CN109637902A - A kind of case for circuit breaker - Google Patents
A kind of case for circuit breaker Download PDFInfo
- Publication number
- CN109637902A CN109637902A CN201811544843.2A CN201811544843A CN109637902A CN 109637902 A CN109637902 A CN 109637902A CN 201811544843 A CN201811544843 A CN 201811544843A CN 109637902 A CN109637902 A CN 109637902A
- Authority
- CN
- China
- Prior art keywords
- buckle
- case
- circuit breaker
- cavity
- upper cover
- 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.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 206010058109 Hangnail Diseases 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a kind of case for circuit breaker, belong to technical field of electric appliances, technical essential is, including bottom case and upper cover, the bottom case snaps connection mode with upper cover use and connects, cavity is provided on the upper lid, cavity bottom side has opening, top has injecting hole, buckle is set on upper lid, and for the buckle across being open and making in top insertion cavity, the top of the buckle is greater than the protrusion of opening bore with section, it can be bonded with cavity bottom on the downside of the protrusion, the button bit for being provided with and being clasped on bottom case.Using the breaker of case for circuit breaker of the invention, after assembling, cannot arbitrarily dismantle, secondary assembly difficulty is big after disassembly, it is ensured that structure is not altered this product in use, it is ensured that product using safe.And the assembly period in breaker production process of the present invention is relatively shortened, and production efficiency is improved.
Description
Technical field
The invention belongs to technical field of electric appliances, concretely relate to a kind of case for circuit breaker.
Background technique
Breaker is the abbreviation of moulded case circuit breaker, and case for circuit breaker is made of upper housing and lower case, existing skill
Case for circuit breaker in art generally uses screw connection mode to connect upper housing with lower case.
Breaker can close, carries and cut-off the electric current under normal loop condition and can close, and being can be defined
The switching device of the electric current under abnormal loop condition is carried and cut-off in time.The implementations such as power circuit and electrical appliance can be protected
Shield, can automatic shutdown circuit when serious overload or short circuit and the failures such as under-voltage occurs in they.
To ensure using safe, breaker manufacturer is generally not allowed anyone to dismount breaker, change open circuit privately
Device structure, it is ensured that the performance of produced circuit breaker in use.
Summary of the invention
The object of the present invention is to provide a kind of case for circuit breaker, for preventing breaker private after producing and putting goods on the market
Insecurity factor is brought from dismounting, and is improved by structure to improve assembling work efficiency.
In order to solve the above technical problems, the object of the present invention is achieved like this:
A kind of case for circuit breaker, including bottom case and upper cover, the bottom case and upper cover use snap connection mode and connect, described
Cavity is provided on upper lid, cavity bottom has opening, and top has injecting hole, and buckle is arranged on upper lid, and the buckle is worn
It crosses and is open and makes in top insertion cavity, there is section to be greater than the protrusion of opening bore on the top of the buckle, set on bottom case
The button bit for being equipped with and being clasped, when buckle is engaged with button bit, protrusion compresses the bottom of cavity.
Preferred embodiment on the basis of above scheme and as above scheme: the injecting hole faces protrusion setting.
Preferred embodiment on the basis of above scheme and as above scheme: it is arranged on protrusion around protrusion side
Ring type seal, and make ring type seal and cavity inner wall palette.
Preferred embodiment on the basis of above scheme and as above scheme: on the downside of the protrusion between cavity bottom
It is provided with elastomeric pad.
Preferred embodiment on the basis of above scheme and as above scheme: the elastomer gasket construction has for centre
The sheet of perforation.
Preferred embodiment on the basis of above scheme and as above scheme: the elastomeric pad is rubber material.
Preferred embodiment on the basis of above scheme and as above scheme: the buckle is lower end tool barbed the
One buckle, and the grooving engaged with hangnail is provided on bottom case.
Preferred embodiment on the basis of above scheme and as above scheme: there are two first buckle lower end settings
The opposite hangnail in position.
Preferred embodiment on the basis of above scheme and as above scheme: the buckle is that lower end has snap ring
The second buckle, and the lug engaged with snap ring is provided on bottom case.
Preferred embodiment on the basis of above scheme and as above scheme: on the upper lid simultaneously be provided with it is several under
Barbed first buckle of end tool and several lower ends have the second buckle of snap ring, and are correspondingly provided on bottom case and hangnail
The grooving of engagement and the lug engaged with snap ring.
Preferred embodiment on the basis of above scheme and as above scheme: first buckle is arranged in upper cover
Between regional location, it is described second buckle be distributed in upper cover two sides border area.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
Case for circuit breaker of the invention connects bottom case and upper cover in the way of snapping connection, when assembly, using being connected to gas source
Tool air-flow is injected into cavity from gas injection hole site, make to possess in cavity in a flash compared with strong gas pressure and to be close to protrusion empty
Bottom of chamber portion and have retentivity, push upper cover and take advantage of a situation will buckle indentation bottom case on button bit and engage, realization pass through card
Detain connection type connection bottom case and upper cover.
Case for circuit breaker of the invention is to be connected by a snap mode to connect, and when assembly only needs for bottom case and upper cover to be aligned
And press all over being linked and packed for bottom case and upper cover is completed, it does not need to need rotation screw one by one as assembling other breakers
To connect bottom case and upper cover, the assembly efficiency of bottom case and upper cover cooperation is improved, the assembly period of breaker entirety is shortened, is improved
The assembling work efficiency of breaker.
Case for circuit breaker of the invention, the buckle for being used to connect is retrorsely aculeate first buckle in lower end, and is provided with
The opposite hangnail in two positions, while on bottom case corresponding grooving is set as the button bit with the first snap engagement, it is such
Connection be it is irreversible, further prevent this breaker to be dismantled privately.
In conclusion after assembling, cannot arbitrarily be dismantled using the breaker of case for circuit breaker of the invention, dismantle
Secondary assembly difficulty is big later, it is ensured that structure is not altered this product in use, it is ensured that product using safe.And
Assembly period in breaker production process of the present invention is relatively shortened, and production efficiency is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of case for circuit breaker of the invention；
Fig. 2 is bottom case schematic diagram of the invention；
Fig. 3 is upper cover schematic diagram of the invention；
Fig. 4 is the upper cover schematic diagram for being provided with buckle of the invention；
Fig. 5 is the second buckle structure schematic diagram of the invention；
Fig. 6 is the first buckle structure schematic diagram of the invention；
Fig. 7 is the portion A enlarged drawing of the invention.
In figure: 1- bottom case, 2- upper cover, 3- cavity, 4- opening, 5- injecting hole, the protrusion 6-, 7- elastomeric pad, 8- hangnail, 9-
First buckle, 10- grooving, 11- second buckle, 12- lug, 13- snap ring, 14- sealing ring.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the attached drawing in embodiment, to reality
The technical solution applied in example is clearly and completely described, it is clear that described embodiment is only that the application a part is implemented
Example, rather than whole embodiments.Based on the embodiment provided, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall in the protection scope of this application.
In the description of the present application, it is to be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description the application and simplifies description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of application.
In the description of the present application, term " first ", " second " etc. are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.
Refering to fig. 1-7, the invention discloses a kind of case for circuit breaker, including bottom case 1 and upper cover 2, the bottom case 1 and upper cover
2 uses snap connection mode and connect, and cavity 3 is provided in the upper cover 2, and 3 bottom of cavity has opening 4, and top has gas injection
Buckle is arranged in hole 5 in upper cover 2, and the buckle is across opening 4 and makes in top insertion cavity 3, and the top of the buckle has
Section is greater than the protrusion 6 of 4 bores of opening, and the button bit for being provided with and being clasped on bottom case 1 is convex when buckle is engaged with button bit
It is close to and compresses the bottom of cavity 3 in portion 6.
Case for circuit breaker of the invention connects bottom case 1 and upper cover 2 in the way of snapping connection, when assembly, using being connected to gas
The tools such as the air gun in source or the air nozzle being specially arranged inject air-flow into cavity 3 from 5 position of injecting hole, make cavity 3 in a flash
Inside possess compared with strong gas pressure and so that protrusion 6 is close to 3 bottom of cavity and there is retentivity, pushes upper cover 2 and take advantage of a situation that buckle is pressed into bottom
Button bit on shell 1 simultaneously engages, and realization is connected by a snap mode and connects bottom case 1 and upper cover 2.After cavity 3 is by discharge, card
Button does not have the secondary condition for being caught in button bit, avoids other people from carrying out the breaker for using case for circuit breaker of the present invention to reach
The operation behaviour of non-our factory's profession assembly.
The injecting hole 5 is further faced protrusion 6 to be arranged.Exist conducive to the gas entered in cavity 3 from injecting hole 5
Moment causes the effect of pushing to protrusion 6, conducive to the retentivity that 3 bottom of cavity is close in protrusion 6 is formed.
Force in protrusion 6 to be conducive to injection air-flow in assembly, can reduce as much as possible protrusion 6 and 3 side wall of cavity it
Between gap.And further, it is quickly and conveniently assembled to realize, reduces air pressure and the stream for injecting air-flow from injecting hole 5
The ring type seal 14 around 6 side of protrusion is arranged on protrusion 6, and makes in ring type seal 14 and cavity 3 for the requirement of amount condition
Wall palette, under such situation, the gas of injection cavity 3 can be maintained to No leakage in cavity 3 and press
In protrusion 6, make protrusion 6 that there is the retentivity of stronger fitting and 3 bottom of cavity.
When sealing ring 14 is set, annular groove can be opened up in 6 side of protrusion, sealing ring 14 is just then set in annular
In groove.
Elastomeric pad 7 further is set between 6 downside of protrusion and 3 bottom of cavity, elastomeric pad 7 has buckle
There is a reversed pulling force, can remain close connection with bottom case 1 and upper cover 2.And 7 structure of elastomeric pad is set for intermediate tool
There is the sheet of perforation, be supported between 3 bottom of protrusion 6 and cavity in favor of elastomeric pad 7 and be close to protrusion 6 and cavity 3 respectively
Bottom.If it is cricoid elastomeric pad 7, then may occur sideslip in the heart of any further constraint, be detached from protrusion 6
With 3 bottom of cavity.
The making material for using rubber material as elastomeric pad 7 is further selected, the durability and elasticity of rubber are more
The stable connection between bottom case 1 and upper cover 2 is kept in the case where being used for a long time environment conducive to case for circuit breaker of the invention, it will not be due to
7 aged deterioration of elastomeric pad leads to the presence of installation gap between bottom case 1 and upper cover 2.
Mode is snapped connection as one kind of the invention, the buckle is the first buckle 9 that lower end has hangnail 8, and
The grooving 10 engaged with hangnail 8 is provided on bottom case 1, the grooving 10 buckles 9 buttons engaged as with first, and again into one
Step ground, first buckle, 9 lower ends setting there are two the opposite hangnail 8 in position, such connection be it is irreversible, further prevent
Only this breaker is dismantled privately.
Mode is snapped connection as another of the invention, the buckle is the second card that lower end has snap ring 13
Button 11, and the lug 12 engaged with snap ring 13 is provided on bottom case 1, lug 12 engages connection with the second buckle 11 as detent
Bottom case 1 and upper cover 2.
Mode is snapped connection as another of the invention, the buckle includes the first card that several lower ends have hangnail 8
Button 9 and several lower ends have the second buckle 11 of snap ring 13, and the grooving engaged with hangnail 8 is correspondingly provided on bottom case 1
10 and the lug 12 that is engaged with snap ring 13.
Further, the intermediate region position of upper cover 2 is arranged in first buckle 9, and second buckle 11 is distributed in
2 two sides border area of upper cover.First buckle 9 with the connection of grooving 10 be it is irreversible, can be conducive to preventing this breaker
It is dismantled privately, since the first buckle 9 is relatively large with the connection connection structure space hold position of grooving 10, and the second buckle
The 11 structure space engaged positions that connect with lug 12 are smaller, the intermediate region position of the upper cover 2, and buckle 11 points for second
It is distributed in 2 two sides border area of upper cover, the case for circuit breaker of such setting is guaranteeing to connect reliably simultaneously, is conducive to present invention open circuit
The production of device shell.
