CN111293554B - Photoelectric conversion connector - Google Patents
Photoelectric conversion connector Download PDFInfo
- Publication number
- CN111293554B CN111293554B CN202010285966.XA CN202010285966A CN111293554B CN 111293554 B CN111293554 B CN 111293554B CN 202010285966 A CN202010285966 A CN 202010285966A CN 111293554 B CN111293554 B CN 111293554B
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- Prior art keywords
- sleeve
- bending
- connecting end
- wire
- connecting wire
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 58
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- 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
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
- H01R13/562—Bending-relieving
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention belongs to the technical field of connectors, and particularly relates to a photoelectric conversion connector which comprises a first connecting end, a second connecting end and a connecting wire, wherein the first connecting end and the second connecting end are fixedly connected through the connecting wire, protective sleeves are respectively covered outside the first connecting end and the second connecting end, a threaded sleeve is arranged at the upper end of each protective sleeve and is positioned outside the connecting wire, the threaded sleeve is fixedly connected with the connecting wire, the threaded sleeve is screwed with the protective sleeves, a bending-resistant sleeve is fixedly arranged at the upper end of each threaded sleeve and is positioned outside the connecting wire, a plurality of bending-resistant strips are fixedly arranged outside the bending-resistant sleeve, a pull ring is arranged at the middle position of the upper end of the first connecting end, wire bundling cylinders are fixedly arranged at two ends of the pull ring, the wire bundling cylinders are penetrated and matched with the connecting wire, a bundling ring is fixedly arranged at the middle position of the upper end of the pull ring, and when the photoelectric conversion connector is used, the first connecting end and the second connecting end are wrapped through the protective sleeves, simple operation and convenient use.
Description
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a photoelectric conversion connector.
Background
The photoelectric conversion is a process of directly converting solar radiation energy into electric energy through a photovoltaic effect, the principle of the process is that photons transfer energy to electrons to enable the electrons to move so as to form current, a photoelectric conversion device mainly converts optical signals into electric signals through the photoelectric effect, and the photoelectric conversion device is developed rapidly from the photoelectric effect to the present, various photoelectric conversion devices are widely applied to various industries at present, and the photoelectric converter and a photovoltaic device are generally electrically connected through a photoelectric conversion connector which is an extremely important connecting part.
The existing photoelectric conversion connector has the following problems in the use process: the connecting end of the connector is mostly exposed in the air when not in use, and the outside of the end lacks a better protection structure, so that the end is easy to damage and the use of the connector is influenced; the connecting wire of the connector has a certain length, and in the connecting process, the overlong connecting wire is easy to wind and drag, so that the connecting wire is damaged, and the use of the connector is influenced; after the connecting part of the connecting wire and the connecting end is bent for many times in the using process, the connecting wire is easy to damage and break, and the use of the connector is influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a photoelectric conversion connector which has the characteristics of simple operation and convenient use.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a photoelectric conversion connector, including a connection end, No. two connection ends and connecting wire, a connection end passes through connecting wire fixed connection with No. two connection ends, a connection end all covers with No. two connection end's outside and has closed the lag, the outside that the upper end of lag is located the connecting wire is provided with the thread bush, thread bush and connecting wire fixed connection, the thread bush closes with the lag soon to be connected, the outside that the upper end of thread bush is located the connecting wire is fixed with the bending-resistant cover, the outside of bending-resistant cover is fixed with a plurality of bending-resistant strip, the upper end intermediate position department of a connection end is provided with the pull ring, the both ends of pull ring all are fixed with a pencil section of thick bamboo, a pencil section of thick bamboo and connecting wire wear to close mutually, the upper end intermediate position department of pull ring is fixed with a pencil.
According to the optimal technical scheme of the photoelectric conversion connector, the outer surface of the threaded sleeve is provided with external threads which are arranged uniformly, the inner surface of the upper end of the protective sleeve is provided with internal threads which are arranged uniformly, the protective sleeve is of a conical structure and is narrow at the upper part and wide at the lower part, the middle positions of the two side surfaces of the protective sleeve are respectively fixed with the rotary block which is of an arc-shaped structure, and the bottom end of the protective sleeve is provided with the sealing element.
As a preferred technical scheme of the photoelectric conversion connector, the sealing element is composed of a plurality of fan-shaped gaskets which are annularly arranged and are fixedly connected with the inner wall of the first connecting end.
As a preferred technical scheme of the photoelectric conversion connector, the upper end and the lower end of the bending-resistant sleeve are both in a conical structure, and the bending-resistant strip is in a U-shaped structure and is perpendicular to the bending-resistant sleeve.
As a preferred technical solution of the photoelectric conversion connector of the present invention, a first annular packing pad is fixed to an inner surface of the pull ring, and a second annular packing pad is fixed to an inner surface of the collar.
As a preferred technical solution of the photoelectric conversion connector of the present invention, the wire bundling cylinders are symmetrically arranged and parallel to each other.
As a preferable embodiment of the photoelectric conversion connector of the present invention, the bending-resistant sheath is an elastic member.
Compared with the prior art, the invention has the beneficial effects that: the connector comprises a first connecting end, a second connecting end and a connecting line for connecting the first connecting end and the second connecting end, protective sleeves are arranged outside the first connecting end and the second connecting end, the protective sleeves are rotated relative to the threaded sleeves when in use, the first connecting end and the second connecting end are exposed outside and then are used in an inserting mode, after the connector is used, the protective sleeves are reversely rotated relative to the threaded sleeves, the first connecting end and the second connecting end are wrapped through the protective sleeves, the protective sleeves are convenient to fold and unfold, and the first connecting end and the second connecting end can be conveniently protected through the protective sleeves; when the connecting wire is used, the pull ring is hooked by fingers, the pull ring drives the wire bundling cylinder to slide relative to the connecting wire, the excessive sections on the upper part of the connecting wire are bundled by the wire bundling cylinder, meanwhile, the excessive sections on the upper part of the connecting wire are further penetrated, combined and bundled by the bundling ring, the connecting wire is convenient to bundle, and the connecting wire is not easy to wind and drag the floor; when the anti-bending device is used, the anti-bending strength of the connecting wire is enhanced through the anti-bending sleeve, so that the connecting wire joint is not easy to break, the bending strength around the anti-bending sleeve is further enhanced through the anti-bending strips, the protection of the connecting wire joint is facilitated through the anti-bending sleeve and the anti-bending strips, and the connecting wire joint is not easy to break.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of the connecting section of the protective cover according to the present invention;
FIG. 4 is a schematic view of the external structure of the pull ring connection of the present invention;
FIG. 5 is a schematic view of the connection of the protective sleeve with the external structure according to the present invention;
FIG. 6 is a schematic view of the outer structure of the bending-resistant sheath according to the present invention;
FIG. 7 is a schematic top view of the seal of the present invention;
in the figure: 1. a first connecting end; 2. a second connecting end; 3. a connecting wire; 4. a threaded sleeve; 5. a protective sleeve; 6. a wire bundling cylinder; 7. a pull ring; 8. a bending-resistant sleeve; 9. rotating the block; 10. a seal member; 11. a first annular pad; 12. a collar; 13. a second annular pad; 14. anti-bending strips; 15. a fan-shaped pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, the present invention provides the following technical solutions: a photoelectric conversion connector comprises a first connecting end 1, a second connecting end 2 and a connecting wire 3, wherein the first connecting end 1 and the second connecting end 2 are fixedly connected through the connecting wire 3, a protecting sleeve 5 is covered outside the first connecting end 1 and the second connecting end 2, a thread sleeve 4 is arranged on the upper end of the protecting sleeve 5 and located outside the connecting wire 3, the thread sleeve 4 is fixedly connected with the connecting wire 3, the thread sleeve 4 is connected with the protecting sleeve 5 in a screwing mode, a bending-resistant sleeve 8 is fixed on the upper end of the thread sleeve 4 and located outside the connecting wire 3, a plurality of bending-resistant strips 14 are fixed on the outer portion of the bending-resistant sleeve 8, a pull ring 7 is arranged at the middle position of the upper end of the first connecting end 1, a wire bunching cylinder 6 is fixed at both ends of the pull ring 7, the wire bunching cylinder 6 is penetrated with the connecting wire 3, a bunching ring 12 is fixed at the middle position of the upper end of the pull ring 7, and in the embodiment, a connecting end 1, The second connecting end 2 and the connecting wire 3 can be referred to a photoelectric conversion connector with the LC model, when the connector is used, the protective sleeve 5 is rotated relative to the threaded sleeve 4, the first connecting end 1 and the second connecting end 2 are exposed outside and then are spliced for use, after the connector is used, the protective sleeve 5 is reversely rotated relative to the threaded sleeve 4, the first connecting end 1 and the second connecting end 2 are wrapped through the protective sleeve 5, the protective sleeve 5 is convenient to fold and unfold, and the first connecting end 1 and the second connecting end 2 are convenient to protect through the protective sleeve 5; when the connecting wire is used, the pull ring 7 is hooked by fingers, the pull ring 7 drives the wire bundling cylinder 6 to slide relative to the connecting wire 3, the excessive sections on the upper part of the connecting wire 3 are bundled by the wire bundling cylinder 6, meanwhile, the excessive sections on the upper part of the connecting wire 3 are further penetrated, combined and bundled by the bundling ring 12, the connecting wire 3 is convenient and fast to bundle, and the connecting wire 3 is not easy to wind and drag the ground; when the anti-bending device is used, the anti-bending strength of the connecting wire 3 is enhanced through the anti-bending sleeve 8, so that the joint of the connecting wire 3 is not prone to fracture, the bending strength around the anti-bending sleeve 8 is further enhanced through the anti-bending strips 14, the protection of the joint of the connecting wire 3 is facilitated through the anti-bending sleeve 8 and the anti-bending strips 14, and the joint of the connecting wire 3 is not prone to fracture.
Specifically, the external screw thread of impartial range is seted up to the surface of thread bush 4, the internal thread of impartial range is seted up to the upper end internal surface of lag 5, lag 5 is the toper structure and goes up narrow wide down, both sides surface intermediate position department of lag 5 all is fixed with and revolves piece 9, it is the arc structure to revolve piece 9, the bottom of lag 5 is provided with sealing member 10, thread bush 4 is the plastic in this embodiment, be fixed in the outside of connecting wire 3, an upper and lower rotating for lag 5, lag 5 is the plastic, a protection for connecting end 1 and No. two connecting end 2, it is the plastic to revolve piece 9, be convenient for the rotating of lag 5.
Specifically, sealing member 10 comprises the fan-shaped pad 15 of a plurality of, and fan-shaped pad 15 is the annular and arranges and all be connected the inner wall fixed connection of end 1 with one, and fan-shaped pad 15 is the silica gel material in this embodiment, is the annular through the fan-shaped pad 15 of a plurality of departments and arranges the combination and form sealing member 10, is convenient for the sealed of lag 5 bottoms through sealing member 10, simultaneously, does not influence a connection end 1 and No. two connection end 2 tops and moves and stretch out.
Specifically, both ends are the toper structure about bending-resistant cover 8, bending-resistant strip 14 is the U-shaped structure and with bending-resistant cover 8 mutually perpendicular, bending-resistant cover 8 is the rubber material in this embodiment, certain elasticity has, bending-resistant strip 14 is the rubber material, certain elasticity has, be equipped with everywhere, and be the annular arrangement, in the use, through the bending-resistant bending strength of 8 reinforcing connecting wires 3 and the 4 junctions of thread bush of bending-resistant cover, and simultaneously, through the bending-resistant bending strength around 8 of the outside a plurality of department of bending-resistant cover 14 further reinforcing bending-resistant cover 8 all around, the difficult fracture of connecting wires 3 junction.
Specifically, the internal surface of pull ring 7 is fixed with annular pad 11 No. one, the internal surface of collar 12 is fixed with annular pad 13 No. two, bundle of tubes 6 is the rubber material in this embodiment, be equipped with two places, be convenient for 3 upper portion surplus sections of connecting wire are received and are restrainted, pull ring 7 is the plastic matter, be convenient for two places bunch of tubes 6 stimulate from top to bottom, annular pad 11 is the rubber material, alleviate the wearing and tearing between finger and the pull ring 7, it is the plastic matter to restraint collar 12, be convenient for the further wearing and shutting of 3 upper portion surplus sections of connecting wire close and restraint, annular pad 13 No. two is the rubber material, alleviate the wearing and tearing between connecting wire 3 and the collar 12.
Specifically, the harness tubes 6 are symmetrically arranged.
Specifically, the bending-resistant sheath 8 is an elastic member.
The working principle and the using process of the invention are as follows: when the connecting device is used, the protective sleeve 5 is screwed on the threaded sleeve 4 through the rotary block 9, the protective sleeve 5 moves upwards, the first connecting end 1 or the second connecting end 2 is exposed, in the process, the end part of the first connecting end 1 or the second connecting end 2 pushes a plurality of fan-shaped pads 15 in the sealing piece 10, the fan-shaped pads 15 are stressed and opened, the first connecting end 1 or the second connecting end 2 is exposed, the first connecting end 1 and the second connecting end 2 are respectively spliced with the photovoltaic device and the photoelectric converter, the connecting wire 3 is pulled upwards by one hand, the pull ring 7 is pulled downwards by one hand, the bunching barrel 6 and the connecting wire 3 are pulled up and down relatively, the bunching barrel 6 is stroked to the bottom end of the connecting wire 3, excessive sections on the upper part of the connecting wire 3 are bunched, and excessive sections on the upper part of the second connecting end 2 are threaded and plugged into the bunching ring 12, so that the bunching of the connecting wire 3 is completed, in the use process, the bending strength of the joint of the connecting wire 3 and the threaded sleeve 4 is enhanced through the bending-resistant sleeve 8, meanwhile, the bending strength of the periphery of the bending-resistant sleeve 8 is further enhanced through the bending-resistant strips 14 at a plurality of peripheral positions outside the bending-resistant sleeve 8, and the joint of the connecting wire 3 is not easy to break.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A photoelectric conversion connector characterized in that: comprises a first connecting end (1), a second connecting end (2) and a connecting wire (3), wherein the first connecting end (1) is fixedly connected with the second connecting end (2) through the connecting wire (3), the first connecting end (1) and the second connecting end (2) are respectively covered with a protective sleeve (5), the upper end of the protective sleeve (5) is positioned outside the connecting wire (3) and is provided with a thread sleeve (4), the thread sleeve (4) is fixedly connected with the connecting wire (3), the thread sleeve (4) is connected with the protective sleeve (5) in a screwing way, the upper end of the thread sleeve (4) is positioned outside the connecting wire (3) and is fixedly provided with a bending-resistant sleeve (8), the outer part of the bending-resistant sleeve (8) is fixedly provided with a plurality of bending-resistant strips (14), the middle position of the upper end of the first connecting end (1) is provided with a pull ring (7), two ends of the pull ring (7) are respectively fixedly provided with a wire bundling barrel (6), the wire bundling cylinder (6) is penetrated and combined with the connecting wire (3), and a bundling ring (12) is fixed at the middle position of the upper end of the pull ring (7);
the outer surface of the threaded sleeve (4) is provided with external threads which are arranged equally, the inner surface of the upper end of the protective sleeve (5) is provided with internal threads which are arranged equally, the protective sleeve (5) is of a conical structure and is narrow at the upper part and wide at the lower part, the middle positions of the surfaces of the two sides of the protective sleeve (5) are respectively fixed with a rotary block (9), the rotary blocks (9) are of an arc-shaped structure, and the bottom end of the protective sleeve (5) is provided with a sealing element (10);
the sealing element (10) is composed of a plurality of fan-shaped pads (15), the fan-shaped pads (15) are in a fan shape taking one-eighth circle as arc, are arranged in an annular shape and are fixedly connected with the inner wall of the first connecting end (1) or the second connecting end (2);
the upper end and the lower end of the bending-resistant sleeve (8) are both in a conical structure, and the bending-resistant strip (14) is in a U-shaped structure and is vertical to the bending-resistant sleeve (8).
2. A photoelectric conversion connector according to claim 1, wherein: a first annular packing pad (11) is fixed on the inner surface of the pull ring (7), and a second annular packing pad (13) is fixed on the inner surface of the binding ring (12).
3. A photoelectric conversion connector according to claim 1, wherein: the wire bundling cylinders (6) are symmetrically arranged.
4. A photoelectric conversion connector according to claim 1, wherein: the bending-resistant sleeve (8) is an elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285966.XA CN111293554B (en) | 2020-04-13 | 2020-04-13 | Photoelectric conversion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285966.XA CN111293554B (en) | 2020-04-13 | 2020-04-13 | Photoelectric conversion connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111293554A CN111293554A (en) | 2020-06-16 |
| CN111293554B true CN111293554B (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010285966.XA Active CN111293554B (en) | 2020-04-13 | 2020-04-13 | Photoelectric conversion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111293554B (en) |
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| CN203260781U (en) * | 2013-04-17 | 2013-10-30 | 深圳市怡华兴电子有限公司 | Anti-bending USB connection wire plug |
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| CN208655982U (en) * | 2018-07-11 | 2019-03-26 | 广州市亿路洁化工有限公司 | A kind of direct current output line for multimeter detection |
| CN209016373U (en) * | 2018-12-24 | 2019-06-21 | 深圳市聚胜得电子有限公司 | A kind of smart phone patchcord |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475177Y (en) * | 2001-04-18 | 2002-01-30 | 洛阳玻璃股份有限公司 | Electric shock preventing electric power plug |
| US8535088B2 (en) * | 2009-10-20 | 2013-09-17 | Apple Inc. | Magnetic connector having a unitary housing |
| CN102280721A (en) * | 2011-05-23 | 2011-12-14 | 东莞市永兴电子科技有限公司 | Light-emitting diode (LED) lamp waterproof connector and manufacturing process thereof |
| CN202797398U (en) * | 2012-09-25 | 2013-03-13 | 李昊宇 | Safety plug |
| CN203260781U (en) * | 2013-04-17 | 2013-10-30 | 深圳市怡华兴电子有限公司 | Anti-bending USB connection wire plug |
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| Publication number | Publication date |
|---|---|
| CN111293554A (en) | 2020-06-16 |
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