Manual and electric operating mechanism

Abstract

The utility model relates to the technical field of reduction gearboxes, in particular to a manual and electric operating mechanism which comprises an output shaft, a transmission gear, an electric driving assembly, a manual driving assembly and a switching assembly, and a first connecting part is arranged on the circumferential surface of the output shaft in the axial direction of the output shaft; the transmission gear is provided with a first mounting hole, a second connecting part is arranged on the inner wall surface of the first mounting hole in the axial direction of the first mounting hole, the output shaft is sleeved with the first mounting hole, the second connecting part is in sliding connection with the first connecting part, and the transmission gear and the output shaft rotate synchronously; a first gear is mounted at the output end of the electric driving assembly; a second gear is mounted at the output end of the manual driving assembly; the switching assembly is used for driving the transmission gear to axially move along the output shaft so as to be meshed with the first gear or the second gear. According to the technical scheme, the transmission gear is pushed to slide through the switching assembly so as to be meshed with the first gear and the second gear, so that switching of manual operation and electric operation can be achieved, and compared with the prior art, the technical scheme is simpler in structure and lower in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of speed reducers, and more specifically, to a manual and electric operating mechanism. Background Art

[0002] When installing a motor speed reducer, the output shaft connecting mechanism drives the mechanism to operate. Sometimes, the angle position of the mechanism is incorrect and it is difficult to start, requiring adjustment. At this time, an operating mechanism is needed to adjust the mechanism back to the correct starting position. The current operating mechanisms are mainly divided into manual and electric types. The electric operating mechanism has the advantage of being more labor-saving, but since it needs to be driven by electricity, it cannot work in a power-off working environment. The manual operating mechanism has the advantage of strong environmental adaptability, but due to the need to be driven by manpower, there is a problem of low driving efficiency.

[0003] Chinese Patent Application with Publication No. CN102646552 A discloses a circuit breaker electric and manual integrated clutch device, which includes a motor and a gear speed reducer. A multi-stage gear reduction assembly and an output shaft are arranged in the gear speed reducer. The gear reduction assembly is in transmission connection with both the rotor shaft of the motor and the output shaft. The output shaft is connected to the circuit breaker opening and closing drive shaft. A first one-way clutch gear and a second one-way clutch gear meshing with the gears of the gear reduction assembly are installed on the output shaft. A manual shaft is rotatably installed on one side of the output shaft in the gear speed reducer. The manual shaft is connected to a worm, and the worm meshes with the second one-way clutch gear.

[0004] In the disclosed technical solution, during the manual operation, the rotation of the output shaft is realized by using the connection between the worm and the second one-way clutch gear; during the electric operation, the rotation of the output shaft is realized by using the connection between the gears of the gear reduction assembly and the first one-way clutch gear. Since in the disclosed technical solution, a second one-way clutch gear and a first one-way clutch gear need to be installed on the output shaft, there are problems of complex structure and high cost. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the problems of complex structure and high cost of the existing electric and manual integrated clutch device, and provide a manual and electric operating mechanism, so that the manual and electric operating mechanism has a simpler structure and lower cost.

[0006] The technical solution adopted by the present utility model is: a manual and electric operating mechanism, including a box body, an output shaft, a transmission gear, an electric drive assembly, a manual drive assembly and a switching assembly. The box body has a receiving cavity; the output shaft is rotatably installed on the box body, at least one end of the output shaft extends out of the box body, and a first connecting portion is arranged on the circumferential surface of the output shaft along its axial direction; the transmission gear has a first mounting hole, and a second connecting portion is arranged on the inner wall surface of the first mounting hole along its axial direction. The first mounting hole is sleeved on the output shaft and is located in the receiving cavity. The second connecting portion is slidably connected with the first connecting portion, and the transmission gear rotates synchronously with the output shaft; the output end of the electric drive assembly is installed with a first gear for meshing with the transmission gear; the output end of the manual drive assembly is installed with a second gear for meshing with the transmission gear; the switching assembly includes an operating handle and an actuating portion. The actuating portion is rotatably installed on the output shaft. The actuating portion abuts against the transmission gear. One end of the operating handle is connected to the actuating portion, and the other end of the operating arm extends out of the box body; the operating handle pushes the actuating portion to move axially along the output shaft so that the transmission gear meshes with the first gear or the second gear.

