CN218727595U

CN218727595U - Handheld current tester

Info

Publication number: CN218727595U
Application number: CN202223009736.4U
Authority: CN
Inventors: 白卫平
Original assignee: Guangzhou Puertai Technology Co ltd
Current assignee: Guangzhou Puertai Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-24
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a hand-held current tester, which belongs to the field of current testers, and comprises a current tester, wherein the rear side of the top end of the current tester is provided with a power measuring end, the top surface of the current tester is provided with two power measuring clamps, the top end of the power measuring end is provided with a power transmission end, the top end of the power transmission end is provided with a protective column tube, the bottom ends of the two power measuring clamps are connected with a wire, and the top surface of the current tester is provided with a wire clamp groove; an inner pipe groove is formed in the bottom side of the power transmission end, a conductive rod core is arranged at the axis of the inner pipe groove, a guide sheet is arranged on the outer side surface of the conductive rod core, a metal contact is arranged on the bottom surface of the guide sheet, and a wiring contact piece is arranged below the metal contact; let the pole of electrocuting of touch as the part of measuring current structure, regard as the instrument simultaneously to convenient use when overhauing circuit switch utilizes the structure to let above-mentioned structure survey electricity alone simultaneously, under the circumstances that equipment does not have the electricity, also can emergent use.

Description

Handheld current tester

Technical Field

The utility model belongs to the technical field of current tester, concretely relates to current tester of hand-held type.

Background

When maintaining the circuit, in detecting the circuit through using the current tester, circuit fault is judged to the change of electric current, the current tester that the maintenance circuit adopted, generally be hand-held type current tester, this kind of instrument is more portable, and simultaneously the volume is less, structure weight is lighter, common hand-held type current tester on the market, connect stylus and wire contact through the wire and survey electricity, during the maintenance, through detecting circuit department bus floodgate and switch department, and during the maintenance, the wire that will guarantee switch department to connect promptly is in the state of opening circuit when dismantling, with the assurance security, will measure the circuit with the stylus again.

Disclosure of Invention

The utility model aims at providing a current tester of hand-held type has solved and has measured the way down and need hold between the fingers the stylus with the hand and press the measurement, and the circuit direct measurement of switch internal connection can't be to the tester, and the answer tester detects the problem under the power-free state.

In order to achieve the above object, the utility model provides a following technical scheme: a handheld current tester comprises a current tester, wherein a power measuring end is arranged on the rear side of the top end of the current tester, two power measuring clamps are arranged on the top surface of the current tester, a power transmission end is arranged on the top end of the power measuring end, a protection column tube is arranged on the top end of the power transmission end, the tail ends of the bottom sides of the two power measuring clamps are connected with a lead, and a wire clamp groove is formed in the top surface of the current tester;

the bottom side of the power transmission end is provided with an inner tube groove, the axis of the inner tube groove is provided with a conductive rod core, the outer side surface of the conductive rod core is provided with a guide sheet, the bottom surface of the guide sheet is provided with a metal contact, a wiring contact sheet is arranged below the metal contact, and the surface of the wiring contact sheet is connected with a neon bulb.

As a preferred embodiment, the bottom side of power transmission end is provided with the screw ring, the top surface fixedly connected with sheetmetal of power transmission end, the central fixedly connected with of sheetmetal touches the pole, touch pole and conducting rod core sliding connection, the lateral surface fixedly connected with pole core solid piece of conducting rod core, the fixed surface of pole core solid piece is connected with the spring, the below of pole core solid piece is provided with the pole groove.

By adopting the scheme, when the rod groove is applied with inward force, the conductive rod core moves upwards, the conductive rod core moves to drive the rod core fixing piece to move and extrude the spring to deform, and meanwhile, the conductive rod core slides towards the inside of the metal sheet.

As a preferred embodiment, the power transmission end is fixedly connected with an inner tube groove, the inner tube groove is slidably connected with a conductive rod core, the conductive rod core is fixedly connected with a conductive sheet, the conductive sheet is fixedly connected with a metal contact, the wiring contact sheet is fixedly connected with a neon bulb, and the neon bulb is fixedly connected with the inner tube groove.

By adopting the scheme, after the conducting rod core moves upwards, the conducting sheet connected with the conducting rod core also moves along with the conducting rod core, so that the metal contact is separated from the wiring contact sheet, the neon bulb connected with the wiring contact sheet is in a disconnected state, when the pressure applied to the bottom of the conducting rod core is removed, the spring releases the elastic force, the conducting rod core is reset, the metal contact and the wiring contact sheet are in a closed state, the connected neon bulb operates normally, and the circuit state is indicated by light emitting.

As a preferred embodiment, an inner pipe groove is formed in the inner side of the electricity measuring end, an internal thread is formed in the top of the inner side of the inner pipe groove, the inner pipe groove is in threaded connection with the electricity transmission end, an electrified bottom contact wire column is fixedly connected to the axis of the bottom surface of the inner pipe groove, the other end of the electrified bottom contact wire column is electrically connected with an electricity measuring element arranged inside the current tester, and the rod groove is connected with the electrified bottom contact wire column in an inserting mode.

Adopt above-mentioned scheme, rotate through power transmission end and inner tube groove, and then utilize helicitic texture to let power transmission end and survey electric end realization structure dismantle, touch the pole simultaneously and can use alone.

As a preferred embodiment, survey the both sides face of electricity clamp and all seted up and indicate the indent, survey the articulated reed that is connected with in one side of electricity clamp back of the body from indicating the indent, the reed middle part is outside protruding, and the protruding department of reed agrees with fastener inslot structure, the top of surveying the electricity clamp is provided with the blank holder strip, the binding face of blank holder strip is wavy.

Adopt above-mentioned scheme, will survey the electric clamp and take off from the fastener inslot side, hold between the fingers and survey the finger groove of electric clamp both sides, let survey electric clamp both sides extrusion reed inwards deform to let the pressure strake open and clip the sinle silk, will survey the electric clamp and put back the wire clamp groove time, the in-process of putting into the fastener inslot is put into to the extrusion reed, and extrusion reed bulge receives the extrusion, pastes tightly with the wire clamp groove side, plays the fixed action.

As a preferred embodiment, the bottom end of the protection column tube is fixedly connected with a magnetic ring, the magnetic ring is tightly attached to the metal sheet, the top surface of the protection column tube is provided with a wire pressing groove, the surface of the wire pressing groove is provided with contact holes, the top end of the electric shock rod penetrates through the contact holes, and the protection column tube is sleeved with the electric shock rod.

Adopt above-mentioned scheme, utilize the magnetic ring and the sheetmetal laminating of protection column tube bottom, utilize magnetism to adsorb the sheetmetal and live, the whole insulating rubber material that is in the protection column tube outside can play the guard action to the pole that electrocutes, when the electric current of single line head of needing test, aim at the line head that will test with the line ball groove of protection column tube department and push down to let the pole that electrocutes see through contact hole and sinle silk contact, and then realize surveying the electricity.

Compared with the prior art, the beneficial effects of the utility model are that:

the handheld current tester is provided with the conductive rod core and the extrusion spring, and the safety of circuit maintenance work is ensured by measuring whether a circuit is in a power-off state or not;

the handheld current tester is provided with the metal contact and the neon bulb, the electric shock rod is used as a part of a current measuring structure and is also used as a tool to facilitate the use of the structure when a circuit switch is overhauled, and meanwhile, the structure can be used for independently testing electricity, so that the handheld current tester can be used in emergency under the condition that equipment is not electrified;

the handheld current tester is provided with the electricity testing clamp and the reed, and the protruding part of the extruded reed is extruded and is tightly attached to the side surface of the wire clamp groove, so that the fixing effect is achieved, the wire clamping structure is convenient to store, and the internal space is not occupied;

this current tester of hand-held type makes things convenient for single-point line to detect in the circuit through setting up protection column pipe and wire pressing groove, measures through pressing the sinle silk exposed part, and convenient real-time change measures the position to conveniently investigate circuit trouble.

Drawings

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

fig. 2 is a schematic structural view of the back side of the current tester of the present invention;

fig. 3 is a schematic structural view of the inside of the power transmission end of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention;

FIG. 5 is a schematic view of the inner structure of the electricity measuring terminal of the present invention;

FIG. 6 is a schematic view of the structure of the current measuring clamp of the present invention;

fig. 7 is a schematic structural view of the protective column tube of the present invention.

In the figure: 1. a current tester; 2. a power measuring end; 3. a power transmission terminal; 4. a protective column tube; 5. measuring an electric clamp; 6. a wire clamp slot; 7. a wire; 8. a metal sheet; 9. contacting the pole; 10. a magnetic ring; 11. a conductive rod core; 12. a spring; 13. a rod core securing sheet; 14. a rod groove; 15. a guide plate; 16. a metal contact; 17. a wiring contact piece; 18. neon bulbs; 19. an inner pipe groove; 20. a powered bottom contact post; 21. a reed; 22. a finger pressure groove; 23. edge pressing strips; 24. pressing a wire groove; 25. contact holes.

Detailed Description

Referring to fig. 1-7, the utility model provides a hand-held current tester, including current tester 1, the top rear side of current tester 1 is provided with electricity testing end 2, the top surface of current tester 1 is provided with two electricity testing clamps 5, the top of electricity testing end 2 is provided with electricity transmission end 3, the top of electricity transmission end 3 is provided with protective column tube 4, the bottom ends of two electricity testing clamps 5 are connected with wire 7, the top surface of current tester 1 is provided with wire clamp groove 6;

an inner tube groove 19 is arranged at the bottom side of the power transmission end 3, a conductive rod core 11 is arranged at the axis of the inner tube groove 19, a guide sheet 15 is arranged on the outer side surface of the conductive rod core 11, a metal contact 16 is arranged on the bottom surface of the guide sheet 15, a wiring contact sheet 17 is arranged below the metal contact 16, and a neon bulb 18 is connected to the surface of the wiring contact sheet 17.

See fig. 3, the bottom side of passing electricity end 3 is provided with the screw ring, the top surface fixedly connected with sheetmetal 8 of passing electricity end 3, the center department fixedly connected with of sheetmetal 8 touches pole 9, it touches pole 9 and conducting rod core 11 sliding connection to electrocute, the lateral surface fixedly connected with pole core solid piece 13 of conducting rod core 11, the fixed surface of pole core solid piece 13 is connected with spring 12, the below of pole core solid piece 13 is provided with pole groove 14, through the structure, when pole groove 14 department receives inside application of force, conducting rod core 11 will the rebound, conducting rod core 11 removes and drives pole core solid piece 13 and extrudees spring 12 and produce deformation, let conducting rod core 11 slide to sheetmetal 8 inside simultaneously, under the condition of whether being in the outage through measuring circuit, guarantee the safety of circuit maintenance work and go on.

Referring to fig. 4, the power transmission end 3 is fixedly connected with the inner tube groove 19, the inner tube groove 19 is slidably connected with the conductive rod core 11, the conductive rod core 11 is fixedly connected with the guide sheet 15, the guide sheet 15 is fixedly connected with the metal contact 16, the wiring contact sheet 17 is fixedly connected with the neon bulb 18, and the neon bulb 18 is fixedly connected with the inner tube groove 19. By the above structure, after the conductive rod core 11 moves upwards, the guide sheet 15 connected with the conductive rod core 11 also moves along with the conductive rod core 11, so that the metal contact 16 is separated from the wiring contact sheet 17, and the neon bulb 18 connected with the wiring contact sheet 17 is in an off state, when the pressure applied to the bottom of the conductive rod core 11 is removed, the spring 12 releases the elastic force, so that the conductive rod core 11 resets, the metal contact 16 and the wiring contact sheet 17 are in an on state, so that the connected neon bulb 18 normally operates, and the circuit state is indicated by light emission, and the rod 9 is used as a part of a current measuring structure and also serves as a tool for facilitating the maintenance of a circuit switch, and simultaneously, the electricity measuring structure can be used independently, and under the emergency electric shock condition that no electricity is used.

See fig. 3 and 5, interior tube seat 19 has been seted up to the inboard of electricity testing end 2, the internal thread has been seted up at the inboard top of inner tube seat 19, inner tube seat 19 with pass 3 threaded connection of electricity end, bottom surface axle center department fixedly connected with circular telegram end contact post 20 of inner tube seat 19, the other end of circular telegram end contact post 20 and the inside electric connection that surveys the electric element that sets up of current tester 1, pole groove 14 and circular telegram end contact post 20 plug-in connection, through the structure, rotate with inner tube seat 19 through passing electricity end 3, and then utilize helicitic texture to let pass electricity end 3 and electricity testing end 2 realization structure dismantlements, it can the exclusive use to touch pole 9 simultaneously.

See fig. 6, survey electric clamp 5's both sides face and all seted up finger groove 22, survey electric clamp 5 deviates from the articulated reed 21 that is connected with in one side of finger groove 22, reed 21 middle part is outside protruding, and the protruding department of reed 21 agrees with the wire clamp groove 6 inner structure, the top of surveying electric clamp 5 is provided with blank holder 23, blank holder 23's binding face is the wave form, through the structure, will survey electric clamp 5 and take off from wire clamp groove 6 inboard, hold between the fingers finger groove 22 of surveying electric clamp 5 both sides, let survey electric clamp 5 both sides extrusion reed 21 inwards deform, and let pressure strake 23 open and clip the sinle silk, when putting back wire clamp groove 6 with survey electric clamp 5, the in-process that extrusion reed 21 put into wire clamp groove 6, extrusion reed 21 bulge receives the extrusion, paste tightly with wire clamp groove 6 side, play the fixed action, this structure is convenient to be accomodate the double-layered line structure, do not occupy the inner space.

See fig. 7, bottom fixedly connected with magnetic ring 10 of protection column tube 4, magnetic ring 10 and sheetmetal 8 are closely laminated, wire pressing groove 24 has been seted up to protection column tube 4 top surface, contact hole 25 has been seted up on wire pressing groove 24's surface, contact hole 25 runs through out on the pole 9 top of electrocuting, protection column tube 4 closes with electrocuting pole 9 and is connected, through above-mentioned structure, utilize the magnetic ring 10 and the sheetmetal 8 laminating of protection column tube 4 bottom, utilize magnetism to adsorb sheetmetal 8, the whole insulating rubber material that is in the protection column tube 4 outside, can play the guard action to electrocuting pole 9, when the electric current of single-outlet needs to be tested, aim at the wire pressing groove 24 of protection column tube 4 department and push down the end of a thread that will be tested, and let electrocuting pole 9 see through contact hole 25 and core contact, and then realize survey electricity, this structure makes things convenient for single-point circuit in the circuit to detect, measure through pressing the exposed part of sinle silk, conveniently change measurement position in real time, in order to conveniently to arrange circuit trouble

When the structure is used, firstly, the magnetic ring 10 at the bottom of the protective column tube 4 is attached to the metal sheet 8, the metal sheet 8 is adsorbed by magnetism, the whole outer side of the protective column tube 4 is made of insulating rubber materials and can play a role in protecting the electric shock rod 9, when the current of a single wire outlet needs to be tested, the wire pressing groove 24 at the protective column tube 4 is aligned to the wire head to be tested and pressed, the electric shock rod 9 is contacted with the wire core through the contact hole 25, and further the electricity testing is realized, the structure is convenient for the detection of a single-point line in the line, when the electricity transmission end 3 is arranged in the electricity testing end 2, the rod groove 14 is extruded by the electrified bottom contact wire column 20, so that the conductive rod core 11 moves upwards, the conductive rod core 11 moves to drive the rod core fixing piece 13 to move and extrude the spring 12 to deform, and simultaneously the conductive rod core 11 slides towards the inside of the metal sheet 8, and the guide piece 15 connected with the conductive rod core 11 also moves along with the conductive rod, when the circuit relation needs to be judged, the power measuring clamp 5 is taken down from the inner side of the wire clamping groove 6, the finger pressing grooves 22 on two sides of the power measuring clamp 5 are pinched by fingers, the pressing reed 21 on two sides of the power measuring clamp 5 is deformed inwards, the pressing edge strips 23 are opened to clamp the wire core, when the power measuring clamp 5 is placed into the wire clamping groove 6, the protruding part of the pressing reed 21 is squeezed and is tightly attached to the side surface of the wire clamping groove 6, and the fixing effect is achieved.

Claims

1. A hand-held current tester, its characterized in that: the device comprises a current tester (1), wherein a power measuring end (2) is arranged on the rear side of the top end of the current tester (1), two power measuring clamps (5) are arranged on the top surface of the current tester (1), a power transmission end (3) is arranged on the top end of the power measuring end (2), a protective column tube (4) is arranged on the top end of the power transmission end (3), the tail ends of the bottom sides of the two power measuring clamps (5) are connected with a lead (7), and a wire clamp groove (6) is formed in the top surface of the current tester (1);

an inner tube groove (19) is formed in the bottom side of the power transmission end (3), a conducting rod core (11) is arranged at the axis of the inner tube groove (19), a guide sheet (15) is arranged on the outer side surface of the conducting rod core (11), a metal contact (16) is arranged on the bottom surface of the guide sheet (15), a wiring contact sheet (17) is arranged below the metal contact (16), and a neon bulb (18) is connected to the surface of the wiring contact sheet (17).

2. The hand-held current tester of claim 1, wherein: the bottom side of biography electricity end (3) is provided with the screw ring, the top surface fixedly connected with sheetmetal (8) of biography electricity end (3), fixedly connected with touches pole (9) is located at the center of sheetmetal (8), touch pole (9) and conducting rod core (11) sliding connection.

3. The hand-held current tester of claim 2, wherein: the outer side surface of the conductive rod core (11) is fixedly connected with a rod core fixing piece (13), the surface of the rod core fixing piece (13) is fixedly connected with a spring (12), and a rod groove (14) is formed below the rod core fixing piece (13).

4. The hand-held current tester of claim 1, wherein: pass electricity end (3) and inner tube groove (19) fixed connection, inner tube groove (19) and conducting rod core (11) sliding connection, conducting rod core (11) and guide vane (15) fixed connection, guide vane (15) and metal contact (16) fixed connection, wiring contact (17) and neon bulb (18) fixed connection, neon bulb (18) and inner tube groove (19) fixed connection.

5. The hand-held current tester of claim 1, wherein: an inner pipe groove (19) is formed in the inner side of the electricity measuring end (2), internal threads are formed in the top of the inner side of the inner pipe groove (19), and the inner pipe groove (19) is in threaded connection with the electricity transmitting end (3).

6. The hand-held current tester of claim 3, wherein: the bottom surface axle center department fixedly connected with circular telegram end touch post (20) of interior tube seat (19), the other end and the inside electric element electric connection that surveys that sets up of current tester (1) of circular telegram end touch post (20), pole groove (14) and circular telegram end touch post (20) plug-in connection.

7. The hand-held current tester of claim 2, wherein: survey both sides face of electric clamp (5) and all seted up finger-pressure groove (22), survey one side articulated reed (21) that is connected with of electric clamp (5) and deviates from finger-pressure groove (22), reed (21) middle part is outside protruding, and reed (21) protruding department agrees with fastener groove (6) inner structure.

8. The hand-held current tester of claim 7 wherein: the top of surveying electric clamp (5) is provided with blank holder (23), the binding face of blank holder (23) is wavy.

9. The hand-held current tester of claim 2, wherein: the bottom fixedly connected with magnetic ring (10) of protection column pipe (4), magnetic ring (10) and sheetmetal (8) closely laminate, wire pressing groove (24) have been seted up to protection column pipe (4) top surface.

10. The hand-held current tester of claim 9 wherein: contact hole (25) have been seted up on the surface of wire pressing groove (24), contact hole (25) run through out on electric pole (9) top, protection pillar pipe (4) and electric shock pole (9) registrate are connected.