CN219321213U - High-low voltage power distribution cabinet combined switch - Google Patents
High-low voltage power distribution cabinet combined switch Download PDFInfo
- Publication number
- CN219321213U CN219321213U CN202320242902.0U CN202320242902U CN219321213U CN 219321213 U CN219321213 U CN 219321213U CN 202320242902 U CN202320242902 U CN 202320242902U CN 219321213 U CN219321213 U CN 219321213U
- Authority
- CN
- China
- Prior art keywords
- switch
- fuse
- power distribution
- distribution cabinet
- voltage power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fuses (AREA)
Abstract
The utility model relates to the technical field of power distribution cabinets, in particular to a high-low voltage power distribution cabinet combined switch, which comprises a knife-fuse combined switch and a safety part; the fuse protector comprises two vertical rods, wherein a sliding block is slidably arranged in an opening in the rear side wall of the vertical rod, a fixing rod is arranged on the top surface of the sliding block, the fixing rod is spliced with a fixing hole and limits the fuse protector to the top end of the vertical rod, a guide rod is arranged on the bottom surface of the sliding block, a spring is sleeved on the guide rod, a fixing plate is further arranged in the opening, and the guide rod is in sliding connection with the fixing plate; through the safety part that sets up: the fuse can be limited at the top end of the vertical rod through the insertion connection between the fixing rod and the fixing hole on the fuse, and the knife switch is limited to move at the moment, so that the situation that the knife switch is closed due to unexpected situations is avoided; the design can limit the switch blade after opening the switch, avoid the switch blade to be closed due to unexpected conditions, and ensure the personal safety of staff when maintaining the high-low voltage power distribution cabinet.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to a high-low voltage power distribution cabinet combined switch.
Background
The high-low voltage power distribution cabinet is power distribution equipment used for distributing, controlling and metering electric energy and connecting cables in an electric power supply system, and a power supply office and a power substation are high-voltage switch cabinets, and are led out to the low-voltage power distribution cabinet through a transformer step-down low-voltage side, and then to each power distribution panel; more accessories such as a fuse switch, an isolating switch and the like are arranged in the high-low voltage power distribution cabinet, and the knife-fuse combined switch is a switch commonly used for the power distribution cabinet and is mainly used for isolating a power supply so as to ensure the safety of circuit and equipment maintenance.
The utility model patent with the publication number of CN215645727U discloses a knife-fuse combined switch of a low-voltage power distribution cabinet, which comprises a knife-fuse combined switch body, wherein the bottom of the knife-fuse combined switch body is provided with a base, the top of the base is provided with a gasket, a base plate, a connecting plate and a fixing plate, the top of the gasket is provided with a copper block, the center of the base plate is provided with a damping plate, the top of the base plate is provided with a copper plate and a fuse, the front of the fuse is provided with an electrified copper bar and a knife switch, and the back of the fuse is provided with a connecting rod; this low pressure power switch board's sword melts combination switch, can be when fuse and copper carry out closed connection through the shock attenuation board, reduce the collision force that the connection produced, reached the impact force that produces when can reducing sword and melt combination switch and close to reduce the damage that electrified copper bar and copper billet collide and cause, extension sword melts combination switch's life's beneficial effect.
Although the blade-fuse combination switch of the low-voltage power distribution cabinet can reduce the impact force generated when the blade-fuse combination switch is closed through the damping plate, the service life of the blade-fuse combination switch is prolonged, but after the switch-off, a safety structure is not arranged on a blade of the blade-fuse combination switch, and in the process of overhauling the high-voltage power distribution cabinet, the switch-off operation needs to be carried out on the blade-fuse combination switch in order to ensure the safety of operation, but after the switch-off, the switch-off is easy to be switched on again under the conditions of unexpected collision and the like, and the separated switch-off is threatened under the condition that staff is unknowed, so that the personnel safety of the staff is threatened.
Disclosure of Invention
The utility model aims to provide a high-low voltage power distribution cabinet combined switch so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a high-low voltage power distribution cabinet combined switch comprises a knife-fuse combined switch and a safety part;
the knife-fuse combined switch comprises a base, wherein two connecting pieces are arranged on the top surface of the base at the front side and the rear side, a connecting block is arranged on the top surface of each connecting piece, a knife switch is hinged at a top clamping groove of each connecting block at the rear side, a fuse is arranged at the front end of each knife switch, and a fixing hole is formed in each fuse;
the safety part is used for limiting the brake blades after brake separation and is arranged at the rear side of the top surface of the base; the fuse protector comprises two vertical rods, a sliding block is slidably mounted in an opening of the rear side wall of each vertical rod, a fixing rod is mounted on the top surface of each sliding block, each fixing rod is inserted into each fixing hole and limits the fuse protector to the top end of each vertical rod, a guide rod is mounted on the bottom surface of each sliding block, a spring is sleeved on each guide rod, a fixing plate is further mounted on each opening, and each guide rod is in sliding connection with each fixing plate.
As a preferable technical scheme of the utility model, a deflector rod for stirring the sliding block to move is coaxially fixed at the center of the rear side wall of the sliding block, and the deflector rod is tightly adhered to the sliding block.
As a preferable technical scheme of the utility model, the convex shaft is arranged on the outer wall of the fuse, and the fuse is tightly adhered with the convex shaft.
As a preferable technical scheme of the utility model, two connecting rods are arranged between the two vertical rods, and the tail ends of the connecting rods are fixedly connected with the vertical rods through bolts.
As a preferable technical scheme of the utility model, the connecting pieces are provided with threaded columns for connecting the wires, and nuts for fixing the wires are connected to the threaded columns in a threaded manner.
As the preferable technical scheme of the utility model, the whole shape of the connecting piece is L-shaped, and the connecting piece is a galvanized steel manufactured product.
As a preferable technical scheme of the utility model, the front end of the knife switch is inserted into the mounting groove on the fuse, and the fuse is fixedly connected with the knife switch through a bolt.
Compared with the prior art, the utility model has the beneficial effects that:
through the safety part that sets up: when the knife switch is separated into a switch, the fuse moves to the top end of the vertical rod, the fuse can be limited at the top end of the vertical rod through the insertion connection between the fixing rod and the fixing hole on the fuse, and the knife switch is limited to move at the moment, so that the situation that the knife switch is closed due to unexpected conditions is avoided; the design can limit the switch blade after opening the switch, avoid the switch blade to be closed due to unexpected conditions, and ensure the personal safety of staff when maintaining the high-low voltage power distribution cabinet.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a side view of the overall structure of the present utility model;
FIG. 3 is a schematic view of a part of the structure of the present utility model;
FIG. 4 is a schematic view of a knife switch according to the present utility model;
FIG. 5 is a schematic view of a safety part according to the present utility model;
fig. 6 is a cross-sectional view of the structure of the vertical rod in the present utility model.
In the figure:
1. a knife-fuse combination switch; 11. a connecting piece; 12. a connecting block; 13. a threaded column; 14. a nut; 15. a knife switch; 16. a fuse; 161. a fixing hole; 17. a protruding shaft;
2. a safety part; 21. a vertical rod; 211. an opening; 22. a fixing plate; 23. a slide block; 24. a fixed rod; 25. a guide rod; 26. a spring; 27. a deflector rod; 28. and a connecting rod.
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 embodiment provides a technical scheme:
referring to fig. 1-4, a high-low voltage power distribution cabinet combined switch comprises a knife-fuse combined switch 1. The knife-fuse combined switch 1 comprises a base, wherein two connecting pieces 11 are arranged on the top surface of the base at the front side and the rear side, the connecting pieces 11 are fixedly connected with the base through bolts, a connecting block 12 is arranged on the top surface of each connecting piece 11, the connecting block 12 is tightly welded with the connecting pieces 11, a knife switch 15 is hinged at a clamping groove at the top end of the connecting block 12 at the rear side, a fuse 16 is arranged at the front end of the knife switch 15, and a fixing hole 161 is formed in the fuse 16;
in this embodiment, the outer wall of the fuse 16 is provided with a protruding shaft 17, and the fuse 16 is tightly adhered to the protruding shaft 17, so that the fuse 16 is conveniently moved by the protruding shaft 17, and the knife 15 is conveniently driven to move to complete the opening and closing operation.
In this embodiment, the connecting piece 11 is provided with the threaded post 13 for connecting the wire, the threaded post 13 is connected with the nut 14 for fixing the wire, the threaded post 13 and the nut 14 are arranged to facilitate the connection and fixation of the wire and the connecting piece 11, and the operation is convenient.
In this embodiment, the overall shape of the connecting piece 11 is L-shaped, and the connecting piece 11 is a galvanized steel product, and the galvanized steel has good electrical conductivity and corrosion resistance, so that the service life of the connecting piece 11 is prolonged.
In this embodiment, the front end of the blade 15 is inserted into the mounting groove on the fuse 16, and the fuse 16 is fixedly connected with the blade 15 by a bolt, so that the fuse is firmly connected in a bolt-fixing manner, and the fuse is convenient to disassemble and assemble.
Referring to fig. 5-6, a safety part 2 for limiting the brake blade 15 after opening the brake is arranged at the rear side of the top surface of the base; the fuse protector comprises two vertical rods 21, a sliding block 23 is slidably mounted in an opening 211 in the rear side wall of the vertical rods 21, a fixing rod 24 is mounted on the top surface of the sliding block 23, the fixing rod 24 is inserted into a fixing hole 161 and limits the fuse 16 to the top end of the vertical rods 21, a guide rod 25 is mounted on the bottom surface of the sliding block 23, a spring 26 is sleeved on the guide rod 25, a fixing plate 22 is mounted on the opening 211, the guide rod 25 is in sliding connection with the fixing plate 22, and the fixing rod 24, a deflector rod 27 and the guide rod 25 are fixedly connected with the sliding block 23 through bolts.
In this embodiment, a shift lever 27 for shifting the movement of the slide block 23 is coaxially fixed at the center of the rear sidewall of the slide block 23, and the shift lever 27 is tightly adhered to the slide block 23, so that the slide block 23 is convenient to shift and the fixing lever 24 is convenient to drive to move by shifting the shift lever 27.
In this embodiment, two connecting rods 28 are installed between two vertical rods 21, and the ends of the connecting rods 28 are fixedly connected with the vertical rods 21 through bolts, and the connecting stability between the two vertical rods 21 can be increased by the arrangement of the connecting rods 28.
It should be added that, in this embodiment, the vertical rod 21 and the protruding shaft 17 are made of ceramic materials, and the ceramic materials have good insulation properties, so that the safety of the operation of the vertical rod 21 and the protruding shaft 17 is improved, and the occurrence of dangerous situations such as electric shock is avoided.
When the fuse device is specifically used, a user firstly dials the protruding shaft 17 to the rear side, the protruding shaft 17 drives the switch blade 15 to overturn to the rear side, at the moment, the switch blade 15 is separated from a clamping groove on the front connecting block 12, meanwhile, the user dials the deflector rod 27 downwards, the deflector rod 27 drives the sliding block 23 to move downwards, the sliding block 23 drives the fixing rod 24 and the guide rod 25 to move downwards, the spring 26 is compressed by the sliding block 23, the fixing rod 24 is retracted into the opening 211, at the moment, the user dials the protruding shaft 17 to enable the fuse 16 to move to the top end of the vertical rod 21 to the rear side, then the user loosens the deflector rod 27, under the elastic action of the spring 26, the sliding block 23 moves upwards and drives the fixing rod 24 to move upwards, the fixing rod 24 is inserted into the fixing hole 161, the fuse 16 is limited at the top end of the vertical rod 21, the switch blade 15 is limited, and the switch blade 15 cannot be closed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high-low voltage power distribution cabinet combination switch, includes sword melt combination switch (1) and insurance portion (2), its characterized in that:
the knife-fuse combined switch (1) comprises a base, wherein two connecting pieces (11) are arranged on the top surface of the base at the front side and the rear side, a connecting block (12) is arranged on the top surface of the connecting piece (11), a knife switch (15) is hinged at a top clamping groove of the connecting block (12) at the rear side, a fuse (16) is arranged at the front end of the knife switch (15), and a fixing hole (161) is formed in the fuse (16);
a safety part (2) for limiting the switch blade (15) after opening the switch and arranged at the rear side of the top surface of the base; including two montants (21), slidable mounting has slider (23) in opening (211) of the lateral wall behind montant (21), and dead lever (24) are installed to the top surface of slider (23), and dead lever (24) are pegged graft with fixed orifices (161) and are restricted fuse (16) on the top of montant (21), and guide arm (25) are installed to the bottom surface of slider (23), and the cover is equipped with spring (26) on guide arm (25), and fixed plate (22) are still installed to opening (211), and guide arm (25) and fixed plate (22) sliding connection.
