CN215419109U

CN215419109U - Low-voltage power cabinet with space expansion function

Info

Publication number: CN215419109U
Application number: CN202122112516.3U
Authority: CN
Inventors: 张书强
Original assignee: Hebei Dejia Electromechanical Equipment Co ltd
Current assignee: Hebei Dejia Electromechanical Equipment Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-04
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a low-voltage power cabinet with a space expansion function, which comprises a cabinet body and an expansion unit, wherein the cabinet body is provided with a plurality of expansion units; the cabinet body: the bottom surface of the cabinet body is provided with a wire passing hole, the right side surface of the cabinet body is provided with an expanding hole, and the front side surface of the cabinet body is hinged with a front door through a hinge I; an expansion unit: including welt, extension cover, side cap, stay bolt and plug bush, the welt sets up respectively in the right flank four corners of the cabinet body, the inside right-hand member of extension cover is equipped with the plug bush, the right-hand member of plug bush and the left end activity of side cap are pegged graft, a screw hole threaded connection that the four corners of side cap was seted up through stay bolt and welt right flank respectively, the extension cover is located between side cap and the cabinet body, the extension unit still includes the position sleeve, the right flank of the cabinet body is established to the position sleeve, the inside left end activity grafting of position sleeve and extension cover, this low pressure power cabinet with space extension function, inside space can be extended, make things convenient for the upgrading transformation of inner line.

Description

Low-voltage power cabinet with space expansion function

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a low-voltage power cabinet with a space expansion function.

Background

Along with the progress of society, the existing machine equipment is more and more advanced, the functions are more and more, the electric elements controlled by the equipment are very many, and further a low-voltage power cabinet is needed to be used, the power cabinet is an electric control cabinet combination which provides power for the normal operation of the whole machine, wherein a contactor, a frequency converter, a high-voltage cabinet, a transformer and the like are generally installed inside the power cabinet, the existing low-voltage power cabinet body is generally formed by bending and welding sheet metal, the space inside the low-voltage power cabinet body is generally not provided with a space expansion function, when the electric elements are needed to be added when the electric circuit of the machine is modified, the box body is generally needed to be replaced due to the limitation of the internal space of the cabinet body, further the internal electric elements are all needed to be detached and then installed in a new box body from new wiring, further the labor burden of circuit modification is increased, and the inconvenience is brought to the upgrading and modification of the machine, we propose a low-voltage power cabinet with a space expansion function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a low-voltage power cabinet with a space expansion function, which can expand the space in the low-voltage power cabinet and effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a low-voltage power cabinet with a space expansion function comprises a cabinet body and an expansion unit;

the cabinet body: the bottom surface of the cabinet body is provided with a wire passing hole, the right side surface of the cabinet body is provided with an expanding hole, and the front side surface of the cabinet body is hinged with a front door through a hinge I;

an expansion unit: comprises lining plates, an extension sleeve, side covers, a long bolt and an inserting sleeve, wherein the lining plates are respectively arranged at four corners of the right side surface of a cabinet body, the right end inside the extension sleeve is provided with the inserting sleeve, the right end of the inserting sleeve and the left end of the side cover are movably inserted, the four corners of the side cover are respectively in threaded connection through the long bolt and a threaded hole formed in the right side surface of the lining plate, the extension sleeve is positioned between the side cover and the cabinet body, the space in the low-voltage power cabinet can be expanded in the using process, space is provided for the adding and installation of subsequent electrical components, so as to upgrade and reform the internal circuit without replacing the low-voltage power cabinet, thereby reducing the working difficulty, fixing the subsequently added electrical appliance elements through the DIN guide rail, and the upper and lower position can be adjusted, the use is simple and convenient, the installation efficiency of electrical components is improved, and further the working efficiency of line transformation is improved.

Furthermore, the expansion unit further comprises a positioning sleeve, the positioning sleeve is arranged on the right side face of the cabinet body, the positioning sleeve is movably connected with the left end of the extension sleeve in an inserting mode, support and positioning are provided for the left end of the extension sleeve, and the structural strength of the expansion unit is improved.

Furthermore, the side door is hinged to the opening of the right side face of the side cover through a second hinge, and therefore installation of electrical components is facilitated.

Further, evenly distributed's louvre one is seted up to the right flank lower extreme of side door, and evenly distributed's louvre two is seted up to the left surface of the cabinet body, guarantees that inside air can circulate each other with the outside air, promotes the radiating effect.

Furthermore, the rear side face of the extension sleeve is provided with a sliding strip seat, a sliding strip is connected inside the sliding strip seat in a sliding mode, and the upper end of the front side face of the sliding strip is provided with a DIN guide rail through a bump, so that the electrical appliance element can be conveniently and fixedly mounted.

The sliding strip seat is characterized by further comprising a pressing plate, the pressing plate is in threaded connection with a threaded hole II formed in the front side face of the sliding strip through a short bolt, and the rear side face of the pressing plate is in close contact with the front side face of the sliding strip seat to limit the movement of the sliding strip.

Furthermore, evenly distributed's mounting hole is seted up to the leading flank of qianmen, and the inside equal activity joint of mounting hole has the closure plate, makes things convenient for the installation of pilot lamp or switch to fix.

Compared with the prior art, the utility model has the beneficial effects that: this low pressure power cabinet with function is extended to space has following benefit:

1. in the using process, electrical elements are required to be added in the cabinet body, when the mounting position is not enough, the long bolt can be loosened, then the long bolt and the side cover are taken down, when the right end of the positioning sleeve is not provided with the extension sleeve, the extension assembly formed by the extension sleeve and the insertion sleeve can be movably inserted at the right end of the positioning sleeve, then the side cover is movably inserted at the right end of the insertion sleeve, then the long bolt penetrates through the side cover and the lining plate to be in threaded connection, then the long bolt is screwed tightly to complete the fixation of the extension assembly and the side cover, when the increased space of one extension sleeve is not enough, the second extension sleeve can be continuously mounted, at the moment, the second extension sleeve and the first extension sleeve are movably inserted, the side cover and the second insertion sleeve are movably inserted, then the long bolt with proper length is selected for fixation, the space in the low-voltage power cabinet can be expanded in the using process, space is provided for the installation of the addition of follow-up electrical components, and then can upgrade the transformation to inside circuit under the condition of not changing low pressure power cabinet, and then reduced the work degree of difficulty, promoted the work efficiency of circuit transformation.

2. After the internal space is expanded, a side door and a front door are opened, then an electrical element is movably clamped to the front side of a DIN guide rail, a short bolt is loosened, the rear side face of a pressing plate is separated from the front side face of a sliding strip seat, the movement of the sliding strip is not limited by the pressing plate, then the electrical element is pushed to move, the electrical element drives the DIN guide rail to move, the DIN guide rail drives the sliding strip to slide in the sliding strip seat, after the electrical element moves to a proper position, the short bolt is screwed tightly, the short bolt drives the rear side face of the pressing plate to be tightly attached to the front side face of the sliding strip seat, then the pressing plate limits the movement of the sliding strip through the short bolt, then the fixation of the electrical element is completed, the electrical element added subsequently is fixed through the DIN guide rail, the upper position and the lower position can be adjusted, the use is simple and convenient, and the installation efficiency of the electrical element is improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of an expansion unit according to the present invention;

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the utility model at B of fig. 2.

In the figure: the cabinet comprises a cabinet body 1, a line passing hole 2, a front door 3, a mounting hole 4, a blocking plate 5, an expansion unit 6, a lining plate 61, an extension sleeve 62, a side cover 63, a long bolt 64, a positioning sleeve 65, an insertion sleeve 66, a sliding strip seat 7, a sliding strip 8, a 9DIN guide rail, a short bolt 10, a pressing plate 11, a side door 12, a heat dissipation hole I13, a heat dissipation hole II 14 and an expansion hole 15.

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. 1-4, the present embodiment provides a technical solution: a low-voltage power cabinet with a space expansion function comprises a cabinet body 1 and an expansion unit 6;

the cabinet body 1: the bottom surface of the cabinet body is provided with a wire passing hole 2, the wire passing hole 2 facilitates the passing of cables inside the cabinet body 1, the right side surface of the cabinet body 1 is provided with an expanding hole 15, the expanding hole 15 facilitates the wiring of electric appliances inside an expanding unit 7, the front side surface of the cabinet body 1 is hinged with a front door 3 through a hinge I, the front door 3 facilitates the installation of electric appliance elements inside and provides protection for the electric appliance elements inside, the front side surface of the front door 3 is provided with uniformly distributed mounting holes 4, the inside of the mounting holes 4 is movably clamped with blocking plates 5, when a button or an indicator lamp needs to be added, the blocking plates 5 can be buckled down, and then the button or the indicator lamp is installed in the mounting holes 4;

the expanding unit 6: the expansion unit 6 comprises a lining plate 61, an extension sleeve 62, a side cover 63, a long bolt 64 and an inserting sleeve 66, wherein the lining plate 61 is respectively arranged at four corners of the right side surface of the cabinet body 1, the right end inside the extension sleeve 62 is provided with the inserting sleeve 66, the right end of the inserting sleeve 66 is movably inserted with the left end of the side cover 63, the four corners of the side cover 63 are respectively in threaded connection with a threaded hole formed in the right side surface of the lining plate 64 through the long bolt 64, the extension sleeve 62 is positioned between the side cover 63 and the cabinet body 1, the expansion unit 6 further comprises a positioning sleeve 65, the positioning sleeve 65 is arranged on the right side surface of the cabinet body 1, the positioning sleeve 65 is movably inserted with the left end inside the extension sleeve 62, in the using process, when electrical elements need to be added in the cabinet body 1 and the installation position is insufficient, the long bolt 64 can be loosened, then the long bolt 64 and the side cover 63 are taken down, when the right end of the positioning sleeve 65 is not provided with the extension sleeve 62, an expansion assembly formed by the extension sleeve 62 and the inserting sleeve 66 can be movably inserted with the right end of the positioning sleeve 65, then the side cover 63 is movably inserted to the right end of the inserting sleeve 66, then the long bolt 64 passes through the side cover 63 and the lining board 61 to be in threaded connection, then the long bolt 64 is tightly twisted to complete the fixation of the expansion assembly and the side cover 63, when the space enlarged by one section of the extending sleeve 62 is not enough, the second section of the extending sleeve 62 can be continuously installed, at the moment, the second section of the extending sleeve 62 is movably inserted with the first section of the inserting sleeve 66, the side cover 63 and the second section of the inserting sleeve 66 are movably inserted in the same way, then the long bolt 64 with proper length is selected for fixation, the opening part of the right side surface of the side cover 63 is hinged with a side door 12 through a hinge two, the side door 12 is convenient for the installation of electrical components, the lower end of the right side surface of the side door 12 is provided with a first heat radiation hole 13 with uniformly distributed heat radiation holes, the left side surface of the cabinet body 1 is provided with a second heat radiation hole 14 with uniformly distributed heat radiation holes, the first 13 and the second 14 enable the air inside the cabinet body 1 to mutually circulate with the outside air, the rear side surface of the extension sleeve 62 is provided with a sliding strip seat 7, the inside of the sliding strip seat 7 is connected with a sliding strip 8 in a sliding manner, the upper end of the front side surface of the sliding strip 8 is provided with a DIN guide rail 9 through a bump, the extension sleeve further comprises a pressing plate 11, the pressing plate 11 is in two-thread connection with a threaded hole formed in the front side surface of the sliding strip 8 through a short bolt 10, the rear side surface of the pressing plate 11 is in close contact with the front side surface of the sliding strip seat 7, after the internal space is expanded, a side door 12 and a front door 3 are opened, then an electrical component is movably clamped to the front side of the DIN guide rail 9, the short bolt 10 is loosened, the rear side surface of the pressing plate 11 is separated from the front side surface of the sliding strip seat 7, further, the pressing plate 11 does not limit the movement of the sliding strip 8, then the electrical component is pushed to move, the electrical component drives the DIN guide rail 9 to move, the sliding strip 8 to slide in the sliding strip seat 7, when the electrical component moves to a proper position, the short bolt 10 is tightened, the short bolt 8 drives the back side of the pressing plate 11 to be tightly attached to the front side of the slide bar seat 7, so that the pressing plate 11 limits the movement of the slide bar 8 through the short bolt 10, and then the fixing of the electrical appliance element is completed.

