CN219716700U - Simple assembly type arc extinguishing chamber - Google Patents
Simple assembly type arc extinguishing chamber Download PDFInfo
- Publication number
- CN219716700U CN219716700U CN202320827207.0U CN202320827207U CN219716700U CN 219716700 U CN219716700 U CN 219716700U CN 202320827207 U CN202320827207 U CN 202320827207U CN 219716700 U CN219716700 U CN 219716700U
- Authority
- CN
- China
- Prior art keywords
- arc
- extinguishing
- side plates
- plate
- gas
- 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
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a simple assembled arc-extinguishing chamber which comprises an integrated arc-extinguishing plate, a plurality of arc-extinguishing grid sheets and a gas-producing cover, wherein the arc-extinguishing plate comprises side plates and a connecting plate, openings are formed on the front sides of the two side plates, a space for accommodating the arc-extinguishing grid sheets is formed between the two side plates, a plurality of notch grooves are formed on the inner sides of the two side plates and are arranged along the vertical direction of the side plates, the gas-producing cover can be inserted into the space between the two side plates from the openings, the gas-producing cover is provided with arc-extinguishing slits, insertion parts are formed on the left side and the right side of each arc-extinguishing slit, a plurality of guide gaps are formed on the insertion parts along the vertical direction, and when the arc-extinguishing plate is matched with the gas-producing cover, the front end and the rear end of each arc-extinguishing grid sheet are limited by the notch grooves and the guide gaps respectively. The arc-isolating plate is directly made into a whole, the arc-extinguishing grid plate is inserted into the space formed by the two side plates, and the arc-extinguishing grid plate is fixed by the mutual matching of the arc-extinguishing grid plate and the arc-extinguishing grid plate through the gas-generating cover which is in plug-in matching with the arc-isolating plate, so that the assembly efficiency is higher, and the reliability of a product is stronger.
Description
Technical Field
The utility model particularly relates to a simple assembly type arc extinguish chamber, and belongs to the technical field of molded case circuit breakers.
Background
The applicant in the chinese patent CN204011329U filed by 2014.08.13 specifically discloses an arc extinguishing chamber of a circuit breaker, which specifically discloses a first casing and a second casing that are combined together by using a splicing structure to fix arc extinguishing grid sheets, and plug inserted arc extinguishing grid sheets by using a gas production cover to prevent the arc extinguishing grid sheets from falling out from an insertion end, but the assembly is too complicated, after casings on two sides are required to be assembled with the arc extinguishing grid sheets, the two casings are spliced by sliding one of the casings, and after the splicing is completed, the two casings are embedded into the gas production cover together to fix.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a simple assembled arc extinguishing chamber.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a simple and easy assembled explosion chamber, its includes the arc-shield plate of integral type, a plurality of arc-extinguishing bars piece and produces the gas shield, the arc-shield plate is including the curb plate that the symmetry set up and be used for connecting the connecting plate of two curb plates, and the front side of two curb plates forms the opening, forms the space that holds the arc-extinguishing bars piece between two curb plates, and two curb plate inboard is equipped with a plurality of breach grooves that set up along the vertical direction of curb plate, produce the gas shield can insert the space between two curb plates by the opening part, it has the arc-extinguishing slit to produce the gas shield, the left and right sides of arc-extinguishing slit forms the insertion part, the insertion part is equipped with a plurality of guiding gaps along vertical direction when arc-shield plate and gas shield are joined in marriage, both ends are spacing by breach groove and guiding gap respectively around the arc-extinguishing bars piece.
The insertion part is provided with a plurality of guide ribs, and guide gaps are formed among the guide ribs.
The notch groove is arranged obliquely downwards, and the guide gap is arranged obliquely upwards.
The upper side of the insertion part extends upwards to form an arc baffle matched with the opening of the arc baffle.
The arc baffle rear side is equipped with the lug of recess, the recess slope upwards sets up.
The inner side of the bottom of the gas production cover is provided with a bayonet, and the front end of the flash barrier is correspondingly provided with a clamping block matched with the bayonet.
The bayonet and the clamping block are trapezoidal.
The connecting plate comprises a top plate arranged at the top of the two side plates and a rear plate arranged at the rear side of the two side plates, and an air outlet is formed between the top plate and the rear plate.
And limit grooves are formed in the edges of two sides of the gas production cover, and the limit grooves are matched with the front end faces of the side plates.
The arc extinguishing bars are provided with V-shaped arc striking notches, arc striking grooves which are not arranged in the middle are formed in the bottoms of the arc striking notches, and arc striking sides of two adjacent arc extinguishing bars are arranged in a staggered mode.
The utility model has the beneficial effects that: the arc-isolating plate is directly made into a whole, the arc-extinguishing grid plate is inserted into the space formed by the two side plates, and the arc-extinguishing grid plate is fixed by the mutual matching of the arc-extinguishing grid plate and the arc-extinguishing grid plate through the gas-generating cover which is in plug-in matching with the arc-isolating plate, so that the assembly efficiency is higher, and the reliability of a product is stronger.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a schematic view of section A-A of fig. 2.
Fig. 4 is a schematic structural view of the gas generating hood.
Fig. 5 is a schematic structural view of the arc shield.
FIG. 6 is a schematic cross-sectional view of a flash barrier.
Fig. 7 is a schematic structural view of an arc chute sheet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
As shown in the figure, the utility model discloses a simple assembled arc-extinguishing chamber, which comprises an integrated arc-extinguishing plate 1, a plurality of arc-extinguishing grid sheets 3 and a gas-generating cover 2, wherein the arc-extinguishing plate 1 and the gas-generating cover 3 are matched to form the arc-extinguishing chamber, and the arc-extinguishing grid sheets 2 are arranged in parallel in the arc-extinguishing chamber.
The arc-barrier plate 1 comprises side plates 13 symmetrically arranged and a connecting plate for connecting the two side plates, the connecting plate comprises a top plate 12 arranged at the top of the two side plates and a rear plate 16 arranged at the rear side of the two side plates, and an air outlet 17 is formed between the top plate and the rear plate and corresponds to the rear ends 33 of the arc-extinguishing grid plates 3 arranged in parallel.
The front side of two curb plates 13 forms the opening, forms the space that holds arc extinguishing bars piece 3 between two curb plates, and two curb plate inboard is equipped with a plurality of breach grooves 11 that set up along the vertical direction of curb plate, and the arc extinguishing bars piece inserts between two curb plates by this opening part, and the rear end of arc extinguishing bars piece inlays and locate the breach inslot to by the degree of depth in the space that two curb plates formed of breach groove restriction arc extinguishing bars piece inserted, also play the effect of limiting the distance between two adjacent arc extinguishing bars piece simultaneously.
The gas generating cover 2 can be inserted into the space between two side plates by the opening part, the gas generating cover is provided with an arc extinguishing slit 24, the left side and the right side of the arc extinguishing slit form an inserting part, the distance between the non-adjacent two side surfaces of the two inserting parts and the distance between the side plates are matched, namely the whole inserting part can be inserted into the space formed by the two side plates, the outer side of the inserting part is contacted with the inner side of the side plates to play the role of left and right limiting, the inserting part is provided with a plurality of guide gaps 21 along the vertical direction, the inserting part is provided with a plurality of guide ribs 22, the guide ribs 22 are vertically arranged in parallel, so that guide gaps are formed between the guide ribs, the guide gaps are correspondingly arranged with the notch grooves, the guide ribs and the arc extinguishing slits are matched to form a fixing structure for fixing arc extinguishing grid pieces, and when the arc extinguishing plate is matched with the gas generating cover, the front end and the rear end 33 of the arc extinguishing grid pieces are respectively limited by the notch grooves, namely the rear end 33 of the arc extinguishing grid pieces is inserted into the guide gaps formed by the guide ribs, the front end 34 of the arc extinguishing grid pieces is limited by the guide ribs to play the front and the rear position, and the limit of the arc extinguishing grid pieces, and the fixing mode is simple.
The notch groove 11 is arranged obliquely downwards, and the guide gap is arranged obliquely upwards, so that the fixed arc extinguishing grid plates are also arranged obliquely.
The upper side of the insertion part extends upwards to form an arc baffle 28 matched with the opening of the arc baffle, so that the whole gas generating cover can completely cover the opening of the arc baffle, and only arc extinguishing slits are reserved, so that the tightness of the whole arc extinguishing chamber is better, and the electric arc entering the arc extinguishing chamber is not easy to escape.
The rear side of the arc baffle is provided with a convex block with a groove 27, and the groove is obliquely upwards arranged and used for fixing the arc striking plate arranged on the uppermost layer.
The inner side of the bottom of the gas production cover is provided with a bayonet 25, the front end of the flash barrier is correspondingly provided with a clamping block 14 matched with the bayonet, the bayonet and the clamping block are trapezoidal, and when the bayonet and the clamping block are matched, the clamping block can be embedded in the bayonet, so that the clamping position of the bayonet and the clamping block is fixed.
The limit groove 26 is arranged at the edges of the two sides of the gas production cover, the limit groove is matched with the front end face 15 of the side plate, when the gas production cover is assembled and matched, the side plate directly moves along the outer walls of the two sides of the gas production cover, the limit groove arranged at the front end is formed by the protrusions formed by the edges, the front end of the side plate is directly embedded in the limit groove, the limitation of the maximum travel when the side plate and the limit groove are matched is achieved, and meanwhile, certain positioning and matching can be achieved, so that the side plate and the limit groove are fixed more reliably.
The arc extinguishing bars are provided with V-shaped arc striking notches 31, arc striking grooves 32 which are not arranged in the middle are arranged at the bottoms of the arc striking notches, the arc striking sides of two adjacent arc extinguishing bars are arranged in a staggered mode, and the arc striking grooves are staggered, so that the arc length can be increased during product breaking test, and the arc extinguishing effect is facilitated.
The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.
Claims (10)
1. A simple assembly type arc extinguishing chamber is characterized in that: the arc-extinguishing plate comprises an integrated arc-extinguishing plate, a plurality of arc-extinguishing grid sheets and a gas-producing cover, wherein the arc-extinguishing plate comprises side plates which are symmetrically arranged and a connecting plate used for connecting the two side plates, an opening is formed on the front sides of the two side plates, a space for accommodating the arc-extinguishing grid sheets is formed between the two side plates, a plurality of notch grooves which are arranged along the vertical direction of the side plates are formed on the inner sides of the two side plates, the gas-producing cover can be inserted into the space between the two side plates through the opening, the gas-producing cover is provided with an arc-extinguishing slit, the left side and the right side of the arc-extinguishing slit form an inserting part, a plurality of guide gaps are formed on the inserting part along the vertical direction, and when the arc-extinguishing plate is matched with the gas-producing cover, the front end and the rear end of the arc-extinguishing grid sheets are limited by the notch grooves and the guide gaps respectively.
2. The simple assembled arc chute as in claim 1 wherein: the insertion part is provided with a plurality of guide ribs, and guide gaps are formed among the guide ribs.
3. The simple assembled arc chute as in claim 1 wherein: the notch groove is arranged obliquely downwards, and the guide gap is arranged obliquely upwards.
4. The simple assembled arc chute as in claim 1 wherein: the upper side of the insertion part extends upwards to form an arc baffle matched with the opening of the arc baffle.
5. The simple assembled arc chute as in claim 4 wherein: the arc baffle rear side is equipped with the lug of recess, the recess slope upwards sets up.
6. The simple assembled arc chute as in claim 1 wherein: the inner side of the bottom of the gas production cover is provided with a bayonet, and the front end of the flash barrier is correspondingly provided with a clamping block matched with the bayonet.
7. The simple assembled arc chute as in claim 6 wherein: the bayonet and the clamping block are trapezoidal.
8. The simple assembled arc chute as in claim 1 wherein: the connecting plate comprises a top plate arranged at the top of the two side plates and a rear plate arranged at the rear side of the two side plates, and an air outlet is formed between the top plate and the rear plate.
9. The simple assembled arc chute as in claim 1 wherein: and limit grooves are formed in the edges of two sides of the gas production cover, and the limit grooves are matched with the front end faces of the side plates.
10. The simple assembled arc chute as in claim 1 wherein: the arc extinguishing bars are provided with V-shaped arc striking notches, arc striking grooves which are not arranged in the middle are formed in the bottoms of the arc striking notches, and arc striking sides of two adjacent arc extinguishing bars are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827207.0U CN219716700U (en) | 2023-04-14 | 2023-04-14 | Simple assembly type arc extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827207.0U CN219716700U (en) | 2023-04-14 | 2023-04-14 | Simple assembly type arc extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716700U true CN219716700U (en) | 2023-09-19 |
Family
ID=88016077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320827207.0U Active CN219716700U (en) | 2023-04-14 | 2023-04-14 | Simple assembly type arc extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716700U (en) |
-
2023
- 2023-04-14 CN CN202320827207.0U patent/CN219716700U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219716700U (en) | Simple assembly type arc extinguishing chamber | |
| CN102005345B (en) | Arc extinguishing module of molded case low-voltage circuit breaker | |
| CN214411106U (en) | Arc extinguishing system of circuit breaker | |
| CN202796810U (en) | Moulded case circuit breaker arc extinguishing system convenient for assembly and disassembly | |
| CN101320663A (en) | Arc extinguishing chamber for breaker | |
| CN112885659A (en) | Big-opening-distance double-breakpoint circuit breaker | |
| CN109192631B (en) | Arc extinguishing system of circuit breaker and circuit breaker | |
| CN102881536A (en) | Conveniently detached arc-extinguishing system of moulded case circuit breaker | |
| CN206022153U (en) | A kind of arc quenching chamber structure | |
| WO2016115686A1 (en) | Arc extinguish chamber of molded case circuit breaker | |
| CN110047715B (en) | Dissociation eliminating device of molded case circuit breaker and mounting method thereof | |
| CN108512170B (en) | Bus duct joint protection device | |
| CN209896017U (en) | Circuit breaker | |
| CN219226210U (en) | Spliced arc extinguishing system for plastic case circuit breaker | |
| CN220121764U (en) | Arc extinguishing chamber of circuit breaker | |
| CN205582865U (en) | Small -sized circuit breaker and arc extinguishing device thereof | |
| CN107993905B (en) | Circuit breaker | |
| CN210692394U (en) | Arc extinguish chamber with high stability | |
| HU207903B (en) | Interrupter switch | |
| CN111834179A (en) | Arc striking way of circuit breaker | |
| CN214203580U (en) | Terminal cover structure of circuit breaker | |
| CN218160254U (en) | Circuit breaker | |
| CN217822646U (en) | Exhaust arc extinguishing structure of residual current circuit breaker | |
| CN107293458B (en) | Small-sized circuit breaker | |
| CN216928465U (en) | Circuit breaker and arc-isolating plate thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |