CN107611670B - Protective door assembly based on zero live wire inserting sheet driving - Google Patents
Protective door assembly based on zero live wire inserting sheet driving Download PDFInfo
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- CN107611670B CN107611670B CN201710895774.9A CN201710895774A CN107611670B CN 107611670 B CN107611670 B CN 107611670B CN 201710895774 A CN201710895774 A CN 201710895774A CN 107611670 B CN107611670 B CN 107611670B
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- protection door
- door
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- end protection
- baffle
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- 230000001681 protective effect Effects 0.000 title claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 56
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 abstract description 2
- 230000005404 monopole Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention discloses a protection door component based on zero and fire wire inserting piece driving, which can be commonly used among five-hole sockets in different forms and comprises a five-hole socket surface cover, a left end protection door, a right end protection door and a protection door supporting frame; the left end protection door and the right end protection door are opened by a spring, driving inclined planes are arranged at the front side and the rear side of the left end protection door and the right end protection door, when inserting sheets in the two-pole plug or the three-pole plug are simultaneously inserted into the driving inclined planes in the protection door assembly, the left end protection door and the right end protection door simultaneously slide to the middle to open the protection door, and the inserting sheets in the two-pole plug or the three-pole plug enter a general power socket conductor after passing through the protection door and the protection door supporting frame; the invention realizes that the mechanism for driving the protective door to be opened by taking the zero fire inserting piece as the mechanism for driving the protective door to be opened by taking the grounding electrode inserting piece as the mechanism for driving the protective door to be opened, solves the problem that the monopole inserting piece in the existing market fails to be inserted into the protective door, and effectively blocks a single tiny metal object from being inserted into the electrified inserting sleeve.
Description
Technical Field
The invention belongs to the field of design and manufacture of electrical elements, relates to a novel national standard five-hole power socket protection door, and particularly relates to a protection door assembly based on zero-live wire inserting sheet driving.
Background
The power socket is electric equipment for providing power interface for electric appliances, is also used as a plurality of electric accessories in residential electric design, and has very close relation with life of people. To improve the electrical safety of the socket, a socket safety door is typically provided. Especially in the home, children tend to have strong curiosity for novelty things, and socket accessibility to indoor tentacles may poke the socket with fingers or other hard objects, resulting in electrical shock hazards. The socket protection door is a device specially used for avoiding electric leakage caused by single-stage plug insertion. However, the existing socket safety door has low action reliability, and the jack can be opened when the socket safety door is inserted forcefully, so that an electric leakage accident is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a protective door assembly driven by a zero-live wire inserting piece.
The aim of the invention is realized by the following technical scheme: a protection door assembly based on zero and live wire inserting sheet driving comprises a five-hole socket surface cover, a left end protection door, a right end protection door and a protection door supporting frame; the five-hole socket surface cover is provided with a pair of two-pole and three-pole jacks, and two jacks in the same pair of jacks are used for inserting an L-pole inserting sheet and an N-pole inserting sheet in the same plug; the protection door supporting frame is provided with a through hole corresponding to the jack of the five-hole socket surface cover, and is provided with an upper sliding rail and a lower sliding rail, and a pair of protection door limiting plates extend inwards from two sides of the middle part; the two protection doors are positioned between the five-hole socket surface cover and the protection door supporting frame and mutually matched to slide along opposite directions;
the top and the bottom of the right-end protection door are respectively provided with a two-insertion sliding surface and a three-insertion sliding surface which are used for sliding left and right in the protection door support frame along an upper sliding rail and a lower sliding rail respectively; the right side of the right end protection door is provided with a right two-insertion driving inclined plane and a right three-insertion driving inclined plane, which are used for driving the right end protection door to move from right to left when the inserting sheet is inserted; the left side of the right end protection door is provided with a left two-plug baffle and a left three-plug baffle which are used for blocking the plug-in sheet from reaching the metal contact piece of the power socket, and the inner sides of the left two-plug baffle and the left three-plug baffle are respectively provided with a plug-in sheet through hole; the outer side surface of the joint of the right two-plug driving inclined surface and the right three-plug driving inclined surface is limited by a protective door limiting plate, and the inner side surface supports a spring;