It using the breaker of case for circuit breaker of the invention, after assembling, cannot arbitrarily dismantle, secondary dress after disassembly
It is big with difficulty, it is ensured that structure is not altered this product in use, it is ensured that product using safe.And open circuit of the invention
Assembly period in device production process is relatively shortened, and production efficiency is improved.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (10)
1. a kind of case for circuit breaker, including bottom case (1) and upper cover (2), the bottom case (1) and upper cover (2) use the side of snapping connection
Formula connection, it is characterised in that: be provided with cavity (3) on the upper cover (2), cavity (3) bottom has opening (4), and top has
Buckle is arranged in injecting hole (5) on upper cover (2), and the buckle is across opening (4) and makes in top insertion cavity (3), the card
The protrusion (6) that there is section to be greater than opening (4) bore on the top of button, the button bit for being provided with and being clasped on bottom case (1), when
Protrusion (6) compress the bottom of cavity (3) when buckle is engaged with button bit.
2. case for circuit breaker according to claim 1, it is characterised in that: the injecting hole (5) faces protrusion (6) and sets
It sets.
3. case for circuit breaker according to claim 1, it is characterised in that: be arranged on protrusion (6) around protrusion (6) side
Ring type seal (14), and make ring type seal (14) and cavity (3) inner wall palette.
4. case for circuit breaker according to claim 1, it is characterised in that: on the downside of the protrusion (6) with cavity (3) bottom it
Between be provided with elastomeric pad (7).
5. case for circuit breaker according to claim 4, it is characterised in that: elastomeric pad (7) structure has for centre
The sheet of perforation.
6. case for circuit breaker according to claim 1, it is characterised in that: the buckle be lower end have hangnail (8) the
One buckle (9), and the grooving (10) engaged with hangnail (8) is provided on bottom case (1).
7. case for circuit breaker according to claim 6, it is characterised in that: there are two first buckle (9) lower end settings
The opposite hangnail in position (8).
8. case for circuit breaker according to claim 1, it is characterised in that: the buckle is that lower end has snap ring (13)
The second buckle (11), and the lug (12) engaged with snap ring (13) is provided on bottom case (1).
9. case for circuit breaker according to claim 1, it is characterised in that: the buckle includes that several lower ends have hangnail
(8) the first buckle (9) and several lower ends has second buckle (11) of snap ring (13), and is correspondingly arranged on bottom case (1)
The lug (12) for having the grooving (10) engaged with hangnail (8) and being engaged with snap ring (13).
10. case for circuit breaker according to claim 9, it is characterised in that: first buckle (9) is arranged in upper cover (2)
Intermediate region position, it is described second buckle (11) is distributed in upper cover (2) two sides border area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544843.2A CN109637902B (en) | 2018-12-17 | 2018-12-17 | Circuit breaker shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544843.2A CN109637902B (en) | 2018-12-17 | 2018-12-17 | Circuit breaker shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637902A true CN109637902A (en) | 2019-04-16 |
| CN109637902B CN109637902B (en) | 2024-02-23 |
Family
ID=66074899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811544843.2A Active CN109637902B (en) | 2018-12-17 | 2018-12-17 | Circuit breaker shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637902B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1137849A (en) * | 1954-10-28 | 1957-06-04 | Westinghouse Electric Corp | Switch-circuit breaker |
| EP0626711A1 (en) * | 1993-05-26 | 1994-11-30 | Bticino S.P.A. | A safety coupling device between two modular electric apparatus |
| EP0717425A1 (en) * | 1994-12-13 | 1996-06-19 | Bticino S.P.A. | A differential protection module with safety coupling for coupling to a multipole switch block |
| WO2001016980A1 (en) * | 1999-08-30 | 2001-03-08 | Eaton Corporation | Circuit interrupter having base with outer wall support and having improved operating mechanism securement |
| CN201199509Y (en) * | 2008-04-28 | 2009-02-25 | 江苏西蒙智控设备有限公司 | Connection device for electric leakage circuit breaker |
| CN205050785U (en) * | 2015-10-20 | 2016-02-24 | 乐清市海达胶塑配件厂 | Moulded case circuit breaker casing |
| JP2016040971A (en) * | 2014-08-12 | 2016-03-24 | 富士電機機器制御株式会社 | Electric apparatus |
| CN205621678U (en) * | 2016-05-24 | 2016-10-05 | 浙江共进电器科技有限公司 | Intelligent molded case circuit breaker |
| CN205845857U (en) * | 2016-06-28 | 2016-12-28 | 上海通用广电电力元件有限公司 | A kind of low-pressure plastic shell circuit breaker cover anti-disassembling mechanism |
| CN206282807U (en) * | 2016-12-28 | 2017-06-27 | 杭州尚美电气有限公司 | Switch disconnector |
| CN206349312U (en) * | 2016-12-16 | 2017-07-21 | 浙江正泰电器股份有限公司 | Residual current action breaker connection structure of outer shell |
| CN107591292A (en) * | 2017-11-06 | 2018-01-16 | 鹤山市辉域成套设备有限公司 | A kind of miniature circuit breaker support |
| KR20180090598A (en) * | 2017-02-03 | 2018-08-13 | 엘에스산전 주식회사 | Circuit breaker |
| CN208093478U (en) * | 2018-03-29 | 2018-11-13 | 浙江英博电气股份有限公司 | A kind of novel breaker |
| CN209133431U (en) * | 2018-12-17 | 2019-07-19 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker |
-
2018
- 2018-12-17 CN CN201811544843.2A patent/CN109637902B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1137849A (en) * | 1954-10-28 | 1957-06-04 | Westinghouse Electric Corp | Switch-circuit breaker |
| EP0626711A1 (en) * | 1993-05-26 | 1994-11-30 | Bticino S.P.A. | A safety coupling device between two modular electric apparatus |
| EP0717425A1 (en) * | 1994-12-13 | 1996-06-19 | Bticino S.P.A. | A differential protection module with safety coupling for coupling to a multipole switch block |
| WO2001016980A1 (en) * | 1999-08-30 | 2001-03-08 | Eaton Corporation | Circuit interrupter having base with outer wall support and having improved operating mechanism securement |
| CN201199509Y (en) * | 2008-04-28 | 2009-02-25 | 江苏西蒙智控设备有限公司 | Connection device for electric leakage circuit breaker |
| JP2016040971A (en) * | 2014-08-12 | 2016-03-24 | 富士電機機器制御株式会社 | Electric apparatus |
| CN205050785U (en) * | 2015-10-20 | 2016-02-24 | 乐清市海达胶塑配件厂 | Moulded case circuit breaker casing |
| CN205621678U (en) * | 2016-05-24 | 2016-10-05 | 浙江共进电器科技有限公司 | Intelligent molded case circuit breaker |
| CN205845857U (en) * | 2016-06-28 | 2016-12-28 | 上海通用广电电力元件有限公司 | A kind of low-pressure plastic shell circuit breaker cover anti-disassembling mechanism |
| CN206349312U (en) * | 2016-12-16 | 2017-07-21 | 浙江正泰电器股份有限公司 | Residual current action breaker connection structure of outer shell |
| CN206282807U (en) * | 2016-12-28 | 2017-06-27 | 杭州尚美电气有限公司 | Switch disconnector |
| KR20180090598A (en) * | 2017-02-03 | 2018-08-13 | 엘에스산전 주식회사 | Circuit breaker |
| CN107591292A (en) * | 2017-11-06 | 2018-01-16 | 鹤山市辉域成套设备有限公司 | A kind of miniature circuit breaker support |
| CN208093478U (en) * | 2018-03-29 | 2018-11-13 | 浙江英博电气股份有限公司 | A kind of novel breaker |
| CN209133431U (en) * | 2018-12-17 | 2019-07-19 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109637902B (en) | 2024-02-23 |
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