CN210013955U

CN210013955U - Automatic clutch device

Info

Publication number: CN210013955U
Application number: CN201920741162.9U
Authority: CN
Inventors: 王喜朋
Original assignee: DONGGUAN QINJI GEAR MOTOR Co Ltd
Current assignee: DONGGUAN QINJI GEAR MOTOR Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-04
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an automatic clutch device, which comprises a motor, an automatic clutch mechanism and a rocker rotating piece, wherein the motor is connected with the automatic clutch mechanism through a first group of reduction gears, and the automatic clutch mechanism is connected with the rocker rotating piece through a second group of reduction gears; automatic clutching mechanism is including the separation and reunion setting element, lower driving medium, go up the transmission piece, separation and reunion piece and elastic component, this separation and reunion piece has separation and reunion piece and separation and reunion piece down, through setting the separation and reunion piece to the separation and reunion piece and separation and reunion piece down of components of a whole that can function independently, the condition that the separation and reunion convex part card that can stop appearing the separation and reunion piece can't form the separation and reunion connection with the separation and reunion concave part in the bottom surface of last transmission piece, moreover can eliminate the first separation and reunion convex part card of separation and reunion piece in the past in the bottom surface of last transmission piece, and when the setting element continues to drive the separation and.

Description

Automatic clutch device

Technical Field

The utility model belongs to the technical field of the clutch device and specifically relates to indicate an automatic clutch.

Background

The automatic clutch device is widely applied, the quality of a product is determined by the quality of the performance of the automatic clutch device, and the correct application of the clutch device can effectively improve the performance and the use convenience of the product. For example, with the improvement of living standards, many homes and stores have started to adopt electrically opened and closed doors and windows. Most of automatic opening and closing doors and windows can be provided with an automatic clutch device for the purpose of enabling the doors and windows to be opened and closed manually more easily and conveniently, the automatic clutch device can be separated from the motor when the doors and windows are opened and closed manually, the motor cannot be pulled to rotate when the doors and windows are opened and closed manually, and therefore the doors and windows can be opened and closed manually without difficulty.

The existing automatic clutch device for electric doors and windows mainly comprises a positioning part, a lower transmission part, a clutch part and an upper transmission part; generally speaking, a first salient point is arranged on the positioning part, and a second salient point which is matched and connected with the first salient point and only moves upwards is arranged on the clutch part; the lower transmission part is provided with a first transmission convex point, the clutch part is provided with a first transmission concave position which is matched and connected with the first transmission convex point, and the lower transmission part is matched and connected with the first transmission concave position through the first transmission convex point so as to transmit the clutch part to rotate; the clutch part is also provided with a clutch salient point, and the upper transmission part is provided with a clutch concave position which forms clutch connection with the clutch salient point.

The clutch piece is only one piece, and the clutch piece is directly moved through the connection between the first salient point and the second salient point, so that the first clutch convex part is inserted into the first clutch concave part; by adopting the structure, in the process that the clutch piece moves upwards, the first clutch convex part is not inserted into the first clutch concave position but is clamped on the bottom surface of the upper transmission piece, so that the clutch piece and the upper transmission piece cannot form clutch connection, and the clutch connection process is not smooth; moreover, because the first clutch convex part of the clutch member is clamped on the bottom surface of the upper transmission member, and the positioning member continues to drive the clutch member to move upwards, the first clutch convex part can continue to move upwards, and the first clutch convex part pushes the upper transmission member upwards, so that the automatic clutch device is damaged.

Therefore, there is a need for further improvement of the existing automatic clutch device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an automatic clutch device, which is reasonable in structural configuration and effectively solves the problem that the clutch process is not smooth or even the automatic clutch is damaged due to the imperfect structure of the existing automatic clutch device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic clutch device comprises a motor, an automatic clutch mechanism and a rocker rotating piece, wherein the motor is connected with the automatic clutch mechanism through a first group of reduction gears, and the automatic clutch mechanism is connected with the rocker rotating piece through a second group of reduction gears; the automatic clutch mechanism comprises

The clutch positioning piece is provided with a first clutch part;

a lower transmission member rotatably assembled on the clutch positioning member, wherein the lower transmission member is provided with a third clutch part;

an upper transmission piece rotatably assembled on the clutch positioning piece, wherein the upper transmission piece is provided with a sixth clutch part;

a clutch piece which is rotatably assembled on the clutch positioning piece and is movably clamped between the lower transmission piece and the upper transmission piece, wherein the clutch piece comprises a clutch upper piece and a clutch lower piece; the clutch upper piece is provided with a second clutch part and a fourth clutch part, and the clutch lower piece is provided with a fifth clutch part;

the elastic piece is sleeved on the clutch positioning piece and is positioned between the lower transmission piece and the clutch lower piece and between the upper transmission piece and the clutch upper piece.

