CN220065489U - Arc extinguishing chamber and circuit breaker - Google Patents
Arc extinguishing chamber and circuit breaker Download PDFInfo
- Publication number
- CN220065489U CN220065489U CN202321411014.3U CN202321411014U CN220065489U CN 220065489 U CN220065489 U CN 220065489U CN 202321411014 U CN202321411014 U CN 202321411014U CN 220065489 U CN220065489 U CN 220065489U
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- boss
- arc extinguishing
- extinguishing chamber
- arc
- side plates
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- 230000000670 limiting effect Effects 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of piezoelectric devices, and discloses an arc extinguishing chamber and a circuit breaker. The arc extinguishing chamber comprises side plates and grid plates, wherein the two side plates are oppositely arranged, guide grooves extending along a first direction are respectively arranged on the opposite side walls of the two side plates, and a supporting block and a limiting block are arranged on one side plate; one end of the grid plate is provided with a first boss and a second boss, the first boss can slide along the guide groove and is clamped between the supporting block and the limiting block, the second boss is embedded in the guide groove, and the other end of the grid plate is arranged in the guide groove of the other side plate; the circuit breaker includes casing and above explosion chamber, and the explosion chamber is located in the casing. The utility model can reduce the assembly difficulty of the arc extinguishing chamber, improve the manufacturability and the assembly efficiency, reduce the cost, improve the assembly quality and improve the consistency of the circuit breaker products.
Description
Technical Field
The utility model relates to the technical field of piezoelectric devices, in particular to an arc extinguishing chamber and a circuit breaker.
Background
The arc-extinguishing chamber is an important component of the circuit breaker, and is usually composed of grid plates arranged at intervals in multiple layers, and an arc generated in the circuit breaker can be introduced between the arc-extinguishing chambers under the action of hot air flow or electromagnetic force, and can be divided into multiple sections of short arcs through the cutting action of the arc-extinguishing chambers, so that the arc-extinguishing effect is achieved, and the safety of an electrical system is ensured.
Currently, the structure of the arc extinguishing chamber includes two side plates disposed opposite to the outermost side, a plurality of arc extinguishing grids disposed between the two side plates at intervals, and other auxiliary structures. The arc-extinguishing chamber grid plates and the side plates are usually fixed in a riveting mode, so that support and limit are formed between the arc-extinguishing chamber grid plates and the side plates.
The assembly mode of the arc extinguishing chamber is usually realized by means of a special assembly tool, so that the assembly process of the arc extinguishing chamber is complicated, the efficiency is low, the cost is high, the riveting quality is difficult to control, and the consistency of a circuit breaker product is poor.
Disclosure of Invention
The utility model aims to provide an arc extinguish chamber and a circuit breaker, which are used for reducing the assembly difficulty of the arc extinguish chamber, improving the manufacturability and the assembly efficiency, reducing the cost, improving the assembly quality and further improving the consistency of circuit breaker products.
To achieve the purpose, the utility model adopts the following technical scheme:
an arc chute, comprising:
the side plates are oppositely arranged, guide grooves extending along the first direction are respectively formed in the opposite side walls of the two side plates, and one side plate is provided with a supporting block and a limiting block;
the grid plate, the one end of grid plate is equipped with first boss and second boss, first boss can be followed the guide slot slip and joint in between supporting shoe and the stopper, the second boss inlays and locates in the guide slot, the other end of grid plate is arranged in another in the guide slot of curb plate.
As an alternative scheme of explosion chamber, the supporting shoe with the stopper is followed the first direction interval sets up, the supporting shoe with form the holding tank between the stopper, first boss is arranged in the holding tank.
As an alternative to the arc extinguishing chamber, the support block is disposed close to the guide groove, and one end of the support block close to the guide groove extends obliquely in a direction away from the guide groove.
As an alternative scheme of the arc extinguishing chamber, the supporting block, the limiting block and the side plate are of an integrated structure.
As an alternative to the arc extinguishing chamber, the supporting block is elongated and extends along the second direction.
As an alternative to an arc extinguishing chamber, two side plates are connected by two connecting plates arranged opposite to each other, and two side plates and two connecting plates are enclosed to form an arc extinguishing frame.
As an alternative to an arc chute, the arc chute is of one-piece construction.
As an alternative to the arc extinguishing chamber, one end of the grid plate is provided with a plurality of second bosses at intervals along the first direction.
As an alternative scheme of the arc extinguishing chamber, a fillet is arranged at one end of the grid plate, which is close to the first boss.
The circuit breaker comprises a shell and further comprises the arc extinguishing chamber according to any scheme, wherein the arc extinguishing chamber is arranged in the shell.
The beneficial effects are that:
according to the first aspect of the utility model, when the component of the arc extinguishing chamber is assembled, the first boss and the second boss of the grid plate slide along the guide groove, and the first boss is matched with the supporting block, so that the clamping connection with the supporting block is completed; the first boss is limited in the first direction through the combined limiting action of the limiting block and the supporting block, so that the grid plate is limited in the first direction; the limit of the grid plate in the second direction is realized by embedding the second boss in the guide groove; the grid plate is clamped between the two oppositely arranged side plates, so that the limit of the grid plate in the third direction is realized; in conclusion, the full limit of the grid plate is realized, the riveting fixing mode between the arc extinguish chamber and the side plate in the prior art is replaced, meanwhile, the assembly by using a special tool is avoided, the assembly difficulty of the arc extinguish chamber is reduced, the manufacturability and the assembly efficiency are improved, the cost is reduced, and the assembly quality is improved.
In a second aspect of the present utility model, a circuit breaker equipped with the arc extinguishing chamber can improve the assembly efficiency and the assembly quality of the circuit breaker.
Drawings
Fig. 1 is an isometric view of an arc chute provided by an embodiment of the present utility model;
fig. 2 is an assembled schematic view of an arc extinguishing chamber according to an embodiment of the present utility model;
fig. 3 is a schematic cross-sectional view of an arc chute according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a side plate according to an embodiment of the present utility model.
In the figure:
x, a first direction; y, second direction; z, third direction;
1. an arc extinguishing frame;
10. a side plate; 110. a guide groove; 120. a support block; 130. a limiting block; 140. a receiving groove;
20. a grid plate; 210. a first boss; 220. a second boss; 211. round corners;
30. and (5) connecting a plate.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Referring to fig. 1-4, an aspect of the present embodiment relates to an arc extinguishing chamber, the arc extinguishing chamber includes side plates 10 and a grid plate 20, the two side plates 10 are oppositely disposed, guide grooves 110 extending along a first direction X are respectively provided on opposite side walls of the two side plates 10, and a side plate 10 of one of the two side plates is provided with a supporting block 120 and a limiting block 130; one end of the grid plate 20 is provided with a first boss 210 and a second boss 220, the first boss 210 can slide along the guide groove 110 and is clamped between the supporting block 120 and the limiting block 130, the second boss 220 is embedded in the guide groove 110, and the other end of the grid plate 20 is arranged in the guide groove 110 of the other side plate 10.
In this embodiment, when assembling the components of the arc extinguishing chamber, the first boss 210 and the second boss 220 of the grid plate 20 slide along the guide groove 110, and the first boss 210 slides and is clamped between the supporting block 120 and the limiting block 130, so as to complete the clamping with the supporting block 120; the first boss 210 is limited in the first direction X by the combined limiting action of the limiting block 130 and the supporting block 120, so that the grid plate 20 is limited in the first direction X; by embedding the second boss 220 in the guide groove 110, the limitation of the grid 20 in the second direction Y is realized; by sandwiching the louver 20 between two oppositely disposed side plates 10, the limitation of the louver 20 in the third direction Z is achieved; in sum, the grid plate 20 is completely limited, the arc extinguishing chamber and the side plate 10 in the prior art are prevented from being fixed in a riveting mode, the assembly difficulty of the arc extinguishing chamber is reduced, the manufacturability and the assembly efficiency are improved, the cost is reduced, the assembly quality is improved, and the side plate 10 of one of the arc extinguishing chambers is provided with the supporting block 120 and the limiting block 130, so that the forming and demolding of parts can be facilitated.
In the present embodiment, the first direction X, the second direction Y, and the third direction Z are perpendicular to each other.
Alternatively, the support block 120 is disposed near the guide groove 110, and one end of the support block 120 near the guide groove 110 extends obliquely in a direction away from the guide groove 110. By inclining the support block 120 near one end of the guide groove 110, the first boss 210 can be smoothly engaged with the support block 120 along the inclined surface of the support block 120 in the direction away from the guide groove 110 when contacting the support block 120. In other embodiments, the end of the supporting block 120 near the guiding slot 110 may be designed to be an arc surface, so that the clamping effect is also easy when the first boss 210 contacts the supporting block 120.
Optionally, the contact surface of the supporting block 120 clamped with the first boss 210 is a plane, and the plane is used as the contact surface of the clamping, so that the stability of the clamping of the supporting block 120 with the first boss 210 can be ensured.
Alternatively, the supporting block 120 and the limiting block 130 are spaced along the first direction X, the accommodating groove 140 is formed between the supporting block 120 and the limiting block 130, and the first boss 210 is disposed in the accommodating groove 140. In the present embodiment, the supporting block 120 and the limiting block 130 are surrounded to form the accommodating groove 140, and the accommodating groove 140 can accommodate the structure of the first boss 210 to accommodate the first boss 210; of course, in other embodiments, the accommodating groove 140 may be directly formed on the side plate 10, so that the accommodating groove 140 is engaged with the first boss 210.
Optionally, the support block 120, the stopper 130 and the side plate 10 are in a unitary structure. By integrating the support block 120, the stopper 130 and the side plate 10, the number of parts can be reduced, the assembling property can be improved, and the cost can be reduced.
Alternatively, the support block 120 is elongated, and the support block 120 extends along the second direction Y. In order to realize corresponding clamping of the first boss 210 of each grid plate 20, the supporting blocks 120 need to be sequentially arranged at the clamping positions, so that the supporting blocks 120 are conveniently and integrally formed on the side plates 10, the supporting blocks 120 are designed to be long and extend along the second direction Y, and the extending length of the supporting blocks 120 can cover all grid plates 20 and be clamped with the same.
Alternatively, the two side plates 10 are connected by two connecting plates 30 disposed opposite to each other, and the two side plates 10 and the two connecting plates 30 are enclosed to form the arc extinguishing frame 1. In this embodiment, two curb plates 10 are connected through two connecting plates 30 that set up relatively, specifically, two curb plates 10 and two connecting plates 30 alternate arrangement, and the head and the tail link up and form arc extinguishing frame 1, and connecting plate 30 is only used for making two curb plates 10 connect as an organic wholely, so connecting plate 30 can be less for curb plate 10 width, under the condition that compromise joint strength, drawing of patterns effect and explosion chamber size, the person of skill in the art can rationally optimize the width of connecting plate 30, the specific dimensional parameter of connecting plate 30, and this embodiment is not restricted.
Further, the arc extinguishing frame 1 is of an integral structure. Through making two curb plates 10 and two connecting plates 30 constitute integral type structure, can make things convenient for the shaping of whole arc extinguishing frame 1, reduce part quantity and assembly process, promote the assemblability of explosion chamber, reduce cost.
Optionally, a plurality of second bosses 220 are spaced apart from one end of the louver 20. In this embodiment, two second bosses 220 are disposed at one end of the grid 20 along the first direction X at intervals, and the two second bosses 220 are embedded in the guide groove 110, so as to ensure stable and limited position of the grid 20 relative to the side plate 10. In other embodiments, the number of second bosses 220 may be reasonably adjusted according to the length of louver 20.
The end of the louver 20 adjacent to the first boss 210 is provided with a rounded corner 211. In this embodiment, by disposing the rounded corners 211 at the end of the grid 20 near the first boss 210, the rounded corners 211 can facilitate the grid 20 to be inserted into the guide groove 110 rapidly when the grid 20 is matched with the guide groove 110 of the side plate 10, thereby improving the assembly efficiency.
Another aspect of this embodiment also relates to a circuit breaker including a housing and the above arc extinguishing chamber, which can effectively improve the assembly quality of the arc extinguishing chamber, thereby improving the consistency of the circuit breaker product.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Arc extinguishing chamber, its characterized in that includes:
the side plates (10), two side plates (10) are oppositely arranged, guide grooves (110) extending along a first direction are respectively formed in the opposite side walls of the two side plates (10), and one side plate (10) is provided with a supporting block (120) and a limiting block (130);
grid tray (20), the one end of grid tray (20) is equipped with first boss (210) and second boss (220), first boss (210) can be followed guide slot (110) slip and joint in between supporting shoe (120) and stopper (130), second boss (220) are inlayed and are located in guide slot (110), the other end of grid tray (20) is arranged in another in guide slot (110) of curb plate (10).
2. The arc extinguishing chamber according to claim 1, characterized in that the support block (120) and the stopper (130) are arranged at intervals along the first direction, a receiving groove (140) is formed between the support block (120) and the stopper (130), and the first boss (210) is placed in the receiving groove (140).
3. The arc extinguishing chamber according to claim 1, characterized in that the support block (120) is arranged close to the guide slot (110), and that an end of the support block (120) close to the guide slot (110) extends obliquely in a direction away from the guide slot (110).
4. The arc chute of claim 1 wherein said support block (120), said stopper (130) and said side plate (10) are of unitary construction.
5. The arc chute of claim 1 wherein the support block (120) is elongated and the support block (120) extends along the second direction.
6. The arc extinguishing chamber according to claim 1, characterized in that the two side plates (10) are connected by two connecting plates (30) arranged opposite each other, the two side plates (10) and the two connecting plates (30) being enclosed to form an arc extinguishing frame (1).
7. The arc chute of claim 6 wherein said arc chute (1) is of unitary construction.
8. The arc chute according to claim 1, wherein one end of said louver (20) is provided with a plurality of said second bosses (220) at intervals along said first direction.
9. The arc chute according to claim 1, wherein an end of the grid plate (20) adjacent to the first boss (210) is provided with rounded corners (211).
10. Circuit breaker comprising a housing, characterized in that it further comprises an arc chute according to any of claims 1-9, said arc chute being provided in said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411014.3U CN220065489U (en) | 2023-06-05 | 2023-06-05 | Arc extinguishing chamber and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411014.3U CN220065489U (en) | 2023-06-05 | 2023-06-05 | Arc extinguishing chamber and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065489U true CN220065489U (en) | 2023-11-21 |
Family
ID=88750535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411014.3U Active CN220065489U (en) | 2023-06-05 | 2023-06-05 | Arc extinguishing chamber and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065489U (en) |
-
2023
- 2023-06-05 CN CN202321411014.3U patent/CN220065489U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |