Low-voltage distribution box easy to assemble

Abstract

The low-voltage distribution box easy to assemble comprises a main frame, a top plate, a bottom plate, an inner door plate and an outer door plate, the main frame comprises a back plate and side plates located on the two sides of the back plate, and an opening is formed in the front face of the main frame; the top plate is connected to the top of the main frame through the first angle iron and the second angle iron at the top, and the bottom plate is connected to the bottom of the main frame through the first angle iron and the second angle iron at the bottom; the first angle iron comprises a hinge part bent outwards, the second angle iron comprises a limiting part bent inwards, the inner door plate is connected to the hinge part through a rotating shaft, and the limiting part is located on a path in the closing process of the inner door plate; hinges are arranged on the side faces of the top plate and the bottom plate and located on the outer side of the second angle iron, and the outer door plate is connected to the hinges. According to the utility model, the assembly parts of the low-voltage distribution box are simplified, the production efficiency of the distribution box is improved, the overall consistency is better, and the protection performance is also effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, in particular to an easy-to-assemble low-voltage distribution box. Background Art

[0002] A low-voltage distribution box is a device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet to achieve the rational distribution and management of electrical energy and facilitate the on-off operation of the circuit.

[0003] With the vigorous development of the power industry, the industry has higher and higher requirements for the protection of distribution boxes. The closed metal cabinet of the existing distribution box is composed of a top plate, a bottom plate, a back plate, a side plate and a door plate. When assembling the distribution box, it is necessary to weld or fasten the various metal plates to construct a basic frame, and then assemble the hinges for the door plate movement on the basic frame, resulting in a cumbersome assembly process for the distribution box, especially for the double-door distribution box. Considering the misalignment requirements of the installation components of the two door plates and their fixed positions, the overall consistency of the double-door distribution box is poor, the assembly is cumbersome, and the production efficiency is low.

[0004] Therefore, it is urgent to design a low-voltage distribution box that is easy to assemble to overcome the above-mentioned defects. Summary of the invention

[0005] In order to solve the above problems, the technical solution provided by the utility model is:

[0006] A low-voltage distribution box that is easy to assemble, comprises a main frame, a top plate, a bottom plate, an inner door plate and an outer door plate, wherein the main frame is formed by folding a plate, the main frame comprises a back plate and side plates located on both sides of the back plate, and an opening is arranged on the front of the main frame; a first angle iron and a second angle iron are arranged on the left and right sides of the top and bottom of the opening respectively, the top plate is connected to the top of the main frame through the first angle iron and the second angle iron at the top, and the bottom plate is connected to the bottom of the main frame through the first angle iron and the second angle iron at the bottom; the first angle iron comprises an outwardly bent hinge portion, the second angle iron comprises an inwardly bent limiting portion, the inner door plate is connected to the hinge portion through a rotating shaft, and the limiting portion is located on the path of the inner door plate closing process; hinges are arranged on the sides of the top plate and the bottom plate, the hinges are located on the outside of the second angle iron, and the outer door plate is connected to the hinges; when the distribution box is in a closed state, the inner door plate and the outer door plate are in different planes.

[0007] The utility model is further configured such that the outer circumference of the top plate is bent toward one side of the bottom plate to form a first positioning skirt, and the outer circumference of the bottom plate is bent toward one side of the top plate to form a second positioning skirt, and the first positioning skirt and the second positioning skirt are both connected to the first angle iron and the second angle iron.

[0008] The utility model is further configured as follows: the first angle iron includes a first bearing portion, a first side-mounting portion and a first front-mounting portion, the first side-mounting portion and the first front-mounting portion are both perpendicular to the first bearing portion; the first side-mounting portion and the first positioning skirt of the first angle iron at the top are fixed to the side plate by fasteners, the first front-mounting portion of the first angle iron at the top is fixed to the first positioning skirt by fasteners, and the first bearing portion of the first angle iron at the top is attached to the top plate; the first side-mounting portion and the second positioning skirt of the first angle iron at the bottom are fixed to the side plate by fasteners, the first front-mounting portion of the first angle iron at the bottom is fixed to the second positioning skirt by fasteners, and the first bearing portion of the first angle iron at the bottom is attached to the bottom plate.

