CN205621678U - Intelligent molded case circuit breaker - Google Patents
Intelligent molded case circuit breaker Download PDFInfo
- Publication number
- CN205621678U CN205621678U CN201620476215.5U CN201620476215U CN205621678U CN 205621678 U CN205621678 U CN 205621678U CN 201620476215 U CN201620476215 U CN 201620476215U CN 205621678 U CN205621678 U CN 205621678U
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- CN
- China
- Prior art keywords
- circuit breaker
- housing
- upper cover
- case circuit
- access division
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- Expired - Fee Related
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Abstract
The utility model discloses an intelligent molded case circuit breaker, including casing and the upper cover of lid on the casing, surround the first joint portion that is provided with on the upper cover inner wall, surround on the casing outer wall be provided with with joint complex second joint portion of first joint portion, the laminating is in order to seal up the fit -up gap between casing and the upper cover each other on the horizontal direction for first joint portion and second joint portion, and second joint portion and second joint portion are mutual laminating on the horizontal direction to stop up the fit -up gap between upper cover and the casing, thereby improve the sealing performance between casing and the upper cover, avoided leading to the fact the damage of the inside components and parts of circuit breaker in dust or water enters into the circuit breaker from the fit -up gap, improved the sealing performance of circuit breaker.
Description
Technical field
This utility model relates to a kind of circuit protection device, particularly to a kind of intelligent moulded case circuit breaker.
Background technology
Intelligent moulded case circuit breaker, it it is the low-voltage circuit breaker of a kind of domestic, it is referred to as molded case circuit breaker, all of part is all sealed in shell, auxiliary contact, under-voltage release and shunt release etc. use modularity more, existing intelligent moulded case circuit breaker, display screen and electronic operation switch typically all can be provided with on the upper surface of its upper cover, electronic operation switch can be common switch switch or diaphragm type press button, electronic operation switch is used for controlling display screen and shows or for presetting a certain current value range, and other operation like this etc., the operating mechanism of traditional chopper is equipped with operation handle, operation handle is easier to when carrying out reclosing operation skidding.
In order to solve the problems referred to above, in the Chinese patent document that number of patent application is " 200910083179.0 ", describe a kind of intelligent plastic casing break, including plastic feet and upper cover, base is provided with contact mechanism, operating mechanism, tripping mechanism summation current transformer device, the upper surface of upper cover is provided with electronic operation switch and display screen observation window, operating mechanism includes breaking-closing operating hands handle, base and cover body is used to be integrally fixed by three current transformers, have only to during installation be fixed in the mounting seat of mold cased circuit breaker pedestal, during maintenance, lid can be opened, take out each current transformer it is detected, the most convenient in installation and maintenance operating aspect.
But, above-mentioned this intelligent plastic casing break and existing most of intelligent plastic casing break, upper cover and plastic feet are all provided separately, by screw, upper cover installation is fixed on plastic feet, when mounted, if screw is not tightened if putting in place, it is easily caused between upper cover and plastic feet and there is certain fit-up gap, sealing between the two is poor, and dust or the water capacity easily enter into circuit breaker internal from fit-up gap, and the components and parts of circuit breaker internal are caused damage.
Utility model content
The purpose of this utility model is to provide and a kind of improves chopper sealing property, it is to avoid dust or water enter into the intelligent moulded case circuit breaker in chopper from fit-up gap.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of intelligent moulded case circuit breaker, including housing and cover the upper cover on housing, it is surrounded with the first Access Division on described upper cover inwall, being surrounded with on described housing exterior walls and the second Access Division of the first Access Division snap-fit engagement, described first Access Division and the second Access Division are the most bonded to each other to seal up the fit-up gap between housing and upper cover.
By using technique scheme, by the first Access Division and the snap-fit engagement of the second Access Division, upper cover is made to connect and fix on housing, second Access Division and the second Access Division are bonded to each other in the horizontal direction, thus blocked the fit-up gap between upper cover and housing, thus improve the sealing property between housing and upper cover, it is to avoid dust or water enter in chopper from fit-up gap, cause the damage of circuit breaker internal components and parts, improve the sealing property of chopper.
Further, described first Access Division includes that elastic card T-Ring, described second Access Division include and the clamping groove of elastic card T-Ring male-female engagement.
By using technique scheme, elastic card T-Ring and clamping groove are snap-fit engagement, elastic card T-Ring is made up of elastomeric material, there is certain elasticity, facilitate elastic card T-Ring and buckling groove snap-fit engagement or disengaging snap-fit mating relation, make upper cover and housing can repeatedly will not be dismounted by more abrasion in disassembly process, ensure the installation life-span of chopper.
Further, described housing exterior walls is surrounded with the sealing ring fitted with upper cover inwall.
By using the inwall laminating of technique scheme, the outer wall of sealing ring and upper cover, thus the gap between upper cover and housing is further sealed up, thus strengthen the sealing property between upper cover and housing.
Further, the outer wall of described housing is detachably fixed connection and has dropout module.
By using technique scheme, dropout module is arranged on housing exterior walls, and it is to be detachably fixed to be connected with housing exterior walls, in the case of dropout module damage, individually dropout module can be disassembled and be replaced, need not open upper cover just can realize, working to the installation, maintenance of dropout module brings facility.
Further, described dropout module is provided with plug connector, described housing exterior walls is provided with the inserting groove coordinated with plug connector grafting.
By using technique scheme, dropout module is fixed in inserting groove by plug connector grafting, it is achieved thereby that dropout module coordinates with the grafting of housing, the dismounting making dropout module is more convenient, quick.
Further, described plug connector is dovetails, and described inserting groove is the dovetail groove matched with dovetails.
By using technique scheme, after dovetails is inserted into dovetail groove, dovetails is difficult to spin off from dovetail groove, thus improves the fastness that dropout module is plugged on housing.
Further, described housing and dropout module are provided with plug connector is inserted in inserting groove the guiding parts guided.
By using technique scheme, guiding parts serves guide effect in plug connector is inserted into inserting groove, so that plug connector can be corresponding with inserting groove accurately and be inserted in inserting groove, makes grafting cooperation the most time saving and energy saving.
Further, described plug connector is provided with keeper, is provided with in described inserting groove and the locating slot of keeper male-female engagement.
By using technique scheme, plug connector is inserted in inserting groove, and sliding in inserting groove, until sliding onto keeper with locating slot location fit, then explanation plug connector grafting puts in place, thus the situation avoiding plug connector grafting not in place occurs, improve dropout module and the stability of housing grafting cooperation and fastness.
Further, described keeper is spring steel ball.
During by using technique scheme, dropout module and housing grafting to coordinate, spring steel ball can be inserted in locating slot, so that the connection between dropout module and housing is more firm, dropout module is fixed on housing to be not likely to produce and rocks.
Further, described dropout module and housing snap-fit engagement.
By using technique scheme, dropout module clamping is fixed on housing, and the mode connected and fixed facilitates the dismounting of dropout module, makes dismounting work convenient, laborsaving.
In sum, this utility model has the advantages that the 1, second Access Division and the second Access Division are bonded to each other in the horizontal direction, thus the fit-up gap between upper cover and housing is blocked, thus improve the sealing property between housing and upper cover, avoid dust or water and enter in chopper from fit-up gap, cause the damage of circuit breaker internal components and parts, improve the sealing property of chopper；2, after dovetails is inserted into dovetail groove, dovetails is difficult to spin off from dovetail groove, thus improves the fastness that dropout module is plugged on housing；3, dropout module clamping is fixed on housing, and the mode connected and fixed facilitates the dismounting of dropout module, makes dismounting work convenient, laborsaving.
Accompanying drawing explanation
Fig. 1 is the structural representation of intelligent moulded case circuit breaker in embodiment 1；
Fig. 2 is the exploded perspective view one of intelligent moulded case circuit breaker in embodiment 1, for embodying the second Access Division；
Fig. 3 is the exploded perspective view two of intelligent moulded case circuit breaker in embodiment 1, is used for embodying dovetail groove and locating slot；
Fig. 4 is the structural representation of upper cover in embodiment 1, for embodying the first Access Division；
Fig. 5 is the exploded perspective view three of intelligent moulded case circuit breaker in embodiment 1, for embodying the second Access Division.
In figure, 1, housing；2, upper cover；3, dropout module；4, the second Access Division；5, the first Access Division；6, inserting groove；7, gathering sill；8, plug connector；9, keeper；10, lead；11, locating slot；12, sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
nullEmbodiment 1: a kind of intelligent moulded case circuit breaker，Such as Fig. 1、Shown in Fig. 2 and Fig. 5，Including housing 1 and the upper cover 2 covered on housing 1，The first Access Division 5 it is surrounded with on upper cover 2 inwall，First Access Division 5 includes elastic card T-Ring，Elastic card T-Ring is looped around on the medial wall of upper cover 2，In the present embodiment，The vertical sectional shape of elastic card T-Ring is right angled triangle，And the plane at right-angle side place is upward，The i.e. upper surface of elastic card T-Ring is horizontal plane，Elastic card T-Ring is made up of elastomeric material，There is certain elasticity，The second Access Division 4 with elastic card T-Ring snap-fit engagement it is surrounded with on housing 1 outer wall，In the present embodiment，Second Access Division 4 is clamping groove，Clamping groove is opened on the lateral wall of housing 1，And one week, cincture housing 1 lateral wall，Clamping groove is depressed in the lateral wall of housing 1，And the vertical sectional shape of clamping groove is right angled triangle，The upper surface of clamping groove inner wall is horizontal plane，Upper cover 2 covers on housing 1，Elastic card T-Ring is in squeezed state，Along the housing 1 downward sliding of outer wall，When elastic card T-Ring is slid onto clamping groove location，Elastic card T-Ring recovers elastic deformation，Snap fit onto in clamping groove，Thus realize connecting and fixing of upper cover 2 and housing 1，Now，The upper surface of elastic card T-Ring fits with the upper surface of clamping groove inner wall，So that upper cover 2 and housing 1 do not have fit-up gap in the horizontal direction，Coordinated by the sealing of elastic card T-Ring and clamping groove，Improve the sealing between upper cover 2 and housing 1.
As shown in Figure 2, the sealing ring 12 fitted with upper cover 2 inwall it is surrounded with on housing 1 outer wall, in the present embodiment, sealing ring 12 is fastened around on housing 1, sealing ring 12 is made up of elastomeric material, the inwall laminating of the outer wall of sealing ring 12 and upper cover 2, thus the gap between upper cover 2 and housing 1 is further sealed up, thus strengthen the sealing property between upper cover 2 and housing 1.
As shown in Figures 2 and 3, it is detachably fixed connection on the outer wall of housing 1 and has dropout module 3, in the present embodiment, dropout module 3 be shaped as cuboid, plug connector 8 it is provided with in dropout module 3, in the present embodiment, plug connector 8 is dovetails, dovetails is provided with dropout module 3 towards on the surface of housing 1 sidewall, housing 1 is being provided with dovetail groove on the sidewall of dovetails, dovetail groove is that grafting coordinates with dovetails, the upper surface of dovetail groove offers the notch inserted for dovetails, dropout module 3 is when mounted, dovetails is inserted in dovetail groove from the notch of dovetail groove, thus realize dovetails and coordinate with the grafting of dovetail groove, and then make dropout module 3 grafting be fixed on housing 1；
nullIt is provided with on housing 1 and dropout module 3 and dovetails is inserted in dovetail groove the guiding parts guided，In the present embodiment，Guiding parts includes arranging the gathering sill 7 on housing 1 outer wall、It is arranged on the lead 10 on dropout module 3 outer wall，Lead 10 be shaped as strip，The notch of gathering sill 7 is wide at the top and narrow at the bottom trapezoidal，The i.e. inwall of notch is the spigot surface tilted，When carrying out grafting and coordinating，The lower end of lead 10 and guide face contacts，Lead 10 slides in gathering sill 7 along spigot surface，Lead 10 is directed at gathering sill 7 after being guided by spigot surface，Simultaneously，Dovetail groove and dovetails have been also carried out alignment，While lead 10 is slid onto in gathering sill 7，Dovetails slides in dovetail groove the most accurately，By lead 10 and the cooperation of gathering sill 7，The effect of guiding is played in dovetails is inserted into dovetail groove；
As shown in Figure 2, dovetails is provided with keeper 9 towards the both sides of dovetail groove inwall, in the present embodiment, keeper 9 is spring steel ball, inserting groove 6 is being provided with locating slot 11 on the both sides inwall of dovetails, locating slot 11 is depressed in the inwall of inserting groove 6, dovetails is inserted in dovetail groove, after the contact internal walls of spring steel ball and dovetail groove, keep the state compressed, when spring steel ball is slid onto relative with locating slot 11 in dovetail groove, spring steel ball recovers elastic deformation, enter in locating slot 11, male-female engagement by locating slot 11 with spring steel ball, spring steel ball is made to be fixed in locating slot 11, thus realize the location fit of dovetails and dovetail groove.
Embodiment 2: a kind of intelligent moulded case circuit breaker, difference from Example 1 is, dropout module and housing are snap-fit engagement, in the present embodiment, dropout module protrudes from the flexible clamping block of dropout module side towards being provided with on the side of housing exterior walls, housing exterior walls offers blocked hole, flexible clamping block and blocked hole are snap-fit engagement, when installing dropout module, in entering into blocked hole by flexible clamping block and with blocked hole snap-fit engagement, so that dropout module clamping is fixed on housing, dropout module and housing is made to realize being detachably fixed connection.
Claims (10)
1. an intelligent moulded case circuit breaker, including housing (1) and the upper cover (2) that covers on housing (1), it is characterized in that: on described upper cover (2) inwall, be surrounded with the first Access Division (5), being surrounded with the second Access Division (4) with the first Access Division (5) snap-fit engagement on described housing (1) outer wall, described first Access Division (5) and the second Access Division (4) are the most bonded to each other to seal up the fit-up gap between housing (1) and upper cover (2).
Intelligent moulded case circuit breaker the most according to claim 1, it is characterised in that: described first Access Division (5) includes that elastic card T-Ring, described second Access Division (4) include and the clamping groove of elastic card T-Ring male-female engagement.
Intelligent moulded case circuit breaker the most according to claim 1, it is characterised in that: it is surrounded with the sealing ring (12) fitted with upper cover (2) inwall on described housing (1) outer wall.
Intelligent moulded case circuit breaker the most according to claim 1, it is characterised in that: being detachably fixed connection on the outer wall of described housing (1) has dropout module (3).
Intelligent moulded case circuit breaker the most according to claim 4, it is characterized in that: on described dropout module (3), be provided with plug connector (8), described housing (1) outer wall is provided with the inserting groove (6) coordinated with plug connector (8) grafting.
Intelligent moulded case circuit breaker the most according to claim 5, it is characterised in that: described plug connector (8) is dovetails, and described inserting groove (6) is the dovetail groove matched with dovetails.
Intelligent moulded case circuit breaker the most according to claim 5, it is characterised in that: it is provided with in plug connector (8) is inserted into inserting groove (6) guiding parts guided on described housing (1) and dropout module (3).
Intelligent moulded case circuit breaker the most according to claim 5, it is characterized in that: on described plug connector (8), be provided with keeper (9), in described inserting groove (6), be provided with the locating slot (11) with keeper (9) male-female engagement.
Intelligent moulded case circuit breaker the most according to claim 8, it is characterised in that: described keeper (9) is spring steel ball.
Intelligent moulded case circuit breaker the most according to claim 4, it is characterised in that: described dropout module (3) and housing (1) snap-fit engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476215.5U CN205621678U (en) | 2016-05-24 | 2016-05-24 | Intelligent molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476215.5U CN205621678U (en) | 2016-05-24 | 2016-05-24 | Intelligent molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205621678U true CN205621678U (en) | 2016-10-05 |
Family
ID=57023468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620476215.5U Expired - Fee Related CN205621678U (en) | 2016-05-24 | 2016-05-24 | Intelligent molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205621678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449058A (en) * | 2018-12-17 | 2019-03-08 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker for preventing to dismount privately |
| CN109637902A (en) * | 2018-12-17 | 2019-04-16 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker |
-
2016
- 2016-05-24 CN CN201620476215.5U patent/CN205621678U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449058A (en) * | 2018-12-17 | 2019-03-08 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker for preventing to dismount privately |
| CN109637902A (en) * | 2018-12-17 | 2019-04-16 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker |
| CN109449058B (en) * | 2018-12-17 | 2024-01-23 | 嘉兴市加控电气设备制造有限公司 | Breaker shell capable of preventing private disassembly and assembly |
| CN109637902B (en) * | 2018-12-17 | 2024-02-23 | 嘉兴市加控电气设备制造有限公司 | Circuit breaker shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20180524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |