CN203706976U - Earth leakage protection switch - Google Patents
Earth leakage protection switch Download PDFInfo
- Publication number
- CN203706976U CN203706976U CN201320858959.XU CN201320858959U CN203706976U CN 203706976 U CN203706976 U CN 203706976U CN 201320858959 U CN201320858959 U CN 201320858959U CN 203706976 U CN203706976 U CN 203706976U
- Authority
- CN
- China
- Prior art keywords
- tripping
- button
- contact component
- snap close
- moving contact
- 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.)
- Expired - Lifetime
Links
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model provides an earth leakage protection switch, which comprises a bracket, a lock buckle, a trip buckle, a button, a sliding plate, a movable contact assembly, a static contact assembly, a contact spring, a reaction spring, a cover plate and a release assembly. The earth leakage protection switch is characterized in that the trip buckle is of a special structure and is provided with a groove to be bucked with the lock buckle. The groove and the lock buckle are buckled together, so that the trip buckle can be locked at the closed position of the movable contact assembly with the static contact assembly. However, the button is enabled to return to an initial position under the action of the reaction spring. At this time, through pressing the button, the contacts of the switch are prevented from being temporarily disconnected. The earth leakage protection switch is obviously characterized in that no matter the switch is switched on or switched off, the button of the switch is kept unchanged in residence position.
Description
Technical field
The utility model relates to appliance switch and the socket of the relevant earth leakage protective aspect in electrical engineering and electric apparatus field, particularly relates to the earth leakage protective of the mobile jack with creepage protection function, the plug with creepage protection function, electric heating appliance and the switch on wall with creepage protection function.
Background technology
At present, leakage protecting plug on market, earth leakage protective wall socket, the patchplug with creepage protection function, portable leakage protecting plug, movable earth leakage protection socket etc., all to utilize button down to press itself and snap close are locked, simultaneously, make button spring energy storage, when pressing after the power release of button, button makes contact closure by snap close and other mechanism's parts under the counter-force effect of button spring; In the time receiving trip signal, release makes to trip between button and snap close, and button, in the effect spring-go position next time of button spring, also disconnects between moving contact and fixed contact thereupon.
This series products brings the unfavorable condition of several respects to I haven't seen you for ages, and the one, required operating physical force is larger, is inconvenient to use.The 2nd, if press button at closure state, contact there will be interim disconnection phenomenon, if button is pressed or withstood by other things, and just to a specific position, at this moment, switch contact just there will be the phenomenon of desultory connection and disjunction, and this phenomenon is prone to contact burning and even causes leading-out terminal device damage; Having a strong impact on Electrical Safety.
Summary of the invention
In view of the above-mentioned defect of this class device for switching, the utility model provides a kind of scheme, and it has: compact conformation, the advantages such as the fault current unique, volume is little, stable and reliable for performance, energy disjunction is larger.
The scheme of the utility model earth leakage circuit-breaker is: a kind of earth leakage circuit-breaker, has: support, snap close, tripping, button, slide plate, moving contact component, static contact component, touch spring, reaction spring, cover plate, release assembly etc.
It is characterized in that: described tripping has special structure, in tripping, be provided with elongate slots one, by the fastening between elongate slots and snap close, tripping can be locked on the position that makes switch contact closure; Also be provided with the slotted eye of one flat in the centre of tripping; Be used for installing slide plate, longitudinal middle part of tripping is also provided with a tunnel that can slide for button easy on and off; The right and left of tripping is respectively provided with a projection, and this projection can be used for being delivered on the moving contact component of earth leakage circuit-breaker from the pressure of button.Described slide plate is a kind of " 7 " character form structure, is provided with a square opening at the position sidewards of slide plate, is provided with the narrow groove of a strip at endways position; One end of slide plate is installed in a sector in the middle of tripping, and can in this sector, be free to slide front and back; The opening part of slide plate, in the time exiting, can make the tunnel in tripping unobstructed; And in the time that slide plate is deep in tripping, slide plate can hinder the unobstructed of tunnel, thereby can stop button to continue to move downward, slide plate exits and can make button can continue to move downward; The narrow groove of strip of one end that slide plate is endways is inserted in the work nest of the moving iron core in release assembly, like this, is unlikely to passive iron core on the one hand and blocks in the time that slide plate moves downward together along with slide block.On the other hand, in the time that release moves, can pull open slide plate simultaneously.
Described snap close, tripping, moving contact component, static contact component, touch spring, reaction spring, cover plate, release assembly are all arranged on a support; In the time of initial condition, slide plate is subject to the impetus of the moving iron core in release assembly, in depth be inserted in the sector of tripping, at this moment, if button down moves, because blocked by slide plate, button moves down drive tripping together with moving contact component, in the time that the position of tripping moves to the position of moving contact component and static contact component closure, latch under the promotion of the moving iron core in release assembly and slip in the sector in tripping, tripping and moving contact component are locked in to corresponding position, and switch completes closed procedure; Now, if release-push, button can move up under the effect of reaction spring, gets back to initial position; But tripping and moving contact component are but locked by snap close, can not get back to initial position with button.Now, if press button, contact can not produce the phenomenon of interim disconnection again.If but snap close is pulled open and makes to trip between snap close and tripping, tripping will upwards resilience under the effect of touch spring and moving contact component, gets back to initial position; Switch has just completed opening operation like this.This earth leakage circuit-breaker has a very significantly feature, is exactly the invariant position that the button of shift knob in the time of switch closed condition and off-state stops.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment earth leakage circuit-breaker;
Fig. 2 is that the utility model embodiment earth leakage circuit-breaker is removed the structural perspective after cover plate.
Fig. 3 is the stereogram of the utility model embodiment tripping
Fig. 4 is the stereogram of the utility model embodiment slide plate
In figure, the title of parts shown in mark is as follows:
1 support, 2 snap closes, 3 trippings, 301 elongate slots, 302 flat slotted eyes, 303 tunnels, 304 projections, 4 buttons, 5 slide plates, 501 square aperture, the narrow groove of 502 strip, 6 moving contact components, 7 static contact components, 8 touch springs, 9 reaction springs, 10 cover plates, 11 release assemblies, 1101 moving iron cores.
Embodiment
The earth leakage circuit-breaker structure of the utility model embodiment is as Fig. 1; a kind of earth leakage circuit-breaker, has: support 1, snap close 2, tripping 3, button 4, slide plate 5, moving contact component 6, static contact component 7, touch spring 8, reaction spring 9, cover plate 10, release assembly 11.
It is characterized in that: described tripping 3 has special structure, in tripping 3, be provided with the elongate slots 301 fastening for snap close 2 for one, by the fastening between elongate slots 301 and snap close 2, on position tripping 3 can be locked in to moving contact component 6 with static contact component 7 closure time; Also be provided with flat slotted eye 302 one in the centre of tripping 3; Be used for installing slide plate 5, longitudinal middle part of tripping 3 is also provided with a tunnel 303 that can slide for button 4 easy on and off; The right and left of tripping 3 is respectively provided with a projection 304, and this projection 304 can be used for being delivered on the moving contact component 6 of earth leakage circuit-breaker from the pressure of button 4.Described slide plate 5 is a kind of " 7 " character form structures, is provided with a square aperture 501 at the position sidewards of slide plate 5, is provided with a narrow groove 502 of strip at endways position; One end of slide plate 5 is installed in a flat slotted eye 302 in the middle of tripping 3, and can in this flat slotted eye 302, be free to slide front and back; The square aperture 501 of slide plate 5 can make the tunnel 303 in tripping 3 unobstructed in the time exiting, and in the time that slide plate 5 is deep in tripping 3, slide plate 5 can hinder the unobstructed of tunnel 303, thereby can stop button 4 to continue to move downward, but slide plate 5 exits and can make button 4 can continue to move downward; The narrow groove 502 of strip of one end that slide plate 5 is endways is inserted in the work nest of moving unshakable in one's determination 1101 in release assembly 11, like this, is unlikely to passive unshakable in one's determination 1101 on the one hand and blocks in the time that slide plate 5 moves downward together along with tripping 3.On the other hand, in the time that release assembly 11 moves, can pull open slide plate 5 simultaneously.
Described snap close 2, tripping 3, moving contact component 6, static contact component 7, touch spring 8, reaction spring 9, cover plate 10, release assembly 11 are all arranged on support 1, in the time of initial condition, slide plate 5 is subject to the impetus of moving unshakable in one's determination 1101 in release assembly 11, in depth be inserted in the flat slotted eye 302 of tripping 3, at this moment, move down if button 4 is stressed, because blocked by slide plate 5, button 4 moves down drive tripping 3 together with moving contact component 6, in the time that the position of tripping 3 moves to the position of moving contact component 6 and static contact component 7 closures, under moving unshakable in one's determination 1101 the promotion of snap close 2 in release assembly 11, slip in the flat slotted eye 302 in tripping 3, tripping 3 and moving contact component 6 are locked in to this position, switch completes closed procedure, now, if the suffered power of button 4 discharges, button 4 can move up under the effect of reaction spring 9, gets back to initial position, but tripping 3 and moving contact component 6 are but locked by snap close 2, can not move up with button 4.Now, if apply external force, press button 4, moving contact component 6 can not produce the phenomenon of interim disconnection again.If but snap close 2 is pulled open and makes to trip between snap close 2 and tripping 3, tripping 3 will be under the effect of touch spring 8 and moving contact component 6 together with upwards resilience, get back to initial position; Switch has just completed opening operation like this.
This earth leakage circuit-breaker has a very significantly feature, be exactly switch in the time of closure state and off-state, the invariant position that button 4 stops.
Claims (2)
1. an earth leakage circuit-breaker, has: support (1), snap close (2), tripping (3), button (4), slide plate (5), moving contact component (6), static contact component (7), touch spring (8), reaction spring (9), cover plate (10), release assembly (11);
It is characterized in that: described tripping (3) has special structure, in tripping (3), be provided with the elongate slots (301) fastening for snap close (2) for one, by the fastening between elongate slots (301) and snap close (2), tripping (3) can be locked on the position that moving contact component (6) and static contact component (7) are closed; Also be provided with one flat slotted eye (302) in the centre of tripping (3); Be used for installing slide plate (5), longitudinal middle part of tripping (3) is also provided with a tunnel (303) that can supply button (4) easy on and off to slide; The right and left of tripping (3) is respectively provided with a projection (304), and this projection (304) can be used for being delivered to from the pressure of button (4) on the moving contact component (6) of earth leakage circuit-breaker;
One end of described slide plate (5) is arranged in the flat slotted eye (302) in the middle of tripping (3), and can in this flat slotted eye (302), be free to slide front and back; The narrow groove of strip (502) of one end that slide plate (5) is endways is inserted in the work nest of the moving iron core (1101) in release assembly (11);
Described snap close (2), tripping (3), moving contact component (6), static contact component (7), touch spring (8), reaction spring (9), cover plate (10), release assembly (11) are all arranged on support (1);
When stressed the moving down of button (4), to drive tripping (3) and moving contact component (6) to move down together, in the time that the position of the flat slotted eye (302) in tripping (3) moves to the position of snap close (2), tripping (3) and moving contact component (6) are locked in corresponding position by snap close (2); Now, if button (4) discharges, button (4) is got back to initial position under the effect of reaction spring (9); But tripping (3) but, by snap close (2) locking, can not move up with button (4); Now, if again press button (4), moving contact component (6) can not produce the phenomenon of interim disconnection.
2. earth leakage circuit-breaker according to claim 1, it is characterized in that: described tripping (3) has special structure, in tripping (3), be provided with one elongate slots (301), the centre of tripping (3) is also provided with one flat slotted eye (302); Longitudinal middle part of tripping (3) is also provided with a tunnel (303); The right and left of tripping (3) is respectively provided with a projection (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858959.XU CN203706976U (en) | 2013-12-24 | 2013-12-24 | Earth leakage protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858959.XU CN203706976U (en) | 2013-12-24 | 2013-12-24 | Earth leakage protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706976U true CN203706976U (en) | 2014-07-09 |
Family
ID=51057376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320858959.XU Expired - Lifetime CN203706976U (en) | 2013-12-24 | 2013-12-24 | Earth leakage protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706976U (en) |
-
2013
- 2013-12-24 CN CN201320858959.XU patent/CN203706976U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |