CN207038458U - A kind of miniature circuit breaker for being not easy tong - Google Patents
A kind of miniature circuit breaker for being not easy tong Download PDFInfo
- Publication number
- CN207038458U CN207038458U CN201720650212.3U CN201720650212U CN207038458U CN 207038458 U CN207038458 U CN 207038458U CN 201720650212 U CN201720650212 U CN 201720650212U CN 207038458 U CN207038458 U CN 207038458U
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- housing
- arc
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- close
- downside
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Abstract
The utility model discloses a kind of miniature circuit breaker for being not easy tong; including housing and arc-chute box; the upper end of the left outer surface of the housing is provided with neck; the upper inside surface of the housing is provided with housing fixing threaded hole on the downside of neck; the arc-chute box is arranged on the middle position of housing close to the downside of housing fixing threaded hole; the arc-chute box is internally provided with arc extinguishing grid pieces, and the middle position of the housing is provided with short-circuit protection coil on the right side of arc extinguishing grid pieces；Air-break has preferable operating characteristic point, closing operation speed fast; protection feature has the protective values such as overload, short circuit, decompression; arc quenching characteristic has deion grid arc-chutes energy fast arc extinction; because it has the good function of breaker and protection device concurrently; it is very convenient to use, compared to other electrical equipments, closer in the life of people; so that more people must reach over to, and new handle has more ensured the safety of user.
Description
Technical field
The utility model belongs to power switch technical field, and in particular to a kind of miniature circuit breaker for being not easy tong.
Background technology
Air switch, also known as air-break, it is one kind of breaker.It is as long as that electric current exceedes specified electricity in a kind of circuit
The switch that stream will disconnect automatically.Air switch is very important a kind of electricity in low voltage power distribution network and electric drive system
Device, it integrates control and multi-protective function., still can be to circuit or electrical equipment in addition to it can complete contact and disjunction circuit
Short circuit, heavy overload and under-voltage of generation etc. are protected, while can be used for infrequently starting motor.
Air switch application is very extensive, is article common in family, but occurs to push away electric brake very during the things such as tripping operation
Easily by electric brake handle hand folding.
The content of the invention
The purpose of this utility model is to provide a kind of miniature circuit breaker for being not easy tong, to solve in above-mentioned background technology
The air switch application of proposition is very extensive, is article common in family, but pushes away electric brake during the thing such as generation tripping operation and hold very much
Easily by electric brake handle hand folding problem.
To achieve the above object, the utility model provides following technical scheme：A kind of miniature circuit breaker for being not easy tong, bag
Housing and arc-chute box are included, the upper end of the left outer surface of the housing is provided with neck, and the upper inside surface of the housing is leaned on
Housing fixing threaded hole is provided with the downside of nearly neck, the middle position that the arc-chute box is arranged on housing is fixed close to housing
The downside of screw, the arc-chute box are internally provided with arc extinguishing grid pieces, and the middle position of the housing is close to arc extinguishing grid pieces
Right side is provided with short-circuit protection coil, and the upside of the short-circuit protection coil is provided with contact on the right side of housing fixing threaded hole
Group, leading groove is installed on the upside of the sets of contacts, leading groove fixed screw, the short circuit are installed on the right side of the leading groove
The downside middle position of protection coil is provided with short-circuit protection iron core, and the downside middle position of the housing is protected close to short circuit
Magnetictrip is installed on the downside of break iron core, mechanical caging driving handle, institute are installed at the right-hand member of the magnetictrip
The right side for stating heating element is provided with handle, the upper end peace of the short-circuit protection coil on the upside of mechanical caging driving handle
Equipped with conductive copper wire, the downside of the handle is provided with arm pivot post, the electromagnetism on the upside of mechanical caging driving handle
Heating element is provided with the left end of electrical apparatus release, the downside of the heating element is provided with line outlet groove close to the lower surface of housing,
The left side of the heating element is provided with overload protection sheet metal, the right lateral surface of the line outlet groove close to the inner surface of housing
Line outlet groove fixed screw is installed, the downside of the handle is provided with off state close to the middle position of housing and shown.
Preferably, linked between the handle and mechanical caging driving handle by axis of rotation.
Preferably, it is threadably secured connection between leading groove and the leading groove fixed screw.
Preferably, it is slidably connected between the short-circuit protection iron core and short-circuit protection coil.
Preferably, it is fixedly connected between the housing and housing by housing fixing threaded hole.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
Convenient, air-break has preferable operating characteristic point, closing operation speed fast；Protection feature has overload, short circuit, decompression
Etc. protective value；Arc quenching characteristic has deion grid arc-chutes energy fast arc extinction, because it has the good of breaker and protection device concurrently
Good function, it is very convenient to use, compared to other electrical equipments, closer in the life of people so that more people must
It must contact, handle of the present utility model has more ensured the safety of user.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is right view of the present utility model；
In figure：1- overload protections sheet metal, 2- heating elements, 3- housings, 4- arc extinguishing grid pieces, 5- housings fixing threaded hole, 6-
Neck, 7- sets of contacts, 8- leading grooves, 9- leading grooves fixed screw, 10- handles, 11- short-circuit protections coil, 12- mechanical cagings pass
Fixed handle, 13- short-circuit protections iron core, 14- magnetictrips, 15- line outlet grooves fixed screw, 16- line outlet grooves, 17- conductive copper wires,
18- arm pivot posts, 19- on off states are shown, 20- arc-chute boxes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of technical scheme：A kind of miniature circuit breaker for being not easy tong, bag
Housing 3 and arc-chute box 20 are included, the upper end of the left outer surface of housing 3 is provided with neck 6, and the upper inside surface of housing 3 is close
The downside of neck 6 is provided with housing fixing threaded hole 5, and the middle position that arc-chute box 20 is arranged on housing 3 is fixed close to housing
The downside of screw 5, arc-chute box 20 are internally provided with arc extinguishing grid pieces 4, and the middle position of housing 3 is close to the right side of arc extinguishing grid pieces 4
Side is provided with short-circuit protection coil 11, and the upside of short-circuit protection coil 11 is provided with contact close to the right side of housing fixing threaded hole 5
Group 7, the upside of sets of contacts 7 is provided with leading groove 8, and the right side of leading groove 8 is provided with leading groove fixed screw 9, short-circuit protection line
The downside middle position of circle 11 is provided with short-circuit protection iron core 13, and the downside middle position of housing 3 is close to short-circuit protection iron
The downside of core 13 is provided with magnetictrip 14, and mechanical caging driving handle 12 is provided with the right-hand member of magnetictrip 14, is added
The right side of pyrogen part 2 is provided with handle 10, the upper end peace of short-circuit protection coil 11 close to the upside of mechanical caging driving handle 12
Equipped with conductive copper wire 17, the downside of handle 10 is provided with arm pivot post 18, electromagnetism close to the upside of mechanical caging driving handle 12
Heating element 2 is provided with the left end of electrical apparatus release 14, the downside of heating element 2 is provided with line outlet groove close to the lower surface of housing 3
16, the left side of heating element 2 is provided with overload protection sheet metal 1, the right lateral surface of line outlet groove 16 close to the inner surface of housing 3
Line outlet groove fixed screw 15 is installed, the downside of handle 10 is provided with off state close to the middle position of housing 3 and shows 19.
In order that the multiple lock of external hand is obtained, in the present embodiment, it is preferred that between handle 10 and mechanical caging driving handle 12
Linked by axis of rotation.
In order that equipment connection reliability, in the present embodiment, it is preferred that leading groove 8 and leading groove fixed screw 9 it
Between be threadably secured connection.
In order that the reliability of short-circuit protection is obtained, in the present embodiment, it is preferred that short-circuit protection iron core 13 and short-circuit protection line
It is slidably connected between circle 11.
In order that the globality of equipment must be ensured, in the present embodiment, it is preferred that consolidate between housing 3 and housing 3 by housing
Determine screw 5 to be fixedly connected.
Arc extinguishing grid pieces 4 in the utility model are one of basic skills for extinguishing electric arc, and arc extinguishing grid pieces 4 typically use steel disc
Make, in AC low-tension device for switching, when producing electric arc between contact, electric arc is drawn under the convergent force effect of the magnetic line of force
Arc extinguishing grid pieces 4, a long arc are divided into multistage short arc, and when alternating current zero passage, all short arcs extinguish simultaneously, due near cloudy
Nearby all there is 150-250V starting medium intensity immediately in polar effect, the negative electrode of every section of short arc, as long as all series connection short arcs
Starting medium intensity summation is more than the applied voltage between contact, and electric arc will no longer restrike.
Operation principle and process for using of the present utility model：After the utility model installs, by neck 6 by breaker
Housing 3 is installed in air switch box, and upper wiring is fixed on leading groove 8 by leading groove fixed screw 9, lower wiring is led to
Cross line outlet groove fixed screw 15 to be fixed on line outlet groove 16, then by handle 10, electric brake is pushed to, it is possible to normal use
.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of miniature circuit breaker for being not easy tong, including heating element（2）, housing（3）With arc-chute box（20）, its feature exists
In：The housing（3）The upper end of left outer surface be provided with neck（6）, the housing（3）Upper inside surface close to neck
（6）Downside be provided with housing fixing threaded hole（5）, the arc-chute box（20）Installed in housing（3）Middle position it is close
Housing fixing threaded hole（5）Downside, the arc-chute box（20）It is internally provided with arc extinguishing grid pieces（4）, the housing（3）Centre
Opening position is close to arc extinguishing grid pieces（4）Right side short-circuit protection coil is installed（11）, the short-circuit protection coil（11）Upside
Close to housing fixing threaded hole（5）Right side sets of contacts is installed（7）, the sets of contacts（7）Upside leading groove is installed（8）,
The leading groove（8）Right side leading groove fixed screw is installed（9）, the short-circuit protection coil（11）Downside centre position
Place is provided with short-circuit protection iron core（13）, the housing（3）Downside middle position close to short-circuit protection iron core（13）Under
Side is provided with magnetictrip（14）, the magnetictrip（14）Right-hand member at mechanical caging driving handle is installed（12）,
Heating element（2）Right side close to mechanical caging driving handle（12）Upside handle is installed（10）, the short-circuit protection line
Circle（11）Upper end conductive copper wire is installed（17）, the handle（10）Downside close to mechanical caging driving handle（12）It is upper
Side is provided with arm pivot post（18）, the magnetictrip（14）Left end at be provided with heating element（2）, heating element（2）
Downside close to housing（3）Lower surface line outlet groove is installed（16）, heating element（2）Left side close to housing（3）Inner side
Surface is provided with overload protection sheet metal（1）, the line outlet groove（16）Right lateral surface line outlet groove fixed screw is installed（15）,
The handle（10）Downside close to housing（3）Middle position be provided with off state and show（19）.
A kind of 2. miniature circuit breaker for being not easy tong according to claim 1, it is characterised in that：The handle（10）With machine
Tool locks driving handle（12）Between linked by axis of rotation.
A kind of 3. miniature circuit breaker for being not easy tong according to claim 1, it is characterised in that：The leading groove（8）With
Leading groove fixed screw（9）Between be threadably secured connection.
A kind of 4. miniature circuit breaker for being not easy tong according to claim 1, it is characterised in that：The short-circuit protection iron core
（13）With short-circuit protection coil（11）Between be slidably connected.
A kind of 5. miniature circuit breaker for being not easy tong according to claim 1, it is characterised in that：The housing（3）With shell
Body（3）Between pass through housing fixing threaded hole（5）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650212.3U CN207038458U (en) | 2017-06-06 | 2017-06-06 | A kind of miniature circuit breaker for being not easy tong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650212.3U CN207038458U (en) | 2017-06-06 | 2017-06-06 | A kind of miniature circuit breaker for being not easy tong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038458U true CN207038458U (en) | 2018-02-23 |
Family
ID=61471041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720650212.3U Active CN207038458U (en) | 2017-06-06 | 2017-06-06 | A kind of miniature circuit breaker for being not easy tong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038458U (en) |
-
2017
- 2017-06-06 CN CN201720650212.3U patent/CN207038458U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |