CN208140786U - Test pencil - Google Patents
Test pencil Download PDFInfo
- Publication number
- CN208140786U CN208140786U CN201820658061.0U CN201820658061U CN208140786U CN 208140786 U CN208140786 U CN 208140786U CN 201820658061 U CN201820658061 U CN 201820658061U CN 208140786 U CN208140786 U CN 208140786U
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- CN
- China
- Prior art keywords
- pen core
- insulation
- hook
- slot
- detection probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 104
- 229910052754 neon Inorganic materials 0.000 claims description 28
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000012780 transparent material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model provides an electricity test pen, which relates to the field of electrician equipment, and comprises an insulating shell and an insulating pen core, wherein the insulating shell and the insulating pen core are both made of insulating materials, and the insulating pen core slides in the insulating shell; a fixing hook is arranged on the outer side of the insulating shell and comprises a hook body and a hook handle, and the hook handle can slide along the insulating shell and can be fixed relative to the insulating shell; the insulating pen core can be positioned in the accommodating groove of the hook body after extending out; the front end of the insulating pen core is provided with a detection probe which is fixedly connected with the insulating pen core, and the front end of the detection probe is contacted with an object to be detected; the detection probe is a needle-shaped body, an external thread is arranged on the outer surface of the needle-shaped body, and the helix angle direction of the external thread extends along the length direction of the needle-shaped body. The utility model provides an electricity test pen has alleviated the great technical problem of potential safety hazard when testing the use that the electricity test pen exists among the prior art.
Description
Technical field
The utility model relates to electrical equipment fields, more particularly, to a kind of electroscope.
Background technique
Electroscope is for detecting whether conducting wire charges.The front end of electroscope is contacted with object under test, rear end and human contact,
There is insulation tube in the centre of front-end and back-end, is inside neon lamp, resistance and the compression spring that can be shone.
Existing electroscope, the part that front end is contacted with object under test are metal probe, shape and straight screwdriver class
Seemingly.When testing electrical body, staff should allow the metal probe of electrical verification anterior end of pen to contact electrical body, while touch electrical verification with hand
The sheet metal of pen end, if electrical body has electric current to pass through and makes traffic clearance, the neon bulb of electroscope shines.
Above-mentioned electroscope needs first to raise the crust of electric wire when in use, or cuts open a road length mouth, allows the copper of the inside
Line is exposed, enables to contact with the metal probe of electroscope.But above-mentioned electroscope check whether electrification when, operator
Necessary one hand steered firmly cable, another hand contact the copper wire of the metal probe of electroscope and cable.For staff
Aforesaid operations have security risk, especially when examining high-tension bus-bar.
To sum up, how a kind of electroscope to be provided, when use security risk it is small and it is easy to operate be those skilled in the art
Urgent problem to be solved.Based on this, the utility model provides a kind of electroscope to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of electroscopes, when being used existing for electroscope in the prior art with alleviating
The larger technical problem of security risk.
Electroscope provided by the utility model, including by insulation shell made of insulating materials and insulation pen core, it is described absolutely
Edge pen core slides in the insulation shell；Stay hook is provided on the outside of the insulation shell, the stay hook includes coupler body and hook
Handle, the neck of hook can prolong insulation shell sliding and can the relatively described insulation shell fix；The insulation pen core can be with after stretching out
Inside the holding tank of the coupler body；The front end of the insulation pen core is provided with detection probe, the detection probe with it is described
Insulation pen core is fixedly connected, and the front end of the detection probe is contacted with object under test；The detection probe is in spicule, the needle
The outer surface of shape body is provided with external screw thread, and the length direction of the spicule is prolonged in the externally threaded helix angle direction.
Further, sliding slot is provided on the outside of the insulation shell, the neck of hook slides in the sliding slot；The neck of hook
Outside be provided with hand push portion, have gag lever post in the hand push portion, be provided with limit hole on the neck of hook and the sliding slot, institute
Gag lever post is stated to be inserted into the limit hole.
Further, the slot for positioning to cable is provided on the coupler body.
Further, the coupler body includes adjustment section and fixed section, and the fixed section is fixedly connected with the neck of hook, described
Adjustment section and fixed section insert and can prolong the fixed section and pull out or withdraw.
Further, the length of the neck of hook is as the length of the insulation shell.
Further, neon tube slot for fixing neon tube is provided on the insulation pen core and for the resistance of fixed resistance
Slot, the neon tube slot arrange that the detection probe is connected to the slot bottom of the neon tube slot close to the detection probe；The electricity
It hinders slot and arranges that one end of the resistance slot is connected to the neon tube slot close to the rear end of the insulation pen core, the other end and hand touch
Metal abuts against；There is through slot on the side wall of the insulation shell, the hand touching metal is stretched out out of described through slot.
Further, the rear end of the insulation pen core is provided with operating stick, and the outer wall of the operating stick is provided with external screw thread,
The rear end of the insulation shell is correspondingly arranged on internal screw thread, and the insulation pen core is connected through a screw thread with the insulation shell；The hand
Metal is touched between the insulation pen core and the operating stick.
Further, the side wall of the insulation shell has observation window, and the position of the observation window is corresponding with the neon tube slot.
Further, the insulation shell is formed using transparent material system.
Further, the external screw thread extends to the front end of the detection probe.
The electroscope provided by the utility model includes insulation shell and insulation pen core.The front end setting of insulation pen core is useful
In the detection probe contacted with object under test.Insulation pen core slides in insulation shell, and insulate pen core when it skids off insulation shell
The detection probe of front end is stretched out, and when detection probe is slided round about, detection probe is withdrawn.
It is provided with stay hook on the outside of insulation shell, when electrical verification first catches on cable using stay hook, then will test probe stretching.
Stay hook includes coupler body and the neck of hook, the neck of hook can prolong insulation shell sliding and can the relatively described insulation shell fix；The pen core that insulate stretches out
It can be located inside the holding tank of coupler body afterwards.For detecting the cable hung in the air, the neck of hook can be prolonged into insulation shell and released, it will
Coupler body is hung on the outside of cable, will just be secured on the outside of cable at this time.
When insulation pen core reaches extreme position, the front end of detection probe thereon is located inside the holding tank of coupler body.?
In the fixed situation in the outside of cable, due to there is support force on the outside of cable, detection probe can relatively be easily inserted into cable
It is interior.For installing series connection neon light bulb and capacitor inside the insulation pen core of electroscope.One end of capacitor is connect with detection probe,
The other end is connect with one end of neon light bulb.One end of neon light bulb and capacitance connection, the other end are connected with hand touching metal.Hand touching
Metal is made of conductive metal material, and staff touches metal by contact hand and voltage test pencil is connected.
It is worth noting that, by the cooperation of stay hook and detection probe, operator be not necessarily to it is hand steered live cable, when consolidating
Staff can not touch hand touching metal when being hooked on cable surely, that is, disconnect the circuit of electroscope.Therefore above-mentioned to test
Security risk is minimum when electroprobe uses, not only easy to operate especially when detecting high voltage cable, small to the damage of cable,
And it can guarantee the safety of operator.
Based on this, the utility model has the advantages that small to protection operator's security risk compared with original technology.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of electroscope provided by the embodiment of the utility model；
Fig. 2 is the main view of insulation shell；
Fig. 3 is the main view of insulation pen core；
Another structure chart of Fig. 4 coupler body：
Fig. 5 is the schematic diagram that detection probe is retracted in insulation shell.
Label：100- insulation shell；110- sliding slot；110- hand touches the through slot that metal stretches out；120- observation window；200-
Insulate pen core；220- neon tube slot；230- resistance slot；300- detection probe；400- operating stick；500- hand touches metal；
600- stay hook；610- coupler body；611- adjustment section；612- fixed section；613- is used for the slot positioned to cable；620- hook
Handle；621- hand push portion.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment
As Figure 1-Figure 5, a kind of electroscope, electroscope provided by the utility model, packet are provided in the present embodiment
Insulation shell 100 and insulation pen core 200, the insulation pen core 200 are sliding in the insulation shell 100 made of including by insulating materials
It is dynamic.
The outside of the insulation shell 100 is provided with stay hook 600, and the stay hook 600 includes coupler body 610 and the neck of hook 620,
The neck of hook 620 can prolong the insulation shell 100 sliding and can the relatively described insulation shell fix；The insulation pen core 200 stretches out
It can be located inside the holding tank of the coupler body 610 afterwards.
The front end of the insulation pen core is provided with detection probe 300, the detection probe 300 and the insulation pen core 200
It is fixedly connected, the front end of the detection probe 300 is contacted with object under test；The detection probe 300 is in spicule, described needle-shaped
The outer surface of body is provided with external screw thread, and the length direction of the spicule is prolonged in the externally threaded helix angle direction.
The electroscope provided by the utility model includes insulation shell 100 and insulation pen core 200.Before insulation pen core 200
End is provided with the detection probe 300 for contacting with object under test.Insulation pen core 200 slides in insulation shell 100, when it is skidded off
The detection probe 300 of the front end of insulation pen core 200 is stretched out when insulation shell 100, the detection when detection probe is slided round about
Probe is withdrawn.
It is provided with stay hook 600 on the outside of insulation shell, when electrical verification first catches on cable using stay hook 600, then will test spy
Needle 300 stretches out.Stay hook includes coupler body 610 and the neck of hook 620, and the neck of hook 620 can prolong the sliding of insulation shell 100 and can opposing insulation shell
100 is fixed；The pen core 200 that insulate can be located inside the holding tank of coupler body after stretching out.For detecting the cable hung in the air,
The neck of hook 620 is prolonged insulation shell 100 to release, coupler body 610 is hung on the outside of cable, will just be secured on the outside of cable at this time.
When insulation pen core 200 reaches extreme position, the front end of detection probe thereon is located in the holding tank of coupler body 610
Portion.In the fixed situation in the outside of cable, due to there is support force on the outside of cable, detection probe 300 can be more easily
It is inserted into cable.For installing series connection neon light bulb and capacitor inside the insulation pen core 200 of electroscope.One end of capacitor and inspection
The connection of probing needle, the other end are connect with one end of neon light bulb.One end of neon light bulb and capacitance connection, the other end and hand touching gold
Belong to 500 connections.Hand touches metal 500 and is made of conductive metal material, and staff touches metal 500 for voltage test pencil by contact hand
Conducting.
It is worth noting that, passing through the cooperation of stay hook 600 and detection probe 300, operator is not necessarily to hand steered firmly electricity
Cable, when fixed be hooked on cable, staff can not touch hand touching metal, that is, disconnect the circuit of electroscope.Therefore on
Security risk is minimum when the electroscope stated uses, not only easy to operate especially when detecting high voltage cable, to the damage of cable
Hurt safety that is small, and can guarantee operator.
In the optinal plan of the present embodiment, a kind of connection structure of stay hook and insulation shell is：The outside of the insulation shell
It is provided with sliding slot 110, the neck of hook slides in the sliding slot 110；The outside of the neck of hook 620 is provided with hand push portion 621, institute
Stating has gag lever post in hand push portion 621, limit hole is provided on the neck of hook and the sliding slot, and the gag lever post is inserted into described
In limit hole.
In use, hand push portion is located at the neck of hook, for pushing stay hook to prolong insulation shell sliding.Hand push has gag lever post in portion, Gu
Determine to be provided with limit hole on the neck of hook and sliding slot of hook, gag lever post is inserted into limit hole.By adjusting gag lever post in the neck of hook
Position, the length that adjustable coupler body stretches out.
Optionally, the length of the neck of hook 620 of stay hook is as the length of insulation shell 100.Or the length ratio of the neck of hook 620
The small 1cm-10cm of the length of insulation shell 100.
Such as Fig. 2, in the optinal plan of the present embodiment, a kind of structure of coupler body is：It is provided on the coupler body for line
The slot 613 of cable positioning.
Such as Fig. 4, in the optinal plan of the present embodiment, another structure of coupler body is：The coupler body includes 611 He of adjustment section
Fixed section 612, the fixed section 612 are fixedly connected with the neck of hook 620, the adjustment section 611 and the inserting of fixed section 612 and energy
Enough prolong the fixed section 612 to pull out or withdraw.Increase the face for placing cable part of stay hook by pulling out adjustment section 611
Product, is adapted to the big cable of width.Adjustment section 611 can be withdrawn in order to store when not in use.
Such as Fig. 1-Fig. 3, detection probe 300 is in spicule, and the outer surface of spicule is provided with external screw thread, externally threaded spiral shell
Prolong the length direction of spicule in rotation lift angle direction；The front end of usual electroscope refers to that the one end contacted with object under test, rear end are
With one end of human contact.And the front end of electroscope i.e. the front end of detection probe, since detection probe is in spicule, before
End can a part have external screw thread, can also all have external screw thread.In the optinal plan of the present embodiment, external screw thread extends to inspection
The front end of probing needle.
Such as Fig. 3, in the optinal plan of the present embodiment, the neon tube slot for fixing neon tube is provided on the insulation pen core
220 and for fixed resistance resistance slot 230, the neon tube slot 220 close to the detection probe 300 arrange, the detection
Probe 300 is connected to the slot bottom of the neon tube slot 220；The resistance slot 230 close to it is described insulation pen core 200 rear end arrange,
One end of the resistance slot 230 is connected to the neon tube slot 220, and the other end is abutted against with hand touching metal 500；The insulation shell
The through slot 110 for thering is hand touching metal to stretch out on side wall.
Further, a kind of structure for being slided in the insulation shell of insulation pen core be using screw pair, specifically,
The rear end of the insulation pen core is provided with operating stick 400, and the outer wall of the operating stick 400 is provided with external screw thread, the insulation shell
Rear end be correspondingly arranged on internal screw thread, the insulation pen core is connected through a screw thread with the insulation shell；The hand touches 500, metal
Between the insulation pen core 200 and the operating stick 400.
Optionally, another structure slided in the insulation shell 100 of insulation pen core 200 be using sliding pair,
Specifically, being provided with prominent card on the outside of the insulation pen core, there is card slot on the insulation shell, the protrusion is stuck in the card slot
When interior, the detection probe reaches limiting length.Extension elongation suitable for detection probe does not need continuously adjustable situation.
Whether due to neon tube luminous to be observed, in the optinal plan of the present embodiment, the insulation shell uses transparent material system
It forms.Alternatively, the insulation shell is formed without using transparent material system, the side wall of the insulation shell has observation window, the sight at this time
The position for examining window is corresponding with the neon tube slot.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand：It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of electroscope, which is characterized in that including by insulation shell made of insulating materials and insulation pen core, the insulation pen
Core slides in the insulation shell；
The front end of the insulation pen core is provided with detection probe, and the detection probe is fixedly connected with the insulation pen core, described
The front end of detection probe is contacted with object under test；
The detection probe is in spicule, and the outer surface of the spicule is provided with external screw thread, the externally threaded helix angle
Prolong the length direction of the spicule in direction；
Stay hook is provided on the outside of the insulation shell, the stay hook includes coupler body and the neck of hook, and the neck of hook can prolong described exhausted
Edge shell sliding and can the relatively described insulation shell fix；When the insulation pen core reaches extreme position, the detection probe
Front end is located inside the holding tank of the coupler body.
2. electroscope according to claim 1, which is characterized in that be provided with sliding slot, the hook on the outside of the insulation shell
Handle slides in the sliding slot；
It is provided with hand push portion on the outside of the neck of hook, has gag lever post in the hand push portion, is all provided on the neck of hook and the sliding slot
It is equipped with limit hole, the gag lever post is inserted into the limit hole.