[0007] In this technical solution, during use, the output shaft is connected to the mechanism that needs to be adjusted. When manual operation is required, the switching assembly can push the transmission gear to move along the output shaft towards the second gear, so that after the transmission gear disengages from the current first gear, it meshes with the second gear again. When the transmission gear meshes with the second gear, the manual drive assembly is operated to drive the transmission gear meshing with the second gear to rotate, and the transmission gear drives the output shaft to rotate, and the mechanism is adjusted during the rotation of the output shaft. When electric operation is required, the switching assembly can push the transmission gear to move along the output shaft towards the first gear, so that after the transmission gear disengages from the current second gear, it meshes with the first gear again. When the transmission gear meshes with the first gear, the electric drive assembly is used to drive the transmission gear meshing with the first gear to rotate, and the transmission gear drives the output shaft to rotate, and the mechanism is adjusted during the rotation of the output shaft. Since in this technical solution, the transmission gear is pushed by the switching assembly to slide and mesh with the first gear and the second gear respectively, the switching between manual and electric operations can be realized. Compared with the prior art, the structure of this technical solution is simpler and the cost is lower.

[0008] Furthermore, the switching component includes an execution part, an operating handle, and an elastic element. The execution part is slidably mounted on the output shaft, and the execution part abuts against the transmission gear; one end of the operating handle is connected to the execution part; one end of the elastic element is connected to the side surface of the transmission gear to apply a force to the transmission gear in the direction from the elastic element to the transmission gear; the operating handle pushes the execution part to slide axially along the output shaft so that the transmission gear meshes with the first gear or the second gear and compresses the elastic element.

[0009] In this technical solution, the operating handle drives the execution part to move, the execution part pushes the transmission gear to move, and during the movement of the transmission gear, it can disengage from the meshing state with the second gear and then mesh with the first gear. During the movement of the transmission gear, the transmission gear also compresses the elastic element. The operating handle causes the execution part to lose the acting force on the transmission gear, and the elastic element reversely pushes the transmission gear towards the second gear to restore its deformation, so that after the transmission gear disengages from the meshing state with the first gear, the transmission gear meshes with the second gear again.

[0010] Furthermore, the execution part includes a first shaft sleeve, a second shaft sleeve, and a connecting shaft sleeve. The first shaft sleeve is rotatably mounted on the output shaft, and a first arc-shaped wedge surface extending towards one end of the first shaft sleeve is formed on the peripheral wall surface of the first shaft sleeve. The first shaft sleeve is connected to the operating handle, and the first arc-shaped wedge surface forms a first abutting part at the end of the first shaft sleeve; the second shaft sleeve has a second mounting hole, a first bearing is installed in the second mounting hole, the first bearing is slidably mounted on the output shaft, and a second arc-shaped wedge surface extending towards one end of the second shaft sleeve is formed on the peripheral wall surface of the second shaft sleeve. The second arc-shaped wedge surface is adapted to the first arc-shaped wedge surface, and the second arc-shaped wedge surface forms a second abutting part at the end of the second shaft sleeve for abutting against the first abutting part. The second shaft sleeve is connected with a slider to limit the rotation of the second shaft sleeve; the connecting shaft sleeve is slidably mounted on the output shaft, one end of the connecting shaft sleeve abuts against the inner ring of the first bearing, and the other end of the connecting shaft sleeve abuts against the transmission gear.

[0011] Furthermore, the elastic element is a spring, the elastic element is sleeved on the output shaft, and one end of the elastic element abuts against the side surface of the transmission gear.

[0012] Furthermore, the first connecting part is a key, and the second connecting part is a keyway adapted to the key, or the first connecting part is a keyway, and the second connecting part is a key adapted to the keyway.

[0013] Furthermore, the transmission gear, the first gear, and the second gear are spur gears.

[0014] Further, the manual and electric operating mechanism further includes a box body, the box body has an accommodating cavity, the output shaft is rotatably installed on the box body through a second bearing, and the other end of the elastic element abuts against the inner ring of the second bearing close to the elastic element.

[0015] Further, the manual driving assembly includes a handle and a mounting shaft, the mounting shaft is rotatably installed on the box body, the second gear is installed on the mounting shaft and is located in the accommodating cavity, one end of the handle is connected to one end of the mounting shaft, and the other end of the handle is located outside the accommodating cavity.

[0016] Further, the mounting shaft is rotatably installed on the box body through a third bearing.

[0017] Further, the electric driving assembly includes a motor, the motor is installed on the box body and is located outside the accommodating cavity, and the first gear is installed on the output end of the motor and is located in the accommodating cavity.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: in the present utility model, the transmission gear is pushed by the switching assembly to slide and mesh with the first gear and the second gear respectively, so that the switching between manual and electric operations can be realized. Compared with the prior art, the structure of this technical solution is simpler and the cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the electric operating mechanism of the present utility model with a part of the box body removed;

[0020] Figure 2 is a schematic structural diagram of the first shaft sleeve in the electric operating mechanism of the present utility model;

[0021] Figure 3 is a schematic structural diagram of the second shaft sleeve in the electric operating mechanism of the present utility model.

[0022] In the drawings: 1. Output shaft; 2. Transmission gear; 3. Electric driving assembly; 31. First gear; 32. Motor; 4. Manual driving assembly; 41. Second gear; 42. Handle; 43. Mounting shaft; 5. Switching assembly; 51. Execution part; 52. Operating handle; 53. Elastic element; 511. First shaft sleeve; 512. First arc-shaped wedge surface; 513. First abutting part; 514. Second shaft sleeve; 515. Second arc-shaped wedge surface; 516. Second abutting part; 517. Slide block; 6. Box body; 61. Accommodating cavity; 7. Second bearing; 518. Connecting shaft sleeve; 62. Chute; 8. First bearing. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes the present utility model in conjunction with specific embodiments. Among them, the drawings are only for illustrative purposes, showing only schematic diagrams rather than physical drawings, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present utility model, some components in the drawings will be omitted, enlarged or reduced, which does not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0024] In the drawings of the embodiments of the present utility model, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and should not be construed as a limitation to this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] Embodiment 1

[0026] As Figure 1 shown, a manual and electric operating mechanism includes an output shaft 1, a transmission gear 2, an electric drive assembly 3, a manual drive assembly 4, and a switching assembly 5. A first connection portion is arranged on the circumferential surface of the output shaft 1 along its axial direction; the transmission gear 2 has a first mounting hole, and a second connection portion is arranged on the inner wall surface of the first mounting hole along its axial direction. The first mounting hole is sleeved on the output shaft 1, and the second connection portion is slidably connected to the first connection portion, and the transmission gear 2 rotates synchronously with the output shaft 1; a first gear 31 for meshing with the transmission gear 2 is installed at the output end of the electric drive assembly 3; a second gear 41 for meshing with the transmission gear 2 is installed at the output end of the manual drive assembly 4; the switching assembly 5 is used to drive the transmission gear 2 to move axially along the output shaft 1 to mesh with the first gear 31 or the second gear 41.

[0027] In this embodiment, during use, the output shaft 1 is connected to the mechanism that needs to be adjusted. When manual operation is required, the switching component 5 can be used to push the transmission gear 2 along the output shaft 1 in the direction of the second gear 41, so that after the transmission gear 2 disengages from the current first gear 31, it then engages with the second gear 41. After the transmission gear 2 engages with the second gear 41, the manual driving component 4 is operated to drive the transmission gear 2 engaged with the second gear 41 to rotate, and the transmission gear 2 drives the output shaft 1 to rotate. During the rotation of the output shaft 1, it can be used to reset the mechanism. When electric operation is required, the switching component 5 can be used to push the transmission gear 2 along the output shaft 1 in the direction of the first gear 31, so that after the transmission gear 2 disengages from the current second gear 41, it then engages with the first gear 31. After the transmission gear 2 engages with the first gear 31, the electric driving component 3 is used to drive the transmission gear 2 engaged with the first gear 31 to rotate, and the transmission gear 2 drives the output shaft 1 to rotate. During the rotation of the output shaft 1, the mechanism is adjusted to reset.

[0028] In this embodiment, the switching component 5 is used to push the transmission gear 2 to slide and engage with the first gear 31 and the second gear 41 respectively, so that the switching between manual and electric operations can be realized. Compared with the prior art, the structure of this technical solution is simpler and the cost is lower. Compared with the prior art, another manual and electric operation mechanism is provided.

[0029] It should be noted that during the actual application product stage, the manual and electric operation mechanism further includes a box body 6. The box body 6 has a receiving cavity 61. The output shaft 1 is rotatably installed on the box body 6, and one end of the output shaft 1 extends out of the receiving cavity 61. The output shaft 1 extending out of the receiving cavity 61 is connected to the mechanism that needs to be adjusted. The transmission gear 2 is located in the receiving cavity 61. Since the first connecting portion and the second connecting portion are slidably connected, and the transmission gear 2 rotates synchronously with the output shaft 1, this enables the transmission gear 2 to move along the output shaft 1 under the push of the switching component 5. During the rotation of the transmission gear 2, it can also drive the output shaft 1 to rotate together. The electric driving component 3 and the manual driving component 4 can be installed on the box body 6. The first gear 31 of the electric driving component 3 is located in the receiving cavity 61, and the second gear 41 of the manual driving component 4 is located in the receiving cavity 61.

[0030] Such as Figure 1As shown, the switching component 5 includes an actuator 51, an operating handle 52, and an elastic element 53. The actuator 51 is slidably mounted on the output shaft 1, and the actuator 51 abuts against the transmission gear 2. One end of the operating handle 52 is connected to the actuator 51. One end of the elastic element 53 is connected to the side surface of the transmission gear 2 to apply a force to the transmission gear 2 in the direction from the elastic element 53 to the transmission gear 2. The operating handle 52 pushes the actuator 51 to slide axially along the output shaft 1 so that the transmission gear 2 meshes with the first gear 31 or the second gear 41 and compresses the elastic element 53.

[0031] In this embodiment, the operating handle 52 drives the actuator 51 to move, and the actuator 51 pushes the transmission gear 2 to move. During the movement of the transmission gear 2, it can disengage from the second gear 41 and then mesh with the first gear 31. During the movement of the transmission gear 2, the transmission gear 2 also compresses the elastic element 53. When the operating handle 52 is operated so that the actuator 51 loses the acting force on the transmission gear 2, the elastic element 53 reversely pushes the transmission gear 2 in the direction of the second gear 41 to restore its deformation, so that after the transmission gear 2 disengages from the first gear 31, the transmission gear 2 meshes with the second gear 41 again. It should be noted that in the actual application product stage, the other end of the elastic element 53 can abut against the inner wall surface of the box body 6.

[0032] As Figures 1 to 3 shown, the actuator 51 includes a first bushing 511, a second bushing 514, and a connecting bushing 518. The first bushing 511 is rotatably mounted on the output shaft 1. A first arc-shaped wedge surface 512 extending towards one end of the first bushing 511 is formed on the peripheral wall surface of the first bushing 511. The first bushing 511 is connected to the operating handle 52, and the first arc-shaped wedge surface 512 forms a first abutting portion 513 at the end of the first bushing 511. The second bushing 514 has a second mounting hole, and a first bearing 8 is installed in the second mounting hole. The first bearing 8 is slidably mounted on the output shaft 1. A second arc-shaped wedge surface 515 extending towards one end of the second bushing 514 is formed on the peripheral wall surface of the second bushing 514. The second arc-shaped wedge surface 515 is adapted to the first arc-shaped wedge surface 512, and the second arc-shaped wedge surface 515 forms a second abutting portion 516 for abutting against the first abutting portion 513 at the end of the second bushing 514. The second bushing 514 is connected with a slider 517 to limit the rotation of the second bushing 514. The connecting bushing 518 is slidably mounted on the output shaft 1. One end of the connecting bushing 518 abuts against the inner ring of the first bearing 8, and the other end of the connecting bushing 518 abuts against the transmission gear 2.

