CN221262720U - Spring plate type wire-to-be-connected structure - Google Patents

Abstract

The utility model discloses a spring piece type structure to be connected, which comprises an insulating body with a containing cavity and a connecting hole, a conductive terminal with a conductive contact surface, a spring piece with an elastic cantilever structure, a handle and a spring piece positioning mechanism, wherein the conductive contact surface of the spring piece and the conductive terminal jointly form a wire clamping conduction structure for clamping a wire inserted through a connecting jack, the handle can drive the spring piece to move so as to open the wire clamping conduction structure, the spring piece positioning mechanism comprises an unlocking trigger arm and a limiting arm which can move in the containing cavity and a reset elastic piece which can provide elastic reset force for the limiting arm and the unlocking trigger arm to restore an initial state, the spring piece can stop on the surface of the limiting arm so as to keep the wire clamping conduction structure in an open state, and the end part of the wire entering the containing cavity through the connecting hole can trigger the unlocking trigger arm after being inserted to a specified depth so as to enable the limiting arm to move away from the blocking of the other end of the spring piece.

Description

Spring plate type wire-to-be-connected structure

Technical Field

The present utility model relates to connectors, and more particularly to a spring type to-be-wired structure.

Background

The conventional shrapnel type to-be-wired structure is as follows: one end of the elastic sheet is fixedly positioned with the conductive terminal or the insulating body, the other end of the elastic sheet forms a cantilever structure, the cantilever structure is matched with a conductive contact surface of the conductive terminal to clamp and conduct a wire inserted from a wiring hole, when the wire is connected and withdrawn, an external tool or a handle is needed to be used for pressing the elastic sheet to deform and loosen the wire, and the elastic sheet has automatic elastic resetting capability, so that the wire is connected while the external tool or the handle is needed to be pressed when the wire is connected and withdrawn, the wire connection and withdrawal are inconvenient, time is consumed, and the construction efficiency is difficult to improve.

Disclosure of utility model

In order to overcome the defects, the utility model provides the spring piece type to-be-wired structure, which can realize one-hand wiring and wire withdrawal, and is simple in structure and convenient to operate.

The utility model adopts the technical scheme for solving the technical problems: the utility model provides a wiring structure is waited to shell fragment formula, includes insulator, conductive terminal, shell fragment and hand (hold), inside being formed with of insulator holds the cavity, be equipped with on the insulator lateral wall with hold the wiring hole of cavity intercommunication, conductive terminal fixed plug locates be equipped with conductive contact surface on holding the one end in the cavity, be the fixed location of shell fragment one end of elasticity cantilever structure in holding the cavity, the shell fragment other end can form the clamp line conduction structure jointly with conductive contact surface of conductive terminal, clamp line conduction structure can press from both sides tightly through wiring jack male wire circumference outside surface, and the hand (hold) can install on insulator that can move, and the hand (hold) can drive the shell fragment other end and keep away from conductive contact surface direction elastic motion of conductive terminal and open clamp line conduction structure, still be equipped with a shell fragment positioning mechanism in holding the cavity, shell fragment positioning mechanism includes unblock trigger arm, spacing arm and reset elastic component, the locating that unblock trigger arm and spacing arm can move respectively holds in the cavity, the shell fragment other end can stop in spacing arm surface makes clamp line structure keep open state, unblock trigger arm initial state can be stopped entering the wire through the wiring hole entering into the position-stop after the wire hole orientation elastic terminal is held in the cavity, can be stopped the initial trigger arm can be stopped the tip after the initial trigger arm is reset, the tip is passed through the reset to the reset arm and can be stopped to the position the tip is moved in the position of the elastic arm.

As a further improvement of the utility model, the unlocking trigger arm and the limiting arm form an L-shaped bending structure with an integrated structure, and the L-shaped bending structure can be installed in the accommodating cavity along the insertion direction of the lead in a reciprocating sliding way by a set distance or can swing in a reciprocating way in the bending direction by a set angle.

As a further improvement of the utility model, a chamfer-shaped first guiding inclined surface is formed at the end part of the limiting arm towards the side of the conductive contact surface of the conductive terminal, and a chamfer-shaped second guiding inclined surface is formed at the other end of the elastic piece back to the side of the conductive contact surface.

As a further improvement of the utility model, an obtuse included angle is formed between the unlocking trigger arm and the limiting arm.

As a further improvement of the utility model, one end of the unlocking trigger arm far away from the limiting arm is fixedly connected with the inner side wall of the accommodating cavity of the insulating body, the unlocking trigger arm forms an elastic cantilever structure capable of elastically swinging in the wire inserting direction, and the root part of the elastic deformation of the unlocking trigger arm forms a reset elastic piece to provide elastic reset force for the unlocking trigger arm.

As a further improvement of the utility model, the limiting arm forms an elastic cantilever structure taking the joint of the limiting arm and the unlocking trigger arm as the root, the side wall of the limiting arm is provided with a convex limiting block, the side wall of one end of the conducting terminal inserted into the accommodating cavity or the side wall of the insulating body is provided with a limiting groove, and the limiting block on the limiting arm can be inserted into the limiting groove in a moving way within a set range.

As a further improvement of the utility model, a positioning slot with an opening direction opposite to the opening direction of the wiring hole is formed on the inner side wall of the accommodating cavity of the insulating body, one end of the unlocking trigger arm, which is opposite to the limiting arm, is bent to form a positioning arm, the positioning arm is tightly inserted into the positioning slot, a supporting plane is also arranged in the accommodating cavity, the bending part of the unlocking trigger arm, which is connected with the positioning arm, is tightly abutted against the supporting plane, a set avoiding distance exists between the end, which is connected with the limiting arm, of the unlocking trigger arm and the supporting plane, and the unlocking trigger arm is stopped on the surface of the supporting plane.

As a further improvement of the utility model, the reset elastic piece is a pressure spring or a tension spring which elastically deforms along the wire inserting direction, one end of the pressure spring or the tension spring is connected with the inner side wall of the accommodating cavity of the insulating body, the other end of the pressure spring or the tension spring is connected with the unlocking trigger arm, and the pressure spring or the tension spring provides elastic reset force along the wire inserting direction for the unlocking trigger arm, so that the unlocking trigger arm linearly reciprocates along the wire inserting direction or makes the unlocking trigger arm reciprocate by taking the tension spring or the pressure spring as a fulcrum.

As a further improvement of the utility model, a limit slot with an opening direction opposite to the opening direction of the wiring hole is formed in the accommodating cavity of the insulating body, one end of the unlocking trigger arm, which is opposite to the limit arm, is bent to form a limit swing arm, the limit swing arm is inserted into the limit slot, the limit swing arm can slide back and forth for a set distance along the depth direction of the limit slot and can swing back and forth for a set angle along the width direction of the limit slot, a limit supporting block opposite to the opening of the limit slot is arranged in the accommodating cavity of the insulating body, a spring slot is formed on the limit supporting block, one end of a pressure spring is inserted into the spring slot, the other end of the pressure spring extends out of the surface of the limit supporting block and tightly abuts against the surface of the unlocking trigger arm, which is opposite to the wiring hole, and the surface of the unlocking trigger arm is stopped on the surface of the limit supporting block.

As a further improvement of the utility model, a handle slideway is formed on the insulating body and communicated with the accommodating cavity, one end of the handle can be inserted into the handle slideway in a reciprocating sliding manner, the other end of the handle stretches into the accommodating cavity and can tightly prop against the surface of one side of the elastic sheet facing the conductive contact surface, a guide lug is fixedly arranged on the side wall of the other end of the handle, a section of guide chute is arranged in the accommodating cavity of the insulating body, the guide lug can be inserted into the guide chute in a sliding manner, one end of the guide lug facing the opening direction of the handle slideway is stopped on the inner side wall of the guide chute, and a handle limit stop block is also arranged in the accommodating cavity of the insulating body, and one end of the handle facing the accommodating cavity is stopped on the handle limit stop block.

The beneficial effects of the utility model are as follows: according to the utility model, the elastic piece positioning mechanism is arranged in the insulating body, when the handle drives the other end of the elastic piece to move towards the direction far away from the conductive contact surface, the limiting arm of the elastic piece positioning mechanism can stop the elastic piece to reset, so that the other end of the elastic piece is kept in a state of loosening the wire, at the moment, a channel between the elastic piece and the conductive contact surface can be kept in an open state, the wire can be conveniently inserted into or withdrawn from the wire, the wire connection and withdrawal of the wire can be realized by one hand without pressing the unlocking handle in the operation process, the operation is convenient, when the wire is inserted into a certain depth, the wire can trigger the unlocking trigger arm, and then the limiting arm is driven to move to a blocking position, so that the elastic piece loses blocking and automatically resets to clamp the wire.

Drawings

FIG. 1 is a front view of a prior art construction principle;

FIG. 2 is a front view of a first configuration of the present utility model in an initial state;

FIG. 3 is a front view of a first configuration of the present utility model in a ready-to-wire condition;

FIG. 4 is a front view of a first construction wiring configuration of the present utility model;

FIG. 5 is a front view of the first configuration of the present utility model in the off-line state;

FIG. 6 is a perspective view of a plastic cover of a first construction according to the present utility model;

FIG. 7 is a perspective view of a handle of a first construction of the present utility model;

FIG. 8 is a perspective view of a spring positioning mechanism of a first construction according to the present utility model;

fig. 9 is a first perspective view of a conductive terminal of a first construction of the present utility model;

fig. 10 is a second perspective view of the conductive terminal of the first structure of the present utility model;

FIG. 11 is a perspective view of a spring plate of a first construction according to the present utility model;

fig. 12 is a front view of a second construction of the present utility model in an initial state;

FIG. 13 is a front view of a second configuration of the present utility model in a ready-to-wire condition;

FIG. 14 is a front view of a second construction of the present utility model in a wiring state;

FIG. 15 is a front view of a second embodiment of the present utility model;

FIG. 16 is a perspective view of a plastic body of a second construction according to the present utility model;

FIG. 17 is a perspective view of a spring positioning mechanism of a second construction of the present utility model;

fig. 18 is a first perspective view of a conductive terminal of a second construction of the present utility model;

fig. 19 is a second perspective view of a conductive terminal of a second construction of the present utility model.

Detailed Description

Examples: a spring plate type to-be-wired structure comprises an insulating body 1, a conductive terminal 2, a spring plate 3 and a handle 4, wherein a containing cavity 11 is formed in the insulating body 1, a wiring hole 12 communicated with the containing cavity 11 is formed in the side wall of the insulating body 1, the conductive terminal 2 is fixedly inserted into one end in the containing cavity 11, a conductive contact surface 21 is arranged at one end of the spring plate 3 in an elastic cantilever structure, the other end of the spring plate 3 can form a wire clamping conduction structure together with the conductive contact surface 21 of the conductive terminal 2, the wire clamping conduction structure can clamp the circumferential outer surface of a wire 5 inserted through the wiring jack, the handle 4 can be movably arranged on the insulating body 1, the handle can drive the other end of the spring plate 3 to elastically move towards the direction of the conductive contact surface 21 far away from the conductive terminal 2 so as to open the wire clamping conduction structure, the accommodating cavity 11 is internally provided with an elastic piece positioning mechanism which comprises an unlocking trigger arm 6, a limiting arm 7 and a reset elastic piece, wherein the unlocking trigger arm 6 and the limiting arm 7 are respectively movably arranged in the accommodating cavity 11, the other end of the elastic piece 3 can stop on the surface of the limiting arm 7 to keep the wire clamping conducting structure in an open state, the initial state of the unlocking trigger arm 6 stops on a feeding path of a wire 5 entering the accommodating cavity 11 through a wiring hole 12, the end part of the wire 5 entering the accommodating cavity 11 through the wiring hole 12 can trigger the unlocking trigger arm 6 after being inserted into a designated depth, the unlocking trigger arm 6 can enable the limiting arm 7 to move to be separated from the blocking of the other end of the elastic piece 3 after being triggered, the reset elastic piece can provide elastic reset force for the limiting arm 7 and the unlocking trigger arm 6 to restore to the initial state.

In the initial state, the elastic sheet 3 and the conductive contact surface 21 form a wire clamping conduction structure together, and the unlocking trigger arm 6 is just positioned on the feeding path of the lead 5;

When wiring, the other end of the spring plate 3 is driven to elastically rotate and deform in the direction away from the conductive contact surface 21 by the handle, when the other end of the spring plate 3 rotates for a certain angle, the other end of the spring plate 3 is blocked and positioned by the limiting arm 7, at the moment, the spring plate 3 keeps a state of conducting the wire clamping conducting structure, the handle can be loosened, a single hand inserts the wire 5 through the wiring hole 12, after the wire 5 is inserted for a certain depth, the end part of the wire 5 triggers the unlocking trigger arm 6, the unlocking trigger arm 6 is triggered to move in linkage with the limiting arm 7, the limiting arm 7 is separated from blocking the other end of the spring plate 3 after moving, and the spring plate 3 automatically resets under the action of self elasticity to clamp the wire 5;

When the wire is withdrawn, the other end of the elastic sheet 3 is driven by the handle to elastically rotate and deform in the direction away from the conductive contact surface 21, the elastic sheet 3 loosens the wire 5, the unlocking trigger arm 6 and the limiting arm 7 are reset to the initial state under the action of the resetting elastic piece, the other end of the elastic sheet 3 rotating a certain angle is blocked and positioned by the limiting arm 7, at the moment, the elastic sheet 3 keeps the state of conducting the wire clamping conducting structure, the handle can be loosened, and the wire 5 is pulled out by one hand through the wiring hole 12;

The overall structure of the connector to be connected is simple, the elastic sheet 3 can be kept in an open state when the connection and the disconnection are carried out, the operation of one-hand connection and disconnection can be realized, the connection and disconnection construction are convenient, and the construction efficiency is greatly improved.

The unlocking trigger arm 6 and the limiting arm 7 form an L-shaped bending structure of an integrated structure, the L-shaped bending structure can be installed in the accommodating cavity 11 along the insertion direction of the lead 5 in a reciprocating sliding mode by a set distance, or the L-shaped bending structure can be installed in the accommodating cavity 11 in a reciprocating swinging mode in the bending direction by a set angle. The lock trigger arm 6 and the limit arm 7 form an integral structure, when the unlock trigger arm 6 is pressed against the wire 5 to move, the limit arm 7 can synchronously move with the wire, so as to realize the blocking contact of the spring plate 3, meanwhile, after the wire withdrawal is finished, the unlock trigger arm 6 elastically resets, and simultaneously, the limit arm 7 synchronously resets.

The end of the limiting arm 7 is provided with a chamfer-shaped first guiding inclined plane 71 facing to the side of the conductive contact surface 21 of the conductive terminal 2, and the other end of the elastic sheet 3 is provided with a chamfer-shaped second guiding inclined plane 31 facing away from the side of the conductive contact surface 21. The other end of the spring plate 3 rotates to be contacted with the end part of the limiting arm 7 through an inclined plane, so that the situation that the clamping cannot be smoothly in place is prevented.

An obtuse included angle is formed between the unlocking trigger arm 6 and the limiting arm 7. The obtuse angle is favorable for the other end of the spring plate 3 to smoothly reach the side of the limiting arm 7, which is opposite to the conductive contact surface 21, and stably blocks the spring plate 3, and in addition, a right angle can be formed between the unlocking trigger arm 6 and the limiting arm 7.

The unlocking trigger arm 6 is far away from spacing arm 7 one end and the interior side wall fixed connection of holding cavity 11 of insulator 1, unlocking trigger arm 6 forms the elasticity cantilever structure that can be at wire 5 direction of inserting elastic oscillation, unlocking trigger arm 6 elastic deformation's root forms the elastic component that resets and provides elasticity restoring force for itself.

The unlocking trigger arm 6 forms a cantilever structure, and after being pressed by the lead 5, the unlocking trigger arm generates swinging linkage limiting arm 7 to move, and after the pressure of the lead 5 is lost, the unlocking trigger arm drives the limiting arm 7 to synchronously reset under the action of self elastic force, so that additional elastic reset parts are saved, the structure is simple, and the occupied space is smaller.

The limiting arm 7 forms an elastic cantilever structure taking the joint of the limiting arm 7 and the unlocking trigger arm 6 as a root, an outwards protruding limiting block 72 is arranged on the side wall of the limiting arm 7, the conductive terminal 2 is inserted on the side wall of one end in the accommodating cavity 11 or the inner side wall of the insulating body 1, a limiting groove 22 is arranged on the side wall of the insulating body, and the limiting block 72 on the limiting arm 7 can be inserted in the limiting groove 22 in a moving mode within a set range. The limiting arm 7 also forms an elastic cantilever structure, which is favorable for the other end of the elastic sheet 3 to move relative to the elastic sheet, and simultaneously, the limiting block 72 moves in the limiting groove 22 to avoid the failure caused by plastic deformation due to overlarge movement quantity.

The insulation body 1 holds and is formed with a locating slot 13 of opening direction and wiring hole 12 opening opposite direction on the cavity 11 inside wall, unlocking trigger arm 6 is formed with a locating arm 61 through bending in the spacing arm 7 one end dorsad, locating arm 61 inserts closely and locates in locating slot 13, hold still be equipped with a supporting plane 14 in the cavity 11, the department of bending that unlocking trigger arm 6 and locating arm 61 link up supports tightly on the supporting plane 14, unlocking trigger arm 6 with spacing arm 7 link up one end with exist to become the distance of dodging of settlement between the supporting plane 14, unlocking trigger arm 6 backstop in supporting plane 14 surface.

The insulating body 1 is optimally composed of a plastic main body 100 and a plastic cover body 200, a wiring hole 12 and a positioning slot 13 are formed in the plastic main body, a containing cavity 11 is formed in the plastic main body to form a structure with one end open, a supporting plane 14 is formed on the plastic cover body, after the plastic cover body and the plastic main body are spliced, buckled and positioned, the unlocking trigger arm 6 is limited by the supporting plane 14, the root of the unlocking trigger arm is supported, and meanwhile, the containing cavity 11 is closed, and the electric conduction pawn, one of the pieces in Chinese chess is fixedly positioned.

The elastic return piece is a pressure spring 8 or a tension spring which elastically deforms along the insertion direction of the lead 5, one end of the pressure spring 8 or the tension spring is connected with the inner side wall of the accommodating cavity 11 of the insulation body 1, the other end of the pressure spring 8 or the tension spring is connected with the unlocking trigger arm 6, and the pressure spring 8 or the tension spring provides elastic return force along the insertion direction of the lead 5 for the unlocking trigger arm 6, so that the unlocking trigger arm 6 linearly reciprocates along the insertion direction of the lead 5 or the unlocking trigger arm 6 swings reciprocally with the tension spring or the pressure spring 8 as a fulcrum.

The spring 8 or the tension spring provides elastic force along the wire inlet direction for the unlocking trigger arm 6, so that the unlocking trigger arm 6 can float in the wire inlet direction, and can swing back and forth in a certain range by taking the tension spring or the tension spring 8 as a fulcrum, thereby avoiding and blocking the other end of the elastic sheet 3.

The inside spacing slot 15 that is formed with the opening direction opposite with wiring hole 12 opening direction of holding cavity 11 of insulator 1, unlocking trigger arm 6 is formed with a spacing swing arm 62 through bending in spacing arm 7 one end dorsad, spacing swing arm 62 inserts and locates in spacing slot 15, spacing swing arm 62 can follow spacing slot 15 depth direction reciprocal slip setting distance and can follow spacing slot 15 width direction reciprocal swing setting angle, be equipped with a spacing supporting shoe 16 just facing with spacing slot 15 opening in holding cavity 11 of insulator 1, be formed with spring slot 17 on the spacing supporting shoe 16, pressure spring 8 one end inserts and locates in the spring slot 17, the pressure spring 8 other end stretches out spacing supporting shoe 16 surface and tightly support unlocking trigger arm 6 dorsad 12 one side surface, unlocking trigger arm 6 dorsad 12 one side surface backstop in spacing supporting shoe 16 surface. A spring limiting column 171 can be further arranged in the spring slot 17 and used for guiding the pressure spring 8, and the limiting swing arm 62 which is formed by bending the unlocking trigger arm 6 into a whole can slide up and down and swing left and right in the limiting slot 15, so that the limiting arm 7 can avoid and block the other end of the elastic sheet 3.

