CN106949174A - Clutch master cylinder - Google Patents
Clutch master cylinder Download PDFInfo
- Publication number
- CN106949174A CN106949174A CN201710249159.0A CN201710249159A CN106949174A CN 106949174 A CN106949174 A CN 106949174A CN 201710249159 A CN201710249159 A CN 201710249159A CN 106949174 A CN106949174 A CN 106949174A
- Authority
- CN
- China
- Prior art keywords
- master cylinder
- resorption
- cavity
- medium
- core assembly
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0221—Valves for clutch control systems; Details thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a kind of clutch master cylinder, it includes being provided with master cylinder chamber, epicoele, cavity of resorption and medium delivery port in cylinder body and core assembly, the cylinder body, and the epicoele is connected with medium delivery port, and the cavity of resorption is connected with the master cylinder chamber；The core assembly slide fit is in cylinder body, elastic recovery component is provided between the core assembly and the cylinder body, the epicoele and the cavity of resorption, which are acted on, to be provided with into medium channel, time medium channel on the core assembly, the core assembly and is located at into the isolated part for being used to disconnect the path between the master cylinder chamber and medium delivery port between medium channel and time medium channel and in the moving process of core assembly.The present invention can be segmented the pressure of adjustment output when clutch is engaged, so that clutch principal and subordinate disk engagement spot speed is slow, the engagement of other stage clutches is constant.
Description
Technical field
The present invention relates to a kind of clutch master cylinder, belong to technical field of automobile parts.
Background technology
At present, clutch master cylinder is also referred to as clutch master cylinder, and its main function is the pressure for setting up liquid in clutch pipeline
Power, and transmit to each clutch slave cylinder.Clutch slave cylinder produce thrust, promote disengaging yoke separation clutch master with
From disk.When clutch is engaged, as pedal retracts, clutch master cylinder pressure is reduced, and power reduces on disengaging yoke, and clutch is gradually
Engagement, but in the moment of engagement, clutch contact velocity is too fast, easily produces impact, and the starting stage causes engine
It is flame-out.
The content of the invention
The technical problems to be solved by the invention are to overcome the defect of prior art there is provided a kind of clutch master cylinder, it
When clutch is engaged, the pressure of adjustment output can be segmented, so that clutch principal and subordinate disk engagement spot speed is slow, other stages
Clutch engagement is constant.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of clutch master cylinder, it includes：
Master cylinder chamber, epicoele, cavity of resorption and medium delivery port are provided with cylinder body, the cylinder body, the epicoele is conveyed with medium
Mouth is connected, and the cavity of resorption is connected with the master cylinder chamber；
Core assembly, the core assembly slide fit is provided with bullet in cylinder body between the core assembly and the cylinder body
Property reply component, the epicoele and the cavity of resorption act on be provided with the core assembly, the core assembly it is logical into medium
Road, return medium channel and be located at into medium channel and return medium channel between and in the moving process of core assembly be used for break
Open the isolated part of the path between the master cylinder chamber and medium delivery port；When the pressure of master cylinder chamber is more than the medium delivery port
Pressure, and the core assembly under the collective effect of the pressure of epicoele, the pressure of cavity of resorption and elastic recovery component in cylinder
When in vivo to epicoele side shifting, the master cylinder chamber is connected by entering at least a portion of medium channel with medium delivery port；Work as master
The pressure of cylinder chamber is less than the pressure and the core assembly of the medium delivery port in the pressure of epicoele, the pressure of cavity of resorption and bullet
Property reply component collective effect under in cylinder body to cavity of resorption side shifting when, the master cylinder chamber pass through return medium channel at least one
Part is connected with medium delivery port.
A kind of concrete structure of core assembly is further provided, the core assembly has valve element, is connected on valve element
Medium interaction in the upper impeller at end and the lower impeller for being connected to valve element lower end, the upper impeller and epicoele, institute
State the medium interaction in lower impeller and cavity of resorption, it is described enter medium channel, described time medium channel and the isolated part
It is arranged on valve element.
A kind of concrete structure of elastic recovery component is further provided, the elastic recovery component includes being enclosed within the valve
Upper spring on core, one end and the upper impeller of the upper spring offset, and the other end of the upper spring offsets with cylinder body.
Further, the elastic recovery component also includes the lower spring being enclosed within the valve element, one end of the lower spring
Offseted with lower impeller, the other end and the cylinder body of the lower spring offset.
Further provide and be provided with epicoele on the structure that a kind of medium delivery port is connected with the epicoele, the cylinder body
Passage, the medium delivery port is connected by the upper chamber passage with the epicoele.
Further provide and be provided with cavity of resorption passage, institute on the structure that a kind of master cylinder chamber is connected with cavity of resorption, the cylinder body
Master cylinder chamber is stated by the cavity of resorption passage with the cavity of resorption to be connected.
Further, clutch master cylinder also includes piston and master cylinder push rod component, the master cylinder push rod component and the piston
It is connected, the piston is stretched into the master cylinder chamber, and the piston is together with the medium interaction in the master cylinder chamber.
Further, the cylinder body is additionally provided with into media port, it is described enter media port be connected by piston with the master cylinder chamber
Lead to or be spaced.
Further, master cylinder cover is installed on the cylinder body, the master cylinder push rod component pass through after the master cylinder cover with it is described
Piston is connected.
Employ after above-mentioned technical proposal, master cylinder push rod components drive piston produces high pressure in master cylinder chamber, pressure passes through
Cavity of resorption channel transfer is to cavity of resorption, because epicoele is connected with medium delivery port, so now, because the pressure of epicoele is less than cavity of resorption
Pressure, valve element overcomes the effect of elastic force to move up, and enters medium channel and slowly opens, and pressure is conveyed from medium channel input medium is entered
Mouthful, then clutch slave cylinder generation thrust is transferred to, when loine pressure is balanced, the pressure of epicoele and cavity of resorption is equal, valve element return,
Now enter medium channel closing, return medium channel and open small part or do not open, when the clutch is engaged, clutch pedal power subtracts
Small, master cylinder push rod power also reduces, and master cylinder pressure is reduced rapidly, and pressure can not be reduced by valve element with master cylinder pressure in pipeline, because
This, the pressure of epicoele is more than the pressure of cavity of resorption, and valve element starts to move down, and returns medium channel and is gradually opened, clutch circuit pressure by
It is gradually equal with master cylinder cavity pressure, it thus can just start to reduce engaging speed during engagement in clutch, reduce clutch and connect
The impact produced during conjunction, improves clutch stability.
Brief description of the drawings
Fig. 1 is in the structural representation of poised state for the clutch master cylinder of the present invention；
Fig. 2 is in the structural representation into medium state for the clutch master cylinder of the present invention；
Fig. 3 is in back the structural representation of medium state for the clutch master cylinder of the present invention.
Embodiment
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail.
As shown in Figures 1 to 3, a kind of clutch master cylinder, it includes：
Master cylinder chamber 31, epicoele 32, cavity of resorption 33 and medium delivery port 34, the epicoele are provided with cylinder body 3, the cylinder body 3
32 are connected with medium delivery port 34, and the cavity of resorption 33 is connected with the master cylinder chamber 31；
Core assembly, the core assembly slide fit is provided with cylinder body 3 between the core assembly and the cylinder body 3
Elastic recovery component, the epicoele 32 and the cavity of resorption 33 act on be provided with the core assembly, the core assembly into
Medium channel 51, return medium channel 52 and be located at into medium channel 51 and return medium channel 52 between and in the shifting of core assembly
It is used for the isolated part for disconnecting the path between the master cylinder chamber 31 and medium delivery port 34 during dynamic；When the pressure of master cylinder chamber 31
Power is more than the pressure of the medium delivery port 34, and the core assembly is in the pressure of epicoele 32, the pressure and bullet of cavity of resorption 33
Property when replying under the collective effect of component in the cylinder body 3 to 32 side shifting of epicoele, the master cylinder chamber 31 is by entering medium channel 51
At least a portion connected with medium delivery port 34；When master cylinder chamber 31 pressure be less than the medium delivery port 34 pressure and
The core assembly under the collective effect of the pressure, the pressure of cavity of resorption 33 and elastic recovery component of epicoele 32 in the cylinder body 3 to
During 33 side shifting of cavity of resorption, the master cylinder chamber 31 is connected by returning at least a portion of medium channel 52 with medium delivery port 34.
As shown in Figures 1 to 3, the core assembly has valve element 5, the upper impeller for being connected to the upper end of valve element 5 and is connected to
Medium interaction in the lower impeller of the lower end of valve element 5, the upper impeller and epicoele 32, the lower impeller and cavity of resorption 33
Interior medium interaction, it is described enter medium channel 51, described time medium channel 52 and the isolated part be arranged at valve element 5
On.
As shown in Figures 1 to 3, the elastic recovery component includes the upper spring 61 being enclosed within the valve element 5, the upper spring
61 one end offsets with upper impeller, and the other end of the upper spring 61 offsets with cylinder body 3.
As shown in Figures 1 to 3, the elastic recovery component also includes the lower spring 62 being enclosed within the valve element 5, the lower bullet
One end of spring 62 offsets with lower impeller, and the other end and the cylinder body 3 of the lower spring 62 offset.
As shown in Figures 1 to 3, upper chamber passage 35 is provided with the cylinder body 3, the medium delivery port 34 passes through the epicoele
Passage 35 is connected with the epicoele 32.
As shown in Figures 1 to 3, cavity of resorption passage 36 is provided with the cylinder body 3, the master cylinder chamber 31 passes through the cavity of resorption passage
36 are connected with the cavity of resorption 33.
As shown in Figures 1 to 3, clutch master cylinder also includes piston 4 and master cylinder push rod component 1, the master cylinder push rod component 1 with
The piston 4 is connected, and the piston 4 is stretched into the master cylinder chamber 31, and the piston 4 and the medium in the master cylinder chamber 31
Interaction is together.
As shown in Figures 1 to 3, the cylinder body 3 is additionally provided with into media port 37, it is described enter media port 37 pass through piston 4 and institute
Master cylinder chamber 31 is stated to be connected or be spaced.
As shown in Figures 1 to 3, master cylinder cover 2 is installed, the master cylinder push rod component 1 passes through the master cylinder cover on the cylinder body 3
It is connected after 2 with the piston 4.
The operation principle of the present invention is as follows：
Clutch pedal is stepped on, and master cylinder push rod component 1 advances, and after the closing of media port 37 is entered, master cylinder chamber 31 starts to build pressure,
Pressure is exported by returning medium channel 52 and cavity of resorption passage 36, because chamber passage 36 is effectively logical with diameter greater than time medium channel 52
Road, and object output volume is different, so cavity of resorption pressure ratio upper cavity pressure is high, valve element 5 overcomes spring force to move up, and returns medium channel
52 thoroughly close, and master enters medium channel 51 and opened, and the pressure output of master cylinder chamber 31 completes point of clutch into clutch slave cylinder
From such as Fig. 2；
When clutch pedal reaches range, the pressure of master cylinder chamber 31 reaches maximum, now the lateral pressure phase of valve element 5 or so
Deng epicoele 32 is equal with the pressure of cavity of resorption 33, and valve element 5 returns to equilbrium position, as shown in Figure 1.
When clutch is engaged, pedal force is gradually reduced, and the main power of master cylinder push rod component 1 is moved after reducing, and medium delivery port 34 is pressed
Power is constant, and the pressure of master cylinder 31 reduction, the pressure of epicoele 32 is equal with the pressure of medium delivery port 34, cavity of resorption 33 and the pressure of master cylinder 31
Equal, the pressure of epicoele 32 is more than the pressure of cavity of resorption 33, when the pressure difference value between the pressure of epicoele 32 and the pressure of cavity of resorption 33 is enough to overcome
During spring force, valve element 5 starts to move down, and returns medium channel 52 and slowly opens, as shown in figure 3, when valve element 5 is moved down to a certain extent,
Return medium channel 52 to open completely, the lateral pressure of valve element 5 or so is equal, and valve element 5 resets, now clutch principal and subordinate disk to connect completely
Touch, clutch compressing disc is fastened rapidly.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effect carry out
It is further described, should be understood that the specific embodiment that the foregoing is only the present invention, is not limited to this
Invention, within the spirit and principles of the invention, any modifications, equivalent substitutions and improvements done etc. should be included in this hair
Within bright protection domain.
Claims (9)
1. a kind of clutch master cylinder, it is characterised in that it includes：
Master cylinder chamber (31), epicoele (32), cavity of resorption (33) and medium delivery port (34) are provided with cylinder body (3), the cylinder body (3),
The epicoele (32) is connected with medium delivery port (34), and the cavity of resorption (33) is connected with the master cylinder chamber (31)；
Core assembly, the core assembly slide fit is provided with cylinder body (3) between the core assembly and the cylinder body (3)
Elastic recovery component, the epicoele (32) and the cavity of resorption (33) are acted on the core assembly, the core assembly and set
Have into medium channel (51), return medium channel (52) and be located at between medium channel (51) and time medium channel (52) and
It is used for the isolation part for disconnecting the path between the master cylinder chamber (31) and medium delivery port (34) in the moving process of core assembly
Point；When pressure of the pressure more than the medium delivery port (34) of master cylinder chamber (31), and the core assembly is in epicoele (32)
Pressure, the pressure of cavity of resorption (33) and the collective effect of elastic recovery component under in the cylinder body (3) to epicoele (32) side shifting when,
The master cylinder chamber (31) is connected by entering at least a portion of medium channel (51) with medium delivery port (34)；When master cylinder chamber (31)
Pressure be less than the pressure and the core assembly of the medium delivery port (34) in the pressure of epicoele (32), cavity of resorption (33)
Under the collective effect of pressure and elastic recovery component in the cylinder body (3) to cavity of resorption (33) side shifting when, the master cylinder chamber (31) is led to
At least a portion for crossing back medium channel (52) is connected with medium delivery port (34).
2. clutch master cylinder according to claim 1, it is characterised in that：The core assembly has valve element (5), is connected to
In the upper impeller of valve element (5) upper end and the lower impeller for being connected to valve element (5) lower end, the upper impeller and epicoele (32)
Medium interaction in medium interaction, the lower impeller and cavity of resorption (33), it is described enter medium channel (51), described time
Medium channel (52) and the isolated part are arranged on valve element (5).
3. clutch master cylinder according to claim 2, it is characterised in that：The elastic recovery component includes being enclosed within the valve
Upper spring (61) on core (5), one end of the upper spring (61) offsets with upper impeller, the other end of the upper spring (61)
Offseted with cylinder body (3).
4. the clutch master cylinder according to Claims 2 or 3, it is characterised in that：The elastic recovery component also includes being enclosed within
Lower spring (62) on the valve element (5), one end and the lower impeller of the lower spring (62) offset, the lower spring (62)
The other end offsets with cylinder body (3).
5. clutch master cylinder according to claim 1, it is characterised in that：Upper chamber passage is provided with the cylinder body (3)
(35), the medium delivery port (34) is connected by the upper chamber passage (35) with the epicoele (32).
6. clutch master cylinder according to claim 1, it is characterised in that：Cavity of resorption passage is provided with the cylinder body (3)
(36), the master cylinder chamber (31) is connected by the cavity of resorption passage (36) with the cavity of resorption (33).
7. clutch master cylinder according to claim 1, it is characterised in that：It also includes piston (4) and master cylinder push rod component
(1), the master cylinder push rod component (1) is connected with the piston (4), and the piston (4) is stretched into the master cylinder chamber (31), and
The piston (4) is together with the medium interaction in the master cylinder chamber (31).
8. clutch master cylinder according to claim 7, it is characterised in that：The cylinder body (3) is additionally provided with into media port
(37), it is described enter media port (37) be connected or be spaced with the master cylinder chamber (31) by piston (4).
9. clutch master cylinder according to claim 7, it is characterised in that：Master cylinder cover (2) is installed on the cylinder body (3),
The master cylinder push rod component (1) is connected with the piston (4) afterwards through the master cylinder cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249159.0A CN106949174B (en) | 2017-04-17 | 2017-04-17 | Clutch master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249159.0A CN106949174B (en) | 2017-04-17 | 2017-04-17 | Clutch master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949174A true CN106949174A (en) | 2017-07-14 |
| CN106949174B CN106949174B (en) | 2022-11-15 |
Family
ID=59475984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710249159.0A Active CN106949174B (en) | 2017-04-17 | 2017-04-17 | Clutch master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949174B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248594A (en) * | 1967-12-11 | 1971-10-06 | Int Harvester Co | Improvements in or relating to vehicles having forward-reverse drive control |
| EP0270242A2 (en) * | 1986-11-04 | 1988-06-08 | Deere & Company | Two stage brake control valve |
| EP0728087A1 (en) * | 1993-11-10 | 1996-08-28 | Lucas Industries Public Limited Company | Hydraulic master cylinder |
| CN201086705Y (en) * | 2007-09-29 | 2008-07-16 | 傅强 | Master pump structure |
| DE102010036170A1 (en) * | 2009-09-24 | 2011-03-31 | Schaeffler Technologies Gmbh & Co. Kg | Master cylinder i.e. main cylinder, for actuating hydraulic brake or clutch in motor vehicle, has blocking element integrated in feed connection which is released by blocking element while reducing fluid pressure |
| CN203111165U (en) * | 2013-03-23 | 2013-08-07 | 牛国亮 | Automobile hydraulic brake device |
| CN203130851U (en) * | 2013-01-28 | 2013-08-14 | 周维亭 | Hydraulic braking master pump |
| CN103373333A (en) * | 2012-04-30 | 2013-10-30 | 株式会社万都 | Master cylinder for brake systems |
| CN104963960A (en) * | 2015-06-18 | 2015-10-07 | 奇瑞汽车股份有限公司 | Automobile clutch master cylinder |
| CN205605680U (en) * | 2016-05-09 | 2016-09-28 | 常州机电职业技术学院 | Friction limit square clutch |
| CN206694470U (en) * | 2017-04-17 | 2017-12-01 | 常州机电职业技术学院 | Clutch master cylinder |
-
2017
- 2017-04-17 CN CN201710249159.0A patent/CN106949174B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248594A (en) * | 1967-12-11 | 1971-10-06 | Int Harvester Co | Improvements in or relating to vehicles having forward-reverse drive control |
| EP0270242A2 (en) * | 1986-11-04 | 1988-06-08 | Deere & Company | Two stage brake control valve |
| EP0728087A1 (en) * | 1993-11-10 | 1996-08-28 | Lucas Industries Public Limited Company | Hydraulic master cylinder |
| CN201086705Y (en) * | 2007-09-29 | 2008-07-16 | 傅强 | Master pump structure |
| DE102010036170A1 (en) * | 2009-09-24 | 2011-03-31 | Schaeffler Technologies Gmbh & Co. Kg | Master cylinder i.e. main cylinder, for actuating hydraulic brake or clutch in motor vehicle, has blocking element integrated in feed connection which is released by blocking element while reducing fluid pressure |
| CN103373333A (en) * | 2012-04-30 | 2013-10-30 | 株式会社万都 | Master cylinder for brake systems |
| CN203130851U (en) * | 2013-01-28 | 2013-08-14 | 周维亭 | Hydraulic braking master pump |
| CN203111165U (en) * | 2013-03-23 | 2013-08-07 | 牛国亮 | Automobile hydraulic brake device |
| CN104963960A (en) * | 2015-06-18 | 2015-10-07 | 奇瑞汽车股份有限公司 | Automobile clutch master cylinder |
| CN205605680U (en) * | 2016-05-09 | 2016-09-28 | 常州机电职业技术学院 | Friction limit square clutch |
| CN206694470U (en) * | 2017-04-17 | 2017-12-01 | 常州机电职业技术学院 | Clutch master cylinder |
Non-Patent Citations (1)
| Title |
|---|
| 宋晓瑞等: "一种单钢轮压路机新型离合和制动系统", 《建筑机械化》 * |
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| Publication number | Publication date |
|---|---|
| CN106949174B (en) | 2022-11-15 |
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