CN220822378U

CN220822378U - Ring main unit

Info

Publication number: CN220822378U
Application number: CN202322477749.2U
Authority: CN
Inventors: 李冰; 李敬纲; 李玉祥; 郭克伟; 赵刚; 金瑞生; 付新杰; 沈正男; 孙会清; 孟宪彬
Original assignee: Jinan Zengcheng Power Engineering Co ltd
Current assignee: Jinan Zengcheng Power Engineering Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-19
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a ring main unit, which comprises a box body, wherein an installation cavity is formed in the box body, a movable cavity is formed in the bottom end of the installation cavity, a screw rod is movably arranged in the movable cavity through a bearing, one end of the screw rod penetrates through the box body and is arranged outside the box body, movable blocks are sleeved on two sides of the screw rod, the top ends of the movable blocks penetrate through the box body and are arranged in the movable cavity, through the use of the device, a limiting block can be firmly arranged in a limiting groove through a telescopic rod and a spring, so that a cooling fan is firmly arranged on one side of the installation groove, and through the arc-shaped arrangement of the limiting block and the limiting groove, the cooling fan can be conveniently replaced, the use convenience of the cooling fan is improved, the movable plate is driven to move through the screw rod, different electric elements can be firmly arranged between a fixed plate and the movable plate, the operation is simple and convenient, and the stability of the electric elements is improved when the device is used.

Description

Ring main unit

Technical Field

The utility model belongs to the technical field of ring main units, and particularly relates to a ring main unit.

Background

The ring main unit, also called a ring main unit, is a group of power transmission and distribution electrical equipment, is arranged in a metal or nonmetal insulating cabinet body or is made into an electric equipment of an assembled spacing ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely used in distribution stations and box-type substations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like.

For example, the authorized bulletin number CN209329456U is a ring main unit disclosed, which, although realizing that the heat emitted by the power supply element body during operation is rapidly emitted by arranging the heat dissipation holes, improves the stability of the power supply element body during operation, improves the use safety of the ring main unit and prolongs the service life of the power supply element body, but does not solve the problems that the use of the heat dissipation fan is not convenient enough and the heat dissipation fan is not stable enough in the device; the electric elements with different sizes are not convenient enough to fix in the device, the stability of the electric elements is not enough, and the like, so that the ring main unit is provided.

Disclosure of utility model

The present utility model is directed to a ring main unit, so as to solve 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 ring main unit comprises a box body, wherein an installation cavity is formed in the box body, a movable cavity is formed in the bottom end of the installation cavity, a screw rod is movably arranged in the movable cavity through a bearing, one end of the screw rod penetrates through the box body and is arranged outside the box body, movable blocks are sleeved on two sides of the screw rod, the top ends of the movable blocks penetrate through the box body and are arranged in the movable cavity, movable plates are fixedly arranged on the top ends of the movable blocks, fixed plates are fixedly arranged on two sides of the installation cavity, heat dissipation gaskets are fixedly arranged on one sides of the movable plates and one side of the fixed plates, an installation groove is formed in one side of the installation cavity, an installation block is arranged in the installation groove, the utility model discloses a device, including installation piece, recess, telescopic link, locating piece, hinge activity, box, vent hole inside is provided with the recess, recess one side is fixed to be provided with the telescopic link, the telescopic link outside cover is equipped with the spring, the telescopic link's flexible end and stopper fixed connection, the spacing groove has been seted up to the installation piece both sides, stopper one end sets up inside the spacing groove, box one side is provided with the device door through the hinge activity, the vent hole has been seted up to device door bottom, the inside fixed dust screen that is provided with of vent hole, the fixed observation window that is provided with in device door top.

Preferably, one end of the screw is fixedly provided with a crank.

Preferably, threads at two ends of the screw are opposite.

Preferably, the two sides of the limiting block are fixedly provided with sliding blocks, the two sides of the groove are provided with sliding grooves, and one side of each sliding block is movably arranged in each sliding groove.

Preferably, one end of the limiting block is arranged in an arc shape, and the limiting groove is arranged in an arc shape.

Preferably, a handle is fixedly arranged on one side of the device door.

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

(1) According to the utility model, the cooling fan is arranged on one side of the mounting groove according to the requirements, the limiting block is pushed by the telescopic rod and the spring, so that the limiting block is firmly arranged in the limiting groove, the cooling fan can be firmly arranged on one side of the mounting groove, when the cooling fan needs to be replaced, the cooling fan can be taken out by directly pulling the cooling fan, then a new cooling fan is arranged on one side of the mounting groove, the limiting block can be firmly arranged in the limiting groove through the telescopic rod and the spring, the cooling fan is firmly arranged on one side of the mounting groove, and the cooling fan is conveniently replaced by the arc arrangement of the limiting block and the limiting groove, so that the use convenience of the cooling fan is improved.

(2) According to the utility model, the required electrical components are placed between the fixed plate and the movable plate, the crank is rotated, the movable plate is driven to move through the rotation of the screw rod, the electrical components are fixed between the fixed plate and the movable plate, through the device, the movable plate is driven to move through the screw rod, different electrical components can be stably arranged between the fixed plate and the movable plate, the operation is simple and convenient, and the stability of the electrical components is improved when the device is used.

Drawings

FIG. 1 is a side view of a ring main unit;

FIG. 2 is a schematic diagram of the overall structure of a ring main unit;

FIG. 3 is a schematic diagram of a door assembly of the ring main unit;

FIG. 4 is an enlarged view of ring main unit at A in FIG. 1;

In the figure: 1. a case; 2. a mounting cavity; 3. a movable cavity; 4. a screw; 5. a movable block; 6. a movable plate; 7. a fixing plate; 8. a heat dissipation gasket; 9. a mounting groove; 10. a mounting block; 11. a heat radiation fan; 12. a groove; 13. a limiting block; 14. a telescopic rod; 15. a spring; 16. a limit groove; 17. a device door; 18. a vent hole; 19. a dust screen; 20. an observation window; 21. a crank; 22. a slide block; 23. a chute; 24. a handle.

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.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a ring main unit technical scheme:

A ring main unit comprises a box body 1, wherein a mounting cavity 2 is arranged in the box body 1, a movable cavity 3 is arranged at the bottom end of the mounting cavity 2, a screw 4 is movably arranged in the movable cavity 3 through a bearing, one end of the screw 4 penetrates through the box body 1 and is arranged outside the box body 1, movable blocks 5 are sleeved on two sides of the screw 4, the top ends of the movable blocks 5 penetrate through the box body 1 and are arranged in the movable cavity 3, movable plates 6 are fixedly arranged at the top ends of the movable blocks 5, fixed plates 7 are fixedly arranged on two sides of the mounting cavity 2, through the device, the movable blocks 5 can be moved by rotating the screw 4 to drive the movable plates 6 to move so as to fix an electrical element between the fixed plates 7 and the movable plates 6, a heat dissipation gasket 8 is fixedly arranged on one side of each of the movable plates 6 and the fixed plates 7, the heat dissipation efficiency of the electrical element is improved through the heat dissipation gasket 8, a mounting groove 9 is formed in one side of the mounting cavity 2, a mounting block 10 is arranged in the mounting groove 9, the cooling fan 11 is fixedly arranged at one end of the installation block 10, the grooves 12 are formed at two sides of the installation groove 9, the limiting blocks 13 are arranged in the grooves 12, the telescopic rods 14 are fixedly arranged at one side of the grooves 12, the springs 15 are sleeved outside the telescopic rods 14, the telescopic ends of the telescopic rods 14 are fixedly connected with the limiting blocks 13, the limiting grooves 16 are formed at two sides of the installation block 10, one ends of the limiting blocks 13 are arranged in the limiting grooves 16, through the device, the limiting blocks 13 can be pushed by the telescopic rods 14 and the springs 15 to be firmly in the limiting grooves 16, the cooling fan 11 is firmly fixed at one side of the installation groove 9, the device door 17 is movably arranged at one side of the box body 1, the vent holes 18 are formed at the bottom ends of the device door 17, the dustproof net 19 is fixedly arranged in the vent holes 18, the observation window 20 is fixedly arranged at the top ends of the device door 17, the inside condition of the box body 1 can be observed through the observation window 20, the air inside the box body 1 is exchanged with the outside air through the vent hole 18, and part of dust can be prevented from entering the inside of the installation cavity 2 through the dust screen 19.

In this embodiment, preferably, a crank 21 is fixedly disposed at one end of the screw 4, and the screw 4 is conveniently rotated by the crank 21.

In this embodiment, it is preferable that the threads of both ends of the screw 4 are opposite, so that the movable blocks 5 on both sides of the screw 4 move in opposite directions when the screw 4 rotates.

In this embodiment, preferably, the two sides of the limiting block 13 are fixedly provided with sliding blocks 22, two sides of the groove 12 are provided with sliding grooves 23, and one side of the sliding blocks 22 is movably arranged in the sliding grooves 23, so that the limiting block 13 can slide in the groove 12.

In this embodiment, preferably, one end of the limiting block 13 is in an arc shape, and the limiting groove 16 is in an arc shape, so that the limiting block 13 is conveniently taken out from the limiting groove 16.

In this embodiment, preferably, a handle 24 is fixedly provided on one side of the device door 17, and the device door 17 is conveniently moved by the handle 24.

The working principle and the using flow of the utility model are as follows: during the use, place required electrical components between fixed plate 7 and fly leaf 6, rotate crank 21 again, rotate through screw rod 4, drive fly leaf 6 and remove, fix electrical components between fixed plate 7 and fly leaf 6, through above-mentioned device, drive fly leaf 6 through screw rod 4 and remove, can stabilize different electrical components between fixed plate 7 and fly leaf 6, easy operation is convenient, has improved electrical components's steadiness when the device is used.

Install radiator fan 11 to mounting groove 9 one side according to the demand, promote stopper 13 through telescopic link 14 and spring 15, make stopper 13 firm in spacing groove 16 inside, can stabilize radiator fan 11 in mounting groove 9 one side, then close starting drive with device door 17, can improve the radiating efficiency to electrical components through radiator fan 11 and radiator spacer 8 combination use, can observe the inside electrical components service condition of device through viewing window 20, when needs change radiator fan 11, through the arc setting of stopper 13 and spacing groove 16, directly pull radiator fan 11 just can take out radiator fan 11, then install new radiator fan 11 in mounting groove 9 one side, through above-mentioned device, can stabilize stopper 13 in spacing groove 16 inside through telescopic link 14 and spring 15, make radiator fan 11 firm in mounting groove 9 one side, be convenient for change radiator fan 11 through the arc setting of stopper 13 and spacing groove 16, the convenience of use of radiator fan 11 has been improved.

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 utility model provides a looped netowrk case, includes box (1), its characterized in that: the utility model discloses a box, including box (1) and movable cavity (3), box (1) is inside to be seted up install cavity (2), movable cavity (3) have been seted up to install cavity (2) bottom, the inside screw rod (4) that is provided with through the bearing activity of movable cavity (3), screw rod (4) one end passes box (1) and sets up in the box (1) outside, screw rod (4) both sides cover is equipped with movable block (5), movable block (5) top passes box (1) and sets up inside movable cavity (3), movable block (5) top is fixed and is provided with fly leaf (6), install cavity (2) both sides are fixed and are provided with fixed plate (7), the movable plate (6) and the fixed plate (7) are fixedly provided with radiating gaskets (8) on one side, a mounting groove (9) is formed in one side of the mounting cavity (2), a mounting block (10) is mounted in the mounting groove (9), a radiating fan (11) is fixedly arranged at one end of the mounting block (10), grooves (12) are formed in two sides of the mounting groove (9), a limiting block (13) is arranged in the grooves (12), a telescopic rod (14) is fixedly arranged on one side of the grooves (12), a spring (15) is sleeved on the outer side of the telescopic rod (14), and the telescopic end of the telescopic rod (14) is fixedly connected with the limiting block (13), limiting grooves (16) are formed in two sides of the mounting block (10), one end of each limiting block (13) is arranged inside each limiting groove (16), one side of the box body (1) is movably provided with a device door (17) through a hinge, the bottom end of each device door (17) is provided with a vent hole (18), a dustproof net (19) is fixedly arranged in each vent hole (18), and an observation window (20) is fixedly arranged at the top end of each device door (17).

2. A ring main unit as claimed in claim 1, wherein: one end of the screw rod (4) is fixedly provided with a crank (21).

3. A ring main unit as claimed in claim 1, wherein: the threads at the two ends of the screw rod (4) are opposite.

4. A ring main unit as claimed in claim 1, wherein: the sliding blocks (22) are fixedly arranged on two sides of the limiting block (13), sliding grooves (23) are formed in two sides of the groove (12), and one side of each sliding block (22) is movably arranged inside each sliding groove (23).

5. A ring main unit as claimed in claim 1, wherein: one end of the limiting block (13) is in an arc-shaped arrangement, and the limiting groove (16) is in an arc-shaped arrangement.

6. A ring main unit as claimed in claim 1, wherein: a handle (24) is fixedly arranged on one side of the device door (17).