CN220490921U

CN220490921U - Novel extensible electrography instrument

Info

Publication number: CN220490921U
Application number: CN202322065209.3U
Authority: CN
Inventors: 綦宝龙; 窦志; 高睿; 马超
Original assignee: Harbin Navigation Affairs Center Of Heilongjiang Province
Current assignee: Harbin Navigation Affairs Center Of Heilongjiang Province
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-13
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field of electric pens, in particular to a novel extensible electric pen tool, which comprises an insulating shell, wherein a spring seat, a first spring, a neon tube and a resistor are sequentially arranged in the insulating shell from top to bottom, a metal ring rod and a contact are respectively fixedly connected to the top and the bottom of the insulating shell, a probe is slidably connected to the inside of the metal ring rod, a connecting pipe is fixedly connected to the top of the probe, a connecting rod is slidably connected to the inside of the connecting pipe, a clamping block structure is arranged at one end of the connecting rod, a clamping groove structure is formed in the inside of the metal ring rod.

Description

Novel extensible electrography instrument

Technical Field

The utility model relates to the technical field of marine electroprobes, in particular to a novel extensible electroprobe tool.

Background

Test pencil, also known as a pencil, is an electrical tool used to test whether a wire is charged. The pen body is provided with a neon tube, when the neon tube emits light during testing, the lead wire is electrified or is a live 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.

A novel test pencil with the application number of 803620370564.9 comprises a plastic transparent handle and a test pencil head. The novel test pencil is characterized in that the plastic transparent handle and the test pencil head are movably assembled together through the clamping groove and the clamping column, and a user can replace the test pencil head according to specific requirements. The test pencil can be used against two types of test pencil with a straight-line head and a cross-shaped head only by replacing the test pencil head, and the test pencil head is L-shaped, so that the test pencil head can be extended to a more concealed place, and great convenience is brought to a user.

However, the length of the electric pencil in the above scheme is fixed, and in the process of maintaining the ship, the use situation that the voltage needs to be tested at a deeper position on the machine is often encountered, but at this time, the electric pencil is often not long enough, so that the staff cannot effectively measure the electric pencil, or the time is needed to disassemble the machine for detection, and further the working efficiency is reduced.

Disclosure of Invention

The utility model solves the problems that: insufficient stylus length causes problems with the inability to measure voltage at deep locations of the test machine.

(II) technical scheme

The utility model provides a novel extensible electroprobe tool, which comprises an insulating shell, wherein a spring seat, a first spring, a neon tube and a resistor are sequentially arranged in the insulating shell from top to bottom, and the top and the bottom of the insulating shell are fixedly connected with a metal ring rod and a contact respectively;

the probe is connected with the inside of the metal ring rod in a sliding manner, the top of the probe is fixedly connected with a connecting pipe, the inside of the connecting pipe is connected with a connecting rod in a sliding manner, one end of the connecting rod is provided with a clamping block structure, and the inside of the metal ring rod is provided with a clamping groove structure;

the clamping block structure is matched with the clamping groove structure to limit the probe.

Preferably, the fixture block structure includes the catch bar of fixed connection in connecting rod one end, the groove of stepping down has been seted up to the one end symmetry of catch bar, the inside fixedly connected with circle axle of groove of stepping down, rotate on the circle axle and be connected with the stopper, the other end of stopper is connected with the groove of stepping down through the second spring.

Preferably, the clamping groove structure comprises a strip-shaped groove formed in the metal ring rod, and a plurality of second limit grooves are symmetrically formed in two sides of the strip-shaped groove;

the second limit groove is communicated with the strip-shaped groove;

the size of the second limiting groove is larger than that of the limiting block.

Preferably, a sliding groove is formed in one side of the metal ring rod, and the axis of the sliding groove is coincident with the axis of the strip-shaped groove.

Preferably, a pressing block is fixedly connected to one side, away from the pushing rod, of the connecting rod.

Preferably, the two sides of the sliding groove are symmetrically provided with first limit grooves;

arc blocks are symmetrically and fixedly connected to two sides of the connecting pipe and are slidably connected in the first limiting groove;

the length of the first limiting groove is equal to that of the sliding groove.

Preferably, the axis direction of the circular shaft is parallel to the axis direction of the metal ring rod.

Preferably, the width of the sliding groove is equal to the width of the bar-shaped groove, and the width of the bar-shaped groove is larger than the width of the pushing rod.

Preferably, the length direction of the second spring is perpendicular to the axial direction of the circular shaft.

Preferably, the sum of the length of the pushing rod and the length of the connecting rod is greater than the length of the connecting pipe.

The utility model has the beneficial effects that:

the pressing block is pressed to slide downwards and then loosened, the pressing block is pulled out again, the probe part extends out of the metal ring rod, the clamping block structure slides downwards along with the connecting rod, when the probe passes through the clamping groove structure again, the clamping block structure clamps the probe and the metal ring rod, the total length of the probe and the metal ring rod is prolonged, and then the total length of the electric pencil is prolonged, even if the tested position of the tested machine is deeper, the electric pencil can be directly and deeply detected, the machine is not required to be detached by workers in time, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a perspective exploded view of an embodiment of the present utility model;

FIG. 3 is a perspective cross-sectional view of an embodiment of the present utility model;

FIG. 4 is an enlarged view of portion A of FIG. 3, provided in accordance with an embodiment of the present utility model;

FIG. 5 is a perspective view of a metal ring bar and a clamping groove structure provided by an embodiment of the utility model;

fig. 6 is a perspective view of a fixture block structure, a connecting rod and a connecting pipe according to an embodiment of the present utility model.

Icon: 1. an insulating case; 2. a metal loop bar; 803. a sliding groove; 201. a first limit groove; 3. a probe; 4. a resistor; 5. a neon tube; 6. a first spring; 7. a spring seat; 8. a clamping groove structure; 801. a bar-shaped groove; 802. the second limit groove; 9. a clamping block structure; 901. a push rod; 902. a relief groove; 903. a circular shaft; 904. a limiting block; 905. a second spring; 10. a contact; 11. a connecting pipe; 12. an arc block; 13. a pressing block; 14. and (5) connecting a rod.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, an embodiment of the present utility model provides a novel extendable electric pen tool, which comprises an insulating shell 1, wherein a spring seat 7, a first spring 6, a neon tube 5 and a resistor 4 are sequentially arranged in the insulating shell 1 from top to bottom, and a metal ring rod 2 and a contact 10 are fixedly connected to the top and the bottom of the insulating shell 1 respectively;

the inside of the metal ring rod 2 is connected with a probe 3 in a sliding way, the top of the probe 3 is fixedly connected with a connecting pipe 11, the inside of the connecting pipe 11 is connected with a connecting rod 14 in a sliding way, one end of the connecting rod 14 is provided with a clamping block structure 9, and the inside of the metal ring rod 2 is provided with a clamping groove structure 8;

the clamping block structure 9 and the clamping groove structure 8 are matched to limit the probe 3;

the probe 3 comprises a cylinder which is slidably connected to the metal ring bar 2 and a head, it being understood that the head may be replaced by a cross head.

Specifically, the pressing block 13 is pressed to slide downwards and then loosened, the pressing block 13 is pulled out again, the probe 3 partially extends out of the metal ring rod 2, the clamping block structure 9 slides downwards along with the connecting rod 14, when the probe passes through the clamping groove structure 8 again, the clamping block structure 8 clamps the probe 3 and the metal ring rod 2, the total length of the probe 3 and the metal ring rod 2 is prolonged, the total length of the electric pen is prolonged, the electric pen is directly and deeply detected even if the test position of the tested machine is deeper, the machine is not required to be disassembled by workers, and the working efficiency is improved.

