CN217956288U

CN217956288U - Socket connector and connector assembly

Info

Publication number: CN217956288U
Application number: CN202221901541.8U
Authority: CN
Inventors: 马云青
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-02
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a socket connector and connector assembly, wherein the socket connector includes insulator foot, socket power supply terminal, socket signal terminal to and a pair of socket shield that is electrical insulation each other. The insulating base comprises a base body, an end wall supporting part and a terminal fixing part, wherein two rows of terminal mounting grooves are formed in the terminal fixing part. The socket power terminals and the socket signal terminals are fixed in the terminal mounting grooves, and the socket signal terminals are located between the socket power terminals. The socket shielding part comprises a pair of short-edge structures which are oppositely arranged, each short-edge structure comprises an upper side face located on the upper side of the corresponding end wall supporting part and an outer side face located on the outer side of the corresponding end wall supporting part, and the end parts of the short-edge structures are bent and extend along the length direction to form long-edge structures which are connected with the two end wall supporting parts. Compared with the prior art, the utility model discloses claimed socket connector simple structure can be used to transmit super large electric current, and the through-current capability is strong.

Description

Socket connector and connector assembly

Technical Field

The utility model relates to a connector technical field especially relates to a socket connector and connector assembly.

Background

Board-to-Board (BTB) is a connector product with the strongest transmission capability among all connector product types, and is mainly applied to industries such as power systems, communication networks, financial manufacturing, elevators, industrial automation, medical equipment, office equipment, household appliances, military manufacturing and the like. With the rapid development of communication technology and the demand of market development, in recent years, electronic devices are developed towards being light, thin, short and small, and the requirements for board-to-board connectors are becoming more and more miniaturized, and at the same time, the requirements for board-to-board current capacity are also becoming higher and more. The current structure of the board-to-board connector is limited in design space, and the ability to transmit current is difficult to meet the development requirements.

Therefore, a socket connector and a connector assembly having a simple structure and a high current capacity, which can be used for transmitting a large current, are needed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a socket connector, simple structure can be used to transmit super large current, and the discharge current ability is strong.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a socket connector comprising an insulative base, socket power terminals and socket signal terminals secured to the insulative base, and a pair of socket shields disposed opposite the insulative base and electrically insulated from each other, wherein:

the insulating base comprises a base body, end wall supporting parts arranged on two sides of the base body and a terminal fixing part positioned between the end wall supporting parts, wherein two rows of terminal mounting grooves are formed in the terminal fixing part;

the socket power terminals and the socket signal terminals are fixed in the terminal mounting grooves, and the socket signal terminals are located between the socket power terminals;

the socket shielding piece comprises a pair of short edge structures which are oppositely arranged, each short edge structure comprises an upper side face located on the upper side of the corresponding end wall supporting portion and an outer side face located on the outer side of the corresponding end wall supporting portion, and the end portions of the short edge structures are bent and extend along the length direction to form long edge structures which are connected with the two short edge structures.

Preferably, the inner wall of the end wall supporting part is provided with a positioning groove, the short side structure comprises a positioning piece formed by downward extending the inner side of the upper side surface, and the positioning piece is positioned in the positioning groove.

Preferably, the two side walls of the positioning sheet are provided with first clamping structures which are abutted against the inner wall of the positioning groove.

Preferably, the long side structure includes a long side upper side surface connected to the upper side surface, a long side outer side surface connected to the outer side surface, and a contact piece formed by extending the inner side of the long side upper side surface downward.

Preferably, the two sides of the contact piece are provided with second bayonet structures which are abutted with the end wall supporting parts.

Preferably, the socket shield further comprises a solder leg structure, and the solder leg structure is arranged at the bottom of the long side structure and/or the short side structure.

A connector assembly comprising any one of the receptacle connectors described above, and further comprising a plug connector, wherein:

the plug connector comprises a plastic base, a plug power supply terminal and a plug signal terminal which are fixed on the plastic base, and a pair of plug shielding pieces which are oppositely arranged on the plastic base and are insulated from each other;

when the plug connector is matched and connected with the socket connector, the plug power terminals are in electrical contact with the socket power terminals, the plug signal terminals are in electrical contact with the socket signal terminals, and the plug shielding pieces are in electrical contact with the socket shielding pieces.

Preferably, the plastic base includes the plastic body, is located the plastic end wall of plastic body both sides, and is located plastic fixed part in the middle of the plastic body, the plug shield includes the shielding minor face of a pair of relative setting, and connects the shielding long limit of shielding minor face, the shielding minor face is including being located shielding minor face downside of plastic end wall downside and being located the shielding minor face lateral surface in the plastic end wall outside.

Preferably, the plastic end wall inboard is equipped with spacing recess, the shielding minor face still includes follows the upwards extending spacing piece of shielding minor face lower side, spacing piece is located in the spacing recess.

Preferably, the limiting sheet is provided with a third bayonet structure abutted against the inner wall of the limiting groove.

The beneficial effects of the utility model reside in that: through set up two relative terminal mounting grooves that are listed on insulating base, divide into two with socket power supply terminal and socket signal terminal and fix in the terminal mounting groove, the socket signal terminal in every row all is located between the socket power supply electron, rethread sets up two socket shield of electrical property insulation each other, every socket shield constitutes a utmost point (one side constitutes the positive pole, the opposite side constitutes the negative pole) of current transmission with socket power supply terminal rather than the socket signal terminal of adjacent one row jointly, and make its and the plug connector of butt joint have great area of contact through socket shield's minor face structure and long limit structure, under the same size, can realize the maximum current route, the current capacity is strong.

Drawings

Fig. 1 is a schematic structural view of a socket connector according to an embodiment of the present invention;

fig. 2 is an exploded view of the socket connector according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a socket shield of the socket connector according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connector assembly (in a plugged state) according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connector assembly (not shown) according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a plug connector according to an embodiment of the present invention;

fig. 7 is an exploded view of a plug connector according to an embodiment of the present invention.

Reference numerals: 100. a receptacle connector; 110. an insulating base; 111. a base body; 112. an end wall support; 1121. a positioning groove; 113. a terminal fixing portion; 1131. a terminal mounting groove; 120. a socket power supply terminal; 130. a socket signal terminal; 140. a socket shield; 141. a short edge structure; 1411. an upper side surface; 1412. an outer side surface; 1413. positioning a sheet; 1414. a first bayonet structure; 142. a long side structure; 1421. the upper side surface and the side surface of the long side; 1422. the outer side of the long side; 1423. a contact piece; 1424. a second bayonet structure; 143. a solder tail structure; 200. a plug connector; 210. a plastic base; 211. a plastic body; 212. a plastic end wall; 2121. a limiting groove; 213. a plastic fixing part; 220. a plug power supply terminal; 230. a plug signal terminal; 240. a plug shield; 241. shielding the short side; 2411. shielding the lower side of the short side; 2412. shielding the outer side of the short side; 2413. a limiting sheet; 2414. a third bayonet structure; 242. the long side is shielded.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from the embodiments described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments disclosed below.

The embodiment of the application provides a socket connector, solves the technical problem that the ability of the prior art medium plate to plate connector is difficult to satisfy the development requirement because the design space is limited. In the present application, when the receptacle connector and the plug connector are plugged, the direction of the receptacle connector with respect to the plug connector is lower, or bottom, and the opposite direction is upper, or top.

As shown in fig. 1 to 3, the embodiment of the present application:

a socket connector 100 includes an insulative base 110, socket power terminals 120 and socket signal terminals 130 fixed on the insulative base 110, and a pair of socket shields 140 disposed opposite to each other on the insulative base 110 and electrically insulated from each other. The insulating base 110 includes a base body 111, end wall support portions 112 disposed on two sides of the base body 111, and a terminal fixing portion 113 located between the end wall support portions 112, wherein two rows of terminal mounting grooves 1131 are disposed on the terminal fixing portion 113. More specifically, the terminal mounting grooves 1131 include power terminal mounting grooves for mounting the fixed socket power terminals 120 and signal terminal mounting grooves for mounting the fixed socket signal terminals 130. The socket power terminals 120 are fixed in the power terminal mounting grooves, and the socket signal terminals 130 are fixed in the signal terminal mounting grooves. In each row of terminal mounting grooves 1131, power terminal mounting grooves are disposed on both sides, and signal terminal mounting grooves are disposed in the middle, i.e. receptacle signal terminals 130 are located between receptacle power terminals 120.

The socket shield 140 includes a pair of short side structures 141 arranged oppositely, each short side structure 141 includes an upper side 1411 located on the upper side of the end wall support 112 and an outer side 1412 located on the outer side of the end wall support 112, and the ends of the short side structures 141 are bent and extended along the length direction of the socket connector 100 to form a long side structure 142 connecting the short side structures 141.

In order to solve the technical problem that the current transmission capacity of the board-to-board connector is difficult to meet the development requirement due to the limited design space in the prior art, two rows of terminal mounting grooves are arranged on an insulating base, socket power supply terminals and socket signal terminals are divided into two rows and fixed in the terminal mounting grooves, the socket signal terminals in each row are all located between socket power supply electrons, then two socket shielding pieces which are electrically insulated from each other are arranged, each socket shielding piece and the socket signal terminals in one adjacent row and the socket power supply terminals jointly form one electrode (one side forms an anode and the other side forms a cathode) of current transmission, the short edge structure and the long edge structure of each socket shielding piece enable the socket shielding piece and a plug connector which is butted to have a large contact area, the maximum current path can be realized under the same size, and the through-current capacity is strong.

Preferably, the inner wall of the end wall supporting portion 112 is provided with a positioning groove 1121, and the short side structure 141 includes a positioning tab 1413 formed by extending downward from the inner side of the upper side 1411, and the positioning tab 1413 is located in the positioning groove. By providing the positioning tab 1413, the contact area between the receptacle shield 140 and the header shield 240 (shown later) can be enlarged, which improves the shielding effect of the connector assembly and also helps to further improve the current capacity of the connector assembly. More specifically, the two side walls of the positioning piece 1413 are provided with first bayonet structures 1414 abutting against the inner walls of the positioning grooves 1121, so that the positioning piece 1413 is prevented from warping and deforming during the insertion and extraction process of the connector assembly, and the structural stability of the connector assembly is improved.

Preferably, the long-side structure 142 includes a long-side upper side 1421 connected to the upper side 1411, a long-side outer side 1422 connected to the outer side 1412, and a contact piece 1423 extending downward from the inside of the long-side upper side 1421. The contact pads 1423 may further increase the contact area between the receptacle shield 140 and the header shield 240, further increasing the current capacity of the connector. More specifically, the two sides of the contact piece 1423 are provided with second bayonet structures 1424 abutting against the end wall supporting portion 1121, so as to effectively prevent the contact piece 1423 from warping and deforming, improve the structural stability of the connector assembly, and further facilitate improving the service life of the connector assembly.

Preferably, the socket shield 140 further includes a solder tail structure 143 thereon, and the solder tail structure 143 is disposed at the bottom of the long side structure 142 and/or the short side structure 141. Illustratively, as shown in fig. 2, solder tail structures 143 are disposed at the bottom of the long side structures 142 for solder fixing the receptacle connector. In some embodiments, the solder tail structure 143 is disposed at the bottom of the short side structure 141, and in other embodiments, the solder tail structure 143 is disposed at the bottom of the short side structure 141 and the bottom of the long side structure 142, which are not described in detail herein.

As shown in fig. 4 and 5, the present application also provides a connector assembly including any of the receptacle connectors 100 described above, and further including a plug connector 200. The plug connector 100 includes a plastic base 210, a plug power terminal 220 and a plug signal terminal 230 fixed on the plastic base 210, and a pair of plug shields 240 oppositely disposed on the plastic base 210 and insulated from each other. When the plug connector 200 is mated with the receptacle connector 100, the plug power terminals 220 are electrically contacted with the receptacle power terminals 120, the plug signal terminals 230 are electrically contacted with the receptacle signal terminals 130, and the plug shields 240 are electrically contacted with the receptacle shields 140.

Preferably, the plastic base 210 includes a plastic body 211, plastic end walls 212 located at two sides of the plastic body 211, and a plastic fixing portion 213 located in the middle of the plastic body 211, the plug shield 240 includes a pair of oppositely disposed shield short sides 241 and a shield long side 242 connected to the shield short sides 241, the shield short sides 241 include a shield short side underside 2411 located at the lower side of the plastic end wall 212, and a shield short side outer side 2412 located at the outer side of the plastic end wall 212.

Preferably, the inner side of the plastic end wall 212 is provided with a limiting groove 2121, the shielding short side 241 further includes a limiting piece 2413 extending upward along the lower side 2411 of the shielding short side, and the limiting piece 2413 is located in the limiting groove 2121. Through setting up spacing piece and spacing recess, help improving the fixed strength of plug shield on the plastic base, and then be favorable to improving the structural stability of plug connector. More specifically, the limiting sheet 2413 is provided with a third bayonet structure 2414 abutting against the inner wall of the limiting groove 2121.

Preferably, the receptacle shield 140 and/or the header shield 240 are formed by a drawing process. In a specific embodiment of the present application, the socket shield 140 and the plug shield 240 are both formed by a drawing process, the forming process is simple, the formed shield has high structural strength and excellent electromagnetic shielding performance, and the use performance of the connector assembly is improved.

Preferably, the plug power terminals 220, the plug signal terminals 230 and the plastic base 210 in the plug connector 200 are fixed together by insert-molding (insert-molding), and the molding process is simple and convenient for production and processing. The insert molding is a molding method in which a predetermined insert made of a different material is placed in a mold, and then a resin is injected, and the molten material is bonded to the insert and solidified to form an integrated product.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the invention patent scope. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A socket connector, comprising an insulating base, socket power terminals and socket signal terminals fixed on the insulating base, and a pair of socket shields disposed opposite to each other on the insulating base and electrically insulated from each other, wherein:

the insulating base comprises a base body, end wall supporting parts arranged on two sides of the base body and terminal fixing parts positioned between the end wall supporting parts, wherein two rows of terminal mounting grooves are formed in the terminal fixing parts;

2. The receptacle connector according to claim 1, wherein: the inner wall of the end wall supporting part is provided with a positioning groove, the short edge structure comprises a positioning sheet formed by downward extending the inner side of the upper side surface, and the positioning sheet is positioned in the positioning groove.

3. The receptacle connector according to claim 2, wherein: and first clamping thorn structures which are abutted against the inner wall of the positioning groove are arranged on the two side walls of the positioning sheet.

4. The receptacle connector according to claim 1, wherein: the long limit structure include with the long limit that the side meets goes up the side and with the long limit lateral surface that the lateral surface meets still includes the contact piece that the inboard downwardly extending of long side upper flank formed.

5. The receptacle connector according to claim 4, wherein: and second clamping thorn structures which are abutted to the end wall supporting parts are arranged on two sides of the contact piece.

6. The receptacle connector according to claim 1, wherein: still include the leg structure on the socket shielding piece, the leg structure sets up long limit structure and/or the bottom of minor face structure.

7. A connector assembly comprising the receptacle connector of any one of claims 1 to 6, and further comprising a plug connector, wherein:

8. The connector assembly of claim 7, wherein: the plastic base includes the plastic body, is located the plastic end wall of plastic body both sides, and is located plastic fixed part in the middle of the plastic body, the plug shield includes the shielding minor face of a pair of relative setting, and connects the shielding long limit of shielding minor face, the shielding minor face is including being located the shielding minor face downside of plastic end wall downside and being located the shielding minor face lateral surface in the plastic end wall outside.

9. The connector assembly of claim 8, wherein: the plastic end wall inboard is equipped with spacing recess, the shielding minor face still includes follows the spacing piece that the shielding minor face downside upwards extends, spacing piece is located in the spacing recess.

10. The connector assembly of claim 9, wherein: and the limiting sheet is provided with a third bayonet structure which is abutted against the inner wall of the limiting groove.