CN109786184A - A kind of plastic housing leakage circuit breakers tripping indicating device - Google Patents
A kind of plastic housing leakage circuit breakers tripping indicating device Download PDFInfo
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- CN109786184A CN109786184A CN201910068483.1A CN201910068483A CN109786184A CN 109786184 A CN109786184 A CN 109786184A CN 201910068483 A CN201910068483 A CN 201910068483A CN 109786184 A CN109786184 A CN 109786184A
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- tripping
- button
- drag hook
- instruction button
- cover
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- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000008094 contradictory effect Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of plastic housing leakage circuit breakers tripping indicating devices, including cover and the tripping mechanism of cover bottom is set, the tripping mechanism includes bracket and the magnetic flow convertor that is arranged on bracket, tripping drag hook and driving member, tripping drag hook is slidably arranged on bracket, it is supported between bracket and tripping drag hook and is equipped with main spring, driving member one end and tripping drag hook cooperate lock/tripping, the driving member other end and magnetic flow convertor interoperation, drag hook of threading off includes drag hook portion and abutting portion, cover limits sliding up and down and is provided with instruction button, button spring is provided on cover, button spring gives the downward elastic acting force of instruction button and is maintained at instruction button lower end on the motion path of abutting portion, the abutting portion with tripping drag hook move synchronously when can with instruction button lower end contradict with merges drive instruction button from Cover upper end is stretched out.The configuration of the present invention is simple, handling ease, reliable performance, and there is tripping indication function.
Description
Technical field
The present invention relates to a kind of plastic housing leakage circuit breakers tripping indicating devices.
Background technique
Currently, the buckle releaser of plastics leakage circuit breakers in the market, main still to use traditional coil type electromagnetic trip
Device.Although this kind of buckle releaser tripping indicating device structure is simple, excessively burnt out since coil is easy fever.In addition, this
The tripping force of class buckle releaser is generally less than normal, is also easy to happen the quality accident that electric leakage product is failure to actuate.In order to improve product quality
And reliability, this kind of coil type magnetictrip are gradually eliminated.
Leakage tripping device of good performance with magnetic flow convertor is gradually used.But this kind of buckle releaser with electric leakage module
Structure, a kind of leakage tripping device as disclosed in CN203071020U, its structure is complicated, components are more, either processes
Or it assembles, cost is relatively high, is unfavorable for producing in enormous quantities.In addition, it does not have tripping indication function, use more
It is inconvenient.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of plastic housing leakage circuit breakers tripping indicating device, structures
Simply, handling ease, reliable performance, and there is tripping indication function.
To achieve the above object, the present invention provides a kind of plastic housing leakage circuit breakers tripping indicating device, including cover with
And the tripping mechanism of cover bottom is set, the tripping mechanism include bracket and the magnetic flow convertor being arranged on bracket,
Tripping drag hook and driving member, tripping drag hook level are slidably arranged on bracket, are supported between bracket and tripping drag hook and are equipped with main spring,
Driving member one end and tripping drag hook cooperate lock/tripping, the driving member other end and magnetic flow convertor interoperation, drag hook packet of threading off
It includes and limits sliding up and down with the drag hook portion of breaker interoperation and the abutting portion moved synchronously with tripping drag hook, cover and set
It is equipped with instruction button, button spring is provided on cover, button spring gives the downward elastic acting force of instruction button and makes to refer to
Show that button lower end is maintained on the motion path of abutting portion, the abutting portion with tripping drag hook move synchronously when can with instruction by
Button lower end, which is contradicted, to be stretched out with merging driving instruction button from cover upper end.
By adopting the above technical scheme the advantages of is: when leakage circuit breakers works normally, main spring is in energy accumulating state, passes
Moving part one end latches on tripping drag hook and is slided with preventing it from being driven by main spring, at this time elasticity of the instruction button in button spring
Its lower lower end is acted on to be located on the motion path of abutting portion；When magnetic flow convertor obtains electric leakage trip signal, magnetic flow convertor
Driving driving member acts and makes drag hook tripping of threading off, and the tripping drag hook after tripping is lauched in the driving of main spring smoothly to be moved, at this time
Be located on the motion path of abutting portion due to button spring lower end, abutting portion with tripping drag hook slide after can under button spring
End, which is contradicted, to be stretched out with merging driving instruction button from cover upper end, and the stretching state by observing instruction button can play electric leakage
Tripping indicative function, while drag hook portion can also trigger breaker actuation.The configuration of the present invention is simple, components are few, it is easy to process,
Reliable performance.
As a further improvement of the present invention, the instruction button lower end includes semi spherical arcuate surface, the abutting portion packet
Include the arc convex for contradicting the inclined-plane of cooperation with semi spherical arcuate surface and being set in the middle part of inclined-plane, the arc convex, inclined-plane
And beveled top end keeps tangent with its surface always when contradicting and cooperating with the semi spherical arcuate surface and contacts.
By adopting the above technical scheme the advantages of, is: the arc when abutting portion is slided towards instruction button direction, on inclined-plane
Raised to be first in contact with semi spherical arcuate surface, the component of the vertical direction generated by the two points of tangency pushes instruction button to transport upwards
It is dynamic；Then, when continuing sliding, the points of tangency of abutting portion and instruction button is transitioned into tiltedly along inclined-plane by arc convex tripping drag hook
Face top makes the beveled top end of abutting portion finally withstand on the underface of the semi spherical arcuate surface of instruction button, keeps instruction button upward
Cover is stretched out in sliding, so as to play tripping indicative function.Instruction button simultaneously can also compression button bullet in upward sliding
Spring realizes the energy storage of button spring, and instruction button being capable of voluntarily slide downward after resetting sliding convenient for tripping drag hook.Arc convex
Setting be capable of increasing abutting portion and give the component of instruction button vertically upward, enable abutting portion always with semi spherical arcuate surface
Surface keeps tangent contact that can reduce abutting portion and hemisphere for relatively pushing by inclined-plane and semi spherical arcuate surface cooperation merely
Frictional force between shape cambered surface guarantees that instruction button can be moved upwards by biggish upward component, more conducively instruction button.
As a further improvement of the present invention, the cover includes the through-hole slided up and down for instruction button, in through-hole
Wall is provided with annular protrusion, and the instruction button includes superposed button cap and the mandril positioned at lower part, mandril and button
Cap is plugged and fixed, and mandril and button cap splicing position are formed with annular notch, and the button spring is socketed in annular indentation, there, annular
It pushes up inner wall and annular protrusion upper end and constitutes limit cooperation notch, button spring both ends respectively with annular protrusion lower end and mandril phase
It contradicts.
By adopting the above technical scheme the advantages of, is: being first inserted into button cap along through-hole upper end when assembly, by mandril along through-hole
Lower end is inserted upwardly into, and button spring is then socketed in the annular indentation, there between mandril and button cap, finally by button cap and
Mandril is plugged and fixed, and whole installation process is convenient, fast.Instruction button is after assembling, due to the position-limiting action of annular protrusion,
Instruction button can be kept in through-holes, preventing it from deviating from upward or downward from through-hole.Button spring both ends can also be divided
It is not inconsistent with annular protrusion lower end and mandril, it can voluntarily be resetted downwards after so that instruction button is lost the active force of abutting portion.
As a further improvement of the present invention, its lower end of the through-hole has been downwardly extending arc far from the side of abutting portion
Shape retaining wall.
By adopting the above technical scheme the advantages of, is: the setting of arc retaining wall can prevent instruction button lower end with abutting portion
It shifts and deforms under the component effect of generated horizontal direction when conflict, guarantee that instruction button moves straight up and down, make
Instruction button is less likely to be damaged, and improves service life.
As a further improvement of the present invention, the button cap lower end is provided with the jack mating with mandril upper end,
Opening is provided at jack inner wall, mandril is provided with the barb being engaged by clamping with opening at the upper end.
