阅读说明：本技术 一种防虚接快速接线端子 (Prevent virtual quick binding post that connects ) 是由 李佳东 宋江保 李铭志 李阳 冯仰敏 柏乾坤 李鹏 马飞 兰满红 刘立峰 于 2021-09-14 设计创作，主要内容包括：一种防虚接快速接线端子,包括端子壳体,端子壳体内有导电片固定槽,导电片固定槽上安装导电片,导电片上压接二次导线,二次导线上压接有固定轮,固定轮轴心位置安装固定轮旋转轴,并通过端子壳体内的导轨槽以及壳体的夹紧实现定位；转动旋转柄使固定轮围绕固定轮旋转轴转动,从而使二次导线的压接面由接线面经过过渡面到压接面,同时接线端子正面由绿色变为红色,并利用固定轮旋转轴到接线面、压接面及过渡面、止转面、止转面的距离不同,根据压接二次导线线径,使固定轮旋转轴放置在导轨槽上两个不同的位置,实现二次导线的压接和固定轮的限位,从而提高了接线效率。(A quick connecting terminal capable of preventing virtual connection comprises a terminal shell, wherein a conducting strip fixing groove is formed in the terminal shell, a conducting strip is installed on the conducting strip fixing groove, a secondary wire is connected to the conducting strip in a pressing mode, a fixing wheel is connected to the secondary wire in a pressing mode, a fixing wheel rotating shaft is installed at the axis position of the fixing wheel, and positioning is achieved through clamping of a guide rail groove in the terminal shell and the shell; rotate rotatory handle and make the tight pulley rotate around the tight pulley rotation axis, thereby make the crimping face of secondary wire by the terminal surface through transition face to crimping face, binding post openly becomes red by the green simultaneously, and utilize the tight pulley rotation axis to the terminal surface, crimping face and transition face, the face of splining, the distance of splining is different, according to crimping secondary wire line footpath, make the tight pulley rotation axis place two different positions on the guide rail groove, realize the crimping of secondary wire and the spacing of tight pulley, thereby wiring efficiency has been improved.)

1. The utility model provides a prevent virtual quick binding post that connects, including terminal casing (1), its characterized in that, there is conducting strip fixed slot (2) in terminal casing (1), installation conducting strip (7) on conducting strip fixed slot (2), crimping secondary wire (8) on conducting strip (7), crimping has tight pulley (4) on secondary wire (8), tight pulley rotation axis (5) are installed to tight pulley (4) axle center position installation to press from both sides through guide rail groove (3) and casing (1) in terminal casing (1) and realize the location.

2. A quick connection terminal as claimed in claim 1, wherein the guide groove (3) comprises two wire crimping positions, a thick wire crimping position (301) and a thin wire crimping position (302), which are on the same horizontal line.

3. A virtual connection preventing quick terminal as claimed in claim 1, characterized in that the fixed wheel (4) is a circular-like device with a fixed wheel rotating shaft (5), the end surfaces are sequentially a second indicating surface (402), a second rotation stop surface (407), a wiring surface (403), a transition surface (405), a crimping surface (404), a first rotation stop surface (406) and a first indicating surface (401), and a rotating handle inserting hole (408) is formed in the end surface between the first indicating surface (401) and the second indicating surface (402) for inserting the rotating handle (6).

4. A virtual connection preventing quick connection terminal as claimed in claim 3, wherein the distance from the axis of the rotation shaft (5) of the fixed wheel to the wiring plane (403) is d1, the distance from the pressing plane (404) is d3, the distances from the transition plane (405), the rotation stopping plane 1(406) and the rotation stopping plane 2(407) are d2, and d1< d3< d 2.

5. A virtual connection preventing quick connection terminal as claimed in claim 3, characterized in that the surfaces of the second indication surface (402) and the first indication surface (401) are provided with different colors.

6. A virtual connection prevention quick terminal as claimed in claim 3, characterized in that part of the contact surface of the crimping surface (404) is tooth-shaped, and the crimping teeth have hardness.

7. A virtual connection prevention quick terminal as claimed in claim 3, characterized in that the transition surface (405) is grooved.

8. A virtual connection preventing quick connection terminal as claimed in claim 3, wherein the bottom of the rotary handle insertion hole (408) is partially threaded, and the front end portion of the rotary handle (6) is threaded.

