CN208013288U - The electroprobe of extension bar is installed - Google Patents

Abstract

The utility model discloses a kind of electroprobes being equipped with extension bar, it is related to testing tool field, including plastic shell, metal feeler lever and metal end, neon bulb is housed in plastic shell, safe Resistance and spring, its key points of the technical solution are that being equipped with extension bar made of metal in metal feeler lever, convex block is provided in metal feeler lever, convex block is arranged in the upside for the position that metal feeler lever is contacted with electrical body, the groove coordinated with convex block is provided on one end of extension bar, it is provided with to be opened on the downside of groove and lengthens the mating caulking groove in the position for contacting metal feeler lever with electrical body on club body.The utility model solves existing electroprobe in the voltage of position deep in test machine, sometimes the length of electroprobe may be inadequate, so needing staff that the time is spent to go machine apart so that speed when test is not very high problem, and when test is more convenient.

Description

The electroprobe of extension bar is installed

Technical field

The utility model is related to testing tool field, more particularly to a kind of electroprobe being equipped with extension bar.

Background technology

Voltage test pencil abbreviation electroprobe is for checking that the one kind whether measurement low-voltage conductor and electrical appliance enclosure are charged is common Tool.Voltage test pencil often makes pen-type structure or small screwdriver structure.Its front end is metal feeler lever, in rear plastic shell Equipped with neon bulb, safe Resistance and spring, pen end has metal end or pen type metal hanging nose, must be touched as hand when using Metal part.

Common test pencil measures voltage range between 60-500 volts, and the neon bulb of voltage test pencil may not be sent out when 60 volts Light cannot be measured with common test pencil higher than 500 volts, otherwise be easy to cause personal electric shock.When the pen tip of voltage test pencil touches band When electric body, pen tip of the voltage through voltage test pencil on electrical body（Metallic object）, neon bulb, safe Resistance, spring and pen end metal Body accesses the earth using human body and is formed into a loop.If the voltage between electrical body and the earth is more than 60 volts, the neon bulb in voltage test pencil It will shine, indicate that being tested electrical body has electricity.

But existing electroprobe, in the voltage of position deep in test machine, the length of electroprobe may not sometimes It is enough, so needing staff that the time is spent to go machine apart so that speed when test is not very high.

Utility model content

The purpose of this utility model is to provide a kind of electroprobes being equipped with extension bar, it is by changing existing electroprobe Into so that the length of electroprobe is convenient for elongation, so that more convenient when test.

The above-mentioned purpose of the utility model technical scheme is that：

A kind of electroprobe being equipped with extension bar, including plastic shell, metal feeler lever and metal end fill in plastic shell There are neon bulb, safe Resistance and spring, extension bar made of metal is installed in the metal feeler lever, is set in the metal feeler lever It is equipped with convex block, the convex block is arranged to be set on the upside for the position that metal feeler lever is contacted with electrical body, one end of the extension bar Be equipped with the groove coordinated with convex block, be provided on the downside of the groove be opened in lengthen club body on for by metal feeler lever with The mating caulking groove in position of electrical body contact.

It will add when needing to carry out the test of voltage to position deep on machine by using above-mentioned technical proposal Stock is mounted in metal feeler lever so that the contact length of metal feeler lever lengthens on electroprobe so that is equipped with the electroprobe of extension bar Convenient for being contacted with electrical body, then the hand of staff is contacted with metal end so that the electric energy on metal end It is enough transferred on the body of staff, then staff contacts metal feeler lever with electrical body, and observes whether neon bulb is sent out Light, to complete to test.By installing extension bar in metal feeler lever so that staff position deep in test machine It is more convenient when setting.

The utility model is further arranged to：The groove is set as being threadedly coupled with convex block.

By using above-mentioned technical proposal so that the installation of extension bar and metal feeler lever is more convenient, and has preferable jail Solidity.

The utility model is further arranged to：The sliding slot circumferentially on groove is provided on the cell wall of the groove, And the direction of sliding slot is set as identical as the length direction of push rod, is provided on the cell wall of the groove and sliding slot vertical connection Card slot, the fixture block with groove position respective outer side edges is provided on the convex block, and the width of the sliding slot is not less than the width of fixture block.

First convex block is inserted into groove when extension bar and metal feeler lever are installed by using above-mentioned technical proposal, When being inserted into, fixture block is first directed at sliding slot, is inserted into groove, then extension bar is rotated so that fixture block sticks into card slot, makes It obtains extension bar to be connected together with metal feeler lever so that the connection of the two is more convenient.

