CN112152023A

CN112152023A - SFP socket connector

Info

Publication number: CN112152023A
Application number: CN202011074961.9A
Authority: CN
Inventors: 杨伟; 王晓东; 许春锋
Original assignee: Jiangsu Fuhao Electronic Technology Co ltd
Current assignee: Jiangsu Fuhao Electronic Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2020-12-29
Anticipated expiration: 2040-10-09
Also published as: CN112152023B

Abstract

The application discloses SFP socket connector, it includes body, lower body, terminal module and grounding lug, first ground terminal, first signal terminal, second signal terminal and the second ground terminal that a row of conductive terminal arranged in proper order, the grounding lug includes bridge portion and the first butt portion and the second butt portion that extend from bridge portion, first butt portion and first ground terminal physics and electric connection, second butt portion and second ground terminal physics and electric connection, the grounding lug still includes the hook portion of bending forward from bridge portion, hook portion butt in the antetheca of body down. The grounding piece does not need to be welded and integrally molded by injection, and is directly abutted and installed in place, so that the structure is simple, and the manufacturing cost is low.

Description

SFP socket connector

Technical Field

The application relates to the technical field of connectors, in particular to an SFP socket connector.

Background

The existing grounding terminal is connected in parallel by adopting a conductive plastic molding or spot welding copper sheet mode. The defects of the prior art are as follows: 1. the parallel grounding terminal is formed by adopting conductive plastic, so that the stamping and forming technical requirements are high, the manufacturing cost is high, and the conductivity of the conductive plastic is low. 2. The grounding terminal is connected in parallel by adopting a spot welding copper sheet mode, so that the requirements on stamping, forming and automation technology are high, and the manufacturing cost is high.

Disclosure of Invention

The technical problem that this application will solve lies in: provided is an SFP receptacle connector which is simple in structure and low in manufacturing cost.

In order to solve the technical problem, the technical scheme of the application is as follows:

an SFP socket connector comprises an upper body, a lower body, a terminal module and a grounding sheet, wherein the terminal module is clamped between the upper body and the lower body, the SFP socket connector is provided with a plug interface and a plug cavity, at least part of the terminal module is accommodated in the plug cavity, the terminal module comprises a row of conductive terminals, the lower body is provided with a barrier, a front accommodating groove and a rear accommodating groove, the front accommodating groove is positioned in front of the barrier, the rear accommodating groove is positioned behind the barrier, the conductive terminals comprise a contact part, a fixing part and an installation part, the fixing part is fixed on the front side surface of the barrier, the contact part extends into the plug cavity from the fixing part upwards and backwards, the contact part extends from the fixing part downwards and forwards to exceed the barrier, the contact part is used for being electrically connected with a butting connector inserted into the plug cavity in a conductive manner, and the installation part is used for being installed on an external circuit board, the row of conductive terminals comprise a first grounding terminal, a first signal terminal, a second signal terminal and a second grounding terminal which are sequentially arranged, the grounding piece comprises a bridge part, a first abutting part and a second abutting part, the first abutting part and the second abutting part extend out of the bridge part, the first abutting part is physically and electrically connected with the first grounding terminal, the second abutting part and the second grounding terminal are physically and electrically connected, the grounding piece further comprises a hook part bent forwards from the bridge part, and the hook part abuts against the front wall of the lower body.

Compared with the prior art, this application grounding lug includes bridge portion and first butt portion and the second butt portion that extends from bridge portion, first butt portion and first ground terminal physics and electric connection, second butt portion and second ground terminal physics and electric connection, the grounding lug need not welding and integrative injection moulding, direct butt installation target in place can to simple structure, manufacturing cost is lower.

Furthermore, the row of ground terminals includes a plurality of groups of first ground terminals, first signal terminals, second signal terminals and second ground terminals, and the ground strip includes a plurality of groups of first abutting portions and second abutting portions, the first abutting portions are respectively abutted against the corresponding first ground terminals, and the second abutting portions are respectively abutted against the corresponding second ground terminals.

