CN206541784U - Breaker of plastic casing - Google Patents
Breaker of plastic casing Download PDFInfo
- Publication number
- CN206541784U CN206541784U CN201720235796.8U CN201720235796U CN206541784U CN 206541784 U CN206541784 U CN 206541784U CN 201720235796 U CN201720235796 U CN 201720235796U CN 206541784 U CN206541784 U CN 206541784U
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- China
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- iron core
- armature
- breaker
- plastic casing
- magnet coil
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Abstract
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of breaker of plastic casing, and it includes tripping mechanism and the electromagnetic system used cooperatively with tripping mechanism；The tripping mechanism includes cross bar, electromagnetic system includes magnet coil, the iron core being arranged in the middle part of magnet coil, is arranged on above magnet coil and is used for the armature for driving cross bar, the magnetic vibrating feeder yoke and back-moving spring that are arranged on the outside of magnet coil, armature one end is connected with magnetic vibrating feeder yoke, back-moving spring driving armature is separated with iron core, and the adhesive boss coordinated with armature is set at the top of iron core；Breaker of plastic casing of the present utility model is stable and reliable for performance.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of breaker of plastic casing.
Background technology
Breaker of plastic casing is conventional electric circuit protection equipment, when breaker of plastic casing is accessed in protected circuit road, is flowed through
With load identical electric current, when load short circuits, short circuit current flow flows through the magnet coil of inside, and the magnetic field that magnet coil is produced leads to
Cross iron core and attract armature snap action, and drive tripping mechanism to thread off, so as to play a protective role.Existing breaker of plastic casing
Iron core is in assembling, it is necessary to by the angle fork of iron core, to realize the fixation of iron core, still, be pitched by the angle of iron core
When opening, the pressure for being applied to iron core top is easily caused iron core and deforms and enter inside magnet coil, makes the work of iron core and armature
Air gap increases, when causing short circuit current flow occur inside magnet coil, and situation about being instantaneously failure to actuate occurs for breaker of plastic casing.
The content of the invention
The purpose of this utility model is to overcome the defect of prior art, and there is provided a kind of plastic housing open circuit stable and reliable for performance
Device.
A kind of breaker of plastic casing, it includes tripping mechanism 1 and the electromagnetic system used cooperatively with tripping mechanism 12；It is described
Tripping mechanism 1 includes cross bar 11, and electromagnetic system 2 includes magnet coil 21, the iron core 22 for being arranged on the middle part of magnet coil 21, set
It is used to drive the armature 23 of cross bar 11 in the top of magnet coil 21, is arranged on the magnetic vibrating feeder yoke 24 in the outside of magnet coil 21 and resets
Spring 26, one end of armature 23 is connected with magnetic vibrating feeder yoke 24, and the driving armature 23 of back-moving spring 26 is separated with iron core 22, the top of iron core 22
The adhesive boss 221 coordinated with armature 23 is set.
It is preferred that, the middle part of armature 23 forms seesaw structure with the top of iron core 22.
It is preferred that, the iron core 22 includes being disposed thereon the adhesive boss 221 in portion, is arranged on the two ends of adhesive boss 221
Holding the upside of magnet coil 21 position limit arm 222 and be arranged on the angle 224 of the bottom of iron core 22.
It is preferred that, the height that the adhesive boss 221 protrudes from the upper side of position limit arm 222 of iron core 22 is 0.3-
0.5cm, the length of adhesive boss 221 is 4-6cm.
It is preferred that, the height that the adhesive boss 221 protrudes from the upper side of position limit arm 222 of iron core 22 is 0.4cm, is inhaled
The length for closing boss 221 is 5cm.
It is preferred that, the lower section of position limit arm 222 sets groove 223.
It is preferred that, the back-moving spring 26 is arranged between magnet coil 21 and armature 23, and the downside of armature 23 is set
The the first spring retainer boss coordinated with the upper end of back-moving spring 26, the top of magnet coil 21 is set to be coordinated with the lower end of back-moving spring 26
Second spring positive stop lug boss.
It is preferred that, the back-moving spring 26 is arranged on the side of magnetic vibrating feeder yoke 24, and the upper end of back-moving spring 26 is connected with armature 23,
Lower end is connected with magnetic vibrating feeder yoke 24.
It is preferred that, in addition to housing 3, housing 3 includes pedestal 31 and base 32, and pedestal 31 includes being arranged on magnet coil 21
The iron core lock chamber 311 of lower section, the lower end of iron core 22 insertion iron core lock chamber 311.
It is preferred that, including multiple the electromagnetic system 2 used cooperatively with the cross bar 11 of tripping mechanism 1 is arranged side by side.
The iron core top of breaker of plastic casing of the present utility model sets adhesive boss, is conducive to reducing between iron core and armature
Working gas gap, be effectively reduced or avoid the situation that breaker of plastic casing is instantaneously failure to actuate to occur.In addition, modeling of the present utility model
Case circuit breaker includes multiple electromagnetic systems being arranged side by side, and multipole protection can be achieved and/or current limiting capacity is improved；The armature exists
With in iron core attracting process, forming seesaw at the top of armature and iron core, make armature be more easy to iron core adhesive, be further reduced or avoided
The situation that breaker of plastic casing is instantaneously failure to actuate occurs.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model breaker of plastic casing；
Fig. 2 is another structural representation of the utility model breaker of plastic casing；
Fig. 3 is the structural representation of the utility model iron core；
Fig. 4 is another structural representation of the utility model iron core；
Fig. 5 is the assembling structure schematic diagram of the utility model iron core and housing；
Fig. 6 is the structural representation of the utility model Fig. 5 I parts；
Fig. 7 is the fit structure schematic diagram of the utility model armature and iron core.
Embodiment
The embodiment provided below in conjunction with accompanying drawing 1 to 5, further illustrates the specific reality of breaker of plastic casing of the present utility model
Apply mode.Breaker of plastic casing of the present utility model is not limited to the following description.
Breaker of plastic casing of the present utility model, it includes tripping mechanism 1 and the electromagnetic system used cooperatively with tripping mechanism 1
System 2；The tripping mechanism 1 includes cross bar 11, and electromagnetic system 2 includes magnet coil 21, is arranged on the iron at the middle part of magnet coil 21
Core 22, it is arranged on the top of magnet coil 21 and is used to drive the armature 23 of cross bar 11, is arranged on the magnetic vibrating feeder yoke in the outside of magnet coil 21
24 and back-moving spring 26, the one end of armature 23 is connected with magnetic vibrating feeder yoke 24, and the driving armature 23 of back-moving spring 26 is separated with iron core 22, iron
The top of core 22 sets the adhesive boss 221 coordinated with armature 23.The iron core of existing breaker of plastic casing is in assembling, it is necessary to by iron
The angle fork of core, to realize the fixation of iron core, still, when the angle of iron core is diverged, is applied to iron core top
Pressure is easily caused iron core and deforms and iron core upper end is entered inside magnet coil, increases the working gas gap of iron core and armature, leads
Send a telegraph when there is short circuit current flow inside magnetic coil, situation about being instantaneously failure to actuate occurs for breaker of plastic casing.Plastic housing of the present utility model
Breaker, the top of iron core 22 sets adhesive boss 221, is on the one hand conducive to reducing the work between iron core 22 and armature 23
Air gap, furthermore, armature 23 is with the attracting process of iron core 22, forming seesaw structure at the top of armature 23 and iron core 22, making armature 23
It is more easy to that the feelings that breaker of plastic casing is instantaneously failure to actuate effectively have been reduced or avoided with the adhesive of iron core 22, above-mentioned both sides effect
Condition occurs.
As shown in figure 1, being one embodiment of breaker of plastic casing of the present utility model.
As shown in figure 1, breaker of plastic casing of the present utility model includes tripping mechanism 1 and is arranged on the side of tripping mechanism 1
With the electromagnetic system 2 for driving tripping mechanism 1, the breaker of plastic casing includes be arranged side by side 3 and and tripping mechanism
1 electromagnetic system 2 used cooperatively.It is pointed out that the number of the electromagnetic system 2 can be according to the number of poles of breaker of plastic casing
And current limiting capacity is adjusted.
As shown in Fig. 2 the tripping mechanism 1 includes the cross bar 11 used cooperatively with the armature 22 of electromagnetic system 2.Such as Fig. 2
Shown direction, the electromagnetic system 2 includes being arranged on the magnet coil 21 on the top of pedestal 31, is disposed side by side in magnet coil 21
Two iron cores 22 in portion, it is arranged on that the top of magnet coil 21 is used to driving the armature 23 of cross bar 11, to be arranged on magnet coil 21 right
The magnetic vibrating feeder yoke 24 and back-moving spring 26 of side, the right-hand member of armature 23 are connected with magnetic vibrating feeder yoke 24, and the top of iron core 22 is set matches somebody with somebody with armature 23
The (not shown) of adhesive boss 221 of conjunction.It is pointed out that the number of the iron core 22 can be carried out according to design requirement
Adjustment.
During work, when short circuit current flow is by magnet coil 21, magnet coil 21 produces induced field, and iron core 22 attracts rank
Iron 23, makes armature 23 be contacted with iron core 22, and the left end of armature 23 pushes the cross bar of tripping mechanism 1, acts tripping mechanism 1, cut-out
Circuit；After short circuit current flow is excluded, the driving armature 23 of back-moving spring 26 is separated with iron core 22.
As shown in Figures 3 and 4, the iron core 22 includes being disposed thereon the adhesive boss 221 in portion, is arranged on adhesive boss
Two position limit arms 222 at 221 two ends and two angles 224 for being arranged on the bottom of iron core 22, the downside of two position limit arms 222
Face is connected with the upper side of magnet coil 21.
As shown in fig. 6, H2 is the workplace between the adhesive boss 221 and armature 23 of the utility model breaker of plastic casing
Gap, H3 is not provided with working clearance during adhesive boss 221 between iron core 22 and armature 23 for iron core 22, it is clear that, H2 ＜
H3, adhesive boss 221 is conducive to reducing the working gas gap between armature 23 and iron core 22, is easy to armature 23 and the adhesive of iron core 22,
Ensure the stability and validity of the snap action of armature 23.
As shown in fig. 7, when the armature 23 is with 22 adhesive of iron core, seesaw structure is formed on armature 23 and the top of iron core 22, is made
Armature 23 is easier to the adhesive of iron core 22, further ensures the stability and validity of the snap action of armature 23.
It is preferred that, as shown in figure 3, the adhesive boss 221 protrudes from the height H of the upper side of position limit arm 222 of iron core 22
For 0.3-0.5cm, the length L of adhesive boss 221 is 4-6cm.
It is preferred that, as shown in figure 3, the adhesive boss 221 protrudes from the height H of the upper side of position limit arm 222 of iron core 22
For 0.4cm, the length L of adhesive boss 221 is 5cm.
It is preferred that, as shown in figure 4, the lower end of the angle 224 is wedge structure, it is easy to the lower end of iron core 22 to insert pedestal
In 31 iron core lock chamber.
It is preferred that, as shown in Figures 3 and 4, the lower section of position limit arm 222 sets groove 223, and groove 223 can avoid iron core 22
In punch forming because the corner below position limit arm 222 forms flash fillet, and influence the situation of the insertion coil 21 of iron core 22
Occur.
It is preferred that, the iron core 22 is integral type punching structure.
It is preferred that, as shown in figures 2 and 5, the back-moving spring 26 is arranged between magnet coil 21 and armature 23, armature
The first spring retainer boss of the upper end of fixed reset spring 26 is provided on the downside of 23 left ends, the top of magnet coil 21 is provided for
The second spring positive stop lug boss of the lower end of fixed reset spring 26.
It is preferred that, the back-moving spring 26 is arranged on the right side of magnetic vibrating feeder yoke 24, the upper end of back-moving spring 26 and the right side of armature 23
End is connected, and lower end is connected with the bottom of magnetic vibrating feeder yoke 24.
Direction as shown in figures 2 and 5, breaker of plastic casing of the present utility model also includes housing 3, housing 3 include pedestal 31 with
And the base 32 that the bottom of pedestal 31 is secured to connection is arranged on, the iron core that pedestal 31 includes being arranged on the lower section of magnet coil 21 is consolidated
Chamber 311 is determined, in the insertion iron core of angle 224 positioning chamber 311 of iron core 22, and by two angles 224 of iron core 22 to opposite
Direction break curved so that the position of iron core 22 is fixed.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (10)
1. a kind of breaker of plastic casing, its electromagnetic system (2) for including tripping mechanism (1) and being used cooperatively with tripping mechanism (1)；
It is characterized in that：The tripping mechanism (1) includes cross bar (11), and electromagnetic system (2) includes magnet coil (21), is arranged on electromagnetism
Iron core (22) in the middle part of coil (21), it is arranged on and is used for the armature (23) for driving cross bar (11) above magnet coil (21), sets
Magnetic vibrating feeder yoke (24) and back-moving spring (26) on the outside of magnet coil (21), armature (23) one end are connected with magnetic vibrating feeder yoke (24),
Back-moving spring (26) driving armature (23) is separated with iron core (22), sets the adhesive coordinated with armature (23) convex at the top of iron core (22)
Platform (221).
2. breaker of plastic casing according to claim 1, it is characterised in that：With iron core (22) top in the middle part of the armature (23)
Form seesaw structure.
3. breaker of plastic casing according to claim 1, it is characterised in that：The iron core (22) includes being disposed thereon portion
Adhesive boss (221), be arranged on position limit arm (222) of the holding at adhesive boss (221) two ends on the upside of magnet coil (21) with
And it is arranged on the angle (224) of iron core (22) bottom.
4. the breaker of plastic casing according to claim 1 or 3, it is characterised in that：The adhesive boss (221) protrudes from iron core
(22) height of position limit arm (222) upper side is 0.3-0.5cm, and the length of adhesive boss (221) is 4-6cm.
5. breaker of plastic casing according to claim 4, it is characterised in that：The adhesive boss (221) protrudes from iron core
(22) height of position limit arm (222) upper side is 0.4cm, and the length of adhesive boss (221) is 5cm.
6. breaker of plastic casing according to claim 3, it is characterised in that：Groove is set below the position limit arm (222)
(223)。
7. breaker of plastic casing according to claim 1, it is characterised in that：The back-moving spring (26) is arranged on magnet coil
(21) between armature (23), the downside of armature (23) sets the first spring retainer coordinated with back-moving spring (26) upper end convex
Platform, magnet coil (21) top sets the second spring positive stop lug boss coordinated with back-moving spring (26) lower end.
8. breaker of plastic casing according to claim 1, it is characterised in that：The back-moving spring (26) is arranged on magnetic vibrating feeder yoke
(24) side, back-moving spring (26) upper end is connected with armature (23), and lower end is connected with magnetic vibrating feeder yoke (24).
9. breaker of plastic casing according to claim 1, it is characterised in that：Also include housing (3), housing (3) includes pedestal
(31) and base (32), pedestal (31) includes being arranged under the iron core lock chamber (311) below magnet coil (21), iron core (22)
End insertion iron core lock chamber (311).
10. breaker of plastic casing according to claim 1, it is characterised in that：It is arranged side by side and tripping mechanism (1) including multiple
The electromagnetic system (2) that uses cooperatively of cross bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235796.8U CN206541784U (en) | 2017-03-10 | 2017-03-10 | Breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235796.8U CN206541784U (en) | 2017-03-10 | 2017-03-10 | Breaker of plastic casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541784U true CN206541784U (en) | 2017-10-03 |
Family
ID=59941953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720235796.8U Active CN206541784U (en) | 2017-03-10 | 2017-03-10 | Breaker of plastic casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541784U (en) |
-
2017
- 2017-03-10 CN CN201720235796.8U patent/CN206541784U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |