CN208045430U - The grate flow channel structure of breaker of plastic casing - Google Patents
The grate flow channel structure of breaker of plastic casing Download PDFInfo
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- CN208045430U CN208045430U CN201820346547.0U CN201820346547U CN208045430U CN 208045430 U CN208045430 U CN 208045430U CN 201820346547 U CN201820346547 U CN 201820346547U CN 208045430 U CN208045430 U CN 208045430U
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- upper cover
- flow channel
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- breaker
- cover
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Abstract
A kind of grate flow channel structure of breaker of plastic casing, including the middle cover being mounted on the base and the upper cover being installed at the top of middle cover；The junction of the middle cover and upper cover is equipped with the grate flow channel of the gas discharge for generating circuit breaker internal contact system.The grate flow channel of the gas discharge for generating circuit breaker internal contact system is arranged in the junction of middle cover and upper cover in the grate flow channel structure of the utility model breaker of plastic casing, hot gas is quickly discharged, product is avoided to burn phenomenon, simple and compact for structure, performance safety is stablized.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to the grate flow channel structure of a kind of breaker of plastic casing.
Background technology
High breaking product occurs often in progress disjunction experiment since air pressure is excessive in product cavity at present, and air pressure can not
Quickly discharge, causes outer housing to burst phenomenon, seriously threatens personal safety.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of simple and compact for structure, performance safety
Stablize, the grate flow channel structure for the breaker of plastic casing that interiors of products hot gas is quickly discharged.
To achieve the above object, the utility model uses following technical solution：
A kind of grate flow channel structure of breaker of plastic casing, including the middle cover 1 that is mounted on the base and it is installed on 1 top of middle cover
Upper cover 2；The junction of the middle cover 1 and upper cover 2 is equipped with the gas discharge for generating circuit breaker internal contact system
Grate flow channel 3.
Further, the both ends of the middle cover 1 are equipped with installs shell 12 with the connecting terminal of connecting terminal installation cooperation, described
The top center of middle cover 1 is equipped with the first installation base 11 with the installation cooperation of upper cover 2,2 one end open of upper cover, the opening of upper cover 2 one
End coordinates with the installation of the first installation base 11, and the middle part of middle cover 1 is equipped with the handle installing hole 105 for installing handle.
Further, the grate flow channel 3 is located at breaker contact system side, and grate flow channel 3 includes being set to 1 top of middle cover
First exhaust structure 101 and second exhaust structure corresponding with first exhaust structure 101 201 set on 2 side wall of upper cover.
Further, the first exhaust structure 101 is set on the first installation base 11 of middle cover 1, and the first row is depressed
Structure 101 includes the middle cover gas vent 101a for being set to 11 side wall of the first installation base perforation middle cover 1 and being arranged, second exhaust structure 201
Including being set to 2 side wall of upper cover upper cover gas vent corresponding with middle cover gas vent.
Further, the first exhaust structure 101 further includes the expansion slot that middle cover gas vent 101a is extended outward
The width of 101b, expansion slot 101b are more than the width of middle cover gas vent 101a, are surrounded between expansion slot 101b and the side wall of upper cover 2
One diffusion cavity for gas discharge.
Further, the upper cover gas vent is the gap slot of the side wall lower ends set on upper cover 2.
Further, the middle part protrusion of first installation base 11 is equipped with handle installation base 15, and upper cover 2 is equipped with and hand
The boss mounting hole 206 of the installation cooperation of handle installation base 15, handle installing hole 105 are set on handle installation base 15.
Further, the both sides of the middle cover 1 are equipped with the installation edge 107 with the installation cooperation of upper cover 2, installation edge 107
Width is equal to the thickness of 2 side wall of upper cover.
Further, it is connected by screw between the upper cover 2 and middle cover 1, the edges at two ends of first installation base 11
Place is equipped with the first screw mounting hole 118 with the installation cooperation of upper cover 2, and upper cover 2 is equipped with corresponding with the first screw mounting hole 118
Second screw mounting hole 208；The upper cover 2 is snapped connection with middle cover 1, and the both sides side wall of upper cover 2, which extends downwardly, to be equipped with and middle cover 1
The buckle hook 25 of installation cooperation, the both sides side wall of middle cover 1 are equipped with the snap-in groove 19 with the 25 installation cooperation of buckle hook.
Further, the top protrusion of the upper cover 2 is equipped with the second installation base 21, and the boss mounting hole 206 is set to the
On two installation bases 21, the both ends side wall of the second installation base 21 is equipped with the half slot 207 for avoiding screw.
The grate flow channel structure of the utility model breaker of plastic casing is arranged in the junction of middle cover and upper cover for will be breaking
The grate flow channel for the gas discharge that device inside contact system generates so that hot gas can quickly be discharged, and product is avoided to burn
Phenomenon, simple and compact for structure, performance safety is stablized.Grate flow channel includes the first exhaust structure being set at the top of middle cover and is set to upper
The second exhaust structure corresponding with first exhaust structure of lid side wall, grate flow channel are set to the contact system one for generating hot gas
Grate flow channel is collectively formed in the second exhaust structure of side, middle cover top first exhaust structure and upper cover side wall, easy to process.Middle cover
Gas vent and upper cover gas vent are oppositely arranged and collectively form grate flow channel so that hot gas is quickly discharged, simple in structure, processing
It is convenient.First exhaust structure setting expansion slot, and an expansion for gas discharge is surrounded between expansion slot and the side wall of upper cover
Dissipate cavity, the volume of expansion slot increase diffusion cavity so that circuit breaker internal gas can quickly be discharged, and quickly reduce in product
Portion's temperature.Upper cover gas vent is the gap slot of the side wall lower ends set on upper cover.
Description of the drawings
Fig. 1 is the utility model middle cover and upper cover mounting structure schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model middle cover；
Fig. 3 is that the utility model grate flow channel formation gases flow to schematic diagram.
Specific implementation mode
Below in conjunction with the embodiment that attached drawing 1 to 3 provides, the exhaust stream of the breaker of plastic casing of the utility model is further illustrated
The specific implementation mode of road structure.The grate flow channel structure of the breaker of plastic casing of the utility model is not limited to retouching for following embodiment
It states.
As shown in Figs. 1-2, the utility model illustrates the technical solution of the utility model by taking three pole breaker of plastic casing as an example, shows
So or the breaker of more multipole, the grate flow channel structure of the utility model can be used on other similar electric appliances,
Such as contactor.
As shown in Figs. 1-2, the both ends of the middle cover 1 are equipped with installs shell with the connecting terminal of connecting terminal installation cooperation
12, the top center of the middle cover 1 is equipped with the first installation base 11 with the installation cooperation of upper cover 2,2 one end open of upper cover, upper cover 2
Open at one end and the installation of the first installation base 11 coordinate, and the middle part of middle cover 1 is equipped with the handle installing hole 105 for installing handle.
Upper cover 2 is installed on the first installation base 11, and the mounting structure of upper cover 2 is solid and reliable, and the handle installing hole 105 of middle cover 1 is installed
Outside, the operation connection of the other end and enclosure interior are stretched in one end of handle, handle.
As shown in Figs. 1-2, the middle part protrusion of first installation base 11 is equipped with handle installation base 15, is set in upper cover 2
There are the boss mounting hole 206 with the installation cooperation of handle installation base 15, handle installing hole 105 to be set on handle installation base 15.
When installation, the handle installation base 15 of middle cover 1 is stretched out from the boss mounting hole 206 of upper cover 2, and the fixed work of limit is played to upper cover 2
With further increasing the stability of 2 mounting structure of upper cover.
As shown in Figs. 1-2, the grate flow channel structure of the utility model breaker of plastic casing, including the middle cover that is mounted on the base
1 and it is installed on the upper cover 2 at the top of middle cover 1；The junction of the middle cover 1 and upper cover 2 is equipped with for by circuit breaker internal contact system
The grate flow channel 3 for the gas discharge that system generates.The grate flow channel structure of the utility model breaker of plastic casing is in middle cover and upper cover
The grate flow channel of the gas discharge for generating circuit breaker internal contact system is arranged in junction so that hot gas can be fast
Speed discharge, avoids product from burning phenomenon, simple and compact for structure, and performance safety is stablized.
As shown in Figs. 1-2, grate flow channel 3 described in the utility model is set to the junction of middle cover 1 and/or upper cover 2, exhaust stream
Road 3 is located at breaker contact system side, and grate flow channel 3 includes being set to the first exhaust structure 101 at 1 top of middle cover and set on upper
The second exhaust structure 201 corresponding with first exhaust structure 101 of 2 side wall of lid, grate flow channel 3, which is set to, generates touching for hot gas
Grate flow channel is collectively formed in the second exhaust structure of the side of head system, middle cover top first exhaust structure and upper cover side wall, easily
In processing.Particularly, second exhaust structure 201 can also be set to the side wall of the middle cover of 2 junction of middle cover 1 and upper cover.
As shown in Figs. 1-2, the specific embodiment of first exhaust structure and second exhaust structure.The first exhaust structure
101 are set on the first installation base 11, and the first exhaust structure 101 includes being set to 11 side wall of the first installation base to penetrate through middle cover
The middle cover gas vent 101a of 1 setting, second exhaust structure 201 include being set to 2 side wall of upper cover upper cover corresponding with middle cover gas vent
Gas vent.Middle cover gas vent and upper cover gas vent are oppositely arranged and collectively form grate flow channel so that hot gas is quickly discharged, knot
Structure is simple, easy to process.The first exhaust structure 101 further includes the expansion slot that middle cover gas vent 101a is extended outward
The width of 101b, expansion slot 101b are more than the width of middle cover gas vent 101a, are surrounded between expansion slot 101b and the side wall of upper cover 2
One diffusion cavity for gas discharge.First exhaust structure setting expansion slot 101b, and the side of expansion slot 101b and upper cover 2
A diffusion cavity for gas discharge, the volume of expansion slot increase diffusion cavity so that circuit breaker internal are surrounded between wall
Gas can quickly be discharged, and quickly reduce product internal temperature.First exhaust structure 1 can be individual through-hole structure.Specifically
Ground, the upper cover gas vent are the gap slot of the side wall lower ends set on upper cover 2.It can be set on 2 side of upper cover that upper cover gas vent, which has,
The through-hole structure of wall.
As shown in figure 3, direction shown in arrow is the flow graph of circuit breaker internal hot gas discharge, gas is arranged by middle cover
Stomata 101a is arranged into expansion slot 101b, then is discharged from the upper cover gas vent of 2 side wall of upper cover by expansion slot 101b, is effectively reduced
Circuit breaker internal Wen Sheng.
As shown in Figs. 1-2, the mounting structure of middle cover 1 and upper cover 2.It is connected by screw between the upper cover 2 and middle cover 1,
The first screw mounting hole 118 with the installation cooperation of upper cover 2 is equipped at the edges at two ends of first installation base 11, in upper cover 2
Equipped with second screw mounting hole corresponding with the first screw mounting hole 118 208.Particularly, the top protrusion of the upper cover 2 is equipped with
Second installation base 21, the boss mounting hole 206 are set on the second installation base 21, the both ends side wall of the second installation base 21
Equipped with the half slot 207 for avoiding screw.Middle cover 1 and upper cover 2 pass through the second screw mounting hole 208 of upper cover 2 and middle cover 1
First screw mounting hole 118 is connected using screw, and stabilized structure is reliable.Half slot 207 plays receiving for avoiding screw
The effect of the nut of screw prevents from getting an electric shock.
As shown in Figs. 1-2, the upper cover 2 is snapped connection with middle cover 1.The both sides side wall of upper cover 2 is extended downwardly equipped with in
The buckle hook 25 of the installation cooperation of lid 1, the both sides side wall of middle cover 1 are equipped with the snap-in groove 19 with the 25 installation cooperation of buckle hook.
Simultaneously using snapping connection, quick and convenient, stabilized structure is installed in buckle hook 25 and the cooperation of snap-in groove 19 for upper cover 2 and middle cover 1.
It snaps connection and connects cooperation with screw, the mounting structure of middle cover 1 and upper cover 2 is solid and reliable.
As shown in Figs. 1-2, the both sides of the middle cover 1 are equipped with the installation edge 107 with the installation cooperation of upper cover 2, install edge
107 width is equal to the thickness of 2 side wall of upper cover.It is installed for the installation cooperation of upper cover 2 at the installation edge 107 of the both sides of middle cover 1
The width at edge 107 is equal to the thickness of 2 side wall of upper cover so that and middle cover 1 and the both sides lateral wall of upper cover 2 are in approximately the same plane,
Compact-sized beauty.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of grate flow channel structure of breaker of plastic casing, it is characterised in that：Including the middle cover (1) being mounted on the base and installation
Upper cover (2) at the top of middle cover (1)；The junction of the middle cover (1) and upper cover (2) is equipped with for by circuit breaker internal contact system
The grate flow channel (3) for the gas discharge that system generates.
2. the grate flow channel structure of breaker of plastic casing according to claim 1, it is characterised in that：The two of the middle cover (1)
End is equipped with the connecting terminal installation shell (12) with connecting terminal installation cooperation, the top center of the middle cover (1) be equipped with it is upper
Cover the first installation base (11) of (2) installation cooperation, upper cover (2) one end open, upper cover (2) open at one end and the first installation base
(11) installation cooperation, the middle part of middle cover (1) are equipped with the handle installing hole (105) for installing handle.
3. the grate flow channel structure of breaker of plastic casing according to claim 1 or 2, it is characterised in that：The grate flow channel
(3) be located at breaker contact system side, grate flow channel (3) include first exhaust structure (101) at the top of the middle cover (1) and
Set on the second exhaust structure (201) corresponding with first exhaust structure (101) of upper cover (2) side wall.
4. the grate flow channel structure of breaker of plastic casing according to claim 3, it is characterised in that：The first exhaust structure
(101) it is set on the first installation base (11) of middle cover (1), the first exhaust structure (101) includes convex set on the first installation
Platform (11) side wall penetrates through the middle cover gas vent (101a) that middle cover (1) is arranged, and second exhaust structure (201) includes being set to upper cover (2)
Side wall upper cover gas vent corresponding with middle cover gas vent.
5. the grate flow channel structure of breaker of plastic casing according to claim 4, it is characterised in that：The first exhaust structure
(101) further include middle cover gas vent (101a) expansion slot (101b) extended outward, the width of expansion slot (101b) is big
One is surrounded between the width of middle cover gas vent (101a), expansion slot (101b) and the side wall of upper cover (2) to be discharged for gas
Diffusion cavity.
6. the grate flow channel structure of breaker of plastic casing according to claim 4, it is characterised in that：The upper cover gas vent is
Set on the gap slot of the side wall lower ends of upper cover (2).
7. the grate flow channel structure of breaker of plastic casing according to claim 4, it is characterised in that：First installation base
(11) middle part protrusion is equipped with handle installation base (15), and upper cover (2) is equipped with and handle installation base (15) installation cooperation
Boss mounting hole (206), handle installing hole (105) are set on handle installation base (15).
8. the grate flow channel structure of breaker of plastic casing according to claim 2, it is characterised in that：The two of the middle cover (1)
Side is equipped with the installation edge (107) with upper cover (2) installation cooperation, and the width of installation edge (107) is equal to the thickness of upper cover (2) side wall
Degree.
9. the grate flow channel structure of breaker of plastic casing according to claim 2, it is characterised in that：The upper cover (2) and in
It is connected by screw, is equipped at the edges at two ends of first installation base (11) and upper cover (2) installation cooperation between lid (1)
First screw mounting hole (118), upper cover (2) are equipped with the second screw mounting hole corresponding with the first screw mounting hole (118)
(208)；The upper cover (2) snaps connection with middle cover (1), and the both sides side wall of upper cover (2) is extended downwardly to be equipped with and be installed with middle cover (1)
The buckle hook (25) of cooperation, the both sides side wall of middle cover (1) are equipped with the snap-in groove (19) with buckle hook (25) installation cooperation.
10. the grate flow channel structure of breaker of plastic casing according to claim 7, it is characterised in that：The top of the upper cover (2)
Portion's protrusion is equipped with the second installation base (21), and the boss mounting hole (206) is set on the second installation base (21), the second installation
The both ends side wall of boss (21) is equipped with the half slot (207) for avoiding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346547.0U CN208045430U (en) | 2018-03-14 | 2018-03-14 | The grate flow channel structure of breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346547.0U CN208045430U (en) | 2018-03-14 | 2018-03-14 | The grate flow channel structure of breaker of plastic casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045430U true CN208045430U (en) | 2018-11-02 |
Family
ID=63947469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820346547.0U Active CN208045430U (en) | 2018-03-14 | 2018-03-14 | The grate flow channel structure of breaker of plastic casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992614A (en) * | 2019-12-12 | 2021-06-18 | 北京京人电器有限公司 | Circuit breaker |
-
2018
- 2018-03-14 CN CN201820346547.0U patent/CN208045430U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992614A (en) * | 2019-12-12 | 2021-06-18 | 北京京人电器有限公司 | Circuit breaker |
| CN112992614B (en) * | 2019-12-12 | 2023-02-03 | 北京京人电器有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Assignor: SHANGHAI NOARK ELECTRIC Co.,Ltd. Contract record no.: X2021330000593 Denomination of utility model: Exhaust passage structure of molded case circuit breaker Granted publication date: 20181102 License type: Common License Record date: 20211025 |
|
| EE01 | Entry into force of recordation of patent licensing contract |