Clutch assembly for electric operating mechanism and electric operating mechanism

Abstract

The utility model discloses a clutch assembly for an electric operating mechanism and the electric operating mechanism. The clutch assembly comprises a fluted disc, an operating shaft, a linkage piece, a clutch disc and two sets of clutch claws. A containing cavity is formed in the fluted disc, the linkage piece is rotatably connected into the containing cavity, the clutch disc is arranged on one side of the linkage piece and connected with the linkage piece, the operation shaft is arranged on the linkage piece and the clutch disc in a penetrating mode, and the clutch disc rotates along with the operation shaft; the clutch claws are oppositely arranged on the periphery of the linkage part, the first ends of the clutch claws are hinged to the fluted disc, the second ends of the clutch claws are provided with clutch pins, fin-shaped parts are arranged on the sides, close to the linkage part, of the clutch claws, reset parts are arranged on the clutch claws, notches matched with the fin-shaped parts are formed in the periphery of the linkage part, and the reset parts are arranged on the reset parts. And the periphery of the clutch disc is provided with a concave edge and a convex edge which are matched with the clutch pin. The bidirectional automatic clutch device is reasonable in layout and compact in structure, realizes a bidirectional automatic clutch function in a limited space, and meets the requirements of a power system on bidirectional control of manual and electric opening and closing of a line.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely relates to a kind of clutch assembly and electric operating mechanism for electric operating mechanism. BACKGROUND

[0002] Clutch is a key component in circuit breaker operating mechanism, can realize flexible conversion between manual operation and electric operation.In electric operation, clutch device reengages connecting rod and reduction motor, so that the power of motor can be transmitted to the operating mechanism of circuit breaker, realizes the closing or opening of circuit breaker, and when manual operation is needed, clutch device can separate connecting rod and reduction motor, so that operator can directly push the operating mechanism of circuit breaker by manual mode, complete closing or opening process.

[0003] The clutch on existing circuit breaker is separated from motor mainly including two kinds when manual operation: 1, a residual current protection circuit breaker is disclosed in Chinese patent with publication number CN205595289U, clutch teeth of clutch wheel are engaged with clamping groove, clutch wheel and pinion gear are linked in clockwise direction, and freely cooperate in counterclockwise direction;2, a reclosing circuit breaker hand-electric operating mechanism is disclosed in Chinese patent with publication number CN206961772U, through the radial cooperation structure of first cooperation piece and second cooperation piece, one-way transmission of hand-operated rod hand-operated opening and closing is realized.

[0004] With the improvement of line opening and closing control requirement of power system, circuit breaker needs to realize electric opening and closing, and also requires manual opening and closing, but the clutch on existing circuit breaker operating mechanism cannot realize bidirectional automatic clutching function in limited space.

[0005] Therefore, it is urgent to design a clutch assembly and electric operating mechanism for electric operating mechanism. SUMMARY

[0006] To solve the above problems, the utility model provides a kind of clutch assembly and electric operating mechanism for electric operating mechanism.

[0007] In the first aspect of the utility model, provide a kind of clutch assembly for electric operating mechanism, including gear disc, operating shaft, linkage, clutch disc and two groups of clutch pawl;The outer periphery of the gear disc is equipped with external gear, the gear disc is equipped with accommodating cavity inside, the linkage is rotatably connected in the accommodating cavity, the clutch disc is arranged in the side of the linkage and is connected with the linkage, the operating shaft is placed on the linkage and the clutch disc, the clutch disc rotates with the operating shaft;The clutch pawl is respectively arranged in the outer periphery of the linkage, the first end of the clutch pawl is hinged on the gear disc, the second end of the clutch pawl is equipped with clutch pin, the side of the clutch pawl close to the linkage is equipped with fin portion, reset member for driving the clutch pawl to rotate in the direction of the linkage is equipped on the clutch pawl, the outer periphery of the linkage is equipped with notch matched with the fin portion, the outer periphery of the clutch disc is equipped with recessed edge and protruding edge matched with the clutch pin.

[0008] The utility model further sets up that the operating shaft sequentially includes first rotating part, first clamping portion, second rotating part and second clamping portion, manual rotating hole is formed on the first rotating part, the clutch disc is connected in the first clamping portion, the linkage is movably connected in the second rotating part, and the second clamping portion is used to connect external driving plate.

[0009] The utility model further sets up that the gear disc is connected with sealing plate, the sealing plate is located in the side of the clutch disc away from the linkage, and the sealing plate is movably connected in the first rotating part.

[0010] The utility model further sets up that the distance from the protruding edge to the operating shaft axis is greater than the distance from the recessed edge to the operating shaft axis, and a transition step is arranged between the protruding edge and the recessed edge;When the clutch pin abuts against the protruding edge, the fin portion is separated from the notch.

[0011] The utility model further sets up that the fin portion includes guide surface and locking surface, and both ends of the notch are equipped with linkage step;When the linkage step acts on the guide surface, the fin portion is separated from the notch, and when the linkage step acts on the locking surface, the fin portion abuts in the notch.

[0012] The utility model further sets up that the linkage is equipped with linkage pin, the clutch disc is equipped with slot, and the linkage pin is connected in the slot.

[0013] The utility model further sets up that the clutch pawl is connected on the gear disc by pin shaft, and the inner wall of the accommodating cavity is equipped with accommodation cavity, when the fin portion is separated from the notch, the clutch pawl is located in the accommodation cavity.

[0014] The utility model further sets up as the reset piece is torsional spring, the torsional spring is covered in the pin shaft, one end of torsional spring abuts at the inner wall of tooth disc, the other end of torsional spring abuts at the clutch claw.

[0015] The utility model further sets up as the reset piece is spring, one end of spring abuts at the inner wall of tooth disc, the other end of spring abuts at the second end of clutch claw.

[0016] In the second aspect of the utility model, a motor operating mechanism is provided, comprising the above-mentioned clutch assembly.

[0017] Compared with the prior art, the technical scheme has the following beneficial effects:

[0018] The working principle of the clutch assembly of the motor operating mechanism is as follows: (1) when the motor operating mechanism is electrically closed or opened, the motor drives the gear set to rotate the tooth disc in the forward or reverse direction, and the two sets of clutch claws also rotate. Due to the opposite arrangement of the clutch claws, during the electric closing or opening, the fin-shaped part of one set of clutch claws is clamped in the notch of the linkage member, the linkage member rotates, the clutch disc rotates with the linkage member, and the operating shaft rotates in the forward or reverse direction, thereby driving the drive plate on the operating shaft to perform the closing or opening action of the molded case circuit breaker; (2) when the handle is used to manually close or open the operating shaft, the clutch disc and the linkage member rotate. Due to the opposite arrangement of the clutch claws, during the manual closing or opening, the fin-shaped part of one set of clutch claws cannot abut against the notch of the linkage member, and the clutch pin on the other set of clutch claws is pushed outward by the raised edge, so that the fin-shaped part of the other set of clutch claws cannot be clamped in the notch of the linkage member. Therefore, during the manual closing or opening, the two sets of clutch claws cannot be locked with the linkage member, and the tooth disc cannot rotate with the operating shaft, thereby separating the manual operation from the motor linkage structure.

[0019] The clutch assembly of the motor operating mechanism has a clever design, reasonable layout, and compact structure among the components. The bidirectional automatic clutching function is realized in a limited space, which meets the demand of the power system for bidirectional control of manual and motor closing and opening of the circuit. By arranging two sets of opposite clutch claws inside the tooth disc, whether the manual or motor closing and opening is performed, the linkage cooperation between the clutch claws and the linkage member and the clutch disc can realize smooth and stable and reliable motor transmission and manual clutching actions. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the clutch assembly of the utility model embodiment.

[0021] Figure 2 The utility model discloses an explosion view of clutch assembly.

[0022] Figure 3 The utility model discloses a schematic view of clutch assembly after removing the sealing plate.

[0023] Figure 4 The utility model discloses a schematic view of clutch assembly after removing the sealing plate and the clutch disc.

[0024] Figure 5 The utility model discloses the internal structure perspective drawing of clutch assembly.

[0025] Figure 6 The utility model discloses the overhead view of clutch dog and linkage.

[0026] Figure 7 The utility model discloses the perspective drawing of clutch disc.

[0027] Figure 8 The utility model discloses the perspective drawing of linkage.

[0028] Figure 9 The utility model discloses the perspective drawing of operation shaft. Specific implementation

[0029] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will combine the drawings in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model.

[0030] Embodiment 1

[0031] Combine the drawings Figure 1 to the drawings Figure 9The utility model discloses a kind of clutch assemblies for electric operating mechanism, including gear disc 1, operating shaft 2, linkage 3, clutch disc 4 and two groups of clutch pawls, two groups of clutch pawls are respectively first clutch pawl 5 and second clutch pawl 6;The outer periphery of gear disc 1 is equipped with outer tooth 11, the gear disc 1 is equipped with containing cavity 12, the linkage 3 is rotatably connected in the containing cavity 12, the clutch disc 4 is arranged in one side of the linkage 3 and is connected with the linkage 3, the operating shaft 2 is placed on the linkage 3 and the clutch disc 4, the clutch disc 4 rotates with the operating shaft 2;First clutch pawl 5 and second clutch pawl 6 are respectively oppositely arranged in the outer periphery of linkage 3, the first end 51 of first clutch pawl 5 is hinged on gear disc 1, the second end 52 of first clutch pawl 5 is equipped with first clutch pin 53, one side of first clutch pawl 5 close to linkage 3 is equipped with first fin portion 54, first reset member 55 for driving first clutch pawl 5 to rotate to the direction of linkage 3 is equipped on first clutch pawl 5, the first end 61 of second clutch pawl 6 is hinged on gear disc 1, the second end 62 of second clutch pawl 6 is equipped with second clutch pin 63, one side of second clutch pawl 6 close to linkage 3 is equipped with second fin portion 64, second reset member 65 for driving second clutch pawl 6 to rotate to the direction of linkage 3 is equipped on second clutch pawl 6, the outer periphery of linkage 3 is equipped with notch 31 matched with first fin portion 54 and second fin portion 64, the outer periphery of clutch disc 4 is equipped with recessed edge 41 and convex edge 42 matched with first clutch pin 53 and second clutch pin 63.

[0032] The working principle of the clutch assembly for electric operating mechanism of the embodiment is as follows: (1) when the electric operating mechanism is electrically closed or opened, the motor drives the gear disc to rotate in a forward direction or a reverse direction through the driving gear set, and the two groups of clutch pawls also rotate, and because of the opposite arrangement structure of the clutch pawls, during the electric closing or opening, the fin portion of one group of clutch pawls is clamped in the notch of the linkage, and the linkage rotates, and the clutch disc rotates with the linkage, so that the operating shaft rotates in a forward direction or a reverse direction, and the driving plate on the operating shaft drives the molded case circuit breaker to perform the closing action or the opening action; (2) when the handle is used to manually close or open the operating shaft, the clutch disc and the linkage rotate, and because of the opposite arrangement structure of the clutch pawls, during the manual closing or opening, the fin portion of one group of clutch pawls cannot abut against the notch of the linkage due to the structure of the fin portion, and the clutch pin on the other group of clutch pawls is pushed outward by the convex edge, so that the fin portion of the other group of clutch pawls cannot be clamped in the notch of the linkage, and therefore, during the manual closing or opening, the two groups of clutch pawls cannot be locked with the linkage, so that the gear disc cannot rotate with the operating shaft, and the separation between the manual operation and the motor linkage structure is achieved.

[0033] In this embodiment, as shown in the appendix Figure 9 As shown, the operating shaft 2 sequentially includes a first rotating part 21, a first engaging part 22, a second rotating part 23, and a second engaging part 24. The first rotating part 21 has a manual rotating hole 25. The clutch disc 4 is connected to the first engaging part 22. The linkage 3 is movably connected to the second rotating part 23. The second engaging part 24 is used to connect an external drive plate. The drive plate is connected to the circuit breaker's opening and closing handle. The cross-sections of the first rotating part 21 and the second rotating part 23 are both circular, while the cross-sections of the first engaging part 22 and the second engaging part 24 are both non-circular, so that the components connected to the first engaging part 22 and the second engaging part 24 will rotate synchronously with the operating shaft 2.

[0034] In this embodiment, as shown in the appendix Figure 1 To be continued Figure 2 As shown, a sealing plate 7 is connected to the gear disk 1. The sealing plate 7 is located on the side of the clutch disk 4 away from the linkage 3. The sealing plate 7 is movably connected to the first rotating part 21. The sealing plate 7 can be connected to the gear disk 1 through a snap-fit ​​structure. The sealing plate 7 encapsulates the above-mentioned transmission components in the receiving cavity 12.

[0035] In this embodiment, as shown in the appendix Figure 8 As shown, the lower part of the linkage 3 is provided with a cylindrical body, and the linkage 3 is movably connected to the gear plate 1 through the cylindrical body.

[0036] In this embodiment, as shown in the appendix Figure 3 and attached Figure 7 As shown, the distance from the raised edge 42 to the axis of the operating shaft 2 is greater than the distance from the recessed edge 41 to the axis of the operating shaft 2. A transition step 43 is provided between the raised edge 42 and the recessed edge 41. When the first clutch pin 53 / second clutch pin 63 abuts against the raised edge 42, the first fin-shaped portion 54 / second fin-shaped portion 64 disengages from the notch 31.

[0037] In this embodiment, as shown in the appendix Figure 6 As shown, the first fin-shaped portion 54 includes a first guide surface 541 and a first locking surface 542, and the second fin-shaped portion 64 includes a second guide surface 641 and a second locking surface 642. Both ends of the notch 31 are provided with linkage steps 32. When the linkage steps 32 act on the first guide surface 541 / second guide surface 641, the first fin-shaped portion 54 / second fin-shaped portion 64 disengages from the notch 31. When the linkage steps 32 act on the first locking surface 542 / second locking surface 642, the first fin-shaped portion 54 / second fin-shaped portion 64 abuts against the notch 31.

[0038] In the embodiment, due to the opposite arrangement of the first fin-shaped part 54 and the second fin-shaped part 64, when the electric opening and closing operation is performed, one group of fin-shaped parts is always engaged with the notch 31 of the linkage 3 to form locking, and the other group of fin-shaped parts cannot be engaged with the notch 31 of the linkage 3 to form locking.

[0039] In the embodiment, as shown in the accompanying drawings, the linkage 3 is provided with a linkage pin 33, and the clutch disc 4 is provided with a slot 44, the linkage pin 33 is connected in the slot 44, and the size of the slot 44 is greater than the size of the linkage pin 33, so that there is a non-synchronous action stroke before the linkage 3 and the clutch disc 4 perform synchronous linkage action, and the stroke is mainly used for the clutch action trigger of the convex edge 42 of the clutch disc 4 to the first clutch pin 53 of the first clutch jaw 5 or the second clutch pin 63 of the second clutch jaw 6, that is, the linkage 3 acts first with respect to the clutch disc 4 and the clutch disc 4 acts first with respect to the linkage 3 have different effects. Figure 3 In the embodiment, as shown in the accompanying drawings, the linkage 3 is provided with a linkage pin 33, and the clutch disc 4 is provided with a slot 44, the linkage pin 33 is connected in the slot 44, and the size of the slot 44 is greater than the size of the linkage pin 33, so that there is a non-synchronous action stroke before the linkage 3 and the clutch disc 4 perform synchronous linkage action, and the stroke is mainly used for the clutch action trigger of the convex edge 42 of the clutch disc 4 to the first clutch pin 53 of the first clutch jaw 5 or the second clutch pin 63 of the second clutch jaw 6, that is, the linkage 3 acts first with respect to the clutch disc 4 and the clutch disc 4 acts first with respect to the linkage 3 have different effects.

[0040] Figure 2 In the embodiment, as shown in the accompanying drawings, the linkage 3 is provided with a linkage pin 33, and the clutch disc 4 is provided with a slot 44, the linkage pin 33 is connected in the slot 44, and the size of the slot 44 is greater than the size of the linkage pin 33, so that there is a non-synchronous action stroke before the linkage 3 and the clutch disc 4 perform synchronous linkage action, and the stroke is mainly used for the clutch action trigger of the convex edge 42 of the clutch disc 4 to the first clutch pin 53 of the first clutch jaw 5 or the second clutch pin 63 of the second clutch jaw 6, that is, the linkage 3 acts first with respect to the clutch disc 4 and the clutch disc 4 acts first with respect to the linkage 3 have different effects. Figure 3 In the embodiment, as shown in the accompanying drawings, the first clutch jaw 5 is connected to the gear disc 1 through a first pin shaft 56, the second clutch jaw 6 is connected to the gear disc 1 through a second pin shaft 66, and the inner wall of the accommodating cavity 12 is provided with a displacement cavity 13, when the first fin-shaped part 54 or the second fin-shaped part 64 is separated from the notch 31, the first clutch jaw 5 or the second clutch jaw 6 is located in the displacement cavity 13.

[0041] In the embodiment, as shown in the accompanying drawings, the first reset member 55 and the second reset member 65 are torsional springs, the torsional springs are sleeved on the first pin shaft 56 / second pin shaft 66, one end of the torsional spring abuts against the inner wall of the gear disc 1, and the other end of the torsional spring abuts against the first clutch jaw 5 / second clutch jaw 6. Figure 3 Figure 6 In the embodiment, as shown in the accompanying drawings, the first reset member 55 and the second reset member 65 are torsional springs, the torsional springs are sleeved on the first pin shaft 56 / second pin shaft 66, one end of the torsional spring abuts against the inner wall of the gear disc 1, and the other end of the torsional spring abuts against the first clutch jaw 5 / second clutch jaw 6.

[0042] In another embodiment, the first reset member 55 and the second reset member 65 are springs, one end of the spring abuts against the inner wall of the gear disc 1, and the other end of the spring abuts against the second end 52 of the first clutch jaw 5 / the second end 62 of the second clutch jaw 6. The reset member in the form of a spring is not shown in the drawings, but the connection mode can be determined according to the above description.

[0043] ​​In the embodiment, the notch 31 on the linkage 3 is provided with at least two; preferably, the notch 31 is provided with four, which are uniformly distributed on the outer periphery of the linkage 3; the convex edge 42 and the concave edge 41 are both provided with two, and the convex edge 42 and the concave edge 41 are alternately arranged.

[0044] In order to more clearly illustrate the working principle of the technical scheme, the accompanying drawings are used to Figure 3 to the accompanying Figure 8 It is assumed that the operating shaft 2 rotates forward (clockwise) to close, and the operating shaft 2 rotates reversely (counterclockwise) to open:

[0045] (1) When the clutch assembly of the electric operating mechanism is electrically closed, the external motor drives the gear set to rotate the toothed disc 1 forward, and the first clutch pawl 5 and the second clutch pawl 6 rotate forward with the toothed disc 1. The first locking surface 542 of the first clutch pawl 5 abuts against the linkage step 32 of the linkage 3, so that the first fin-shaped part 54 always abuts against the notch 31, and the first clutch pawl 5 drives the linkage 3 to rotate forward. The second guide surface 641 of the second clutch pawl 6 abuts against the linkage step 32, so that the second fin-shaped part 64 cannot always abut against the notch 31; the linkage 3 rotates the clutch disc 4 forward, thereby driving the operating shaft 2 to rotate forward, and driving the breaker to close by driving the driving plate on the operating shaft 2;

[0046] (2) When the clutch assembly of the electric operating mechanism is electrically opened, the external motor drives the gear set to rotate the toothed disc 1 reversely, and the first clutch pawl 5 and the second clutch pawl 6 rotate reversely with the toothed disc 1. The second locking surface 642 of the second clutch pawl 6 abuts against the linkage step 32 of the linkage 3, so that the second fin-shaped part 64 always abuts against the notch 31, and the second clutch pawl 6 drives the linkage 3 to rotate reversely. The first guide surface 541 of the first clutch pawl 5 abuts against the linkage step 32, so that the first fin-shaped part 54 cannot always abut against the notch 31; the linkage 3 reversely rotates the clutch disc 4, thereby driving the operating shaft 2 to reversely rotate, and driving the breaker to open by driving the driving plate on the operating shaft 2;

[0047] (3) When the clutch assembly of the electric operating mechanism is manually closed, the operation shaft 2 is rotated in the positive direction by the external operating handle, and the clutch disc 4 is rotated in the positive direction with the operation shaft 2, and the slotted groove 44 on the clutch disc 4 cooperates with the linkage pin 33 to drive the linkage member 3 to rotate in the positive direction, and the linkage step 32 of the linkage member 3 sweeps the first guide surface 541, so that the first fin-shaped part 54 cannot be always stopped in the gap 31; before the second locking surface 642 and the linkage step 32 form a locking cooperation, the raised edge 42 of the clutch disc 4 is stopped on the second clutch pin 63 of the second clutch jaw 6, so that the second end 62 of the second clutch jaw 6 moves to the accommodation cavity 13, so that the second fin-shaped part 64 cannot be always stopped in the gap 31; therefore, when the manual closing is performed, the first clutch jaw 5 and the second clutch jaw 6 are separated from the linkage member 3, and the gear disc 1 cannot rotate with the rotation of the linkage member 3, so that the transmission cooperation between the operation shaft 2 and the motor is disconnected.

[0048] (4) When the clutch assembly of the electric operating mechanism is manually opened, the operation shaft 2 is rotated in the reverse direction by the external operating handle, and the clutch disc 4 is rotated in the reverse direction with the operation shaft 2, and the slotted groove 44 on the clutch disc 4 cooperates with the linkage pin 33 to drive the linkage member 3 to rotate in the reverse direction, and the linkage step 32 of the linkage member 3 sweeps the second guide surface 641, so that the second fin-shaped part 64 cannot be always stopped in the gap 31; before the first locking surface 542 and the linkage step 32 form a locking cooperation, the raised edge 42 of the clutch disc 4 is stopped on the first clutch pin 53 of the first clutch jaw 5, so that the second end 52 of the first clutch jaw 5 moves to the accommodation cavity 13, so that the first fin-shaped part 54 cannot be always stopped in the gap 31; therefore, when the manual opening is performed, the first clutch jaw 5 and the second clutch jaw 6 are separated from the linkage member 3, and the gear disc 1 cannot rotate with the rotation of the linkage member 3, so that the transmission cooperation between the operation shaft 2 and the motor is disconnected.

[0049] The clutch assembly of the electric operating mechanism is designed ingeniously, the layout between various components is reasonable, the structure is compact, the function of bidirectional automatic clutching is realized in the limited space, the demand of the power system for bidirectional control of manual and electric opening and closing of the line is met, two sets of opposed clutch jaws are arranged in the gear disc, whether manual opening and closing operation or electric opening and closing operation can be based on the linkage cooperation between the clutch jaw, the linkage member and the clutch disc, and smooth and stable and reliable electric transmission action and manual clutching action are realized.

[0050] Embodiment 2

[0051] The technical scheme of the utility model is an electric operating mechanism, which comprises the clutch assembly in embodiment 1.

[0052] The various embodiments described in the specification can be presented with respect to a sequence of acts. The order in which the acts are described is not necessarily the order in which the acts were performed. Also, some acts can have been performed in an order other than that which is depicted.

[0053] It should also be noted that, in this specification, terms such as first and second, etc., are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0054] The above description of disclosed embodiments provides enough information to enable those skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clutch assembly for an electrically operated mechanism, characterized by, The clutch assembly comprises a gear disc, an operating shaft, a linkage, a clutch disc and two sets of clutch claws; the gear disc is provided with external teeth on its outer periphery, and is provided with a receiving cavity inside; the linkage is rotatably connected in the receiving cavity; the clutch disc is arranged on one side of the linkage and connected with the linkage; the operating shaft passes through the linkage and the clutch disc, and the clutch disc rotates with the operating shaft; the clutch claws are arranged in opposition on the outer periphery of the linkage; the first end of the clutch claw is hinged to the gear disc; the second end of the clutch claw is provided with a clutch pin; the side of the clutch claw close to the linkage is provided with a fin-shaped part; the clutch claw is provided with a reset member for driving the clutch claw to rotate towards the linkage; the outer periphery of the linkage is provided with a notch matched with the fin-shaped part; the outer periphery of the clutch disc is provided with a recessed edge and a protruding edge matched with the clutch pin.

2. A clutch assembly for an electrically operated mechanism according to claim 1, wherein, The operating shaft comprises a first rotating part, a first clamping part, a second rotating part and a second clamping part in sequence; the first rotating part is provided with a manual rotating hole; the clutch disc is connected to the first clamping part; the linkage is movably connected to the second rotating part; and the second clamping part is used for connecting an external driving plate.

3. A clutch assembly for an electrically operated mechanism according to claim 2, wherein, The gear disc is connected with a sealing plate; the sealing plate is located on the side of the clutch disc away from the linkage; and the sealing plate is movably connected to the first rotating part.

4. A clutch assembly for an electrically operated mechanism according to claim 1, wherein, The distance from the protruding edge to the center of the operating shaft is greater than the distance from the recessed edge to the center of the operating shaft; and a transition step is arranged between the protruding edge and the recessed edge; when the clutch pin abuts against the protruding edge, the fin-shaped part is separated from the notch.

5. A clutch assembly for an electrically operated mechanism according to claim 4, wherein, The fin-shaped part comprises a guide surface and a locking surface; and both ends of the notch are provided with linkage steps; when the linkage steps act on the guide surface, the fin-shaped part is separated from the notch; and when the linkage steps act on the locking surface, the fin-shaped part abuts in the notch.

6. A clutch assembly for an electrically operated mechanism according to claim 4, wherein, The linkage is provided with a linkage pin; and the clutch disc is provided with a slot; the linkage pin is connected in the slot.

7. A clutch assembly for an electrically operated mechanism according to claim 1, wherein, The clutch claw is connected to the gear disc through a pin shaft; and the inner wall of the receiving cavity is provided with a clearance cavity; when the fin-shaped part is separated from the notch, the clutch claw is located in the clearance cavity.

8. A clutch assembly for an electrically operated mechanism according to claim 7, wherein, The reset member is a torsion spring; the torsion spring is sleeved on the pin shaft; one end of the torsion spring abuts against the inner wall of the gear disc; and the other end of the torsion spring abuts against the clutch claw.

9. A clutch assembly for an electrically operated mechanism according to claim 7, wherein, The reset member is a spring; one end of the spring abuts against the inner wall of the gear disc; and the other end of the spring abuts against the second end of the clutch claw.

10. An electrically operated mechanism characterised in that, The clutch assembly comprises any one of claims 1 to 9.

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