Basic frame for power distribution cabinet frame and power distribution cabinet

By designing the dislocation step structure of the L-shaped column butt and fixing it with the first cross beam, and combining with the connection of the third cross beam, the problem of the unreliable connection of the existing distribution cabinet foundation skeleton is solved, and more stable electrical device installation is achieved.

CN114300950BActive Publication Date: 2025-08-22SHANGHAI LANJIAN ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202210081948.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-01-24
Publication Date
2025-08-22
Estimated Expiration
2042-01-24

AI Technical Summary

Technical Problem

The foundation skeleton of the existing distribution cabinet is not connected firmly at the corner position, resulting in unstable connection.

Method used

The column is designed as an L-shaped, and the surface of the column is located on the transverse side is an uneven dislocation step-like structure, which is horizontally connected to the first cross beam to form a step connection; the third cross beam can be fixed to the second folded edge part and the first cross beam to enhance the connection reliability.

Benefits of technology

It improves the connection firmness and reliability of the basic skeleton to ensure stable installation and protection of electrical components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a basic skeleton for a power distribution cabinet frame and a power distribution cabinet. The basic skeleton for the power distribution cabinet frame has a transverse direction, a longitudinal direction and a vertical direction, and includes: a column, the length of the column extends vertically; the cross section of the column perpendicular to the longitudinal direction is L-shaped, including a first folded edge portion extending along the transverse direction and a second folded edge portion extending along the longitudinal direction; a first crossbeam, the length of the first crossbeam is arranged to extend along the transverse direction; the first crossbeam is fixedly connected to the first folded edge portion and the second folded edge portion of the column in the transverse direction; and a third crossbeam, the third crossbeam is arranged to extend longitudinally, and the third crossbeam is fixedly connected to the first folded edge portion and / or the first crossbeam. In the present invention, the column is L-shaped including the first folded edge portion and the second folded edge portion, and the surface of the column on one transverse side is an uneven staggered step-like structure. The column is fixedly connected to the first crossbeam in the transverse direction through its staggered step-like structure, and the connection between the column and the first crossbeam is a step structure, and the connection between the two is firm and reliable.
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Description

Technical Field

[0001] The invention relates to a basic frame for a power distribution cabinet frame and a power distribution cabinet. Background Art

[0002] The interior of a power distribution cabinet houses electrical components such as fuses, circuit breakers, and other devices. The existing power distribution cabinet's base frame is a one-piece structure. At the corners of the base frame, a rectangular vertical beam is directly fixed to two rectangular horizontal beams. The connecting surface between the beams is flat, making the connection unstable. Summary of the Invention

[0003] One of the purposes of the present invention is to overcome at least one deficiency in the prior art and to provide a basic frame for a distribution cabinet frame and a distribution cabinet.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] According to a first aspect of the present invention, a basic frame for a power distribution cabinet is provided. The basic frame for the power distribution cabinet has a horizontal direction, a vertical direction, and a vertical direction, wherein the horizontal direction, the vertical direction, and the vertical direction are perpendicular to each other; and comprises:

[0006] A column, wherein the length of the column extends vertically; the cross section of the column perpendicular to the longitudinal direction is L-shaped, including a first folded edge portion extending in the transverse direction and a second folded edge portion extending in the longitudinal direction;

[0007] A first crossbeam, wherein the length of the first crossbeam is extended in the transverse direction; the first crossbeam is abutted and fixed to the first folded edge portion and the second folded edge portion of the column in the transverse direction; and

[0008] A third crossbeam is provided, the third crossbeam is extended in the longitudinal direction, and the third crossbeam is fixedly connected to the second folded edge portion and / or the first crossbeam.

[0009] Optionally, the first crossbeam includes a first butt joint crossbeam and a second butt joint crossbeam; the first butt joint crossbeam and the second butt joint crossbeam are arranged side by side in the longitudinal direction and fixedly connected to each other;

[0010] The first butt-jointed crossbeam is butt-jointed and fixed to the first folded edge portion in a transverse direction; the second butt-jointed crossbeam is butt-jointed and fixed to the second folded edge portion in a transverse direction.

[0011] Optionally, an adapter is also included;

[0012] The first docking beam and the second docking beam are fixedly connected via the adapter;

[0013] The first butting crossbeam and the first folded edge portion are fixedly connected via the adapter.

[0014] Optionally, the first docking beam is provided with a receiving portion, and the adapter is accommodated and installed in the receiving portion;

[0015] The adapter comprises a first bottom wall, a first side wall and a second side wall;

[0016] The first bottom wall is arranged to extend in the transverse direction in length and in the vertical direction in width, and is fixedly connected to the outer wall of the second docking beam;

[0017] A pair of the first side walls protrude longitudinally from both ends of the width of the first bottom wall and are fixedly connected to the inner wall of the first docking beam;

[0018] The second side wall protrudes from one end of the length of the first bottom wall and is fixedly connected to the outer wall of the first folded edge portion.

[0019] Optionally, the first docking crossbeam includes a crossbeam bottom wall, a crossbeam side wall and an extension wall; the width of the crossbeam bottom wall is arranged to extend vertically;

[0020] A pair of the beam side walls protrude longitudinally from both ends of the width of the beam bottom wall and are arranged opposite to each other;

[0021] The pair of extension walls protrude vertically from the end portions of the pair of side walls of the beam, extend toward each other, and are spaced apart.

[0022] The extension wall is arranged between the first bottom wall and the second docking beam;

[0023] The inner surface of the extension wall is fitted with the first bottom wall and is threadedly connected;

[0024] The outer surface of the extension wall is fitted with the second docking beam and is threadedly connected thereto;

[0025] The first bottom wall is threadedly connected to the second docking beam;

[0026] The pair of first side walls are respectively fitted with the pair of beam side walls and are threadedly connected;

[0027] The second side wall is fitted with the first folded edge portion and is threadedly connected to the first side wall.

[0028] Optionally, a connecting piece is further included;

[0029] The third crossbeam is fixedly connected to the second folded edge portion and the first crossbeam through the connecting piece.

[0030] Optionally, the connecting piece is L-shaped, comprising a first connecting piece extending vertically and a second connecting piece extending horizontally;

[0031] The longitudinal end of the third crossbeam is provided with a matching connection portion; the matching connection portion is L-shaped, including a first matching connection portion extending vertically and a second matching connection portion extending horizontally;

[0032] The first connecting piece, the first matching connecting portion, and the second folded edge portion are arranged side by side in sequence in the longitudinal direction and are threadedly connected;

[0033] The second connecting piece, the second matching connecting portion, and the first crossbeam are arranged side by side in sequence in the longitudinal direction and are threadedly connected.

[0034] Optionally, the first crossbeam is provided with a first connecting frame protruding along the transverse direction, and the third crossbeam is provided with a second connecting frame protruding along the longitudinal direction, and the first connecting frame and the second connecting frame are at the same height in the vertical direction;

[0035] The first connecting frame and the second connecting frame are provided with threaded holes.

[0036] Optionally, the basic skeleton is a rectangular parallelepiped structure; the length direction of the basic skeleton extends in the horizontal direction, the width direction extends in the longitudinal direction, and the height direction extends in the vertical direction.

[0037] According to a second aspect of the present invention, a power distribution cabinet is provided, which includes the above-mentioned basic frame for the power distribution cabinet frame.

[0038] Unlike the prior art, the present invention provides a base frame for a power distribution cabinet and a power distribution cabinet in which the columns are L-shaped, comprising a first hem and a second hem. The columns have an uneven, offset, stepped structure on one lateral side. The offset, stepped structure allows the columns to be laterally butted against the first beam, and the stepped connection between the columns and the first beam provides a secure and reliable connection.

[0039] The third crossbeam can be fixedly connected to the second folded edge portion and the first crossbeam, and the connection structure between the three is more firm and reliable.

[0040] Further features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of a power distribution cabinet provided in accordance with an embodiment of the present invention.

[0042] Figure 2 for Figure 1 Schematic diagram of the basic frame in the distribution cabinet.

