CN216289281U

CN216289281U - Socket connector and connector assembly

Info

Publication number: CN216289281U
Application number: CN202121916298.2U
Authority: CN
Inventors: 陈杰; 黄颗
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-04-12
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a socket connector and a connector assembly. The plastic base comprises a base bottom plate, a long-wall structure arranged on one side of the base bottom plate, side wall structures located at two ends of the long-wall structure, terminal accommodating grooves arranged along the long-wall structure, and a locking groove located on the side wall structure. The blade terminal comprises a first contact part, a fixing connecting part and a welding fixing part which are arranged in sequence, and the fixing connecting part is fixed in the terminal accommodating groove. The lock catch piece comprises a lock catch base body, an elastic arm and a welding leg, the lock catch base body is abutted against the inner wall of the lock catch groove so that the lock catch piece is fixedly connected with the plastic base, the lock catch base body is a plate, and the lock catch base body is provided with a window to form the elastic arm. Compared with the prior art, can effectively prevent to take place not hard up when being connected with the cooperation of plug connector, have high cooperation fixed reliability, electric current and signal transmission are stable.

Description

Socket connector and connector assembly

Technical Field

The present invention relates to the field of electrical connectors, and more particularly, to a receptacle connector and a connector assembly.

Background

Wire-to-Board (WTB) connectors are connectors for connecting wires and circuit boards, and have the main function of transmitting power and signals, and the main application field of Wire-to-Board connector products includes commercial electronic devices, household appliances and other auxiliary circuits. With the increasing demand of people for small electronic products with longer relay functions, part of the small electronic products are limited by small volume, dense space arrangement and the like, and the WTB connector is required to be miniaturized more and more. The existing WTB connector has a small volume and a limited local space, cannot ensure that a plug is tightly matched with a socket by virtue of plastic single-clamping-point buckling at two sides, and is easy to loose at the contact part of the socket and the plug in the application process, so that the transmission of current and signals is unstable.

Therefore, a connector with high reliability of fitting and fixing and stable current and signal transmission is needed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a socket connector, can effectively prevent to take place not hard up when being connected with the cooperation of plug connector, has high cooperation fixed reliability, and electric current is stable with signal transmission.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a receptacle connector comprising:

the plastic base comprises a base bottom plate, a long wall structure arranged on one side of the base bottom plate, side wall structures positioned at two ends of the long wall structure, terminal accommodating grooves distributed along the long wall structure, and a locking groove positioned on the side wall structures;

the blade terminal comprises a first contact part, a fixing connecting part and a welding fixing part which are arranged in sequence, wherein the fixing connecting part is fixed in the terminal accommodating groove;

the lock catch piece comprises a lock catch base body, an elastic arm and a welding leg, wherein the lock catch base body is abutted against the inner wall of the lock catch groove so that the lock catch piece is fixedly connected with the plastic base, the lock catch base body is a plate, and a window is formed in the lock catch base body to form the elastic arm.

Preferably, the end part of the lock catch base body, which is far away from the welding leg, is provided with a limiting boss, and the limiting boss is used for preventing the lock catch piece from being inserted too much.

Preferably, the hasp groove is including preventing crossing inserting the platform, the downside of spacing boss with prevent crossing inserting the upside butt of platform.

Preferably, the side wall structure is further provided with a limiting groove, the limiting groove is located on one side of the side wall structure close to the long wall structure, and the locking groove is located on one side of the side wall structure far away from the long wall structure.

Preferably, the hasp groove still includes the proof warp mesa, the proof warp mesa is used for strengthening the hasp spare with the steadiness that the plastic base is connected.

Preferably, the side edge of the first contact portion is provided with a chamfer structure, and the chamfer structure is used for preventing scratching a terminal structure of the butting connector.

Preferably, the locking fastener, the blade terminal and the plastic base are fixed together in an insert molding manner.

Preferably, the side edge of the lock catch base body is provided with a bayonet bulge, and the bayonet bulge is abutted against the inner wall of the lock catch groove to form stable connection.

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 and a plug terminal fixed on the plastic base, the plug terminal comprises a second contact part, a connecting part and a cable fixing part which are sequentially arranged, the cable fixing part is used for fixing a cable, and the connecting part is electrically connected with the cable;

when the plug connector is butted with the socket connector, the first contact part is electrically contacted with the second contact part to transmit power and/or signals.

Preferably, the plastic base is provided with a first anti-return hanging platform, and when the plug connector is connected with the socket connector in a matching manner, the first anti-return hanging platform is located below the end part of the elastic arm.

The utility model has the beneficial effects that: the lock catch piece is integrally formed, and the elastic arm is formed by windowing the lock catch base plate, so that the cost is saved, and the production process is simple; the locking fastener can effectively prevent the plug connector from loosening when being matched and connected, has high matching and fixing reliability, and improves the stability of current and signal transmission; in addition, the terminal is a blade terminal, so that the contact area can be increased when the terminal is electrically contacted with the terminal structure of the butting connector, and the increase of the magnitude of the current allowed by the socket connector is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of a receptacle 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 view of a connector assembly in an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a connector assembly in an embodiment of the present invention;

FIG. 5 is a first cross-sectional view of the connector assembly of FIG. 4;

FIG. 6 is a second cross-sectional view of the connector assembly of FIG. 4;

FIG. 7 is a schematic structural diagram of a plug connector according to an embodiment of the present invention;

fig. 8 is an exploded view of the plug connector according to the embodiment of the present invention.

Reference numerals: 100. a receptacle connector; 110. a plastic base; 111. a base floor; 112. a longwall structure; 113. a sidewall structure; 114. a terminal accommodating groove; 115. a locking groove; 1151. preventing over-insertion of the platform; 1152. a tilting prevention table top; 116. a limiting groove; 1161. the anti-warping bulge; 120. a blade terminal; 121. a first contact portion; 122. a holding connection part; 123. welding the fixing part; 130. a fastener; 131. a latch base; 1311. a limiting boss; 1312. sticking the thorn bulge; 132. a resilient arm; 1321. an abutting surface; 133. welding feet; 1331. a via structure; 200. a plug connector; 210. a plastic base; 211. a first anti-retreat hanging table; 212. a second anti-retreat hanging table; 2121. the hanging table is convex; 220. a plug terminal; 221. a second contact portion; 222. a connecting portion; 223. a cable fixing part; 300. a cable.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

The embodiment of the application provides a socket connector, solves the technical problem that the contact position of a socket and a plug is easy to loosen in the prior art, so that the transmission of current and signals is unstable. It should be noted that, when the socket connector is mated with the plug connector, the direction of the base bottom plate relative to the plug connector is lower, or bottom, and the opposite direction is upper, or top, top; the electric contact part of the blade terminal and the butting connector is the front end or the front end, and the electric contact part of the blade terminal and the butting connector is the rear end or the rear end.

As shown in fig. 1 to 2, the embodiment of the present application:

a socket connector 100 includes a plastic base 110, a blade terminal 120 disposed on the plastic base 110, and a locking member 130. The plastic base 110 includes a base bottom plate 111, a long-wall structure 112 disposed on one side of the base bottom plate 111, side-wall structures 113 disposed at two ends of the long-wall structure 112, terminal receiving grooves 114 arranged along the long-wall structure 112, and locking grooves 115 disposed on the side-wall structures 113. The blade terminal 120 includes a first contact portion 121, a holding connection portion 122, and a solder fixing portion 123, which are sequentially disposed, and the first contact portion 121 is used for electrically contacting a plug terminal 220 of a mating connector, i.e., a plug connector 200 (shown later) to transmit power and/or signals. The fixing connection portion 122 is fixed in the terminal receiving groove 114 for fixing the blade terminal 120 on the plastic base 110, and the soldering fixing portion 123 is used for soldering the blade terminal 120 on a PCB (not shown). Catch member 130 includes a catch base 131, spring arms 132 and solder tails 133. The latch base 131 abuts against the inner wall of the latch groove 115 to fixedly connect the latch 130 with the plastic base 110, the latch base 131 is a plate, and a window is opened on the latch base 131 to form the elastic arm 132. The elastic arm 132 is used to abut against the plug connector 200, thereby ensuring the stability of the contact between the blade terminal 120 and the plug terminal 220. The solder leg 133 is used for welding and fixing the locking device 130 and the PCB together, wherein the solder leg 133 is provided with a through hole structure 1331, and the solder can smoothly sink into the through hole structure 1331 during the welding process, so as to improve the welding firmness between the locking device 130 and the PCB.

The technical problem that the contact part of a socket and a plug is easy to loosen to cause unstable current and signal transmission in the prior art is solved, and the locking groove and the locking piece are arranged, so that the looseness in the matched connection with the plug connector can be effectively prevented, the high-reliability matched fixation is realized, and the stability of current and signal transmission is improved; the lock catch piece is integrally formed, and the elastic arm is formed by windowing the lock catch base plate, so that the cost is saved, and the production process is simple; in addition, the terminal is a blade terminal, so that the contact area can be increased when the terminal is electrically contacted with the terminal structure of the butting connector, and the increase of the magnitude of the current allowed by the socket connector is facilitated.

Preferably, the end of latch base 131 remote from solder tail 133 is provided with a limiting boss 1311, and limiting boss 1311 is used to prevent latch 130 from being over-inserted. More specifically, hasp groove 115 is including preventing crossing inserting platform 1151, and the downside of spacing boss 1311 is low with the upside that prevents crossing inserting platform 1511 connects, can accurate installation hasp piece, prevents that hasp piece from crossing inserting and influence its normal use.

Preferably, the side wall structure 113 is further provided with a limiting groove 116, the limiting groove 116 is located on one side of the side wall structure 113 close to the long wall structure 112, and the locking groove 115 is located on one side of the side wall structure 113 far from the long wall structure 112. The socket connector and the plug connector can be buckled at double clamping points by arranging the limiting groove 116 and the locking piece 130, and the limiting groove 116 and the locking piece 130 are respectively positioned at two sides of the side wall structure 113, so that the plugging tightness between the socket connector 100 and the plug connector 200 is greatly improved. For example, as shown in fig. 5, a limiting groove 116 is formed on the sidewall structure 113, and a second anti-receding hanging platform 212 is further formed on the plastic base 210, wherein when the receptacle connector 200 is connected with the receptacle connector 100, the second anti-receding hanging platform 212 is matched with the limiting groove 116. More specifically, the second anti-receding hanging platform 212 is provided with a hanging platform protrusion 2121, the limiting groove 116 is provided with an anti-warping protrusion 1161, and the hanging platform protrusion 2121 abuts against the anti-warping protrusion 1161 to improve the connection stability between the plug connector 200 and the receptacle connector 100.

Preferably, the locking groove 115 further includes a warpage-preventing mesa 1152, the warpage-preventing mesa 1152 is used to prevent the plug connector 200 from adversely affecting the locking element 130 during insertion and extraction, and prevent the locking element 130 from warping and deforming, so as to enhance the stability of the connection between the locking element 130 and the plastic base 110.

Preferably, the side of the first contact portion 121 is provided with a chamfer structure, and the chamfer structure is used for preventing scratching the terminal structure of the mating connector. Specifically, the upper side surface and the front end surface of the first contact portion 121 are both provided with a chamfer structure, so that the plug terminal 220 can be effectively prevented from being scratched in the process of inserting and pulling the plug connector 200 relative to the socket connector 100. In some embodiments, the upper side and the front side of the first contact portion 121 of the blade terminal 120 are smooth structures such as a hemispherical structure, an arc structure, etc., which can also prevent scratching the plug terminal.

Preferably, the locking member 130, the blade terminal 120 and the plastic base 110 are fixed together by insert-molding (insert-molding), so that the molding process is simple, and the production efficiency of the socket connector is improved.

Preferably, the latch base 131 is provided with a bayonet projection 1311 on a side wall thereof, and the bayonet projection 1311 abuts against an inner wall of the latch groove 150 to form a stable connection. When the locking part 130 is fixed with the plastic base 110 by insert molding, the bayonet protrusion 1311 can increase the contact area between the plastic base 110 and the locking part 130, thereby improving the connection stability; latch 130 and plastic base 110 are fixed together by assembling, and the contact strength between latch 130 and latch groove 150 can be improved by bayonet projection 1311, so that the connection stability can be improved.

The present application further provides a connector assembly, as shown in fig. 3 to 6, including any of the receptacle connectors 100 described above, and further including a plug connector 200. As shown in fig. 7 to 8, the plug connector 200 includes a plastic base 210 and a plug terminal 220 fixed on the plastic base 210, the plug terminal 220 includes a second contact portion 221, a connecting portion 222 and a cable fixing portion 223, the second contact portion, the connecting portion 221, the connecting portion 222 and the cable fixing portion 223 are sequentially disposed, the cable fixing portion 223 is used for fixing the cable 300, and the connecting portion 222 is electrically connected to the cable 300. When the plug connector 200 is mated with the receptacle connector 100, the first contact portions 121 and the second contact portions 221 are electrically contacted to transmit power and/or signals.

Preferably, as shown in fig. 6, the plastic base 210 is provided with a first anti-back hanging platform 211, when the plug connector 200 is connected with the socket connector 100 in a matching manner, the first anti-back hanging platform 211 is located below the end of the elastic arm 132, so that the plug connector 200 and the socket connector 100 can be effectively prevented from loosening, and the contact stability thereof is improved.

The insert molding process is a molding method in which a predetermined insert made of a different material is placed in a mold, and then resin is injected, and the molten material is bonded and solidified with the insert 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-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A receptacle connector, comprising:

2. The receptacle connector according to claim 1, wherein: the end part of the lock catch base body, which is far away from the welding leg, is provided with a limiting boss, and the limiting boss is used for preventing the lock catch piece from being inserted too much.

3. The receptacle connector according to claim 2, wherein: the hasp groove is including preventing crossing inserting the platform, the downside of spacing boss with prevent crossing inserting the last side butt of platform.

4. The receptacle connector according to claim 1, wherein: the side wall structure is further provided with a limiting groove, the limiting groove is located on one side, close to the long wall structure, of the side wall structure, and the locking groove is located on one side, far away from the long wall structure, of the side wall structure.

5. The receptacle connector according to claim 1, wherein: the lock catch groove further comprises a warping-proof table board, and the warping-proof table board is used for reinforcing the stability of the lock catch piece connected with the plastic base.

6. The receptacle connector according to claim 1, wherein: and the side edge of the first contact part is provided with a chamfer structure, and the chamfer structure is used for preventing the terminal structure of the butting connector from being scratched.

7. The receptacle connector according to claim 1, wherein: the lock catch piece, the blade terminal and the plastic base are fixed together in an embedding and molding mode.

8. The receptacle connector according to claim 1, wherein: the side edge of the lock catch base body is provided with a bayonet bulge, and the bayonet bulge is connected with the inner wall of the lock catch groove in a stable manner in an abutting mode.

9. A connector assembly comprising the receptacle connector of any one of claims 1-8, and a plug connector, wherein:

10. The connector assembly of claim 9, wherein: be provided with the first platform of hanging of preventing moving back on the plastic base, work as plug connector with when the socket connector cooperation is connected, the first platform of hanging of preventing moving back is located the below of the tip of elastic arm.