CN116111372B

CN116111372B - Wire connection structure of voltage detection device for voltage protection of charging pile

Info

Publication number: CN116111372B
Application number: CN202310362843.5A
Authority: CN
Inventors: 吴婉豪; 毛东宇; 李晓阳; 王伟; 万隆
Original assignee: Shandong University of Technology
Current assignee: Shandong University of Technology
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-20
Anticipated expiration: 2043-04-07
Also published as: CN116111372A

Abstract

The invention relates to the technical field of conductive connectors, in particular to a wire connecting structure of a voltage detecting device for protecting a charging pile voltage, which comprises a buckle plate, wherein a wiring assembly is arranged on the surface of the buckle plate and used for connecting wires, a wire binding assembly is arranged on the surface of the buckle plate, the wires connected with the wiring assembly are limited, a clamping assembly is arranged on the surface of the buckle plate and used for clamping and fixing the wires, and a reinforcing clamping piece is arranged on the surface of the buckle plate and used for limiting after the installation of a buckling plate. When the wire clamping device is used, after the copper wires of the wires are plugged into the wiring assembly, the wire bodies of the wires are led downwards along the wire harness assembly, and then the wires are clamped by the clamping assembly, so that the clamping and fixing of the copper wires of the wires are realized, the wire bodies of the wires are clamped, the problem that the connection parts of the copper wires of the wires are broken when the wire bodies of the wires and the joints are pulled is avoided, and the buckle plate fastened on equipment is clamped by stirring the reinforcing clamping piece.

Description

Wire connection structure of voltage detection device for voltage protection of charging pile

Technical Field

The invention relates to the technical field of conductive connectors, in particular to a lead connection structure of a voltage detection device for protecting a charging pile voltage.

Background

The charging pile has the function similar to that of an oiling machine in a gas station, can be fixed on the ground or a wall, is installed in public buildings (public buildings, malls, public parking lots and the like) and residential community parking lots or charging stations, and can charge electric automobiles of various types according to different voltage levels.

In the prior art, the charging pile adopts the voltage detection device for voltage protection to detect the voltage of the internal equipment of the charging pile, the joint is required to be installed at the interface of the voltage detection device for voltage protection, the joint is connected with other matched equipment through a wire, the voltage detection of the internal equipment of the charging pile is commonly realized, and after the joint is installed at the end part of the connecting wire, the joint is spliced at the interface of the voltage detection device for voltage protection.

However, when a conventional wire connector is inserted into a voltage detection device interface for voltage protection and a wire is erroneously touched to generate a pulling force, the connector is likely to be pulled out from the interface and fall off, and when a conventional connector is connected to a copper wire of the wire, a plurality of screws are required to be screwed by a screwdriver to clamp the copper wire of the wire, and when the connector and the wire are pulled, the wire is likely to be pulled from the connector and broken.

Disclosure of Invention

The invention aims to provide a wire connection structure of a voltage detection device for protecting a charging pile voltage, which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fill electric pile voltage protection and use voltage detection device's wire connection structure, includes the buckle, the surface of buckle is equipped with wiring subassembly for connecting the wire, the surface of buckle is equipped with the wire assembly, and the wire that connects the wiring subassembly is spacing, and the surface of buckle is equipped with the centre gripping subassembly, and is fixed to the wire centre gripping, and the surface of buckle is equipped with the reinforcement fastener, is spacing after being used for the installation of buckling plate.

Preferably, the buckle is "" font platy structure, and the curb plate surface of two parallel distributions of buckle all is equipped with the inclined plane, and two sets of inclined planes are relative, and the fixed surface of buckle has sealed pad, and sealed pad cover is established in the outside of connecting the socket, and the embedded groove has been seted up to the bottom plate top surface of buckle, and the fixed surface of embedded groove has rubber gasket second, and rubber gasket second's thickness is greater than the degree of depth of embedded groove.

Preferably, the wiring assembly comprises a reserved opening, a connecting socket, a connecting metal sheet, a notch and metal strips, wherein the reserved opening is formed in the surface of the buckle plate, the connecting socket is fixed on the surface of the buckle plate, the connecting socket is communicated with the reserved opening, the connecting metal sheet is provided with two groups, the two groups of connecting metal sheets are fixed on the surface of the connecting socket, the notch is formed in the surface of the connecting metal sheet, and the metal strips are fixed on two relatively distributed side walls of the notch.

