CN102562851A - Separating unit for clutch - Google Patents
Separating unit for clutch Download PDFInfo
- Publication number
- CN102562851A CN102562851A CN2012100650918A CN201210065091A CN102562851A CN 102562851 A CN102562851 A CN 102562851A CN 2012100650918 A CN2012100650918 A CN 2012100650918A CN 201210065091 A CN201210065091 A CN 201210065091A CN 102562851 A CN102562851 A CN 102562851A
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- piston
- ring
- processed
- shaft sleeve
- speed changer
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention relates to a separating unit for a clutch, aiming at solving the problem that after a clutch friction plate of the existing separating unit for the clutch is worn off, the free stroke of a pedal needs to be manually adjusted, so that the work load of a driver is increased, and if the adjustment is not carried out in time, the clutch can be seriously ablated. For the separating unit, a nylon sleeve is embedded on a separating piston; a first shoulder is processed on the inner side wall of the separating piston; one end of the nylon sleeve is contacted with the first shoulder, the other end of the nylon sleeve is clamped on the separating piston through a clamping spring; the separating piston is sheathed on a shaft sleeve of a transmission through the nylon sleeve and a first nylon ring; an oil duct is arranged on the shaft sleeve of the transmission; a ring-shaped work cavity is formed between the separating piston and the shaft sleeve of the transmission; a deflation adjusting screw is arranged at the upper end of the ring-shaped work cavity; one end of the oil duct is communicated with the ring-shaped work cavity, and the other end of the oil duct is communicated with a main cylinder of an operation mechanism of the clutch. The separating unit disclosed by the invention is used for controlling separation of the clutch.
Description
Technical field
The present invention relates to a kind of segregating unit of clutch.
Background technique
At present, the automobile clutch control gear comprises that mechanical type is handled and hydraulic type gas is assisteded control two kinds of forms.More than two kinds of form clutch control devices all comprise disengaging yoke, shift fork cover and bearing support; And all there is complex structure, job insecurity and the clutch friction pad wear artificial manual setting free pedal travel of needs later on; As adjust and untimelyly will cause the serious problem of ablating of clutch; No matter and above which kind of segregating unit all be unable to do without disengaging yoke declutch shaft bearing, push rod and adjustment pull bar; Because the elastic force of the holddown spring of automobile clutch is very big,, cause clutch separation not thoroughly and combine fault such as instability so the disengaging yoke of clutch, shift fork cover, bearing support, push rod and adjustment pull bar very easily wear and tear.
To sum up, existing clutch release assembly is wanted artificial manual setting free pedal travel later at the clutch friction pad wear, has increased work load for drivers, as has adjusted the untimely clutch that also very easily causes and seriously ablate.
Summary of the invention
The present invention wants artificial manual setting free pedal travel for solving existing clutch release assembly later at the clutch friction pad wear; Increased work load for drivers; As adjust the untimely problem that also very easily causes the serious ablation of clutch, and then a kind of segregating unit of clutch is provided.
The present invention solves the problems of the technologies described above the technological scheme of taking to be: the segregating unit of clutch of the present invention comprises isolation piston, release bearing, venting adjusting screw, nylon sleeve, jump ring, relay valve piston, first nylon ring, first oil sealing, second oil sealing, second nylon ring, first return spring, second return spring, suction valve, speed changer one shaft sleeve, housing, end cap, two the 3rd oil sealings and two piston spline pins; Said speed changer one shaft sleeve is sleeved on one of the speed changer; Be processed with first annular groove on the outer side wall of said speed changer one shaft sleeve; Said first nylon ring is sleeved in first annular groove; Said nylon sleeve is embedded on the isolation piston, is processed with first shoulder on the madial wall of said isolation piston, and an end of nylon sleeve contacts with first shoulder; The other end of nylon sleeve is installed on the isolation piston through jump ring; Said isolation piston is sleeved on speed changer one shaft sleeve through the nylon sleeve and first nylon ring, is processed with oil duct on said speed changer one shaft sleeve, forms the ring active chamber between said isolation piston and speed changer one shaft sleeve; The top of said ring active chamber is provided with the venting adjusting screw; Said ring active chamber is through first oil sealing and second oil sealing sealing, and an end of oil duct is communicated with the ring active chamber, and the other end of oil duct is communicated with clutch release master cylinder; Be symmetrily processed with two piston spline grooves on the outer wall of said speed changer one shaft sleeve along its length; Longitudinally be processed with two through holes on the said isolation piston, be provided with a piston spline pin in each through hole, each piston spline pin slides in the piston spline groove of correspondence; Longitudinally be processed with the draining hole on said speed changer one shaft sleeve, said release bearing is sleeved on the isolation piston;
Be processed with second annular groove on the said isolation piston outer wall; Said second nylon ring is positioned at second annular groove, and said housing is sleeved on the isolation piston through second nylon ring, and the top of said housing is provided with relay valve piston cavity and air inlet valve pocket; Said relay valve piston cavity, air inlet valve pocket and oil duct are interconnected; Be provided with the ring inlet valve seat between relay valve piston cavity and the air inlet valve pocket, said relay valve piston is positioned at the relay valve piston cavity, and the said suction valve and first return spring all are positioned at the air inlet valve pocket; One end of suction valve contacts with the ring inlet valve seat; Said end cap is installed on the air inlet valve pocket, and an end of first return spring contacts with suction valve, and the other end of first return spring contacts with end cap; Be processed with first air flue on the said housing, said air inlet valve pocket is communicated with gas receiver on the automobile through first air flue; Said second return spring is sleeved on the relay valve piston, and said relay valve piston is provided with second shoulder, and an end of second return spring contacts with second shoulder of relay valve piston; The other end of second return spring contacts with the ring inlet valve seat; Be processed with air outlet flue on the said relay valve piston, processing second air flue on the said housing, said air outlet flue is in communication with the outside through second air flue; Processing the 3rd air flue on the said housing; One end of the 3rd air flue is communicated with the relay valve piston cavity, forms ring power-assisted chamber between isolation piston, speed changer one shaft sleeve and the housing, and the other end of the 3rd air flue is communicated with ring power-assisted chamber.
The invention has the beneficial effects as follows:
Isolation piston of the present invention can be free to slide along speed changer one shaft sleeve level; The clutch friction pad wear need not artificial manual setting free pedal travel later on; Reduce the wearing and tearing that clutch does not have free travel to bring; Prolong the working life of clutch friction plate greatly, improved traffic safety, reduced the vehicle operating cost;
Directly do not contact between isolation piston of the present invention and speed changer one shaft sleeve; Isolation piston is sleeved on speed changer one shaft sleeve through the nylon sleeve and first nylon ring; The outer wall of speed changer one shaft sleeve is not worn; Be processed with two piston spline grooves on speed changer one shaft sleeve simultaneously; Isolation piston and speed changer one shaft sleeve are located in piston spline groove through the spline pin, have guaranteed that isolation piston only along sliding on the length direction of speed changer one shaft sleeve, has prolonged the working life of oil sealing greatly;
Form active chamber between isolation piston of the present invention and speed changer one shaft sleeve; Oil pressure size in the active chamber can let the driver come suffered resistance size in the perception clutch disengage process through the reaction force of the oil pressure in the clutch master cylinder, and the driver can judge the bonding state of clutch with this;
The segregating unit of clutch of the present invention is when carrying out the separating controlling process to clutch; Need not to be provided with disengaging yoke, shift fork cover, separator levers, push rod; Thereby reduced member easy to wear, improved working stability, and the present invention has advantage simple in structure, that fabricating cost is low.
Description of drawings
Fig. 1 is that the master of the segregating unit of clutch of the present invention looks sectional view.
Embodiment
Embodiment one: as shown in Figure 1; The segregating unit of the clutch of this mode of execution comprises isolation piston 1, release bearing 2, venting adjusting screw 4, nylon sleeve 5, jump ring 6, relay valve piston 7, first nylon ring 10, first oil sealing 11, second oil sealing 12, second nylon ring 15, first return spring 17, second return spring 18, suction valve 26, speed changer one shaft sleeve 27, housing 30, end cap 36, two the 3rd oil sealings 19 and two piston spline pins 25; Said speed changer one shaft sleeve 27 is sleeved on one 31 of the speed changer; Be processed with the first annular groove 27-1 on the outer side wall of said speed changer one shaft sleeve 27; Said first nylon ring 10 is sleeved in the first annular groove 27-1; Said nylon sleeve 5 is embedded on the isolation piston 1, is processed with the first shoulder 1-1 on the madial wall of said isolation piston 1, and an end of nylon sleeve 5 contacts with the first shoulder 1-1; The other end of nylon sleeve 5 is installed on the isolation piston 1 through jump ring 6; Said isolation piston 1 is sleeved on speed changer one shaft sleeve 27 through the nylon sleeve 5 and first nylon ring 10, is processed with oil duct 20 on said speed changer one shaft sleeve 27, forms ring active chamber 21 between said isolation piston 1 and speed changer one shaft sleeve 27; The top of said ring active chamber 21 is provided with venting adjusting screw 4; Said ring active chamber 21 is through first oil sealing 11 and 12 sealings of second oil sealing, and an end of oil duct 20 is communicated with ring active chamber 21, and the other end of oil duct 20 is communicated with clutch release master cylinder; Be symmetrily processed with two piston spline groove 27-2 on the outer wall of said speed changer one shaft sleeve 27 along its length; Longitudinally be processed with two through hole 1-2 on the said isolation piston 1, be provided with a piston spline pin 25 in each through hole 1-2, each piston spline pin 25 slides in the piston spline groove 27-2 of correspondence; Longitudinally be processed with draining hole 24 on said speed changer one shaft sleeve 27, said release bearing 2 is sleeved on the isolation piston 1;
Be processed with the second annular groove 1-3 on said isolation piston 1 outer wall; Said second nylon ring 15 is positioned at the second annular groove 1-3, and said housing 30 is sleeved on the isolation piston 1 through second nylon ring 15, and the top of said housing 30 is provided with relay valve piston cavity 33 and air inlet valve pocket 35; Said relay valve piston cavity 33, air inlet valve pocket 35 and oil duct 20 are interconnected; Be provided with ring inlet valve seat 32 between relay valve piston cavity 33 and the air inlet valve pocket 35, said relay valve piston 7 is positioned at relay valve piston cavity 33, and the said suction valve 26 and first return spring 17 all are positioned at air inlet valve pocket 35; One end of suction valve 26 contacts with ring inlet valve seat 32; Said end cap 36 is installed on the air inlet valve pocket 35, and an end of first return spring 17 contacts with suction valve 26, and the other end of first return spring 17 contacts with end cap 36; Be processed with first air flue 16 on the said housing 30, said air inlet valve pocket 35 is communicated with gas receiver on the automobile through first air flue 16; Said second return spring 18 is sleeved on the relay valve piston 7; Said relay valve piston 7 is provided with the second shoulder 7-1; One end of second return spring 18 contacts with the second shoulder 7-1 of relay valve piston 7, and the other end of second return spring 18 contacts with ring inlet valve seat 32, is processed with air outlet flue 29 on the said relay valve piston 7; Processing second air flue 28 on the said housing 30; Said air outlet flue 29 is in communication with the outside through second air flue 28, and an end of processing the 3rd air flue 22, the three air flues 22 is communicated with relay valve piston cavity 33 on the said housing 30; The other end that forms ring power-assisted chamber 23, the three air flues 22 between isolation piston 1, speed changer one shaft sleeve 27 and the housing 30 is communicated with ring power-assisted chamber 23.
