Lock-out structure of ring main unit

Abstract

The utility model relates to the technical field of ring main units, and discloses a ring main unit locking structure, which comprises a cabinet body assembly, a cabinet door assembly, a driving assembly and two locking assemblies, the cabinet door assembly is rotatably mounted in the cabinet body assembly, the driving assembly is rotatably mounted in the cabinet door assembly, the locking assemblies are slidably mounted on the inner side of the cabinet door assembly, and the cabinet door assembly is rotatably mounted in the cabinet body assembly. The driving assembly is connected with the two locking assemblies and drives the two locking assemblies to slide; through the cabinet body assembly, the cabinet door assembly, the driving assembly and the locking assembly, when a worker closes the cabinet door body, locking can be automatically completed only by rotating and resetting the cabinet door body, and potential safety hazards caused by the fact that the worker forgets to lock the cabinet door body are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ring main unit technical field more particularly to a ring main unit locking structure. BACKGROUND

[0002] The ring main unit is a group of power transmission and distribution electrical equipment installed in the metal or nonmetal insulation cabinet or made into the electrical equipment of assembled interval type ring network power supply unit, adopts the load switch and the fuse in the core part, has simple structure, small size, low price, can improve the power supply parameter and performance and the advantages such as power supply safety. It is widely used in the power distribution station and box-type substation of the load center of city residential area, high-rise building, large public building, factory enterprise.

[0003] In the daily maintenance process of the ring main unit, the staff needs to open the cabinet door, and at present the cabinet door of the ring main unit is mostly locked by simple rotating lock core, and the opening and closing of the cabinet door need manual operation of the staff, and the ring main unit is generally multiple groups arranged together, and the staff repeats the same maintenance process, and the cabinet door may be closed and forgotten to lock, and the loose cabinet door can cause safety hazards, therefore, an urgent need to design a ring main unit locking structure to solve the above problems UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a ring main unit locking structure to solve the problem that the staff repeats the same maintenance process and may close the cabinet door and forget to lock.

[0005] The utility model provides the following technical scheme: a ring main unit locking structure, including cabinet body assembly, still including cabinet door assembly, drive assembly and two locking assemblies, cabinet door assembly rotation is installed in the cabinet body assembly, drive assembly rotation is installed in the cabinet door assembly, and locking assembly sliding is installed in the inboard of cabinet door assembly, and drive assembly is connected with two locking assemblies and drives two locking assemblies to slide.

[0006] Further, the cabinet body assembly includes a ring main unit body, a mounting plate, and two concave blocks, the mounting plate is fixedly installed on the inner wall of one end of the ring main unit body, and the two concave blocks are fixedly installed on one side of the mounting plate.

[0007] Further, the cabinet door assembly includes a cabinet door body, two fixed pieces, and two first springs, the cabinet door body is rotationally installed in the ring main unit body, the two fixed pieces are fixedly installed on the inboard of the cabinet door body, and the two first springs are fixedly installed on the top and bottom of the two fixed pieces, respectively.

[0008] Further, the driving assembly comprises a handle, a rotating rod and a gear, the handle is rotatably installed on the outside of the cabinet door body, a circular hole is formed between the two sides of the cabinet door body, the rotating rod is rotatably installed in the circular hole, and the rotating rod is fixedly connected with the handle, the gear is rotatably installed on the inside of the cabinet door body, and the gear is fixedly connected with the rotating rod.

[0009] Further, the locking assembly comprises a rack and a plug rod, two racks are slidably installed on the inside of the cabinet door body, and the two racks are engaged with the gear, the plug rod is fixedly installed at one end of the rack away from the fixed sheet, the top and the bottom of the ring main unit body are provided with plug holes matched with the plug rods, the two plug rods are slidably inserted into the two fixed sheets, and the two first springs are fixedly connected with the two racks at the ends close to the fixed sheets.

[0010] Further, the two racks are fixedly installed with trapezoidal sliding strips on the sides close to the cabinet door body, two trapezoidal sliding grooves are formed in the inside of the cabinet door body, the trapezoidal sliding strips are matched with the trapezoidal sliding grooves, and the length of the trapezoidal sliding strips is shorter than the length of the trapezoidal sliding grooves.

[0011] Further, the two racks are fixedly installed with trapezoidal sliding strips on the sides close to the cabinet door body, two trapezoidal sliding grooves are formed in the inside of the cabinet door body, the trapezoidal sliding strips are matched with the trapezoidal sliding grooves, and the length of the trapezoidal sliding strips is shorter than the length of the trapezoidal sliding grooves.

[0012] Further, one side of the handle is provided with a direction mark.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] The utility model, need attention is, when the cabinet door body is in the locking state, two sliding blocks in the slide bar are surrounded by the fixed sheet, when needing opening the cabinet door body, rotates the handle, drives the gear to rotate through the rotating rod, and the gear rotation will drive two racks to slide to each other and compress two first springs, and then drive two insertion rods to separate from two insertion holes, and the cabinet door body is unlocked, when two racks slide, will drive two slide bars to slide in two fixed sheets respectively, when two racks slide to each other to the end, two sliding blocks in two slide bars will slide to two concave blocks respectively and separate from the surrounding of two fixed sheets, at this moment, the sliding block will be in the surrounding of concave block, and will not pop out, then open the cabinet door body, drive two slide bars to separate from two concave blocks, at this moment, the second spring will release, and push the sliding block to slide out, after the sliding block slides out, can be clamped in the fixed sheet near one end of concave block, and fix two slide bars, and then fix two racks, when needing closing the cabinet door body, just close the cabinet door body, during the closing process of the cabinet door body, two slide bars will reengage into two concave blocks, during the process that the slide bar engages into the concave block, two sliding blocks will be extruded by the concave block and return to the vertical groove again, when the cabinet door body is completely closed, the sliding block will also completely return to the vertical groove, at this moment, two first springs will release, and push two racks to slide away from each other, and push two insertion rods to reengage into two insertion holes, and lock the cabinet door body, through the cabinet body assembly, the cabinet door assembly, the driving assembly and the locking assembly, when closing the cabinet door body, staff only needs to rotate the cabinet door body to reset, and can automatically complete locking, avoids the security risk caused by staff forgetting to lock. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is cabinet body assembly structure schematic diagram of the utility model;

[0017] Figure 3 It is cabinet door body structure schematic diagram of the utility model;

[0018] Figure 4 It is cabinet door assembly structure schematic diagram of the utility model;

[0019] Figure 5 It is driving assembly structure schematic diagram of the utility model;

[0020] Figure 6 It is rack structure schematic diagram of the utility model;

[0021] Figure 7 It is insertion rod structure schematic diagram of the utility model;

[0022] Figure 8 It is sliding block structure schematic diagram of the utility model.

[0023] The figure marks are: 1, cabinet body assembly; 101, ring main unit body; 102, jack; 103, mounting plate; 104, concave block; 2, cabinet door assembly; 201, cabinet door body; 202, fixed sheet; 203, first spring; 204, round hole; 205, trapezoidal sliding slot; 3, driving assembly; 301, handle; 302, rotating rod; 303, gear; 304, direction mark; 4, locking assembly; 401, rack; 402, insertion rod; 403, trapezoidal sliding strip; 404, sliding rod; 405, vertical groove; 406, sliding block; 407, second spring. DETAILED DESCRIPTION

[0024] The utility model makes further explanation in combination with specific embodiment below, however, people skilled in the art should understand that the structure of the utility model is necessarily beyond the limited embodiment, and for some equivalent replacement scheme or common means, the detailed description is not narrated in the text, but still belongs to the protection scope of the application.

[0025] Figures 1-8 It is the best embodiment of the utility model, and the following will be combined with the attached Figures 1-8 The utility model makes further explanation.

