CN109103697B - Socket connector and electric connector assembly - Google Patents

Abstract

The invention discloses a socket connector and an electric connector assembly, wherein the socket connector comprises a first insulating body, a plurality of socket conductive terminals and a first conductive embedded part, the first insulating body is provided with a containing concave part, a positioning convex part is convexly extended in the containing concave part, the outer peripheral walls of two ends of the first insulating body are respectively provided with a first embedded part, the first conductive embedded part is embedded in the first embedded part, a first base part of each socket conductive terminal is arranged on the side wall of the first insulating body, the other side of each socket conductive terminal extends to form a free end with a contact part to be arranged on the positioning convex part, a terminal embedded part is arranged between the free end and the first base part and arranged in the containing concave part, the positioning convex part comprises a plurality of deformation elastic arms, the free sections of the socket conductive terminals are integrally coated by the deformation elastic arms, and then the socket connector is combined with a plug connector to form the electric, the deformation elastic arm is used for providing a better clamping force, so that the effects of stable connection and reliable conduction are achieved.

Description

Socket connector and electrical connector assembly

technical field

The present invention relates to the technical field of electrical connector products, in particular to a socket connector and an electrical connector assembly for electrical connection of electronic products.

Background technique

In recent years, with the miniaturization and high density of portable electronic devices, as well as the rise of portable electronic devices, such as in the limited internal space of mobile phones or tablets, how to use the limited space and adapt to the miniaturization of electrical connectors Change needs.

A traditional board-to-board connector assembly includes a socket connector and a plug connector. The outer sidewall surfaces of the two ends of the socket and the plug connector are provided with retaining metal parts for fixing, and the retaining metal parts include: along the housing. A plate-shaped main body part exposed from the outer wall surface of the main body part, an anchor part formed by bending the main body part to be snapped into the casing, and a plate-shaped main body part protruding from the main body part to the outside of the casing to be fixed on the circuit board Install the piece.

However, by fitting the socket connector and the plug connector to each other, the above-mentioned holding metal parts can fix the socket and the plug connector on the circuit boards of each other and conduct the conductive patterns of the socket and the plug connector on the circuit boards of each other, and then Due to the miniaturization factor of the above board-to-board connector assembly, the plastic shells of the socket connector and the plug connector of the board-to-board connector assembly must carry each terminal group, but due to its own miniaturization, its fitting It may cause the terminals of the terminal group to deform, resulting in insufficient normal force of the terminals, and the two ends of the plastic shell are more fragile and easy to break or deform.

Therefore, how to solve the problems of structural strength and reducing the physical size of the electrical connector has become a technical issue that the industry is eager to overcome.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a socket connector and an electrical connector assembly which have the advantages of more stable connection structure and more reliable electrical connection when the body size is smaller.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a socket connector, comprising a first insulating body, a plurality of socket conductive terminals and two first conductive inserts, the first insulating body is formed with an accommodating recess, A positioning protrusion corresponding to the plug connector protrudes from the accommodating recess, and the plurality of socket conductive terminals extend toward the long axis of the first insulating body and are held by the side walls of the first insulating body, and are located at both ends of the first insulating body. A first embedded portion is respectively formed on the outer peripheral wall of each of them, and the conductive insert is embedded in the first embedded portion. A free end extending with a contact portion on the other side is placed on the positioning convex portion, a terminal fitting portion is arranged between the free end and the first base portion, the terminal fitting portion is arranged in the accommodating concave portion, and the positioning convex portion includes a A plurality of deformable elastic arms are provided, and the free ends of the conductive terminals of the socket are integrally covered by the deformed elastic arms.

Further, the positioning convex portion has a plurality of deformable elastic arms, the deformable elastic arms are arranged in two rows, and there is an elastic deformation space between the deformed elastic arms.

Further, the deformed elastic arm is formed to extend upward from the bottom of the accommodating recess.

Further, the free ends of the conductive terminals of the socket are integrally covered by the deformable elastic arms, and part of the free ends are exposed outside the deformed elastic arms.

Further, a welding portion extends outward from the first base portion of the conductive terminal of the socket.

Further, a lateral fixing arm is respectively provided on the two sidewalls in the long axis direction of the first insulating body at the first base portion of the socket conductive terminal adjacent to the welding portion.

Further, the first conductive insert includes a base, two side arms and a clip portion, the base and the two side arms are fitted on the outer sidewall surfaces of the two ends of the long axis of the first insulating body, and the base spans the side. The clip portion whose wall extends toward the inner side wall surface is arranged in the accommodating recess.

Further, the clip portion is arranged in an accommodating groove formed by a partial depression of the accommodating concave portion.

Further, at least one clip arm extends upward from the two side edges of the clip portion, and a protection portion extends upward from the front side edge between the clip arms on the two side edges.

An electrical connector assembly is characterized by comprising: a socket connector, comprising a first insulating body, a plurality of socket conductive terminals and two first conductive inserts, the first insulating body is formed with an accommodating recess, A locating protrusion for the plug connector protrudes from the accommodating recess, and a plurality of socket conductive terminals extend toward the long axis of the first insulating body and are held by the side walls of the first insulating body, and are located at both ends of the first insulating body. A first embedded part is formed on the outer peripheral wall of each of the two parts, and the first conductor embedded part is embedded in the first embedded part; the first base part of the socket conductive terminal is arranged on the side wall of the first insulating body, and the socket conductive terminal is another A free end extending laterally with a contact portion is placed on the positioning convex portion, a terminal fitting portion is arranged between the free end and the first base portion, the terminal fitting portion is arranged in the accommodating concave portion, and the positioning convex portion includes a plurality of a deformable elastic arm, and the free end of the conductive terminal of the socket is integrally covered by the deformed elastic arm; and

A plug connector, which includes a second insulating body, a plurality of plug conductive terminals and two second conductive inserts, the second insulating body is formed with a receiving groove, the receiving groove is used to receive the positioning protrusion, and the plurality of plugs are conductive The terminal extends toward the long axis of the second insulating body and is held by the side wall of the second insulating body, and the plug conductive terminal and the socket conductive terminal are clamped to each other and then conductively connected, and the deformed elastic arm covering the socket conductive terminal is also Inward elastic deformation; side walls at two ends of the long axis of the second insulating body form a second embedded portion, the second conductive insert is embedded in the second embedded portion, and the side walls of the second insulating body and the first The two embedding parts are embedded and received in the accommodating concave part, and the elastic clip part of the first conductive embedding part in the accommodating concave part clamps the second conductive embedding part to form an electrical connection.

Further, the positioning protrusion has a plurality of deformable elastic arms, the deformable elastic arms are arranged in two rows, and there is an elastic deformation space between the deformed elastic arms.

Further, the deformed elastic arm is formed to extend upward from the bottom of the accommodating recess.

Further, the free end of the conductive terminal of the socket is integrally covered by the deformable elastic arm, and a part of the free end is exposed outside the deformed elastic arm.

Further, a welding portion extends outward from the first base portion of the conductive terminal of the socket.

Further, a lateral fixing arm is respectively provided on the two sidewalls in the long axis direction of the first insulating body at the first base portion of the socket conductive terminal adjacent to the welding portion.

Further, the first conductive insert includes a base, two side arms and a clip portion, the base and the two side arms are fitted on the outer sidewall surfaces of the two ends of the long axis of the first insulating body, and the base spans the sidewalls. The clip portion extending toward the inner side wall surface is arranged in the accommodating recess.

Further, the clip portion is arranged in an accommodating groove formed by a partial depression of the accommodating concave portion.

Further, at least one clip arm extends upward from the two side edges of the clip portion, and a protection portion extends upward from the front side edge between the clip arms on the two side edges.

The present invention strengthens the support and reliability of the socket conductive terminal by combining the socket conductive terminal with the deformable elastic arm, so that the smaller body size can effectively improve the electrical connector assembly to face thinning components. Conductivity stability and overall structural strength.

Description of drawings

1 is a schematic perspective view of an electrical connector assembly of the present invention;

2 is an exploded schematic view of the electrical connector assembly of the present invention;

3 is a schematic cross-sectional view taken along line A-A of FIG. 1;

4 is a perspective view of the plug connector of the present invention;

FIG. 5 is a schematic perspective view of the socket connector of the present invention;

6 is an exploded schematic view of the socket connector of the present invention;

7 is a schematic cross-sectional view taken along the C-C line of FIG. 2;

Figure 8 is a schematic cross-sectional view taken along the D-D line of Figure 2;

9 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 10 is a schematic cross-sectional view taken along the line E-E of FIG. 1 .

In the figure,

1. Electrical connector assembly

11. Socket connector

111. The first insulating body

1111, accommodating recess

11111, accommodating slot

1112, positioning convex part

11121, deformation arm

11122, elastic deformation space

1113, the first embedding part

1114, limit part

1115, stop part

112. Socket conductive terminal

1121, the first base

1122, lap joint convex part

1123、Free end

11231, contact part

1124, terminal fitting part

1125. Terminal welding part

113. The first conductive insert

1131. Base

1132, side arm

11321, limit slot

11322, welding department

1133. Clip Department

11331, magazine arm

11332. Department of Protection

12. Plug connector

121. Second insulating body

1211. Storage slot

1212, the second embedding part

122. Plug conductive terminal

1221, second base

1222, lap joint

1223. Welding Department

123. Second conductive insert

1231, positioning buckle

1232, contact part

1233, body part

Detailed ways

The present invention will be further described below with reference to specific embodiments.

In this embodiment, referring to FIGS. 1-10 , the electrical connector assembly 1 includes a socket connector 11 and a plug connector 12 , and the plug connector 12 is used to plug the socket connector 11 .

In this embodiment, the receptacle connector 11 has a first insulating body 111 , a middle of the first insulating body 111 is recessed inward to form a accommodating recess 1111 , and the accommodating recess 1111 is at both ends of the first insulating body 111 . A accommodating groove 11111 is partially recessed to receive the clip portion 11331 of the first conductive insert 113, and at least one accommodating groove 11112 is partially recessed on the inner sidewall adjacent to the accommodating groove 11111, A positioning protrusion 1112 protrudes upward from the middle of the accommodating recess 1111. The positioning protrusion 1112 is provided with a plurality of corresponding socket conductive terminals 112 along the side wall. The positioning protrusion 1112 is composed of a plurality of deformed elastic arms 11121. A first embedding portion 1113 is respectively formed on the outer peripheral walls of the two ends of the long axis of an insulating body 111 , and at least one limiting portion 1114 is respectively formed on the outer peripheral walls of each adjacent first embedding portion 1113 , and is located on the first insulating body 111 . There are three blocking portions 1115 at the two ends adjacent to the first embedding portion 1113 .

A plurality of socket conductive terminals 112, the socket conductive terminals 112 extend toward the long axis direction of the first insulating body 111 and are held by the sidewall of the first insulating body 111 in a buried injection manner, and one end of the socket conductive terminals 112 is provided with a first base 1121 Spanning two sides of the side wall, the first base portion 1121 extends toward the other side with a free end 1123 having a contact portion 11231 . The contact portion 11231 is integrally covered by the deformable elastic arm 1112 , and the free end 1123 and the first base portion 1121 There is a terminal fitting portion 1124 therebetween, a terminal welding portion 1125 extending outward from the other side of the first base portion 1121 away from the free end 1123 , and a lap protrusion 1122 opposite to the free end 1123 .

The first conductive insert 113 includes a base 1131 and two side arms 1132 connected to the two sides thereof. The base 1131 straddles the end sidewall of the first insert 1113 toward the outside, and the base 1131 extends inward. In order to have a clip portion 1133 , two opposite sides of the clip portion 1133 are bent upward and respectively extend with two clip arms 11331 , and two side arms 1132 and the lower side of the base portion 1131 are provided with welding portions 11322 opposite to the limiting portion 1114 A limiting groove 11321 is provided, and a protection portion 11332 extends upward from the front side edge between the two side edges of the clip portion 1133 between the clip arms 11331 .

The plug connector 12 has a second insulating body 121 , the middle of the second insulating body 121 is recessed inwardly with a receiving groove 1211 , and a second embedding portion 1212 is formed on the outer peripheral walls of the two ends of the long axis of the second insulating body 121 .

A plurality of plug conductive terminals 122, the plug conductive terminals 122 have a second base portion 1221, the second base portion 1221 is arranged across the side wall of the receiving groove 1211, and the plug conductive terminals 122 are respectively extended toward two sides with lap joints connected to the second base portion 1221 part 1222 and welding part 1223.

The second conductive fitting 123 includes a body portion 1233 that extends outward and is bent with three abutting portions 1232 , wherein the abutting portions 1232 that are bent to the left and right sides are respectively provided with an inwardly concave position in the middle. Buckle 1231.

Referring to FIGS. 1-6 , when the socket connector 11 is assembled, the two side walls in the middle of the first insulating body 111 locate the socket conductive terminals 112 in a buried injection manner along the long axis direction, wherein the first base 1121 A welding portion 1125 for soldering to the default circuit board (not shown), a terminal fitting portion 1124 and a free end 1123 for embedding and conducting connection with the plug conductive terminal 122 are respectively extending forward and backward across the side wall, wherein the free A contact portion 11231 protrudes from the end 1123 toward the first base portion 1121 , and the first base portion 1121 is provided with an overlapping convex portion 1122 at the position opposite to the contact portion 11231 . A first embedding portion 1113 is formed, and two ends of the first embedding portion 1113 and the accommodating recess 1111 are recessed inward to form accommodating grooves 11111 for accommodating the first conductive fitting 113, wherein the first conductive fitting The two side arms 1132 and the first base portion 1121 of the 113 are positioned at the stop portion 1115 of the side wall surface of the adjacent first embedding area 1113, the clip portion 1133 is received by the accommodating groove 11111, and the clip portion 1133 extends toward the two sides. Multiple magazine arms 11331.

When the plug connector 12 is assembled, the two sidewalls in the middle of the second insulating body 121 locate the plug conductive terminals 122 inward in a buried injection manner along the long axis direction, and the second insulating body 121 is located at the two ends of the second insulating body 121 . The second embedding portion 1212 also has a second conductive embedding member 123 in a buried injection manner.

Referring to FIGS. 2-6 , when the electrical connector assembly 1 is assembled, the accommodating recess 1111 of the socket connector 11 corresponds to the second insulating body 121 of the plug connector 12 and is accommodated in the first insulating body 111 The socket conductive terminals 112 on the side walls correspond to the plug conductive terminals 122 on the side walls of the second insulating body 121 , and the first conductive fittings 1113 and the second conductive fittings 123 are provided correspondingly. When engaged, the second base portion 1221 of the plug conductive terminal 122 of the plug connector 12 is received by the terminal fitting portion 114 of the socket conductive terminal 112, wherein the free end 1123 of the socket conductive terminal 112 with the contact portion 11231 abuts against the plug conductive The second base 1221 of the terminal 122 is at the second base 1221, and the overlapping area 1222 on the opposite side and the second base 1221 are stepped. When the overlapping protrusion 1122 of the socket conductive terminal 112 is located in the overlapping area 1222, the stepped shape makes the socket connector 11 and the plug connector 12 are not easily separated from each other. The front side edge between the clip arms 11331 of the two side edges of the clip portion 1133 of the first conductive insert 113 extends upward with a protective portion 11332. The protective portion 11332 is located in The plug connector 12 and the socket connector 11 guide the side wall of the receiving groove 1211 so that the positioning protrusion 1112 can smoothly enter the receiving groove 1211 for positioning.

Furthermore, when the free ends 1123 of the socket conductive terminals 112 are pushed by the plug conductive terminals 122 to cause elastic deformation, and the second row of socket conductive terminals 112 are integrally covered by the two rows of deformed elastic arms 11121, when the deformed elastic arms 11121 face inwards Elastically deformed, and the socket conductive terminals 112 are also integrally bent inwardly and elastically deformed. When the two rows of deforming elastic arms 11121 abut against each other, it can prevent the socket conductive terminals 112 from being permanently deformed due to external force. , the above structure also provides a positive force with which the socket conductive terminal 112 can clamp the plug conductive terminal 122 .

Referring to FIGS. 1-10 , the first conductive fitting 113 and the second conductive fitting 123 are arranged correspondingly. When the socket connector 11 and the plug connector 12 are installed with each other, the first conductive fitting 113 is provided with a plurality of springs. The clamping arm 11331 is overlapped with the buckle portion 1231 set with the second conductive insert 123, and the second conductive insert 123 is overlapped with the guide plate 11322 of the first conductive insert 113, which is a preferred implementation. Example of grounding structure.

The present invention has been described in detail above. The above descriptions are only preferred embodiments of the present invention, and should not limit the scope of implementation of the present invention. inventions are covered.

Claims (18)

1. A socket connector comprises a first insulating body, a plurality of socket conductive terminals and two first conductive embedded pieces, wherein the first insulating body is provided with a containing concave part, a positioning convex part corresponding to a plug connector is convexly extended in the containing concave part, the plurality of socket conductive terminals extend towards the long axis direction of the first insulating body and are kept by the side wall of the first insulating body, a first embedded part is respectively formed on the peripheral wall of two ends of the first insulating body, and the first conductor embedded pieces are embedded in the first embedded part, and the socket connector is characterized in that: the first base part of the socket conductive terminal is arranged on the side wall of the first insulating body, the other side of the socket conductive terminal extends to form a free end with a contact part and is arranged on the positioning convex part, a terminal embedding part is arranged between the free end and the first base part, the terminal embedding part is arranged in the accommodating concave part, the positioning convex part comprises a plurality of deformation elastic arms, and the free end of the socket conductive terminal is integrally coated by the deformation elastic arms.

2. The receptacle connector according to claim 1, wherein: the positioning protrusion has a plurality of deformable elastic arms, the deformable elastic arms are arranged in two rows, and an elastic deformation space is formed between the deformable elastic arms.

3. The receptacle connector according to claim 2, wherein: the deformation elastic arm extends upwards from the bottom of the accommodating concave part.