The insulation body 1 is provided with a handle slideway 18 communicated with the accommodating cavity 11, one end of the handle can be inserted in the handle slideway 18 in a reciprocating sliding manner, the other end of the handle stretches into the accommodating cavity 11 and can tightly abut against one side surface of the elastic sheet 3 towards the conductive contact surface 21, the side wall of the other end of the handle is fixedly provided with a guide lug 41, the accommodating cavity 11 of the insulation body 1 is internally provided with a section of guide chute 19, the guide lug 41 can be inserted in the guide chute 19 in a sliding manner, one end of the guide lug 41 towards the opening direction of the handle slideway 18 is stopped on the inner side wall of the guide chute 19, the accommodating cavity 11 of the insulation body 1 is also internally provided with a handle limit stop 20, and one end of the handle towards the accommodating cavity 11 is stopped on the handle limit stop. The best height that sets for in insulator 1 outside of stretching out of hand (hold) one end, the operation of being convenient for, the best push down groove 42 that is formed with confession hardware tool on the hand (hold) one end terminal surface, the best shell fragment 3 holding tank 43 that is used for dodging and holds shell fragment 3 one end that is formed with on the hand (hold) lateral wall, through the hand (hold) slide from top to bottom, the deformation of pushing up the shell fragment 3 other end swing, in addition, the hand (hold) also can realize the deformation of stirring to the shell fragment 3 other end through rotating.

Claims (10)

1. The utility model provides a wiring structure is waited to shell fragment, includes insulator (1), conductive terminal (2), shell fragment (3) and handle (4), inside being formed with of insulator holds cavity (11), be equipped with on the insulator lateral wall with hold wiring hole (12) of cavity intercommunication, conductive terminal fixed the inserting locate be equipped with conductive contact surface (21) on holding the one end in the cavity, be elastic cantilever structure's shell fragment one end fixed location hold in the cavity, the shell fragment other end can form clamp line conduction structure jointly with conductive terminal's conductive contact surface, clamp line conduction structure can press from both sides tightly through wiring jack male wire (5) circumference outside surface, the installation that the handle can move on insulator, the handle can drive the shell fragment other end and keep away from conductive contact surface direction elastic motion and open clamp line conduction structure, its characterized in that: still be equipped with a shell fragment positioning mechanism in holding the cavity, shell fragment positioning mechanism includes unblock trigger arm (6), spacing arm (7) and elastic component that resets, in locating the holding cavity that unblock trigger arm and spacing arm can move respectively, the shell fragment other end can stop in spacing arm surface messenger's clamp line switch-on structure keeps open state, unblock trigger arm initial state stop is on getting into the wire feeding route that holds the cavity through the wiring hole, can trigger the unblock trigger arm after inserting appointed degree of depth through the wire tip in the wiring hole entering holding cavity, the unblock trigger arm can make spacing arm motion break away from the blocking to the shell fragment other end after being triggered, elastic component that resets can provide the elasticity restoring force of recovering initial state for spacing arm and unblock trigger arm.

2. The spring leaf type to-be-wired structure according to claim 1, wherein: the unlocking trigger arm and the limiting arm form an L-shaped bending structure of an integrated structure, the L-shaped bending structure can be installed in the accommodating cavity along the wire inserting direction in a reciprocating sliding mode by a set distance, or the L-shaped bending structure can be installed in the accommodating cavity along the bending direction in a reciprocating swinging mode by a set angle.

3. The spring type wiring structure according to claim 2, wherein: a first chamfer-shaped guide inclined surface (71) is formed at the end part of the limiting arm towards one side of the conductive contact surface of the conductive terminal, and a second chamfer-shaped guide inclined surface (31) is formed at the other end of the elastic piece back to the arm at one side of the conductive contact surface.

4. The spring type wiring structure according to claim 2, wherein: an obtuse included angle is formed between the unlocking trigger arm and the limiting arm.

5. The spring type wiring structure according to claim 2, wherein: the unlocking trigger arm is far away from limiting arm one end and is fixedly connected with the inner side wall of the accommodating cavity of the insulating body, the unlocking trigger arm forms an elastic cantilever structure capable of elastically swinging in the wire inserting direction, and the root part of the elastic deformation of the unlocking trigger arm forms a reset elastic piece to provide elastic reset force for the unlocking trigger arm.

6. The spring leaf type to-be-wired structure according to claim 5, wherein: the limiting arm forms an elastic cantilever structure taking the joint of the limiting arm and the unlocking trigger arm as a root, an outwards protruding limiting block (72) is arranged on the side wall of the limiting arm, a limiting groove (22) is formed in the side wall of one end in the accommodating cavity or in the inner side wall of the insulating body, and the limiting block on the limiting arm can move in a set range and is inserted in the limiting groove.

7. The spring leaf type to-be-wired structure according to claim 5, wherein: a positioning slot (13) with an opening direction opposite to the opening direction of the wiring hole is formed in the inner side wall of the accommodating cavity of the insulating body, a positioning arm (61) is formed at one end of the unlocking trigger arm, which is opposite to the limiting arm, through bending, the positioning arm is tightly inserted into the positioning slot, a supporting plane (14) is further arranged in the accommodating cavity, the bending part of the unlocking trigger arm, which is connected with the positioning arm, is tightly abutted to the supporting plane, a set avoiding distance exists between one end of the unlocking trigger arm, which is connected with the limiting arm, and the supporting plane, and the unlocking trigger arm is stopped on the surface of the supporting plane.

8. The spring type wiring structure according to claim 2, wherein: the elastic return piece is a pressure spring (8) or a tension spring which elastically deforms along the wire inserting direction, one end of the pressure spring or the tension spring is connected with the inner side wall of the accommodating cavity of the insulating body, the other end of the pressure spring or the tension spring is connected with the unlocking trigger arm, and the pressure spring or the tension spring provides elastic return force along the wire inserting direction for the unlocking trigger arm, so that the unlocking trigger arm linearly reciprocates along the wire inserting direction or makes the unlocking trigger arm reciprocate by taking the tension spring or the pressure spring as a fulcrum.

9. The spring leaf type to-be-wired structure according to claim 8, wherein: the utility model discloses a wire connection hole, including insulating body, the holding cavity inboard that holds of insulating body is formed with a spacing slot (15) of opening direction and wiring hole opening opposite direction, unblock trigger arm is formed with a spacing swing arm (62) through bending back spacing arm one end, spacing swing arm inserts and locates in the spacing slot, spacing swing arm can follow spacing slot depth direction reciprocal slip setting distance and can follow spacing slot width direction reciprocal swing setting angle, insulating body hold be equipped with one in the cavity spacing supporting shoe (16) just right with spacing slot opening, be formed with spring slot (17) on the spacing supporting shoe, the pressure spring one end inserts and locates in the spring slot, the pressure spring other end stretches out spacing supporting shoe surface and tightly support unblock trigger arm back wiring hole one side surface, unblock trigger arm back wiring hole one side surface backstop in spacing supporting shoe surface.

10. The spring type wiring structure according to claim 9, wherein: the insulation body is provided with a handle slideway (18) communicated with the accommodating cavity, one end of the handle can be inserted in the handle slideway in a reciprocating sliding manner, the other end of the handle stretches into the accommodating cavity and can tightly resist against the elastic sheet to face one side of the conductive contact surface, the side wall of the other end of the handle is fixedly provided with a guide lug (41), the accommodating cavity of the insulation body is internally provided with a section of guide chute (19), the guide lug can be inserted in the guide chute in a sliding manner, the guide lug faces one end of the opening direction of the handle to stop on the inner side wall of the guide chute, the accommodating cavity of the insulation body is internally provided with a handle limit stop block (20), and the handle faces one end stop of the accommodating cavity to stop on the handle limit stop block.