CN105375190A - Anti-sliding plug and socket - Google Patents
Anti-sliding plug and socket Download PDFInfo
- Publication number
- CN105375190A CN105375190A CN201510771444.XA CN201510771444A CN105375190A CN 105375190 A CN105375190 A CN 105375190A CN 201510771444 A CN201510771444 A CN 201510771444A CN 105375190 A CN105375190 A CN 105375190A
- Authority
- CN
- China
- Prior art keywords
- push rod
- socket
- storage tank
- conductive insert
- plug
- 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.)
- Granted
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
-
- 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
- H01R13/625—Casing or ring with bayonet engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses an anti-sliding plug and socket. The anti-sliding plug and socket comprises a plug and a socket; the anti-sliding plug and socket is characterized in that the socket comprises a shell, a bottom plate arranged in the shell, a flat plate glidingly matched on the bottom plate in a horizontal direction, and conductive connecting pieces that are mounted on the flat plate in pairs; the plug comprises an insulating body and a conductive inserting sheet; the lower end of the conductive inserting sheet penetrates the shell; an accommodating groove is formed in the side wall of the conductive inserting sheet in a concave-inward manner; a titled roof bar is arranged in the accommodating groove; the lower end of the roof bar is fixed with the inner surface of the accommodating groove; the upper end of the roof bar swings around the lower end of the roof bar; when the conductive inserting sheet is away from the socket at an accelerated speed, the upper end of the roof bar swings to the outer side of the accommodating groove; and a locking mechanism is arranged at the upper end of the roof bar. According to the anti-sliding plug and socket provided by the invention, the plug and the socket are not separated to cause outage when the anti-sliding plug and socket is subjected to relatively stronger momentary external force, so as to avoid accident outage of electric appliances caused by the falling off the plug, and the plug is convenient to be inserted in the socket.
Description
Technical field
The present invention relates to the technical field of electric equipment, specifically a kind of anti-slip plugs and sockets.
Background technology
Easily come off when being subject to larger External Force Acting after the plug insertion socket of prior art, the computer mains plug of such as office space, stumbling when people's pin then to cause plug and socket to depart from due to the playing power of pin, thus computer accident power-off is shut down, the loss of computer information may be caused thus.In addition, electrical equipment also easily causes the damage of electrical equipment when moment accident power-off.
In addition, after socket uses the long period or when rigging error is larger, often plug is caused normally to insert due to the conducting element distortion in jack or displacement, the metal connecting sheet that described conducting element generally be arranged in parallel by two forms, and forms the slot matched with the inserted sheet of plug between two metal connecting sheets.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of anti-slip plugs and sockets, it can not cause plug and socket to depart from power-off when being subject to external force larger instantaneously, thus avoid and cause electrical equipment accident power-off due to coming off of plug, and plug is convenient to insert in socket.
The technical solution used in the present invention is: provide a kind of anti-slip plugs and sockets, it comprises plug and socket, described socket comprises housing, the base plate be located in housing, be slidably fitted in flat board on base plate and the conductive connecting piece of mounted in pairs on flat board in the horizontal direction, described base plate and housing are fixed, base plate is provided with the rib for limiting dull and stereotyped sliding stroke in the horizontal direction, and described housing is provided with jack;
Described plug comprises insulating body and conductive insert, upper end and the insulating body of conductive insert are fixed, the lower end of conductive insert to be penetrated in housing by jack and inserts between two corresponding conductive connecting pieces, conductive connecting piece and conductive insert are fitted, on the sidewall of conductive insert nearly conductive insert lower end position along conductive insert Width indent formed storage tank, the push rod be obliquely installed is provided with in storage tank, the lower end of push rod and the inner surface of storage tank are fixed, the upper end of push rod swings around the lower end of push rod, and the upper end of push rod is greater than the vertical range of lower end to conductive insert axis of push rod to the vertical range of conductive insert axis, when the upper end of push rod is not still in storage tank by the upper end of push rod during external force, when conductive insert accelerates to detach socket along the length direction of conductive insert upward, the upper end of push rod is rocked to outside storage tank, the upper end of described push rod is provided with the friction tight retaining mechanism of conductive connecting piece when the upper end of push rod is rocked to outside storage tank and in socket.
Described retaining mechanism comprises the matrix that upper end width is less than lower end width, the upper end of matrix and push rod is fixed, the inclined-plane of matrix both sides is respectively equipped with slide block, the inclined-plane of slide block and matrix is slidably matched, and the conductive connecting piece that slide block deviates from the end face of matrix and socket when the length direction accelerated motion upward of matrix with the upper end edge conductive insert of push rod compresses.
The end face that described slide block deviates from matrix is provided with the frictional layer for being close to the conductive connecting piece of socket.
Described push rod is that copper material is made, and the diameter of push rod nearly push rod lower end position is less than the diameter of the nearly push rod upper end position of push rod.
Be provided with in described storage tank and reset the elastomer in storage tank for ordering about push rod, the inwall of elastomeric one end and storage tank is fixed, and the elastomeric other end and push rod are fixed.
Be provided with the jacking block that the upper end for ordering about push rod swings towards storage tank in described storage tank outward, jacking block is slidably fitted in storage tank along the length direction of conductive insert.
The upper end of described rib is fixed with a pressing plate, and one end of pressing plate extends to dull and stereotyped top, and fits with dull and stereotyped upper surface in the lower surface of pressing plate, the lower surface of described pressing plate and dull and stereotyped upper surface sliding friction.
Be provided with some projections be laid on base plate between described base plate and flat board, dull and stereotyped lower surface and protruding upper end against, the part of dull and stereotyped upper surface leans with pressing plate.
Described projection is that elastic material is made.
After adopting above structure, a kind of anti-slip plug of the present invention compared with prior art has the following advantages: first, can when plug detaches socket fast by the retaining mechanism locking plug and socket of push rod upper end by push rod, prevent the accident power-off of plug, and make retaining mechanism receive with in storage tank when plug normally plugs, secondly, the conductive connecting piece in socket can regulate in the horizontal direction, and the conductive insert being therefore convenient to plug when conductive connecting piece misplaces normally inserts.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-slip plugs and sockets of the present invention.
Fig. 2 is the structural representation of plug portion of the present invention.
Fig. 3 is the schematic side view in " A " direction in Fig. 2.
Fig. 4 is the close-up schematic view in " B " region in Fig. 3.
Fig. 5 is the schematic diagram under another operating state of Fig. 4.
Wherein, 1, housing, 1.1, jack, 2, base plate, 3, dull and stereotyped, 4, conductive connecting piece, 5, rib, 6, insulating body, 7, conductive insert, 7.1, storage tank, 8, push rod, 9, retaining mechanism, 9.1, matrix, 9.2, slide block, 10, elastomer, 11, jacking block, 12, pressing plate, 13, protruding.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The invention provides a kind of anti-slip plugs and sockets, it comprises plug and socket, described socket comprises housing 1, the base plate 2 be located in housing 1, to be slidably matched flat board 3 on a base plate 2 and the conductive connecting piece 4 of mounted in pairs on dull and stereotyped 3 in the horizontal direction, described base plate 2 is fixed with housing 1, base plate 2 is provided with the rib 5 for limiting flat board 3 sliding stroke in the horizontal direction, and described housing 1 is provided with jack 1.1;
Described plug comprises insulating body 6 and conductive insert 7, upper end and the insulating body 6 of conductive insert 7 are fixed, the lower end of conductive insert 7 to be penetrated in housing 1 by jack 1.1 and inserts between two corresponding conductive connecting pieces 4, conductive connecting piece 4 and conductive insert 7 are fitted, on the sidewall of conductive insert 7 nearly conductive insert 7 lower end position along conductive insert 7 Width indent formed storage tank 7.1, the push rod 8 be obliquely installed is provided with in storage tank 7.1, the lower end of push rod 8 and the inner surface of storage tank 7.1 are fixed, the upper end of push rod 8 swings around the lower end of push rod 8, and the upper end of push rod 8 is greater than the vertical range of lower end to conductive insert 7 axis of push rod 8 to the vertical range of conductive insert 7 axis, when the upper end of push rod 8 is not still in storage tank 7.1 by the upper end of push rod during external force 8, when conductive insert 7 accelerates to detach socket along the length direction of conductive insert 7 upward, the upper end of push rod 8 is rocked to outside storage tank 7.1, the upper end of described push rod 8 be provided with when the upper end of push rod 8 be rocked to storage tank 7.1 outer time and socket in the friction tight retaining mechanism 9 of conductive connecting piece 4.
Described retaining mechanism 9 comprises the matrix 9.1 that upper end width is less than lower end width, matrix 9.1 is fixed with the upper end of push rod 8, the inclined-plane of matrix 9.1 both sides is respectively equipped with slide block 9.2, slide block 9.2 is slidably matched with the inclined-plane of matrix 9.1, and the conductive connecting piece 4 that slide block 9.2 deviates from the end face of matrix 9.1 and socket when the length direction accelerated motion upward of matrix 9.1 with the upper end edge conductive insert 7 of push rod 8 compresses.
The end face that described slide block 9.2 deviates from matrix 9.1 is provided with the frictional layer for being close to the conductive connecting piece 4 of socket.
Described push rod 8 is made for copper material, and the diameter of nearly push rod 8 lower end position of push rod 8 is less than the diameter of nearly push rod 8 upper end position of push rod 8.
Be provided with in described storage tank 7.1 and reset the elastomer 10 in storage tank 7.1 for ordering about push rod 8, one end of elastomer 10 and the inwall of storage tank 7.1 are fixed, and the other end and the push rod 8 of elastomer 10 are fixed.
Be provided with the jacking block 11 of the upper end for ordering about push rod 8 towards the outer swing of storage tank 7.1 in described storage tank 7.1, jacking block 11 is slidably fitted in storage tank 7.1 along the length direction of conductive insert 7.
The upper end of described rib 5 is fixed with a pressing plate 12, and one end of pressing plate 12 extends to above in the of dull and stereotyped 3, and fits with the upper surface of flat board 3 in the lower surface of pressing plate 12, the lower surface of described pressing plate 12 and the upper surface sliding friction of dull and stereotyped 3.
Be provided with some projections 13 be laid on base plate 2 between described base plate 2 and dull and stereotyped 3, the lower surface of dull and stereotyped 3 and the upper end of protruding 13 against, the part of dull and stereotyped 3 upper surfaces leans with pressing plate 12.
Described projection 13 is made for elastic material.
Its operation principle is, after plug insertion socket, the conductive insert 7 of plug inserts between two conductive connecting pieces 4, when the external force that plug runs into burst is accelerated to detach socket, because inertia makes the push rod 8 of storage tank 7.1 drive retaining mechanism 9 to be rocked to outside storage tank 7.1, matrix 9.1 and the slide block 9.2 of retaining mechanism 9 expand under inertia force effect, and namely slide block 9.2 and conductive connecting piece 4 compress, and realize the anti-slip of plug and socket thus.
In the process, can ensure that push rod 8 is accommodated in storage tank 7.1 when inactive state by elastomer 10, and jacking block 11 can accelerate by the inertia force of jacking block 11, the upper end of push rod 8 is rocked to outside storage tank 7.1 when detaching at plug.
Meanwhile, when the conductive connecting piece of two in above-mentioned socket 4 misplaces, when plug inserts, conductive insert 7 stirs conductive connecting piece 4, thus make dull and stereotyped 3 to move to plug-in position, and after plug is extracted, pressing plate 12 and protruding 13, by fastening for flat board 3, therefore makes conductive insert 7 and conductive connecting piece 4 accurate contraposition when plug insertion next time.
Just preferred embodiment of the present invention is described above, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change, and all various changes done in the protection range of demand for independence of the present invention are all in protection scope of the present invention.
Claims (9)
1. an anti-slip plugs and sockets, it comprises plug and socket, it is characterized in that:
Described socket comprises housing (1), the base plate (2) be located in housing (1), be slidably fitted in flat board (3) on base plate (2) and the conductive connecting piece (4) of mounted in pairs on dull and stereotyped (3) in the horizontal direction, described base plate (2) is fixed with housing (1), base plate (2) is provided with the rib (5) for limiting flat board (3) sliding stroke in the horizontal direction, and described housing (1) is provided with jack (1.1);
Described plug comprises insulating body (6) and conductive insert (7), the upper end of conductive insert (7) and insulating body (6) are fixed, the lower end of conductive insert (7) to be penetrated in housing (1) by jack (1.1) and inserts between two corresponding conductive connecting pieces (4), conductive connecting piece (4) and conductive insert (7) are fitted, on the sidewall of conductive insert (7) nearly conductive insert (7) lower end position along conductive insert (7) Width indent formed storage tank (7.1), the push rod (8) be obliquely installed is provided with in storage tank (7.1), the lower end of push rod (8) and the inner surface of storage tank (7.1) are fixed, the upper end of push rod (8) swings around the lower end of push rod (8), and the upper end of push rod (8) is greater than the vertical range of lower end to conductive insert (7) axis of push rod (8) to the vertical range of conductive insert (7) axis, when the upper end of push rod (8) is not still in storage tank (7.1) by the upper end of push rod during external force (8), when conductive insert (7) accelerates to detach socket along the length direction of conductive insert (7) upward, the upper end of push rod (8) is rocked to storage tank (7.1) outward, the upper end of described push rod (8) be provided with when the upper end of push rod (8) be rocked to storage tank (7.1) outer time and socket in conductive connecting piece (4) friction tight retaining mechanism (9).
2. anti-slip plugs and sockets according to claim 1, it is characterized in that: described retaining mechanism (9) comprises the matrix (9.1) that upper end width is less than lower end width, matrix (9.1) is fixed with the upper end of push rod (8), the inclined-plane of matrix (9.1) both sides is respectively equipped with slide block (9.2), slide block (9.2) is slidably matched with the inclined-plane of matrix (9.1), the conductive connecting piece (4) that slide block (9.2) deviates from the end face of matrix (9.1) and socket when the length direction accelerated motion upward of matrix (9.1) with the upper end edge conductive insert (7) of push rod (8) compresses.
3. anti-slip plugs and sockets according to claim 2, is characterized in that: the end face that described slide block (9.2) deviates from matrix (9.1) is provided with the frictional layer for being close to the conductive connecting piece (4) of socket.
4. anti-slip plugs and sockets according to claim 1, it is characterized in that: described push rod (8) is made for copper material, the diameter of nearly push rod (8) lower end position of push rod (8) is less than the diameter of nearly push rod (8) upper end position of push rod (8).
5. anti-slip plugs and sockets according to claim 1, it is characterized in that: be provided with in described storage tank (7.1) and reset the elastomer (10) in storage tank (7.1) for ordering about push rod (8), one end of elastomer (10) and the inwall of storage tank (7.1) are fixed, and the other end of elastomer (10) and push rod (8) are fixed.
6. anti-slip plugs and sockets according to claim 1, it is characterized in that: be provided with the jacking block (11) that the upper end for ordering about push rod (8) swings towards storage tank (7.1) in described storage tank (7.1) outward, jacking block (11) is slidably fitted in storage tank (7.1) along the length direction of conductive insert (7).
7. anti-slip plugs and sockets according to claim 1, it is characterized in that: the upper end of described rib (5) is fixed with a pressing plate (12), one end of pressing plate (12) extends to flat board (3) top, and fit with the upper surface of dull and stereotyped (3) in the lower surface of pressing plate (12), the lower surface of described pressing plate (12) and the upper surface sliding friction of dull and stereotyped (3).
8. anti-slip plugs and sockets according to claim 7, it is characterized in that: between described base plate (2) and dull and stereotyped (3), be provided with some projections (13) be laid on base plate (2), the lower surface of dull and stereotyped (3) and the upper end of protruding (13) against, the part of dull and stereotyped (3) upper surface leans with pressing plate (12).
9. anti-slip plugs and sockets according to claim 8, is characterized in that: described projection (13) is made for elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771444.XA CN105375190B (en) | 2015-11-12 | 2015-11-12 | Anti-slip plugs and sockets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771444.XA CN105375190B (en) | 2015-11-12 | 2015-11-12 | Anti-slip plugs and sockets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105375190A true CN105375190A (en) | 2016-03-02 |
| CN105375190B CN105375190B (en) | 2017-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510771444.XA Active CN105375190B (en) | 2015-11-12 | 2015-11-12 | Anti-slip plugs and sockets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105375190B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069327A (en) * | 2017-03-31 | 2017-08-18 | 中山市联益通网络科技有限公司 | It is a kind of can protection against electric shock, short circuit electric supply installation |
| CN107453133A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | A kind of power supply device |
| CN107453132A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | It is a kind of can protection against electric shock, short circuit power supply device |
| CN107453086A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | A kind of protection against electric shock, short circuit electric supply installation |
| CN107453170A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | It is a kind of to prevent the short-circuit electric supply installation that gets an electric shock |
| CN107471258A (en) * | 2017-08-24 | 2017-12-15 | 黄山市雅龙智能科技有限公司 | A kind of robot device |
| CN108233005A (en) * | 2017-11-17 | 2018-06-29 | 何艳菲 | A kind of electric heater of energy-saving safety |
| CN111934139A (en) * | 2020-08-12 | 2020-11-13 | 李兰芳 | Data transmission mechanism for industrial automatic CNC (computer numerical control) machining |
| CN112103735A (en) * | 2020-11-12 | 2020-12-18 | 南昌冠东科技有限公司 | Sliding type socket convenient for electric appliance to take electricity |
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| CN203205624U (en) * | 2013-04-22 | 2013-09-18 | 王志雄 | Novel power socket |
| CN203674476U (en) * | 2013-11-29 | 2014-06-25 | 宁波唯尔电器有限公司 | Anti-drooping extension line |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5049086A (en) * | 1991-01-22 | 1991-09-17 | Slaven Donald E | Locking wall plate and plug apparatus |
| CN2232163Y (en) * | 1995-09-06 | 1996-07-31 | 李立 | Plug and socket with anti-pull out structure |
| CN202454763U (en) * | 2012-02-15 | 2012-09-26 | 罗钦明 | Anti-falling plug socket |
| CN203205624U (en) * | 2013-04-22 | 2013-09-18 | 王志雄 | Novel power socket |
| CN203674476U (en) * | 2013-11-29 | 2014-06-25 | 宁波唯尔电器有限公司 | Anti-drooping extension line |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069327A (en) * | 2017-03-31 | 2017-08-18 | 中山市联益通网络科技有限公司 | It is a kind of can protection against electric shock, short circuit electric supply installation |
| CN107453133A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | A kind of power supply device |
| CN107453132A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | It is a kind of can protection against electric shock, short circuit power supply device |
| CN107453086A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | A kind of protection against electric shock, short circuit electric supply installation |
| CN107453170A (en) * | 2017-03-31 | 2017-12-08 | 中山市联益通网络科技有限公司 | It is a kind of to prevent the short-circuit electric supply installation that gets an electric shock |
| CN107471258A (en) * | 2017-08-24 | 2017-12-15 | 黄山市雅龙智能科技有限公司 | A kind of robot device |
| CN107471258B (en) * | 2017-08-24 | 2018-08-24 | 浦江县安恒进出口有限公司 | A kind of robot device |
| CN108233005A (en) * | 2017-11-17 | 2018-06-29 | 何艳菲 | A kind of electric heater of energy-saving safety |
| CN111934139A (en) * | 2020-08-12 | 2020-11-13 | 李兰芳 | Data transmission mechanism for industrial automatic CNC (computer numerical control) machining |
| CN112103735A (en) * | 2020-11-12 | 2020-12-18 | 南昌冠东科技有限公司 | Sliding type socket convenient for electric appliance to take electricity |
| CN112103735B (en) * | 2020-11-12 | 2021-08-13 | 南昌冠东科技有限公司 | Sliding type socket convenient for electric appliance to take electricity |
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|---|---|
| CN105375190B (en) | 2017-08-25 |
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Effective date of registration: 20181126 Address after: 401120 No. 7, East Airport Road, Shuangfengqiao Street, Yubei District, Chongqing Patentee after: Chongqing Brilliant Aluminum Furniture Co., Ltd. Address before: 315145 No. 55 Wangwang Road, Yinzhou Binhai Investment and Entrepreneurship Center, Ningbo City, Zhejiang Province Patentee before: Ningbo Ruixiang Electrical Appliance Co., Ltd. |
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Effective date of registration: 20201216 Address after: 402460 station 13, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing Xinrui Technology Service Co.,Ltd. Address before: Building 3, No.7, Konggang East Road, shuangfengqiao street, Yubei District, Chongqing Patentee before: Chongqing Brilliant Aluminum Furniture Co.,Ltd. |
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