CN219958907U - Compact breaker switch mechanism - Google Patents
Compact breaker switch mechanism Download PDFInfo
- Publication number
- CN219958907U CN219958907U CN202321163163.2U CN202321163163U CN219958907U CN 219958907 U CN219958907 U CN 219958907U CN 202321163163 U CN202321163163 U CN 202321163163U CN 219958907 U CN219958907 U CN 219958907U
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- CN
- China
- Prior art keywords
- plastic
- circuit breaker
- shaft
- sides
- isolation
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- 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.)
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 239000004593 Epoxy Substances 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 101000581533 Homo sapiens Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial Proteins 0.000 description 1
- 102100027320 Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial Human genes 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a compact circuit breaker switch mechanism, which comprises two clapboards, wherein two sides of one side opposite to the two clapboards are respectively provided with a baffle, the tops of the opposite sides of the two clapboards are respectively provided with a through hole, two sides of the two clapboards are respectively fixedly connected with an isolation rear plate, the right side of one isolation rear plate is provided with an epoxy rod, the surface of the epoxy rod is provided with three groups of rotating components, each rotating component comprises shaft plastic, an inner cavity of the shaft plastic is movably connected with a plastic link rod through a shaft pin, one side of the plastic link rod is movably connected with a movable shell through the shaft pin, the inner cavity of the movable shell is provided with a movable contact, and the bottoms of the movable contacts are movably connected with a fixed contact through the shaft pin.
Description
Technical Field
The utility model belongs to the technical field of circuit breakers, and particularly relates to a compact circuit breaker switching mechanism.
Background
The circuit breaker is a switching device capable of closing, carrying and breaking current under normal loop conditions and carrying and breaking current under abnormal loop conditions within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the high-voltage boundary line is more fuzzy, the circuit breaker is generally called a high-voltage electric appliance which is more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, protection is carried out on a power supply line, a motor and the like, the circuit can be automatically cut off when serious overload or short circuit, undervoltage and other faults occur on the circuit breaker, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an undervoltage relay and the like, and parts are not required to be changed after breaking fault current, so that the circuit breaker has been widely applied, and is an extremely important link in the generation, the transmission and the use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and a low-voltage circuit breaker is an electrical appliance with wide application range.
The utility model relates to a compact circuit breaker switch gear, small-size moulded case circuit breaker is a power protection device that is set up to be used for protecting circuit through preventing load device and circuit and being damaged because of accident current in the circuit, and the MCCB is the device that sets up in little block board densely to conveniently switch on and off switch from a position of commercial district, office department, department store etc. but the size of current switch gear unit is big and complicated and the arc extinguishing unit is little, therefore the utility model discloses a compact circuit breaker switch gear can effectually solve above-mentioned problem, can make the size maximize of arc extinguishing device, consequently improves the arc extinguishing performance.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a compact breaker switch mechanism, which has the advantages of maximizing the size of an arc extinguishing device and improving the arc extinguishing performance, and solves the problems of large and complex size and small arc extinguishing unit of the existing breaker switch mechanism.
The utility model is realized in such a way, the compact circuit breaker switch mechanism comprises two clapboards, wherein baffles are arranged on two sides of one side opposite to the two clapboards, through holes are formed in the tops of the two sides opposite to the two clapboards, an isolation rear plate is fixedly connected between the two sides of the two clapboards, an epoxy rod is arranged on the right side of one isolation rear plate, and three groups of rotating assemblies are arranged on the surface of the epoxy rod.
As the preferable mode of the utility model, the rotating component comprises shaft plastic, the inner cavity of the shaft plastic is movably connected with a plastic link rod through a shaft pin, one side of the plastic link rod is movably connected with a movable shell through the shaft pin, the inner cavity of the movable shell is provided with a movable contact, and the bottom of the movable contact is movably connected with a fixed contact through the shaft pin.
As preferable in the utility model, a main shaft is arranged between the surfaces of the three groups of static contacts, and both sides of the main shaft are contacted with the isolation rear plate.
Preferably, the left side of the shaft plastic is provided with a fixed shaft sleeve, and the left side of the fixed shaft sleeve is connected with one of the partition plates.
As a preferable mode of the utility model, a lower isolation ground contact fixing plate is arranged between the rear sides of the two isolation rear plates, and a plurality of connecting blocks are arranged at the top of the lower isolation ground contact fixing plate.
As a preferable mode of the utility model, a circuit breaker fixing front plate is arranged between the right sides of the two partition plates, and a mounting hole is formed in the surface of the circuit breaker fixing front plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model solves the problems of large and complex size and small arc extinguishing unit of the existing breaker switch mechanism through the matched use of the baffle plate, the through hole, the isolation rear plate, the epoxy rod and the rotating component.
2. According to the utility model, through the cooperation of the shaft plastic, the plastic connecting rod, the movable shell, the movable contact and the fixed contact, firstly, a worker can sequentially sleeve the plastic connecting rod on the surface of the shaft plastic, then the movable shell is connected with the plastic connecting rod through the rotating shaft, at the moment, the worker connects the inner cavity of the movable shell with the movable contact through the rotating shaft, and connects the bottom of the movable contact with the fixed contact through the shaft pin, when the shaft plastic is used, the movable contact drives the fixed contact to press downwards through the plastic connecting rod in cooperation with the movable shell, so that the arc extinguishing performance is improved, and through the arrangement of the main shaft, the main shaft is contacted with the isolation rear plate to limit the fixed contact, and through the arrangement of the fixed shaft sleeve, the fixed shaft sleeve is connected with one of the partition plates, so that the limiting effect of the shaft plastic is achieved.
3. The utility model plays a role in reinforcing and positioning the isolation rear plate through the cooperation of the lower isolation grounding contact fixing plate and the connecting block, and plays a role in reinforcing two partition plates through the arrangement of the circuit breaker fixing front plate.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;
FIG. 2 is a side view of the overall structure provided by an embodiment of the present utility model;
fig. 3 is a split view of an overall structure provided by an embodiment of the present utility model.
In the figure: 1. a partition plate; 2. a baffle; 3. a through hole; 4. an isolation back plate; 5. an epoxy rod; 6. a rotating assembly; 601. shaft plastic; 602. a plastic link; 603. a movable case; 604. a moving contact; 605. a stationary contact; 606. a main shaft; 607. fixing the shaft sleeve; 7. a lower isolation ground contact fixing plate; 8. a connecting block; 9. the circuit breaker fixes the front plate.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the compact circuit breaker switching mechanism provided by the embodiment of the utility model comprises two partition boards 1, wherein baffle boards 2 are arranged on two sides of one opposite side of the two partition boards 1, through holes 3 are formed in the tops of one opposite side of the two partition boards 1, an isolation rear board 4 is fixedly connected between two sides of the two partition boards 1, an epoxy rod 5 is arranged on the right side of one isolation rear board 4, and three groups of rotating assemblies 6 are arranged on the surface of the epoxy rod 5.
Referring to fig. 1, 2 and 3, the rotating assembly 6 includes a shaft plastic 601, an inner cavity of the shaft plastic 601 is movably connected with a plastic link 602 through a shaft pin, one side of the plastic link 602 is movably connected with a movable shell 603 through the shaft pin, an inner cavity of the movable shell 603 is provided with a movable contact 604, the bottom of the movable contact 604 is movably connected with a fixed contact 605 through the shaft pin, a main shaft 606 is arranged between surfaces of three groups of fixed contacts 605, two sides of the main shaft 606 are contacted with an isolation rear plate 4, a fixed shaft sleeve 607 is arranged on the left side of the shaft plastic 601, and the left side of the fixed shaft sleeve 607 is connected with one of the partition plates 1.
The scheme is adopted: through setting up the cooperation of axle plastic 601, plastic connecting rod 602, movable shell 603, movable contact 604 and static contact 605 and use, at first the staff can overlap plastic connecting rod 602 in proper order and establish the surface at axle plastic 601, then rethread pivot makes movable shell 603 be connected with plastic connecting rod 602, at this moment the staff is connected movable shell 603's inner chamber through the pivot with movable contact 604 again, and be connected movable contact 604's bottom through the pivot with static contact 605, axle plastic 601 can be when rotatory through plastic connecting rod 602 cooperation movable shell 603 with movable contact 604 drive static contact 605 down press the effect of improvement arc extinguishing performance, through setting up main shaft 606, main shaft 606 has contacted with isolation back plate 4 and has played the limiting displacement to static contact 605, through setting up fixed axle sleeve 607, fixed axle sleeve 607 is connected with one of them baffle 1, the limiting displacement of axle plastic 601 has been played.
Referring to fig. 1, 2 and 3, a fixing shaft sleeve 607 is provided at the left side of the shaft plastic 601, the left side of the fixing shaft sleeve 607 is connected with one of the partition plates 1, a circuit breaker fixing front plate 9 is provided between the right sides of the two partition plates 1, and a mounting hole is provided on the surface of the circuit breaker fixing front plate 9.
The scheme is adopted: through the cooperation of setting up down keep apart ground contact fixed plate 7 and connecting block 8 and use, played the reinforcement to keep apart back plate 4, positioning action has been played the reinforcement effect to two baffles 1 through setting up the fixed front bezel 9 of circuit breaker.
The working principle of the utility model is as follows:
when the circuit breaker is used, firstly, a worker can sequentially sleeve the plastic connecting rod 602 on the surface of the shaft plastic 601, then the movable shell 603 is connected with the plastic connecting rod 602 through the rotating shaft, at the moment, the worker connects the inner cavity of the movable shell 603 with the movable contact 604 through the rotating shaft, and connects the bottom of the movable contact 604 with the fixed contact 605 through the shaft pin, when the circuit breaker is used, the shaft plastic 601 can drive the movable contact 604 to drive the fixed contact 605 to downwards press through the plastic connecting rod 602 and the movable shell 603 when rotating, so that the effect of improving the arc extinguishing performance is achieved, and the problems that the size of an existing circuit breaker switch mechanism is large and complex and an arc extinguishing unit is small are solved.
To sum up: this compact circuit breaker switch gear through setting up baffle 1, baffle 2, through-hole 3, keeping apart back plate 4, epoxy stick 5 and the cooperation of rotating assembly 6 and use, has solved the big and complicated problem that the arc extinguishing unit is little of current circuit breaker switch gear size.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A compact circuit breaker switching mechanism comprising two spacers (1), characterized in that: baffle (2) are arranged on two sides of one opposite side of the two baffles (1), through holes (3) are formed in the tops of one opposite side of the two baffles (1), isolation rear plates (4) are fixedly connected between two sides of the two baffles (1), epoxy rods (5) are arranged on the right side of one isolation rear plate (4), and three groups of rotating assemblies (6) are arranged on the surface of each epoxy rod (5).
2. The compact circuit breaker switching mechanism of claim 1 wherein: the rotating assembly (6) comprises shaft plastic (601), a plastic connecting rod (602) is movably connected to an inner cavity of the shaft plastic (601) through a shaft pin, a movable shell (603) is movably connected to one side of the plastic connecting rod (602) through the shaft pin, a movable contact (604) is arranged in the inner cavity of the movable shell (603), and a fixed contact (605) is movably connected to the bottom of the movable contact (604) through the shaft pin.
3. A compact circuit breaker switching mechanism as recited in claim 2 wherein: a main shaft (606) is arranged between the surfaces of the three groups of static contacts (605), and two sides of the main shaft (606) are contacted with the isolation rear plate (4).
4. A compact circuit breaker switching mechanism as recited in claim 3 wherein: the left side of axle plastic (601) is provided with fixed axle sleeve (607), the left side of fixed axle sleeve (607) is connected with one of them baffle (1).
5. The compact circuit breaker switching mechanism of claim 1 wherein: a lower isolation grounding contact fixing plate (7) is arranged between the rear sides of the two isolation rear plates (4), and a plurality of connecting blocks (8) are arranged at the top of the lower isolation grounding contact fixing plate (7).
6. The compact circuit breaker switching mechanism of claim 1 wherein: a breaker fixing front plate (9) is arranged between the right sides of the two partition plates (1), and mounting holes are formed in the surface of the breaker fixing front plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321163163.2U CN219958907U (en) | 2023-05-15 | 2023-05-15 | Compact breaker switch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321163163.2U CN219958907U (en) | 2023-05-15 | 2023-05-15 | Compact breaker switch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219958907U true CN219958907U (en) | 2023-11-03 |
Family
ID=88538191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321163163.2U Active CN219958907U (en) | 2023-05-15 | 2023-05-15 | Compact breaker switch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219958907U (en) |
-
2023
- 2023-05-15 CN CN202321163163.2U patent/CN219958907U/en active Active
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| GR01 | Patent grant |