CN208908207U - A kind of earth leakage protective device - Google Patents
A kind of earth leakage protective device Download PDFInfo
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- CN208908207U CN208908207U CN201821529971.5U CN201821529971U CN208908207U CN 208908207 U CN208908207 U CN 208908207U CN 201821529971 U CN201821529971 U CN 201821529971U CN 208908207 U CN208908207 U CN 208908207U
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- briquetting
- elastic slice
- earth leakage
- leakage protective
- protective device
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Abstract
The utility model discloses a kind of earth leakage protective devices, are related to electrical equipment protection technique field, comprising: protector, bottom plate and elastic slice, protector setting are additionally provided with electric connection contacts on bottom plate top, bottom plate；Protector includes broken circuit control device, communication apparatus and locking device, and locking device is arranged between broken circuit control device and communication apparatus；Locking device includes elastic slice briquetting and locking driving lever；Elastic slice briquetting includes briquetting top and briquetting lower part, and briquetting top is equipped with hasp and perpendicular fork pockets, and briquetting lower part is equipped with compression bar, and briquetting top is hinged by the first pin shaft with briquetting lower part, and the briquetting spring of compressive state is equipped between briquetting top and briquetting lower part；The utility model can make the compression bar of briquetting lower part apply stable pressing force to elastic slice by using briquetting spring, and after the subsequent use generation mechanical wear due to long-time, it can also guarantee pressing force of the compression bar to elastic slice of briquetting lower part by the elastic force of briquetting spring.
Description
Technical field
The utility model relates to electrical equipment protection technique field, especially a kind of earth leakage protective device.
Background technique
Earth leakage protective device equipment occur leak current fault or need to have fatal risk the person electric shock protect when,
Main line can be disconnected in time, to be widely used；Earth leakage protective device is primarily used to that electric leakage event occurs in equipment
Personal electrical shock protection when barrier and to there is fatal risk has overload and short-circuit protection function, can be used to protection circuit or electricity
The overload and short circuit of motivation can be also used as the infrequently conversion starting of route under normal circumstances；Existing earth leakage protective
Device has that service life is shorter since machine components are worn.
A kind of electric leakage with automatic power and power down function as disclosed in 106057593 A of Chinese invention patent CN
Protector, including shell and the pin, elastic slice and self-locking device that are respectively positioned on enclosure interior；Pin and elastic slice are respectively arranged with can
The pin contact being mutually closed and shrapnel contact；Self-locking device includes the hinged crosspiece block of pin base, with tripping relay
Tripping seat, with tripping relay reset seat and with the hinged self-lock rod of tripping seat.When power is restored, tripping after
The reset push rod control crosspiece block of electric appliance rotate counterclockwise relative to pin base make lower pressure side push elastic slice and by shrapnel contact and
The contact of pin contact is powered with realizing；When power cut-off, the tripping push rod control self-lock rod of tripping relay is relative to tripping
Seat makes to lock when notch is detached from locking end to release to lock along pointer rotation limits the activity of lower pressure side, shrapnel contact
With pin contact separation to realize power-off；The earth leakage protective device of the patent of invention is deposited shakes larger problem during the work time,
Effectively the vibration in the course of work cannot be eliminated, influence the earth leakage protective device service life.
Utility model content
One, technical problems to be solved
The utility model provides a kind of earth leakage protective device for drawbacks described above present in the prior art, solves existing
Earth leakage protective device since mechanical structure portion is prone to wear, so as to cause elastic slice and pin be closed problem not in place, also solve
The shorter problem of earth leakage protective device service life caused by existing earth leakage protective device of having determined is prone to wear because of mechanical structure portion.
Two, technical solution
In order to solve the above technical problems, the utility model provides a kind of earth leakage protective device, comprising: protector, bottom plate
And elastic slice, on bottom plate top, protector controls the disconnection and closure of earth leakage protective device for protector setting, goes back on bottom plate
Equipped with electric connection contacts；
Protector includes broken circuit control device, communication apparatus and locking device, and locking device setting is controlled in open circuit
Between device and communication apparatus, locking device is used to control the disconnection and closure of elastic slice and electric connection contacts；
Locking device includes elastic slice briquetting and locking driving lever, and locking driving lever is filled by the second pin shaft and setting in open circuit control
The second support set is movably hinged, the first support activity that elastic slice briquetting passes through position between the first pin shaft and setting in the soleplate
Hingedly；It locks driving lever and is equipped with lock and horizontal fork pockets；
Elastic slice briquetting includes briquetting top and briquetting lower part, and briquetting top is equipped with hasp and perpendicular fork pockets, on briquetting lower part
Equipped with compression bar, briquetting top is hinged by the first pin shaft with briquetting lower part, and compression shape is equipped between briquetting top and briquetting lower part
The briquetting spring of state, when compression bar is in elastic slice abuts state, the elastic force of briquetting spring may make compression bar to keep steady to elastic slice
It is set for firmly, hasp is abutted with snap fit；
Communication apparatus is equipped with the second iron core crossed out, and the second iron core and perpendicular fork pockets are engaged by clamping；Open circuit control dress
It sets and is equipped with the first longitudinally projecting iron core, the first iron core and horizontal fork pockets are engaged by clamping.
Wherein, it is equipped with hinged seat at briquetting top and briquetting lower hinge, the first pin shaft is arranged in hinged seat, hinged seat
On be additionally provided with limited block (12), limited block (12) is for controlling between briquetting top and briquetting lower part using the first pin shaft as axis
The subtended angle when heart rotates.
Wherein, hinged seat is equipped with pre- articulated mounting, and pre- articulated mounting includes boss and clamping groove, and boss is located at briquetting
The hinged place on top, clamping groove are located at briquetting lower hinge, by the cooperation of boss and clamping groove, realize briquetting top
It is pre- hinged with briquetting lower part.
Wherein, hinged seat is equipped with pre- articulated mounting, and pre- articulated mounting includes boss and clamping groove, and clamping groove is located at
The hinged place on briquetting top, boss are located at briquetting lower hinge, by the cooperation of boss and clamping groove, realize briquetting top
It is pre- hinged with briquetting lower part.
Wherein, earth leakage protective device further includes pin, and pin is arranged in bottom plate lower part, and electric connection contacts are fixed on pin top
Portion.
Wherein, the position of briquetting top briquetting spring corresponding with briquetting lower part is designed with spring groove, and spring groove is for installing
Briquetting spring.
Wherein, spring stack is additionally provided in spring groove, spring stack is for installing briquetting spring.
Wherein, elastic slice end is equipped with shrapnel contact corresponding with electric connection contacts.
Wherein, elastic slice includes the first elastic slice, the second elastic slice and PE line elastic slice, and the first elastic slice and the second elastic slice are existed by setting
The elastic slice card slot of broken circuit control device two sides is fixed, and PE line elastic slice passes through broken circuit control device bottom and controlled by bottom plate and open circuit
Device is fixedly clamped；When compression bar depresses elastic slice, shrapnel contact is in contact with electric connection contacts, the first elastic slice, the second elastic slice
It can be disconnected with electric connection contacts with the shrapnel contact on PE line elastic slice.
Wherein, elastic slice includes the first elastic slice and the second elastic slice, and the first elastic slice and the second elastic slice are controlled by setting in open circuit
The elastic slice card slot of device two sides is fixed；When compression bar depresses elastic slice, shrapnel contact is in contact with electric connection contacts；First elastic slice
It can be disconnected with electric connection contacts with the shrapnel contact on the second elastic slice, PE line can not be disconnected and be remained up.
Three, beneficial effect
Compared with prior art, a kind of earth leakage protective device provided by the utility model, by using briquetting top and briquetting
Lower part combines to form elastic slice briquetting in such a way that briquetting spring connects, so that elastic slice briquetting does not exist during compressing elastic slice
The mechanical structure for relying solely on fixed limit carries out, and the compression bar of briquetting lower part can be made to apply elastic slice by using briquetting spring
Stable pressing force, and after the subsequent use generation mechanical wear due to long-time, the elastic force of briquetting spring can also be passed through
So that subtended angle when being rotated using the first pin shaft as axle center between briquetting top and briquetting lower part becomes larger, to guarantee briquetting lower part
Compression bar is to the pressing force of elastic slice, so that electrical connection is reliable and stable in earth leakage protective device.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model earth leakage protective device；
Fig. 2 is the perspective view 1 of the utility model earth leakage protective device elastic slice briquetting；
Fig. 3 is the perspective view 2 of the utility model earth leakage protective device elastic slice briquetting；
In figure: 1 is electric connection contacts；3 be pin；4 be bottom plate；5 be elastic slice；6 be broken circuit control device；7 be connection dress
It sets；8 be locking device；8a is elastic slice briquetting；8b is locking driving lever；8c is briquetting top；8d is briquetting lower part；9 be briquetting bullet
Spring；10 be boss；11 be clamping groove；12 be limited block；21 be the first pin shaft；22 be compression bar；23 be perpendicular fork pockets；24 be to take
Button；31 be the second pin shaft；33 be lock；34 be horizontal fork pockets；41 be PE line elastic slice；42 be elastic slice card slot；43 be the first support；61
For shrapnel contact；62 be the first iron core；63 be the second iron core；64 be the second support.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment cannot be used to limit the scope of the utility model for illustrating the utility model.
Embodiment 1:
A kind of earth leakage protective device of the utility model embodiment, as shown in Figure 1, Figure 2 and Figure 3, comprising: protector,
Bottom plate 4 and elastic slice 5, protector setting control the disconnection and closure of earth leakage protective device in 4 top of bottom plate, protector,
Electric connection contacts 1 are additionally provided on bottom plate 4；
Protector includes broken circuit control device 6, communication apparatus 7 and locking device 8, and locking device 8 is arranged in open circuit
Between control device 6 and communication apparatus 7, locking device 8 is used to control the disconnection and closure of elastic slice 5 Yu electric connection contacts 1；
Locking device 8 includes that elastic slice briquetting 8a and locking driving lever 8b, locking driving lever 8b are existed by the second pin shaft 31 with setting
The second support 64 on broken circuit control device 6 is movably hinged, and elastic slice briquetting 8a is by the first pin shaft 21 and is arranged among bottom plate 4
First support 43 of position is movably hinged；It locks driving lever 8b and is equipped with lock 33 and horizontal fork pockets 34；
Elastic slice briquetting 8a includes briquetting top 8c and briquetting lower part 8d, and briquetting top 8c is equipped with hasp 24 and perpendicular fork pockets
23, briquetting lower part 8d are equipped with compression bar 22, and briquetting top 8c and briquetting lower part 8d are hinged by the first pin shaft 21, briquetting top with
The briquetting spring 9 of compressive state is equipped between briquetting lower part, when compression bar 22 and elastic slice 5 in abut state when, i.e. circuit communication
When state, the elastic force of briquetting spring may make compression bar 22 to keep stabilising force to elastic slice 5, and hasp 24 is supported with 33 cooperation of lock
It connects, also, according to the different demands of client, the position of the first support 43 and the second support 64 can be adjusted；
Communication apparatus 7 is equipped with the second iron core 63 crossed out, and the second iron core 63 is engaged by clamping with perpendicular fork pockets 23；Open circuit
Control device 6 is equipped with the first longitudinally projecting iron core 62, and the first iron core 62 is engaged by clamping with horizontal fork pockets 34.
