and push-rod piston promotes main piston to move together
Dynamic, main piston extrudes the hydraulic oil in working chamber, and the hydraulic oil to refuel in working chamber works into clutch slave cylinder power-assisted.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implement and from
The limitation of aforesaid way, as long as employing the improvement of the various unsubstantialities of the design and technical solution progress of the utility model,
Or not improved the design of the utility model and technical solution are directly applied into other occasions, the guarantor in the utility model
Within the scope of shield.
Claims (6)
1. a kind of clutch force aid system, including clutch power-assisted master cylinder and clutch slave cylinder, the oil outlet of clutch power-assisted master cylinder and clutch
The oil inlet oil return opening of wheel cylinder is connected, and the piston of clutch power-assisted master cylinder is connected with clutch foot pedal, clutch slave cylinder and gearbox phase
Even, it is characterised in that：Further include the hydraulic oil container of steering wheel and steering wheel, the overflow port of steering wheel and clutch power-assisted master cylinder into
Hydraulic fluid port is connected, and the overflow port of clutch power-assisted master cylinder is connected with hydraulic oil container.
2. clutch force aid system as claimed in claim 1, it is characterised in that：Oil inlet on the clutch power-assisted master cylinder and fuel-displaced
Mouth and overflow port are arranged side by side.
3. clutch force aid system as claimed in claim 1, it is characterised in that：The clutch power-assisted master cylinder includes main pump body, main work
Plug, push-rod piston and push rod cover for seat, the ram seat are set in main pump body end, and the push-rod piston and main piston are in main pump
It is oppositely arranged in body, the main pump body is equipped with oil inlet and oil outlet and overflow port, and main piston will be divided into main pump body to be helped
Power chamber and working chamber, oil inlet are connected with power-assisted chamber, and oil outlet is connected with working chamber, further include pressure release valve seat and power-assisted chamber
Realize the pressure reducing valve that power-assisted chamber is connected with overflow port when pressure is excessive, the pressure release valve seat in main pump body positioned at oil outlet and
Between overflow port, the main piston and pressure release valve seat are hollow structure, and one end activity of main piston is located at relief valve seat one end
In, the pressure release valve seat other end is connected with overflow port, and main piston is equipped with the side for being used for connecting inside power-assisted chamber and main piston and leads to
Road；Power-assisted chamber is connected with overflow port when pressure reducing valve is located at power-assisted air pump inoperative in main piston, and pressure reducing valve is connected with push-rod piston
Pressure reducing valve seals main piston internal hollow channel during power-assisted pump work.
4. clutch force aid system as claimed in claim 3, it is characterised in that：The pressure reducing valve includes pressure reducing valve point and pressure reducing valve bullet
Spring and hollow Pressure relief valve seat, the Pressure relief valve seat are located in main piston, are equipped with main piston opposite with Pressure relief valve seat one end
Stepped hole, pressure reducing valve point and pressure-relief valve spring is respectively positioned in Pressure relief valve seat, pressure reducing valve point one end is connected with power-assisted chamber, depressurize
The valve point other end is connected with pressure-relief valve spring and is communicated with pressure release valve seat.
5. clutch force aid system as claimed in claim 3, it is characterised in that：The pressure release valve seat, which is equipped with, to be used to supplement working chamber
The check-valves of interior hydraulic oil, check-valves one end are connected with working chamber, and the check-valves other end is connected with overflow port.
6. clutch force aid system as claimed in claim 3, it is characterised in that：The main piston is equipped with raised piston ring, living
It is working chamber between plug ring and pressure release valve seat side, spill cavity, overflow is formed between pressure release valve seat opposite side and main pump body bottom
Chamber is connected with overflow port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721298927.3U CN207261508U (en) | 2017-10-10 | 2017-10-10 | Clutch force aid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721298927.3U CN207261508U (en) | 2017-10-10 | 2017-10-10 | Clutch force aid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261508U true CN207261508U (en) | 2018-04-20 |
Family
ID=61916863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721298927.3U Active CN207261508U (en) | 2017-10-10 | 2017-10-10 | Clutch force aid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443356A (en) * | 2018-04-28 | 2018-08-24 | 芜湖稳乐制动系统有限公司 | Clutch power-assisted master cylinder |
-
2017
- 2017-10-10 CN CN201721298927.3U patent/CN207261508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443356A (en) * | 2018-04-28 | 2018-08-24 | 芜湖稳乐制动系统有限公司 | Clutch power-assisted master cylinder |
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