CN114784548A - Electrical connector with improved contact arrangement - Google Patents
Electrical connector with improved contact arrangement Download PDFInfo
- Publication number
- CN114784548A CN114784548A CN202210479708.4A CN202210479708A CN114784548A CN 114784548 A CN114784548 A CN 114784548A CN 202210479708 A CN202210479708 A CN 202210479708A CN 114784548 A CN114784548 A CN 114784548A
- Authority
- CN
- China
- Prior art keywords
- insulating
- conductive terminals
- insulating body
- electrical connector
- holding section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
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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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
Abstract
The invention provides an electric connector, which comprises an insulating body, a terminal module and a shielding shell, wherein the terminal module is accommodated and fixed in the insulating body, the shielding shell is shielded and fixed outside the insulating body, the insulating body is provided with a forward open butt joint cavity and a plurality of terminal grooves communicated with the butt joint cavity, the terminal module comprises two rows of conductive terminals and an insulating piece fixed outside the conductive terminals, the conductive terminals are provided with contact arms exposed in the butt joint cavity, fixing parts embedded in the insulating piece and tail parts extending out of the insulating body, at least part of the fixing parts of the conductive terminals comprise first fixing sections extending along a first direction and second fixing sections bending from the first fixing sections to extend along a second direction, and the first fixing sections, the second fixing sections and the connected parts thereof are embedded in the insulating piece. The electric connector has better coplanarity.
Description
Technical Field
The present invention relates to an electrical connector.
Background
The traditional electric connector comprises an insulating body and two rows of conductive terminals fixed in the insulating body, wherein the two rows of conductive terminals are respectively embedded and formed in different insulating pieces, and the coplanarity of the tail parts of the conductive terminals is generally poor when the fixing parts of the conductive terminals need to be bent, so that poor welding between the conductive terminals and a circuit board is caused.
In view of the above, there is a need for an improved electrical connector to solve the above problems.
Disclosure of Invention
The invention aims to provide an electric connector with better coplanarity.
In order to achieve the above object, the present invention provides an electrical connector, which includes an insulative housing, a terminal module received and fixed in the insulative housing, and a shielding shell shielding and fixed outside the insulative housing, the insulating body is provided with a forward-opened butt-joint cavity and a plurality of terminal grooves communicated with the butt-joint cavity, the terminal module comprises two rows of conductive terminals and an insulating piece fixed outside the conductive terminals, the conductive terminals are provided with contact arms exposed in the butting cavity, fixing parts embedded in the insulating piece and tail parts extending out of the insulating body, at least part of the fixing parts of the conductive terminals comprise first fixing sections extending along a first direction and second fixing sections bent from the first fixing sections and extending along a second direction, the first fixing section, the second fixing section and the connecting part thereof are embedded in the insulating piece.
As a further improvement of the present invention, the insulating member includes a first insulating member and a second insulating member assembled in the insulating body, wherein one row of the conductive terminals is embedded in the first insulating member, and the other row of the conductive terminals is embedded in the second insulating member.
In a further improvement of the present invention, the first insulating member has a notch formed at a lower side thereof for receiving the second insulating member, and the first and second insulating members are respectively engaged with the insulating body.
As a further improvement of the present invention, the second insulating member has a pair of first engaging portions protruding from both sides in the transverse direction thereof and a second engaging portion protruding from one side in the height direction thereof, the first insulating member has a plurality of third engaging portions protruding from both sides in the transverse direction thereof and a fourth engaging portion protruding from one side in the height direction thereof, and the third engaging portions are divided into two groups which are staggered in the front-rear direction.
As a further improvement of the present invention, a set of the third latching portions and the first latching portions on the same side of the second insulating member are aligned in the front-rear direction, so as to slide into the corresponding latching grooves along the same sliding groove.
As a further improvement of the present invention, the shielding shell has a top wall and a pair of side walls connected to the top wall, a plugging cavity for inserting a mating connector is formed between the top wall and the insulating body at an interval, the insulating body has holding grooves concavely formed on the top surface and the bottom surface thereof, and the shielding shell is provided with holding clamp arms matched with the corresponding holding grooves.
As a further improvement of the present invention, the holding clip arm is formed by bending from the side walls, each of the side walls has a support arm located between the top surface and the bottom surface in the height direction, and the front end of the support arm is a free end and has a tendency to extend toward the inner side of the shielding shell.
As a further improvement of the invention, the bottom surface of the insulating body is provided with a plurality of concave parts which are concave upwards and used for reducing the material thickness at corresponding positions.
As a further improvement of the present invention, the extending direction of the tail portion is parallel to the mating direction of the electrical connector, the contact arms of the two rows of conductive terminals are oppositely arranged in the height direction, and the tail portions of the two rows of conductive terminals extend along the direction deviating from each other.
As a further improvement of the present invention, the tail of the conductive terminal having the first holding section and the second holding section protrudes backward out of the insulator.
The electric connector of the invention sets the holding part of at least part of the conductive terminals to comprise the first holding section extending along the first direction and the second holding section bending from the first holding section and extending along the second direction, and embeds the first holding section, the second holding section and the connected parts thereof in the insulating piece, thereby ensuring the coplanarity of the tail parts of the conductive terminals and further ensuring the stability of the connection between the conductive terminals and an external circuit board.
Drawings
Fig. 1 is a perspective assembly view of the electrical connector of the present invention.
Fig. 2-3 are views of the electrical connector of fig. 1 from another perspective.
Fig. 4 is an exploded perspective view of the electrical connector of fig. 1.
Fig. 5 is a view of the electrical connector of fig. 4 from another perspective.
Fig. 6 is a perspective view of the electrical connector of fig. 1 with the shutter housing removed.
Fig. 7 is a side view of a terminal module of the electrical connector of fig. 1.
Fig. 8 to 9 are sectional views of the electrical connector shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 9, an electrical connector 100 according to a preferred embodiment of the present invention is shown, wherein the electrical connector 100 includes an insulative housing 1, a terminal module received and fixed in the insulative housing 1, and a shielding shell 4 shielding and fixed outside the insulative housing 1.
Referring to fig. 1 to 6 in combination with fig. 8 and 9, the insulation body 1 has a forward-open docking cavity 10 and a plurality of terminal slots 12 communicated with the docking cavity 10, specifically, the insulation body 1 has an upper wall 13, a lower wall 14 and a pair of connecting walls 15 connecting the upper wall 13 and the lower wall 14, the upper wall 13, the lower wall 14 and the pair of connecting walls 15 together enclose the docking cavity 10, the docking cavity 10 penetrates the insulation body 1 along the front-back direction, and the front portions of the terminal slots 12 are recessed and formed on the upper wall 13 or the lower wall 14.
The insulative housing 1 has a plurality of retention slots 102 recessed in the top and bottom surfaces thereof, and specifically, the top surface of the upper wall 13 is provided with a pair of retention slots 102 recessed downward, the bottom surface of the lower wall 14 is provided with a pair of retention slots 102 recessed upward, and the retention slots 102 are disposed on two sides of the insulative housing 1 in the transverse direction and adjacent to the outer surface of the connecting wall 15.
Each of the connecting walls 15 has a pair of sliding grooves 151 formed by recessing forward from the rear end surface thereof and a locking groove 152 communicating with the corresponding sliding groove 151, and the pair of sliding grooves 151 and the locking groove 152 are recessed inside the connecting wall 15. The pair of sliding grooves 151 includes a first sliding groove 1512 and a second sliding groove 1513 that are spaced apart from each other in a height direction, one of the latching grooves 152 is communicated with the first sliding groove 1512 and is formed by being recessed outward from a groove wall of the first sliding groove 1512, and the two latching grooves 152 are communicated with the second sliding groove 1513 and are formed by being recessed outward from a groove wall of the second sliding groove 1513.
In addition, each of the connecting walls 15 further has a recessed area 153 recessed on the outer surface thereof and a limiting groove 154 located in the recessed area 153, and the recessed areas 153 are communicated with the holding grooves 102 located on the same side.
The insulating body 1 further has a receiving area 131 formed on the upper wall 13 by being recessed downward, a pair of first latching holes 132 formed through the upper wall 13, and a pair of second latching holes 142 formed through the lower wall 14, wherein the first latching holes 132 are located in the range of the receiving area 131 and are communicated with the receiving area 131.
The bottom surface of the insulating body 1 is provided with a plurality of concave portions 141 which are concave upwards and used for reducing the material thickness at corresponding positions. In addition, the insulating body 1 further has a pair of mounting posts 16 formed to protrude downward from a bottom surface thereof to be mounted on an external circuit board.
Referring to fig. 2 to 9, the terminal module includes two rows of conductive terminals 2 and an insulator 3 fixed outside the conductive terminals 2, where the conductive terminals 2 have contact arms 21 exposed in the mating cavities 10, holding portions 23 embedded in the insulator 3, and tail portions 24 extending out of the insulating body 1.
The holding portion 23 of at least some of the conductive terminals 2 includes a first holding section 231 extending along a first direction and a second holding section 232 bent from the first holding section 231 to extend along a second direction, and the first holding section 231, the second holding section 232 and the connecting portions thereof are embedded in the insulating member 3.
The tail 24 of the conductive terminal 2 having the first and second holding sections 231 and 232 protrudes rearward out of the insulator 3.
Specifically, in the present invention, the conductive terminals 2 are divided into two rows spaced apart from each other in the height direction, the contact arms 21 of the two rows of conductive terminals 2a and 2b are disposed opposite to each other in the height direction, and each of the contact arms 21 has a contact portion 212 formed to protrude toward the other row of conductive terminals 2. In this embodiment, one row of the conductive terminals 2a is an upper row of the conductive terminals, and the other row of the conductive terminals 2b is a lower row of the conductive terminals, and the holding portion 23 of the conductive terminal 2a includes the first holding section 231 and the second holding section 232.
The extending direction of the tail portion 24 is parallel to the mating direction of the electrical connector 100, and the tail portions 24 of the two rows of conductive terminals 2a and 2b extend along the direction deviating from each other, so that the signal loss during the transmission of the high-frequency signal is less, and the transmission performance is more stable. In the present embodiment, the tail portion 24 of the conductive terminal 2a located on the upper side of the contact arm 21 extends to the rear side in the horizontal direction, and the tail portion 24 of the conductive terminal 2b located on the lower side of the contact arm 21 extends to the front side in the horizontal direction.
Referring to fig. 2 to 5 in combination with fig. 7 to 9, the insulating member 3 includes a first insulating member 31 and a second insulating member 32 assembled in the insulating body 1, wherein a row of conductive terminals 2a is embedded and formed in the first insulating member 31, and another row of conductive terminals 2b is embedded and formed in the second insulating member 32. The holding portion 23 of the other row of conductive terminals 2b extends along the horizontal direction, and the rear end thereof is located at the rear side of the second insulator 32.
The first insulator 31 has a notch formed at a lower side thereof for receiving the second insulator 32, and the first and second insulators 31 and 32 are respectively engaged with the insulator body 1. Specifically, the first insulating member 31 is L-shaped as a whole, and covers two adjacent sides of the second insulating member 32.
The second insulating member 32 has a pair of first engaging portions 321 protruding from both sides in the transverse direction thereof and a second engaging portion 322 protruding from one side in the height direction thereof, the first insulating member 31 has a plurality of third engaging portions 312 protruding from both sides in the transverse direction thereof and a fourth engaging portion 313 protruding from one side in the height direction thereof, the third engaging portions 312 are divided into two groups staggered in the front-rear direction, the group of third engaging portions 312 located on the front side is also referred to as a third engaging portion 3121, and the group of third engaging portions 312 located on the rear side is also referred to as a third engaging portion 3122.
One set of the third buckling portions 3122 is aligned with the first buckling portions 321 on the same side of the second insulating member 32 in the front-rear direction so as to slide into the corresponding buckling grooves 152 along the same sliding groove 151, and the third buckling portions 3122 are located at the rear side of the first buckling portions 321; the other set of the third buckling portions 3121 is aligned with the first buckling portions 321 on the same side of the second insulating member 32 in the height direction.
Further, the first insulating member 31 has a pair of first guide portions 315 located on both sides in the lateral direction thereof and a pair of second guide portions 316 oppositely disposed on both sides in the lateral direction thereof; the second insulating member 32 has a pair of third guiding portions 323 located at two sides thereof and protruding outward, and the first, second, and third guiding portions 315, 316, 323 extend in the front-back direction and are accommodated in the corresponding sliding slots 151.
The third latching portions 3122 protrude outside the corresponding second guide portions 316, the third latching portions 3121 protrude outside the corresponding first guide portions 315, and the first latching portions 321 protrude outside the corresponding third guide portions 323.
The fourth fastening portion 313 protrudes upwards into the corresponding first fastening hole 132 to fix the first insulating element 31 to the insulating body 1, and the second fastening portion 322 protrudes downwards into the corresponding second fastening hole 142 to fix the second insulating element 32 to the insulating body 1.
Referring to fig. 1 to 5 in combination with fig. 8 and 9, the shielding shell 4 has a top wall 41 and a pair of side walls 42 connected to the top wall 41, a plug cavity 410 for inserting a mating connector (not shown) is formed between the top wall 41 and the insulating housing 1, and the shielding shell 4 is provided with a retaining clip arm 421 matching with the corresponding retaining slot 102.
The fixing clip arm 421 is formed by bending from the sidewall 42 toward the inner side of the shielding shell 4, the fixing clip arm 421 includes a first fixing arm 4211 located at the upper side and second and third fixing arms 4212 and 4213 located at the lower side, the second fixing arm 4212 is located behind the third fixing arm 4213 and is arranged at the same height, and is further fixed in the same fixing groove 102. In addition, the first retaining arm 4211 is located between the aforementioned second retaining arm 4212 and third retaining arm 4213 in the front-rear direction, and the length of the second retaining arm 4212 in the front-rear direction is larger than the length of the third retaining arm 4213 in the front-rear direction.
Each of the sidewalls 42 further has a supporting arm 422 located between the top surface and the bottom surface of the insulating body 1 in the height direction, and a front end of the supporting arm 422 is a free end and has a tendency to extend toward the inside of the shielding shell 4.
The top wall 41 further has a plurality of limiting portions 412 extending backward, when the shielding shell 4 is assembled outside the insulating body 1, the limiting portions 412 are limited in the accommodating areas 131, the side walls 42 are accommodated in the corresponding recessed areas 153, and the abutting arms 422 abut against the limiting grooves 154 to prevent the shielding shell 4 from separating from the insulating body 1 forward.
The shielding shell 4 further has a plurality of solder tails 43 formed extending downward from the corresponding sidewalls 42, and the solder tails 43 extend downward for insertion and mounting on an external circuit board.
The electric connector 100 of the invention sets at least part of the holding part 23 of the conductive terminal 2 to include the first holding section 231 extending along the first direction and the second holding section 232 bending from the first holding section 231 to extend along the second direction, and embeds the first holding section 231, the second holding section 232 and the connected parts thereof in the insulating part 3, thereby ensuring the coplanarity of the tail part 24 of the conductive terminal 2 and further ensuring the stability of the connection between the conductive terminal and the external circuit board.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. An electric connector comprises an insulating body, a terminal module and a shielding shell, wherein the terminal module is accommodated and fixed in the insulating body, the shielding shell is shielded and fixed outside the insulating body, the insulating body is provided with a forward-open butt joint cavity and a plurality of terminal grooves communicated with the butt joint cavity, the terminal module comprises two rows of conductive terminals and an insulating piece fixed outside the conductive terminals, the conductive terminals are provided with contact arms protruding out of the butt joint cavity, fixing parts embedded in the insulating piece and tail parts extending out of the insulating body, and the electric connector is characterized in that: the holding part of at least part of the conductive terminals comprises a first holding section extending along a first direction and a second holding section bent from the first holding section and extending along a second direction, and the first holding section, the second holding section and the connecting parts of the first holding section and the second holding section are embedded in the insulating piece.
2. The electrical connector of claim 1, wherein: the insulating piece comprises a first insulating piece and a second insulating piece which are assembled in the insulating body, wherein one row of conductive terminals are embedded and formed in the first insulating piece, and the other row of conductive terminals are embedded and formed in the second insulating piece.
3. The electrical connector of claim 2, wherein: the first insulating part is provided with a notch part for accommodating the second insulating part at the lower side thereof, and the first insulating part and the second insulating part are respectively buckled with the insulating body.
4. The electrical connector of claim 2, wherein: the second insulating part is provided with a pair of first buckling parts arranged on two sides of the second insulating part in a protruding mode in the transverse direction and a second buckling part arranged on one side of the second insulating part in the height direction in a protruding mode, the first insulating part is provided with a plurality of third buckling parts arranged on two sides of the first insulating part in the transverse direction in a protruding mode and a fourth buckling part arranged on one side of the first insulating part in the height direction in a protruding mode, and the third buckling parts are divided into two groups which are arranged in a staggered mode in the front-back direction.
5. The electrical connector of claim 4, wherein: the group of third buckling parts and the first buckling parts on the same side of the second insulating part are arranged in a front-back direction in an aligned mode so as to slide into the corresponding buckling grooves along the same sliding groove.
6. The electrical connector of claim 1, wherein: the shielding shell is provided with a top wall and a pair of side walls connected with the top wall, an inserting cavity for inserting a butting connector is formed between the top wall and the insulating body at intervals, the insulating body is provided with holding grooves concavely arranged on the top surface and the bottom surface of the insulating body, and the shielding shell is provided with holding clamping arms matched with the corresponding holding grooves.
7. The electrical connector of claim 6, wherein: the fixing clamp arm is formed by bending the side walls, each side wall is provided with a propping arm positioned between the top surface and the bottom surface in the height direction, and the front end of each propping arm is a free end and has a tendency of extending towards the inner side of the shielding shell.
8. The electrical connector of any one of claims 1 to 7, wherein: the bottom surface of the insulating body is provided with a plurality of concave parts which are concave upwards and used for reducing the material thickness at corresponding positions.
9. The electrical connector of any one of claims 1 to 7, wherein: the extending direction of the tail part is parallel to the butting direction of the electric connector, the contact arms of the two rows of conductive terminals are oppositely arranged in the height direction, and the tail parts of the two rows of conductive terminals extend along the direction deviating from each other.
10. The electrical connector of claim 9, wherein: the tail part of the conductive terminal with the first holding section and the second holding section protrudes backwards out of the insulating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479708.4A CN114784548A (en) | 2022-05-05 | 2022-05-05 | Electrical connector with improved contact arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479708.4A CN114784548A (en) | 2022-05-05 | 2022-05-05 | Electrical connector with improved contact arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114784548A true CN114784548A (en) | 2022-07-22 |
Family
ID=82435008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210479708.4A Pending CN114784548A (en) | 2022-05-05 | 2022-05-05 | Electrical connector with improved contact arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114784548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826420A (en) * | 2023-08-30 | 2023-09-29 | 深圳市方向电子股份有限公司 | Terminal structure and single-layer connector |
-
2022
- 2022-05-05 CN CN202210479708.4A patent/CN114784548A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826420A (en) * | 2023-08-30 | 2023-09-29 | 深圳市方向电子股份有限公司 | Terminal structure and single-layer connector |
| CN116826420B (en) * | 2023-08-30 | 2023-11-03 | 深圳市方向电子股份有限公司 | Terminal structure and single-layer connector |
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