CN103956619B - A kind of safety plug with switch - Google Patents
A kind of safety plug with switch Download PDFInfo
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- CN103956619B CN103956619B CN201410221149.2A CN201410221149A CN103956619B CN 103956619 B CN103956619 B CN 103956619B CN 201410221149 A CN201410221149 A CN 201410221149A CN 103956619 B CN103956619 B CN 103956619B
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Abstract
The invention provides a kind of safety plug with switch; including the conductive plug for butt-joint socket, for connecting the binding post of power line, for fixing described conductive plug and the insulation shell of described binding post and for the electric on and off switch of break-make plug inside, it is characterised in that: be provided with between described conductive plug and described binding post for under-voltage and short-circuit time disconnecting circuit safety guard.The present invention provides a kind of safety plug with switch that can protect electrical equipment with switch in voltage instability timing automatic trip.
Description
Technical field
The present invention relates to plugs and sockets field, be specifically related to a kind of safety plug with switch.
Background technology
The plug of general household electrical appliance or other electrical equipments is all not belt switch, and not making electrical appliance when, plug energising still can make the energy dissipation device within electrical equipment be in quiescent point, and it is not the most the safest for the most i.e. wasting electricity.
And for example, the plug of a kind of belt switch disclosed in the utility application of the application publication number number of being CN 102044807 A.It includes connector assembly and the termination being located on connector assembly, described connector assembly be equiped with a switching device away from one end, termination, power line is connected with switching device, is then connected with termination, and this switching device is rotary with connector assembly to be connected.When being finished electrical equipment, it is not necessary to pull up connector assembly, due to the many rotatable switches in the rear end of connector assembly, it is channel status time parallel with connector assembly, is then off state time vertical.Although this utility model can play the effect cutting off circuit, but the when of running into spread of voltage there is safety problem in this direct plug.
Summary of the invention
The present invention provides a kind of safety plug with switch that can protect electrical equipment with switch in voltage instability timing automatic trip.
In order to achieve the above object; the present invention adopts the following technical scheme that a kind of safety plug with switch; including the conductive plug for butt-joint socket, for connecting the binding post of power line, for fixing described conductive plug and the insulation shell of described binding post and for the electric on and off switch of break-make plug inside, it is characterised in that: be provided with between described conductive plug and described binding post for under-voltage and short-circuit time disconnecting circuit safety guard.
Preferred as one, described safety guard includes for closing, the protection of disconnecting circuit switchs, for controlling the break-make latch hook of described protection switch on and off and for controlling the short-circuit low-voltage device of described break-make latch hook action；What described protection switch was arranged on the extension wire of described conductive plug and described binding post prolongs between raw wire, and described break-make latch hook switchs hasp with described protection and is connected, and described short-circuit low-voltage device is arranged on the side of described break-make latch hook.
Preferred as one; the end of described protection switch is provided with the contact switch for closing described protection switch; described contact switch exposes described insulation shell; the end of described protection switch is additionally provided with the back-moving spring for pulling open described protection switch, and described back-moving spring is fixing with described insulation shell to be connected.
Preferred as one, described short-circuit low-voltage device includes break-make latch hook described in jack-up makes described protection switch off when short circuit short-circuit jacking block, when under-voltage, break-make latch hook described in jack-up makes described protection switch off under-voltage jacking block, the Return spring for the most described short circuit jacking block, the pull-up spring for jacking block under-voltage described in pull-up, inhale for the work when short circuit and the short-circuit armature of described short circuit jacking block and the under-voltage armature for the release described short circuit jacking block that quits work when under-voltage；Described short-circuit jacking block and described under-voltage jacking block rotate and are arranged on inside described insulation shell, one end of described short-circuit jacking block is provided with described Return spring, the other end is provided with described short-circuit armature, one end of described under-voltage jacking block is provided with described pull-up spring, and the other end is provided with described under-voltage armature.
Preferred as one, described break-make latch hook is rotationally connected with described insulation shell.
Preferred as one, described short-circuit armature is arranged in series between described protection switch and described binding post.
Preferred as one, described under-voltage armature is arranged in parallel between described protection switch and described conductive plug.
Preferred as one, described on and off switch is arranged in series between described protection switch and described binding post.
Preferred as one, described on and off switch is self-lock switch.
Preferred as one, the wall thickness of described insulation shell is 2mm ~ 3mm.
To sum up, the invention have the advantages that
1, the present invention be provided with between described conductive plug and described binding post for under-voltage and short-circuit time disconnecting circuit safety guard.Thus can play a protective role circuit occurs unstable when, even occurring that the over-current phenomenon avoidance of danger also can play a protective role by automatic shutoff circuit when on and off switch described in An Ya.
2, the wall thickness of the preferred described insulation shell of the present invention is 2mm ~ 3mm.Human body is damaged by the insulation crust that so insulation wall of thickness can effectively prevent the voltage pulsation of 198V ~ 298V from penetrating plug.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention；
In figure, label is as follows:
1-conductive plug, 2-binding post, 3-insulation shell, 4-on and off switch, 5-safety guard, 51-protection switch, 52-break-make latch hook, 53-short circuit low-voltage device, 511-contact switch, 512-back-moving spring, 531-short circuit jacking block, 532-is under-voltage jacking block, 533-Return spring, 534-pull-up spring, 535-short circuit armature, 536-is under-voltage armature.
Detailed description of the invention
With embodiment, the invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1; the embodiment of the present invention includes the conductive plug 1 for butt-joint socket, for connecting the binding post 2 of power line, for fixing the insulation shell 3 of conductive plug 1 and binding post 2 and for the electric on and off switch 4 of break-make plug inside, be provided with between conductive plug 1 and binding post 2 for under-voltage and short-circuit time disconnecting circuit safety guard 5.On and off switch 4 is arranged in series between protection switch 51 and binding post 2.On and off switch 4 is self-lock switch.The wall thickness of insulation shell 3 is 3mm.
As shown in Figure 1; safety guard 5 in the present embodiment includes for closing, disconnecting circuit protection switch 51, for control protection switch 51 break-makes break-make latch hook 52 and for controlling the short-circuit low-voltage device 53 of break-make latch hook 52 action, break-make latch hook 52 is rotationally connected with insulation shell 3.What protection switch 51 was arranged on the extension wires of conductive plug 1 and binding post 2 prolongs between raw wire, and break-make latch hook 52 is connected with protection switch 51 hasps, and short-circuit low-voltage device 53 is arranged on the side of break-make latch hook 52.
As shown in Figure 1; the end of protection switch 51 is provided with the contact switch 511 for closing protection switch 51; contact switch 511 exposes insulation shell 3, and the end of protection switch 51 is additionally provided with the back-moving spring 512 for pulling open protection switch 51, and back-moving spring 512 is fixing with insulation shell 3 to be connected.Short circuit low-voltage device 53 includes that when short circuit jack-up break-make latch hook 52 makes the short-circuit jacking blocks 531 of protection switch 51 disconnection, jack-up break-make latch hook 52 makes the under-voltage jacking blocks 532 of protection switch 51 disconnection, the Return spring 533 for short circuit jacking block 531 back and forth, the pull-up spring 534 for the under-voltage jacking block of pull-up 532, inhales for the work when short circuit and the short-circuit armature 535 of short circuit jacking block 531 and the under-voltage armature 536 for the release short circuit jacking block 532 that quits work when under-voltage when under-voltage；Short circuit jacking block 531 and under-voltage jacking block 532 rotate and are arranged on inside insulation shell 3, one end of short circuit jacking block 531 is provided with Return spring 533, the other end is provided with short circuit armature 535, and one end of under-voltage jacking block 532 is provided with pull-up spring 534, and the other end is provided with under-voltage armature 536.Short circuit armature 535 is arranged in series between protection switch 51 and binding post 2.Under-voltage armature 536 is arranged in parallel between protection switch 51 and conductive plug 1.
The embodiment of the present invention is in use, it is only necessary to received on binding post 2 by the power line of electrical equipment.In use have only to press on and off switch 4 and make closing of circuit.
After on and off switch 4 Guan Bi of the embodiment of the present invention; if there is short circuit in circuit; then the voltage of short circuit armature 535 can drop to below running voltage; now suction and the power of under-voltage jacking block 532 are risen on the pulling force of spring 533 by short circuit armature 535; now short circuit jacking block 531 will jack-up break-make latch hook 52; clearance hook lock 52 is released protection switch 51 after jack-up, protection switch disconnects with circuit, serves the effect of protection electrical equipment；If circuit occurs under-voltage; the voltage of the most under-voltage armature 536 can drop to below running voltage; suction and the power of under-voltage jacking block 532 are dropped under the pulling force of pull-up spring 534 by the most under-voltage armature 536; the now under-voltage jacking block pull-up 532 of 534, pull-up spring; the most under-voltage jacking block 532 will jack-up break-make latch hook 52; clearance hook lock 52 is released protection switch 51 after jack-up, protection switch disconnects with circuit, serves the effect of protection electrical equipment.
Described above is only explanation of the invention, those of ordinary skill in the art's can completely is made to implement this programme, but it is not limitation of the present invention, the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, and these are all the most creative amendments.But as long as all being protected by Patent Law in scope of the presently claimed invention.
Claims (9)
1. the safety plug with switch; including the conductive plug (1) for butt-joint socket, for connecting the binding post (2) of power line, being used for fixing the insulation shell (3) of described conductive plug (1) and described binding post (2) and be used for the electric on and off switch (4) of break-make plug inside, it is characterised in that: be provided with between described conductive plug (1) and described binding post (2) for under-voltage and short-circuit time disconnecting circuit safety guard (5)；Described safety guard (5) includes for closing, the protection of disconnecting circuit switchs (51), is used for controlling the break-make latch hook (52) of described protection switch (51) break-make and being used for controlling the short-circuit low-voltage device (53) of described break-make latch hook (52) action；What described protection switch (51) was arranged on the extension wire of described conductive plug (1) and described binding post (2) prolongs between raw wire; described break-make latch hook (52) is connected with described protection switch (51) hasp, and described short-circuit low-voltage device (53) is arranged on the side of described break-make latch hook (52).
