CN111941337A - Remote wrench with clutch - Google Patents

Abstract

The invention discloses a remote wrench with a clutch, which belongs to the field of hand-held tools and reduces the damage to the internal parts of the device caused by the sudden stop of a motor during operation. The remote wrench with a clutch of the invention comprises a casing and a A transmission cavity in the casing, an insulating rod is connected to the lower end of the casing, a first rotating shaft is arranged in the transmission cavity, one end of the first rotating shaft extends out of the casing and can be detachably connected to the sleeve head, the transmission cavity is There is a transmission assembly that provides power for the first rotating shaft. The transmission assembly includes a motor and a clutch assembly. The clutch assembly includes a first clutch disc and a second clutch disc. The motor rotates forward and tightens the screw reversely. Loosen the screw. After the screw is tightened, the first clutch disc and the second clutch disc are disengaged from the meshing state. When the screw is loosened, the first clutch disc and the second clutch disc are kept in the meshing state. The embodiments of the present invention can be applied to electric screwdrivers, electric drills and other products.

Description

Remote wrench with clutch

【Technical field】

The present invention relates to the field of hand-held tools, in particular to a remote wrench with a clutch.

【Background technique】

With the rapid development of society and economy, the demand for electricity has increased sharply, and higher requirements have been placed on the reliability of power supply. The speed of substation capacity expansion generally lags behind the load growth rate, resulting in a rapid increase in the load rate of many substations. It is possible to avoid outage maintenance of substation equipment, and uninterrupted maintenance will become a normal maintenance method in the future. However, in actual work, many important or emergency defects are not difficult to eliminate, but due to the narrow location of the defect, it is necessary to ensure a safe distance. Under the circumstance, it is difficult for the operator to enter and carry out the live maintenance work, so the operation is carried out through a wrench that can be remotely controlled. Generally, a motor and a transmission device are installed inside the wrench. During the operation, after the screw is tightened, the motor cannot continue to rotate and drive. The drive of the unit can also stop suddenly, which can cause damage to these components.

[Content of the invention]

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a remote wrench with a clutch to reduce the damage to the internal parts of the device caused by the sudden stop of the motor during the operation.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A remote wrench with a clutch includes a casing and a transmission cavity located in the casing, an insulating rod is connected to the lower end of the casing, and a first rotating shaft transversely arranged relative to the insulating rod is arranged in the transmission cavity, and the One end of the first rotating shaft protrudes from the casing and can be detachably connected to the sleeve head. The transmission cavity is provided with a transmission assembly that provides power for the first rotating shaft. The transmission assembly includes a motor and a clutch assembly. The assembly includes a first clutch disc and a second clutch disc engaged with the first clutch disc. The motor rotates forward to tighten the screw and reverse the screw to loosen the screw. After the screw is tightened, the first clutch disc and the second clutch disc are tightened. The two clutch discs are disengaged from the meshing state, and the first clutch disc and the second clutch disc are kept in the meshing state when the screw is loosened.

The invention provides a remote wrench, which can hold the insulating rod and control the rotation of the sleeve head on the casing to tighten or loosen the screws and bolts. When the screws are tightened, the power transmitted by the motor can make the first clutch The disc and the second clutch disc are disengaged, and there is relative rotation between the first clutch disc and the second clutch disc, which can avoid damage to the motor and transmission components due to the sudden stop of the motor after the screw is tightened, prolonging the time in the tool. When the screw is loosened, the first clutch disc and the second clutch disc can remain engaged, so that the screw can be loosened and removed smoothly.

Further, the transmission assembly further includes a second rotating shaft, the second rotating shaft is connected with the first rotating shaft through a chain drive, the motor is connected with a third rotating shaft, and the third rotating shaft is connected with the second rotating shaft. Rotary shaft meshing transmission. The transmission part between the first rotating shaft and the second rotating shaft is a chain, and the motor is not directly connected to the first rotating shaft for driving, so that the thickness of the end of the casing is small, and it can work in a narrow space; the chain is used as the transmission part. , the chain and the first rotating shaft and the second rotating shaft will not slip. Compared with the solution using bevel gear transmission in the prior art, the weight of the chain is lighter, so that the load on the human body is reduced during operation. Lower, the staff can operate more stably and continuously; when the third rotating shaft rotates, it can drive the second rotating shaft and the first rotating shaft to rotate.

Further, the second rotating shaft includes a first shaft body and a second shaft body, the first clutch disc is arranged on the first shaft body, and the second clutch disc is arranged on the second shaft body , the side wall of the transmission cavity is provided with a first shaft sleeve and a second shaft sleeve, the first shaft body is slidably fitted with the first shaft sleeve, and the second shaft body is rotatably connected with the second shaft sleeve , the second clutch disc meshes with the third shaft for transmission. When the first clutch disc is disengaged from the second clutch disc, the positions of the second clutch disc and the second shaft body remain unchanged, and a stable meshing transmission with the third shaft can be maintained. The first clutch disc and the first shaft body A positional change occurs in the axial direction, so that the first clutch disk and the second clutch disk can be disengaged.

Further, the first clutch disc is provided with a plurality of first clutch blocks in the circumferential direction, the second clutch disc is provided with a second clutch block corresponding to the first clutch block, and the second clutch block is provided with A groove matched with the first clutch block, one side wall of the groove in the radial direction is an inclined surface. A stable meshing relationship is maintained between the first clutch disc and the second clutch disc through the cooperation between a plurality of first clutch blocks and a plurality of second clutch blocks, maintaining the relationship between the first rotating shaft, the second rotating shaft and the third rotating shaft. Stable transmission, only one side wall in the groove is an inclined surface, which can ensure that the first clutch disc and the second clutch disc can be disengaged only during the forward rotation of the motor.

Further, a first elastic member is provided between the first shaft body and the first shaft sleeve. The first elastic member has elastic force, which can provide elastic restoring force for the first shaft body. After the discs are disengaged, keep pushing the first shaft body, so that the first clutch disc and the second clutch disc are re-engaged.

Further, one end of the first rotating shaft protruding from the casing is connected to a connecting shaft that is plug-fitted with the sleeve head, and the cross-section of the connecting shaft is polygonal. The first rotating shaft can drive the connecting shaft to rotate at the same time, and the polygonal connecting shaft can drive the sleeve head to rotate synchronously, and there is no relative movement in the radial direction between the two.

Further, the connecting shaft is provided with a plurality of spherical locking blocks, and the sleeve head is provided with spherical locking grooves matched with the spherical locking blocks. Inserting the clamping block into the clamping slot can complete the matching connection between the connecting shaft and the sleeve head, so as to maintain the connection state during the operation, so that the sleeve head can be prevented from falling off from the connecting shaft.

Further, an unlocking block is slidably installed in the first rotating shaft and the connecting shaft, the unlocking block protrudes from the casing from the other end of the first rotating shaft, and the unlocking block is provided with the spherical card. Spherical groove for block fit. Pressing the unlocking block can make the unlocking block slide relative to the first rotating shaft. When the unlocking block slides to the position of the blocking block, the blocking block can be stuck into the groove, and the sleeve head can be removed from the connecting shaft at this time. Or the sleeve head is installed on the sleeve head, and the unlocking block realizes the detachable connection of the sleeve head on the connecting shaft, which is convenient for disassembly and assembly, so as to deal with screws of different sizes.

Further, a second elastic member is provided between the first rotating shaft and the unlocking block. The second elastic member has elastic force, can provide elastic restoring force for the unlocking block, and can keep the position of the unlocking block unchanged when there is no external force, so as to avoid accidental falling off of the sleeve head.

Further, the casing is provided with a camera disposed toward the sleeve head. The camera can observe the parts that need to be constructed, so that the socket head can be aligned with the screws or bolts, so as to achieve precise operation and rapid construction.

These features and advantages of the present invention will be disclosed in detail in the following detailed description and accompanying drawings.

【Description of drawings】

The present invention will be further described below in conjunction with the accompanying drawings:

1 is a schematic structural diagram of a remote wrench in an embodiment of the present invention;

Fig. 2 is the enlarged schematic diagram of A place in Fig. 1;

3 is a schematic structural diagram of a second clutch disc in an embodiment of the present invention;

4 is a schematic structural diagram of a first clutch disc in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of the first clutch block and the second clutch block engaging in the embodiment of the present invention;

6 is a schematic structural diagram of the first clutch disc and the second clutch disc engaging in the embodiment of the present invention;

Fig. 7 is the sectional view of the sleeve head in the embodiment of the present invention;

8 is a cross-sectional view of the first rotating shaft in the embodiment of the present invention.

