CN117424030A

CN117424030A - Precise terminal connector

Info

Publication number: CN117424030A
Application number: CN202311746039.3A
Authority: CN
Inventors: 郑小伟; 刘学文
Original assignee: HOKY PRECISION COMPONENTS (SHENZHEN) Ltd
Current assignee: HOKY PRECISION COMPONENTS (SHENZHEN) Ltd
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2024-01-19

Abstract

The invention relates to the field of circuit wiring, and discloses a precise terminal connector which comprises an outer shell, wherein an inner frame body is arranged in the outer shell, two sets of wiring mechanisms and a connecting assembly arranged between the two sets of wiring mechanisms are arranged on the inner frame body, each wiring mechanism comprises a wiring member and a limiting member, two ends of the outer shell are respectively provided with an avoidance opening, each wiring member comprises a wiring post hinged on the inner frame body, one end of each wiring post is opened and passes through each avoidance opening, the other end of each wiring post is closed, a side surface of each wiring post is provided with a side hole communicated with a wiring cavity, a pressing body is slidably arranged in each side hole, an elastic piece is arranged between each pressing body and the hole wall of each side hole, one side of each pressing body, which is far away from each wiring cavity, is provided with a protrusion, the tail end of each pressing body extends out of each side hole, an abutting plate is slidably arranged on the inner frame body, each abutting plate is provided with a spring I, and the abutting plate is in a compression state and is attached to the closed end of each wiring post under the elastic action of the spring I.

Description

Precise terminal connector

Technical Field

The invention relates to the field of circuit wiring, in particular to a precise terminal connector.

Background

The terminal connector is a device specially used as a wire in an electrical process, and is an indispensable component in electronic equipment, in which a bridge for communication is established between a blocked or isolated circuit in the circuit to allow current to flow.

When the existing connector is used, the outer skin of the end part of the electric wire is removed by using tools such as a knife and the like, then a copper wire is plugged into a connecting hole of the connector, then a screw is screwed by using tools such as a screwdriver and the like, and similarly, when the connector is disassembled, the screw is unscrewed firstly, and then the electric wire is pulled out, so that the use mode has some defects: 1. the connector is inconvenient to operate because tools such as a screwdriver are needed, the tools are needed to be operated with both hands, further, in real life, the connector is sometimes located in a relatively narrow space, a screw hole and a connecting hole on the connector are mutually perpendicular, one of the screw hole and the connecting hole is located on one outward side of the connector, and the other screw hole is located on the side face of the connector, so that the situation that a copper wire of an electric wire is difficult to insert into the connecting hole or the screw is inconvenient to screw, namely, wiring or wire stripping is inconvenient; 2. when the wire is stripped, the outer skin removed by an inexperienced electrician is easy to be cut off by one section or one section, the outer skin of the electrician needs to be continuously stripped off by one section, and the copper wire of the electrician needs to be cut off by one section; 3. whether wiring or disconnecting is carried out, firstly, power-off treatment is needed, and if an electrician forgets to power off, the following wiring or disconnecting is easy to cause safety accidents; in combination, the existing connectors have problems of inconvenient operation and poor safety when in use.

Based on the above, the present invention provides a precision terminal connector.

Disclosure of Invention

In order to solve the problems mentioned in the background above, the present invention provides a precision terminal connector.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The precise terminal connector comprises an outer shell, an inner frame body is arranged in the outer shell, two groups of wiring mechanisms which are symmetrically arranged are arranged on the inner frame body, the two groups of wiring mechanisms are connected in a conductive mode through a connecting assembly, the wiring mechanisms comprise wiring members and limiting members, and avoidance ports are formed in two ends of the outer shell along the length direction;

the wiring component comprises a wiring terminal which is hinged on an inner frame body, a hinge shaft formed at the hinge position is parallel to the thickness direction of an outer shell body, the wiring terminal is parallel to the width direction of the outer shell body, one end of the wiring terminal is opened and penetrates through an avoidance opening, the other end of the wiring terminal is closed, an inner cavity of the wiring terminal is named as a wiring cavity, a side hole communicated with the wiring cavity is formed in the side face of the wiring terminal, a pressing body is slidably mounted in the side hole, an elastic sheet is arranged between the pressing body and the hole wall of the side hole, the elastic sheet is used for enabling the pressing body to be far away from the wiring cavity, a bulge is arranged on one side of the pressing body, which is far away from the wiring cavity, and the tail end of the bulge stretches out of the side hole;

the wiring component further comprises a collision plate which is slidably arranged on the inner frame body along the width direction of the outer shell, a first spring is arranged on one side of the collision plate, and initially, the first spring is in a compressed state and is attached to the closed end of the wiring terminal under the action of the elastic force of the first spring.

Further, the wiring cavity is divided into an upper cylindrical section, a middle cylindrical section and a lower pressing holding section along the axial lead direction, the diameter of the upper cylindrical section is larger than that of the middle cylindrical section, an unpeeled wire can extend into the upper cylindrical section but cannot extend into the middle cylindrical section, and a copper wire of the peeled wire can extend into the middle cylindrical section and the lower pressing holding section.

Further, the limiting member is positioned between the wiring members in the two sets of wiring mechanisms;

the limiting member comprises a sliding seat, a clamping block and a gear, wherein the sliding seat is arranged on the inner frame body in a sliding manner along the length direction of the outer shell, the clamping block is arranged on the inner frame body in a sliding manner along the width direction of the outer shell, the gear is arranged outside the hinge shaft, a rack is extended on the sliding seat along the sliding direction of the sliding seat, the rack is meshed with the gear, and a spring II is arranged on one side, away from the wiring member, of the sliding seat;

a sliding block is slidably arranged on the sliding seat along the width direction of the outer shell, a spring III is arranged between the sliding block and the sliding seat, one side of the sliding block, which is away from the wiring member, is provided with a first inclined plane, and the distance between the first inclined plane and the axis of the wiring terminal is gradually decreased from bottom to top along the vertical direction;

the clamping block is provided with a second inclined plane parallel to the first inclined plane, and the second inclined plane is positioned on one side of the first inclined plane, which is away from the binding post.

Further, install the threaded rod that is on a parallel with outer casing width direction on the interior support body, threaded rod and fixture block threaded connection and the one end of threaded rod stretch out outer casing and be provided with the knob.

Further, the connection assembly includes a first wire connection disposed between the interference plates in the two sets of wire connection mechanisms.

Further, the connecting assembly comprises a protective shell, the extending direction of which is parallel to the length direction of the outer shell, and the two ends of the protective shell are provided with protective components;

the inner frame body is provided with a trigger block which moves along the length direction of the outer shell in a sliding manner, one side of the trigger block, which is away from the protective shell, is provided with a third inclined plane which is parallel to the first inclined plane, one end of the protective component is positioned in the protective shell, and the other end of the protective component is in contact with the trigger block;

the connecting assembly further comprises a first wiring connected with the interference plate, connection is achieved between the first wiring through a second wiring, the second wiring is located in the protective shell, and the resistance of the second wiring is larger than that of the first wiring.

Further, the protection component comprises trigger rings which are slidably arranged in the protection shell, trigger rods extend from one sides of the two trigger rings, and the tail ends of the trigger rods extend out of the protection shell and are in contact with the trigger blocks;

the inner frame body is provided with a spring five, the elastic force of the spring five is used for driving the trigger block to be close to the protective shell, and one side of the two trigger rings, which are opposite, is provided with a spring four.

Further, a bimetallic strip is arranged between the two trigger rings.

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

1. after an electrician inserts the electric wire into the wiring cavity of the wiring terminal by one hand, the wiring terminal is directly stirred by the hand to enable the wiring terminal to rotate ninety degrees, wiring can be completed by one hand, and the operation is simpler, more convenient and faster;

further, in the initial, the opening in wiring chamber of terminal is towards the external world, and electrician just can insert the wiring intracavity with the electric wire very easily to follow-up wiring process need not the screwdriver, only need stir the terminal can, further improved succinct, the convenience and the rapidity of wiring action.

2. In this scheme, the special structural design of wiring component can also play the effect of reinforcing security, and the concrete expression is in:

a. in the wiring process, as the avoidance port is narrow, an electrician can not insert the finger, and only the wiring terminal is required to be stirred, even if the circuit is not powered off, the electrician is difficult to be subjected to electric shock injury in the wiring process, namely, the scheme can be used for electrified wiring;

b. in the disconnecting process, an electrician rotates the knob to enable the wiring member to be switched into a disconnecting state, at the moment, the pressing body is separated from contact with the abutting plate, and the pressing body is disconnected from the abutting plate, so that even if a circuit is not powered off, the inside of the connector can be automatically powered off in the disconnecting process, and electric shock injury is difficult to be caused to the electrician in the disconnecting process.

3. The wire copper wire in the wire connecting cavity is pressed by the pressing body through the pushing of the elastic force of the first spring, so that the self-adaptive copper wire thickness can be achieved, and the copper wire can be firmly pressed in and out.

4. Electrician's when skinning the electric wire, skinning length can between h1-h2, h1 refers to the length sum of well cylinder section and pushing down the section of holding, and h2 refers to the length of wiring chamber, so electrician can have the error range when skinning, reduces the degree of difficulty of skinning to after accomplishing the wiring, because the electric wire part of not skinning is located the cylinder section, so do not have the copper line and expose outside problem, the security is better.

5. The arrangement of the connecting component can actively break the connector when abnormal conditions such as short circuit, overload and the like occur, and plays an abnormal protection role.

Drawings

FIG. 1 is a schematic view of a plurality of connectors;

FIG. 2 is a schematic illustration of the structure of a single connector;

FIG. 3 is a schematic diagram of the interior of the connector;

FIG. 4 is a second internal schematic view of the connector;

FIG. 5 is a schematic view of a wiring member;

FIG. 6 is a schematic view of a stop member;

FIG. 7 is a schematic structural view of a connection assembly;

fig. 8 is an internal schematic view of the connection assembly.

The reference numerals in the drawings are:

100. an outer housing; 101. an inner frame body; 200. a wiring member; 201. binding posts; 202. a wiring cavity; 203. a side hole; 204. a pressing body; 205. an elastic sheet; 206. a contact plate; 207. a first spring; 208. a gear; 300. a limiting member; 301. a slide; 302. a rack; 303. a second spring; 304. a slide block; 305. a third spring; 306. a clamping block; 307. a threaded rod; 308. a knob; 400. a connection assembly; 401. wiring I; 402. a protective shell; 403. wiring II; 404. a wire connecting ring; 405. bimetallic strips; 406. a trigger ring; 407. a trigger lever; 408. a spring IV; 409. a trigger block; 410. and a spring V.

Detailed Description

In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Example 1

Referring to fig. 1-4, a precision terminal connector includes an outer housing 100, an inner frame 101 is disposed in the outer housing 100, a wiring mechanism is mounted on the inner frame 101, two groups of wiring mechanisms are disposed, and conductive connection is implemented between the two groups of wiring mechanisms through a connection assembly 400, and the two groups of wiring mechanisms are symmetrically arranged.

Referring to fig. 3 and 4, the wire connection mechanism includes a wire connection member 200 and a limiting member 300, the wire connection member 200 is configured to switch between a wire connection state in which the wire connection member 200 is capable of holding a copper wire inserted into itself and forming a conductive connection therebetween, and a wire disconnection state in which the wire connection member 200 is capable of releasing the holding of the copper wire inserted into itself, and the limiting member 300 is configured to keep the wire connection member 200 in the wire connection state continuously after the wire connection member 200 is switched to the wire connection state.

Referring to fig. 3, the two sets of the contact mechanisms are distributed along the length direction of the outer housing 100, and both ends of the outer housing 100 along the length direction are provided with avoiding ports for avoiding the contact member 200 to perform state switching.

For convenience of description, the length direction of the outer housing 100 of the connector is horizontal, the width direction is vertical, and the thickness direction is horizontal.

Referring to fig. 4 and 5, the wiring member 200 includes a wiring terminal 201 hinged on the inner frame 101, a hinge axis formed at a hinge position of the wiring terminal 201 and the inner frame 101 is parallel to a thickness direction of the outer frame 100, initially, the wiring member 200 is in a disconnecting state, the wiring terminal 201 is vertically arranged, an upper end is opened and passes through the avoidance opening, a lower end is closed, an inner cavity of the wiring terminal 201 is named as a wiring cavity 202, the wiring cavity 202 is divided into an upper cylindrical section, a middle cylindrical section and a lower holding section from top to bottom along a shaft axis direction, wherein a diameter of the upper cylindrical section is larger than a diameter of the middle cylindrical section, an unpeeled wire can extend into the upper cylindrical section but cannot extend into the middle cylindrical section, and copper wires of the peeled wire can extend into the middle cylindrical section and the lower holding section.

The side of terminal 201 is provided with the side opening 203 with wiring chamber 202 intercommunication, and slidable mounting has to press and hold the body 204 in the side opening 203, is provided with the elastic piece 205 between the pore wall of holding the body 204 and side opening 203, and the elasticity of elastic piece 205 is used for making to press holding the body 204 keep away from wiring chamber 202, and the elastic piece 205 can be the elastic metal sheet.

The side of the holding body 204 facing away from the wiring cavity 202 is provided with a protrusion, the tip of which protrudes out of the side hole 203.

The wiring member 200 further comprises a contact plate 206 slidably mounted on the inner frame 101 in the vertical direction, a first spring 207 is disposed below the contact plate 206, the first spring 207 is initially in a compressed state, and under the action of the elastic force of the first spring 207, the upper end surface of the contact plate 206 is attached to the bottom of the wiring terminal 201.

The working process of the wiring member 200:

the above is described by taking the case that the length direction of the outer housing 100 of the connector is horizontal, the width direction is vertical, and the thickness direction is horizontal, so the binding post 201 is initially vertically arranged, when the connector is actually installed and used, the binding post 201 is generally approximately parallel to the ground and the opening faces the outside, at this time, the stripped wire is directly inserted into the binding cavity 202 of the binding post 201, wherein, most of the copper wire is positioned in the middle cylindrical section and the lower holding section, and the small part of the copper wire is positioned in the upper cylindrical section, and the unpeeled wire is positioned in the upper cylindrical section, so on one hand, when an electrician strips the wire, the stripping length is between h1 and h2, h1 refers to the sum of the lengths of the middle cylindrical section and the lower holding section, and h2 refers to the length of the binding cavity 202, so that an error range can exist when the electrician strips, the stripping difficulty is reduced, on the other hand, after the wire is finished, the unpeeled wire is positioned in the upper cylindrical section, so the problem that the copper wire is not exposed is better in safety;

then, the electrician dials the binding post 201 to rotate ninety degrees around the hinge shaft, as shown by the right part in fig. 4, in the rotating process, the protrusion on the pressing body 204 contacts with the abutting plate 206, when ninety degrees are rotated, the binding post 201 is separated from contact with the abutting plate 206, the abutting plate 206 contacts with the protrusion only, the elastic force of the first spring 207 pushes the protrusion to move, and then the pressing body 204 pushes into the wiring cavity 202 to press and hold the copper wire in the wiring cavity 202, and wiring is completed.

Referring to fig. 5 and 6, the spacing member 300 is located between the wiring members 200 in the two sets of wiring mechanisms.

The limiting member 300 includes a slide 301 slidably mounted on the inner frame 101 along the length direction of the outer housing 100, a clamp block 306 slidably mounted on the inner frame 101 along the vertical direction, and a gear 208 mounted outside the hinge shaft, a rack 302 extends on the slide 301 along the sliding direction thereof, the rack 302 is engaged with the gear 208, and a second spring 303 is disposed on a side of the slide 301 facing away from the wire connecting member 200.

The upper end of the slide 301 is provided with a slide block 304 in a sliding manner along the vertical direction, a third spring 305 is arranged between the slide block 304 and the slide 301, one side of the slide block 304, which is away from the wiring member 200, is provided with a first inclined surface, and the distance between the first inclined surface and the axis of the wiring terminal 201 is gradually decreased from bottom to top along the vertical direction.

The clamping block 306 is provided with a second inclined plane parallel to the first inclined plane, and the second inclined plane is positioned on one side of the first inclined plane away from the binding post 201.

The inner frame 101 is provided with a threaded rod 307 which is vertically arranged, the threaded rod 307 is in threaded connection with a clamping block 306, and the upper end of the threaded rod 307 extends out of the outer housing 100 and is provided with a knob 308.

The operation of the limiting member 300:

in the process of wiring the electric wire by the wiring member 200, when the wiring terminal 201 rotates, the hinge shaft drives the gear 208 to rotate together, and then the sliding seat 301 is driven to move away from the wiring member 200 through the rack 302, the sliding seat 301 drives the sliding block 304 to move together, the clamping block 306 is clamped with the sliding block 304 in the matching of the first inclined plane and the second inclined plane, the sliding seat 301 is limited to move reversely close to the wiring member 200, and the wiring terminal 201 is further limited to rotate reversely, so that the current wiring state of the wiring member 200 is kept unchanged;

when the wire is to be disconnected, the knob 308 is rotated to rotate the threaded rod 307, so that the clamping block 306 is moved to withdraw the clamping connection to the sliding block 304, the first spring 207, the second spring 303, the third spring 305 and the elastic piece 205 release elastic force, so that the wire connecting member 200 is switched to a disconnected state, the pressing body 204 withdraws the pressing of the copper wire, and an electrician can directly remove the wire as shown by the left part of fig. 4.

Referring to fig. 6 and fig. 7, the connection assembly 400 includes a first connection 401 disposed between the abutting plates 206 in the two sets of connection mechanisms, in the first embodiment, two wires respectively inserted into the two sets of connection mechanisms are electrically connected through the pressing body 204, the abutting plates 206 and the first connection 401, and the rest of the components are made of insulating materials or are provided with insulating layers on the surfaces.

In a preferred embodiment, referring to fig. 7, a wire ring 404 extends over one of the wires 401, and two adjacent sets of connectors may be electrically connected by the wire ring 404.

The working principle of the first embodiment is as follows:

firstly, the binding post 201 is approximately parallel to the ground and the opening faces to the outside, at this time, the stripped wire is directly inserted into the binding cavity 202 of the binding post 201, the copper wire is mostly positioned in the middle cylindrical section and the lower holding section, the copper wire is mostly positioned in the upper cylindrical section, and the unpeeled wire is partly positioned in the upper cylindrical section;

then, the electrician dials the binding post 201 to rotate ninety degrees around the hinge shaft, as shown by the right part in fig. 4, in the rotating process, the protrusion on the pressing body 204 is contacted with the abutting plate 206, when ninety degrees are rotated, the binding post 201 is separated from the contact with the abutting plate 206, the abutting plate 206 is only contacted with the protrusion, the elastic force of the first spring 207 is pushed against the protrusion to move, and then the pressing body 204 is pushed into the wiring cavity 202 to press and hold the copper wire in the wiring cavity 202, and wiring is completed;

in the wiring process, when the wiring terminal 201 rotates, the hinge shaft drives the gear 208 to rotate together, so that the rack 302 drives the slide 301 to move away from the wiring member 200, the slide 301 drives the slide block 304 to move together, the clamping block 306 and the slide block 304 are clamped in the matching of the first inclined plane and the second inclined plane, the slide 301 is limited to move reversely close to the wiring member 200, and the wiring terminal 201 is limited to rotate reversely, so that the current wiring state of the wiring member 200 is kept unchanged;

In the above process:

1. after an electrician inserts an electric wire into the wiring cavity 202 of the wiring terminal 201 by one hand, the wiring terminal 201 is directly stirred by the hand to enable the wiring terminal to rotate ninety degrees, wiring can be completed by one hand, and the operation is simpler, more convenient and faster;

further, in the initial stage, the opening of the wiring cavity 202 of the wiring terminal 201 faces the outside, so that an electrician can easily insert the electric wire into the wiring cavity 202, a screwdriver is not required in the subsequent wiring process, and only the wiring terminal 201 is required to be stirred, so that the simplicity, convenience and rapidity of wiring action are further improved.

2. Because the pressing body 204 presses and holds the wire copper wire in the butt joint wire cavity 202 by the elastic force of the first spring 207, the wire copper wire pressing device has the function of self-adapting the thickness of the copper wire, and can firmly press and hold the copper wire in and out.

3. In this scheme, the special structural design of wiring component can also play the effect of reinforcing security, and the concrete expression is in:

a. in the wiring process, as the avoidance port is narrow, an electrician can not insert the finger, and only the wiring terminal 201 is required to be stirred, even if the circuit is not powered off, electric shock injury to the electrician is difficult to cause in the wiring process, namely, the scheme can be used for electrified wiring;

b. in the disconnecting process, the electrician rotates the knob 308 to switch the wiring member 200 to the disconnecting state, at this time, the pressing body 204 is separated from contact with the abutting plate 206, and the contact between the pressing body and the abutting plate is broken, so that even if the circuit is not powered off, the inside of the connector is automatically powered off in the disconnecting process, and electric shock injury is difficult to be caused to the electrician in the disconnecting process.

Example two

Referring to fig. 7 and 8, the connection assembly 400 includes a protective housing 402 with an extension direction parallel to a length direction of the outer housing 100, two ends of the protective housing 402 are both provided with protective components, the protective components include trigger rings 406 slidably mounted in the protective housing 402, a bimetallic strip 405 is disposed between the two trigger rings 406, compared with the first embodiment, the second embodiment, the first connection 401 is provided with two and is respectively connected with the abutting plates 206 in the two sets of connection members 200, the connection between the two first connections 401 is realized through the second connection 403, the second connection 403 is located in the protective housing 402 and has a resistance greater than that of the first connection 401, when the electrical connection is conducted, the second connection 403 emits more heat, when the temperature in the protective housing 402 exceeds a set value, the bimetallic strip 405 deforms to push the trigger rings 406 to move, the trigger rings 406 move together with trigger rods 407 disposed on one side of the trigger rings 406 away from the bimetallic strip 405, the trigger rods 407 move together to push trigger blocks 409 slidably mounted on the inner housing 101 along the length direction of the outer housing 100, one side of the trigger blocks 409 away from the protective housing 402 is provided with an inclined surface three, the inclined surface is parallel to the inclined surface three, when the first connection is completed, the second connection 403 is not close to the inclined surface 306, and the first connection is not close to the inclined surface is in contact with the inclined surface, and the three connection blocks are automatically disconnected from the trigger blocks, and the two connection blocks are automatically connected to the upper connection blocks and the upper connection blocks are automatically disconnected when the upper connection blocks and lower connection blocks are in the state is in contact with the state and the state of the connection is automatically connected to the connection blocks.

Referring to fig. 8, a spring five 410 is provided on the inner frame 101, the elastic force of which is used to drive the trigger block 409 to perform a reset movement close to the protective shell 402, and a spring four 408 is provided on one side of the trigger ring 406 facing away from the bimetal 405; after the temperature is recovered to be normal, the spring five 410 and the spring four 408 release the elastic force to reset the connection assembly 400, and then the user can finish wiring by himself or inform electricians to finish wiring.

The bimetal 405 is deformed by heating, which is realized in the prior art and will not be described in detail.

The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a precision terminal connector, includes shell body (100), is provided with interior support body (101), its characterized in that in shell body (100): two groups of symmetrically arranged wire connecting mechanisms are arranged on the inner frame body (101) and are connected in a conductive manner through a connecting assembly (400), the wire connecting mechanisms comprise a wire connecting member (200) and a limiting member (300), and avoidance ports are formed in two ends of the outer shell body (100) along the length direction;

the wiring member (200) comprises a wiring post (201) which is hinged on an inner frame body (101) and a hinge shaft formed at the hinge position is parallel to the thickness direction of an outer shell body (100), the wiring post (201) is parallel to the width direction of the outer shell body (100) and one end of the wiring post is opened and penetrates through an avoidance opening, the other end of the wiring post is closed, an inner cavity of the wiring post (201) is named as a wiring cavity (202), a side hole (203) communicated with the wiring cavity (202) is formed in the side face of the wiring post (201), a pressing body (204) is slidably arranged in the side hole (203), an elastic piece (205) is arranged between the pressing body (204) and the hole wall of the side hole (203), the elastic force of the elastic piece (205) is used for enabling the pressing body (204) to be far away from the wiring cavity (202), a bulge is formed on one side of the pressing body (204) away from the wiring cavity (202), and the tail end of the bulge stretches out of the side hole (203);

the wiring member (200) further comprises a contact plate (206) slidably mounted on the inner frame body (101) along the width direction of the outer frame body (100), a first spring (207) is arranged on one side of the contact plate (206), and initially, the first spring (207) is in a compressed state and is attached to the closed end of the wiring terminal (201) under the action of the elastic force of the first spring (207).

2. The precision terminal connector of claim 1, wherein: the wiring cavity (202) is divided into an upper cylindrical section, a middle cylindrical section and a lower pressing holding section along the axial lead direction, the diameter of the upper cylindrical section is larger than that of the middle cylindrical section, an unpeeled wire can extend into the upper cylindrical section but cannot extend into the middle cylindrical section, and a copper wire of the peeled wire can extend into the middle cylindrical section and the lower pressing holding section.

3. The precision terminal connector of claim 1, wherein: the limiting component (300) is positioned between the wiring components (200) in the two groups of wiring mechanisms;

the limiting member (300) comprises a sliding seat (301) which is slidably arranged on the inner frame body (101) along the length direction of the outer shell body (100), a clamping block (306) which is slidably arranged on the inner frame body (101) along the width direction of the outer shell body (100) and a gear (208) which is arranged outside the hinge shaft, wherein a rack (302) extends on the sliding seat (301) along the sliding direction of the sliding seat, the rack (302) is meshed with the gear (208), and a spring II (303) is arranged on one side of the sliding seat (301) which is away from the wiring member (200);

a sliding block (304) is slidably arranged on the sliding seat (301) along the width direction of the outer shell (100), a spring III (305) is arranged between the sliding block (304) and the sliding seat (301), one side of the sliding block (304) deviating from the wiring member (200) is provided with a first inclined plane, and the distance between the first inclined plane and the axis of the wiring post (201) is gradually decreased from bottom to top along the vertical direction;

the clamping block (306) is provided with a second inclined plane parallel to the first inclined plane, and the second inclined plane is positioned at one side of the first inclined plane, which is away from the binding post (201).

4. A precision terminal connector according to claim 3, wherein: the inner frame body (101) is provided with a threaded rod (307) parallel to the width direction of the outer shell body (100), the threaded rod (307) is in threaded connection with the clamping block (306), and one end of the threaded rod (307) extends out of the outer shell body (100) and is provided with a knob (308).

5. A precision terminal connector according to claim 3, wherein: the connection assembly (400) includes a first wire (401) disposed between the interference plates (206) in the two sets of wire bonding mechanisms.

6. A precision terminal connector according to claim 3, wherein: the connecting assembly (400) comprises a protective shell (402) with the extending direction parallel to the length direction of the outer shell (100), and protective components are arranged at two ends of the protective shell (402);

the inner frame body (101) is provided with a trigger block (409) which moves along the length direction of the outer shell body (100) in a sliding manner, one side of the trigger block (409) away from the protective shell (402) is provided with a third inclined plane, the third inclined plane is parallel to the first inclined plane, one end of the protective component is positioned in the protective shell (402), and the other end of the protective component is in contact with the trigger block (409);

the connecting assembly (400) further comprises a first wiring (401) connected with the interference plate (206), connection is achieved between the two first wirings (401) through a second wiring (403), the second wiring (403) is located in the protective shell (402), and the resistance of the second wiring (403) is larger than that of the first wiring (401).

7. The precision terminal connector of claim 6, wherein: the protection part comprises trigger rings (406) which are slidably arranged in the protection shell (402), trigger rods (407) are extended from the opposite sides of the two trigger rings (406), and the tail ends of the trigger rods (407) extend out of the protection shell (402) and are in contact with the trigger blocks (409);

the inner frame body (101) is provided with a spring five (410), the elasticity of the spring five (410) is used for driving the trigger block (409) to be close to the protective shell (402), and one side of the two trigger rings (406) opposite to each other is provided with a spring four (408).

8. The precision terminal connector of claim 7, wherein: a bimetallic strip (405) is arranged between the two trigger rings (406).