The second clutch part is connected with the first clutch part in a matching mode, the fourth clutch part is connected with the third clutch part in a matching mode, and the fifth clutch part and the sixth clutch part form clutch connection.

As a preferred embodiment: the first clutch part and the second clutch part are triangular convex teeth with the same size, and the convex teeth of the first clutch part are connected with the convex teeth of the second clutch part to enable the clutch upper piece to move up and down.

As a preferred embodiment: the third clutch part is a first clutch groove; the fourth clutch part is a trapezoidal boss, a limiting column extends from the bottom of the trapezoidal boss, and a limiting step is formed between the limiting column and the trapezoidal boss; the trapezoidal boss and the limiting column are limited in the first clutch groove.

As a preferred embodiment: the fifth clutch part is a clutch convex column, the sixth clutch part is a clutch concave hole, and the clutch convex column is inserted into the clutch concave hole or separated from the clutch concave hole to form clutch connection.

As a preferred embodiment: the clutch lower piece is provided with a first avoidance through groove in a penetrating manner, and the clutch upper piece is provided with a second avoidance through groove in a penetrating manner; the fourth clutch part penetrates through the first avoidance through groove to be connected with the third clutch part in a matched mode, and the fifth clutch part penetrates through the second avoidance through groove to be connected with the sixth clutch part in a clutch mode.

As a preferred embodiment: the clutch positioning piece comprises a first assembling section, a second assembling section and a third assembling section which are gradually reduced from bottom to top, the lower transmission piece is assembled in the first assembling section, the clutch piece is assembled in the second assembling section, and the upper transmission piece is assembled in the third assembling section;

a first step is formed between the first assembling section and the second assembling section, and a second step is formed between the second assembling section and the third assembling section; the lower transmission member is limited by the first step, and the upper transmission member is limited by the second step.

As a preferred embodiment: the elastic part comprises a first elastic part and a second elastic part, and the first elastic part and the second elastic part are springs.

As a preferred embodiment: the upper transmission piece and the upper separation piece are both provided with limiting grooves, and the end parts of the first elastic pieces are limited in the corresponding limiting grooves respectively.

As a preferred embodiment: the elastic force of the first elastic member is greater than the elastic force of the second elastic member.

As a preferred embodiment: the protective shell comprises a bottom shell and an upper cover, and the upper cover is tightly mounted on the bottom shell through screws;

the bottom shell is provided with an accessory installation area for installing each part and a motor installation area for installing a motor; the accessory mounting region is provided with a clutch mechanism mounting recess, a rotating member mounting recess and a plurality of fixing shafts for mounting reduction gears.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme: the clutch element is arranged into a clutch upper element and a clutch lower element which are separated, elastic elements are arranged between the clutch upper element and the upper transmission element and between the clutch lower element and the lower transmission element, the second clutch part is connected with the first clutch part in a matched mode, the fourth clutch part is connected with the third clutch part in a matched mode, and the fifth clutch part and the sixth clutch part form clutch connection; therefore, when the lower transmission piece drives the upper clutch piece and the lower clutch piece to rotate, the upper clutch piece moves upwards firstly, then the lower clutch piece moves upwards to abut against the bottom surface of the upper transmission piece due to the elastic force of the elastic piece, and the fifth clutch part and the sixth clutch part are connected in a clutch manner only along with the rotation;

therefore, compared with the traditional automatic clutch device which directly drives the clutch piece to move upwards by the positioning piece and forms clutch connection with the upper transmission piece, the automatic clutch device can avoid the situation that the clutch convex part of the clutch piece is clamped on the bottom surface of the upper transmission piece and can not form clutch connection with the clutch concave part, and can also solve the problem that the first clutch convex part of the previous clutch piece is clamped on the bottom surface of the upper transmission piece, and when the positioning piece continuously drives the clutch piece to move upwards, the first clutch convex part moves upwards to jack the upper transmission piece upwards so as to damage the automatic clutch mechanism; the clutch mechanism not only can ensure the smooth process of clutch connection and reliable operation of clutch operation, but also can prolong the service life of the automatic clutch mechanism.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is an exploded view of the automatic clutch mechanism according to the preferred embodiment of the present invention.

