CN217387036U - Base assembly of frame type circuit breaker - Google Patents
Base assembly of frame type circuit breaker Download PDFInfo
- Publication number
- CN217387036U CN217387036U CN202221139848.9U CN202221139848U CN217387036U CN 217387036 U CN217387036 U CN 217387036U CN 202221139848 U CN202221139848 U CN 202221139848U CN 217387036 U CN217387036 U CN 217387036U
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- bottom plate
- base
- sand grip
- baffle
- support piece
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Abstract
The utility model relates to a base assembly of frame-type circuit breaker, including base, bottom plate, the base on be provided with a plurality of storage tanks, the bottom plate sets up on the base, and is formed with a plurality of holding chambeies between base and the bottom plate, be provided with a plurality of bus-bar holes that are linked together with the holding chamber on the bottom plate respectively, a plurality of holding intracavity are provided with the explosion chamber respectively, be provided with the baffle subassembly of separating between a plurality of bus-bar holes on the bottom plate, the baffle subassembly is including setting up support piece, the baffle of setting on support piece on the bottom plate, the last joint recess that is provided with of support piece, be provided with on the baffle with joint recess matched with sand grip, and be provided with the lug on the both sides at sand grip middle part respectively, the joint recess in be provided with lug matched with spacing groove, the lug block in spacing inslot, and constitute baffle and support piece's joint cooperation. The utility model has the advantages of simple structure, stable performance are reliable, assembly efficiency is high, insulating properties is good.
Description
Technical Field
The utility model relates to a frame-type circuit breaker technical field, concretely relates to frame-type circuit breaker's base assembly.
Background
The frame-type breaker is a mechanical switch which can connect, bear and break the current under normal circuit condition, and also can connect, bear a certain time and break the current under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc. The existing frame-type circuit breaker comprises a base, a bottom plate, a face shield, an operating mechanism, a contact system, a conductive system, an arc extinguishing system and a controller, the structural design of the base assembly of the existing frame-type circuit breaker is unreasonable, the assembly of the base and the bottom plate is complex, time and labor are wasted, the insulating property of the base assembly is poor, the creepage distance between buses is small, and potential safety hazards exist, so that the base assembly of the frame-type circuit breaker has the defects of complex structure, inconvenient assembly and unreliable performance.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a frame-type circuit breaker's base assembly that simple structure, dependable performance are stable, assembly efficiency is high, insulating properties is good.
In order to achieve the above object, the present invention provides a base assembly of a frame-type circuit breaker, comprising a base and a bottom plate, wherein the base is provided with a plurality of accommodating grooves, the bottom plate is arranged on the base, a plurality of accommodating cavities are formed between the base and the bottom plate, the bottom plate is respectively provided with a plurality of bus holes communicated with the accommodating cavities, the accommodating cavities are respectively provided with an arc extinguish chamber, the bottom plate is provided with a baffle assembly separated between the bus holes, the baffle assembly comprises a support member arranged on the bottom plate and a baffle plate arranged on the support member, the support member is provided with a clamping groove, the baffle plate is provided with a convex strip matched with the clamping groove, two sides of the middle part of the convex strip are respectively provided with a convex block, the clamping groove is provided with a limit groove matched with the convex block, the convex block is clamped in the limit groove, and the partition board is in clamping fit with the support piece.
The beneficial effect of above-mentioned structure is: the explosion chamber block is between base and bottom plate, the explosion chamber and base of being convenient for, the assembly of bottom plate, it is more convenient to assemble, and be provided with the baffle subassembly of separating between a plurality of bus-bar holes on the bottom plate, the baffle subassembly can play the effect of the creepage distance between the increase generating line, the baffle subassembly adopts modular structure design, can realize the modular assembly of baffle subassembly, it is more convenient to assemble, and a plurality of bus-bar holes are square, circular structural design, thereby the assembly of square generating line of this bottom plate adaptation, circular generating line. Therefore, the base assembly of the frame type circuit breaker has the advantages of simple structure, stable and reliable performance, high assembly efficiency and good insulating performance.
Particularly, the flash barrier that corresponds the explosion chamber on one side of base, bottom plate punishment do not be provided with the constant head tank, the both ends of flash barrier block respectively in the constant head tank of base, bottom plate, and constitute the joint cooperation of base, bottom plate and flash barrier, and be provided with the screw that is connected with base, bottom plate on the both ends of flash barrier respectively. The base, the bottom plate and the arc isolating plate of the arc extinguishing chamber are assembled in a limiting matching mode, so that the base, the bottom plate and the arc extinguishing chamber are convenient to assemble, and the assembly is more convenient.
Particularly, the baffle on correspond and be provided with spacing sand grip on the both sides of sand grip respectively, the sand grip block when in the joint recess, spacing sand grip contradict on support piece's up end, and constitute spacing cooperation of spacing sand grip and support piece. Be provided with spacing sand grip on the baffle and contradict on support piece, the baffle can not be because of being heated and crooked, and the bulk strength of baffle is better.
