CN103104632B - Plunger-type clutch master cylinder - Google Patents
Plunger-type clutch master cylinder Download PDFInfo
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- CN103104632B CN103104632B CN201310040229.3A CN201310040229A CN103104632B CN 103104632 B CN103104632 B CN 103104632B CN 201310040229 A CN201310040229 A CN 201310040229A CN 103104632 B CN103104632 B CN 103104632B
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Abstract
A kind of plunger-type clutch master cylinder, it comprises the pump housing, spring assembly, plunger, main apron, secondary apron, spring assembly is loaded on the bottom end in pump housing cylinder holes, plunger is loaded on pump housing cylinder holes outer end, and main apron and secondary apron are loaded in pump housing cylinder holes apron groove, and pump housing cylinder holes inwall comprised oil groove.Plunger-type clutch master cylinder is mainly used in car and other Miniature riding car and commercial car clutch system, popularizing in recent years along with automotive light weight technology designing requirement, plunger-type clutch master cylinder application is increasingly extensive, plunger-type clutch master cylinder of the present invention is compared with the clutch master cylinder of ordinary construction, meeting same displacement, under travel condition, axial length is short, requirements of installation space is less, design of part is simpler, compact, combination property is higher, and reciprocating sealing surface is the pump housing plunger cylindrical during work, the processing geometric accuracy of plunger cylindrical, the key parameters such as roughness are easier to ensure, thus improve service behaviour and the working life of product.
Description
Technical field
The present invention relates to a kind of clutch master cylinder, particularly establish spiral fluted plunger-type clutch master cylinder in a kind of pump housing cylinder holes.
Background technique
Clutch master cylinder is the element in automotive friction formula clutch hydraulic pressure operating mechanism, it is connected with the clutch pedal in operator cabin, when driver's let slip the clutch, total pump piston moves axially, in pump, working chamber volume reduces to make hydraulic pressure increase, hydraulic pressure transfers to wheel cylinder by the brake pipe be connected with pump, move axially at wheel cylinder active chamber hydraulic drive piston, make withdrawal fork action, release bearing promotes diaphragm spring inner ring and moves forward, diaphragm spring outer end pulls platen to move backward, remove the pressure to driven disc, the now master of clutch, secondary part is in separated state thus interrupts the transmission of power, when clutch pedal is in free state, platen, driven disc, flywheel compress mutually by the diaphragm spring of clutch, and clutch is in jointing state.The thrust that driver applies is changed into hydraulic pressure by clutch master cylinder in the course of the work, and hydraulic rotation is changed into thrust by clutch slave cylinder, and these two elements and the oil pipe connected therebetween add the transmission of brake fluid realizable force.
Application number be 200320103293.3 utility model patent disclose a kind of master cylinder of plunger type hydraulic brake coupling, above the pump housing, fluid chamber is housed, filler opening is established above fluid chamber, between grease chamber and valve body, one-way valve is installed, the plunger type valve rod one end be arranged in valve body is connected with pedal, the other end is connected with oil outlet by a valve rod recovery device, this pump can avoid brake fluid seepage to cause the accident and the problem such as hydraulic oil deficiency, brake failure, but the friction between its pump housing and plunger is comparatively large, easily there is the phenomenon of monolateral eccentric wear.
Summary of the invention
Namely the present invention is improved for above-mentioned defect, provides in a kind of pump housing cylinder holes and establishes spiral fluted plunger-type clutch master cylinder.
According to plunger-type clutch master cylinder of the present invention, it comprises the pump housing, spring assembly, plunger, main apron, secondary apron, wherein, the pump housing comprises pump housing cylinder holes, spring assembly is loaded on the bottom in pump housing cylinder holes, it is outside that plunger is loaded on pump housing cylinder holes, and main apron and secondary apron are loaded in pump housing cylinder holes apron groove respectively.
Preferably, pump housing cylinder holes inwall comprised oil groove.
In above-mentioned either a program preferably, described oil groove of crossing is that the uniform spirality of 360 ° of annulars crosses oil groove.
In above-mentioned either a program preferably, it is the uniform groove of the annular that is processed to form on pump housing cylinder holes inwall that described spirality crosses oil groove, and groove shape is not limit.
In above-mentioned either a program preferably, described spirality is crossed oil groove and is extended in hole from pump housing cylinder holes end, and has certain lead angle.
In above-mentioned either a program preferably, the described quantity crossing oil groove is at least one.
In above-mentioned either a program preferably, the described quantity crossing oil groove is 8-16 road.
In above-mentioned either a program preferably, the pump housing comprises cylinder holes, inlet opening, liquid outlet opening, liquid storage cylinder, liquid-through hole, apron groove.
In above-mentioned either a program preferably, described liquid-through hole is communicated with inlet opening, and described liquid-through hole is communicated with liquid storage cylinder.
In above-mentioned either a program preferably, described inlet opening is connected with lubricating cup, and described liquid outlet opening connects clutch slave cylinder by oil pipe.
In above-mentioned either a program preferably, be pressed into steel ball after described liquid-through hole completion of processing, described steel ball plays sealing process.
In above-mentioned either a program preferably, spring assembly comprises spring, spring seat, pull bar, limiting board.
In above-mentioned either a program preferably, spring assembly only can comprise spring.
In above-mentioned either a program preferably, the end of described pull bar and limiting board rivet clasp.
In above-mentioned either a program preferably, described spring seat is equipped with spring.
In above-mentioned either a program preferably, be embedded with main apron and secondary apron respectively in the corresponding apron groove of the pump housing, main apron and secondary apron are used for the sealing between plunger and the pump housing.
In above-mentioned either a program preferably, the end position cylindrical that described plunger contacts with the main apron of the pump housing is provided with the uniform pressure relief vent of multiple 360 ° of annulars.
In above-mentioned either a program preferably, described plunger adopts ferrous materials to make.
In above-mentioned either a program preferably, described plunger adopts aluminum alloy material manufacture.
In above-mentioned either a program preferably, the plunger cylindrical that described ferrous materials is made adopts chromed hardened process of surface treatment.
In above-mentioned either a program preferably, the plunger cylindrical that described ferrous materials is made adopts the process of surface treatment of plating bright nickel plating.
In above-mentioned either a program preferably, the plunger cylindrical that described aluminum alloy material is made adopts the process of surface treatment of hard anodizing.
In above-mentioned either a program preferably, the described pump housing adopts cast aluminium alloy material manufacture, crosses the milling process requirement of oil groove with satisfied processing spirality.
The working method of plunger-type clutch master cylinder of the present invention is: operator's let slip the clutch, pedal acts on the push rod be attached thereto, and then drive push rod to promote plunger at pump body inner shaft to movement, after the pressure relief vent of plunger passes through the inner lip of main apron completely, active chamber forms airtight cavity; Along with plunger constantly at pump body inner shaft to movement, the volume of active chamber reduces gradually, pressure in active chamber increases, increasing of pressure forces the brake fluid in active chamber to flow into oil pipe through liquid outlet opening, and then flows into the clutch slave cylinder that is connected with oil pipe and realize clutch separation; Along with the rising of active chamber pressure in the process that plunger moves axially, the spirality liquid crossed in oil groove of pump housing inwall was full of the space between oil groove and plunger cylindrical, the liquid crossed in oil groove applies uniform fluid pressure to plunger, make to remain between plunger with pump housing inwall that axle center is identical and leave the gap being full of liquid, the effect of crossing the hydraulic pressure between oil groove and plunger makes plunger be suspended in all the time to be had in the circumference range of certain distance with pump housing inwall, reaches movement process and keeps gap and discontiguous effect; Operator releases the clutch pedal, plunger return, brake fluid in wheel cylinder and oil pipe backflows in master cylinder active chamber by liquid outlet opening again, because pump housing cross-section area is much larger than the cross-section area of pipeline, flow is limited, in plunger return process liquid storage cylinder and active chamber mineralization pressure is poor, the brake fluid under the effect of this pressure difference in liquid storage cylinder is flowed in active chamber by main apron inner lip, realizes quick repairing; After plunger return to home position, the brake fluid in wheel cylinder and oil pipe flows into active chamber again through liquid outlet opening, and then the brake fluid making liquid storage cylinder flow into active chamber is back to liquid storage cylinder in lubricating cup by pressure relief vent, so completes a work cycle.
In above-mentioned working procedure, spirality crosses oil groove makes plunger all centrally can rotate small angle by axis in each work cycle, in long-term work process, effectively can avoid the phenomenon of monolateral eccentric wear, improves sealability and the working life of clutch master cylinder.
More multioperation is all known for those of ordinary skills, repeats no more.
Plunger-type clutch master cylinder of the present invention is compared with the clutch master cylinder of ordinary construction, meeting under same displacement, travel condition, axial length is short, requirements of installation space is less, design of part is simpler, compact, combination property is higher, and reciprocating sealing surface is the pump housing plunger cylindrical during work, the key parameter such as processing geometric accuracy, roughness of plunger cylindrical is easier to ensure, thus improves service behaviour and the working life of product.
The technological scheme of plunger-type clutch master cylinder provided by the present invention comprises the combination in any of each part mentioned above, and simple change or the combination of each part mentioned above assembly are still protection scope of the present invention.
Accompanying drawing explanation
Fig. 1 is the erection drawing of the preferred embodiment according to plunger-type clutch master cylinder of the present invention;
Fig. 2 is the sectional drawing of the pump housing embodiment illustrated in fig. 1;
Fig. 3 is A-A sectional view embodiment illustrated in fig. 2;
Fig. 4 is B-B sectional view embodiment illustrated in fig. 2;
Fig. 5 is the sectional drawing of plunger embodiment illustrated in fig. 1;
Fig. 6 is A-A sectional view embodiment illustrated in fig. 5;
In Fig. 1-Fig. 6, numeral represents respectively:
1 pump housing 2 spring
3 spring seat 4 pull bars
5 main apron 6 steel balls
7 secondary apron 8 limiting boards
9 plunger A inlet openings
B liquid outlet opening C active chamber
D liquid storage cylinder E pressure relief vent
Embodiment
In order to understand the present invention better, describe the preferred embodiment according to plunger-type clutch master cylinder of the present invention respectively in detail below in conjunction with accompanying drawing.
Fig. 1 is the erection drawing of the preferred embodiment according to plunger-type clutch master cylinder of the present invention, and in the present embodiment, plunger-type clutch master cylinder comprises the pump housing 1, spring 2, spring seat 3, pull bar 4, main apron 5, steel ball 6, secondary apron 7, limiting board 8, plunger 9, the pump housing 1 is the body element of master cylinder, by foundry goods by being processed to form active chamber C, inlet opening A, liquid outlet opening B, apron groove, cross oil groove and liquid-through hole, liquid storage cylinder D, is pressed into steel ball 6 after the pump housing 1 processes liquid-through hole, steel ball 6 sealing process, and spring seat 3 is packed in one end in the pump housing 1, and pull bar 4 embeds in the endoporus of spring seat 3, and spring 2 is contained on spring seat 3, and plunger 9 is assemblied in the other end in the pump housing 1, spring 2, spring seat 3, pull bar 4, after limiting board 8 installs respectively, pull bar 4 and limiting board 8 riveting are fixed, form the spring assembly that an axial distance is fixing, main apron 5, secondary apron 7 is loaded in the corresponding apron groove of the pump housing 1 respectively, main apron 5, secondary apron 7 is for the sealing between plunger and the pump housing, and inlet opening A is connected with lubricating cup, and liquid outlet opening B connects clutch slave cylinder by oil pipe.
In the present embodiment, the pump housing 1 inwall comprised oil groove.
In the present embodiment, described oil groove of crossing is that the uniform spirality of 360 ° of annulars crosses oil groove.
In the present embodiment, the described quantity crossing oil groove is 8-16 road.
In the present embodiment, described liquid-through hole is communicated with inlet opening, and described liquid-through hole is communicated with liquid storage cylinder.
In the present embodiment, the end position cylindrical that described plunger 9 contacts with the main apron of the pump housing 15 is provided with the uniform pressure relief vent of multiple 360 ° of annulars.
In the present embodiment, main apron 5 is for the sealing between plunger 9 and the pump housing 1, thus the active chamber C between being formed bottom main apron 5 to pump housing cylinder holes; Secondary apron 7 for the sealing between plunger 9 and the pump housing 1, thus forms the liquid storage cylinder D between secondary apron 7 to main apron 5.
In the present embodiment, described plunger 9 adopts iron and steel or aluminum alloy material manufacture.
In the present embodiment, plunger 9 cylindrical that described ferrous materials is made adopts chromed hardened process of surface treatment.
In the present embodiment, plunger 9 cylindrical that described ferrous materials is made adopts the process of surface treatment of plating bright nickel plating.
In the present embodiment, plunger 9 cylindrical that described aluminum alloy material is made adopts the process of surface treatment of hard anodizing.
In the present embodiment, the described pump housing 1 adopts cast aluminium alloy material manufacture, crosses the milling process requirement of oil groove with satisfied processing spirality.
In the present embodiment, the working method of plunger-type clutch master cylinder is: operator's let slip the clutch, the directed force F that pedal is subject to is delivered to the push rod be attached thereto, the direction of power F as shown in Figure 1, push rod promotes plunger 9 and moves axially in the pump housing 1 after being subject to the effect of power F, after the pressure relief vent E of plunger 9 passes through the inner lip of main apron 5 completely, active chamber C forms airtight cavity; Along with plunger 9 constantly moves axially in the pump housing 1, the volume of active chamber C reduces gradually, pressure in active chamber C increases, the increasing of pressure forces the brake fluid of C in active chamber to flow into oil pipe through liquid outlet opening B, and then flows into the clutch slave cylinder that is connected with oil pipe and realize clutch separation; Along with the rising of active chamber C pressure in the process that plunger 9 moves axially, the spirality liquid crossed in oil groove of the pump housing 1 inwall was full of the space between oil groove and plunger 9 cylindrical, the liquid crossed in oil groove applies uniform fluid pressure to plunger 9, make to remain between plunger 9 with the pump housing 1 inwall that axle center is identical and leave the gap being full of liquid, the effect of crossing the hydraulic pressure between oil groove and plunger 9 makes plunger 9 be suspended in all the time to be had in the circumference range of certain distance with the pump housing 1 inwall, reaches movement process and keeps gap and discontiguous effect; Operator releases the clutch pedal, plunger 9 return, brake fluid in wheel cylinder and oil pipe backflows in the active chamber C of the pump housing 1 by liquid outlet opening B again, because the pump housing 1 cross-section area is much larger than the cross-section area of pipeline, flow is limited, in plunger 9 return process, liquid storage cylinder D and active chamber C is poor by mineralization pressure, and the brake fluid under the effect of this pressure difference in liquid storage cylinder D is flowed in active chamber C by main apron 5 inner lip, realizes quick repairing; After plunger 9 is returned to home position, the brake fluid in wheel cylinder and oil pipe flows into active chamber C again through liquid outlet opening B, and then the brake fluid making liquid storage cylinder D flow into active chamber C is back to liquid storage cylinder D in lubricating cup by pressure relief vent E, so completes a work cycle.
More multioperation is all known for those of ordinary skills, repeats no more.
The technological scheme of the plunger-type clutch master cylinder that the present embodiment provides comprises the combination in any of each part mentioned above, and simple change or the combination of each part mentioned above assembly are still protection scope of the present invention.
Fig. 2 is the sectional drawing of the pump housing embodiment illustrated in fig. 1, in the present embodiment, the pump housing 1 comprises inlet opening, liquid outlet opening, active chamber, liquid storage cylinder, apron groove, crosses oil groove and liquid-through hole, steel ball is pressed in liquid-through hole, steel ball plays sealing process, spring seat is packed in one end of active chamber in the pump housing 1, the main apron of setting-in, secondary apron is respectively used in the corresponding apron groove of the pump housing 1, main apron and secondary apron are used for the sealing between plunger and the pump housing, inlet opening is connected with lubricating cup, and liquid outlet opening connects clutch slave cylinder by oil pipe.
In the present embodiment, the pump housing 1 inwall comprised oil groove.
In the present embodiment, described oil groove of crossing is that the uniform spirality of 360 ° of annulars crosses oil groove.
In the present embodiment, the described quantity crossing oil groove is 8-16 road.
In the present embodiment, described liquid-through hole is communicated with inlet opening, and described liquid-through hole is communicated with liquid storage cylinder.
In the present embodiment, the described pump housing 1 adopts cast aluminium alloy material manufacture, crosses the milling process requirement of oil groove with satisfied processing spirality.
The working method of the present embodiment middle pump body is: plunger moves axially in the pump housing 1, and the pressure relief vent of plunger is completely by after the inner lip of main apron, and active chamber forms airtight cavity; Along with plunger constantly moves axially in the pump housing 1, the volume of active chamber reduces gradually, pressure in active chamber increases, the brake fluid in active chamber is forced to flow into oil pipe through liquid outlet opening, and then flow into the clutch slave cylinder that is connected with oil pipe and realize clutch separation, the spirality liquid crossed in oil groove of the pump housing 1 inwall was full of the space between oil groove and plunger cylindrical, and the liquid crossed in oil groove applies uniform fluid pressure to plunger; During plunger return, the brake fluid in wheel cylinder and oil pipe backflows in the pump housing 1 active chamber by liquid outlet opening again, and the brake fluid in liquid storage cylinder is flowed in active chamber by main apron inner lip, realizes repairing; After plunger return to home position, the brake fluid in wheel cylinder and oil pipe flows into active chamber again through liquid outlet opening, and then the brake fluid making liquid storage cylinder flow into active chamber is back to liquid storage cylinder in lubricating cup by pressure relief vent, so completes a work cycle.
More multioperation is all known for those of ordinary skills, repeats no more.
The technological scheme of the plunger-type clutch master cylinder that the present embodiment provides comprises the combination in any of each part mentioned above, and simple change or the combination of each part mentioned above assembly are still protection scope of the present invention.
Fig. 3 is A-A sectional view embodiment illustrated in fig. 2, in the present embodiment, comprise pilot hole outside the pump housing 1, the pump housing 1 inner chamber comprises liquid storage hole, liquid-through hole, inlet opening, wherein liquid-through hole is communicated with liquid storage hole and inlet opening, and pilot hole is used for position clutch master cylinder being arranged on needs.When plunger moves axially in the pump housing 1, active chamber forms airtight cavity, and increasing of active chamber internal pressure forces the brake fluid in active chamber to flow into oil pipe through liquid outlet opening, and then flows into the clutch slave cylinder that is connected with oil pipe and realize clutch separation; During plunger return, the brake fluid in wheel cylinder and oil pipe backflows in the pump housing 1 active chamber by liquid outlet opening again, and the brake fluid in liquid storage cylinder is flowed in active chamber by main apron inner lip, realizes repairing; After plunger return to home position, the brake fluid in wheel cylinder and oil pipe flows into active chamber again through liquid outlet opening, and then the brake fluid making liquid storage cylinder flow into active chamber is back to liquid storage cylinder in lubricating cup by pressure relief vent, so completes a work cycle.
Fig. 4 is B-B sectional view embodiment illustrated in fig. 2, in the present embodiment, B-B sectional view demonstrates the sectional shape that spirality crosses oil groove, plunger forms airtight cavity at pump body inner shaft to active chamber time mobile, along with plunger constantly at pump body inner shaft to movement, the volume of active chamber reduces gradually, pressure in active chamber increases, the brake fluid in active chamber is forced to flow into oil pipe through liquid outlet opening, and then flow into the clutch slave cylinder that is connected with oil pipe and realize clutch separation, the spirality liquid crossed in oil groove of pump housing inwall was full of the space between oil groove and plunger cylindrical, the liquid crossed in oil groove applies uniform fluid pressure to plunger, therefore remain between plunger with pump housing inwall that axle center is identical and leave the gap being full of liquid, the effect of crossing the hydraulic pressure between oil groove and plunger makes plunger be suspended in all the time to be had in the circumference range of certain distance with pump housing inwall, reach movement process and keep gap and discontiguous effect.
Fig. 5 is the sectional drawing of plunger embodiment illustrated in fig. 1, in the present embodiment, the end position cylindrical that plunger 9 contacts with the main apron of the pump housing is provided with the uniform pressure relief vent of multiple 360 ° of annulars, plunger 9 at pump body inner shaft to movement, after the pressure relief vent of plunger 9 passes through the inner lip of main apron completely, active chamber forms airtight cavity; Along with plunger 9 constantly at pump body inner shaft to movement, the volume of active chamber reduces gradually, pressure in active chamber increases, increasing of pressure forces the brake fluid in active chamber to flow into oil pipe through liquid outlet opening, and then flows into the clutch slave cylinder that is connected with oil pipe and realize clutch separation; Along with the rising of active chamber pressure in the process that plunger 9 moves axially, the spirality liquid crossed in oil groove of pump housing inwall was full of the space between oil groove and plunger 9 cylindrical, the liquid crossed in oil groove applies uniform fluid pressure to plunger 9, make to remain between plunger 9 with pump housing inwall that axle center is identical and leave the gap being full of liquid, the effect of crossing the hydraulic pressure between oil groove and plunger 9 makes plunger 9 be suspended in all the time to be had in the circumference range of certain distance with pump housing inwall, reaches movement process and keeps gap and discontiguous effect; Operator releases the clutch pedal, plunger 9 return, brake fluid in wheel cylinder and oil pipe backflows in the active chamber of the pump housing by liquid outlet opening again, because pump housing cross-section area is much larger than the cross-section area of pipeline, flow is limited, in plunger 9 return process liquid storage cylinder and active chamber mineralization pressure is poor, the brake fluid under the effect of this pressure difference in liquid storage cylinder is flowed in active chamber by main apron inner lip, realizes quick repairing; After plunger 9 is returned to home position, the brake fluid in wheel cylinder and oil pipe flows into active chamber again through liquid outlet opening, and then the brake fluid making liquid storage cylinder flow into active chamber is back to liquid storage cylinder in lubricating cup by pressure relief vent, so completes a work cycle.
Fig. 6 is A-A sectional view embodiment illustrated in fig. 5, in the present embodiment, the end position cylindrical that plunger contacts with the main apron of the pump housing is provided with the uniform pressure relief vent of multiple 360 ° of annulars, plunger at pump body inner shaft to movement, after the pressure relief vent of plunger passes through the inner lip of main apron completely, active chamber forms airtight cavity; Along with plunger constantly at pump body inner shaft to movement, the volume of active chamber reduces gradually, pressure in active chamber increases, increasing of pressure forces the brake fluid in active chamber to flow into oil pipe through liquid outlet opening, and then flows into the clutch slave cylinder that is connected with oil pipe and realize clutch separation; Along with the rising of active chamber pressure in the process that plunger moves axially, the spirality liquid crossed in oil groove of pump housing inwall was full of the space between oil groove and plunger cylindrical, the liquid crossed in oil groove applies uniform fluid pressure to plunger, make to remain between plunger with pump housing inwall that axle center is identical and leave the gap being full of liquid, the effect of crossing the hydraulic pressure between oil groove and plunger makes post be suspended in all the time to be had in the circumference range of certain distance with pump housing inwall, reaches movement process and keeps gap and discontiguous effect; Operator releases the clutch pedal, plunger return, brake fluid in wheel cylinder and oil pipe backflows in the active chamber of the pump housing by liquid outlet opening again, because pump housing cross-section area is much larger than the cross-section area of pipeline, flow is limited, in plunger return process liquid storage cylinder and active chamber mineralization pressure is poor, the brake fluid under the effect of this pressure difference in liquid storage cylinder is flowed in active chamber by main apron inner lip, realizes quick repairing; After plunger return to home position, the brake fluid in wheel cylinder and oil pipe flows into active chamber again through liquid outlet opening, and then the brake fluid making liquid storage cylinder flow into active chamber is back to liquid storage cylinder in lubricating cup by pressure relief vent, so completes a work cycle.
Claims (14)
1. a plunger-type clutch master cylinder, it comprises the pump housing, spring assembly, plunger, main apron, secondary apron, wherein, the pump housing comprises pump housing cylinder holes, spring assembly is loaded on the bottom in pump housing cylinder holes, it is outside that plunger is loaded on pump housing cylinder holes, main apron and secondary apron are loaded in pump housing cylinder holes apron groove respectively, it is characterized in that: pump housing cylinder holes inwall comprised oil groove, the liquid crossed in oil groove applies uniform fluid pressure to plunger, and the end position cylindrical that described plunger contacts with the main apron of the pump housing is provided with the uniform pressure relief vent of multiple 360 ° of annulars.
2. plunger-type clutch master cylinder as claimed in claim 1, is characterized in that: described oil groove of crossing is that the uniform spirality of 360 ° of annulars crosses oil groove.
3. plunger-type clutch master cylinder as claimed in claim 1 or 2, is characterized in that: the described quantity crossing oil groove is at least one.
4. plunger-type clutch master cylinder as claimed in claim 1, is characterized in that: the pump housing comprises cylinder holes, inlet opening, liquid outlet opening, liquid storage cylinder, liquid-through hole, apron groove.
5. plunger-type clutch master cylinder as claimed in claim 4, it is characterized in that: described liquid-through hole is communicated with inlet opening, described liquid-through hole is communicated with liquid storage cylinder.
6. the plunger-type clutch master cylinder as described in claim 4 or 5, is characterized in that: be pressed into steel ball after completion of processing in described liquid-through hole.
7. plunger-type clutch master cylinder as claimed in claim 1, is characterized in that: spring assembly comprises spring, spring seat, pull bar, limiting board.
8. plunger-type clutch master cylinder as claimed in claim 4, is characterized in that: be embedded with main apron and secondary apron respectively in the corresponding apron groove of the pump housing.
9. plunger-type clutch master cylinder as claimed in claim 1, is characterized in that: described plunger adopts ferrous materials manufacture.
10. plunger-type clutch master cylinder as claimed in claim 1, is characterized in that: described plunger adopts aluminum alloy material manufacture.
11. plunger-type clutch master cylinder as claimed in claim 1, is characterized in that: the described pump housing adopts cast aluminium alloy material manufacture.
12. plunger-type clutch master cylinder as claimed in claim 7, is characterized in that: the end of described pull bar and limiting board rivet clasp.
13. plunger-type clutch master cylinder as claimed in claim 2, is characterized in that: it is the uniform groove of the annular that is processed to form on pump housing cylinder holes inwall that described spirality crosses oil groove.
14. plunger-type clutch master cylinder as claimed in claim 2, is characterized in that: described spirality is crossed oil groove and extended in hole from pump housing cylinder holes end, and has certain lead angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040229.3A CN103104632B (en) | 2013-02-01 | 2013-02-01 | Plunger-type clutch master cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040229.3A CN103104632B (en) | 2013-02-01 | 2013-02-01 | Plunger-type clutch master cylinder |
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| Publication Number | Publication Date |
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| CN103104632A CN103104632A (en) | 2013-05-15 |
| CN103104632B true CN103104632B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310040229.3A Active CN103104632B (en) | 2013-02-01 | 2013-02-01 | Plunger-type clutch master cylinder |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564588B (en) * | 2014-12-31 | 2016-11-30 | 长城汽车股份有限公司 | Variable plunger pump and hydraulic clutch operating mechanism |
| CN107605990A (en) * | 2017-10-17 | 2018-01-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of Novel lightweight plunger type plastic clutch device master cylinder |
| CN115990531B (en) * | 2023-03-09 | 2024-03-19 | 浙江裕融实业股份有限公司 | Manufacturing equipment and manufacturing method of wear-resistant accessory of crusher |
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|---|---|
| CN103104632A (en) | 2013-05-15 |
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Denomination of invention: Plunger clutch master cylinder Effective date of registration: 20211014 Granted publication date: 20160120 Pledgee: Ruian sub branch of Wenzhou Bank Co., Ltd Pledgor: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. Registration number: Y2021330001902 |
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