CN219372766U - Side falling prevention device for rear door of centrally installed switchgear - Google Patents
Side falling prevention device for rear door of centrally installed switchgear Download PDFInfo
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- CN219372766U CN219372766U CN202223402765.7U CN202223402765U CN219372766U CN 219372766 U CN219372766 U CN 219372766U CN 202223402765 U CN202223402765 U CN 202223402765U CN 219372766 U CN219372766 U CN 219372766U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a side falling prevention device for a rear door of a centrally installed switchgear, which has the advantages of simple structure, high strength, low cost and stable and reliable performance. The middle cabinet comprises a cabinet body and a rear door component, one side of the rear door component is hinged with one side of the cabinet body, the other three sides of the rear door component are fixed with the cabinet body through a fixing component, the edge drop preventing device comprises a roller component and a roller support frame matched with the roller component, the roller component is arranged at the lower end of the rear door component, the roller support frame is arranged at the bottom of the cabinet body, the roller component comprises a roller support, a roller shaft, a roller and a clamp spring, the roller is rotatably arranged on the roller shaft, two ends of the roller shaft are fixed on the roller support frame through the clamp spring, and an inclined plane is arranged at the upper end of the roller support frame. The utility model is applied to the technical field of power equipment.
Description
Technical Field
The utility model relates to an edge drop preventing device, in particular to an edge drop preventing device for a rear door of a centrally installed switchgear.
Background
The middle-mounted cabinet is totally called an armored movable type middle-mounted metal-enclosed switchgear, and is of a three-layer structure, wherein the upper layer is a bus and an instrument room (isolated from each other), the middle layer is a breaker room, and the lower layer is a cable room.
The existing rear door of the centrally installed switchgear is connected with the cabinet body through a hinge on one side, and the other three sides are fixed through bolts and rivet nuts, however, the rear door is large in size and heavy and easy to drop to the other side of the hinge, so that bolt holes and rivet nuts are misplaced, and the bolts cannot be used for fixing.
Therefore, a side falling prevention device for the rear door of the centrally installed switchgear needs to be developed.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the side falling prevention device for the rear door of the centrally installed switchgear, which has the advantages of simple structure, high strength, low cost and stable and reliable performance.
The technical scheme adopted by the utility model is as follows: the centrally installed switchgear comprises a cabinet body and a rear door component, one side of the rear door component is hinged with one side of the cabinet body, the other three sides of the rear door component are fixed with the cabinet body through a fixing component, the edge drop preventing device comprises a roller component and a roller support frame matched with the roller component, the roller component is installed at the lower end of the rear door component, the roller support frame is installed at the bottom of the cabinet body, the roller component comprises a roller support, a roller shaft, a roller and a clamp spring, the roller is rotatably installed on the roller shaft, two ends of the roller shaft are fixed on the roller support frame through the clamp spring, and an inclined plane is arranged at the upper end of the roller support frame.
Further, the roller support frame is of an integral structure formed by bending a plate, and the inclined plane is inclined upwards from outside to inside.
Further, the roller bracket is also of an integrated structure formed by bending a plate, and the three sides of the tail of the roller bracket are provided with mounting blocks which are provided with mounting holes.
Further, the roller is a nylon roller.
Furthermore, grooves are formed in the two ends of the roller shaft, and the grooves are used for installing snap springs.
Further, the firmware assembly comprises a rivet nut and a bolt hole, wherein the rivet nut and the bolt hole are respectively and correspondingly arranged on three sides of the cabinet body and three sides of the rear door assembly or the rivet nut and the bolt hole are respectively and correspondingly arranged on three sides of the rear door assembly and three sides of the cabinet body.
Further, the cabinet body comprises a left rear side plate, a right rear side plate, a bottom plate and a top plate, wherein the bottom plate and the top plate are respectively arranged at the bottom end and the top end between the left rear side plate and the right rear side plate, and a beam plate is arranged between the left rear side plate and the middle rear side of the right rear side plate.
Further, the back door subassembly includes back upper door and back lower door, the one side of back upper door with the one side of back lower door all pass through the hinge with left back curb plate articulates mutually, the crossbeam board is located back upper door with between the back lower door, the crossbeam board is close to a right back curb plate top with the bottom plate is close to a right back curb plate one side all is provided with the gyro wheel support frame, back upper door is close to a right back curb plate bottom with the back lower door is close to a right back curb plate bottom all is provided with the gyro wheel subassembly.
The beneficial effects of the utility model are as follows: because the roller assembly and the roller support frame are matched, when the back door assembly is closed, the roller support frame can bear larger impact force and torsion and cannot deform, the roller support frame with a certain angle and the roller support piece with an inclined plane are matched for use, the roller can enable the closing of the back door assembly to be very easy, the rivet nut and the bolt hole in the firmware assembly can be aligned correctly, the problem that the back door assembly is high on the falling side and low on the falling side is solved, the assembly can be easily closed, and the back door assembly is simple in manufacture, low in cost and stable and reliable in performance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of section A of the present utility model;
FIG. 3 is an enlarged schematic view of section B of the present utility model;
fig. 4 is an enlarged schematic view of section C of the present utility model.
Detailed Description
As shown in fig. 1 to 4, in this embodiment, the centrally installed switchgear of the present utility model includes a cabinet body 1 and a rear door assembly 2, one side of the rear door assembly 2 is hinged to one side of the cabinet body 1, the other three sides of the rear door assembly 2 are fixed to the cabinet body 1 by a fixing component, the edge drop preventing device includes a roller assembly 3 and a roller support frame 4 adapted to the roller assembly 3, the roller assembly 3 is mounted at the lower end of the rear door assembly 2, the roller support frame 4 is mounted at the bottom of the cabinet body 1, the roller assembly 3 includes a roller support 31, a roller shaft 32, a roller 33 and a clamp spring 34, the roller 33 is rotatably mounted on the roller shaft 32, two ends of the roller shaft 32 are fixed to the roller support 31 by the clamp spring 34, and an inclined plane 41 is disposed at the upper end of the roller support frame 4.
In this embodiment, the roller support frame 4 is an integral structure formed by bending a plate material with a certain inclination angle, and the inclined surface 41 is inclined from outside to inside.
In this embodiment, the roller bracket 31 is also an integral structure formed by bending a plate, and three sides of the tail of the roller bracket 31 are provided with mounting blocks 311, and the mounting blocks 311 are provided with mounting holes 312.
In this embodiment, the roller 33 is a nylon roller, and the diameter of the central hole of the roller 33 is 8.5mm.
In this embodiment, grooves are formed at the positions 3mm away from the end surfaces at two ends of the roller shaft 32, the grooves are used for installing snap springs 34, and the shaft diameter of the roller shaft 32 is 8mm.
In this embodiment, the fixing component includes a rivet nut 5 and a bolt hole 6, where the rivet nut 5 and the bolt hole 6 are respectively and correspondingly disposed on three sides of the cabinet body 1 and three sides of the rear door component 2 or the rivet nut 5 and the bolt hole 6 are respectively and correspondingly disposed on three sides of the rear door component 2 and three sides of the cabinet body 1.
In this embodiment, the cabinet 1 includes a left rear side plate 11, a right rear side plate, a bottom plate 12, and a top plate, the bottom plate 12 and the top plate are respectively disposed at a bottom end and a top end between the left rear side plate 11 and the right rear side plate, and a beam plate 13 is disposed between the left rear side plate 11 and a middle rear side of the right rear side plate.
In this embodiment, the rear door assembly 2 includes a rear upper door 21 and a rear lower door 22, one side of the rear upper door 21 and one side of the rear lower door 22 are hinged to the left rear side plate 11 by hinges, the cross beam plate 13 is located between the rear upper door 21 and the rear lower door 22, the roller support frame 4 is disposed on a top of one side of the cross beam plate 13 near the right rear side plate and one side of the bottom plate 12 near the right rear side plate, and the roller assembly 3 is disposed on a bottom of one side of the rear upper door 21 near the right rear side plate and one side of the rear lower door 22 near the right rear side plate.
When the roller assembly is used, the roller 33 is arranged in the middle of the roller bracket 31, so that the central hole of the roller 33 is concentric with the mounting hole of the roller bracket 31, the roller shaft 32 is penetrated and inserted into the slot of the roller shaft 32 through the clamp spring 34 to fix the roller shaft 32 and the roller bracket 31, the roller assembly 3 is formed, the rear upper door 21 and the rear lower door 22 are mounted on the left rear side plate 11 through hinges and respectively welded with 3M 6 studs, the two roller assemblies 3 are respectively mounted and fixed at the bottom ends of the rear upper door 21 and the rear lower door 22 through the M6 studs, three-point fixation is formed through the three-side mounting blocks 311, the roller assembly 3 is firmer, and the roller support frames 4 are respectively mounted on the beam plate 13 and the middle bottom plate 12 and are matched with the roller assembly 3 for use; when the roller support frame 4 is closed, the arc surface of the roller 33 firstly contacts with the inclined surface of the roller support frame 4, then the force is applied to roll upwards along the inclined surface, so that after the rear upper door 21 and the rear lower door 22 are closed, the door upper bolt hole 6 is correctly aligned with the rivet nut 5, the problem that the rear door is high on one side and low on the other side due to edge falling is solved, the rear door can be easily closed, and the manufacturing is simple and the cost is low.
The utility model is not limited to be used for centrally installed cabinets, but is also applicable to other power cabinets.
The utility model is applied to the technical field of electrical equipment.
While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.
Claims (8)
1. Put cabinet back door and prevent falling limit device, put cabinet in and include cabinet body (1) and back door subassembly (2), one side of back door subassembly (2) with one side of cabinet body (1) articulates mutually, all the other trilateral firmware subassembly that pass through of back door subassembly (2) with cabinet body (1) is fixed, its characterized in that: the edge drop prevention device comprises a roller assembly (3) and a roller support frame (4) which is matched with the roller assembly (3), the roller assembly (3) is installed at the lower end of the rear door assembly (2), the roller support frame (4) is installed at the bottom of the cabinet body (1), the roller assembly (3) comprises a roller support frame (31), a roller shaft (32), a roller (33) and a clamp spring (34), the roller (33) is rotatably installed on the roller shaft (32), two ends of the roller shaft (32) are fixed on the roller support frame (31) through the clamp spring (34), and an inclined surface (41) is arranged at the upper end of the roller support frame (4).
2. The centrally installed switchgear rear door edge drop prevention device according to claim 1, wherein: the roller support frame (4) is of an integral structure formed by bending a plate, and the inclined plane (41) is inclined upwards from outside to inside.
3. The centrally installed switchgear rear door edge drop prevention device according to claim 1, wherein: the roller support (31) is also of an integrated structure formed by bending plates, the three sides of the tail of the roller support (31) are provided with mounting blocks (311), and the mounting blocks (311) are provided with mounting holes (312).
4. The centrally installed switchgear rear door edge drop prevention device according to claim 1, wherein: the roller (33) is a nylon roller.
5. The centrally installed switchgear rear door edge drop prevention device according to claim 1, wherein: the two ends of the roller shaft (32) are provided with grooves for installing snap springs (34).
6. The centrally installed switchgear rear door edge drop prevention device according to claim 1, wherein: the fixing component comprises a riveting nut (5) and a bolt hole (6), wherein the riveting nut (5) and the bolt hole (6) are respectively and correspondingly arranged on three sides of the cabinet body (1) and three sides of the rear door component (2) or the riveting nut (5) and the bolt hole (6) are respectively and correspondingly arranged on three sides of the rear door component (2) and three sides of the cabinet body (1).
7. The centrally installed switchgear rear door edge drop prevention device according to claim 1, wherein: the cabinet body (1) comprises a left rear side plate (11), a right rear side plate, a bottom plate (12) and a top plate, wherein the bottom plate (12) and the top plate are respectively arranged at the bottom end and the top end between the left rear side plate (11) and the right rear side plate, and a beam plate (13) is arranged between the left rear side plate (11) and the middle rear side of the right rear side plate.
8. The centrally installed switchgear rear door edge drop prevention device according to claim 7, wherein: the rear door assembly (2) comprises a rear upper door (21) and a rear lower door (22), one side of the rear upper door (21) and one side of the rear lower door (22) are hinged with the left rear side plate (11) through hinges, the beam plate (13) is located between the rear upper door (21) and the rear lower door (22), one side top of the beam plate (13) close to the right rear side plate and one side of the bottom plate (12) close to the right rear side plate are respectively provided with the roller support frame (4), and one side bottom of the rear upper door (21) close to the right rear side plate and one side bottom of the rear lower door (22) close to the right rear side plate are respectively provided with the roller assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223402765.7U CN219372766U (en) | 2022-12-19 | 2022-12-19 | Side falling prevention device for rear door of centrally installed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223402765.7U CN219372766U (en) | 2022-12-19 | 2022-12-19 | Side falling prevention device for rear door of centrally installed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219372766U true CN219372766U (en) | 2023-07-18 |
Family
ID=87146969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223402765.7U Active CN219372766U (en) | 2022-12-19 | 2022-12-19 | Side falling prevention device for rear door of centrally installed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219372766U (en) |
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2022
- 2022-12-19 CN CN202223402765.7U patent/CN219372766U/en active Active
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