Outer shell of loop resistance testing device

Abstract

The utility model discloses an outer shell of a loop resistance testing device, which comprises a bottom shell and a box door of the loop resistance testing device, the bottom shell comprises a bottom plate, a front coaming, a rear coaming, a left coaming and a right coaming, and two groups of inductive sensors used for detecting the loop resistance of a cable are arranged on one side of the left coaming. The lower parts of the front coaming, the rear coaming, the left coaming and the right coaming are rotationally connected with the bottom plate through rotating shaft rods; the two sides of the left coaming and the two sides of the right coaming are each provided with two sets of fixing plates, and the two sides of the front coaming and the two sides of the rear coaming are each provided with two sets of clamping assemblies. The front coaming and the rear coaming are connected with the two sets of fixing plates at the positions of the left coaming and the right coaming in a buckled mode through the two sets of clamping plates. According to the utility model, through the design of the rotatably connected coamings, a maintainer can access the interior of the equipment more easily to carry out maintenance and repair work.

Description

Technical Field

[0001] This utility model relates to the housing of a loop resistance testing device. Background Technology

[0002] In power systems and electronic equipment, accurately measuring the loop resistance of cables is a crucial step in ensuring the safe operation of the system.

[0003] Existing loop resistance testing devices typically employ a fixed housing structure, which limits the accessibility and ease of maintenance. During routine maintenance and repair, the confined internal space of the housing makes operation inconvenient for maintenance personnel, impacting efficiency, potentially increasing repair time and costs. Therefore, this paper proposes a new housing design for the loop resistance testing device. Utility Model Content

[0004] The purpose of this utility model is to provide a housing for a loop resistance testing device, so as to solve the problems mentioned in the background art, such as the small internal space of the existing loop resistance testing device housing, which makes it inconvenient for maintenance personnel to operate, affects maintenance efficiency, and increases maintenance time.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a housing for a loop resistance testing device, comprising a bottom shell and a door, wherein the bottom shell includes a bottom plate, a front panel, a rear panel, a left panel, and a right panel, and two sets of inductive sensors for detecting cable loop resistance are arranged on one side of the left panel.

[0006] The lower parts of the front panel, rear panel, left panel, and right panel are all rotatably connected to the base plate via a pivot rod.

[0007] Two sets of fixing plates are respectively provided on both sides of the left and right side panels.

[0008] Two sets of engaging components are respectively provided on both sides of the front panel and the rear panel;

[0009] The front and rear panels are fastened to the left and right panels by two sets of snap-fit ​​plates.

[0010] Preferably, the fixing plate is L-shaped, and a positioning groove for connecting the locking assembly is provided on the side of the fixing plate away from the left and right side panels.

[0011] Preferably, the engaging assembly includes movable slots formed on both sides of the front and rear panels, a guide crossbar is provided inside the movable slot, and a positioning support plate is slidably connected to the outer periphery of the guide crossbar through a guide shaft plate.

[0012] Preferably, the positioning support plate includes a connecting part and a snap-fit ​​part. The connecting part is rectangular, and the snap-fit ​​part is a right-angled triangular frustum arranged laterally, and the snap-fit ​​part protrudes from the connecting part.

[0013] Preferably, the snap-fit ​​part is connected to the guide shaft plate through the connecting part, and the connecting part cooperates with the positioning groove at the fixing plate so that the snap-fit ​​part is snapped onto the fixing plate through the connecting part.

[0014] Preferably, a return spring is provided on the outer periphery of the guide crossbar, and the return spring is located on the side of the guide shaft plate away from the inclined surface of the triangular truncated pyramid.

[0015] Preferably, the length of the positioning groove is greater than the length of the positioning support plate, so that the enclosure plate can rotate at the bottom plate.

[0016] Preferably, the base plate has rotating grooves around its perimeter for the rotation of the rotating shaft.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This utility model, through its rotatable enclosure design, allows maintenance personnel to more easily access the interior of the equipment for maintenance and repair work.

[0019] The specially designed pivot rod and locking assembly allow for quick opening and closing of the housing, simplifying the operation process and improving maintenance efficiency.

[0020] The easy-to-open and close outer casing design reduces the operational difficulty for maintenance personnel during the maintenance process, shortens maintenance time, and thus improves overall maintenance efficiency.

[0021] The positioning support plate and return spring in the design provide a stable locking mechanism to prevent accidental opening of the outer casing during use and ensure operational safety. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the rotating groove structure according to an embodiment of the present utility model;

[0024] Figure 3 This is an enlarged schematic diagram of the bottom shell structure of an embodiment of this utility model;

[0025] Figure 4 This is a schematic cross-sectional view of the engaging assembly according to an embodiment of the present invention;

[0026] Figure 5 This is an enlarged schematic diagram of the rotating shaft structure according to an embodiment of the present invention.

[0027] In the diagram: 100, bottom shell; 101, bottom plate; 101a, rotating groove; 102, front panel; 103, rear panel; 104, left panel; 105, right panel; 200, door; 300, sensor; 400, rotating shaft; 500, fixing plate; 501, positioning groove; 600, engaging assembly; 601, moving groove; 602, guide crossbar; 603, guide shaft plate; 604, positioning support plate; 604a, connecting part; 604b, engaging part; 605, return spring. Detailed Implementation

[0028] To address the problems of limited internal space in existing loop resistance testing devices, which hinders operation by maintenance personnel, reduces maintenance efficiency, and increases repair time, this utility model provides a new type of loop resistance testing device housing. The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0029] Please see Figure 1-5 This utility model provides a housing for a loop resistance testing device, including a bottom shell 100 and a door 200. The bottom shell 100 includes a bottom plate 101, a front panel 102, a rear panel 103, a left panel 104, and a right panel 105. Two sets of inductive sensors 300 for detecting cable loop resistance are arranged on one side of the left panel 104.

[0030] The lower parts of the front panel 102, rear panel 103, left panel 104 and right panel 105 are all rotatably connected to the base plate 101 via a pivot rod 400; the base plate 101 is provided with a rotating groove 101a around its perimeter for the pivot rod 400 to rotate.

[0031] Two sets of fixing plates 500 are respectively provided on both sides of the left panel 104 and the right panel 105. The fixing plates 500 are L-shaped, and the fixing plates 500 have a positioning groove 501 for connecting the locking assembly 600 on the side away from the left panel 104 and the right panel 105.

[0032] Two sets of engaging components 600 are respectively provided on both sides of the front panel 102 and the rear panel 103. Each engaging component 600 includes a moving groove 601 formed on both sides of the front panel 102 and the rear panel 103. A guide crossbar 602 is provided inside the moving groove 601. A positioning support plate 604 is slidably connected to the outer periphery of the guide crossbar 602 via a guide shaft plate 603. The positioning support plate 604 includes a connecting part 604a and a locking part 604b. The connecting part 604a is rectangular, and the locking part 604b is a horizontally arranged right-angled triangular frustum, protruding beyond the connecting part 604a. The locking part 604b is connected to the guide shaft plate 603 via the connecting part 604a, and the connecting part 604a cooperates with the positioning groove 501 at the fixed plate 500, so that the locking part 604b is locked to the fixed plate 500 via the connecting part 604a. A return spring 605 is provided on the outer periphery of the guide crossbar, and the return spring 605 is located on the side of the guide shaft plate 603 away from the inclined surface of the triangular truncated pyramid. The length of the positioning groove 501 is greater than the length of the positioning support plate 604, so that the surrounding plate can rotate at the bottom plate 100.

[0033] The front panel 102 and the rear panel 103 are connected to the left panel 104 and the right panel 105 by two sets of snap-fit ​​plates.

[0034] The working principle of the outer shell of the loop resistance testing device provided by this utility model is as follows: In use, rotate the left side plate 104 and the right side plate 105 to a vertical position, and then rotate the front side plate 102 and the rear side plate 103, so that the positioning support plate 604 at the front side plate 102 and the rear side plate 103 abuts against the fixing plate 500 at the left side plate 104 and the right side plate 105. The fixing plate 500 presses the positioning support plate 604 along the inclined surface of the snap-fit ​​part 604b, and the positioning support plate 604 is subjected to force through the guide. The shaft plate 603 moves at the guide crossbar 602, pressing the return spring 605 located in the moving groove 601. The return spring 605 contracts under force, and the positioning support plate 604 moves laterally to the positioning groove 501 of the fixed plate 500, so that the snap-fit ​​part 604b of the positioning support plate 604 snaps into the positioning groove 501 of the fixed plate 500, connecting and fixing the left side plate 104, the right side plate 105 to the front side plate 102 and the rear side plate 103, realizing the rapid assembly of the bottom shell 100;

[0035] During maintenance, open the enclosure door 200, move the pressing positioning support plate 604 to both sides, control the positioning support plate 604 to move out of the positioning groove 501, and lay the surrounding panels of the bottom shell 100 flat to facilitate the maintenance of the internal components.

[0036] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A housing for a loop resistance testing device, comprising a bottom shell (100) and a door (200) for the loop resistance testing device, characterized in that: The bottom shell (100) includes a bottom plate (101), a front panel (102), a rear panel (103), a left panel (104), and a right panel (105). Two sets of induction sensors (300) for detecting the resistance of cable loops are provided on one side of the left panel (104). The lower parts of the front panel (102), rear panel (103), left panel (104) and right panel (105) are all rotatably connected to the bottom plate (101) via a pivot rod (400); Two sets of fixing plates (500) are respectively provided on both sides of the left panel (104) and the right panel (105). Two sets of engaging components (600) are respectively provided on both sides of the front panel (102) and the rear panel (103). The front panel (102) and rear panel (103) are fastened to the left panel (104) and right panel (105) by two sets of snap-fit ​​plates.

2. The housing of a loop resistance testing device according to claim 1, characterized in that: The fixing plate (500) is L-shaped, and a positioning groove (501) is provided on the side of the fixing plate (500) away from the left side panel (104) and the right side panel (105) for connecting the locking assembly (600).

3. The housing of a loop resistance testing device according to claim 2, characterized in that: The engaging assembly (600) includes a moving groove (601) on both sides of the front panel (102) and the rear panel (103). A guide crossbar (602) is provided inside the moving groove (601). A positioning support plate (604) is slidably connected to the outer periphery of the guide crossbar (602) through a guide shaft plate (603).

4. The housing of a loop resistance testing device according to claim 3, characterized in that: The positioning support plate (604) includes a connecting part (604a) and a snap-fit ​​part (604b). The connecting part (604a) is rectangular, and the snap-fit ​​part (604b) is a right-angled triangular frustum arranged laterally, and the snap-fit ​​part (604b) protrudes from the connecting part (604a).

5. The housing of a loop resistance testing device according to claim 4, characterized in that: The snap-fit ​​part (604b) is connected to the guide shaft plate (603) through the connecting part (604a), and the connecting part (604a) cooperates with the positioning groove (501) at the fixing plate (500) so that the snap-fit ​​part (604b) is snapped to the fixing plate (500) through the connecting part (604a).

6. The housing of a loop resistance testing device according to claim 4, characterized in that: A return spring (605) is provided on the outer periphery of the guide crossbar (602), and the return spring (605) is located on the side of the guide shaft plate (603) away from the inclined surface of the triangular truncated pyramid.

7. The housing of a loop resistance testing device according to claim 5, characterized in that: The length of the positioning groove (501) is greater than the length of the positioning support plate (604) so ​​that the enclosure plate can rotate at the bottom plate (101).

8. The housing of a loop resistance testing device according to claim 1, characterized in that: The base plate (101) has rotating grooves (101a) around its perimeter for the rotation of the rotating shaft (400).

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