CN214794985U

CN214794985U - Portable electroscope

Info

Publication number: CN214794985U
Application number: CN202121265196.9U
Authority: CN
Inventors: 何良玉
Original assignee: Sichuan Zhongzhiguang Technology Co ltd
Current assignee: Sichuan Zhongzhiguang Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-19
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a portable electroscope, including electroscope body and the shell outside it, the electroscope body includes the contact of one end for the contact end, with the contact end of contact far away from the contact end telescopic link, head rod and the insulating handle that connects gradually, the lateral wall cover in the middle part of the contact is equipped with the insulating cover, the lateral wall fixed mounting who keeps away from the insulating cover of contact has the regulation pole, the contact middle part is located the below of insulating cover and still overlaps and is equipped with first spring; the utility model discloses contract electroscope to portable and the state of placing to accept the inside of inferior valve with the contact of electroscope, prevent to cause the damage to the electroscope on the ground because of the contact directly touches after the electroscope drops, thereby make the inspection effect of electroscope inaccurate, increased the life-span of electroscope.

Description

Portable electroscope

Technical Field

The utility model relates to an electroscope technical field, concretely relates to portable electroscope.

Background

The electroscope is an instrument for detecting whether an object is electrified or not and roughly estimating the magnitude of the electrified quantity, and the high-voltage electroscope is mainly used for detecting high-voltage electrical equipment with earth voltage of more than 1000V. At present, three types of the luminous type, the acousto-optic type and the windmill type are widely adopted. The high-voltage electroscope generally consists of three parts, namely a detection part (an indicator part or a windmill), an insulation part and a handshake part, and can only be used for detecting alternating voltage. The insulation part is the part from the metal connecting screw at the lower part of the indicator to the end of the cover protection ring, and the holding part is the part below the cover protection ring. The lengths of the insulating part and the handshaking part are different according to different voltage levels.

Present high-voltage electroscope needs load with the toolbox owing to precision requirement itself is higher, and the phenomenon that falls to bump then can influence the life-span of electronic components among the high-voltage electroscope when meetting to carry, and the accuracy of not only verifying can receive the influence, still can cause the reduction in electroscope life-span, consequently the utility model provides a portable high-voltage electroscope is with the problem of solving existence among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the inconvenient problem that easily causes the damage of carrying of current electroscope, provided a portable electroscope, concrete technical scheme as follows:

a portable electroscope comprises an electroscope body and a shell on the outer side of the electroscope body, wherein the electroscope body comprises a contact, a telescopic rod, a first connecting rod and an insulating handle, one end of the contact is a contact end, the telescopic rod, the first connecting rod and the insulating handle are sequentially connected with one end, far away from the contact end, of the contact, an insulating sleeve is sleeved on the side wall of the middle part of the contact, an adjusting rod is fixedly installed on the side wall, far away from the insulating sleeve, of the contact, and a first spring is further sleeved on the middle part of the contact, below the insulating sleeve;

the shell is including the epitheca and the inferior valve that all are equipped with the inner chamber, can dismantle the connection between epitheca and the inferior valve, the telescopic link transversely is provided with the locating plate on being close to the lateral wall of the one end of head rod, installs spacing block and lower spacing block on the chamber wall of epitheca inner chamber respectively, and the locating plate joint is between last spacing block and lower spacing block, a plurality of second connecting rods are installed to the inner chamber wall of inferior valve, and the other end and the lateral wall of insulating cover of second connecting rod are connected, and distribute along the axis circumference of insulating cover, a J-shaped regulation hole has been seted up to the lateral wall of inferior valve, and the one end that the contact was kept away from to the regulation pole passes J-shaped regulation hole and outwards extends.

Preferably, the lower end of the lower shell is an inclined plane with the middle protruding downwards, a butting structure is arranged on the cavity wall of the lower end of the inner cavity of the lower shell, the butting structure comprises two second springs and two arc-shaped butting plates, one end of each second spring is connected with the cavity wall of the inner cavity of the lower shell, the other end of each second spring is connected with one end of each arc-shaped butting plate, and the other end of each arc-shaped butting plate butts against the side wall, close to the contact end, of the contact.

Preferably, one end of the arc abutting plate close to the contact is an inclined surface inclined towards the axis of the contact.

As preferred, a plurality of mounting holes have transversely been seted up to the inner chamber wall that is close to the inferior valve of epitheca, and the third spring is installed to the hole bottom of mounting hole, the fixture block is installed to the other end of third spring, a plurality of arc draw-in grooves have been seted up with the position that the fixture block corresponds to the lateral wall of inferior valve, the arc draw-in groove has two sets ofly to the axis along the inferior valve distributes.

Preferably, one end of the clamping block matched with the arc-shaped clamping groove is matched with the shape of the arc-shaped clamping groove.

Preferably, the middle part of the telescopic rod is provided with a telescopic PE double-wall corrugated pipe.

Preferably, the middle part of the inner wall of the insulating sleeve is provided with an annular groove.

The utility model discloses following beneficial effect has:

the utility model discloses contract electroscope to portable and the state of placing to accept the inside of inferior valve with the contact of electroscope, prevent to cause the damage to the electroscope on the ground because of the contact directly touches after the electroscope drops, thereby make the inspection effect of electroscope inaccurate, increased the life-span of electroscope.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of the portable electroscope of the present invention;

fig. 2 is a schematic structural view of the portable electroscope of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 1.

Reference numerals: 1. an electroscope body; 11. an insulated handle; 12. a first connecting rod; 13. positioning a plate; 14. a telescopic rod; 141. a PE double-wall corrugated pipe; 15. a contact; 16. adjusting a rod; 17. a first spring; 2. a housing; 21. an upper shell; 211. an upper limit block; 212. a lower limiting block; 213. mounting holes; 214. a third spring; 215. a clamping block; 22. a lower case; 221. an arc-shaped clamping groove; 222. a second connecting rod; 223. an annular groove; 224. an insulating sleeve; 225. a second spring; 226. an arc abutting plate; 227. j-shaped adjusting holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings attached to the specification of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations, and features of the embodiments and examples described below may be combined with each other without conflict. The examples given are only for explaining the invention and are not intended to limit the scope of the invention.

Examples

Referring to fig. 1 to 3, the embodiment provides a portable electroscope, which includes an electroscope body 1 and a housing 2 outside the electroscope body, where the electroscope body 1 includes a contact 15 having a contact end at one end, a telescopic rod 14, a first connecting rod 12 and an insulating handle 11, the telescopic rod 14, the first connecting rod 12 and the insulating handle 11 are sequentially connected with one end of the contact 15, the end of the first connecting rod 12 is connected with one end of the telescopic rod 14, the end of the telescopic rod is far from the contact 15, the other end of the telescopic rod is connected with the bottom end of the insulating handle 11, an insulating sleeve 224 is sleeved on a side wall in the middle of the contact 15, an adjusting rod 16 is fixedly installed on the contact 15 above the insulating sleeve 224, a first spring 17 is further sleeved in the middle of the contact 15, one end of the first spring 17 is connected with a side wall of the contact 15, and the other end of the first spring is fixedly connected with the bottom end of the insulating sleeve 224;

the shell 2 comprises an upper shell 21 and a lower shell 22 which are both provided with inner cavities, the top end of the lower shell 22 is inserted at the bottom end of the inner cavity of the upper shell 21, the contact end of the contact 15 penetrates out of the bottom of the lower shell 22, one end of the first connecting rod 12 close to the handle upwards penetrates out of the upper end of the upper shell 21, the upper shell 21 and the lower shell 22 are detachably connected, the side wall of one end of the telescopic rod 14 close to the first connecting rod 12 is transversely provided with a positioning plate 13, the upper end and the lower end of the cavity wall of the inner cavity of the upper shell 21, which are positioned at the upper end and the lower end of the positioning plate 13, are respectively provided with an upper limiting block 211 and a lower limiting block 212, the positioning plate 13 is clamped between the upper limiting block 211 and the lower limiting block 212, the cavity wall of the inner cavity of the lower shell 22 is provided with a plurality of second connecting rods 222, the other ends of the second connecting rods 222 are connected with the side wall of the insulating sleeve 224 and are circumferentially distributed along the axis of the insulating sleeve 224, the lower shell 22 is provided with a J-shaped adjusting hole 227 on the outer side wall, the end of the adjustment lever 16 remote from the contact 15 passes through the J-shaped adjustment aperture 227 and extends outwardly.

A plurality of mounting holes 213 have transversely been seted up with the inner chamber wall of inferior valve 22 junction to epitheca 21, and third spring 214 is installed to the hole bottom of mounting hole 213, fixture block 215 is installed to the other end of third spring 214, a plurality of arc draw-in grooves 221 have been seted up with the position that fixture block 215 corresponds to the lateral wall of inferior valve 22, arc draw-in groove 221 has two sets ofly to the axis along inferior valve 22 distributes. One end of the clamping block 215 matched with the arc-shaped clamping groove 221 is matched with the shape of the arc-shaped clamping groove 221.

The telescopic rod 14 is preferably a PE double-wall corrugated pipe 141 with a telescopic middle part, and both ends of the pipe are common rods, the PE double-wall corrugated pipe 141 has the characteristics of light weight, high pressure resistance, good toughness, and long construction life, and besides the characteristics of the common plastic pipe such as good corrosion resistance, high insulation, smooth inner wall, and small flow resistance, the pipe also has the characteristics of excellent ring stiffness, good strength and toughness, light weight, strong impact resistance, and difficult damage due to the adoption of a special hollow ring structure. .

The middle part of the inner wall of the insulating sleeve 224 is provided with the annular groove 223, so that the contact area between the insulating sleeve 224 and the side wall of the contact 15 is reduced, the friction force between the insulating sleeve 224 and the side wall of the contact 15 is reduced, and the problem that the contact 15 rotates unsmoothly between the insulating sleeves 224 when the adjusting rod 16 is adjusted is avoided.

As shown in fig. 2, when the utility model is used, the first spring 17 is in a compressed state, the adjusting rod 16 is located at the short end of the J-shaped adjusting hole 227, at this time, the contact end of the contact 15 extends out of the bottom end of the lower shell 22, as shown in fig. 2, when the electroscope needs to be contracted, the adjusting rod 16 is moved to the long end of the J-shaped adjusting hole 227, at this time, the first spring 17 is reset, the contact 15 is driven upwards until the contact end of the contact 15 is completely retracted into the inner cavity of the lower shell 22, the insulating handle 11 is held by one hand, the bottom end of the lower shell 22 is held by the other hand, and is pressed towards the middle part along the axis of the connecting rod, in this process, the positioning plate 13 connected with the first connecting rod 12 at the lower end of the handle and located between the upper limiting block 211 and the lower limiting block 212 moves the upper shell 21 towards the lower shell 22 as a whole, and the third spring 214 connected with the fixture block 215 is compressed, the fixture block 215 slides to a group of arc-shaped clamping grooves below along the outer wall of the lower shell 22, the telescopic rod 14 is compressed by the upward force of the lower contact 15 and the downward force of the upper first connecting rod 12.

Through the regulation, contract electroscope to portable and the state of placing to receive electroscope's contact 15 to the inside of inferior valve 22, prevent to cause the damage to electroscope on the ground because of contact 15 directly touchs after the electroscope drops, thereby make electroscope's test effect inaccurate, increased electroscope's life-span.

The lower extreme of inferior valve 22 is middle outstanding inclined plane downwards, and the chamber wall that the inner chamber of inferior valve 22 is located the lower extreme is provided with the butt structure, the butt structure includes two second springs 225 and two arc butt joint boards 226, the one end and the inferior valve 22 inner chamber wall of second spring 225 are connected, and the other end is connected with the one end of arc butt joint board 226, and the other end butt of arc is on contact 15 is close to the lateral wall of contact jaw, and the mouth that will descend the inferior valve 22 bottom after two arc butt joint boards 226 are preferred to be mutual butts seals, will set up the mouth that the butt structure will descend the inferior valve 22 bottom and block, prevents that the dust from getting into the inside damage that causes components and parts of casing.

The end of the arc abutting plate 226 close to the contact 15 is an inclined surface inclined to the axis of the contact 15, so that when the contact end of the contact 15 moves downward to penetrate through the lower shell 22, the two arc plates abutting against each other are squeezed apart.

It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A portable electroscope comprises an electroscope body (1) and a shell (2) on the outer side of the electroscope body, and is characterized in that the electroscope body (1) comprises a contact (15) with one end serving as a contact end, a telescopic rod (14), a first connecting rod (12) and an insulating handle (11), wherein the telescopic rod (14) is sequentially connected with one end, far away from the contact end, of the contact (15), an insulating sleeve (224) is sleeved on the side wall of the middle part of the contact (15), an adjusting rod (16) is fixedly installed on the side wall, far away from the insulating sleeve (224), of the contact (15), and a first spring (17) is further sleeved on the lower part of the insulating sleeve (224) in the middle part of the contact (15);

the shell (2) comprises an upper shell (21) and a lower shell (22) which are both provided with inner cavities, the upper shell (21) and the lower shell (22) are detachably connected, a positioning plate (13) is transversely arranged on the side wall of one end of the telescopic rod (14) close to the first connecting rod (12), an upper limit block (211) and a lower limit block (212) are respectively arranged on the cavity wall of the inner cavity of the upper shell (21), the positioning plate (13) is clamped between the upper limit block (211) and the lower limit block (212), a plurality of second connecting rods (222) are arranged on the cavity wall of the inner cavity of the lower shell (22), the other ends of the second connecting rods (222) are connected with the side wall of the insulating sleeve (224), and the adjusting rod is circumferentially distributed along the axis of the insulating sleeve (224), the side wall of the lower shell (22) is provided with a J-shaped adjusting hole (227), and one end, far away from the contact (15), of the adjusting rod (16) penetrates through the J-shaped adjusting hole (227) and extends outwards.

2. The portable electroscope according to claim 1, wherein the lower end of the lower shell (22) is an inclined plane protruding downwards from the middle, the cavity wall of the inner cavity of the lower shell (22) at the lower end is provided with an abutting structure, the abutting structure comprises two second springs (225) and two arc abutting plates (226), one end of each second spring (225) is connected with the cavity wall of the inner cavity of the lower shell (22), the other end of each second spring is connected with one end of each arc abutting plate (226), and the other end of each arc abutting against the side wall of the contact terminal (15) close to the contact end.

3. A portable electroscope according to claim 2, characterised in that the end of the curved abutment plate (226) close to the contact (15) is bevelled towards the axis of the contact (15).

4. The portable electroscope of claim 1, wherein the inner cavity wall of the upper shell (21) close to the lower shell (22) is transversely provided with a plurality of mounting holes (213), the bottom of the mounting hole (213) is provided with a third spring (214), the other end of the third spring (214) is provided with a clamping block (215), the side wall of the lower shell (22) is provided with a plurality of arc-shaped clamping grooves (221) corresponding to the clamping block (215), and the arc-shaped clamping grooves (221) are provided with two groups and distributed along the axis of the lower shell (22).

5. The portable electroscope according to claim 4, wherein one end of the clamping block (215) matched with the arc-shaped clamping groove (221) is adapted to the shape of the arc-shaped clamping groove (221).

6. A portable electroscope according to claim 1, characterized in that the middle part of the telescopic rod (14) is a telescopic PE double-walled bellows (141).

7. A portable electroscope according to claim 1, characterized in that the insulating sleeve (224) is provided with an annular groove (223) in the middle of its inner wall.