CN107742792B - Two-phase socket without holes - Google Patents
Two-phase socket without holes Download PDFInfo
- Publication number
- CN107742792B CN107742792B CN201710950360.1A CN201710950360A CN107742792B CN 107742792 B CN107742792 B CN 107742792B CN 201710950360 A CN201710950360 A CN 201710950360A CN 107742792 B CN107742792 B CN 107742792B
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- China
- Prior art keywords
- sliding
- slat
- assembly
- jack
- blocking head
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- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 32
- 206010000369 Accident Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to the field of non-hole sockets, in particular to a non-hole two-phase socket, which comprises a shell, an electric connecting device and a non-hole protecting device, wherein the electric connecting device and the non-hole protecting device are arranged in the shell, the shell comprises a cover body and a main shell body which are matched in a clamping way, the electric connecting device is arranged close to the main shell body, the non-hole protecting device is arranged close to the cover body, the cover body is provided with two-phase jacks, the non-hole protecting device comprises a hole sealing mechanism for sealing the holes and a resetting mechanism for resetting the non-hole mechanism, the hole sealing mechanism comprises two hole sealing assemblies for sealing the two-phase jacks and two first resetting assemblies for resetting the hole sealing assemblies, the resetting mechanism comprises a split sliding assembly and a second resetting assembly for resetting the sliding assembly, and two ridge plates matched with the sliding assembly are arranged in the main shell body.
Description
Technical Field
The invention relates to the field of non-porous sockets, in particular to a non-porous two-phase socket.
Background
The number of household power sockets is gradually increased, but if the household power sockets are improperly installed, potential safety hazards are likely to exist, related investigation data show that fire disasters caused by short circuits of the power sockets, the switch and the circuit breaker account for about 30% of the total number of the fire disasters in the recent 10-year accumulated fire accidents in China, most households use unprotected sockets at present, and the social fire accidents are mostly caused by socket power connection fire disasters.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a non-porous two-phase socket.
In order to solve the problems, the invention provides the following technical scheme:
the utility model provides a two-phase socket without holes, includes the casing, sets up electric connecting device and the nonporous protection device in the casing, the casing is including joint complex lid and main casing, electric connecting device is close to main casing setting, nonporous protection device is close to the lid setting, the lid is provided with two-phase jack, nonporous protection device is including the hole sealing mechanism that is used for the hole sealing and the canceling release mechanical system that is used for resetting nonporous mechanism, hole sealing mechanism is including two hole sealing subassemblies that are used for sealing two-phase jack and two first canceling release mechanical systems that are used for canceling release mechanical system that are used for resetting hole sealing subassemblies, canceling release mechanical system is including split sliding component and the second canceling release mechanical system that is used for canceling release mechanical system that is provided with two and sliding component complex back plates in the main casing.
Further, the hole sealing assembly comprises a first hole sealing assembly and a second hole sealing assembly, wherein the first hole sealing assembly and the second hole sealing assembly are used for sealing two-phase jacks, the two-phase jacks comprise a live wire jack and a zero wire jack, the first hole sealing assembly comprises a first plug and a second plug, the first plug and the second plug are used for sealing the live wire jack and are symmetrically arranged, and the second hole sealing assembly comprises a third plug and a fourth plug, the third plug and the fourth plug are used for sealing the zero wire jack and are symmetrically arranged.
Further, the first reset assembly comprises a plurality of first reset springs, all the first reset springs are in one-to-one correspondence with one sides of the first plug, the second plug, the third plug and the fourth plug, which are close to the main shell, and one ends of all the first reset springs, which are far away from the cover body, are in abutting connection with the sliding assembly.
Further, the sliding assembly comprises a first sliding slat and a second sliding slat which are split, and the length directions of the first sliding slat and the second sliding slat are the same as the arrangement directions of the live wire jack and the zero wire jack.
Further, the both ends of first slip slat and second slip slat all are provided with the breach, and first shutoff head is installed in the breach that first slip slat is close to the one end of zero line jack, and the second shutoff head is installed in the breach that second slip slat is close to the one end of zero line jack, and the third shutoff head is installed in the breach that first slip slat is close to the one end of live wire jack, and the fourth shutoff head is installed in the breach that second slip slat is close to the one end of live wire jack.
Further, the second reset assembly comprises two second reset springs respectively abutting against the first sliding slat and the middle section of the second sliding slat, and one end of each second reset spring far away from the sliding assembly is in abutting connection with the inner side of the cover body.
Further, the sides of the first sliding slat and the second sliding slat, which are close to the main shell, are respectively provided with a wedge surface in sliding fit with the ridge plate, the wedge surfaces of the first sliding slat and the second sliding slat are matched to form a V-shaped notch, and the ridge plate comprises a V-shaped pointed head in sliding fit with the wedge surfaces of the first sliding slat and the second sliding slat. The plane of the ridge plate is perpendicular to the length direction of the first sliding slat, and the sliding directions of the first sliding slat and the second sliding slat are perpendicular to the length direction of the first sliding slat.
Furthermore, all the notches are respectively provided with sliding grooves in one-to-one sliding fit with the first blocking head, the second blocking head, the third blocking head and the fourth blocking head.
Further, all the second return springs are cylindrical, and the axes of all the second return springs are coincident.
Further, the electric connection device comprises a live wire connection piece and a zero wire connection piece, and the main shell body is divided into two inner cavities for installation of the live wire connection piece and the zero wire connection piece through the ridge plate.
The beneficial effects are that: according to the nonporous two-phase socket, when the two-phase plug is inserted into the two-phase jack of the shell, the first plug, the second plug, the third plug and the fourth plug are inwards extruded, a force for sliding the first sliding slat and the second sliding slat towards the ridge plate is applied to the wedge surface of the first sliding slat and the wedge surface of the second sliding slat are in sliding fit with the ridge plate, the first sliding slat and the second sliding slat are separated, the two-phase plug penetrates through a gap between the first sliding slat and the second sliding slat to be inserted into the electric connection device, when the two-phase plug is pulled out from the nonporous two-phase socket, all the second return springs push the first sliding slat and the second sliding slat to be in reset fit, the first return springs push the first plug, the second plug, the third plug and the fourth plug to be reset to close the two-phase jack, and the nonporous protection device reduces the occurrence rate of power connection accidents, and ensures the safety of users.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the structural exploded view of the present invention;
FIG. 3 is a schematic diagram showing the structural exploded view of the present invention;
FIG. 4 is a schematic perspective view of the nonporous protective device and the electrical connection device of the present invention;
FIG. 5 is an exploded view of the slide assembly of the present invention;
FIG. 6 is an exploded view of the slide assembly and closure assembly of the present invention;
reference numerals illustrate: the device comprises a shell 1, a cover body 1a, two-phase jacks 1a1, a main shell 1b, a ridge plate 1b1, a hole-free protection device 2, a first hole sealing component 2a1, a second hole sealing component 2a2, a first plug 2a3, a second plug 2a4, a third plug 2a5, a fourth plug 2a6, a first return spring 2b, a sliding component 2c, a first sliding slat 2c1, a second sliding slat 2c2, a wedge surface 2c3, a notch 2c4, a second return spring 2d, a chute 3 and an electric connection device 4.
Detailed Description
Specific embodiments of the invention are described in further detail below with reference to the drawings and examples of the specification:
referring to fig. 1 to 6, a two-phase socket without holes comprises a shell 1, an electric connecting device 4 and a non-hole protecting device 2, wherein the electric connecting device 4 and the non-hole protecting device 2 are arranged in the shell 1, the shell 1 comprises a cover body 1a and a main shell body 1b which are matched in a clamping manner, the electric connecting device 4 is close to the main shell body 1b, the non-hole protecting device 2 is close to the cover body 1a, the cover body 1a is provided with a two-phase jack 1a1, the non-hole protecting device 2 comprises a hole sealing mechanism for sealing holes and a reset mechanism for resetting the non-hole mechanism, the hole sealing mechanism comprises two hole sealing assemblies for sealing the two-phase jack 1a1 and two first reset assemblies for resetting the hole sealing assemblies, the reset mechanism comprises a split sliding assembly 2c and a second reset assembly for resetting the sliding assembly 2c, and two ridge plates 1b1 matched with the sliding assembly 2c are arranged in the main shell body 1 b.
Working principle: when the two-phase plug is inserted into the two-phase jack 1a1 of the housing 1, the first plug 2a3, the second plug 2a4, the third plug 2a5 and the fourth plug 2a6 are pressed inwards, a force for sliding the first sliding strip 2c1 and the second sliding strip 2c2 towards the ridge plate 1b1 is given to the first sliding strip 2c1 and the second sliding strip 2c2, the wedge surface 2c3 of the first sliding strip 2c1 and the second sliding strip 2c2 are matched with the ridge plate 1 in a sliding manner, the first sliding strip 2c1 and the second sliding strip 2c2 are separated, the two-phase plug penetrates through a gap between the first sliding strip 2c1 and the second sliding strip 2c2 to be inserted into the electric connecting device 4, and when the two-phase plug is pulled out from the two-phase jack, all the second reset springs 2d push the first sliding strip 2c1 and the second sliding strip 2c2 to be in a reset fit, and the first reset springs 2b push the first plug 2a4, the third plug 2a5 and the fourth plug 2a6 to reset and close the jack 1.
The hole sealing assembly comprises a first hole sealing assembly 2a1 and a second hole sealing assembly 2a2 for sealing a two-phase jack 1a1, the two-phase jack 1a1 comprises a live wire jack and a zero wire jack, the first hole sealing assembly 2a1 comprises a first plug 2a3 and a second plug 2a4 which are used for sealing the live wire jack and are symmetrically arranged, the second hole sealing assembly 2a2 comprises a third plug 2a5 and a fourth plug 2a6 which are used for sealing the zero wire jack and are symmetrically arranged, when the two-phase plug is abutted against the first hole sealing assembly 2a1 and the second hole sealing assembly 2a2 and is inserted into the two-phase socket, the first plug 2a3 and the second plug 2a4 are separated, and the third plug 2a5 and the fourth plug 2a6 are separated.
The first reset assembly comprises a plurality of first reset springs 2b, all the first reset springs 2b are in one-to-one correspondence with one sides of the first plug 2a3, the second plug 2a4, the third plug 2a5 and the fourth plug 2a6, which are close to the main shell 1b, one ends of all the first reset springs 2b, which are far away from the cover 1a, are in abutting connection with the sliding assembly 2c, when the two-phase plug is pulled out from the two-phase socket, the first reset assembly pushes the first plug 2a3, the second plug 2a4, the third plug 2a5 and the fourth plug 2a6 back to plug the two-phase jack 1a 1.
The sliding component 2c comprises a first sliding slat 2c1 and a second sliding slat 2c2 which are opposite to each other, the length directions of the first sliding slat 2c1 and the second sliding slat 2c2 are the same as the arrangement directions of the live wire jack and the zero wire jack, when the first sliding slat 2c1 and the second sliding slat 2c2 are attached, the electric connection device 4 is completely shielded, when the first sliding slat 2c1 and the second sliding slat 2c2 are separated, the electric connection device 4 can be used for inserting a two-phase plug, and the two-phase socket is ensured not to have electric shock accidents when not used.
Both ends of the first sliding slat 2c1 and the second sliding slat 2c2 are provided with a notch 2c4, the first blocking head 2a3 is installed in the notch 2c4 at one end of the first sliding slat 2c1 close to the zero line jack, the second blocking head 2a4 is installed in the notch 2c4 at one end of the second sliding slat 2c2 close to the zero line jack, the third blocking head 2a5 is installed in the notch 2c4 at one end of the first sliding slat 2c1 close to the live line jack, the fourth blocking head 2a6 is installed in the notch 2c4 at one end of the second sliding slat 2c2 close to the live line jack, and when the first sliding slat 2c1 and the second sliding slat 2c2 are separated, the first blocking head 2a3 and the second blocking head 2a4 are driven to be separated, and the third blocking head 2a5 and the fourth blocking head 2a6 are separated.
The second reset assembly comprises two second reset springs 2d respectively abutting against the middle sections of the first sliding slat 2c1 and the second sliding slat 2c2, one end of each second reset spring 2d, far away from the sliding assembly 2c, is in abutting connection with the inner side of the cover body 1a, and after the plug is pulled out, the first sliding slat 2c1 and the second sliding slat 2c2 are propped back to be attached by the second reset springs 2 d.
The sides of the first sliding slat 2c1 and the second sliding slat 2c2, which are close to the main housing 1b, are respectively provided with a wedge surface 2c3 in sliding fit with the ridge plate 1b1, the wedge surfaces 2c3 of the first sliding slat 2c1 and the second sliding slat 2c2 are matched to form a V-shaped notch, and the ridge plate 1b1 comprises a V-shaped tip in sliding fit with the wedge surfaces 2c3 of the first sliding slat 2c1 and the second sliding slat 2c 2. The plane of the ridge plate 1b1 is perpendicular to the length direction of the first sliding strip plate 2c1, the sliding direction of the first sliding strip plate 2c1 and the second sliding strip plate 2c2 is perpendicular to the length direction of the first sliding strip plate 2c1, and when the two-phase plug is inserted into the socket, the first sliding strip plate 2c1 and the second sliding strip plate 2c2 slide on the ridge line of the ridge plate 1b1 along the self wedge surface 2c3 to open.
All the notches 2c4 are respectively provided with a sliding groove 3 in one-to-one sliding fit with the first blocking head 2a3, the second blocking head 2a4, the third blocking head 2a5 and the fourth blocking head 2a6, the first return spring 2b is cylindrical, the length direction of the sliding groove 3 is parallel to the axis of the first return spring 2b, and the first blocking head 2a3, the second blocking head 2a4, the third blocking head 2a5 and the fourth blocking head 2a6 can slide on the corresponding axes of the first return spring 2 b.
All the second return springs 2d are cylindrical, and the axes of all the second return springs 2d are coincident, so that the first sliding slat 2c1 and the second sliding slat 2c2 can not be misplaced when being in reset and attached.
The electric connection device 4 comprises a live wire connection piece and a zero wire connection piece, the main shell 1b is divided into two inner cavities for installation of the live wire connection piece and the zero wire connection piece through the ridge plate 1b1, and the electric connection device 4 is arranged between the non-hole protection device 2 and the main shell 1b, so that electric shock accidents are avoided.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (3)
1. A non-porous two-phase socket, characterized by: the device comprises a shell (1), an electric connecting device (4) and a nonporous protection device (2), wherein the electric connecting device (4) and the nonporous protection device (2) are arranged in the shell (1), the shell (1) comprises a cover body (1 a) and a main shell body (1 b) which are matched in a clamping manner, the electric connecting device (4) is close to the main shell body (1 b), the nonporous protection device (2) is close to the cover body (1 a), the cover body (1 a) is provided with a two-phase jack (1 a 1), the nonporous protection device (2) comprises a hole sealing mechanism for sealing the holes of the two phases and a reset mechanism for resetting the nonporous mechanism, the hole sealing mechanism comprises two hole sealing assemblies for sealing the two-phase jack (1 a 1) and two first reset assemblies for resetting the hole sealing assemblies, the reset mechanism comprises a split sliding assembly (2 c) and a second reset assembly for resetting the sliding assembly (2 c), and two ridge plates (1 b 1) matched with the sliding assembly (2 c) are arranged in the main shell body (1 b).
The hole sealing assembly comprises a first hole sealing assembly (2 a 1) and a second hole sealing assembly (2 a 2) which are used for sealing a two-phase jack (1 a 1), the two-phase jack (1 a 1) comprises a live wire jack and a zero wire jack, the first hole sealing assembly (2 a 1) comprises a first plug (2 a 3) and a second plug (2 a 4) which are used for sealing the live wire jack and are symmetrically arranged, and the second hole sealing assembly (2 a 2) comprises a third plug (2 a 5) and a fourth plug (2 a 6) which are used for sealing the zero wire jack and are symmetrically arranged;
the first reset assembly comprises a plurality of first reset springs (2 b), all the first reset springs (2 b) are in one-to-one correspondence with one side, close to the main shell (1 b), of the first blocking head (2 a 3), the second blocking head (2 a 4), the third blocking head (2 a 5) and the fourth blocking head (2 a 6), and one end, far away from the cover body (1 a), of all the first reset springs (2 b) is in abutting connection with the sliding assembly (2 c); the sliding assembly (2 c) comprises a first sliding slat (2 c 1) and a second sliding slat (2 c 2) which are split, and the length directions of the first sliding slat (2 c 1) and the second sliding slat (2 c 2) are the same as the arrangement directions of the live wire jack and the zero wire jack;
the two ends of the first sliding slat (2 c 1) and the second sliding slat (2 c 2) are provided with notches (2 c 4), the first blocking head (2 a 3) is arranged in the notch (2 c 4) of one end, close to the zero line jack, of the first sliding slat (2 c 1), the second blocking head (2 a 4) is arranged in the notch (2 c 4) of one end, close to the zero line jack, of the second sliding slat (2 c 2), the third blocking head (2 a 5) is arranged in the notch (2 c 4) of one end, close to the live line jack, of the first sliding slat (2 c 1), and the fourth blocking head (2 a 6) is arranged in the notch (2 c 4) of one end, close to the live line jack, of the second sliding slat (2 c 2);
the second reset assembly comprises two second reset springs (2 d) respectively abutting against the first sliding slat (2 c 1) and the middle section of the second sliding slat (2 c 2), and one end of each second reset spring (2 d) far away from the sliding assembly (2 c) is in abutting connection with the inner side of the cover body (1 a);
the first sliding slat (2 c 1) and the second sliding slat (2 c 2) are respectively provided with a wedge surface (2 c 3) which is in sliding fit with the ridge slat (1 b 1) on one side close to the main shell (1 b), the wedge surfaces (2 c 3) of the first sliding slat (2 c 1) and the second sliding slat (2 c 2) are matched to form a V-shaped notch, the ridge slat (1 b 1) comprises a V-shaped tip which is in sliding fit with the wedge surfaces (2 c 3) of the first sliding slat (2 c 1) and the second sliding slat (2 c 2), the plane of the ridge slat (1 b 1) is perpendicular to the length direction of the first sliding slat (2 c 1), and the sliding direction of the first sliding slat (2 c 1) and the second sliding slat (2 c 2) is perpendicular to the length direction of the first sliding slat (2 c 1);
all the gaps (2 c 4) are respectively provided with sliding grooves (3) which are in one-to-one sliding fit with the first blocking head (2 a 3), the second blocking head (2 a 4), the third blocking head (2 a 5) and the fourth blocking head (2 a 6).
2. A non-porous two-phase socket according to claim 1, wherein: all the second return springs (2 d) are cylindrical, and the axes of all the second return springs (2 d) are coincident.
3. A non-porous two-phase socket according to claim 1, wherein: the electric connecting device (4) comprises a live wire connecting piece and a zero wire connecting piece, and the main shell (1 b) is divided into two inner cavities for installing the live wire connecting piece and the zero wire connecting piece through a ridge plate (1 b 1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710950360.1A CN107742792B (en) | 2017-10-13 | 2017-10-13 | Two-phase socket without holes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710950360.1A CN107742792B (en) | 2017-10-13 | 2017-10-13 | Two-phase socket without holes |
Publications (2)
Publication Number | Publication Date |
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CN107742792A CN107742792A (en) | 2018-02-27 |
CN107742792B true CN107742792B (en) | 2024-03-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710950360.1A Active CN107742792B (en) | 2017-10-13 | 2017-10-13 | Two-phase socket without holes |
Country Status (1)
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CN (1) | CN107742792B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110098523B (en) * | 2019-05-22 | 2024-11-22 | 玉山创发产业投资有限公司 | A clutch type anti-single-stage insertion socket |
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CN2742602Y (en) * | 2004-10-20 | 2005-11-23 | Tcl国际电工(惠州)有限公司 | Socket with protective door |
US7312963B1 (en) * | 2003-12-05 | 2007-12-25 | Pass & Seymour, Inc. | Protective device with tamper resistant shutters |
CN102683955A (en) * | 2012-05-11 | 2012-09-19 | 张少亮 | Multifunctional safety socket |
CN103199374A (en) * | 2013-03-18 | 2013-07-10 | 山西培行高科电器有限公司 | Independently-targeted hole-free socket |
CN105261876A (en) * | 2015-11-10 | 2016-01-20 | 浙江正泰建筑电器有限公司 | Waterproof socket |
CN205141220U (en) * | 2015-10-23 | 2016-04-06 | 郝红军 | Power socket |
CN105742867A (en) * | 2016-04-07 | 2016-07-06 | 牛培行 | Interactive socket without exposed jacks |
CN206041158U (en) * | 2016-08-28 | 2017-03-22 | 薛甲山 | Socket with staggered floor combination formula protection device |
CN206313208U (en) * | 2017-01-06 | 2017-07-07 | 合肥意繁机电科技有限公司 | A kind of protection socket |
CN207282785U (en) * | 2017-10-13 | 2018-04-27 | 浙江捷诺电器有限公司 | A kind of non-porous two-phase socket |
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- 2017-10-13 CN CN201710950360.1A patent/CN107742792B/en active Active
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CN2276207Y (en) * | 1996-10-25 | 1998-03-11 | 金铭有限公司 | Safety door structure of power supply socket |
CN2457757Y (en) * | 2001-01-15 | 2001-10-31 | 徐晓 | Insert inlet protective door for power convertor |
EP1331698A2 (en) * | 2002-01-23 | 2003-07-30 | ABB PATENT GmbH | Finger-proof protection device for a safety socket having a laterally sliding shutter with molded-on return spring |
US7312963B1 (en) * | 2003-12-05 | 2007-12-25 | Pass & Seymour, Inc. | Protective device with tamper resistant shutters |
CN2742602Y (en) * | 2004-10-20 | 2005-11-23 | Tcl国际电工(惠州)有限公司 | Socket with protective door |
CN102683955A (en) * | 2012-05-11 | 2012-09-19 | 张少亮 | Multifunctional safety socket |
CN103199374A (en) * | 2013-03-18 | 2013-07-10 | 山西培行高科电器有限公司 | Independently-targeted hole-free socket |
CN205141220U (en) * | 2015-10-23 | 2016-04-06 | 郝红军 | Power socket |
CN105261876A (en) * | 2015-11-10 | 2016-01-20 | 浙江正泰建筑电器有限公司 | Waterproof socket |
CN105742867A (en) * | 2016-04-07 | 2016-07-06 | 牛培行 | Interactive socket without exposed jacks |
CN206041158U (en) * | 2016-08-28 | 2017-03-22 | 薛甲山 | Socket with staggered floor combination formula protection device |
CN206313208U (en) * | 2017-01-06 | 2017-07-07 | 合肥意繁机电科技有限公司 | A kind of protection socket |
CN207282785U (en) * | 2017-10-13 | 2018-04-27 | 浙江捷诺电器有限公司 | A kind of non-porous two-phase socket |
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CN107742792A (en) | 2018-02-27 |
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