CN210240350U

CN210240350U - Clutch for power transmission between chain wheel and wheel shaft

Info

Publication number: CN210240350U
Application number: CN201920932944.0U
Authority: CN
Inventors: Longhui Lu; 卢隆辉; Jianjun Liu; 刘建军; Peng Yang; 杨鹏; Bingyu Liang; 梁冰宇; Sihai OuYang; 欧阳四海
Original assignee: Sanming University
Current assignee: Sanming University
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-03
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a clutch for power transmission between a chain wheel and a wheel shaft, which comprises a big chain wheel, a wheel hub and an operating mechanism, the utility model designs the clutch which is convenient for compact and simple in structure and easy to realize rapid separation of power, solves the problems that the existing clutch has complex structure, needs to consume a large amount of manpower and material resources in processing and production, needs to be operated by very professional personnel during installation, has complex installation process, and needs to be completely disassembled once a position is wrongly installed, can be conveniently matched with the big chain wheel to rotate through the structural arrangement of the wheel hub, is a driven original element of the clutch, a second gear can be meshed with a first gear to rotate, thereby realizing the rotation of a driving frame body and further driving the wheel shaft to transmit, and is convenient for a user to carry out position moving operation on the big chain wheel through the structural arrangement of the operating mechanism, thereby realizing the purpose of clutch separation.

Description

Clutch for power transmission between chain wheel and wheel shaft

Technical Field

The utility model relates to a clutch technical field specifically is a clutch that is used for sprocket and shaft power transmission.

Background

The clutch is positioned in a flywheel shell between an engine and a gearbox, an output shaft of the clutch is an input shaft of the gearbox, a driver can press or release a clutch pedal according to needs to ensure that the engine and the gearbox are temporarily separated and gradually jointed so as to cut off or transmit power input by the engine to the gearbox, the clutch is a common component in mechanical transmission, can separate or joint a transmission system at any time, and has the following basic requirements: the joint is stable, and the separation is rapid and thorough; the clutch is divided into three working states, namely, the clutch is not connected when being stepped on, the clutch is not connected with the friction plate when being stepped on, the pressure plate is not contacted with the flywheel completely at the moment, relative friction does not exist, when the vehicle runs normally, the pressure plate is tightly pressed on the friction plate of the flywheel, and the friction force between the pressure plate and the friction plate is the maximum at the moment.

The utility model provides a utility model people discover, and current clutch structure is complicated, and processing and production need consume a large amount of manpower and materials, need very professional personnel to operate when installing moreover, and the installation is comparatively loaded down with trivial details, in case there is a position to install and need all dismantlements behind the mistake.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clutch for sprocket and shaft power transmission, it is complicated to aim at improving current clutch structure, and processing and production need consume a large amount of manpower and materials, need very professional personnel to operate during the installation moreover, and the installation is comparatively loaded down with trivial details, in case there is the problem that needs whole dismantlements behind a position installation error.

The utility model discloses a realize like this:

a clutch for power transmission of a chain wheel and a wheel shaft comprises a large chain wheel, a hub and an operating mechanism, wherein the large chain wheel comprises a transmission wheel disc and a first gear, the first gear and the transmission wheel disc are coaxially mounted, the first gear and the transmission wheel disc are fixedly connected, the hub comprises a frame body and a second gear, the second gear and the frame body are coaxially mounted, the second gear and the frame body are integrally formed, the operating mechanism is arranged at the rear end of the large chain wheel and is rotationally connected with the large chain wheel through a bearing, the operating mechanism comprises a rotating shaft, an operating rod and a pressure spring, the rotating shaft and the transmission wheel disc are coaxially arranged, the operating rod is mounted at the head of the rotating shaft and is integrally formed with the rotating shaft, the pressure spring is fixedly mounted at the lower end of the outer side face of the operating rod, and the clutch is convenient to transmit power through an external power source through the structural arrangement of the large chain wheel, the driving wheel disc drives the first gear to synchronously rotate through external power of the chain.

Furthermore, the second gear and the first gear are coaxially arranged oppositely, the second gear is connected with the first gear through a wheel shaft, the wheel shaft is fixedly connected with the second gear through a spline, the wheel shaft is rotatably connected with the first gear, the second gear and the first gear are meshed and separated conveniently through the structural arrangement of the second gear and the first gear, and the wheel shaft and the second gear are mutually fixed, so that the wheel shaft can transmit along with the second gear.

Furthermore, a first matching shaft sleeve is arranged in the middle of the second gear, the first matching shaft sleeve is fixedly installed in the center of the second gear, the front end face of the first matching shaft sleeve is arranged to be an inclined plane, normal matching of the second gear and the wheel shaft is guaranteed through arrangement of the first matching shaft sleeve, meanwhile, the second gear and the wheel shaft are conveniently matched with each other, and the purpose of clutch separation is achieved.

Further, be provided with on the preceding terminal surface of pivot with first cooperation axle sleeve matched with inclined plane, and pivot and first cooperation axle sleeve sliding connection, inclined plane setting on the terminal surface is used for cooperating with the inclined plane of first cooperation axle sleeve front end before the pivot, and when not rotating the pivot, two mutual locks on inclined plane, two inclined planes are separated each other when the pivoted, and an inclined plane cooperates the slip on another inclined plane, reaches the purpose that increases the distance between big sprocket and the wheel hub.

Furthermore, the middle part of the wheel hub is also provided with a spline clamping groove, and the spline clamping groove is used for installing a spline for use, so that the wheel hub and the wheel shaft can synchronously rotate.

Furthermore, the operating rod is symmetrically provided with connecting holes, and the connecting holes are convenient for being used by external operating equipment.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a study traditional clutch, the design is one kind and is convenient for compact structure is simple, the clutch of the quick separation of power is easily realized, it is complicated to have solved current clutch structure, processing and production need consume a large amount of manpower and materials, and need very professional personnel to operate during the installation, the installation is comparatively loaded down with trivial details, in case there is the problem that needs whole dismantlements behind a position installation mistake, can conveniently cooperate the big sprocket rotation through the structure setting to wheel hub, be the driven original paper of clutch, the second gear can mesh first gear and rotate, thereby realize driving the support body and rotate, and then drive the shaft and carry out the transmission, convenient to use person can carry out the position shifting operation to the big sprocket through the structure setting to operating device, thereby realize the purpose of clutch separation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of the device of the present invention;

FIG. 2 is a schematic structural view of the large sprocket shown in FIG. 1;

FIG. 3 is a schematic structural view of the hub shown in FIG. 1;

FIG. 4 is a rear view of the device of FIG. 3;

fig. 5 is a schematic structural view of the operating mechanism shown in fig. 1.

In the figure: 1. a large sprocket; 11. a drive sheave; 12. a first gear; 121. a wheel axle; 2. a hub; 21. a frame body; 22. a second gear; 221. a first mating sleeve; 23. a spline slot; 3. an operating mechanism; 30. a bearing; 31. a rotating shaft; 32. an operating lever; 321. connecting holes; 33. a pressure spring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1, 2, 3, 4 and 5, a clutch for power transmission between a sprocket and a wheel shaft comprises a large sprocket 1, a hub 2 and an operating mechanism 3, wherein the large sprocket 1 comprises a transmission wheel disc 11 and a first gear 12, the first gear 12 is coaxially mounted with the transmission wheel disc 11, and the first gear 12 is fixedly connected with the transmission wheel disc 11, through researching the traditional clutch, the clutch which is convenient for realizing rapid separation of power and has a compact and simple structure is designed, the problems that the existing clutch is complex in structure, a large amount of manpower and material resources are consumed for processing and production, and a very professional is needed for operation during installation, the installation process is complicated, and once a position is wrongly installed, the clutch needs to be completely disassembled are solved by setting the structure of the large sprocket 1, so that the clutch can be conveniently used for power transmission through an external power source, the transmission wheel disc 11 drives the first gear 12 to synchronously rotate through external power of a chain;

the hub 2 comprises a frame body 21 and a second gear 22, the second gear 22 and the frame body 21 are coaxially installed, the second gear 22 and the frame body 21 are integrally formed, the second gear 22 can be conveniently matched with the large chain wheel 1 to rotate through the structural arrangement of the hub 2, and is a driven element of the clutch, the second gear 22 can be meshed with the first gear 12 to rotate, so that the frame body 21 is driven to rotate, the wheel shaft 121 is driven to transmit, the second gear 22 and the first gear 12 are coaxially arranged oppositely, the second gear 22 is connected with the first gear 12 through the wheel shaft 121, the wheel shaft 121 is fixedly connected with the second gear 22 through a spline, the wheel shaft 121 is rotatably connected with the first gear 12, the second gear 22 and the first gear 12 are meshed and separated through the structural arrangement, the wheel shaft 121 and the second gear 22 are fixed with each other, so that the wheel shaft 121 can transmit together with the second gear 22, the middle part of the second gear 22 is provided with a first matching shaft sleeve 221, the first matching shaft sleeve 221 is fixedly installed at the center of the second gear 22, the front end face of the first matching shaft sleeve 221 is set to be an inclined plane, the second gear 22 is guaranteed to be normally matched with the wheel shaft 121 through the arrangement of the first matching shaft sleeve 221, meanwhile, the first matching shaft sleeve is conveniently matched with the rotating shaft 31, the purpose of clutch and separation is achieved, the middle part of the wheel hub 2 is further provided with a spline clamping groove 23, the spline clamping groove 23 is used for installing a spline for use, and the wheel hub 2 and the wheel shaft 121 are guaranteed to synchronously rotate;

the operating mechanism 3 is arranged at the rear end of the large chain wheel 1, the operating mechanism 3 is rotationally connected with the large chain wheel 1 through a bearing 30, the operating mechanism 3 comprises a rotating shaft 31, an operating rod 32 and a pressure spring 33, the rotating shaft 31 and the driving wheel disc 11 are coaxially arranged, the operating rod 32 is arranged at the head of the rotating shaft 31, the operating rod 32 and the rotating shaft 31 are integrally formed, the pressure spring 33 is fixedly arranged at the lower end of the outer side surface of the operating rod 32, the operating mechanism 3 is structurally arranged to facilitate a user to carry out position moving operation on the large chain wheel 1, so that the purpose of clutch separation is realized, an inclined plane matched with the first matching shaft sleeve 221 is arranged on the front end surface of the rotating shaft 31, the rotating shaft 31 is in sliding connection with the first matching shaft sleeve 221, the inclined plane on the front end surface of the rotating shaft 31 is arranged to be matched with the inclined plane at the front end of the first, two inclined planes are buckled each other, and two inclined planes part from each other when the pivoted, and an inclined plane cooperates the slip on another inclined plane, reaches the purpose that increases the distance between big sprocket 1 and the wheel hub 2, still the symmetry is provided with connecting hole 321 on the action bars 32, and the external operating equipment of being convenient for uses through setting up connecting hole 321.

The specific using process is as follows: under normal conditions, the pressure spring 33 will press the operating rod 32 on the axle 121 close to the hub 2, thereby driving the transmission wheel disc 11 and the first gear 12 to be jointed with the hub 2, achieving the purpose of mutual meshing of the first gear 12 and the second gear 22, and the purpose of continuous transmission from the large chain wheel 1 to the wheel shaft 121 can be effectively realized through the fixed connection of the wheel hub 2 and the wheel shaft 121, when the clutch is selected to be disengaged, the inclined surface at the front end of the first engaging shaft sleeve 221 is engaged with the inclined surface on the front end surface of the rotating shaft 31 by rotating the operating lever 32, so that the rotating shaft 31 overcomes the elasticity of the pressure spring 33 to drive the large sprocket 1 and the hub 2 to be disengaged, at this time, power is only transmitted on the large sprocket 1, the large sprocket 1 can idle by itself due to the bearing, and the hub 2 and the rotating shaft 31 keep the original motion state, so that the process of clutch separation is realized.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 clutch for power transmission between a chain wheel and an axle comprises a large chain wheel (1), a hub (2) and an operating mechanism (3), and is characterized in that: the large chain wheel (1) comprises a transmission wheel disc (11) and a first gear (12), the first gear (12) and the transmission wheel disc (11) are coaxially installed, the first gear (12) is fixedly connected with the transmission wheel disc (11), the wheel hub (2) comprises a frame body (21) and a second gear (22), the second gear (22) and the frame body (21) are coaxially installed, the second gear (22) and the frame body (21) are integrally formed, the operating mechanism (3) is arranged at the rear end of the large chain wheel (1), the operating mechanism (3) is rotatably connected with the large chain wheel (1) through a bearing (30), the operating mechanism (3) comprises a rotating shaft (31), an operating rod (32) and a pressure spring (33), the rotating shaft (31) and the transmission wheel disc (11) are coaxially arranged, the operating rod (32) is arranged at the head of the rotating shaft (31), and the operating rod (32) and the rotating shaft (31) are integrally formed, the pressure spring (33) is fixedly arranged at the lower end of the outer side surface of the operating rod (32).

2. A clutch for sprocket and axle power transmission according to claim 1, characterized in that the second gear (22) is arranged coaxially opposite to the first gear (12) and the second gear (22) is connected to the first gear (12) by means of an axle (121), the axle (121) is fixedly connected to the second gear (22) by means of splines, and the axle (121) is rotationally connected to the first gear (12).

3. A clutch for power transmission between a sprocket and an axle as claimed in claim 2, wherein the second gear (22) is provided with a first engaging sleeve (221) in the middle, the first engaging sleeve (221) is fixedly installed at the center of the second gear (22), and the front end surface of the first engaging sleeve (221) is provided with an inclined surface.

4. A clutch for power transmission between a sprocket and an axle as claimed in claim 3, wherein the front end surface of the rotating shaft (31) is provided with a slope surface for engaging with the first engaging sleeve (221), and the rotating shaft (31) is slidably connected with the first engaging sleeve (221).

5. A clutch for sprocket and axle power transmission according to claim 4, characterized in that the middle of the hub (2) is also provided with spline grooves (23).

6. A clutch for sprocket and axle power transmission according to claim 5, characterized in that the operating rod (32) is also symmetrically provided with connecting holes (321).