CN220709249U - Electric pencil capable of extending probe structure - Google Patents

Abstract

The utility model discloses a pencil with an extensible probe structure, which comprises a pencil shell, wherein a pencil head is arranged at the front end of the pencil shell, a metal spring and a resistor are arranged in the pencil shell, a hand touch electrode is further arranged at the tail end of the pencil shell, and the pencil head is detachably and fixedly connected with the pencil shell, and is characterized in that: the pen is characterized in that a metal pipe is arranged in the middle of the pen point, the metal pipe is fixedly connected with the pen point, a plurality of limiting clamping holes are formed in the metal pipe, and a touch rod is slidably arranged in the metal pipe. According to the utility model, the electric pen shell and the pen point are arranged into the detachable structure, so that flexible operation can be realized when the length needs to be adjusted, meanwhile, the electric contact rod is convenient to adjust and use by sliding fit between the metal tube and the electric contact rod, and the metal tube and the electric contact rod are mutually clamped by the push-type ball head sliding rod structure.

Description

Electric pencil capable of extending probe structure

Technical Field

The utility model relates to the technical field of electrography, in particular to an electrography with an extensible probe structure.

Background

At present, the coal consumption of all countries in the world is still very wide, the working environment under the mine is severe and is full of various inflammable and explosive gases, and various electrical equipment is needed for production under the mine, so that the periodic detection and maintenance of the coal mine is an important link for ensuring the safe production, and the electrography is a necessary tool for the electrical detection and maintenance.

Aiming at the related technology, the inventor finds that the existing electric pen probes are directly and fixedly arranged at the head of the electric pen shell, but electric pens with different lengths are often needed in the electric detection and maintenance process of a coal mine, for example, hands cannot extend in sometimes or hands cannot extend in sometimes for safety reasons, longer electric pens are needed, and when the inner side surface of the electric box is detected, too long electric pens are not flexible to use, so that the electric pens with various specifications are needed to be carried in each maintenance, and the electric pen is inconvenient to use.

Disclosure of Invention

The application provides a test pencil capable of prolonging a probe structure, which is used for solving the problem in the background technology.

The utility model is realized in the following way:

the utility model provides a but extension probe structure's electrography, includes the electrography shell, the nib is installed to the front end of electrography shell, and installs metal spring and resistance in the electrography shell, the end of electrography shell still is provided with the hand and touches the utmost point, fixed connection, its characterized in that can be dismantled to nib and electrography shell: the middle part of the pen point is provided with a metal pipe which is fixedly connected with the pen point, a plurality of limiting clamping holes are arranged on the metal pipe, a touch electric pole is arranged in the metal pipe in a sliding way, the tail end of the electric contact rod is provided with a limit clamping block matched with the limit clamping hole along the radial direction, the limit clamping block is in sliding connection with the electric contact rod, and a supporting spring is further arranged between the limit clamping block and the electric contact rod.

Further, the pencil shell comprises an insulating shell and an internal thread sleeve, wherein the internal thread sleeve is arranged at the head of the insulating shell, and the internal thread sleeve and the insulating shell are integrally formed.

Further, the pen point comprises an insulating head and an external thread sleeve matched with the internal thread sleeve, wherein the external thread sleeve is arranged at the tail end of the insulating head, and the external thread sleeve and the insulating head are integrally formed.

Further, a step block for installing a metal spring is arranged at the tail end of the metal tube, and the step block and the metal tube are integrally formed.

Further, the electric shock rod comprises a main rod body and a matching head, wherein the matching head is arranged at the head of the main rod body, and the matching head and the main rod body are integrally formed.

Furthermore, the tail end of the main rod body is provided with a mounting groove for the limit clamping block and the supporting spring, and the outer side surface of the main rod body is provided with a guide groove communicated with the mounting groove.

Further, the limiting clamping block comprises a base and a ball head sliding rod, the ball head sliding rod is vertically fixed at the center of the upper end face of the base, and the ball head sliding rod is slidably arranged in the guide groove.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the pencil shell and the pencil point are arranged into the detachable structure, so that flexible operation can be realized when the length needs to be adjusted, meanwhile, the touch rod is convenient to adjust and use by sliding fit between the metal tube and the touch rod, and the metal tube and the touch rod are mutually clamped by the push-type ball-head sliding rod structure, so that the earphone operation is easy, and the stability in the use process is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a perspective view of an electrical pen housing according to an embodiment of the utility model;

FIG. 3 is a perspective view of a nib and a metal tube according to an embodiment of the present utility model;

fig. 4 is a perspective view of the contact rod and the limit clamping block matched with each other according to the embodiment of the utility model;

fig. 5 is a right side view of the device of fig. 4.

In the figure: 1. an electric pencil shell; 10. a hand touch electrode; 11. an insulating housing; 12. an internal thread sleeve; 2. a pen point; 21. an insulating head; 22. an external thread sleeve; 3. a metal tube; 30. limiting clamping holes; 31. a step block; 4. a touch pole; 41. a main rod body; 411. a mounting groove; 412. a guide groove; 42. a fitting head; 5. a limit clamping block; 50. a support spring; 51. a base; 52. a ball head slide bar.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, 2 and 3, a pencil with an extendable probe structure comprises a pencil shell 1, a pen head 2 is installed at the front end of the pencil shell 1, a metal spring and a resistor are installed in the pencil shell 1, a hand contact electrode 10 is further arranged at the tail end of the pencil shell 1, the pen head 2 is detachably and fixedly connected with the pencil shell 1, the pencil shell 1 comprises an insulation shell 11 and an internal thread sleeve 12, the internal thread sleeve 12 is arranged at the head of the insulation shell 11, and the internal thread sleeve 12 and the insulation shell 11 are integrally formed. Through the structure setting to the electrography shell 1 guarantee that insulating housing 11 can cooperate with the external screw thread cover 22 on the nib 2 through internal screw thread cover 12 and be connected, make things convenient for can mutually fixed between electrography shell 1 and the nib 2, also can dismantle in a flexible way. The pen point 2 comprises an insulating head 21 and an external thread sleeve 22 matched with the internal thread sleeve 12, wherein the external thread sleeve 22 is arranged at the tail end of the insulating head 21, and the external thread sleeve 22 and the insulating head 21 are integrally formed. Through the structure setting to nib 2, guarantee that insulating head 21 carries out the cooperation through external screw thread cover 22 and is connected fixedly with electric pencil shell 1, carries out fixed mounting tubular metal resonator 3 simultaneously through insulating head 21.

Referring to fig. 3, a metal tube 3 is mounted in the middle of the pen head 2, the metal tube 3 is fixedly connected with the pen head 2, a plurality of limiting clamping holes 30 are formed in the metal tube 3, a step block 31 for mounting a metal spring is mounted at the tail end of the metal tube 3, and the step block 31 and the metal tube 3 are integrally formed. Through setting up step piece 31 on tubular metal resonator 3, conveniently come better to the metal spring cooperation through step piece 31 and connect, step piece 31 also adopts the metallic material that can electrically conduct to make simultaneously.

Referring to fig. 4, a contact rod 4 is slidably mounted in the metal tube 3, the contact rod 4 is also of a conductive metal structure, the contact rod 4 includes a main rod body 41 and a fitting head 42, the fitting head 42 is mounted on the head of the main rod body 41, and the fitting head 42 and the main rod body 41 are integrally formed. The main rod body 41 can be ensured to be contacted with an external circuit for detection through the matching head 42 by arranging the structure of the electric shock rod 4, and meanwhile, the electric shock rod 4 can realize the purpose of changing the use length by sliding the main rod body 41 in the metal tube 3. The end of the main rod body 41 is provided with a mounting slot 411 for the limit clamping block 5 and the supporting spring 50 to be mounted, and the outer side surface of the main rod body 41 is provided with a guide slot 412 communicated with the mounting slot 411. The support spring 50 and the limit clamping block 5 are conveniently installed through the arrangement of the mounting groove 411 and the guide groove 412, one end of the support spring 50 is fixed in the mounting groove 411, the other end of the support spring is fixedly connected with the limit clamping block 5, and the head of the limit clamping block 5 can extend into the outer part of the main rod body 41 from the mounting groove 411 through the guide groove 412.

Referring to fig. 5, a limit clamping block 5 matched with the limit clamping hole 30 is arranged at the tail end of the electric shock rod 4 along the radial direction, the limit clamping block 5 is in sliding connection with the electric shock rod 4, and a supporting spring 50 is further arranged between the limit clamping block 5 and the electric shock rod 4. The limit clamping block 5 comprises a base 51 and a ball-head sliding rod 52, the ball-head sliding rod 52 is vertically fixed at the center of the upper end face of the base 51, and the ball-head sliding rod 52 is slidably arranged in the guide groove 412. The ball slide rod 52 is fixedly installed through the base 51 by arranging the limiting clamping blocks 5, and the ball slide rod 52 can be supported to the outside from the guide groove 412 after the base 51 is fixedly installed on the supporting spring 50.

When in use, operators can adjust the length of the contact rod 4 extending from the metal tube 3 according to the actual use environment and the use requirement, firstly, the electric pen shell 1 and the pen point 2 are detached from each other when in need of adjustment, then the ball-head slide rod 52 is pressed, so that the main rod body 41 can be ensured to be slidably adjusted in the metal tube 3, the length of the contact rod 4 extending from the metal tube 3 is changed by changing the position of the ball-head slide rod 52 in different limiting clamping holes 30, thus the integral length of the electric pen can be adjusted to meet different use requirements, and finally the electric pen shell 1 and the pen point 2 are mutually fixed for normal use.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a can prolong electrography of probe structure, includes electrography shell (1), nib (2) are installed to the front end of electrography shell (1), and install metal spring and resistance in electrography shell (1), the end of electrography shell (1) still is provided with hand touch electrode (10), fixed connection, its characterized in that can be dismantled to nib (2) and electrography shell (1): the novel electric shock pen is characterized in that a metal pipe (3) is arranged in the middle of the pen point (2), the metal pipe (3) is fixedly connected with the pen point (2), a plurality of limiting clamping holes (30) are formed in the metal pipe (3), a touch electric rod (4) is slidably arranged in the metal pipe (3), a limiting clamping block (5) matched with the limiting clamping holes (30) is arranged at the tail end of the touch electric rod (4) along the radial direction, the limiting clamping block (5) is slidably connected with the electric shock rod (4), and a supporting spring (50) is further arranged between the limiting clamping block (5) and the electric shock rod (4).

2. The electroprobe with the extensible probe structure according to claim 1, wherein the electroprobe shell (1) comprises an insulating shell (11) and an internal thread sleeve (12), the internal thread sleeve (12) is arranged at the head of the insulating shell (11), and the internal thread sleeve (12) and the insulating shell (11) are integrally formed.

3. The pencil with the extendable probe structure according to claim 2, wherein the pencil head (2) comprises an insulation head (21) and an external thread sleeve (22) matched with the internal thread sleeve (12), the external thread sleeve (22) is arranged at the tail end of the insulation head (21), and the external thread sleeve (22) and the insulation head (21) are integrally formed.

4. A pen with an extendable probe structure according to claim 3, characterized in that the end of the metal tube (3) is provided with a step block (31) for mounting a metal spring, the step block (31) being integrally formed with the metal tube (3).

5. The electroprobe with the extendable probe structure according to claim 4, wherein the electric shock rod (4) comprises a main rod body (41) and a matching head (42), the matching head (42) is arranged at the head part of the main rod body (41), and the matching head (42) and the main rod body (41) are integrally formed.

6. The electroprobe with the structure capable of being prolonged according to claim 5, characterized in that a mounting groove (411) is arranged at the tail end of the main rod body (41) for mounting the limit clamping block (5) and the supporting spring (50), and a guide groove (412) communicated with the mounting groove (411) is arranged on the outer side surface of the main rod body (41).

7. The electroprobe with the extendable probe structure according to claim 6, wherein the limit fixture block (5) comprises a base (51) and a ball-head slide rod (52), the ball-head slide rod (52) is vertically fixed at the center of the upper end surface of the base (51), and the ball-head slide rod (52) is slidably mounted in the guide groove (412).