Reference number:

shell 100;

transmission cavity 110, first bushing 120, second bushing 130;

Insulation rod 200;

The first rotating shaft 300, the motor 310, the first clutch plate 320, the first clutch block 321, the second clutch plate 330, the accommodating groove 3301, the second clutch block 331, the groove 332, the chain 340, the second rotating shaft 350, the first Shaft body 351, first elastic member 3511, second shaft body 352, annular limit block 3521, annular groove 3522, fixed column 3523, third shaft 360, gear 361;

Sleeve head 400;

button 500;

connecting shaft 600, spherical locking block 610, spherical locking groove 620, unlocking block 630, spherical groove 640, second elastic member 650;

Camera 700.

【Detailed ways】

The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise", etc. The orientation or positional relationship shown in the figures is only for the convenience of describing the present invention 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, and therefore should not be construed as a reference to the present invention. Invention limitations.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more, unless otherwise expressly defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

1 and 2, an embodiment of the present invention proposes a remote wrench with a clutch, including a casing 100 and a transmission cavity 110 located in the casing 100. An insulating rod 200 is connected to the lower end of the casing 100. The insulating rod 200 is provided with a first rotating shaft 300 laterally. One end of the first rotating shaft 300 extends out of the casing 100 and can be detachably connected to the sleeve head 400. The transmission cavity 110 is provided with a transmission assembly that provides power for the first rotating shaft 300. The transmission assembly includes The motor 310 and the clutch assembly. The clutch assembly includes a first clutch disc 320 and a second clutch disc 330 engaged with the first clutch disc 320. The motor 310 rotates forward to tighten the screw and reverse the screw to loosen the screw. After the screw is tightened, the first clutch is connected. The disc 320 and the second clutch disc 330 are disengaged from the meshing state, and the first clutch disc 320 and the second clutch disc 330 remain in the meshing state when the screw is loosened.

The present invention provides a remote wrench, which can hold the insulating rod 200 to control the rotation of the socket head 400 on the casing 100 to tighten or loosen the screws and bolts. For the convenience of use, a battery is installed in the casing 100, so that a It can work far away from the power source. The insulating rod 200 has an insulating function. When operating the live device, it can protect the operator and reduce the probability of electric shock. The insulating rod 200 is made of epoxy resin material and is provided at the tail. The insulated handle is easy to hold, and the button 500 for controlling the forward and reverse rotation of the motor 310 is arranged at the handle position of the insulating rod 200;

The transmission assembly further includes a chain 340 and a second rotating shaft 350, the motor 310 is connected with a third rotating shaft 360, the third rotating shaft 360 is engaged with the second rotating shaft 350 for transmission, and the second rotating shaft 350 and the first rotating shaft 300 are connected by transmission through the chain 340, When the third rotating shaft 360 rotates, it can drive the second rotating shaft 350 and the first rotating shaft 300 to rotate, and the motor 310 is not directly connected to the first rotating shaft 300 for driving, so that the thickness of the end of the casing 100 is small, which can be used in a narrow space However, in the prior art, the disclosed wrench that can be used remotely is internally driven between two rotating shafts through a rotating shaft with bevel gears at both ends. Compared with the prior art, in this embodiment Using the chain 340 to realize the transmission, the weight of the device will be lighter, which can reduce the load of the staff, and the staff can operate more stably and continuously. If the belt is used for transmission, although the weight of the belt is higher than that of the chain 340 Light, but there will be slippage between the belt and the rotating shaft, but there will be no slippage between the chain 340 and the first rotating shaft 300 and the second rotating shaft 350;

The power of the motor 310 is different in different operations. It provides greater power when loosening the screw, which can increase the torque on the first rotating shaft 300 when loosening the screw, so that the screw can be loosened easily. This function is also easier to achieve. , a line is drawn from the battery board of the motor 310 to form two batteries of different powers, and then a button 500 is connected in parallel;

After the screw is tightened, the power transmitted by the motor 310 can make the first clutch disc 320 and the second clutch disc 330 disengage from the meshing state, and the relative rotation between the first clutch disc 320 and the second clutch disc 330 can be avoided. After being screwed, the motor 310 is suddenly stopped, causing damage to the motor 310 and the transmission assembly, and prolonging the life of the parts in the tool; and when the screw is loosened, the first clutch disc 320 and the second clutch disc 330 can remain engaged again. , so that the screws can be loosened and removed smoothly.

