Content of the utility model
An object of the utility model is to provide a clutch, this clutch has the effect of connecting and damping through optimizing the structure of driven plate, need not install the damping piece, saves space to can increase the thickness of friction piece, increase of service life, reduce the change frequency.
To this end, the utility model discloses a following technical scheme: the utility model discloses a following technical scheme.
A clutch comprises a clutch.
The flywheel is connected with an engine rotating shaft.
A plurality of U-shaped through holes are arranged on the driven disc at intervals in the circumferential direction, the U-shaped through holes divide the driven disc into a disc body and an elastic sheet, and the elastic sheet is bent to protrude out of the plane of the disc body.
Two sets of friction assemblies, two sets of friction assemblies are oppositely arranged on two sides of the driven disc, wherein the friction component on one side abuts against the elastic sheet, and the flywheel can drive the driven disc to rotate through the friction component close to one side of the flywheel.
The output shaft passes through the center of the driven plate, and the driven plate can drive the output shaft to rotate.
, The two sets of friction components are respectively fixedly arranged on two sides of the driven disc through rivets.
, The friction component comprises an annular friction disc which is arranged on the driven disc and is concentric with the driven disc.
, The friction assembly comprises a plurality of friction plates, and the plurality of friction plates are arranged along the axial direction of the driven plate.
, The method further comprises the following steps.
The connecting disc is sleeved on the output shaft and fixedly connected with the output shaft through a spline, and the connecting disc rotates synchronously with the output shaft.
The vibration damping piece and the driven plate can drive the connecting disc to rotate through the vibration reduction part.
, first Through holes are arranged on the connecting disc; second through holes are arranged on the connecting disc; first through holes are opposite to second through holes; and the damping springs are arranged in first through holes and second through holes, and the two ends of the damping spring are respectively contacted with the first through holes and the second through holes in the circumferential direction of the connecting disc.
, The thickness of the driven disc is 1.3 mm.
, Both sets of said friction assemblies can be used for the sum of the thicknesses of wear 4.7 mm.
, The pressing mechanism comprises a pressing mechanism, and the pressing mechanism comprises a pressing mechanism.
The pressure plate is arranged on one side of the driven plate away from the flywheel.
Drive assembly, drive assembly can drive the pressure disk with the follower disk with the friction subassembly presses to the flywheel.
, The clutch cover further comprises a clutch cover fixedly connected with the flywheel, and the driving assembly comprises a clutch cover.
The diaphragm spring is disc-shaped, comprises a circular ring part and a plurality of pressing sheets arranged at intervals in the circumferential direction, and the pressure plate is connected with the circular ring part.
One end of the plurality of support pieces is fixedly connected with the diaphragm spring along the circumferential direction of the diaphragm spring, and the other end of the plurality of support pieces is arranged on the clutch cover.
The beneficial effect of the utility model:
The utility model provides a clutch. In this clutch. Through structural modification to the driven plate, the driven plate is divided into a disc body and an elastic piece by U through holes, and the elastic sheet is bent to protrude out of the plane of the disc body so as to form an elastic structure. When the pressure plate presses the driven plate towards the flywheel, the pressure of the elastic piece on the pressure plate is buffered to a certain extent, and the effect of the damping piece is achieved. The driven plate of the clutch is equivalent to integrating the driven plate and the damping piece in the prior art, reducing the thickness, and enabling the friction component to correspondingly increase the thickness. The service life of the clutch is prolonged. The size of the clutch pressure plate and the clutch end cover is not required to be reduced, and the torque transmission capability of the clutch is not reduced. Heat dissipation capability and other comprehensive properties. On the basis of the existing clutch structure, the driven plate can be directly replaced with a clutch driven plate and a damping piece in the prior art. By using the clutch, the replacement frequency of the clutch friction assembly can be reduced, the period of changing the clutch by the user is prolonged, and the expenditure of labor cost and part purchase cost is reduced.
Mode of execution
Will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, the terms' center ',' upper ',' lower ',' left ',' right ',' vertical ',' horizontal ',' inner ',' outer ', and the like are merely illustrative of the present invention and simplify the description. Also, the terms '1st' and '2nd' are used for descriptive purposes only and are not to be construed as indicating or imply relative importance. Herein, the terms '1st position' and '2nd position' are two different positions.
Unless otherwise defined and defined, the terms' mounted, '' connected, '' connected, '' connected, 'and' fixed ' are to be construed broadly, and may be, for example, fixedly connected, or may be detachably connected. The utility model can be a mechanical connection or an electric connection. The utility model can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of the two elements or the interaction relation of the two elements. The specific meaning of the above terms in the present invention may be understood by one of ordinary skill in the art in light of the specific situation.
Unless otherwise defined and defined, first features are 'on' or 'under' second features, may include first features and second features in direct contact, or first features and second features may not be in direct contact but by additional features therebetween. Also, first features above second features. 'Upper' and 'upper' include first features being above second and obliquely above, or merely representing first features horizontal height above second features. The first Features below second features' below ',' below 'and' below ' include first features being below second and below and obliquely, or simply representing first features horizontal height less than second features.
The technical solution of the present invention will be further described below with reference to the drawings and by way of specific embodiments.
The present embodiment provides a clutch. As shown 1 and 2, the clutch includes a flywheel, a driven plate 1, two sets of friction assemblies 2, and an output shaft 3. The flywheel is connected with an engine rotating shaft. As shown 3, the driven plate 1 is provided with a plurality of U-type through holes 11 at circumferentially spaced intervals, U type through holes 11 separate the driven plate 1 into discs 12 and elastic sheets 13, and the elastic sheets 13 bend the plane of the protruding disk body 12. Two sets of friction assemblies 2 are disposed on opposite sides of the driven disk 1 with the friction assembly 2 on one side pressed against the spring plate 13, and the flywheel can drive the driven disk 2 to rotate through the friction assembly 1 close to one side of the flywheel. The output shaft 3 passes through the center of the driven disc 1, and the driven disc 1 can drive the output shaft 3 to rotate.
This clutch improves the structure of the driven disk 1. The driven plate 1 is provided with a plurality U through holes 11 to separate the driven plate 1 into the disc body 12 and the elastic sheet 13, and then the elastic sheet 13 is bent. The two friction assemblies 2 are disposed opposite to the driven plate 1, and the friction assembly 13 on the side of the spring plate 2 is pressed against the spring plate 13 to maintain a certain clearance with the disc 12. The elastic force of the elastic piece 1 can play a certain buffering effect on the pressure received by the friction assembly 13 during the contact of the driven plate 2 to the flywheel. Due to the fact that the driven disc 1 of the clutch can play a role of connecting and damping at the same time. , The vibration damping sheet is not required to be separately arranged, so that the thickness is remarkably reduced compared with the driven disc 1 and the damping sheet in the prior art. On the premise of not changing other structures, the thickness of the friction assembly 2 can be correspondingly increased, that is, the abradable thickness is increased, the replacement frequency of the clutch friction assembly 2 is reduced, the period of changing the clutch by the user is prolonged, and the expenditure of labor cost and part purchase cost is reduced.
, The two sets of friction elements 2 are fixedly arranged on both sides of the driven disk 4 by rivets 1, respectively. The rivet 4 is simple in connection structure and convenient to maintain, the counter bore can be arranged on the friction component 2, the friction component 4 can be fixed on the driven disc 2 through the counter bore by the rivet 1, and the friction component 2 cannot be protruded on the friction component 2 without affecting the normal work of the friction component 2.
, The friction assembly 2 comprises an annular friction disc disposed on the driven disc 1 and concentric with the driven disc 1. A through hole is provided between the annular friction plates, and the output shaft 3 can be avoided. And annular structure makes friction assembly 2 and flywheel contact area be big, and frictional force can be evenly distributed on whole annular friction disc, reduces annular friction disc wearing and tearing's speed, has improved life.
As the annular friction disc is a whole friction plate, if the annular friction disc is seriously abraded, the whole annular friction disc can be replaced, and the maintenance cost is greatly increased. To solve this problem, the friction assembly 2 includes a plurality of friction plates disposed along an axial direction of the driven disk 1. Each friction plate is respectively arranged on the driven disc 4 through a set of rivets 1, and when the condition of serious abrasion or friction surface damage occurs, the friction plate with the problem can be replaced independently, so that the maintenance cost is greatly reduced.
, The clutch further comprises a connecting disk 5 and a damping element 6. The connecting disc 5 is sleeved on the output shaft 3 and fixedly connected with the output shaft 3 through a spline, and the connecting disc 5 and the output shaft 3 rotate synchronously. The driven disk 1 can be rotated by the damper 6 driving the land 5.
The driven disc 1 is connected with the connecting disc 6 through the vibration damper 5 to drive the connecting disc 5 to rotate, the connecting disc 5 and the output shaft 3 are connected through a spline, and transmission of engine power is realized. When the power generation speed is high, the torque is large, the impact force of the friction plate and the flywheel friction makes the driven plate 1 rotate, and when the output shaft 3 is directly acted on, the output shaft 3 or the gearbox is easily damaged. The vibration damper 6 can solve this problem well, and when the driven disk 1 rotates, acts on the damping member 6, and forces the damping member 6 to act on the connecting disk 5, thereby greatly alleviating the impact force.
, The damping piece 6 is a damping spring, 5 through holes are formed in the connecting disc first 1 through holes are arranged on the driven disc second and the damping springs are opposite to first through holes, and the damping springs are arranged in second through holes and first through holes respectively, and the two ends of the damping spring abut second through holes and first through holes in the circumferential direction of the connecting disc second 5.
The damping spring can relax the impact force by compression. When the driven disc 1 rotates, second through holes push the damping springs to compress and drive the connecting discs 5 to rotate through the elastic force of the damping springs, so that the driving discs 1 are gradually increased in rotating speed under the action of the damping springs until the driven discs 5 1 rotate synchronously. When the engine stall or friction assembly 2 is disengaged from the flywheel such that the rotation speed of the driven disk 1 decreases, the damping spring can reduce the impact of the connecting disk 5 against the driven disk 1 in a reverse direction.
In order to keep the stress balance, the connecting disc 5 is provided with a plurality first through holes in the circumferential direction, the driven disc 1 is provided with a plurality second through holes in the circumferential direction, and the plurality first 1st through holes correspond to the second 2nd through holes in one-to-one mode.
The thickness of the driven disc 1 is 1.3 mm, in 1, and the total thickness of the driven disc 2.8 mm and the vibration reduction sheet is in the range of from zero. 1. The driven disc 1.5 mm of the clutch is thinner than the prior art, namely, the friction component 2 can increase 1.5 mm thickness, and the service life is greatly prolonged.
Further, the total thickness of the friction plates 2 for working friction and 4.7 mm, in the prior art can be 3.2 mm, and after replacement of the driven plate 1 and the damping piece in the prior art by the driven plate 1 of the clutch, the thickness of the friction assembly 2 can be increased to 4.7 mm, that is, 47% prolongs the service life.
, It is preferred. The clutch also includes a hold-down mechanism 7. The pressing mechanism 7 includes a platen 71 and a drive assembly 72, and the platen 71 is disposed on a side of the driven disk 1 away from the flywheel. The drive assembly 72 can drive the platen 71 to press the driven disk 1 against the friction assembly 2 toward the flywheel. When power is required to transmit, the platen 71 compresses the driven disk 72 and the friction assembly 1 on the flywheel by driving the drive assembly 2 such that the driven disk 1 and the friction assembly 2 rotate with the flywheel. When power is not required, the drive assembly 72 drives the platen 71 to disengage the driven disk 1 and the friction assembly 2 such that the driven disk 1 and the friction assembly 2 return to a state before the driven disk 1 itself contacts the flywheel. The transmission of power is stopped by disengaging the flywheel.
, The clutch further comprises a clutch cover 73, the clutch cover 73 is fixedly connected to the flywheel, and the drive assembly 72 comprises a diaphragm spring 721 and a plurality of supports 722. As shown 4, the diaphragm spring 721 has a disk shape including a ring portion 7211 and a plurality of press pieces 721 arranged at intervals in the circumferential direction and facing the center of the diaphragm spring 7212, and the platen 71 is connected to the circular ring portion 7211. One end of the plurality of supports 722 is fixedly connected to the diaphragm spring 721 along the circumferential direction of the diaphragm spring 721, and the other end of the plurality of supports 722 is provided on the clutch cover 73.
The clutch cover 73 rotates synchronously with the flywheel. The diaphragm spring 721 and the platen 71 are driven to rotate continuously. The diaphragm spring 721 has the function of a compression spring and a release lever. The diaphragm spring 721 is fixed to the clutch cover 722 through a plurality of supports 73, and the pressure plate 71 is driven to press the driven plate 1 and the friction assembly 2 against the flywheel by the own elastic force to transmit power. When the pressing piece 721 of the diaphragm spring 7212 is subjected to pressure bending, the annular part 721 of the diaphragm spring 7211 moves in the reverse direction of the axial pressing piece 722 with the supporting piece 7212, and the pressure plate 71 is driven to disengage from the driven plate 1 and the friction assembly 2. The driven plate 1 and the friction member 2 are disengaged from the flywheel, and the transmission of power is cut off. Since the diaphragm spring 721 and the pressure plate 71 are in contact with the whole circumference, the pressure distribution is uniform, the contact of the friction plate is good, and the abrasion is uniform. As the diaphragm spring 721 is a rotationally symmetrical part, the balance is good, and the pressing force can still be stably provided during high-speed rotation.
, The plurality of supports 722 may move in the radial direction of the diaphragm spring 721 to change the position of the support point. By adjusting the position of the support point of the diaphragm spring 721, the pressing force of the pressure plate 71 can be adjusted according to the abrasion thickness of the friction plate, the minimum pressing force of the whole pressure plate 71 in the using range of the clutch friction plate is kept unchanged, and reliable transmission of torque is ensured.
The foregoing is merely a preferred embodiment of the present invention, and it will be understood by those of ordinary skill in the art that changes may be made in the detailed description and the scope of application, which should not be construed as limiting the present invention.
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