CN214248066U

CN214248066U - Clutch device

Info

Publication number: CN214248066U
Application number: CN202022755534.9U
Authority: CN
Inventors: 季建东; 冯清波
Original assignee: Weifang Jx Machinery Co ltd
Current assignee: Weifang Jx Machinery Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-21
Anticipated expiration: 2030-11-25

Abstract

The utility model provides a clutch, which comprises an outer shell, be provided with the transmission shaft in the shell, the fixed cover of one end of transmission shaft is equipped with the driving disk, one side cover of driving disk is equipped with the driven plate, be provided with intermediate disk and two friction disks between driving disk and the driven plate, two the friction disk sets up the both sides at the intermediate disk, two the periphery of friction disk all is provided with first external tooth, the shell inboard still is provided with the ring gear, be provided with on the ring gear with first external tooth meshing's first internal tooth, one side that the driving disk was kept away from to the driven plate still is provided with disc spring and pressure disk, the pressure disk is connected with the pressure claw that the drive pressure disk is close to or keeps away from the driven plate. The power is transmitted to the two friction disks, and the two friction disks transmit the power to the driven disk, the middle disk and the driving disk which are arranged on the side parts through the friction force, so that the transmission parts are enlarged, the thickness of each part can be properly reduced, and the transmission efficiency is improved.

Description

Clutch device

Technical Field

The utility model relates to a clutch, specifically speaking relates to a clutch.

Background

One end of the agricultural clutch is connected with an engine flywheel, the other end of the agricultural clutch is connected with a gearbox, the agricultural clutch has larger horsepower transmission, the power of an engine is generally transmitted to the clutch through a belt, an intermediate plate on the clutch is connected with a belt pulley for transmitting the power, friction discs arranged on two sides of the intermediate plate can be pressed or loosened with the intermediate plate through pressure plates to realize the transmission and interruption of the power, the method needs the thickness of the intermediate plate to be larger, the whole thickness of the clutch is larger, the whole size of the clutch is small, the transmitted power is limited, the whole size of a friction part is smaller, the effective contact area of the friction discs and the intermediate plate is small, the transitional friction of the friction discs is easily caused, the damage is serious, and the output power is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point of above-mentioned conventional art, provide a clutch.

The purpose of the utility model is achieved through the following technical measures: a clutch, characterized in that: the motor comprises an outer shell, be provided with the transmission shaft in the shell, the fixed cover of one end of transmission shaft is equipped with the drive plate, one side cover of drive plate is equipped with the driven plate, be provided with intermediate disk and two friction discs, two between drive plate and the driven plate the friction disc sets up in the both sides of intermediate disk, two the periphery of friction disc all is provided with first external tooth, the shell inboard still is provided with the ring gear, be provided with on the ring gear with first internal tooth of first external tooth meshing, one side that the drive plate was kept away from to the driven plate still is provided with disc spring and pressure disk, the pressure disk is connected with the pressure claw that the drive pressure disk is close to or keeps away from the driven plate.

As a preferred scheme, one side of drive plate is provided with the boss, the boss sets up along the axial, driven plate, friction disk and interveterbral disc all suit are on the boss, be provided with first through-hole along the axial on the drive plate, the drive plate passes through first through-hole suit on the transmission shaft, be provided with spacing sand grip in the first through-hole, be provided with on the transmission shaft with spacing sand grip complex spacing recess.

As a preferred scheme, a second through hole is formed in the middle disc, the middle disc is sleeved on the boss through the second through hole, second external teeth are arranged on the boss, and second internal teeth meshed with the second external teeth are arranged in the second through hole.

As a preferable scheme, a third through hole is formed in the driven disc, and third inner teeth meshed with the second outer teeth are arranged in the third through hole.

As a preferred scheme, the inner gear ring is provided with a connecting hole, the connecting hole is connected with an engine, and one end, far away from the driving disc, of the transmission shaft is provided with a connecting tooth connected with the gearbox.

Preferably, a fourth through hole is formed in the friction disc, and the diameter of the fourth through hole is larger than that of the boss.

Preferably, friction parts are arranged on two sides of the friction disc, and the number of the first external teeth is n, wherein 90 < n < 110.

Preferably, the friction part is annular, the outer diameter of the friction part is R1, the radius of the fourth through hole is R2, and 0.5R1 < (R1-R2) < 0.7R 1.

As a preferred embodiment, 180 < R1 < 210 and 90 < R2 < 110.

Preferably, the minimum diameter from the circle center of the friction disc to the first external teeth is R3, and R3 is not less than R1.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model provides a clutch, through transmitting power for two friction discs, two friction discs transmit the driven plate that the lateral part set up with power through frictional force, intermediate disc and driving plate, transmission parts has been enlarged, thereby can suitably reduce the thickness of each part, improve transmission efficiency, the number of teeth through increasing first external tooth, and the overall dimension of friction disc, can effectively increase the area of friction portion, improve holistic stability, thereby increase output, make the clutch realize whole enlargeing, thereby increase output.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a clutch according to the present invention.

Fig. 2 is a schematic view of a partial structure of a clutch according to the present invention.

Fig. 3 is a schematic view of a partial structure of a clutch according to the present invention.

Fig. 4 is a schematic sectional view of a-a of a clutch according to the present invention.

Fig. 5 is a schematic structural view of a driving plate of a clutch according to the present invention.

Fig. 6 is a schematic view of a transmission shaft structure of a clutch according to the present invention.

Fig. 7 is a structural schematic diagram of a friction disc of a clutch according to the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): as shown in fig. 1-7, a clutch comprises a housing 1, in this embodiment, the housing 1 is integrally trumpet-shaped, wherein, the diameter of one end is larger than that of the other end, a transmission shaft 2 is arranged in the shell 1, one end of the transmission shaft 2 is fixedly sleeved with a driving disc 3, the driving disc 3 is arranged at the large opening end of the shell 1, a driven plate 4 is sleeved on one side of the driving plate 3, a middle plate 5 and two friction plates 6 are arranged between the driving plate 3 and the driven plate 4, the two friction plates 6 are arranged on two sides of the middle plate 5, first external teeth 7 are arranged on the peripheries of the two friction plates 6, the inner side of the shell 1 is also provided with an inner gear ring 8, the inner gear ring 8 is provided with first inner teeth meshed with the first outer teeth 7, and a disc spring 9 and a pressure plate 10 are further arranged on one side, away from the driving disc 3, of the driven disc 4, and the pressure plate 10 is connected with a pressure claw 11 for driving the pressure plate 10 to be close to or away from the driven disc 4.

In this embodiment, as shown in fig. 3, three pressing claws 11 are provided, an annular connecting fork 13 is connected through a connecting rod 12, the connecting fork 13 is fixedly connected with a shifting fork 14, the connecting fork 13 is connected with the transmission shaft 2 through a bearing, and the shifting fork 14 shifts the connecting fork 13 to move towards a direction close to or away from the driving disk 3, so that the connecting rod 12 drives the pressing claws 11 to compress or release the pressing disk 10, when the pressing disk 10 is compressed by the pressing claws 11, the pressing disk 10 compresses the disc spring 9, and the disc spring 9 compresses the driven disk 4, the two friction disks 6, the intermediate disk 5 and the driving disk 3 together, thereby realizing the transmission of power, otherwise, the power is disconnected.

As shown in fig. 4-5, a boss 15 is disposed on one side of the driving disk 3, the boss 15 is disposed along the axial direction, the driven disk 4, the friction disk 6 and the intermediate disk 5 are all sleeved on the boss 15, a first through hole 16 is disposed on the driving disk 3 along the axial direction, the driving disk 3 is sleeved on the transmission shaft 2 through the first through hole 16, a limiting convex strip 17 is disposed in the first through hole 16, and as shown in fig. 6, a limiting groove 18 matched with the limiting convex strip 17 is disposed on the transmission shaft 2.

As shown in fig. 4, a second through hole is formed in the intermediate disk 5, the intermediate disk 5 is sleeved on the boss 15 through the second through hole, a second external tooth 19 is arranged on the boss 15, and a second internal tooth engaged with the second external tooth 19 is arranged in the second through hole. And a third through hole is formed in the driven disc 4, and third internal teeth meshed with the second external teeth 19 are arranged in the third through hole.

As shown in fig. 1-3, the ring gear 8 is provided with a connecting hole 20, the connecting hole 20 is connected with an engine, and one end of the transmission shaft 2, which is far away from the driving disk 3, is provided with a connecting tooth 21 connected with a transmission case.

In this embodiment, the friction disc 6 is provided with a fourth through hole 22, and the diameter of the fourth through hole 22 is larger than the diameter of the boss 15.

The inner gear ring 8 is connected with a flywheel of an engine through a connecting hole 20 and connected with the two friction disks 6 through first inner teeth, power is transmitted to the two friction disks 6 to drive the two friction disks 6 to rotate, after the driven disk 4, the friction disks 6, the intermediate disk 5 and the driving disk 3 are tightly pressed, the friction disks 6 drive the intermediate disk 5, the driven disk 4 and the driving disk 3 to rotate through friction force, the driving disk 3 drives the transmission shaft 2 to rotate through a limit convex strip 17, the transmission shaft 2 transmits the power to the gearbox through connecting teeth 21, when gear shifting is needed, the pressing claw 11 releases the pressing disk 10, the driven disk 4, the friction disks 6, the intermediate disk 5 and the driving disk 3 are separated and are not tightly pressed, the driven disk 4, the intermediate disk 5 and the driving disk 3 cannot obtain power through friction force, and the transmission shaft 2 stops rotating.

In this embodiment, friction portions 23 are disposed on both sides of the friction disc 6, and the number of the first external teeth 7 is n, where 90 < n < 110. In this embodiment, n =100, among the prior art, n is not more than 80, the utility model discloses increased the quantity of first external tooth 7, increased holistic size to increase the area of friction portion 23, improve the power of transmission.

The friction part 23 is annular, the outer diameter of the friction part 23 is R1, the radius of the fourth through hole is R2, and 0.5R1 < (R1-R2) < 0.7R 1. 180 < R1 < 210, 90 < R2 < 110. In this embodiment, R1=190, R2=100, and the width of the annular friction portion 23 is R1-R2, which greatly increases the area of the friction portion 23 compared to the prior art in which the friction portion 23 occupies, thereby increasing the total friction area on the friction disk 6 and making the friction effect more remarkable.

In this embodiment, the total thickness of the friction disc is H, 20 < H < 25, and in this embodiment, H =22, which is generally no greater than 15 as compared to the prior art, increasing the total thickness and the overall stability of the friction disc.

The minimum diameter from the circle center of the friction disc to the first external teeth 7 is R3, and R3 is not smaller than R1. In this embodiment, R3=195, and the first external teeth 7 are used for transmission connection with other components and are located outside the friction portion 23.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A clutch, characterized in that: the motor comprises an outer shell, be provided with the transmission shaft in the shell, the fixed cover of one end of transmission shaft is equipped with the drive plate, one side cover of drive plate is equipped with the driven plate, be provided with intermediate disk and two friction discs, two between drive plate and the driven plate the friction disc sets up in the both sides of intermediate disk, two the periphery of friction disc all is provided with first external tooth, the shell inboard still is provided with the ring gear, be provided with on the ring gear with first internal tooth of first external tooth meshing, one side that the drive plate was kept away from to the driven plate still is provided with disc spring and pressure disk, the pressure disk is connected with the pressure claw that the drive pressure disk is close to or keeps away from the driven plate.

2. A clutch according to claim 1, wherein: one side of drive plate is provided with the boss, the boss sets up along the axial, driven plate, friction disk and intermediate disk all suit are on the boss, be provided with first through-hole along the axial on the drive plate, the drive plate passes through first through-hole suit on the transmission shaft, be provided with spacing sand grip in the first through-hole, be provided with on the transmission shaft with spacing sand grip complex spacing recess.

3. A clutch according to claim 2, wherein: the middle disc is provided with a second through hole, the middle disc is sleeved on the boss through the second through hole, second external teeth are arranged on the boss, and second internal teeth meshed with the second external teeth are arranged in the second through hole.

4. A clutch according to claim 3, wherein: and a third through hole is formed in the driven disc, and third inner teeth meshed with the second outer teeth are arranged in the third through hole.

5. A clutch according to claim 4, wherein: the internal gear ring is provided with a connecting hole, the connecting hole is connected with an engine, and one end, far away from the driving disc, of the transmission shaft is provided with a connecting tooth connected with the gearbox.

6. A clutch according to any one of claims 2 to 5, wherein: and a fourth through hole is formed in the friction disc, and the diameter of the fourth through hole is larger than that of the boss.

7. A clutch according to claim 6, wherein: the friction parts are arranged on two sides of the friction disc, the number of the first external teeth is n, and n is more than 90 and less than 110.

8. A clutch according to claim 7, wherein: the friction part is annular, the outer diameter of the friction part is R1, the radius of the fourth through hole is R2, and 0.5R1 < (R1-R2) < 0.7R 1.

9. A clutch according to claim 8, wherein: 180 < R1 < 210, 90 < R2 < 110.

10. A clutch according to claim 9, wherein: the minimum diameter from the circle center of the friction disc to the first external teeth is R3, and R3 is not smaller than R1.