[0043] Figure 3 for Figure 2 Enlarged schematic diagram of point A in the middle.

[0044] Figure 4 for Figure 2 Top view of .

[0045] Figure 5 For the Figure 4 Partial cross-sectional view in the CC direction.

[0046] Figure 6 for Figure 2 Schematic diagram of the basic frame without the first docking beam.

[0047] Figure 7 for Figure 6 Enlarged schematic diagram of point D in the middle.

[0048] Figure 8 for Figure 2 Schematic diagram of another view of the base skeleton.

[0049] Figure 9 for Figure 8 Enlarged schematic diagram of point E in the middle.

[0050] Figure 10 for Figure 2 Schematic diagram of the first docking beam in.

[0051] Figure 11 for Figure 2 Schematic diagram of the adapter in .

[0052] Figure 12 for Figure 9 Schematic diagram of the connecting piece in . DETAILED DESCRIPTION

[0053] The present invention will be described in detail below with reference to the accompanying drawings:

[0054] According to one embodiment of the present invention, a power distribution cabinet is provided. The power distribution cabinet is provided with a cavity for accommodating and installing fuses, fuse breakers or other electrical components. The power distribution cabinet can protect the normal operation of the electrical components inside. Figure 1 and Figure 2 The power distribution cabinet 1 includes a basic frame 10. The basic frame 10 has a horizontal direction X, a longitudinal direction Y and a vertical direction Z.

[0055] See also Figure 2 and Figure 3The basic skeleton 10 may include a column 20, a first crossbeam 30 and a third crossbeam 40. The length of the column 20 may be extended along the length direction. The cross section of the column 20 perpendicular to the vertical direction Z is L-shaped. The column 20 may specifically include a first folding portion 200 and a second folding portion 202. The first folding portion 200 extends along the transverse direction X. The second folding portion 202 extends along the longitudinal direction Y. The surface of the column 20 on one side of the transverse direction X is an uneven staggered structure, which is used to dock and fix with the first docking beam 32 and the second docking beam 34 of the first crossbeam 30 described below.

[0056] The length of the first crossbeam 30 can be extended along the transverse direction X. The first crossbeam 30 is butted and fixed to the first folded edge portion 200 and the second folded edge portion 202 of the column 20 in the transverse direction X.

[0057] The third crossbeam 40 extends along the longitudinal direction Y. The third crossbeam 40 is fixedly connected to the second hem portion 202 and / or the first crossbeam 30. For example, the third crossbeam 40 may be fixedly connected to the second hem portion 202 and the first crossbeam 30. For another example, the third crossbeam 40 may be fixedly connected to the second hem portion 202. For another example, the third crossbeam 40 may be fixedly connected to the first crossbeam 30.

[0058] The column 20 in this embodiment is L-shaped and includes a first folded edge portion 200 and a second folded edge portion 202. The surface of the column 20 on one side in the transverse direction X has an uneven, staggered, stepped structure. The column 20 is fixedly connected to the first crossbeam 30 in the transverse direction X by its staggered, stepped structure. The connection between the column 20 and the first crossbeam 30 is a stepped structure, providing a secure and reliable connection.

[0059] The third crossbeam 40 can be fixedly connected to the second folded edge portion 202 and the first crossbeam 30 , and the connection structure between the three is more firm and reliable.

[0060] In this embodiment, please refer to Figure 2 and Figure 3 The first crossbeam 30 may include a first butt joint crossbeam 32 and a second butt joint crossbeam 34, each independently formed. The first butt joint crossbeam 32 and the second butt joint crossbeam 34 are arranged side by side in the longitudinal direction Y and are fixedly connected to each other. The surface of the first crossbeam 30 on one side in the transverse direction X is configured as an uneven, staggered stepped structure, which can be butt jointed and fixed to the column 20 in the transverse direction X.

[0061] The first butting crossbeam 32 is butted and fixed to the first folded edge portion 200 in the transverse direction X. The second butting crossbeam 34 is butted and fixed to the second folded edge portion 202 in the transverse direction X.

[0062] The upright column 20 and the first cross beam 30 are fixedly connected to form an integral piece, and the specific fixed connection method between the two can be set according to needs, as long as a step structure is formed at the connection point.

[0063] For an optional example, see Figures 4 to 7 The basic frame 10 further includes an adapter 50. The first docking beam 32 and the second docking beam 34 are fixedly connected to each other through the adapter 50. The first docking beam 32 and the first folding portion 200 are fixedly connected to each other through the adapter 50.

[0064] Further, please refer to Figure 10 The first docking beam 32 may be provided with an accommodating portion. For example, the first docking beam 32 may be a semi-enclosed structure, enclosed with an accommodating portion. Figure 11 The adapter 50 is accommodated and installed in the accommodating portion. The adapter 50 may specifically include a first bottom wall 52 , a first side wall 54 and a second side wall 56 .

[0065] The length of the first bottom wall 52 is extended along the horizontal direction X. The width of the first bottom wall 52 is extended along the vertical direction Z. The first bottom wall 52 is fixedly connected to the outer wall of the second docking beam 34 .

[0066] The pair of first side walls 54 protrude from both ends of the width of the first bottom wall 52 along the longitudinal direction Y. The pair of first side walls 54 are fixedly connected to the inner wall of the first connecting beam 32 .

[0067] The second side wall 56 protrudes from one end of the length of the first bottom wall 52 and is fixedly connected to the outer wall of the first folding portion 200 .

[0068] For further information, see Figure 2 、 Figure 3 、 Figure 10 The first docking crossbeam 32 may include a crossbeam bottom wall 322, crossbeam sidewalls 324, and an extension wall 326. The width of the crossbeam bottom wall 322 extends along the vertical direction Z. The length of the crossbeam bottom wall 322 extends along the horizontal direction X. A pair of crossbeam sidewalls 324 protrude from both ends of the width of the crossbeam bottom wall 322 along the longitudinal direction Y and are arranged opposite each other. For example, the pair of crossbeam sidewalls 324 may be arranged parallel to each other. A pair of extension walls 326 protrude from the ends of the pair of crossbeam sidewalls 324 along the vertical direction Z. The pair of extension walls 326 extend toward each other and are separated by a space.

[0069] See also Figure 4 、 Figure 5 The extension wall 326 of the first docking crossbeam 32 is disposed between the first bottom wall 52 and the second docking crossbeam 34. The inner surface of the extension wall 326 is disposed in contact with the first bottom wall 52 and is threadedly connected. The extension wall 326 and the first bottom wall 52 can be threadedly connected by screws 70. For example, the screws 70 can penetrate the extension wall 326 and the first bottom wall 52 to thread the extension wall 326 and the first bottom wall 52.

[0070] The outer surface of the extension wall 326 is aligned with and threadedly connected to the second docking beam 34. The extension wall 326 and the second docking beam 34 can be threadedly connected by screws 70. For example, the screws 70 can sequentially penetrate the second docking beam 34, the extension wall 326, and the first bottom wall 52 to threadably connect the three.

[0071] The first bottom wall 52 and the second docking beam 34 can be threadedly connected. For example, a screw 70 can be sequentially passed through the second docking beam 34, the space between the pair of extension walls 326, and the first bottom wall 52 to threadably connect the first bottom wall 52 and the second docking beam 34.

[0072] The pair of first side walls 54 can be respectively fitted with the pair of crossbeam side walls 324 and threadedly connected. Specifically, the pair of first side walls 54 and the pair of crossbeam side walls 324 can be threadedly connected by screws 70.

[0073] See also Figure 6 、 Figure 7 The second side wall 56 and the first folding portion 200 can be fitted together and threadedly connected. The second side wall 56 and the first folding portion 200 can be threadedly connected by screws 70.

[0074] Also, see Figure 8 and Figure 9 The second docking beam 34 and the second folded edge portion 202 can be threadedly fixed in the horizontal direction X by screws 70.

[0075] In this embodiment, the third crossbeam 40 can be fixedly connected to the first folding portion 200 and the first crossbeam 30, and the specific fixed connection method can be set according to needs.

[0076] For an optional example, see Figure 8 、 Figure 9 、 Figure 12 The base frame 10 further includes a connecting piece 60 . The third cross beam 40 can be fixedly connected to the first folding portion 200 and the first cross beam 30 via the connecting piece 60 .

[0077] Furthermore, the connecting piece 60 may be configured to be L-shaped, and may specifically include a first connecting piece 62 extending along the vertical direction Z and a second connecting piece 64 extending along the horizontal direction X.

[0078] The longitudinal end of the third beam 40 may be provided with a corresponding matching connection portion 42. The matching connection portion 42 is correspondingly provided in an L-shape, and may specifically include a first matching connection portion 422 extending along the vertical direction Z and a second matching connection portion 424 extending along the horizontal direction X.

[0079] The first connecting piece 62 , the first matching connecting portion 422 , and the second folding portion 202 are sequentially arranged side by side in the longitudinal direction Y and are threadedly connected. For example, the first connecting piece 62 , the first matching connecting portion 422 , and the second folding portion 202 can be fixedly connected as a whole by screws 70 .

[0080] The second connecting piece 64 , the second matching connecting portion 424 , and the first crossbeam 30 are sequentially arranged side by side in the longitudinal direction Y and are threadedly connected. For example, the second connecting piece 64 , the second matching connecting portion 424 , and the first crossbeam 30 may be fixedly connected as a whole by screws 70 .

[0081] In this embodiment, please refer to Figure 2 、 Figure 3 The first crossbeam 30 is provided with a first connecting bracket 36 protruding along the transverse direction X. The third crossbeam 40 is provided with a second connecting bracket 46 protruding along the longitudinal direction Y. The first connecting bracket 36 and the second connecting bracket 46 can be arranged at the same height in the vertical direction Z. Threaded holes can be provided on both the first connecting bracket 36 and the second connecting bracket 46 for threaded connection of other components.

[0082] In this embodiment, as shown in the figure, the base frame 10 can be specifically configured as a rectangular parallelepiped structure. The length direction of the base frame 10 extends along the horizontal direction X. The width direction of the base frame 10 extends along the longitudinal direction Y. The height direction of the base frame 10 extends along the vertical direction Z. Correspondingly, the power distribution cabinet 1 corresponds to a cube.

[0083] Also, see Figure 1 and Figure 2 The basic frame 10 of the power distribution cabinet 1 may be fixedly connected to a slide rail or other components. The power distribution cabinet 1 may also include a cover plate 90. The cover plate 90 is connected to the basic frame 10 and is used to block the opening of the basic frame 10, thereby protecting the electrical components in the power distribution cabinet 1.

[0084] In the present invention, the upright post is L-shaped, including a first hem and a second hem. The horizontal surface of the upright post has an uneven, staggered, stepped structure. The upright post is laterally butted and fixed to the first crossbeam via the staggered, stepped structure. The connection between the upright post and the first crossbeam is a stepped structure, providing a secure and reliable connection.

[0085] The third crossbeam can be fixedly connected to the first folded edge portion and the first crossbeam, and the connection structure between the three is more firm and reliable.

[0086] The above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements or improvements within the spirit of the present invention are included in the scope of the claims of the present invention.

Claims

1. A basic skeleton for a power distribution cabinet frame, having horizontal, vertical and vertical directions, wherein the horizontal, vertical and vertical directions are perpendicular to each other; characterized in that: include: A column, wherein the length of the column extends vertically; The cross section of the column perpendicular to the longitudinal direction is L-shaped, including a first folded edge portion extending in the transverse direction and a second folded edge portion extending in the longitudinal direction; A first crossbeam, wherein the length of the first crossbeam is extended in the transverse direction; the first crossbeam is abutted and fixed to the first folded edge portion and the second folded edge portion of the column in the transverse direction; and a third crossbeam, the third crossbeam extending longitudinally and fixedly connected to the second folded edge portion and / or the first crossbeam; The first crossbeam includes a first butt joint crossbeam and a second butt joint crossbeam; the first butt joint crossbeam and the second butt joint crossbeam are arranged side by side in the longitudinal direction and are fixedly connected to each other; The first butt-jointed crossbeam is butt-jointed and fixed to the first folded edge portion in the transverse direction; the second butt-jointed crossbeam is butt-jointed and fixed to the second folded edge portion in the transverse direction; The surface of the column on the lateral side is an uneven staggered step-like structure; The first crossbeam is located on one side of the transverse surface and is configured as an uneven staggered step-like structure; The upright column is butted and fixed with the staggered stepped structure of the first crossbeam in the transverse direction through its staggered stepped structure.

2. The basic frame for a power distribution cabinet frame according to claim 1, characterized in that: Also includes adapters; The first docking beam and the second docking beam are fixedly connected via the adapter; The first butting crossbeam and the first folded edge portion are fixedly connected via the adapter.

3. The basic frame for a power distribution cabinet according to claim 2, characterized in that: The first docking beam is provided with a receiving portion, and the adapter is accommodated and installed in the receiving portion; The adapter comprises a first bottom wall, a first side wall and a second side wall; The first bottom wall is arranged to extend in the transverse direction in length and in the vertical direction in width, and is fixedly connected to the outer wall of the second docking beam; A pair of the first side walls protrude longitudinally from both ends of the width of the first bottom wall and are fixedly connected to the inner wall of the first docking beam; The second side wall protrudes from one end of the length of the first bottom wall and is fixedly connected to the outer wall of the first folded edge portion.

4. The basic frame for a power distribution cabinet according to claim 3, characterized in that: The first docking crossbeam includes a crossbeam bottom wall, a crossbeam side wall and an extension wall; the width of the crossbeam bottom wall is vertically extended; A pair of the beam side walls protrude longitudinally from both ends of the width of the beam bottom wall and are arranged opposite to each other; The pair of extension walls protrude vertically from the end portions of the pair of side walls of the beam, extend toward each other, and are spaced apart. The extension wall is arranged between the first bottom wall and the second docking beam; The inner surface of the extension wall is fitted with the first bottom wall and is threadedly connected; The outer surface of the extension wall is fitted with the second docking beam and is threadedly connected thereto; The first bottom wall is threadedly connected to the second docking beam; The pair of first side walls are respectively fitted with the pair of beam side walls and are threadedly connected; The second side wall is fitted with the first folded edge portion and is threadedly connected to the first side wall.

5. The basic frame for a power distribution cabinet frame according to claim 1, characterized in that: Also includes a connecting piece; The third crossbeam is fixedly connected to the second folded edge portion and the first crossbeam through the connecting piece.

6. The basic frame for a power distribution cabinet according to claim 5, characterized in that: The connecting piece is L-shaped and includes a first connecting piece extending vertically and a second connecting piece extending horizontally; The longitudinal end of the third crossbeam is provided with a matching connection portion; the matching connection portion is L-shaped, including a first matching connection portion extending vertically and a second matching connection portion extending horizontally; The first connecting piece, the first matching connecting portion, and the second folded edge portion are arranged side by side in sequence in the longitudinal direction and are threadedly connected; The second connecting piece, the second matching connecting portion, and the first crossbeam are arranged side by side in sequence in the longitudinal direction and are threadedly connected.

7. The basic frame for a power distribution cabinet according to claim 1, characterized in that: The first crossbeam is provided with a first connecting frame protruding in the transverse direction, and the third crossbeam is provided with a second connecting frame protruding in the longitudinal direction, and the first connecting frame and the second connecting frame are at the same height in the vertical direction; The first connecting frame and the second connecting frame are provided with threaded holes.

8. The basic frame for a power distribution cabinet according to claim 1, characterized in that: The basic skeleton is a rectangular parallelepiped structure; the length direction of the basic skeleton extends in the horizontal direction, the width direction extends in the longitudinal direction, and the height direction extends in the vertical direction.

9. A power distribution cabinet, characterized in that: include: A basic skeleton for a power distribution cabinet frame according to any one of claims 1-8.

Citation Information

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