Preferably, the wire harness assembly comprises a wire harness groove, an elastic protection sheet, a wire clamping groove, a mounting groove and a wire body corner groove, wherein the wire harness groove is formed in the surface of the buckle plate and communicated with the mounting groove, the mounting groove is formed in the surface of the buckle plate and communicated with the reserved opening, the wire body corner groove is an L-shaped groove, the wire body corner groove is provided with two groups, the wire body corner groove is communicated with the mounting groove, the wire body corner groove is communicated with the reserved opening, and the wire body corner groove corresponds to the connecting metal sheet one by one.

Preferably, the elastic protection sheets are arc-shaped strips, the elastic protection sheets are provided with two groups, the two groups of elastic protection sheets are symmetrically distributed about the wire harness grooves, each group of elastic protection sheets is provided with a plurality of elastic protection sheets, the plurality of elastic protection sheets are distributed along the long sides of the wire harness grooves, the wire harness grooves are arc-shaped grooves, the wire harness grooves are formed in the surfaces of the wire harness grooves, the wire harness grooves are provided with two groups, and the two groups of wire harness grooves are symmetrically distributed about the centers of the wire harness grooves.

Preferably, the clamping assembly comprises a clamping plate, a wire clamping groove, a first rubber gasket, a limiting sliding groove, a stop bar, a wire pressing rod and a perforation, wherein the clamping plate is of a T-shaped plate structure, one end of the clamping plate is slidably connected in a reserved opening, the other end of the clamping plate is slidably connected in a mounting groove, the wire clamping groove is a square groove, the wire clamping groove is formed in the bottom surface of the clamping plate, the wire clamping groove is provided with two groups, the wire clamping groove corresponds to the wire body corner groove one by one, the first rubber gasket is fixed on the top surface of the wire clamping groove, the limiting sliding groove is formed in the surface of the clamping plate, the stop bar extends into the limiting sliding groove, and two ends of the stop bar are respectively fixed on the top surface of the mounting groove and the bottom surface of the mounting groove.

Preferably, the line ball pole is fixed in the bottom surface of grip block, and the line ball pole runs through the perforation, and the perforation is seted up in the bottom surface of mounting groove, and perforation intercommunication beam slot, and the grip block descends the back and drives the line ball pole and press the wire spacing in the card slot, is equipped with the location fastener between grip block and the blend stop for it is spacing fixed to the grip block.

Preferably, the positioning clamping piece comprises a storage groove, a positioning socket, a positioning plugboard, an elastic stay, a rubber supporting block and a positioning slot, wherein the storage groove is formed in the surface of the clamping plate, two groups of storage grooves are formed in the storage groove, the two groups of storage grooves are symmetrically distributed with respect to the limiting sliding groove, the positioning plugboard is formed in the surface of the storage groove, the positioning plugboard is communicated with the storage groove and the limiting sliding groove, the positioning plugboard penetrates through the positioning socket and is of an L-shaped plate structure, one end of the positioning plugboard is fixedly provided with the elastic stay and the rubber supporting block, one ends of the elastic stay and the rubber supporting block are fixedly arranged on the surface of the storage groove, the elastic stay is an omega-shaped strip, the rubber supporting block is a square block, the surface of the rubber supporting block is provided with a force release opening, the positioning slot is formed in the surface of the blocking strip, the positioning slot and the positioning plugboard are in one-to-one correspondence, the elastic stay and the rubber supporting block are extruded to deform when one end of the positioning plugboard is abutted to the surface of the blocking strip, the clamping plate descends, the positioning plugboard is inserted into the positioning slot, and the clamping plate is limited and fixed.

Preferably, the reinforcement fastener comprises an assembling groove, a through hole, a clamping block, a pressing sheet, a rubber traction belt, a baffle plate, an assembling plate, side grooves, guide strips, a sliding rail groove, a baffle plate, a finger groove, a rubber clamping strip and a movable groove, wherein the assembling groove is formed in the top surface of the buckle plate, the through hole is formed in the surface of the assembling groove, the clamping block is movably inserted into the through hole, one end of the clamping block, which extends into the assembling groove, is provided with an inclined surface, the inclined surface faces the assembling plate, the assembling plate is slidably connected in the assembling groove, the surface of the clamping block is fixedly provided with the pressing sheet, the pressing sheet is of an 'I' -shaped plate structure, the rubber traction belt is fixedly arranged on the side walls of the movable groove in two parallel distribution mode, the baffle plate is arranged above the pressing sheet, the baffle plate is fixedly arranged on the side walls of the movable groove in two opposite distribution mode, the side grooves are formed in two sides of the assembling plate, the side grooves are formed along the guide strips, the guide strips are fixedly arranged on the side walls of the assembling groove, the guide strips are formed in the surface of the assembling groove, the baffle plate is fixedly arranged on the side walls of the assembling groove after penetrating through the sliding rail groove, the guide grooves are fixedly arranged on the side walls of the assembling groove, the guide grooves are in the semicircular grooves, the semicircular grooves are fixedly arranged between the finger grooves and the guide strips, and the guide strips.

Preferably, the surface of the buckle plate is provided with a winding groove, and the winding groove is arranged around the buckle plate for a circle.

Compared with the prior art, the invention has the beneficial effects that:

when the wire clamping device is used, after the copper wires of the wires are plugged into the wiring assembly, the wire bodies of the wires are led downwards along the wire harness assembly, and then the wires are clamped by the clamping assembly, so that the clamping and fixing of the copper wires of the wires are realized, the wire bodies of the wires are clamped, the problem that the connection parts of the copper wires of the wires are broken when the wire bodies of the wires and the joints are pulled is avoided, and the buckle plate which is buckled on equipment is prevented from falling and reinforced by stirring the reinforcing clamping piece.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a connection socket mounting structure according to the present invention;

FIG. 3 is a schematic view of the present invention in semi-section;

FIG. 4 is a schematic view of a clamping plate structure according to the present invention;

FIG. 5 is a schematic view of the connection structure of the connection socket and the connection metal sheet of the present invention;

fig. 6 is a schematic view of the buckle plate structure of the present invention.

In the figure: pinch plate 1, reserved opening 2, connection socket 3, connection metal sheet 4, notch 5, metal strip 6, wire harness slot 7, elastic protection piece 8, wire clamping slot 9, installation slot 10, clamping plate 11, wire clamping slot 12, rubber gasket one 13, limit chute 14, stop bar 15, wire pressing rod 16, perforation 17, storage slot 18, positioning socket 19, positioning plugboard 20, elastic stay 21, rubber support block 22, positioning slot 23, wire corner slot 24, winding slot 25, embedding slot 26, rubber gasket two 27, assembly slot 28, through opening 29, clamping block 30, pressing piece 31, rubber traction belt 32, stop piece 33, assembly plate 34, edge slot 35, guide strip 36, slide rail slot 37, stop block 38, finger slot 39, rubber clamping strip 40, sealing pad 41, movable slot 42.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

Embodiment one: referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a fill electric pile voltage protection and use voltage detection device's wire connection structure, includes buckle 1, buckle 1's surface is equipped with wiring subassembly for connect the wire, buckle 1's surface is equipped with the wiring subassembly, and the wire that connects the wiring subassembly is spacing, and buckle 1's surface is equipped with the centre gripping subassembly, and the centre gripping is fixed to the wire, and buckle 1's surface is equipped with the reinforcement fastener, is used for spacing after installing buckle 1; after the wiring assembly is plugged into the copper wire of the wire, the wire body of the wire is led downwards along the wire harness assembly, then the wire is clamped by the clamping assembly, so that the wire copper wire is clamped and fixed, the wire body is clamped, the problem that the wire body is pulled and the joint generates fracture at the joint of the wire copper wire is avoided, and the buckle plate 1 buckled on the equipment is reinforced by stirring the reinforcing clamping piece, so that the wire is prevented from falling off.

In order to realize that the buckle plate 1 is fixed on equipment, the buckle plate 1 is of a -shaped platy structure, inclined planes are arranged on the surfaces of two parallel side plates of the buckle plate 1, the two groups of inclined planes are opposite, a sealing gasket 41 is fixed on the surface of the buckle plate 1, the sealing gasket 41 is sleeved on the outer side of the connecting socket 3, an embedded groove 26 is formed in the top surface of the bottom plate of the buckle plate 1, a rubber gasket II 27 is fixed on the surface of the embedded groove 26, and the thickness of the rubber gasket II 27 is larger than the depth of the embedded groove 26.

Referring to fig. 3 and 5, the wiring assembly comprises a reserved opening 2, a connection socket 3, a connection metal sheet 4, a notch 5 and a metal strip 6, wherein the reserved opening 2 is formed in the surface of the buckle plate 1, the connection socket 3 is fixed on the surface of the buckle plate 1, the connection socket 3 is communicated with the reserved opening 2, the connection metal sheet 4 is provided with two groups, the two groups of connection metal sheets 4 are fixed on the surface of the connection socket 3, the notch 5 is formed in the surface of the connection metal sheet 4, and the metal strip 6 is fixed on two relatively distributed side walls of the notch 5.

Referring to fig. 1 to 3, the reinforcement clip comprises an assembly groove 28, a through hole 29, a clamping block 30, a pressing sheet 31, a rubber traction belt 32, a baffle 33, an assembly plate 34, a side groove 35, a guide strip 36, a sliding rail groove 37, a stop block 38, a finger groove 39, a rubber clamping strip 40 and a movable groove 42, wherein the assembly groove 28 is formed in the top surface of the buckle plate 1, the through hole 29 is formed in the surface of the assembly groove 28, the clamping block 30 is movably inserted in the through hole 29, one end of the clamping block 30 extending into the assembly groove 28 is provided with an inclined surface, the inclined surface faces the assembly plate 34, the assembly plate 34 is slidably connected in the assembly groove 28, the pressing sheet 31 is fixedly arranged on the surface of the clamping block 30, the pressing sheet 31 is in an I-shaped plate structure, the bottom surface of the pressing sheet 31 is fixedly provided with the rubber traction belt 32, two ends of the rubber traction belt 32 are respectively fixedly arranged on two side walls which are distributed in parallel to each other in the movable groove 42, the baffle 33 is fixedly arranged on two opposite side walls of the movable groove 42, the two sides of the assembly plate 34 are respectively provided with the side groove 35, the side groove 35 is fixedly arranged on the side walls of the guide strip 36, the guide strip 36 and the guide strip 36 are fixedly arranged on the side walls of the guide strip 37 and the guide strip 37, and the guide strip 37 are fixedly arranged on the side walls of the guide strip 37, and the guide strip 37 are fixedly arranged on the surfaces of the side grooves 37 and the side surfaces of the guide strip 37, and the guide strip 37 are fixedly arranged on the side surfaces of the guide strip 37 and the guide groove 37.

The connection socket 3 is inserted at the interface of the voltage detection device for protecting the voltage of the charging pile, and the connection socket 3 is used for connecting a wire and the interface. At this time, the buckle plate 1 is buckled on the shell of the voltage detection device for the voltage protection of the charging pile, the assembly plate 34 is pushed to extrude the inclined plane of the clamping block 30, the clamping block 30 is extruded downwards by the assembly plate 34 until the clamping block 30 is clamped on the shell of the voltage detection device for the voltage protection of the charging pile, in the process, the clamping block 30 drives the pressing plate 31 to downwards extrude the rubber traction belt 32 when moving, the rubber traction belt 32 is stretched and deformed, the rubber gasket two 27 is clamped between the shell of the voltage detection device for the voltage protection of the charging pile and the buckle plate 1 at this time, the buckle plate 1 is prevented from falling off from the shell of the voltage detection device for the voltage protection of the charging pile, when the buckle plate 1 is disassembled, the finger is scratched in the finger groove 39, the stretching assembly plate 34 slides along the guide strip 36 until the assembly plate 34 is blocked by the stop block 38, at this time, the clamping block 30 is not blocked by the assembly plate 34, the rubber traction belt 32 is elastically driven to pull the clamping block 30 to move back, the clamping block 30 is not clamped by the shell of the voltage detection device for the voltage protection of the charging pile, and the buckle plate 1 is pulled away from the shell of the voltage detection device for the voltage protection of the charging pile.

Referring to fig. 4 and 6, in order to achieve clamping fixation of a wire, the wire harness assembly includes a wire harness groove 7, an elastic guard piece 8, a wire clamping groove 9, a mounting groove 10 and a wire body corner groove 24, the wire harness groove 7 is opened on the surface of the buckle plate 1, the wire harness groove 7 is communicated with the mounting groove 10, the mounting groove 10 is opened on the surface of the buckle plate 1, the mounting groove 10 is communicated with the reserved opening 2, the wire body corner groove 24 is an 'L' -shaped groove, the wire body corner groove 24 is provided with two groups, the wire body corner groove 24 is communicated with the mounting groove 10, the wire body corner groove 24 is communicated with the reserved opening 2, the wire body corner groove 24 corresponds to the connecting metal piece 4 one by one, the elastic guard piece 8 is a circular arc-shaped strip, the elastic guard piece 8 is provided with two groups, the two groups of elastic guard pieces 8 are symmetrically distributed about the wire harness groove 7, each group of elastic guard pieces 8 is provided with a plurality of elastic guard pieces 8 are distributed along the long side of the wire harness groove 7, the wire clamping groove 9 is a circular arc-shaped groove, the clamping wire groove 9 is arranged on the surface of the wire harness groove 7, the two groups of clamping wire grooves 9 are symmetrically distributed around the center of the wire harness groove 7, the clamping assembly comprises a clamping plate 11, a clamping wire groove 12, a first rubber gasket 13, a limiting sliding groove 14, a blocking strip 15, a wire pressing rod 16 and a through hole 17, the clamping plate 11 is of a T-shaped plate structure, one end of the clamping plate 11 is slidably connected in the reserved opening 2, the other end of the clamping plate 11 is slidably connected in the mounting groove 10, the clamping wire groove 12 is of a square groove, the clamping wire groove 12 is arranged on the bottom surface of the clamping plate 11, the clamping wire groove 12 is provided with two groups, the clamping wire groove 12 corresponds to the wire body corner groove 24 one by one, the first rubber gasket 13 is fixed on the top surface of the clamping wire groove 12, the limiting sliding groove 14 is arranged on the surface of the clamping plate 11, the blocking strip 15 stretches into the limiting sliding groove 14, two ends of the blocking strip 15 are respectively fixed on the top surface of the mounting groove 10 and the bottom surface of the mounting groove 10, the line ball pole 16 is fixed in the bottom surface of grip block 11, and line ball pole 16 runs through perforation 17, and perforation 17 is seted up at the bottom surface of mounting groove 10, and perforation 17 intercommunication beam slot 7, and drive line ball pole 16 and press the wire spacing in card slot 9 behind the grip block 11 decline, be equipped with the location fastener between grip block 11 and the blend stop 15 for it is spacing fixed to grip block 11.

The positioning clamping piece comprises a storage groove 18, a positioning insertion opening 19, a positioning insertion plate 20, elastic support rods 21, rubber support blocks 22 and positioning insertion grooves 23, wherein the storage groove 18 is formed in the surface of the clamping plate 11, two groups of storage grooves 18 are formed in the storage groove 18, the two groups of storage grooves 18 are symmetrically distributed on the surface of the stop bar 15, the positioning insertion opening 19 is formed in the surface of the storage groove 18, the positioning insertion opening 19 is communicated with the storage groove 18 and the stop bar 14, the positioning insertion plate 20 penetrates through the positioning insertion opening 19, the positioning insertion plate 20 is of an L-shaped plate structure, one end of the positioning insertion plate 20 is fixedly provided with the elastic support rods 21 and the rubber support blocks 22, one ends of the elastic support rods 21 and the rubber support blocks 22 are fixed on the surface of the storage groove 18, the elastic support rods 21 are omega-shaped strips, the rubber support blocks 22 are square, force release openings are formed in the surface of the rubber support blocks 22, the positioning insertion grooves 23 are formed in the surface of the stop bar 15, one-to-one correspondence of the positioning insertion grooves 20, one ends of the positioning insertion plate 20 are abutted against the surface of the stop bar 15, the elastic support rods 21 and the rubber support blocks 22 are extruded to deform, after the clamping plate 11 descends, the positioning insertion plate 20 is inserted into the positioning insertion plate 23, and the clamping plate 11 is fixed to be fixed.

The insulation protection layer at one end of the wire is cut off, the exposed copper wire is plugged into the connecting metal sheet 4, and the wire is combed along the wire body corner groove 24 and the wire harness groove 7, the wire body of the wire is blocked by the elastic protection sheet 8, the wire is prevented from being scattered from the wire harness groove 7, the clamping plate 11 is shifted downwards to slide down along the mounting groove 10, the copper wire of the wire is clamped by the plate body at one end of the clamping plate 11, the wire body is clamped and extruded in the wire body corner groove 24 by the wire harness groove 12 at the bottom end of the clamping plate 11, the wire is bent and clamped at the wire body corner groove 24, and the wire pressing rod 16 clamps the wire extruded into the clamping groove 9 after the wire pressing rod 16 descends along with the clamping plate 11, so that the wire is clamped again, namely the wire is clamped for a plurality of times, the wire is prevented from being torn when the wire is pulled, and the positioning socket 19 and the positioning socket 23 are opposite, and the elastic stay 21 and the rubber supporting block 22 are rebounded to push the positioning plug 20 into the positioning socket 23, so that limiting and fixing of the clamping plate 11 are realized.

In order to realize the storage of the idle wires, the surface of the buckle plate 1 is provided with a winding groove 25, the winding groove 25 is arranged around the buckle plate for one circle, and the idle wires are wound in the winding groove 25 for storage.

Claims

1. The utility model provides a fill electric pile voltage protection and use voltage detection device's wire connection structure, includes buckle (1), its characterized in that: the surface of the buckle plate (1) is provided with a wiring component for connecting wires, the surface of the buckle plate (1) is provided with a wire binding component, the wires connected with the wire binding component are limited, the surface of the buckle plate (1) is provided with a clamping component for clamping and fixing the wires, the surface of the buckle plate (1) is provided with a reinforcing clamping piece for limiting the buckle plate (1) after being installed, the wiring component comprises a reserved opening (2), a connecting socket (3), a connecting metal sheet (4), a notch (5) and a metal strip (6), the surface at buckle (1) is offered to reserve mouth (2), and the surface at buckle (1) is fixed to connection socket (3), connects socket (3) and reserve mouth (2) intercommunication, and connection sheetmetal (4) are equipped with two sets of, and two sets of connection sheetmetals (4) are all fixed on the surface of connecting socket (3), and the surface at connection sheetmetal (4) is offered in notch (5), and metal strip (6) are fixed on the lateral wall of two relative distributions of notch (5).

2. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 1, characterized in that: the buckle (1) is of a -shaped platy structure, inclined planes are arranged on the surfaces of two parallel side plates of the buckle (1), the two groups of inclined planes are opposite, a sealing gasket (41) is fixed on the surface of the buckle (1), the sealing gasket (41) is sleeved outside the connecting socket (3), an embedded groove (26) is formed in the top surface of the bottom plate of the buckle (1), a second rubber gasket (27) is fixed on the surface of the embedded groove (26), and the thickness of the second rubber gasket (27) is larger than the depth of the embedded groove (26).

3. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 2, characterized in that: the wire harness assembly comprises a wire harness groove (7), an elastic protection plate (8), a wire clamping groove (9), a mounting groove (10) and a wire body corner groove (24), wherein the wire harness groove (7) is formed in the surface of the buckle plate (1), the wire harness groove (7) is communicated with the mounting groove (10), the mounting groove (10) is formed in the surface of the buckle plate (1), the mounting groove (10) is communicated with the reserved opening (2), the wire body corner groove (24) is an L-shaped groove, the wire body corner groove (24) is provided with two groups, the wire body corner groove (24) is communicated with the mounting groove (10), the wire body corner groove (24) is communicated with the reserved opening (2), and the wire body corner groove (24) corresponds to the connecting metal plate (4) one by one.

4. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 3, wherein: the elastic protection plates (8) are arc-shaped strips, the elastic protection plates (8) are provided with two groups, the two groups of elastic protection plates (8) are symmetrically distributed about the wire harness grooves (7), each group of elastic protection plates (8) are provided with a plurality of elastic protection plates (8) which are distributed along the long sides of the wire harness grooves (7), the wire harness grooves (9) are arc-shaped grooves, the wire harness grooves (9) are formed in the surfaces of the wire harness grooves (7), the wire harness grooves (9) are provided with two groups, and the two groups of wire harness grooves (9) are symmetrically distributed about the centers of the wire harness grooves (7).

5. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 3, wherein: clamping assembly includes grip block (11), clamp wire groove (12), rubber gasket (13), spacing spout (14), blend stop (15), line ball pole (16) and perforation (17), grip block (11) are "T" font platy structure, the one end sliding connection of grip block (11) is in reservation mouth (2), the other end sliding connection of grip block (11) is in mounting groove (10), clamp wire groove (12) are square groove, clamp wire groove (12) are offered in the bottom surface of grip block (11), clamp wire groove (12) are equipped with two sets of, clamp wire groove (12) and line body corner groove (24) one-to-one, rubber gasket (13) are fixed at the top surface of clamp wire groove (12), the surface at grip block (11) is offered to spacing spout (14), blend stop (15) stretch into in spacing spout (14), and the both ends of blend stop (15) are fixed respectively on the top surface of mounting groove (10) and the bottom surface of mounting groove (10).

6. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 5, wherein: the wire pressing rod (16) is fixed on the bottom surface of the clamping plate (11), the wire pressing rod (16) penetrates through the through hole (17), the through hole (17) is formed in the bottom surface of the mounting groove (10), the through hole (17) is communicated with the wire binding groove (7), the clamping plate (11) descends to drive the wire pressing rod (16) to press a wire into the wire binding groove (9) to limit, and a positioning clamping piece is arranged between the clamping plate (11) and the barrier strip (15) and used for limiting and fixing the clamping plate (11).

7. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 6, wherein: the positioning clamping piece comprises a storage groove (18), a positioning inserting hole (19), a positioning inserting plate (20), elastic supporting rods (21), rubber supporting blocks (22) and positioning inserting grooves (23), wherein the storage groove (18) is formed in the surface of a clamping plate (11), two groups of storage grooves (18) are symmetrically distributed relative to a limiting sliding groove (14), the positioning inserting hole (19) is formed in the surface of the storage groove (18), the positioning inserting hole (19) is communicated with the storage groove (18) and the limiting sliding groove (14), the positioning inserting plate (20) penetrates through the positioning inserting hole (19), the positioning inserting plate (20) is of an L-shaped plate structure, one end of the positioning inserting plate (20) is fixedly provided with the elastic supporting rods (21) and the rubber supporting blocks (22), the elastic supporting rods (21) and one end of the rubber supporting blocks (22) are both fixed on the surface of the storage groove (18), the elastic supporting rods (21) are in an omega-shaped strip, the surface of the rubber supporting blocks (22) is provided with a release force opening, the positioning inserting groove (23) is formed in the surface of the stop strip (15), the surface of the stop strip (20) corresponds to the elastic supporting blocks (20) and one end of the elastic supporting blocks (22) is deformed when the positioning inserting plate (20) is pressed against one end of the elastic supporting blocks (20), after the clamping plate (11) descends, the positioning inserting plate (20) is inserted into the positioning inserting groove (23), and the clamping plate (11) is limited and fixed.

8. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 7, characterized in that: the reinforcing clamping piece comprises an assembling groove (28), a through hole (29), a clamping block (30), a pressing piece (31), a rubber traction belt (32), a baffle plate (33), an assembling plate (34), a side groove (35), a guide strip (36), a sliding rail groove (37), a stop block (38), a finger groove (39), a rubber clamping strip (40) and a movable groove (42), wherein the assembling groove (28) is formed in the top surface of the buckle plate (1), the through hole (29) is formed in the surface of the assembling groove (28), the clamping block (30) is movably inserted into the through hole (29), one end of the clamping block (30) extending into the assembling groove (28) is provided with an inclined surface, the inclined surface faces the assembling plate (34), the assembling plate (34) is connected in the assembling groove (28) in a sliding mode, the pressing piece (31) is fixed on the surface of the clamping block (30), the pressing plate (31) is in an I-shaped structure, two ends of the rubber traction belt (32) are respectively fixed on two parallel side walls of the movable groove (42), two opposite side walls (33) of the pressing plate (31) are arranged on the two sides of the baffle plate (35), the side groove (35) slides along the guide strip (36), the guide strip (36) is fixed on the side wall of the assembly groove (28), the surface of the assembly plate (34) is arranged in the sliding rail groove (37), the stop block (38) penetrates through the sliding rail groove (37) and then is fixed on the surface of the assembly groove (28), the finger groove (39) is a semicircular groove, the finger groove (39) is communicated with the sliding rail groove (37), the rubber clamping strip (40) is fixed on the surface of the guide strip (36), and the rubber clamping strip (40) is clamped between the guide strip (36) and the side groove (35).

9. The wire connection structure of a voltage detection device for voltage protection of a charging pile according to claim 1, characterized in that: the surface of the buckle plate (1) is provided with a winding groove (25), and the winding groove (25) is arranged around the buckle plate for a circle.