[0033] In this embodiment, rotate the operating handle 52. The operating handle 52 drives the first bushing 511 to rotate. During the rotation of the first bushing 511, since the slider 517 connected to the second bushing 514 is slidably connected to the box body 6. Specifically, the slider 517 is slidably connected to the chute 62 formed on the side wall of the box body 6. Figure 1Part of the structure of the box body 6 is removed. The sliding groove 62 is in a groove structure. One end of the slider 517 is located in the sliding groove 62 and can only move along the length direction of the sliding groove 62. When the first bushing 511 rotates driven by the operating handle 52, the second bushing 514 will only move along the axial direction of the output shaft 1 and will not rotate relative to the output shaft 1. The slider 517 restricts the rotational movement of the second bushing 514. Therefore, during the rotation of the first arc-shaped wedge surface 512, the first arc-shaped wedge surface 512 will push the second arc-shaped wedge surface 515 to drive the second bushing 514 to move along the direction of the output shaft 1. During the movement of the second bushing 514, the connecting bushing 518 is driven to move to push the transmission gear 2 to move. Thus, after the transmission gear 2 is disengaged from the second gear 41, it can be engaged with the first gear 31. During the movement of the transmission gear 2, the elastic element 53 is compressed. When the transmission gear 2 is engaged with the second gear 41, since the end face of the first bushing 511 away from the second bushing 514 contacts the wall surface of the box body 6, and the first abutting portion 513 abuts against the second abutting portion 516, it can prevent the transmission gear 2 from moving along the output shaft 1 towards the direction of the second gear 41 under the action of the compressed elastic element 53. When manual operation is required, when the operating handle 52 is operated in the reverse direction, the first abutting portion 513 loses the abutting force on the second abutting portion 516, and the elastic element 53 pushes the transmission gear 2 to move along the output shaft 1 towards the direction of the second gear 41 to restore its deformation. After the transmission gear 2 is disengaged from the first gear 31, it is engaged with the second gear 41 again. It should be noted that the first abutting portion 513 is formed at the position where the axial width of the first bushing 511 is the largest, and the second abutting portion 516 is formed at the position where the axial width of the second bushing 514 is the largest. In this way, during the rotation of the first bushing 511, when the first arc-shaped wedge surface 512 slides along the second arc-shaped wedge surface 515, it can push the second bushing 514 to move along the output shaft 1, and finally the first abutting portion 513 abuts against the second abutting portion 516. Combined with the contact between the end face of the first bushing 511 away from the second bushing 514 and the inner wall surface of the box body 6, the locking between the first abutting portion 513 and the second abutting portion 516 is realized. When the first gear 31 or the second gear 41 drives the transmission gear 2 to rotate, since one end of the connecting bushing 518 contacts one side surface of the transmission gear 2, and the other end of the connecting bushing 518 abuts against the inner ring of the first bearing 8, even under the action of friction, the transmission gear 2 drives the connecting bushing 518 to rotate. However, since the second bushing 514 is installed on the output shaft 1 through the first bearing 8, the connecting bushing 518 cannot drive the second bushing 514 to rotate. The connecting bushing 518 abuts against the end face of the first mounting hole of the transmission gear 2. The inner ring of the first bearing 8 is slidably installed on the output shaft 1. The outer ring of the first bearing 8 and the second bushing 514 can be connected by gluing or other methods to keep the two in a relatively static state.During the process of the first bushing 511 pushing the second bushing 514 to move, the second bushing 514 moves synchronously with the first bearing 8 installed in its second mounting hole.

[0034] Among them, the elastic element 53 is a spring. The elastic element 53 is sleeved on the output shaft 1, and one end of the elastic element 53 abuts against the side surface of the transmission gear 2.

[0035] In addition, the first connecting portion is a key, and the second connecting portion is a keyway adapted to the key, or the first connecting portion is a keyway, and the second connecting portion is a key adapted to the keyway. In this embodiment, the setting and cooperation of the key and the keyway should enable the transmission gear 2 to move along the output shaft 1 under the action of the switching assembly 5. Specifically, it can slide along the connection portion of the first connecting portion and the second connecting portion, and when the transmission gear 2 meshes with the first gear 31 or the second gear 41, the rotation of the first gear 31 or the second gear 41 can drive the transmission gear 2 to rotate. It should be noted that the key can be a spline, and the corresponding keyway can be a spline groove. Other keys and keyways that can achieve the above functions are also within the protection scope of this patent.

[0036] Among them, the transmission gear 2, the first gear 31, and the second gear 41 are spur gears. By adopting this, it is convenient to achieve the meshing of the transmission gear 2 with the first gear 31 or the second gear 41 under the action of the switching assembly 5.

[0037] Embodiment 2

[0038] This Embodiment 2 is similar to Embodiment 1. The difference is that the manual and electric operating mechanism further includes a box body 6. The box body 6 has an accommodating cavity 61. The output shaft 1 is rotatably installed on the box body 6 through a second bearing 7. The other end of the elastic element 53 abuts against the inner ring of the second bearing 7 close to the elastic element 53. In this embodiment, since the other end of the elastic element 53 abuts against the inner ring of the second bearing 7, during the rotation of the transmission gear 2, the problem of wear of the elastic element 53 at this end can be avoided.

[0039] Among them, the electric drive assembly 3 includes a motor 32. The motor 32 is installed on the box body 6 and is located outside the accommodating cavity 61. The first gear 31 is installed on the output end of the motor 32 and is located in the accommodating cavity 61. In this embodiment, the motor 32 drives the first gear 31 to rotate, and the first gear 31 drives the transmission gear 2 meshing with it to rotate, thereby driving the output shaft 1 to rotate. The output end of the motor 32 is parallel to the output shaft 1. It should be noted that the first gear 31 can also be connected with a speed reducer. After the speed reduction by the speed reducer, it meshes with the transmission gear 2 through a gear.

[0040] Embodiment 3

[0041] Embodiment 3 is similar to Embodiment 1, except that the manual driving component 4 includes a handle 42 and a mounting shaft 43. The mounting shaft 43 is rotatably mounted on the box body 6. The second gear 41 is mounted on the mounting shaft 43 and is located in the accommodating cavity 61. One end of the handle 42 is connected to one end of the mounting shaft 43, and the other end of the handle 42 is located outside the accommodating cavity 61. In this embodiment, manually rotating the handle 42 can drive the mounting shaft 43 to rotate. The mounting shaft 43 drives the second gear 41 to rotate, and the second gear 41 drives the transmission gear 2 meshing with it to rotate, thereby driving the output shaft 1 to rotate.

[0042] Wherein, the mounting shaft 43 is rotatably mounted on the box body 6 through a third bearing. Since the mounting shaft 43 is mounted on the box body 6 through a third bearing, the force for manually rotating the handle 42 can be reduced. It should be noted that the mounting shaft 43 is parallel to the output shaft 1.

[0043] In the specific content of the above specific implementation manner, each technical feature can be combined arbitrarily without contradiction. For the sake of concise description, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features does not exist in contradiction, it should be considered as the scope recorded in this specification.

[0044] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A hand-operated electric operating mechanism, characterized in that: include: An output shaft (1), wherein a first connecting portion is arranged on a circumferential surface of the output shaft (1) along its axial direction; A transmission gear (2), the transmission gear (2) having a first mounting hole, a second connecting portion being arranged on an inner wall surface of the first mounting hole along its axial direction, the first mounting hole being sleeved on the output shaft (1), the second connecting portion being slidably connected to the first connecting portion, and the transmission gear (2) and the output shaft (1) rotating synchronously; An electric drive assembly (3), wherein an output end of the electric drive assembly (3) is provided with a first gear (31) for meshing with the transmission gear (2); A manual drive assembly (4), wherein an output end of the manual drive assembly (4) is provided with a second gear (41) for meshing with the transmission gear (2); and A switching assembly (5) is used to drive the transmission gear (2) to move axially along the output shaft (1) to mesh with the first gear (31) or the second gear (41).

2. The hand-operated electric operating mechanism according to claim 1, characterized in that: The switching component (5) comprises: An actuator (51), the actuator (51) being slidably mounted on the output shaft (1), the actuator (51) being in contact with the transmission gear (2); an operating handle (52), one end of the operating handle (52) being connected to the execution part (51); and An elastic element (53), one end of the elastic element (53) being connected to the side surface of the transmission gear (2) so as to apply a force to the transmission gear (2) in a direction from the elastic element (53) to the transmission gear (2); The operating handle (52) pushes the actuator (51) to slide axially along the output shaft (1) so that the transmission gear (2) meshes with the first gear (31) or the second gear (41) and compresses the elastic element (53).

3. The hand-operated electric operating mechanism according to claim 2, characterized in that: The execution unit (51) comprises: a first sleeve (511), the first sleeve (511) being rotatably mounted on the output shaft (1), a first arcuate wedge surface (512) extending toward one end of the first sleeve (511) being formed on a peripheral wall surface thereof, the first sleeve (511) being connected to the operating handle (52), the first arcuate wedge surface (512) forming a first abutting portion (513) at the end of the first sleeve (511); a second sleeve (514), the second sleeve (514) having a second mounting hole, a first bearing (8) being mounted in the second mounting hole, the first bearing being slidably mounted on the output shaft (1), a second arcuate wedge surface (515) extending toward one end of the second sleeve (514) being formed on a peripheral wall surface thereof, the second arcuate wedge surface (515) being adapted to the first arcuate wedge surface (512), a second abutting portion (516) being formed at an end of the second sleeve (514) for abutting against the first abutting portion (513), the second sleeve (514) being connected to a slider (517) for limiting the rotation of the second sleeve (514); and A connecting sleeve (518), wherein the connecting sleeve (518) is slidably mounted on the output shaft (1), one end of the connecting sleeve (518) abuts against the inner ring of the first bearing (8), and the other end of the connecting sleeve (518) abuts against the transmission gear (2).

4. The hand-operated electric operating mechanism according to claim 2, characterized in that: The elastic element (53) is a spring, and the elastic element (53) is sleeved on the output shaft (1). One end of the elastic element (53) abuts against the side surface of the transmission gear (2).

5. The hand-operated electric operating mechanism according to claim 1, characterized in that: The first connecting portion is a key, and the second connecting portion is a keyway matched with the key, or the first connecting portion is a keyway, and the second connecting portion is a key matched with the keyway.

6. The hand-operated electric operating mechanism according to claim 1, characterized in that: The transmission gear (2), the first gear (31) and the second gear (41) are spur gears.

7. The hand-operated electric operating mechanism according to any one of claims 2 to 4, characterized in that: The hand-operated electric operating mechanism further comprises a housing (6), the housing (6) having a containing cavity (61), the output shaft (1) being rotatably mounted on the housing (6) via a second bearing (7), and the other end of the elastic element (53) being in contact with an inner ring of the second bearing (7) close to the elastic element (53).

8. The hand-operated electric operating mechanism according to claim 7, characterized in that: The manual drive assembly (4) comprises a handle (42) and a mounting shaft (43); the mounting shaft (43) is rotatably mounted on the housing (6); the second gear (41) is mounted on the mounting shaft (43) and is located in the accommodating cavity (61); one end of the handle (42) is connected to one end of the mounting shaft (43); and the other end of the handle (42) is located outside the accommodating cavity (61).

9. The hand-operated electric operating mechanism according to claim 8, characterized in that: The mounting shaft (43) is rotatably mounted on the housing (6) via a third bearing.

10. The hand-operated electric operating mechanism according to claim 7, characterized in that: The electric drive assembly (3) comprises a motor (32), wherein the motor (32) is mounted on the housing (6) and is located outside the accommodating chamber (61), and the first gear (31) is mounted on the output end of the motor (32) and is located in the accommodating chamber (61).

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