Mining low-voltage switch cabinet
By designing cabinet door limit components in mining low-voltage switch cabinets, the safety hazards caused by the unlimited structure of the cabinet door are solved, and the cabinet door can only be opened 90 degrees, improving safety and protection.
Patent Information
- Application Number
- CN202421658663.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing mining low-voltage switch cabinet doors have no limit structure, which leads to it being able to open 180 degrees, occupy a large space and is easily swung by external forces, posing a safety hazard.
A cabinet door limiting assembly is designed, including cabinet door locking columns, limiting brackets, springs and locking column nuts. Through the coordination of the locking blocks and locking notches, the cabinet door can only be opened to 90 degrees, and a locking structure is installed at the starting state and 90 degrees to prevent swing.
Effectively prevent the cabinet door from swinging due to external forces, improve safety, reduce space and enhance protection.
Smart Images
Figure CN223156521U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a mine low-voltage switch cabinet. Background Art
[0002] A mine low-voltage switch cabinet is a specially designed electrical equipment, mainly used in specific environments such as mine shafts. They are usually used in power supply systems with an alternating current of 50 Hz, 660 V or 380 V, providing functions such as power distribution, motor starting, and 127 V lighting. Due to the limited space used in the mine site, after the cabinet door of the existing mine low-voltage switch cabinet is opened, since there is no limit structure on the cabinet door, it can be opened 180 degrees, resulting in a large occupied space and being easily swayed back and forth by external forces (such as wind, vibration, etc.), which may cause operators to be easily injured and the safety is poor. Therefore, the existing mine low-voltage switch cabinet is improved and optimized to solve this problem. Summary of the Utility Model
[0003] To solve the above problems, the technical problem to be solved by the utility model is to provide a mine low-voltage switch cabinet with a swing limit for the cabinet door.
[0004] The technical solution adopted by the mine low-voltage switch cabinet of the utility model is characterized in that it includes a switch cabinet body, a switch cabinet door, a switch cabinet hinge, and a cabinet door limit component. The cabinet door limit component includes a cabinet door lock stop column, a limit bracket fixed on the switch cabinet body, a spring, and a lock stop column nut. The cabinet door lock stop column includes a lock stop column body. A lock stop column positioning boss is arranged in the middle of the lock stop column body. A lock stop block is arranged at the upper end of the lock stop column body. The limit bracket includes a bracket docking part. A bracket docking hole corresponding to the lock stop column body is arranged on the bracket docking part. A first lock stop notch and a second lock stop notch corresponding to the lock stop block are arranged at the bracket docking hole of the bracket docking part. The included angle between the first lock stop notch and the second lock stop notch is 90 degrees;
[0005] The switch cabinet door includes a cabinet door main body and a lock stop column receiving seat. The upper end of the cabinet door main body is vertically bent inward to form an upper part of the cabinet door. An upper through hole of the cabinet door for the upper part of the lock stop column body to pass through is arranged on the upper part of the cabinet door. The lower part of the cabinet door lock stop column is fixed on the lock stop column receiving seat through the lock stop column nut. The spring is sleeved on the lower part of the cabinet door lock stop column, with one end abutted against the lower part of the lock stop column positioning boss and the other end abutted against the lock stop column receiving seat.
[0006] The locking column socket includes a socket fixing portion welded to the cabinet door body, the socket fixing portion is vertically bent to form a socket docking portion arranged parallel to the upper portion of the cabinet door, the socket docking portion is provided with a socket docking interface which is communicated with the through hole on the cabinet door and is used for the lower portion of the locking column body to pass through, and the locking column positioning boss is placed between the upper portion of the cabinet door and the socket docking portion.
[0007] The two ends of the docking portion of the receiving seat are bent vertically upward to form a receiving seat guide plate for preventing the spring from shaking when the spring is in motion.
[0008] The bottom of the bracket docking portion is provided at the bracket docking hole with a surrounding edge for preventing the locking block from excessively rotating.
[0009] The locking column body is provided with a locking column hand-held block for easy operation between the locking column positioning boss and the locking block.
[0010] The bracket docking portion is vertically bent to form a bracket mounting portion.
[0011] The advantages of the utility model low-voltage switch cabinet for mining are that the cabinet door limit assembly can be set so that the cabinet door can only be opened 90 degrees, and a locking structure is provided at the initial state and the 90-degree position, which effectively prevents the cabinet door from swinging due to external forces, and has better protection and higher safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0013] Figure 1 This is the main view of the utility model mining low-voltage switch cabinet;
[0014] Figure 2 It is an exploded view of the cabinet door limiting assembly of the utility model;
[0015] Figure 3 It is a structural schematic diagram of the switch cabinet door of the utility model;
[0016] Figure 4 yes Figure 3 A magnified image of
[0017] Figure 5 It is a structural schematic diagram of the cabinet door locking column of the utility model;
[0018] Figure 6 It is a structural schematic diagram of the limiting bracket of the utility model. DETAILED DESCRIPTION
[0019] like Figures 1-6As shown in the figure, the low-voltage switchgear for mine use involved in the utility model includes a switchgear cabinet body 1, a switchgear cabinet door 2, a switchgear hinge 3 and a cabinet door limit component 4. The cabinet door limit component 4 includes a cabinet door lock stop column 6, a limit bracket 7 fixed on the switchgear cabinet body 1, a spring 8 and a lock stop column nut 9. The cabinet door lock stop column 6 includes a lock stop column body 14. A lock stop column positioning boss 15 is arranged in the middle of the lock stop column body 14. A lock stop block 16 is arranged at the upper end of the lock stop column body 14. The limit bracket 7 includes a bracket docking part 18. A bracket docking hole 19 corresponding to the lock stop column body 14 is arranged on the bracket docking part 18. At the bracket docking hole 19 of the bracket docking part 18, a first lock stop notch 20 and a second lock stop notch 21 corresponding to the lock stop block 16 are arranged. The included angle between the first lock stop notch 20 and the second lock stop notch 21 is 90 degrees. The switchgear cabinet door 2 includes a cabinet door main body 11 and a lock stop column receiving seat 25. The upper end of the cabinet door main body 11 is vertically bent inward to form a cabinet door upper part 12. A through hole 24 on the cabinet door for the upper part of the lock stop column body 14 to pass through is arranged on the cabinet door upper part 12. The lower part of the cabinet door lock stop column 6 is fixed on the lock stop column receiving seat 25 through the lock stop column nut 9. The spring 8 is sleeved on the lower part of the cabinet door lock stop column 6. One end of the spring 8 abuts against the lower part of the lock stop column positioning boss 15 and the other end abuts against the lock stop column receiving seat 25. The setting of the cabinet door limit component 4 can make the cabinet door only open 90 degrees, and a lock stop structure is arranged at the starting state and the 90-degree position, effectively preventing the cabinet door from swinging due to external force, and the safety is higher.
[0020] The lock stop column receiving seat 25 includes a receiving seat fixing part 27 welded on the cabinet door main body 11. The receiving seat fixing part 27 is vertically bent to form a receiving seat docking part 28 arranged in parallel with the cabinet door upper part 12. A receiving seat docking port 29 communicated with the through hole 24 on the cabinet door and for the lower part of the lock stop column body 14 to pass through is arranged on the receiving seat docking part 28. The lock stop column positioning boss 15 is arranged between the cabinet door upper part 12 and the receiving seat docking part 28.
[0021] Both ends of the receiving seat docking part 28 are vertically bent upward to form receiving seat guide plates 30 for preventing the spring 8 from shaking during operation, and the operation is more stable and reliable, and the service life is longer.
[0022] At the bracket docking hole 19, a surrounding edge 32 for preventing the lock stop block 16 from rotating excessively is arranged at the bottom of the bracket docking part 18.
[0023] A lock stop column hand-held block 34 convenient for operation is arranged between the lock stop column positioning boss 15 and the lock stop block 16 on the lock stop column body 14, and the operation is more convenient.
[0024] The bracket docking part 18 is vertically bent to form a bracket mounting part 35.
[0025] Operation process: When the switch cabinet door 2 is in the closed state, the locking block 16 of the locking column body 14 is locked in the first locking notch 20 of the limit bracket 7 fixed on the switch cabinet body 1 under the action of the spring 8. When the switch cabinet door 2 needs to be opened, pull down the hand-held block 34 of the locking column to open the switch cabinet door 2. When it swings to 90 degrees, due to the limitation of the locking block 16 by the surrounding edge 32, the locking block 16 automatically pairs with the second locking notch 21 to achieve the locking of the switch cabinet door 2 at 90 degrees.
[0026] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims
1. A low-voltage switchgear for mine use, characterized in that: It includes a switchgear cabinet body (1), a switchgear cabinet door (2), a switchgear cabinet hinge (3) and a cabinet door limit assembly (4). The cabinet door limit assembly (4) includes a cabinet door lock stop column (6), a limit bracket (7) fixed on the switchgear cabinet body (1), a spring (8) and a lock stop column nut (9). The cabinet door lock stop column (6) includes a lock stop column body (14). A lock stop column positioning boss (15) is provided in the middle of the lock stop column body (14). A lock stop block (16) is provided at the upper end of the lock stop column body (14). The limit bracket (7) includes a bracket docking part (18). A bracket docking hole (19) corresponding to the lock stop column body (14) is provided on the bracket docking part (18). A first lock stop notch (20) and a second lock stop notch (21) corresponding to the lock stop block (16) are provided at the bracket docking hole (19) of the bracket docking part (18). The included angle between the first lock stop notch (20) and the second lock stop notch (21) is 90 degrees. The switchgear cabinet door (2) includes a cabinet door main body (11) and a lock stop column receiving seat (25). The upper end of the cabinet door main body (11) is vertically bent inward to form an upper cabinet door part (12). An upper cabinet door through hole (24) for the upper part of the lock stop column body (14) to pass through is provided on the upper cabinet door part (12). The lower part of the cabinet door lock stop column (6) is fixed on the lock stop column receiving seat (25) through the lock stop column nut (9). The spring (8) is sleeved on the lower part of the cabinet door lock stop column (6). One end of it abuts against the lower part of the lock stop column positioning boss (15) and the other end abuts against the lock stop column receiving seat (25).
2. The low-voltage switchgear for mine use according to claim 1, wherein: The lock stop column receiving seat (25) includes a receiving seat fixing part (27) welded on the cabinet door main body (11). The receiving seat fixing part (27) is vertically bent to form a receiving seat docking part (28) arranged parallel to the upper cabinet door part (12). A receiving seat docking port (29) communicated with the upper cabinet door through hole (24) and for the lower part of the lock stop column body (14) to pass through is provided on the receiving seat docking part (28). The lock stop column positioning boss (15) is placed between the upper cabinet door part (12) and the receiving seat docking part (28).
3. The low-voltage switchgear for mines according to claim 1, wherein: Both ends of the receiving seat docking part (28) are vertically bent upward to form receiving seat guide plates (30) for preventing the spring (8) from shaking when it acts.
4. The low-voltage switchgear for mine use according to claim 1, wherein: A surrounding edge (32) for preventing the lock stop block (16) from rotating excessively is provided at the bottom of the bracket docking part (18) at the bracket docking hole (19).
5. The low-voltage switchgear for mine use according to claim 1, characterized in that: A lock stop column hand-held block (34) convenient for operation is provided between the lock stop column positioning boss (15) and the lock stop block (16) on the lock stop column body (14).
6. The low-voltage switchgear for mines according to claim 1, characterized in that: The bracket docking part (18) is vertically bent to form a bracket installation part (35).