CN217130152U

CN217130152U - Dual-purpose centrifugal clutch

Info

Publication number: CN217130152U
Application number: CN202123267905.XU
Authority: CN
Inventors: 潘致利; 潘薪全
Original assignee: Hunan Golden Ant Intelligent Equipment Co ltd
Current assignee: Hunan Golden Ant Intelligent Equipment Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-08-05
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a dual-purpose centrifugal clutch, include centrifugal body, action wheel and be used for being connected with the load transmission from the driving wheel, the centrifugal body is adorned on the action wheel cunning, and centrifugal body and action wheel are installed in from the driving wheel inner chamber from the driving wheel, and the coaxial rigid coupling of action wheel has one and the pivot from the driving wheel pin joint, and the pivot is located and has a fixed drive wheel from the coaxial rigid coupling of driving wheel one side. The utility model discloses a fixed drive wheel of coaxial rigid coupling in the pivot to the realization with engine synchronous drive and through two kinds of transmission mode of clutch intermittent type formula transmission, realize that the machine drives more loads, reach a tractor serves several purposes, energy saving and consumption reduction's effect.

Description

Dual-purpose centrifugal clutch

Technical Field

The utility model relates to a mechanical transmission technical field especially relates to a dual-purpose centrifugal clutch.

Background

The centrifugal clutch is installed on the output shaft of the engine and realizes automatic separation or connection by generating centrifugal force by a centrifugal body. The working principle is as follows: the driving wheel drives the centrifugal block (friction material is arranged on the outer end face of the centrifugal block), the centrifugal block is provided with a matched tightening spring, the centrifugal block does not act when the engine is in idle speed, the centrifugal block generates centrifugal force when the engine exceeds idle speed, the hub wheel inner ring (driven wheel) with the belt pulley is pressed under the action of the centrifugal force, torque is transmitted under the action of the friction force, the faster the engine speed is, the tighter the driven wheel and the centrifugal block are combined, the larger the output torque is, and the less the torque is easy to slip.

At present, the existing centrifugal clutch is usually provided with various loads, and the clutch function can be realized to drive the loads (such as a gearbox and the like). However, part of the loads also need to synchronously run with the engine through the clutch (such as a hydraulic system, a water pump and the like), and the absence of the function can reduce the installation of machines and tools, cause function loss and resource waste and influence the use experience effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual-purpose centrifugal clutch to solve above-mentioned problem.

In order to achieve the above object, the utility model discloses a dual-purpose centrifugal clutch, include centrifugal body, action wheel and be used for being connected with the load transmission from the driving wheel, the centrifugal body sliding adorn in on the action wheel, centrifugal body and action wheel install in from the driving wheel of driving wheel in the inner chamber, the coaxial rigid coupling of action wheel have one with from the pivot of driving wheel pin joint, the pivot is located from the coaxial rigid coupling of driving wheel one side has a fixed drive wheel.

Furthermore, the fixed driving wheel is a fixed belt pulley.

Furthermore, the transmission device also comprises a limiting end cover and a locking nut, wherein the limiting end cover is simultaneously abutted against one side of the fixed transmission wheel and one side of the rotating shaft, and the limiting end cover is connected to the rotating shaft through the locking nut.

Furthermore, still include along a plurality of locating pin holes of pivot equipartition and with locating pin hole complex locating pin, the locating pin hole is in by setting up fixed drive wheel groove on the fixed drive wheel hole is in with set up the epaxial pivot groove concatenation of commentaries on classics is constituteed.

Further, the inner cavity of the driven wheel is a counter bore arranged on one side of the driven wheel, a belt wheel is fixedly connected to the other side of the driven wheel in an integrated mode, a belt wheel hole penetrating through the counter bore is formed in the belt wheel, and the belt wheel hole is matched with the rotating shaft.

Furthermore, a rolling bearing is installed in the belt pulley hole, and the other end of the rotating shaft is matched with a bearing hole of the rolling bearing.

Furthermore, one end integral type rigid coupling of pivot has a fixed disk that is used for installing power input shaft, be provided with the fixed disk connecting hole on the fixed disk.

Furthermore, antifriction bearing sets up the both ends in pulley hole, the one end of action wheel supports and leans on antifriction bearing's inner circle, and the other end supports and leans on the fixed disk.

Furthermore, the surface of the centrifugal body opposite to the side wall of the inner cavity of the driven wheel is fixedly connected with a wear-resistant material layer.

Furthermore, at least one side of any centrifugal body is provided with a centrifugal body groove, and all the centrifugal bodies are sleeved with a tightening spring in the centrifugal body groove through a ring to be connected into a whole.

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

the utility model discloses a fixed drive wheel of coaxial rigid coupling in the pivot to the realization with engine synchronous drive and through two kinds of transmission mode of clutch intermittent type formula transmission, realize that the machine drives more loads, reach a tractor serves several purposes, energy saving and consumption reduction's effect. Furthermore, in the fields of small-sized agricultural machinery, small-sized engineering machinery, small-sized garden machinery and the like, the use of mechanical clutches is reduced, the operation is simpler, the maintenance cost is reduced, the physical consumption caused by the operation is reduced, and the mechanical operation experience effect is improved.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic front view of a dual-purpose centrifugal clutch according to a preferred embodiment of the present invention;

FIG. 2 is a schematic sectional view A-A of FIG. 1;

fig. 3 is a schematic sectional view B-B of fig. 2.

Illustration of the drawings:

1. a centrifuge; 11. a centrifuge bowl; 2. a driving wheel; 21. a key; 3. a driven wheel; 31. the inner cavity of the driven wheel; 4. a wear resistant material layer; 5. tightening the spring; 6. a belt pulley; 61. a pulley hole; 7. a rotating shaft; 71. a rotating shaft hole; 72. a rotating shaft groove; 8. a rolling bearing; 9. fixing the disc; 91. a fixed disk connecting hole; 10. fixing a transmission wheel; 101. fixing a transmission wheel hole; 102. fixing a transmission wheel groove; 12. locking the nut; 13. a positioning pin hole; 14. positioning pins; 15. and limiting the end cover.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1-3, the utility model discloses a dual-purpose centrifugal clutch, including centrifugal body 1, action wheel 2 and be used for being connected with the load transmission from driving wheel 3, centrifugal body 1 cunning adorns on action wheel 2, is provided with from driving wheel inner chamber 31 from one side of driving wheel 3 to form type wheel hub structure, opposite side integral type casting takes shape has belt pulley 6, the lateral surface of centrifugal body 1 is provided with the wearing material layer 4 that is used for the increase and follows the lateral wall frictional force of driving wheel inner chamber 31. The centrifugal body 1 and the driving wheel 2 are arranged in a driven wheel inner cavity 31 of the driven wheel 3, the driving wheel 2 is coaxially and fixedly connected with a rotating shaft 7 pivoted with the driven wheel 3 through a key 21, the rotating shaft 7 is positioned at one side of the driven wheel 3 and is coaxially and fixedly connected with a fixed driving wheel 10, wherein the fixed driving wheel 10 can be a common driving wheel such as a chain wheel, a gear and the like, and in the embodiment, the fixed driving wheel 10 is a fixed belt pulley, so that long-distance transmission and buffering vibration reduction are facilitated. Through the fixed transmission wheel 10 coaxially and fixedly connected with the rotating shaft 7, two transmission modes of synchronous transmission with an engine and intermittent transmission through a clutch are realized, a machine drives more loads, and the effects of one machine with multiple purposes, energy conservation and consumption reduction are achieved.

In this embodiment, in order to realize the axial positioning of the fixed driving wheel 10, a limiting end cover 15 and a lock nut 12 are further included, the limiting end cover 15 abuts against one side of the fixed driving wheel 10 and one side of the rotating shaft 7 at the same time, the limiting end cover 15 is connected to the rotating shaft 7 through the lock nut 12, and the specific lock nut 12 penetrates through the limiting end cover 15 and is in threaded connection with a rotating shaft hole 71 at one end of the rotating shaft 7.

In this embodiment, in order to realize the circumferential accurate positioning of the fixed transmission wheel 10, the fixed transmission wheel further comprises a plurality of positioning pin holes 13 uniformly distributed along the rotating shaft 7 and positioning pins 14 matched with the positioning pin holes 13, wherein the positioning pin holes 13 are formed by splicing a fixed transmission wheel groove 102 arranged on a fixed transmission wheel hole 101 in the fixed transmission wheel 10 and a rotating shaft groove 72 arranged on the rotating shaft 7.

In the embodiment, at least one side of any centrifugal body 1 is provided with a centrifugal body groove 11, and all centrifugal bodies 1 are sleeved in the centrifugal body groove 11 through a ring to connect the tightening spring 5 into a whole, so that when the engine idles, under the action of the tightening force of the tightening spring 5, the centrifugal body 1 slides towards the center of the driving wheel 2 to reach a stable state, so that the centrifugal body 1 and the driven wheel 3 are separated from each other for transmission, and when a certain rotating speed is reached, the centrifugal body 1 overcomes the tightening force of the tightening spring 5 and is in friction transmission with the driven wheel 3.

In this embodiment, the driven wheel cavity 31 is a counter bore disposed on one side of the driven wheel 3, and the pulley 6 is integrally cast and fixedly connected to the other side of the driven wheel 3, so that the clutch has two functions of clutching and pulley transmission.

In this embodiment, a pulley hole 61 penetrating through the counter bore is formed in the pulley 6, a rolling bearing 8 is installed in the pulley hole 61, specifically, the rolling bearing 8 is arranged at two ends of the pulley hole 61, one end of the driving wheel 2 abuts against an inner ring of the rolling bearing 8, and the other end of the driving wheel abuts against the fixed disk 9. The other end of the rotating shaft 7 is matched with a bearing hole of the rolling bearing 8, one end of the rotating shaft 7 is integrally and fixedly connected with a fixed disc 9 used for connecting a power input shaft, and a fixed disc connecting hole 91 is formed in the fixed disc 9, so that the fixed disc can be connected to a flywheel of an engine through a screw.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dual-purpose centrifugal clutch comprises a centrifugal body (1), a driving wheel (2) and a driven wheel (3) which is used for being connected with a load in a transmission mode, wherein the centrifugal body (1) is arranged on the driving wheel (2) in a sliding mode, the centrifugal body (1) and the driving wheel (2) are arranged in a driven wheel inner cavity (31) of the driven wheel (3), the dual-purpose centrifugal clutch is characterized in that the driving wheel (2) is coaxially and fixedly connected with a rotating shaft (7) which is pivoted with the driven wheel (3), and the rotating shaft (7) is located on one side of the driven wheel (3) and is coaxially and fixedly connected with a fixed driving wheel (10).

2. Dual-purpose centrifugal clutch according to claim 1, characterized in that said fixed transmission wheel (10) is a fixed pulley.

3. The dual-purpose centrifugal clutch according to claim 1, further comprising a limit end cap (15) and a lock nut (12), wherein the limit end cap (15) abuts against one side of the fixed transmission wheel (10) and the rotating shaft (7) at the same time, and the limit end cap (15) is connected to the rotating shaft (7) through the lock nut (12).

4. The dual-purpose centrifugal clutch according to claim 1, further comprising a plurality of positioning pin holes (13) uniformly distributed along the rotating shaft (7) and positioning pins (14) matched with the positioning pin holes (13), wherein the positioning pin holes (13) are formed by splicing a fixed transmission wheel groove (102) arranged on a fixed transmission wheel hole (101) in the fixed transmission wheel (10) and a rotating shaft groove (72) arranged on the rotating shaft (7).

5. The dual-purpose centrifugal clutch according to claim 1, wherein the driven wheel inner cavity (31) is a counter bore arranged at one side of the driven wheel (3), the other side of the driven wheel (3) is integrally and fixedly connected with a belt pulley (6), a belt pulley hole (61) penetrating through the counter bore is arranged in the belt pulley (6), and the belt pulley hole (61) is matched with the rotating shaft (7).

6. The dual-purpose centrifugal clutch according to claim 5, wherein a rolling bearing (8) is installed in said pulley hole (61), and the other end of said rotating shaft (7) is fitted with a bearing hole of said rolling bearing (8).

7. The dual-purpose centrifugal clutch according to claim 6, wherein a fixed disk (9) for connecting a power input shaft is integrally and fixedly connected to one end of the rotating shaft (7), and a fixed disk connecting hole (91) is formed in the fixed disk (9).

8. Dual-purpose centrifugal clutch according to claim 7, characterized in that said rolling bearings (8) are arranged at both ends of said pulley hole (61), one end of said driving wheel (2) being abutted against the inner ring of said rolling bearings (8) and the other end being abutted against said fixed disk (9).

9. Dual-purpose centrifugal clutch according to one of claims 1 to 7, characterized in that the surface of the centrifugal body (1) opposite to the side wall of the driven wheel cavity (31) is affixed with a layer (4) of wear-resistant material.

10. The dual-purpose centrifugal clutch according to any one of claims 1-7, wherein at least one side of any one of said centrifugal bodies (1) is provided with a centrifugal body groove (11), and all said centrifugal bodies (1) are connected integrally by a tightening spring (5) which is sleeved in said centrifugal body groove (11) through a ring.