CN113131363A

CN113131363A - Switch cabinet and locking structure thereof

Info

Publication number: CN113131363A
Application number: CN202110469686.9A
Authority: CN
Inventors: 崔永; 段长习; 荆美; 任君; 刘泉; 荣庆玉; 耿凯
Original assignee: Shandong Ndk Co ltd
Current assignee: Shandong Ndk Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-16

Abstract

The invention discloses a switch cabinet and a locking structure thereof, and relates to the technical field of switch cabinets. The invention comprises an outer box, a cabinet door and a locking structure, wherein the cabinet door is connected with the outer box through a hinge. According to the invention, the silicon steel sheet is used, the cabinet door is locked by electrifying the silicon steel sheet to generate magnetic field force, the silicon steel sheet is electrically matched with the hand touch screen, and the cabinet door is controlled by electrifying and powering off the silicon steel sheet, so that the traditional key is replaced, the use is more convenient, and the key loss condition cannot occur; the invention is not easy to generate fatigue yield by using the rack, the gear and the second spring, wherein the second spring replaces the traditional torsion spring structure. According to the invention, through the use of the inner box and the outer box, when the inner box works, heat can be generated in the inner box, then the air exhauster can suck hot air into the interlayer to fill the interlayer, at the moment, the air pressure in the interlayer is higher than the outside, and outside cold air cannot enter the interlayer, so that the cold air cannot be liquefied on the outer wall of the inner box, and the moisture-proof effect is improved.

Description

Switch cabinet and locking structure thereof

Technical Field

The invention belongs to the technical field of switch cabinets, and particularly relates to a switch cabinet and a locking structure thereof.

Background

A switchgear is an electrical apparatus. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The cubical switchboard generally need pay attention to dampproofing when using, avoids the internal circuit short circuit, and except that professional general person can not open the cubical switchboard at will, avoid appearing the accident.

However, the existing switch cabinets are provided with special keys, so that the switch cabinets are troublesome to open once the keys are lost, and the inner walls of the switch cabinets are easy to liquefy in cold weather, so that the interior of the switch cabinets is affected with damp.

Disclosure of Invention

The invention aims to provide a switch cabinet and a locking structure thereof, and solves the problems that the existing switch cabinet is provided with a special key, the switch cabinet is troublesome to open once the key is lost, and the inner wall of the switch cabinet is easy to liquefy in cold weather, so that the interior of the switch cabinet is affected with damp.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a switch cabinet which comprises an outer box and a cabinet door, wherein the cabinet door is connected with the outer box through a hinge, a plurality of heat dissipation holes are formed in the surfaces of two sides of the outer box, one surface of the cabinet door is rotatably connected with a movable handle, a plurality of universal wheels are mounted on the lower surface of the outer box, an inner box is further arranged in the outer box, an interlayer is arranged between the outer box and the inner box, and a plurality of connecting blocks are fixedly connected to the inner surface of the outer box and the outer surface of the inner box; in the structure, the outer box and the inner box are arranged, so that the heat insulation capacity is improved.

Preferably, the inner box is also provided with an exhaust fan, and the exhaust fan is communicated with the interlayer; in the structure, the exhaust fan can suck hot air in the inner box into the interlayer to enable the interlayer to be filled with the hot air, so that the entry of external damp air can be avoided, and the moisture-proof capacity is improved.

Preferably, a hand touch screen is further mounted on one surface of the cabinet door; in the structure, the hand touch screen is used for controlling whether the silicon steel sheet in the locking structure is electrified or not.

A switch cabinet locking structure comprises a shell, a main lock tongue and an auxiliary lock tongue, wherein the main lock tongue and the auxiliary lock tongue are both connected with the shell in a sliding mode; in the structure, the tension of the second spring can strain the main bolt to enable the main bolt to completely enter the shell.

The upper surface of the connecting plate is also fixedly connected with two first guide columns, the two first guide columns are symmetrically distributed along the central line of the connecting plate, the first guide columns are connected with a movable plate, the upper surface of the movable plate is provided with a second guide groove, the first guide columns are in sliding connection with the second guide groove, one end of the movable plate is fixedly connected with a stainless steel sheet, one side of the stainless steel sheet is provided with a silicon steel sheet, the silicon steel sheet is installed on the inner surface of the shell, the silicon steel sheet is also electrically connected with an electric connector, and the electric connector is located on the outer surface of the shell; in the structure, magnetic field force can be generated when the silicon steel sheet is electrified, then the movable plate can move towards the silicon steel sheet under the influence of a magnetic field, and the connecting plate and the main bolt can overcome the tension of the second spring and move outwards to lock the cabinet door.

The auxiliary lock tongue is characterized in that a rack is fixedly connected to the peripheral side face of the auxiliary lock tongue, the rack is meshed with a gear, the gear is fixedly connected with a connecting shaft, one end of the connecting shaft is fixedly connected with the movable handle, and a first spring is further arranged on the peripheral side face of the auxiliary lock tongue; in the structure, the auxiliary lock tongue can be indirectly driven into the shell by rotating the movable handle.

Preferably, one end of the auxiliary lock tongue is further provided with two blocking pieces, the first spring is arranged between the blocking pieces, and one of the blocking pieces abuts against the outer surface of the shell; in the structure, the blocking piece can play a limiting role.

Preferably, the upper surface of the connecting plate is further provided with a first guide groove, the first guide groove is in sliding fit with a second guide column, and the second guide column is fixedly connected with the inner surface of the shell; in the structure, the first guide groove and the second guide column are matched to play a guiding role.

Preferably, the connecting plate is connected with a first bracket in a sliding manner, the auxiliary bolt is connected with a second bracket in a sliding manner, and the first bracket and the second bracket are fixedly connected with the inner surface of the shell; in the structure, the first support and the second support can ensure that the connecting plate and the auxiliary lock tongue slide stably.

Preferably, a ceramic layer is arranged on the periphery of the silicon steel sheet; in the above structure, the ceramic layer may serve as an insulation.

The invention has the following beneficial effects:

1. according to the invention, the silicon steel sheet is used, the cabinet door is locked by electrifying the silicon steel sheet to generate magnetic field force, the silicon steel sheet is electrically matched with the hand touch screen, and the cabinet door is controlled by electrifying and powering off the silicon steel sheet, so that the traditional key is replaced, the use is more convenient, and the key loss condition cannot occur;

2. according to the invention, the rack, the gear and the second spring are used, wherein the second spring replaces the traditional torsion spring structure, so that the situation of fatigue yielding is not easy to occur, and the transmission efficiency of the matching of the rack and the gear is higher;

3. according to the invention, through the use of the inner box and the outer box, when the inner box works, heat can be generated in the inner box, then the air exhauster can suck hot air into the interlayer to fill the interlayer, at the moment, the air pressure in the interlayer is higher than the outside, and outside cold air cannot enter the interlayer, so that the cold air cannot be liquefied on the outer wall of the inner box, and the moisture-proof effect is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic top three-dimensional structure of a switchgear of the present invention;

FIG. 2 is a schematic bottom three-dimensional structure of a switchgear of the present invention;

FIG. 3 is a side view of a switchgear of the present invention;

FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;

FIG. 5 is a three-dimensional structure diagram of a locking device of a switch cabinet of the present invention;

FIG. 6 is a top view of a switchgear locking apparatus of the present invention;

fig. 7 is a side view of a switchgear cabinet locking device of the invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-an outer box, 101-heat dissipation holes, 2-a cabinet door, 201-a hand touch screen, 3-a movable handle, 4-universal wheels, 5-an inner box, 6-an interlayer, 7-a connecting block, 8-an exhaust fan, 9-a housing, 10-a main bolt, 11-a connecting plate, 1101-a first guide groove, 1102-a first guide post, 12-a limiting seat, 13-a movable plate, 1301-a second guide groove, 1302-an electric connector, 14-a first bracket, 15-a stainless steel sheet, 16-a silicon steel sheet, 17-a ceramic layer, 18-an auxiliary bolt, 19-a second bracket, 20-a rack, 21-a first spring, 22-a separation blade, 23-a gear, 24-a connecting shaft, 25-a second guide post and 26-a sliding rod, 27-slider, 28-second 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.

In the description of the present invention, it is to be understood that the terms "upper," "middle," "outer," "inner," "around," and the positional relationships are used merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-7, the invention relates to a switch cabinet, which comprises an outer box 1 and a cabinet door 2, wherein the cabinet door 2 is connected with the outer box 1 through a hinge, a plurality of heat dissipation holes 101 are formed in the surfaces of two sides of the outer box 1, a movable handle 3 is rotatably connected to one surface of the cabinet door 2, a plurality of universal wheels 4 are mounted on the lower surface of the outer box 1, an inner box 5 is further arranged in the outer box 1, an interlayer 6 is arranged between the outer box 1 and the inner box 5, and a plurality of connecting blocks 7 are fixedly connected to the inner surface of the outer box 1 and the outer surface of the; in the above structure, the heat insulation capability is improved by providing the outer box 1 and the inner box 5.

Further, the inner box 5 is also provided with an exhaust fan 8, and the exhaust fan 8 is communicated with the interlayer 6; in the structure, the exhaust fan 8 can suck hot air in the inner box 5 into the interlayer 6 to fill the interlayer 6, so that external damp air can be prevented from entering, and the damp-proof capacity is improved.

Further, a hand touch screen 201 is further installed on one surface of the cabinet door 2; in the above structure, the hand touch screen 201 is used to control whether to energize the silicon steel sheets 16 in the locking structure.

A switch cabinet locking structure comprises a shell 9, a main bolt 10 and an auxiliary bolt 18, wherein the main bolt 10 and the auxiliary bolt 18 are both connected with the shell 9 in a sliding mode, one end of the main bolt 10 is fixedly connected with a connecting plate 11, the connecting plate 11 is located inside the shell 9, one end of the connecting plate 11 is fixedly connected with a sliding rod 26, one end of the sliding rod 26 is fixedly connected with a sliding block 27, the sliding block 27 is connected with a limiting seat 12 in a sliding mode, the limiting seat 12 is fixedly connected with the inner surface of the shell 9, and a second spring 28 is fixedly connected between one surface of the sliding block 27 and the; in the above configuration, the tension of second spring 28 will tension main bolt 10 completely into housing 9.

The upper surface of the connecting plate 11 is further fixedly connected with two first guide columns 1102, the two first guide columns 1102 are symmetrically distributed along the central line of the connecting plate 11, the first guide columns 1102 are connected with a movable plate 13, the upper surface of the movable plate 13 is provided with a second guide groove 1301, the first guide columns 1102 are slidably connected with the second guide groove 1301, one end of the movable plate 13 is fixedly connected with a stainless steel sheet 15, one side of the stainless steel sheet 15 is provided with a silicon steel sheet 16, the silicon steel sheet 16 is installed on the inner surface of the shell 9, the silicon steel sheet 16 is further electrically connected with an electric connector 1302, and the electric connector 1302 is located on the outer; in the above-mentioned structure, can produce magnetic field force when silicon steel sheet 16 circular telegram, then movable plate 13 can move toward silicon steel sheet 16 under the influence of magnetic field, and connecting plate 11 and main bolt 10 can overcome the pulling force of second spring 28 and outwards move this moment, lock cabinet door 2.

The side surface of the auxiliary bolt 18 is fixedly connected with a rack 20, the rack 20 is meshed with a gear 23, the gear 23 is fixedly connected with a connecting shaft 24, one end of the connecting shaft 24 is fixedly connected with the movable handle 3, and the side surface of the auxiliary bolt 18 is also provided with a first spring 21; in the structure, the movable handle 3 is rotated to indirectly drive the auxiliary bolt 18 to enter the shell 9.

Furthermore, one end of the auxiliary lock tongue 18 is also provided with two blocking pieces 22, the first spring 21 is arranged between the blocking pieces 22, and one of the blocking pieces 22 is abutted against the outer surface of the shell 9; in the above structure, the blocking piece 22 can play a limiting role.

Furthermore, the upper surface of the connecting plate 11 is further provided with a first guide groove 1101, the first guide groove 1101 is in sliding fit with a second guide post 25, and the second guide post 25 is fixedly connected with the inner surface of the housing 9; in the above structure, the first guide groove 1101 and the second guide post 25 cooperate to perform a guiding function.

Furthermore, the connecting plate 11 is slidably connected with a first bracket 14, the auxiliary latch 18 is slidably connected with a second bracket 19, and the first bracket 14 and the second bracket 19 are both fixedly connected with the inner surface of the shell 9; in the above structure, the first bracket 14 and the second bracket 19 can ensure the stable sliding of the connecting plate 11 and the auxiliary latch 18.

Further, a ceramic layer 17 is arranged on the periphery of the silicon steel sheet 16; in the above structure, the ceramic layer 17 may function as an insulator.

Referring to fig. 1-4, when working, heat is generated in the inner box 5, then the exhaust fan 8 pumps hot air into the partition 6 to fill the partition 6, at this time, the air pressure in the partition 6 is higher than the outside, and outside cold air does not enter the partition 6, so that the cold air does not liquefy on the outer wall of the inner box 5, thereby improving the moisture-proof effect.

As shown in fig. 5-7, when the silicon steel sheet 16 is energized, a large magnetic field force is generated, and at this time, the silicon steel sheet 16 adsorbs the stainless steel sheet 15 to be closely attached to the stainless steel sheet, in this process, the movable plate 13 moves towards both sides, and the first guide post 1102 on the connecting plate 11 slides along the second guide groove 1301, so that the main bolt 10 moves outwards, and the cabinet door 2 is locked; in addition, when the movable handle 3 is rotated, the connecting shaft 24 and the gear 23 rotate along with the movable handle, the gear 23 drives the rack 20 to move, and the rack 20 drives the auxiliary bolt 18 to move towards the inside of the casing 9, so that the cabinet door 2 can be opened.

It should be further explained that, as shown in fig. 1 and 5, the hand touch screen 201 is electrically connected to the silicon steel sheet 16, and the silicon steel sheet 16 is electrified by modifying the hand touch screen 201 during use, so as to lock the cabinet door 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a switch cabinet, includes outer container (1) and cabinet door (2), cabinet door (2) pass through hinged joint with outer container (1), a plurality of louvres (101) have been seted up on outer container (1) both sides surface, cabinet door (2) surface is rotated and is connected with activity handle (3), outer container (1) surface mounting has a plurality of universal wheels (4), its characterized in that:

still be provided with inner box (5) in outer container (1), outer container (1) and inner box (5) are provided with interlayer (6), outer container (1) internal surface and inner box (5) surface fixed connection have a plurality of connecting blocks (7).

2. A switchgear cabinet as claimed in claim 1, characterized in that said inner box (5) is further equipped with an exhaust fan (8), said exhaust fan (8) being in communication with the compartment (6).

3. A switchgear cabinet according to claim 1, characterized in that a hand touch screen (201) is also mounted on a surface of said cabinet door (2).

4. The utility model provides a cubical switchboard locking structure, includes shell (9), main spring bolt (10) and vice spring bolt (18) all with shell (9) sliding connection, its characterized in that:

one end of the main bolt (10) is fixedly connected with a connecting plate (11), the connecting plate (11) is positioned inside the shell (9), one end of the connecting plate (11) is fixedly connected with a sliding rod (26), one end of the sliding rod (26) is fixedly connected with a sliding block (27), the sliding block (27) is slidably connected with a limiting seat (12), the limiting seat (12) is fixedly connected with the inner surface of the shell (9), and a second spring (28) is fixedly connected between one surface of the sliding block (27) and the shell (9);

the upper surface of the connecting plate (11) is further fixedly connected with two first guide columns (1102), the two first guide columns (1102) are symmetrically distributed on the center line of the connecting plate (11), the first guide columns (1102) are connected with a movable plate (13), a second guide groove (1302) is formed in the upper surface of the movable plate (13), the first guide columns (1102) are connected with the second guide groove (1302) in a sliding mode, one end of the movable plate (13) is fixedly connected with a stainless steel sheet (15), a silicon steel sheet (16) is arranged on one side of the stainless steel sheet (15), the silicon steel sheet (16) is installed on the inner surface of the shell (9), the silicon steel sheet (16) is further electrically connected with an electric connector (1302), and the electric connector (1302) is located on the outer surface of the shell (9);

vice spring bolt (18) week side fixedly connected with rack (20), rack (20) meshing has gear (23), gear (23) fixedly connected with connecting axle (24), connecting axle (24) one end and activity handle (3) fixed connection, vice spring bolt (18) week side still is provided with first spring (21).

5. The switch cabinet locking structure according to claim 4, wherein one end of the auxiliary bolt (18) is further provided with two blocking pieces (22), the first spring (21) is arranged between the blocking pieces (22), and one of the blocking pieces (22) abuts against the outer surface of the housing (9).

6. The switch cabinet locking structure according to claim 4, wherein a first guide groove (1101) is further formed in the upper surface of the connecting plate (11), a second guide column (25) is slidably fitted in the first guide groove (1101), and the second guide column (25) is fixedly connected with the inner surface of the housing (9).

7. A switch cabinet locking structure according to claim 4, characterized in that the connecting plate (11) is slidably connected with a first bracket (14), the auxiliary bolt (18) is slidably connected with a second bracket (19), and the first bracket (14) and the second bracket (19) are both fixedly connected with the inner surface of the housing (9).

8. The switch cabinet locking structure according to claim 4, wherein a ceramic layer (17) is disposed around the silicon steel sheet (16).