As shown in Figures 2 and 3, it is respectively equipped with hinged seat at briquetting top and briquetting lower hinge, the first pin shaft 21 is worn
In hinged seat, to realize that briquetting top and briquetting lower part can be rotated around the first pin shaft 21, limit is additionally provided on hinged seat
Position block 12, when limited block 12 is rotated for controlling between briquetting top 8c and briquetting lower part 8d with the first pin shaft 21 for axle center
Subtended angle, i.e., so that the angle that rotates around the first pin shaft 21 of briquetting top 8c and briquetting lower part 8d within limits, simultaneously
The design can also make elastic slice briquetting 8a after finishing assembly will not because the elastic force of briquetting spring 9 act on and make its assemble after from
It is dynamic to disintegrate, it can briquetting top 8c and briquetting lower part 8d are limited.
On briquetting top, the position of briquetting spring 9 corresponding with briquetting lower part is designed with spring groove, and spring groove is for installing pressure
Block spring 9, while also can guarantee that briquetting spring will not fall off, simpler convenience is installed, further in spring groove also
Equipped with spring stack, for installing briquetting spring 9, briquetting spring 9 is sleeved on spring stack spring stack, reinforces installation fixed effect.
Earth leakage protective device further includes pin 3, and pin 3 is arranged in 4 lower part of bottom plate, and electric connection contacts 1 are fixed on the top of pin 3
Portion, 5 end of elastic slice are equipped with shrapnel contact 61 corresponding with electric connection contacts 1.
As shown in Figure 1, broken circuit control device 6 and 7 bottom of communication apparatus are designed with the button foot of wedge shape, broken circuit control device 6
It is fixed respectively by button foot with 4 snapping of bottom plate with communication apparatus 7；Install it is simple and convenient and solid and reliable, can directly benefit
It is opened with mold, reduces production cost.
As shown in Figure 1, elastic slice 5 includes the first elastic slice, the second elastic slice and PE line elastic slice 41, the first elastic slice and the second elastic slice are logical
Cross be arranged in 6 two sides of broken circuit control device elastic slice card slot 42 it is fixed, PE line elastic slice 41 pass through 6 bottom of broken circuit control device and by
Bottom plate 4 is fixedly clamped with broken circuit control device 6, and pin 3 includes zero line pin, live prong and PE line pin, zero line pin, fire
Line pin and PE line pin respectively correspond the first elastic slice, the second elastic slice and PE line elastic slice 41；When compression bar 22 depresses elastic slice 5,
Shrapnel contact 61 is in contact with electric connection contacts 1, and after compression bar 22 lifts, the first elastic slice, the second elastic slice and PE line elastic slice
Shrapnel contact 61 on 41 can be disconnected with electric connection contacts 1.
Embodiment 2:
As shown in figure 3, hinged seat is equipped with pre- articulated mounting, and pre- articulated mounting includes 10 He of boss compared to embodiment 1
Clamping groove 11, boss 10 are located at the hinged place of briquetting top 8c, and clamping groove 11 is located at the briquetting lower part hinged place 8d, by convex
The cooperation of platform 10 and clamping groove 11 realizes that briquetting top 8c's and briquetting lower part 8d is pre- hinged, i.e., is not installing the first pin shaft
In the case where 21, the installment work of elastic slice briquetting 8a can be also completed, while can be further ensured that on briquetting by the design
The alignment of portion 8c and briquetting lower part 8d can reduce abrasion, and the simpler convenience of integral installation.
Embodiment 3:
Compared to embodiment 2, boss 10 is located at the briquetting lower part hinged place 8d, passes through matching for boss 10 and clamping groove 11
It closes, realizes that briquetting top 8c's and briquetting lower part 8d is pre- hinged.
Embodiment 4:
Compared to embodiment 1, elastic slice 5 includes the first elastic slice and the second elastic slice, the first elastic slice and the second elastic slice in embodiment 4
It is fixed by the elastic slice card slot 42 that 6 two sides of broken circuit control device are arranged in；When compression bar 22 depresses elastic slice 5, shrapnel contact 61
It is in contact with electric connection contacts 1；And after compression bar 22 lifts, the shrapnel contact 61 on the first elastic slice and the second elastic slice can be with electricity
Connecting terminal 1 disconnects, and PE line can not disconnect and keep being continuously turned in the present embodiment.
In real work use process, needed for which is accessed in circuit to be protected, when powering on
When, the connection coil in communication apparatus 7 is powered, the second iron core 63 retraction, due to perpendicular on the second iron core 63 and elastic slice briquetting 8a
Fork pockets 23 is clamped, so that band spring plate briquetting 8a rotates counterclockwise when the second iron core 63 bounces back, is located at the bottom elastic slice briquetting 8a
The compression bar 22 in portion pushes elastic slice 5, so that electric connection contacts 1 are contacted with shrapnel contact 61, forms access, while making hasp 24
It is abutted with the formation of lock 33, realizes the self-locking of earth leakage protective device；When need circuit to be protected encounters drain conditions, open circuit dress
6 start-up operations are set, so that the first iron core 62 bounces back, due to the clamping of the first iron core 62 and the horizontal fork pockets 34 on locking driving lever 8b,
So that 33 tripping of hasp 24 and lock, and then compression bar 22 is made to lift simultaneously release elastic sheet 5, it realizes the disconnection of earth leakage protective device, plays
The purpose of protection.
The elastic slice briquetting of the utility model can also be applied to the electric leakage with other similar disconnection and closing structure
Protector, such as a kind of earth leakage protective device of Publication No. CN108109888A.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
Member for, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of earth leakage protective device, which is characterized in that the earth leakage protective device includes: protector, bottom plate (4) and elastic slice
(5), the protector setting is on the bottom plate (4) top, and the protector is for controlling the earth leakage protective device
Disconnection and closure, be additionally provided with electric connection contacts (1) on the bottom plate (4)；
The protector includes broken circuit control device (6), communication apparatus (7) and locking device (8), the locking device
(8) it is arranged between the broken circuit control device (6) and the communication apparatus (7), the locking device (8) is described for controlling
The disconnection and closure of elastic slice (5) and the electric connection contacts (1)；
The locking device (8) includes elastic slice briquetting (8a) and locking driving lever (8b), and the locking driving lever (8b) passes through the second pin
Axis (31) and the second support (64) are movably hinged, and second support (64) is arranged on the broken circuit control device (6), described
First support (43) of the elastic slice briquetting (8a) by the first pin shaft (21) and setting in bottom plate (4) middle position is movably hinged；Institute
It states locking driving lever (8b) and is equipped with lock (33) and horizontal fork pockets (34)；
The elastic slice briquetting (8a) includes briquetting top (8c) and briquetting lower part (8d), and the briquetting top (8c) is equipped with hasp
(24) and perpendicular fork pockets (23), the briquetting lower part (8d) are equipped with compression bar (22), and briquetting top (8c) and briquetting lower part (8d) is logical
It crosses the first pin shaft (21) hingedly, the briquetting spring of compressive state is equipped between the briquetting top (8c) and briquetting lower part (8d)
(9), when the compression bar (22) is in the elastic slice (5) abuts state, the elastic force of the briquetting spring (9) may make described
Compression bar (22) keeps stabilising force to the elastic slice (5), and the hasp (24) is used to abut with the lock (33) cooperation；
The communication apparatus (7) is equipped with the second iron core (63) crossed out, second iron core (63) and the perpendicular fork pockets
(23) it is engaged by clamping；The broken circuit control device (6) is equipped with longitudinally projecting the first iron core (62), first iron core (62)
It is engaged by clamping with the horizontal fork pockets (34).
2. earth leakage protective device as described in claim 1, which is characterized in that the briquetting top (8c) and briquetting lower part (8d) are cut with scissors
It meets place and is equipped with hinged seat, first pin shaft (21) is arranged in the hinged seat, is additionally provided with limited block on the hinged seat
(12), the limited block (12) is for controlling between the briquetting top (8c) and briquetting lower part (8d) with the first pin shaft (21)
Subtended angle when being rotated for axle center.
