CN214669290U

CN214669290U - Length-adjustable telescopic test pencil

Info

Publication number: CN214669290U
Application number: CN202120936459.8U
Authority: CN
Inventors: 陈自建; 冯汉杰; 霍志东; 何嘉尧; 黄丽仪
Original assignee: Guangdong Aoneng Hardware Tools Co ltd
Current assignee: Guangdong Aoneng Hardware Tools Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-09
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a flexible electrography of testing of adjustable length, including the protective housing, circular hollow tube is installed to the protective housing downside, installs resistance, neon tube and spring one in the protective housing, has seted up the inspection hole on the protective housing, and the metal end cover is installed to the protective housing upside, and the becket is installed to circular hollow tube inner wall lower extreme, and spring two is installed to the becket upside, is provided with telescopic cutter body probe mechanism in the circular hollow tube, and the becket upper end is provided with rotary mechanism, and cutter body probe mechanism includes the metal thread axle, and the circle piece is installed to metal thread axle upside. The utility model discloses a protective housing and cutter body probe mechanism's cooperation is used, and the user can extend the length of whole cutter body probe mechanism to go deep into the position of dark exploration mouth, improved the practicality of device, spring two connect the becket and the circle piece one simultaneously, increased the compactness between connecting, guarantee the long-time normal use of testing the electrography.

Description

Length-adjustable telescopic test pencil

Technical Field

The application relates to the technical field of test pencil equipment, especially relates to a flexible test pencil of adjustable length.

Background

The test pencil is also called a test pencil, which is called a test pencil for short. The testing tool is an electrician tool and is used for testing whether the electric wire is electrified or not. The pen body is provided with a neon bulb, and if the neon bulb shines during testing, the neon bulb indicates that the lead is electrified or is a fire wire of a passage. The pen point and the pen tail of the test pencil are made of metal materials, and the pen holder is made of insulating materials. When the test pencil is used, a user must touch the metal part at the tail end of the test pencil by hands, otherwise, because a charged body, the test pencil, a human body and the ground do not form a loop, neon bulbs in the test pencil cannot emit light to cause misjudgment, and the charged body is considered to be uncharged.

As disclosed in the chinese patent: a telescopic test pencil, patent number: CN209086315U, after stretching through multisection cavity insulator spindle in the contrast file, two adjacent cavity insulator spindles pass through screw thread spiro union thread groove fixed, when needs shrink, can dismantle the multisection cavity insulator spindle that the spiro union is fixed through the reversal, and retrieve fast, the equipment is nimble to be used reliably, work efficiency has been improved, but when the test pencil lengthens for a long time, during rotatory use, long-time friction between two cavity insulator spindles, wearing and tearing can produce the space, the connection compactness between two cavity insulator spindles reduces, can produce contact failure when serious, influence the accuracy that detects.

Disclosure of Invention

An object of the utility model is to provide a flexible electrography of testing of adjustable length to solve the problem that proposes in the above-mentioned background art.

The embodiment of the application adopts the following technical scheme:

a telescopic electroscope with adjustable length comprises a protective shell, a round hollow tube is arranged at the lower side of the protective shell, the protection shell is internally provided with a resistor, a neon tube and a first spring, the protection shell is provided with an observation hole, a metal end cover is arranged on the upper side of the protective shell, a metal ring is arranged at the lower end of the inner wall of the round hollow pipe, a second spring is arranged on the upper side of the metal ring, a telescopic cutter body probe mechanism is arranged in the circular hollow pipe, the upper end of the metal ring is provided with a rotating mechanism, the cutter body probe mechanism comprises a metal threaded shaft, a round block I is arranged on the upper side of the metal threaded shaft, a straight tool bit is arranged on the lower side of the metal threaded shaft, the metal threaded shaft is arranged on the circular hollow pipe through a metal ring, the first round block is arranged on the upper side of the second spring, the structural shape of circular through-hole piece is oval, the rubber sleeve upside is installed at circular through-hole piece downside.

Preferably, rotary mechanism includes bearing and circular through-hole piece, bearing circumference side-mounting has two rectangular blocks, two circular through-hole has all been seted up to one side that the bearing was kept away from to the rectangular block, the rubber sleeve is installed to metal screw thread axle upside, the bearing is installed at metal end cover upside, metal round block is installed to circular through-hole piece inner wall, the metal wire is installed to metal round block downside, the metal round block passes through the metal wire and installs on the metal end cover, circular through-hole piece circumference side-mounting has two stock, two the arc piece, two are all installed to the stock downside the arc piece is two round block two is all installed to the face that the arc piece is relative, the arc piece passes through round block two with the rectangular block and rotates with circular through-hole to be connected.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

firstly, a user takes out the mechanism, a straight cutter head is inserted into a port to be detected at the moment, when the user needs to extend a detecting head consisting of a circular hollow tube and a metal threaded shaft, the protective shell is rotated at the moment, the straight cutter head is clamped in the detecting port, when the protective shell is rotated, the protective shell drives a metal ring to rotate on the circumferential side surface of the metal threaded shaft, the metal threaded shaft is extended or shortened at the moment, a spring is in a tightening state, the output of the force of the user can be reduced, meanwhile, a round block I is made of non-conducting materials, when the detecting port is electrified, the straight cutter head is transmitted to the metal threaded shaft and then transmitted to the metal ring and the circular hollow tube, a loop is formed by leading a metal end cover into the ground through the body of the user, at the moment, the user can observe that the neon tube is not lightened through a hole to judge, and the length of the whole cutter body probe mechanism can be extended through the matching use of the protective shell and the cutter body probe mechanism, thereby go deep into the position of darker detection mouth, improved the practicality of device, spring two connection becket and circle piece one have increased the compactness between connecting simultaneously, guarantee the long-time normal use of test pencil.

Secondly, a user can press the front end of the cutter body probe mechanism against the wall surface and then press the round through hole block forcibly, as the straight cutter head on the protective shell is pressed against the wall, when the round through hole block is pressed at the tail end, the round through hole block drives the long rod and the round block II to rotate in the round through hole, at the moment, the included angle between the rotary mechanism and the protective shell is changed, the position of the straight cutter head relative to the rotary mechanism is changed, when the user needs to detect a deeper detection port at the corner, the user can deeply insert the straight cutter head into the detection port to detect by adjusting the included angle formed by the long rod and the rectangular block, the practicability is increased, meanwhile, the bearing can drive the round through hole block at the upper end to rotate by three hundred and sixty degrees, the user is helped to better detect, the metal wire and the metal round block prolong the contact of the metal end cover, and the user can touch the metal end cover through the metal round block, the practicability and the use safety of the test pencil are improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the front structure of a telescopic test pencil with adjustable length of the utility model;

FIG. 2 is a schematic view of a partially expanded structure of a telescopic test pencil with adjustable length of the present invention;

fig. 3 is a schematic view of an expansion structure of the cutter body probe mechanism of the present invention;

fig. 4 is a schematic view of the unfolding structure of the rotating mechanism of the present invention;

fig. 5 is a schematic view of the upper and lower connection structure of the metal wire of the present invention.

In the figure: 101. a protective shell; 102. a circular hollow tube; 103. a resistance; 104. a neon tube; 105. a first spring; 106. an observation hole; 107. a metal end cap; 108. a metal ring; 109. a second spring; 2. a cutter body probe mechanism; 201. a metal threaded shaft; 202. a first round block; 203. a straight cutter head; 3. a rotation mechanism; 301. a bearing; 302. a rectangular block; 303. a circular through hole; 304. a rubber sleeve; 305. a circular through-hole block; 306. a metal round block; 307. a metal wire; 308. a long rod; 309. an arc block; 310. and (7) round block two.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

In a first embodiment, please refer to fig. 1, fig. 2 and fig. 3, a length-adjustable telescopic electrography pen includes a protective casing 101, a circular hollow tube 102 is installed at a lower side of the protective casing 101, a resistor 103, a neon tube 104 and a first spring 105 are installed in the protective casing 101, an observation hole 106 is formed in the protective casing 101, a metal end cover 107 is installed at an upper side of the protective casing 101, a metal ring 108 is installed at a lower end of an inner wall of the circular hollow tube 102, a second spring 109 is installed at an upper side of the metal ring 108, a telescopic cutter body probe mechanism 2 is arranged in the circular hollow tube 102, the cutter body probe mechanism 2 includes a metal threaded shaft 201, a first round block 202 is installed at an upper side of the metal threaded shaft 201, a straight cutter head 203 is installed at a lower side of the metal threaded shaft 201, the metal threaded shaft 201 is installed on the circular hollow tube 102 through the metal ring 108, and the first round block 202 is installed at an upper side of the second spring 109.

When the neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube light tube neon tube, the user can extend the length of whole cutter body probe mechanism 2 to go deep into the position of darker detection mouth, improved the practicality of device, spring two 109 connection becket 108 and round piece 202 have increased the compactness between connecting simultaneously, guarantee the long-time normal use of test pencil.

In the second embodiment, referring to fig. 1, 4 and 5, on the basis of the first embodiment, the upper end of the metal ring 108 is provided with the rotating mechanism 3, the rotating mechanism 3 includes a bearing 301 and a circular through hole block 305, two rectangular blocks 302 are installed on the circumferential side surface of the bearing 301, circular through holes 303 are respectively formed on one sides of the two rectangular blocks 302 away from the bearing 301, a rubber sleeve 304 is installed on the upper side of the metal threaded shaft 201, the bearing 301 is installed on the upper side of the metal end cover 107, a metal round block 306 is installed on the inner wall of the circular through hole block 305, a metal wire 307 is installed on the lower side of the metal round block 306, the metal round block 306 is installed on the metal end cover 107 through the metal wire 307, two long rods 308 are installed on the circumferential side surface of the circular through hole block 305, arc blocks 309 are installed on the lower side of the two long rods 308, a circular block two 310 is installed on the opposite surfaces of the two arc blocks 309, the arc blocks 309 and the rectangular blocks 302 are rotatably connected through the circular through holes 303, the circular through-hole block 305 has an elliptical structural shape, and the upper side of the rubber sleeve 304 is mounted on the lower side of the circular through-hole block 305.

When the tool is used, a user can enable the front end of the cutter body probe mechanism 2 to abut against a wall surface, then press the circular through hole block 305 with force, as the linear tool bit 203 on the protective shell 101 abuts against the wall surface, when the tool is used for pressing the circular through hole block 305 at the tail end, the circular through hole block 305 drives the long rod 308 and the circular block two 310 to rotate in the circular through hole 303, at the moment, the included angle between the rotary mechanism 3 and the protective shell 101 changes, the position of the linear tool bit 203 relative to the rotary mechanism 3 changes, when the user needs to detect a deeper detection port at a corner, the user can detect the linear tool bit 203 deeply into the detection port by adjusting the included angle formed by the long rod 308 and the rectangular block 302, the practicability is increased, meanwhile, the bearing 301 can drive the circular through hole block 305 at the upper end to rotate by three hundred and sixty degrees, the user is helped to better detect, the metal wire 307 and the metal circular block 306 prolong the contact of the metal end cover 107, the user can touch the metal end cover 107 through the metal round block 306, and the practicability and the use safety of the test pencil are improved.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a flexible electrography of testing of adjustable length, includes protective housing (101), circular hollow tube (102) are installed to protective housing (101) downside, install resistance (103), neon tube (104) and spring (105) in protective housing (101), observation hole (106) have been seted up on protective housing (101), its characterized in that: a metal end cover (107) is installed on the upper side of the protective shell (101), a metal ring (108) is installed at the lower end of the inner wall of the circular hollow tube (102), and a second spring (109) is installed on the upper side of the metal ring (108);

a telescopic cutter body probe mechanism (2) is arranged in the circular hollow pipe (102);

and a rotating mechanism (3) is arranged at the upper end of the metal ring (108).

2. The telescopic electroscope pen with adjustable length of claim 1, wherein: the cutter body probe mechanism (2) comprises a metal threaded shaft (201), a first round block (202) is installed on the upper side of the metal threaded shaft (201), a straight cutter head (203) is installed on the lower side of the metal threaded shaft (201), the metal threaded shaft (201) is installed on a circular hollow pipe (102) through a metal ring (108), and the first round block (202) is installed on the upper side of a second spring (109).

3. The telescopic electroscope of adjustable length of claim 2, wherein: rotary mechanism (3) include bearing (301) and circular through-hole piece (305), bearing (301) circumference side-mounting has two rectangular blocks (302), two circular through-hole (303) have all been seted up to one side that bearing (301) were kept away from in rectangular block (302), rubber sleeve (304) are installed to metal thread axle (201) upside, metal end cover (107) upside is installed in bearing (301).

4. The telescopic electroscope of adjustable length of claim 3, wherein: circular through-hole piece (305) inner wall is installed metal circle piece (306), metal wire (307) are installed to metal circle piece (306) downside, metal circle piece (306) are installed on metal end cover (107) through metal wire (307).

5. The telescopic electroscope of adjustable length of claim 4, wherein: circular through-hole piece (305) circumference side-mounting has two stock (308), two arc piece (309), two are all installed to stock (308) downside the round piece two (310) are all installed to the face that arc piece (309) is relative, arc piece (309) are connected with rectangle piece (302) through round piece two (310) and circular through-hole (303) rotation.

6. The telescopic electroscope of adjustable length of claim 3, wherein: the circular through hole block (305) is elliptical in structural shape.

7. The telescopic electroscope of adjustable length of claim 3, wherein: the upper side of the rubber sleeve (304) is arranged at the lower side of the circular through hole block (305).