3. electroscope according to claim 1, which is characterized in that be provided on the coupler body for being positioned to cable
Slot.
4. electroscope according to claim 1, which is characterized in that the coupler body includes adjustment section and fixed section, described solid
Determine section to be fixedly connected with the neck of hook, the adjustment section and fixed section insert and can prolong the fixed section and pull out or withdraw.
5. electroscope according to claim 1, which is characterized in that the length one of the length of the neck of hook and the insulation shell
Sample.
6. electroscope according to claim 2, which is characterized in that be provided on the insulation pen core for fixing neon tube
Neon tube slot and resistance slot for fixed resistance, the neon tube slot arrange that the detection probe connects close to the detection probe
Pass to the slot bottom of the neon tube slot；
The resistance slot arranges that one end of the resistance slot is connected to the neon tube slot, separately close to the rear end of the insulation pen core
One end is abutted against with hand touching metal；There is through slot on the side wall of the insulation shell, the hand touching metal is stretched out out of described through slot.
7. electroscope according to claim 6, which is characterized in that the rear end of the insulation pen core is provided with operating stick, institute
The outer wall for stating operating stick is provided with external screw thread, and the rear end of the insulation shell is correspondingly arranged on internal screw thread, the insulation pen core and institute
Insulation shell is stated to be connected through a screw thread；The hand touching metal is between the insulation pen core and the operating stick.
8. electroscope according to claim 6, which is characterized in that the side wall of the insulation shell has observation window, the observation
The position of window is corresponding with the neon tube slot.
9. electroscope according to claim 2, which is characterized in that the insulation shell is formed using transparent material system.
10. -9 described in any item electroscopes according to claim 1, which is characterized in that the external screw thread extends to the detection
The front end of probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658061.0U CN208140786U (en) | 2018-05-03 | 2018-05-03 | Test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658061.0U CN208140786U (en) | 2018-05-03 | 2018-05-03 | Test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140786U true CN208140786U (en) | 2018-11-23 |
Family
ID=64312175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820658061.0U Active CN208140786U (en) | 2018-05-03 | 2018-05-03 | Test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208140786U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581036A (en) * | 2018-12-07 | 2019-04-05 | 南京铁道职业技术学院 | A kind of railway electrical power contact network Special electroscope |
| CN109975599A (en) * | 2019-05-06 | 2019-07-05 | 宏和机电工程有限公司 | A kind of Multifunctional power network distribution electroscope |
| CN111596103A (en) * | 2020-06-24 | 2020-08-28 | 国网江苏省电力有限公司无锡供电分公司 | Electric power secondary test short-circuit pen |
| CN114966140A (en) * | 2022-08-03 | 2022-08-30 | 国网江苏省电力有限公司连云港市赣榆区供电分公司 | Device and method for monitoring electric leakage of user |
-
2018
- 2018-05-03 CN CN201820658061.0U patent/CN208140786U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581036A (en) * | 2018-12-07 | 2019-04-05 | 南京铁道职业技术学院 | A kind of railway electrical power contact network Special electroscope |
| CN109975599A (en) * | 2019-05-06 | 2019-07-05 | 宏和机电工程有限公司 | A kind of Multifunctional power network distribution electroscope |
| CN109975599B (en) * | 2019-05-06 | 2024-04-05 | 广东粤隆电力技术有限公司 | Multifunctional electricity test pen for power distribution of power grid |
| CN111596103A (en) * | 2020-06-24 | 2020-08-28 | 国网江苏省电力有限公司无锡供电分公司 | Electric power secondary test short-circuit pen |
| CN114966140A (en) * | 2022-08-03 | 2022-08-30 | 国网江苏省电力有限公司连云港市赣榆区供电分公司 | Device and method for monitoring electric leakage of user |
| CN114966140B (en) * | 2022-08-03 | 2022-10-11 | 国网江苏省电力有限公司连云港市赣榆区供电分公司 | Device and method for monitoring electric leakage of user |
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