As shown in fig. 4 and 6, preferably, the clamping block structure 9 includes a pushing rod 901 fixedly connected to one end of the connecting rod 14, one end of the pushing rod 901 is symmetrically provided with a yielding groove 902, a round shaft 903 is fixedly connected to the inside of the yielding groove 902, a limiting block 904 is rotatably connected to the round shaft 903, and the other end of the limiting block 904 is connected to the yielding groove 902 through a second spring 905. The axial direction of the round shaft 903 is parallel to the axial direction of the metal ring rod 2, and the longitudinal direction of the second spring 905 is perpendicular to the axial direction of the round shaft 903.

The sum of the length of push rod 901 and the length of connecting rod 14 is greater than the length of connecting tube 11.

As shown in fig. 5, the clamping groove structure 8 includes a bar groove 801 formed in the metal ring rod 2, and a plurality of second limiting grooves 802 are symmetrically formed on two sides of the bar groove 801. The second limiting groove 802 communicates with the bar groove 801. The second limiting groove 802 is larger than the limiting block 904.

A sliding groove 803 is formed in one side of the metal ring rod 2, and the axis of the sliding groove 803 coincides with the axis of the bar-shaped groove 801.

Optionally, the clamping groove structure 8 comprises strip-shaped holes symmetrically formed in the metal ring rod 2, two ends of the connecting pipe 11 penetrate through the two strip-shaped holes, the length of the connecting pipe 11 is smaller than the outer ring diameter of the metal ring rod 2, and the clamping block structure 9 comprises screw rods fixedly connected with the two ends of the connecting pipe 11, and bolts are screwed on the screw rods. The positions of the connecting pipe 11 and the metal ring rod 2 are relatively fixed by screwing the two bolts, so that the positions of the metal ring rod 2 and the probe 3 are relatively fixed.

Further, the first spacing groove 201 is set up to sliding groove 803 bilateral symmetry, connecting pipe 11 both sides symmetry fixedly connected with arc piece 12, arc piece 12 sliding connection is in first spacing groove 201, the length of first spacing groove 201 equals with the length of sliding groove 803, it is to be noted that the centre of a circle of arc piece 12 and the centre of a circle of metal ring pole 2 and the centre of a circle of first spacing groove 201 all coincide, setting up of first spacing groove 201 and arc piece 12 makes when connecting pipe 11 reciprocates along sliding groove 803 can be more smooth and easy, and the setting up of first spacing groove 201 and arc piece 12 makes connecting pipe 11 only can slide along the length direction of metal ring pole 2, play the spacing effect to metal ring pole 2.

The side of connecting rod 14 far away from push rod 901 is fixedly connected with presses the piece 13, presses the setting of piece 13 and makes when pressing connecting rod 14 more convenient. The pressing block 13 can be pressed by a distance that the push rod 901 can move, and the moving distance can enable the limiting block 904 to completely rotate away from the second limiting groove 802.

Preferably, one end of the push rod 901 far away from the connecting rod 14 is connected with a third spring, the length direction of the third spring is consistent with the length direction of the connecting rod 14, and after the push rod 901 is pressed, the push rod 901 can rebound under the action of the elasticity of the third spring.

Optionally, a stop lever is fixedly connected to a side of the second limiting groove 802, which is close to the inner side wall of the metal ring rod 2, and the stop lever is configured such that the limiting block 904 does not move out of the bar-shaped groove 801 when the pressing block 13 is pulled outwards.

It is to be noted that the width of the slide groove 803 is equal to the width of the bar groove 801, and the width of the bar groove 801 is larger than the width of the push rod 901.

Working principle: pressing the pressing block 13, further driving the push rod 901 to move forward by the connecting rod 14, compressing the third spring, rotating the limiting block 904 around the circular shaft 903 under the blocking of the side wall of the bar-shaped groove 801, compressing the second spring 905, storing elastic potential energy (at the moment, the limiting block 904 completely enters the position-giving groove 902, leaving the second position-giving groove 802), pressing the pressing block 13 to slide downwards so that the limiting block 904 and the second position-giving groove 802 are staggered, loosening the pressing block 13, restoring the third spring, pushing the pressing block 13 to move downwards continuously until the next second position-giving groove 802 is met, releasing the elastic potential energy by the second spring 905, enabling the limiting block 904 to enter the second position-giving groove 802 under the action of the second spring 905, finishing the retention, namely adjusting the total length of the probe 3 and the metal ring rod 2, further adjusting the total length of the whole electric pen, and detecting the voltage of a deeper position on a testing machine on the premise of not dismantling the testing machine, improving the working efficiency, and reducing the working strength of working staff.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The novel extensible electric pencil tool is characterized by comprising an insulating shell (1), wherein a spring seat (7), a first spring (6), a neon tube (5) and a resistor (4) are sequentially arranged inside the insulating shell (1) from top to bottom, and the top and the bottom of the insulating shell (1) are fixedly connected with a metal ring rod (2) and a contact (10) respectively;

the metal ring rod (2) is internally connected with a probe (3) in a sliding manner, the top of the probe (3) is fixedly connected with a connecting pipe (11), the connecting pipe (11) is internally connected with a connecting rod (14) in a sliding manner, one end of the connecting rod (14) is provided with a clamping block structure (9), and the metal ring rod (2) is internally provided with a clamping groove structure (8);

the clamping block structure (9) and the clamping groove structure (8) are matched to limit the probe (3).

2. The novel extensible electroprobe tool according to claim 1, characterized in that the clamping block structure (9) comprises a push rod (901) fixedly connected to one end of a connecting rod (14), a yielding groove (902) is symmetrically formed in one end of the push rod (901), a circular shaft (903) is fixedly connected to the inside of the yielding groove (902), a limiting block (904) is rotatably connected to the circular shaft (903), and the other end of the limiting block (904) is connected with the yielding groove (902) through a second spring (905).

3. The novel extensible electroprobe tool according to claim 2, characterized in that the clamping groove structure (8) comprises a strip-shaped groove (801) formed in the metal ring rod (2), and a plurality of second limit grooves (802) are symmetrically formed in two sides of the strip-shaped groove (801);

the second limit groove (802) is communicated with the strip-shaped groove (801);

the second limiting groove (802) is larger than the limiting block (904).

4. A novel extendable pencil tool as claimed in claim 3, wherein a sliding groove (803) is provided in one side of the metal ring bar (2), the axis of the sliding groove (803) being coincident with the axis of the bar groove (801).

5. The novel extensible electroprobe tool according to claim 2, characterized in that a pressing block (13) is fixedly connected to one side of the connecting rod (14) away from the pushing rod (901).

6. The novel extensible electroprobe tool according to claim 4 is characterized in that first limit grooves (201) are symmetrically formed on two sides of the sliding groove (803);

arc blocks (12) are symmetrically and fixedly connected to two sides of the connecting pipe (11), and the arc blocks (12) are slidably connected in the first limiting groove (201);

the length of the first limit groove (201) is equal to that of the sliding groove (803).

7. The novel extendable pencil tool of claim 2, wherein the axial direction of the circular shaft (903) is parallel to the axial direction of the metal ring rod (2).

8. The novel extendable pencil tool of claim 4, wherein the width of the sliding groove (803) is equal to the width of the bar groove (801), the width of the bar groove (801) being greater than the width of the push rod (901).

9. The novel extendable pencil tool of claim 2, wherein the length of the second spring (905) is perpendicular to the axis of the circular shaft (903).

10. A new type of extendable pencil tool as claimed in claim 2, characterized in that the sum of the length of the push rod (901) and the length of the connecting rod (14) is greater than the length of the connecting tube (11).