[0026] A ring main unit locking structure, including cabinet body assembly 1, still including cabinet door assembly 2, driving assembly 3 and two locking assemblies 4, cabinet door assembly 2 is rotatably installed in cabinet body assembly 1, driving assembly 3 is rotatably installed in cabinet door assembly 2, locking assembly 4 is slidably installed in the inboard of cabinet door assembly 2, driving assembly 3 is connected with two locking assemblies 4, and two locking assemblies 4 are slidably driven;

[0027] Cabinet body assembly 1 includes ring main unit body 101, mounting plate 103 and two concave blocks 104, mounting plate 103 is fixedly installed in the inner wall of one end of ring main unit body 101, and two concave blocks 104 are both fixedly installed in one side of mounting plate 103;

[0028] Cabinet door assembly 2 includes cabinet door body 201, two fixed sheets 202 and two first springs 203, cabinet door body 201 is rotatably installed in ring main unit body 101, two fixed sheets 202 are both fixedly installed in the inboard of cabinet door body 201, and two first springs 203 are respectively fixedly installed at the top and bottom of two fixed sheets 202;

[0029] The driving assembly 3 comprises a handle 301, a rotating rod 302 and a gear 303, the handle 301 is rotatably installed on the outer side of the cabinet door body 201, a circular hole 204 is formed between the two sides of the cabinet door body 201, the rotating rod 302 is rotatably installed in the circular hole 204, and the rotating rod 302 is fixedly connected with the handle 301, the gear 303 is rotatably installed on the inner side of the cabinet door body 201, and the gear 303 is fixedly connected with the rotating rod 302;

[0030] The locking assembly 4 comprises two racks 401 and two insertion rods 402, the two racks 401 are slidably installed on the inner side of the cabinet door body 201, and the two racks 401 are engaged with the gear 303, the insertion rod 402 is fixedly installed at one end of the rack 401 away from the fixed sheet 202, the top and the bottom of the ring main unit body 101 are provided with insertion holes 102, the insertion rod 402 is matched with the insertion hole 102, the two insertion rods 402 are slidably inserted into the two fixed sheets 202, and the two first springs 203 are fixedly connected with the two racks 401 at the ends close to the fixed sheet 202;

[0031] The side, close to the cabinet door body 201, of each rack 401 is fixedly installed with a trapezoidal sliding strip 403, the inner side of the cabinet door body 201 is provided with two trapezoidal sliding grooves 205, the trapezoidal sliding strip 403 is matched with the trapezoidal sliding groove 205, and the length of the trapezoidal sliding strip 403 is shorter than the length of the trapezoidal sliding groove 205;

[0032] The end, close to the fixed sheet 202, of each rack 401 is fixedly installed with a sliding rod 404, the sliding rod 404 is matched with the concave block 104, the outer wall of the sliding rod 404 is provided with two vertical grooves 405, the two vertical grooves 405 are slidably installed with two sliding blocks 406, and the two second springs 407 are fixedly installed between the sliding block 406 and the vertical groove 405.

[0033] In the embodiment, it is noted that when the cabinet door body 201 is in the locked state, the two sliding blocks 406 in the slide rods 404 are surrounded by the fixing pieces 202. When it is needed to open the cabinet door body 201, the handle 301 is rotated, the gear 303 is driven to rotate through the rotating rod 302, the two racks 401 are driven to slide towards each other, the two first springs 203 are compressed, the two insertion rods 402 are driven to disengage from the two insertion holes 102, the cabinet door body 201 is unlocked, and when the two racks 401 slide towards each other, the two slide rods 404 slide in the two fixing pieces 202 respectively. When the two racks 401 slide towards each other to the end, the two sliding blocks 406 in the two slide rods 404 slide into the two concave blocks 104 respectively and disengage from the surrounding of the two fixing pieces 202. At this time, the sliding blocks 406 are surrounded by the concave blocks 104 and cannot be popped out. Then, the cabinet door body 201 is opened, the two slide rods 404 disengage from the two concave blocks 104, the second spring 407 is released and pushes the sliding block 406 to slide out. After the sliding block 406 slides out, it can be clamped at the end of the fixing piece 202 close to the concave block 104, the two slide rods 404 are fixed, and the two racks 401 are fixed. When it is needed to close the cabinet door body 201, the cabinet door body 201 is only needed to be closed. During the closing process of the cabinet door body 201, the two slide rods 404 re-engage into the two concave blocks 104. During the process that the slide rods 404 engage into the concave blocks 104, the two sliding blocks 406 are extruded by the concave blocks 104 and return to the vertical grooves 405 again. When the cabinet door body 201 is completely closed, the sliding blocks 406 also completely return to the vertical grooves 405. At this time, the two first springs 203 are released, the two racks 401 are driven to slide away from each other, the two insertion rods 402 are driven to re-engage into the two insertion holes 102, the cabinet door body 201 is locked, and through the cabinet body assembly 1, the cabinet door assembly 2, the driving assembly 3 and the locking assembly 4, when the staff closes the cabinet door body 201, the staff only needs to rotate the cabinet door body 201 to reset, and the locking can be automatically completed, so that the safety hidden danger caused by the staff forgetting to lock is avoided.

[0034] Specifically, one side of the handle 301 is provided with a direction mark 304.

[0035] In the embodiment, through the direction mark 304, the personnel who are ready to open the cabinet door body 201 can be prompted, so that the personnel rotate the handle 301 in the wrong direction is avoided.

[0036] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A ring main unit interlocking structure, comprising a cabinet assembly (1), characterized in that: It also includes a cabinet door assembly (2), a drive assembly (3) and two locking assemblies (4). The cabinet door assembly (2) is rotatably installed inside the cabinet body assembly (1), the drive assembly (3) is rotatably installed inside the cabinet door assembly (2), and the locking assembly (4) is slidably installed inside the cabinet door assembly (2). The drive assembly (3) is connected to the two locking assemblies (4) and drives the two locking assemblies (4) to slide.

2. The ring main unit interlocking structure according to claim 1, characterized in that: The cabinet assembly (1) includes a ring main unit (101), a mounting plate (103) and two concave blocks (104). The mounting plate (103) is fixedly installed on the inner wall of one end of the ring main unit (101), and the two concave blocks (104) are fixedly installed on one side of the mounting plate (103).

3. The ring main unit interlocking structure according to claim 1, characterized in that: The cabinet door assembly (2) includes a cabinet door body (201), two fixing plates (202) and two first springs (203). The cabinet door body (201) is rotatably installed inside the ring network cabinet body (101). The two fixing plates (202) are fixedly installed on the inner side of the cabinet door body (201). The two first springs (203) are fixedly installed on the top and bottom of the two fixing plates (202) respectively.

4. The ring main unit interlocking structure according to claim 1, characterized in that: The drive assembly (3) includes a handle (301), a rotating rod (302), and a gear (303). The handle (301) is rotatably mounted on the outside of the cabinet door body (201). A circular hole (204) is provided between the two sides of the cabinet door body (201). The rotating rod (302) is rotatably mounted in the circular hole (204) and is fixedly connected to the handle (301). The gear (303) is rotatably mounted on the inside of the cabinet door body (201) and is fixedly connected to the rotating rod (302).

5. The ring main unit interlocking structure according to claim 1, characterized in that: The locking assembly (4) includes a rack (401) and a plug rod (402). Both racks (401) are slidably installed on the inner side of the cabinet door body (201), and both racks (401) are meshed with gears (303). The plug rod (402) is fixedly installed at the end of the rack (401) away from the fixing plate (202). The top and bottom of the ring main body (101) are provided with insertion holes (102). The plug rod (402) is adapted to the insertion hole (102). The two plug rods (402) are slidably inserted into the two fixing plates (202) respectively, and the two first springs (203) are fixedly connected to the ends of the two racks (401) near the fixing plates (202) respectively.

6. The ring main unit interlocking structure according to claim 5, characterized in that: Two racks (401) are fixedly installed with trapezoidal slides (403) on the side that is in contact with the cabinet door body (201). Two trapezoidal grooves (205) are opened on the inner side of the cabinet door body (201). The trapezoidal slides (403) are adapted to the trapezoidal grooves (205), and the length of the trapezoidal slides (403) is shorter than the length of the trapezoidal grooves (205).

7. The ring main unit interlocking structure according to claim 5, characterized in that: Each of the two racks (401) has a slide rod (404) fixedly installed at one end near the fixed piece (202). The slide rod (404) is adapted to the concave block (104). Two vertical grooves (405) are opened on the outer wall of the slide rod (404). A slider (406) is slidably installed in each of the two vertical grooves (405). Two second springs (407) are fixedly installed between the slider (406) and the vertical groove (405).

8. The ring main unit interlocking structure according to claim 4, characterized in that: A direction indicator (304) is provided on one side of the grip (301).

Images