CN215932097U

CN215932097U - Weak current line fault detection device

Info

Publication number: CN215932097U
Application number: CN202121939755.XU
Authority: CN
Inventors: 刘晓国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-01
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a weak current line fault detection device, which comprises a shell, wherein one side of the shell is fixedly connected with three wiring devices which are distributed at equal intervals, each wiring device comprises a metal column, the bottom of each metal column is provided with a wire insertion hole, the outer part of each metal column is sleeved with a protective cover, the top of each wire insertion hole is provided with a sliding cavity, the bottom end of each sliding cavity is communicated with the wire insertion hole, the top end of each sliding cavity is in threaded connection with a top cover, two sides of the middle part of each sliding cavity are provided with spring cavities, the inner part of each sliding cavity is movably connected with a pressing block, when the weak current line fault detection device is used, a lead of a weak current line to be detected penetrates into the wire insertion hole, the protective covers are loosened, under the pulling force of the springs, the pressing end heads can tightly fix a lead clamp, the lead fixing mode is simple, the operation wiring efficiency is high, and the lead cannot be damaged during wiring, the practicality of the device is stronger.

Description

Weak current line fault detection device

Technical Field

The utility model belongs to the technical field of circuit detection devices, and particularly relates to a weak current line fault detection device.

Background

The weak current generally refers to a direct current circuit or an audio frequency circuit, a video frequency circuit, a network circuit and a telephone circuit, the alternating current voltage is generally within 36V, all household appliances such as telephones, computers and television signal input devices and audio devices in the household appliances are weak current electric devices, voltage meters, current meters and the like are common devices for detecting circuit faults, when the existing weak current circuit fault detection device is used for wiring, a nut on a wiring terminal is screwed to clamp a lead of a circuit, the wiring mode is low in efficiency, when the circuit is detected, wiring detection is often required for multiple times, the detection efficiency is low, and when the nut is screwed, part of thin leads are easily clamped off, and lead heads are uneven.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a weak current line fault detection device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a weak current line fault detection device comprises a shell, wherein one side of the shell is fixedly connected with three wiring devices, the three wiring devices are distributed at equal intervals, each wiring device comprises a metal column, the bottom of each metal column is provided with a wire insertion hole, the outer part of each metal column is sleeved with a protective cover, the top of each wire insertion hole is provided with a sliding cavity, the bottom end of each sliding cavity is communicated with the wire insertion hole, the top end of each sliding cavity is in threaded connection with a top cover, two sides of the middle part of each sliding cavity are provided with spring cavities, the inner part of each sliding cavity is movably connected with a pressing block, two of the pressing blocks are both fixedly connected with springs, the two springs are respectively and fixedly connected with the bottom ends of the two spring cavities, the top end of each pressing block is fixedly connected with a connecting rod, the top end of each connecting rod penetrates through the middle part of the top cover, and the top end of each connecting rod is fixedly connected with the top end of the inner wall of the protective cover, the inside fixed mounting of fixed shell has the ampere meter, the equal fixedly connected with wire of three terminal of ampere meter, three the one end of wire respectively with three the bottom fixed welding of metal post.

Preferably, the shell comprises a shell and a bottom plate, the bottom plate is fixedly connected to the bottom end of the shell, the anti-slip pads are fixedly connected to four corners of the bottom end of the bottom plate, a through hole is formed in the middle of one side of the bottom plate, and the through hole is arranged corresponding to the middle of one side of the ammeter.

Preferably, the safety cover comprises a shell and a handle, the top end of the shell is fixedly connected with the handle, U-shaped grooves are formed in two sides of the bottom of the shell, and the U-shaped grooves are correspondingly formed in two ends of the wire inserting holes respectively.

Preferably, the shell and the handle are of an integral structure, and the protective cover is made of polyethylene.

Preferably, the compressing block comprises a compressing column, a compressing end is fixedly connected to the bottom end of the compressing column, a connecting plate is fixedly connected to the top end of the compressing column, and anti-skidding concave grains are formed in the bottom of the compressing end.

Preferably, the bottom of the metal column is fixedly sleeved with a reinforcing ring, and the reinforcing ring is arranged at the joint of the metal column and the shell.

Preferably, the three metal posts are electrically connected with three binding posts of the ammeter through conducting wires respectively.

Compared with the prior art, the utility model has the beneficial effects that: when the device is used, a lead wire of a weak current circuit to be detected penetrates into the wire inserting hole, the protective cover is loosened, the compression end can clamp and fix the lead wire under the tension of the spring, the lead wire fixing mode is simple, the operation wiring efficiency is high, the lead wire cannot be injured during wiring, and the device is higher in practicability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a right side elevation view of the present invention;

FIG. 3 is a schematic perspective view of the wiring device of the present invention;

FIG. 4 is a schematic structural view of a cross-sectional front view of a metal pillar according to the present invention;

fig. 5 is a front cross-sectional view of the wiring device of the present invention.

In the figure: 1. a housing; 11. a housing; 12. a base plate; 13. a non-slip mat; 2. a wiring device; 21. a metal post; 22. a wire insertion hole; 23. a protective cover; 231. a shell; 232. a U-shaped groove; 233. a handle; 24. a slide chamber; 25. a spring cavity; 26. a connecting rod; 27. a top cover; 28. A compression block; 281. compressing the end head; 282. a compression post; 283. a connecting plate; 29. a spring; 3. an ammeter; 4. a wire; 5. a reinforcement ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a weak current line fault detection device comprises a shell 1, wherein one side of the shell 1 is fixedly connected with three wiring devices 2, the three wiring devices 2 are distributed at equal intervals, each wiring device 2 comprises a metal column 21, the bottom of each metal column 21 is provided with a wire insertion hole 22, the outer part of each metal column 21 is sleeved with a protective cover 23, the top of each wire insertion hole 22 is provided with a sliding cavity 24, the bottom end of each sliding cavity 24 is communicated with the wire insertion hole 22, the top end of each sliding cavity 24 is in threaded connection with a top cover 27, two sides of the middle part of each sliding cavity 24 are provided with spring cavities 25, the inner part of each sliding cavity 24 is movably connected with a pressing block 28, two springs 29 of each pressing block 28 are fixedly connected with each other, the two springs 29 are respectively and fixedly connected with the bottom ends of the two spring cavities 25, the top end of each pressing block 28 is fixedly connected with a connecting rod 26, the top end of each connecting rod 26 penetrates through the middle part of the top cover 27, and the top end of each connecting rod 26 is fixedly connected with the top end of the inner wall of the protective cover 23, the inside fixed mounting of fixed shell 1 has ampere meter 3, and the equal fixedly connected with wire 4 of three terminal of ampere meter 3, the one end of three wire 4 respectively with the bottom fixed welding of three metal column 21.

Preferably, shell 1 includes casing 11 and bottom plate 12, and bottom plate 12 fixed connection is in casing 11's bottom, and the equal fixedly connected with slipmat 13 in four corners of bottom plate 12 bottom, the through-hole has been seted up at the middle part of bottom plate 12 one side, and the through-hole corresponds the setting with the middle part of ampere meter 3 one side, and the stability that the device was laid can be improved in slipmat 13's use, and seting up of through-hole is convenient for zero setting to ampere meter 3.

Preferably, the protection cover 23 comprises a shell 231 and a handle 233, the handle 233 is fixedly connected to the top end of the shell 231, U-shaped grooves 232 are formed in two sides of the bottom of the shell 231, the two U-shaped grooves 232 correspond to two ends of the wire insertion hole 22 respectively, and the protection cover 23 protects the metal column 21.

Preferably, the housing 231 and the handle 233 are of an integral structure, the protective cover 23 is made of polyethylene, and the protective cover 23 is an insulator, so that the integral structure has higher strength.

Preferably, the compact heap 28 is including compressing tightly post 282, and the bottom fixedly connected with who compresses tightly post 282 compresses tightly the end 281, compresses tightly the top fixedly connected with connecting plate 283 of post 282, and the bottom that compresses tightly end 281 has seted up anti-skidding dimpled grain, and during the use upwards carries and draws safety cover 23, then will wait to detect the lead wire of weak current circuit and penetrate the inside of plug wire hole 22, loosens safety cover 23, compresses tightly end 281 and can press from both sides the lead wire firmly fixedly.

Preferably, the fixed cover in bottom of metal column 21 is equipped with beaded finish 5, and beaded finish 5 sets up the junction at metal column 21 and casing 11, and beaded finish 5's use can improve the stability that termination 2 and shell 1 are connected, avoids pulling behind safety cover 23 many times, and is not hard up between metal column 21 and the casing 11.

Preferably, the three metal posts 21 are electrically connected with the three terminals of the ammeter 3 through the wires 4, respectively, and when in use, the external lead is connected with the metal posts 21, and then the three metal posts can be electrically connected with the ammeter 3, and the ammeter 3 detects whether the current in the circuit is stable.

The working principle and the using process of the utility model are as follows: after the device is installed, the installation and the safety protection of the device are firstly checked, then the device can be used, when in use, the protective cover 23 is lifted upwards, the compaction block 28 is integrally pulled upwards, then the lead of a weak current circuit to be detected is inserted into the plug wire hole 22, the protective cover 23 is loosened, under the pulling force of the spring 29, the compression end 281 can clamp and fix the lead, the lead fixing mode is simple, the operation and the wiring efficiency are high, the lead cannot be damaged during wiring, the external lead can be electrically connected with the ammeter 3 after being connected with the metal post 21, the current parameter in the side circuit of the ammeter 3 can be detected to detect whether the circuit is normal, the use of the antiskid pad 13 can improve the installation stability of the device, the through hole is arranged to facilitate the zero adjustment of the ammeter 3, the protective cover 23 not only plays the role of lifting the compaction block 28, but also can protect the metal post 21, the use of the reinforcing ring 5 can improve the stability of the connection between the wiring device 2 and the shell 1, avoid looseness between the metal column 21 and the shell 11 after the protective cover 23 is pulled for many times, and prolong the service life of the device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A weak current line fault detection device, includes shell (1), its characterized in that: one side of the shell (1) is fixedly connected with wiring devices (2), the number of the wiring devices (2) is three, the wiring devices (2) are distributed at equal intervals, each wiring device (2) comprises a metal column (21), a wire inserting hole (22) is formed in the bottom of each metal column (21), a protective cover (23) is sleeved outside each metal column (21), a sliding cavity (24) is formed in the top of each wire inserting hole (22), the bottom end of each sliding cavity (24) is communicated with the corresponding wire inserting hole (22), a top cover (27) is in threaded connection with the top end of each sliding cavity (24), spring cavities (25) are formed in the two sides of the middle of each sliding cavity (24), a pressing block (28) is movably connected inside each sliding cavity (24), springs (29) are fixedly connected with the two bottoms of the pressing blocks (28), and the two springs (29) are respectively and fixedly connected with the two bottoms of the spring cavities (25), the top fixedly connected with connecting rod (26) of compact heap (28), the middle part of top cap (27) is run through on the top of connecting rod (26), and the top of connecting rod (26) and the top fixed connection of safety cover (23) inner wall, fix the inside fixed mounting of shell (1) has ampere meter (3), the equal fixedly connected with wire (4) of three terminal of ampere meter (3), three the one end of wire (4) respectively with three the bottom mounting welding of metal column (21).

2. The weak current line fault detection device according to claim 1, wherein: the shell (1) comprises a shell (11) and a bottom plate (12), the bottom plate (12) is fixedly connected to the bottom end of the shell (11), anti-slip pads (13) are fixedly connected to four corners of the bottom end of the bottom plate (12), a through hole is formed in the middle of one side of the bottom plate (12), and the through hole corresponds to the middle of one side of the ammeter (3).

3. The weak current line fault detection device according to claim 1, wherein: protective cover (23) include shell (231) and handle (233) constitution, the top fixedly connected with handle (233) of shell (231), U-shaped groove (232), two have all been seted up to the both sides of shell (231) bottom U-shaped groove (232) correspond the setting with the both ends of plug wire hole (22) respectively.

4. A weak current line fault detection apparatus according to claim 3, wherein: the shell (231) and the handle (233) are of an integral structure, and the protective cover (23) is made of polyethylene.

5. The weak current line fault detection device according to claim 1, wherein: the pressing block (28) comprises a pressing column (282), a pressing end head (281) is fixedly connected to the bottom end of the pressing column (282), a connecting plate (283) is fixedly connected to the top end of the pressing column (282), and anti-skidding concave grains are formed in the bottom of the pressing end head (281).

6. The weak current line fault detection device according to claim 2, wherein: the fixed cover in bottom of metal column (21) is equipped with beaded finish (5), beaded finish (5) set up the junction at metal column (21) and casing (11).

7. The weak current line fault detection device according to claim 1, wherein: the three metal columns (21) are electrically connected with three binding posts of the ammeter (3) through leads (4) respectively.