Electrical connector structure for a foldable multi-section tube

Abstract

The present invention belongs to the field of electrical connection components, and particularly relates to an electrical connector structure for a foldable multi-section tube. The electrical connector structure is fixedly installed at the end of the connected wiring tube to achieve structural connection and disconnection between the wiring tubes, and can achieve electrical signal transmission in the connected state. At the same time, a handheld electrical device including the above electrical connector structure is disclosed. Compared with the prior art, through the connection of the electrical connector, the wiring tube can be folded in the non-use state, and in the use state, structural combination can be achieved and electrical signal transmission can be realized. The electrical connector structure of the present invention has a simple structure, and the operation of achieving connection or disconnection is also convenient and easy to operate.

Description

Technical Field

[0001] The present invention belongs to the field of electrical connection components, and particularly relates to an electrical connector structure for a foldable multi-section tube. Background Art

[0002] A handheld electrical device refers to an electrical device that cooperates with the device body by being held and moved by a human hand during operation; there are various types of handheld electrical devices, including but not limited to handheld power tools, handheld detection and exploration instruments, and handheld security devices, etc., and these devices play important roles in their respective fields.

[0003] A battery and a control module are built into the handle of these devices, and then connected to the electrical device at the distal end with a wire to form a closed circuit. Due to the requirement of the operating distance, most of the overall structures are relatively long and can only be installed in a hollow long tube, and the structures and installations are complex, and there are problems of inconvenient carrying.

[0004] Currently, the common methods to solve this problem are: designing the straight tube structure into an assembled type, a telescopic type, or a foldable type. The disadvantage of the assembled type is that it requires the user to assemble it by themselves, and it may not be as portable as other methods. The telescopic type features a sliding connection method, and the diameter of the most distal end of the multi-section sliding is smaller than that of the proximal end, which is not conducive to the design and installation of the device. In addition, it cannot reduce the volume as much as the foldable type. The advantages of the foldable type are extremely portable, high flexibility, and no change in the diameters of the proximal and distal ends, which is conducive to the design and installation of the device. However, in the existing technology, the foldable type only solves the folding between the pipeline structures, and there is a lack of an effective connection method between the circuits from the handle to the electrical device. Summary of the Invention

[0005] The purpose of the present invention is to provide an electrical connector structure for a foldable multi-section tube to achieve the connection (merging) and disconnection (folding) between multi-section wiring tubes, and to be able to transmit electrical signals in the connected (merged) state; and the structure of the electrical connector is simple.

[0006] The technical solution to achieve the purpose of the present invention is: an electrical connector structure for a foldable multi-section tube, including a first connection part and a second connection part, which are respectively arranged at the ends of the wiring tubes. Through the cooperation of the first connection part and the second connection part, the connection and disconnection of the structures between the wiring tubes are realized; a conduction mechanism is arranged inside the first connection part and the second connection part, which is used to achieve the transmission of strong and weak electricity of the electrical connector in the connected state between the wiring tubes.

[0007] The electrical connector structure further includes a piston assembly; the first connection part and the second connection part are hinged at the mating part, and the piston assembly is installed inside the first connection part. Through the movement of the piston assembly between the first connection part and the second connection part, the connection and disconnection of the first connection part and the second connection part are realized.

[0008] The piston assembly includes a piston, a first compression spring, a first pin, and a first limit pin; the first compression spring is installed inside the piston, and one end of the first compression spring contacts the inner step surface of the stepped hole inside the piston to achieve the limit of one end of the first compression spring; the first limit pin passes through the positioning pin hole on the first connecting portion and the waist-shaped through hole provided on the side wall of the piston and contacts the other end of the first compression spring to achieve the limit of the other end of the first compression spring; the first pin is installed in the first pin hole and is used to connect the pull rope to drive the piston to move.

[0009] The piston in the piston assembly is limited by a self-adjusting limit block; one end of the self-adjusting limit block is hinged on the first connecting portion, and a counterbore is provided in the direction of the self-adjusting limit block close to the inner wall of the first connecting portion, and a second compression spring is arranged in the counterbore. One end of the second compression spring contacts the end of the counterbore, and the other end contacts the inner wall of the installation opening of the self-adjusting limit block of the first connecting portion; the piston in the piston assembly is installed in the through hole of the first connecting portion, and the convex platform on the outer wall of the piston contacts the self-adjusting limit block, and the self-adjusting limit block realizes the axial limit of the piston. At this time, the second compression spring is in the initial free state.

[0010] A convex male buckle is provided at the end of the first connecting portion, and a concave female buckle hole is provided on the end face of the second connecting portion. When the first connecting portion and the second connecting portion are combined, the male buckle and the female buckle are matched to further ensure the coaxiality when the first connecting portion and the second connecting portion are combined.

[0011] The conduction mechanism includes a push-and-insert elastic transmission mechanism and a push-and-insert rigid transmission mechanism; the push-and-insert elastic transmission mechanism is fixedly installed inside the first connecting portion, and the push-and-insert rigid transmission mechanism is fixedly installed inside the second connecting portion. The cooperation of the push-and-insert elastic transmission mechanism and the push-and-insert rigid transmission mechanism realizes the transmission of electrical signals inside the electrical connector structure.

[0012] The electrical connector structure further includes a handle, and the handle is installed at one end of the wiring tube away from the first connecting portion; the handle is used to disconnect between the first connecting portion and the second connecting portion and to control the load of external electronic and electrical equipment.

[0013] The handle includes a handle shaft, a handle shell, a handle sleeve, a handle spring, a rope tightener, a spring limit retaining ring and a control unit; the handle sleeve is fixedly connected to the end of the wiring tube, one end of the handle shaft passes through the inner hole of the handle sleeve, and the other end of the handle shaft is fixedly connected to the spring limit retaining ring and extends into the wiring tube; the handle shell is fixed on the shaft wall near one end of the handle shaft; a handle spring is sleeved on the handle shaft and between the spring limit retaining ring and the handle sleeve for moving and resetting the handle shaft; a waist-shaped hole is provided on the shaft wall of the handle shaft, and a fixed hole is passed through the handle sleeve There is a second limit pin, which passes through the waist-shaped hole on the handle shaft, thereby limiting the movement distance of the handle shaft on the wiring tube; a through hole is arranged inside the handle shaft, and a rope tightener is fixed to the end face of the handle shaft through a thread, and the rope tightener is used to lock the pull rope; one end of the pull rope is connected to the first pin on the piston in the first connecting part, and the other end passes through the wiring tube, the handle shaft and the rope tightener and comes out; the control unit is arranged inside the handle shell, one end of the connecting line is connected to the control unit, and the other end is connected to the conduction mechanism, which is used to realize the conduction of the electrical signal.

[0014] A handheld electrical device comprises the electrical connector structure.

[0015] The electrical connector connects two or more wiring tubes; after the wiring tubes are connected, one wiring tube at the end is connected to the handle, and the other wiring tube is connected to the battery and the electronic and electrical equipment load; the battery and the electronic and electrical equipment load are connected to one end of the connecting line, and the other end of the connecting line is connected to the electrical connector, so as to realize the connection between the battery and the electronic and electrical equipment load and the connector.

[0016] Compared with the prior art, the present invention has the following significant advantages:

[0017] (1) Through the connection of the electrical connector, the wiring tube can be folded when not in use, and can be structurally combined and realize the transmission of strong and weak electrical signals when in use.

[0018] (2) The electrical connector structure of the present invention is simple in structure and is easy to operate for connection or disconnection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the electrical connector of the foldable multi-section tube in the present invention (disconnected state);

[0020] Figure 2 It is a cross-sectional view of the electrical connector structure of the foldable multi-section tube in the present invention (disconnected state);

[0021] Figure 3 It is a cross-sectional view of the electrical connector structure of the foldable multi-section tube in the present invention (connected state);

[0022] Figure 4Schematic diagram of the push-in type elastic transmission mechanism and the piston seat in the present invention;

[0023] Figure 5 Schematic diagram of the push-in type elastic transmission mechanism in the present invention;

[0024] Figure 6 Schematic diagram of the push-in type rigid transmission mechanism and the piston seat stopper in the present invention;

[0025] Figure 7 Schematic diagram of the piston in the present invention;

[0026] Figure 8 Schematic diagram of the handle in the present invention;

[0027] Figure 9 Schematic diagram of the connection structure of two wiring tubes in the present invention;

[0028] Figure 10 Schematic diagram of the connection structure of three wiring tubes in the present invention. Detailed implementation manners

[0029] The following further introduces the present invention in conjunction with the appended Figures 1 - 10 drawings and specific embodiments. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs.

[0030] An electrical connector structure of a foldable multi-section tube disclosed in the present invention is used for connecting (merging) and disconnecting (folding) between wiring tubes 9, and can realize the transmission of strong and weak electrical signals in the connected (merged) state. The electrical connector structure is fixedly installed at the ends of two wiring tubes 9 to be connected. The electrical connector structure includes a piston seat 1, a piston stopper 2, a piston assembly, and an electrical signal transmission mechanism 4;

[0031] As Figure 1 shown, the piston seat 1 and the piston stopper 2 are hinged through a hinge 6 at the mating installation position. Specifically, one end of the hinge 6 is hinged to the hinge installation opening on the piston seat 1, and the other end of the hinge 6 is hinged to the hinge installation opening on the piston stopper 2;

[0032] The piston seat 1 is of a cylindrical structure, with a through hole opened inside for installing the piston assembly; four through holes are evenly arranged around the center of the piston seat 1 for fixedly installing the push-in type elastic transmission mechanism 4-1; positioning pin holes are provided on the cylindrical wall of the piston seat 1.

[0033] The piston stopper 2 has a cylindrical structure, and at its end (the end close to the connection with the piston seat 1), there is a connection hole that mates with the frustum and cylinder on the piston 3. Thus, when the piston stopper 2 and the piston seat 1 are combined, it mates with one end of the piston 3. Four through holes are evenly arranged around the center for fixedly installing the push-and-insert rigid transmission mechanism 4-2.

[0034] The self-adjusting limit block 5 is provided with a clamping protrusion and a top protrusion. One end of the self-adjusting limit block 5 is hinged to the self-adjusting limit block mounting port of the piston seat 1, and a counterbore is provided in the direction of the self-adjusting limit block 5 close to the inner wall of the piston seat 1. A second compression spring 5-1 is arranged in the counterbore. One end of the second compression spring 5-1 contacts the end of the counterbore, and the other end contacts the inner wall of the self-adjusting limit block mounting port of the piston seat 1. The piston 3 in the piston assembly is installed in the through hole of the piston seat 1, and the outer wall of the piston 3 contacts the self-adjusting limit block 5. The self-adjusting limit block limits the piston axially, and at this time, the second compression spring 5-1 is in the initial free state.

[0035] The piston assembly includes a piston 3, a first compression spring 3-1, a first pin 3-2, and a first limit pin 3-3.

[0036] The piston 3 has a rotary body structure, including a cylindrical section and a frustum section, and a boss is formed at the connection between the cylindrical section and the frustum section. A stepped hole is provided inside the piston 3 for installing and limiting the first compression spring 3-1. A first pin hole is provided at the bottom of the piston 3 for installing the first pin 3-2, and a waist-shaped through hole is provided on the side wall of the piston 3 for installing the first limit pin 3-3. As Figure 7 shown, on the boss formed by the cylindrical section and the frustum section of the piston 3, a first plane is machined at the root of the frustum section to increase the contact area with the clamping protrusion of the self-adjusting limit block 5 and avoid interference with the self-adjusting limit block 5.

[0037] Specifically, the first compression spring 3-1 is installed inside the piston 3. One end of the first compression spring 3-1 contacts the inner step surface of the stepped hole inside the piston 3 to realize the limit of one end of the first compression spring 3-1. The first limit pin 3-3 passes through the positioning pin hole on the piston seat 1 and the waist-shaped through hole provided on the side wall of the piston 3 and contacts the other end of the first compression spring 3-1 to realize the limit of the other end of the first compression spring 3-1. The first pin 3-2 is installed in the first pin hole and is used to connect the pull rope 10. When the electrical connector needs to be disconnected, it drives the piston 3 to move. When the electrical connector is in the disconnected state, at this time the first compression spring 3-1 is in a compressed state. At the maximum displacement of the piston 3 near the bottom of the piston seat 1, the self-adjusting limit block 5 cooperates with the clamping position on the piston 3 to perform axial limit on the piston 3. When the electrical connector needs to enter the connected state (i.e., the wiring pipes 9 are combined), the piston stopper 2 and the piston seat 1 are closed. The card slot on the piston stopper 2 acts on the top protrusion of the self-adjusting limit block 5, causing the self-adjusting limit block 5 to rotate towards the inner wall of the self-adjusting limit block installation opening of the piston seat 1, compressing the second compression spring 5-1, completing the unlocking at the step surface of the piston 3. The piston 3 moves towards the piston stopper 2 under the action of the restoring force of the first compression spring 3-1 and enters the connection hole inside the piston stopper 2 to realize the connection between the piston seat 1 and the piston stopper 2. And at this time, the convex elastic contact point on the push-pull type elastic transmission mechanism 4-1 contacts the concave contact point on the push-pull type rigid transmission mechanism 4-2 to realize the connection of the electrical signal.

[0038] A convex male buckle is provided at the end of the piston seat 1, and a concave female buckle hole is provided on the end face of the piston stopper 2. When the piston seat 1 and the piston stopper 2 are combined, the male buckle and the female buckle hole cooperate to further ensure the coaxiality when the piston seat 1 and the piston stopper 2 are combined.

[0039] The push-pull type electrical signal transmission mechanism 4 (conducting mechanism) includes a push-pull type elastic transmission mechanism 4-1 and a push-pull type rigid transmission mechanism 4-2:

[0040] The push-pull type elastic transmission mechanism 4-1 includes a first connection seat 4-1-1, an insulating tube 4-1-2, and a spring conductive pin 4-1-3.

[0041] Four insulating tubes 4-1-2 are circumferentially and uniformly fixedly installed on the first connection seat 4-1-1, and a spring conductive pin 4-1-3 is installed inside each insulating tube 4-1-2; the end of the spring conductive pin 4-1-3 is a convex contact point. The spring conductive pin 4-1-3 is connected to the socket through a wire near the bottom of the first connection seat 4-1-1.

[0042] The spring conductive pin 4-1-3 usually includes three basic components: a pin shaft, a spring, and a needle tube, and is formed into a spring-type conductive pin after being riveted by a precision instrument. The spring conductive pin 4-1-3 is widely used in various electronic products to play a role in signal transmission and connection.

[0043] The push-and-plug rigid transmission mechanism 4-2 includes a first connection seat 4-1-1, an insulating tube 4-1-2 and a first guide core 4-1-4; four insulating tubes 4-1-2 are evenly fixedly installed on the first connection seat 4-1-1 in the circumferential direction, and a first guide core 4-1-4 is installed inside each insulating tube 4-1-2. The end of the first guide core 4-1-4 is a concave contact point, which is used to cooperate with the end convex contact of the spring conductive needle 4-1-3 to transmit the electrical signal. The first guide core 4-1-4 is connected to the socket through a wire near the bottom of the first connection seat 4-1-1.

