CN209786334U

CN209786334U - Electric connector

Info

Publication number: CN209786334U
Application number: CN201920285842.4U
Authority: CN
Inventors: 程毅; 肖扬龙; 张倩丽
Original assignee: GUANGZHOU LIANJIE ELECTRONIC HARDWARE INDUSTRIAL Co Ltd
Current assignee: GUANGZHOU LIANJIE ELECTRONIC HARDWARE INDUSTRIAL Co Ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2019-12-13
Anticipated expiration: 2029-03-06

Abstract

The utility model discloses an electric connector, include: the insulating body comprises a top wall, side walls positioned on two sides of the top wall and a butt wall butted with the butting connector, wherein the top wall, the side walls and the butt wall jointly enclose to form an accommodating space; the terminal group is positioned in the accommodating space and comprises a first terminal group and a second terminal group which is arranged opposite to the first terminal group; the shielding piece is positioned between the first terminal set and the second terminal set so as to avoid mutual interference between the first terminal set and the second terminal set; and a guard covering an end of the top wall, the side wall facing away from the abutment wall. Compared with the prior art, the electric connector of the utility model protects the joint between the cable and the terminal group through the protection piece.

Description

Electric connector

Technical Field

The utility model relates to an electric connector especially relates to a hot plug electric connector.

background

Small Form-factor connectors (Small Form-factor connectors), gigabit ethernet interfaces, Small Form-factor Pluggable connectors (X-SFP), and quad Small Form-factor Pluggable connectors (QSFP) are all electrical connector components used for optical fiber transmission or signal transmission. An important feature of these electrical connector assemblies is their small size. The smaller the volume of the electrical connector assembly, the less space it takes in conjunction with the equipment panel. Smaller electrical connector assemblies can allow a greater number of electrical connector assemblies to be connected to the same device panel to support additional channels of information. However, existing QSFP electrical connectors are still bulky. For example, chinese patent No. 200920301186.9 discloses a four-channel small pluggable electrical connector, which includes an insulating body, an upper row of terminal sets and a lower row of terminal sets, wherein the upper row of terminal sets and the lower row of terminal sets are accommodated in the insulating body, and the upper row of terminal sets and the lower row of terminal sets are separated by a limiting block. By the arrangement, the size of the four-channel small pluggable electric connector is larger, and the upper row terminal group and the lower row terminal group are easy to interfere with each other. And, the joint between cable and the terminal group is exposed to the outside completely, does not have any safeguard measure.

In view of the above problems, there is a need to provide a new electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide an electrical connector, which protects the joint between the cable and the terminal set by a protection member.

For solving the technical problem, the technical scheme of the utility model is realized like this:

an electrical connector, comprising: the insulating body comprises a top wall, side walls positioned on two sides of the top wall and a butt wall butted with the butting connector, wherein the top wall, the side walls and the butt wall jointly enclose to form an accommodating space; the terminal group is positioned in the accommodating space and comprises a first terminal group and a second terminal group which is arranged opposite to the first terminal group; the shielding piece is positioned between the first terminal set and the second terminal set so as to avoid mutual interference between the first terminal set and the second terminal set; and a guard covering an end of the top wall, the side wall facing away from the abutment wall.

Further, the protection parts comprise a first protection part and a second protection part which is arranged opposite to the first protection part; the first protection piece and the second protection piece both comprise a main body part and extension parts formed by bending and extending from two sides of the main body part.

Furthermore, the extension part is provided with an installation groove, and the side wall is provided with an installation protrusion matched with the installation groove.

Further, the first terminal group comprises a plurality of first terminal pairs, and the second terminal group comprises a plurality of second terminal pairs; the electric connector is also provided with a plurality of grounding terminals which respectively separate the adjacent first terminal pairs and the adjacent second terminal pairs.

Further, a slot is provided on the shield, and the ground terminal is inserted into the slot so that the two are fixed together.

Furthermore, a first elastic arm and a second elastic arm are arranged on one side of the grounding terminal, which is far away from the top wall; the first elastic arm is positioned between the adjacent first terminal pairs, and the second elastic arm is positioned between the adjacent second terminal pairs; the first elastic arm and the second elastic arm are positioned on two sides of the shielding piece.

Furthermore, the top wall is provided with a buckling groove, and one side of the grounding terminal close to the top wall is provided with a buckling arm matched with the buckling groove.

Furthermore, the butt joint wall is provided with a positioning groove which penetrates through the butt joint wall along the butt joint direction; and one end of the grounding terminal, which is close to the butt joint wall, is provided with a positioning arm matched with the positioning groove.

Furthermore, the butt joint wall is also provided with a limit groove communicated with the positioning groove; one end of the grounding terminal, which is close to the butt joint wall, is provided with a limiting arm matched with the limiting groove.

Further, the electric connector is also provided with a separator for separating two terminals in the first terminal pair, and the separator and the insulating body are integrally formed by injection molding.

The utility model has the advantages that: compared with the prior art, the electric connector of the utility model protects the joint between the cable and the terminal group through the protection piece.

