CN219181006U

CN219181006U - Panel adjusting device of protection type power distribution cabinet

Info

Publication number: CN219181006U
Application number: CN202223304634.5U
Authority: CN
Inventors: 曹惠忠; 陈安文
Original assignee: Shanghai Sailstar General Electric Co ltd
Current assignee: Shanghai Sailstar General Electric Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-13
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a panel adjusting device of a protective power distribution cabinet, which belongs to the technical field of low-voltage complete switch equipment and comprises a cabinet body, wherein the front surface of the cabinet body is hinged with a sealing door, an operation protective inner door is arranged in the cabinet body, the middle part of the operation protective inner door is sleeved with a breaker switch, and the breaker switch is arranged on a mounting plate; this protection type switch board's panel adjusting device through the setting of long distance slide hole, realizes the full coverage to the installation requirement of different specification circuit breaker switch, because interior door stand and mounting panel all adopt the general section bar of C type, and the same with the support column section bar that the internal four corners department of cabinet set up, the standardized design and the management of product of being convenient for adopt the transition installing support simultaneously can realize the stepless regulation around the installation, need not the mounting panel of numerous specifications of installation height design for circuit breaker switch, avoid design error, improve design correct rate and efficiency greatly, and can realize standardized design.

Description

Panel adjusting device of protection type power distribution cabinet

Technical Field

The utility model belongs to the technical field of low-voltage complete switch equipment, and particularly relates to a panel adjusting device of a protective power distribution cabinet.

Background

In recent years, along with the continuous improvement of the requirements of users on the operation safety, convenience and the like of low-voltage distribution products, a plurality of complete power distribution equipment manufacturing companies push out a safety protection type low-voltage switch cabinet, the basic principle is that the power distribution cabinet is provided with a perspective or solid outer door to realize the first protection, meanwhile, an operation protection inner door is additionally arranged, an operator is completely isolated from a charged body in the cabinet, the complete electric shock protection is realized, and then the operation handles of the wire inlet and outlet switches in the cabinet are exposed on the inner door, so that the operation is convenient, and the safety is ensured.

However, the problem caused by the structure is that all front panels of the distribution switch in the cabinet are required to be completely matched with the operation inner door, the current commonly used feed switch mainly comprises a Molded Case Circuit Breaker (MCCB) and a Miniature Circuit Breaker (MCB), the current of the molded case circuit breaker is divided into a plurality of current levels from 63A to 630A, the appearance size and the front and rear mounting size of the circuit breakers with different current levels are different, even if the sizes of manufacturing plants with different current levels are different, the whole set of equipment manufacturers are required to design and manufacture mounting strips or mounting plates with various depth sizes to adapt to the mounting of all the manufacturers and all the current level switches so as to ensure that the switch operation surfaces keep the same plane and the reference mounting surfaces of all the in-out and in-out switches, great trouble is brought to the standardized design, management and manufacturing and mounting of products, and metal plates are scrapped due to the fact that technical samples are wrong or the design is slightly negligent; further, the mode that is equipped with the multilayer sealing strip in the side that is close to the cabinet body at the door frame at present mostly plays sealed effect to cabinet door seal structure's setting, but along with the influence of the frequent opening and shutting of cabinet door and cabinet internal temperature, easily causes the sealing strip condition of ageing, makes the fatigue resistance of sealing strip drop sharply, influences its sealed effect.

Disclosure of Invention

In order to overcome the defects, the utility model provides the panel adjusting device of the protective power distribution cabinet, which solves the problems that the switch operation surface keeps the same plane and the reference installation surfaces of all the inlet and outlet switches are the same, great trouble is brought to standardized design, management, manufacturing and installation of products, and metal plates are scrapped due to error of technical samples or neglect of design; further, the sealing structure of the cabinet door is arranged, and at present, a sealing effect is achieved in a mode that a plurality of layers of sealing strips are arranged on one side, close to the cabinet body, of the door frame, but the sealing strips are easy to age along with the frequent opening and closing of the cabinet door and the influence of the temperature in the cabinet body.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the panel adjusting device of the protective power distribution cabinet comprises a cabinet body, wherein the front surface of the cabinet body is hinged with a sealing door; an operation protection inner door is also arranged in the cabinet body; a breaker switch is arranged in the cabinet body, one end of the breaker switch is arranged on the operation protection inner door, and the other end of the breaker switch is arranged on the mounting plate; the two sides of the mounting plate are connected with mounting transition brackets; the two sides in the cabinet body are respectively provided with an inner door supporting component, the back surface of the operation protection inner door is connected with the inner door supporting components through fastening screws, and the installation transition brackets are respectively installed between the opposite inner door supporting components; and one side of the mounting transition support is provided with a sliding hole, and a fastening bolt is sleeved in the sliding hole.

Preferably, the inner door supporting component comprises a first inner door upright post and a second inner door upright post, and a plurality of positioning holes are formed in the first inner door upright post and the second inner door upright post; the operation protection inner door is connected with the second inner door upright post; and the fastening bolt in the sliding hole is in threaded connection with the positioning hole of the first inner door upright post or the positioning hole of the second inner door upright post.

Preferably, the back of sealing door is provided with the seal box, the back of seal box is equipped with the rubber pad, the seal box be connected with sealing mechanism all around, in the sealing mechanism through a plurality of pressurizing assembly with the seal box inner wall is connected.

Preferably, the sealing mechanism comprises an air cushion frame, the air cushion frame is arranged around the sealing box, three rubber sealing frames are arranged outside the air cushion frame, and the air cushion frame is internally communicated with a plurality of pressurizing assemblies.

Further preferably, the pressurizing assembly comprises a sealing cylinder, the sealing cylinder is fixed with the inner side of the sealing box, a piston rod is arranged in the sealing cylinder, and one end of the front face of the piston rod is fixed with the back face of the rubber pad.

Still further preferably, an air duct is arranged outside the sealing cylinder, the air duct penetrates through the sealing box and is communicated with the air cushion frame, and the cross section of the sealing box is U-shaped.

Preferably, a plurality of cable strips are arranged on two sides of the cabinet body.

Preferably, an observation window is arranged in the middle of the sealing door.

Preferably, the mounting transition bracket is of an L-shaped structure.

Preferably, the materials of the first inner door upright post, the second inner door upright post and the mounting plate are C-shaped universal sectional materials, and the materials are the same as the supporting column sectional materials arranged at four corners in the cabinet body.

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

1. according to the utility model, the breaker switch is arranged in the operation protection inner door, when the position of the breaker switch is required to be adjusted, the fastening bolt is screwed, so that the fastening bolt is far away from the installation transition support, the installation transition support is in a free sliding state, the installation transition support can be driven to move through the mounting plate in the process of pushing the breaker switch, a sliding hole on the installation transition support slides outside the fastening bolt, when the position of the breaker switch is adjusted, the alignment of the breaker switch and other panels in the cabinet body is consistent, and then the fastening bolt is screwed to be in close contact with the installation transition support, so that the purpose of positioning the installation transition support is realized, and the adjustment of the position of the breaker switch is completed; through the setting of long distance slide hole, realize the full coverage to the installation requirement of different specification circuit breaker switches, because interior door stand and mounting panel all adopt the general section bar of C type, and the support column section bar the same with the internal four corners department of cabinet sets up, the standardized design and the management of the product of being convenient for adopts the transition installing support to realize the stepless regulation around the installation simultaneously, need not the mounting panel of numerous specifications of installation height design for circuit breaker switches, avoid design error, improve design correct rate and efficiency greatly to can realize standardized design.

2. According to the sealing door, the rubber pad on the sealing door is firstly contacted with the door frame groove on the front surface of the cabinet body, the piston rod can be pushed to move after the rubber pad is extruded, so that the piston rod stretches into the sealing cylinder, when the air pressure in the sealing cylinder is increased, air can be pushed into the air cushion frame through the air duct, the outer side of the air cushion frame is expanded, the plurality of rubber sealing frames are driven to stretch outwards, the rubber sealing frame can be tightly embedded into the sealing groove in the door frame groove, the sealing purpose is achieved, the rubber pad is separated from the door frame groove when the sealing door is opened, the air can enter the sealing cylinder again when the sealing door is pulled, the air cushion frame can be restored to the original state, the position of the rubber sealing frame can be changed through the extrusion expansion mode, the rubber sealing frame can be tightly attached to the sealing groove, and accordingly the fatigue resistance of the rubber sealing frame is improved, and the sealing effect is enhanced due to the fact that the rubber sealing frame is aged along with the frequent opening and closing of the sealing door and the influence of the temperature in the cabinet body.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the connection of the inner door and the inner door support assembly of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of the structure of the inner door of the operation protection of the present utility model;

FIG. 6 is a schematic view of the connection of the rubber gasket and the seal box of the utility model;

FIG. 7 is a schematic cross-sectional view of a seal cartridge of the present utility model;

FIG. 8 is a schematic view of the connection of the sealing mechanism to the pressurizing assembly of the present utility model;

in the figure: 1. a cabinet body; 2. sealing the door; 3. operating the protective inner door; 4. a cable rack; 5. an inner door support assembly; 501. a first inner door pillar; 502. positioning holes; 503. a second inner door pillar; 6. an observation window; 7. a circuit breaker switch; 8. a mounting plate; 9. installing a transition bracket; 10. a fastening bolt; 11. a slide hole; 12. a rubber pad; 13. a seal box; 14. a sealing mechanism; 141. an air cushion frame; 142. a rubber seal frame; 15. a pressurizing assembly; 151. a sealing cylinder; 152. a piston rod; 153. and an air duct.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Example 1

Referring to fig. 1 to 5, the present embodiment provides a panel adjusting device of a protection type power distribution cabinet, including a cabinet body 1, wherein a sealing door 2 is hinged to the front surface of the cabinet body 1, and the sealing door 2 realizes a first protection; in order to increase the protection performance, an operation protection inner door 3 is arranged between the interior of the cabinet body 1 and the sealing door 2, and the operation protection inner door 3 realizes a second protection; according to actual needs, the inside of the cabinet body 1 can be divided into a plurality of spaces from top to bottom, and each space can be provided with an operation protection inner door 3.

The operation protection inner door 3 has the function of isolating an operator from an electrified body in the cabinet body to realize complete electric shock protection, and then the operation handles of the wire inlet and outlet switches in the cabinet body are exposed on the operation protection inner door, so that the operation is convenient, and the safety is ensured. Therefore, in the embodiment, the operation protection inner door 3 is provided with an opening, and one end of the breaker switch 7 can be installed on the operation protection inner door 3 through the opening, so that the operation handle of the breaker switch is exposed on the operation protection inner door; meanwhile, inner door supporting components 5 are arranged on two sides in the cabinet body 1, each inner door supporting component 5 comprises a first inner door upright post 501 and a second inner door upright post 503, and positioning holes 502 are uniformly formed in the first inner door upright post 501 and the second inner door upright post 503; at this time, two ends of the operation protection inner door 3 are fixedly connected with the second inner door upright posts 503 arranged at two sides in the cabinet body 1, and as a plurality of positioning holes 502 are formed in the second inner door upright posts 503, the operation protection inner doors with different specifications can be respectively and fixedly connected in the cabinet body, so that the installation requirements of the breaker switches with different external dimensions are realized.

The other end of the breaker switch 7 is arranged on one side of the mounting plate 8, and the other side and two ends of the mounting plate 8 are provided with mounting transition brackets 9; two sliding holes 11 are formed in the mounting transition support 9, fastening bolts 10 are sleeved in the sliding holes 11, the fastening bolts 10 can be connected in positioning holes 502 on the first inner door upright post 501 in a threaded mode, and therefore the mounting transition support 9 is mounted between two opposite inner door support assemblies (5) respectively.

When the circuit breaker is used, the circuit breaker switch 7 is fixed on the mounting plate 8, then the approximate position is determined according to the size specification requirement of the circuit breaker switch 7, the fastening bolt 10 sleeved on the sliding hole 11 is aligned with the positioning hole 502 on the first inner door upright post 501, the fastening bolt is in threaded connection but is not screwed down, then the mounting plate 8 is slid by the sliding hole 11, so that the operating handle of the circuit breaker switch 7 arranged on the operation protection inner door 3 is at a reasonable position, and the fastening bolt 10 is screwed down, and the circuit breaker switch 7 is mounted. The breaker switch needs to be replaced, the fastening bolt 10 is unscrewed, the mounting plate 8 is pulled out, and the breaker switch 7 is replaced.

In this embodiment, the mounting transition bracket 9 may adopt an L-shaped design structure, and the first inner door pillar 501, the second inner door pillar 503 and the mounting plate 8 are all made of C-shaped universal profiles, and are identical to the supporting column profiles disposed at four corners in the cabinet body 1; because the first inner door upright post 501, the second inner door upright post 503 and the mounting plate 8 are all C-shaped universal sectional materials and are the same as the supporting column sectional materials arranged at four corners in the cabinet body 1, standardized design and management of products are facilitated;

a plurality of cable strips 4 can be arranged on both sides in the cabinet body 1 for placing various cables.

Example two

In this embodiment, referring to fig. 6 to 8, a sealing effect is increased, specifically, a sealing box 13 is fixedly connected to the back of the sealing door 2, and a rubber pad 12 is disposed on the back of the sealing box 13; the periphery of the sealing box 13 is connected with the sealing mechanism 14, the sealing mechanism 14 comprises an air cushion frame 141, the air cushion frame 141 is fixed on the periphery of the sealing box 13, three rubber sealing frames 142 are arranged outside the air cushion frame 141, the air cushion frame 141 is internally communicated with a plurality of pressurizing assemblies 15, the outer sides of the air cushion frame 141 are expanded and drive a plurality of rubber sealing frames 142 to extend outwards through the mutual matching between the air cushion frame 141 and the rubber sealing frames 142, the rubber sealing frames 142 can be tightly embedded into sealing grooves in a door frame groove, the positions of the rubber sealing frames 142 can be changed in a pressing expansion mode to enable the rubber sealing frames 142 to be tightly adhered to the sealing grooves, and the sealing effect of the sealing device is enhanced; the sealing mechanism 14 is internally fixed with the inner wall of the sealing box 13 through a plurality of pressurizing assemblies 15, the pressurizing assemblies 15 comprise sealing barrels 151, the sealing barrels 151 are fixed with the inner side of the sealing box 13, piston rods 152 are arranged in the sealing barrels 151, one ends of the front faces of the piston rods 152 are fixed with the back faces of the rubber gaskets 12, air guide pipes 153 are arranged outside the sealing barrels 151, the air guide pipes 153 penetrate through the sealing box 13 and are communicated with the air cushion frames 141, the cross section of the sealing box 13 is of a U-shaped design, the air guide pipes 153 push air into the air cushion frames 141 through the arrangement of the piston rods 152 and the air guide pipes 153, the air cushion frames 141 can be expanded, the rubber gaskets 12 are separated from door frame grooves when the sealing doors 2 are opened, the air can enter the sealing barrels 151 again when the sealing doors 2 are pulled, the air cushion frames 141 can be restored to be in an original shape, and the expansion of the air cushion frames 141 can be conveniently controlled in an air flow conduction mode.

The middle part of the sealing door 2 is provided with an observation window 6, and the observation window 6 is arranged in an explosion-proof transparent way, so that the real-time condition of elements in the cabinet body 1 can be observed outside;

when the circuit breaker switch 7 is used, the circuit breaker switch 7 is installed through the installation plate 8, so that the circuit breaker switch 7 is positioned in the operation protection inner door 3, when the position of the circuit breaker switch 7 needs to be adjusted, the fastening bolt 10 is screwed, the fastening bolt 10 is far away from the installation transition support 9, the installation transition support 9 is in a free sliding state, the installation transition support 9 can be driven to move through the installation plate 8 in the process of pushing the circuit breaker switch 7, and the sliding hole 11 on the installation transition support 9 slides outside the fastening bolt 10;

when the position of the breaker switch 7 is adjusted to be aligned with other panels in the cabinet body 1, the fastening bolt 10 is screwed down to be in close contact with the mounting transition bracket 9, so that the purpose of positioning the mounting transition bracket 9 is realized, namely the adjustment of the position of the breaker switch 7 is completed;

when the cabinet body 1 is sealed, the sealing door 2 is arranged to seal the cabinet body 1, so that the rubber gasket 12 on the sealing door 2 is firstly contacted with a door frame groove on the front surface of the cabinet body 1, the rubber gasket 12 can push the piston rod 152 to move after being extruded, the piston rod 152 stretches into the sealing cylinder 151, when the air pressure in the sealing cylinder 151 is increased, air can be pushed into the air cushion frame 141 through the air duct 153, the outer side of the air cushion frame 141 is expanded, a plurality of rubber sealing frames 142 are driven to stretch outwards, and the rubber sealing frames 142 can be tightly embedded into a sealing groove in the door frame groove, so that the sealing purpose is realized;

when the sealing door 2 is opened, the rubber gasket 12 is separated from the door frame groove, gas reenters the sealing cylinder 151 while the sealing door 2 is pulled, the piston rod 152 in the sealing cylinder 151 extends out, and the air cushion frame 141 can be restored to the original state.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides a protection type switch board's panel adjusting device, includes the cabinet body (1), its characterized in that:

the front surface of the cabinet body (1) is hinged with a sealing door (2); an operation protection inner door (3) is also arranged in the cabinet body (1);

a breaker switch (7) is arranged in the cabinet body (1), one end of the breaker switch (7) is arranged on the operation protection inner door (3), and the other end of the breaker switch (7) is arranged on the mounting plate (8);

two sides of the mounting plate (8) are connected with mounting transition brackets (9);

the two sides in the cabinet body (1) are respectively provided with an inner door supporting component (5), the back surface of the operation protection inner door (3) is connected with the inner door supporting components (5) through fastening screws, and the mounting transition brackets (9) are respectively arranged between the opposite inner door supporting components (5);

a sliding hole (11) is formed in one side of the mounting transition support (9), and a fastening bolt (10) is sleeved in the sliding hole (11).

2. The panel adjustment device of a protective power distribution cabinet according to claim 1, wherein: the inner door supporting assembly (5) comprises a first inner door upright post (501) and a second inner door upright post (503), and a plurality of positioning holes (502) are formed in the first inner door upright post (501) and the second inner door upright post (503);

the operation protection inner door (3) is connected with the second inner door upright post (503);

the fastening bolt (10) in the sliding hole (11) is in threaded connection with the positioning hole (502) of the first inner door upright (501) or the positioning hole (502) of the second inner door upright (503).

3. The panel adjustment device of a protective power distribution cabinet according to claim 1, wherein: the back of sealing door (2) is provided with seal box (13), the back of seal box (13) is equipped with rubber pad (12), seal box (13) all around be connected with sealing mechanism (14), be connected through a plurality of pressure subassembly (15) in sealing mechanism (14) with seal box (13) inner wall.

4. A panel adjustment device for a protective power distribution cabinet according to claim 3, wherein: the sealing mechanism (14) comprises an air cushion frame (141), the air cushion frame (141) is arranged around the sealing box (13), three rubber sealing frames (142) are arranged outside the air cushion frame (141), and the air cushion frame (141) is internally communicated with a plurality of pressurizing assemblies (15).

5. The panel adjustment device of a protective power distribution cabinet according to claim 4, wherein: the pressurizing assembly (15) comprises a sealing cylinder (151), the sealing cylinder (151) is fixed with the inner side of the sealing box (13), a piston rod (152) is arranged in the sealing cylinder (151), and one end of the front side of the piston rod (152) is fixed with the back side of the rubber pad (12).

6. The panel adjustment device of a protective power distribution cabinet according to claim 5, wherein: an air duct (153) is arranged outside the sealing cylinder (151), the air duct (153) penetrates through the sealing box (13) and is communicated with the air cushion frame (141), and the cross section of the sealing box (13) is U-shaped.

7. The panel adjustment device of a protective power distribution cabinet according to claim 1, wherein: both sides in the cabinet body (1) are provided with a plurality of cable strip frames (4).

8. The panel adjustment device of a protective power distribution cabinet according to claim 1, wherein: an observation window (6) is arranged in the middle of the sealing door (2).

9. The panel adjustment device of a protective power distribution cabinet according to claim 1, wherein: the mounting transition support (9) is of an L-shaped structure.

10. The panel adjustment device of a protective power distribution cabinet according to claim 2, wherein: the materials of the first inner door upright post (501), the second inner door upright post (503) and the mounting plate (8) are C-shaped universal sectional materials and are the same as supporting column sectional materials arranged at four corners in the cabinet body (1).