CN212677477U - Frame section bar for rack - Google Patents
Frame section bar for rack Download PDFInfo
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- CN212677477U CN212677477U CN202021553450.0U CN202021553450U CN212677477U CN 212677477 U CN212677477 U CN 212677477U CN 202021553450 U CN202021553450 U CN 202021553450U CN 212677477 U CN212677477 U CN 212677477U
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- bending edge
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Abstract
The utility model relates to a frame section for rack is bent by the steel sheet and is formed, and the cross section of its frame is the confined framework, and one side of steel sheet forms the intensity unit of bending from the inner chamber that gets into the section bar with the concatenation department of opposite side, and this intensity unit of bending is bent by the first spacing limit that is used for the supporting steel sheet opposite side and is used for supporting the limit constitution of bending in the intensity of inner chamber inner edge, and first spacing limit and intensity are bent the limit and are constituted a contained angle. Compared with the prior art, the utility model discloses reduce because the welding leads to warp to through the design on first spacing limit and the limit of intensity bending, can improve the vertical structural strength of the rack that this section bar was made.
Description
Technical Field
The utility model relates to a section bar especially relates to a frame section bar for rack.
Background
The production cabinet in the railway signal field is generally made of cold-rolled steel plates or aluminum alloys and used for storing control equipment such as signals, communication and the like, and can provide protection for the storage equipment and interference of electromagnetic shielding. The equipment is orderly and orderly arranged, and the equipment maintenance is convenient. In the prior art, in order to meet the use requirements of a cabinet with a frame type structure, the cabinet is made into a frame by adopting 12 sectional materials through mutual welding connection. This approach has the following disadvantages: 1. the requirement on the basic size precision of the width of the inner rail of the frame is high, the key size of the subsequent installation of electrical equipment is ensured, and the welding is easy to deform; 2. the assembled cabinet is difficult to transport due to large volume and low space utilization rate, and if the assembled cabinet is damaged in the carrying process, the assembled cabinet needs to be integrally replaced, so that the resource waste is caused; 3. in order to increase the torsional strength of the section bar, a large amount of welding is needed, a large amount of waste gas is generated during welding, a large amount of dust is generated in the subsequent treatment process, and the environmental pollution is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frame section bar for rack has reduced because the deformation that the welding leads to through the design on first spacing limit and the limit of intensity bending, can improve the longitudinal structure intensity of the rack that this section bar was made.
The purpose of the utility model can be realized through the following technical scheme:
the frame section bar for the machine cabinet is formed by bending a steel plate, the cross section of an outer frame of the frame section bar is a closed frame body, one side of the steel plate enters an inner cavity of the section bar from a splicing part with the other side to form a strength bending unit, the strength bending unit is composed of a first limiting edge used for supporting the other side of the steel plate and a strength bending edge supported on the inner edge of the inner cavity, and an included angle is formed by the first limiting edge and the strength bending edge.
Furthermore, the first limiting edge is perpendicular to the strength bending edge.
Further, the cross section of the outer frame of the profile comprises an inner supporting part, an outer supporting part, a second limiting edge and a third limiting edge, wherein the second limiting edge and the third limiting edge are connected with the inner supporting part and the outer supporting part.
Further, one side of the steel plate is positioned in the outer support portion from a joint with the other side.
Furthermore, the inner support part comprises a third inner bending edge, a second inner bending edge and a first inner bending edge which are connected in sequence.
Furthermore, the side surfaces of the outer frame corresponding to the third inner bending edge, the second inner bending edge and the first inner bending edge are provided with mounting holes.
Furthermore, the second inner bending edge is perpendicular to the third inner bending edge and the first inner bending edge respectively.
Further, outer supporting part is including the second sealed limit that sets gradually, the first limit of bending outward, the first sealed limit, the second limit of bending outward and the third limit of bending outward, the third limit of bending outward is connected the third limit of bending inward through the second limit, the first limit of bending inward is connected through the third limit of bending to the second sealed limit, the first limit of bending outward, the first sealed limit and the second limit of bending outward connect gradually, the first limit of bending is connected to the second limit of bending outward.
Furthermore, the side faces of the outer frame corresponding to the first outer bending edge, the second outer bending edge and the third outer bending edge are provided with mounting holes.
Further, the mounting hole includes a special-shaped hole and a round hole.
Furthermore, the included angle between the first outer bending edge and the first inner bending edge is 45 degrees.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the deformation caused by welding is reduced, and the longitudinal structural strength of the cabinet made of the sectional material can be improved through the design of the first limiting edge and the strength bending edge.
2) In the design of the inner supporting part, the second inner bending edge is used for tightening the lock rod on the door panel, so that the sealing performance of the cabinet is ensured.
3) The scrap quantity is reduced, the production cost is saved, and the product quality is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of a profile structure according to the present invention;
fig. 2 is a schematic cross-sectional view of another profile structure of the present invention;
FIG. 3 is a schematic structural view of a profile;
FIG. 4 is a schematic view of a cabinet frame;
wherein: 1. the first outer bending edge, 2, the first sealing edge, 3, the second outer bending edge, 4, the first limit edge, 5, the third outer bending edge, 6, the second limit edge, 7, the third inner bending edge, 8, the second inner bending edge, 9, the first inner bending edge, 10, the third limit edge, 11, the second sealing edge, 12, the strength bending edge, 13, the special-shaped hole, 14, the round hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A frame section bar for a cabinet is formed by bending a steel plate, as shown in figures 1-3, the cross section of an outer frame of the frame section bar is a closed frame body, one side of the steel plate enters an inner cavity of the section bar from a splicing position with the other side to form a strength bending unit, the strength bending unit is composed of a first limiting edge 4 used 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 included angle, so that two sides of the first limiting edge 4 respectively form a cavity, in the embodiment, the first limiting edge 4 is perpendicular to the strength bending edge 12, and therefore, the structural strength can be stronger. The deformation caused by welding is reduced, and the longitudinal structural strength of the cabinet made of the sectional material can be improved through the design of the first limiting edge and the strength bending edge. Can enough guarantee that the section bar has good antitorque distortion and bulk strength, also make the section bar can reach IP level sealed, have fine waterproof dustproof performance, and the rack of assembling by this kind of section bar even use under the circumstances that the environment is extremely poor, also can provide fine barrier propterty to installing equipment such as the computer inside the rack.
The cross-section of the outer frame of the profile comprises an inner support part and an outer support part, and a second 6 and a third 10 limiting edge connecting the inner and outer support parts.
One side of the steel plate is located in the outer support portion from the splice with the other side.
The inner supporting part 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. The side surfaces of the outer frame corresponding to the third inner bending edge 7, the second inner bending edge 8 and the first inner bending edge 9 are all provided with mounting holes. As shown in fig. 1, the second inner bending edge 8 is perpendicular to the third inner bending edge 7 and the first inner bending edge 9, respectively. Certainly, the structure shown in fig. 2 can also be adopted, the second inner bending edge 8, the third inner bending edge 7 and the first inner bending edge 9 form an included angle which is not a right angle, and the second inner bending edge is used for tightening up the lock rod on the door panel, so that the sealing performance of the cabinet is ensured. In addition, the strength bent edge 12 and the third inner bent edge 7 are closely arranged and connected.
Outer supporting part is including the second sealed limit 11 that sets gradually, first outer limit 1 of bending, first sealed limit 2, the second is outer 3 of bending and the third is outer 5 of bending, the third is outer 5 of bending is connected the third through the spacing limit 6 of second and is bent limit 7 in the third, the first limit 9 of bending in the second sealed limit 11 is connected through the spacing limit 10 of third, second sealed limit 11, first outer limit 1 of bending, first sealed limit 2 and the second is outer 3 of bending connect gradually, the first spacing limit 4 is connected to the second outer limit 3 of bending. The side surfaces of the outer frame corresponding to the first outer bending edge 1, the second outer bending edge 3 and the third outer bending edge 5 are all provided with mounting holes. The mounting holes positioned at the two end parts are used for allowing screws or pins to pass through the connecting sections to assemble and position the frame of the cabinet, and the mounting holes positioned between the two end parts are used for mounting external accessories of the cabinet;
the positions of the first outer bending edge 1, the first sealing edge 11 and the second sealing edge 2 are used for pasting EMC sealing strips.
The mounting hole includes heterotypic hole 13 and round hole 14, and heterotypic hole 13 sets up along the length direction of section bar equidistant, and is specific, and heterotypic hole 13 is seted up and is being bent the edge in the third.
The included angle between the first outer bending edge 1 and the first inner bending edge 9 is 45 degrees.
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 mounting holes are formed in the two end parts, facing the outside, of the first outer bent edge of the section bar, the section bar can be connected in a screwing mode, a riveting mode and the like so as to be assembled into a cabinet frame, compared with a traditional welding mode, the assembling is simple and convenient, the efficiency is greatly improved in the aspects of transportation, installation, production, storage and the like, the reasonable utilization and configuration of resources are realized, the resources are saved, and the pollution to the environment is reduced; the outer edge of bending is seted up a plurality of mounting holes and can be conveniently be with the section bar equipment also the outside relevant accessories such as fixed door plant, curb plate of easy to assemble, and the mounting hole that the edge was seted up according to certain sequence is bent to the interior, and the equipment of installation can be expanded freely in a flexible way in the rack inside.
As shown in fig. 3, the internal devices of the cabinet, such as computers, controllers, and the like, need to be protected, and internal racks for supporting these devices, and the like. The special-shaped holes 13 and the round holes 14 are formed in the third inner bending edge 7 and used for recognition, and mounting positions can be conveniently recognized when internal equipment is mounted. The mounting hole enables the mounting arrangement and the expansion of internal equipment to be more flexible and convenient.
As shown in the combined figure 4, the frame section bar can ensure that the section bar has good anti-distortion and overall strength, and can achieve IP-level sealing, so that the frame section bar has good waterproof and dustproof performance, and the cabinet assembled by the section bar can provide good protection performance for computers and other equipment installed in the cabinet even if the cabinet is used under the condition of extremely poor environment. Through tests, the strength of the cabinet frame made of the sectional material provided by the embodiment can be more than 30%.
Claims (10)
1. The frame section bar for the machine cabinet is formed by bending a steel plate, the cross section of the outer frame of the frame section bar is a closed frame body, and the frame section bar is characterized in that one side of the steel plate enters an inner cavity of the section bar from a splicing position with the other side to form a strength bending unit, the strength bending unit is composed of a first limiting edge (4) used 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 an included angle is formed by the first limiting edge (4) and the strength bending edge (12).
2. Frame profile for cabinets/enclosures, according to claim 1, characterized in that said first limiting edge (4) and said strength bend (12) are perpendicular.
3. A frame profile for cabinets/enclosures as claimed in claim 1, characterized in that the cross-section of the profile's outer frame comprises an inner and an outer support part, and a second (6) and a third (10) limiting edge connecting the inner and outer support parts.
4. A frame profile for cabinets/enclosures according to claim 3, characterized in that said inner support portion comprises a third inner bend (7), a second inner bend (8) and a first inner bend (9) connected in series.
5. The frame profile for cabinets of claim 4, wherein the outer frame has mounting holes on the sides corresponding to the third inner bent edge (7), the second inner bent edge (8) and the first inner bent edge (9).
6. The frame profile for cabinets of claim 4, wherein the second inner bending edge (8) is perpendicular to the third inner bending edge (7) and the first inner bending edge (9), respectively.
7. The frame profile for the cabinet as claimed in claim 4, wherein the outer supporting portion comprises 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 sequentially arranged, the third outer bending edge (5) is connected with a third inner bending edge (7) through a second limiting edge (6), the second sealing edge (11) is connected with a 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 sequentially connected, and the second outer bending edge (3) is connected with the first limiting edge (4).
8. The frame profile for cabinets of claim 7, wherein the outer frame has mounting holes on the sides corresponding to the first (1), second (3) and third (5) outer folds.
9. Frame profile for cabinets/enclosures, according to claim 5 or 8, characterized in that said mounting holes comprise profiled holes (13) and round holes (14).
10. Frame profile for cabinets/enclosures, according to claim 7, characterized in that the angle between the first outer bend (1) and the first inner bend (9) is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553450.0U CN212677477U (en) | 2020-07-31 | 2020-07-31 | Frame section bar for rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553450.0U CN212677477U (en) | 2020-07-31 | 2020-07-31 | Frame section bar for rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212677477U true CN212677477U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021553450.0U Active CN212677477U (en) | 2020-07-31 | 2020-07-31 | Frame section bar for rack |
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| CN (1) | CN212677477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022022131A1 (en) * | 2020-07-31 | 2022-02-03 | 上海铁路通信有限公司 | Cabinet framework |
| WO2022022130A1 (en) * | 2020-07-31 | 2022-02-03 | 上海铁路通信有限公司 | Frame profile for cabinet |
-
2020
- 2020-07-31 CN CN202021553450.0U patent/CN212677477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022022131A1 (en) * | 2020-07-31 | 2022-02-03 | 上海铁路通信有限公司 | Cabinet framework |
| WO2022022130A1 (en) * | 2020-07-31 | 2022-02-03 | 上海铁路通信有限公司 | Frame profile for cabinet |
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