CN111983267B - A test aid - Google Patents

Abstract

The application relates to the technical field of cable tests, in particular to a test auxiliary tool, which comprises a first connecting piece and a second connecting piece; the first connector includes a first insulator and a first conductor; the first end of the first conductor is provided with a wire ear connector, the second end of the first conductor is provided with a first thread groove, and the first insulator is sleeved on the first conductor; the second connector includes a second insulator and a second conductor; the first end of the second conductor is provided with a first bulge matched with the first thread groove, and the second insulator coats the second end of the second conductor. According to the application, the first connecting piece and the second connecting piece can extend the length of the wire lug inside the terminal, so that the technical problem that in the prior art, the wire lug of the cable terminal is in loose contact with the test wire clamp, and power accidents are easy to occur is effectively solved.

Description

A test aid

technical field

The present application relates to the technical field of cable testing, in particular to a testing auxiliary tool.

Background technique

Existing cable terminals are tested, generally the terminal is removed from the base, and then the wire lug inside the terminal is connected to the test instrument with a wire clip. Due to the tight contact between the wire lug and the inside of the terminal sleeve, the contact between the wire clip and the wire lug is not tight enough, which may cause the clip to fall off during the high-voltage test, resulting in an electrical accident.

Contents of the invention

In view of this, the purpose of this application is to provide a test auxiliary tool, which effectively solves the technical problem in the prior art that electrical accidents are likely to occur due to the lack of close contact between the lug of the cable terminal head and the test clamp.

In order to achieve the above object, the application provides the following technical solutions:

A test aid, comprising a first connector and a second connector;

The first connector includes a first insulator and a first conductor;

The first end of the first conductor is provided with a lug joint, the second end of the first conductor is provided with a first thread groove, and the first insulator is sleeved on the first conductor;

The second connector includes a second insulator and a second conductor;

The first end of the second conductor is provided with a first protrusion matching the first thread groove, and the second insulator covers the second end of the second conductor.

Preferably, in the above test auxiliary tool, the end of the first insulator away from the second connecting piece is provided with a first magnet.

Preferably, in the above test auxiliary tool, the diameter of the first protrusion is equal to the diameter of the lug connector.

Preferably, in the above test auxiliary tool, the outer periphery of the first protrusion is provided with a connecting clip groove.

Preferably, in the above test auxiliary tool, the end of the first connecting member close to the second connecting member extends outwards and is provided with a first limiting member;

A second limiting member corresponding to the first limiting member is provided extending outward from the end of the second connecting member close to the first connecting member.

Preferably, in the above-mentioned test auxiliary tool, a third connecting piece is also included;

The first connecting piece is connected to the second connecting piece through the third connecting piece.

Preferably, in the above test auxiliary tool, the third connecting member includes a third insulator and a third conductor;

The first end of the third connecting piece is provided with a second protrusion matching the first thread groove, and the second end of the third connecting piece is provided with a second thread matching the first protrusion slot, the third insulator is sleeved on the third conductor.

Preferably, in the above test auxiliary tool, the end of the first insulator close to the third insulator is provided with a second magnet;

A third magnet is provided at an end of the third insulator close to the first insulator.

Preferably, in the above test auxiliary tool, a fixing piece is provided at the end of the second connecting piece away from the first connecting piece.

Preferably, in the above test auxiliary tool, the first conductor and the second conductor are copper, aluminum or copper-aluminum alloy.

Compared with prior art, the beneficial effect of the present application is:

When the application is in use, the lug joint of the first connecting piece can be connected to the lug in the cable terminal head, and then screwed into the first thread groove of the first connecting piece through the first protrusion of the second connecting piece During installation, it is necessary to ensure that the first protrusion does not completely fall into the first thread groove, so as to realize the conductive connection of the cable terminal head, the first conductor, and the second conductor in sequence. At this time, the first protrusion is exposed in the first thread groove. Part of it can form a new clamp connection position, and the staff can directly clamp the clamp of the test instrument to the exposed part of the first protrusion, so that the clamp can be conductively connected with the lug of the cable terminal through the first protrusion, and the completion The connection between the test instrument and the cable terminal, so that the test instrument can be used to test the cable terminal later. This application can extend the length of the wire lug inside the terminal head through the first connecting piece and the second connecting piece, so that the cable and the test equipment can be connected more firmly during the high-voltage test, and the stability and reliability of the high-voltage electrical test can be increased, effectively The invention solves the technical problem in the prior art that electric accidents are easily caused due to the lack of close contact between the wire lug of the cable terminal head and the test wire clamp.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present application, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the structural representation of the first kind of test auxiliary tool provided by the embodiment of the present application;

Fig. 2 is the structural representation of the second kind of test auxiliary tool provided by the embodiment of the present application;

Fig. 3 is a schematic structural diagram of a third test auxiliary tool provided in the embodiment of the present application.

In the picture:

1 is the first connector, 11 is the first insulator, 111 is the first magnet, 112 is the second magnet, 12 is the first conductor, 121 is the lug connector, 122 is the first thread groove, 13 is the first stop 2 is the second connecting piece, 21 is the second insulator, 22 is the second conductor, 221 is the first protrusion, 222 is the connecting clip groove, 23 is the second limiting piece, 24 is the fixing piece, 3 is the first Three connectors, 31 is a third insulator, 311 is a third magnet, 32 is a third conductor, 321 is a second protrusion, and 322 is a second screw groove.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer " and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, Constructed and operative in a particular orientation and therefore should not be construed as limiting to the embodiments of the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the embodiments of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a Replaceable connection, or integral connection, can be mechanical connection or electrical connection, direct connection or indirect connection through an intermediary, or internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present application in specific situations.

Existing cable terminals are tested, generally the terminal is removed from the base, and then the wire lug inside the terminal is connected to the test instrument with a wire clip. Due to the tight contact between the wire lug and the inside of the terminal sleeve, the contact between the wire clip and the wire lug is not tight enough, which may cause the clip to fall off during the high-voltage test, resulting in an electrical accident. This embodiment provides a test auxiliary tool, which effectively solves the technical problem in the prior art that electrical accidents are likely to occur due to the loose contact between the lug of the cable terminal head and the test clamp.

Please refer to Figures 1-3, the embodiment of the present application provides a test aid, including a first connector 1 and a second connector 2; the first connector 1 includes a first insulator 11 and a first conductor 12; the first The first end of the conductor 12 is provided with a wire lug joint 121, the second end of the first conductor 12 is provided with a first thread groove 122, the first insulator 11 is sleeved on the first conductor 12; the second connector 2 includes a second insulator 21 and the second conductor 22 ; the first end of the second conductor 22 is provided with a first protrusion 221 matching the first screw groove 122 , and the second insulator 21 covers the second end of the second conductor 22 .

More specifically, the wire lug connector 121 matches the wire lug of the cable terminal head; the first protrusion 221 is screwed into the first thread groove 122, and the length of the first protrusion 221 may be greater than the depth of the first thread groove 122, In order to ensure that the first protrusion 221 can be stably connected to the first thread groove 122 , a part of the first protrusion 221 can still be exposed outside the first thread groove 122 .

In this embodiment, when in use, the lug joint 121 of the first connecting piece 1 can be connected to the lug in the cable terminal head, and then screwed to the first connecting piece through the first protrusion 221 of the second connecting piece 2 In the first threaded groove 122 of 1, it is necessary to ensure that the first protrusion 221 does not completely fall into the first threaded groove 122 during installation, so as to realize the conductive connection of the cable terminal, the first conductor 12, and the second conductor 22 in sequence. At this time The part of the first protrusion 221 exposed in the first thread groove 122 can form a new clamp connection position, and the staff can directly clamp the clamp of the test instrument to the exposed part of the first protrusion 221, so that the clamp can pass through the first protrusion 221. A protrusion 221 is conductively connected with the lug of the cable terminal to complete the connection between the test instrument and the cable terminal, so that the test instrument can be used to test the cable terminal later. In this embodiment, the length of the wire lug inside the terminal head can be extended through the first connecting piece 1 and the second connecting piece 2, so that the cable and the test equipment can be connected more firmly during the high-voltage test, and the stability and reliability of the high-voltage electrical test can be increased. , effectively solve the technical problems existing in the prior art that are likely to cause electrical accidents due to the loose contact between the lug of the cable terminal head and the test clamp

Further, in this embodiment, a first magnet 111 is provided at an end of the first insulator 11 away from the second connecting member 2 . When the base of the terminal head is disassembled by a tool, the tool is often an iron tool. For a long time, there will be friction loss between the tool and the surface of the terminal head, so that some iron filings remain on the surface of the terminal head. The first magnet 111 can reduce the number of terminal blocks. The iron filings on the surface of the wire lug in the head can prevent the iron filings from affecting the normal connection between the wire lug connector 121 and the wire lug of the terminal head.

Further, in this embodiment, the diameter of the first protrusion 221 is equal to the diameter of the wire lug connector 121 . Since the cable terminal head and the first connecting piece 1 are connected through the wire lug and the wire lug joint 121, the first connecting piece 1 and the second connecting piece 2 are connected through the first protrusion 221 and the first threaded groove 122, and the first protrusion The diameter of 221 is set to be equal to the diameter of the lug connector 121, so that not only can ensure the connection stability between the cable terminal head, the first connecting piece 1 and the second connecting piece 2, but also can ensure the cable terminal head, the first connecting piece 1 and the second connecting piece 2. Conductive stability between a connector 1 and a second connector 2 .

Further, in this embodiment, the outer periphery of the first protrusion 221 is provided with a connecting clamp groove 222, and the setting of the connecting clamp groove 222 can reduce the diameter of the part to be clamped by the wire clamp, and can provide a convenient test instrument. The clamp is clamped and fixed to the clamp clamping position on the first protrusion 221 , which is convenient for the staff to quickly fix the clamp of the experimental instrument to the first protrusion 221 .

Further, in this embodiment, please refer to FIG. 2 , the end of the first connecting piece 1 close to the second connecting piece 2 is extended outwards with a first limiting piece 13; the second connecting piece 2 is close to the first connecting piece The end of 1 is extended outwards with a second limiting member 23 corresponding to the first limiting member 13 . First insert the lug joint 121 of the first connecting piece 1 into the lug in the cable terminal head, and then rotate the second connecting piece 2 so that the first protrusion 221 is continuously screwed into the first threaded groove 122, and wait for the first When the limiter 13 and the second limiter 23 are very close, clamp the wire clamp of the test instrument to the connection clamp groove 222 of the first protrusion 221, and continue to rotate the second connector 2 to narrow the first limiter. The distance between piece 13 and the second limit piece 23, until the clamp of the test instrument can be between the first limit piece 13 and the second limit piece 23, through the first limit piece 13 and the second limit piece The setting of the part 23 can prevent the wire clamp from loosening left and right and detaching from the first protrusion 221 , which is beneficial to ensure the stability of the connection between the wire clamp of the test instrument and the first protrusion 221 .

Further, in this embodiment, a third connecting piece 3 is also included; the first connecting piece 1 is connected to the second connecting piece 2 through the third connecting piece 3 . When only extending the length of the first connecting piece 1 and the second connecting piece 2 is still not enough to meet the clamping and fixing requirements of the test instrument, a second connecting piece can be added between the first connecting piece 1 and the second connecting piece 2. Three connectors 3, so as to further extend the length of the wire lug inside the extension terminal head, and meet the requirements of the conductive connection between the wire clip of the test instrument and the wire lug in the cable terminal head. The quantity of the third connecting member 3 is designed according to actual needs.

Further, in this embodiment, referring to FIG. 3 , the third connector 3 includes a third insulator 31 and a third conductor 32 ; The second protrusion 321 , the second end of the third connector 3 is provided with a second screw groove 322 matching the first protrusion 221 , and the third insulator 31 is sheathed on the third conductor 32 . First insert the lug joint 121 of the first connecting piece 1 into the lug in the cable terminal head, and then rotate the third connecting piece 3 so that the second protrusion 321 is continuously screwed into the first threaded groove 122. After the second protrusion 321 and the first thread groove 122 have connected and fixed the first connector 1 and the third connector 3, the second connector 2 is rotated so that the first protrusion 221 is continuously screwed into the second thread groove 322, In this way, the cable terminal head, the first conductor 12, the third conductor 32, and the second conductor 22 are electrically connected sequentially. At this time, the part of the first protrusion 221 exposed to the second thread groove 322 can form a new clamp connection position, and work Personnel can directly clamp the wire clamp of the test instrument to the exposed part of the first protrusion 221, so that the wire clamp can be conductively connected with the wire lug of the cable terminal through the first protrusion 221, and complete the connection between the test instrument and the cable terminal. In order to test the cable terminal head through the test instrument later.

Further, in this embodiment, a second magnet 112 is provided at an end of the first insulator 11 close to the third insulator 31 ; a third magnet 311 is provided at an end of the third insulator 31 close to the first insulator 11 . That is to say, the second magnet 112 and the third magnet 311 are arranged on the contact surface of the first insulator 11 and the third insulator 31, through the mutual adsorption of the second magnet 112 and the third magnet 311, the first connecting member 1 can be strengthened. The stability of the connection between the first connector 1 and the third connector 3 helps avoid loosening between the first connector 1 and the third connector 3, which in turn helps to ensure the stability and stability of the test equipment when testing the cable terminal head. reliability.

More specifically, in order to ensure the stability of the connection between the first connecting piece 1 and the third connecting piece 3, a protective connecting sleeve can also be placed on the outer circumference of the connection between the first connecting piece 1 and the third connecting piece 3, and the protective connection The sleeve can further enhance the connection stability between the first connecting part 1 and the third connecting part 3 .

Further, in this embodiment, a fixing member 24 is provided at an end of the second connecting member 2 away from the first connecting member 1 . With the increase of the third connecting piece 3, the weight of the first connecting piece 1, the third connecting piece 3 and the second connecting piece 2 cannot be supported only by the wire lug of the cable terminal head, so in the other part of the second connecting piece 2 One end is provided with a fixing piece 24, so that the staff can fix the fixing piece 24 of the second connecting piece 2 to the corresponding workbench through hooks, slings or other means, so that the workbench and the wire lugs of the cable terminal head can be supported together. Lift the weight of the first connecting part 1, the third connecting part 3 and the second connecting part 2, so as to avoid loosening of the connection between the first connecting part 1, the third connecting part 3 and the second connecting part 2 during the test, It is beneficial to ensure the connection stability between the first connecting part 1, the third connecting part 3 and the second connecting part 2 during the test, and further helps to ensure the stability and reliability of the test equipment when testing the cable terminal head.

Further, in this embodiment, the first conductor 12, the second conductor 22 and the third conductor 32 are all copper, aluminum or copper-aluminum alloy, because copper, aluminum or copper-aluminum alloy has good electrical conductivity, low cost, easy to manufacture The advantages of mature technology, the first conductor 12, the second conductor 22 and the third conductor 32 made of copper, aluminum or copper-aluminum alloy have good electrical conductivity, ensuring the stability and reliability of the test equipment when testing the cable terminal .

More specifically, the first conductor 12 , the second conductor 22 and the third conductor 32 can also be other high-conductivity materials with good electrical conductivity, which will not be repeated in this application.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A test aid, characterized in that it comprises a first connector and a second connector; The first connector includes a first insulator and a first conductor; The first end of the first conductor is provided with a lug joint, the second end of the first conductor is provided with a first thread groove, and the first insulator is sleeved on the first conductor; The second connector includes a second insulator and a second conductor; The first end of the second conductor is provided with a first protrusion matching the first thread groove, and the second insulator covers the second end of the second conductor; The length of the first protrusion is greater than the depth of the first thread groove, and is used to expose a part of the first protrusion to the outside of the first thread groove; the first protrusion of the second connector The threads are not completely dropped into the first thread groove of the first connecting piece; the first connecting piece and the second connecting piece extend the length of the lug inside the cable terminal head; The outer periphery of the first protrusion is provided with a connecting clip groove, which is used to reduce the diameter of the clamping part of the wire clip; The end of the first connecting piece close to the second connecting piece is extended outwards with a first limiter; The end of the second connecting member close to the first connecting member is extended outwards to provide a second limiting member corresponding to the first limiting member; The wire clip is clamped on the connecting clip groove of the first protrusion, and the second connecting piece is rotated to reduce the distance between the first limiting piece and the second limiting piece, so as to connect the The wire clamp is limited between the first limiting member and the second limiting member; The end of the first insulator away from the second connecting piece is provided with a first magnet for reducing iron filings on the surface of the lug; The diameter of the first protrusion is equal to the diameter of the lug connector. 2. The test auxiliary tool according to claim 1, further comprising a third connecting piece; The first connecting piece is connected to the second connecting piece through the third connecting piece. 3. The test auxiliary tool according to claim 2, wherein the third connector comprises a third insulator and a third conductor; The first end of the third connecting piece is provided with a second protrusion matching the first thread groove, and the second end of the third connecting piece is provided with a second thread matching the first protrusion slot, the third insulator is sleeved on the third conductor. 4. The test auxiliary tool according to claim 3, wherein a second magnet is provided at an end of the first insulator close to the third insulator; A third magnet is provided at an end of the third insulator close to the first insulator. 5 . The test auxiliary tool according to claim 4 , wherein a fixing piece is provided at an end of the second connecting piece away from the first connecting piece. 6 . 6. The test auxiliary tool according to any one of claims 1-5, characterized in that, the first conductor and the second conductor are copper, aluminum or copper-aluminum alloy.