the left side of the left end protection door is provided with a left two-insertion driving inclined plane and a left three-insertion driving inclined plane, and the left two-insertion driving inclined plane and the left three-insertion driving inclined plane are used for driving the left end protection door to move from left to right when the inserting piece is inserted; the right side of the left end protection door is provided with a right two-plug baffle and a right three-plug baffle which are used for blocking the plug-in sheet from reaching the metal contact piece of the power socket, and the inner sides of the right two-plug baffle and the right three-plug baffle are respectively provided with a plug-in sheet through hole; the outer side surface of the joint of the left two-plug driving inclined surface and the left three-plug driving inclined surface is limited by a protective door limiting plate, and the inner side surface supports a spring;
the left two-insertion baffle, the left three-insertion baffle, the right two-insertion baffle and the right three-insertion baffle cover the through holes of the protective door supporting frame; the right two-plug driving inclined plane, the right three-plug driving inclined plane, the left two-plug driving inclined plane and the left three-plug driving inclined plane are opposite to the jack of the five-hole socket surface cover; the two protection doors are opened by springs;
when a single inserting sheet is inserted into the left single hole, the left end protection door slides rightwards, the right end protection door keeps an original state, and the inserting sheet passes through the left end protection door to prop against the baffle plate of the right end protection door; when a single inserting sheet is inserted into the right side Shan Kongshi, the right-end protection door slides leftwards, the left-end protection door keeps an original state, and the inserting sheet passes through the right-end protection door to prop against the baffle plate of the left-end protection door; the inserting sheet is propped against the baffle plate, so that the inserting sheet cannot reach the metal contact sheet of the power socket, and the single-plug preventing function is realized;
when a two-pole plug or a three-pole plug is inserted, namely an L-pole inserting piece and an N-pole inserting piece are simultaneously inserted into corresponding driving inclined planes, a right-end protecting door slides from right to left, a left-end protecting door slides from left to right, baffles for blocking the inserting pieces are all moved outwards at the same time, and the inserting pieces pass through inserting piece through holes at the inner sides of the baffles and reach metal contact pieces of a power socket;
when the two-pole plug or the three-pole plug is pulled out, the springs push the two protection doors away in opposite directions, so that the two protection doors are restored to the original state.
Further, the two-insert sliding surface and the three-insert sliding surface of the right-end protection door are limited directly through the protection door supporting frame, or two parallel sliding baffles are fixed in the protection door supporting frame and limited through the sliding baffles.
Further, the middle part of right-hand member protection door is equipped with the holding surface of connecting two and three inserts along the slip direction, is equipped with the slide rail on the protection door support frame that corresponds with the holding surface, and the holding surface slides on the slide rail.
Further, two spring limiting plates are arranged in the middle of the left-end protection door and used for ensuring that the springs move along the sliding direction of the protection door.
Further, a gap is formed between the left side of the right-end protection door and the left side of the protection door supporting frame, and the gap is lower than the protection door limiting plate, so that the protection door can slide left and right below the protection door limiting plate; the right side of left end protection door has the clearance with the right side of protection door support frame, and is less than the protection door limiting plate, can slide side to side below the protection door limiting plate.
Further, the bottom surface of right-hand member protection door is smooth plane, can follow the slide rail and slide side to side.
Further, the protective door limiting plate is integrally formed with the protective door supporting frame.
The beneficial effects of the invention are as follows: the protection door component based on zero and live wire insertion drive can be universally used among five-hole sockets in different forms, is applicable to all national standard five-hole sockets and 16A sockets, and also accords with the national 3C standard; the socket comprises a five-hole socket surface cover, a left end protection door, a right end protection door and a protection door supporting frame; the left end protection door and the right end protection door are opened by a spring, driving inclined planes are arranged at the front side and the rear side of the left end protection door and the right end protection door, when inserting sheets in the two-pole plug or the three-pole plug are simultaneously inserted into the driving inclined planes in the protection door assembly, the left end protection door and the right end protection door simultaneously slide to the middle to open the protection door, and the inserting sheets in the two-pole plug or the three-pole plug enter a general power socket conductor after passing through the protection door and the protection door supporting frame; the invention realizes that the mechanism for driving the protective door to be opened by taking the zero fire inserting piece as the mechanism for driving the protective door to be opened by taking the grounding electrode inserting piece as the mechanism for driving the protective door to be opened, solves the problem that the monopole inserting piece in the existing market fails to be inserted into the protective door, effectively blocks a single tiny metal object from being inserted into the electrified inserting sleeve, and particularly can prevent personnel and property safety accidents caused by misplug of infants.
Drawings
FIG. 1 is an exploded view of the components of the protective door assembly of the present invention;
FIG. 2 is an assembled schematic view of the protective door assembly of the present invention;
FIG. 3 is a schematic view of a protective door support;
FIG. 4 is a detailed view of the right end door;
FIG. 5 is a left and right end door fitting view;
FIG. 6 is an external schematic view of a single tab insertion Shan Kongshi;
FIG. 7 is a cross-sectional view of a single insert inserted into a single hole;
FIG. 8 is an internal schematic diagram of a single insert inserted into a single hole;
FIG. 9 is an external schematic view in a normal use state;
FIG. 10 is a cross-sectional view of the device in a normal use state;
FIG. 11 is an internal schematic diagram in normal use;
in the figure, a five-hole socket surface cover 1, a left end protection door 2, a right end protection door 3, a protection door supporting frame 4, a protection door limiting plate 5, a two-insertion sliding surface 6, a three-insertion sliding surface 7, a right two-insertion driving inclined surface 8, a right three-insertion driving inclined surface 9, a left two-insertion baffle 10, a left three-insertion baffle 11, a supporting surface 12, a left two-insertion driving inclined surface 13, a left three-insertion driving inclined surface 14, a right two-insertion baffle 15, a right three-insertion baffle 16, a spring 17 and a spring limiting plate 18.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1-11, the protection door component based on zero-live wire insertion drive provided by the invention comprises a five-hole socket surface cover 1, (the five-hole type size cannot be changed, and other forms can be changed according to the appearance of a product), a left-end protection door 2, a right-end protection door 3 and a protection door support frame 4; the five-hole socket surface cover 1 is provided with a pair of two-pole and three-pole jacks, and two jacks in the same pair of jacks are used for inserting an L-pole inserting sheet and an N-pole inserting sheet in the same plug (if the three-pole jacks do not need a grounding inserting sheet to be used as driving and are in a avoidance mode); as shown in fig. 3, the protection door supporting frame 4 is provided with a via hole corresponding to the jack of the five-hole socket surface cover 1, and is provided with an upper sliding rail and a lower sliding rail, and a pair of protection door limiting plates 5 extend inwards from two sides of the middle part; the protective door limiting plate 5 is integrally formed with the protective door supporting frame 4; the protection doors are positioned between the five-hole socket surface cover 1 and the protection door supporting frame 4 and mutually matched to slide along opposite directions;
as shown in fig. 4 and 5, the top and bottom of the right end protection door 3 are respectively provided with a two-insertion sliding surface 6 and a three-insertion sliding surface 7, which are used for sliding left and right in the protection door supporting frame 4 along an upper sliding rail and a lower sliding rail respectively; the bottom surface of the right end protection door 3 is a smooth plane; the two-insertion sliding surface 6 and the three-insertion sliding surface 7 are limited directly through the protective door supporting frame 4, or two parallel sliding baffles are fixed in the protective door supporting frame 4 and limited through the sliding baffles; the right side of the right end protection door 3 is provided with a right two-insertion driving inclined plane 8 and a right three-insertion driving inclined plane 9, which are used for driving the right end protection door 3 to move from right to left when the inserting sheet is inserted; the left side of the right end protection door 3 is provided with a left two-plug baffle 10 and a left three-plug baffle 11 which are used for blocking the plug-in sheet from reaching the metal contact piece of the power socket, and the inner sides of the left two-plug baffle 9 and the left three-plug baffle 10 are respectively provided with a plug-in sheet through hole; the outer side surface of the joint of the right two-insertion driving inclined surface 8 and the right three-insertion driving inclined surface 9 is limited by the protective door limiting plate 5, and the inner side surface supports the spring 17; preferably, a support surface 12 for connecting two inserts and three inserts is arranged in the middle part of the right-end protection door 3 along the sliding direction, a sliding rail is arranged on the protection door support frame 4 corresponding to the support surface 12, and the support surface 12 slides on the sliding rail;
as shown in fig. 5, a left two-insertion driving inclined plane 13 and a left three-insertion driving inclined plane 14 are arranged on the left side of the left end protection door 2, and are used for driving the left end protection door 2 to move from left to right when inserting an inserting sheet; the right side of the left end protection door 2 is provided with a right two-plug baffle 15 and a right three-plug baffle 16 which are used for blocking the inserting sheet from reaching the metal contact sheet of the power socket, and inserting sheet through holes are formed in the inner sides of the right two-plug baffle 15 and the right three-plug baffle 16; the outer side surface of the joint of the left two-insertion driving inclined surface 13 and the left three-insertion driving inclined surface 14 is limited by the protective door limiting plate 5, and the inner side surface supports the spring 17; preferably, two spring limiting plates 18 are arranged in the middle of the left end protection door 2 and used for ensuring that the springs 17 move along the sliding direction of the protection door;
the left side of the right end protection door 3 and the left side of the protection door supporting frame 4 are provided with gaps, are lower than the protection door limiting plate 5, and can slide left and right below the protection door limiting plate 5; the right side of the left end protection door 2 and the right side of the protection door supporting frame 4 are provided with gaps, are lower than the protection door limiting plate 5, and can slide left and right below the protection door limiting plate 5;
in the original state, the left two-insertion baffle 10, the left three-insertion baffle 11, the right two-insertion baffle 15 and the right three-insertion baffle 16 cover the through holes of the protection door support frame 4; the right two-plug driving inclined plane 8, the right three-plug driving inclined plane 9, the left two-plug driving inclined plane 13 and the left three-plug driving inclined plane 14 are opposite to the jack of the five-hole socket surface cover 1; the two protection doors are spread by springs 17;
as shown in fig. 6 to 8, when a single insert is inserted into the left single hole, the left end protection door 2 slides rightward, the right end protection door 3 maintains an original state, and the insert passes through the left end protection door 2 to prop against the baffle plate of the right end protection door 3; when a single inserting sheet is inserted into the right side Shan Kongshi, the right end protection door 3 slides leftwards, the left end protection door 2 keeps the original state, and the inserting sheet passes through the right end protection door 3 to prop against the baffle plate of the left end protection door 2; the inserting sheet is propped against the baffle plate, so that the inserting sheet cannot reach the metal contact sheet of the power socket, and the single-plug preventing function is realized;
7-11, when a two-pole plug or a three-pole plug is inserted, namely an L-pole inserting piece and an N-pole inserting piece are simultaneously inserted into corresponding driving inclined planes, the right-end protection door 3 slides from right to left, the left-end protection door 2 slides from left to right, baffles for blocking the inserting pieces are all moved outwards at the same time, and the inserting pieces pass through inserting piece through holes at the inner sides of the baffles and reach metal contact pieces of a power socket;
when the two-pole plug or the three-pole plug is pulled out, the spring 17 pushes the two protection doors away in opposite directions, so that the two protection doors are restored to the original state.
It should be noted that: the above embodiments are only for illustrating the technical flow of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the scope of the claims.
Claims (4)
1. The protection door assembly based on zero and live wire inserting sheet driving is characterized by comprising a five-hole socket surface cover (1), a left end protection door (2), a right end protection door (3) and a protection door supporting frame (4); the five-hole socket surface cover (1) is provided with a pair of two-pole and three-pole jacks, and two jacks in the same pair of jacks are used for inserting an L-pole inserting sheet and an N-pole inserting sheet in the same plug; the protection door supporting frame (4) is provided with a through hole corresponding to the jack of the five-hole socket surface cover (1), and is provided with an upper sliding rail and a lower sliding rail, and a pair of protection door limiting plates (5) extend inwards from two sides of the middle part; the protective door limiting plate (5) and the protective door supporting frame (4) are integrally formed; the two protection doors are positioned between the five-hole socket surface cover (1) and the protection door supporting frame (4) and mutually matched to slide along opposite directions;
the top and the bottom of the right-end protection door (3) are respectively provided with a two-insertion sliding surface (6) and a three-insertion sliding surface (7) which are used for sliding left and right in the protection door supporting frame (4) along an upper sliding rail and a lower sliding rail respectively; the right side of the right end protection door (3) is provided with a right two-insertion driving inclined plane (8) and a right three-insertion driving inclined plane (9) which are used for driving the right end protection door (3) to move from right to left when the inserting sheet is inserted; the left side of the right end protection door (3) is provided with a left two-plug baffle (10) and a left three-plug baffle (11) which are used for blocking the plug-in sheet from reaching the metal contact sheet of the power socket, and the inner sides of the left two-plug baffle (9) and the left three-plug baffle (10) are respectively provided with a plug-in sheet through hole; the outer side surface of the joint of the right two-insertion driving inclined surface (8) and the right three-insertion driving inclined surface (9) is limited by a protective door limiting plate (5), and the inner side surface supports a spring (17); the bottom surface of the right end protection door (3) is a smooth plane and can slide left and right along the slide rail;
the left side of the left end protection door (2) is provided with a left two-insertion driving inclined plane (13) and a left three-insertion driving inclined plane (14) which are used for driving the left end protection door (2) to move from left to right when inserting an inserting sheet; the right side of the left end protection door (2) is provided with a right two-plug baffle (15) and a right three-plug baffle (16) which are used for blocking the plug-in sheet from reaching the metal contact sheet of the power socket, and plug-in sheet through holes are formed in the inner sides of the right two-plug baffle (15) and the right three-plug baffle (16); the outer side surface of the joint of the left two-insertion driving inclined surface (13) and the left three-insertion driving inclined surface (14) is limited by a protective door limiting plate (5), and the inner side surface supports a spring (17);
the left two-insertion baffle (10), the left three-insertion baffle (11), the right two-insertion baffle (15) and the right three-insertion baffle (16) cover the through holes of the protection door supporting frame (4); the right two-plug driving inclined plane (8), the right three-plug driving inclined plane (9), the left two-plug driving inclined plane (13) and the left three-plug driving inclined plane (14) are opposite to the jack of the five-hole socket surface cover (1); the two protection doors are opened by springs (17); two spring limiting plates (18) are arranged in the middle of the left-end protection door (2) and used for ensuring that the springs (17) move along the sliding direction of the protection door;
when a single inserting sheet is inserted into the left single hole, the left end protection door (2) slides rightwards, the right end protection door (3) keeps an original state, and the inserting sheet passes through the left end protection door (2) to prop against a baffle plate of the right end protection door (3); when a single inserting sheet is inserted into the right side Shan Kongshi, the right end protection door (3) slides leftwards, the left end protection door (2) keeps an original state, and the inserting sheet passes through the right end protection door (3) to prop against a baffle plate of the left end protection door (2); the inserting sheet is propped against the baffle plate, so that the inserting sheet cannot reach the metal contact sheet of the power socket;
when a two-pole plug or a three-pole plug is inserted, namely an L-pole inserting piece and an N-pole inserting piece are simultaneously inserted into corresponding driving inclined planes, a right-end protection door (3) slides from right to left, a left-end protection door (2) slides from left to right, baffles for blocking the inserting pieces are all moved outwards at the same time, and the inserting pieces pass through inserting piece through holes at the inner sides of the baffles to reach metal contact pieces of a power socket;
when the two-pole plug or the three-pole plug is pulled out, the springs (17) push the two protection doors away in opposite directions, so that the two protection doors are restored to the original state.
2. The protective door assembly based on zero and live wire inserting sheet driving according to claim 1, wherein the two-inserting sliding surfaces (6) and the three-inserting sliding surfaces (7) of the right protective door (3) are limited directly through the protective door supporting frame (4), or two parallel sliding baffles are fixed in the protective door supporting frame (4) and limited through the sliding baffles.
3. The protective door assembly based on zero and live wire inserting sheet driving according to claim 1, wherein a supporting surface (12) for connecting two inserts and three inserts is arranged in the middle of the right protective door (3) along the sliding direction, a sliding rail is arranged on a protective door supporting frame (4) corresponding to the supporting surface (12), and the supporting surface (12) slides on the sliding rail.
4. The protective door assembly based on zero line plug-in driving according to claim 1, wherein a gap is formed between the left side of the right protective door (3) and the left side of the protective door supporting frame (4), and the protective door assembly is lower than the protective door limiting plate (5) and can slide left and right below the protective door limiting plate (5); the right side of left end protection door (2) has the clearance with the right side of protection door support frame (4), and is less than protection door limiting plate (5), can slide about protection door limiting plate (5) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895774.9A CN107611670B (en) | 2017-09-28 | 2017-09-28 | Protective door assembly based on zero live wire inserting sheet driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895774.9A CN107611670B (en) | 2017-09-28 | 2017-09-28 | Protective door assembly based on zero live wire inserting sheet driving |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107611670A CN107611670A (en) | 2018-01-19 |
| CN107611670B true CN107611670B (en) | 2023-08-22 |
Family
ID=61058071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710895774.9A Active CN107611670B (en) | 2017-09-28 | 2017-09-28 | Protective door assembly based on zero live wire inserting sheet driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107611670B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861022B (en) * | 2019-03-20 | 2024-04-30 | 深圳市航嘉驰源电气股份有限公司 | Protection door structure of five-hole socket and five-hole socket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200171822Y1 (en) * | 1999-09-15 | 2000-03-15 | 이덕현 | Apparatus for safing of outlet |
| EP2133961A1 (en) * | 2005-08-03 | 2009-12-16 | Clipsal Asia Holdings Limited | A universal power socket |
| EP2182590A1 (en) * | 2008-10-28 | 2010-05-05 | Fu-Hsiang Huang | Safety electric socket |
| CN201918560U (en) * | 2010-11-26 | 2011-08-03 | 浙江正泰建筑电器有限公司 | Two-pole socket protection door |
| CN105552623A (en) * | 2016-01-26 | 2016-05-04 | 浙江正泰建筑电器有限公司 | Socket |
| CN205646263U (en) * | 2016-04-21 | 2016-10-12 | 梁权然 | National standard socket with dual layer protection door |
| CN206022716U (en) * | 2016-09-24 | 2017-03-15 | 深圳市湖渊电气技术有限公司 | A kind of little five spring hole scokets protection door of anti-one pole insertion |
| CN106532323A (en) * | 2016-12-26 | 2017-03-22 | 相舆科技（上海）有限公司 | Dual self-locking type safety door device and power socket employing safety door device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140051287A1 (en) * | 2012-08-19 | 2014-02-20 | Sheng-Hsin Liao | Safety electric socket |
-
2017
- 2017-09-28 CN CN201710895774.9A patent/CN107611670B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200171822Y1 (en) * | 1999-09-15 | 2000-03-15 | 이덕현 | Apparatus for safing of outlet |
| EP2133961A1 (en) * | 2005-08-03 | 2009-12-16 | Clipsal Asia Holdings Limited | A universal power socket |
| EP2182590A1 (en) * | 2008-10-28 | 2010-05-05 | Fu-Hsiang Huang | Safety electric socket |
| CN201918560U (en) * | 2010-11-26 | 2011-08-03 | 浙江正泰建筑电器有限公司 | Two-pole socket protection door |
| CN105552623A (en) * | 2016-01-26 | 2016-05-04 | 浙江正泰建筑电器有限公司 | Socket |
| CN205646263U (en) * | 2016-04-21 | 2016-10-12 | 梁权然 | National standard socket with dual layer protection door |
| CN206022716U (en) * | 2016-09-24 | 2017-03-15 | 深圳市湖渊电气技术有限公司 | A kind of little five spring hole scokets protection door of anti-one pole insertion |
| CN106532323A (en) * | 2016-12-26 | 2017-03-22 | 相舆科技（上海）有限公司 | Dual self-locking type safety door device and power socket employing safety door device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107611670A (en) | 2018-01-19 |
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