CN219529663U - Brake-able clutch device - Google Patents

Abstract

The utility model discloses a braking clutch device, which comprises a shaft body, a clutch component and a braking component. The shaft defines an axial direction, and the shaft has a first end and a second end opposite the first end. The clutch assembly comprises a first bearing, a belt rotating piece and a first sliding transmission piece, wherein the inner wall of the first bearing is sleeved at the first end part of the shaft body in a relatively fixed manner, the belt rotating piece is sleeved on the outer wall of the first bearing so as to rotate relative to the shaft body after being driven, a moving gap is formed between the first sliding transmission piece and the belt rotating piece, and the first sliding transmission piece and the belt rotating piece can be driven to axially approach and depart from the belt rotating piece to be slidably clamped with the shaft body so as to synchronously drive the shaft body to rotate along with the rotation of the belt rotating piece after being abutted to the first end part from the second end part to the first end part along the axial direction.

Description

Brake-able clutch device

Technical Field

The utility model relates to the technical field of clutches, in particular to a braking clutch device.

Background

Clutches are a common mechanical transmission structure, and are typically mounted with a flywheel set of an engine crankshaft. In automotive production, clutches are components that cut off and transfer power between an engine and the transmission of an automobile. In the process of starting to normal running of the automobile, a driver temporarily separates or gradually combines the engine and the transmission structure of the automobile by operating the clutch so as to transmit or cut off the power output by the engine.

During running of the vehicle, not only is power transmitted or cut off by means of a clutch, but braking by means of a brake is required. Conventionally, an automobile is required to be equipped with both a clutch and a brake to achieve the purpose of transmitting or shutting off power and braking, which cannot be achieved by one device.

As such, it is necessary to install both the clutch and the brake in the automobile, but when the clutch and the brake are installed simultaneously, the installation volume in the automobile increases. Further, manufacturing the clutch and the brake separately increases manufacturing costs.

In addition, when the existing clutch transmits power or brakes to brake, friction braking is usually carried out by means of friction plates, but the friction plates are damaged after long-term use and then need to be replaced, but when the friction plates are replaced by the traditional clutch or brake, the whole device needs to be detached and replaced, and therefore time and labor are wasted. Meanwhile, in the working process of the friction plate, the heat dissipation effect is poor, so that the service life of the friction plate is short, and the friction plate needs to be replaced frequently and is complicated.

Disclosure of Invention

One advantage of the present utility model is that it provides a brakable clutch device that, when used, can function not only as a clutch but also as a brake, without requiring two sets of devices to accomplish, reducing manufacturing costs, and reducing installation volume.

One advantage of the present utility model is to provide a brake-able clutch device, wherein the first friction plate and the second friction plate can be detached independently when the brake-able clutch device is used, the whole device does not need to be detached, and time and labor are saved.

One advantage of the present utility model is to provide a braking clutch device that can improve the heat dissipation when in use, thereby prolonging the service life of the braking clutch device.

To achieve at least one of the above advantages, the present utility model provides a brake-able clutch device, characterized in that the brake-able clutch device includes:

a shaft defining an axial direction, the shaft having a first end and a second end opposite the first end;

a clutch assembly, the clutch assembly comprising:

the inner wall of the first bearing is sleeved at the first end part of the shaft body in a relatively fixed manner;

a belt rotating member, wherein the belt rotating member is sleeved on the outer wall of the first bearing so as to rotate relative to the shaft body after being driven;

the first sliding transmission piece forms a moving gap between the first sliding transmission piece and the belt rotating piece and can be driven to axially approach and separate from the belt rotating piece to be slidably clamped on the shaft body so as to synchronously drive the shaft body to rotate along with the rotation of the belt rotating piece after the second end part is axially abutted to the first end part from the second end part to the first end part;

A brake assembly, the brake assembly comprising:

the rotation stopping piece is fixedly sleeved on the shaft body;

the second sliding transmission piece is sleeved on the second end part of the shaft body, can be driven to axially approach and separate from the rotation stopping piece, and is sleeved on the shaft body so as to stop rotating after the first end part is axially abutted to the second end part and the rotation stopping piece is abutted to the second end part.

According to a first embodiment of the present utility model, the braking clutch device further includes a driving assembly, the driving assembly includes a mounting base, a first belt moving member and a second belt moving member, the mounting base and the first belt moving member are both sleeved on the shaft body, the first belt moving member is mounted on a side of the first sliding transmission member, which is away from the belt moving member, the first belt moving member and the rotation stopping member are respectively located on two sides of the first sliding transmission member, the second sliding transmission member is mounted on the second belt moving member, the mounting base has a first mounting groove, the first mounting groove is located on a side facing the belt moving member, the mounting base has a first inlet, the first belt moving member is movably mounted on the first mounting groove in an axial direction toward the belt moving member, the first belt moving member is axially movable along a groove wall of the first mounting groove, and an annular space is formed between an outer wall of the first belt moving member and the first mounting groove, the second belt moving member is mounted on the first mounting groove, the first mounting groove is axially movable along the first inlet, the first mounting groove is formed on the first mounting groove, the second mounting groove is axially movable along the first mounting groove, the first sealing groove is formed on the first sealing groove, the first sealing groove is axially movable along the first sealing groove, and the second sealing groove is formed on the second sealing groove, the first sealing groove is axially movable along the first mounting groove, and the first sealing groove is formed on the first sealing groove, and the first sealing groove.

According to an embodiment of the present utility model, the inner wall of the rotating member extends along a radial direction to form a first annular boss, the outer wall of the shaft body extends to form a second annular boss, a first clamping space is formed between the first annular boss and the second annular boss, the first bearing is disposed in the first clamping space, and the first bearing is respectively abutted to the first annular boss and the second annular boss.

According to an embodiment of the present utility model, the braking clutch device further includes a reset assembly, the reset assembly includes a first reset member and a second reset member, the first reset member and the second reset member have elasticity, the first reset member is installed between the first sliding transmission member and the belt rotating member, and the first reset member is configured to tend to push the first sliding transmission member away from the belt rotating member when the first sliding transmission member is attached to the belt rotating member, and the second reset member is installed on the second belt moving member, and the second reset member is configured to drive the second belt moving member away from the rotation stopping member.

According to an embodiment of the present utility model, the belt rotating member includes a flange and at least one first friction plate, the first friction plate is mounted on an end of the flange near the first sliding transmission member, the first friction plate is detachably mounted on the flange, the flange has at least one first mounting hole for mounting the flange, and the first sliding transmission member has at least one first channel.

According to an embodiment of the present utility model, the second sliding transmission member includes a driving disc and a second friction plate, the second friction plate is mounted on an end of the driving disc near the second sliding transmission member, the second friction plate is detachably mounted on the second sliding transmission member, the driving disc has at least one second mounting hole for mounting the second friction plate, and the rotation stopping member has at least one second channel.

According to an embodiment of the present utility model, a placement space is formed between the shaft body and the belt rotating member, and the first reset member is disposed in the placement space.

According to an embodiment of the present utility model, the clutch assembly includes a stop ring, and the stop ring is mounted on the belt rotating member, and the stop ring, the first annular boss and the second annular boss form the first clamping space.

According to an embodiment of the present utility model, the clutch assembly includes a second bearing, the second bearing is sleeved on the first sliding transmission member, a second clamping space is formed between the first belt moving member and the sliding transmission member, the second bearing is disposed in the second clamping space, and the second bearing abuts against the first sliding transmission member and the first belt moving member.

According to an embodiment of the present utility model, the braking clutch device further includes a plurality of heat dissipation members, the heat dissipation members are mounted on the first sliding transmission member and/or the second sliding transmission member, and when the first sliding transmission member and/or the second sliding transmission member rotate, the heat dissipation members are driven to rotate to generate air flow, the braking clutch device further includes a stop member, the stop member is mounted on the second end portion of the shaft body, the braking clutch device further includes at least one sealing member, the sealing member is mounted on the first annular closed space and the second annular closed space, and the sealing member is configured to improve tightness of the first annular closed space and the second annular closed space.

Drawings

Fig. 1 shows a schematic perspective view of a brake-able clutch device according to the utility model.

Fig. 2 shows a schematic sectional view of the structure of the brake-able clutch device according to the utility model in the disengaged state.

Fig. 3 shows a schematic sectional view of the structure of the brake-able clutch device according to the utility model in the engaged state.

Fig. 4 shows a schematic sectional view of the braking state of the braking clutch device according to the utility model.

Fig. 5 shows a schematic perspective view of a part of the structure of the brake-able clutch device according to the utility model.

Fig. 6 shows a partial exploded view of the brake-able clutch device according to the utility model.

Fig. 7 shows a further partial exploded view of the brake-able clutch device according to the utility model.

Fig. 8 shows another partial exploded view of the brake-able clutch device according to the utility model.

Fig. 9 shows a further partial exploded view of the brake-able clutch device according to the utility model.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1 to 9, a brake-able clutch device according to a preferred embodiment of the present utility model, which includes a clutch assembly 10, a brake assembly 20, a shaft 30, and a driving assembly 40, will be described in detail below. The shaft body 30 defines an axial direction, and the shaft body 30 has a first end 301 and a second end 302 opposite the first end 301. The clutch assembly 10 and the brake assembly 20 are oppositely sleeved at the first end 301 of the shaft body 30, and the driving assembly 40 is arranged between the clutch assembly 10 and the brake assembly 20.

The clutch assembly 10 includes a first slip drive member 11, a belt rotating member 12, and a first bearing 13. The first sliding transmission member 11 is clamped to the shaft body 30, and is axially slidably near to and far from the belt rotating member 12, wherein the first bearing 13 is sleeved at the first end 301 of the shaft body 30 and is located between the first sliding transmission member 11 and the shaft body 30, and the belt rotating member 12 is rotatably clamped to the shaft body 30 relative to the shaft body 30 through the first bearing 13. Thus, when the first slip transmission member 11 is pressed against the belt rotating member 12 by sliding toward the belt rotating member 12 by a predetermined distance, the first slip transmission member 11 can be rotated together with the belt rotating member 12 when the belt rotating member 12 is driven to rotate. Because the first sliding transmission member 11 is clamped to the shaft body 30, the shaft body 30 can be driven to rotate accordingly.

By controlling the sliding movement of the first slip transmission member 11 in this way, the transmission between the shaft body 30 and the belt pulley 12 can be controlled.

Specifically, the belt rotating member 12 is sleeved on the first bearing 13, the belt rotating member 12 forms a first annular boss 121, the outer wall of the shaft body 30 forms a second annular boss 31, the first annular boss 121 is formed by extending the inner wall of the belt rotating member 12 in a radial direction, the second annular boss 31 is formed by extending the outer wall of the shaft body 30 in a radial direction, a first clamping space 10001 is formed between the first annular boss 121 and the second annular boss 31, the first bearing 13 is disposed in the first clamping space 10001, and the first bearing 13 is respectively abutted with the first annular boss 121 and the second annular boss 31. In this way, the first bearing 13 restricts the axial direction of the belt pulley 12, and prevents the belt pulley 12 from moving in the axial direction when being pressed by the first slip transmission member 11.

As shown in fig. 5, preferably, the first sliding transmission member 11 has a first limiting structure 111, the shaft body 30 has a second limiting structure 32, and the first sliding transmission member 11 and the shaft body 30 are clamped to each other by the first limiting structure 111 and the second limiting structure 32.

Preferably, in an embodiment, the first limiting structure 111 is implemented as an internal spline disposed on an inner wall of an axial channel provided in the first sliding transmission member 11, the second limiting structure 32 is implemented as an external spline correspondingly disposed on an outer wall of the shaft body 30, and the internal spline and the external spline are mutually bonded, so that the first sliding transmission member 11 can move along an axial direction of the shaft body 30, and when the first sliding transmission member 11 rotates, the shaft body 30 is driven to synchronously rotate.

Referring to fig. 2 to 3, a movement gap 1001 is formed between the first slip driving member 11 and the belt rotating member 12. The clutch assembly 10 has a coupled state and an uncoupled state, when the clutch assembly 10 is in the coupled state, the first slip driver 11 is adjacent to the belt rotator 12, and the first slip driver 11 and the belt rotator 12 contact and generate friction. In this way, when the belt rotating member 12 rotates, the friction force is used to drive the first sliding transmission member 11 to rotate synchronously, and the first sliding transmission member 11 is engaged with the shaft body 30, so as to drive the shaft body 30 to rotate synchronously, and thus, the power of the rotation of the belt rotating member 12 is transmitted to the shaft body 30.

Referring to fig. 2, when the clutch assembly 10 is in the non-coupling state, the first sliding transmission member 11 is away from the belt rotating member 12, the moving gap 1001 is formed between the first sliding transmission member 11 and the belt rotating member 12, the friction force between the first sliding transmission member 11 and the belt rotating member 12 disappears, the first sliding transmission member 11 does not rotate, and accordingly, the shaft body 30 does not rotate.

The driving assembly 40 includes a mounting seat 41 and a first belt moving member 42, and the mounting seat 41 and the first belt moving member 42 are both sleeved on the shaft body 30. The first belt 42 is mounted on the first slide transmission 11 on the side facing away from the belt pulley 12. In other words, the first belt 42 and the belt rotating member 12 are located on both sides of the first slip transmission member 11, respectively. The mounting block 41 has a first mounting groove 4101, the first mounting groove 4101 being located on a side facing the belt rotor 12.

The mounting seat 41 has a first inlet 4102, the first belt moving member 42 is movably mounted in the first mounting groove 4101 along the axial direction towards the belt rotating member 12, the first belt moving member 42 can move along the axial direction against the groove wall of the first mounting groove 4101, and a first annular closed space 4001 is formed between the outer wall of the first belt moving member 42 and the first mounting groove 4101, wherein the first annular closed space 4001 is located at the side close to the belt rotating member 12, and the first annular closed space 4001 is communicated with the first inlet 4102.

It should be noted that the first inlet 4102 is connected to a filling device, such as an air pump or a hydraulic pump.

It will be appreciated by those skilled in the art that the first annular boss 121 formed by the belt rotor 12 abuts the first bearing 13, and the first bearing 13 abuts the second annular boss 31, so that the belt rotor 12 is not pushed when the first slip transmission member 11 axially approaches the belt rotor 12.

Preferably, gas is introduced from the first inlet 4102.

The brake-able clutch device comprises a reset assembly 50, wherein the reset assembly 50 comprises a first reset element 51, and the first reset element 51 is provided with elasticity. The first return member 51 is arranged between the first slip transmission member 11 and the belt rotating member 12, and the first return member 51 is arranged to be able to push the first slip transmission member 11 away from the belt rotating member 12 in a trend when the first slip transmission member 11 abuts the belt rotating member 12. Therefore, when the first sliding transmission member 11 is forced to move along the axial direction and approaches the belt rotating member 12, if the first sliding transmission member 11 loses the force, the first sliding transmission member 11 automatically returns to the original position under the elastic action of the first restoring member 51, without manual adjustment, which is more convenient and intelligent.

Preferably, the first return member 51 is implemented to comprise a spring.

Referring to fig. 3, more specifically, when the clutch assembly 10 is in the engaged state, fluid is introduced from the first inlet 4102, the pressure in the first annular closed space 4001 becomes large, and the first belt moving member 42 is pushed to move in a direction approaching the belt rotating member 12 by the pressure. The first sliding transmission member 11 is mounted on the first belt moving member 42, so as to drive the first sliding transmission member 11 to move along the axial direction towards the direction approaching the belt rotating member 12 until the first sliding transmission member 11 contacts with the belt rotating member 12, and the moving gap 1001 disappears, at this time, the first reset member 51 is compressed. When the belt rotating member 12 is driven to rotate, the first sliding transmission member 11 is driven to synchronously rotate by utilizing the friction force between the first sliding transmission member 11 and the belt rotating member 12 when the first sliding transmission member 11 is contacted, and the first sliding transmission member 11 is clamped with the shaft body 30, so that when the first sliding transmission member 11 rotates, the shaft body 30 is driven to synchronously rotate, and the power for rotating the belt rotating member 12 is transmitted to the shaft body 30.

Referring to fig. 2, when the clutch assembly 10 is in the disengaged state, the first inlet 4102 stops introducing fluid, the pressure in the first annular sealed space 4001 gradually decreases, so that one side of the first belt moving member 42 loses stress, and the first sliding transmission member 11 receives the restoring force of the first restoring member 51, so that the first sliding transmission member 11 moves in a direction away from the belt rotating member 12. The state of forming the movement gap 1001 is restored between the first slip transmission member 11 and the belt rotating member 12, and the first slip transmission member 11 and the belt rotating member 12 do not contact each other, so that friction force is not formed between the first slip transmission member 11 and the belt rotating member 12, and the first slip transmission member 11 stops rotating, thereby stopping the rotation of the shaft body 30.

The clutch assembly 10 further includes a second bearing 14, the second bearing 14 is sleeved on the first sliding transmission member 11, a second clamping space 10002 is formed between the first belt moving member 42 and the first sliding transmission member 11, the second bearing 14 is disposed in the second clamping space 10002, and the second bearing 14 abuts against the first sliding transmission member 11 and the first belt moving member 42.

Thus, when the first inlet 4102 is filled with fluid, the first belt shifter 42 is pushed to move axially and the second bearing 14 is driven to move synchronously, and finally the second bearing 14 is utilized to push the first sliding transmission member 11 to move synchronously, and the second bearing 14 is utilized to support the second belt shifter 43, so that when the first sliding transmission member 11 rotates, the first belt shifter 42 and the mounting seat 41 are not driven to rotate synchronously.

In other words, when the fluid is introduced from the first inlet 4102, the fluid enters the first annular closed space 4001, the pressure in the first annular closed space 4001 increases, and the first belt moving member 42 is pushed to move away from the mounting seat 41 by the pressure in the axial direction, so as to drive the second bearing 14 to move synchronously, and finally the first sliding transmission member 11 is pushed to move away from the mounting seat 41 in the axial direction synchronously until the first sliding transmission member 11 and the belt rotating member 12 abut.

The brake assembly 20 includes a second sliding transmission member 21 and a rotation stopping member 22, where the second sliding transmission member 21 and the rotation stopping member 22 are sleeved on the second end 302 of the shaft body 30. The second sliding transmission member 21 may be driven to axially approach and separate from the rotation stop member 22, and the second sliding transmission member 21 is sleeved on the shaft body 30.

Specifically, a braking gap 2001 is formed between the second slip driving member 21 and the rotation stopper 22. The rotation stop member 22 is fixedly sleeved on the shaft body 30.

In an embodiment, the rotation stopping member 22 is sleeved on the shaft body 30, and the shaft body 30 includes a clamping block 33, and the rotation stopping member 22 is clamped on the shaft body 30 by using the clamping block 33, so that when the shaft body 30 rotates, the rotation stopping member 22 is driven to synchronously rotate.

As will be appreciated by those skilled in the art, in another embodiment, the snap block 33 may be integrally formed with the shaft 30.

Referring to fig. 7, more preferably, the rotation stopping member 22 has a slot 2202, and when the rotation stopping member 22 is sleeved on the shaft body 30, the locking block 33 is locked in the slot 2202.

In a variant embodiment, the rotation stop 22 is mounted to the shaft 30 by means of screws. Thus, the rotation of the rotation stopper 22 is also linked when the shaft 30 rotates. It will be appreciated by those skilled in the art that the rotation stop member 22 and the shaft body 30 may be further bonded by a spline, and when the shaft body 30 rotates, the rotation stop member 22 is still driven to rotate, which will not be described herein.

In other words, when the clutch assembly 10 is in the engaged state, the shaft 30 rotates, and the shaft 30 is configured to rotate the rotation stopper 22. Thus, when the clutch assembly 10 is in the engaged state, the rotation stop 22 rotates synchronously.

Referring to fig. 4, the brake assembly 20 has a braking state and a non-braking state, and when the brake assembly 20 is in the braking state, the mounting seat 41 is connected to an external fixing device, so that the mounting seat 41 is in a fixed state. The second sliding transmission member 21 is sleeved on the shaft body 30 so as to be axially adjacent to the rotation stop member 22. Therefore, when the second slip driver 21 is slidable toward the second end 302 in the axial direction near the rotation stopper 22, the braking gap 2001 disappears, the second slip driver 21 and the rotation stopper 22 come into contact, and friction force is generated between the second slip driver 21 and the rotation stopper 22, and the rotation stopper 22 is prevented from rotating by friction force until the rotation stopper 22 stops rotating. In addition, the shaft body 30 is mounted on the rotation stopping member 22, so that the shaft body 30 rotates synchronously, and further drives the first sliding transmission member 11 engaged with the shaft body 30 to stop rotating, and further finally stops rotating the belt rotating member 12, and the belt rotating member 12 is braked.

When the brake assembly 20 is in the non-braking state, the second sliding transmission member 21 is far away from the rotation stopping member 22, the braking gap 2001 is formed between the second sliding transmission member 21 and the rotation stopping member 22, no friction force is generated between the second sliding transmission member 21 and the rotation stopping member 22, and the second sliding transmission member 21 does not prevent the rotation of the rotation stopping member 22.

Referring to fig. 3, further, the driving assembly 40 further includes a second belt shifter 43, and the second sliding transmission member 21 is mounted on the second belt shifter 43, so that the second belt shifter 43 is utilized to drive the second sliding transmission member 21 to move synchronously.

More specifically, the mounting seat 41 has a second mounting groove 4103, the second belt shifter 43 is axially movably mounted in the second mounting groove 4103, and the second belt shifter 43 is movable along the inner wall of the second mounting groove 4103. The mounting block 41 has a second inlet 4104. When the second belt shifter 43 is mounted in the second mounting groove 4103, a second annular closed space 4002 is formed between the outer wall of the second belt shifter 43 and the second mounting groove 4103, and the second annular closed space 4002 is communicated with the second inlet 4104. In this way, when fluid is introduced from the second inlet 4104, the pressure in the second annular sealed space 4002 increases, and the second belt shifter 43 is pushed by the pressure to move axially toward the rotation stopper 22, so as to drive the second sliding transmission member 21 to move axially toward the rotation stopper 22 synchronously.

Further, the reset assembly 50 further includes a second reset element 52, the second reset element 52 is mounted on the second belt moving element 43, and the second reset element 52 is provided with elasticity. The second restoring element 52 drives the second belt-moving element 43 to move axially away from the rotation-blocking element 22.

Preferably, the second restoring member 52 is implemented to comprise a spring.

In one embodiment, the second belt shifter 43 has a mounting channel 4301, a head of a screw is inserted into the mounting channel 4301, a tail of the screw is mounted on the mounting seat 41, and the second reset member 52 is sleeved between the head of the screw and an inner wall of the mounting channel 4301. In this way, when the second belt shifter 43 axially approaches the second slip driving member 21, the second restoring member 52 is compressed, so that the second belt shifter 43 returns to its original position under the action of the second restoring member 52 without an external force, and the second belt shifter 43 is away from the rotation stop member 22.

In another embodiment, the second restoring member 52 is installed between the mounting seat 41 and the second belt moving member 43, and both ends of the second restoring member 52 are respectively abutted against the mounting seat 41 and the second belt moving member 43, and when the second belt moving member 43 approaches the rotation stopping member 22 in the axial direction, the second restoring member 52 is stretched.

More specifically, when the brake-able clutch device is used, the belt rotating member 12 is in driving connection with the outside to rotate the belt rotating member 12. Then, fluid is introduced from the first inlet 4102, the pressure in the first annular closed space 4001 increases, the second bearing 14 is moved by the first belt member 42, and the first slip transmission member 11 and the belt rotating member 12 are urged into contact by the second bearing 14, and the first slip transmission member 11 is rotated synchronously by friction. The first sliding transmission member 11 is clamped to the shaft body 30 by the cooperation of the first limiting structure 111 and the second limiting structure 32. When the first sliding transmission member 11 rotates, the shaft 30 is driven to rotate synchronously, and the clutch assembly 10 is switched to the engaged state.

When the clutch assembly 10 in the coupling state is required to be braked subsequently, fluid is introduced from the second inlet 4104, the pressure in the second annular closed space 4002 becomes large, the second sliding transmission member 21 is pushed to approach the rotation stopping member 22, the braking gap 2001 between the rotation stopping member 22 and the second sliding transmission member 21 disappears, the rotation stopping member 22 is braked by friction, and the rotation stopping member 22 stops rotating, so that the shaft body 30 stops rotating, the first sliding transmission member 11 stops rotating, and finally the rotation of the belt transmission member 12 stops, and braking occurs. Therefore, the clutch and brake are integrated, two devices are not needed to be used for respectively realizing the clutch and the brake, the clutch and the brake are more convenient, and compared with the traditional clutch and the brake which are respectively installed, the occupied area during installation is reduced.

Referring to fig. 2 and 6, the belt rotating member 12 further includes a flange 122 and at least one first friction plate 123, and the first friction plate 123 is mounted on an end of the flange 122 near the first sliding transmission member 12. Preferably, the first friction plate 123 is detachably mounted on the flange 122, so that the first friction plate 123 can be replaced easily when worn.

Further, the flange 122 has at least one first mounting hole 12201, and the first friction plate 123 is mounted to the flange 122 by at least one bolt and the first mounting hole 12201. The first slide transmission 11 has at least a first channel 1101, the first channel 1101 being arranged to allow the bolt to pass through.

In this way, when the first friction plate 123 needs to be detached from the flange 122, it is first ensured that no fluid is introduced into both the first inlet 4102 and the second inlet 4104, and at this time, the first sliding transmission member 11 may be manually rotated until the bolt mounted in the first mounting hole 12201 is aligned with the first channel 1101, so that when the first friction plate 123 needs to be detached, the bolt may be removed from the first channel 1101, and then the first friction plate 123 may be removed from the movement gap 1001, and the braking clutch device may not need to be completely detached, which is more convenient.

Referring to fig. 3 and 7, further, the second sliding transmission member 21 includes a driving disc 211 and a second friction plate 212, and the second friction plate 212 is mounted on an end of the driving disc 211 near the second sliding transmission member 21. The drive plate 211 is mounted to the second belt shifter 43.

Preferably, the second friction plate 212 is detachably mounted on the second sliding transmission member 21, so that the second friction plate 212 can be replaced conveniently when worn.

As will be appreciated by those skilled in the art, in another embodiment, the second belt shifter 43 is integrally formed with the drive plate 211.

Further, the driving plate 211 has at least one second mounting hole 21101, and the second friction plate 212 is detachably mounted to the driving plate 211 using the bolt and the second mounting hole 21101. The rotation stop 22 has at least one second channel 2201, the second channel 2201 being configured to allow the bolt to pass through.

Thus, when it is desired to detach the second friction plate 212 from the driving plate 211, it is first ensured that neither the first inlet 4102 nor the second inlet 4104 is filled with fluid. The rotation stop 22 is then manually rotated so that the second channel 2201 is aligned with the second mounting hole 21101, thereby allowing the bolt to be removed from the second channel 2201 when the second friction plate 212 needs to be removed from the driving plate 211, and then allowing the second friction plate 212 to be removed from the brake gap 2001, without the need to completely remove the brake-capable clutch device, which is more convenient.

Preferably, when the belt rotating member 12 is sleeved on the shaft body 30, a placement space 1002 is formed between the outer wall of the shaft body 30, the flange 122 and the first sliding transmission member 11. The first restoring member 51 is disposed in the placement space 1002, and one end of the first restoring member 51 abuts against the first bearing 13, and the other end abuts against the belt rotating member 12.

Further, the clutch assembly 10 includes a stop ring 15, the stop ring 15 is clamped to the belt rotating member 12, and the first clamping space 10001 is formed between the stop ring 15 and the first annular boss 121 and between the stop ring 15 and the second annular boss 31.

It will be appreciated by those skilled in the art that the stop ring 15 may be embodied as a ledge formed by the radial extension of the belt rotor 12.

Further, the brake assembly 20 further includes a third bearing 23. The third bearing 23 is mounted between the mounting seat 41 and the shaft body 30, and the mounting seat 41 is supported by the third bearing 23, so that friction between the mounting seat 41 and the shaft body 30 is reduced.

Referring to fig. 6 to 7, further, the braking clutch device further includes a plurality of heat dissipation elements 60, wherein the heat dissipation elements 60 are mounted on the first sliding transmission element 11 and/or the second sliding transmission element 21, and when the first sliding transmission element 11 and/or the second sliding transmission element 21 rotate, the heat dissipation elements 60 are driven to rotate to generate air flow, so that heat dissipation is performed by using the air flow, and heat dissipation of the braking clutch device is improved.

Preferably, the heat dissipation elements 60 are distributed in a circular array around the shaft body 30 in the first sliding transmission element 11 and/or the second sliding transmission element 21.

Preferably, the heat sink 60 is implemented to include a heat sink.

More preferably, the first friction plate 123 has at least one first air flow channel 12301, so that the air flow formed by the heat dissipation element 60 flows in the first air flow channel 12301, thereby improving the heat dissipation effect.

More preferably, the second friction plate 212 has at least one second air flow channel 21201, so that the air flow formed by the heat dissipation element 60 flows in the second air flow channel 21201, and the heat dissipation effect is further improved.

Referring to fig. 7, further, the braking clutch device further includes a stop member 70, where the stop member 70 is mounted on the second end 302 of the shaft body 30 to limit the axial movement of the rotation stop member 22, so as to prevent the rotation stop member 22 from being separated from the shaft body 30.

Preferably, the stopper 70 is mounted to the shaft body 30 by a screw, thereby facilitating the disassembly of the stopper 70.

Further, the braking clutch device further comprises at least one sealing member 80, wherein the sealing member 80 is mounted on the first annular closed space 4001 and the second annular closed space 4002, and is used for improving the tightness of the first annular closed space 4001 and the second annular closed space 4002.

Preferably, four sealing members 80 are provided, two sealing members 80 being provided between the outer wall of the first belt moving member 42 and the inner wall of the first mounting groove 4101, and the other two sealing members 80 being provided between the outer wall of the second belt moving member 43 and the inner wall of the second mounting groove 4103.

Preferably, the seal 80 is embodied as a sealing ring.

More preferably, when the second restoring member 52 is mounted to the mounting channel 4301 by a screw, five sealing members 80 are provided, two of the sealing members 80 being provided between the first belt moving member 42 and the first mounting groove 4101, the other two sealing members 80 being provided between the second belt moving member 43 and the second mounting groove 4103, and the other sealing member 80 being provided between the head of the screw and the mounting channel 4301.

The working method of the braking clutch device mainly comprises the following steps:

(A) Connecting the belt rotating member 12 with the outside in a driving manner, wherein the belt rotating member 12 rotates, fluid is introduced from the first inlet 4102, the fluid enters the first annular closed space 4001, the first belt moving member 42 is pushed to move towards the direction close to the belt rotating member 12 by pressure, the first sliding transmission member 11 is driven to move towards the direction close to the belt rotating member 12 along the axial direction until the first sliding transmission member 11 is contacted with the belt rotating member 12, the moving gap 1001 disappears, the belt rotating member 12 drives the first sliding transmission member 11 to synchronously rotate, the shaft body 30 is driven to synchronously rotate, and therefore the power for rotating the belt rotating member 12 is transmitted to the shaft body 30, and the first reset member 51 is compressed;

(B) And fluid is introduced from the second inlet 4104, the pressure in the second annular closed space 4002 becomes larger, the second sliding transmission member 21 is pushed to approach the rotation stopping member 22, the braking gap 2001 between the rotation stopping member 22 and the second sliding transmission member 21 disappears, the rotation stopping member 22 is braked by friction, the rotation stopping member 22 stops rotating, the shaft body 30 stops rotating, the first sliding transmission member 11 stops rotating, and finally the rotation of the belt rotating member 12 stops, and braking occurs.

Further, the working method of the braking clutch device further comprises the following steps:

(C) The heat dissipation member 60 rotates synchronously with the rotation of the first sliding transmission member 11, and the heat dissipation member 60 rotates to generate air flow, thereby improving the heat dissipation effect.

Further, the working method of the braking clutch device further comprises the following steps:

(A1) The fluid flowing from the first inlet 4102 is stopped, the first belt moving member 42 drives the first sliding transmission member 11 away from the belt rotating member 12 under the action of the first reset member 51, and the first sliding transmission member 11 stops rotating.

(B1) The fluid flowing from the second inlet 4104 is stopped, the second belt shifter 43 drives the second sliding transmission member 21 to automatically restore to the original position under the action of the second reset member 52, the brake assembly 20 is switched to the non-braking state, and the belt rotator 11 stops rotating.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims (10)

1. A brakable clutch device, characterized in that the brakable clutch device comprises:

a shaft defining an axial direction, the shaft having a first end and a second end opposite the first end;

a clutch assembly, the clutch assembly comprising:

the inner wall of the first bearing is sleeved at the first end part of the shaft body in a relatively fixed manner;

a belt rotating member, wherein the belt rotating member is sleeved on the outer wall of the first bearing so as to rotate relative to the shaft body after being driven;

the first sliding transmission piece forms a moving gap between the first sliding transmission piece and the belt rotating piece and can be driven to axially approach and separate from the belt rotating piece to be slidably clamped on the shaft body so as to synchronously drive the shaft body to rotate along with the rotation of the belt rotating piece after the second end part is axially abutted to the first end part from the second end part to the first end part;

A brake assembly, the brake assembly comprising:

the rotation stopping piece is fixedly sleeved on the shaft body;

the second sliding transmission piece is sleeved on the second end part of the shaft body, can be driven to axially approach and separate from the rotation stopping piece, and is sleeved on the shaft body so as to stop rotating after the first end part is axially abutted to the second end part and the rotation stopping piece is abutted to the second end part.

2. The brake-able clutch device of claim 1, further comprising a drive assembly, the drive assembly including a mounting base, a first belt-moving member and a second belt-moving member, both the mounting base and the first belt-moving member being journalled to the shaft, the first belt-moving member being mounted on a side of the first slip transmission member facing away from the belt-moving member, the second slip transmission member being mounted on the second belt-moving member, the mounting base having a first mounting groove on a side facing the belt-moving member, the mounting base having a first inlet, the first belt-moving member being movably mounted to the first mounting groove axially facing the belt-moving member, the first belt-moving member being axially movable against a groove wall of the first mounting groove, and a first annular seal space being formed between an outer wall of the first belt-moving member and the first mounting groove, wherein the first annular seal space is positioned adjacent to the second belt-moving member, the second mounting groove being in communication with the first inlet, the second mounting groove being formed between the first annular seal space and the first belt-moving member, the second mounting groove being mounted on the second annular seal space, the second seal space being in communication with the second annular space.

3. The braking clutch according to claim 2, wherein the inner wall of the rotating member extends radially to form a first annular boss, the outer wall of the shaft body extends to form a second annular boss, a first clamping space is formed between the first annular boss and the second annular boss, the first bearing is disposed in the first clamping space, and the first bearing is respectively abutted to the first annular boss and the second annular boss.

4. A brake-able clutch device according to claim 3, further comprising a return assembly comprising a first return member and a second return member, the first return member being resilient, the first return member being mounted between the first slip drive member and the belt rotatable member and being arranged to tend to urge the first slip drive member away from the belt rotatable member when the first slip drive member engages the belt rotatable member, the second return member being mounted to the second belt rotatable member, the second return member being arranged to urge the second belt rotatable member away from the belt rotatable member.

5. The brake-able clutch device of claim 2, wherein the belt rotor includes a flange and at least a first friction plate, the first friction plate being mounted to an end of the flange adjacent the first slip drive member, the first friction plate being removably mounted to the flange, the flange having at least a first mounting hole for mounting the flange, the first slip drive member having at least a first channel.

6. The brake-able clutch device of claim 5, wherein the second slip transmission member includes a drive plate and a second friction plate, the second friction plate being mounted to an end of the drive plate adjacent the second slip transmission member, the second friction plate being removably mounted to the second slip transmission member, the drive plate having at least one second mounting hole for mounting the second friction plate, the anti-rotation member having at least one second channel.

7. The brake-able clutch device according to claim 4, wherein a space is formed between the shaft body and the belt rotating member, and the first restoring member is disposed in the space.

8. A brake-able clutch device according to claim 3, wherein the clutch assembly includes a stop ring mounted to the rotatable member, the stop ring, the first annular boss and the second annular boss defining the first clamping space.

9. The brake-able clutch device of claim 8, wherein the clutch assembly includes a second bearing that is coupled to the first slip drive member, a second clamping space is formed between the first belt member and the slip drive member, the second bearing is disposed in the second clamping space, and the second bearing is abutted to the first slip drive member and the first belt member.

10. The brakable clutch device according to claim 9, further comprising a plurality of heat dissipating members mounted to said first and/or said second slip driving members and being arranged to rotate to generate an air flow when said first and/or said second slip driving members are rotated, said brakable clutch device further comprising a stop member mounted to said second end of said shaft, said brakable clutch device further comprising at least one sealing member mounted to said first and said second annular enclosed spaces and being arranged to improve the tightness of said first and said second annular enclosed spaces.