Ring main unit locking device

Abstract

The utility model belongs to the technical field of ring main unit locking devices, and particularly relates to a ring main unit locking device which comprises a device body, the device body is provided with a connecting mechanism, the connecting mechanism comprises a connecting assembly arranged in the middle section of the device body, and the upper section of the device body is provided with a top assembly. The connecting assembly is connected with a locking assembly; a clamping plate is hinged to the inner wall of a limiting plate connected to the inner wall of the device body, a reset spring rotationally connected to the inner wall of the device body drives the fixedly-connected clamping plate to deflect, the fixedly-connected reset spring slides into the inner walls of limiting bayonets evenly formed in a lock disc, and a connected built-in cabinet body is subjected to limiting installation. The rotating handle which is rotatably connected and the winding shaft which is fixedly connected rotate to drive the clamping plate which is fixedly connected to the outer wall of the rotating handle to rotate, and then the connected clamping plate slides out of the inner wall of the limiting sliding opening of the lock disc, so that the dangerous behavior that the inner cavity is independently and directly opened, and internal elements are overhauled can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ring main unit locking device technical field, concretely is a kind of ring main unit locking device. BACKGROUND

[0002] Ring main unit is a group of power transmission and distribution equipment is installed in metal or non-metal insulation cabinet or is made into the electrical equipment of assembled interval type ring network power supply unit, its core component is load switch and fuse, load switch is used to control high-voltage loop, and fuse is responsible for protecting high-voltage loop.Ring main unit is widely used in the power distribution station and box-type substation of city residential area, high-rise building and factory enterprise and other load centers.

[0003] When ring main unit is overhauled, line needs to be powered off, but the two separate actions of existing ring main unit power-off and cabinet door opening, cabinet door can be opened when not powered off, there is security risk, based on this, a kind of ring main unit locking device is provided to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of ring main unit locking device, to solve the problem that the two separate actions of existing ring main unit power-off and cabinet door opening, cabinet door can be opened when not powered off, there is security risk in the background art proposed above.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ring main unit locking device, including device body, the device body is provided with connecting mechanism, the connecting mechanism includes the connecting assembly being arranged in the middle section of the device body, the top assembly is arranged in the upper section of the device body, the connecting assembly is connected with locking assembly;

[0006] The locking assembly includes the rotating shaft that is rotatably connected to the inner wall of the device body, the rotating shaft is fixedly connected with the handle outside the outer wall, the inner wall of the device body is fixedly connected with the limit plate, the inner wall of the rotating shaft is fixedly connected with the clamping plate, and the outer wall of the clamping plate is fixedly connected with the reset spring.

[0007] Preferably, the connecting assembly includes the protective bottom frame fixedly connected to the bottom outer wall of the device body, the inner wall of the device body is slidably connected with the built-in cabinet, the front and rear ends of the built-in cabinet are fixedly connected with the connecting rod, and the outer wall of the connecting rod is fixedly connected with the lock disc.

[0008] Preferably, the top assembly comprises a fixed rod fixedly connected to the inner wall of the limiting sliding groove opened on the outer wall of the device body, a connecting spring is sleeved on the outer wall of the fixed rod, a sliding frame is slidingly connected to the outer wall of the fixed rod, a rotating shaft is fixedly connected to the outer end of the sliding frame, a top frame is rotationally connected to the outer wall of the rotating shaft, a fixed handle is fixedly connected to the top of the top frame, a moving rod is slidingly connected to the inner wall of the top frame, a pressing plate is fixedly connected to the bottom of the moving rod, and a pushing spring is sleeved on the outer wall of the moving rod.

[0009] Preferably, the clamping plate is connected to the inner wall of the limiting sliding groove opened on the limiting plate, and the other end of the reset spring is rotationally connected to the inner wall of the device body; when it is necessary to release the limiting, the rotating handle is rotated, the rotating shaft is rotated, the clamping plate fixedly connected to the outer wall of the rotating handle is rotated, and the clamping plate is slid out of the limiting sliding opening of the lock disc.

[0010] Preferably, the limiting clamping openings are uniformly arranged on the outer wall of the lock disc, and the inner wall of the limiting clamping opening is slidingly connected to the outer wall of the clamping plate.

[0011] Preferably, the sliding frame is slidingly connected to the inner wall of the limiting sliding groove opened on the outer wall of the device body.

[0012] Preferably, the pressing plate is received on the top of the built-in cabinet; the pushing spring is sleeved on the outer wall of the moving rod slidingly connected to the inner wall of the top frame, the pushing spring pushes the pressing plate at the bottom to abut against the top of the built-in cabinet, the built-in cabinet is limited in the inner cavity of the device body, and safety protection is facilitated when the built-in cabinet is overhauled.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The looped netowrk cabinet locking device, the inner wall of the limiting plate fixedly connected to the inner wall of the device body is connected with the clamping plate, the reset spring rotationally connected to the inner wall of the device body drives the fixedly connected clamping plate to deflect, the fixedly connected reset spring is slid into the limiting clamping opening of the lock disc, the built-in cabinet is limited and installed, when it is necessary to release the limiting, the rotating handle is rotated, the rotating shaft is rotated, the clamping plate fixedly connected to the outer wall of the rotating handle is rotated, the clamping plate is slid out of the limiting sliding opening of the lock disc, and the dangerous behavior of directly opening the inner cavity and overhauling internal elements can be avoided.

[0015] 2. The ring net cabinet locking device, the movable slide frame slides on the outer wall of the fixed rod, and the rotating shaft fixedly connected to the outer wall of the slide frame moves, the top frame fixedly connected to the top of the outer wall of the rotating shaft is rotatably connected with the fixed handle, the rotatably connected fixed handle moves the connected top frame to rotate on the top of the device body, the outer wall sleeve of the connected movable rod of the inner wall of the connected top frame is sleeved with the push spring, the connected push spring pushes the bottom pressing plate to abut on the top of the built-in cabinet, and the connected built-in cabinet is limited in the inner cavity of the device body, so that the user can safely protect the built-in cabinet during maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a schematic view of the local explosion structure of the utility model;

[0018] Figure 3 It is a schematic view of the Figure 2 enlarged structure of the middle A of the utility model;

[0019] Figure 4 It is a schematic view of the local enlarged structure of the utility model.

[0020] In the figure: 1, device body; 2, connecting mechanism; 21, connecting assembly; 211, protection bottom frame; 212, built-in cabinet; 213, connecting rod; 214, lock disc; 22, top assembly; 221, fixed rod; 222, connecting spring; 223, slide frame; 224, rotating shaft; 225, top frame; 226, fixed handle; 227, movable rod; 228, pressing plate; 229, push spring; 23, locking assembly; 231, movable shaft; 232, handle; 233, limiting plate; 234, clamping plate; 235, reset spring. DETAILED DESCRIPTION

[0021] 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, not 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 scope of protection of the utility model.

[0022] Please refer to Figures 1-4The utility model provides a technical solution: Example 1: A ring network cabinet locking device includes a device body 1, the device body 1 is provided with a connecting mechanism 2, the connecting mechanism 2 includes a connecting component 21 arranged in the middle section of the device body 1, the upper section of the device body 1 is provided with a top component 22, the connecting component 21 is connected to the locking component 23; the locking component 23 includes a swing shaft 231 rotatably connected to the inner wall of the device body 1, the outer wall of the swing shaft 231 is fixedly connected to a turning handle 232, the inner wall of the device body 1 is fixedly connected to a limit plate 233, the inner outer wall of the swing shaft 231 is fixedly connected to a clamping plate 234, and the outer wall of the clamping plate 234 is fixedly connected to a reset spring 235.

[0023] In this embodiment, the inner wall of the limit plate 233 fixedly connected to the inner wall of the device body 1 is connected with a card plate 234, and the reset spring 235 rotatably connected to the inner wall of the device body 1 drives the fixedly connected card plate 234 to deflect, and the fixedly connected reset spring 235 slides into the inner wall of the limit card slot evenly opened on the lock disk 214, and limits the connected built-in cabinet 212. When the limit needs to be released, the connected turn handle 232 is rotated, and the fixedly connected rotating shaft 231 is rotated, driving the card plate 234 fixedly connected to the outer wall of the turn handle 232 to rotate, and the connected card plate 234 then slides out of the inner wall of the limit sliding slot of the lock disk 214, which can avoid the dangerous behavior of directly opening the inner cavity alone to inspect and repair the internal components.

[0024] Furthermore, the clamping plate 234 is hinged to the inner wall of the limiting sliding groove formed in the limiting plate 233 , and the other end of the return spring 235 is rotatably connected to the inner wall of the device body 1 .

[0025] Furthermore, a clamping plate 234 is connected to the inner wall of the limiting plate 233 fixedly connected to the inner wall of the device body 1 , and a return spring 235 rotatably connected to the inner wall of the device body 1 drives the fixedly connected clamping plate 234 to deflect.

[0026] Example 2:

[0027] On the basis of embodiment one, the connecting component 21 includes a protective bottom frame 211 fixedly connected to the bottom outer wall of the device body 1, and the inner wall of the device body 1 is slidably connected to a built-in cabinet 212, the front and rear ends of the built-in cabinet 212 are fixedly connected to a connecting rod 213, and the outer wall of the connecting rod 213 is fixedly connected to a locking disk 214; the top component 22 includes a fixed rod 221 fixedly connected to the inner wall of the limiting sliding groove opened on the outer walls of both sides of the device body 1, the outer wall of the fixed rod 221 is sleeved with a connecting spring 222, the outer wall of the fixed rod 221 is slidably connected to the outer end of the slide 223, and the outer wall of the rotating shaft 224 is rotatably connected to the top frame 225, the top of the top frame 225 is fixedly connected to a fixed handle 226, the inner wall of the top frame 225 is slidably connected to a moving rod 227, the bottom of the moving rod 227 is fixedly connected to a pressure plate 228, and the outer wall of the moving rod 227 is sleeved with a pushing spring 229.

[0028] In this embodiment, the bottom of the connecting device body 1 is fixedly connected with a protective bottom frame 211, which facilitates the protection of the lower section of the device and strengthens the structure; the outer wall of the connecting link rod 213 fixedly connected to the front and rear ends of the built-in cabinet 212 is fixedly connected with a lock disc 214;

[0029] The outer wall of the upper section of the connecting device body 1 is provided with a limiting sliding groove, and the inner wall of the limiting sliding groove is fixedly connected with a fixed rod 221. A connecting spring 222 sleeved on the outer wall of the fixed rod 221 pushes the connecting sliding frame 223 to move. The moving sliding frame 223 slides on the outer wall of the fixed rod 221, and the rotating shaft 224 fixedly connected to the outer wall of the sliding frame 223 moves. The top frame 225 rotatably connected to the outer wall of the rotating shaft 224 is fixedly connected with a fixed handle 226 at the top. The rotatable fixed handle 226 rotates the connected top frame 225 at the top of the device body 1. The outer wall of the moving rod 227 slidably connected to the inner wall of the connected top frame 225 is sleeved with a pushing spring 229. The connected pushing spring 229 pushes the bottom pressing plate 228 to abut against the top of the built-in cabinet 212, limiting the built-in cabinet 212 in the inner cavity of the device body 1, and facilitating the safety protection of the user during the maintenance of the built-in cabinet 212.

[0030] Further, the outer wall of the lock disc 214 is uniformly provided with a limiting clamping hole, and the inner wall of the limiting clamping hole is slidably connected to the outer wall of the clamping plate 234. The sliding frame 223 is slidably connected to the inner wall of the limiting sliding groove provided on the outer wall of the device body 1. The pressing plate 228 is received on the top of the built-in cabinet 212.

[0031] Further, the moving sliding frame 223 slides on the outer wall of the fixed rod 221, and the rotating shaft 224 fixedly connected to the outer wall of the sliding frame 223 moves. The top frame 225 rotatably connected to the outer wall of the rotating shaft 224 is fixedly connected with a fixed handle 226 at the top, and the rotatable fixed handle 226 rotates the connected top frame 225 at the top of the device body 1.

[0032] Working principle: when the ring main unit locking device is actually used, the bottom of the connecting device body 1 is fixedly connected with a protective bottom frame 211, which facilitates the protection of the lower section of the device and strengthens the structure; the outer wall of the connecting link rod 213 fixedly connected to the front and rear ends of the built-in cabinet 212 is fixedly connected with a lock disc 214;

[0033] The outer wall of the upper section of the connected device body 1 is provided with a limiting sliding groove, and the inner wall of the limiting sliding groove is fixedly connected with a fixed rod 221. A connecting spring 222 sleeved on the outer wall of the fixed rod 221 pushes the connected sliding frame 223 to move. The sliding frame 223 moves on the outer wall of the fixed rod 221, and the rotating shaft 224 fixedly connected to the outer wall of the sliding frame 223 is moved. The top frame 225 rotatably connected to the outer wall of the rotating shaft 224 is fixedly connected with a fixed handle 226. The rotatable fixed handle 226 moves the connected top frame 225 to rotate on the top of the device body 1. The outer wall of the moving rod 227 slidably connected to the inner wall of the connected top frame 225 is sleeved with a pushing spring 229. The connected pushing spring 229 pushes the bottom pressing plate 228 to abut against the top of the built-in cabinet 212, so as to limit the connected built-in cabinet 212 in the inner cavity of the device body 1, and facilitate the safety protection of the user to overhaul the built-in cabinet 212.

[0034] The inner wall of the limiting plate 233 fixedly connected to the inner wall of the device body 1 is intersected with a clamping plate 234. The reset spring 235 rotatably connected to the inner wall of the device body 1 drives the fixed clamping plate 234 to deflect. The reset spring 235 slidably connected to the inner wall of the device body 1 is slid into the limiting clamping hole of the lock disc 214, and the built-in cabinet 212 is limited and installed. When it is needed to release the limiting, the handle 232 is rotatably connected, the rotating shaft 231 is rotatably connected, the clamping plate 234 fixedly connected to the outer wall of the handle 232 is rotatably connected, and the clamping plate 234 is rotatably connected. The clamping plate 234 is slid out of the limiting sliding hole of the lock disc 214, so as to avoid the dangerous behavior of directly opening the inner cavity and overhauling the internal elements.

[0035] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

Claims

1. A ring main unit locking device, comprising a device body (1), characterized in that: The device body (1) is provided with a connecting mechanism (2), the connecting mechanism (2) comprises a connecting component (21) provided in the middle section of the device body (1), a top component (22) is provided in the upper section of the device body (1), and the connecting component (21) is connected to a locking component (23); The locking assembly (23) includes a swing shaft (231) rotatably connected to the inner wall of the device body (1); a turning handle (232) is fixedly connected to the outer wall of the swing shaft (231); a limiting plate (233) is fixedly connected to the inner wall of the device body (1); a clamping plate (234) is fixedly connected to the inner outer wall of the swing shaft (231); and a return spring (235) is fixedly connected to the outer wall of the clamping plate (234).

2. A ring main unit locking device according to claim 1, characterized in that: The connecting assembly (21) comprises a protective bottom frame (211) fixedly connected to the outer wall of the bottom of the device body (1); the inner wall of the device body (1) is slidably connected to a built-in cabinet (212); the front and rear ends of the built-in cabinet (212) are fixedly connected to a connecting rod (213); and the outer wall of the connecting rod (213) is fixedly connected to a locking disk (214).

3. The ring main unit locking device according to claim 1, characterized in that: The top assembly (22) comprises a fixed rod (221) fixedly connected to the inner wall of the limiting sliding groove opened on the outer walls of both sides of the device body (1); the outer wall of the fixed rod (221) is sleeved with a connecting spring (222); the outer wall of the fixed rod (221) is slidably connected to the slide (223); the outer end of the slide is fixedly connected to the rotating shaft (224); the outer wall of the rotating shaft (224) is rotatably connected to the top frame (225); the top of the top frame (225) is fixedly connected to a fixed handle (226); the inner wall of the top frame (225) is slidably connected to a moving rod (227); the bottom of the moving rod (227) is fixedly connected to a pressure plate (228); the outer wall of the moving rod (227) is sleeved with a pushing spring (229).

4. The ring main unit locking device according to claim 1, characterized in that: The clamping plate (234) is hinged to the inner wall of the limiting sliding groove provided on the limiting plate (233), and the other end of the return spring (235) is rotatably connected to the inner wall of the device body (1).

5. The ring main unit locking device according to claim 2, characterized in that: The outer wall of the lock plate (214) is evenly provided with limit slots, and the inner walls of the limit slots are slidably connected to the outer wall of the clamping plate (234).

6. The ring main unit locking device according to claim 3, characterized in that: The slide (223) is slidably connected to the inner wall of a limiting slide groove provided on the outer wall of the device body (1).

7. The ring main unit locking device according to claim 3, characterized in that: The pressing plate (228) is supported on the top of the built-in cabinet (212).

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