A kind of safety plug with switch the most according to claim 1; it is characterized in that: the end of described protection switch (51) is provided with the contact switch (511) for closing described protection switch (51); described contact switch (511) exposes described insulation shell (3); the end of described protection switch (51) is additionally provided with the back-moving spring (512) for pulling open described protection switch (51), and described back-moving spring (512) is fixing with described insulation shell (3) to be connected.
A kind of safety plug with switch the most according to claim 1, it is characterized in that: described short-circuit low-voltage device (53) includes that break-make latch hook (52) described in jack-up makes the short-circuit jacking block (531) that described protection switch (51) disconnects when short circuit, when under-voltage, break-make latch hook (52) described in jack-up makes the under-voltage jacking block (532) that described protection switch (51) disconnects, Return spring (533) for the most described short circuit jacking block (531), pull-up spring (534) for jacking block (532) under-voltage described in pull-up, the short-circuit armature (535) with described short circuit jacking block (531) and the under-voltage armature (536) for the release described short circuit jacking block (532) that quits work when under-voltage is inhaled for the work when short circuit；Described short-circuit jacking block (531) and described under-voltage jacking block (532) rotate and are arranged on described insulation shell (3) inner side, one end of described short-circuit jacking block (531) is provided with described Return spring (533), the other end is provided with described short-circuit armature (535), one end of described under-voltage jacking block (532) is provided with described pull-up spring (534), and the other end is provided with described under-voltage armature (536).
A kind of safety plug with switch the most according to claim 1, it is characterised in that: described break-make latch hook (52) is rotationally connected with described insulation shell (3).
A kind of safety plug with switch the most according to claim 3, it is characterised in that: described short-circuit armature (535) is arranged in series between described protection switch (51) and described binding post (2).
A kind of safety plug with switch the most according to claim 3, it is characterised in that: described under-voltage armature (536) is arranged in parallel between described protection switch (51) and described conductive plug (1).
A kind of safety plug with switch the most according to claim 1, it is characterised in that: described on and off switch (4) is arranged in series between described protection switch (51) and described binding post (2).
A kind of safety plug with switch the most according to claim 1, it is characterised in that: described on and off switch (4) is self-lock switch.
A kind of safety plug with switch the most according to claim 1, it is characterised in that: the wall thickness of described insulation shell (3) is 2mm ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221149.2A CN103956619B (en) | 2014-05-23 | 2014-05-23 | A kind of safety plug with switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221149.2A CN103956619B (en) | 2014-05-23 | 2014-05-23 | A kind of safety plug with switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103956619A CN103956619A (en) | 2014-07-30 |
| CN103956619B true CN103956619B (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410221149.2A Active CN103956619B (en) | 2014-05-23 | 2014-05-23 | A kind of safety plug with switch |
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| Country | Link |
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| CN (1) | CN103956619B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9893455B1 (en) | 2016-11-01 | 2018-02-13 | International Business Machines Corporation | Electrical arc protection using a trip contact |
| US9853400B1 (en) | 2016-11-01 | 2017-12-26 | International Business Machines Corporation | Electrical arc protection using a trip jumper |
| US10122123B1 (en) | 2017-07-07 | 2018-11-06 | International Business Machines Corporation | Electrical arc protection using a rotational shield |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070041U (en) * | 1989-04-23 | 1991-01-23 | 张福北 | Muti-function plug and socket-type protector for electrial appliances |
| JP3157518U (en) * | 2009-12-07 | 2010-02-18 | 劉 佑瑜 | electrical plug |
| CN203056283U (en) * | 2013-01-24 | 2013-07-10 | 杨涵 | Safe socket with current overload protection |
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2014
- 2014-05-23 CN CN201410221149.2A patent/CN103956619B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103956619A (en) | 2014-07-30 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xiaogang Inventor after: Tian Weizhan Inventor after: Song Chunqin Inventor after: Wang Bo Inventor after: Liu Jianjun Inventor after: Fan Ling Inventor after: Han Xiangyu Inventor after: Zou Ying Inventor after: Shi Xiaoming Inventor after: Wang Fahe Inventor after: Li Xin Inventor after: Dong Yanfeng Inventor after: Hu Chengjun Inventor before: Shen Minhui |
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Effective date of registration: 20160927 Address after: 274032 north of Zhonghua East Road, Heze City, Shandong province (opposite bank of China) Applicant after: Heze Power Supply Company, State Grid Shandong Electric Power Co., Ltd. Applicant after: CHENGWU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD. Address before: 313000 Zhejiang Province, Huzhou city Wuxing District Township Temple Temple Bang Cun Quan Department of the 3 Group No. 105 Applicant before: Shen Minhui |
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Effective date of registration: 20181214 Address after: 226200 Jiangsu province Nantong city Qidong City Huilong town Shi Qing village Patentee after: Qidong clear fruit and vegetable land shares cooperatives Address before: 274032 north side of Zhonghua East Road, Heze, Shandong (opposite bank of China) Co-patentee before: CHENGWU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD. Patentee before: Heze Power Supply Company, State Grid Shandong Electric Power Co., Ltd. |