CN211453713U

CN211453713U - Voltage-withstanding insulation resistance tester

Info

Publication number: CN211453713U
Application number: CN201922430256.7U
Authority: CN
Inventors: 张占伟
Original assignee: Tianjin Chengxin Huijin Technology Co ltd
Current assignee: Tianjin Chengxin Huijin Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-08
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a voltage-resistant insulation resistance tester, which comprises a detector, wherein the bottom end of the detector is connected with a lead, the outer side end of the lead is inserted with a jointing clamp, the rear end of the jointing clamp is hinged with a clamping jaw which can realize two holding modes of a flat clamping lead and a groove clamping lead in a turnover way, the utility model is provided with the jointing clamp with the clamping jaw which can be turned over, the jointing clamp is matched with the detector to detect, when in use, according to the different shapes of a piece to be detected, a proper clamping surface is selected, if the wire end of stranded copper wires is clamped by one end of a clamping plate, the copper wires are flattened, the clamping area is increased, the resistance is reduced, the holding stability is improved, when in clamping under the situation of a single copper wire or a jointing rod, the supporting plate is turned over one hundred eighty degrees, the clamping groove is used for clamping, the clamping force is improved by the meshing effect of the same clamping groove, the existing jointing, single use mode, low suitability and high risk.

Description

Voltage-withstanding insulation resistance tester

Technical Field

The utility model relates to an insulation resistance measuring apparatu technical field specifically is a withstand voltage insulation resistance tester.

Background

The insulation resistance measuring instrument is mainly used for measuring the insulation resistance of equipment such as large transformers, mutual inductors, generators, high-voltage motors, power capacitors, power cables, lightning arresters and the like, in the using process of the existing insulation resistance measuring instrument, a simple wiring clamp is mostly adopted for connection and electrification between a lead and an element to be detected, but the existing wiring clamp is simpler in structure, single in clamping mode and lower in adaptability, particularly, the voltage of the insulation resistance measuring instrument is high-voltage electricity during measurement, the single-point contact mode of the existing wiring clamp is small in power connection area, so that the resistance of a power connection point is very high, heat is easy to generate, the danger is higher, and in view of the above problems, the voltage-resistant insulation resistance measuring instrument is particularly provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage insulation resistance tester to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a withstand voltage insulation resistance tester, includes the detector, the bottom of detector is linked there is the wire, the outside end of wire is pegged graft and is had the binding clip, the rear end of binding clip articulates there is the clamping jaw that can overturn and realize two kinds of modes of adding holding of dull and stereotyped centre gripping wire and recess centre gripping wire.

Preferably, the detector comprises a testing machine, a display screen is assembled on the upper surface of the testing machine, a groove is formed in the upper surface of the testing machine, a control button is assembled on the inner surface of the groove, a wiring hole is formed in the front end of the testing machine, a wiring block is inserted into the inner surface of the wiring hole, and the front end of the wiring block is connected to the inner side end of the lead.

Preferably, the terminal clamp comprises a first handle and a second handle, the middle parts of the first handle and the second handle are hinged together, the inner surfaces of the front ends of the first handle and the second handle are respectively provided with a wire inserting pipe, and the inner surface of the wire inserting pipe is connected to the outer surface of the wire.

Preferably, the inner side surfaces of the first handle and the second handle are provided with hinged sheets, the center of each hinged sheet is provided with a shaft hole, the inner surface of each shaft hole is provided with a connecting shaft, the rear surfaces of the first handle and the second handle are provided with connecting sheets, and the center of each connecting sheet is provided with a sleeve hole.

Preferably, the clamping jaw includes fixed button, fixed button cup joints the internal surface in trepanning, the rear surface of fixed button is equipped with the stationary blade, the rear surface of stationary blade is equipped with the backing sheet, the cuff has been seted up at the middle part of backing sheet, the internal surface of cuff articulates there is the cover axle, the inboard surface of cover axle is equipped with the clamp plate, the outside surface of backing sheet is equipped with the wire clamping groove.

Preferably, the side surface of the wire clamping groove is uniformly provided with clamping grooves, the outer surface of the middle part of the connecting shaft is sleeved with a torsion spring, and the outer side end of the torsion spring is clamped on the inner surfaces of the first handle and the second handle respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses set up a binding clip with clamping jaw that can overturn, the insulation resistance who detects the piece is detected to the cooperation detector, when using, according to the shape of detecting the piece is different, select suitable clamping face, if the wiring end of stranded copper wire class uses clamp plate one end centre gripping, flatten the copper wire after, improve the grip area, reduce resistance, it is stable to add to hold, when the centre gripping under the situation of single copper wire or binding post, then with backing sheet upset one hundred eighty degrees, use the wire clamping groove to carry out the centre gripping, meshing effect with the draw-in groove improves the clamping-force, the effectual current binding clip mechanism of having solved is too simple, the user mode is single, the suitability is low, dangerous high problem.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the assembly diagram of the connector clip of the present invention.

Fig. 3 is a schematic view of the split structure of the binding clip of the present invention.

In the figure: 1. the device comprises a detector, 11, a testing machine, 12, a display screen, 13, a groove, 14, a control button, 15, a wiring hole, 16, a wiring block, 17, a lead, 2, a wiring clamp, 21, a first handle, 22, a second handle, 23, a wiring plug, 24, a shaft hole, 25, a connecting shaft, 26, a connecting sheet, 27, a trepanning, 3, a clamping jaw, 31, a fixing button, 32, a fixing sheet, 33, a supporting sheet, 34, a looping, 35, a looping, 36, a wiring clamp, 37, a wiring clamping groove, 38 and a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a withstand voltage insulation resistance tester, includes detector 1, and detector 1's bottom is linked there is wire 17, and the outside end of wire 17 is pegged graft and is had binding clip 2, and the rear end of binding clip 2 articulates there is the clamping jaw 3 that can overturn and realize two kinds of modes of adding holding of dull and stereotyped centre gripping wire and recess centre gripping wire.

The utility model discloses set up a binding clip 2 with clamping jaw 3 that can overturn, cooperation detector 1 detects the insulation resistance who detects the piece, when using, according to the shape of detecting the piece is different, select suitable clamping face, if the wiring end of stranded copper wire class is using the centre gripping of clamp plate 36 one end, flatten the copper wire back, improve the grip area, reduce resistance, add and hold stably, when the centre gripping under the situation of single copper wire or binding post, then with backing sheet 33 upset one hundred eighty degree, use wire clamping groove 37 to carry out the centre gripping, meshing effect with draw-in groove 38 improves the clamping-force, the effectual current binding clip mechanism of having solved is too simple, single use, the suitability is low, dangerous high problem.

Particularly, detector 1 includes test machine 11, and test machine 11's upper surface is equipped with display screen 12, and test machine 11's upper surface is seted up flutedly 13, and recess 13's internal surface is equipped with control button 14, and wiring hole 15 has been seted up to test machine 11's front end, and the internal surface of wiring hole 15 is pegged graft and is had wiring block 16, and the medial extremity at wire 17 is connected to wiring block 16's front end the utility model discloses in use detector 1 be the insulation resistance measuring apparatu that uses most often among the prior art, the reference model is: HT2670, because this equipment is prior art, therefore its application method, detection principle and equipment parameter etc. are in the utility model discloses do not do too much to describe repeatedly.

Specifically, the jointing clamp 2 comprises a first handle 21 and a second handle 22, the middle parts of the first handle 21 and the second handle 22 are hinged together, the inner surfaces of the front ends of the first handle 21 and the second handle 22 are respectively provided with a wire inserting pipe 23, the inner surface of the wire inserting pipe 23 is connected to the outer surface of the conducting wire 17, the outer surfaces of the first handle 21 and the second handle 22 are sleeved with insulating handles made of plastic, and the integral structures of the first handle 21, the second handle 22 and the clamping jaw 3 are all made of metal conductors except for the insulating outer sleeve handles.

Specifically, the inner side surfaces of the first handle 21 and the second handle 22 are provided with hinge pieces, the center of each hinge piece is provided with a shaft hole 24, the inner surface of each shaft hole 24 is provided with a connecting shaft 25, the rear surfaces of the first handle 21 and the second handle 22 are provided with connecting pieces 26, and the center of each connecting piece 26 is provided with a sleeve hole 27.

Specifically, the clamping jaw 3 includes a fixing button 31, the fixing button 31 is sleeved on the inner surface of the trepanning 27, the rear surface of the fixing button 31 is provided with a fixing sheet 32, the rear surface of the fixing sheet 32 is provided with a supporting sheet 33, the middle part of the supporting sheet 33 is provided with a looping 34, the inner surface of the looping 34 is hinged with a looping shaft 35, the inner side surface of the looping shaft 35 is provided with a clamping plate 36, and the outer side surface of the supporting sheet 33 is provided with a clamping groove 37.

Specifically, the side surface of the wire clamping groove 37 is uniformly provided with a clamping groove 38, the outer surface of the middle part of the connecting shaft 25 is sleeved with a torsion spring, and the outer side ends of the torsion spring are respectively clamped on the inner surfaces of the first handle 21 and the second handle 22.

The working principle is as follows: when using, according to waiting to detect the shape of piece different, select suitable clamping face, if the wiring end of stranded copper wire class uses 36 one end centre gripping of clamp plate, flattens the copper wire back, improves the centre gripping area, reduces resistance, adds and holds stably, when the centre gripping under the situation of single copper wire or binding post, then with backing sheet 33 upset one hundred eighty degrees, use wire clamping groove 37 to carry out the centre gripping, improve the clamping-force with the meshing effect of draw-in groove 38.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a withstand voltage insulation resistance tester, includes detector (1), its characterized in that: the bottom of detector (1) is linked there is wire (17), the outside end of wire (17) is pegged graft and is had binding clip (2), the rear end of binding clip (2) articulates there is clamping jaw (3) that can overturn and realize two kinds of modes of adding of dull and stereotyped centre gripping wire and recess centre gripping wire.

2. A voltage resistance insulation resistance tester as claimed in claim 1, wherein: the detector (1) comprises a testing machine (11), a display screen (12) is assembled on the upper surface of the testing machine (11), a groove (13) is formed in the upper surface of the testing machine (11), a control button (14) is assembled on the inner surface of the groove (13), a wiring hole (15) is formed in the front end of the testing machine (11), a wiring block (16) is inserted into the inner surface of the wiring hole (15), and the front end of the wiring block (16) is connected to the inner side end of a lead (17).

3. A voltage resistance insulation resistance tester according to claim 2, characterized in that: the jointing clamp (2) comprises a first handle (21) and a second handle (22), the middle parts of the first handle (21) and the second handle (22) are hinged together, the inner surfaces of the front ends of the first handle (21) and the second handle (22) are respectively provided with a wire inserting pipe (23), and the inner surface of the wire inserting pipe (23) is connected to the outer surface of a lead (17).

4. A voltage resistance insulation resistance tester according to claim 3, characterized in that: the inner side surfaces of the first handle (21) and the second handle (22) are provided with hinged sheets, the center of each hinged sheet is provided with a shaft hole (24), the inner surface of each shaft hole (24) is provided with a connecting shaft (25), the rear surfaces of the first handle (21) and the second handle (22) are provided with connecting sheets (26), and the center of each connecting sheet (26) is provided with a trepanning (27).

5. A voltage resistance insulation resistance tester as claimed in claim 4, wherein: clamping jaw (3) are including fixed button (31), the internal surface at trepanning (27) is cup jointed in fixed button (31), the rear surface of fixed button (31) is equipped with stationary blade (32), the rear surface of stationary blade (32) is equipped with backing sheet (33), cuff (34) have been seted up at the middle part of backing sheet (33), the internal surface of cuff (34) articulates there is sleeve shaft (35), the inboard surface of sleeve shaft (35) is equipped with clamp plate (36), the outside surface of backing sheet (33) is equipped with wire clamping groove (37).

6. A voltage resistance insulation resistance tester as claimed in claim 5, wherein: clamping grooves (38) are uniformly formed in the side surface of the wire clamping groove (37), a torsion spring is sleeved on the outer surface of the middle of the connecting shaft (25), and the outer side end of the torsion spring is clamped on the inner surfaces of the first handle (21) and the second handle (22) respectively.