CN108232564A - A kind of improved bridge facility - Google Patents
A kind of improved bridge facility Download PDFInfo
- Publication number
- CN108232564A CN108232564A CN201710794923.2A CN201710794923A CN108232564A CN 108232564 A CN108232564 A CN 108232564A CN 201710794923 A CN201710794923 A CN 201710794923A CN 108232564 A CN108232564 A CN 108232564A
- Authority
- CN
- China
- Prior art keywords
- electricity
- jack
- socket
- sliding
- sliding set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
Abstract
A modification of the present invention type bridge facility, including the socket being fixedly mounted in bridge wall body and the fork being connect with electrified maintained equipment, equity is provided with peace access slot of the port towards left end up and down in the fork left side, the sliding set for being equipped with and extending to the left is slipped in the peace access slot, mider hole is provided in the sliding set, it is slipped in the mider hole and electric extension bar is installed, the electricity extension bar right end passes through the sliding set and is fixedly mounted in the peace access slot right end wall, the electricity extension bar left end, which passes through the sliding set and is installed with electricity, connects block, equity has the first inclined socket surface to the sliding set left end up and down;Equity is provided with port towards the right side and connects block matched jack with the electricity socket up and down, and equity is provided with the sliding slot towards the jack in the jack upper and lower ends wall, is slipped in the sliding slot and is equipped with trolley shoe.
Description
Technical field
The present invention relates to bridge field, specifically a kind of improved bridge facility.
Background technology
Bridge is the important foundation construction of Process of Urbanization Construction, is the important leverage for alleviating urban traffic blocking.In bridge base
More socket can be all preset in plinth construction, these sockets mainly make for later stage electrification maintained equipment grafting power supply
With, however these socket Setting patterns are too simple, with being only to be kept by frictional force during electrified maintained equipment grafting
Motionless state, this power supply state is extremely unstable, when the heart not being descended to kick encounter fork or trip supply lines, it is easy to make
It comes off into fork and makes electrified maintained equipment accident power-off;In addition, since bridge socket sets limited height, Er Qieqi
Internal conductive sheet setting is relatively outer, and this conductive sheet is easy to be touched by sheet metal or metal rod, therefore, when scarce
When sheet metal or metal rod are inserted into socket by the people of weary awareness of safety, the easy accident got an electric shock causes personnel
Injures and deaths, there are larger security risks.
Invention content
For the deficiency of above-mentioned technology, the present invention proposes a kind of improved bridge facility.
A modification of the present invention type bridge facility, including the socket that is fixedly mounted in bridge wall body and with electricity
The fork of the maintained equipment that gasifies connection, the peace that equity is provided with port towards left end up and down in the fork left side connect
Slot, it is described to pacify the sliding set for being slipped in access slot and being equipped with and extending to the left, it is provided with mider hole, the mider hole in the sliding set
In slip electric extension bar be installed, the electricity extension bar right end, which passes through, described sliding to be covered and is fixedly mounted on the peace access slot right end wall
In, the electricity extension bar left end pass through it is described it is sliding cover and be installed with electricity connect block, equity has the to the sliding set left end up and down
One inclined socket surface, the fork top end face right side are fixed with Elastic force post, link are fixed at the top of the Elastic force post;It is described to insert
Equity is provided with port towards the right side and connects block matched jack with the electricity key seat up and down, equity in the jack upper and lower ends wall
The sliding slot towards the jack is provided with, is slipped in the sliding slot and trolley shoe is installed, be provided in the trolley shoe logical
Mouth spiral hole outwardly, in the spiral hole cooperation spiral bar is installed, the spiral bar and be fixedly mounted in socket
Electricity favourable turn connection, the end face of the trolley shoe towards the jack are installed with the contact for contradicting plate and being electrically connected with city,
The contact is located at the conflict plate left end, and the end face for contradicting plate towards the jack is provided with and first inclined socket surface
Matched second inclined socket surface, and the end face center for contradicting plate towards the jack is provided with arcuation slot, the bolt
Tripper is additionally provided in seat, the tripper includes groove and breaker.