Fig. 3 is a further exploded perspective view of the automatic clutch mechanism according to the preferred embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the automatic clutch mechanism according to the preferred embodiment of the present invention in the "off" state.

Fig. 5 is a schematic structural view of the automatic clutch mechanism according to the preferred embodiment of the present invention in an "on" state.

The attached drawings indicate the following:

10. motor 20 and automatic clutch mechanism

21. Clutch positioning element 2101 and first assembly section

2102. Second assembling section 2103, third assembling section

2104. A first step 2105 and a second step

211. First clutch part 22 and lower transmission member

221. Third clutch part 23, upper transmission element

231. Sixth clutch part 232 and limit groove

24. Clutch 241 and clutch upper

2411. Second clutch 2412 and fourth clutch

2413. Second avoiding through groove 2414 and limiting column

242. Clutch lower part 2421 and fifth clutch part

2422. First avoiding through groove 25 and elastic part

251. A first elastic member 252 and a second elastic member

30. Rocker arm rotary member 41, first group reduction gear

42. Second group reduction gear 50, protective housing

51. Bottom case 511, accessory mounting area

512. Motor mounting area 513 and clutch mechanism mounting concave position

514. Rotating member mounting recess 515, fixed shaft

52. And (7) covering.

Detailed Description

Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, which is an automatic clutch device, including a motor 10, an automatic clutch mechanism 20 and a rocker arm rotating member 30.

The motor is connected to the automatic clutch mechanism 20 through a first group of reduction gears 41, and the automatic clutch mechanism 20 is connected to the rocker arm rotary piece 30 through a second group of reduction gears 42. The swing arm swing member 30 has a square hole, so that the automatic clutch device is installed on the fixed frame or the movable frame of the door and window, and then the swing arm is connected with the fixed frame or the movable frame, and the swing arm and the square hole are connected with the swing arm swing member 30, so that the movable frame can be driven to realize opening and closing operations when the swing arm and the square hole rotate.

The automatic clutch mechanism 20 comprises a clutch positioning piece 21, a lower transmission piece 22, an upper transmission piece 23, a clutch piece 24 and an elastic piece 25; wherein, the upper transmission member 22 and the lower transmission member 23 are rotatably assembled on the clutch positioning member 21, and the clutch member 24 is assembled on the clutch positioning member 21 and movably clamped between the lower transmission member 22 and the upper transmission member 23; the elastic member 25 is sleeved on the clutch positioning member 21, the clutch positioning member 21 includes an upper clutch member 241 and a lower clutch member 242, and the elastic member 25 is respectively located between the lower transmission member 22 and the lower clutch member 242 and between the upper transmission member 23 and the upper clutch member 241.

In the present embodiment, the clutch positioning member 21 is provided with a first clutch portion 211, the lower transmission member 22 is provided with a third clutch portion 221, the upper transmission member 23 is provided with a sixth clutch portion 231, the clutch upper member 241 is provided with a second clutch portion 2411 and a fourth clutch portion 2412, and the clutch lower member 242 is provided with a fifth clutch portion 2421; the second clutch portion 2411 is engaged with the first clutch portion 211, the fourth clutch portion 2412 is engaged with the third clutch portion 221, and the fifth clutch portion 2421 and the sixth clutch portion 231 are engaged.

Specifically, the first clutch part 211 and the second clutch part 2411 are triangular teeth with the same size, and the teeth of the first clutch part 211 and the teeth of the second clutch part 2411 are connected to cause the clutch upper 241 to move up and down; of course, the first clutch portion 211 and the second clutch portion 2411 may also be formed as trapezoidal convex points, and the shape is not limited to the triangular convex teeth of the present embodiment, as long as the clutch upper can move upwards when the clutch upper rotates.

The third clutch part 221 is a first clutch groove, the fourth clutch part 2412 is a trapezoidal boss, a limit post 2414 extends from the bottom of the trapezoidal boss, and a limit step is formed between the limit post 2414 and the trapezoidal boss; the trapezoidal boss and the spacing post 2414 are confined in the first clutch slot. When the lower rotating member 22 rotates, the clutch upper 241 rotates due to the rotation of the lower transmission member 22, in the rotating process, when the second clutch portion 2411 abuts against the first clutch portion 211 along with the rotation, because the first clutch portion 211 is stationary, the first clutch portion 211 can jack up the second clutch portion 2411, so as to realize the upward movement of the clutch upper 241, and along with the upward movement of the clutch upper 241, the limit step thereof abuts against the upper surface of the lower transmission member 22, and the limit column 2414 is still limited in the first clutch groove, and rotates along with the rotation of the lower transmission member 22 to drive the clutch upper 241 to rotate.