[0044] The electrical connector also includes a handle 7; the handle 7 is installed at one end of the wiring tube 9 away from the electrical connector, and the handle 7 includes a handle shaft 7-1, a handle shell 7-2, a handle sleeve 7-3, a handle spring 7-4, a rope tightener 7-5, a spring limit ring 7-6, a control unit and a second limit pin.

[0045] The handle sleeve 7-3 is fixedly connected to the end of the wiring tube 9, one end of the handle shaft 7-1 passes through the inner hole of the handle sleeve 7-3, and the other end of the handle shaft is fixedly connected to the spring limit retaining ring 7-6 and extends into the wiring tube 9; the handle shell 7-2 is fixed on the shaft wall near the other end of the handle shaft 7-1; a handle spring 7-4 is sleeved on the handle shaft 7-1 and between the spring limit retaining ring 7-6 and the handle sleeve 7-3, which is used for the movement and reset of the handle shaft 7-1. A waist-shaped hole is set on the shaft wall of the handle shaft 7-1, and a second limit pin is fixedly set on the handle sleeve 7-3, and the second limit pin passes through the waist-shaped hole on the handle shaft 7-1, thereby realizing the limitation of the movement distance of the handle shaft 7-1 relative to the wiring tube 9.

[0046] A through hole is provided inside the handle shaft 7-1, and a rope tightener 7-5 is fixed to the end surface of the handle shaft 7-1 by a thread, and the rope tightener 7-5 is used to lock the pull rope. One end of the pull rope 10 is connected to the first pin 3-2 on the piston 3 in the first connecting part, and the other end passes through the wiring tube 9, the handle shaft 7-1 and the rope tightener 7-5 and comes out.

[0047] The control unit is arranged inside the handle shell 7-2 and does not interfere with the passing pull cord 10. One end of the connecting line 11 is connected to the control unit, and the other end is provided with a plug, which is connected to the socket on the first connecting seat 4-1-1; it is used to realize the conduction of electrical signals.

[0048] When the connection tubes 9 need to change from the connected (merged) state to the disconnected (folded) state, pull the handle housing 7-2 outwards, which drives the handle shaft 7-1 to move outwards relative to the connection tubes 9. The handle shaft 7-1 drives the piston 3 towards the piston seat 1 through the pull rope 10, disconnecting the connection between the connection tubes 9, separating the piston seat 1 from the piston stopper 2, and achieving the disconnection of the contacts between the push-and-pull type elastic transmission mechanism 4-1 and the push-and-pull type rigid transmission mechanism 4-2 in the push-and-pull type electrical signal transmission mechanism 4.

[0049] As Figure 9 shown, as an embodiment of the present invention, the two connection tubes 9 are connected through an electrical connector. Specifically, the piston seat 1 and the piston stopper 2 are respectively fixedly installed at the ends of the two connection tubes 9. A handle 7 is provided at the other end of one connection tube 9, and a battery and an electrical and electronic equipment load 8 are provided at the other end of the other connection tube 9. The battery and the electrical and electronic equipment load 8 are connected to one end of the connection line 11, and the other end of the connection line 11 is provided with a plug connected to the socket on the push-and-pull type rigid transmission mechanism 4-2, realizing the connection between the battery and the electrical and electronic equipment load 8 and the connector.

[0050] As another embodiment of the present invention, the electrical connector can realize the connection between two or more connection tubes 9. After the connection tubes 9 are connected, for the two connection tubes 9 at the ends, one connection tube 9 is connected to the handle 7, and the other connection tube 9 is connected to the battery and the electrical and electronic equipment load 8.

[0051] During installation, it is necessary to ensure that the folding directions of the connection tubes 9 when the connector is disconnected are opposite. For example, when 3 connection tubes 9 are connected through an electrical connector, in the disconnected state, they are folded into an "N" shape.

[0052] Among them, the insulating tube 4-1-2 is made of insulating material, and various plastics such as ABS engineering plastics, PVC, and nylon can be selected.

[0053] The working principle of the electrical connector structure of the foldable multi-section tube is as follows: When realizing the connection between two or more connection tubes 9, the piston seat 1 and the piston stopper 2 are respectively fixedly installed at the ends of the two connection tubes 9. A handle 7 is provided at the other end of one connection tube 9, and the other end of the other connection tube 9 is connected to the battery and the electrical and electronic equipment load 8. The plug on the battery and the electrical and electronic equipment load 8 is connected to the socket on the push-and-pull type rigid transmission mechanism 4-2 through the connection line 11, realizing the connection between the battery and the electrical and electronic equipment load 8 and the connector. The handle shaft 7-7 is connected to the socket on the push-and-pull type elastic transmission mechanism 4-1 through the connection line 11, realizing the conduction between the handle and the connector.

[0054] When the two connection tubes 9 are in the connected (merged) state, the piston 3 moves into the connection hole inside the piston stopper 2; at this time, the contact points of the push-in type elastic transmission mechanism 4-1 and the push-in type rigid transmission mechanism 4-2 are connected. When the connection tube 9 needs to enter the disconnected (folded) state, pull the handle housing 7-2 outwards, thereby driving the handle shaft 7-1 to move outwards relative to the connection tube 9, compressing the handle spring 7-4. The handle shaft 7-1 drives the piston 3 to move towards the piston seat 1 through the pull rope 10, thereby compressing the first compression spring 3-1 inside the piston 3, disconnecting the connection between the connection tubes 9, separating the piston seat 1 and the piston stopper 2, and realizing the disconnection of the contact points between the push-in type elastic transmission mechanism 4-1 and the push-in type rigid transmission mechanism 4-2 in the push-in type electrical transmission mechanism 4; the piston 3 moves to the maximum displacement inside the piston seat 1 and is limited and clamped by the clamping protrusion on the self-adjusting limit block 5.

[0055] When the connection tube 9 needs to enter the connected (merged) state from the disconnected (folded) state, merge the piston seat 1 and the piston stopper 2. The card slot on the piston stopper 2 acts on the top of the self-adjusting limit block 5, causing the self-adjusting limit block 5 to rotate, completing the unlocking of the top of the piston 3. The piston 3 moves towards the piston stopper 2 under the action of the restoring force of the first compression spring 3-1 and enters the connection hole inside the piston stopper 2, realizing the connection between the piston seat 1 and the piston stopper 2. At this time, the protruding elastic contact point on the push-in type elastic transmission mechanism 4-1 contacts the concave contact point on the push-in type rigid transmission mechanism 4-2, realizing the connection of the signal.

[0056] Various electrical equipment loads, batteries, and control units required for installation can be actually set according to the pipe diameter inside the multi-section connection tube 9, and then connected by electrical connectors in a mechanical and electronic manner. To achieve the integrated operation effect of a straight tube type and the portable effect of a folding type. The material of the connection tube 9 can be various engineering plastic tubes, metal material tubes, carbon fiber tubes, glass fiber tubes, etc.

Claims

1. A foldable multi-section tube electrical connector structure, characterized in that: It includes a first connection part, a second connection part and a piston assembly; the first connection part and the second connection part are respectively arranged at the ends of the wiring tube, the first connection part and the second connection part are centrally provided with through holes, and a conducting mechanism is arranged in the circumference of the through holes, and the conducting mechanism is used for the transmission of strong and weak electricity of the electrical connector structure; the first connection part and the second connection part are hinged at the mating position; The piston assembly is installed in the central through hole inside the first connecting part, and the piston assembly includes a piston, a first compression spring, a first pin and a first limit pin; the piston moves in the through hole of the second connecting part, the first compression spring is installed in the piston, and one end of the first compression spring contacts the internal step surface of the step hole inside the piston; the first limit pin passes through the positioning pin hole on the first connecting part and the waist-shaped through hole set on the side wall of the piston, and contacts the other end of the first compression spring; the first pin is installed in the first pin hole of the piston, and is used to connect the pull rope to drive the piston to move; The piston in the piston assembly is limited by a self-adjusting limit block; one end of the self-adjusting limit block is hinged on the first connecting part, and a countersunk hole is opened on the self-adjusting limit block in the direction close to the inner wall of the first connecting part, and a second compression spring is arranged in the countersunk hole, one end of the second compression spring contacts the end of the countersunk hole, and the other end contacts the inner wall of the self-adjusting limit block mounting opening of the first connecting part; the boss on the outer wall of the piston contacts the self-adjusting limit block, and the self-adjusting limit block realizes axial limitation of the piston; a slot is arranged on the second connecting part, and the slot is used to drive the self-adjusting limit block to rotate.

2. The foldable multi-section tube electrical connector structure according to claim 1, characterized in that: A raised male buckle is provided at the end of the first connecting part, and a recessed female buckle hole is provided on the end face of the second connecting part. When the first connecting part and the second connecting part are combined, the male buckle and the female buckle cooperate to ensure the coaxiality when the first connecting part and the second connecting part are combined.

3. The foldable multi-section tube electrical connector structure according to claim 1, characterized in that: The conduction mechanism includes a push-plug elastic transmission mechanism and a push-plug rigid transmission mechanism; the push-plug elastic transmission mechanism is fixedly installed in the first connecting part, and the push-plug rigid transmission mechanism is fixedly installed in the second connecting part. The push-plug elastic transmission mechanism and the push-plug rigid transmission mechanism cooperate to realize the transmission of electrical signals inside the electrical connector structure.

4. The foldable multi-section pipe electrical connector structure according to claim 2, characterized in that: The electrical connector structure also includes a handle, which is installed at one end of the wiring tube away from the first connecting part; the handle is used to disconnect the first connecting part and the second connecting part, and to control the load of external electronic and electrical equipment.

5. The foldable multi-section pipe electrical connector structure according to claim 4, characterized in that: The handle includes a handle shaft, a handle shell, a handle sleeve, a handle spring, a rope tightener, a spring limit retaining ring and a control unit; the handle sleeve is fixedly connected to the end of the wiring tube, one end of the handle shaft passes through the inner hole of the handle sleeve, and the other end of the handle shaft is fixedly connected to the spring limit retaining ring and extends into the wiring tube; the handle shell is fixed on the shaft wall near one end of the handle shaft; a handle spring is sleeved on the handle shaft and between the spring limit retaining ring and the handle sleeve for moving and resetting the handle shaft; a waist-shaped hole is provided on the shaft wall of the handle shaft, and a fixed hole is passed through the handle sleeve There is a second limit pin, which passes through the waist-shaped hole on the handle shaft, thereby limiting the movement distance of the handle shaft on the wiring tube; a through hole is arranged inside the handle shaft, and a rope tightener is fixed to the end face of the handle shaft through a thread, and the rope tightener is used to lock the pull rope; one end of the pull rope is connected to the first pin on the piston in the first connecting part, and the other end passes through the wiring tube, the handle shaft and the rope tightener and comes out; the control unit is arranged inside the handle shell, one end of the connecting line is connected to the control unit, and the other end is connected to the conduction mechanism, which is used to realize the conduction of the electrical signal.

6. A handheld electrical device, characterized in that: The invention comprises the electrical connector structure as described in any one of claims 1 to 5.

7. The handheld electrical device according to claim 6, characterized in that: The electrical connector structure connects two or more wiring tubes; after the wiring tubes are connected, one wiring tube at the end is connected to the handle, and the other wiring tube is connected to the battery and the electronic and electrical equipment load; the battery and the electronic and electrical equipment load are connected to one end of the connecting line, and the other end of the connecting line is connected to the electrical connector structure, so as to realize the connection between the battery and the electronic and electrical equipment load and the electrical connector structure.

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