CN204437104U - The lubricating fitting of clutch - Google Patents
The lubricating fitting of clutch Download PDFInfo
- Publication number
- CN204437104U CN204437104U CN201420758301.6U CN201420758301U CN204437104U CN 204437104 U CN204437104 U CN 204437104U CN 201420758301 U CN201420758301 U CN 201420758301U CN 204437104 U CN204437104 U CN 204437104U
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- clutch
- piston
- friction disc
- outside friction
- attrition piece
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a kind of lubricating fitting of clutch, lubricating fitting comprises clutch hub, piston, outside friction disc, inner attrition piece, gear ring and hydraulic system.Piston and clutch hub form oil pocket, and piston has damping hole, and outside friction disc engages with clutch hub, and inner attrition piece engages with gear ring.When clutch is in running order, hydraulic system provides oil liquid pressure in oil pocket, and fluid is filled in oil pocket, and piston is subject to oil liquid pressure and compresses outside friction disc and inner attrition piece, is connected with clutch hub one to make gear ring.Fluid now in oil pocket sprays to outside friction disc and inner attrition piece by damping hole, without the need to providing fluid by other clutches, reduces the transmission distance of fluid, and ensure that clutch obtains lubrication and heat radiation fully, reliability is high.When clutch is not in running order, hydraulic system stops providing oil liquid pressure in oil pocket, namely stops lubricating the outside friction disc of this clutch and inner attrition piece, reduces energy loss.
Description
Technical field
The utility model relates to system of vehicle transmission technical field, especially, relates to a kind of lubricating fitting of clutch.
Background technique
The function of vehicle drive system is by the power transimission of power source to driving wheel, and changes tractive force and the speed of a motor vehicle according to the requirement that vehicle travels.When automatic gearbox is shifted gears, in the engaging process of clutch, the effect of rubbing of cunning between clutch friction plate produces a large amount of heat, now the temperature of clutch friction plate sharply raises and makes the lost of life of friction plate, therefore clutch operationally needs to provide enough fluid to carry out lubricating and dispels the heat.
Usually, clutch need adopt two, one for reversing gear, another is for forward gear.Wherein, reverse gear the lubricating oil of clutch from the fluid of adjacent forward gear clutch, by oil-through hole offered by the part between these two clutches, make the lubricating oil of forward gear clutch be passed to through oil-through hole the clutch that reverses gear incessantly and lubricate.But adopt and lubricate in this way, lubricating oil need could arrive through some parts and reverse gear in clutch, the oil mass at the clutch place that makes to reverse gear is subject to a definite limitation, cause the lubrication of clutch and radiating effect poor, reliability is low; And when speed changer is in forward gear, also the friction plate of the clutch that reverses gear is lubricated, cause energy consumption high.
Model utility content
The utility model provides a kind of lubricating fitting of clutch, and poor with the lubrication and radiating effect that solve existing clutch, reliability is low, the technical problem that energy consumption is high.
The technical solution adopted in the utility model is as follows:
A lubricating fitting for clutch, comprises clutch hub, piston, outside friction disc, inner attrition piece, gear ring and hydraulic system;
Piston is arranged in clutch hub actively, and forms oil pocket with clutch hub, and piston offers damping hole, outside friction disc comprises at least two, and is crisscross arranged with inner attrition piece, and outside friction disc is installed in clutch hub, and engage with clutch hub, inner attrition piece engages with gear ring;
When clutch is in running order, hydraulic system provides oil liquid pressure in oil pocket, is filled in oil pocket to control fluid, makes piston compress outside friction disc and inner attrition piece, is connected with clutch hub one to make gear ring;
When clutch is not in running order, hydraulic system stops providing oil liquid pressure in oil pocket, to make to be separated from each other between outside friction disc and inner attrition piece.
Further, the aperture of damping hole is 0.5 millimeter ~ 2 millimeters.
Further, clutch hub is provided with the first bounding means, outside friction disc and inner attrition piece are between piston and the first bounding means, and when piston compresses outside friction disc, the first bounding means and outside friction disc are conflicted.
Further, the first bounding means is jump ring.
Further, the lubricating fitting of clutch also comprises reset assembly, and reset assembly and piston are conflicted, and when hydraulic system stops providing oil liquid pressure in oil pocket, reset assembly provides reposition force in piston, resets with control piston.
Further, reset assembly comprises Returnning spring and pressing plate, and Returnning spring is arranged between piston and pressing plate, to provide elastic reset power.
Further, clutch hub is provided with the second bounding means, the second bounding means and pressing plate are conflicted.
Further, the second bounding means is jump ring.
Further, clutch hub offers oil inlet hole, and fluid is filled in oil pocket by oil inlet hole.
Further, the inside and outside circle of piston is used for being provided with sealing lip with clutch hub cooperation place.
The utility model has following beneficial effect:
According to the lubricating fitting of clutch of the present utility model, when clutch is in running order, hydraulic system provides oil liquid pressure in oil pocket, now fluid can be filled in oil pocket, piston can be subject to oil liquid pressure and compress inner attrition piece and outside friction disc, to make gear ring be connected with clutch hub one, and then complete gearshift.So, under oil liquid pressure effect, fluid in oil pocket sprays to inner attrition piece and outside friction disc by damping hole, directly carrying out lubricating to inner attrition piece and outside friction disc and dispel the heat, without the need to providing fluid by other adjacent clutches, thus decreasing the processing of the oil-through hole on other parts, simplify design of part, decrease the transmission distance of fluid, ensure that clutch can obtain lubrication and heat radiation fully, reliability is high.Meanwhile, when this clutch is not in running order, now oil pocket is interior without oil liquid pressure, and fluid stops, from damping hole ejection, namely to lubricate the outside friction disc of this clutch and inner attrition piece, effectively reducing energy loss under without oil liquid pressure effect.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the lubricating fitting of the clutch of the utility model preferred embodiment; And
Fig. 2 is the structural representation of the piston of Fig. 1.
Description of reference numerals: 110, clutch hub; 112, the first bounding means; 114, the second bounding means; 116, oil inlet hole; 120, piston; 122, damping hole; 124, sealing lip; 130, outside friction disc; 140, inner attrition piece; 150, gear ring; 160, oil pocket; 170, reset assembly; 172, Returnning spring; 174, pressing plate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1 and Fig. 2, preferred embodiment of the present utility model provides a kind of lubricating fitting of clutch, and lubricating fitting comprises clutch hub 110, piston 120, outside friction disc 130, inner attrition piece 140, gear ring 150 and hydraulic system.This lubricating fitting can be applicable to reverse gear in clutch.Piston 120 is arranged in clutch hub 110 actively, and form oil pocket 160 with clutch hub 110, piston 120 offers damping hole 122, outside friction disc 130 comprises at least two, and be crisscross arranged with inner attrition piece 140, outside friction disc 130 is installed in clutch hub 110, and engages with clutch hub 110, and inner attrition piece 140 engages with gear ring 150.When clutch is in running order, hydraulic system provides oil liquid pressure in oil pocket 160, can be filled in oil pocket 160 to control fluid, make piston 120 to be subject to oil liquid pressure and compress outside friction disc 130 and inner attrition piece 140, be connected with clutch hub 110 one to make gear ring 150.Particularly, outside friction disc 130 and clutch hub 110 are by spline joint, and inner attrition piece 140 and gear ring 150 are by spline joint, and then transmitting torque completes gearshift.So, under oil liquid pressure effect, fluid in oil pocket 160 sprays to outside friction disc 130 and inner attrition piece 140 by damping hole 122, directly carrying out lubricating to outside friction disc 130 and inner attrition piece 140 and dispel the heat, without the need to providing fluid by other adjacent clutches, thus decreasing the processing of the oil-through hole on other parts, simplify design of part, decrease the transmission distance of fluid, ensure that clutch can obtain lubrication and heat radiation fully, reliability is high.Simultaneously, when clutch is not in running order, hydraulic system stops providing oil liquid pressure in oil pocket 160, now oil pocket 160 is interior without oil liquid pressure, fluid stops spraying from damping hole 122 under without oil liquid pressure effect, namely can not lubricate the outside friction disc 130 of this clutch and inner attrition piece 140, effectively reduce energy loss.Meanwhile, piston 120 does not compress outside friction disc 130 and inner attrition piece 140, to make to be separated from each other between outside friction disc 130 and inner attrition piece 140, effectively avoid producing to pull to outside friction disc 130 and inner attrition piece 140 at off working state fluid losing, effectively reduce wear.
With reference to Fig. 1 and Fig. 2, in the preferred embodiment, alternatively, if the aperture of damping hole 122 is too large, the fluid amount sprayed by damping hole 122 is caused to affect too greatly the normal work of outside friction disc 130 and inner attrition piece 140 unavoidably, if the aperture of damping hole 122 is too little, affect lubrication and the radiating effect of outside friction disc 130 and inner attrition piece 140 unavoidably, therefore the aperture rationally arranging damping hole 122 is 0.5 millimeter ~ 2 millimeters.
With reference to Fig. 1, in the preferred embodiment, alternatively, clutch hub 110 is provided with the first bounding means 112, outside friction disc 130 and inner attrition piece 140 are between piston 120 and the first bounding means 112, when piston 120 compresses outside friction disc 130 with inner attrition piece 140, the first bounding means 112 is conflicted with outside friction disc 130.When being subject to the pressure from piston 120, outside friction disc 130 and inner attrition piece 140 compress and fit tightly with the first bounding means 112, first bounding means 112 pairs outside friction disc 130 and inner attrition piece 140 play axial limiting effect, guarantee that gear ring 150 is connected with clutch hub 110 one to realize shifting gears, precision is high.Preferably, for improving limit effect, the first bounding means 112 can select jump ring.
With reference to Fig. 1, in the preferred embodiment, alternatively, the lubricating fitting of clutch also comprises reset assembly 170, reset assembly 170 and piston 120 are conflicted, when hydraulic system stops providing oil liquid pressure in oil pocket 160, reset assembly 170 provides reposition force in piston 120, resets with control piston 120, be conducive to promoting that outside friction disc 130 is separated rapidly with inner attrition piece 140, avoid outside friction disc 130 to slide with inner attrition piece 140 rub and wear and tear, realize shifting gears rapidly, steadily, reliability is high.Preferably, reset assembly 170 can comprise Returnning spring 172 and pressing plate 174, and Returnning spring 172 is arranged between piston 120 and pressing plate 174, to provide elastic reset power, realizes being separated rapidly of outside friction disc 130 and inner attrition piece 140.Further, clutch hub 110 is provided with the second bounding means 114, second bounding means 114 to conflict with pressing plate 174.When clutch is in running order, the oil liquid pressure that piston 120 can be subject to providing from hydraulic system is movable with inner attrition piece 140 direction to compression outside friction disc 130, pressing plate 174 and the second bounding means 114 are conflicted, and the second bounding means 114 pairs piston 120 plays axial limiting effect.Preferably, for improving limit effect, the second bounding means 114 can select jump ring.
With reference to Fig. 1, in the preferred embodiment, alternatively, clutch hub 110 offers oil inlet hole 116, and fluid is filled in oil pocket 160 by oil inlet hole 116.When clutch is in running order, hydraulic system provides oil liquid pressure in oil pocket 160, fluid enters oil pocket 160 by oil inlet hole 116 under the effect of oil liquid pressure, fluid sprays through damping hole 122 again, to realize lubrication to outside friction disc 130 and inner attrition piece 140 and heat radiation, decrease the processing of the oil-through hole on other parts, simplify design of part, reliability is high.Meanwhile, when this clutch does not work, stop lubricating the outside friction disc 130 of this clutch and inner attrition piece 140, effectively reduce energy loss.
With reference to Fig. 2, in the preferred embodiment, alternatively, the inside and outside circle of piston 120 is used for being provided with sealing lip 124 with clutch hub 110 cooperation place.So, in the working process to piston 120, first impact briquetting piston 120 skeleton, is then used for arranging sealing lip 124 with clutch hub 110 cooperation place at the inside and outside circle of piston 120, particularly, the sealing lip 124 of the inside and outside circle of piston 120 can adopt vulcanized rubber lip, without the need to overall sulfuration, cost-saving, technique is simple, and oil pocket 160 good sealing effect formed, ensure the ejection effect of fluid from damping hole 122, reliability is high.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
According to the lubricating fitting of clutch of the present utility model, when clutch is in running order, hydraulic system provides oil liquid pressure in oil pocket 160, now fluid can be filled in oil pocket 160, piston 120 can be subject to oil liquid pressure and compress outside friction disc 130 and inner attrition piece 140, to make gear ring 150 be connected with clutch hub 110 one, and then complete gearshift.So, under oil liquid pressure effect, fluid in oil pocket 160 sprays to outside friction disc 130 and inner attrition piece 140 by damping hole 122, directly carrying out lubricating to outside friction disc 130 and inner attrition piece 140 and dispel the heat, without the need to providing fluid by other adjacent clutches, thus decreasing the processing of the oil-through hole on other parts, simplify design of part, decrease the transmission distance of fluid, ensure that clutch can obtain lubrication and heat radiation fully, reliability is high.Simultaneously, when clutch is not in running order, hydraulic system stops providing oil liquid pressure in oil pocket 160, now oil pocket 160 is interior without oil liquid pressure, fluid stops spraying from damping hole 122 under without oil liquid pressure effect, namely can not lubricate the outside friction disc 130 of this clutch and inner attrition piece 140, effectively reduce energy loss.Meanwhile, piston 120 does not compress outside friction disc 130 and inner attrition piece 140, to make to be separated from each other between outside friction disc 130 and inner attrition piece 140, effectively avoid producing to pull to outside friction disc 130 and inner attrition piece 140 at off working state fluid losing, effectively reduce wear.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the lubricating fitting of a clutch, it is characterized in that, comprise clutch hub (110), piston (120), outside friction disc (130), inner attrition piece (140), gear ring (150) and hydraulic system;
Described piston (120) is arranged in described clutch hub (110) actively, and form oil pocket (160) with described clutch hub (110), described piston (120) offers damping hole (122), described outside friction disc (130) comprises at least two, and be crisscross arranged with described inner attrition piece (140), described outside friction disc (130) is installed in described clutch hub (110), and engage with described clutch hub (110), described inner attrition piece (140) engages with described gear ring (150);
When clutch is in running order, described hydraulic system provides oil liquid pressure in described oil pocket (160), be filled in described oil pocket (160) to control fluid, make described piston (120) compress described outside friction disc (130) and described inner attrition piece (140), be connected with described clutch hub (110) one to make described gear ring (150);
When described clutch is not in running order, described hydraulic system stops providing oil liquid pressure in described oil pocket (160), to make to be separated from each other between described outside friction disc (130) and described inner attrition piece (140).
2. the lubricating fitting of clutch according to claim 1, is characterized in that,
The aperture of described damping hole (122) is 0.5 millimeter ~ 2 millimeters.
3. the lubricating fitting of clutch according to claim 1, is characterized in that,
Described clutch hub (110) is provided with the first bounding means (112), described outside friction disc (130) and described inner attrition piece (140) are positioned between described piston (120) and described first bounding means (112), when described piston (120) compresses described outside friction disc (130), described first bounding means (112) and described outside friction disc (130) are conflicted.
4. the lubricating fitting of clutch according to claim 3, is characterized in that,
Described first bounding means (112) is jump ring.
5. the lubricating fitting of clutch according to claim 1, is characterized in that,
The lubricating fitting of described clutch also comprises reset assembly (170), described reset assembly (170) and described piston (120) are conflicted, stop providing oil liquid pressure when described oil pocket (160) in described hydraulic system, described reset assembly (170) provides reposition force in described piston (120), resets to control described piston (120).
6. the lubricating fitting of clutch according to claim 5, is characterized in that,
Described reset assembly (170) comprises Returnning spring (172) and pressing plate (174), described Returnning spring (172) is arranged between described piston (120) and described pressing plate (174), to provide elastic reset power.
7. the lubricating fitting of clutch according to claim 6, is characterized in that,
Described clutch hub (110) is provided with the second bounding means (114), described second bounding means (114) and described pressing plate (174) are conflicted.
8. the lubricating fitting of clutch according to claim 7, is characterized in that,
Described second bounding means (114) is jump ring.
9. the lubricating fitting of clutch according to claim 1, is characterized in that,
Described clutch hub (110) offers oil inlet hole (116), and described fluid is filled in described oil pocket (160) by described oil inlet hole (116).
10. the lubricating fitting of clutch according to claim 1, is characterized in that,
The inside and outside circle of described piston (120) is used for being provided with sealing lip (124) with described clutch hub (110) cooperation place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758301.6U CN204437104U (en) | 2014-12-04 | 2014-12-04 | The lubricating fitting of clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758301.6U CN204437104U (en) | 2014-12-04 | 2014-12-04 | The lubricating fitting of clutch |
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| Publication Number | Publication Date |
|---|---|
| CN204437104U true CN204437104U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758301.6U Active CN204437104U (en) | 2014-12-04 | 2014-12-04 | The lubricating fitting of clutch |
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| Country | Link |
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| CN (1) | CN204437104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482069A (en) * | 2014-12-04 | 2015-04-01 | 湖南江麓容大车辆传动股份有限公司 | Clutch lubrication device |
| CN112324815A (en) * | 2020-11-30 | 2021-02-05 | 柳工柳州传动件有限公司 | Wet clutch and hydraulic transmission system |
-
2014
- 2014-12-04 CN CN201420758301.6U patent/CN204437104U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482069A (en) * | 2014-12-04 | 2015-04-01 | 湖南江麓容大车辆传动股份有限公司 | Clutch lubrication device |
| CN104482069B (en) * | 2014-12-04 | 2018-01-30 | 湖南江麓容大车辆传动股份有限公司 | The lubricating arrangement of clutch |
| CN112324815A (en) * | 2020-11-30 | 2021-02-05 | 柳工柳州传动件有限公司 | Wet clutch and hydraulic transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da vehicle transmission Limited by Share Ltd Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Jianglu & Rongda Vehicle Transmission Limited Company |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da intelligent transmission Limited by Share Ltd Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Yung Da vehicle transmission Limited by Share Ltd |