CN112379136A

CN112379136A - Current device convenient for circuit detection

Info

Publication number: CN112379136A
Application number: CN202011262734.9A
Authority: CN
Inventors: 张连军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-19

Abstract

The invention relates to the field of a current device, in particular to a current device convenient for circuit detection, which comprises a detection main body, a fixing mechanism, a winding mechanism, a limiting mechanism, a folding mechanism and a clamping mechanism, wherein the detection main body is provided with a first fixing part and a second fixing part; the detection main body can be conveniently carried on the body of a user through the fixing mechanism, loss of the detection main body is avoided, regular storage of cables into the detection main body is facilitated through the winding mechanism, the cables are prevented from being scattered and damaged by scraping and rubbing in the outside, attractiveness of the detection main body is improved, the cables can be fixedly limited by the limiting mechanism, the cables are prevented from accidentally sliding out of the detection main body, the illuminating part can be conveniently opened in a dark corner through the folding mechanism, an auxiliary maintainer can conveniently find out the part to be checked, overhauling efficiency is improved, a closed loop can be conveniently formed for the lines to be overhauled through the clamping mechanism, and different parts or cables can be clamped and fixed by the clamping and fixing part.

Description

Current device convenient for circuit detection

Technical Field

The invention relates to the field of current devices, in particular to a current device convenient for circuit detection.

Background

The current transformer functions to provide current to an inductive current load according to a current command, and is essentially a controlled current source. The current device is generally composed of four parts, namely a power supply, a power electronic circuit, an inductive load, a controller and the like, and is controlled in a closed loop mode by adopting output current.

The current ware is generally used for making the judgement to the trend and the impaired condition of one section circuit, when needs overhauld for the inside cable inlet wire of car, because traditional detection uses the current ware mostly not to set up personal fixed part, then the maintenance person is not convenient for carry it and shuttles back and forth in the car in narrow and small space, and general detection is that the cable is external mostly for the current ware for the cable is external, makes the cable cut off by external sharp-edged ware and scratches or hang up easily, thereby has hindered the maintenance process and has increased extra use cost.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a current device which is convenient for circuit detection.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a make things convenient for electric current ware of circuit detection, is including detecting main part, fixed establishment, roll-up mechanism, stop gear, folding mechanism and fixture, be used for with it is on one's body that the detection main part is fixed in the operator the fixed establishment is located one side of detection main part is used for accomodating into the cable part of transmission current signal inside the roll-up mechanism locates the inside of detection main part is used for carrying out spacing fixed to the cable part of release stop gear locates the inside of detection main part, just stop gear with roll-up mechanism is connected for make things convenient for searchlighting the part and opening and shutting the use folding mechanism locates one side of detection main part is used for forming the return circuit and be convenient for laminating electrically conductive to required detection article fixture locates one side of folding mechanism.

Specifically, fixed establishment includes clamp splice, gasket, lead screw and turns round the board, one side of detecting the main part is rotated and is had the tip to be curved the clamp splice, the middle part of clamp splice slides and has the lead screw, the one end of lead screw extends to detect the inside and the threaded connection of main part in the inside of detecting the main part, be equipped with on the lateral wall of the lead screw other end the gasket, the gasket laminate in on the lateral wall of clamp splice, the lead screw is close to the one end of clamp splice is fixed with turn round the board.

Specifically, the winding mechanism includes a wire, a guide wheel, two winding discs, a first gear, a second gear, a chain, a third gear, a rotating shaft, and a crank, the inside of the detection main body rotates with the two winding discs and the guide wheel, the wire is wound on the side wall of the winding disc, one end of the wire is wound on the guide wheel and extends to the outside of the detection main body, the first gear is fixed on the top end of the winding disc, the second gear is rotated inside the detection main body, the chain is engaged between the two first gears and the second gear, the rotating shaft is arranged at the bottom end of the second gear, the rotating shaft rotates inside the detection main body, one end of the rotating shaft extends to the outside of the detection main body, one third gear is fixed at the bottom end of the second gear and one end of the rotating shaft respectively, and the two third gears are vertically meshed, and the end part of the rotating shaft, which is positioned at the outer side of the detection main body, is fixed with the crank.

Specifically, stop gear is including pressing piece, first slide bar, first spring, conflict piece and dwang, the inside slip that detects the main part has press the piece, the top according to the piece extends to the top side of detecting the main part, the inside slip according to the piece has first slide bar, the bottom mounting of first slide bar is in on the inner wall of detecting the main part, the winding has on the lateral wall of first slide bar first spring, the top of first spring is fixed in bottom and bottom mounting according to the piece are in on the inner wall of detecting the main part, it has one to slide respectively according to the both sides of piece the dwang, the middle part of dwang rotate in on the inner wall of detecting the main part and other end sliding connection have the conflict piece, conflict piece's bottom conflict in the top of wire and slide in detect the inside of main part.

Specifically, the folding mechanism comprises a probe, an illuminating main body, a limiting shaft, a torsional spring, a second spring, a top block, a third sliding rod, a third spring, a stop block and an auxiliary block, wherein the probe is fixed outside one of the wires outside the detecting main body, the illuminating main body with a triangular cross section is arranged inside the probe, the limiting shaft is rotated at one end of the illuminating main body, the two ends of the limiting shaft are fixed on the inner wall of the probe, the illuminating main body is rotated inside the probe through the limiting shaft, the torsional spring is wound on the side wall of the limiting shaft, one end of the torsional spring is fixed inside the illuminating main body, the other end of the torsional spring is fixed inside the probe, the top block is slid inside one end of the illuminating main body, the second spring is fixed at one end of the top block, one end of the second spring is fixed on the inner wall of the illuminating main body, the bottom of kicking block is equipped with the third slide bar, just the both ends of third slide bar are fixed in on the inner wall of spy pen, the winding has on the lateral wall of third slide bar third spring and lateral wall go up to slide have the dog with supplementary piece, one side of dog is fixed in the third spring, the tip cross-section of supplementary piece is three horn shapes.

Specifically, fixture includes mount, paster and spring leaf, one side of visiting the pen is equipped with two the mount, and two rotate between the mount and connect, be located detect the other in the main part outside the wire is fixed in one of them the tip of mount, the inboard of mount is equipped with the paster, the paster with be fixed with between the mount the spring leaf.

The invention has the beneficial effects that:

(1) according to the current device convenient for circuit detection, the fixing mechanism is arranged on one side of the detection main body, the detection main body can be conveniently carried on a user through the arrangement of the fixing mechanism, the loss of the detection main body is avoided, and the portability of the detection main body is improved.

(2) According to the current device convenient for circuit detection, the winding mechanism is arranged in the detection main body, the cables can be regularly accommodated in the detection main body through the arrangement of the winding mechanism, the cables are prevented from being scattered outside and being scratched and damaged, the attractiveness of the detection main body is improved, the limiting mechanism is arranged in the detection main body and is connected with the winding mechanism, the winding and unwinding of the cables can be limited and fixed through the arrangement of the limiting mechanism, the cables with the redundant length can be prevented from accidentally sliding out of the detection main body, namely when a longer circuit needs to be overhauled, the limiting mechanism is operated to relieve the limiting of the wires, then the wires are pulled to the proper length, after the overhauling is finished, the limiting mechanism is operated again, then the crank is rotated, and the rotating shaft drives the second gear to rotate through mutual meshing between the two third gears, the second gear is meshed with the two first gears through the chain to rotate, so that the two coiling disks can wind and contain the wires at the same time, the cables can be regularly contained in the detection main body, the damage caused by the scattered wires being scraped in the outside is avoided, and the attractiveness of the detection main body is improved.

(3) The invention relates to a current device convenient for circuit detection, a folding mechanism is arranged at one side of a detection main body, a lighting part is convenient to open in a dark corner through the arrangement of the folding mechanism, and an auxiliary maintainer can find a part to be detected conveniently, so that the overhauling efficiency is improved, a clamping mechanism is arranged at one side of the folding mechanism, a closed loop is convenient to form on a circuit to be overhauled through the arrangement of the clamping mechanism, different parts or cables can be clamped and fixed by a clamping and fixing part, namely, when the lighting main body in a stylus needs to be popped out to the outer side, the side wall of the lighting main body is pressed, so that a top block passes over an auxiliary block, then the top block is pushed to the outer side by a second spring, the lighting main body is not pressed, a torsion spring acts on the lighting main body to deflect to the outer side, the top block props against the auxiliary block to slide on the side wall of a third slide rod, and finally the top block retracts, then the illumination main part is not being spacing, realize that the illumination main part pops out to the probe outside and throw light on the effect, and then be convenient for open lighting parts in dim corner, conveniently assist the maintainer to find the position of required inspection, thereby maintenance efficiency is improved, because when needs fix the mount in required position, if the position of required centre gripping is the rectangle form, then fix the mount that is the cockscomb structure with two cross-sections in its both sides, if required fixed position is the tubulose article of circle, then with the paster centre gripping on its lateral wall, but flexible conducting material's paster hugs closely under the conflict of spring leaf on its lateral wall, and then be convenient for form closed loop to the circuit row that needs the maintenance, and centre gripping fixed part can the fixed different part of centre gripping or cable, the use adaptability of clamping part has been improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram illustrating the overall structure of a preferred embodiment of a current sensor for facilitating circuit detection according to the present invention;

FIG. 2 is a schematic structural view of the securing mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the retracting mechanism shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure between the detecting body and the retracting mechanism shown in FIG. 3;

FIG. 5 is a schematic view of a connection structure of the retracting mechanism and the limiting mechanism shown in FIG. 1;

FIG. 6 is a schematic structural view of the folding mechanism shown in FIG. 1;

FIG. 7 is a schematic structural view of the clamping mechanism shown in FIG. 1;

FIG. 8 is an enlarged view of portion A of FIG. 1;

fig. 9 is an enlarged schematic view of a portion B shown in fig. 1.

In the figure: 1. the detection device comprises a detection main body, 2, a fixing mechanism, 21, a clamping block, 22, a gasket, 23, a screw rod, 24, a twisting plate, 3, a winding mechanism, 31, a lead wire, 32, a guide wheel, 33, a winding disc, 34, a first gear, 35, a second gear, 36, a chain, 37, a third gear, 38, a rotating shaft, 39, a crank, 4, a limiting mechanism, 41, a pressing block, 42, a first sliding rod, 43, a first spring, 44, a butting block, 45, a rotating rod, 5, a folding mechanism, 51, a pen probe, 52, a lighting main body, 53, a limiting shaft, 54, a torsion spring, 55, a second spring, 56, a top block, 57, a third sliding rod, 58, a third spring, 59, a stop block, 59a auxiliary block, 6, a clamping mechanism, 61, a fixing frame, 62, a sticking block, 63 and a spring piece.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-9, the current device for facilitating circuit detection according to the present invention includes a detection main body 1, a fixing mechanism 2, a winding mechanism 3, a limiting mechanism 4, a folding mechanism 5 and a clamping mechanism 6, the fixing mechanism 2 for fixing the detecting body 1 on the body of the operator is arranged at one side of the detecting body 1, the retraction mechanism 3 for accommodating a cable member for transmitting a current signal into the detection main body 1 is provided in the detection main body 1, the limiting mechanism 4 for limiting and fixing the released cable component is arranged in the detection main body 1, the limiting mechanism 4 is connected with the furling mechanism 3, the folding mechanism 5 for facilitating the opening and closing of the searchlight component is arranged on one side of the detection main body 1, the clamping mechanism 6 is used for forming a loop for an object to be detected and is convenient to attach and conduct electricity and is arranged on one side of the folding mechanism 5.

Specifically, the fixing mechanism 2 includes a clamping block 21, a pad 22, a screw rod 23 and a twisting plate 24, one side of the detection main body 1 rotates to have an end portion being arc-shaped the clamping block 21, the middle portion of the clamping block 21 slides to have the screw rod 23, one end of the screw rod 23 extends to the inside of the detection main body 1 and is in threaded connection with the inside of the detection main body 1, the pad 22 is arranged on the outer side wall of the other end of the screw rod 23, the pad 22 is attached to the side wall of the clamping block 21, one end of the screw rod 23 close to the clamping block 21 is fixed with the twisting plate 24, because when the detection main body 1 needs to be carried about, the twisting plate 24 is firstly twisted to cause the clamping block 21 not to be attached to the side wall of the detection main body 1, then the clamping block 21 is opened, is inserted into a proper position of a user similar to a belt, and then the twisting plate 24 is twisted, therefore, the screw rod 23 moves towards the inside of the detection main body 1, the clamping block 21 is abutted by the gasket 22 abutted by the torsion plate 24, and therefore, a function similar to a clip is formed between the clamping block 21 and the detection main body 1, the detection main body 1 is conveniently carried on a user body, the loss of the detection main body is avoided, and the portability of the detection main body 1 is improved.

Specifically, the winding mechanism 3 includes a wire 31, a guide wheel 32, a winding disc 33, a first gear 34, a second gear 35, a chain 36, a third gear 37, a rotating shaft 38 and a crank 39, the detection main body 1 rotates inside two winding discs 33 and the guide wheel 32, the wire 31 is wound on the side wall of the winding disc 33, one end of the wire 31 is wound on the guide wheel 32 and extends to the outside of the detection main body 1, the first gear 34 is fixed on the top end of the winding disc 33, the second gear 35 rotates inside the detection main body 1, the chain 36 is engaged between the two first gears 34 and the second gear 35, the rotating shaft 38 is arranged at the bottom end of the second gear 35, the rotating shaft 38 rotates inside the detection main body 1, and one end of the rotating shaft extends to the outside of the detection main body 1, the bottom end of the second gear 35 and one end of the rotating shaft 38 are respectively fixed with one third gear 37, and two third gears 37 are vertically meshed, the end portion of the rotating shaft 38 located at the outer side of the detection main body 1 is fixed with the crank 39, because when a longer line needs to be overhauled, the limiting mechanism 4 is operated to release the limiting of the lead 31, then the lead 31 is pulled to a proper length, after the overhaul is finished, the limiting mechanism 4 is operated again, then the crank 39 is rotated, the rotating shaft 38 drives the second gear 35 to rotate through the mutual meshing between the two third gears 37, the second gear 35 is meshed with the two first gears 34 through the chain 36 to rotate, so that the two reeling discs 33 simultaneously wind and store the lead 31, and further, cables are conveniently and regularly stored in the detection main body 1, the damage of the detection body 1 caused by external scratch is avoided, so that the attractiveness of the detection body 1 is improved.

Specifically, the limiting mechanism 4 includes a pressing block 41, a first sliding rod 42, a first spring 43, a butting block 44 and a rotating rod 45, the inside of the detection main body 1 slides to have the pressing block 41, the top end of the pressing block 41 extends to the top side of the detection main body 1, the inside of the pressing block 41 slides to have the first sliding rod 42, the bottom end of the first sliding rod 42 is fixed on the inner wall of the detection main body 1, the first spring 43 is wound on the side wall of the first sliding rod 42, the top end of the first spring 43 is fixed on the bottom end of the pressing block 41 and the bottom end of the pressing block 41 is fixed on the inner wall of the detection main body 1, the two sides of the pressing block 41 respectively slide to have one of the rotating rod 45, the middle part of the rotating rod 45 rotates on the inner wall of the detection main body 1 and the other end of the sliding connection has the butting block 44, the bottom end of the butting block 44 butts on the top end of the wire 31 and slides in the inside of, because the pressing block 41 slides to the bottom end along the first sliding rod 42 after the first spring 43 is offset while the pressing block 41 is pressed, the contact block 44 is lifted by the rotating rod 45 along with the displacement of the pressing block 41, so that the wire 31 at the bottom end is not interfered, the cable can be wound and unwound for limiting and fixing, and the cable with excessive length is prevented from accidentally sliding out of the detection main body 1.

Specifically, the folding mechanism 5 includes a probe 51, a lighting body 52, a limiting shaft 53, a torsion spring 54, a second spring 55, a top block 56, a third sliding rod 57, a third spring 58, a stopper 59, and an auxiliary block 59a, the probe 51 is fixed outside one of the wires 31 located outside the detection body 1, the lighting body 52 with a triangular cross section is arranged inside the probe 51, the limiting shaft 53 is rotated at one end of the lighting body 52, two ends of the limiting shaft 53 are fixed on the inner wall of the probe 51, the lighting body 52 is rotated inside the probe 51 through the limiting shaft 53, the torsion spring 54 is wound on the side wall of the limiting shaft 53, one end of the torsion spring 54 is fixed inside the lighting body 52, the other end of the torsion spring is fixed inside the probe 51, the top block 56 slides inside one end of the lighting body 52, the second spring 55 is fixed at one end of the top block 56, one end of the second spring 55 is fixed on the inner wall of the illuminating main body 52, the third slide rod 57 is arranged at the bottom end of the top block 56, two ends of the third slide rod 57 are fixed on the inner wall of the stylus 51, the third spring 58 is wound on the side wall of the third slide rod 57, the stopper 59 and the auxiliary block 59a are slid on the side wall, one side of the stopper 59 is fixed on the third spring 58, the cross section of the end part of the auxiliary block 59a is triangular, because when the illuminating main body 52 in the stylus 51 needs to be ejected to the outside, the side wall of the illuminating main body 52 is pressed, so that the top block 56 passes over the auxiliary block 59a, then the top block 56 is pushed to the outside by the second spring 55, and the illuminating main body 52 is not pressed, the torsion spring 54 acts on the illuminating main body 52 to deflect to the outside, make the kicking block 56 contradict supplementary piece 59a slides on the lateral wall of third slide bar 57, finally kicking block 56 through the slope lateral wall of supplementary piece 59a retracts to the inside of illuminating subject 52, then illuminating subject 52 is not by spacingly, realizes illuminating subject 52 pops out the probe 51 outside carries out the illumination effect, and then is convenient for open lighting parts in dim corner, makes things convenient for supplementary maintainer to find the position of required inspection to maintenance efficiency has been improved.

Specifically, the clamping mechanism 6 includes a fixing frame 61, a patch 62 and a spring leaf 63, two fixing frames 61 are arranged on one side of the probe 51, the two fixing frames 61 are rotatably connected with each other, the other wire 31 outside the detection main body 1 is fixed on one end of the fixing frame 61, the patch 62 is arranged on the inner side of the fixing frame 61, the spring leaf 63 is fixed between the patch 62 and the fixing frame 61, because the fixing frame 61 is required to be fixed at a required position, if the required clamping position is rectangular, the fixing frame 61 with two saw-toothed cross sections is fixed on two sides of the fixing frame 61, if the required fixing position is a tubular object, the patch 62 is clamped on the side wall of the fixing frame, the patch 62 made of a flexible conductive material is tightly attached to the side wall of the fixing frame under the collision of the spring leaf 63, and then be convenient for form closed circuit to the circuit row that needs the maintenance, and the fixed part of centre gripping can the centre gripping fix different parts or cable, has improved the use adaptability of centre gripping part.

When the portable belt type trouser belt detection device is used, when the detection main body 1 needs to be carried with a person, the torsion plate 24 is firstly twisted to enable the clamping block 21 not to be attached to the side wall of the detection main body 1, then the clamping block 21 is opened and inserted into a proper position similar to a trouser belt of a user, and then the torsion plate 24 is twisted, so that the screw rod 23 moves towards the inside of the detection main body 1, the clamping block 21 is abutted by the gasket 22 abutted by the torsion plate 24, and therefore the clamping block 21 and the detection main body 1 form a function similar to a clamp, the detection main body 1 is further convenient to carry with a person on the body of the user, loss of the detection main body 1 is avoided, and portability of the detection main body 1 is improved; when a longer line needs to be overhauled, the limiting mechanism 4 is operated to relieve limiting of the lead 31, then the lead 31 is pulled to a proper length, after the overhaul is finished, the limiting mechanism 4 is operated again, then the crank 39 is rotated, the rotating shaft 38 drives the second gear 35 to rotate through mutual meshing between the two third gears 37, the second gear 35 is meshed with the two first gears 34 through the chain 36 to rotate, and therefore the two coiling discs 33 can wind and store the lead 31 at the same time, the cable can be conveniently and regularly stored in the detection main body 1, the cable is prevented from being scattered and scratched and damaged outside, and the attractiveness of the detection main body 1 is improved; when the pressing block 41 is pressed, the pressing block 41 slides towards the bottom end along the first sliding rod 42 after the first spring 43 is offset, and at the moment, the abutting block 44 is lifted up by the rotating rod 45 along with the displacement of the pressing block 41, so that the wire 31 at the bottom end is not abutted, the cable can be wound and released in a limiting and fixing manner, and the cable with redundant length is prevented from accidentally sliding out of the detection main body 1; when the lighting main body 52 in the stylus 51 needs to be popped out to the outside, the side wall of the lighting main body 52 is pressed, so that the top block 56 passes through the auxiliary block 59a, then the top block 56 is pushed to the outside by the second spring 55, and the lighting main body 52 is not pressed, the torsion spring 54 acts on the lighting main body 52 to deflect outwards, so that the top block 56 props against the auxiliary block 59a to slide on the side wall of the third slide bar 57, and finally the top block 56 retracts into the lighting main body 52 through the inclined side wall of the auxiliary block 59a, so that the lighting main body 52 is not limited, the lighting main body 52 is popped out to the outside of the stylus 51 to perform lighting action, and further, the lighting part is conveniently opened in a dark corner, and an auxiliary maintainer can conveniently find a position to be checked, and therefore, the overhauling efficiency is improved; when the fixing frame 61 needs to be fixed at a required position, if the position needing to be clamped is rectangular, the two fixing frames 61 with saw-toothed sections are fixed at two sides of the fixing frame, if the position needing to be fixed is a circular tubular object, the patch 62 is clamped on the side wall of the fixing frame, the flexible patch 62 made of conductive materials is tightly attached to the side wall of the fixing frame under the collision of the spring piece 63, so that a closed loop is formed for a line needing to be overhauled, different parts or cables can be clamped and fixed by the clamping and fixing part, and the use adaptability of the clamping part is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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. A current device for facilitating circuit testing, comprising: including detecting main part (1), fixed establishment (2), roll-up mechanism (3), stop gear (4), folding mechanism (5) and fixture (6), be used for with it is on one's body that detection main part (1) is fixed in the operator fixed establishment (2) are located one side of detection main part (1) is used for taking in the cable part of transmission electric current signal detect main part (1) inside roll-up mechanism (3) are located detect the inside of main part (1), be used for carrying out spacing fixed to the cable part of release stop gear (4) are located detect the inside of main part (1), just stop gear (4) with roll-up mechanism (3) are connected for make things convenient for searchlight part to open and shut and use folding mechanism (5) are located one side of detection main part (1) are used for form the return circuit and be convenient for laminating electrically conductive to required detection article fixture (6) are located folding mechanism (6) 5) To one side of (a).

2. A current device to facilitate circuit detection as defined in claim 1, wherein: fixed establishment (2) include clamp splice (21), gasket (22), lead screw (23) and turn round board (24), one side of detecting main part (1) is rotated and is had the tip to be curved clamp splice (21), the middle part of clamp splice (21) slides and has lead screw (23), the one end of lead screw (23) extends to detect the inside and the threaded connection of main part (1) in the inside of detecting main part (1), be equipped with on the lateral wall of the lead screw (23) other end gasket (22), gasket (22) laminate in on the lateral wall of clamp splice (21), lead screw (23) are close to the one end of clamp splice (21) is fixed with turn round board (24).

3. A current device to facilitate circuit detection as defined in claim 1, wherein: the winding mechanism (3) comprises a wire (31), a guide wheel (32), a winding disc (33), a first gear (34), a second gear (35), a chain (36), a third gear (37), a rotating shaft (38) and a crank (39), the detection main body (1) rotates inside to two, the winding disc (33) and the guide wheel (32) are wound on the side wall of the winding disc (33), one end of the wire (31) is wound on the guide wheel (32) and extends to the outer side of the detection main body (1), the top end of the winding disc (33) is fixed with the first gear (34), the detection main body (1) rotates inside to have the second gear (35), the chain (36) is meshed between the first gear (34) and the second gear (35), the bottom end of the second gear (35) is provided with the rotating shaft (38), pivot (38) rotate in detect the inside of main part (1) and one end extend to detect the outside of main part (1), the bottom of second gear (35) and the one end of pivot (38) is fixed with one respectively third gear (37), and two third gear (37) vertical meshing, pivot (38) are located the end fixing in detection main part (1) outside has crank (39).

4. A current device to facilitate circuit detection according to claim 3, wherein: stop gear (4) are including pressing piece (41), first slide bar (42), first spring (43), conflict piece (44) and dwang (45), the inside of detecting main part (1) slides and has press piece (41), the top according to piece (41) extends to the top side of detecting main part (1), the inside of pressing piece (41) slides and has first slide bar (42), the bottom mounting of first slide bar (42) is in on the inner wall of detecting main part (1), the winding has on the lateral wall of first slide bar (42) first spring (43), the top mounting of first spring (43) is in the bottom and the bottom mounting according to piece (41) are in on the inner wall of detecting main part (1), the both sides according to piece (41) slide respectively have one dwang (45), the middle part of dwang (45) rotate in on the inner wall of detecting main part (1) and the other end sliding connection have to touch piece (44) The bottom end of the contact block (44) is abutted against the top end of the lead (31) and slides in the detection main body (1).

5. The current device of claim 4, wherein: folding mechanism (5) are including visiting pen (51), illumination main part (52), spacing axle (53), torsional spring (54), second spring (55), kicking block (56), third slide bar (57), third spring (58), dog (59) and supplementary piece (59 a), are located detect main part (1) outside one of them the external fixation of wire (31) has visit pen (51), the inside of visiting pen (51) is equipped with the cross-section and is the triangle form illumination main part (52), the one end of illumination main part (52) is rotated there is spacing axle (53), the both ends of spacing axle (53) are fixed in on the inner wall of visiting pen (51), illumination main part (52) pass through spacing axle (53) rotate in the inside of visiting pen (51), the winding has on the lateral wall of spacing axle (53) torsional spring (54), the one end of torsional spring (54) is fixed in the inside of illumination main part (52) and the other end is fixed in pen (51) (51) The inside of, the inside of illumination main part (52) one end slides has kicking block (56), the one end of kicking block (56) is fixed with second spring (55), the one end of second spring (55) is fixed in on the inner wall of illumination main part (52), the bottom of kicking block (56) is equipped with third slide bar (57), just the both ends of third slide bar (57) are fixed in on the inner wall of spy pen (51), twine on the lateral wall of third slide bar (57) third spring (58) and lateral wall on slide have dog (59) with supplementary piece (59 a), one side of dog (59) is fixed in third spring (58), the tip cross-section of supplementary piece (59 a) is the triangle-shaped.

6. A current device to facilitate circuit detection according to claim 5, wherein: fixture (6) are including mount (61), sticking block (62) and spring leaf (63), one side of visiting pen (51) is equipped with two mount (61), and two rotate between mount (61) and connect, be located detect the other in main part (1) outside wire (31) are fixed in one of them the tip of mount (61), the inboard of mount (61) is equipped with sticking block (62), sticking block (62) with be fixed with between mount (61) spring leaf (63).