The second rotating shaft 350 includes a first shaft body 351 and a second shaft body 352 , the first clutch disc 320 is arranged on the first shaft body 351 , the second clutch disc 330 is arranged on the second shaft body 352 , and the transmission cavity 110 The side wall is provided with a first shaft sleeve 120 and a second shaft sleeve 130 , the first shaft body 351 is slidably matched with the first shaft sleeve 120 , the second shaft body 352 is rotatably connected with the second shaft sleeve 130 , and the outer circumference of the second clutch disc 330 There is an external gear ring, a gear 361 is arranged on the third rotating shaft 360, the second clutch plate 330 is meshed with the third rotating shaft 360 for transmission, and when the first clutch plate 320 and the second clutch plate 330 are disengaged, the second clutch plate 330 The position of the second shaft body 352 and the position of the second shaft body 352 remain unchanged, and the stable meshing transmission with the third rotating shaft 360 can be maintained. The position of the first clutch disc 320 and the first shaft body 351 changes in the axial direction, so that the first clutch The disc 320 and the second clutch disc 330 are disengaged.

3 , 4 , 5 and 6 , in order to realize that the first clutch disc 320 and the second clutch disc 330 can be disengaged from the meshing state after the screw is tightened, the first clutch disc 320 and the second clutch disc 320 and the second clutch disc can be loosened when the screw is loosened. 330 remains engaged, the first clutch disc 320 is provided with a plurality of first clutch blocks 321 in the circumferential direction, the second clutch disc 330 is provided with a second clutch block 331 corresponding to the first clutch block 321, and the second clutch block 331 There is a groove 332 matching the first clutch block 321, and a side wall of the groove 332 in the radial direction is a slope (the cross-sectional shape of the groove 332 is similar to the shape of a right-angled trapezoid, in FIG. 6, the direction of the arrow points is the rotation direction of the first clutch block 321 and the second clutch block 331 when the motor is rotating forward), between the first clutch disk 320 and the second clutch disk 330 through a plurality of first clutch blocks 321 and a plurality of second clutch blocks 331 The cooperation between them maintains a stable meshing relationship, and maintains a stable transmission between the first rotating shaft 300, the second rotating shaft 350 and the third rotating shaft 360. There is only one side wall in the groove 332 that is inclined, which can ensure the first clutch plate 320. The second clutch disc 330 can be disengaged only during the forward rotation of the motor 310 .

In addition, a first elastic member 3511 is also provided between the first shaft body 351 and the first shaft sleeve 120 . The first elastic member 3511 is a compression spring and has elastic force, which can provide elastic restoring force for the first shaft body 351 . The elastic force of an elastic member 3511 can keep the first clutch disc 320 and the second clutch disc 330 engaged, and can also keep pushing the first shaft body 351 after the first clutch disc 320 and the second clutch disc 330 are disengaged, so as to facilitate the The first clutch disc 320 and the second clutch disc 330 are re-engaged.

In order to avoid misalignment between the first shaft body 351 and the second shaft body 352 after the first clutch disc 320 and the second clutch disc 330 are disengaged, the two shaft bodies are not concentric, the diameter of the second clutch disc 330 is The diameter of the first clutch disc 320 is larger than that of the first clutch disc 320 , and the end of the second clutch disc 330 facing the first clutch disc 320 is provided with an accommodation groove 3301 for accommodating the first clutch disc 320 , and the depth of the accommodation groove 3301 is greater than that of the groove 332 In this way, after the first clutch disc 320 and the second clutch disc 330 are disengaged, the first clutch disc 320 is still located in the accommodating groove 3301, and the first shaft body 351 and the second shaft body 352 are not in the radial direction. The location will change.

In order to ensure that the chain can still remain engaged with the first shaft body in the process of changing the position of the first shaft body, in an embodiment of the present invention, referring to FIG. 2 , the first shaft body 351 is provided with two annular rings. The limit block 3521 and the two annular limit blocks 3521 are respectively arranged on both sides of the chain 340, so that if the chain 340 is about to disengage from the first shaft body 351, it will contact the annular limit block 3521, so that it cannot be Disengage from the matching relationship with the first shaft body 351 .

In an embodiment of the present invention, the rotational connection structure of the second shaft body and the second shaft sleeve is specifically described. Referring to FIG. 2 , the second shaft body 352 is provided with two annular grooves 3522 , and the second shaft sleeve 130 is provided with two annular grooves 3522 . A fixing post 3523 inserted into the annular groove 3522 is provided thereon. The fixing post 3523 is slidably matched with the annular groove 3522 , and plays an axial limit on the second shaft body 352 .

In an embodiment of the present invention, based on the above embodiment, in order to further reduce the overall weight of the equipment and facilitate the operation of the operator, the insulating rod is a hollow rod, the length of the insulating rod is long, and the weight of the hollow rod is small, which can reduce the The overall weight allows operators to better operate and use tools, and it is also convenient for the connection between the button set on the insulating rod and the battery in the casing; in addition, the casing is made of plastic parts, which are low in weight and have an insulating effect. The weight of the equipment is further reduced and the safety during operation is improved.

In an embodiment of the present invention, the detachable connection structure between the sleeve head and the first rotating shaft is specifically described, specifically:

7 and 8 , one end of the first rotating shaft 300 protruding from the housing 100 is connected to the connecting shaft 600 that is plug-fitted with the sleeve head 400. The cross-section of the connecting shaft 600 is a polygon, such as a triangle, a quadrilateral, etc. The first rotating shaft 300 can be At the same time, the connecting shaft 600 is driven to rotate, and the polygonal connecting shaft 600 can drive the sleeve head 400 to rotate synchronously, and there is no relative movement in the radial direction between the two.

In order to prevent the sleeve head 400 from falling off the connecting shaft 600, the connecting shaft 600 is provided with a plurality of spherical locking blocks 610, and the sleeve head 400 is provided with spherical locking grooves 620 matched with the spherical locking blocks 610, and the spherical locking blocks 610 are inserted into The fitting connection between the connecting shaft 600 and the sleeve head 400 can be completed in the spherical groove 620 , so as to maintain the connection state during the operation, so that the sleeve head 400 can be prevented from falling off from the connecting shaft 600 .

In order to facilitate the removal of the sleeve head 400 from the connecting shaft 600 , the unlocking block 630 is slidably installed in the first rotating shaft 300 and the connecting shaft 600 . An unlocking block 630 is slidably installed at the other end, and the unlocking block 630 is provided with a spherical groove 640 which is matched with the spherical locking block 610. Pressing the unlocking block 630 can make the unlocking block 630 slide relative to the first rotating shaft 300. When the unlocking block 630 slides When the position of the clamping block is reached, the sleeve head 400 can be pulled, and the spherical clamping block 610 can be accommodated in the spherical groove 640 through the contact between the spherical surfaces. At this time, the sleeve head 400 can be removed from the connecting shaft 600 Or the socket head 400 is installed on the socket head 400, and the unlocking block 630 realizes the detachable connection of the socket head 400 on the connecting shaft 600, so as to deal with screws of different sizes.

A second elastic member 650 is further provided between the first rotating shaft 300 and the unlocking block 630. The second elastic member 650 is a compression spring with elastic force, which can provide elastic restoring force for the unlocking block 630, and can keep the unlocking block 630 in the free state. The position remains unchanged under the action of external force, so that accidental falling off of the sleeve head 400 can be avoided.

In another embodiment of the present invention, based on the above-mentioned embodiment, another different detachable connection structure is proposed. The connecting shaft is provided with a first magnetic element, and the sleeve head is provided with a first magnetic attraction The second magnetic attraction piece is attracted to each other. When the socket head completes the plug-fit with the connection, the first magnetic attraction piece and the second magnetic attraction piece are also attracted to each other, which can avoid the separation of the socket head and the connecting shaft. , and the setting of the magnetic attraction is relatively simple, and the disassembly and assembly are convenient and fast. Wherein, one of the first magnetic element and the second magnetic element is a magnet, the other is a metal or a magnet, and the sleeve head can also be set as a metal part, so that when the sleeve head is connected to the connecting shaft , The socket head also has a magnetic force. After loosening the screw, the screw can be sucked down by magnetic force, or the screw can be adsorbed on the socket head before installing the screw to facilitate installation.

In an embodiment of the present invention, other methods that can reduce the weight of the device are also proposed. Specifically, in order to reduce the overall weight of the device and ensure sufficient motor power and torque, the battery uses a 14.4V, 1.4Ah battery plate, For portability and convenience, two rechargeable detachable battery boards are optional.

For the convenience of use, in an embodiment of the present invention, referring to FIG. 1 , the casing 100 is provided with a camera 700 disposed toward the sleeve head 400 . Precise screws or bolts for precise operation and rapid construction.

The embodiments of the present invention can be applied to electric screwdrivers, electric drills and other products.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the drawings and the descriptions in the above specific embodiments. content. Any modifications that do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims (10)

1. Remote spanner with separation and reunion, its characterized in that: including the shell and being located transmission chamber in the shell, the shell lower extreme is connected with the insulator spindle, be equipped with in the transmission chamber for the horizontal first pivot that sets up of insulator spindle, the one end of first pivot is stretched out the shell can be dismantled and connect the cover barrel head, be equipped with in the transmission chamber and do first pivot provides the drive assembly of power, drive assembly includes motor and clutch assembly, clutch assembly include first clutch disc and with the second clutch disc of first clutch disc meshing, the motor corotation is screwed screw reversal unscrewing screw, and the screw is screwed the back first clutch disc with second clutch disc disengagement state, during the unscrewing screw first clutch disc with second clutch disc keeps the engagement state.

2. The remote wrench with clutch of claim 1, wherein: the transmission assembly further comprises a second rotating shaft, the second rotating shaft is connected with the first rotating shaft through chain transmission, the motor is connected with a third rotating shaft, and the third rotating shaft is in meshing transmission with the second rotating shaft.

3. The remote wrench with clutch of claim 2, wherein: the second rotating shaft comprises a first shaft body and a second shaft body, the first clutch disc is arranged on the first shaft body, the second clutch disc is arranged on the second shaft body, a first shaft sleeve and a second shaft sleeve are arranged on the side wall of the transmission cavity, the first shaft body is in sliding fit with the first shaft sleeve, the second shaft body is rotatably connected with the second shaft sleeve, and the second clutch disc is in meshing transmission with the third rotating shaft.

4. The remote wrench with clutch of claim 3, wherein: the clutch device is characterized in that a plurality of first clutch blocks are arranged on the first clutch disc along the circumferential direction, a second clutch block corresponding to the first clutch blocks is arranged on the second clutch disc, a groove matched with the first clutch blocks is formed in the second clutch block, and one side wall of the groove in the radial direction is an inclined plane.

5. The remote wrench with clutch of claim 3, wherein: a first elastic element is arranged between the first shaft body and the first shaft sleeve.

6. The remote wrench with clutch of claim 1, wherein: one end of the first rotating shaft extending out of the shell is connected with a connecting shaft in splicing fit with the sleeve head, and the section of the connecting shaft is polygonal.

7. The remote wrench with clutch of claim 6, wherein: the connecting shaft is provided with a plurality of spherical clamping blocks, and the sleeve head is provided with spherical clamping grooves matched with the spherical clamping blocks.

8. The remote wrench with clutch of claim 7, wherein: the first rotating shaft and the connecting shaft are internally and slidably provided with an unlocking block, the unlocking block extends out of the other end of the first rotating shaft, and the unlocking block is provided with a spherical groove matched with the spherical clamping block.

9. The remote wrench with clutch of claim 8, wherein: and a second elastic piece is arranged between the first rotating shaft and the unlocking block.

10. The remote wrench with clutch according to one of claims 1 to 9, wherein: the shell is provided with a camera facing the sleeve head.

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