A cabinet frame

Abstract

The present invention relates to a cabinet frame, comprising 8 beams and 4 columns corresponding to 12 edges, and 8 connectors located at 8 vertices for connecting the beams and the columns. The beams and the columns are made of profiles, which are formed by bending steel plates, and the cross section of the outer frame is a closed frame. One side of the steel plate enters the inner cavity of the profile from the joint with the other side to form a strength bending unit. The strength bending unit divides the space in the outer frame into two inner cavities. Three connecting parts are provided on the connector, and the three connecting parts are respectively matched with the inner cavities of a column and two beams. Compared with the prior art, the present invention has the advantages of overall load-bearing strength, high torsional strength, and a wide range of applications.

Description

Technical Field

[0001] The invention relates to the field of railway communications, and in particular to a cabinet frame. Background Art

[0002] The cabinets produced in the railway signal field are generally made of cold-rolled steel plates or aluminum alloys to store control equipment such as signals and communications, which can provide protection for the stored equipment and electromagnetic shielding interference. Arrange the equipment in an orderly and neat manner to facilitate future equipment maintenance. In the prior art, in order to meet the use requirements, the cabinet with a frame structure uses 12 profiles that are welded together to form a frame. This method has the following disadvantages: 1. The basic dimensional accuracy of the inner width of the frame is high, which is the key dimension to ensure the subsequent installation of electrical equipment, and welding is easy to deform; 2. The assembled cabinet is difficult to transport due to its large size, and the space utilization rate is low. If it is damaged during transportation, it needs to be replaced as a whole, resulting in a waste of resources; 3. In order to increase the torsional strength of the profile, a large amount of welding is required, and welding will produce a large amount of exhaust gas, and the subsequent processing process will produce a large amount of dust, which will cause great pollution to the environment. Summary of the invention

[0003] The purpose of the present invention is to provide a cabinet frame with high overall load-bearing strength, high torsional strength and wide application range.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A cabinet frame comprises 8 beams and 4 columns corresponding to 12 edges respectively, and 8 connectors located at 8 vertices for connecting the beams and the columns, wherein the beams and the columns are both made of profiles, wherein the profiles are formed by bending steel plates, and the cross section of the outer frame is a closed frame, wherein one side of the steel plate enters the inner cavity of the profile from the joint with the other side to form a strength bending unit, wherein the strength bending unit divides the space in the outer frame into two inner cavities, and the connector is provided with three connecting parts, which respectively cooperate with the inner cavities of a column and two beams.

[0006] Furthermore, the strength bending unit is composed of a first limiting edge for supporting the other side of the steel plate and a strength bending edge supported on the inner edge of the inner cavity, and the first limiting edge and the strength bending edge form an angle.

[0007] Furthermore, the first limiting edge and the strength bending edge are perpendicular.

[0008] Furthermore, the cross-sections of the eight beams are the same.

[0009] Furthermore, the cross section of the outer frame of the profile includes an inner supporting portion, an outer supporting portion, and a second limiting edge and a third limiting edge connecting the inner supporting portion and the outer supporting portion.

[0010] Furthermore, the inner supporting portion includes a third inner bending edge, a second inner bending edge and a first inner bending edge which are connected in sequence.

[0011] Furthermore, the outer supporting part includes a second sealing edge, a first outer bending edge, a first sealing edge, a second outer bending edge and a third outer bending edge arranged in sequence, the third outer bending edge is connected to the third inner bending edge through a second limiting edge, the second sealing edge is connected to the first inner bending edge through the third limiting edge, the second sealing edge, the first outer bending edge, the first sealing edge and the second outer bending edge are connected in sequence, and the second outer bending edge is connected to the first limiting edge.

[0012] Furthermore, in the profile constituting the column, the second inner bending edge is perpendicular to the first inner bending edge and the third inner bending edge respectively;

[0013] In the profile constituting the crossbeam, the included angle between the second inner bending edge and the first inner bending edge is an obtuse angle, the included angle between the second inner bending edge and the third inner bending edge is an acute angle, and the first inner bending edge and the third inner bending edge are parallel.

[0014] Furthermore, the included angle between the first outer bending edge and the first inner bending edge is 45 degrees.

[0015] Furthermore, the outer frame is provided with mounting holes on the side surfaces corresponding to the first outer bending edge, the second outer bending edge, the third outer bending edge, the third inner bending edge, the second inner bending edge and the first inner bending edge.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. High overall load-bearing strength, high torsional strength and wide application range.

[0018] 2. Quick installation and improved installation efficiency.

[0019] 3. Reduce scrap volume, save production costs and improve product quality.

[0020] 4. Reduce frame deformation due to welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of the cabinet EMC frame of the embodiment;

[0022] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0023] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0024] FIG4( a) is a cross-sectional view of a profile of a column;

[0025] FIG4( b ) is a cross-sectional view of the profile of the crossbeam;

[0026] Figure 4(c) is a side view of the profile;

[0027] Figure 5(a) and Figure 5(b) are schematic structural diagrams of the connecting member;

[0028] Among them: 1. first outer bending edge, 2. first sealing edge, 3. second outer bending edge, 4. first limiting edge, 5. third outer bending edge, 6. second limiting edge, 7. third inner bending edge, 8. second inner bending edge, 9. first inner bending edge, 10. third limiting edge, 11. second sealing edge, 12. strength bending edge, 13. special-shaped hole, 14. round hole, 15. upper frame, 16. lower frame, 17. column, 18. connecting piece. DETAILED DESCRIPTION

[0029] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0030] A cabinet frame, such as Figure 1-Figure 3 As shown, it includes 8 cross beams corresponding to 12 edges, 4 columns 17, and 8 connecting members 18 located at 8 vertices for connecting the cross beams and the columns 17. The cross beams and the columns 17 are made of profiles, which are bent from steel plates, and the cross section of the outer frame is a closed frame, as shown in FIG. Figure 4(a)-Figure 4(c) As shown, one side of the steel plate enters the inner cavity of the profile from the joint with the other side to form a strength bending unit, which divides the space in the outer frame into two inner cavities. The connector 18 is provided with three connecting parts, which respectively cooperate with a column 17 and the inner cavities of two beams. The connector 18 is located at the top and bottom corners of the frame, and the connector 18, the column 17, the upper frame 15 and the lower frame 16 are connected to form a cubic frame.

[0031] The strength bending unit is composed of a first limiting edge 4 for supporting the other side of the steel plate and a strength bending edge 12 supported on the inner edge of the inner cavity, and the first limiting edge 4 and the strength bending edge 12 form an angle. The first limiting edge 4 and the strength bending edge 12 are perpendicular. The cross sections of the eight beams are the same.

[0032] The cross section of the outer frame of the profile includes an inner supporting portion and an outer supporting portion, and a second limiting edge 6 and a third limiting edge 10 connecting the inner supporting portion and the outer supporting portion.

[0033] The inner supporting portion comprises a third inner bending edge 7, a second inner bending edge 8 and a first inner bending edge 9 which are connected in sequence.

[0034] The outer supporting part includes a second sealing edge 11, a first outer bending edge 1, a first sealing edge 2, a second outer bending edge 3 and a third outer bending edge 5 which are arranged in sequence. The third outer bending edge 5 is connected to the third inner bending edge 7 through a second limiting edge 6. The second sealing edge 11 is connected to the first inner bending edge 9 through a third limiting edge 10. The second sealing edge 11, the first outer bending edge 1, the first sealing edge 2 and the second outer bending edge 3 are connected in sequence, and the second outer bending edge 3 is connected to the first limiting edge 4.

[0035] In the profile constituting the column 17, the second inner bending edge 8 is perpendicular to the first inner bending edge 9 and the third inner bending edge 7 respectively;

[0036] In the profile constituting the crossbeam, the included angle between the second inner bending edge 8 and the first inner bending edge 9 is an obtuse angle, the included angle between the second inner bending edge 8 and the third inner bending edge 7 is an acute angle, and the first inner bending edge 9 and the third inner bending edge 7 are parallel.

[0037] The outer frame is provided with mounting holes on the side surfaces corresponding to the first outer bending edge 1, the second outer bending edge 3, the third outer bending edge 5, the third inner bending edge 7, the second inner bending edge 8 and the first inner bending edge 9. The mounting holes located between the two ends are used to install the external accessories of the cabinet; the first outer bending edge 1 and the first sealing edge 2 and the second sealing edge 11 are used to paste the EMC sealing strip. The first inner bending edge 9 and the second inner bending edge 8, the second inner bending edge 8 and the third inner bending edge 7 all form a "Z" shape, and the opening of the "Z" shape formed by the second inner plate and the third inner plate faces the inside of the cabinet; the first limiting edge 4 and the first sealing edge 2, the second limiting edge 6 and the second sealing edge 11 all form a "Z" shape, and the opening of the "Z" shape faces the inner cavity. The first outer bending edge 1 and the second outer bending edge 3 each have a portion located outside the inner cavity; the first inner bending edge 9 and the second inner bending edge 8 each have a portion located inside the inner cavity; the first strength bending edge 12 and the third inner bending edge 7 structural plates are superimposed and connected, and the connection is through along the length direction of the profile. The third outer bending edge 5 is connected to the first limiting edge 4 at the outside of the interface edge. The inner cavities of the two end columns 17 of the first outer bending edge 1 are connected to the two end columns 17 through the connector 18 to assemble and position into a cabinet frame. The mounting holes are divided into round holes 14 and special-shaped holes 13, and the special-shaped holes 13 are arranged at equal intervals along the length direction of the profile. The special-shaped holes 13 are opened on the third inner bending edge 7. The first inner bending edge 9 is parallel to the second outer bending edge 3, and the third inner bending edge 7 is parallel to the third outer bending edge 5; the angle between the first outer bending edge 1 and the first inner bending edge 9 is 45 degrees.

[0038] The crossbeam profile includes a first outer bending edge 1, a first sealing edge 2, a second outer bending edge 3, a first limiting edge 4, a third outer bending edge 5, a second limiting edge 6, a third inner bending edge 7, a second inner bending edge 8, a first inner bending edge 9, a third limiting edge 10, a second sealing edge 11, and a first strength bending edge 12, which are fixedly connected in sequence. An inner cavity is formed between each edge, and the connection between each plate is sealed. The first outer bending edge 1 and the first sealing edge 2 and the second sealing edge 11 are used to paste the EMC sealing strip. The first inner bending edge 9 and the second inner bending edge 8, the second inner bending edge 8 and the third inner bending edge 7 all form an "L" shape, and the opening of the "L" shape formed by the second inner plate and the third inner plate faces the inside of the cabinet; the first limiting edge 4 and the first sealing edge 2, the second limiting edge 6 and the second sealing edge 11 all form an "L" shape, and the opening of the "L" shape faces the inner cavity. The first outer bending edge 1 and the second outer bending edge 3 each have a portion located outside the inner cavity; the first inner bending edge 9 and the second inner bending edge 8 each have a portion located inside the inner cavity; the first strength bending edge 12 and the third inner bending edge 7 structural plates are superimposed and connected, and the connection is continuous along the length direction of the profile. The third outer bending edge 5 is connected to the first limiting edge 4 at the outside of the interface edge. The two ends of the first outer bending edge 1 are located in the inner cavity of the two end columns 17 and are connected to the two end columns 17 through connectors 18 to assemble and position into a cabinet frame. The mounting holes are divided into circular holes 14 and special-shaped holes 13, and the special-shaped holes 13 are arranged at equal intervals along the length direction of the profile. The special-shaped holes 13 are opened on the third inner bending edge 7. The first inner bending edge 9 is parallel to the second outer bending edge 3, and the third inner bending edge 7 is parallel to the third outer bending edge 5;

[0039] As shown in Figures 5(a) and 5(b), the cabinet frame connector 18 is made of cast aluminum and die-cast. This material has the characteristics of high strength and impact resistance. The cabinet frame connector 18 is installed. Adding connectors 18 to the cabinet frame welding reduces the argon arc welding area and reduces the deformation of the frame due to welding. The connector 18 is made of cast aluminum die-casting and closely matches the frame profile to increase the overall load-bearing strength of the frame.

Claims

1. A cabinet frame, comprising 8 beams corresponding to 12 edges, 4 columns, and 8 connectors located at 8 vertices for connecting the beams and the columns, characterized in that: The cross beam and the column are both made of profiles, the profiles are formed by bending steel plates, and the cross section of the outer frame is a closed frame, one side of the steel plate enters the inner cavity of the profile from the joint with the other side to form a strength bending unit, the strength bending unit divides the space in the outer frame into two inner cavities, and the connector is provided with three connecting parts, which respectively cooperate with the inner cavities of a column and two cross beams; The cross section of the outer frame of the profile includes an inner supporting portion and an outer supporting portion, and a second limiting edge and a third limiting edge connecting the inner supporting portion and the outer supporting portion; The inner support portion includes a third inner bending edge, a second inner bending edge and a first inner bending edge connected in sequence; The outer supporting part includes a second sealing edge, a first outer bending edge, a first sealing edge, a second outer bending edge and a third outer bending edge which are arranged in sequence, the third outer bending edge is connected to the third inner bending edge via a second limiting edge, the second sealing edge is connected to the first inner bending edge via a third limiting edge, the second sealing edge, the first outer bending edge, the first sealing edge and the second outer bending edge are connected in sequence, the second outer bending edge is connected to the first limiting edge, and the end of the third outer bending edge is supported on the first limiting edge.

2. A cabinet frame according to claim 1, characterized in that: The strength bending unit is composed of a first limiting edge for supporting the other side of the steel plate and a strength bending edge supported on the inner edge of the inner cavity, and the first limiting edge and the strength bending edge form an angle.

3. A cabinet frame according to claim 2, characterized in that: The first limiting edge is perpendicular to the strength bending edge.

4. The cabinet frame according to claim 1, characterized in that: The cross-sections of the eight beams are identical.

5. The cabinet frame according to claim 1, characterized in that: In the profile constituting the column, the second inner bending edge is perpendicular to the first inner bending edge and the third inner bending edge respectively; In the profile constituting the crossbeam, the included angle between the second inner bending edge and the first inner bending edge is an obtuse angle, the included angle between the second inner bending edge and the third inner bending edge is an acute angle, and the first inner bending edge and the third inner bending edge are parallel.

6. The cabinet frame according to claim 1, characterized in that: The included angle between the first outer bending edge and the first inner bending edge is 45 degrees.

7. The cabinet frame according to claim 1, characterized in that: The outer frame is provided with mounting holes on the side surfaces corresponding to the first outer bending edge, the second outer bending edge, the third outer bending edge, the third inner bending edge, the second inner bending edge and the first inner bending edge.

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