CN219016374U

CN219016374U - DC ground fault finder

Info

Publication number: CN219016374U
Application number: CN202223164212.2U
Authority: CN
Inventors: 周静芳
Original assignee: Wuhan Huadian Keyi Electric Co ltd
Current assignee: Wuhan Huadian Keyi Electric Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-12
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a direct current ground fault finding instrument which comprises a main body machine, a display and an ejection device, wherein wiring holes are formed in the top end of the main body machine at equal intervals, the display is formed in one side of the main body machine, a first groove is formed in the wiring holes, a first spring is fixedly connected to the inner wall of the first groove, a sliding cylinder is fixedly connected to one end of the first spring, a hollow connecting column is fixedly connected to the top end of the sliding cylinder, a clamping block is fixedly connected to one end of the sliding cylinder, an avoidance groove is formed in the inner wall of the first groove, the avoidance groove is in sliding connection with the clamping block, a second groove is formed in the inner wall of the avoidance groove, a third groove is formed in the inner wall of the second groove, a square groove is formed in the inner wall of the third groove, a J-shaped connecting rod is in sliding connection with the inner wall of the square groove, and the ejection device is arranged in the inner wall of the groove.

Description

DC ground fault finder

Technical Field

The utility model relates to the technical field of fault finding instruments, in particular to a direct current grounding fault finding instrument.

Background

When the existing direct current ground fault finder is used, specified equipment is generally required to be inserted into a main body machine, when an equipment plug is required to be pulled out, the equipment plug is required to be matched with another hand to be separated, and if other objects are arranged on the hands of a user, the equipment plug is required to be put down to be taken down, so that inconvenience is caused.

For this purpose we propose a dc ground fault finder.

Disclosure of Invention

The present utility model is directed to a dc ground fault finder for solving the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the direct current ground fault finder comprises a main body machine, a display and an ejector, wherein wiring holes are formed in the top end of the main body machine at equal intervals, the display is arranged on one side of the main body machine, a first groove is formed in the wiring holes, and the ejector is arranged on the inner wall of the first groove.

Preferably, the ejection device comprises a first spring, a sliding cylinder, a hollow connecting column, a clamping block, a avoidance groove, a second groove, a third groove, a square groove, a J-shaped connecting rod, a sliding plate, a second spring, an unlocking groove, an unlocking column and a spherical block, wherein the first spring is fixedly connected with the first inner wall of the groove, one end of the first spring is fixedly connected with the sliding cylinder, the top end of the sliding cylinder is fixedly connected with the hollow connecting column, one end of the sliding cylinder is fixedly connected with the clamping block, the first inner wall of the groove is provided with the avoidance groove, the avoidance groove is in sliding connection with the clamping block, the second groove is provided with the second groove, the second groove is provided with the third groove, the third inner wall of the groove is provided with the square groove, one end of the J-shaped connecting rod is fixedly connected with the sliding plate, one end of the second spring is fixedly connected with the third groove, both ends of the J-shaped connecting rod are provided with round corners, and the inner wall of the square groove is provided with the unlocking groove, and the spherical block is provided with the round corner of the unlocking column, and the round corner is tangent to the spherical block.

Preferably, the limiting grooves are symmetrically formed in the inner walls of the unlocking grooves, limiting blocks are symmetrically and fixedly connected to one ends of the unlocking columns, and the limiting blocks are slidably connected with the limiting grooves so as to limit the unlocking columns conveniently.

Preferably, anti-skid grooves are formed in two ends of the main body machine, so that the protection performance of the main body machine is improved conveniently.

Preferably, a switch key is arranged on one side of the main body machine, so that the main body machine equipment can be conveniently switched on and off.

Preferably, a cover plate is arranged on one side of the main body machine, and the cover plate is connected with the main body machine through bolts, so that the main body machine is convenient to assemble and disassemble.

Preferably, the descending distance of the hollow connecting column is the same as the distance between the clamping block and the J-shaped connecting rod, so that the hollow connecting column can conveniently descend at a proper position and then is limited.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the plug is used, the corresponding plug is only required to be inserted into the wiring hole, the insertion firstly contacts the hollow connecting column, the hollow connecting column is driven to descend, the first compression spring is started, along with the descending of the hollow connecting column, when the clamping block on the sliding cylinder contacts with the round angle of the J-shaped connecting rod, downward acting force is most required to be applied again, the clamping block pushes the J-shaped connecting rod to move towards the square groove, when the clamping block is completely clamped with the J-shaped connecting rod, the equipment is successfully connected, fault finding can be performed at the moment, when the equipment plug is required to be pulled out, the unlocking column is required to be pressed, the spherical block at one end of the unlocking column contacts with the round angle of the J-shaped connecting rod, one end of the J-shaped connecting rod is extruded, the J-shaped connecting rod is enabled to move towards the square groove again, the clamping block and the J-shaped connecting rod are not clamped, the hollow connecting column is ejected out through the elasticity of the first spring, and the plug is driven to be pulled out together, and the situation that a user needs two hands to operate is relieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a wiring hole structure according to the present utility model;

FIG. 4 is a schematic view of an ejector according to the present utility model;

fig. 5 is a schematic view of the structure of the ejector according to the present utility model.

In the figure: 1. a main body machine; 2. a wiring hole; 3. a display; 4. a groove I; 5. an ejector device; 51. a first spring; 52. a slide cylinder; 53. a hollow connecting column; 54. a clamping block; 55. an avoidance groove; 56. a second groove; 57. a groove III; 58. a square groove; 59. a J-shaped connecting rod; 510. a slide plate; 511. a second spring; 512. unlocking grooves; 513. unlocking the column; 514. a spherical block; 6. a limit groove; 7. a limiting block; 8. an anti-skid groove; 9. a switching key; 10. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

Referring to fig. 1-2, the direct current ground fault finder comprises a main body machine 1, a display 3 and an ejector 5, wherein wiring holes 2 are formed in the top end of the main body machine 1 at equal intervals, the display 3 is formed in one side of the main body machine 1, a groove I4 is formed in the wiring holes 2, the ejector 5 is arranged on the inner wall of the groove I4, anti-slip grooves 8 are formed in the two ends of the main body machine 1, a switch key 9 is arranged on one side of the main body machine 1, a cover plate 10 is arranged on one side of the main body machine 1, and the cover plate 10 is connected with the main body machine 1 through bolts.

Referring to fig. 3-5, the ejector device 5 includes a first spring 51, a sliding tube 52, a hollow connecting column 53, a clamping block 54, a avoiding groove 55, a second groove 56, a third groove 57, a square groove 58, a J-shaped connecting rod 59, a sliding plate 510, a second spring 511, an unlocking groove 512, an unlocking column 513 and a spherical block 514, the first spring 51 is fixedly connected with the inner wall of the first groove 4, one end of the first spring 51 is fixedly connected with the sliding tube 52, the top end of the sliding tube 52 is fixedly connected with the hollow connecting column 53, one end of the sliding tube 52 is fixedly connected with the clamping block 54, the inner wall of the first groove 4 is provided with the avoiding groove 55, the avoiding groove 55 is in sliding connection with the clamping block 54, the inner wall of the avoiding groove 55 is provided with the second groove 56, the inner wall of the groove 56 is provided with the third groove 57, the inner wall of the groove 57 is provided with the square groove 58, one end of the J-shaped connecting rod 59 is fixedly connected with the sliding plate 510, one end of the sliding plate 510 is fixedly connected with the second spring 511, one end of the sliding plate 510 is fixedly connected with the sliding plate 511, one end of the sliding plate 59 is fixedly connected with the second groove 511, one end of the sliding plate is provided with the J-shaped connecting rod 59, and the round angle is fixedly connected with the round angle between the J-shaped connecting rod 59 and the round connecting rod is provided with the round angle 59, and the round angle connecting rod is provided with the round angle connecting rod 513.

Referring to fig. 3-5, the inner wall of the unlocking slot 512 is symmetrically provided with a limiting slot 6, one end of the unlocking post 513 is symmetrically and fixedly connected with a limiting block 7, and the limiting block 7 is slidably connected with the limiting slot 6, so as to limit the unlocking post 513.

Working principle:

when the plug is used, the corresponding plug is only required to be inserted into the wiring hole 2, at the moment, the plug is firstly inserted to contact the hollow connecting column 53 and drive the hollow connecting column 53 to descend, the first spring 51 is compressed, along with the descending of the hollow connecting column 53, when the clamping block 54 on the sliding drum 52 contacts with the round corner of the J-shaped connecting rod 59, downward acting force is required to be applied again, the clamping block 54 pushes the J-shaped connecting rod 59 to move towards the square groove 58, when the clamping block 54 moves out of one end of the J-shaped connecting rod 59, the J-shaped connecting rod 59 is reset under the elastic force of the second spring 511, at the moment, the clamping block 54 is completely clamped with the J-shaped connecting rod 59, the equipment is successfully connected, at the moment, fault finding can be performed, when the equipment plug is required to be pulled out, the unlocking column 513 is required to be pressed down, the round corner 514 at one end of the unlocking column 513 is contacted with the J-shaped connecting rod 59, and one end of the J-shaped connecting rod 59 is required to be extruded, the J-shaped connecting rod 59 is required to move towards the square groove 58 again, the clamping block 54 is prevented from being clamped with the J-shaped connecting rod 59, and the hollow connecting rod 53 is further pulled out through the elastic force of the first spring.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The direct current ground fault finder is characterized by comprising the following components;

the wire connecting device comprises a main body machine (1), wherein wiring holes (2) are formed in the top end of the main body machine (1) at equal intervals;

a display (3), wherein one side of the main body machine (1) is provided with the display (3), and the wiring hole (2) is provided with a first groove (4);

and the ejection device (5) is arranged on the inner wall of the first groove (4).

2. The direct current ground fault finder according to claim 1, wherein: the ejection device (5) comprises a first spring (51), a sliding cylinder (52), a hollow connecting column (53), a clamping block (54), an avoidance groove (55), a second groove (56), a third groove (57), a square groove (58), a J-shaped connecting rod (59), a sliding plate (510), a second spring (511), an unlocking groove (512), an unlocking column (513) and a spherical block (514), the first spring (51) is fixedly connected with the inner wall of the first groove (4), one end of the first spring (51) is fixedly connected with the sliding cylinder (52), the hollow connecting column (53) is fixedly connected with the top end of the sliding cylinder (52), one end of the sliding cylinder (52) is fixedly connected with the clamping block (54), the avoidance groove (55) is formed in the inner wall of the first groove (4), the avoidance groove (55) is in sliding connection with the clamping block (54), the second groove (56) is formed in the inner wall of the avoidance groove (55), the third groove (57) is formed in the inner wall of the groove, the square groove (58) is formed in the inner wall of the groove, one end of the square groove (58) is fixedly connected with the connecting rod (59), one end of the sliding plate (510) is fixedly connected with the second connecting rod (59), one end and recess three (57) fixed connection of spring two (511), slide (510) and spring two (511) sliding connection, the fillet has all been seted up at the both ends of J type connecting rod (59), unlocking groove (512) have been seted up to square groove (58) inner wall, the inner wall sliding connection of unlocking groove (512) has unblock post (513), the one end fixedly connected with spherical piece (514) of unblock post (513), spherical piece (514) are tangent with the fillet department of J type connecting rod (59).

3. The direct current ground fault finder according to claim 2, wherein: limiting grooves (6) are symmetrically formed in the inner walls of the unlocking grooves (512), limiting blocks (7) are symmetrically and fixedly connected to one ends of the unlocking columns (513), and the limiting blocks (7) are in sliding connection with the limiting grooves (6).

4. The direct current ground fault finder according to claim 1, wherein: anti-skid grooves (8) are formed in two ends of the main body machine (1).

5. The direct current ground fault finder according to claim 1, wherein: one side of the main body machine (1) is provided with a switch key (9).

6. The direct current ground fault finder according to claim 1, wherein: one side of the main body machine (1) is provided with a cover plate (10), and the cover plate (10) is connected with the main body machine (1) through bolts.

7. The direct current ground fault finder according to claim 2, wherein: the descending distance of the hollow connecting column (53) is the same as the distance between the clamping block (54) and the J-shaped connecting rod (59).