Particularly, the base on be provided with the joint sand grip, the bottom plate on be provided with joint sand grip matched with draw-in groove, joint sand grip block in the draw-in groove, and constitute the joint cooperation of base and bottom plate. The base is connected with the bottom plate in a clamping matching mode, so that the base and the bottom plate can be assembled conveniently, the assembly is more convenient, and the assembly efficiency of the base assembly of the frame type circuit breaker can be improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a perspective view of a bottom plate according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present invention is a base assembly of a frame-type circuit breaker, including a base 10 and a bottom plate 11, wherein the base 10 is provided with a plurality of accommodating grooves 101, the bottom plate 11 is disposed on the base 10, and a plurality of accommodating cavities 100 are formed between the base 10 and the bottom plate 11, the bottom plate 11 is respectively provided with a plurality of bus holes 111 communicated with the accommodating cavities 100, the accommodating cavities 100 are respectively provided with arc extinguish chambers 12, the bottom plate 11 is provided with a partition plate assembly 20 partitioned between the bus holes 111, the partition plate assembly 20 includes a support member 21 disposed on the bottom plate 11 and a partition plate 22 disposed on the support member 21, the support member 21 is provided with a clamping groove 211, the partition plate 22 is provided with a protruding strip 221 matched with the clamping groove 211, and two sides of the middle part of the protruding strip 221 are respectively provided with a protruding block 222, the clamping groove 211 is internally provided with a limit groove 212 matched with the lug 222, and the lug 222 is clamped in the limit groove 212 and forms clamping matching of the partition plate 22 and the support piece 21.
As shown in fig. 2, the arc separating plates 121 corresponding to the arc extinguishing chambers 12 are respectively provided with positioning grooves 1000 on one side of the base 10 and the bottom plate 11, two ends of the arc separating plates 121 are respectively clamped in the positioning grooves 1000 of the base 10 and the bottom plate 11, and form a clamping fit between the base 10 and the bottom plate 11 and the arc separating plates 121, and two ends of the arc separating plates 121 are respectively provided with screws connected with the base 10 and the bottom plate 11. The base, the bottom plate and the arc isolating plate of the arc extinguishing chamber are assembled in a limiting matching mode, so that the base, the bottom plate and the arc extinguishing chamber are convenient to assemble, and the assembly is more convenient. Baffle 22 on correspond and be provided with spacing sand grip 223 on the both sides of sand grip 221 respectively, sand grip 221 block when in joint recess 211, spacing sand grip 223 contradict on support piece 21's up end, and constitute spacing cooperation of spacing sand grip 223 and support piece 21. Be provided with spacing sand grip on the baffle and contradict on support piece, the baffle can not be because of being heated and crooked, and the bulk strength of baffle is better. The base 10 on be provided with joint sand grip 102, bottom plate 11 on be provided with joint sand grip 102 matched with draw-in groove 112, joint sand grip 102 block in draw-in groove 112, and constitute the joint cooperation of base 10 and bottom plate 11. The base is connected with the bottom plate in a clamping matching mode, so that the base and the bottom plate can be assembled conveniently, the assembly is more convenient, and the assembly efficiency of the base assembly of the frame type circuit breaker can be improved.
The explosion chamber block is between base and bottom plate, the explosion chamber and base of being convenient for, the assembly of bottom plate, it is more convenient to assemble, and be provided with the baffle subassembly of separating between a plurality of bus-bar holes on the bottom plate, the baffle subassembly can play the effect of the creepage distance between the increase generating line, the baffle subassembly adopts modular structure design, can realize the modular assembly of baffle subassembly, it is more convenient to assemble, and a plurality of bus-bar holes are square, circular structural design, thereby the assembly of square generating line of this bottom plate adaptation, circular generating line. Therefore, the base assembly of the frame type circuit breaker has the advantages of simple structure, stable and reliable performance, high assembly efficiency and good insulating property.
Claims (4)
1. The utility model provides a base assembly of frame-type circuit breaker, includes base, bottom plate, its characterized in that: the base on be provided with a plurality of storage tanks, the bottom plate setting on the base, and be formed with a plurality of holding chambeies between base and the bottom plate, the bottom plate on be provided with a plurality of bus-bar holes that are linked together with the holding chamber respectively, a plurality of holding intracavity be provided with the explosion chamber respectively, the bottom plate on be provided with the baffle subassembly of separating between a plurality of bus-bar holes, the baffle subassembly including setting up support piece on the bottom plate, setting up the baffle on support piece, support piece on be provided with the joint recess, the baffle on be provided with joint recess matched with sand grip, and be provided with the lug on the both sides at sand grip middle part respectively, the joint recess in be provided with the spacing groove with lug matched with, the lug block at the spacing inslot, and constitute baffle and support piece's joint cooperation.
2. A base assembly of a frame type circuit breaker as claimed in claim 1, wherein: the utility model discloses a base, bottom plate, including base, bottom plate, arc-isolating plate, base, bottom plate, the department of the arc-isolating plate that corresponds the explosion chamber on one side of base, bottom plate do not is provided with the constant head tank, the both ends of arc-isolating plate block respectively in the constant head tank of base, bottom plate, and constitute the joint cooperation of base, bottom plate and arc-isolating plate, and be provided with the screw that is connected with base, bottom plate on the both ends of arc-isolating plate respectively.
3. A base assembly of a frame type circuit breaker according to claim 1 or 2, wherein: the baffle on correspond and be provided with spacing sand grip on the both sides of sand grip respectively, the sand grip block when in the joint recess, spacing sand grip contradict on support piece's up end, and constitute spacing sand grip and support piece's spacing cooperation.
4. A base assembly of a frame type circuit breaker according to claim 1 or 2, wherein: the base on be provided with the joint sand grip, the bottom plate on be provided with joint sand grip matched with draw-in groove, joint sand grip block in the draw-in groove, and constitute the joint cooperation of base and bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221139848.9U CN217387036U (en) | 2022-05-12 | 2022-05-12 | Base assembly of frame type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221139848.9U CN217387036U (en) | 2022-05-12 | 2022-05-12 | Base assembly of frame type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217387036U true CN217387036U (en) | 2022-09-06 |
Family
ID=83085705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221139848.9U Active CN217387036U (en) | 2022-05-12 | 2022-05-12 | Base assembly of frame type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217387036U (en) |
-
2022
- 2022-05-12 CN CN202221139848.9U patent/CN217387036U/en active Active
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