CN214424947U

CN214424947U - Clutch capable of ensuring coaxiality precision

Info

Publication number: CN214424947U
Application number: CN202023177523.3U
Authority: CN
Inventors: 程仁安
Original assignee: Hefei Milling Yuexing Machinery Co ltd
Current assignee: Hefei Milling Yuexing Machinery Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-19
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a guarantee clutch of axiality precision, which comprises a bracket, the support rotates and is connected with the flywheel, one side sliding connection that the flywheel was kept away from to the support has the disk, the center of rotation department sliding connection of disk has the input shaft, first branch, two have all been welded to two upper and lower walls of disk the equal sliding connection of first branch has the diaphragm, the diaphragm welding is at the inner wall of support, two the common welding of branch has the pressure disk, the common welding of support and pressure disk has two first springs, the one end welding that the disk was kept away from to the input shaft has the friction disk, the center of rotation department welding of flywheel has the flywheel axle, first cavity has been seted up towards one side of friction disk to the pressure disk. The utility model discloses beneficial effect can make flywheel and friction disk can carry out the thermal removal to the production of rubbing when contact friction, can also guarantee in the transmission process of power that the rotation center of flywheel and the rotation center of input shaft are on same root axis.

Description

Clutch capable of ensuring coaxiality precision

Technical Field

The utility model relates to an automobile clutch technical field especially relates to a guarantee clutch of axiality precision.

Background

The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, and the output shaft of the clutch is the input shaft of the gearbox. During the running of the automobile, the driver can press or release the clutch pedal according to the requirement, so that the engine and the gearbox are temporarily separated and gradually jointed, and the power input by the engine to the gearbox is cut off or transmitted.

However, when the clutch transmits power through friction, a large amount of heat is easily generated, the deviation between the flywheel and the axis of the pressure plate is easily caused, and the working effect of the clutch is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a clutch which can ensure the coaxiality precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a guarantee clutch of axiality precision, includes the support, the support rotates and is connected with the flywheel, one side sliding connection that the flywheel was kept away from to the support has the disk, sliding connection has the input shaft in the center of rotation department of disk, first branch, two have all been welded to the upper and lower two walls of disk first branch equal sliding connection has the diaphragm, the diaphragm welding is at the inner wall of support, two the common welding of branch has the pressure disk, the common welding of support and pressure disk has two first springs, the one end welding that the disk was kept away from to the input shaft has the friction disk, the center of rotation department welding of flywheel has the flywheel axle.

Preferably, a first cavity is formed in one side, facing the friction disc, of the pressure plate, a fan is welded in the first cavity, radiating fins are fixedly arranged on the circumferential portion of the friction disc, and a plurality of second cavities are formed in the friction disc.

Preferably, the roof welding of second cavity has the second spring, the other end welding of second spring has the gag lever post, the welding has the stopper on the gag lever post, the gag lever post runs through the friction disk and stretches to the outside, the bottom veneer of gag lever post has the stop collar, the top of circle piece and the position welding of keeping away from the support have third branch, third branch rotates and is connected with second branch, the other end welding of second branch has the footboard.

Preferably, a through hole is formed in the transverse plate, and the first supporting rod is connected with the transverse plate in a sliding mode through the through hole.

Preferably, a part of the friction disc close to the flywheel is separated from the input shaft, the limiting sleeve is positioned at the part, and the limiting sleeve is made of polyurea wear-resistant material.

Preferably, one side of the pressure plate, which is far away from the flywheel, is provided with a heat dissipation hole, and the heat dissipation hole is communicated with the first cavity.

Compared with the prior art, the utility model has the advantages of:

1. through setting up second spring, branch, stop collar isotructure for when flywheel and friction disc rely on the friction action to rotate, through the effect of second spring, branch and stop collar, make the flywheel axle and the rotation axis of input shaft on same root axis, avoid causing the skew of flywheel and pressure disk rotation center axle because of the friction, influence the effect of shifting of clutch.

2. Through setting up fan and louvre, fin isotructure, thereby when the pressure disk extrusion friction disc makes the flywheel drive and makes the axis of rotation rotate through the friction with the friction disc, the fan in the pressure disk rotates and can cool down, has seted up the louvre simultaneously, can increase and exchange with external gas, carries out quick heat dissipation, and the fin on the friction disk also plays the radiating effect on the friction disk simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a clutch for ensuring coaxiality accuracy according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in a structural schematic view of a clutch for ensuring coaxiality accuracy according to the present invention;

fig. 3 is a side view of the inside of a friction disc in a clutch according to the present invention, which ensures the accuracy of coaxiality.

In the figure: the heat dissipation device comprises a support 1, a flywheel 2, a round block 3, a transverse plate 4, a first support rod 5, a first spring 6, a pressure plate 7, an input shaft 8, a first cavity 9, a fan 10, a friction disc 11, a flywheel shaft 12, heat dissipation fins 13, a second cavity 14, a second spring 15, a limiting rod 16, a limiting block 17, a limiting sleeve 18, a pedal 19, a second support rod 20, a third support rod 21 and heat dissipation holes 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a clutch for ensuring coaxiality accuracy comprises a support 1, wherein the support 1 is rotatably connected with a flywheel 2, one side of the support 1, which is far away from the flywheel 2, is slidably connected with a round block 3, the rotating center of the round block 3 is slidably connected with an input shaft 8, the upper wall and the lower wall of the round block 3 are both welded with first supporting rods 5, the two first supporting rods 5 are both slidably connected with transverse plates 4, the transverse plates 4 are welded on the inner wall of the support 1, a pressure plate 7 is welded on the two first supporting rods 5 together, two first springs 6 are welded on the support 1 and the pressure plate 7 together, one end of the input shaft 8, which is far away from the round block 3, is welded with a friction disc 11, the rotating center of the flywheel 2 is welded with a flywheel shaft 12, the friction disk 11 and the pressure plate 7 are in contact with and rub against the flywheel 2 to transmit power, and the round block 3 slides on the input shaft 8 by the action of the pedal 19, so that the friction disk 11 is in contact with and separated from the flywheel 2.

The side of the pressure plate 7 facing the friction disc 11 is provided with a first cavity 9, a fan 10 is welded in the first cavity 9, a radiating fin 13 is fixedly arranged on the circumferential part of the friction disc 11, a plurality of second cavities 14 are arranged in the friction disc 11, and the fan 10 is used for dissipating heat generated by friction between the friction disc 11 and the flywheel 2.

Second spring 15 is welded to the roof of second cavity 14, gag lever post 16 is welded to the other end of second spring 15, the welding has stopper 17 on the gag lever post 16, gag lever post 16 runs through friction disk 11 and stretches to the outside, the bottom veneer of gag lever post 16 has stop collar 18, stop collar 18 is used for the location to flywheel shaft 12 and input shaft 8, make flywheel shaft 12 and input shaft 8 be located same axis, avoid producing the skew of flywheel shaft 12 and input shaft 8 because of the friction, cause the influence to clutch work, third branch 21 is welded at the top of circle piece 3 and the position of keeping away from support 1, third branch 21 rotates and is connected with second branch 20, the other end welding of second branch 20 has footboard 19.

The through-hole has been seted up to diaphragm 4 inside, first branch 5 passes through-hole sliding connection with diaphragm 4, the friction disk 11 is close to the partly contact that breaks away from with input shaft 8 of flywheel 2, and stop collar 18 is located this part, and stop collar 18 adopts the preparation of polyurea wear-resistant material to form, avoid causing the harm because long-time and flywheel shaft 12 friction, the life of flywheel shaft 12 has been increased, louvre 22 has been seted up to one side that flywheel 2 was kept away from to pressure disk 7, louvre 22 link up with first cavity 9, louvre 22 can be so at the three contact in-process with fan 10's combined action, pressure disk 7 is rotatory in-process, carry out gaseous interchange, the help dispels the heat.

The utility model discloses in, under the initial condition, friction disk 11, pressure disk 7 and flywheel 2 contact, flywheel shaft 12 is carried on spacingly by stopper 17, make flywheel shaft 12 and input shaft 8 with on an axis, through the friction of flywheel 2 with friction disk 11 and make axis of rotation 8 and pressure disk 7 rotate, when pressure disk 7 carries out the pivoted, fan 10 also can rotate, and can carry out gaseous exchange through louvre 22, carry out and dispel the heat because the heat that the friction produced, the effect of fin 13 also can help dispel the heat simultaneously.

When the gear shifting operation is performed, only the pedal 19 needs to be stepped, the movement of the pedal 19 enables the round block 3 to move on the input shaft 8 towards the direction close to the pressure plate 7 through the second support rod 20 and the third support rod 21, at the moment, the pressure plate 7 moves towards the direction close to the round block 3 under the action of the first spring 6 and the first support rod 5, the flywheel 2, the friction disc 11 and the pressure plate 7 are separated, and at the moment, no friction phenomenon exists.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A clutch ensuring coaxiality accuracy comprises a bracket (1) and is characterized in that, the support (1) is rotatably connected with a flywheel (2), one side of the support (1) far away from the flywheel (2) is connected with a round block (3) in a sliding way, an input shaft (8) is connected to the rotating center of the round block (3) in a sliding manner, first supporting rods (5) are welded to the upper wall and the lower wall of the round block (3), transverse plates (4) are connected to the two first supporting rods (5) in a sliding manner, the transverse plate (4) is welded on the inner wall of the bracket (1), the two first supporting rods (5) are welded with the pressing plate (7) together, two first springs (6) are welded on the bracket (1) and the pressure plate (7) together, and a friction disc (11) is welded at one end, far away from the round block (3), of the input shaft (8), and a flywheel shaft (12) is welded at the rotating center of the flywheel (2).

2. A clutch for ensuring accuracy of coaxiality according to claim 1, wherein a first cavity (9) is opened on a side of said pressure plate (7) facing said friction disc (11), a fan (10) is welded in said first cavity (9), a heat sink (13) is fixedly arranged on a circumferential portion of said friction disc (11), and a plurality of second cavities (14) are opened inside said friction disc (11).

3. The clutch for ensuring the coaxiality accuracy according to claim 2, wherein a second spring (15) is welded to the top wall of the second cavity (14), a limiting rod (16) is welded to the other end of the second spring (15), a limiting block (17) is welded to the limiting rod (16), the limiting rod (16) penetrates through the friction disc (11) and extends to the outside, a limiting sleeve (18) is glued to the bottom of the limiting rod (16), a third supporting rod (21) is welded to the top of the round block (3) and a position far away from the support (1), the third supporting rod (21) is rotatably connected with a second supporting rod (20), and a pedal (19) is welded to the other end of the second supporting rod (20).

4. The clutch for ensuring the coaxiality accuracy according to claim 1, wherein a through hole is formed in the transverse plate (4), and the first supporting rod (5) is slidably connected with the transverse plate (4) through the through hole.

5. A clutch ensuring accuracy of coaxiality according to claim 3, characterized in that a portion of said friction disc (11) close to the flywheel (2) is out of contact with the input shaft (8) and said stop collar (18) is located in this portion, and said stop collar (18) is made of polyurea wear-resistant material.

6. The clutch for ensuring the coaxiality accuracy according to claim 1, wherein a heat dissipation hole (22) is formed in one side of the pressure plate (7) away from the flywheel (2), and the heat dissipation hole (22) is communicated with the first cavity (9).