CN205618577U - Take clutch master cylinder of overflow valve - Google Patents
Take clutch master cylinder of overflow valve Download PDFInfo
- Publication number
- CN205618577U CN205618577U CN201620299404.XU CN201620299404U CN205618577U CN 205618577 U CN205618577 U CN 205618577U CN 201620299404 U CN201620299404 U CN 201620299404U CN 205618577 U CN205618577 U CN 205618577U
- Authority
- CN
- China
- Prior art keywords
- master cylinder
- clutch master
- overflow valve
- carry potential
- potential overflow
- 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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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to a take clutch master cylinder of overflow valve, it includes hydraulic pressure action part and overflow valve part, the hydraulic pressure action part includes that the pump body (1), return spring (2), piston (3), main leather collar (4), vice leather collar (6), push rod (10), push rod fork subassembly (12) and oil feed connect (14). The top of the pump body (1) is equipped with the boss, and the center part of this boss opens has a round hole, and this round hole communicates with main pump working chamber (25) of the pump body (1), the top of boss is opened flutedly, is equipped with steel wire retainer ring (18), shell fragment (19) and rectangular seal ring (20) in this recess, and the top of this recess is with covering baffle (17). The utility model discloses a clutch master cylinder has increased the overflow valve on the basis of conventional clutch master cylinder, can absorb the vibration ripples that transmits hydraulic system from the separation and reunion pressure disk, makes the separation and reunion performance more stable, has improved return speed.
Description
Technical field
This utility model relates to automobile clutch technical field, in particular to the clutch master cylinder of a kind of carry potential overflow valve.
Background technology
The function of clutch master cylinder is the most single at present, and hydraulic vibration ripple is relatively big, and vehicle runs over and rushes less stable.
Such as Authorization Notice No. is the Chinese invention patent of CN 103629267 B, it discloses a kind of hydro-viscous speed governing clutch energy-saving hydraulic system, including lubricating oil supply system and control oil supply system.Oil in lubricating oil supply system loop enters hydro-viscous speed governing clutch lubricating oil oil-in after coarse filter, grease pump, overflow valve, flow speed control valve, cooler, then through effusion meter oil sump tank.Control the oil in oil supply system loop after coarse filter, control oil pump, fine filter, electricity liquid ratio relief valve, two-position two-way solenoid valve, to enter hydro-viscous speed governing clutch control pressure oil entrance and enter oil cylinder.The present invention is applicable to the stepless time adjustment of large fan, water pump, on the premise of satisfied use requires, greatly simplify system, system structure is made to obtain depth optimization, control accuracy is higher, save design and manufacture cost, reached purpose that is energy-saving and cost-reducing and that reduce cost, there is use value widely.But the clutch function in this hydraulic system is the most single, the less stable of work.
Utility model content
In order to solve the above-mentioned technological deficiency that prior art exists, the purpose of this utility model is to provide the clutch master cylinder of a kind of carry potential overflow valve, the clutch master cylinder of carry potential overflow valve of the present utility model adds structure of relief valve on normal clutch master cylinder, solves the problem such as less stable in prior art.
In order to realize above-mentioned purpose of design, the scheme that this utility model uses is as follows:
A kind of clutch master cylinder of carry potential overflow valve, it includes hydraulic part and overflow portion, hydraulic part includes the pump housing, return spring, piston, main apron, secondary apron, push rod, push rod fork assembly and fuel inlet fitting, described spill valve portion is positioned at the top of the pump housing, and spill valve portion includes elastic spring, shell fragment, rectangular seal and baffle plate.On the basis of normal clutch master cylinder, add the structure of overflow valve, the vibration wave being delivered to hydraulic system at clutch platen can be absorbed, make disengaging performance stable.
Driver promotes the piston of clutch master cylinder by handling clutch pedal, makes to set up in clutch master cylinder hydraulic pressure, and hydraulic pressure changes into motive force and promotes separation fork in being delivered to clutch slave cylinder by pipeline, it is achieved the separation of clutch.Whole process is changed into hydraulic pressure by pedal force and changes into thrust again, and the element such as clutch master cylinder, wheel cylinder and fluid pressure line achieves the function of transmission power.The effect of clutch master cylinder is that pedal force changes into hydraulic pressure, and the clutch master cylinder of carry potential overflow valve functionally adds the effect absorbing hydraulic pressure vibration wave, enhances job stability, improves the service behaviours such as seating velocity.Clutch master cylinder of the present utility model is applicable to the hydraulic clutch system of all vehicles, is particularly suitable for comfortableness and requires higher passenger car clutch system.
Preferably, the top of the described pump housing is provided with boss, and the centre of this boss has a circular hole, and this circular hole connects with the main pump working chamber of the pump housing.
In any of the above-described scheme preferably, the top of described boss has groove, and elastic spring, shell fragment and rectangular seal are placed in groove.Shell fragment uses to be had high intensity, high tenacity, has the corrosion resistant plate material of certain corrosion resistance, unload unload in the case of can be completely recovered to original state.
In any of the above-described scheme preferably, described groove is closed by baffle plate.
In any of the above-described scheme preferably, described baffle plate is bolted, or is fixed by hole back-up ring, elastic spring, or by fixing that flange rivets.
In any of the above-described scheme preferably, described shell fragment is between elastic spring and rectangular seal.
In any of the above-described scheme preferably, between described shell fragment and the bottom of groove, form overflow valve working chamber, and the space for shell fragment deformation is left in the both sides of groove.
In any of the above-described scheme preferably, the front end of the described pump housing has oil outlet.
In any of the above-described scheme preferably, described fuel inlet fitting is connected with feed tube by clip.
In any of the above-described scheme preferably, described fuel inlet fitting is connected by adapter sleeve and the pump housing are fixing.
In any of the above-described scheme preferably, the described pump housing has compensation hole near the lower section of adapter sleeve.
In any of the above-described scheme preferably, the outside of the described pump housing is provided with installation liner.
In any of the above-described scheme preferably, described push rod and pump housing connecting portion are provided with dust cover.
In any of the above-described scheme preferably, the end of described push rod is provided with back-up ring and hole back-up ring.
In any of the above-described scheme preferably, described push rod is connected by nut with push rod fork assembly.
The clutch master cylinder of carry potential overflow valve the most of the present utility model have the advantage that master cylinder adds structure of relief valve, shell fragment it is provided with in structure of relief valve, functionally add the effect absorbing hydraulic pressure vibration wave, enhance job stability, improve the service behaviours such as seating velocity；Baffle plate on structure of relief valve can be fixed by screw, bolt, or is fixed by hole back-up ring, elastic spring, or fixing by flange riveting.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the clutch master cylinder according to carry potential overflow valve of the present utility model.
Fig. 2 is the side view of the embodiment illustrated in fig. 1 middle pump body assembly of the clutch master cylinder according to carry potential overflow valve of the present utility model.
Fig. 3 be the clutch master cylinder according to carry potential overflow valve of the present utility model embodiment illustrated in fig. 1 in the first mounting structure schematic diagram of spill valve.
Fig. 4 be the clutch master cylinder according to carry potential overflow valve of the present utility model embodiment illustrated in fig. 1 in the second mounting structure schematic diagram of spill valve.
Fig. 5 be the clutch master cylinder according to carry potential overflow valve of the present utility model embodiment illustrated in fig. 1 in the third mounting structure schematic diagram of spill valve.
Detailed description of the invention
That the following description is substantially merely exemplary and be not intended to limit the disclosure, application or purposes.Below in conjunction with Figure of description, the detailed description of the invention of the clutch master cylinder of this utility model carry potential overflow valve is further described.
As shown in Figure 1, Figure 2, for the structural representation of a preferred embodiment of the clutch master cylinder according to carry potential overflow valve of the present utility model.In the present embodiment, the clutch master cylinder of carry potential overflow valve of the present utility model, it includes hydraulic part and overflow portion, hydraulic part includes the pump housing 1, return spring 2, piston 3, main apron 4, secondary apron 6, push rod 10, push rod fork assembly 12 and fuel inlet fitting 14, described spill valve portion is positioned at the top of the pump housing 1, and spill valve portion includes elastic spring 18, shell fragment 19, rectangular seal 20 and baffle plate 17.On the basis of normal clutch master cylinder, add the structure of overflow valve, the vibration wave being delivered to hydraulic system at clutch platen can be absorbed, make disengaging performance stable.
The operation principle according to the clutch master cylinder embodiment of carry potential overflow valve of the present utility model shown in Fig. 1 and Fig. 2 is: before work, the liquid in oil storage cup flows into through feed tube 21, fuel inlet fitting 14, and hydraulic oil is full of the whole cavity of main pump working chamber 25.During clutch master cylinder work, driver is by handling clutch pedal, through certain lever ratio, pedal force is delivered on push rod fork assembly 12, overcoming the elastic force of return spring 2, drive the push rod 10 of connection fixed thereto, push rod 10 promotes piston 3 axially-movable, when piston 3 is with main apron 4 more overcompensation hole 23, the part such as the pump housing 1, return spring 2, main apron 4, piston 3, spill valve defines a closing chamber communicated with liquid outlet 22.During piston 3 continues to move to main apron 4, the volume of this closing intracavity tapers into, and intracavity liquid pressure is gradually increased, and forces liquid to flow to fluid pressure line from liquid outlet 22, it is achieved to set up hydraulic function.
Meanwhile, owing to change speed gear box exists unstable vibration factor, this vibration wave can pass through clutch separation platen, clutch slave cylinder or clutch separation cylinder through hydraulic clutch pipeline, it is delivered to clutch master cylinder, when the shell fragment 19 of overflow valve is after receiving vibration wave, elastic deformation can be produced, thus absorb the vibration wave of this instability, avoid vibration factor and be delivered to clutch pedal, improve the comfortableness driven.The whole work process of clutch master cylinder of the present utility model is that the thrust of pedal is changed into hydraulic energy, is delivered to clutch slave cylinder, promotes fork to change into mechanical energy, thus realizes the separation of clutch.
In the present embodiment, the top of the described pump housing 1 is provided with boss, and the centre of this boss has a circular hole, and this circular hole connects with the main pump working chamber 25 of the pump housing 1.
In the present embodiment, the top of described boss has groove, and elastic spring 18, shell fragment 19 and rectangular seal 20 are placed in this groove.Shell fragment 19 uses to be had high intensity, high tenacity, has the corrosion resistant plate material of certain corrosion resistance, unload unload in the case of can be completely recovered to original state.
In the present embodiment, described groove is closed by baffle plate 17.
In the present embodiment, described shell fragment 19 is between elastic spring 18 and rectangular seal 20.
In the present embodiment, between described shell fragment 19 and the bottom of groove, form overflow valve working chamber 24, and the space for shell fragment 19 deformation is left in the both sides of groove.
In the present embodiment, the front end of the described pump housing 1 has oil outlet 22.
In the present embodiment, described fuel inlet fitting 14 is connected with feed tube 21 by clip 15.
In the present embodiment, described fuel inlet fitting 14 is connected by adapter sleeve 13 is fixing with the pump housing 1.
In the present embodiment, the described pump housing 1 has compensation hole 23 near the lower section of adapter sleeve 13.
In the present embodiment, the outside of the described pump housing 1 is provided with installation liner 5.
In the present embodiment, described push rod 10 is provided with dust cover 7 with the pump housing 1 connecting portion.
In the present embodiment, the end of described push rod 10 is provided with back-up ring 8 and hole back-up ring 9.
In the present embodiment, described push rod 10 is connected by nut 11 with push rod fork assembly 12.
In this utility model, the baffle plate 17 in structure of relief valve is fixed by three kinds of modes.
As it is shown on figure 3, according to the first mounting structure schematic diagram of spill valve in the embodiment illustrated in fig. 1 of the clutch master cylinder of carry potential overflow valve of the present utility model.
Baffle plate 17 is fixed on the top of groove by screw, bolt 16, and shell fragment 19 is placed in groove, and the top of shell fragment 19 is carried out spacing by elastic spring 18, and lower section is supported by rectangular seal 20, this mounting structure easy to assembly simply.
Such as the second mounting structure schematic diagram of spill valve in embodiment illustrated in fig. 1 that Fig. 4 is the clutch master cylinder according to carry potential overflow valve of the present utility model.
Installing a hole back-up ring at the top of groove additional and be fixed baffle plate 17, the lower section of baffle plate 17 is supported by elastic spring 18, this mounting structure easy to assembly simply.
Fig. 5 be the clutch master cylinder according to carry potential overflow valve of the present utility model embodiment illustrated in fig. 1 in the third mounting structure schematic diagram of spill valve.
The top of overflow valve working chamber carries out flange design, and baffle plate 17 is fixed in being placed in groove by the way of riveting.
The clutch master cylinder of carry potential overflow valve the most of the present utility model have the advantage that master cylinder adds structure of relief valve, shell fragment 19 it is provided with in structure of relief valve, functionally add the effect absorbing hydraulic pressure vibration wave, enhance job stability, improve the service behaviours such as seating velocity；Baffle plate 17 on structure of relief valve can be fixed by screw, bolt, or is fixed by hole back-up ring, elastic spring, or fixing by flange riveting.
It will be apparent to those skilled in the art that the clutch master cylinder of carry potential overflow valve of the present utility model includes the combination in any of each several part in this specification.As space is limited and in order to make description simple and clear, these combinations are not discussed in detail one by one at this, but after having seen this specification, the scope of the present utility model that the combination in any of each several part being made up of this specification is constituted is the most self-evident.
Claims (15)
1. the clutch master cylinder of a carry potential overflow valve, it includes hydraulic part and spill valve portion, hydraulic part includes the pump housing (1), return spring (2), piston (3), main apron (4), secondary apron (6), push rod (10), push rod fork assembly (12) and fuel inlet fitting (14), it is characterized in that: spill valve portion is positioned at the top of the pump housing (1), spill valve portion includes elastic spring (18), shell fragment (19), rectangular seal (20) and baffle plate (17).
2. the clutch master cylinder of carry potential overflow valve as claimed in claim 1, it is characterised in that: the top of the pump housing (1) is provided with boss, and the centre of this boss has a circular hole, and this circular hole connects with the main pump working chamber (25) of the pump housing (1).
3. the clutch master cylinder of carry potential overflow valve as claimed in claim 2, it is characterised in that: the top of boss has groove, and elastic spring (18), shell fragment (19) and rectangular seal (20) are placed in this groove.
4. the clutch master cylinder of carry potential overflow valve as claimed in claim 3, it is characterised in that: groove is closed by baffle plate (17).
5. the clutch master cylinder of the carry potential overflow valve as described in claim 1 or 4, it is characterised in that: baffle plate (17) is fixed by bolt (16), or is fixed by hole back-up ring, elastic spring, or by fixing that flange rivets.
6. the clutch master cylinder of the carry potential overflow valve as described in claim 1 or 3, it is characterised in that: shell fragment (19) is positioned between elastic spring (18) and rectangular seal (20).
7. the clutch master cylinder of the carry potential overflow valve as described in claim 1 or 3, it is characterised in that: form overflow valve working chamber (24) between shell fragment (19) and the bottom of groove, and the space deformed for shell fragment (19) is left in the both sides of groove.
8. the clutch master cylinder of carry potential overflow valve as claimed in claim 1, it is characterised in that: the front end of the pump housing (1) has oil outlet (22).
9. the clutch master cylinder of carry potential overflow valve as claimed in claim 1, it is characterised in that: fuel inlet fitting (14) is connected with feed tube (21) by clip (15).
10. the clutch master cylinder of carry potential overflow valve as claimed in claim 1, it is characterised in that: fuel inlet fitting (14) is connected by adapter sleeve (13) and the pump housing (1) are fixing.
The clutch master cylinder of 11. carry potential overflow valves as claimed in claim 1, it is characterised in that: the pump housing (1) has compensation hole (23) near the lower section of adapter sleeve (13).
The clutch master cylinder of 12. carry potential overflow valves as claimed in claim 1, it is characterised in that: the outside of the pump housing (1) is provided with installation liner (5).
The clutch master cylinder of 13. carry potential overflow valves as claimed in claim 1, it is characterised in that: push rod (10) and the pump housing (1) connecting portion are provided with dust cover (7).
The clutch master cylinder of the 14. carry potential overflow valves as described in claim 1 or 13, it is characterised in that: the end of push rod (10) is provided with back-up ring (8) and hole back-up ring (9).
The clutch master cylinder of 15. carry potential overflow valves as claimed in claim 1, it is characterised in that: push rod (10) is connected by nut (11) with push rod fork assembly (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299404.XU CN205618577U (en) | 2016-04-12 | 2016-04-12 | Take clutch master cylinder of overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299404.XU CN205618577U (en) | 2016-04-12 | 2016-04-12 | Take clutch master cylinder of overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618577U true CN205618577U (en) | 2016-10-05 |
Family
ID=57029364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620299404.XU Expired - Fee Related CN205618577U (en) | 2016-04-12 | 2016-04-12 | Take clutch master cylinder of overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763300A (en) * | 2016-12-16 | 2017-05-31 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Clutch atmospheric control |
-
2016
- 2016-04-12 CN CN201620299404.XU patent/CN205618577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763300A (en) * | 2016-12-16 | 2017-05-31 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Clutch atmospheric control |
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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: 20161005 Termination date: 20190412 |