2. The high-low voltage power distribution cabinet combination switch of claim 1, wherein: a deflector rod (27) for poking the sliding block (23) to move is coaxially fixed at the center of the rear side wall of the sliding block (23), and the deflector rod (27) is tightly adhered to the sliding block (23).
3. The high-low voltage power distribution cabinet combination switch of claim 1, wherein: a protruding shaft (17) is arranged on the outer wall of the fuse (16), and the fuse (16) is tightly adhered to the protruding shaft (17).
4. The high-low voltage power distribution cabinet combination switch of claim 1, wherein: two connecting rods (28) are arranged between the two vertical rods (21), and the tail ends of the connecting rods (28) are fixedly connected with the vertical rods (21) through bolts.
5. The high-low voltage power distribution cabinet combination switch of claim 1, wherein: the connecting piece (11) is provided with threaded columns (13) for connecting wires, and nuts (14) for fixing the wires are connected to the threaded columns (13) in a threaded mode.
6. The high-low voltage power distribution cabinet combination switch of claim 1, wherein: the whole shape of the connecting piece (11) is L-shaped, and the connecting piece (11) is a galvanized steel product.
7. The high-low voltage power distribution cabinet combination switch of claim 1, wherein: the front end of the knife switch (15) is inserted into a mounting groove on the fuse (16), and the fuse (16) is fixedly connected with the knife switch (15) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320242902.0U CN219321213U (en) | 2023-02-17 | 2023-02-17 | High-low voltage power distribution cabinet combined switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320242902.0U CN219321213U (en) | 2023-02-17 | 2023-02-17 | High-low voltage power distribution cabinet combined switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219321213U true CN219321213U (en) | 2023-07-07 |
Family
ID=87004165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320242902.0U Active CN219321213U (en) | 2023-02-17 | 2023-02-17 | High-low voltage power distribution cabinet combined switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219321213U (en) |
-
2023
- 2023-02-17 CN CN202320242902.0U patent/CN219321213U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109818298B (en) | Electrified installation device of aerial insulated wire lightning protection puncture fastener | |
| CN204927925U (en) | Direct current metal -enclosed type cubical switchboard | |
| CN219321213U (en) | High-low voltage power distribution cabinet combined switch | |
| CN214100400U (en) | Combined low-voltage switch cabinet | |
| CN214478704U (en) | Anti-collision high-protection power switch cabinet | |
| CN112053892B (en) | Vacuum circuit breaker for high altitude and high voltage | |
| CN213879154U (en) | Adjustable wire harness support of high tension switchgear instrument door | |
| CN113972567A (en) | High-voltage power distribution cabinet with cable constraint function | |
| CN214754896U (en) | Drawer type direct current switch cabinet | |
| CN113363914B (en) | Compatible jack box for bus duct connector | |
| CN202633807U (en) | Drawer cabinet of low-voltage draw-out switchgear | |
| CN211957532U (en) | Outdoor high-voltage intelligent vacuum circuit breaker | |
| CN212303582U (en) | Overload protection circuit breaker switch | |
| CN216355328U (en) | Novel switch cabinet | |
| CN219225021U (en) | Running-in test bed of spring operating mechanism in ZW32 type vacuum circuit breaker | |
| CN213584780U (en) | Explosion-proof distribution box with protection function | |
| CN211743078U (en) | High-speed permanent magnetism single pole switch integral structure | |
| CN201360101Y (en) | Push-type low-voltage switch cabinet | |
| CN204349229U (en) | A kind of switch cubicle earthed switch | |
| CN208521841U (en) | A kind of high voltage isolator convenient for isolation voltage | |
| CN213753517U (en) | High-voltage board isolating device | |
| CN220439484U (en) | Crossbeam of load switch | |
| CN110137026B (en) | Ring main unit | |
| CN212114742U (en) | Lightning protection device of high-voltage switch cabinet | |
| CN220400504U (en) | Plug-in circuit breaker with protective device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |