CN207818498U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN207818498U CN207818498U CN201820250404.XU CN201820250404U CN207818498U CN 207818498 U CN207818498 U CN 207818498U CN 201820250404 U CN201820250404 U CN 201820250404U CN 207818498 U CN207818498 U CN 207818498U
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- armature
- yoke
- torsional spring
- plate
- miniature circuit
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Abstract
The utility model is related to a kind of miniature circuit breakers, including shell and the buckle releaser being arranged in shell, flash barrier is formed in the shell, recess forms yoke slot downwards on flash barrier, coil installation position is formed on shell above yoke slot, the front of coil installation position forms front limit plate, the lower section of front limit plate forms resigning mouthful, the rear of coil installation position forms rear position margining plate, the iron core mouth of an arc is formed on rear position margining plate, the yoke limiting plate of central opening is provided in front of front limit plate, it is provided at least one coil locating piece below coil installation position, axis hole is offered on one of coil locating piece.The shell of the utility model can install the magnetictrip of clapper-type, also be adapted to the magnetictrip of coil type, meet the miniature circuit breaker of different current requirements, save mold, save production and inventory cost.
Description
Technical field
The utility model is related to a kind of miniature circuit breakers.
Background technology
The short-circuit protection of miniature circuit breaker is provided by magnetictrip, the magnetictrip of existing miniature circuit breaker
Be generally use electromagnetic coil generate magnetic field force come push mandril realize thread off, the high sensitivity of electromagnetic coil, electric current compared with
It is widely used in small miniature circuit breaker, but when some occasions need the miniature circuit breaker of high current, electromagnetic coil is due to passing through
Electric current is small, Wen Sheng great, and improper use, thus miniature circuit breaker need it is a kind of can by the magnetictrip of high current,
And in order to save cost, this magnetictrip needs are adapted with original shell.
Invention content
In order to solve the deficiencies in the prior art, the utility model provides a kind of shell and electromagnetic coil is general,
And it can realize the miniature circuit breaker of high current short-circuit protection.
To achieve the above object, the utility model uses a kind of miniature circuit breaker, including shell and is arranged in shell
Buckle releaser, the shell is interior to form flash barrier, is recessed downwards on flash barrier and forms yoke slot, is formed on the shell above yoke slot
The front of coil installation position, coil installation position forms front limit plate, and the lower section of front limit plate forms resigning mouthful, coil installation position
Rear forms rear position margining plate, forms the iron core mouth of an arc on rear position margining plate, central opening is provided in front of front limit plate
Yoke limiting plate, be provided at least one coil locating piece below coil installation position, opened up on one of coil locating piece
There is axis hole.
The utility model has the beneficial effects that on shell both be provided with installation coil type magnetictrip coil installation position,
Front limit plate, rear position margining plate, yoke limiting plate, and yoke slot is set on flash barrier, while on original coil locating piece
Axis hole is opened up, resigning mouthful is opened up on front limit plate, shell is enable to be adapted to clapper-type electromagnetic buckle releaser, meets different current requirements
Miniature circuit breaker saves mold, saves production and inventory cost.
It includes terminal plate, yoke, armature that the utility model, which is further arranged to the buckle releaser, and terminal plate is arranged in arc
On plate, in the yoke slot that yoke is arranged below terminal plate, armature is arranged above terminal plate, and armature is provided in the axis hole
Axis, armature rear end are hinged on armature shaft, and torsional spring is wound on armature shaft, and torsional spring both ends are connected on armature and terminal plate,
The front end of armature forms mandril, and the resigning mouthful can allow armature to pass through in overturning just.
Said program is the specific mounting means of clapper-type electromagnetic buckle releaser, and beneficial aspects are that the clapper-type electromagnetic is threaded off
The yoke of device is fixed in yoke slot, and armature is hinged on the armature shaft being arranged on axis hole, while being opened up and being allowed on front limit plate
Armature by resigning mouthful, and form mandril and operating mechanism in armature front end and link, clapper-type electromagnetic buckle releaser and shell
Stable connection, action is unobstructed, perfect can realize and thread off.
The utility model is further arranged to that cored plate is arranged between the yoke and terminal plate.Iron core can improve dropout
The sensitivity of device.
The utility model is further arranged to the yoke both sides and is bent upwards to form yoke side, and yoke side extends to
Terminal plate upper side, in iron core plate is wrapped in by yoke, the armature both sides are bent downwardly to form rank corresponding with yoke side
Iron side.Above structure, which makes armature and yoke constitute closed circuit, can also improve sensitivity.
The utility model is further arranged to form torsional spring location hole on the armature, and torsional spring top is plugged on torsional spring positioning
It is positioned in hole.
The utility model is further arranged to the armature and forms the torsional spring placement position being recessed inwardly at armature shaft, is wound on
Torsional spring setting on armature shaft is in torsional spring placement position.Torsional spring placement position provides for torsional spring allows bit space, and torsional spring is facilitated to install.
Description of the drawings
Fig. 1 is the stereogram of the utility model specific embodiment.
Fig. 2 is the buckle releaser of the utility model specific embodiment and the assembling schematic diagram of shell.
Fig. 3 is the utility model specific embodiment body diagram.
Fig. 4 is the buckle releaser schematic diagram of the utility model specific embodiment.
Fig. 5 is the sectional view of Fig. 4.
Specific implementation mode
As Figure 1-Figure 5, specific embodiment of the utility model is a kind of miniature circuit breaker, including shell 2 and setting
Buckle releaser 1 in shell 2, shell 2 is interior to form flash barrier 26, is recessed downwards on flash barrier 26 and forms yoke slot 21, yoke slot
Form coil installation position 22 on the shell 2 of 21 tops, the front of coil installation position 22 forms front limit plate 23, under front limit plate
It is rectangular at resigning mouthful 231, the rear of coil installation position 22 forms rear position margining plate 24, and the iron of an arc is formed on rear position margining plate 24
Core mouth 241, the front of front limit plate 23 are provided with the yoke limiting plate 25 of central opening, 22 lower section of coil installation position be provided with to
Lack a coil locating piece 27, axis hole 28 is offered on one of coil locating piece 27.
Buckle releaser 1 includes terminal plate 11, yoke 12, armature 13, and terminal plate 11 is arranged above flash barrier 26, and yoke 12 is set
It sets below terminal plate 11, cored plate 14 is set between yoke 12 and terminal plate 11, armature 13 is arranged above terminal plate 11,
12 both sides of yoke are bent upwards to form yoke side 121, and yoke side 12 extends to 11 upper side of terminal plate, and yoke 12 is by iron core
In plate 14 is wrapped in, 13 both sides of armature are bent downwardly to form armature corresponding with yoke side 121 side 131, armature side 131
Front-end and back-end be respectively formed torsional spring location hole 133 and hinge hole 132, be provided with armature shaft 3 on the axis hole 28 on shell 2,
The rear end of armature 13 is through realization on armature shaft 3 by hinge hole 132 and is hinged, and torsional spring 4 is wound on armature shaft 3, armature 13 is being held in the mouth
The torsional spring placement position 134 being recessed inwardly is formed at iron axis 3, is wound on the setting of torsional spring 4 on armature shaft 3 in torsional spring placement position 134,
4 both ends of torsional spring are connected in the torsional spring location hole 133 of armature 13 and on terminal plate 11, and the front end of armature 13 forms mandril
135, yoke 12 is arranged in yoke slot 21, and the resigning mouthful 231 on front limit plate 23 can allow armature 13 to pass through in overturning just.
Above-described embodiment is the better embodiment of the utility model, other are conspicuously improved in the utility model
Protection domain in.
Claims (7)
1. a kind of miniature circuit breaker, including shell and the buckle releaser that is arranged in shell, it is characterised in that：It is formed in the shell
Flash barrier, recess forms yoke slot downwards on flash barrier, and coil installation position, coil installation position are formed on the shell above yoke slot
Front form front limit plate, the lower section of front limit plate forms resigning mouthful, and the rear of coil installation position forms rear position margining plate, rear to limit
The iron core mouth of an arc is formed on the plate of position, and the yoke limiting plate of central opening, coil installation are provided in front of front limit plate
Position lower section is provided at least one coil locating piece, and axis hole is offered on one of coil locating piece.
2. according to the miniature circuit breaker having the right described in requirement 1, it is characterised in that：The buckle releaser includes terminal plate, yoke, rank
Iron, terminal plate is arranged on flash barrier, and in the yoke slot that yoke is arranged below terminal plate, armature is arranged above terminal plate,
Armature shaft is provided in the axis hole, armature rear end is hinged on armature shaft, and torsional spring is wound on armature shaft, and torsional spring both ends connect respectively
It is connected on armature and terminal plate, the front end of armature forms mandril, and the resigning mouthful can allow armature to pass through in overturning just.
3. miniature circuit breaker according to claim 2, it is characterised in that：It is arranged between the yoke and terminal plate cored
Plate.
4. miniature circuit breaker according to claim 3, it is characterised in that：The yoke both sides are bent upwards to form yoke side
Face, yoke side extend to terminal plate upper side, in iron core plate is wrapped in by yoke, the armature both sides be bent downwardly to form with
The corresponding armature side in yoke side.
5. according to the miniature circuit breaker described in Claims 2 or 3 or 4, it is characterised in that：Torsional spring positioning is formed on the armature
Hole, torsional spring top are plugged on positioning in torsional spring location hole.
6. according to the miniature circuit breaker described in Claims 2 or 3 or 4, it is characterised in that：The armature formed at armature shaft to
The torsional spring of sunken inside disposes position, is wound on the torsional spring setting on armature shaft in torsional spring placement position.
7. miniature circuit breaker according to claim 5, it is characterised in that：The armature is formed at armature shaft and is recessed inwardly
Torsional spring dispose position, be wound on armature shaft torsional spring setting torsional spring placement position in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250404.XU CN207818498U (en) | 2018-02-12 | 2018-02-12 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250404.XU CN207818498U (en) | 2018-02-12 | 2018-02-12 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818498U true CN207818498U (en) | 2018-09-04 |
Family
ID=63321058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820250404.XU Active CN207818498U (en) | 2018-02-12 | 2018-02-12 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818498U (en) |
-
2018
- 2018-02-12 CN CN201820250404.XU patent/CN207818498U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |