CN215600901U

CN215600901U - MNS low pressure pull-out type cubical switchboard convenient to winding displacement

Info

Publication number: CN215600901U
Application number: CN202121895436.3U
Authority: CN
Inventors: 刘冰; 朱华林; 洪进; 李磊
Original assignee: Nantong Huawei Power Equipment Co ltd
Current assignee: Nantong Huawei Power Equipment Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-21
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses an MNS low-voltage draw-out type switch cabinet convenient for wire arrangement, which comprises a switch cabinet body, wherein four drawing boxes are installed on the front end surface of the switch cabinet body, limiting drawing sliding blocks of a metal structure are fixed on two sides of each drawing box, which are close to the inner wall of the switch cabinet body, limiting groove rails which are mutually matched are arranged on the outer sides of the limiting drawing sliding blocks, the output end of a small servo motor is connected with a transmission lead screw, a threaded shaft sleeve is sleeved on the transmission lead screw, and an adsorption magnet is fixedly installed on one side, which is close to the limiting drawing sliding blocks, of the threaded shaft sleeve. The drawing box provided by the utility model can realize the drawing opening and closing effect in a manual mode, and meanwhile, the switch of the drawing box can be driven through the magnetic attraction of the adsorption magnet and the limiting drawing slider, so that the double opening effect can be realized, the automatic operation can be realized through the electric opening, and the problem that the switch cabinet needs to be manually contacted in the case of electric leakage is avoided.

Description

MNS low pressure pull-out type cubical switchboard convenient to winding displacement

Technical Field

The utility model relates to the technical field of low-voltage draw-out type switch cabinets, in particular to an MNS low-voltage draw-out type switch cabinet convenient for wire arrangement.

Background

The low-voltage draw-out type switch cabinet is widely applied to power distribution centers PC and motor control centers MCC of power plants, substations, factories, mining enterprises and high-rise buildings, and is used as a low-voltage complete set of power distribution device for power distribution and motor centralized control and reactive compensation in a power generation and supply system with the alternating current of 50-60Hz, the rated working voltage of 660V or below and the rated current of 4000A or below.

The problem that an existing low-voltage draw-out type switch cabinet is single in opening mode cannot achieve manual and automatic opening effects, and meanwhile the problem that wire arrangement is inconvenient exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an MNS low-voltage draw-out type switch cabinet convenient for wire arrangement, which aims to solve the problems that the conventional low-voltage draw-out type switch cabinet in the background art has a single opening mode, cannot achieve the effect of manual and automatic opening and is inconvenient to wire arrangement.

In order to achieve the purpose, the utility model provides the following technical scheme: a MNS low voltage draw-out switchgear for facilitating wiring, comprising:

the switch cabinet comprises a switch cabinet body, wherein four drawing boxes are mounted on the front end face of the switch cabinet body, the two sides of each drawing box, which are close to the inner wall of the switch cabinet body, are respectively fixed with a limiting drawing sliding block of a metal structure, the outer sides of the limiting drawing sliding blocks are provided with limiting groove rails which are mutually matched, the rear end of the inner part of each limiting groove rail is provided with a small servo motor, the small servo motor is fixedly mounted on the inner wall of the switch cabinet body, the output end of the small servo motor is connected with a transmission lead screw, a threaded shaft sleeve is sleeved on the transmission lead screw, and one side of the threaded shaft sleeve, which is close to the limiting drawing sliding block, is fixedly provided with an adsorption magnet;

and the rear cabinet plate is connected to the side wall of the rear end face of the switch cabinet body through a hinge.

Preferably, the adsorption magnet forms a screw rod transmission structure through a threaded shaft sleeve and a small servo motor for driving a screw rod box, and the adsorption magnet is connected with the limiting drawing slider in a magnetic adsorption mode.

Preferably, the drawing box forms a sliding structure with the switch cabinet body through a limiting drawing sliding block and a limiting groove rail, and the rear cabinet plate rotates on the switch cabinet body through a hinge.

Preferably, the cubical switchboard body still is equipped with:

the heat dissipation cabin is arranged at the top end of the interior of the switch cabinet body, circulation holes are formed in the left side and the right side of the heat dissipation cabin, the circulation holes are formed in the side wall of the switch cabinet body, a cover plate is installed at the front end of the heat dissipation cabin, and circulation interlayers are arranged below the left side and the right side of the heat dissipation cabin.

Preferably, the heat dissipation cabin is communicated with the circulation interlayer and the circulation holes, and the cover plate is rotatably opened and closed with the switch cabinet body through a hinge.

Preferably, the switch cabinet body still is equipped with:

the winding shaft is installed at the bottom of the rear end of the switch cabinet body, and return springs are installed at the left end and the right end of the winding shaft.

Preferably, the winding shaft forms an elastic rotating structure with the switch cabinet body through a return spring, and the winding shaft is used for automatically winding the wiring harness.

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

the drawing box provided by the utility model can realize the drawing opening and closing effect in a manual mode, and meanwhile, the switch of the drawing box can be driven through the magnetic attraction of the adsorption magnet and the limiting drawing slider, so that the double opening effect can be realized, the automatic operation can be realized through the electric opening, and the problem that the switch cabinet needs to be manually contacted in the case of electric leakage is avoided.

The rear cabinet plate arranged in the utility model can be opened from the rear end of the low-voltage draw-out type switch cabinet, so that the wiring treatment can be carried out from the rear end of the low-voltage draw-out type switch cabinet, the use convenience of the device can be improved, and meanwhile, the wire harness can be automatically wound through the automatic rotation of the return spring by the winding shaft, so that the problem of the scattering distribution of the wire harness can be avoided, and the wire arrangement and the wiring can be conveniently carried out by workers.

The utility model can achieve the effect of heat dissipation and temperature regulation through the arranged heat dissipation cabin, when the device needs heat dissipation, the cover plate is opened to keep a reasonable temperature in the switch cabinet body, when the room temperature is lower, the cover plate is closed to keep a proper temperature in the switch cabinet body, and meanwhile, the arrangement of the circulating interlayer can lead the temperature in the device to be circularly diffused, thereby avoiding the local temperature abnormity.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic structural view of a connection part of the switch cabinet body and the pull box;

FIG. 3 is a schematic side view of the connection between the driving screw and the threaded sleeve according to the present invention;

FIG. 4 is a schematic view of a rear cabinet panel of the present invention in an expanded configuration;

FIG. 5 is an enlarged view of a portion A of FIG. 4 according to the present invention.

In the figure: 1. a switch cabinet body; 2. a box is drawn out; 3. a cover plate; 4. a flow-through hole; 5. a heat dissipation compartment; 6. circulating the interlayer; 7. a limiting drawing slide block; 8. limiting the groove rail; 9. a small servo motor; 10. a transmission screw rod; 11. a threaded shaft sleeve; 12. adsorbing a magnet; 13. a rear cabinet panel; 14. a winding shaft; 15. and a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an MNS low voltage draw-out type switch cabinet for facilitating wire arrangement includes: four drawing boxes 2 are arranged on the front end face of the switch cabinet body 1, handles are arranged on the front end faces of the four drawing boxes 2, the drawing boxes 2 can be drawn and opened manually by the handles, the two sides of the drawing boxes 2 close to the inner wall of the switch cabinet body 1 are both fixed with limiting drawing sliders 7 of a metal structure, and the outer side of the limiting drawing slide block 7 is provided with a mutually adaptive limiting groove rail 8, the drawing box 2 forms a sliding structure through the limiting drawing slide block 7, the limiting groove rail 8 and the switch cabinet body 1, the drawing box 2 is convenient to slide and draw, the rear end of the inner part of the limiting groove rail 8 is provided with a small servo motor 9, and the small servo motor 9 is fixedly arranged on the inner wall of the switch cabinet body 1, the output end of the small servo motor 9 is connected with a transmission screw rod 10, a threaded shaft sleeve 11 is sleeved on the transmission screw rod 10, and an adsorption magnet 12 is fixedly arranged on one side, close to the limiting drawing slide block 7, of the threaded shaft sleeve 11; adsorption magnet 12 passes through threaded shaft sleeve 11, the small-size servo motor 9 of transmission lead screw 10 box constitutes the screw drive structure, adsorption magnet 12 is connected with spacing pull slider 7 magnetic adsorption, the switch of pull box 2 also can be driven through the magnetic attraction of adsorption magnet 12 with spacing pull slider 7 simultaneously, thereby can realize the effect of dual opening, and also can reach the lower of automatic operation through electronic opening, when avoiding the electric leakage, need the problem of manual contact cubical switchboard.

As shown in fig. 1 and 4, an MNS low voltage draw-out switchgear for facilitating wire routing includes: the rear cabinet plate 13 is connected to the side wall of the rear end face of the switch cabinet body 1 through a hinge, the rear cabinet plate 13 rotates on the switch cabinet body 1 through a hinge, the arranged rear cabinet plate 13 can be opened from the rear end of the low-voltage draw-out switch cabinet, so that the wiring processing can be carried out from the rear end of the low-voltage draw-out switch cabinet, the convenience of the device can be improved, the switch cabinet body 1 is also provided with a heat dissipation cabin 5 which is arranged at the top end of the interior of the switch cabinet body 1, the left side and the right side of the heat dissipation cabin 5 are both provided with circulation holes 4, the circulation holes 4 are arranged on the side wall of the switch cabinet body 1, the front end of the heat dissipation cabin 5 is provided with a cover plate 3, the cover plate 3 is rotatably opened and closed between the hinge and the switch cabinet body 1, the effect of heat dissipation and temperature regulation can be achieved through the arranged heat dissipation cabin 5, when the device needs heat dissipation, the cover plate 3 is opened to keep a reasonable temperature in the switch cabinet body 1, when the room temperature is low, a proper temperature is kept in the switch cabinet body 1 by closing the cover plate 3, the circulation interlayer 6 is arranged below the left side and the right side of the heat dissipation cabin 5, the circulation interlayer 6 and the circulation holes 4 are communicated with each other, the internal temperature of the device can be circularly diffused by the arrangement of the circulation interlayer 6, and the local temperature abnormity is avoided.

As shown in fig. 1 and 4-5, an MNS low voltage draw-out switchgear for facilitating wiring, comprises: the winding shaft 14 is arranged at the bottom of the rear end of the switch cabinet body 1, return springs 15 are arranged at the left end and the right end of the winding shaft 14, the winding shaft 14 forms an elastic rotating structure with the switch cabinet body 1 through the return springs 15, the winding shaft 14 is used for automatically winding the wiring harness, and meanwhile, the winding shaft 14 arranged can automatically wind the wiring harness through automatic rotation of the return springs 15, so that the problem that the wiring harness is scattered and distributed can be avoided, and further, workers can conveniently manage and arrange the wiring.

The working principle is as follows: firstly, when in use, the cover plate 3 can be opened or closed according to the requirement of the environment temperature, the external temperature can be exchanged with the temperature in the heat dissipation cabin 5 and the circulation interlayer 6 through the circulation hole 4, the circulation effect of the temperature in the switch cabinet body 1 can be improved through the arrangement of the circulation interlayer 6, the local temperature overheating is avoided, when the pull box 2 needs to be opened, the pull box can be opened in a manual or electric mode, when the pull box is opened manually, the adsorption magnet 12 can be separated from the limit pull slide block 7 through pulling the handle, the effect of manually opening the pull box 2 can be achieved through the sliding of the limit pull slide block 7 in the limit groove rail 8, when the pull box 2 is opened without contacting the switch cabinet body 1, the small servo motor 9 is started, the small servo motor 9 drives the thread shaft sleeve 11 to move through the transmission screw rod 10, the adsorption magnet 12 arranged on the thread shaft sleeve 11 can adsorb the limit pull slide block 7, thereby can drive pull box 2 and slide in spacing grooved rail 8 to this reaches the effect of automatic opening pull box 2, when needs winding displacement wiring, opens back cabinet board 13, can conveniently lay wire at the cubical switchboard body 1 rear end, twines the pencil of overlength on rolling axle 14 simultaneously, with this rotation through rolling axle 14 can the rolling pencil, makes arranging of pencil clearer, avoids appearing the pencil and arranges in disorder, disturbs the problem of winding displacement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 MNS low pressure pull-out type cubical switchboard convenient to winding displacement which characterized in that includes:

the switch cabinet comprises a switch cabinet body (1), wherein four drawing boxes (2) are mounted on the front end face of the switch cabinet body (1), limiting drawing sliders (7) of a metal structure are fixed on two sides of each drawing box (2) close to the inner wall of the switch cabinet body (1), limiting groove rails (8) which are matched with each other are arranged on the outer sides of the limiting drawing sliders (7), a small servo motor (9) is mounted at the rear end of the inner part of each limiting groove rail (8), the small servo motor (9) is fixedly mounted on the inner wall of the switch cabinet body (1), the output end of the small servo motor (9) is connected with a transmission lead screw (10), a threaded shaft sleeve (11) is sleeved on the transmission lead screw (10), and an adsorption magnet (12) is fixedly mounted on one side, close to the limiting drawing sliders (7), of the threaded shaft sleeve (11);

and the rear cabinet plate (13) is connected to the side wall of the rear end face of the switch cabinet body (1) through a hinge.

2. The MNS low-voltage draw-out type switch cabinet convenient for wire arrangement according to claim 1, characterized in that the adsorption magnet (12) forms a screw rod transmission structure through a threaded shaft sleeve (11) and a transmission screw rod (10) and a small servo motor (9), and the adsorption magnet (12) is connected with the limit drawing slide block (7) in a magnetic adsorption mode.

3. The MNS low-voltage draw-out type switch cabinet convenient for wire arrangement according to claim 1, characterized in that the drawing box (2) and the switch cabinet body (1) form a sliding structure through a limit drawing slide block (7) and a limit groove rail (8), and the rear cabinet plate (13) rotates on the switch cabinet body (1) through a hinge.

4. The MNS low-voltage draw-out type switch cabinet convenient for winding according to claim 1, characterized in that the switch cabinet body (1) is further provided with:

the heat dissipation cabin (5) is arranged on the top end inside the switch cabinet body (1), circulation holes (4) are formed in the left side and the right side of the heat dissipation cabin (5), the circulation holes (4) are formed in the side wall of the switch cabinet body (1), the cover plate (3) is installed at the front end of the heat dissipation cabin (5), and the circulation interlayer (6) is arranged below the left side and the right side of the heat dissipation cabin (5).

5. The MNS low-voltage draw-out type switch cabinet convenient for wire arrangement according to claim 4, characterized in that the heat dissipation cabin (5) is communicated with the circulation interlayer (6) and the circulation hole (4), and the cover plate (3) is rotatably opened and closed with the switch cabinet body (1) through a hinge.

6. The MNS low-voltage draw-out type switch cabinet convenient for winding according to claim 1, characterized in that the switch cabinet body (1) is further provided with:

the winding shaft (14) is installed at the bottom of the rear end of the switch cabinet body (1), and return springs (15) are installed at the left end and the right end of the winding shaft (14).

7. The MNS low-voltage draw-out type switch cabinet convenient for wiring according to claim 6, characterized in that the winding shaft (14) is in an elastic rotating structure with the switch cabinet body (1) through a return spring (15), and the winding shaft (14) is used for automatically winding wiring harnesses.