[0009] The utility model is further configured such that the hinged portion is located at one side of the first mounting portion, and the hinged portion and the first mounting portion are perpendicular to each other, an axis hole is provided on the hinged portion, and the rotating shaft of the inner door panel is connected in the axis hole.

[0010] The utility model is further configured such that the second angle iron includes a second bearing portion, a second side-mounting portion and a second front-mounting portion, and the second side-mounting portion and the second front-mounting portion are both perpendicular to the second bearing portion; the second side-mounting portion and the first positioning skirt of the second angle iron at the top are fixed to the side plate by fasteners, the second front-mounting portion of the second angle iron at the top is fixed to the first positioning skirt by fasteners, and the second bearing portion of the second angle iron at the top is affixed to the top plate; the second side-mounting portion and the second positioning skirt of the second angle iron at the bottom are fixed to the side plate by fasteners, the second front-mounting portion of the second angle iron at the bottom is fixed to the second positioning skirt by fasteners, and the second bearing portion of the second angle iron at the bottom is affixed to the bottom plate.

[0011] The utility model is further arranged that the limiting portion is located at one side of the second mounting portion, a connecting portion is connected between the limiting portion and the second mounting portion, the connecting portion is respectively perpendicular to the second mounting portion and the limiting portion, and the limiting portion and the second mounting portion are parallel to each other.

[0012] The utility model is further configured such that the hinges are respectively located on the outsides of the first positioning skirt and the second positioning skirt, and the hinges are connected to the second angle iron via fasteners.

[0013] The utility model is further configured such that the first angle iron and the second angle iron are integrally formed.

[0014] The utility model is further configured to have an observation window on the outer door panel.

[0015] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0016] The main frame of the low-voltage distribution box of the present technical solution is formed by folding a plate, which reduces the number of required parts and makes the structure of the entire distribution box more stable. The top plate and the bottom plate can be conveniently connected to the main frame through the first angle iron and the second angle iron. At the same time, the low-voltage distribution box is provided with a double-door structure of an inner door panel and an outer door panel. The inner door panel is opened and closed by adopting the hinged part of the first angle iron and the limiting part of the second angle iron. No additional movable parts are required for connection, and a hinge is provided on the outside of the second angle iron. The outer door panel is movably connected to the main frame through the hinge to realize a double-layer door panel structure.

[0017] The utility model greatly simplifies the component parts of the low-voltage distribution box and the assembly process through the ingenious design of the first angle iron and the second angle iron, thereby improving the production efficiency of the distribution box; at the same time, the low-voltage distribution box of the technical solution has better overall consistency and the protection performance is also effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of the distribution box in a closed state according to an embodiment of the utility model.

[0019] Figure 2 This is a three-dimensional diagram of the distribution box in an open state according to an embodiment of the utility model.

[0020] Figure 3 This is an exploded view of the distribution box of an embodiment of the utility model.

[0021] Figure 4 This is a three-dimensional diagram of the first angle iron of an embodiment of the utility model.

[0022] Figure 5 This is a three-dimensional diagram of the second angle iron of the utility model embodiment.

[0023] Figure 6 It is a partial cross-sectional view of the distribution box of an embodiment of the utility model.

[0024] Figure 7 This is another partial cross-sectional view of the distribution box according to an embodiment of the utility model. DETAILED DESCRIPTION

[0025] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection, or it can be the internal connection of two components; it can be a direct connection, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0028] Combined with Figure 1 To Attachment Figure 7 The technical solution of the utility model is an easy-to-assemble low-voltage distribution box, comprising a main frame 1, a top plate 2, a bottom plate 3, an inner door plate 4 and an outer door plate 5. The main frame 1 is formed by folding a plate. The main frame 1 comprises a back plate 11 and side plates 12 located on both sides of the back plate 11. An opening 13 is provided on the front of the main frame 1; the left and right sides of the top and bottom of the opening 13 are respectively provided with a first angle iron and a second angle iron, the top plate 2 is connected to the top of the main frame 1 through the first angle iron and the second angle iron at the top, and the bottom plate 3 is connected to the bottom of the main frame 1 through the first angle iron and the second angle iron at the bottom;

[0029] The first angle iron includes a hinge portion bent outward, the second angle iron includes a limit portion bent inward, the inner door panel 4 is connected to the hinge portion via a rotating shaft 41, and the limit portion is located on the path of the inner door panel 4 during the closing process; Figure 4 and attached Figure 6 As shown, the first angle iron includes a top first angle iron 61 and a bottom first angle iron 62, the top first angle iron 61 includes an upper hinge portion 611 bent outward, the bottom first angle iron 62 includes a lower hinge portion 612 bent outward, and the inner door panel 4 is connected to the upper hinge portion 611 and the lower hinge portion 612 through a rotating shaft 41; as shown in the attached Figure 5 and attached Figure 7 As shown, the second angle iron includes a top second angle iron 71 and a bottom second angle iron 72, the top second angle iron 71 includes an inwardly bent upper limit portion 711, the bottom second angle iron 72 includes an inwardly bent lower limit portion 712, the upper limit portion 711 and the lower limit portion 712 are both located on the path of the inner door panel 4 during the closing process, so as to achieve travel limit when the inner door panel 4 is closed;

[0030] The sides of the top plate 2 and the bottom plate 3 are both provided with hinges 8, the hinges 8 are located on the outside of the second angle iron, and the outer door panel 5 is connected to the hinges 8; when the distribution box is in a closed state, the inner door panel 4 and the outer door panel 5 are in different planes, and the opening direction of the inner door panel 4 is opposite to the opening direction of the outer door panel 5.

[0031] In this embodiment, as shown in the attached Figure 3 As shown, the outer circumference of the top plate 2 is bent toward the side of the bottom plate 3 to form a first positioning skirt 21, and the outer circumference of the bottom plate 3 is bent toward the side of the top plate 2 to form a second positioning skirt 31. The first positioning skirt 21 and the second positioning skirt 31 are both connected to the first angle iron and the second angle iron.

[0032] In this embodiment, the first angle iron includes a first bearing portion, a first side mounting portion and a first front mounting portion, and the first side mounting portion and the first front mounting portion are both perpendicular to the first bearing portion; Figure 4 As shown, the top first angle iron 61 includes an upper first bearing portion 621, an upper first side mounting portion 631 and an upper first front mounting portion 641, and the upper first side mounting portion 631 and the upper first front mounting portion 641 are both perpendicular to the upper first bearing portion 621; the bottom first angle iron 62 includes a lower first bearing portion 622, a lower first side mounting portion 632 and a lower first front mounting portion 642, and the lower first side mounting portion 632 and the lower first front mounting portion 642 are both perpendicular to the lower first bearing portion 622;

[0033] The upper first side mounting portion 631 of the top first angle iron 61 and the first positioning skirt 21 are fixed to the side panel 12 by fasteners, the upper first positive mounting portion 641 of the top first angle iron 61 is fixed to the first positioning skirt 21 by fasteners, and the upper first bearing portion 621 of the top first angle iron 61 is affixed to the top panel 2; the lower first side mounting portion 632 of the bottom first angle iron 62 and the second positioning skirt 31 are fixed to the side panel 12 by fasteners, the lower first positive mounting portion 642 of the bottom first angle iron 62 is fixed to the second positioning skirt 31 by fasteners, and the lower first bearing portion 622 of the bottom first angle iron 62 is affixed to the bottom panel 3.

[0034] In this embodiment, the upper hinged portion 611 is located on one side of the upper first mounting portion 641, and the upper hinged portion 611 is perpendicular to the upper first mounting portion 641, and an upper shaft hole 6111 is provided on the upper hinged portion 611; the lower hinged portion 612 is located on one side of the lower first mounting portion 642, and the lower hinged portion 612 is perpendicular to the lower first mounting portion 642, and a lower shaft hole 6112 is provided on the lower hinged portion 612; both ends of the rotating shaft 41 of the inner door panel 4 are respectively connected to the upper shaft hole 6111 and the lower shaft hole 6112.

[0035] In this embodiment, the second angle iron includes a second bearing portion, a second side mounting portion and a second front mounting portion, and the second side mounting portion and the second front mounting portion are both perpendicular to the second bearing portion; Figure 5As shown, the top second angle iron 71 includes an upper second bearing portion 721, an upper second side mounting portion 731 and an upper second front mounting portion 741, and the upper second side mounting portion 731 and the upper second front mounting portion 741 are both perpendicular to the upper second bearing portion 721, and the bottom second angle iron 72 includes a lower second bearing portion 722, a lower second side mounting portion 732 and a lower second front mounting portion 742, and the lower second side mounting portion 732 and the lower second front mounting portion 742 are both perpendicular to the lower second bearing portion 722;

[0036] The upper second side mounting portion 731 of the top second angle iron 71 and the first positioning skirt 21 are fixed to the side panel 12 by fasteners, the upper second positive mounting portion 741 of the top second angle iron 71 is fixed to the first positioning skirt 21 by fasteners, and the upper second bearing portion 721 of the top second angle iron 71 is affixed to the top panel 2; the lower second side mounting portion 732 of the bottom second angle iron 72 and the second positioning skirt 31 are fixed to the side panel 12 by fasteners, the lower second positive mounting portion 742 of the bottom second angle iron 72 is fixed to the second positioning skirt 31 by fasteners, and the lower second bearing portion 722 of the bottom second angle iron 72 is affixed to the bottom panel 3.

[0037] In this embodiment, the upper limit portion 711 is located on one side of the upper second formal portion 741, and an upper connecting portion 751 is connected between the upper limit portion 711 and the upper second formal portion 741, and the upper connecting portion 751 is respectively perpendicular to the upper second formal portion 741 and the upper limit portion 711, and the upper limit portion 711 and the upper second formal portion 741 are parallel to each other; the lower limit portion 712 is located on one side of the lower second formal portion 742, and a lower connecting portion 752 is connected between the lower limit portion 712 and the lower second formal portion 742, and the lower connecting portion 752 is respectively perpendicular to the lower second formal portion 742 and the lower limit portion 712, and the lower limit portion 712 and the lower second formal portion 742 are parallel to each other.

[0038] In this embodiment, the hinges 8 are respectively located on the outside of the first positioning skirt 21 and the second positioning skirt 31, and the hinges 8 are connected to the second angle iron via fasteners.

[0039] In this embodiment, the first angle iron and the second angle iron are integrally formed, which simplifies the components required for assembling the distribution box.

[0040] In this embodiment, an observation window 51 is provided on the outer door panel 5 .

[0041] In this embodiment, locks may be provided on the inner door panel 4 and the outer door panel 5 .

[0042] The main frame 1 of the low-voltage distribution box in the technical solution of this embodiment is formed by folding a plate, which reduces the number of required parts and makes the structure of the entire distribution box more stable. The top plate 2 and the bottom plate 3 can be conveniently connected to the main frame 1 through the first angle iron and the second angle iron. At the same time, the low-voltage distribution box is provided with a double-door structure of an inner door panel 4 and an outer door panel 5. The inner door panel 4 is opened and closed by the hinged portion of the first angle iron and the limiting portion of the second angle iron. No additional movable parts are required for connection, and a hinge 8 is provided on the outside of the second angle iron. The outer door panel 5 is movably connected to the main frame 1 through the hinge 8 to realize a double-layer door panel structure.

[0043] The utility model greatly simplifies the component parts of the low-voltage distribution box and the assembly process through the ingenious design of the first angle iron and the second angle iron, thereby improving the production efficiency of the distribution box; at the same time, the low-voltage distribution box of the technical solution has better overall consistency and the protection performance is also effectively improved.

[0044] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. An easy-to-assemble low-voltage distribution box, characterized in that: The invention comprises a main frame, a top plate, a bottom plate, an inner door plate and an outer door plate, wherein the main frame is formed by folding a plate, the main frame comprises a back plate and side plates located on both sides of the back plate, and an opening is arranged on the front side of the main frame; a first angle iron and a second angle iron are arranged on the left and right sides of the top and the bottom of the opening respectively, the top plate is connected to the top of the main frame through the first angle iron and the second angle iron at the top, and the bottom plate is connected to the bottom of the main frame through the first angle iron and the second angle iron at the bottom; the first angle iron comprises an outwardly bent hinge portion, the second angle iron comprises an inwardly bent limiting portion, the inner door plate is connected to the hinge portion through a rotating shaft, and the limiting portion is located on the path of the inner door plate closing process; hinges are arranged on the sides of the top plate and the bottom plate, the hinges are located on the outside of the second angle iron, and the outer door plate is connected to the hinges; when the distribution box is in a closed state, the inner door plate and the outer door plate are in different planes.

2. An easily assembled low-voltage distribution box according to claim 1, characterized in that: The outer circumference of the top plate is bent toward one side of the bottom plate to form a first positioning skirt, and the outer circumference of the bottom plate is bent toward one side of the top plate to form a second positioning skirt. The first positioning skirt and the second positioning skirt are both connected to the first angle iron and the second angle iron.

3. The easy-to-assemble low-voltage distribution box according to claim 2 is characterized in that: The first angle iron includes a first bearing portion, a first side-mounting portion and a first front-mounting portion, and the first side-mounting portion and the first front-mounting portion are both perpendicular to the first bearing portion; the first side-mounting portion and the first positioning skirt of the first angle iron at the top are fixed to the side plate by fasteners, the first front-mounting portion of the first angle iron at the top is fixed to the first positioning skirt by fasteners, and the first bearing portion of the first angle iron at the top is attached to the top plate; the first side-mounting portion and the second positioning skirt of the first angle iron at the bottom are fixed to the side plate by fasteners, the first front-mounting portion of the first angle iron at the bottom is fixed to the second positioning skirt by fasteners, and the first bearing portion of the first angle iron at the bottom is attached to the bottom plate.

4. The easy-to-assemble low-voltage distribution box according to claim 3 is characterized in that: The hinged portion is located at one side of the first front-mounted portion, and the hinged portion and the first front-mounted portion are perpendicular to each other. An axis hole is provided on the hinged portion, and the rotating shaft of the inner door panel is connected in the axis hole.

5. The easy-to-assemble low-voltage distribution box according to claim 2, characterized in that: The second angle iron includes a second bearing portion, a second side-mounting portion and a second front-mounting portion, and the second side-mounting portion and the second front-mounting portion are both perpendicular to the second bearing portion; the second side-mounting portion and the first positioning skirt of the second angle iron at the top are fixed to the side plate by fasteners, the second front-mounting portion of the second angle iron at the top is fixed to the first positioning skirt by fasteners, and the second bearing portion of the second angle iron at the top is affixed to the top plate; the second side-mounting portion and the second positioning skirt of the second angle iron at the bottom are fixed to the side plate by fasteners, the second front-mounting portion of the second angle iron at the bottom is fixed to the second positioning skirt by fasteners, and the second bearing portion of the second angle iron at the bottom is affixed to the bottom plate.

6. The easy-to-assemble low-voltage distribution box according to claim 5, characterized in that: The limiting portion is located at one side of the second mounting portion, a connecting portion is connected between the limiting portion and the second mounting portion, the connecting portion is respectively perpendicular to the second mounting portion and the limiting portion, and the limiting portion and the second mounting portion are parallel to each other.

7. The easy-to-assemble low-voltage distribution box according to claim 5, characterized in that: The hinges are respectively located on the outer sides of the first positioning skirt and the second positioning skirt, and the hinges are connected to the second angle iron via fasteners.

8. An easily assembled low-voltage distribution box according to any one of claims 1 to 7, characterized in that: The first angle iron and the second angle iron are both integrally formed.

9. An easily assembled low-voltage distribution box according to any one of claims 1 to 7, characterized in that: An observation window is provided on the outer door panel.

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