Drawings

Fig. 1 is a schematic perspective view of the electrical connector of the present invention.

fig. 2 is a perspective view of the electrical connector shown in fig. 1 from another angle.

Fig. 3 is a perspective view of the insulating body.

Fig. 4 is a perspective view of the insulating body shown in fig. 3 from another angle.

Fig. 5 is a perspective view of the terminal set, the ground terminal, and the shield.

Fig. 6 is a perspective view of the terminal set, the ground terminal and the shield of fig. 5 at another angle.

Fig. 7 is a perspective view of the shield.

Fig. 8 is a perspective view of the ground terminal set.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description of embodiments of the present invention will be described with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the same are merely exemplary and the invention is not limited to these embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 and 2, an electrical connector 100 of the present invention includes an insulating housing 10, a terminal set 20, a ground terminal set 30, a shielding element 40 and a shielding element 50, wherein the terminal set 20, the ground terminal set 30 and the shielding element 40 are accommodated in the insulating housing 10.

Referring to fig. 3 and 4, the insulation body 10 includes a top wall 11, side walls 12 located at two sides of the top wall 11, and a docking wall 13 docked with a docking connector (not shown), wherein the top wall 11, the side walls 12, and the docking wall 13 together enclose a receiving space 14. The top wall 11 is provided with a retaining groove 111 and an injection molding groove 112. The retaining groove 111 is located at an end of the top wall 11 away from the abutting wall 13, and the injection molding groove 112 is located at an end of the top wall 11 close to the abutting wall 13. The side wall 12 is provided with a mounting groove 121, a mounting post 122 and a mounting protrusion 123, which are matched with the circuit board, and the mounting protrusion 123 is located at one end of the side wall 12, which is far away from the butting wall 13. The butting wall 13 is provided with a positioning groove 131 penetrating through the butting wall 13 along the butting direction and a limiting groove 132 communicated with the positioning groove 131, and the limiting groove 132 is located between the positioning groove 131 and the top wall 11. The insulation body 10 is further provided with a separator 15 positioned in the injection molding groove 112, and the separator 15 and the insulation body 10 are integrally formed through injection molding.

Referring to fig. 5 and 6, the terminal set 20 is located in the accommodating space 14, and includes a first terminal set 21 and a second terminal set 22 opposite to the first terminal set 21, where the first terminal set 21 and the second terminal set 22 are located on two sides of the shielding element 40. The first terminal set 21 includes a plurality of first terminal pairs 211 and a first fixing member 212 coupled to the first terminal pairs 211. The separator 15 serves to separate two terminals of the first terminal pair 211. The first terminal set 21 further includes a plurality of first terminals 214, and the first terminals 214 include a first base portion (not shown) and a first contact portion 216 bent and extended from one side of the first base portion. The first fixing member 212 is further provided with a heat dissipation groove 213 to facilitate heat dissipation of the first terminal pair 211. The first terminal pair 211 and the first fixing member 212 are integrally formed by injection molding. The second terminal set 22 includes a plurality of second terminal pairs 221 and a second fixing member 222 engaged with the second terminal pairs 221. The second terminal set 22 further includes a plurality of second terminals 224, and the second terminals 224 include a second base portion (not shown) and a second contact portion 225 bent and extended from one side of the second base portion. The first terminal 214 and the second terminal 224 are bent in the same direction. The second fixing member 222 is further provided with a heat dissipation groove 223 to facilitate heat dissipation of the second terminal pair 221. The second terminal pair 221 and the second fixing member 222 are integrally formed by in-mold injection molding. By the arrangement, the terminal group 20 can be assembled quickly in the production process, so that the production efficiency can be improved, and the production cost can be reduced.

referring to fig. 8, 4 and 5, the ground terminal set 30 includes a plurality of ground terminals 31, and the ground terminals 31 respectively separate adjacent first terminal pairs 211 and adjacent second terminal pairs 221, so as to prevent the adjacent first terminal pairs 211 and the adjacent second terminal pairs 221 from interfering with each other, thereby effectively improving signal transmission quality. The ground terminal 31 is provided with a first elastic arm 311, a second elastic arm 312, a latching arm 313, a positioning arm 314, a limiting arm 315 and a fixing groove 316. The first elastic arm 311 and the second elastic arm 312 are located on a side of the ground terminal 31 facing away from the top wall 11, the first elastic arm 311 is located between the adjacent first terminal pairs 211, and the second elastic arm 312 is located between the adjacent second terminal pairs 221. The first elastic arm 311 and the second elastic arm 312 are located on both sides of the shield 40. The latching arm 313 is located on a side of the ground terminal 31 close to the top wall 11 and cooperates with the latching groove 111 to fix the ground terminal 31 and the insulating body 10 together. The positioning arm 314 is located at one end of the grounding terminal 31 close to the abutting wall 13 and is matched with the positioning slot 131. The limiting arm 315 is located at an end of the ground terminal 31 close to the abutting wall 13 and cooperates with the limiting groove 132, so that the ground terminal 31 and the insulating body 10 are fixed together. The fixing groove 316 is located between the first elastic arm 311 and the second elastic arm 312.

Referring to fig. 7, the shielding element 40 is located between the first terminal set 21 and the second terminal set 22, so as to effectively avoid mutual interference between the first terminal set 21 and the second terminal set 22. Since the shielding member 40 is a thin metal sheet, the height of the electrical connector 100 can be effectively reduced, and the volume of the electrical connector 100 can be effectively reduced. The shielding member 40 is provided with an insertion groove 41 and a fixing protrusion 42 located in the insertion groove 41. The ground terminal 31 is inserted into the insertion groove 41, so that the ground terminal 31 and the shield 40 are fixed together. The fixing protrusion 42 is engaged with the fixing groove 316 so that the ground terminal 31 and the shield 40 are firmly fixed together. Of course, in other embodiments, the slot may also be located on the ground terminal 31, and the shielding member 40 is inserted into the slot located on the ground terminal 31.

Referring to fig. 1 and 2, the protection member 50 covers an end of the top wall 11 and an end of the side wall 12 facing away from the abutting wall 13. The shielding member 50 includes a first shielding member 51 and a second shielding member 52 disposed opposite to the first shielding member 51. Each of the first guard piece 51 and the second guard piece 52 includes a main body portion 501, and extending portions 502 bent and extended from both sides of the main body portion 501. The extension 502 is provided with a mounting groove 503, and the mounting groove 503 is matched with the mounting protrusion 123, so that the protection member 50 is fixedly mounted on the insulation body 10. During assembly, the cable is connected to the terminal set 20, and then the protection member 50 is fixed to the insulation body 10. With the arrangement, the assembly is convenient, and the joint between the cable and the terminal group 20 can be effectively protected.

Compared with the prior art, the electrical connector 100 of the present invention separates the first terminal set 21 and the second terminal set 22 through the shielding member 40, so that the volume of the electrical connector 100 can be reduced, and the mutual interference between the first terminal set 21 and the second terminal set 22 can be effectively avoided. Moreover, the terminal group 20 of the electrical connector 100 is integrally formed by a fixing member, thereby effectively improving the assembly speed; the protection member 50 not only facilitates assembly, but also effectively protects the cables and the terminal set 20.

It is particularly pointed out that equivalent variations to those skilled in the art in light of the teachings of the present invention that are intended to be included within the scope of the appended claims.

Claims

1. An electrical connector, comprising:

The insulating body comprises a top wall, side walls positioned on two sides of the top wall and a butt wall butted with the butting connector, wherein the top wall, the side walls and the butt wall jointly enclose to form an accommodating space;

The terminal group is positioned in the accommodating space and comprises a first terminal group and a second terminal group which is arranged opposite to the first terminal group;

The shielding piece is positioned between the first terminal set and the second terminal set so as to avoid mutual interference between the first terminal set and the second terminal set; and

A guard enclosing an end of the top wall, side wall facing away from the abutment wall.

2. the electrical connector of claim 1, wherein: the protection parts comprise a first protection part and a second protection part arranged opposite to the first protection part; the first protection piece and the second protection piece both comprise a main body part and extension parts formed by bending and extending from two sides of the main body part.

3. The electrical connector of claim 2, wherein: the extension part is provided with a mounting groove, and the side wall is provided with a mounting protrusion matched with the mounting groove.

4. The electrical connector of claim 1, wherein: the first terminal group comprises a plurality of first terminal pairs, and the second terminal group comprises a plurality of second terminal pairs; the electric connector is also provided with a plurality of grounding terminals which respectively separate the adjacent first terminal pairs and the adjacent second terminal pairs.

5. The electrical connector of claim 4, wherein: the shielding piece is provided with a slot, and the grounding terminal is inserted into the slot so as to fix the grounding terminal and the shielding piece together.

6. The electrical connector of claim 5, wherein: a first elastic arm and a second elastic arm are arranged on one side of the grounding terminal, which is far away from the top wall; the first elastic arm is positioned between the adjacent first terminal pairs, and the second elastic arm is positioned between the adjacent second terminal pairs; the first elastic arm and the second elastic arm are positioned on two sides of the shielding piece.

7. The electrical connector of claim 4, wherein: the top wall is provided with a buckling groove, and one side of the grounding terminal close to the top wall is provided with a buckling arm matched with the buckling groove.

8. The electrical connector of claim 4, wherein: the butt joint wall is provided with a positioning groove which penetrates through the butt joint wall along the butt joint direction; and one end of the grounding terminal, which is close to the butt joint wall, is provided with a positioning arm matched with the positioning groove.

9. The electrical connector of claim 8, wherein: the butt joint wall is also provided with a limiting groove communicated with the positioning groove; one end of the grounding terminal, which is close to the butt joint wall, is provided with a limiting arm matched with the limiting groove.

10. The electrical connector of claim 4, wherein: the electric connector is also provided with a separator for separating two terminals in the first terminal pair, and the separator and the insulating body are integrally formed by injection molding.