CN210954294U

CN210954294U - Indoor wiring detection device

Info

Publication number: CN210954294U
Application number: CN201921651647.5U
Authority: CN
Inventors: 刘军; 杨上川; 袁会琼; 陈大勇
Original assignee: Chongqing Liansheng Construction Project Management Co Ltd
Current assignee: Chongqing Liansheng Construction Project Management Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-07
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an indoor wiring detection device that works a telephone switchboard relates to detection device, aims at solving the relatively poor problem of current wiring detection device's plug adaptability, and its technical scheme main points are: including the tester body, connect in tester body input line and communicate in the input line plug, the plug includes the shell, ground wire inserted sheet and two lugs, two lugs are inserted and are located the one end difference fixedly connected with worm wheel of shell, the worm wheel is the insulating worm wheel that hard insulating material made, the shell internal rotation is connected with the bull stick, the symmetry is provided with two screw threads that mesh respectively in two worm wheels on the bull stick, the shell is worn out in the one end of connecting in shell and bull stick all to the both ends of bull stick, two lugs rotate to be connected in the shell, ground wire inserted sheet and two lugs mutually perpendicular and three's center line are triangle-shaped, ground wire inserted sheet and two lugs communicate respectively in the wiring end that the input line corresponds. The utility model discloses can be applicable to different jacks.

Description

Indoor wiring detection device

Technical Field

The utility model relates to a detection device, more specifically say, it relates to an indoor wiring detection device.

Background

Now after the construction of a building is completed, wiring and wiring must be done indoors and outdoors in order to facilitate and enable the use of electrical appliances. The indoor wiring is related to the use of electric power after construction is completed, and if short circuit, open circuit or reverse connection of a zero line and a live wire exist in the wiring process, serious potential safety hazards exist, even fire disasters and the like can be caused. Therefore, it is necessary to monitor the wires after the wiring is completed, and especially, the socket link needs to be detected after the wiring is completed.

In order to solve the detection problem of indoor wiring, a user meter wiring tester, such as a user meter wiring tester HV-2200, is commonly used in the market at present for detecting indoor wiring and checking whether the indoor wiring has short circuit, open circuit and reverse connection of zero and live wires.

However, when the existing wiring tester needs to detect the socket in the use process, various connectors are often needed to be used to adapt to different plug points of the socket, the adaptability is relatively poor, and the use process is relatively inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an indoor wiring detection device that works a telephone switchboard, it can detect the relative preferred of adaptability to the jack of difference on the socket.

The above technical purpose of the present invention can be achieved by the following technical solutions: an indoor wiring detection device comprises a tester body, an input line connected with a testing end of the tester body and a plug communicated with one end of the input line far away from the tester body, the plug comprises a shell, a ground wire inserting piece and two lug plates which are respectively used for inserting a zero line and a live line, one ends of the two lug plates inserted in the shell are respectively and fixedly connected with a worm wheel, the worm wheel is an insulating worm wheel made of hard insulating materials, a rotating rod is rotationally connected in the shell, two threads which are respectively meshed with the two worm gears are symmetrically arranged on the rotating rod, two ends of the rotating rod are rotatably connected with the shell, one end of the rotating rod penetrates out of the shell, the two lugs are rotatably connected with the shell, the ground wire inserting sheet and the two lug plates are perpendicular to each other, the central connecting line of the ground wire inserting sheet and the two lug plates is triangular, and the ground wire inserting sheet and the two lug plates are respectively communicated with the wiring ends corresponding to the input lines.

Through adopting above-mentioned technical scheme, when the jack to the difference, for example, the zero live wire jack of socket is not fit for the time with the angle of two zero live wire lugs of plug, the accessible rotates the bull stick, two screw threads that pivoted bull stick set up through the symmetry drive the worm wheel and rotate, two pivoted worm wheels drive two zero live wire lugs respectively and rotate along opposite direction, with the adaptation jack, the worm wheel that insulating material made simultaneously can effectually reduce the lug and the situation that the bull stick direct contact leads to the short circuit takes place.

The utility model discloses further set up to: and the part of the lug plate penetrating into the shell is sleeved with an insulating sleeve made of an insulating material.

Through adopting above-mentioned technical scheme, owing to need rotate the lug in the use, there is the probability of direct contact to the bull stick in the lug when damaging, and insulating cover can play further insulating effect to the lug, and the effectual probability that reduces the lug electric leakage and take place the short circuit.

The utility model discloses further set up to: the rotating rod comprises a rotating shaft and a hard insulating sleeve sleeved on the rotating shaft, and the thread is arranged on the hard insulating sleeve.

Through adopting above-mentioned technical scheme, insulating effect can be played to the countershaft to the insulating cover of stereoplasm, reduces when the relative shell of bull stick breaks away from, and the probability of bull stick direct contact to the zero line and live wire lug can reduce lug and pivot direct contact's probability when the worm wheel damages simultaneously, and insulating effect is better relatively.

The utility model discloses further set up to: fixedly connected with perpendicular to the mounting panel of the central axis of lug in the shell, the mounting panel is inserted and is equipped with a plurality of non-through's patch cords, the tip that the lug penetrated the shell is inserted and is located in the patch cord, the one end that the input line was kept away from to the patch cord runs through the mounting panel and extends towards one side that the lug was kept away from to the mounting panel, the zero-fire line wiring end of input line is fixed connection respectively in the patch cord that the grafting has the lug.

Through adopting above-mentioned technical scheme, when the lug rotated, the connecting tube can play the limiting action to the tip that the lug penetrated the shell, and the shell plays certain limiting action to the middle part of lug to reduce the lug and rotate the probability that the in-process takes place the skew, make the lug relatively more stable when rotating.

The utility model discloses further set up to: one end of the rotating rod penetrating out of the shell is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, when needs rotate the bull stick, the accessible rotate the handle drive the bull stick can, it is more convenient relatively to use.

The utility model discloses further set up to: the handle inlays and locates in the shell, the handle is including inlaying connecting block and the commentaries on classics piece that fixed connection deviates from shell one side in locating the shell, it is a style of calligraphy to change the piece.

Through adopting above-mentioned technical scheme, the handle inlays and locates in the shell, can effectually reduce the space that the handle occupy, when needs twist grip, only need rotate the piece drive the connecting block rotate can, make the utility model discloses an excellent relatively use effect.

The utility model discloses further set up to: mounting panel fixedly connected with ground wire connecting rod, the one end of ground wire connecting rod communicates in the ground wire wiring end of input line, the other end of ground wire connecting rod rotates and connects in the ground wire inserted sheet, the standing groove has been seted up to the shell, the standing groove opening orientation deviates from one side of mounting panel, can arrange in the standing groove or perpendicular to standing groove when the ground wire inserted sheet rotates.

Through adopting above-mentioned technical scheme, when needs peg graft in two line jacks, only need rotate the ground wire lug and make it accomodate in the standing groove and can make the plug become two line plugs to the adaptation is in two line jacks, makes adaptability better relatively.

The utility model discloses further set up to: the utility model discloses a ground wire inserted sheet, including shell, connecting rod, mount pad, connecting rod, ground wire inserted sheet, connecting rod, ground wire connecting rod, mount pad and connecting rod, the one end fixedly connected with perpendicular to wire connection pipe that the ground wire inserted sheet penetrated the shell and the connecting rod of ground wire inserted sheet, the connecting rod rotates the inner wall of connecting in the shell, the ground wire connecting rod rotates to be connected in the connecting rod, the both ends of connecting rod are provided with the both ends difference fixedly connected with cam of mount pad and connecting rod respectively, two the mount pad slides respectively in one side in opposite directions and is connected with the clamp plate, the outer lane border butt of.

Through adopting above-mentioned technical scheme, when the ground wire inserted sheet perpendicular to mounting panel, the clamp plate makes can the butt in the outer lane border of cam under the effect of spring to produce a moment through the cam and make the connecting rod drive the tip that the ground wire inserted sheet wore out the shell have the orientation to keep away from the direction pivoted trend of lug, the border that the lug was kept away from to the ground wire inserted sheet is restricted by the shell simultaneously, thereby makes the ground wire inserted sheet restricted, with the random pivoted probability of reduction ground wire inserted sheet.

To sum up, the utility model discloses following beneficial effect has:

1. when the connecting piece is required to be inserted into three-phase jacks with different angles, the rotating rod is driven to rotate only by rotating the handle, and the rotating rod drives the two worm gears to rotate along opposite directions through threads, so that the two lugs for connecting the zero line and the live line are adapted to different three-phase jacks, and the adaptability of the connecting piece is improved;

2. when needs are pegged graft in two line jacks, only need rotate the ground wire inserted sheet make it accomodate in the standing groove can, the twist grip is adjusted through the bull stick this moment, the angle of adjusting two lugs through the bull stick is with two line jacks of adaptation, further improves the utility model discloses an adaptability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a part of the structure of the present invention, which is mainly used for showing the structure inside the housing;

FIG. 3 is a partial cross-sectional view of the present invention, which is mainly used to show the structure of the wire connecting tube;

FIG. 4 is an enlarged view of the portion A of FIG. 2, which is mainly used for showing the structure of the rotating rod and the insulating sleeve;

FIG. 5 is an enlarged view of the portion B of FIG. 2, which is mainly used to show the internal structure of the mounting seat;

fig. 6 is a schematic diagram of a part of the structure of the present invention, which is mainly used for showing the structure of the housing.

In the figure: 1. a tester body; 11. an input line; 2. a plug; 21. a housing; 211. a placement groove; 212. a thread; 22. a ground wire insert; 221. a connecting rod; 223. a cam; 23. a lug plate; 231. a worm gear; 222. an insulating sleeve; 24. a rotating rod; 241. a rotating shaft; 242. a hard insulating sleeve; 243. a handle; 2431. connecting blocks; 2432. rotating the block; 25. a mounting seat; 251. a limiting groove; 252. pressing a plate; 253. a compression spring; 3. mounting a plate; 31. a wire connecting pipe; 311. a stopper; 32. a ground wire connecting rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Indoor wiring detection device, refer to fig. 1, including tester body 1, connect in the input line 11 of the test end of tester body 1 and communicate in the plug 2 of the one end of input line 11 keeping away from tester body 1. The plug 2 comprises a shell 21 for insulation and protection, a ground wire insert 22 and two lugs 23 for inserting a zero-live wire, wherein the ground wire insert 22 and the two lugs 23 are parallel to each other. The center connecting line of the ground wire inserting sheet 22 and the two lugs 23 is triangular, and the ground wire inserting sheet 22 and the two lugs 23 are inserted into the shell 21.

Referring to fig. 1 and 2, a mounting plate 3 fitted to its cross section is fixedly attached inside the housing 21, and the mounting plate 3 is perpendicular to the central axis of the tab 23. A plurality of wire connecting pipes 31 penetrating the mounting plate 3 in the thickness direction are fixedly connected to the mounting plate 3, and a stopper 311 (shown in fig. 3) is fixedly connected to the middle of each wire connecting pipe 31. The wire connecting tube 31 is parallel to the wire connecting sheet 23, the end of the wire connecting sheet 23 penetrating into the housing 21 is inserted into the wire connecting tube 31, and the end of the wire connecting sheet 23 inserted into the wire connecting tube 31 abuts against the stopper 311. The zero and live wire terminals of the input wire 11 are fixedly connected to two wire connection pipes 31 in which the wire connection pieces 23 are inserted, respectively.

The part of the lug 23 penetrating into the shell 21 is sleeved with an insulating sleeve 222 made of hard insulating material, and the insulating sleeve 222 is of a tubular structure. One end of the insulating sheath 222 abuts against the wire barrel 31, the other end of the insulating sheath 222 extends in a direction away from the wire barrel 31, and the end of the insulating sheath 222 away from the wire barrel 31 is rotatably connected to the housing 21. The insulating sheath 222 is fixedly connected to the wire connecting piece 23 and cannot rotate relatively.

Referring to fig. 2 and 4, two insulating sleeves 222 are respectively and fixedly connected with worm wheels 231 having the same central axis as the insulating sleeves, and a rotating rod 24 for driving the worm wheels 231 to rotate is rotatably connected to the housing 21 (shown in fig. 1). The side of the worm wheel 231 facing away from the mounting plate 3 abuts against the inner wall of the housing 21.

The rotating rod 24 includes a rotating shaft 241 and a hard insulating sleeve 242 covering the rotating shaft 241, wherein the hard insulating sleeve 242 is tubular and has the same central axis as the rotating rod 24. The outer wall of the hard insulating sleeve 242 is symmetrically provided with two threads 212 which are respectively engaged with the two worm gears 231, wherein the section of the rotating shaft 241 is polygonal, and the inner pipe wall of the hard insulating sleeve 242 is adapted to the outer wall of the rotating shaft 241.

One end of the rotating shaft 241 is rotatably connected to the inner wall of the housing 21, the other end of the rotating shaft 241 is rotatably connected to the housing 21 and penetrates through the housing 21, and one end of the rotating shaft 241 penetrating through the housing 21 is fixedly connected with a handle 243 embedded in the housing 21. The handle 243 is rotatable relative to the housing 21.

The handle 243 includes a connecting block 2431 embedded in the outer wall of the housing 21 and a rotating block 2432 fixedly connected to the side wall of the connecting block 2431 away from the side of the housing 21, the connecting block 2431 is disc-shaped, and the rotating block 2432 is in a straight shape.

Referring to fig. 2 and 5, in order to enable detection even when detecting two-wire insertion holes, the mounting plate 3 is fixedly connected with a ground connection bar 32 parallel to the connection tube 31. The ground wire connecting rod 32 penetrates the mounting plate 3, one end of the ground wire connecting rod 32 is connected to the ground wire terminal of the input wire 11, and the other end of the ground wire connecting rod 32 is rotatably connected to a connecting rod 221 perpendicular thereto.

The central axis of the connecting rod 221 is perpendicular to the ground wire insertion piece 22 and the connection piece 23, and both ends of the connecting rod 221 are respectively rotatably connected to the inner wall of the housing 21 (shown in fig. 1). The ground insert 22 is fixedly connected to the connecting rod 221.

Referring to fig. 2 and 5, cams 223 are fixedly coupled to both ends of the connecting rod 221, respectively, and a base circle of the cam 223 is concentric with a central axis of the connecting rod 221. The line of symmetry of the cam 223 forms an obtuse angle with the central axis of the ground insert 22, so that the eccentric portion of the cam 223 is located on the side of the ground insert 22 facing the lug 23 when the ground insert 22 is perpendicular to the mounting plate 3. Wherein the rotation angle of the ground wire insertion piece 22 is 90 ° and the rotation plane thereof is perpendicular to the connection rod 221.

The connecting rod 221 has two ends respectively provided with a mounting seat 25, and the mounting seats 25 are fixedly connected to the inner wall of the housing 21. The opposite sides of the two mounting seats 25 are respectively provided with a limiting groove 251 with an opening in opposite direction, a pressing plate 252 is connected in the limiting groove 251 in a sliding manner, the pressing plate 252 is parallel to the mounting plate 3, the pressing plate 252 is positioned between the connecting rod 221 and the mounting plate 3, and the outer ring edge of the cam 223 abuts against the plate surface of the pressing plate 252 on one side facing the connecting rod 221.

A pressing spring 253 is disposed in the limiting groove 251, and a central axis of the pressing spring 253 is perpendicular to the pressing plate 252. One end of the pressing spring 253 abuts against the pressing plate 252, and the other end of the pressing spring 253 is fixedly connected to the side wall of the limiting groove 251 parallel to the pressing plate 252.

Referring to fig. 5 and 6, the housing 21 is opened with a placement groove 211 for placing the ground blades 22, and the placement groove 211 is opened toward the outside of the housing 21. Wherein the ground blades 22 may be placed in the placement slots 211 or disengaged from the placement slots 211 when rotated.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an indoor wiring detection device that works a telephone switchboard, includes tester body (1), connects input line (11) in the test end of tester body (1) and communicates in input line (11) keep away from plug (2) of tester body (1) one end, its characterized in that: the plug (2) comprises a shell (21), a ground wire insert (22) and two lugs (23) which are respectively used for inserting a zero line and a live wire, wherein one ends of the two lugs (23) inserted in the shell (21) are respectively and fixedly connected with a worm wheel (231), the worm wheel (231) is an insulating worm wheel made of hard insulating materials, a rotating rod (24) is rotationally connected in the shell (21), the rotating rod (24) is symmetrically provided with two threads (212) which are respectively meshed with the two worm gears (231), both ends of the rotating rod (24) are rotatably connected with the shell (21), one end of the rotating rod (24) penetrates out of the shell (21), the two lugs (23) are rotatably connected with the shell (21), the ground wire plug-in sheet (22) and the two lug sheets (23) are mutually vertical, the central connecting line of the three is triangular, the ground wire insert (22) and the two lug pieces (23) are respectively communicated with the corresponding terminals of the input wire (11).

2. The indoor wiring connection detecting device according to claim 1, characterized in that: the part of the lug plate (23) penetrating into the shell (21) is sleeved with an insulating sleeve (222) made of insulating materials.

3. The indoor wiring connection detecting device according to claim 2, characterized in that: the rotating rod (24) comprises a rotating shaft (241) and a hard insulating sleeve (242) sleeved on the rotating shaft (241), and the thread (212) is arranged on the hard insulating sleeve (242).

4. The indoor wiring connection detecting device according to claim 3, characterized in that: fixedly connected with perpendicular to the mounting panel (3) of the central axis of lug (23) in shell (21), a plurality of wire barrel (31) that do not link up are inserted in mounting panel (3), tip that lug (23) penetrated shell (21) is inserted and is located in wire barrel (31), the one end that input line (11) was kept away from in wire barrel (31) runs through mounting panel (3) and extends towards one side that lug (23) were kept away from in mounting panel (3), zero fire line wiring end difference fixed connection of input line (11) is in the wire barrel (31) that the grafting has lug (23).

5. The indoor wiring connection detecting device according to claim 4, characterized in that: one end of the rotating rod (24) penetrating through the shell (21) is fixedly connected with a handle (243).

6. The indoor wiring connection detecting device according to claim 5, characterized in that: the handle (243) is embedded in the shell (21), the handle (243) comprises a connecting block (2431) embedded in the shell (21) and a rotating block (2432) fixedly connected to one side, deviating from the shell (21), of the connecting block (2431), and the rotating block (2432) is in a straight shape.

7. The indoor wiring connection detecting device according to claim 6, characterized in that: mounting panel (3) fixedly connected with ground wire connecting rod (32), the one end of ground wire connecting rod (32) communicates in the ground wire wiring end of input line (11), the other end of ground wire connecting rod (32) is rotated and is connected in ground wire inserted sheet (22), standing groove (211) have been seted up in shell (21), standing groove (211) opening orientation deviates from one side of mounting panel (3), can arrange in standing groove (211) or perpendicular to standing groove (211) when ground wire inserted sheet (22) rotate.

8. The indoor wiring connection detecting device according to claim 7, characterized in that: one end of the ground wire insert (22) penetrating into the shell is fixedly connected with a connecting rod (221) vertical to the wiring pipe (31) and the ground wire insert (22), the connecting rod (221) is rotatably connected to the inner wall of the shell (21), the ground wire connecting rod (32) is rotatably connected to the connecting rod (221), the two ends of the connecting rod (221) are respectively provided with an installation seat (25), the two ends of the connecting rod (221) are respectively and fixedly connected with a cam (223), one opposite sides of the two installation seats (25) are respectively connected with a pressing plate (252) in a sliding manner, the edge of the outer ring of the cam (223) abuts against the pressure plate (252), one side of the pressure plate (252) departing from the cam (223) is provided with a pressing spring (253), one end of the pressing spring (253) abuts against the pressing plate (252), and the other end of the pressing spring (253) is fixedly connected to the mounting seat (25).