CN114267984B - Waterproof electric connector of USB - Google Patents
Waterproof electric connector of USB Download PDFInfo
- Publication number
- CN114267984B CN114267984B CN202010974571.0A CN202010974571A CN114267984B CN 114267984 B CN114267984 B CN 114267984B CN 202010974571 A CN202010974571 A CN 202010974571A CN 114267984 B CN114267984 B CN 114267984B
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- shell
- metal shell
- protection
- metal
- usb
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- 239000002184 metal Substances 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910052628 phlogopite Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to a USB waterproof electric connector, which comprises an insulating body and a metal shell connected with one end of the insulating body, wherein a sealing component is detachably fixed on the outer side of the metal shell, a contact piece for completing electric connection and data transmission is arranged in the insulating body, an insulating block is fixedly connected to one inner side wall of the metal shell, a conductive terminal connected with the contact piece is arranged in the insulating block, and a jack is formed between the upper side of the insulating block and the inner wall of the metal shell. The sealing assembly comprises a protection shell and a plug-in block fixed inside the protection shell, when the protection shell is mounted on the metal shell, the plug-in block is inserted into the jack, and the metal shell is embedded inside the protection shell and in interference fit with the inner wall of the protection shell. Install the protection casing on metal casing for the grafting piece is inserted and is established in the jack, has realized the protection casing to the omnidirectional parcel of metal casing, has effectually protected USB electric connector, has improved life.
Description
Technical Field
The invention relates to the technical field of USB electrical connectors, in particular to a waterproof USB electrical connector.
Background
The universal serial bus (Universal Serial Bus, USB) is a very popular connection interface at present, and because of the variety of the existing USB connectors, the USB connector has a diversified structure, and is widely applied to a plurality of electronic communication industries such as the current computer periphery.
In the prior art, a USB electrical connector is generally composed of an insulating body and a metal housing mounted at one end of the insulating body. When the USB electrical connector is used to charge the electronic device, one end of the USB cable is usually connected to the device, and the other end, that is, the metal shell of the USB electrical connector, is inserted into the power adapter for charging. When the USB electric connector is adopted for data transmission, the metal shell of the USB electric connector is inserted into the USB interface of a PC or other equipment, so that data transmission is realized.
The prior art solutions described above have the following drawbacks: since almost all of the metal housings of the USB electrical connectors on the market are exposed to the outside air when not in use. Because the inside of metal casing is intake easily to external various unstable factors, and then makes the inside electronic device of insulator intake and cause the phenomenon of short circuit, causes USB electric connector's damage, has reduced life.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the USB waterproof electric connector, and the sealing component matched with the metal shell of the USB electric connector is arranged on the metal shell of the USB electric connector, so that the inside of the metal shell is not easy to be filled with water when the USB electric connector is not used, the waterproof capacity of the USB electric connector is enhanced, and the service life of the USB electric connector is prolonged.
The above object of the present invention is achieved by the following technical solutions:
the waterproof USB electric connector comprises an insulating body and a metal shell connected with one end of the insulating body, wherein a sealing assembly is detachably fixed on the outer side of the metal shell, a contact piece used for completing electric connection and data transmission is arranged in the insulating body, an insulating block is fixedly connected to one inner side wall of the metal shell, a conductive terminal connected with the contact piece is arranged in the insulating block, and an inserting hole is formed between the upper side of the insulating block and the inner wall of the metal shell;
the sealing assembly comprises a protection shell and a plug-in block fixed inside the protection shell, when the protection shell is mounted on the metal shell, the plug-in block is inserted into the jack, and the metal shell is embedded inside the protection shell and in interference fit with the inner wall of the protection shell.
Through the technical scheme, when the USB electric connector is not used, the protection shell is arranged on the metal shell, so that the plug-in block is inserted into the jack, the protection shell is wrapped in the metal shell in an omnibearing manner, the phenomenon that external moisture enters the metal shell to cause short circuit is avoided, the USB electric connector is effectively protected, and the service life is prolonged. The outer wall of the metal shell is in interference fit with the inner wall of the protection shell, and the sealing assembly is convenient to pull out and insert on the basis of improving the connection tightness between the outer wall of the metal shell and the inner wall of the protection shell. When the USB electric connector is used, the sealing component is pulled out of the metal shell, the metal shell is inserted into the USB interface to enable the conductive terminal to be in contact with a pin in the interface, connection between the contact piece and the pin is achieved, and charging or data transmission is facilitated. The USB electrical connection has strong waterproof property, simple structure and convenient use, and has strong economic popularization value.
The present invention may be further configured in a preferred example to: the protection casing is close to the outside of the one end of insulator installs the rubber ring, the insulator is close to the outside of one end of metal casing be fixed with rubber ring assorted metal profile of tooth pad.
Through above-mentioned technical scheme, when installing the protection casing on metal casing, after the protection casing is pressed, the rubber ring is pressed into the tooth clearance of metal profile of tooth pad to leave 0.05mm thickness in tooth point department, with filling the defect of protection casing sealed face, produce sealed effect, thereby strengthened USB electric connector's waterproof nature.
The present invention may be further configured in a preferred example to: the plug block is far away from one end fixedly connected with first shielding block of protection casing, install first magnet in the first shielding block, set up flutedly on the insulator, the bottom fixedly connected with second shielding block of recess, install in the second shielding block with the second magnet that first magnet adsorbs the connection.
Through the technical scheme, the first magnet and the second magnet are respectively arranged in the first shielding block and the second shielding block, so that the influence of the magnet on the electronic element in the USB electric connector is avoided. Meanwhile, when the protection shell is installed on the metal shell, the first magnet and the second magnet are mutually adsorbed, so that the sealing assembly is connected with the insulating body more stably. And the rubber ring can be stably pressed into the tooth gap of the metal tooth-shaped pad, so that the sealing effect is further improved, and the water resistance is greatly improved.
The present invention may be further configured in a preferred example to: the inside of insulator is installed with the support, the outside parcel of contact has the plastic overcoat, the plastic overcoat with the inner wall interference fit of support.
Through above-mentioned technical scheme, the support has guaranteed insulator's structural strength, and plastic overcoat parcel contact and with the inner wall interference fit of support to make dust and water be difficult to get into the inside of contact, make USB electric connector has better waterproof dustproof function, better adaptation trend of development.
The present invention may be further configured in a preferred example to: the outside fixedly connected with shielding layer of support, the outside fixedly connected with flame retardant coating of shielding layer.
Through the technical scheme, the shielding layer can shield the influence of external electromagnetic signals on the contact piece in the USB connector, and the working stability of the USB connector is improved. The fireproof layer has good high temperature resistance, so that the USB electric connector can adapt to various severe use environments, the USB electric connector is effectively protected, and the practicability is improved.
The present invention may be further configured in a preferred example to: the contact is kept away from the one end of conductive terminal is connected with the electron line, the electron line wears out insulator, insulator's outside is in electron line department installs the sealing ring.
Through the technical scheme, the sealing performance of the insulating body at the position where the electronic wire passes out is improved by the sealing ring, so that the waterproof performance of the USB electric connector is further improved.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. when not using USB electric connector, install the protection casing on the metal casing for the grafting piece is inserted and is established in the jack, has realized the protection casing to the omnidirectional parcel of metal casing, has avoided external moisture to get into the phenomenon that causes the short circuit in the metal casing, the effectual USB electric connector that has protected has improved life. The outer wall of the metal shell is in interference fit with the inner wall of the protection shell, and the sealing assembly is convenient to pull out and insert on the basis of improving the connection tightness between the outer wall of the metal shell and the inner wall of the protection shell.
When the USB electric connector is used, the sealing component is pulled out of the metal shell, the metal shell is inserted into the USB interface to enable the conductive terminal to be in contact with a pin in the interface, connection between the contact piece and the pin is achieved, and charging or data transmission is facilitated. The USB electrical connection has strong waterproof property, simple structure and convenient use, and has strong economic popularization value.
2. When the protection shell is installed on the metal shell, after the protection shell is pressed, the rubber ring is pressed into the tooth gap of the metal tooth-shaped pad, and the thickness of 0.05mm is left at the tooth tip, so that the defect of the sealing surface of the protection shell is filled, the sealing effect is generated, and the waterproof performance of the USB electric connector is enhanced.
3. The support has guaranteed insulator's structural strength, plastic overcoat parcel contact and with the inner wall interference fit of support to make dust and water be difficult to get into the inside of contact, make USB electric connector has better waterproof dustproof function, better adaptation trend of development.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Reference numerals: 1. an insulating body; 11. a contact; 12. a metal tooth pad; 13. a second shielding block; 131. a second magnet; 14. a bracket; 15. a plastic jacket; 16. a shielding layer; 17. a fire-blocking layer; 18. an electron beam; 19. a seal ring; 2. a metal housing; 21. an insulating block; 22. a conductive terminal; 3. a seal assembly; 31. a protective housing; 32. a plug block; 33. a rubber ring; 34. a first shielding block; 341. a first magnet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the waterproof electric connector for USB disclosed in the invention comprises an insulation body 1 and a metal shell 2 connected with one end of the insulation body 1, wherein a sealing component 3 is detachably fixed on the outer side of the metal shell 2, a contact 11 for completing electric connection and data transmission is arranged in the insulation body 1, an insulation block 21 is fixedly connected to one inner side wall of the metal shell 2, a conductive terminal 22 connected with the contact 11 is installed in the insulation block 21, and an insertion hole is formed between the upper side of the insulation block 21 and the inner wall of the metal shell 2. The seal assembly 3 includes a protection housing 31 and a plug 32 fixed inside the protection housing 31, and when the protection housing 31 is mounted on the metal housing 2, the plug 32 is inserted into the jack, and the metal housing 2 is embedded inside the protection housing 31 and is in interference fit with the inner wall of the protection housing 31.
With reference to fig. 1, a rubber ring 33 is mounted on the outer side of the end of the protective housing 31 near the insulating body 1, and a metal tooth-shaped pad 12 matched with the rubber ring 33 is fixed on the outer side of the end of the insulating body 1 near the metal housing 2. When the protective housing 31 is mounted on the metal housing 2, after the protective housing 31 is pressed, the rubber ring 33 is pressed into the tooth gap of the metal tooth-shaped pad 12, and a thickness of 0.05mm is left at the tooth tip to fill the defect of the sealing surface of the protective housing 31, and a sealing effect is generated, so that the waterproof performance of the USB electric connector is enhanced.
Further, the plug block 32 is fixedly connected with a first shielding block 34 at one end far away from the protective shell 31, a first magnet 341 is installed in the first shielding block 34, a groove is formed in the insulating body 1, a second shielding block 13 is fixedly connected to the bottom of the groove, and a second magnet 131 which is in adsorption connection with the first magnet 341 is installed in the second shielding block 13. The first magnet 341 and the second magnet 131 are respectively disposed in the first shielding block 34 and the second shielding block 13, so that the influence of the magnets on the electronic components inside the USB electric connector is avoided. Meanwhile, when the protection housing 31 is mounted on the metal housing 2, the first magnet 341 and the second magnet 131 are attracted to each other, so that the connection between the sealing assembly 3 and the insulating body 1 is more stable. And the rubber ring 33 can be stably pressed into the tooth gap of the metal tooth pad 12, so that the sealing effect is further improved, and the water resistance is greatly improved.
Referring to fig. 1, a bracket 14 is installed inside the insulating body 1, a plastic jacket 15 is wrapped on the outer side of the contact 11, and the plastic jacket 15 is in interference fit with the inner wall of the bracket 14. The support 14 has guaranteed the structural strength of insulator 1, and plastic overcoat 15 parcel contact 11 just with the inner wall interference fit of support 14 to make dust and water be difficult to get into the inside of contact 11, make USB electric connector have better waterproof dustproof function, better adaptation trend of development.
Further, an electron beam 18 is connected to one end of the contact 11 far away from the conductive terminal 22, the electron beam 18 penetrates out of the insulating body 1, and a sealing ring 19 is mounted on the outer side of the insulating body 1 at the electron beam 18. The sealing ring 19 increases the sealing performance of the insulating body 1 at the position where the electronic wire 18 passes out, thereby further improving the waterproof performance of the USB electrical connector.
The shielding layer 16 is fixedly connected to the outer side of the support 14, and the fireproof layer 17 is fixedly connected to the outer side of the shielding layer 16, in this embodiment, the shielding layer 16 is preferably made of a metal foil material, and the fireproof layer 17 is preferably made of phlogopite material, which can resist 1000 ℃ high temperature, so that the phlogopite cannot be burnt by fire. The shielding layer 16 can shield the influence of external electromagnetic signals on the contact 11 in the USB connector, so that the working stability of the USB connector is improved. The fireproof layer 17 has good high temperature resistance, so that the USB electric connector can adapt to various severe use environments, the USB electric connector is effectively protected, and the practicability is improved.
The implementation principle of the embodiment is as follows: when the USB electric connector is not used, the protection shell 31 is arranged on the metal shell 2, so that the plug block 32 is inserted into the jack, the protection shell 31 is wrapped around the metal shell 2 in an omnibearing manner, the phenomenon that external moisture enters the metal shell 2 to cause short circuit is avoided, the USB electric connector is effectively protected, and the service life is prolonged. The outer wall of the metal shell 2 is in interference fit with the inner wall of the protection shell 31, and the sealing assembly 3 is convenient to pull out and insert on the basis of improving the connection tightness between the outer wall and the protection shell.
When the USB electric connector is used, the sealing component 3 is pulled out of the metal shell 2, and the metal shell 2 is inserted into the USB interface so that the conductive terminal 22 is in contact with a pin in the interface, so that the contact 11 is connected with the pin, and charging or data transmission is facilitated. The USB electrical connection has strong waterproof property, simple structure and convenient use, and has strong economic popularization value.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (4)
1. The utility model provides a waterproof electric connector of USB, includes insulator (1) and with metal casing (2) that one end of insulator (1) is connected, its characterized in that: the device comprises a metal shell (2), wherein a sealing assembly (3) is detachably fixed on the outer side of the metal shell (2), a contact (11) for completing electric connection and data transmission is arranged in the insulation body (1), an insulation block (21) is fixedly connected to one of the inner side walls of the metal shell (2), a conductive terminal (22) connected with the contact (11) is arranged in the insulation block (21), and an inserting hole is formed between the upper side of the insulation block (21) and the inner wall of the metal shell (2);
the sealing assembly (3) comprises a protection shell (31) and a plug-in block (32) fixed inside the protection shell (31), when the protection shell (31) is installed on the metal shell (2), the plug-in block (32) is inserted into the jack, and the metal shell (2) is embedded inside the protection shell (31) and in interference fit with the inner wall of the protection shell (31);
a rubber ring (33) is arranged on the outer side of one end, close to the insulating body (1), of the protective shell (31), and a metal tooth-shaped pad (12) matched with the rubber ring (33) is fixed on the outer side of one end, close to the metal shell (2), of the insulating body (1);
the utility model discloses a protection casing, including protection casing (31) and insulator, including grafting piece (32), first shielding piece (34) of one end fixedly connected with of protection casing (31), install first magnet (341) in first shielding piece (34), set up flutedly on insulator (1), the bottom fixedly connected with second shielding piece (13) of recess, install in second shielding piece (13) with second magnet (131) that first magnet (341) adsorb and be connected.
2. The USB waterproof electrical connector of claim 1, wherein: the insulation body is characterized in that a support (14) is arranged in the insulation body (1), a plastic jacket (15) is wrapped on the outer side of the contact (11), and the plastic jacket (15) is in interference fit with the inner wall of the support (14).
3. A USB waterproof electrical connector according to claim 2, wherein: the outside fixedly connected with shielding layer (16) of support (14), the outside fixedly connected with flame retardant coating (17) of shielding layer (16).
4. A USB waterproof electrical connector according to claim 3, wherein: one end of the contact piece (11) far away from the conductive terminal (22) is connected with an electronic wire (18), the electronic wire (18) penetrates out of the insulating body (1), and a sealing ring (19) is arranged on the outer side of the insulating body (1) at the electronic wire (18).
Priority Applications (1)
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CN202010974571.0A CN114267984B (en) | 2020-09-16 | 2020-09-16 | Waterproof electric connector of USB |
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CN202010974571.0A CN114267984B (en) | 2020-09-16 | 2020-09-16 | Waterproof electric connector of USB |
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CN114267984A CN114267984A (en) | 2022-04-01 |
CN114267984B true CN114267984B (en) | 2023-06-09 |
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CN202010974571.0A Active CN114267984B (en) | 2020-09-16 | 2020-09-16 | Waterproof electric connector of USB |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012134130A (en) * | 2010-12-02 | 2012-07-12 | Jst Mfg Co Ltd | Waterproof connector, and method of manufacturing the same |
CN204304094U (en) * | 2014-12-24 | 2015-04-29 | 东莞讯滔电子有限公司 | Electric connector |
CN109449644A (en) * | 2018-11-19 | 2019-03-08 | 昆山宏泽电子有限公司 | USB Type-C connector with waterproof construction |
CN110380276A (en) * | 2019-08-13 | 2019-10-25 | 富加宜电子(南通)有限公司 | A kind of multifunctional and composite type connector |
EP3591945A1 (en) * | 2017-03-24 | 2020-01-08 | Huawei Technologies Co., Ltd. | Dual-shielding layer usb connector |
JP2020047436A (en) * | 2018-09-18 | 2020-03-26 | 日本圧着端子製造株式会社 | Waterproof connector |
-
2020
- 2020-09-16 CN CN202010974571.0A patent/CN114267984B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012134130A (en) * | 2010-12-02 | 2012-07-12 | Jst Mfg Co Ltd | Waterproof connector, and method of manufacturing the same |
CN204304094U (en) * | 2014-12-24 | 2015-04-29 | 东莞讯滔电子有限公司 | Electric connector |
EP3591945A1 (en) * | 2017-03-24 | 2020-01-08 | Huawei Technologies Co., Ltd. | Dual-shielding layer usb connector |
JP2020047436A (en) * | 2018-09-18 | 2020-03-26 | 日本圧着端子製造株式会社 | Waterproof connector |
CN109449644A (en) * | 2018-11-19 | 2019-03-08 | 昆山宏泽电子有限公司 | USB Type-C connector with waterproof construction |
CN110380276A (en) * | 2019-08-13 | 2019-10-25 | 富加宜电子(南通)有限公司 | A kind of multifunctional and composite type connector |
Non-Patent Citations (2)
Title |
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周华成.最新电工·电子器材手册.山西科学技术出版社,1999,第373-375页. * |
张兴福.防水连接器设计分析及发展趋势.机电元件.2011,第31卷(第06期),第12-17页. * |
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Application publication date: 20220401 Assignee: Shenzhen Yexiang Electronics Co.,Ltd. Assignor: ANFU YEXIANG PRECISION ELECTRONICS Co.,Ltd. Contract record no.: X2024980007215 Denomination of invention: A USB anti water and electricity connector Granted publication date: 20230609 License type: Exclusive License Record date: 20240614 |