CN106981765B - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN106981765B CN106981765B CN201710216838.8A CN201710216838A CN106981765B CN 106981765 B CN106981765 B CN 106981765B CN 201710216838 A CN201710216838 A CN 201710216838A CN 106981765 B CN106981765 B CN 106981765B
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- China
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- tongue plate
- joint surface
- electrical connector
- cylinder
- convex
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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
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to an electric connector, which comprises an insulating body, a conductive terminal and a metal shell, wherein the insulating body comprises a first body, a second body and an insulating base body, the metal shell is provided with a plug hole, the insulating body comprises a main body part and a tongue plate which extends forwards from the main body part into the plug hole, the first body is provided with a first joint surface facing the second body, the second body is provided with a second joint surface facing the first joint surface, a middle spacer is clamped and fixed between the first joint surface and the second joint surface, the insulating base body is formed on the first terminal module, the second terminal module and the middle spacer in an injection molding mode, a cylinder and a convex column which are mutually plugged together are arranged on the first joint surface and the second joint surface, the middle spacer is provided with a round hole for the cylinder to pass through, the cylinder is pressed by interference with the inner wall of the round hole after being expanded by the convex column, the fixing strength of the first body and the second body is increased, the risk of loosening and separation of the first body and the second body is prevented, and the structural strength of the electric connector is improved.
Description
Technical Field
The present invention relates to an electrical connector, and more particularly, to an electrical connector with a metal center spacer.
Background
With the release of the standard, the USB Type-C connector is more and more popular with consumers, has a small volume, a large number of conductive terminals and high manufacturing difficulty, and most manufacturers adopt a terminal insert molding manner, and the related prior art can refer to an electrical connector disclosed in chinese patent publication No. CN105470697A, which includes a first body, a second body, an insulating base, a first terminal set, a second terminal set, a metal middle spacer and a metal shell. The metal shell is provided with a plug hole, the first body, the second body and the insulating base body jointly form a tongue plate positioned in the plug hole, and the first terminal group and the second terminal group are provided with contact parts arranged on the upper surface and the lower surface of the tongue plate. The middle spacer is clamped and fixed between the first terminal module and the second terminal module, the first terminal module and the second terminal module are assembled together, the joint surfaces of the first body and the second body are provided with cylindrical positioning columns and positioning holes which are positioned mutually, and the middle spacer is provided with a round hole for the positioning columns to penetrate through. The cooperation of reference column and reference column mainly plays the effect of location, but, the fixed effect after first, second terminal module and the assembly of mesophragm three is relatively poor, probably causes first, second terminal module to take place to become flexible, break away from the risk of mesophragm.
Therefore, it is necessary to design a new electrical connector to solve the above technical problems.
Disclosure of Invention
An object of the present invention is to provide an electrical connector having improved structural strength.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric connector comprises an insulating body, a plurality of conductive terminals and a metal shell for accommodating the insulating body, wherein the insulating body comprises a first body and a second body, the metal shell is provided with a plug hole, the insulating body comprises a main body part and a tongue plate which extends forwards from the main body part into the plug hole, the conductive terminals comprise a first terminal group and a second terminal group, the first terminal group and the first body form a first terminal module, the second terminal group and the second body form a second terminal module, the first terminal group is provided with a first contact part and a first welding pin, the second terminal group is provided with a second contact part and a second welding pin, the first contact part is arranged on the upper surface of the tongue plate, the second contact part is arranged on the lower surface of the tongue plate, the first body is provided with a first joint surface facing the second body, the second body is provided with a second joint surface facing the first joint surface, and a middle spacer is clamped and fixed between the first joint surface and the second joint surface; the first joint face and the second joint face are provided with a cylinder and a convex column which are mutually inserted, the middle spacer is provided with a round hole for the cylinder to pass through, and the cylinder is expanded by the convex column and then is pressed with the inner wall of the round hole in an interference mode.
The thickness of the middle spacer is smaller than the height of the convex column, and the convex column extends out of the round hole.
In a further improvement, the first joint surface or the second joint surface is provided with a circular concave part, the convex column extends out of the first joint surface or the second joint surface from the concave part, and the tail end of the cylinder is positioned in the concave part.
The improved structure is characterized in that the cylinder is of a circular pipe body structure, and the convex column is of a quincuncial pile shape.
In a further improvement, the convex column comprises four vertical plates, every two adjacent vertical plates are vertically connected, each vertical plate is provided with a horizontal tail end surface, a vertical surface and a guide surface, the guide surface extends to the vertical surface from the tail end surface to the outer side and towards the root direction of the vertical plate, and the guide surface is an inclined surface or a cambered surface.
In a further improvement, the first body and the second body are provided with three cylinders and three convex columns which are respectively positioned on the tongue plate, and connecting lines of the three cylinders and the three convex columns are isosceles triangles.
The tongue plate comprises a first tongue plate and a second tongue plate connecting the first tongue plate and the main body part, wherein one cylinder and one convex column are arranged on the first tongue plate, and the other two cylinders and the other two convex columns are arranged at the joint of the first tongue plate and the second tongue plate.
The tongue plate is further improved, the two side faces of the tongue plate are provided with a concave part and a convex part sheltered in front of the concave part, the outer edge of the middle spacer is provided with a locking edge protruding into the concave part and a guiding edge embedded into the convex part, the outer side face of the locking edge is provided with a locking groove positioned in the concave part, and the guiding edge protrudes out of the outer side face of the convex part.
The metal shell is further improved, the metal shell comprises a top wall and a bottom wall which are arranged in an enclosing mode to form the inserting holes, and two opposite side walls which are used for connecting the top wall and the bottom wall, wherein the two side walls are respectively provided with a first mounting foot and a second mounting foot which is located behind the first mounting foot, and the second mounting foot is located at the rear end of the side wall and tends to be coplanar with the side wall.
The side wall is further improved, the side wall is provided with a through hole which is left by forming the first mounting foot through stamping, the through hole is communicated with the inserting hole, the first mounting foot comprises a horizontal part connected with the side wall and an upright part bent and extended downwards from the tail end of the horizontal part, the horizontal part is flush with the bottom wall, and the second mounting foot extends downwards to exceed the bottom wall.
The first joint surface and the second joint surface of the electric connector are provided with the cylinder and the convex column which are mutually inserted, the middle spacer is provided with the round hole for the cylinder to pass through, the cylinder is expanded by the convex column and then is interfered and pressed with the inner wall of the round hole, the cylinder plays a role of guiding and positioning the middle spacer, the convex column is inserted into the cylinder to expand the cylinder and then is interfered and pressed with the inner wall of the round hole, so that the fixing effect is achieved, the first terminal module and the second terminal module are reliably fixed with the middle spacer into a whole, and the risk that the first terminal module and the second terminal module are loosened and separated from the middle spacer is avoided.
Drawings
Fig. 1 is a perspective view of the electrical connector of the present invention.
Fig. 2 is a front view of the electrical connector of the present invention.
Fig. 3 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is an enlarged view within a circle of fig. 3.
Fig. 5 is a side view of the electrical connector of the present invention.
Fig. 6 is a sectional view taken along the direction B-B of fig. 5.
Fig. 7 is a perspective view of the electrical connector of the present invention, without the metal shell.
Fig. 8 is another angular view of fig. 7.
Fig. 9 is an exploded perspective view of the electrical connector of the present invention.
Fig. 10 is an enlarged view within the circle of fig. 9.
Fig. 11 is another angular view of fig. 9.
Detailed Description
Referring to fig. 1 to 11, the electrical connector 100 of the present invention is a USB Type-C receptacle connector for being mounted on a circuit board (not shown) for being plugged with a mating connector (not shown). The electrical connector 100 includes an insulative housing 10, conductive terminals 20, a metal center spacer 30, and a metal shell 40 that houses the insulative housing 10.
The insulating body 10 includes a first body 11, a second body 12 located below the first body 11, and an insulating base 13 injection molded (over-molding) on the first and second bodies 11, 12. The insulating body 10 further includes a main body 14 and a tongue plate extending forward from the main body 14, the tongue plate includes a first tongue plate 15 and a second tongue plate 16, the second tongue plate 16 connects the main body 14 and the first tongue plate 15, the first tongue plate 15 protrudes forward from the center of the second tongue plate 16, and the width and thickness of the first tongue plate 15 are smaller than those of the second tongue plate 16.
The first body 11 has a first joint surface 110 facing the second body 12, the second body 12 has a second joint surface 120 facing the first joint surface 110, the first joint surface 110 is disposed on the lower surface of the first body 11, and the second joint surface 120 is disposed on the upper surface of the second body 12. The first joint surface 110 and the lower surface 120 are convexly provided with a plurality of cylinders 111, 121 and a plurality of protruding columns 112, 122 which are inserted together one by one, the first body 11 is provided with the cylinder 111 and the protruding column 112, and the second body 12 is provided with the cylinder 111 and the protruding column 122, 121 which are inserted with the cylinder 112 of the first body 11. In this embodiment, the first and second bodies 11 and 12 are commonly provided with three cylinders 111 and 121 and three protruding columns 112 and 122, one of the cylinders 111 and 121 and one of the protruding columns 112 and 122 are disposed on the first tongue plate 15, the other two cylinders 111 and 121 and two of the protruding columns 112 and 122 are disposed at the connection between the first and second tongue plates 15 and 16, and the connection line between the three cylinders 111 and 121 and the three protruding columns 112 and 122 is an isosceles triangle. Of course, in other embodiments, the cylinder 111 is disposed on one of the first and second bodies 11, 12, and the boss 112 is disposed on the other of the first and second bodies 11, 12.
The first joint surface 110 and the second joint surface 120 are provided with circular concave parts 113 and 123, and the convex columns 112 and 122 extend out of the first joint surface 110 and the second joint surface 120 from the concave parts 113 and 123. The outer diameters of the recesses 113 and 123 and the cylinders 111 and 121 are approximately the same, and when the first and second bodies 11 and 12 are assembled, the cylinders 111 and 121 can enter the corresponding recesses 113 and 123.
The cylinders 111 and 121 are circular tube structures, the protruding columns 112 and 122 are disposed in quincuncial pillar shapes, each two adjacent upright plates 124 are vertically connected, each upright plate 124 has a horizontal end face 1241, an upright face 1242, and a guide face 1243 extending outward from the end face 1241 to the upright face 1242 toward the root of the upright plate 124, and the guide face 1243 is an inclined face or a cambered face.
The conductive terminal 20 includes a first terminal set 21 and a second terminal set 22, the first terminal set 21 is insert-molded on the first body 11 to form a first terminal module 210, and the second terminal set 220 is insert-molded on the second body 12 to form a second terminal module 220. The first terminal set 21 has a first contact portion 211 and a first soldering pin 212, and the second terminal set 22 has a second contact portion 221 and a second soldering pin 222. The first contact portion 211 is disposed on the upper surface of the first tongue plate 15, the second contact portion 221 is disposed on the lower surface of the first tongue plate 15, and the first and second soldering legs 212, 222 extend out of the insulating body 10 and are arranged in a row for being soldered to a circuit board.
Well septum 30 centre gripping is fixed between first, second body 11, 12, and well septum 30 includes main body piece 31 and two fixed feet 32 that extend from the left and right sides both ends downward bending of main body piece 31. The main body piece 31 has a plurality of circular holes 311 for the cylinders 111 and 121 to pass through, the thickness of the main body piece 31 is smaller than the height of the cylinders 111 and 121 of the first and second bodies 11 and 12, and the fixing pins 32 are used for fixing or welding on the circuit board.
The left and right edges of the main body piece 31 are provided with a locking edge 314 protruding into the recess 154 of the first tongue plate 15 and a guiding edge 315 embedded into the protrusion 155 of the first tongue plate 15, the outer side of the locking edge 314 is provided with a locking groove 316 located in the recess 154 for locking the locking piece of the mating connector, and the guiding edge 315 protrudes out of the outer side of the protrusion 155 for guiding the locking piece into the recess 154.
The metal shell 40 includes a top wall 41, a bottom wall 42, two opposite side walls 43 connecting the top wall 41 and the bottom wall 42, and a plug hole 44 between the top wall 41, the bottom wall 42 and the two side walls 43. The two side walls 43 are respectively provided with a first mounting leg 431 and a second mounting leg 432 located behind the first mounting leg 431, and the second mounting leg 432 is located at the rear end of the side wall 43 and tends to be coplanar with the side wall 43. The side wall 43 has a through hole 433 left by stamping the first mounting leg 431, and the through hole 433 is communicated with the insertion hole 44. The first mounting leg 431 includes a horizontal portion 434 connected to the side wall 43 and an upright portion 435 extending from a distal end of the horizontal portion 434 in a downward bent manner, the horizontal portion 434 is flush with the bottom wall 42, and the second mounting leg 431 extends downward beyond the bottom wall 42.
Before the insulating base 13 is formed, the first and second terminal modules 210, 220 are assembled with the middle spacer 30, the middle spacer 30 is clamped and fixed by the first and second joint surfaces 110, 120, the cylinders 111, 121 enter the recesses 113, 123 after passing through the corresponding round holes 311 of the middle spacer 30 one by one, the convex columns 112, 123 are inserted into the cylinders 111, 121 one by one through the guidance of the guide surfaces 113, 123, after the convex columns 112, 123 interfere with the cylinders 111, 121, the cylinders 111, 121 are expanded by the convex columns 112, 123, and then form interference with the inner wall of the round hole 311 and press tightly together, so that the first and second terminal modules 210, 220 and the middle spacer 30 are firmly fixed into an integral structure, thereby avoiding the risk that the first and second terminal modules 210, 220 and the middle spacer 30 are loosened and separated after the first and second terminal modules 210, 220 and the middle spacer 30 are assembled, the first and second terminal modules 210, 220 and the middle spacer 30 are easier to assemble, which is beneficial for improving the reliability of the forming of the insulating base 13, and improving the structural strength of the electric connector 100.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (10)
1. An electric connector comprises an insulating body, a plurality of conductive terminals and a metal shell for accommodating the insulating body, wherein the insulating body comprises a first body and a second body, the metal shell is provided with a plug hole, the insulating body comprises a main body part and a tongue plate which extends forwards from the main body part into the plug hole, the conductive terminals comprise a first terminal group and a second terminal group, the first terminal group and the first body form a first terminal module, the second terminal group and the second body form a second terminal module, the first terminal group is provided with a first contact part and a first welding pin, the second terminal group is provided with a second contact part and a second welding pin, the first contact part is arranged on the upper surface of the tongue plate, the second contact part is arranged on the lower surface of the tongue plate, the first body is provided with a first joint surface facing the second body, the second body is provided with a second joint surface facing the first joint surface, and a middle spacer is clamped and fixed between the first joint surface and the second joint surface; the method is characterized in that: the first joint surface and the second joint surface are provided with a cylinder and a convex column which are mutually inserted, the middle spacer is provided with a round hole for the cylinder to pass through, and the cylinder is expanded by the convex column and then is pressed with the inner wall of the round hole in an interference manner; grooves are formed in two sides of the middle partition, the first terminal module and the second terminal module are respectively provided with a T-shaped buckle, and the T-shaped buckles are buckled in the grooves of the middle partition so as to mutually buckle the first terminal module, the middle partition and the second terminal module together.
2. The electrical connector of claim 1, wherein: the thickness of the middle spacer is smaller than the height of the convex column, and the convex column extends out of the round hole.
3. The electrical connector of claim 1, wherein: first composition surface or second composition surface are equipped with circular depressed part, the first composition surface or second composition surface are stretched out from the depressed part to the projection, the drum end is located in the depressed part.
4. The electrical connector of claim 1, wherein: the cylinder is of a circular pipe body structure, and the convex column is of a quincuncial pile shape.
5. The electrical connector of claim 4, wherein: the convex column comprises four vertical plates, every two adjacent vertical plates are vertically connected, each vertical plate is provided with a horizontal tail end surface, a vertical surface and a guide surface, the guide surface extends to the vertical surface from the tail end surface to the outer side and faces the root direction of the vertical plate, and the guide surface is an inclined surface or an arc surface.
6. The electrical connector of claim 1, wherein: the first body and the second body are provided with three cylinders and three convex columns which are respectively positioned on the tongue plate, and connecting lines of the three cylinders and the three convex columns are isosceles triangles.
7. The electrical connector of claim 6, wherein: the tongue plate comprises a first tongue plate and a second tongue plate which connects the first tongue plate and the main body part, wherein one cylinder and one convex column are arranged on the first tongue plate, and the other two cylinders and the two convex columns are arranged at the joint of the first tongue plate and the second tongue plate.
8. The electrical connector of claim 1, wherein: the tongue plate is characterized in that concave parts and convex parts sheltered in the front of the concave parts are arranged on two side faces of the tongue plate, locking edges protruding into the concave parts and guiding edges embedded into the convex parts are arranged on the outer side edges of the middle spacers, locking grooves located in the concave parts are arranged on the outer side faces of the locking edges, and the guiding edges protrude out of the outer side faces of the convex parts.
9. The electrical connector of claim 1, wherein: the metal shell comprises a top wall, a bottom wall and two opposite side walls, the top wall and the bottom wall are arranged in a surrounding mode to form the inserting holes, the two opposite side walls are connected with the top wall and the bottom wall, first mounting feet and second mounting feet located behind the first mounting feet are arranged on the two side walls respectively, and the second mounting feet are located at the rear ends of the side walls and tend to be coplanar with the side walls.
10. The electrical connector of claim 9, wherein: the side wall is provided with a through hole left by a first mounting foot formed by stamping, the through hole is communicated with the plug hole, the first mounting foot comprises a horizontal part connected with the side wall and an upright part bent and extended downwards from the tail end of the horizontal part, the horizontal part is flush with the bottom wall, and the second mounting foot extends downwards to exceed the bottom wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216838.8A CN106981765B (en) | 2017-04-01 | 2017-04-01 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216838.8A CN106981765B (en) | 2017-04-01 | 2017-04-01 | Electrical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106981765A CN106981765A (en) | 2017-07-25 |
| CN106981765B true CN106981765B (en) | 2023-03-14 |
Family
ID=59345491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216838.8A Active CN106981765B (en) | 2017-04-01 | 2017-04-01 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106981765B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796192Y (en) * | 2005-03-03 | 2006-07-12 | 中国电子科技集团公司第二十三研究所 | Detachable jump ring type connection pole and its special unloading tool |
| US7651379B1 (en) * | 2008-10-23 | 2010-01-26 | Hon Hai Precision Ind. Co., Ltd | Cable assembly with improved termination disposition |
| CA2903558C (en) * | 2012-03-06 | 2020-04-28 | Technofast Industries Pty Ltd | High-capacity radial fit coupling bolts |
| CN102769220A (en) * | 2012-07-20 | 2012-11-07 | 叶舒展 | Circuit connector |
| FR2998101B1 (en) * | 2012-11-12 | 2014-11-14 | Dubuis Et Cie | DEVICE FOR FIXING AN ELECTRICAL CONNECTING PITCH ON A SUPPORT |
| CN203859330U (en) * | 2014-05-30 | 2014-10-01 | 上海莫仕连接器有限公司 | Electrical connector |
| CN204315771U (en) * | 2014-11-14 | 2015-05-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN105932472B (en) * | 2016-06-01 | 2018-07-10 | 山西立讯精密工业有限公司 | USB c-type pin connectors |
| CN206976689U (en) * | 2017-04-01 | 2018-02-06 | 启东乾朔电子有限公司 | Electric connector |
-
2017
- 2017-04-01 CN CN201710216838.8A patent/CN106981765B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106981765A (en) | 2017-07-25 |
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