The working principle of the low-voltage power cabinet with the space expansion function provided by the utility model is as follows: in the using process, when electrical elements need to be added into the cabinet body 1 and the mounting position is not enough, the long bolt 64 can be loosened, then the long bolt 64 and the side cover 63 are taken down, when the right end of the positioning sleeve 65 is not provided with the extension sleeve 62, the extension assembly formed by the extension sleeve 62 and the insertion sleeve 66 can be movably inserted into the right end of the positioning sleeve 65, then the side cover 63 is movably inserted into the right end of the insertion sleeve 66, then the long bolt 64 penetrates through the side cover 63 and the lining plate 61 to be in threaded connection, then the long bolt 64 is screwed tightly to complete the fixation of the extension assembly and the side cover 63, when the space enlarged by one section of the extension sleeve 62 is not enough, the second section of the extension sleeve 62 can be continuously installed, at the moment, the second section of the extension sleeve 62 is movably inserted into the first section of the insertion sleeve 66, the side cover 63 is movably inserted into the second section of the insertion sleeve 66 in the same way, and then the long bolt 64 with proper length is selected for fixation, after the internal space is expanded, the side door 12 and the front door 3 are opened, then the electrical components are movably clamped on the front side of the DIN guide rail 9, the short bolt 10 is loosened, the rear side surface of the pressing plate 11 is separated from the front side surface of the slide bar seat 7, further the pressing plate 11 does not limit the movement of the slide bar 8, then the electrical element is pushed to move, the electrical element drives the DIN guide rail 9 to move, the DIN guide rail 9 drives the slide bar 8 to slide in the slide bar seat 7, after the electrical element moves to a proper position, the short bolt 10 is screwed tightly, the short bolt 10 drives the back side surface of the pressing plate 11 to be tightly attached to the front side surface of the slide bar seat 7, and then the pressing plate 11 limits the movement of the slide bar 8 through the short bolt 10, then the fixing of the electrical elements is completed, when a button or an indicator lamp needs to be added, the blocking plate 5 can be buckled down, buttons or indicator lights are then installed in the mounting holes 4 and the side doors 12 and front door 3 are closed after installation.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a low pressure power cabinet with function is extended to space which characterized in that: comprises a cabinet body (1) and an expansion unit (6);

cabinet (1): the bottom surface of the cabinet body (1) is provided with a wire passing hole (2), the right side surface of the cabinet body (1) is provided with an expanding hole (15), and the front side surface of the cabinet body (1) is hinged with a front door (3) through a hinge I;

an expansion unit (6): including welt (61), extension cover (62), side cap (63), long bolt (64) and grafting cover (66), welt (61) set up respectively in the right flank four corners of the cabinet body (1), and the inside right-hand member of extension cover (62) is equipped with grafting cover (66), and the right-hand member of grafting cover (66) and the left end activity grafting of side cap (63), the screw hole threaded connection who sets up respectively through long bolt (64) and welt (61) right flank in the four corners of side cap (63), and extension cover (62) are located between side cap (63) and the cabinet body (1).

2. The low-voltage power cabinet with the space expansion function as claimed in claim 1, characterized in that: the expansion unit (6) further comprises a positioning sleeve (65), the positioning sleeve (65) is arranged on the right side face of the cabinet body (1), and the positioning sleeve (65) is movably connected with the left end of the inside of the extension sleeve (62) in an inserting mode.

3. The low-voltage power cabinet with the space expansion function as claimed in claim 1, characterized in that: the right side surface opening of the side cover (63) is hinged with a side door (12) through a second hinge.

4. The low-voltage power cabinet with the space expansion function as claimed in claim 3, characterized in that: the lower end of the right side face of the side door (12) is provided with first heat dissipation holes (13) which are uniformly distributed, and the left side face of the cabinet body (1) is provided with second heat dissipation holes (14) which are uniformly distributed.

5. The low-voltage power cabinet with the space expansion function as claimed in claim 1, characterized in that: the rear side face of the extension sleeve (62) is provided with a sliding strip seat (7), the inside of the sliding strip seat (7) is connected with a sliding strip (8) in a sliding mode, and the upper end of the front side face of the sliding strip (8) is provided with a DIN guide rail (9) through a bump.

6. The low-voltage power cabinet with the space expansion function as claimed in claim 5, wherein: the sliding strip fixing device is characterized by further comprising a pressing plate (11), the pressing plate (11) is in threaded connection with a second threaded hole formed in the front side face of the sliding strip (8) through a short bolt (10), and the rear side face of the pressing plate (11) is in close contact with the front side face of the sliding strip seat (7).

7. The low-voltage power cabinet with the space expansion function as claimed in claim 1, characterized in that: evenly distributed mounting holes (4) are formed in the front side face of the front door (3), and plugging plates (5) are movably clamped inside the mounting holes (4).