Electroprobe with writing function

By incorporating a combination of a limiting rod, a plug rod, and a first spring into the test pen, the problem of the pen cap easily falling off is solved, achieving secure fixation and convenient disassembly of the pen tip, and protecting the pen tip from damage.

CN223526694UActive Publication Date: 2025-11-07QINGHAI ZONGKA TRIPITAKA GOLDEN BOOK CULTURAL IND CO LTD
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Patent Information

Application Number
CN202422935247.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-07
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The cap of the existing test pen is easily knocked off by impact while inside the tool bag, causing damage to the pen tip.

Method used

The design employs a limit rod, a plug rod, and a first spring. By pulling the pull block, the pull rod and the limit rod move, and the elasticity of the spring secures the pen cap to the pen body, preventing it from falling off.

Benefits of technology

It effectively prevents the pen cap from falling off when the pen is bumped inside the tool bag, protects the pen tip from damage, and makes removing the pen cap easier and faster.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223526694U_ABST
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Abstract

The utility model relates to the technical field of test pens, in particular to a test pen with a writing function, which comprises a test pen body and a pen cap, one end of the test pen body is provided with a placing groove and a slot, the inner wall of the placing groove is fixedly connected with a pen core, the inner wall of the slot is provided with a fixing groove, and one end of the fixing groove is provided with a through hole. Compared with the prior art, by arranging the limiting rod, the insertion rod and the first spring, when the test pen body needs to be covered with the pen cap, the pull block is pulled to enable the pull rod to drive the limiting rod to move and extrude the first spring, then the insertion rod is inserted, and at the moment, the pull block is loosened to enable the limiting rod to be connected with the limiting hole in an inserted mode under the action of the first spring; when the electroprobe is placed in the tool bag, the insertion rod and the pen cap can be limited, the problem that the pen cap falls off is effectively solved, when the electroprobe is placed in the tool bag, the pen cap cannot fall off even if the electroprobe is impacted by other tools, the pen cap is fixed more firmly, and the technical problem that a pen point is damaged is effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric pen technical field, concretely is an electric pen with writing function. BACKGROUND

[0002] Electric pen, also called test electric pen or measure electric pen, is an electrician's tool to test whether the electric wire is electrified. The pen body has neon bubble, if the neon bubble emits light, it shows that the wire is electrified or is live wire. The pen tip and tail of the electric pen are made of metal material, and the pen holder is made of insulating material. Low-voltage electric pen is suitable for detecting electrified body of 500V and below.

[0003] The prior art with publication number CN203157478U discloses a multifunctional electric pen, which comprises an electric pen body, an electric pen holder and a metal contact piece, the electric pen holder is fixed to one end of the electric pen body, the metal contact piece is arranged on the side wall of the electric pen body, the other end of the electric pen body is provided with a pen head, the electric pen body is provided with a pen core, the head of the pen core extends out of the pen head, the pen head is provided with a pen cap, and a pen clip is arranged on the side wall of the electric pen body.

[0004] Through the above setting, the electric pen disclosed by the prior art has the following advantages: the electric pen body is provided with the electric pen holder at one end, and the metal contact piece is arranged on the side wall of the electric pen body, so that the electric pen has the test function; the electric pen body is provided with the pen core, and the other end of the electric pen body is provided with the pen head, so that the head of the pen core extends out of the pen head, and the electric pen has the writing function; the pen head is provided with the pen cap, so that the pen core is protected; and the pen clip is arranged on the side wall of the electric pen body, so that the electric pen is convenient to carry.

[0005] The electric pen disclosed by the prior art needs to cover the pen cap on the electric pen body when not in use, so as to protect the pen head. However, the pen cap is not firmly fixed on the electric pen body, and when the electric pen is placed in the tool bag, the tools in the tool bag may hit the electric pen when the worker walks or runs, so that the pen cap is easily detached, the tools may hit the pen head, the pen head is easily damaged, and the use of the pen core is not convenient. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an electric pen with writing function, which mainly solves the technical problem that the pen cap is easily detached due to being hit by tools in the tool bag in the prior art.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A kind of electric pen with writing function, including electric pen body and pen cap, the one end of electric pen body is equipped with placing groove and insertion slot, the inner wall of placing groove is fixedly connected with pen core, the inner wall of insertion slot is equipped with fixed slot, the one end of fixed slot is equipped with perforation, the inner wall of perforation is slidably connected with pull rod, the outer wall of pull rod is equipped with first spring in the inside of fixed slot, the one end of first spring is fixedly connected with fixed slot, the other end of first spring is fixedly connected with limiting rod, the one end of limiting rod is fixedly connected with the one end of pull rod, limiting rod is slidably connected on the inner wall of fixed slot, the one end of pen cap is fixedly connected with insertion rod, insertion rod is inserted with insertion slot, and the side of insertion rod is equipped with limiting hole, limiting hole corresponds with fixed slot, limiting rod is inserted with limiting hole.

[0009] The working principle and beneficial effects of the utility model are as follows:

[0010] 1. Working principle: when the pen cap needs to be covered on the electric pen body, first pull the pull block, so that the pull block drives the pull rod to move, the pull rod drives the limiting rod to move, and the limiting rod compresses the first spring, when the limiting rod is put into the inside of fixed slot, the pen cap is taken out, so that the insertion rod on the pen cap is inserted into the inside of insertion slot, then the pull block is released, the limiting rod is inserted into the inside of limiting hole under the action of first spring, the insertion rod and pen cap are limited, when the pen cap needs to be disassembled, pull the pull block, so that the limiting rod is separated from limiting hole, then the pen cap is popped out a small distance under the action of second spring, then the pen cap can be taken off, and the operation is completed.

[0011] 2. Beneficial effects:

[0012] The prior art has the technical problems of testing function, writing function, protecting function of the pen core, and convenient carrying by setting the one end of the electric pen body with an electric pen rod, the side wall of the electric pen body with a metal contact, the inside of the electric pen body with a pen core, the other end of the electric pen body with a pen head, the head of the pen core extending out of the pen head, the upper part of the pen head with a pen cap, the side wall of the electric pen body with a pen clip, but the pen cap is not fixed firmly on the electric pen body, the pen cap is easily detached when the electric pen is placed in a tool bag and other tools in the tool bag hit the electric pen, the pen head is easily damaged, the pen core is not used, the technical problems of the pen cap falling off are effectively solved by setting the limiting rod, the inserting rod and the first spring, the electric pen is not hit by other tools when the electric pen is placed in the tool bag, the pen cap is fixed more firmly, and the technical problem of the pen head being damaged is effectively avoided.

[0013] Preferably, the one end of the electric pen body is provided with a sliding groove, the inner wall of the sliding groove is fixedly connected with a second spring, one end of the second spring is fixedly connected with a sliding disc, the sliding disc is slidingly connected with the inner wall of the sliding groove, one end of the pen cap is fixedly connected with a sliding rod, the sliding rod is slidingly connected with the sliding groove, and the sliding rod abuts against the sliding disc. By setting the second spring and the sliding groove, when the pen cap is detached, the limiting rod is separated from the limiting hole, the second spring is compressed and the sliding disc is popped out, the sliding rod is also popped out, the pen cap is popped out by a small distance, and then the pen cap is removed, which is more convenient and fast when the pen cap is detached.

[0014] Preferably, the one end of the electric pen body is provided with a threaded groove, the inner wall of the threaded groove is threadedly connected with a threaded cap, the pen head of the pen core penetrates through the threaded cap, and the pen core is fixedly connected in the inside of the placing groove through the threaded cap. By setting the threaded groove and the threaded cap, the pen core can be fixed to prevent the pen core from falling off, and the pen core can be replaced after the ink in the pen core is used up.

[0015] Preferably, the inner wall of the pen cap is fixedly connected with a protective sleeve for protecting the pen head, and the protective sleeve is made of silica gel. By setting the protective sleeve, the pen head on the pen core can be protected, the ink in the pen core can be prevented from flowing out of the pen head, and the pen head is prevented from being knocked.

[0016] Preferably, the pull rod passes through the through hole and extends out of one end of the electric pen body and is fixed with a pull block, and the outer wall of the pull block is fixed with an anti-skid pad. The copper drum is provided with the pull block, so that the pull rod can be pulled more conveniently, and the anti-skid pad can prevent the fingers from slipping with the pull block.

[0017] Preferably, the outer wall of the pen cap is provided with anti-skid lines. The friction between the fingers and the pen cap is increased, and slipping is prevented.

[0018] Preferably, the other end of the pen cap is fixed with a hanging ring. When the electric pen is not used, the electric pen can be hung up, thereby saving space. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure diagram of the utility model patent;

[0020] Figure 2 It is a sectional structure diagram of the utility model patent;

[0021] Figure 3 It is an explosion structure diagram of the utility model patent;

[0022] Figure 4 It is a structure diagram of the utility model patent Figure 2 at A;

[0023] Figure 5 It is a structure diagram of the utility model patent Figure 2 at B.

[0024] The reference signs in the drawings of the specification include: 1, electric pen body; 2, pen cap; 3, placing groove; 4, insertion groove; 5, pen core; 6, fixing groove; 7, through hole; 8, pull rod; 9, first spring; 10, limiting rod; 11, insertion rod; 12, limiting hole; 13, sliding groove; 14, second spring; 15, sliding disc; 16, sliding rod; 17, threaded groove; 18, threaded cap; 19, protective sleeve; 20, pull block; 21, hanging ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] As Figures 1-5As shown, an electric pen with writing function, including electric pen body 1 and pen cap 2, the inner wall of pen cap 2 is fixedly connected with protective sleeve 19 for protecting the pen tip, the protective sleeve 19 adopts silica gel material, the other end of pen cap 2 is fixedly connected with hanging ring 21, one end of electric pen body 1 is provided with placing groove 3 and insertion slot 4, the inner wall of placing groove 3 is fixedly connected with pen core 5, one end of electric pen body 1 is provided with threaded groove 17, the inner wall of threaded groove 17 is threadedly connected with threaded cap 18, the pen tip of pen core 5 passes through threaded cap 18, and pen core 5 is fixedly connected in the inside of placing groove 3 through threaded cap 18, the inner wall of insertion slot 4 is provided with fixing groove 6, one end of fixing groove 6 is provided with perforation 7, the inner wall of perforation 7 is slidably connected with pull rod 8, pull rod 8 passes through perforation 7 and extends out of one end of electric pen body 1 and is fixedly connected with pull block 20, the outer wall of pull block 20 is fixedly connected with antiskid pad, the outer wall of pull rod 8 is sleeved with first spring 9 in the inside of fixing groove 6, one end of first spring 9 is fixedly connected with fixing groove 6, the other end of first spring 9 is fixedly connected with limiting rod 10, one end of limiting rod 10 is fixedly connected with one end of pull rod 8, limiting rod 10 is slidably connected with the inner wall of fixing groove 6, one end of pen cap 2 is fixedly connected with insertion rod 11, insertion rod 11 is inserted with insertion slot 4, and one side of insertion rod 11 is provided with limiting hole 12, limiting hole 12 corresponds with fixing groove 6, limiting rod 10 is inserted with limiting hole 12, one end of electric pen body 1 is provided with sliding groove 13, the inner wall of sliding groove 13 is fixedly connected with second spring 14, one end of second spring 14 is fixedly connected with sliding disc 15, sliding disc 15 is slidably connected with the inner wall of sliding groove 13, one end of pen cap 2 is fixedly connected with sliding rod 16, sliding rod 16 is slidably connected with sliding groove 13, and sliding rod 16 abuts against sliding disc 15.

[0027] From the above, the specific implementation manner of the utility model is as follows:

[0028] When the pen cap 2 needs to be covered on the electric pen body 1, first pull the pull block 20, so that the pull block 20 drives the pull rod 8 to move, the pull rod 8 drives the limiting rod 10 to move, and the limiting rod 10 compresses the first spring 9, when the limiting rod 10 is received into the inside of the fixing groove 6, the pen cap 2 is taken out, the insertion rod 11 on the pen cap 2 is inserted into the inside of the insertion slot 4, at the same time, the sliding rod 16 on the pen cap 2 abuts against the sliding disc 15, the sliding rod 16 is inserted into the inside of the sliding groove 13 and presses the second spring 14, then the pull block 20 is loosened, the limiting rod 10 is inserted into the inside of the limiting hole 12 under the action of the first spring 9, the insertion rod 11 and the pen cap 2 are limited, when the pen cap 2 needs to be disassembled, the pull block 20 is pulled, so that the limiting rod 10 is separated from the limiting hole 12, at this time, the sliding disc 15 drives the sliding rod 16 to move under the action of the second spring 14, the sliding rod 16, the insertion rod 11 and the pen cap 2 are pushed out for a small distance, then the pen cap 2 can be taken off, the operation is completed.

[0029] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much here. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An electric pen with writing function, comprising an electric pen body (1) and a pen cap (2), characterized in that, One end of the electric pen body (1) is provided with a placing groove (3) and a plug groove (4), the inner wall of the placing groove (3) is fixedly connected with a pen core (5), the inner wall of the plug groove (4) is provided with a fixed groove (6), one end of the fixed groove (6) is provided with a through hole (7), the inner wall of the through hole (7) is slidably connected with a pull rod (8), the outer wall of the pull rod (8) is sleeved with a first spring (9) in the fixed groove (6), one end of the first spring (9) is fixedly connected with the fixed groove (6), the other end of the first spring (9) is fixedly connected with a limiting rod (10), one end of the limiting rod (10) is fixedly connected with one end of the pull rod (8), the limiting rod (10) is slidably connected with the inner wall of the fixed groove (6), one end of the pen cap (2) is fixedly connected with a plug rod (11), the plug rod (11) is inserted with the plug groove (4), and one side of the plug rod (11) is provided with a limiting hole (12), the limiting hole (12) corresponds to the fixed groove (6), the limiting rod (10) is inserted with the limiting hole (12).

2. The electric pen with writing function according to claim 1, characterized in that: One end of the electric pen body (1) is provided with a sliding groove (13), the inner wall of the sliding groove (13) is fixedly connected with a second spring (14), one end of the second spring (14) is fixedly connected with a sliding disc (15), the sliding disc (15) is slidably connected with the inner wall of the sliding groove (13), one end of the pen cap (2) is fixedly connected with a sliding rod (16), the sliding rod (16) is slidably connected with the sliding groove (13), and the sliding rod (16) abuts against the sliding disc (15).

3. The electric pen with writing function according to claim 1, characterized in that: One end of the electric pen body (1) is provided with a threaded groove (17), the inner wall of the threaded groove (17) is threadedly connected with a threaded cap (18), the pen head of the pen core (5) passes through the threaded cap (18), and the pen core (5) is fixedly connected in the placing groove (3) through the threaded cap (18).

4. The electric pen with writing function according to claim 1, characterized in that: The inner wall of the pen cap (2) is fixedly connected with a protective sleeve (19) for protecting the pen head, and the protective sleeve (19) is made of silica gel material.

5. The electric pen with writing function according to claim 1, characterized in that: The pull rod (8) passes through the through hole (7) and extends out of one end of the electric pen body (1) and is fixedly connected with a pull block (20), and the outer wall of the pull block (20) is fixedly connected with a non-slip pad.

6. The electric pen with writing function according to claim 1, characterized in that: The outer wall of the pen cap (2) is provided with anti-skid lines.

7. The electric pen with writing function according to claim 1, characterized in that: The other end of the pen cap (2) is fixedly connected with a hanging ring (21).

Citation Information

Patent Citations

  • Multifunctional test pen

    CN203157478U