The utility model is further arranged to：One end of the plastic shell setting metal end is also equipped with lengthening group Part, the lengthening component include being located at the installation lid to link together with plastic shell on metal end, vertical being threaded through peace The push rod that is contacted in capping and with metal end, the fixed block that is set on push rod are opened in and are passed through for push rod on fixed block Through-hole and the metallic plate being connect with push rod being arranged in fixed block surface, the push rod are made of metal or are enclosed with one Layer metal shell, and the metal on push rod is contacted with metal end and metallic plate, the one end of the push rod far from metal end is worn Go out fixed block.

By using above-mentioned technical proposal, when needing to carry out the test of voltage to position deep on machine, if Extension bar is not installed, the lengthening of electroprobe can also be realized with lengthening component, when with component lengthening electroprobe is lengthened, first by push rod It pushes so that the distance between fixed block and installation lid increase, and are increased to the distance between fixed block and metal feeler lever foot Enough to be contacted with the electrical body on machine, then the hand of staff is contacted with the metallic plate being arranged in fixed plate so that metal end The electric energy covered is enough transferred on the body of staff, and then staff contacts metal feeler lever with electrical body, and observes Whether neon bulb shines, to complete to test.Component is lengthened by setting so that staff position deep in test machine It is more convenient when setting, and can also realize when not installing extension bar the lengthening of electroprobe.

The utility model is further arranged to：One end that the push rod is contacted with metal end is provided with made of metal Expansion plate for expanding push rod and metal end contact area.

By using above-mentioned technical proposal so that the connection between metal end, push rod, metallic plate is more preferable, and electric current will not The phenomenon that blocking.

The utility model is further arranged to：The plastic shell is set as being threadedly coupled between covering with installation.

By using above-mentioned technical proposal so that the connection between installation lid and plastic shell more fastens and when mounted It is more convenient, and need not increase the position of length in electroprobe test, it can will conveniently lengthen component and remove.

The utility model is further arranged to：The push rod is set as threaded rod, and is to be threadedly coupled with fixed block, described The connection of push rod and installation lid is set as being rotatablely connected, and when push rod rotates, installation lid does not act.

By using above-mentioned technical proposal so that fixed block and installation lid between lengthening it is more secured, be less prone to away from From automatic the case where shortening.

The utility model is further arranged to：The one end of the push rod far from metal end is equipped with knob.

By using above-mentioned technical proposal so that staff is more convenient in rotating push-rod, so that work people Member's adjustment length is more easy.

The utility model is further arranged to：It is connected between installation lid and fixed block for will be after electroprobe elongation Increase more telescopic rods of electroprobe stability.

By using above-mentioned technical proposal, due to it is actual in use, with fixed block and installation cover between at a distance from It increases, the length of electroprobe is increasingly longer so that certain shaking occur between fixed block and installation lid, may be such that work Contact when personnel use electroprobe between metal feeler lever and electrical body is unstable, and then influences the accurate of test, so installing Cover fixed block between be connected with for will after electroprobe extends increase electroprobe stability more telescopic rods so that installation lid with Fixed block is more secured when lengthening.

The utility model is further arranged to：Be provided between the fixed block and installation lid three it is circumferential etc. along installation lid The telescopic rod of spacing setting, the telescopic rod include more piece elongation section, and the elongation section is set as cast, and is sequentially sleeved at one It rises, in two neighboring elongation section, to save end face vertical towards being provided on one end of telescopic direction and extending for the elongation in outside section And the outer bulge loop contacted with the elongation section outer wall of inside, the elongation section of inside are provided with and extend on one end of telescopic direction The internal projecting ring that the vertical and elongation section inner wall with outside in section end face contacts, the internal projecting ring are arranged in outer bulge loop away from flexible side Upwards.

By using above-mentioned technical proposal so that by push rod by fixed block with installation cover between at a distance from lengthen when, stretch Contracting bar stretches so that translational motion occurs between the elongation section of two adjacent sections so that between inside elongation section and outside elongation section The movement of phase opposite direction occurs so that the extended length of the two, and then a support is carried out between fixed block and installation lid, Keep the push rod between fixed block and installation lid more stable, will not shake again.In addition, outer bulge loop and convex is arranged in push rod Ring so that when moving the elongation section of inside to immediate position under the position-limiting action of outer bulge loop and internal projecting ring so that interior The elongation section of side will not be detached with the elongation section in outside.

In conclusion the utility model has the advantages that：

1, by installing extension bar in metal feeler lever so that staff at position deep in test machine more For convenience；

2, component being lengthened by setting so that staff is more convenient at position deep in test machine, and And the lengthening of electroprobe can be also realized when not installing extension bar；

3, by the way that telescopic rod is arranged so that installation lid and fixed block are more secured when lengthening.

Description of the drawings

Fig. 1 is the schematic diagram of electroprobe in embodiment 1；

Fig. 2 is the explosive view of metal feeler lever and extension bar in embodiment 1；

Fig. 3 is the enlarged drawing in the portions A in Fig. 2；

Fig. 4 is electroprobe and the explosive view for lengthening component in embodiment 1；

Fig. 5 is the schematic diagram that component is lengthened in embodiment 1；

Fig. 6 is the schematic diagram of telescopic rod in embodiment；

Fig. 7 is the sectional view of telescopic rod in embodiment 1；

Fig. 8 is the schematic diagram of electroprobe in embodiment 2；

Fig. 9 is the explosive view of metal feeler lever and extension bar in embodiment 2；

Figure 10 is the enlarged drawing in the portions B in Fig. 9.

In figure, 1, plastic shell；2, metal feeler lever；21, convex block；22, fixture block；3, metal end；4, extension bar；41, recessed Slot；42, caulking groove；43, sliding slot；44, card slot；5, component is lengthened；51, installation lid；52, push rod；53, fixed block；54, through-hole；55, Metallic plate；56, expand plate；57, knob；58, telescopic rod；581, elongation section；582, outer bulge loop；583, internal projecting ring.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment 1：A kind of electroprobe being equipped with extension bar, as Figure 1 and Figure 4, including plastic shell 1, metal feeler lever 2 And metal end 3, neon bulb, safe Resistance and spring are housed in plastic shell 1, when in use, hand and the gold of staff Belong to end cap 3 to contact, then contacts metal feeler lever 2 with electrical body, metal feeler lever 2 of the voltage on electrical body through electroprobe, The metallic object of neon bulb, safe Resistance, spring and pen end accesses the earth using human body and is formed into a loop.If electrical body and the earth Between voltage be more than 60 volts, the neon bulb in voltage test pencil will shine, indicate be tested electrical body have electricity.But electroprobe is in test machine On device when the voltage of deep position, the length of electroprobe may be inadequate sometimes, so needing staff that the time is spent to go By machine apart so that speed when test is not very high.Referring to Fig.1, in order to enable the test job of staff is more square Just, extension bar 4 made of metal are installed in metal feeler lever 2.

Specifically, as shown in Figure 2 and Figure 3, convex block 21 is provided in metal feeler lever 2, and convex block 21 is arranged in metal The upside for the position that feeler lever 2 is contacted with electrical body, and the groove 41 coordinated with convex block 21 is provided on one end of extension bar 4, Here the downside of groove 41 is provided with the position for contacting metal feeler lever 2 with electrical body being opened on 4 shaft of extension bar Mating caulking groove 42.Here convex block 21 is set as being threadedly coupled with groove 41.

When needing to carry out the test of voltage to position deep on machine, extension bar 4 is mounted on metal feeler lever 2 On so that the contact length of metal feeler lever 2 lengthens on electroprobe so that is equipped with the electroprobe of extension bar convenient for being connect with electrical body It touches, then the hand with metal end 3 of staff contacts so that the electric energy on metal end 3 is enough transferred to staff Body on, then staff contacts metal feeler lever 2 with electrical body, and observes whether neon bulb shines, to complete to test. By installing extension bar 4 in metal feeler lever 2 so that staff is more convenient at position deep in test machine.

In addition, as shown in figure 4, one end that metal end 3 is arranged in plastic shell 1, which is also equipped with, lengthens component 5, here Lengthen component 5 include be located on metal end 3 with installation lid 51 that plastic shell 1 links together, vertical be threaded through installation The push rod 52 that is contacted on lid 51 and with metal end 3, is opened on fixed block 53 for pushing away the fixed block 53 being set on push rod 52 The through-hole 54 that bar 52 passes through and the metallic plate 55 being connect with push rod 52 being arranged on 53 surface of fixed block, push rod 52 is by metal It is made or is enclosed with one layer of metal shell, and the metal on push rod 52 is contacted with metal end 3 and metallic plate 55, pushing away here The one end of bar 52 far from metal end 3 is pierced by fixed block 53.Wherein, metallic plate 55 prolongs with 54 contact position of through-hole into through-hole 54 It stretches, and the direction extended is provided towards metal end 3 so that the contact area bigger of metallic plate 55 and push rod 52, metal end Lid 3 and the connection of metallic plate 55 are more preferable.And it is provided with use made of metal on the one end that is contacted with metal end 3 of push rod 52 In the expansion plate 56 for expanding push rod 52 and 3 contact area of metal end so that between metal end 3, push rod 52, metallic plate 55 Connection is more preferable.

Here in order to enable the connection between installation lid 51 and plastic shell 1 more fastens and more convenient when mounted, Connection between plastic shell 1 and installation lid 51 is set as being threadedly coupled.And push rod 52 here is set as threaded rod, and It is to be threadedly coupled with fixed block 53, push rod 52 and the connection of installation lid 51 are set as being rotatablely connected so that when push rod 52 rotates, Installation lid 51 does not act, and makes fixed block 53 and the lengthening installed between lid 51 more secured, is less prone to distance Automatic the case where shortening.Here the one end of push rod 52 far from metal end 3 is equipped with the knob 57 rotated convenient for push rod 52.

When needing to carry out the test of voltage to position deep on machine, if not installing extension bar 4, can also use Component 5 is lengthened to realize the lengthening of electroprobe, when with the lengthening electroprobe of component 5 is lengthened, is first pushed push rod 52 so that fixed block 53 Increased with installation the distance between lid 51, and be increased to the distance between fixed block 53 and metal feeler lever 2 enough on machine Electrical body contact, then the hand of staff is contacted with the metallic plate 55 being arranged in fixed plate so that the electricity on metal end 3 It can be transferred on the body of staff, then staff contacts metal feeler lever 2 with electrical body, and whether observes neon bulb It shines, to complete to test.Pass through setting lengthen component 5 so that staff at position deep in test machine more For convenience, and when not installing extension bar 4 lengthening of electroprobe can be also realized.

It is actual in use, with fixed block 53 with installation lid 51 between at a distance from increase, the length of electroprobe is increasingly It is long so that certain shaking occur between fixed block 53 and installation lid 51, may be such that gold when staff uses electroprobe The contact belonged between feeler lever 2 and electrical body is unstable, and then influences the accurate of test.In order to enable installation lid 51 and fixed block 53 It is more secured when lengthening, it is connected between installation lid 51 and fixed block 53 and stablizes for electroprobe will to be increased after electroprobe elongation More telescopic rods 58 of property.

Specifically, as shown in figure 5, being provided with three between fixed block 53 and installation lid 51 along 51 circumferential direction of installation lids etc. The telescopic rod 58 of spacing setting, with reference to Fig. 6, telescopic rod 58 here includes more piece elongation section 581, and elongation section 581 here is set It is set to cast, and is sequentially sleeved at together, with reference to Fig. 7, wherein in two neighboring elongation section 581, the elongation section 581 in outside Be provided on towards one end of telescopic direction with elongation section 581 end faces it is vertical and with inside elongation section 581 outer walls contact outside Bulge loop 582, inside elongation section 581 away from telescopic direction one end on be provided with elongation save 581 end faces it is vertical and with outside Elongation section 581 inner walls contact internal projecting ring 583, internal projecting ring 583 here is arranged in outer bulge loop 582 away from flexible direction On so that by push rod 52 by fixed block 53 with installation lid 51 between at a distance from lengthen when, telescopic rod 58 stretch so that adjacent two Translational motion occurs between the elongation section 581 of section so that occur between inside elongation section 581 and outside elongation section 581 mutually opposite The movement in direction so that the extended length of the two, and then a support is carried out between fixed block 53 and installation lid 51, make fixation Push rod 52 between block 53 and installation lid 51 is more stable, will not shake again.

In addition, outer bulge loop 582 and internal projecting ring 583 is arranged in push rod 52 so that closest moving the elongation section 581 of inside to Position when under the position-limiting action of outer bulge loop 582 and internal projecting ring 583 so that the elongation section 581 of inside will not be stretched with outside Meropodium 581 detaches.

The application method of the utility model is, will when needing to carry out the test of voltage to position deep on machine Extension bar 4 is mounted in metal feeler lever 2 so that the contact length of metal feeler lever 2 lengthens on electroprobe so that is equipped with extension bar Electroprobe with electrical body convenient for being contacted, and then the hand with metal end 3 of staff contacts so that on metal end 3 Electric energy be enough transferred on the body of staff, then staff contacts metal feeler lever 2 with electrical body, and observes neon bulb Whether shine, to complete to test.By installing extension bar 4 in metal feeler lever 2 so that staff compares in test machine It is more convenient when deeper position.

Embodiment 2：Difference lies in as shown in Fig. 8, Fig. 9, Figure 10, on the cell wall of groove 41 with embodiment 1 for the present embodiment It is provided with the sliding slot 43 circumferentially on groove 41, and the direction of sliding slot 43 is set as identical as the length direction of push rod 52, It is provided with the card slot 44 with 43 vertical connection of sliding slot on the cell wall of groove 41, and is provided on convex block 21 and is tied with 44 position of card slot Structure cooperation fixture block 22, here the width of sliding slot 43 be not less than fixture block 22 width.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (10)

1. a kind of electroprobe being equipped with extension bar, including plastic shell（1）, metal feeler lever（2）And metal end（3）, plastics Shell（1）In be equipped with neon bulb, safe Resistance and spring, it is characterised in that：The metal feeler lever（2）On metal be installed be made Extension bar（4）, the metal feeler lever（2）On be provided with convex block（21）, the convex block（21）It is arranged in metal feeler lever（2）With band The upside of the position of electric body contact, the extension bar（4）One end on be provided with and convex block（21）The groove of cooperation（41）, described Groove（41）Downside be provided with and be opened in extension bar（4）It is used for metal feeler lever on shaft（2）The position contacted with electrical body Set mating caulking groove（42）.

2. the electroprobe according to claim 1 for being equipped with extension bar, it is characterised in that：The groove（41）With convex block（21） It is set as being threadedly coupled.

3. the electroprobe according to claim 1 for being equipped with extension bar, it is characterised in that：The groove（41）Cell wall on set It is equipped in groove（41）On sliding slot circumferentially（43）, and sliding slot（43）Direction be set as and push rod（52）Length direction It is identical, the groove（41）Cell wall on be provided with and sliding slot（43）The card slot of vertical connection（44）, the convex block（21）On set It is equipped with and card slot（44）The fixture block of positional structure cooperation（22）, the sliding slot（43）Width be not less than fixture block（22）Width.

4. the electroprobe according to claim 2 or 3 for being equipped with extension bar, it is characterised in that：The plastic shell（1）Setting Metal end（3）One end be also equipped with lengthening component（5）, the lengthening component（5）Including being located at metal end（3）It is upper with Plastic shell（1）The installation lid to link together（51）, vertical be threaded through installation lid（51）Upper and and metal end（3）Contact Push rod（52）, be set in push rod（52）On fixed block（53）, be opened in fixed block（53）On for push rod（52）The through-hole passed through （54）And it is arranged in fixed block（53）On surface and push rod（52）The metallic plate of connection（55）, the push rod（52）By metal It is made or is enclosed with one layer of metal shell, and push rod（52）On metal and metal end（3）And metallic plate（55）Contact, institute State push rod（52）Far from metal end（3）One end be pierced by fixed block（53）.

5. the electroprobe according to claim 4 for being equipped with extension bar, it is characterised in that：The push rod（52）With metal end （3）One end of contact is provided with made of metal for expanding push rod（52）With metal end（3）The expansion plate of contact area （56）.

6. the electroprobe according to claim 5 for being equipped with extension bar, it is characterised in that：The plastic shell（1）With installation Lid（51）Between be set as being threadedly coupled.

7. the electroprobe according to claim 6 for being equipped with extension bar, it is characterised in that：The push rod（52）It is set as screw thread Bar, and and fixed block（53）To be threadedly coupled, the push rod（52）It is covered with installation（51）Connection be set as being rotatablely connected, pushing away Bar（52）When rotation, installation lid（51）It does not act.

8. the electroprobe according to claim 7 for being equipped with extension bar, it is characterised in that：The push rod（52）Far from metal end Lid（3）One end knob is installed（57）.

9. the electroprobe according to claim 8 for being equipped with extension bar, it is characterised in that：The installation lid（51）With fixed block （53）Between be connected with for will after electroprobe extends increase electroprobe stability more telescopic rods（58）.

10. the electroprobe according to claim 9 for being equipped with extension bar, it is characterised in that：The fixed block（53）With installation Lid（51）Between be provided with three along installation lid（51）The telescopic rod of circumferential spaced set（58）, the telescopic rod（58）Including More piece elongation section（581）, the elongation section（581）It is set as cast, and is sequentially sleeved at together, is saved in two neighboring elongation （581）In, the elongation section in outside（581）It is provided on towards one end of telescopic direction and is saved with elongation（581）End face it is vertical and with The elongation section of inside（581）The outer bulge loop of outer wall contact（582）, the elongation section of inside（581）On one end of telescopic direction It is provided with and is saved with elongation（581）End face it is vertical and with the elongation section in outside（581）The internal projecting ring of inner wall contact（583）, described interior Bulge loop（583）It is arranged in outer bulge loop（582）On flexible direction.