Further, the hook portion includes an arc portion and a flat plate portion, the flat plate portion is located at a front side of the arc portion, and the flat plate portion is arranged in parallel with the bridge portion.

Furthermore, the hook part forms a downward-concave U shape, the first abutting part and the second abutting part have elasticity, the first abutting part is elastically abutted against the first grounding terminal, and the second abutting part is elastically abutted against the second grounding terminal.

Further, the SFP socket connector comprises an insulating block and a conductive block, wherein the conductive block is clamped between the insulating block and the lower body, and the insulating block is clamped between the conductive block and the upper body.

Further, the insulating block is located the rear of terminal module, the conducting block is located the below of insulating block, the insulating block includes insulating main part and the spacing post that upwards extends from insulating main part, it is equipped with the spacing hole that is used for spacing post installation to go up the body.

Further, the lower body is provided with a guide post, the upper body is provided with a guide groove, and the guide post is inserted into the guide groove.

Further, the lower body comprises a bottom wall and a mounting column protruding downwards from the bottom wall, the SFP socket connector comprises a locking block mounted on the bottom wall, and the mounting column penetrates through the locking block.

Further, the erection column includes first erection column and second erection column, the hasp piece includes first hasp piece and second hasp piece, first erection column passes first hasp piece, the second erection column passes the second hasp piece, first erection column and second erection column are located body width direction's opposite both sides down.

Further, first hasp piece and second hasp piece are all including laminating in the plate body portion of diapire and the foot that upwards extends from plate body portion, the foot has the barb, the foot is buried underground in the diapire.

Drawings

Fig. 1 is a perspective view of an SFP receptacle connector according to an embodiment of the present application.

Fig. 2 is a perspective view of another SFP receptacle connector according to an embodiment of the present invention.

Fig. 3 is an exploded view of an SFP receptacle connector according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a further exploded view of the SFP receptacle connector according to the embodiment of the present application.

Fig. 5 is a schematic diagram of a further exploded SFP receptacle connector according to an embodiment of the present application.

Fig. 6 is a schematic perspective cut-away view of an SFP receptacle connector according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Similarly, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one; "plurality" means two or more than two. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

As shown in fig. 1 to 6, an SFP receptacle connector 100 includes an upper body 11, a lower body 12, and a ground plate 14.

The terminal module 13 is clamped between the upper body 11 and the lower body 12, the SFP receptacle connector 100 has a plug interface 15 and a plug cavity 16, and the terminal module 13 is at least partially received in the plug cavity 16. The upper body 11, the terminal module 13, and the lower body 12 are assembled and fixed together. The terminal module 13 includes a row of conductive terminals 131, the lower body 12 has a partition 121, a front receiving slot 122 and a rear receiving slot 123, the front receiving slot 122 is located in front of the partition 121, and the rear receiving slot 123 is located behind the partition 121.

The conductive terminal 131 includes a contact portion 132, a fixing portion 133 and a mounting portion 134, the fixing portion 133 is fixed to the front side of the lattice 121, and the contact portion 132 extends upward and rearward from the fixing portion 133 into the insertion cavity 16. Contact portions 132 extend downward and forward from the fixing portions 133 beyond the partition bars 121, the contact portions 132 being for electrically conducting connection with a mating connector inserted into the plug cavity 16, and the mounting portions 134 being for mounting to an external circuit board. The contact portion 132 is located above the fixing portion 133, and the fixing portion 133 is located above the mounting portion 134. The contact portion 132 is located behind the fixing portion 133, the mounting portion 134 is located in front of the fixing portion 133, and the contact portion 132 and the fixing portion 134 extend in opposite directions.

The row of conductive terminals 131 includes a first ground terminal G1, a first signal terminal S1, a second signal terminal S2 and a second ground terminal G2 arranged in sequence. The first ground terminal G1 and the second ground terminal G2 are used for connecting ground signals and shielding the signal terminal pairs from electromagnetic interference. The ground plate 14 includes a bridge portion 143, and a first abutting portion 141 and a second abutting portion 142 extending from the bridge portion 143, the first abutting portion 141 is physically and electrically connected to the first ground terminal G1, the second abutting portion 142 is physically and electrically connected to the second ground terminal G2, the ground plate 14 further includes a hook portion 144 bent forward from the bridge portion 143, and the hook portion 144 abuts against the front wall of the lower body 12. The bridge portion 143 is flat, and the first contact portion 141 and the second contact portion 142 are elastically contacted with the first ground terminal G1 and the second ground terminal G2, respectively. The first abutting portion 141 and the second abutting portion 142 have substantially the same shape and size, so that the manufacturing is facilitated, and the first abutting portion 141 and the second abutting portion 142 electrically connect the first ground terminal G1 and the second ground terminal G2, so that a common ground effect is achieved, and the electromagnetic interference between the signal terminal pairs is further reduced.

The row of ground terminals 131 includes a plurality of groups of first ground terminals G1, first signal terminals S1, second signal terminals S2 and second ground terminals G2 arranged in sequence, the ground plate 14 includes a plurality of groups of first abutting portions 141 and second abutting portions 142, the first abutting portions 141 abut against the corresponding first ground terminals G1 respectively, and the second abutting portions 142 abut against the corresponding second ground terminals G2 respectively.

The hook portion 144 includes an arc portion 147 and a flat plate portion 148, the flat plate portion 148 is located on the front side of the arc portion 147, and the flat plate portion 148 is provided in parallel with the bridge portion 143. The hook 144 forms a U shape recessed downward, the first abutting portion 141 and the second abutting portion 142 have elasticity, the first abutting portion 141 is elastically abutted against the first ground terminal G1, and the second abutting portion 142 is elastically abutted against the second ground terminal G2.

The SFP receptacle connector 100 includes an insulating block 17 and a conductive block 18, the conductive block 17 is sandwiched between the insulating block 18 and the lower body 12, and the insulating block 17 is sandwiched between the conductive block 17 and the upper body 11. The insulating block 17 is located behind the terminal module 13, the conductive block 18 is located behind the terminal module 13, and the conductive block 18 is located below the insulating block 17.

The insulating block 17 includes an insulating main body 171 and a limiting post 172 extending upward from the insulating main body 171, and the upper body 11 is provided with a limiting hole 111 for installing the limiting post 172. The lower body 12 is provided with a guide post 124, the upper body 11 is provided with a guide groove 112, and the guide post 124 is inserted into the guide groove 112. The lower body 12 includes a bottom wall 125 and a mounting post 126 projecting downwardly from the bottom wall 125. The SFP receptacle connector 100 includes a latch block 21 mounted to a bottom wall 125, with the mounting posts 126 passing through the latch block 21.

The conductive block 18 includes a body portion 181, an upper protrusion 182, and a lower protrusion 183. The upper protrusion 182 protrudes upward from the body part 181, and the lower protrusion 183 protrudes downward from the body part 181. The upper rib 182 has a substantially circular arc shape, the lower rib 183 has a substantially circular arc shape, and the upper rib 182 and the lower rib 183 are symmetrically disposed. The conductive block 18 includes a row of upper ribs 182 and a row of lower ribs 183, the row of upper ribs 182 and the row of lower ribs 183 being symmetrically disposed with respect to the body portion 181.

The mounting post 126 includes a first mounting post 1261 and a second mounting post 1262, the lock block 21 includes a first lock block 211 and a second lock block 212, the first mounting post 1261 passes through the first lock block 211, and the second mounting post 1262 passes through the second lock block 212. The first mounting post 1261 and the second mounting post 1262 are located on opposite sides of the lower body 12 in the width direction. First locking piece 211 and second locking piece 212 are all including the plate body portion 213 of laminating in diapire 125 and the foot 214 that upwards extends from plate body portion 213, foot 214 has barb 215, foot 214 is buried underground in diapire 125.

Compared with the prior art, this application grounding lug 14 includes the first butt portion 141 of a plurality of groups and second butt portion 142, first butt portion 141 butt respectively in corresponding first ground terminal G1, second butt portion 142 butt respectively in corresponding second ground terminal G2, grounding lug 14 need not welding and integrative injection moulding, direct butt installation target in place can to simple structure, manufacturing cost is lower.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and within the scope of the present invention.

Claims

1. An SFP socket connector is characterized by comprising an upper body, a lower body, a terminal module and a grounding sheet, wherein the terminal module is clamped between the upper body and the lower body, the SFP socket connector is provided with a plug interface and a plug cavity, the terminal module is at least partially accommodated in the plug cavity and comprises a row of conductive terminals, the lower body is provided with a partition, a front accommodating groove and a rear accommodating groove, the front accommodating groove is positioned in front of the partition, the rear accommodating groove is positioned behind the partition, the conductive terminals comprise a contact part, a fixing part and an installation part, the fixing part is fixed on the front side surface of the partition, the contact part extends into the plug cavity upwards and backwards from the fixing part, the contact part extends downwards and forwards from the fixing part and exceeds the partition, and the contact part is used for being electrically connected with a butting connector inserted into the plug cavity in a conductive mode, the installation department is used for installing to external circuit board, one row of conductive terminal is including the first ground terminal, first signal terminal, second signal terminal and the second ground terminal who arranges in proper order, the grounding lug includes bridge portion and the first butt portion and the second butt portion that extend from bridge portion, first butt portion and first ground terminal physics and electric connection, second butt portion and second ground terminal physics and electric connection, the grounding lug still includes the hook portion of bending forward from bridge portion, hook portion butt in the antetheca of body down.

2. The SFP receptacle connector of claim 1, wherein: the row of grounding terminals comprise a plurality of groups of first grounding terminals, first signal terminals, second signal terminals and second grounding terminals, the grounding sheet comprises a plurality of groups of first abutting parts and second abutting parts, the first abutting parts are respectively abutted against the corresponding first grounding terminals, and the second abutting parts are respectively abutted against the corresponding second grounding terminals.

3. The SFP receptacle connector of claim 2, wherein: the hook part comprises an arc part and a flat plate part, the flat plate part is positioned on the front side of the arc part, and the flat plate part and the bridge part are arranged in parallel.

4. The SFP receptacle connector of claim 2, wherein: the hook part forms a U shape which is sunken downwards, the first abutting part and the second abutting part have elasticity, the first abutting part is elastically abutted against the first grounding terminal, and the second abutting part is elastically abutted against the second grounding terminal.

5. The SFP receptacle connector of claim 4, wherein: the SFP socket connector comprises an insulating block and a conductive block, wherein the conductive block is clamped between the insulating block and the lower body, and the insulating block is clamped between the conductive block and the upper body.

6. The SFP receptacle connector of claim 5, wherein: the insulating block is located the rear of terminal module, the conducting block is located the below of insulating block, the insulating block includes insulating main part and the spacing post that upwards extends from insulating main part, it is equipped with the spacing hole that is used for spacing post installation to go up the body.

7. The SFP receptacle connector of claim 6, wherein: the lower body is provided with a guide post, the upper body is provided with a guide groove, and the guide post is inserted in the guide groove.

8. The SFP receptacle connector of claim 7, wherein: the lower body comprises a bottom wall and a mounting column which protrudes downwards from the bottom wall, the SFP socket connector comprises a locking block mounted on the bottom wall, and the mounting column penetrates through the locking block.

9. The SFP receptacle connector of claim 8, wherein: the erection column includes first erection column and second erection column, the hasp piece includes first hasp piece and second hasp piece, first erection column passes first hasp piece, the second erection column passes the second hasp piece, first erection column and second erection column are located body width direction's opposite both sides down.

10. The SFP receptacle connector of claim 9, wherein: first hasp piece and second hasp piece all include the plate body portion of laminating in the diapire and the foot that upwards extends from plate body portion, the foot has the barb, the foot is buried underground in the diapire.