CN221176995U - Lower beam for power distribution cabinet - Google Patents
Lower beam for power distribution cabinet Download PDFInfo
- Publication number
- CN221176995U CN221176995U CN202322648057.XU CN202322648057U CN221176995U CN 221176995 U CN221176995 U CN 221176995U CN 202322648057 U CN202322648057 U CN 202322648057U CN 221176995 U CN221176995 U CN 221176995U
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- China
- Prior art keywords
- beam body
- power distribution
- distribution cabinet
- extension
- extension board
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- 238000013016 damping Methods 0.000 claims description 25
- 230000000670 limiting effect Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003491 array Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Patch Boards (AREA)
Abstract
The utility model discloses a lower cross beam for a power distribution cabinet, which relates to the field of power distribution cabinets and comprises a beam body and an extension plate, wherein the beam body and the extension plate are both of L-shaped structures, a plurality of equally-spaced mounting holes are formed in the middle of the bottom surface of the beam body, a plurality of equally-spaced vent holes are formed in the middle of the side surface of the beam body, a mounting frame is fixed on the inner side of the side surface of the beam body, the mounting frame is arranged at the edge of an inner opening of the vent hole, and a filter element is inserted into the mounting frame. According to the power distribution cabinet, the extension plates are arranged at the two ends of the beam body, so that the cross beam can be adjusted according to the distance between the two adjacent upright posts, the power distribution cabinet with the upright posts at different distances is met, the vent holes are formed in the beam body, and meanwhile, the detachable filter pieces are arranged at the inner sides of the vent holes, so that the vent holes can not bring external dust or foreign matters into the cabinet body while enhancing the heat dissipation performance of the cabinet body.
Description
Technical Field
The utility model relates to the field of power distribution cabinets, in particular to a lower cross beam for a power distribution cabinet.
Background
The power distribution cabinet is the final-stage equipment of the power distribution system and is used in occasions with scattered load and relatively high loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. The existing electric cabinet generally adopts a closed dustproof type structure, the shell is formed by bending a cold-rolled steel plate and can be used as a switching power supply, a voltmeter is arranged in front of the power distribution cabinet and used for indicating the voltage of a bus bar, a door is arranged in front of the power distribution cabinet, and after the door is opened, equipment in the cabinet is exposed and is convenient to overhaul and maintain. The power distribution cabinet is provided with an air circuit breaker and a fuse as short-circuit protection. Existing power distribution cabinets typically employ integral welding. With the development of the power distribution industry, the structure of the power distribution cabinet body gradually receives more and more attention from the market, and the strength requirement on the power distribution cabinet body is also higher and higher. The common solution is to use a beam with folded edges at two ends, and because the connection of the beam and the upright is a folding surface leaning way, the structure is difficult to meet the strength requirement, and therefore, a reinforcing angle is additionally arranged at the connection position of the corner of the beam and the upright.
The utility model discloses a lower cross beam of a power distribution cabinet, which is disclosed by the utility model with the bulletin number of CN203660307U, and comprises a beam body and side plates, wherein the side plates comprise a transverse side plate and a vertical side plate, the transverse side plate comprises a front transverse side plate and a rear transverse side plate, the extending part of the front transverse side plate is bent to be 7-shaped, and the part of the beam body extends beyond a door frame and the exceeding part is cut and folded to form the vertical side plate; the inner surface of the front transverse side plate corresponds to the front end surface of the door frame, and the front transverse side plate is provided with a connecting hole which corresponds to the connecting hole on the front end surface of the door frame; and the front transverse side plate is provided with a vent hole. The structure is simplified, and the rigidity of the joint of the corner of the cabinet body framework is increased due to the fact that the door frame is connected with the door frame in a laminated mode and simultaneously connected with the lower deep beam; the back of the vent hole is not shielded, and the heat dissipation performance of the cabinet body is improved.
Above-mentioned switch board bottom end rail is fixed the setting in an organic whole for it can not be adjusted according to the interval size of two adjacent stands, and above-mentioned bottom end rail is provided with ventilation structure moreover, although strengthened the heat dispersion of the cabinet body, but it does not set up filtration, makes external dust or foreign matter get into the cabinet body along the ventilation hole easily, causes the influence to the internal electronic component of cabinet. Therefore, it is necessary to invent a lower beam for a power distribution cabinet to solve the above problems.
Disclosure of utility model
The utility model aims to provide a lower cross beam for a power distribution cabinet, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a underbeam that switch board was used, includes beam body and extension board, beam body and extension board all set up to L shape structure, a plurality of equidistant mounting holes that distribute have been seted up at the bottom surface middle part of beam body, install on the bottom plate of the cabinet body through the mounting hole, a plurality of equidistant air vents that distribute have been seted up at the side middle part of beam body, the side inboard of beam body is fixed with the installing frame, and the cross-section of installing frame sets up to L shape structure, the installing frame sets up in the inboard opening edge of air vent, peg graft in the inside of installing frame has the filter, the extension board is provided with two, and two extension boards set up respectively in the both ends of beam body, the outside of extension board is laminated mutually with the inboard of beam body, and the bottom surface of extension board is connected with the beam body through first locating part, the side of extension board is connected with the beam body through the second locating part, the one end that the beam body was kept away from to the extension board is fixed with the curb plate, set up a plurality of connecting holes that are annular array distribution on the curb plate, the curb plate passes through connecting hole and stand fixed connection.
Preferably, the side outside of extension board is fixed with two vertical dovetails sliders that distribute, and the inside of dovetailing slider is inlayed and is had the strengthening rib, has increased the intensity of extension board, the dovetailed spout that corresponds with it has been seted up to the side inboard of beam body, the dovetailed slider is located the inside of dovetailed spout.
Preferably, the filter element comprises a filter screen plate, a sealing strip is arranged at one side edge of the filter screen plate, and the sealing strip is attached to the inner wall of the side face of the beam body.
Preferably, the first limiting part comprises studs fixed at two ends of the bottom surface of the beam body, and hexagonal bolts are connected to the outer side of the upper end of each stud through internal and external threads and are located above the bottom surface of the extension plate.
Preferably, the first limiting part further comprises a linear empty groove formed in one end of the bottom surface of the extension plate, the stud is in penetrating connection with the linear empty groove, damping protrusions are arranged on two sides of an opening at the upper end of the linear empty groove, the damping protrusions correspond to the hexagonal bolts, and the damping protrusions play a role in damping limiting when being attached to the hexagonal bolts.
Preferably, the second limiting part comprises a screw groove formed in one end of the side face of the extension plate, a threaded knob is connected in the screw groove in a penetrating manner, damping layers are embedded on inner walls of two ends of the side face of the beam body, the threaded knob corresponds to the damping layers, and the threaded knob plays a role in damping limiting when in contact with the damping layers.
The utility model has the technical effects and advantages that:
According to the utility model, the extension plates are arranged at the two ends of the beam body, the extension plates enable the cross beam to be adjusted according to the distance between the two adjacent stand columns, the power distribution cabinet with stand columns at different distances is met, the extension plates are fixed on the beam body through the first limiting piece and the second limiting piece, the limiting strength of the extension plates and the beam body is improved, the integral strength of the cabinet body is not influenced, the vent holes are formed in the beam body, and meanwhile, the detachable filter piece is arranged at the inner side of the vent holes, so that the vent holes can not bring external dust or foreign matters into the cabinet body while enhancing the heat dissipation performance of the cabinet body.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic perspective view of a beam structure according to the present utility model.
FIG. 3 is a schematic view of a filter according to the present utility model.
Fig. 4 is a schematic view of an extension board structure of the present utility model.
Fig. 5 is a schematic cross-sectional view of a second limiting member according to the present utility model.
In the figure: 1. a beam body; 2. a mounting hole; 3. a vent hole; 4. a mounting frame; 5. a filter; 6. an extension plate; 7. a first limiting member; 8. a second limiting piece; 9. a side plate; 10. a connection hole; 11. dovetail slide blocks; 12. dovetail grooves; 13. a filter screen plate; 14. a sealing strip; 15. a stud; 16. a hexagonal bolt; 17. a linear empty slot; 18. damping protrusion; 19. a screw groove; 20. a threaded knob; 21. a damping layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a lower cross beam for a power distribution cabinet as shown in figures 1-5, which comprises a beam body 1 and an extension plate 6, wherein the beam body 1 and the extension plate 6 are of L-shaped structures, a plurality of equally-spaced mounting holes 2 are formed in the middle of the bottom surface of the beam body 1, the mounting holes 2 are mounted on the bottom plate of the cabinet body through locking bolts, a plurality of equally-spaced vent holes 3 are formed in the middle of the side surface of the beam body 1, the vent holes 3 correspond to hole positions on a cabinet door, the effect of enhancing heat dissipation is achieved, a mounting frame 4 is fixed on the inner side of the side surface of the beam body 1, the mounting frame 4 is arranged at the edge of an inner opening of the vent hole 3, a filter element 5 is inserted into the mounting frame 4, the cross section of the mounting frame is of an L-shaped structure, the filter element 5 is convenient to insert, the filter element 5 comprises a filter screen 13, sealing strips 14 are arranged on one side edge of the filter screen 13, the sealing strips 14 are attached to the inner side surface of the beam body 1, and the sealing strips 14 play an edge sealing effect.
Specifically, extension board 6 is provided with two, two extension boards 6 set up respectively in the both ends of roof beam body 1, the side outside of extension board 6 is fixed with two vertical dovetails slider 11 that distribute, the inside of dovetailed slider 11 is inlayed and is had the strengthening rib, the intensity of extension board has been increased, dovetailed spout 12 that corresponds with it has been seted up to the side inboard of roof beam body 1, dovetailed slider 11 is located the inside of dovetailed spout 12, play the effect of strengthening connection, the outside of extension board 6 is laminated with the inboard of roof beam body 1, and the bottom surface of extension board 6 is connected with roof beam body 1 through first locating part 7, the side of extension board 6 is connected with roof beam body 1 through second locating part 8, first locating part 7 and the spacing intensity of extension board 6 has been improved in the cooperation of roof beam body 1, the one end that extension board 6 kept away from roof beam body 1 is fixed with curb plate 9, a plurality of connecting holes 10 that are the annular array distribution have been seted up on the curb plate 9, curb plate 9 is fixed on the stand of cabinet body through connecting hole 10 and screw.
More specifically, the first limiting part 7 comprises a stud 15 fixed at two ends of the bottom surface of the beam body 1, the outer side of the upper end of the stud 15 is connected with a hexagon bolt 16 through internal and external threads, the first limiting part 7 further comprises a linear empty slot 17 formed in one end of the bottom surface of the extension plate 6, the stud 15 is connected with the linear empty slot 17 in a penetrating manner, damping protrusions 18 are arranged on two sides of the upper end opening of the linear empty slot 17, the damping protrusions 18 correspond to the hexagon bolt 16, the damping protrusions 18 play a damping limiting role when being attached to the hexagon bolt 16, the extension plate 6 is limited, the second limiting part 8 comprises a threaded slot 19 formed in one end of the side surface of the extension plate 6, a threaded knob 20 is connected with the inner walls of two ends of the side surface of the beam body 1 in a penetrating manner, the threaded knob 20 corresponds to the damping layer 21, the threaded knob 20 plays a damping limiting role in cooperation with the damping layer 21, the extension plate 6 is further limited, and the limiting strength of the extension plate 6 and the beam body 1 is further limited.
The working principle of the utility model is as follows:
When the device is installed, firstly, the locking bolt is inserted into the installation hole 2, the beam body 1 is fixedly connected with the bottom plate of the cabinet body through the locking bolt, then the extension plate 6 is stretched until the side plate 9 on the extension plate 6 is attached to the upright post of the cabinet body, then the locking screw is inserted into the connection hole 10, the side plate 9 is fixed to the upright post through the locking screw, then the hexagonal bolt 16 is screwed until the hexagonal bolt 16 is attached to the damping protrusion 18, the damping limiting effect is achieved, the extension plate 6 is primarily limited, then the threaded knob 20 is screwed until the threaded knob 20 is attached to the damping layer 21 on the beam body 1, the damping limiting effect is achieved, the extension plate 6 is secondarily limited, the extension plate 6 is prevented from sliding on the beam body 1, then the filter screen 13 is inserted into the installation frame 4 until the filter screen 13 completely blocks the vent holes 3, the effect of filtering external dust and foreign matters is achieved, and the device is installed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a underbeam that switch board was used, includes beam body (1) and extension board (6), beam body (1) and extension board (6) all set up to L shape structure, its characterized in that: the utility model discloses a beam body, including beam body (1), mounting frame (4), filter element (5) have been pegged graft in the inside of mounting frame (4), extension board (6) are provided with two, and two extension boards (6) set up respectively in the both ends of beam body (1), the outside of extension board (6) is laminated with the inboard of beam body (1), and the bottom surface of extension board (6) is connected with beam body (1) through first locating part (7), the side of extension board (6) is connected with beam body (1) through second locating part (8), the one end that beam body (1) was kept away from to extension board (6) is fixed with curb plate (9), offer a plurality of ring-shaped connection hole arrays (10) on curb plate (9).
2. The lower beam for a power distribution cabinet according to claim 1, wherein: two vertically distributed dovetail sliding blocks (11) are fixed on the outer side of the side face of the extension plate (6), dovetail sliding grooves (12) corresponding to the beam body (1) are formed in the inner side of the side face of the beam body, and the dovetail sliding blocks (11) are located in the dovetail sliding grooves (12).
3. A lower beam for a power distribution cabinet according to claim 2, characterized in that: the filter element (5) comprises a filter screen plate (13), a sealing strip (14) is arranged at one side edge of the filter screen plate (13), and the sealing strip (14) is attached to the inner wall of the side face of the beam body (1).
4. A lower beam for a power distribution cabinet according to claim 3, characterized in that: the first limiting part (7) comprises studs (15) fixed at two ends of the bottom surface of the beam body (1), and hexagonal bolts (16) are connected to the outer side of the upper end of each stud (15) through internal and external threads.
5. The lower beam for a power distribution cabinet according to claim 4, wherein: the first limiting part (7) further comprises a linear empty groove (17) formed in one end of the bottom surface of the extension plate (6), the stud (15) is connected with the linear empty groove (17) in a penetrating mode, damping bulges (18) are arranged on two sides of an opening at the upper end of the linear empty groove (17), and the damping bulges (18) correspond to the hexagon bolts (16).
6. The lower beam for a power distribution cabinet according to claim 5, wherein: the second limiting part (8) comprises a screw groove (19) formed in one end of the side face of the extension plate (6), a threaded knob (20) is connected in the screw groove (19) in a penetrating manner, damping layers (21) are embedded on the inner walls of the two ends of the side face of the beam body (1), and the threaded knob (20) corresponds to the damping layers (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648057.XU CN221176995U (en) | 2023-09-27 | 2023-09-27 | Lower beam for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648057.XU CN221176995U (en) | 2023-09-27 | 2023-09-27 | Lower beam for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221176995U true CN221176995U (en) | 2024-06-18 |
Family
ID=91439874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322648057.XU Active CN221176995U (en) | 2023-09-27 | 2023-09-27 | Lower beam for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221176995U (en) |
-
2023
- 2023-09-27 CN CN202322648057.XU patent/CN221176995U/en active Active
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| GR01 | Patent grant |