3. earth leakage protective device as claimed in claim 2, which is characterized in that the hinged seat is equipped with pre- articulated mounting, described
Pre- articulated mounting includes boss (10) and clamping groove (11), and the boss (10) is located at the hinged of the briquetting top (8c)
Place, the clamping groove (11) are located at briquetting lower part (8d) hinged place, pass through the boss (10) and clamping groove (11)
Cooperation, realize that the briquetting top (8c) and briquetting lower part (8d's) is pre- hinged.
4. earth leakage protective device as claimed in claim 2, which is characterized in that the hinged seat is equipped with pre- articulated mounting, described
Pre- articulated mounting includes boss (10) and clamping groove (11), and the clamping groove (11) is located at the hinge of the briquetting top (8c)
Place is met, the boss (10) is located at briquetting lower part (8d) hinged place, passes through the boss (10) and clamping groove (11)
Cooperation realizes that the briquetting top (8c) and briquetting lower part (8d's) is pre- hinged.
5. earth leakage protective device as described in claim 1, which is characterized in that the earth leakage protective device further includes pin (3), described
Pin (3) is arranged in bottom plate (4) lower part, and the electric connection contacts (1) are fixed at the top of the pin (3).
6. earth leakage protective device as described in claim 1, which is characterized in that the briquetting top (8c) and briquetting lower part (8d) are right
The position that briquetting spring (9) should be arranged is designed with spring groove, and the spring groove is for installing the briquetting spring (9).
7. earth leakage protective device as claimed in claim 6, which is characterized in that be additionally provided with spring stack, the bullet in the spring groove
Spring column is for installing the briquetting spring (9).
8. earth leakage protective device as described in claim 1, which is characterized in that elastic slice (5) end is equipped with and electric connection contacts
(1) corresponding shrapnel contact (61).
9. earth leakage protective device as claimed in claim 8, which is characterized in that the elastic slice (5) includes the first elastic slice, the second elastic slice
With PE line elastic slice (41), the elastic slice card slot of first elastic slice and the second elastic slice by setting in broken circuit control device (6) two sides
(42) fixed, the PE line elastic slice (41) passes through broken circuit control device (6) bottom and by the bottom plate (4) and broken circuit control device
(6) it is fixedly clamped；When the compression bar (22) depresses the elastic slice (5), the shrapnel contact (61) contacts with described be electrically connected
Point (1) is in contact, and the shrapnel contact (61) on first elastic slice, the second elastic slice and PE line elastic slice (41) can be electrically connected with described
Contact (1) disconnects.
10. earth leakage protective device as claimed in claim 8, which is characterized in that the elastic slice (5) includes the first elastic slice and the second bullet
The elastic slice card slot (42) of piece, first elastic slice and the second elastic slice by setting in broken circuit control device (6) two sides is fixed；Work as institute
When stating compression bar (22) for the elastic slice (5) pressure, the shrapnel contact (61) is in contact with the electric connection contacts (1)；It is described
Shrapnel contact (61) on first elastic slice and the second elastic slice can be disconnected with the electric connection contacts (1), and PE line can not be disconnected and be protected
Hold connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529971.5U CN208908207U (en) | 2018-09-19 | 2018-09-19 | A kind of earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529971.5U CN208908207U (en) | 2018-09-19 | 2018-09-19 | A kind of earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908207U true CN208908207U (en) | 2019-05-28 |
Family
ID=66613723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821529971.5U Withdrawn - After Issue CN208908207U (en) | 2018-09-19 | 2018-09-19 | A kind of earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208908207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119299A (en) * | 2018-09-19 | 2019-01-01 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
-
2018
- 2018-09-19 CN CN201821529971.5U patent/CN208908207U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119299A (en) * | 2018-09-19 | 2019-01-01 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN109119299B (en) * | 2018-09-19 | 2023-10-20 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190528 Effective date of abandoning: 20231020 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190528 Effective date of abandoning: 20231020 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |