阅读说明：本技术 简易离合装置 (Simple clutch device ) 是由 许有良 祁麟 黎志杰 刘传杰 于 2021-07-29 设计创作，主要内容包括：本公开提供了一种简易离合装置,属于驱动设备技术领域。连接轴连接发动机,连接轴与连接轮转动连接。弹性环形板套在安装筒体上,安装筒体套在连接轴上,且弹性环形板位于同轴的环形支撑板及控制组件之间,环形支撑板位于安装筒体与连接轮之间。弹性环形板的外周壁与连接筒体的内周壁螺纹配合,常态下连接轮转动带动连接筒体转动,弹性环形板的螺纹弹性变形,连接轴不动。控制组件使弹性环形板压紧在连接筒体的内周壁上,实现连接轴实现转动。简易离合装置整体的结构简单且各零件所需要的加工工艺也较为简单,简易离合装置整体所需的制备成本较低的同时,弹性环形板的形变速度快,则可以实现连接轴与连接轮之间的有效分离。(The utility model provides a simple and easy clutch belongs to drive device technical field. The connecting shaft is connected with the engine and is rotationally connected with the connecting wheel. The elastic annular plate is sleeved on the installation cylinder, the installation cylinder is sleeved on the connecting shaft, the elastic annular plate is located between the coaxial annular supporting plate and the control assembly, and the annular supporting plate is located between the installation cylinder and the connecting wheel. The periphery wall of elasticity annular plate and the internal perisporium screw-thread fit of connecting the barrel, and the fifth wheel rotates under the normality and drives and connect the barrel and rotate, and the screw thread elastic deformation of elasticity annular plate, connecting axle are motionless. The control assembly enables the elastic annular plate to be tightly pressed on the inner peripheral wall of the connecting cylinder body, and the rotation of the connecting shaft is realized. The simple clutch device is simple in overall structure, the machining process required by each part is simple, the manufacturing cost required by the simple clutch device is low, the deformation speed of the elastic annular plate is high, and effective separation between the connecting shaft and the connecting wheel can be achieved.)

1. A simple clutch device is characterized by comprising a connecting shaft (1), a connecting wheel (2), a connecting cylinder (3), an installation cylinder (4), an annular supporting plate (5), an elastic annular plate (6) and a control component (7),

the connecting wheel (2) is coaxially and rotationally connected with the connecting shaft (1), the connecting cylinder body (3) is coaxially fixed with the connecting wheel (2), the inner peripheral wall of the connecting cylinder body (3) is provided with threads,

the mounting cylinder body (4) is coaxially connected and fixed with the connecting shaft (1), the mounting cylinder body (4) and the connecting wheel (2) are distributed at intervals, the outer diameter of the mounting cylinder body (4) is smaller than the inner diameter of the connecting cylinder body (3),

the annular support plate (5) is coaxially connected and fixed with the end surface of the mounting cylinder body (4) close to the connecting wheel (2), the annular support plate (5) is positioned between the mounting cylinder body (4) and the connecting cylinder body (3),

the coaxial cover of elasticity annular slab (6) is established on installation barrel (4), the periphery wall of elasticity annular slab (6) with the internal perisporium screw-thread fit of connecting barrel (3), just the terminal surface of elasticity annular slab (6) with the terminal surface of annular support board (5) links to each other, control assembly (7) are used for control elasticity annular slab (6) with the compressing tightly or lax of connecting barrel (3).

2. The simple clutch device as claimed in claim 1, characterized in that the thickness of the elastic annular plate (6) is 50-70 mm.

3. The simple clutch device according to claim 2, wherein the thread of the outer circumferential wall of the elastic annular plate (6) has a depth of 30 to 40mm, and the thread of the outer circumferential wall of the elastic annular plate (6) has a tooth thickness of 30 to 40 mm.

4. The simple clutch device according to any one of claims 1 to 3, characterized in that the mounting cylinder (4) comprises a first cylindrical portion (41) and a second cylindrical portion (42) which are coaxially connected, the outer diameter of the first cylindrical portion (41) is smaller than that of the second cylindrical portion (42), and the first cylindrical portion (41) is coaxially inserted into the inner hole of the annular support plate (5).

5. The simple clutch device according to any one of claims 1 to 3, wherein the control assembly (7) comprises an expansion member (71) and an annular push plate (72), one end of the expansion member (71) is connected with the mounting cylinder (4), the other end of the expansion member (71) is connected with the annular push plate (72), the elastic annular plate (6) is located between the annular support plate (5) and the annular push plate (72), and the expansion direction of the expansion member (71) is parallel to the axial direction of the elastic annular plate (6).

6. The simple clutch device according to claim 5, characterized in that the outer circumferential wall of the mounting cylinder (4) is provided with a plurality of guide grooves (44) at intervals in the circumferential direction, the inner circumferential wall of the annular push plate (72) is provided with a plurality of guide protrusions corresponding to the plurality of guide grooves (44) in a one-to-one manner, and each guide protrusion is positioned in one guide groove (44).

7. The simple clutch device as claimed in claim 5, characterized in that the control assembly (7) further comprises an annular cover plate (73), the annular cover plate (73) is coaxially connected to one end of the mounting cylinder (4) far away from the connecting wheel (2), the outer diameter of the annular cover plate (73) is larger than that of the annular support plate (5), and one end of the telescopic member (71) is connected to the end face of the annular cover plate (73).

8. The simple clutching device of claim 7, wherein the control assembly (7) comprises at least two telescoping members (71), at least two telescoping members (71) being equally spaced apart along a circumference of the annular cover plate (73).

9. The simple clutch device according to claim 5, characterized in that the control assembly (7) further comprises an annular air bag (74), the annular air bag (74) is coaxially sleeved on the mounting cylinder (4), and the annular air bag (74) is located between the elastic annular plate (6) and the annular push plate (72).

10. The simplified clutching device of claim 9, wherein the air bladder (74) is a rubber air bladder (74).

Technical Field

The disclosure relates to the technical field of driving equipment, in particular to a simple clutch device.

Background

The clutch device is a common driving device and is mainly used for cutting off or transmitting power output by an engine to a shafting structure.

The clutch device in the related art generally includes a connecting shaft coaxially connected to an output shaft of the engine, a connecting wheel for coaxially and rotatably connecting to the connecting shaft, a first jaw fixed to the connecting wheel, a second jaw opposite to the first jaw, and a second jaw connected to the connecting shaft. An oil passage is usually formed between the second clamping jaw and the outer peripheral wall of the connecting shaft, and oil injected into the oil passage or absorbed in the oil passage can push the second clamping jaw to be attached to the first clamping jaw to be clamped and rotated or separate the second clamping jaw from the first clamping jaw.

But first jack catch and second jack catch need better machining precision to lead to clutch's cost to rise by a wide margin on the one hand, and the processing cost can be improved to the great degree equally to the processing of fluid passageway, and on the other hand promotes the second jack catch to with the in-process of second jack catch laminating chucking, need consume more time, lead to clutch's response speed slower.

Disclosure of Invention

The embodiment of the disclosure provides a simple clutch device, which can obtain a clutch device with a relatively quick response by a relatively simple structure. The technical scheme is as follows:

the embodiment of the disclosure provides a simple clutch device, which comprises a connecting shaft, a connecting wheel, a connecting cylinder, an installation cylinder, an annular supporting plate, an elastic annular plate and a control component,

the connecting wheel is coaxial and rotationally connected with the connecting shaft, the connecting cylinder body is coaxially fixed with the connecting wheel, the inner peripheral wall of the connecting cylinder body is provided with threads,

the mounting cylinder body is coaxially connected and fixed with the connecting shaft and is distributed with the connecting wheel at intervals, the outer diameter of the mounting cylinder body is smaller than the inner diameter of the connecting cylinder body,

the annular supporting plate and the end surface of the mounting cylinder body close to the connecting wheel are coaxially connected and fixed, the annular supporting plate is positioned between the mounting cylinder body and the connecting cylinder body,

the coaxial cover of elasticity annular slab is established on the installation barrel, the periphery wall of elasticity annular slab with the internal perisporium screw-thread fit of connecting the barrel, just the terminal surface of elasticity annular slab with the terminal surface of annular support board links to each other, control assembly is used for control elasticity annular slab with compressing tightly or lax of connecting the barrel.

Optionally, the thickness of the elastic annular plate is 50-70 mm.

Optionally, the depth of the thread of the outer peripheral wall of the elastic annular plate is 30-40 mm, and the tooth thickness of the thread of the outer peripheral wall of the elastic annular plate is 30-40 mm.

Optionally, the mounting cylinder includes a first cylindrical portion and a second cylindrical portion that are coaxially connected, an outer diameter of the first cylindrical portion is smaller than an outer diameter of the second cylindrical portion, and the first cylindrical portion is coaxially inserted into the inner hole of the annular support plate.

Optionally, the control assembly comprises an extensible member and an annular push plate, one end of the extensible member is connected with the installation barrel, the other end of the extensible member is connected with the annular push plate, the elastic annular plate is located between the annular support plate and the annular push plate, and the extensible direction of the extensible member is parallel to the axial direction of the elastic annular plate.

Optionally, the circumferential direction of the outer circumferential wall of the installation cylinder body is provided with a plurality of guide grooves distributed at intervals, the inner circumferential wall of the annular push plate is provided with a plurality of guide protrusions in one-to-one correspondence with the plurality of guide grooves, and each of the guide protrusions is located in one of the guide grooves.

Optionally, the control assembly further comprises an annular cover plate, the annular cover plate is coaxially connected to one end, far away from the connecting wheel, of the mounting cylinder, the outer diameter of the annular cover plate is larger than that of the annular supporting plate, and one end of the telescopic piece is connected with the end face of the annular cover plate.

Optionally, the control assembly comprises at least two said telescoping members, at least two said telescoping members being equally spaced circumferentially along said annular cover plate.

Optionally, the control assembly further comprises an annular air bag, the annular air bag is coaxially sleeved on the installation barrel body, and the annular air bag is located between the elastic annular plate and the annular push plate.

Optionally, the bladder is a rubber bladder.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

in the simple separation device, the connecting shaft can be connected to the output shaft of the engine, and the connecting shaft is rotationally connected with the connecting wheel, so that the possibility of separating the connecting shaft from the connecting wheel is provided to control the cutting of power. The simple separation device is fixedly connected with the connecting cylinder body coaxially connected with the end face of the connecting wheel, threads on the inner circumferential wall of the connecting cylinder body can facilitate connection of the connecting wheel and other structures and transmission of force. The installation barrel is fixedly connected with the connecting shaft, the installation barrel is spaced from the connecting wheel, and a certain installation space is reserved between the installation barrel and the connecting wheel. Can be connected fixedly with the one end that the installation barrel is close to the fifth wheel with annular supporting plate, overlap the coaxial cover of elasticity annular slab on the installation barrel again, the periphery wall of elasticity annular slab and the internal perisporium screw-thread fit of connecting the barrel can be used for realizing driven possibility. And because the elastic annular plate has certain elasticity, under normal condition, when the connecting wheel rotates and drives the connecting cylinder body to rotate, the thread of the elastic annular plate is elastically deformed, the elastic annular plate is in a static state, and the annular supporting plate, the mounting cylinder body and the connecting shaft are all in a static state. When the connecting shaft is required to rotate, the control assembly works to enable the elastic annular plate to be tightly pressed on the inner circumferential wall of the connecting cylinder body, under the combined action of friction force and the threads of the outer circumferential wall of the elastic annular plate, the movement of the connecting cylinder body is transmitted to the elastic annular plate, and the elastic annular plate drives the annular supporting plate, the installing cylinder body and the connecting shaft to rotate. The simple clutch device is simple in overall structure, the machining process required by each part is simple, the manufacturing cost required by the simple clutch device is low, the deformation speed of the elastic annular plate is high, and effective separation between the connecting shaft and the connecting wheel can be achieved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic view illustrating a use state of a simple clutch device provided in an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a simple clutch device provided in the embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a connection cylinder provided by an embodiment of the present disclosure;

FIG. 4 is a side view of a connection cartridge provided by embodiments of the present disclosure;

FIG. 5 is a schematic view of the fitting relationship between the mounting cylinder and the annular support plate provided by the embodiment of the disclosure;

FIG. 6 is a side view of a mounting cartridge provided by embodiments of the present disclosure;

FIG. 7 is a schematic structural diagram of a circular push plate provided by an embodiment of the present disclosure;

FIG. 8 is a front view of an annular cover plate provided by embodiments of the present disclosure;

FIG. 9 is a side view of an annular cover plate provided by embodiments of the present disclosure;

fig. 10 is a schematic view of the fitting relationship between the elastic support plate and the airbag according to the embodiment of the disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

For the convenience of understanding, fig. 1 is provided first, fig. 1 is a schematic view illustrating a use state of a simple clutch device provided in an embodiment of the present disclosure, and referring to fig. 1, the simple clutch device includes a connecting shaft 1, a connecting wheel 2, a connecting cylinder 3, a mounting cylinder 4, an annular supporting plate 5, an elastic annular plate 6 and a control assembly 7. One end of a connecting shaft 1 of the simple clutch device is coaxially connected and fixed to an output shaft 1001 of the engine 100.

Fig. 2 is a schematic structural diagram of a simple clutch device provided in an embodiment of the present disclosure, and referring to fig. 2, it can be seen that the connecting wheel 2 is coaxially and rotatably connected with the connecting shaft 1, the connecting cylinder 3 is coaxially fixed with the connecting wheel 2, and an inner circumferential wall of the connecting cylinder 3 has a thread.

The installation cylinder 4 is coaxially connected and fixed with the connecting shaft 1, the installation cylinder 4 and the connecting wheel 2 are distributed at intervals, and the outer diameter of the installation cylinder 4 is smaller than the inner diameter of the connecting cylinder 3.

The annular supporting plate 5 and the mounting cylinder 4 are coaxially connected and fixed near the end face of the connecting wheel 2, and the annular supporting plate 5 is positioned between the mounting cylinder 4 and the connecting cylinder 3.

The elastic annular plate 6 is coaxially sleeved on the installation barrel 4, the outer peripheral wall of the elastic annular plate 6 is in threaded fit with the inner peripheral wall of the connection barrel 3, the end face of the elastic annular plate 6 is connected with the end face of the annular supporting plate 5, and the control assembly 7 is used for controlling the elastic annular plate 6 and the connection barrel 3 to be compressed or loosened.

In the simple clutch device, the connecting shaft 1 can be connected to the output shaft 1001 of the engine 100, the connecting shaft 1 is rotatably connected with the connecting wheel 2, and the possibility of separating the connecting shaft 1 from the connecting wheel 2 is provided to control the cut-off of the power. The simple separation device is characterized in that the connecting cylinder 3 is coaxially connected and fixed with the end face of the connecting wheel 2, and the threads on the inner peripheral wall of the connecting cylinder 3 can be used for conveniently realizing the connection between the connecting wheel 2 and other structures and the transmission of the acting force. The installation barrel 4 is fixedly connected with the connecting shaft 1, the installation barrel 4 is spaced from the connecting wheel 2, and a certain installation space is reserved between the installation barrel 4 and the connecting wheel 2. Can be connected fixedly with the one end that installation barrel 4 is close to fifth wheel 2 with annular supporting plate 5, again with the coaxial cover of elastic annular board 6 on installation barrel 4, the internal perisporium screw-thread fit of elastic annular board 6 and the interior perisporium of connecting barrel 3 can be used for realizing driven possibility. And because the elastic annular plate 6 has certain elasticity, under normal condition, when the connecting wheel 2 rotates to drive the connecting cylinder 3 to rotate, the thread of the elastic annular plate 6 is elastically deformed, the elastic annular plate 6 is in a static state, and the annular supporting plate 5, the mounting cylinder 4 and the connecting shaft 1 are in a static state. When the connecting shaft 1 is required to rotate, the control assembly 7 works to enable the elastic annular plate 6 to be tightly pressed on the inner circumferential wall of the connecting cylinder 3, under the combined action of friction force and threads on the outer circumferential wall of the elastic annular plate 6, the movement of the connecting cylinder 3 is transmitted to the elastic annular plate 6, and the elastic annular plate 6 drives the annular supporting plate 5, the mounting cylinder 4 and the connecting shaft 1 to rotate. The simple clutch device is simple in overall structure, the machining process required by each part is simple, the manufacturing cost required by the simple clutch device is low, the deformation speed of the elastic annular plate 6 is high, and effective separation between the connecting shaft 1 and the connecting wheel 2 can be achieved.

The pressing and loosening between the elastic annular plate 6 and the inner peripheral wall of the connection cylinder 3 means a state in which there is an interaction force between the elastic annular plate 6 and the inner wall of the connection cylinder 3 in the radial direction of the elastic annular plate 6, and there is no interaction force between the elastic annular plate 6 and the inner wall of the connection cylinder 3 in the radial direction of the elastic annular plate 6, respectively.

Optionally, the thickness of the elastic annular plate 6 is 50-70 mm.

When the thickness of the elastic annular plate 6 is within the above range, the elastic annular plate 6 can generate enough deformation to ensure that enough friction force and thrust force are generated between the elastic annular plate 6 and the outer peripheral wall of the connecting cylinder 3, and the stable transmission of the force is ensured.

The thickness of the elastic annular plate 6 may be outside the above range, and may also have a certain deformation effect to achieve the force transmission.

Alternatively, the elastic ring plate 6 may be made of one of rubber, elastic polymer or nylon.

The elastic annular plate 6 is made of the materials, so that the elastic annular plate 6 which can generate certain elastic deformation and maintain certain plasticity can be obtained, and the transmission effect of the acting force and the reaction rate of the simple clutch device are improved to a certain extent.

Illustratively, the depth of the thread of the outer peripheral wall of the elastic annular plate 6 is 30 to 40mm, and the tooth thickness of the thread of the outer peripheral wall of the elastic annular plate 6 is 30 to 40 mm.

The depth of the thread of the outer circumferential wall of the elastic ring plate 6 and the tooth thickness of the thread are located in the above ranges, the state when the elastic ring plate 6 is pressed against the surface of the inner circumferential wall of the connection cylinder 3 is most stable, and the transmission of the force between the connection cylinder 3 and the elastic ring plate 6 is very stable.

It should be noted that the inner diameter of the elastic annular plate 6 is larger than the maximum outer diameter of the mounting cylinder 4. The mounting of the elastic annular plate 6 can be facilitated and an effective connection between the elastic annular plate 6 and the annular support plate 5 can also be facilitated.

Referring to fig. 2, the connection cylinder 3 and the connection wheel 2 can be connected by bolts, and the connection wheel 2 has connection through holes 731 corresponding to the bolts. Be convenient for realize the stable connection between connecting cylinder 3 and fifth wheel 2, guarantee the stable transmission of effort.

Fig. 3 is a schematic structural diagram of a connection cylinder provided in an embodiment of the present disclosure, and referring to fig. 3, it can be seen that an end surface of the connection cylinder 3 near one end of the connection wheel 2 has a coaxial annular avoiding groove 31, the annular avoiding groove 31 is located on an inner circumferential wall of the connection cylinder 3, and the inner circumferential wall of the connection cylinder 3 at the other end has an internal thread.

One side of the connecting cylinder 3 close to the connecting wheel 2 is provided with an annular avoiding groove 31, which can facilitate the installation of the structure inside the connecting cylinder 3. In one implementation manner provided by the present disclosure, after the connection cylinder 3 is connected to the elastic annular plate 6, the annular support plate 5 is installed in the space vacated by the annular avoidance groove 31, and finally, the connection cylinder 3 is connected to the connection wheel 2.

Fig. 4 is a side view of the connection cylinder provided by the embodiment of the present disclosure, and as can be seen from fig. 4, the connection cylinder 3 has a plurality of connection threaded holes 32 in the circumferential direction, and each connection threaded hole 32 is used for connecting a bolt.

The increase of a plurality of connecting screw hole 32 can cooperate and connect a plurality of bolts, guarantees that connecting cylinder 3 can carry out comparatively stable being connected with fifth wheel 2.

Fig. 5 is a schematic diagram of a fitting relationship between the mounting cylinder and the annular support plate according to an embodiment of the present disclosure, and as can be seen from fig. 5, the mounting cylinder 4 includes a first cylindrical portion 41 and a second cylindrical portion 42 which are coaxially connected, an outer diameter of the first cylindrical portion 41 is smaller than an outer diameter of the second cylindrical portion 42, and the first cylindrical portion 41 is coaxially inserted into an inner hole of the annular support plate 5.

The mounting cylinder 4 includes a first cylindrical portion 41 and a second cylindrical portion 42, and the first cylindrical portion 41 having a smaller diameter is coaxially inserted into the inner hole of the annular support plate 5. The second cylindrical part 42 can be ensured to play a good supporting role, and the height difference formed between the second cylindrical part 42 and the first cylindrical part 41 can provide a space for installing the annular support plate 5, so that the annular support plate 5 and the installation cylinder 4 can be conveniently connected and fixed.

Exemplarily, the minimum distance between the first cylindrical portion 41 and the fifth wheel 2 is larger than zero and smaller than 4 mm.

The minimum distance between first cylindric part 41 and fifth wheel 2 lies in above scope, can avoid producing the friction between installation barrel 4 and the fifth wheel 2, and installation barrel 4 also can receive great external force and probably produces under the condition of rocking at the fifth wheel 2 simultaneously, plays the supporting role to fifth wheel 2, guarantees simple and easy clutch's stability.

It should be noted that the connecting wheel 2 and the mounting cylinder 4 can be connected by a key. Facilitating the stable connection of the two.

Alternatively, the annular support plate 5 may be bolted to the end face of the second cylindrical portion 42. The space occupied by the annular supporting plate 5 and the installation barrel 4 can be effectively reduced while the connection of the annular supporting plate 5 and the installation barrel 4 is realized.

Referring to fig. 5, the mounting cylinder 4 may include a third cylindrical portion 43 coaxially connected to the second cylindrical portion 42, the third cylindrical portion 43 being located at an end of the second cylindrical portion 42 remote from the first cylindrical portion 41. The third cylindrical portion 43 may provide space for connection to the control assembly 7, facilitating connection to the control assembly 7 without taking up too much space. The whole structure of the simple clutch device is compact.

Illustratively, the control assembly 7 comprises a telescopic member 71 and an annular push plate 72, one end of the telescopic member 71 is connected with the mounting cylinder 4, the other end of the telescopic member 71 is connected with the annular push plate 72, the elastic annular plate 6 is positioned between the annular supporting plate 5 and the annular push plate 72, and the telescopic direction of the telescopic member 71 is parallel to the axial direction of the elastic annular plate 6.

The extensible member 71 moves axially, can promote annular push pedal 72, compresses tightly elastic annular plate 6 on annular support plate 5 stably, and elastic annular plate 6 is compressed and takes place elastic deformation, and elasticity annular plate 6 upwards takes place the inflation, can contact with the internal perisporium of connecting barrel 3 uniformly, is convenient for realize the stability of the transmission of assurance effect when promotion and the compress tightly of elasticity annular plate 6.

Illustratively, the extension member 71 may comprise an air cylinder or an oil cylinder or an electric extension rod. The present disclosure is not so limited.

Alternatively, the control assembly 7 may comprise an annular push plate 72 and at least two telescopic members 71, the at least two telescopic members 71 being evenly distributed along the circumference of the annular push plate 72. The stable transmission of the acting force can be ensured.

Fig. 6 is a side view of a mounting cylinder provided in an embodiment of the present disclosure, fig. 7 is a schematic structural diagram of a ring-shaped push plate provided in an embodiment of the present disclosure, and in conjunction with fig. 6 and 7, a circumferential direction of an outer circumferential wall of the mounting cylinder 4 may have a plurality of guide grooves 44 distributed at intervals, an inner circumferential wall of the ring-shaped push plate 72 has a plurality of guide protrusions 721 corresponding to the plurality of guide grooves 44 one by one, and each guide protrusion 721 is located in one guide groove 44.

The cooperation between the peripheral wall of annular push pedal 72 and installation barrel 4 can play the guide effect to annular push pedal 72, guarantees that annular push pedal 72 is more for stably compressing elastic annular plate 6 for elastic annular plate 6 is whole to take place comparatively even deformation, with evenly compressing tightly on the internal perisporium of connecting barrel 3. The transmission of the acting force between the connecting cylinder 3 and the elastic annular plate 6 is uniform.

It should be noted that, under the condition that the mounting cylinder 4 includes the second cylindrical portion 42, the guiding protrusion 721 on the annular pushing plate 72 is matched with the guiding groove 44 on the outer circumferential wall of the second cylindrical portion 42 of the mounting cylinder 4, the guiding groove 44 extends from one end of the second cylindrical portion 42 to the other end of the second cylindrical portion 42, and the length direction of the guiding groove 44 is parallel to the axis of the mounting cylinder 4.

Alternatively, the bottom surface of the guide groove 44 has two grooves 441 parallel to and spaced apart from each other, the grooves 441 extend from one end of the second cylindrical portion 42 to the other end of the second cylindrical portion 42, and the two grooves 441 respectively meet two side walls of the guide groove 44.

The increase of the groove 441 can form a certain space between the guide groove 44 and the guide protrusion 721 on the premise that the guide groove 44 realizes the guide, and reduce the friction to facilitate the sliding between the guide protrusion 721 and the guide groove 44.

Referring to fig. 7, in the case that the number of the telescopic members 71 provided in the present disclosure is 2, the end surface of the annular push plate 72 has a coupling protrusion coupled to the telescopic member 71, and the surface of the coupling protrusion has a threaded hole. Facilitating the threaded connection between the annular push plate 72 and the telescopic member 71.

Illustratively, the control assembly 7 further comprises an annular cover plate 73, the annular cover plate 73 is coaxially connected to an end of the mounting cylinder 4 far away from the connecting wheel 2, an outer diameter of the annular cover plate 73 is larger than that of the annular support plate 5, and one end of the telescopic member 71 is connected to an end face of the annular cover plate 73.

The addition of the annular cover plate 73 facilitates the installation of the extensible member 71 and the assembly and disassembly of the annular cover plate 73 and the extensible member 71 as a whole.

On the premise that the mounting cylinder 4 includes the third cylindrical portion 43, the annular cover plate 73 can be coaxially sleeved on the third cylindrical portion 43, so as to facilitate the integral connection.

It should be noted that the annular cover plate 73 and the third cylindrical portion 43 may be connected by interference fit, by a connector, or by a key connection. The present disclosure is not so limited.

Fig. 8 is a front view of an annular cover plate provided by an embodiment of the present disclosure, and fig. 8 shows the connection between two telescoping members 71 and an annular cover plate 73. In other implementations provided by the present disclosure, the number of the telescopic members 71 may also be 3 or 4 or 5 or 6, which is not limited by the present disclosure.

Referring to fig. 8, the thickness of the annular cover plate 73 decreases from the center of the annular cover plate 73 to the edge of the annular cover plate 73.

The annular cover plate 73 adopts the structure, the use strength of the annular cover plate 73 can be ensured, the difficulty of edge processing of the annular cover plate 73 can be reduced, and a through hole 731 is formed in the edge of the annular cover plate 73 to connect the telescopic piece 71. And the edge thickness of the annular cover plate 73 is smaller, so that a certain mounting space can be reserved for the telescopic piece 71, and the space occupied by the simple clutch device is reduced.

Fig. 9 is a side view of the annular cover plate provided in the embodiment of the present disclosure, and referring to fig. 9, when the telescopic member 71 is a cylinder or a ram, the annular cover plate 73 has a through hole 731 connected to the cylinder or the ram.

The addition of through-holes 731 may facilitate control of telescoping member 71.

Illustratively, the control assembly 7 further comprises an annular air bag 74, the annular air bag 74 is coaxially sleeved on the mounting cylinder 4, and the annular air bag 74 is located between the elastic annular plate 6 and the annular push plate 72.

The annular air bag 74 located between the elastic annular plate 6 and the annular push plate 72 can play an emergency role, and when the energy supply device fails to cause the expansion piece 71 to be unusable, air can be introduced into the air bag 74 to expand the air bag 74, and the air bag 74 can push the elastic annular plate 6 to be compressed with the connecting cylinder 3 so as to realize the connection between the connecting cylinder 3 and the elastic annular plate 6. If separation is needed, after the annular push plate 72 is pushed back to the side where the telescopic piece 71 is located by the annular air bag 74, air in the air bag 74 can be released, the annular push plate 72 retracts and cannot be pressed to the elastic annular plate 6, the air bag 74 releases air again and cannot be pressed to the elastic annular plate 6, and the elastic annular plate 6 and the connecting cylinder 3 do not synchronously rotate any more. The emergency capacity of the simple clutch device can be improved by a simpler structure.

Illustratively, the bladder 74 may be made of a rubber material. Is convenient for preparation and acquisition.

Fig. 10 is a schematic view of the matching relationship between the elastic support plate and the air bag provided by the embodiment of the disclosure, and as can be seen from fig. 10, the annular air bag 74 is not connected with the installation cylinder 4, and the annular air bag 74 is connected with the elastic annular plate 6. Facilitating the disassembly and assembly of the air bag 74.

Illustratively, the annular bladder 74 and the resilient annular plate 6 may be adhesively bonded. Facilitating the disassembly and assembly of the annular bladder 74.

Although the present invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.