CN201057230Y - Clutch - Google Patents
Clutch Download PDFInfo
- Publication number
- CN201057230Y CN201057230Y CNU2007200002727U CN200720000272U CN201057230Y CN 201057230 Y CN201057230 Y CN 201057230Y CN U2007200002727 U CNU2007200002727 U CN U2007200002727U CN 200720000272 U CN200720000272 U CN 200720000272U CN 201057230 Y CN201057230 Y CN 201057230Y
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- China
- Prior art keywords
- clutch
- disc
- shaped diaphragm
- support
- diaphragm springs
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Abstract
The utility model relates to a clutch, in particular to a clutch suitable for farming vehicles, pertaining to the field of transmission machinery of vehicles. The technical proposal adopted by the utility model is that: the clutch comprises a clutch belt pulley, a withdrawal plate, a driven plate, a drive plate and a clutch cover that is fixed on the clutch belt pulley. The utility model is characterized in that a dual-diaphragm spring device of the fastening withdrawal plate is arranged on the inner end surface of the clutch belt pulley; by adopting the proposal, the problems that the prior art is of inadequate torque, the existing clutches are skiddy and has short service life, etc. are solved and a clutch with large torque, good positioning performance, convenience and durability is available.
Description
Technical field
The utility model relates to a kind of clutch, and especially a kind of clutch that is applicable to agricultural vehicle belongs to the system of vehicle transmission mechanical field.
Background technique
Clutch is a constituent element of automotive transmission, and power train is connected with motor by it, and interrupts the transmission of power where necessary.In automotive transmission, extensively adopt spring pressed-type clutch, this clutch is to lean on the rubbing action of friction surface to come transmitting torque.Holddown spring is pressed on driven disc on the end face of flywheel, makes between flywheel and the driven disc surface of contact and produces static friction, and the moment of torsion of motor just passes on the driven disc by this rubbing action, passes to driving wheel through a series of parts in driven shaft and the power train thus again.Obviously, the impacting force of holddown spring is bigger, and the moment of torsion that clutch can transmit is also just big more.At present, the clutch of domestic three-wheeled motor car, single cylinder four wheeler and microtractor use adopts helical spring to compress the form of clutch-plate.Along with the increase of engine power, now more and more can not satisfy usage requirement with clutch, transmitted power causes phenomenons such as cltuch slipping, friction plate scaling loss effectively.
The patent No. is that the utility model patent of CN200520084128 discloses a kind of diaphragm spring clutch, its technological scheme is: it comprises clutch pulley, separator disk, driven disc parts, driving disc and is fixed on clutch cover on the clutch pulley, the diaphragm spring that compresses separator disk is installed on the clutch pulley interior edge face.Because this technological scheme has been used diaphragm spring, diaphragm spring pressure is big, and area of contact is big, and unit pressure is little, and pressure is even, can transmit big moment of torsion, and clutch separates rapid, thorough when separating; This clutch is installed, and effective transmission that can guaranteed output increases vehicle mechanical safety in use.But, though the defective of this technological scheme is the structure of single diaphragm spring and can transmits big moment of torsion than helical spring, but for the bigger vehicle of load-carryings such as agricultural vehicle, the moment of torsion of this structure still can not be satisfied the demand, cause cltuch slipping or wearing piece burning phenomenon, reduced the working life of clutch.
The model utility content
Problems such as the purpose of this utility model is to solve the moment of torsion deficiency that prior art exists, and clutch easily skids and life of clutch is short provide that a kind of moment of torsion is big, polarization strong, convenient durable clutch.
For achieving the above object, the technological scheme that the utility model adopted is:
A kind of clutch comprises clutch pulley, separator disk, driven disc, driving disc and is fixed on clutch cover on the clutch pulley, it is characterized in that, the double-diaphragm spring device that compresses separator disk is installed on the described clutch pulley interior edge face.
Described double-diaphragm spring device comprises two disc-shaped diaphragm springs and support, and described two disc-shaped diaphragm springs are installed on respectively on the described support.
Described support is the flange plate shape.
Described two disc-shaped diaphragm springs are thin-walled hollow round table body.
The thickness of described two disc-shaped diaphragm springs is identical.
The thickness difference of described two disc-shaped diaphragm springs.
Thicker one directly compresses separator disk in described two disc-shaped diaphragm springs.
Described support is the flange plate shape.
The two edges part external diameter of described support is less than middle body.
The external diameter of the internal diameter of the tapered tip of described two disc-shaped diaphragm springs and support two end portions is suitable, and described two disc-shaped diaphragm springs overlap respectively and are pressed in the support two ends.
After adopting such scheme, the utility model compared with prior art has following beneficial effect:
At first, the double-diaphragm spring structure that the utility model adopted, the impacting force of spring increases, thus the moment of torsion that clutch can be transmitted increases, and is fit to the agricultural vehicle of load-carrying, the working life of improving clutch greatly.
Secondly, the double-diaphragm spring structure that the utility model adopted adopts truncated conical shape, has formed certain tapering angle shape, by changing the angle control clutch of two disc-shaped diaphragm springs, can make reaction clutch sensitive, more reliable more.
In addition, the double-diaphragm spring structure that the utility model adopted, by adopting two disc-shaped diaphragm springs of different-thickness, make the two moment of torsion can play the effect of stack, the supporting structure navigation performance that is adopted simultaneously is good, polarization strong, be easy to Installation and Debugging, has also effectively prevented the bounce-back of disc-shaped diaphragm spring simultaneously.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the assembling schematic representation of the utility model embodiment clutch;
Fig. 3 is the main TV structure schematic representation of the utility model embodiment's disc-shaped diaphragm spring;
Fig. 4 is the sectional structure schematic representation of the utility model embodiment's disc-shaped diaphragm spring;
Fig. 5 is the main TV structure schematic representation of the utility model embodiment's support;
Fig. 6 is the sectional structure schematic representation of the utility model embodiment's support;
Fig. 7 is the utility model embodiment's video disc spring and a support assembled construction schematic representation;
Figure of description mark On Behalf Of The Name is described as follows:
1. clutch pulley, 2. double-diaphragm spring device, 3. clutch end cap, 4. first driven disc, 5. bearing, 6. nut, 7. power input shaft, 8. driving disc, 9. separator disk 10. separates screw rod, 11. packing ring, 12. separator levers, 13. bearing pins, 14. segregating unit, 15. bearings, 16. back-up rings, 17. second driven disc, 21,22. disc-shaped diaphragm springs, 23. supports
Embodiment
Embodiment 1:
As illustrated in fig. 1 and 2, clutch of the present utility model, comprise clutch pulley 1, separator disk 9, first driven disc 4, driving disc 8, second driven disc 17 and be anchored on clutch end cap 3 on the clutch pulley 1, the double-diaphragm spring device 2 that compresses separator disk 9 is installed on clutch pulley 1 interior edge face, between two driven discs 4 and 17 driving disc 8 is arranged, bearing 15 is housed on clutch pulley 1 and is equipped with back-up ring 16, double-diaphragm spring 2 is contained on the seam of clutch pulley 1, set up the separator disk 9 and first driven disc 4 that separate screw rod 10, second driven disc 17 and driving disc 8 all are assemblied on the clutch pulley 1, clutch end cap 3 by bolton on clutch pulley 1; Separator levers 12 is installed in by bearing pin 13 on the lug of clutch pulley 1 end face, and the intersection end of separator levers 12 places the position of separating screw rod 10, and there are packing ring 11 and nut in the end of separating screw rod 10.Shown in Fig. 3-5, double-diaphragm spring device 2 comprises that two disc- shaped diaphragm springs 21,22 and 23, two disc-shaped diaphragm springs of support 21,22 are thin-walled hollow round table body shown in Figure 3, and outward appearance is dish.Support 23 is the flange plate shape, and the two edges part external diameter of support is less than middle body.The internal diameter of the end face of two disc- shaped diaphragm springs 21,22 is suitable with the external diameter of support two end portions, the tapered tip of two disc- shaped diaphragm springs 21,22 is overlapped respectively and is pressed in the support two ends, thereby the existing clutch moment of torque of torque ratio of clutch has been improved more than the twice; Two video discs adopt certain tapering angle shape, to change the angle control clutch of its video disc, can make the clutch reflection sensitive, more reliable more; Video disc adopts the support assist control, and the bounce-back that can effectively resist video disc can thoroughly separate clutch, has avoided wearing and tearing, has improved working life.
Disc- shaped diaphragm spring 21,22 has different thickness in the utility model, and wherein the thickness of disc-shaped diaphragm spring 21 is greater than the thickness of disc-shaped diaphragm spring 22.As shown in Figure 2, during installation, disc-shaped diaphragm spring 21, support 23, disc-shaped diaphragm spring 22 are installed on the belt pulley interior edge face successively, separator disk 9 presses on disc-shaped diaphragm spring 22, and the effect by the utility model double-diaphragm spring device 2 is with separator disk 9, driven disc parts 4, driving disc 8 and clutch cover 3 forcing together tightly.Clutch can install on the power input shaft 7, and the end is fixing with nut 6.Handle segregating unit 14, can make separator levers 12 motions, and make separation screw rod 10 and separator disk 9, overcome the elastic force of double-diaphragm spring device 2, make first driven disc 4 and second driven disc 17 no longer be in impaction state, and reach the purpose of separation along axial-movement.During clutch work, the power of separator disk 9 makes the moment of torsion of the two can play the effect of stack by two disc-shaped diaphragm springs of different-thickness, thereby the moment of torsion of clutch is improved, thereby prevent that driven disc from skidding and the damage of friction plate, prolonged the working life of clutch greatly.
Support 23 between two disc-shaped diaphragm springs in the utility model is the flange plate shape, and the two edges part external diameter of support is less than middle body.Because the internal diameter of the round platform end face of two disc- shaped diaphragm springs 21,22 is suitable with the external diameter of support two end portions, two disc- shaped diaphragm springs 21,22 overlap respectively and are pressed in the support two ends.Simultaneously, the two edges part of support 23 and the equal in length of middle body, disc- shaped diaphragm spring 21,22 overlaps the two edges part that is pressed in support respectively, and on support and the middle body.This kind supporting structure navigation performance is good, polarization strong, be easy to Installation and Debugging, has also effectively prevented the bounce-back of disc-shaped diaphragm spring simultaneously.
In view of the double-diaphragm spring device is very crucial component in clutch, material and performance demands are high, for guaranteeing the requirement of aspects such as its hardness, metallographic structure, load character and surface, add man-hour, with material through shear blanking → blanking and punching → cold-press moulding → acute angle abate → hot quenching → cleaning → high temperature prompt tempering → suppress → shot-peening → part throttle characteristics detection → manufacturing process such as antirust processing, formation has the disc- shaped diaphragm spring 21,22 of specific taper angle, and support is done quenching with Subsequent tempering after being machined to flange plate.
By adopting above-mentioned mode of execution of the present utility model, by the double-diaphragm spring device moment of torsion of clutch is obviously improved, the impacting force of spring increases, and has satisfied the requirement of high-power output lorry, improve the working life of clutch, thereby realized the purpose of this utility model.
Another mode of execution of the present utility model and embodiment's 1 structure are basic identical, difference is that the thickness of two disc-shaped diaphragm springs is identical, during clutch work, the power of separator disk 9 is by the identical disc-shaped diaphragm spring of two thickness, make the moment of torsion of the two can play the effect of stack, thereby the moment of torsion of clutch is improved, thereby prevent that driven disc from skidding and the damage of friction plate, prolonged the working life of clutch greatly, reach the purpose of this utility model.
Claims (9)
1. clutch comprises clutch pulley, separator disk, driven disc, driving disc and is anchored on clutch cover on the clutch pulley, it is characterized in that, the double-diaphragm spring device that compresses separator disk is installed on the described clutch pulley interior edge face.
2. a kind of clutch according to claim 1 is characterized in that, described double-diaphragm spring device comprises two disc-shaped diaphragm springs and support, and described two disc-shaped diaphragm springs are installed on respectively on the described support.
3. a kind of clutch according to claim 2 is characterized in that, described two disc-shaped diaphragm springs are thin-walled hollow round table body.
4. a kind of clutch according to claim 3 is characterized in that, described two disc-shaped diaphragm springs have identical thickness.
5. a kind of clutch according to claim 3 is characterized in that, described two disc-shaped diaphragm springs have different thickness.
6. a kind of clutch according to claim 5 is characterized in that, thicker one directly compresses separator disk in described two disc-shaped diaphragm springs.
7. a kind of clutch according to claim 6 is characterized in that, described support is the flange plate shape.
8. a kind of clutch according to claim 7 is characterized in that, the two edges part external diameter of described support is less than middle body.
9. a kind of clutch according to claim 8 is characterized in that, the external diameter of the internal diameter of the tapered tip of described two disc-shaped diaphragm springs and support two end portions is suitable, and described two disc-shaped diaphragm springs overlap respectively and are pressed in the support two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200002727U CN201057230Y (en) | 2007-01-18 | 2007-01-18 | Clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200002727U CN201057230Y (en) | 2007-01-18 | 2007-01-18 | Clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201057230Y true CN201057230Y (en) | 2008-05-07 |
Family
ID=39426072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200002727U Expired - Fee Related CN201057230Y (en) | 2007-01-18 | 2007-01-18 | Clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201057230Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486149A (en) * | 2013-09-19 | 2014-01-01 | 封新初 | Novel power clutch assembly of agricultural machine |
| CN109578455A (en) * | 2019-01-24 | 2019-04-05 | 襄垣县仁达机电设备有限公司 | Large torque agricultural machinery Wheeled type clutch |
-
2007
- 2007-01-18 CN CNU2007200002727U patent/CN201057230Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486149A (en) * | 2013-09-19 | 2014-01-01 | 封新初 | Novel power clutch assembly of agricultural machine |
| CN109578455A (en) * | 2019-01-24 | 2019-04-05 | 襄垣县仁达机电设备有限公司 | Large torque agricultural machinery Wheeled type clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 |