By adopting the above technical scheme the advantages of is: instruction button is in assembly, first by the opening pair of barb and jack inner wall
Mandril upper end is inserted into jack by standard, the deformability based on button cap or mandril itself material, makes barb and opening being capable of shape
At clamping engagement, prevent mandril upper end from deviating from from jack, instruction button overall structure is simple, easy to assembly.
Detailed description of the invention
Fig. 1 is the structure chart of the embodiment of the present invention；
Fig. 2 is cross-sectional view of the embodiment of the present invention in normal operating conditions；
Fig. 3 is the enlarged drawing of part A in Fig. 2；
Fig. 4 is schematic diagram when arc convex and semi spherical arcuate surface are inconsistent in Fig. 3；
Fig. 5 is schematic diagram of the Fig. 3 when threading off working condition；
Fig. 6 is the schematic diagram of instruction button and tripping mechanism cooperation in the embodiment of the present invention；
Fig. 7 is the structure chart 1 of tripping mechanism in the embodiment of the present invention；
Fig. 8 is the structure chart 2 of tripping mechanism in the embodiment of the present invention；
Fig. 9 is the structure chart of tripping drag hook in the embodiment of the present invention；
Figure 10 is the structure chart of driving member in the embodiment of the present invention；
Figure 11 is the explosive view of cover and instruction button in the embodiment of the present invention；
Figure 12 is the explosive view of instruction button in the embodiment of the present invention.
Specific embodiment
A kind of embodiment of plastic housing leakage circuit breakers tripping indicating device of the present invention is as shown in figs. 1-12: including cover 1 with
And the tripping mechanism 2 of 1 bottom of cover is set, the tripping mechanism 2 includes the magnetic flux of bracket 21 and setting on the stent 21
Converter 22, tripping drag hook 23 and driving member 24,2 outside mask of tripping mechanism are equipped with middle cover 25, and the horizontal sliding of tripping drag hook 23 is set
It sets on the stent 21, sliding slot is provided on bracket 21, is supported between bracket 21 and tripping drag hook 23 and is equipped with main spring 26, driving member 24
One end 24a and tripping drag hook 23 cooperate lock/tripping, 24 other end 24b of driving member and 22 interoperation of magnetic flow convertor, transmission
Part 24 is rotatably arranged on bracket 21 by pin shaft 27, and torsional spring 28, the bullet of torsional spring 28 are provided between driving member 24 and bracket 21
Property active force 24 one end of driving member is maintained to the position that latches of tripping drag hook 23, tripping drag hook 23 includes and open circuit
The drag hook portion 231 of device interoperation and the abutting portion 232 moved synchronously with tripping drag hook 23, the limit sliding of about 1 cover are set
It is equipped with instruction button 3, button spring 29 is provided on cover 1, button spring 29 gives instruction button 3 downward elastic acting force
And it is maintained at 3 lower end of instruction button on the motion path of abutting portion 232, the abutting portion 232 is with the synchronous fortune of tripping drag hook 23
It can contradict to match with 3 lower end of instruction button when dynamic and merge driving instruction button 3 from the stretching of 1 upper end of cover.
3 lower end of instruction button includes semi spherical arcuate surface 321, and the abutting portion 232 includes and semi spherical arcuate surface
The inclined-plane 2321 of 321 conflict cooperations and the arc convex 2322(for being set to 2321 middle part of inclined-plane are as shown in Figure 8), the arc
Protrusion 2322, inclined-plane 2321 and beveled top end 232a contradicted with the semi spherical arcuate surface 321 cooperate when always with its surface
Keep tangent contact.
The cover 1 includes the through-hole 11 slided up and down for instruction button 3, and 11 inner wall of through-hole is provided with annular protrusion
12, the instruction button 3 includes superposed button cap 31 and the mandril 32 positioned at lower part, and 32 lower end of mandril is in coronal, institute
It states semi spherical arcuate surface 321 to be arranged in 32 lower end of mandril, mandril 32 is plugged and fixed with button cap 31, mandril 32 and 31 grafting of button cap
Place is formed with annular notch 33, and the button spring 29 is socketed at annular notch 33, its top inner wall 31a of annular notch 33 and ring
Shape protrusion 12 upper ends constitute limit cooperation, with prevent instruction button 3 from 11 lower end of through-hole deviate from, 29 both ends of button spring respectively with
12 lower end of annular protrusion and mandril 32(are 33 bottom inner wall 32a of annular notch) it is inconsistent, so that instruction button 3 is after upward sliding
Slide downward can be driven to reset by button spring 29.
Described its lower end of through-hole 11 has been downwardly extending arc retaining wall 13, arc retaining wall far from the side of abutting portion 232
13 insides can constitute guiding cooperation with 32 lower end of mandril.
31 lower end of button cap is provided with the jack 311 mating with 32 upper end of mandril, is arranged at 311 inner wall of jack
There is an opening 312, mandril 32 is provided with the barbs 322 being engaged by clamping with opening 312 at the upper end, the opening 312 and falls
Hook 322 is preferably two, and is symmetrically arranged at the two sides of jack 311 inner wall and mandril 32.
When leakage circuit breakers works normally (state as shown in Figure 3), main spring 26 is in energy accumulating state, driving member 24 1
End latches on tripping drag hook 23 and is slided with preventing it from being driven by main spring 26, at this time bullet of the instruction button 3 in button spring 29
Property act on its lower lower end and be located on the motion path of abutting portion 232, instruction button 3 and 1 upper end of cover holding flush position；Work as magnetic
When logical converter 22 obtains electric leakage trip signal, magnetic flow convertor 22 drives driving member 24 to act and tripping drag hook 23 is made to thread off,
Tripping drag hook 23 after tripping is lauched in the driving of main spring 26 smoothly to be moved, at this time since 29 lower end of button spring is located at abutting portion
On 232 motion path, abutting portion 232 can contradict to match with 3 lower end of instruction button after sliding with tripping drag hook 23 merges driving
Instruction button 3 is stretched out from 1 upper end of cover, to can play electric leakage tripping instruction by the stretching state of observation instruction button 3
Effect.Arc convex 2322(shape as shown in Figure 4 when abutting portion 232 is slided towards 3 direction of instruction button, on inclined-plane 2321
State) be first in contact with semi spherical arcuate surface 321, the component promotion instruction button 3 of the vertical direction generated by the two points of tangency to
Upper movement；Then, when drag hook 23 of threading off continues to slide into final position, the points of tangency of abutting portion 232 and instruction button 3 is along tiltedly
Face is transitioned into beveled top end 232a by arc convex 2322, and the beveled top end 232a of abutting portion 232 is made finally to withstand on instruction button 3
Semi spherical arcuate surface 321 underface, so that 3 upward sliding of instruction button is stretched out cover 1 to extreme higher position (shape as shown in Figure 5
State).
Above example, only one kind of the present invention preferably specific example, those skilled in the art are in the technology of the present invention side
The usual variations and alternatives carried out within the scope of case are included in protection scope of the present invention.
Claims (5)
1. a kind of plastic housing leakage circuit breakers tripping indicating device, including cover and the tripping mechanism of cover bottom is set,
Be characterized in that: the tripping mechanism includes bracket and the magnetic flow convertor being arranged on bracket, tripping drag hook and driving member, is taken off
Button drag hook level is slidably arranged on bracket, is supported between bracket and tripping drag hook and is equipped with main spring, and driving member one end and tripping are drawn
Hook cooperates lock/tripping, the driving member other end and magnetic flow convertor interoperation, and tripping drag hook includes dynamic with breaker cooperation
The drag hook portion of work and the abutting portion moved synchronously with tripping drag hook, cover limit sliding up and down and are provided with instruction button, cover
On be provided with button spring, button spring give the downward elastic acting force of instruction button and make instruction button lower end be maintained to
On the motion path of contact portion, it can match with the conflict of instruction button lower end when the abutting portion is moved synchronously with tripping drag hook and merge drive
Dynamic instruction button is stretched out from cover upper end.
2. a kind of plastic housing leakage circuit breakers tripping indicating device according to claim 1, it is characterised in that: the instruction is pressed
Button lower end includes semi spherical arcuate surface, and the abutting portion includes to contradict the inclined-plane of cooperation with semi spherical arcuate surface and be set to tiltedly
The arc convex of Middle face, the arc convex, inclined-plane and beveled top end begin when contradicting and cooperating with the semi spherical arcuate surface
It keeps tangent with its surface eventually to contact.
3. a kind of plastic housing leakage circuit breakers tripping indicating device according to claim 1 or 2, it is characterised in that: the face
Lid includes the through-hole slided up and down for instruction button, and through-hole wall is provided with annular protrusion, and the instruction button includes being located at
The button cap on top and mandril positioned at lower part, mandril are plugged and fixed with button cap, and mandril and button cap splicing position are formed with ring
V notch v, the button spring are socketed in annular indentation, there, its top inner wall of annular notch constitutes limit with annular protrusion upper end and matches
It closes, button spring both ends are inconsistent with annular protrusion lower end and mandril respectively.
4. a kind of plastic housing leakage circuit breakers tripping indicating device according to claim 3, it is characterised in that: the through-hole its
Lower end has been downwardly extending arc retaining wall far from the side of abutting portion.
5. a kind of plastic housing leakage circuit breakers tripping indicating device according to claim 3, it is characterised in that: the button cap
Lower end is provided with the jack mating with mandril upper end, and opening is provided at jack inner wall, and mandril is arranged at the upper end
There is the barb being engaged by clamping with opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068483.1A CN109786184A (en) | 2019-01-24 | 2019-01-24 | A kind of plastic housing leakage circuit breakers tripping indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068483.1A CN109786184A (en) | 2019-01-24 | 2019-01-24 | A kind of plastic housing leakage circuit breakers tripping indicating device |
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| Publication Number | Publication Date |
|---|---|
| CN109786184A true CN109786184A (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910068483.1A Pending CN109786184A (en) | 2019-01-24 | 2019-01-24 | A kind of plastic housing leakage circuit breakers tripping indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109786184A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5502286A (en) * | 1994-05-25 | 1996-03-26 | General Electric Company | Bell alarm and lock-out for high ampere-rated circuit breakers |
| CN203071020U (en) * | 2012-12-28 | 2013-07-17 | 常熟开关制造有限公司(原常熟开关厂） | Leakage tripping device |
| CN203659769U (en) * | 2013-12-26 | 2014-06-18 | 常熟开关制造有限公司(原常熟开关厂） | Tripping device with indicating function and circuit breaker |
| CN105470064A (en) * | 2015-12-31 | 2016-04-06 | 德力西电气有限公司 | Tripping apparatus and circuit breaker apparatus |
| CN209298042U (en) * | 2019-01-24 | 2019-08-23 | 德力西电气有限公司 | A kind of plastic housing leakage circuit breakers tripping indicating device |
-
2019
- 2019-01-24 CN CN201910068483.1A patent/CN109786184A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5502286A (en) * | 1994-05-25 | 1996-03-26 | General Electric Company | Bell alarm and lock-out for high ampere-rated circuit breakers |
| CN203071020U (en) * | 2012-12-28 | 2013-07-17 | 常熟开关制造有限公司(原常熟开关厂） | Leakage tripping device |
| CN203659769U (en) * | 2013-12-26 | 2014-06-18 | 常熟开关制造有限公司(原常熟开关厂） | Tripping device with indicating function and circuit breaker |
| CN105470064A (en) * | 2015-12-31 | 2016-04-06 | 德力西电气有限公司 | Tripping apparatus and circuit breaker apparatus |
| CN209298042U (en) * | 2019-01-24 | 2019-08-23 | 德力西电气有限公司 | A kind of plastic housing leakage circuit breakers tripping indicating device |
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