Circuit testing device

Abstract

The utility model discloses a circuit testing device which comprises a body and a plurality of fixing mechanisms used for fixing lines, each fixing mechanism comprises a fixing seat and a fixing sliding cover, the fixing seats are installed on the upper surface of the body, the front end faces of the fixing seats are provided with wire inlet holes, the upper surfaces of the fixing seats are provided with connecting grooves, and the connecting grooves are connected with the fixing sliding covers. Two guide holes are formed in the left side wall and the right side wall of the connecting groove respectively, the guide holes comprise a lower horizontal hole, an inclined hole and an upper horizontal hole, the lower horizontal hole and the upper horizontal hole are formed in the lower end and the upper end of the inclined hole respectively, and the lower horizontal hole, the inclined hole and the upper horizontal hole communicate with each other; the sliding rods slide in the corresponding guide holes, and the fixed sliding covers slide in the connecting grooves. According to the utility model, the problem of poor contact possibly caused by unstable connection at the wiring position of the wire and the tester in the process of testing the line by the existing power transmission and distribution line tester is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of line fault test equipment, specifically relates to a circuit test device of stable connection. BACKGROUND

[0002] The power transmission and distribution line tester is a device for detecting the faults of the power transmission and distribution line, which is used for detecting the open circuit, short circuit, poor contact and other faults of the line and can locate the fault point. Common power transmission and distribution line fault testers include a power transmission line fault distance tester and a power distribution line grounding fault locator. These instruments can measure the voltage, current and other parameters on the line to determine the type and position of the fault.

[0003] In the structure of the current tester, multiple wires are plugged thereon, and then the line is tested. During the testing process, the connection between the wires and the tester may be unstable, which may lead to poor contact and affect the accuracy of the line test. SUMMARY

[0004] To solve the problem that the existing power transmission and distribution line tester may have poor contact due to unstable connection between the wires and the tester during the testing process of the line, the utility model provides a circuit test device with stable connection,

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A circuit test device includes a body and multiple fixing mechanisms for fixing the line. The fixing mechanism includes a fixing seat and a fixing sliding cover. The fixing seat is installed on the upper surface of the body. The front end surface of the fixing seat is provided with a wire inlet hole. The upper surface of the fixing seat is provided with a connecting groove. The left and right side walls of the connecting groove are respectively provided with two guide holes. The guide hole includes a lower horizontal hole, an inclined hole and an upper horizontal hole. The lower horizontal hole and the upper horizontal hole are respectively arranged at the lower end and the upper end of the inclined hole. The lower horizontal hole, the inclined hole and the upper horizontal hole are communicated. The left and right side surfaces of the fixing sliding cover are respectively provided with two sliding rods. The sliding rods slide in the corresponding guide holes. The fixing sliding cover slides in the connecting groove.

[0007] Preferably, the groove bottom of the connecting groove is provided with a wire passing groove. The wire passing groove is communicated with the wire inlet hole.

[0008] Preferably, the lower surface of the fixing sliding cover is provided with a wire pressing groove. The wire pressing groove is correspondingly arranged with the wire passing groove.

[0009] Preferably, multiple rubber bands are arranged in the wire pressing groove and the wire passing groove. The multiple rubber bands arranged in the wire pressing groove and the wire passing groove can more stably fix the wires in the fixing mechanism and prevent the wires from sliding out of the fixing mechanism.

[0010] Preferably, the upper surface of the front side wall of the fixing seat is provided with a cylindrical pressing groove, and the inner side surface of the front side wall of the fixing seat is provided with a vertical hole in communication with the pressing groove.

[0011] Preferably, a pressing block is slidably arranged in the pressing groove, the side surface of the pressing block close to the vertical hole is provided with an anti-escape hook, the upper surface of the free end of the anti-escape hook is inclined, and the anti-escape hook is slidably arranged in the vertical hole; and a return spring is fixed between the lower surface of the pressing block and the groove bottom of the pressing groove.

[0012] Preferably, the front end surface of the fixing sliding cover is provided with a clamping groove, and the top wall of the clamping groove is provided with an anti-escape block. The anti-escape hook and the anti-escape block are matched to fix the fixing seat and the fixing sliding cover, so that the fixing seat and the fixing sliding cover are prevented from being separated.

[0013] Preferably, a plurality of wire holders are further arranged, the wire holders are fixed to the upper surface of the body, the plurality of wire holders are arranged in correspondence with the plurality of fixing mechanisms, and the wire holders are located at the rear ends of the fixing mechanisms.

[0014] Preferably, the wire holder is provided with a wire block, and the front side surface of the wire block is provided with a wire groove.

[0015] Preferably, the opening end of the wire groove is provided as a flared opening. The opening end of the wire groove is provided as a flared opening, so that the wire end can be more easily inserted into the wire groove.

[0016] The utility model has the following beneficial effects:

[0017] According to the technical scheme, when the circuit is tested, the wire end of the electric wire is inserted into the fixing seat from the wire inlet hole, the wire end of the electric wire moves along the wire passing groove, and the wire end is inserted into the wire groove of the wire block, then the fixing sliding cover is pushed forward, the sliding rod slides downward along the guide hole, the fixing sliding cover slides downward, the fixing seat and the fixing sliding cover are close to each other, and the electric wire is clamped, so that the electric wire can be stably fixed and prevented from being pulled out of the fixing mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a schematic structural view of the whole circuit testing device according to the preferred embodiment of the utility model;

[0019] Figure 2 Fig. 2 is a schematic structural view of the fixing mechanism in the circuit testing device according to the preferred embodiment of the utility model;

[0020] Figure 3 Fig. 3 is a schematic structural view of the front end of the fixing seat in the circuit testing device according to the preferred embodiment of the utility model;

[0021] Figure 4The utility model discloses a kind of fixed seat and wiring seat's stereoscopic section view schematic diagram of stable connection of circuit testing device of preferred embodiment of the utility model;

[0022] Figure 5 For Figure 4 The enlarged view of A part in Fig.

[0023] Figure 6 For the structure diagram of fixed sliding cover in the stable connection of circuit testing device of preferred embodiment of the utility model;

[0024] Figure 7 For Figure 6 The enlarged view of B part in Fig.

[0025] Figure 8 For the structure diagram of guiding branch mechanism in the stable connection of circuit testing device of preferred embodiment of the utility model.

[0026] In the drawing, 1, main body;2, fixed mechanism;21, fixed seat;211, wire inlet hole;212, connecting groove;213, guide hole;2131, lower horizontal hole;2132, inclined hole;2133, upper horizontal hole;214, pressing groove;215, vertical hole;216, wire passing groove;22, fixed sliding cover;221, wire pressing groove;222, sliding rod;223, clamping groove;224, anti-drop block;3, guiding branch mechanism;31, connecting seat;32, support;33, guide wheel;4, wiring seat;5, rubber band;6, wiring block;61, wiring groove;7, pressing block;71, anti-drop hook;8, reset spring. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in connection with the drawings and examples.

[0028] As Figures 1-8 The utility model discloses a kind of circuit testing devices with the advantage of stable connection, it includes main body 1 and multiple fixed mechanism 2 for fixing line, each fixed mechanism 2 includes fixed seat 21 and fixed sliding cover 22, the upper surface of fixed sliding cover 22 is equipped with anti-slip pattern. Multiple fixed seat 21 is evenly installed on the upper surface of main body 1, the front end surface of fixed seat 21 is equipped with wire inlet hole 211, the upper surface of fixed seat 21 is equipped with connecting groove 212, two guide holes 213 are respectively equipped in the left and right side walls of connecting groove 212, guide hole 213 includes lower horizontal hole 2131, inclined hole 2132 and upper horizontal hole 2133, lower horizontal hole 2131 and upper horizontal hole 2133 are respectively arranged at the lower end and upper end of inclined hole 2132, lower horizontal hole 2131, inclined hole 2132 and upper horizontal hole 2133 are communicated, the left and right sides of fixed sliding cover 22 are equipped with two sliding rods 222 respectively, sliding rod 222 slides in corresponding guide hole 213, fixed sliding cover 22 slides in connecting groove 212. As Figure 4、 6 As shown in the drawings, in the embodiment, the groove bottom of the connecting groove 212 is provided with a wire passing groove 216, which is in communication with the wire inlet hole 211. The lower surface of the fixing sliding cover 22 is provided with a wire pressing groove 221, which is correspondingly arranged with the wire passing groove 216.

[0029] As shown in the drawings, Figure 4 and Figure 6 the wire pressing groove 221 and the wire passing groove 216 are each provided with a plurality of rubber bands 5. The plurality of rubber bands 5 arranged in the wire pressing groove 221 and the wire passing groove 216 can more stably fix the electric wire in the fixing mechanism 2, preventing the electric wire from sliding out of the fixing mechanism 2.

[0030] As shown in the drawings, Figure 3 , 5 the upper surface of the front side wall of the fixing seat 21 is provided with a cylindrical pressing groove 214, and the inner side surface of the front side wall of the fixing seat 21 is provided with a vertical hole 215, which is in communication with the pressing groove 214. A pressing block 7 is slidably arranged in the pressing groove 214, and the side surface of the pressing block 7 close to the vertical hole 215 is provided with an anti-disengagement hook 71, the free end of the anti-disengagement hook 71 is provided with an inclined surface, and the anti-disengagement hook 71 is slidably arranged in the vertical hole 215; a return spring 8 is fixed between the lower surface of the pressing block 7 and the groove bottom of the pressing groove 214.

[0031] As shown in the drawings, Figure 7 the front end surface of the fixing sliding cover 22 is provided with a clamping groove 223, and the top wall of the slot of the clamping groove 223 is provided with an anti-disengagement block 224.

[0032] As shown in the drawings, Figure 1 , 2 , 4, the circuit testing device disclosed in the embodiment further comprises a plurality of wire holders 4, which are fixed on the upper surface of the body 1, and the plurality of wire holders 4 are correspondingly arranged with the plurality of fixing mechanisms 2, and the wire holders 4 are located at the rear end of the fixing mechanisms 2. The wire holder 4 is provided with a wire block 6, which is made of metal material, and the wire block 6 is electrically connected with the body 1, and the front side surface of the wire block 6 is provided with a wire groove 61. In the embodiment, the opening end of the wire groove 61 is provided as a flared opening. In the embodiment, the opening end of the wire groove 61 is provided as a flared opening, so that the wire end can be more easily inserted into the wire groove 61.

[0033] As shown in the drawings, Figure 1 , 8As shown, the upper surface of the tester body 1 is also provided with a plurality of guide branch mechanisms 3, the plurality of guide branch mechanisms 3 are respectively arranged corresponding to the plurality of fixing mechanisms 2, and the guide branch mechanisms 3 are located in front of the fixing mechanisms 2. Each guide branch mechanism 3 comprises a connecting seat 31, a bracket 32 and a guide wheel 33; the connecting seat 31 is fixed on the upper surface of the body 1, the bracket 32 is fixed on the upper surface of the connecting seat 31, and the bracket 32 is provided with two in the front-rear direction; two guide wheels 33 are rotatably arranged in each bracket 32, and the two guide wheels 33 are arranged in the vertical direction, and a wire passing space is left between the upper and lower guide wheels 33. The guide branch mechanism 3 can prevent the winding of the plurality of wires, and has the effect of wire arrangement.

[0034] In the technical scheme, when the line is tested, the wire is passed between the two guide wheels 33 in front of the guide branch mechanism 3 and between the two guide wheels 33 in the rear, and then the wire head is inserted into the fixing seat 21 from the wire inlet hole 211, the wire head moves along the wire passing groove 216, and the wire head is inserted into the wire connection groove 61 of the wire connection block 6. Then, the fixing slide cover 22 is pushed forward, the slide rod 222 slides forward along the upper horizontal hole 2133, the fixing slide cover 22 is continuously pushed forward, the slide rod 222 enters the inclined hole 2132, the slide rod 222 slides downward along the inclined hole 2132, the fixing slide cover 22 slides downward, and after the slide rod 222 enters the lower horizontal hole 2131, the fixing slide cover 22 is continuously pushed forward, the slide rod 222 slides forward in the lower horizontal hole 2131, the slope of the anti-dropping hook 71 abuts against the anti-dropping block 224, the anti-dropping hook 71 moves downward, the pressing block 7 moves downward, the reset spring 8 is compressed, the anti-dropping hook 71 is separated from the anti-dropping block 224 after the anti-dropping hook 71 enters the clamping groove 223, the reset spring 8 returns, the anti-dropping hook 71 moves upward, and the anti-dropping hook 71 and the anti-dropping block 224 cooperate to fix the fixing seat 21 and the fixing slide cover 22. In this way, the wire is fixed between the fixing slide cover 22 and the fixing seat 21, and the wire head can be stably inserted into the wire connection groove 61 of the wire connection block 6. At the same time, the plurality of rubber bands 5 arranged in the wire pressing groove 221 and the wire passing groove 216 can more stably fix the wire in the fixing mechanism 2, so as to prevent the wire from sliding out of the fixing mechanism 2. After the test is completed, the pressing block 7 is pressed downward, the reset spring 8 is compressed, the anti-dropping hook 71 moves downward and separates from the anti-dropping block 224, the fixing slide cover 22 is pushed backward, the anti-dropping hook 71 moves out of the clamping groove 223, the fixing slide cover 22 is continuously pushed backward, the slide rod 222 slides upward along the guide hole 213, the fixing slide cover 22 slides upward, the fixing slide cover 22 and the fixing seat 21 are separated, the fixing of the wire is released, and finally the wire is pulled out of the fixing mechanism 2.

[0035] The preferred embodiment of the utility model has been disclosed as above, but it is not limited to the above-mentioned embodiment.

Claims

1. A circuit testing apparatus, characterized by comprising: The utility model relates to a fixing device for fixing wire, including a body and a plurality of fixing mechanism for fixing line, the fixing mechanism includes fixing seat and fixed sliding cover, fixing seat is installed on the upper surface of body, the front end surface of fixing seat is equipped with the wire inlet hole, the upper surface of fixing seat is equipped with the connecting groove, the left and right two side walls of connecting groove are equipped with two guide holes respectively, the guide hole includes lower horizontal hole, inclined hole and upper horizontal hole, and the lower horizontal hole and upper horizontal hole are arranged respectively in the lower end and upper end of inclined hole, and the lower horizontal hole, inclined hole and upper horizontal hole are communicated, the left and right side of fixed sliding cover are equipped with two slide rods respectively, and the slide rod slides in the corresponding guide hole, and fixed sliding cover slides in the connecting groove.

2. A circuit testing apparatus according to claim 1, wherein The bottom of the connecting groove is provided with a wire passing groove, and the wire passing groove is communicated with the wire inlet hole.

3. A circuit testing apparatus according to claim 2, wherein The lower surface of the fixed sliding cover is provided with a wire pressing groove, and the wire pressing groove is correspondingly arranged with the wire passing groove.

4. A circuit testing apparatus according to claim 3, wherein A plurality of rubber bands are arranged in the wire passing groove and the wire pressing groove.

5. A circuit testing apparatus according to claim 1, wherein The upper surface of the front side wall of the fixing seat is provided with a cylindrical pressing groove, and the inner side of the front side wall of the fixing seat is provided with a vertical hole, which is communicated with the pressing groove.

6. A circuit testing apparatus according to claim 5, wherein A pressing block is slidably arranged in the pressing groove, and the side surface of the pressing block close to the vertical hole is provided with an anti-disengagement hook, the upper surface of the free end of the anti-disengagement hook is inclined, and the anti-disengagement hook is slidably arranged in the vertical hole.

7. A circuit testing apparatus according to claim 6, characterised in that, A return spring is arranged between the lower surface of the pressing block and the bottom of the pressing groove.

8. A circuit testing apparatus according to claim 1, wherein The front end surface of the fixed sliding cover is provided with a clamping groove, and the top wall of the clamping groove is provided with an anti-disengagement block.

9. A circuit testing apparatus according to claim 8, wherein, A plurality of wire holders are arranged on the upper surface of the body, and the wire holders are correspondingly arranged with the fixing mechanisms, and the wire holders are arranged at the rear end of the fixing mechanisms. The wire holder is provided with a wire block, and the front side of the wire block is provided with a wire groove.

Images