4. The receptacle connector according to claim 3, wherein: the free end of the socket conductive terminal is integrally coated by the deformation elastic arm, and the part of the free end is exposed outside the deformation elastic arm.

5. The receptacle connector according to claim 3, wherein: the first base of the socket conductive terminal extends outwards to form a welding part.

6. The receptacle connector according to claim 5, wherein: the two side walls of the first insulating body in the long axis direction are respectively provided with a transverse fixing arm at the first base part of the socket conductive terminal and adjacent to the welding part.

7. The receptacle connector according to claim 1, wherein: the first conductive embedded part comprises a base part, two side arms and an elastic clamping part, wherein the base part and the two side arms are embedded on the outer side wall surfaces at two ends of the long shaft of the first insulating body, and the elastic clamping part, which is provided with the side walls in a spanning mode and extends towards the inner side wall surface, of the base part is arranged in the accommodating concave part.

8. The receptacle connector according to claim 1, wherein: the elastic clamp part is arranged in a containing groove formed by the local depression of the containing concave part.

9. The receptacle connector according to claim 8, wherein: at least one elastic clamping arm extends upwards from the two side edges of the elastic clamping part, and a protection part extends upwards from the front side edge between the two elastic clamping arms arranged at the two side edges.

10. An electrical connector assembly, comprising: the method comprises the following steps: the socket connector comprises a first insulating body, a plurality of socket conductive terminals and two first conductive embedded pieces, wherein the first insulating body is provided with a containing concave part, a convex part for positioning the plug connector is convexly extended in the containing concave part, the plurality of socket conductive terminals extend towards the long axis direction of the first insulating body and are kept by the side wall of the first insulating body, the peripheral walls of two ends of the first insulating body are respectively provided with a first embedded part, and the first conductive embedded pieces are embedded in the first embedded parts; the first base part of the socket conductive terminal is arranged on the side wall of the first insulating body, the other side of the socket conductive terminal extends to form a free end with a contact part and is arranged on the positioning convex part, a terminal embedding part is arranged between the free end and the first base part, the terminal embedding part is arranged in the accommodating concave part, the positioning convex part comprises a plurality of deformation elastic arms, and the free end of the socket conductive terminal is integrally coated by the deformation elastic arms; and

a plug connector, which comprises a second insulating body, a plurality of plug conductive terminals and two second conductive embedded parts, wherein the second insulating body is provided with a receiving groove for receiving the positioning convex part, the plurality of plug conductive terminals extend towards the long axis direction of the second insulating body and are kept by the side wall of the second insulating body, the plug conductive terminals and the socket conductive terminals are mutually clamped and then are connected in a guiding way, and the deformation elastic arms covering the socket conductive terminals also elastically deform inwards; the side walls at two ends of the long shaft of the second insulating body form a second embedded part, the second conductive embedded part is embedded in the second embedded part, the side wall of the second insulating body and the second embedded part are embedded and accommodated in the accommodating concave part, and the elastic clamp part of the first conductive embedded part in the accommodating concave part clamps the second conductive embedded part to form electrical connection.

11. The electrical connector assembly of claim 10, wherein: the positioning protrusion has a plurality of deformable elastic arms, the deformable elastic arms are arranged in two rows, and an elastic deformation space is formed between the deformable elastic arms.

12. The electrical connector assembly of claim 11, wherein: the deformation elastic arm is formed by extending upwards from the bottom of the accommodating concave part.

13. The electrical connector assembly of claim 12, wherein: the free end of the socket conductive terminal is integrally coated by the deformation elastic arm, and the part of the free end is exposed outside the deformation elastic arm.

14. The electrical connector assembly of claim 11, wherein: the first base of the socket conductive terminal extends outwards to form a welding part.

15. The electrical connector assembly of claim 14, wherein: the two side walls of the first insulating body in the long axis direction are respectively provided with a transverse fixing arm at the first base part of the socket conductive terminal and adjacent to the welding part.

16. The electrical connector assembly of claim 10, wherein: the first conductive embedded part comprises a base part, two side arms and an elastic clamping part, the base part and the two side arms are embedded on the outer side wall surfaces at two ends of the long shaft of the first insulating body, and the elastic clamping part, which is provided with the side walls spanning the base part and extends towards the inner side wall surface, is arranged in the accommodating concave part.

17. The electrical connector assembly of claim 10, wherein: the elastic clamp part is arranged in a containing groove formed by the local depression of the containing concave part.

18. The electrical connector assembly of claim 17, wherein: at least one elastic clamping arm extends upwards from the two side edges of the elastic clamping part, and a protection part extends upwards from the front side edge between the two elastic clamping arms arranged at the two side edges.

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