Further technical solution, it is described peace access slot in be also installed with and it is described it is sliding set contradict spring element, institute
State spring element to by the sliding set to the left top pressure and the sliding set is made to connect block with the electricity and offset.
Further technical solution is also equipped with the touching button with the electricity favourable turn connection in the jack left end wall, works as institute
When stating electricity and connecing block and be inserted into the jack and contacted with the touching button, the touching button can control the electricity favourable turn operation.
Further technical solution, the electricity connect block left end and are provided with third inclined socket surface, described so as to conveniently be inserted into
In jack.
Further technical solution, the electricity connects block and the sliding set shape and size are equal.
Further technical solution, the distance for contradicting plate left side to the socket right side connect block with the electricity
The distance of right side to the fork left side is equal, so as to when the fork left side and the socket right end face paste
During conjunction, second inclined socket surface can be directed at first inclined socket surface.
Further technical solution, the radius of the arcuation slot and the radius of the electric extension bar are equal.
Further technical solution, the groove are set in the socket right end face described slotting positioned at upper and lower two
Between hole, the breaker fixed setting in the socket by the breaker with that in the groove, can occur circuit event
During barrier, the socket is automatically powered off, so as to improve Ability of emergency management, increase electrical safety.
The beneficial effects of the invention are as follows:
In original state, the trolley shoe is contracted in the sliding slot socket in apparatus of the present invention completely, and described
Plate is contradicted to flush with the jack inner wall towards one end of the jack, and the contact will not be extend into jack, had at this time
Metal rod is inserted into jack but during not in contact with to the touching button by people, metal rod will not with the contact pad, therefore,
Electric shock accidents will not occur;
When thicker metal rod is inserted into jack by someone and is contacted with the touching button, the electricity turns described in opportunity driven
Plate is contradicted to extend into the jack, and contradicting can not just continue to slide after plate offsets with metal rod, therefore, the contact is still
Old to extend into jack, metal rod will not be with the contact pad, and even if when metal rod is thinner, due to contact position
In the conflict plate left end, therefore, metal rod can not still touch contact, therefore electric shock accidents will not occur;
It is inserted into the jack in use, the electricity is connect block, when the fork left side and the socket right side
During fitting, the electricity favourable turn can drive the trolley shoe to be slided towards the jack, and the trolley shoe slip can drive described support
Touch panel and contact are slided towards the jack, since second inclined socket surface may act on first inclined socket surface, so as to institute
Stating conflict plate can drive the sliding set to slide to the right, when the arcuation slot on the conflict plate is matched with the electric extension bar,
The contact connects block outer end face with the electricity and offsets, and thus alternating current can be transmitted to electrified maintained equipment, so as to fulfill electrical
Change the energization of maintained equipment;
Due to when electrified maintained equipment is powered, the conflict plate can prevent the electricity from connecing block to extract to the right, therefore, described to support
The electricity can be connect block and is locked in the jack by touch panel, when someone, which accidentally kicks, encounters fork, will not cause fork
Loosening, therefore, the phenomenon that accident power-off will not occur;
Apparatus of the present invention are simple in structure, easy to use, and electrical safety is high, can substantially reduce security risk, can make powered stable.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of inventive embodiments or technical solution of the prior art
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only one invented
A little embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structure diagram of a modification of the present invention type bridge facility;
Fig. 2 is the structure diagram of fork in Fig. 1;
Fig. 3 is the enlarged structure schematic diagram at trolley shoe in Fig. 1;
Fig. 4 is the structure diagram of arrow direction in Fig. 3;
Fig. 5 is structure diagram when fork left side is bonded with socket right side in Fig. 1;
Fig. 6 is the structure diagram that contact connects when block offsets with electricity in Fig. 5;
Fig. 7 is the left view of Fig. 2.
Specific embodiment
All features or disclosed all methods disclosed in this specification or in the process the step of, in addition to mutually exclusive spy
Other than sign and/or step, it can combine in any way.
This specification(Including any accessory claim, abstract and attached drawing)Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As shown in Figures 1 to 7, a kind of improved bridge facility of apparatus of the present invention, including being fixedly mounted on bridge wall body
In socket 10 and the fork 20 that is connect with electrified maintained equipment, equity is set up and down in 20 left side of fork
Peace access slot 25 of the port towards left end is equipped with, slips the sliding set 21 for being equipped with and extending to the left, the cunning in the peace access slot 25
Mider hole is provided in female connector 21, is slipped in the mider hole and electric extension bar 23 is installed, 23 right end of the electricity extension bar passes through described
Sliding set 21 is simultaneously fixedly mounted in the peace 25 right end wall of access slot, and 23 left end of the electricity extension bar passes through the sliding set 21 and solid
Dingan County connects block 22 equipped with electricity, and equity has the first inclined socket surface 24 to 21 left ends of the sliding set up and down, and 20 top end face of fork is right
Side is fixed with Elastic force post 27, and 27 top of Elastic force post is fixed with link 28, and the link 28 is used for the fork 20
Suspension under non-inserting state thus prevents the 20 random drag and drop of fork and causes to damage;The socket is about 10
Equity is provided with port towards the right side and connects 22 matched jack 11 of block with the electricity, and equity is set in the 11 upper and lower ends wall of jack
The sliding slot 13 towards the jack 11 is equipped with, is slipped in the sliding slot 13 and trolley shoe 14 is installed, in the trolley shoe 14
The spiral hole of port outwardly is provided with, coordinates in the spiral hole and spiral bar 16 is installed, the spiral bar 16 is with being fixedly mounted
15 connection of electricity favourable turn in socket 10, the end face of the trolley shoe 14 towards the jack 11, which is installed with, contradicts plate 17
And the contact 140 being electrically connected with city, the contact 140 are located at conflict 17 left end of plate, the conflict plate 17 is towards described
The end face of jack 11 be provided with 24 matched second inclined socket surface 19 of the first inclined socket surface, and the conflict plate 17 is towards institute
The end face center for stating jack 11 is provided with arcuation slot 18, and tripper, the tripper are additionally provided in the socket 10
Including groove 101 and breaker 102.
Valuably or illustratively, wherein, also it is installed with what is contradicted with the sliding set 21 in the peace access slot 25
Spring element 26, the spring element 26 to by it is described it is sliding set 21 to the left top pressure and make it is described it is sliding set 21 with the electricity connect block 22
It offsets.
Valuably or illustratively, wherein, it is also equipped with what is connect with the electricity favourable turn 15 in the 11 left end wall of jack
Touching button 12 is inserted into the jack 11 and when the electricity connects block 22 when being contacted with the touching button 12, and the touching button 12 is controllable
15 operation of electricity favourable turn.
Valuably or illustratively, wherein, the electricity connects 22 left end of block and is provided with third inclined socket surface 220, so as to convenient
It is inserted into the jack 11.
Valuably or illustratively, wherein, the electricity connects block 22 and 21 shape and size of the sliding set are equal.
Valuably or illustratively, wherein, it is described contradict 17 left side of plate to 10 right side of socket distance and
The distance that the electricity connects 22 right side of block to 20 left side of fork is equal, so as to when 20 left side of fork and institute
When stating the fitting of 10 right side of socket, second inclined socket surface 19 can be directed at first inclined socket surface 24.
Valuably or illustratively, wherein, the radius of the arcuation slot 18 and the radius of the electric extension bar 23 are equal.
Valuably or illustratively, wherein, the groove 101, which is set in 10 right end face of socket, to be located at up and down
Between two jacks 11, the breaker 102 fixed setting in the groove 101, can be by the breaker 102
When fault occurs for the socket 10, the socket 10 is automatically powered off, so as to improve Ability of emergency management, increase and use
Electric safety.
For the socket 10 of apparatus of the present invention in original state, the trolley shoe 14 is contracted in the sliding slot 13 completely
In, and the conflict plate 17 is flushed towards one end of the jack 11 with 11 inner wall of jack, so as to which the electricity be allowed to connect block
22 are inserted into the jack 11;
For the fork 20 of apparatus of the present invention in original state, the sliding set 21 is under the action of the spring element 26 by the left
Top pressure and 21 left sides of the sliding set connect block 22 with the electricity and offset.
When electrified maintained equipment needs to be powered, the electricity is connect into block 22 and is inserted into the jack 11, when the bolt
When first 20 left side is bonded with 10 right side of socket, the electricity connects 22 left end of block and is contacted with the touching button 12, described to touch
Button 12 can control 15 operation of electricity favourable turn, and the electricity favourable turn 15 can drive the spiral bar 16 to rotate, and the spiral bar can drive
It moves the trolley shoe 14 to slide towards the jack 11, during the trolley shoe 14 slides, the conflict plate 17 can be driven
And contact 140 is slided towards the jack 11, when the conflict plate 17 slides, second inclined socket surface 19 may act on described
First inclined socket surface 24, so as to which the sliding set is driven 21 to slide to the right, when the arcuation slot 18 on the conflict plate 17 with it is described
When electric extension bar 23 matches, stop the electricity favourable turn 15, offset at this point, the contact 140 connects 22 outer end face of block with the electricity, by
It is electrically connected in the contact 140 with city, therefore, alternating current can be transmitted to electrified maintained equipment, safeguarded so as to fulfill electrification
The energization of equipment.
After electricity consumption, electricity favourable turn 15 described in reverse starting, the electricity favourable turn 15 can drive the spiral bar 16 reversely to turn
It is dynamic, so as to which the trolley shoe 14 is driven to be retracted into the sliding slot 13, the trolley shoe 14 can drive the contact 140 with
And contradict plate 17 and be retracted into the sliding slot 13, it is described when the conflict plate 17 is fully retracted in the sliding slot 13
Sliding set 21 is made 21 left sides of the sliding set connect block 22 with the electricity under the action of the spring element 26 by top pressure to the left
It offsets, can the electricity be connect block 22 at this time extracts to the right.
The beneficial effects of the invention are as follows:Socket in apparatus of the present invention in original state, receive completely by the trolley shoe
Contracting is in the sliding slot, and the conflict plate is flushed towards one end of the jack with the jack inner wall, and the contact
It will not extend into jack, metal rod is inserted into jack but during not in contact with to the touching button by someone at this time, metal rod
Therefore, electric shock accidents will not will not occur with the contact pad;
When thicker metal rod is inserted into jack by someone and is contacted with the touching button, the electricity turns described in opportunity driven
Plate is contradicted to extend into the jack, and contradicting can not just continue to slide after plate offsets with metal rod, therefore, the contact is still
Old to extend into jack, metal rod will not be with the contact pad, and even if when metal rod is thinner, due to contact position
In the conflict plate left end, therefore, metal rod can not still touch contact, therefore electric shock accidents will not occur;
It is inserted into the jack in use, the electricity is connect block, when the fork left side and the socket right side
During fitting, the electricity favourable turn can drive the trolley shoe to be slided towards the jack, and the trolley shoe slip can drive described support
Touch panel and contact are slided towards the jack, since second inclined socket surface may act on first inclined socket surface, so as to institute
Stating conflict plate can drive the sliding set to slide to the right, when the arcuation slot on the conflict plate is matched with the electric extension bar,
The contact connects block outer end face with the electricity and offsets, and thus alternating current can be transmitted to electrified maintained equipment, so as to fulfill electrical
Change the energization of maintained equipment;
Due to when electrified maintained equipment is powered, the conflict plate can prevent the electricity from connecing block to extract to the right, therefore, described to support
The electricity can be connect block and is locked in the jack by touch panel, when someone, which accidentally kicks, encounters fork, will not cause fork
Loosening, therefore, the phenomenon that accident power-off will not occur;
Apparatus of the present invention are simple in structure, easy to use, and electrical safety is high, can substantially reduce security risk, can make powered stable.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
1. a kind of improved bridge facility, including the socket that is fixedly mounted in bridge wall body and with electrified maintained equipment
The fork of connection, it is characterised in that:Equity is provided with peace access slot of the port towards left end up and down in the fork left side,
It is slipped in the peace access slot and the sliding set that extends to the left is installed, be provided with mider hole in the sliding set, in the mider hole
Sliding to be equipped with electric extension bar, the electricity extension bar right end passes through the sliding set and is fixedly mounted in the peace access slot right end wall,
The electricity extension bar left end, which passes through the sliding set and is installed with electricity, connects block, and equity has first tiltedly to the sliding set left end up and down
The face of inserting, the fork top end face right side are fixed with Elastic force post, link are fixed at the top of the Elastic force post;The socket
Upper and lower equity is provided with port towards the right side and connects the matched jack of block with the electricity, and equity is set in the jack upper and lower ends wall
There is the sliding slot towards the jack, slipped in the sliding slot and trolley shoe is installed, port court is provided in the trolley shoe
Outer spiral hole, in the spiral hole cooperation spiral bar is installed, the spiral bar and the electricity being fixedly mounted in socket turn
Machine connects, and the end face of the trolley shoe towards the jack is installed with the contact for contradicting plate and being electrically connected with city, described
Contact is located at the conflict plate left end, and the end face for contradicting plate towards the jack is provided with to match with first inclined socket surface
The second inclined socket surface closed, and the end face center for contradicting plate towards the jack is provided with arcuation slot, in the socket
Tripper is additionally provided with, the tripper includes groove and breaker.
2. a kind of improved bridge facility according to claim 1, it is characterised in that:It is also fixedly mounted in the peace access slot
There is the spring element contradicted with the sliding set.
3. a kind of improved bridge facility according to claim 1, it is characterised in that:It is also installed in the jack left end wall
There is the touching button with the electricity favourable turn connection.
4. a kind of improved bridge facility according to claim 1, it is characterised in that:The electricity connects block left end and is provided with
Three inclined socket surfaces.
5. a kind of improved bridge facility according to claim 1, it is characterised in that:The electricity connects block and the sliding set
Shape and size are equal.
6. a kind of improved bridge facility according to claim 1, it is characterised in that:The conflict plate left side is described in
The distance of socket right side and the distance that the electricity connects block right side to the fork left side are equal.
7. a kind of improved bridge facility according to claim 1, it is characterised in that:The radius of the arcuation slot with it is described
The radius of electric extension bar is equal.
8. a kind of improved bridge facility according to claim 1, it is characterised in that:The groove is set to the bolt
In seat right end face between upper and lower two jacks, in the breaker fixed setting and the groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710794923.2A CN108232564A (en) | 2017-09-06 | 2017-09-06 | A kind of improved bridge facility |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710794923.2A CN108232564A (en) | 2017-09-06 | 2017-09-06 | A kind of improved bridge facility |
Publications (1)
Publication Number | Publication Date |
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CN108232564A true CN108232564A (en) | 2018-06-29 |
Family
ID=62655174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710794923.2A Pending CN108232564A (en) | 2017-09-06 | 2017-09-06 | A kind of improved bridge facility |
Country Status (1)
Country | Link |
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CN (1) | CN108232564A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201994534U (en) * | 2011-02-01 | 2011-09-28 | 浙江省桐乡第一中学 | Electric-shock-prevention safety socket |
CN203871594U (en) * | 2014-05-12 | 2014-10-08 | 余昕欣 | Electric shock prevention safety socket |
CN105337115A (en) * | 2014-05-28 | 2016-02-17 | 名硕电脑(苏州)有限公司 | Safety socket |
-
2017
- 2017-09-06 CN CN201710794923.2A patent/CN108232564A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201994534U (en) * | 2011-02-01 | 2011-09-28 | 浙江省桐乡第一中学 | Electric-shock-prevention safety socket |
CN203871594U (en) * | 2014-05-12 | 2014-10-08 | 余昕欣 | Electric shock prevention safety socket |
CN105337115A (en) * | 2014-05-28 | 2016-02-17 | 名硕电脑(苏州)有限公司 | Safety socket |
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Effective date of registration: 20181008 Address after: 510000 038, 401 Room 401, 240 Tianhe East Road, Tianhe District, Guangzhou, Guangdong (for office use only) Applicant after: Guangzhou Shang Tong Environmental Protection Technology Co., Ltd. Address before: 543003 second Hongling Road, Wuzhou, the Guangxi Zhuang Autonomous Region Applicant before: Wuzhou Guangxi Sihai Construction Engineering Co., Ltd. |
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Application publication date: 20180629 |
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