9. The quick connection terminal for preventing virtual connection as claimed in claim 1, wherein the conductive plate (7) comprises a wire pressing surface (701) with a slope, a bevel is arranged at the wire connection port of the wire pressing surface (701), a wire fixing groove (702) is arranged in the middle of the wire pressing surface (701), and a short connection piece mounting hole (703) is arranged in the middle of the conductive plate (7); an angle is formed between the short tab mounting hole (703) and the horizontal plane; the wire fixing groove (702) is an arc-shaped groove, and the width and the depth of the groove are reduced along with the increase of the distance from the edge; the shorting tab mounting hole (703) is a threaded hole.

Technical Field

The invention belongs to the technical field of secondary power wiring, and particularly relates to a virtual connection preventing quick wiring terminal.

Background

With the increasing capacity of the power grid, a plurality of power devices are added, and the power devices are provided with sampling and control circuits, so that secondary wiring is inevitably needed.

The existing wiring terminals are all pressed by screws, the pressing procedures all need manual inspection, and pressing indication is not provided, so that the wiring speed is low, virtual connection is easy to occur, and certain accident potential is caused. In order to solve the problems of low wiring efficiency and virtual connection, a quick wiring terminal for preventing the virtual connection is urgently needed.

Disclosure of Invention

In order to overcome the problems in the related art, the invention aims to provide a virtual connection prevention quick wiring terminal, which solves the problem of virtual connection and improves the wiring and inspection efficiency.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a prevent virtual quick binding post that connects, includes terminal casing 1, has conducting strip fixed slot 2 in the terminal casing 1, installs conducting strip 7 on the conducting strip fixed slot 2, crimping secondary conductor 8 on the conducting strip 7, and the last crimping of secondary conductor 8 has tight pulley 4, and 4 axle center positions of tight pulley installation tight pulley rotation axles 5 of tight pulley to through the tight clamp of guide rail groove 3 and casing 1 in the terminal casing 1, realize the location.

The guide rail groove 3 comprises two lead crimping positions, namely a thick wire crimping position 301 and a thin wire crimping position 302, which are on the same horizontal line.

The fixed wheel 4 is a similar circular device with a fixed wheel rotating shaft 5, the end surfaces of the fixed wheel 4 are a second indicating surface 402, a second rotation stopping surface 407, a wiring surface 403, a transition surface 405, a pressure contact surface 404, a first rotation stopping surface 406 and a first indicating surface 401 in sequence, and a rotating handle insertion hole 408 is formed in the end surface between the first indicating surface 401 and the second indicating surface 402 and used for inserting the rotating handle 6.

The distance from the axis of the fixed wheel rotating shaft 5 to the wire connection surface 403 is d1, the distance from the axis of the fixed wheel rotating shaft 5 to the crimping surface 404 is d3, the distances from the transition surface 405, the rotation stopping surface 1406 and the rotation stopping surface 2407 are d2, and d1< d3< d 2.

The second indicating surface 402 and the first indicating surface 401 are provided with different colors.

The contact surface of the crimping surface 404 is partially tooth-shaped, and the crimping teeth have hardness.

The transition surface 405 is grooved.

The conducting plate 7 comprises a lead crimping surface 701 with a slope, a groove is arranged at a lead connecting port of the lead crimping surface 701, a lead fixing groove 702 is arranged in the middle of the lead crimping surface 701, and a short splicing piece mounting hole 703 is arranged in the middle of the conducting plate 7; an angle is formed between the short tab mounting hole 703 and the horizontal plane; the wire fixing groove 702 is an arc groove, and the width and depth of the groove are reduced along with the increase of the distance from the edge; the shorting tab mounting hole 703 is a threaded hole.

The bottom of the rotary handle insertion hole 408 is partially threaded, and the front end portion of the rotary handle 6 is threaded.

Compared with the prior art, the invention has at least the following beneficial technical effects:

1. the conducting strip 7 wire access port of the invention is provided with a groove, and the wire access is convenient.

2. The distance from the fixed wheel rotating shaft 5 to the wire connecting surface 403 is d1, the distance from the fixed wheel rotating shaft 5 to the crimping surface 404 is d3, the distances from the fixed wheel rotating shaft 5 to the transition surface 405, the rotation stopping surface 1406 and the rotation stopping surface 2407 are d2, d1< d3< d2, the wire connecting surface 403 can effectively pass through the transition surface 405 to the crimping surface 404, and the limit is realized.

3. The wiring surface 403 corresponds to the second indicating surface 402, the pressure contact surface 404 corresponds to the first indicating surface 401, and the surfaces of the second indicating surface 402 and the first indicating surface 401 are provided with different colors; the surface directly above when not normally wired is a first indicator surface 401 (which is typically set to green); after wire connection and crimping, the crimping surface 404 is right below, and the surface right above is the second indication surface 402 (the surface is generally set to be red), so that the functions of wire connection and indication are simultaneously realized, and the wire connection and inspection efficiency is improved.

4. The transition surface 405 of the invention is provided with a groove, so that when the crimping surface 404 rotates to the wiring surface 403, the secondary cable is not stressed on the transition surface, and the clamping and the movement of the secondary cable in the rotation process of the mechanism are prevented.

5. The contact surface of the crimping surface 404 is in a tooth shape, and the crimping teeth have proper hardness, so that the range of the diameter of the wire which can be crimped is increased.

6. When the invention is used, the rotating handle 6 is inserted into the rotating handle insertion hole 408, the lever principle is fully utilized, and the purposes of saving materials and being convenient to operate are achieved.

7. The conducting strip 7 of the invention has a smaller angle with the horizontal plane and is matched with different crimping positions of the guide rail groove 3, so that the pressure of crimping the lead by the fixed wheel 4 is basically the same.

8. The invention realizes the integration of multiple functions and reduces the use of materials and original devices.

Drawings

Fig. 1 is a schematic structural view of a quick connection terminal.

Fig. 2 is a schematic structural view of the terminal housing 1.

Fig. 3 is a schematic structural view of the fixed wheel 4.

Fig. 4 is a cross-sectional view of the stationary sheave pressure contact surface 404.

FIG. 5 is a cross-sectional view and a front view of the fixed sheave transition surface 405; wherein: a is a sectional view and B is a front view.

Fig. 6 is a front view, a top view and a side view of the conductive sheet 7; wherein A is a front view, B is a top view, and C is a side view.

Fig. 7 is a schematic view of the quick connector terminal at the terminal face where the thick wire is crimped.

Fig. 8 is a schematic view of the quick terminal when a thick wire is fixed to the crimping surface at the thick wire crimping position.

Fig. 9 is a schematic view of the quick terminal as it is being face-connected in a fine wire crimp position.

Fig. 10 is a schematic view of the quick terminal when the thin wire is fixed to the crimping surface at the thin wire crimping position.

Figures 1-10 symbolize: 1-terminal housing, 2-conducting strip fixing groove, 3-guide track groove, 301-thick line crimping position, 302-thin line crimping position, 4-fixed wheel, 401-first indication surface, 402-second indication surface, 403-wiring surface, 404-crimping surface, 405-transition surface, 406-rotation stopping surface 1, 407-rotation stopping surface 2, 408 rotation handle insertion hole, 5-fixed wheel rotation shaft, 6-rotation handle, 7-conducting strip, 701-conducting strip crimping surface, 702-conducting strip fixing groove, 703-short connection strip installation hole, 8-secondary conducting wire, 801-insulating layer and 802-conducting body.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

Referring to fig. 1, a prevent virtual quick binding post that connects, including terminal casing 1, there is conducting strip fixed slot 2 in the terminal casing 1, installs conducting strip 7 on the conducting strip fixed slot 2, crimping secondary conductor 8 on the conducting strip 7, the last crimping of secondary conductor 8 has tight pulley 4, 4 axle center positions of tight pulley installation tight pulley rotation axles 5 of tight pulley to through the tight location that realizes of the clamp of guide rail groove 3 and casing 1 in the terminal casing 1.

The guide rail groove 3 comprises two lead crimping positions, namely a thick wire crimping position 301 and a thin wire crimping position 302, and the fixed wheel rotating shaft 5 can stop at 2 different positions on the guide rail groove 3 on the same horizontal line; a thick wire is crimped at a thick wire crimping position 301, and a thin wire is crimped at a thin wire crimping position 302.

Referring to fig. 3, the fixed sheave 4 is a circular-like device with a fixed sheave rotation shaft 5, and has end surfaces including a second indication surface 402, a second rotation stop surface 407, a wire connection surface 403, a transition surface 405, a pressure contact surface 404, a first rotation stop surface 406, and a first indication surface 401 in this order, and a rotation shank insertion hole 408 for inserting the rotation shank 6 is provided at the end surface between the first indication surface 401 and the second indication surface 402. The rotation lever 6 is used to rotate the fixed sheave 4 about the fixed sheave rotation shaft 5 after the rotation lever 6 is inserted into the rotation lever insertion hole 408 of the fixed sheave 4.

The distance from the axis of the fixed wheel rotating shaft 5 to the wiring surface 403 is d1, the distance from the pressing surface 404 is d3, the distances from the transition surface 405, the rotation stopping surface 1406 and the rotation stopping surface 2407 are d2, and d1< d3< d 2.

The surfaces of the second indicating surface 402 and the first indicating surface 401 are provided with different colors, specifically, the first indicating surface 401 is provided with green, and the second indicating surface 402 is provided with red; the wiring surface 403 corresponds to the first indicating surface 401, when no wiring is performed, the wiring surface 403 is right below, and the surface right above indicates green for the first indicating surface 401; after the fixing wheel 4 compresses the secondary cable, the compression joint surface 404 is right below, and the second indication surface 402 right above indicates red because the compression joint surface 404 corresponds to the second indication surface 402; after the second indicating surface 402 does not access the secondary cable or the fixed wheel 4 releases the secondary cable, the first indicating surface 401 returns to the position right above, and the first indicating surface 401 indicates green.

Referring to fig. 4, the contact surface of the crimping surface 404 is partially toothed, and the crimping teeth have hardness.

Referring to fig. 5, the transition surface 405 is provided with a groove, so that when the crimping surface 404 is rotated to the wiring surface 403, the secondary cable is not stressed on the transition surface; the locking of the mechanism in the rotating process and the movement of the secondary cable are prevented.

The secondary wire 8 includes an insulating layer 801 and a conductor 802, and when the crimped secondary wire 8 is a thick conductor, referring to fig. 7 and 8, the fixed sheave rotation shaft 5 is located at a thick wire crimping position 301 of the rail groove 3; when the crimped secondary wire 8 is a thin electric conductor, referring to fig. 9 and 10, the fixed wheel rotation shaft 5 is located at a thin wire crimping position 302 of the rail groove 3.

Referring to fig. 6, the conductive plate 7 includes a wire crimping surface 701 with a slope, a groove is provided at a wire connection port of the wire crimping surface 701, a wire fixing groove 702 is provided in the middle of the wire crimping surface 701, and a short tab mounting hole 703 is provided in the middle of the conductive plate 7; an angle is formed between the short tab mounting hole 703 and the horizontal plane; the wire fixing groove 702 is an arc groove, and the width and depth of the groove are reduced along with the increase of the distance from the edge; the short connecting piece mounting hole 703 is a threaded hole, which facilitates the parallel connection between different conducting strips 7.

When the fixed wheel 4 is used for crimping the thick conductor and the thin conductor, the wire diameter deviation of the wire is compensated by the height difference of the conducting sheet 7 at the thick wire crimping position 301 and the thin wire crimping position 302, so that the pressure applied to the wire is basically the same.

The bottom of the rotation handle insertion hole 408 is partially threaded, and the front end of the rotation handle 6 is partially threaded, so that the rotation handle 6 can be screwed into the rotation handle insertion hole 408 to prevent falling off when a plurality of operations are required. The rotary handle is configured as a common tool, thus also saving material.

The working principle of the invention is as follows:

the rotary handle 6 is inserted into the rotary handle insertion hole 408, the conductor 802 of the secondary wire is inserted into the groove above the conducting strip 7, the rotary handle 6 is rotated to enable the fixed wheel 4 to rotate around the fixed wheel rotating shaft 5, so that the crimping surface of the secondary wire passes through the transition surface 405 from the wiring surface 403 to the crimping surface 404, meanwhile, the front surface of the wiring terminal is changed from green to red, the distances from the fixed wheel rotating shaft 5 to the wiring surface 403, the crimping surface 404, the transition surface 405, the rotation stopping surface 406 and the rotation stopping surface 407 are different, according to the wire diameter of the crimped secondary wire, the fixed wheel rotating shaft 5 is placed at two different positions on the guide rail groove 3, the crimping of the secondary wire and the limiting of the fixed wheel are realized, and the wiring efficiency is improved.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and the disclosure. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.