CN218975378U - Arc extinguishing chamber of low-voltage circuit breaker - Google Patents
Arc extinguishing chamber of low-voltage circuit breaker Download PDFInfo
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- CN218975378U CN218975378U CN202223162313.6U CN202223162313U CN218975378U CN 218975378 U CN218975378 U CN 218975378U CN 202223162313 U CN202223162313 U CN 202223162313U CN 218975378 U CN218975378 U CN 218975378U
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- voltage circuit
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Abstract
The utility model relates to the technical field of arc-extinguishing chambers, and particularly discloses an arc-extinguishing chamber of a low-voltage circuit breaker, which comprises: two arc-separating walls for protecting and blocking the arc; a first arc extinguishing grid sheet and a plurality of second arc extinguishing grid sheets are arranged between the two arc separation walls; one side of the arc separation wall is provided with an array of locking blocks for fixing the arc extinguishing structure. According to the arc-extinguishing chamber, the assembled structure is utilized to assemble the arc-extinguishing structure formed by the first arc-extinguishing gate sheet and the second arc-extinguishing gate sheet, the assembly and the disassembly are convenient, a certain arc-extinguishing gate sheet is damaged to be replaced at any time, the two arc-dividing walls in the arc-extinguishing chamber are fixed through the supporting rods, a plurality of arc-extinguishing structures are arranged, the electric arc is rapidly introduced, the electric arc is rapidly extinguished through the through grooves and the through grooves, the electric arc is segmented in a multi-section mode, and the safety and the service life of the arc-extinguishing chamber are improved.
Description
Technical Field
The utility model relates to the technical field of arc-extinguishing chambers, in particular to a low-voltage circuit breaker arc-extinguishing chamber.
Background
The arc extinguishing chamber is a core component of the power switch and has the functions of rapidly extinguishing arcs and inhibiting current, so that accidents and accidents are avoided.
In the prior art, the application number is disclosed as follows: the utility model of CN201110332929.0 is named: an arc-extinguishing chamber device of a circuit breaker is designed, wherein the arc-extinguishing chamber device with rapid arc striking and better arc-extinguishing performance can effectively improve the breaking performance of the circuit breaker, and the problem that an arc cannot enter the arc-extinguishing chamber rapidly and effectively is solved.
However, the explosion chamber that prior art mentioned like application number CN201110332929.0 is inconvenient, dismouting complex operation, needs the mode of riveting the point anchor to fix the arc extinguishing bars piece, and the arc breaking effect of explosion chamber is poor, and the arc barrier supportability of explosion chamber is poor, can't stably support explosion chamber structure.
Disclosure of Invention
The utility model aims to provide an arc extinguish chamber of a low-voltage circuit breaker so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
a low voltage circuit breaker arc chute, the arc chute comprising: two arc-separating walls for protecting and blocking the arc.
A first arc extinguishing grid sheet and a plurality of second arc extinguishing grid sheets are arranged between the two arc separation walls.
One side of the arc separation wall is provided with an array of locking blocks for fixing the arc extinguishing structure.
Further, one side array of the arc separation wall is provided with a first through groove, the other side array is provided with a clamping groove for installing an arc extinguishing structure, and the clamping groove is communicated with two adjacent first through grooves.
The arc-separating wall is fixedly provided with a first convex part, one end of the arc-separating wall is fixedly provided with a second convex part, one side of the arc-separating wall is provided with a mounting hole, and the bottom of the arc-separating wall is provided with an open slot.
Further, the fixed third convex part that is equipped with of one end of second arc extinguishing bars piece, the other end are equipped with the second and run through the groove, run through the inslot and offer the logical groove that is used for the intercommunication second to run through the groove, the fixed connecting block that is equipped with in both sides of second arc extinguishing bars piece, the slot has been seted up to the both sides of connecting block, is equipped with spacing hole in the slot.
The connecting block is matched with the first through groove.
Further, two inserted bars are fixedly arranged on one side of the lock block, limiting blocks are fixedly arranged on the inserted bars, the inserted bars are matched with the slots, and the limiting blocks are matched with the limiting holes.
Further, the first arc-extinguishing grid sheet and the second arc-extinguishing grid sheet have the same structure, and an arc striking sheet is fixedly arranged on the first arc-extinguishing grid sheet.
Further, a supporting rod is arranged between the two arc separation walls, mounting blocks are fixedly arranged at two ends of the supporting rod, a connecting rod is fixedly arranged on one side of the supporting rod, an arc striking plate used for connecting arc extinguishing grid plates is fixedly arranged at one end of the connecting rod, and the mounting blocks are matched with the mounting holes.
The utility model has the beneficial effects that:
1. the arc extinguishing chamber is assembled by utilizing an assembled structure, the arc extinguishing structure formed by the first arc extinguishing gate sheet and the second arc extinguishing gate sheet is convenient to install and disassemble, a certain arc extinguishing gate sheet is damaged and can be replaced at any time, and two arc separation walls in the arc extinguishing chamber are fixed through the support rods;
2. according to the arc-extinguishing chamber, the plurality of arc-extinguishing structures are arranged, the second through grooves and the through grooves are rapidly introduced into the arc to rapidly extinguish the arc, the arc is segmented in multiple sections, and the safety and the service life of the arc-extinguishing chamber are improved.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an arc extinguishing chamber according to the present utility model;
FIG. 2 is a schematic view of the arc wall structure of the present utility model;
fig. 3 is a schematic view of a second arc chute sheet structure according to the present utility model;
FIG. 4 is a schematic view of the structure of the lock block of the present utility model;
fig. 5 is a schematic view of a first arc chute sheet structure according to the present utility model;
fig. 6 is a schematic view of the structure of the support bar of the present utility model.
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.
As shown in fig. 1, the arc extinguishing chamber of the low-voltage circuit breaker comprises a first arc extinguishing grid sheet 3 and a plurality of second arc extinguishing grid sheets 2, wherein two sides of the first arc extinguishing grid sheet 3 are connected with arc separating walls 1, and one sides of the arc separating walls 1 are provided with locking blocks 4 distributed in an array.
As shown in fig. 2, two arc separation walls 1 are provided, one side of each arc separation wall 1 is provided with first penetrating grooves 11 distributed in an array, the other side of each arc separation wall 1 is provided with clamping grooves 12 distributed in an array, the arc separation walls are used for installing the first arc extinguishing grid plates 3 and the second arc extinguishing grid plates 2, the first arc extinguishing grid plates 3 and the second arc extinguishing grid plates 2 are clamped and fixed, and the clamping grooves 12 are communicated with the two adjacent first penetrating grooves 11.
The arc separating wall 1 is fixedly provided with a first convex part 13, one end of the arc separating wall 1 is fixedly provided with a second convex part 14, one side of the arc separating wall 1, which is close to the first convex part 13, is provided with a mounting hole 15, and the bottom of the arc separating wall 1 is provided with an open slot 16.
As shown in fig. 3, a third protruding portion 21 is fixedly arranged at one end of the second arc-extinguishing grid sheet 2, a second penetrating groove 23 is arranged at the other end of the second arc-extinguishing grid sheet, a through groove 22 is formed in the second penetrating groove 23, the through groove 22 is communicated with the second penetrating groove 23, connecting blocks 24 are fixedly arranged at two sides of the second arc-extinguishing grid sheet 2, inserting grooves 25 are formed at two sides of the connecting blocks 24, limiting holes 26 are formed in the inserting grooves 25, and the connecting blocks 24 are matched with the first penetrating groove 11.
As shown in fig. 4, two inserting rods 41 are fixedly arranged on one side of the locking piece 4, limiting blocks 42 are fixedly arranged on the inserting rods 41, the inserting rods 41 are matched with the slots 25, and the limiting blocks 42 are matched with the limiting holes 26.
As shown in fig. 5, the first arc-extinguishing gate sheet 3 has the same structure as the second arc-extinguishing gate sheet 2, the first arc-extinguishing gate sheet 3 is located at one side of the second arc-extinguishing gate sheet 2, and the arc striking sheet 31 is fixedly arranged in the through groove 22 on the first arc-extinguishing gate sheet 3.
As shown in fig. 6, a supporting rod 5 is connected between two arc separation walls 1, two ends of the supporting rod 5 are fixedly provided with mounting blocks 51, the mounting blocks 51 are connected with mounting holes 15, one side of the supporting rod 5 is fixedly provided with a connecting rod 52, one end, far away from the supporting rod 5, of the connecting rod 52 is fixedly provided with an arc striking plate 53, and the arc striking plate 53 is fixedly connected with a second arc extinguishing grid sheet 2 far away from the first arc extinguishing grid sheet 3.
When in use, two arc separation walls 1 are arranged on two sides of the second arc extinction grating sheet 2, the locking blocks 4 are inserted into the connecting blocks 24 on two sides of the second arc extinction grating sheet 2 to lock the second arc extinction grating sheet 2, the supporting rods 5 are arranged between the two arc separation walls 1, are arranged and connected in the mounting holes 15, and the arc striking plates 53 are connected to the second arc extinction grating sheet 2 close to the supporting rods 5.
Similarly, install first arc extinguishing bars piece 3 between two partition arc walls 1, form stable in structure's explosion chamber structure, be applied to low-voltage circuit breaker, first arc extinguishing bars piece 3 forms the arc extinguishing structure with second arc extinguishing bars piece 2, arc striking piece 31 and striking board 53 are arranged in introducing the explosion chamber fast with the electric arc in the low-voltage circuit breaker, the logical groove 22 and the second on a plurality of second arc extinguishing bars piece 2 run through groove 23 structure, can carry out efficient segmentation to the electric arc, realize good extinction performance.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A low voltage circuit breaker arc chute, the arc chute comprising: two arc-separating walls (1) for protecting and blocking an arc;
a first arc extinguishing grid sheet (3) and a plurality of second arc extinguishing grid sheets (2) are arranged between the two arc separation walls (1);
one side of the arc separation wall (1) is provided with a locking block (4) for fixing an arc extinguishing structure in an array mode.
2. The arc extinguishing chamber of the low-voltage circuit breaker according to claim 1, characterized in that a first through groove (11) is arranged on one side of the arc partition wall (1) in an array manner, a clamping groove (12) for installing an arc extinguishing structure is arranged on the other side of the arc partition wall in an array manner, and the clamping groove (12) is communicated with two adjacent first through grooves (11);
the arc-separating wall (1) is fixedly provided with a first convex part (13), one end of the arc-separating wall (1) is fixedly provided with a second convex part (14), one side of the arc-separating wall (1) is provided with a mounting hole (15), and the bottom of the arc-separating wall (1) is provided with an open slot (16).
3. The arc extinguishing chamber of the low-voltage circuit breaker according to claim 2, wherein one end of the second arc extinguishing grid sheet (2) is fixedly provided with a third convex part (21), the other end of the second arc extinguishing grid sheet is provided with a second through groove (23), a through groove (22) for communicating the second through groove (23) is formed in the second through groove (23), connecting blocks (24) are fixedly arranged on two sides of the second arc extinguishing grid sheet (2), two sides of each connecting block (24) are provided with slots (25), and limiting holes (26) are formed in the slots (25);
the connecting block (24) is matched with the first through groove (11).
4. A low-voltage circuit breaker arc extinguishing chamber according to claim 3, characterized in that one side of the locking piece (4) is fixedly provided with two inserting rods (41), the inserting rods (41) are fixedly provided with limiting blocks (42), the inserting rods (41) are matched with the slots (25), and the limiting blocks (42) are matched with the limiting holes (26).
5. A low-voltage circuit breaker arc-extinguishing chamber according to claim 3, characterized in that the first arc-extinguishing grid sheet (3) and the second arc-extinguishing grid sheet (2) have the same structure, and the first arc-extinguishing grid sheet (3) is fixedly provided with an arc striking sheet (31).
6. The arc extinguishing chamber of the low-voltage circuit breaker according to claim 2, characterized in that a supporting rod (5) is arranged between the two arc separation walls (1), two ends of the supporting rod (5) are fixedly provided with mounting blocks (51), one side of the supporting rod (5) is fixedly provided with a connecting rod (52), one end of the connecting rod (52) is fixedly provided with an arc striking plate (53) used for connecting the second arc extinguishing grid plate (2), and the mounting blocks (51) are matched with the mounting holes (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162313.6U CN218975378U (en) | 2022-11-28 | 2022-11-28 | Arc extinguishing chamber of low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162313.6U CN218975378U (en) | 2022-11-28 | 2022-11-28 | Arc extinguishing chamber of low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218975378U true CN218975378U (en) | 2023-05-05 |
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ID=86165751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223162313.6U Active CN218975378U (en) | 2022-11-28 | 2022-11-28 | Arc extinguishing chamber of low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218975378U (en) |
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2022
- 2022-11-28 CN CN202223162313.6U patent/CN218975378U/en active Active
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