The fifth clutch part 2421 is a clutch protrusion, the sixth clutch part 231 is a clutch recess, and the clutch protrusion is inserted into the clutch recess or separated from the clutch recess to form clutch connection. Here, the structures of the third clutch portion 221 and the fourth clutch portion 2412 may be interchanged, and the same effect may be achieved. A first avoidance through groove 2422 is formed in the clutch lower piece 242 in a penetrating manner, and a second avoidance through groove 2413 is formed in the clutch upper piece 241 in a penetrating manner; the fourth clutch part 2412 passes through the first avoiding through groove 2422 to be connected with the third clutch part 221 in a matching manner, and the fifth clutch part 2421 passes through the second avoiding through groove 2413 to be connected with the sixth clutch part 231 in a clutching manner. Because the fifth clutch part 2421 passes through the second avoiding through groove 2413 to form clutch connection with the sixth clutch part 231, the fourth clutch part 2412 passes through the first avoiding through groove 2422 to be matched and connected with the third clutch part 221; the first avoiding through groove 2422 and the second avoiding through groove 2413 have a limiting function, so when the upper clutch piece 241 rotates, the lower clutch piece 242 rotates synchronously along with the rotation of the upper clutch piece 241. Moreover, because the elastic member 25 is disposed between the clutch lower member 242 and the lower transmission member 22, when the clutch upper member 241 moves upward, the clutch lower member 242 will move upward due to the elastic force of the elastic member 25; after the clutch lower 242 moves upward, the fifth clutch protrusion 2421 of the clutch lower 242 may occur in two situations, one is that the top surface of the fifth clutch part 2421 abuts against the bottom surface of the upper transmission element 23, and is not inserted into the sixth clutch part 231 at this time, but only the fifth clutch part 2421 is inserted into the sixth clutch part 231 along with the rotation of the clutch lower 242; alternatively, the fifth clutch part 2421 may be directly inserted into the sixth clutch part 231.

In more detail, the clutch positioning member 21 includes a first assembling section 2101, a second assembling section 2102 and a third assembling section 2103 which are gradually reduced from bottom to top, the lower transmission member 22 is assembled at the first assembling section 2101, the clutch member 24 is assembled at the second assembling section 2102, and the upper transmission member 23 is assembled at the third assembling section 2103; a first step 2104 is formed between the first assembling section 2101 and the second assembling section 2102, and a second step 2105 is formed between the second assembling section 2102 and the third assembling section 2103; the lower transmission member 22 is constrained by the first step 2104 and the upper transmission member 23 is constrained by the second step 2105. Through dividing into the multistage setting with clutch positioning piece 21, lower driving medium 22, go up driving medium 23 and clutch 24 assemble on corresponding assembly section, and have between per two assembly sections and be used for spacing step, consequently can make the assembly between lower driving medium 22, last driving medium 23 and clutch 24 and the clutch positioning piece 21 simple, convenient.

In this embodiment, the elastic member 25 includes a first elastic member 251 and a second elastic member 252; the first elastic member 251 is arranged between the upper transmission member 23 and the clutch upper member 241, and the second elastic member 252 is arranged between the lower transmission member 22 and the clutch lower member 242; the first elastic member 251 and the second elastic member 252 are springs; one end of the first elastic member 251 abuts against the upper transmission member 23, and the other end abuts against the upper separation member 241; one end of the second elastic element 252 abuts against the clutch lower element 242, and the other end abuts against the lower transmission element 22. And the elastic force of the first elastic member 251 is greater than that of the second elastic member 252, and the effect of setting the elastic force of the first elastic member 251 greater than that of the second elastic member 252 is to ensure that the clutch lower member 242 and the upper transmission member 23 can be pressed down by the elastic force of the first elastic member 251 when the clutch lower member 241 and the clutch lower member 242 are disconnected, so that the fifth clutch part 2421 can be completely disconnected from the sixth clutch part 231. Preferably, the upper transmission member 23 and the clutch upper member 241 are provided with limit grooves 232, and the ends of the first elastic member 251 are respectively limited in the corresponding limit grooves 232.

Further comprises a protective shell 50, the protective shell 50 comprises a bottom shell 51 and an upper cover 52, the upper cover 52 is fixedly arranged on the bottom shell 51 through screws; the bottom case 51 has an accessory mounting area 511 for mounting various parts and a motor mounting area 512 for mounting a motor; the accessory mounting region 511 is provided with a clutch mechanism mounting recess 513, a rotating member mounting recess 514, and a plurality of fixed shafts 515 for mounting reduction gears.

Detailed description the working principle of the utility model is as follows: firstly, the motor 10 rotates to drive the lower transmission member 22 to rotate through the first group of reduction gears 41, and the lower transmission member 22 rotates to drive the upper clutch member 241 and the lower clutch member 242 to synchronously rotate; (see fig. 4) the first clutch part 211 and the second clutch part 2411 are connected and push up the upper member 241, and at the same time, the elastic force of the elastic member 25 causes the lower clutch member 242 to move up along with the upper member 241; the fifth clutch part 2421 of the clutch lower piece 242 abuts against the upper transmission piece 23, and along with the rotation, the fifth clutch part 2421 is inserted into the sixth clutch part 231 to drive the upper transmission piece 23 to rotate, and the upper transmission piece 23 drives the rocker arm swinging piece 30 to open and close the movable frame of the door and window through the second group of reduction gears 42;

when the motor 10 does not work and the door and window need to be opened and closed manually; the movable frame of the door and window is pushed, the rocker arm drives the rocker arm rotating piece 30 to rotate along with the swinging, then the upper transmission piece 23 is driven to rotate, (see fig. 5) the upper transmission piece drives the upper clutch piece 241 and the lower clutch piece 241 to rotate, the limiting step of the upper clutch piece 241 is not abutted to the upper surface of the lower transmission piece 22 in the rotating process, the elastic piece 25 presses the upper clutch piece 241 and the lower clutch piece 241 downwards simultaneously to separate the fifth clutch part 2421 and the sixth clutch part 231, and at the moment, the automatic clutch mechanism 20 is in an off state. Therefore, the motor 10 cannot be driven to rotate reversely when the door and window are manually opened and closed, the motor 10 can be protected, the manual door and window opening and closing process does not need to be operated vigorously, and the manual opening and closing mode is easy and convenient.

The utility model discloses a design focus lies in: the clutch element 24 is divided into an upper clutch element 241 and a lower clutch element 242, the elastic element 25 is arranged between the upper clutch element 241 and the upper transmission element 23 and between the lower clutch element 242 and the lower transmission element 22, the second clutch part 2411 is in fit connection with the first clutch part 211, the fourth clutch part 2412 is in fit connection with the third clutch part 221, and the fifth clutch part 2421 and the sixth clutch part 231 form clutch connection; therefore, when the lower transmission member 22 drives the upper separation member 241 and the lower separation member 242 to rotate, the upper separation member 241 moves upward first, and then the lower separation member 242 moves upward against the bottom surface of the upper transmission member 23 due to the elastic force of the elastic member 25, so that the fifth clutch part 2421 and the sixth clutch part 231 are connected in a separation and reunion manner along with the rotation;

therefore, compared with the traditional automatic clutch device which directly drives the clutch piece to move upwards by the positioning piece and forms clutch connection with the upper transmission piece, the automatic clutch device can avoid the situation that the clutch convex part of the clutch piece is clamped on the bottom surface of the upper transmission piece and can not form clutch connection with the clutch concave part, and can also solve the problem that the first clutch convex part of the previous clutch piece is clamped on the bottom surface of the upper transmission piece, and when the positioning piece continuously drives the clutch piece to move upwards, the first clutch convex part moves upwards to jack the upper transmission piece upwards so as to damage the automatic clutch mechanism; not only can ensure the smooth process of clutch connection and reliable operation of clutch operation, but also can prolong the service life of the automatic clutch mechanism 20.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An automatic clutch device comprises a motor (10), an automatic clutch mechanism (20) and a rocker arm rotating piece (30), wherein the motor (10) is connected with the automatic clutch mechanism (20) through a first group of reduction gears (41), and the automatic clutch mechanism (20) is connected with the rocker arm rotating piece (30) through a second group of reduction gears (42); the method is characterized in that: the automatic clutch mechanism (20) comprises

The clutch positioning piece (21), the clutch positioning piece (21) is provided with a first clutch part (211);

a lower transmission member (22) rotatably assembled on the clutch positioning member (21), wherein the lower transmission member (22) is provided with a third clutch part (221);

an upper transmission piece (23) rotatably assembled on the clutch positioning piece (21), wherein the upper transmission piece (23) is provided with a sixth clutch part (231);

a clutch piece (24) which is rotatably assembled on the clutch positioning piece (21) and is movably clamped between the lower transmission piece (22) and the upper transmission piece (23), wherein the clutch piece (24) comprises an upper clutch piece (241) and a lower clutch piece (242); the clutch upper piece (241) is provided with a second clutch part (2411) and a fourth clutch part (2412), and the clutch lower piece (242) is provided with a fifth clutch part (2421);

the elastic piece (25) is sleeved on the clutch positioning piece (21) and is positioned between the lower transmission piece (22) and the clutch lower piece (242) and between the upper transmission piece (23) and the clutch upper piece (241);

the second clutch part (2411) is in fit connection with the first clutch part (211), the fourth clutch part (2412) is in fit connection with the third clutch part (221), and the fifth clutch part (2421) and the sixth clutch part (231) form clutch connection.

2. The automatic clutch device according to claim 1, characterized in that: the first clutch part (211) and the second clutch part (2411) are triangular convex teeth with the same size, and the convex teeth of the first clutch part (211) and the convex teeth of the second clutch part (2411) are connected to cause the clutch upper piece (241) to move up and down.

3. The automatic clutch device according to claim 1, characterized in that: the third clutch part (221) is a first clutch groove; the fourth clutch part (2412) is a trapezoidal boss, a limiting column (2414) extends from the bottom of the trapezoidal boss, and a limiting step is formed between the limiting column (2414) and the trapezoidal boss; the trapezoidal boss and the limiting column (2414) are limited in the first clutch groove.

4. The automatic clutch device according to claim 1, characterized in that: the fifth clutch part (2421) is a clutch convex column, the sixth clutch part (231) is a clutch concave hole, and the clutch convex column is inserted into the clutch concave hole or separated from the clutch concave hole to form clutch connection.

5. The automatic clutch device according to claim 1, characterized in that: a first avoidance through groove (2422) penetrates through the clutch lower piece (242), and a second avoidance through groove (2413) penetrates through the clutch upper piece (241); the fourth clutch part (2412) penetrates through the first avoiding through groove (2422) to be matched and connected with the third clutch part (221), and the fifth clutch part (2421) penetrates through the second avoiding through groove (2413) to be in clutch connection with the sixth clutch part (231).

6. The automatic clutch device according to claim 1, characterized in that: the clutch positioning piece (21) comprises a first assembling section (2101), a second assembling section (2102) and a third assembling section (2103), wherein the first assembling section (2101), the second assembling section (2102) and the third assembling section (2103) are gradually reduced from bottom to top, the lower transmission piece (22) is assembled on the first assembling section (2101), the clutch piece (24) is assembled on the second assembling section (2102), and the upper transmission piece (23) is assembled on the third assembling section (2103);

a first step (2104) is formed between the first assembly section (2101) and the second assembly section (2102), and a second step (2105) is formed between the second assembly section (2102) and the third assembly section (2103); the lower transmission member (22) is constrained to a first step (2104), and the upper transmission member (23) is constrained to a second step (2105).

7. The automatic clutch device according to claim 1, characterized in that: the elastic member comprises a first elastic member (251) and a second elastic member (252), and the first elastic member (251) and the second elastic member (252) are springs.

8. The automatic clutch device according to claim 7, characterized in that: the upper transmission piece (23) and the clutch upper piece (241) are both provided with limiting grooves (232), and the ends of the first elastic piece (251) are limited in the corresponding limiting grooves (232).

9. The automatic clutch device according to claim 7, characterized in that: the elastic force of the first elastic member (251) is greater than the elastic force of the second elastic member (252).

10. The automatic clutch device according to claim 1, characterized in that: the protective shell (50) is further included, the protective shell (50) comprises a bottom shell (51) and an upper cover (52), and the upper cover (52) is fixedly arranged on the bottom shell (51) through screws;

the bottom case (51) has an accessory mounting area (511) for mounting various parts and a motor mounting area (512) for mounting a motor; the accessory mounting region (511) is provided with a clutch mechanism mounting recess (513), a rotating member mounting recess (514), and a plurality of fixing shafts (515) for mounting reduction gears.