CN110504584B - Electric connector and manufacturing method thereof - Google Patents
Electric connector and manufacturing method thereof Download PDFInfo
- Publication number
- CN110504584B CN110504584B CN201810477457.XA CN201810477457A CN110504584B CN 110504584 B CN110504584 B CN 110504584B CN 201810477457 A CN201810477457 A CN 201810477457A CN 110504584 B CN110504584 B CN 110504584B
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- CN
- China
- Prior art keywords
- insulator
- tongue plate
- base
- insulating body
- conductive terminal
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- 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
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
-
- 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
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
Abstract
An electric connector comprises an insulating body and a plurality of conductive terminals accommodated in the insulating body, wherein the insulating body comprises a base part and a tongue plate positioned at the front end of the base part, each conductive terminal comprises a fixing part fixed on the base part, a contact part formed by extending forwards from the fixing part and exposed on the surface of the tongue plate and a welding part extending backwards from the fixing part, the insulating body is made of a first material and a second material with lower water absorption rate than the first material, the strength of the first material is higher than that of the second material, and the tongue plate is made of the second material between the adjacent contact parts. The tongue plates between the adjacent contact parts of the conductive terminals are made of the second material with low water absorption rate, and the strength of the insulating body is ensured by the first material with high strength, so that the adjacent contact parts between the adjacent contact parts of the conductive terminals cannot be corroded to cause fire due to water absorption of the tongue plates.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector, and more particularly, to an electrical connector capable of being inserted in a forward direction and a reverse direction.
[ background of the invention ]
The chinese patent application CN107332034A discloses an electrical connector, which includes an insulating housing, a plurality of conductive terminals housed in the insulating housing, and a shielding shell covering the insulating housing. The insulating body comprises a base and a tongue plate positioned at the front end of the base, and the conductive terminal comprises a holding part held on the base, a contact part formed by extending forwards from the holding part and exposed on the surface of the tongue plate, and a welding part formed by extending backwards from the holding part. In the prior art, the whole body of the insulating body is made of one material, usually nylon. However, although the nylon material has a high strength, the nylon material has a high water absorption rate, i.e., the insulating body is easily penetrated by liquid to cause corrosion and fire between contact portions of adjacent conductive terminals exposed to the tongue plate.
Accordingly, there is a need for an improved electrical connector that overcomes the above-mentioned deficiencies.
[ summary of the invention ]
The invention aims to provide an electric connector which prevents short circuit and fire between contact parts of adjacent conductive terminals.
In order to achieve the purpose, the invention can be realized by adopting the following technical scheme: an electric connector comprises an insulating body and a plurality of conductive terminals accommodated in the insulating body, wherein the insulating body comprises a base part and a tongue plate positioned at the front end of the base part, each conductive terminal comprises a fixing part fixed on the base part, a contact part formed by extending forwards from the fixing part and exposed on the surface of the tongue plate and a welding part extending backwards from the fixing part, the insulating body is made of a first material and a second material with lower water absorption rate than the first material, the strength of the first material is higher than that of the second material, and the tongue plate is made of the second material between the adjacent contact parts.
Further, the conductive terminals include a first conductive terminal and a second conductive terminal arranged in two rows, the insulating body includes a first insulator for holding the first conductive terminal, a second insulator for holding the second conductive terminal and adapted to the first insulator in the up-down direction, and a third insulator injection-molded outside the first insulator and the second insulator, the first insulator and the second insulator are both made of the second material, and the third insulator is made of the first material.
Further, the first material is nylon, and the second material is liquid crystal polymer.
Further, the insulating body further comprises a step portion, the step portion is located between the tongue plate and the base portion, the outer peripheral surfaces of the base portion and the step portion are made of the first material, the front end and the two lateral sides of the tongue plate are made of the first material, and the tongue plate is made of the second material.
Further, the first insulating body comprises a first base portion, a first step portion located at the front end of the first base portion, and a first tongue plate located at the front end of the first step portion, the second insulating body comprises a second base portion, a second step portion located at the front end of the second base portion, and a second tongue plate located at the front end of the second step portion, the third insulating body comprises a first reinforcing portion and a second reinforcing portion, the first reinforcing portion is wrapped outside the first base portion, the second base portion, the first step portion and the second step portion, and the second reinforcing portion is wrapped around the front ends and the transverse sides of the first tongue plate and the second tongue plate.
Further, the first tongue plate is provided with a first coated part adjacent to the first step part, the second tongue plate is provided with a second coated part adjacent to the second step part, the first coated part is provided with a first through hole which is vertically communicated and is positioned between adjacent first conductive terminals, the second coated part is provided with a second through hole which is vertically communicated and is positioned between adjacent second conductive terminals, the first reinforced part coats the first coated part and the second coated part, and the material of the first reinforced part flows into the first through hole and the second through hole.
Furthermore, a middle shielding sheet for vertically separating the first conductive terminal from the second conductive terminal is clamped between the first insulating body and the insulating body.
Furthermore, the first insulating body further comprises a first installation part formed by extending the first base part backwards, the second insulating body further comprises a second installation part formed by extending the second base part backwards, two transverse sides of the first installation part are respectively concavely provided with a sunken part, a fixing plate is arranged in the sunken part, and two transverse sides of the second installation part are protruded to form clamping hook parts which are limited in the sunken parts in the front-back direction and are buckled on the fixing plate in the up-down direction.
Furthermore, the electric connector further comprises a shielding shell which is coated outside the insulating body, the base part of the insulating body extends backwards to form a mounting part, the shielding shell comprises a cylindrical part which is annularly fixed on the base part and forms a containing cavity with the tongue plate, and a covering part which is positioned at the rear end of the cylindrical part and covers the mounting part, a positioning column protrudes from the upper surface of the mounting part, and the covering part is provided with a positioning hole for the positioning column to be clamped in.
Furthermore, the shielding shell comprises a cylindrical part and a shielding part welded and fixed on the upper surface of the cylindrical part, the shielding part comprises a shielding part covering the upper surface of the cylindrical part and a covering part formed by extending the shielding part backwards, and the covering part is provided with a mounting foot positioned on the side surface.
Compared with the prior art, the tongue plate between the adjacent contact parts of the conductive terminals is made of the second material with low water absorption rate, and the strength of the insulating body is ensured by the first material with high strength, so that the adjacent contact parts cannot be corroded to cause fire due to water absorption of the tongue plate between the contact parts of the adjacent conductive terminals.
[ description of the drawings ]
Fig. 1 is a perspective view of the electrical connector of the present invention.
Fig. 2 is a perspective view of fig. 1 from another perspective.
Fig. 3 is an exploded perspective view of the electrical connector of the present invention.
Fig. 4 is an exploded perspective view of fig. 3 from another perspective.
Fig. 5 is an exploded perspective view of the electrical connector of the present invention with the shield housing removed.
Fig. 6 is an exploded perspective view of fig. 5 from another perspective.
Fig. 7 is a top view of the electrical connector of the present invention with the shield housing removed.
Fig. 8 is a cross-sectional view taken along line a-a of fig. 1.
Fig. 9 is a cross-sectional view taken along line B-B of fig. 1.
[ detailed description ] embodiments
Referring to fig. 1 to 9, an electrical connector 100 of the present invention includes an insulating housing 1, a plurality of conductive terminals 2 housed in the insulating housing 1, a shielding shell 3 covering the insulating housing 1, and a waterproof rubber plate 4 disposed at a rear end of the insulating housing 1 for sealing a gap between the insulating housing 1 and the shielding shell 3. The electrical connector 100 of the present invention is preferably a USB Type C socket connector, but not limited thereto.
The insulating body 1 comprises a base 11, a tongue plate 12 located at the front end of the base 11, and a mounting portion 13 formed by extending backwards from the base 11. The conductive terminal 2 includes a holding portion (not shown) held by the base 11, a contact portion 22 formed to extend forward from the holding portion (not shown) and exposed to the surface of the tongue plate 12, and a soldering portion 23 formed to extend backward from the holding portion (not shown) and corresponding to the mounting portion 13. In order to avoid the occurrence of fire due to corrosion between the contact portions 22 of the adjacent conductive terminals 2 exposed to the tongue plate 12 due to the fact that the insulating body 1 absorbs water seriously, the insulating body 1 is made of a first material and a second material having a lower water absorption rate than the first material, the first material has a higher strength than the second material, and the tongue plate 12 is made of the second material between the adjacent contact portions 22. Preferably, the first material is nylon, and the second material is a liquid crystal polymer, but not limited thereto. Since the tongue plate 12 between the adjacent contact portions 22 is made of the second material having low water absorption, that is, the liquid crystal polymer, the tongue plate 12 is not liable to absorb water, and thus the contact portions 22 adjacent to the conductive terminal 2 are not liable to corrode and ignite. Further, the insulating body 1 further includes a step portion 14 located between the base portion 11 and the tongue portion 12, the outer peripheral surfaces of the base portion 11 and the step portion 14 are made of the first material, the front end and the two lateral sides of the tongue portion 12 are made of the first material, and the tongue portion 12 is made of the second material.
Specifically, the conductive terminals 2 include a first conductive terminal 201 and a second conductive terminal 202 arranged in two rows, the insulating body 1 includes a first insulator 101 for holding the first conductive terminal 201, a second insulator 102 for holding the second conductive terminal 202 and coupled to the first insulator 101 in the vertical direction, and a third insulator 103 injection-molded outside the first insulator 101 and the second insulator 102, the electrical connector 100 further includes a middle shielding plate 5 clamped between the first insulator 101 and the second insulator 102, and the middle shielding plate 5 vertically separates the first conductive terminal 201 and the second conductive terminal 202 to avoid signal crosstalk between the two rows. The first insulator 101 and the second insulator 102 are both made of the second material, and the third insulator 103 is made of the first material. The first insulator 101 includes a first base 1011, a first step 1012 located at a front end of the first base 1011, and a first tongue 1013 located at a front end of the first step 1012. The second insulator 102 includes a second base portion 1021, a second step portion 1022 located at a front end of the second base portion 1021, and a second tongue 1023 located at a front end of the second step portion 1022. The third insulator 103 includes a first reinforcement part 1031 and a second reinforcement part 1032, the first reinforcement part 1031 covers the first base part 1011, the second base part 1021, the first step part 1012 and the second step part 1022, and the second reinforcement part 1032 surrounds the front ends and the two lateral sides of the first tongue plate 1013 and the second tongue plate 1023.
In order to strengthen the combining force between the third insulator 103 and the first insulator 101 and the second insulator 102, the first tongue plate 1013 has a first covered part 1014 adjacent to the first step 1012, the second tongue plate 1023 has a second covered part 1024 adjacent to the second step 1022, the first covered part 1014 is provided with a first through hole 1015 penetrating up and down between the adjacent first conductive terminals 201, the second covered part 1024 is provided with a second through hole 1025 penetrating up and down between the adjacent second conductive terminals 202, the first reinforced part 1031 covers the first covered part 1014 and the second covered part 1024, and the material of the first reinforced part 1031 flows into the first through hole 1015 and the second through hole 1025, thereby increasing the combining force between the first insulator 101, the second insulator 102 and the third insulator 103.
In addition, in order to ensure the reliability of the mating between the first insulator 101 and the second insulator 102, the first insulator 101 further includes a first mounting portion 1016 extending rearward from the first base portion 1011, and the second insulator 102 further includes a second mounting portion 1026 extending rearward from the second base portion 1021 and forming the mounting portion 13 in mating with the first mounting portion 1016. The first mounting portion 1016 is recessed at two lateral sides to form a recessed portion 1017, a retaining plate 1018 is disposed in the recessed portion 1017, and the second mounting portion 1026 is protruded at two lateral sides to form a locking portion 1027 which is limited in the recessed portion 1017 in the front-rear direction and locked on the retaining plate 1018 in the up-down direction.
The shielding shell 3 includes a cylindrical portion 31 fixed to the base portion 11 and forming an accommodating cavity 30 with the tongue plate 12, and a covering portion 321 located at the rear end of the cylindrical portion 31 and covering the mounting portion 13, wherein the covering portion 321 is provided with a mounting leg 3210 located at a side surface thereof and mounted on a circuit board (not shown). In the present invention, the shielding shell 3 has a two-piece structure, and includes the cylindrical portion 31 and the shielding member 32 welded and fixed to the upper surface of the cylindrical portion 31, and the shielding member 32 includes the covering portion 322 welded to the upper surface of the cylindrical portion 31 and the covering portion 321 formed by extending rearward from the covering portion 322. In order to ensure reliable positioning between the insulating body 1 and the shielding shell 3, a positioning column 131 protrudes from the upper surface of the mounting portion 13, and the covering portion 321 is provided with a positioning hole 3211 for the positioning column 131 to be clamped therein. Of course, the cylindrical portion 31 and the covering portion 321 may be an integral structure.
The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.
Claims (8)
1. An electric connector comprises an insulating body and a plurality of conductive terminals accommodated in the insulating body, wherein the insulating body comprises a base part and a tongue plate positioned at the front end of the base part, and each conductive terminal comprises a fixing part fixed on the base part, a contact part formed by extending forwards from the fixing part and exposed on the surface of the tongue plate, and a welding part extending backwards from the fixing part, and the electric connector is characterized in that: the insulating body is composed of a first material and a second material with lower water absorption rate than the first material, the strength of the first material is higher than that of the second material, the tongue plate is composed of the second material between adjacent contact parts, the conductive terminals comprise a first conductive terminal and a second conductive terminal which are arranged in an upper row and a lower row, the insulating body comprises a first insulator for fixing the first conductive terminal, a second insulator for fixing the second conductive terminal and matched with the first insulator in the upper and lower direction, and a third insulator which is injection molded outside the first insulator and the second insulator, the first insulator and the second insulator are both composed of the second material, the third insulator is composed of the first material, the first material is nylon, and the second material is liquid crystal polymer.
2. The electrical connector of claim 1, wherein: the insulating body further comprises a step part, the step part is located between the tongue plate and the base part, the outer peripheral surfaces of the base part and the step part are made of the first material, the front end and the two transverse sides of the tongue plate are made of the first material, and the tongue plate is made of the second material.
3. The electrical connector of claim 1, wherein: the first insulator comprises a first base, a first step portion positioned at the front end of the first base and a first tongue plate positioned at the front end of the first step portion, the second insulator comprises a second base, a second step portion positioned at the front end of the second base and a second tongue plate positioned at the front end of the second step portion, the third insulator comprises a first reinforcing portion and a second reinforcing portion, the first reinforcing portion wraps the first base, the second base, the first step portion and the second step portion, and the second reinforcing portion surrounds the front ends and the transverse sides of the first tongue plate and the second tongue plate.
4. The electrical connector of claim 3, wherein: the first tongue plate is provided with a first coated part adjacent to the first step part, the second tongue plate is provided with a second coated part adjacent to the second step part, the first coated part is provided with a first through hole which is communicated up and down and is positioned between adjacent first conductive terminals, the second coated part is provided with a second through hole which is communicated up and down and is positioned between adjacent second conductive terminals, the first reinforced part coats the first coated part and the second coated part, and the material of the first reinforced part flows into the first through hole and the second through hole.
5. The electrical connector of claim 1, wherein: and a middle shielding sheet for vertically separating the first conductive terminal from the second conductive terminal is clamped between the first insulator and the second insulator.
6. The electrical connector of claim 3, wherein: the first insulator further comprises a first installation part formed by extending the first base part backwards, the second insulator further comprises a second installation part formed by extending the second base part backwards, the two transverse sides of the first installation part are respectively concavely provided with a sunken part, a fixing plate is arranged in the sunken part, and the two transverse sides of the second installation part are extended to be limited in the sunken part in the front-back direction and buckled with the buckling parts of the fixing plate.
7. The electrical connector of claim 1, wherein: the electric connector further comprises a shielding shell coated outside the insulating body, the base part of the insulating body extends backwards to form a mounting part, the shielding shell comprises a cylindrical part and a covering part, the cylindrical part is annularly fixed on the base part and forms a containing cavity with the tongue plate, the covering part is located at the rear end of the cylindrical part and covers the mounting part, a positioning column protrudes from the upper surface of the mounting part, and a positioning hole for the positioning column to be clamped in is formed in the covering part.
8. The electrical connector of claim 7, wherein: the shielding shell comprises a cylindrical part and a shielding part welded and fixed on the upper surface of the cylindrical part, the shielding part comprises a shielding part covering the upper surface of the cylindrical part and a covering part formed by extending the shielding part backwards, and the covering part is provided with a mounting foot positioned on the side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810477457.XA CN110504584B (en) | 2018-05-18 | 2018-05-18 | Electric connector and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810477457.XA CN110504584B (en) | 2018-05-18 | 2018-05-18 | Electric connector and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110504584A CN110504584A (en) | 2019-11-26 |
| CN110504584B true CN110504584B (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810477457.XA Active CN110504584B (en) | 2018-05-18 | 2018-05-18 | Electric connector and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110504584B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075032A (en) * | 1991-12-27 | 1993-08-04 | 矢崎总业株式会社 | Connector |
| CN106058572A (en) * | 2015-04-01 | 2016-10-26 | 莫列斯有限公司 | Connector and manufacturing method therefor |
| CN107369968A (en) * | 2017-06-08 | 2017-11-21 | 启东乾朔电子有限公司 | Electric connector and its manufacture method |
| CN206712108U (en) * | 2017-01-20 | 2017-12-05 | 深圳富明精密工业有限公司 | USB connector is inserted in the new contact terminal of bulb shape and its side |
| CN206834404U (en) * | 2017-06-08 | 2018-01-02 | 启东乾朔电子有限公司 | Electric connector |
| CN107611676A (en) * | 2017-08-04 | 2018-01-19 | 启东乾朔电子有限公司 | Ceramic member and electric connector and its forming method |
| CN107658618A (en) * | 2017-08-10 | 2018-02-02 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN206976683U (en) * | 2017-08-04 | 2018-02-06 | 启东乾朔电子有限公司 | Ceramic member and the electric connector using the ceramic member |
| CN206976660U (en) * | 2017-07-05 | 2018-02-06 | 启东乾朔电子有限公司 | Usb socket connector |
| CN207069145U (en) * | 2017-07-14 | 2018-03-02 | 深圳盛凌电子股份有限公司 | Arrange needle connector and connector assembly |
-
2018
- 2018-05-18 CN CN201810477457.XA patent/CN110504584B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075032A (en) * | 1991-12-27 | 1993-08-04 | 矢崎总业株式会社 | Connector |
| CN106058572A (en) * | 2015-04-01 | 2016-10-26 | 莫列斯有限公司 | Connector and manufacturing method therefor |
| CN206712108U (en) * | 2017-01-20 | 2017-12-05 | 深圳富明精密工业有限公司 | USB connector is inserted in the new contact terminal of bulb shape and its side |
| CN107369968A (en) * | 2017-06-08 | 2017-11-21 | 启东乾朔电子有限公司 | Electric connector and its manufacture method |
| CN206834404U (en) * | 2017-06-08 | 2018-01-02 | 启东乾朔电子有限公司 | Electric connector |
| CN206976660U (en) * | 2017-07-05 | 2018-02-06 | 启东乾朔电子有限公司 | Usb socket connector |
| CN207069145U (en) * | 2017-07-14 | 2018-03-02 | 深圳盛凌电子股份有限公司 | Arrange needle connector and connector assembly |
| CN107611676A (en) * | 2017-08-04 | 2018-01-19 | 启东乾朔电子有限公司 | Ceramic member and electric connector and its forming method |
| CN206976683U (en) * | 2017-08-04 | 2018-02-06 | 启东乾朔电子有限公司 | Ceramic member and the electric connector using the ceramic member |
| CN107658618A (en) * | 2017-08-10 | 2018-02-02 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
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| Publication number | Publication date |
|---|---|
| CN110504584A (en) | 2019-11-26 |
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