Embodiment two: as shown in Figure 1; The said segregating unit of this mode of execution also comprises first seal ring 8; Along the circumferential direction be processed with the 3rd annular groove 7-2 on the said relay valve piston 7, said first seal ring 8 is sleeved in the 3rd annular groove 7-2 of relay valve piston 7.So seal action is played in design.Other composition and annexation are identical with embodiment one.
Embodiment three: as shown in Figure 1, the said segregating unit of this mode of execution also comprises second seal ring 9, is processed with Fourth Ring connected in star 27-3 on said speed changer one shaft sleeve 27, and said second seal ring 9 is positioned at Fourth Ring connected in star 27-3.So seal action is played in design.Other composition and annexation are identical with embodiment one or two.
Embodiment four: as shown in Figure 1; The said segregating unit of this mode of execution also comprises first sealing gland 13; Along the circumferential direction be processed with five rings connected in star 27-4 on the outer wall of said speed changer one shaft sleeve 27, said first sealing gland 13 is positioned at five rings connected in star 27-4.So seal action is played in design.Other composition and annexation are identical with embodiment three.
Embodiment five: as shown in Figure 1, the said segregating unit of this mode of execution also comprises second sealing gland 14, along the circumferential direction is processed with the 6th annular groove 30-1 on the said housing 30, and said second sealing gland 14 is positioned at the 6th annular groove 30-1.So seal action is played in design.Other composition and annexation are identical with embodiment one, two or four.
Working principle:
When let slip the clutch; High pressure oil from clutch release master cylinder is applied on isolation piston 1 and the relay valve piston 7 in oil duct 20 entering active chambers 21 and with pressure; Relay valve piston 7 to suction valve 26 1 side shiftings, contacts with suction valve 26 up to relay valve piston 7 under oil pressure actuated, thereby makes air outlet flue 29 be in closed state; Relay valve piston 7 continues to be moved to the left then; Be opened thereby promote suction valve 26, the pressurized gas in the gas receiver gets into ring power-assisted chamber 23 through suction port 16, air flue 22 successively, promotes isolation piston 1 under the effect of the pressurized gas in ring power-assisted chamber 23 and is moved to the left; Isolation piston 1 is moved to the left the release bearing that drives on the isolation piston 1 and is moved to the left, thereby realizes the separation process of clutch;
When engage the clutch; Oil pressure from clutch release master cylinder disappears; Relay valve piston 7 moves right under the effect of second return spring 18, and simultaneously suction valve 26 also moves right under the effect of first return spring 17, when suction valve 26 when ring inlet valve seat 32 on the housing 30 contacts; Be blocked by the gas that suction port 16 gets into this moment; The pressurized gas that has flow in the ring power-assisted chamber 23 is discharged through the 3rd air flue 22, air outlet flue 29 and second air flue 28 (relief opening) successively, and release bearing 2 moves right under the reaction force of clutch disengaging lever, and release bearing 2 drives isolation pistons 1 and moves right simultaneously; Get back to initial position up to isolation piston 1, clutch combines transferring power again.
Claims (5)
1. the segregating unit of a clutch; It is characterized in that: said segregating unit comprises isolation piston (1), release bearing (2), venting adjusting screw (4), nylon sleeve (5), jump ring (6), relay valve piston (7), first nylon ring (10), first oil sealing (11), second oil sealing (12), second nylon ring (15), first return spring (17), second return spring (18), suction valve (26), speed changer one shaft sleeve (27), housing (30), end cap (36), two the 3rd oil sealings (19) and two piston spline pins (25); Said speed changer one shaft sleeve (27) is sleeved on the speed changer one (31); Be processed with first annular groove (27-1) on the outer side wall of said speed changer one shaft sleeve (27); Said first nylon ring (10) is sleeved in first annular groove (27-1); Said nylon sleeve (5) is embedded on the isolation piston (1); Be processed with first shoulder (1-1) on the madial wall of said isolation piston (1); One end of nylon sleeve (5) contacts with first shoulder (1-1), and the other end of nylon sleeve (5) is installed on the isolation piston (1) through jump ring (6), and said isolation piston (1) is sleeved on speed changer one shaft sleeve (27) through nylon sleeve (5) and first nylon ring (10); Be processed with oil duct (20) on said speed changer one shaft sleeve (27); Form ring active chamber (21) between said isolation piston (1) and speed changer one shaft sleeve (27), the top of said ring active chamber (21) is provided with venting adjusting screw (4), and said ring active chamber (21) is through first oil sealing (11) and second oil sealing (12) sealing; One end of oil duct (20) is communicated with ring active chamber (21); The other end of oil duct (20) is communicated with clutch release master cylinder, is symmetrily processed with two piston spline grooves (27-2) on the outer wall of said speed changer one shaft sleeve (27) along its length, longitudinally is processed with two through holes (1-2) on the said isolation piston (1); Be provided with a piston spline pin (25) in each through hole (1-2); Each piston spline pin (25) slides in the piston spline groove (27-2) of correspondence, longitudinally is processed with draining hole (24) on said speed changer one shaft sleeve (27), and said release bearing (2) is sleeved on the isolation piston (1);
Be processed with second annular groove (1-3) on said isolation piston (1) outer wall; Said second nylon ring (15) is positioned at second annular groove (1-3); Said housing (30) is sleeved on the isolation piston (1) through second nylon ring (15); The top of said housing (30) is provided with relay valve piston cavity (33) and air inlet valve pocket (35), and said relay valve piston cavity (33), air inlet valve pocket (35) and oil duct (20) are interconnected, and is provided with ring inlet valve seat (32) between relay valve piston cavity (33) and the air inlet valve pocket (35); Said relay valve piston (7) is positioned at relay valve piston cavity (33); Said suction valve (26) all is positioned at air inlet valve pocket (35) with first return spring (17), and an end of suction valve (26) contacts with ring inlet valve seat (32), and said end cap (36) is installed on the air inlet valve pocket (35); One end of first return spring (17) contacts with suction valve (26); The other end of first return spring (17) contacts with end cap (36), is processed with first air flue (16) on the said housing (30), and said air inlet valve pocket (35) is communicated with gas receiver on the automobile through first air flue (16); Said second return spring (18) is sleeved on the relay valve piston (7); Said relay valve piston (7) is provided with second shoulder (7-1); One end of second return spring (18) contacts with second shoulder (7-1) of relay valve piston (7), and the other end of second return spring (18) contacts with ring inlet valve seat (32), is processed with air outlet flue (29) on the said relay valve piston (7); Said housing (30) is gone up processing second air flue (28); Said air outlet flue (29) is in communication with the outside through second air flue (28), and said housing (30) is gone up processing the 3rd air flue (22), and an end of the 3rd air flue (22) is communicated with relay valve piston cavity (33); Form ring power-assisted chamber (23) between isolation piston (1), speed changer one shaft sleeve (27) and the housing (30), the other end of the 3rd air flue (22) is communicated with ring power-assisted chamber (23).
2. the segregating unit of clutch according to claim 1; It is characterized in that: said segregating unit also comprises first seal ring (8); Along the circumferential direction be processed with the 3rd annular groove (7-2) on the said relay valve piston (7), said first seal ring (8) is sleeved in the 3rd annular groove (7-2) of relay valve piston (7).
3. the segregating unit of clutch according to claim 1 and 2; It is characterized in that: said segregating unit also comprises second seal ring (9); Be processed with Fourth Ring connected in star (27-3) on said speed changer one shaft sleeve (27), said second seal ring (9) is positioned at Fourth Ring connected in star (27-3).
4. the segregating unit of clutch according to claim 3; It is characterized in that: said segregating unit also comprises first sealing gland (13); Along the circumferential direction be processed with five rings connected in star (27-4) on the outer wall of said speed changer one shaft sleeve (27), said first sealing gland (13) is positioned at five rings connected in star (27-4).
5. according to the segregating unit of claim 1,2 or 4 described clutches; It is characterized in that: said segregating unit also comprises second sealing gland (14); Along the circumferential direction be processed with the 6th annular groove (30-1) on the said housing (30), said second sealing gland (14) is positioned at the 6th annular groove (30-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210065091 CN102562851B (en) | 2012-03-13 | 2012-03-13 | Separating unit for clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210065091 CN102562851B (en) | 2012-03-13 | 2012-03-13 | Separating unit for clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562851A true CN102562851A (en) | 2012-07-11 |
| CN102562851B CN102562851B (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210065091 Expired - Fee Related CN102562851B (en) | 2012-03-13 | 2012-03-13 | Separating unit for clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562851B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088923A (en) * | 2014-06-26 | 2014-10-08 | 北京理工大学 | Stress surface variable piston |
| CN108799353A (en) * | 2017-05-02 | 2018-11-13 | 天津市松正电动汽车技术股份有限公司 | Air pressure clutch actuator |
| CN111306219A (en) * | 2020-02-21 | 2020-06-19 | 东风商用车有限公司 | Direct-push coaxial clutch separation unit |
| CN113614405A (en) * | 2019-03-20 | 2021-11-05 | 舍弗勒技术股份两合公司 | A multiplate clutch with optimized shifting friction; hybrid module, double clutch device and power assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06193648A (en) * | 1992-12-25 | 1994-07-15 | Kubota Corp | Multiplate frictional oil pressure clutch |
| CN1720402A (en) * | 2002-11-29 | 2006-01-11 | Zf腓德列斯哈芬股份公司 | Device for increasing the functional reliability of a hydraulic circuit of a hydraulically operable clutch |
| JP2006027405A (en) * | 2004-07-14 | 2006-02-02 | Yanmar Co Ltd | Power transmission device for work machine in travel work machine |
| CN201487084U (en) * | 2009-07-25 | 2010-05-26 | 徐州工程机械科技股份有限公司 | Novel plug-in buffer type clutch |
-
2012
- 2012-03-13 CN CN 201210065091 patent/CN102562851B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06193648A (en) * | 1992-12-25 | 1994-07-15 | Kubota Corp | Multiplate frictional oil pressure clutch |
| CN1720402A (en) * | 2002-11-29 | 2006-01-11 | Zf腓德列斯哈芬股份公司 | Device for increasing the functional reliability of a hydraulic circuit of a hydraulically operable clutch |
| JP2006027405A (en) * | 2004-07-14 | 2006-02-02 | Yanmar Co Ltd | Power transmission device for work machine in travel work machine |
| CN201487084U (en) * | 2009-07-25 | 2010-05-26 | 徐州工程机械科技股份有限公司 | Novel plug-in buffer type clutch |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088923A (en) * | 2014-06-26 | 2014-10-08 | 北京理工大学 | Stress surface variable piston |
| CN108799353A (en) * | 2017-05-02 | 2018-11-13 | 天津市松正电动汽车技术股份有限公司 | Air pressure clutch actuator |
| CN113614405A (en) * | 2019-03-20 | 2021-11-05 | 舍弗勒技术股份两合公司 | A multiplate clutch with optimized shifting friction; hybrid module, double clutch device and power assembly |
| CN111306219A (en) * | 2020-02-21 | 2020-06-19 | 东风商用车有限公司 | Direct-push coaxial clutch separation unit |
| CN111306219B (en) * | 2020-02-21 | 2021-08-06 | 东风商用车有限公司 | Direct-push coaxial clutch separation unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562851B (en) | 2013-07-10 |
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Granted publication date: 20130710 Termination date: 20140313 |