CN209764940U - Electricity test pen for electric power engineering construction - Google Patents

Abstract

the utility model discloses an electric power engineering construction is with examining electrography, including insulating shell, metal feeler lever, step-down resistor and neon tube, the right side fixed mounting of insulating shell has insulation support, the left side of insulating shell is inlayed and is had the metal pen cap, the lag has been cup jointed on insulation support's right side, the left side of metal feeler lever runs through inside the insulation support inner chamber extends to the insulating shell, step-down resistor is installed on the inside right side of insulating shell, step-down resistor one end and metal feeler lever welded connection, the inside intermediate position department fixed mounting of insulating shell has the spotlight structure, the inside of spotlight structure is provided with the neon tube. The utility model discloses having increased lag, clean cotton circle and contact cover, having strengthened the protection to the exposed department in metal feeler lever right side, having ensured the clean and dry of metal feeler lever, avoided the metal feeler lever to be corroded and oxidize, strengthened the protection to the metal feeler lever, promoted the practicality, be provided with spotlight structure, the user is convenient for observe more, promotes the practicality.

Description

Electricity test pen for electric power engineering construction

Technical Field

The utility model relates to an electric power engineering construction tool technical field specifically is an electric power engineering construction is with examining electrography.

Background

Along with the continuous development of society, the continuous progress of economy, attach more and more importance to electric power engineering's construction, in order to strengthen the security of construction, often need use and test the electrography, it usually comprises contact, neon tube, step-down resistance and pen cap etc. to test the electrography, current test electrography single structure, the contact of metal feeler lever is direct to expose in the air, there is not protective structure, protection to the metal feeler lever is not enough, current test the electrography when outdoor use, neon tube luminous intensity is little, difficult observation, the accuracy of electricity is tested in the influence, the practicality of testing the electrography is influenced.

SUMMERY OF THE UTILITY MODEL

an object of the utility model is to provide an electric power engineering construction is with testing electrography to it does not have protective structure to provide current test electrography in solving above-mentioned background art, and is not enough to the protection of metal feeler lever, and neon tube luminous intensity is little, and difficult observation influences the problem of the accuracy of testing the electricity.

The utility model discloses an one of the purpose adopts following technical scheme to realize: an electricity test pencil for electric power engineering construction comprises an insulating shell, a metal feeler lever, a voltage reduction resistor and a neon tube, an insulating sleeve is fixedly arranged on the right side of the insulating shell, a metal pen cap is embedded on the left side of the insulating shell, the right side of the insulating sleeve is sleeved with a protective sleeve, the left side of the metal contact rod penetrates through the inner cavity of the insulating sleeve and extends to the inside of the insulating shell, a voltage reduction resistor is arranged on the right side in the insulating shell, one end of the voltage reduction resistor is welded and connected with the metal feeler lever, a light-gathering structure is fixedly arranged at the middle position inside the insulating shell, a neon tube is arranged inside the light-gathering structure, the right side of the neon tube is connected with the left side of the voltage reduction resistor, a spring is arranged between the right side of the metal pen cap and the left side of the neon tube, the inner wall of lag is pasted and is had clean cotton circle, the inside right-hand member of lag is pasted and is had the contact lid.

Preferably, the outer wall on insulating sleeve right side has seted up the ring groove, the inner wall of lag is pasted and is had rubber ring, and rubber ring and ring groove constitution card income formula mosaic structure.

Preferably, the protective sleeve comprises a plastic inner sleeve, a silica gel soft sleeve and a metal pipe ring, the outer wall of the plastic inner sleeve is wrapped with the silica gel soft sleeve, and the metal pipe ring penetrates through the plastic inner sleeve and the silica gel soft sleeve in sequence.

Preferably, the light condensation structure comprises a metal sleeve, an embedded groove, a light transmission piece and a light transmission cover, wherein the embedded groove is uniformly formed in the outer wall of the metal sleeve, and the light transmission cover and the light transmission piece are sequentially embedded in the embedded groove from top to bottom.

Preferably, the caulking grooves are 4 in number, are distributed in an annular array, and the color of the light-transmitting cover is bright red.

Preferably, the shape of the inner cavity of the contact cover is the same as that of the contact at the right side of the metal contact rod.

Compared with the prior art, the beneficial effects of the utility model are that: this electric power engineering construction has increased lag, clean cotton circle and contact lid with testing the electrography, strengthens the protection to the exposed department in metal feeler lever right side, ensures the clean and dry of metal feeler lever, avoids the metal feeler lever to be corroded and oxidation, strengthens the protection to the metal feeler lever, promotes the practicality.

Be provided with plastics endotheca, soft cover of silica gel and metal pipe circle, the soft cover of silica gel possesses good resiliency, strengthens the protection that falls to the test pencil, and the metal pipe circle has strengthened the local strength of plastics endotheca and soft cover of silica gel, avoids plastics endotheca or the soft cover of silica gel broken, rational in infrastructure, convenient to use.

Be provided with spotlight structure, utilize metal casing to carry out the gathering to light, the printing opacity piece has good light transmissivity simultaneously, and the printing opacity cover has promoted the contrast effect for the user is convenient for observe more, promotes the practicality.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

Fig. 3 is a schematic structural front sectional view of the protective cover of the present invention;

Fig. 4 is a schematic side view of the structure of the light-focusing structure of the present invention.

In the figure: 1. an insulating case; 2. an insulating sleeve; 3. a metal pen cap; 4. a protective sleeve; 401. a plastic inner sleeve; 402. a silica gel soft sleeve; 403. a metal pipe ring; 5. a metal feeler lever; 6. a voltage reduction resistor; 7. a neon tube; 8. a spring; 9. a light-gathering structure; 901. a metal sleeve; 902. caulking grooves; 903. a light transmitting sheet; 904. a light-transmitting cover; 10. cleaning cotton rings; 11. and a contact cover.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides an electric power engineering construction is with examining electrography, including insulating casing 1, metal feeler lever 5, step-down resistor 6 and neon tube 7, insulating casing 1's right side fixed mounting has insulating sleeve 2, the ring groove has been seted up to the outer wall on insulating sleeve 2 right side, the left side of insulating casing 1 is inlayed and is had metal pen cap 3, lag 4 has been cup jointed on insulating sleeve 2's right side, the inner wall of lag 4 is pasted and is had the rubber ring, and the snap-in mosaic structure is constituteed with the ring groove to the rubber ring, when lid closes lag 4, inside the ring groove is gone into to the rubber ring card, inlay fixed knot structure when lag 4 and insulating sleeve 2 form the card and dismantle, lag 4 are difficult for droing, strengthen the convenience of using.

The lag 4 includes plastics endotheca 401, soft cover 402 of silica gel and tubular metal resonator 403, the outer wall parcel of plastics endotheca 401 has soft cover 402 of silica gel, tubular metal resonator 403 runs through plastics endotheca 401 and soft cover 402 of silica gel in proper order, the soft cover 402 of silica gel of plastics endotheca 401 outer wall possesses good deformability, play good deformability when meetting the collision, simultaneously because the inside tubular metal resonator 403 that runs through of plastics endotheca 401 and soft cover 402 of silica gel, the local intensity of plastics endotheca 401 and soft cover 402 of silica gel has been promoted, effectively reduce the damage of plastics endotheca 401 and soft cover 402 of silica gel, and is rational in infrastructure, high durability and convenient use, and high practicability.

The left side of the metal contact rod 5 penetrates through the inner cavity of the insulating sleeve 2 and extends into the insulating shell 1, the voltage-reducing resistor 6 is installed on the right side inside the insulating shell 1, one end of the voltage-reducing resistor 6 is connected with the metal contact rod 5 in a welding mode, the light-gathering structure 9 is fixedly installed at the middle position inside the insulating shell 1, the light-gathering structure 9 comprises a metal sleeve 901, an embedded groove 902, a light-transmitting sheet 903 and a light-transmitting cover 904, the metal sleeve 901 is made of metal, two ends of the metal sleeve 901 are connected with the insulating shell 1 in a sealing mode and are provided with black light-blocking sheets, a smooth light-reflecting surface is arranged inside the metal sleeve 901, the embedded grooves 902 are uniformly formed in the outer wall of the metal sleeve 901, the embedded grooves 902 are 4, the embedded grooves 902 are distributed in an annular array mode, multiple directions can be observed, the use is more convenient, the light-transmitting cover 904 and the light-, the material of printing opacity cover 904 is PC, and the colour of printing opacity cover 904 is big red, and light is through the radiation of the inside smooth mirror surface of metal sleeve 901 to and metal sleeve 901 both ends and insulating casing 1 avoid the structure, jet out from caulking groove 902, and light passes the printing opacity piece 903 and the printing opacity cover 904 that possess high light transmissivity, because the colour of printing opacity cover 904 is red, has strengthened the contrast, is convenient for watch the discernment, strengthens the practicality.

The inside of spotlight structure 9 is provided with neon tube 7, neon tube 7's right side is connected with step-down resistor 6's left side, install spring 8 between 3 right sides of metal pen cap and neon tube 7's the left side, the inner wall of lag 4 is pasted and is had clean cotton circle 10, the inside right-hand member of lag 4 is pasted and is had contact lid 11, the inner chamber shape of contact lid 11 is the same with the shape of metal feeler lever 5 right side contact, contact lid 11 wraps the contact on metal feeler lever 5 right side, strengthen the protection to metal feeler lever 5 contact, avoid the condition such as direct ground that falls when metal feeler lever 5 daily carries, and carry out the separation with metal feeler lever 5 and outside air, avoid metal feeler lever 5 oxidation corrosion to appear.

the working principle is as follows: when the neon tube test device is used, the protective sleeve 4 is taken down firstly, then the pen is held in a correct posture, then the contact part of the metal contact rod 5 is contacted with a position needing to be tested, the forefinger presses the metal pen cap 3, the current at the testing position sequentially passes through the metal contact rod 5, the voltage reduction resistor 6, the neon tube 7, the spring 8 and the metal pen cap 3, the neon tube 7 emits light, and if the neon tube 7 does not emit light, the testing position is uncharged.

When neon 7 sent bright light, light emitted through the inside smooth mirror surface of metal sleeve 901 to and metal sleeve 901 both ends and insulating casing 1 avoid the structure, jet out from caulking groove 902, light passed the printing opacity piece 903 and the printing opacity cover 904 that possess high light transmissivity, because the colour of printing opacity cover 904 is red, strengthened the contrast, be convenient for watch the discernment, strengthened the practicality.

After the protective sleeve is used, the protective sleeve 4 covers the right side of the metal contact rod 5, then the protective sleeve 4 is moved, a rubber ring on the inner wall of the protective sleeve 4 can enter a ring groove on the outer wall of the insulating sleeve 2, the protective sleeve 4 and the insulating sleeve 2 are fixed, a contact head cover 11 covers a contact on the right side of the metal contact rod 5, the protection of the contact of the metal contact rod 5 is enhanced, in the process of moving the protective sleeve 4, a cleaning cotton ring 10 inside the protective sleeve 4 cleans and cleans the contact part of the metal contact rod 5, the outer wall of the metal contact rod 5 is prevented from being stained with impurities attached with dust or liquid drops, and the protection of the metal contact rod 5 is enhanced,

When the electrography landing of testing, because the cladding of lag 4 for metal feeler lever 5 can not with ground direct contact, the soft cover 402 of silica gel of plastics endotheca 401 outer wall possesses good deformability, play good deformability when meetting the collision, simultaneously because the inside metal tube circle 403 that runs through of plastics endotheca 401 and soft cover 402 of silica gel, promoted the local intensity of plastics endotheca 401 and soft cover 402 of silica gel, effectively reduce the damage of plastics endotheca 401 and soft cover 402 of silica gel, strengthen the practicality.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (6)

1. The utility model provides an electric power engineering construction is with examining electrography, includes insulating casing (1), metal feeler lever (5), step-down resistance (6) and neon tube (7), its characterized in that: the right side fixed mounting of insulating casing (1) has insulation support (2), inlay in the left side of insulating casing (1) has metal pen cap (3), lag (4) have been cup jointed on the right side of insulation support (2), the left side of metal feeler lever (5) is run through inside insulation support (2) inner chamber extends to insulation casing (1), step-down resistor (6) are installed on the inside right side of insulation casing (1), step-down resistor (6) one end and metal feeler lever (5) welded connection, the inside intermediate position department fixed mounting of insulation casing (1) has spotlight structure (9), the inside of spotlight structure (9) is provided with neon tube (7), the right side of neon tube (7) is connected with the left side of step-down resistor (6), install spring (8) between metal pen cap (3) right side and the left side of neon tube (7), the inner wall of the protective sleeve (4) is pasted with a cleaning cotton ring (10), and the right end in the protective sleeve (4) is pasted with a contact cover (11).

2. The electricity test pen for electric power engineering construction according to claim 1, characterized in that: the outer wall on the right side of the insulating sleeve (2) is provided with a circular groove, the inner wall of the protective sleeve (4) is pasted with a rubber circular ring, and the rubber circular ring and the circular groove form a clamping-in type embedded structure.

3. The electricity test pen for electric power engineering construction according to claim 1, characterized in that: the protective sleeve (4) comprises a plastic inner sleeve (401), a silica gel soft sleeve (402) and a metal pipe ring (403), the outer wall of the plastic inner sleeve (401) is wrapped with the silica gel soft sleeve (402), and the metal pipe ring (403) penetrates through the plastic inner sleeve (401) and the silica gel soft sleeve (402) in sequence.

4. The electricity test pen for electric power engineering construction according to claim 1, characterized in that: the light condensation structure (9) comprises a metal sleeve (901), an embedding groove (902), a light transmission piece (903) and a light transmission cover (904), wherein the embedding groove (902) is uniformly formed in the outer wall of the metal sleeve (901), and the light transmission cover (904) and the light transmission piece (903) are sequentially embedded in the embedding groove (902) from top to bottom.

5. The electricity test pen for electric power engineering construction according to claim 4, characterized in that: the caulking groove (902) are provided with 4, caulking groove (902) are the annular array and distribute, the colour of printing opacity cover (904) is big red.

6. The electricity test pen for electric power engineering construction according to claim 1, characterized in that: the shape of the inner cavity of the contact cover (11) is the same as that of the right-side contact of the metal contact rod (5).