CN217405731U

CN217405731U - Plug connector and connector assembly

Info

Publication number: CN217405731U
Application number: CN202220804151.2U
Authority: CN
Inventors: 徐鹏鹏; 张顺华; 尹绪引
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-09-09
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a plug connector and connector assembly, plug connector includes plastic base, first signal terminal and first endwall fender bracket wherein. The plastic base comprises a pair of long edge structures arranged oppositely and a pair of short edge structures arranged oppositely, and the first signal terminal is fixed on the long edge structures. The first end wall protection frame comprises an end wall protection part, a connecting part and a lock catch part which are sequentially arranged, the end wall protection part is fixed on the plastic base, the connecting part is respectively connected with the end wall protection part and the lock catch part and extends along the length direction of the plug connector, and the lock catch part is matched with a lock catch through hole in a PCB (printed circuit board) of a socket connector which is fixedly plugged with the plug connector to lock or unlock the plug connector and the socket connector. Compared with the prior art, the utility model discloses claimed plug connector simple structure, equipment and assembly efficiency are high, and high with the socket connector's to the socket contact stability ability.

Description

Plug connector and connector assembly

Technical Field

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

Background

The Board-to-Board (BTB) connector has 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 and military manufacturing. With the increasing development of market development technology, the market products are developed in the direction of thinning and high performance, and meanwhile, higher requirements are put forward on the stability of product signal transmission. In some application scenes, in order to ensure the contact stability of the plug and the socket in the BTB connector assembly, the steel sheet is used for covering the locking screw after the plug and the socket are plugged, the occupied substrate area is large, the process is complicated, and the efficiency is low.

Therefore, a plug connector and a connector assembly with simple structure, high assembly and assembly efficiency and high contact stability are needed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a plug connector, simple structure, equipment and assembly efficiency are high, and with the socket connector's of plug-in contact stability can be high.

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

a plug connector, comprising:

the plastic base comprises a pair of long edge structures arranged oppositely and a pair of short edge structures arranged oppositely;

the first signal terminal is fixed on the long side structure;

first end wall fender bracket, including the end wall protection part, connecting portion and the hasp portion that set gradually, the end wall protection part is fixed on the plastic base, connecting portion respectively with the end wall protection part with hasp portion meets and follows the length direction of plug connector extends, hasp portion be used for with fixed with the cooperation of hasp through-hole on the PCB board of the socket connector of plug connector is in order to incite somebody to action plug connector with the socket connector locks or the unblock.

Preferably, the first end wall protection frame comprises two lock catch portions, and the lock catch portions are respectively connected with two side edges of the connecting portion, which are opposite to each other.

Preferably, the two locking portions on the first end wall protection bracket cooperate with the same locking through hole to lock or unlock the plug connector and the socket connector.

Preferably, the two locking portions on the first end wall protection frame are respectively matched with the two locking through holes to lock or unlock the plug connector and the socket connector.

Preferably, the first end wall protector includes one of the locking portions, and the locking portion is located at an end in an extending direction of the connecting portion.

Preferably, the first end wall protector includes one of the locking portions, and the locking portion is connected to any one of a pair of opposite two side edges of the connecting portion.

Preferably, the locking parts arranged at the two ends of the plastic base are axisymmetric.

Preferably, the locking parts arranged at the two ends of the plastic base are centrosymmetric.

Preferably, the lock catch part comprises a connecting support plate, a transition plate, a lock catch protrusion, a connecting plate and a pressing plate which are sequentially arranged, the connecting support plate is connected with the connecting part, and the lock catch protrusion is arranged on the transition plate and the connecting plate.

A connector assembly comprising any one of the above plug connectors and further comprising a receptacle connector secured to a PCB board, wherein:

the socket connector comprises an insulating base, a second signal terminal fixed on the insulating base, and a second end wall protection frame fixed on the end wall of the insulating base;

the PCB board is provided with a lock catch through hole matched with the lock catch part;

when the plug connector is plugged with the socket connector, the first signal terminal is electrically contacted with the second signal terminal to transmit power and/or signals, the first end wall protection frame is electrically contacted with the second end wall protection frame, and the locking part is positioned in the locking through hole to enhance the connection stability of the plug connector and the socket connector.

The beneficial effects of the utility model reside in that: through set up hasp portion on first endwall fender bracket, when plug connector and socket connector when inserting, in the hasp through-hole on the PCB board of fixed socket connector of hasp portion embedding, be in the state of locking with plug connector and socket connector, when needs are separately plug connector and socket connector, apply external force to hasp portion and make it break away from the hasp through-hole, can extract plug connector from the socket connector, the contact stability of connector subassembly has been improved greatly, satisfy adverse circumstances's application demand, and simultaneously, hasp portion sets up in the plastic base outside, plug connector's simple structure, be favorable to improving production and assembly efficiency.

Drawings

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

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

fig. 3 is a first structural schematic diagram of a first end wall protector in an embodiment of the 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 structural view of a connector assembly (not inserted) according to an embodiment of the present invention;

fig. 6 is a first cross-sectional view of a connector assembly (mated state) in an embodiment of the invention;

fig. 7 is a second structural schematic diagram of the first end wall protection bracket according to the embodiment of the present invention;

fig. 8 is a second cross-sectional view of the connector assembly (mated state) in an embodiment of the invention;

fig. 9 is a third structural view of the first end wall protector according to the embodiment of the present invention;

fig. 10 is a third cross-sectional view of the connector assembly (in the mated state) according to an embodiment of the present invention.

Reference numerals: 100. a plug connector; 110. a plastic base; 111. a long side structure; 112. a short edge structure; 120. a first signal terminal; 130. a first end wall fender bracket; 131. an end wall protection part; 132. a connecting portion; 133. a locking part; 1331. connecting the supporting plate; 1332. a transition plate; 1333. a locking buckle bulge; 1334. a connecting plate; 1335. a pressing plate; 200. a receptacle connector; 210. an insulating base; 220. a second signal terminal; 230. a second end wall protection bracket; 300. a PCB board; 310. a lock catch through hole; 311. and (4) a boss structure.

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 present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

The embodiment of the application provides a plug connector, solves the technical problems that in the prior art, after a plug and a socket are plugged, a steel sheet covers a lock screw, the occupied area of a substrate is large, the process is complex, and the efficiency is low.

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

a plug connector 100 includes a plastic base 110, a first signal terminal 120 and a first end wall protection frame 130. The plastic base 110 includes a pair of long side structures 111 and a pair of short side structures 112. The first signal terminals 120 are fixed on the long-side structure 111, and the first signal terminals 120 and the plastic base 110 can be fixed together by insert-molding (insert-molding), so that the molding process is simple, and the improvement of the production efficiency is facilitated.

The first end wall protector 130 includes an end wall protector 131, a connecting portion 132, and a locking portion 133, which are sequentially disposed. The end wall protection portion 131 is fixed on the plastic base 110, and more specifically, the end wall protection portion 131 is fixed on the short side structure 112 and extends along the long side structure 111 to enhance the overall structural strength of the plug connector 100 and improve the electromagnetic shielding performance. The connecting portion 132 is connected to the end wall protection portion 131 and the locking portion 133, respectively, and extends along the length direction of the plug connector 100, specifically, the connecting portion 132 may be a flat plate structure extending along the length direction of the plug connector 100 and is located outside the plastic base 110. The receptacle connector 200 (shown later) mated with the plug connector 100 is fixed to a PCB board 300 (shown later) provided with latch through-holes 310. The locking portions 133 and the locking through holes 310 cooperate with each other to lock or unlock the plug connector 100 and the receptacle connector 200.

The joint strength through covering steel sheet reinforcement plug and socket among the prior art leads to occupying the base plate area big, the loaded down with trivial details and the technical problem of inefficiency of process, this application is through setting up hasp portion on first endwall fender bracket, when plug connector and socket connector are to inserting, in the hasp through-hole on the PCB board of fixed socket connector of hasp portion embedding, be in the state of locking with plug connector and socket connector, when needs are parted plug connector and socket connector, exert external force to hasp portion and make it break away from the hasp through-hole, can extract plug connector from the socket connector, the contact stability of connector subassembly has been improved greatly, satisfy adverse circumstances's application demand, and simultaneously, hasp portion sets up in the plastic base outside, plug connector's simple structure, be favorable to improving production and assembly efficiency.

Preferably, the first end wall protection bracket 130 includes two locking portions 133, and the two locking portions 133 are respectively connected to two sides of the connecting portion 132. When the plug connector 100 and the receptacle connector 200 are unlocked, a pair of pressing forces in the short direction are applied to the two locking portions 133 on the same first end wall protection bracket 130. In one embodiment, when the plug connector 100 is inserted into the receptacle connector 200, two locking portions 133 on the same first end wall protection frame 130 are engaged with the same locking through hole 310 (not shown), i.e. two locking portions 133 correspond to one locking through hole 310. In another embodiment, as shown in fig. 6, when the plug connector 100 is plugged into the receptacle connector 200, the two locking portions 133 on the same first end wall protection frame 130 are respectively matched with the two locking through holes 310, that is, the locking portions 133 and the locking through holes 310 are arranged in a one-to-one correspondence, and a small external force is applied to the locking portions to unlock the plug connector 100 from the receptacle connector 200, which helps to improve the sensitivity of the locking portions 133 and facilitate the operation.

Preferably, as shown in fig. 7 and 8, the first end wall protective bracket 130 includes a locking portion 133, and the locking portion 133 is located at an end of the connecting portion 132 in the extending direction. When the plug connector 100 and the receptacle connector 200 are unlocked, a pressing force is applied to the locking portion 130 along the longitudinal direction and toward the plastic base 110.

Preferably, as shown in fig. 9 and 10, the first end wall protector 130 includes a locking portion 133, and the locking portion 133 is connected to either one of a pair of opposite sides of the connecting portion 132. In one embodiment, the locking portions 133 disposed at the two ends of the plastic base 110 are axisymmetric, that is, the locking portions 133 disposed at the two ends of the plastic base 110 are located at the same side of the central column of the plastic base 110 and are axisymmetrically distributed. In another embodiment, the locking portions 133 disposed at the two ends of the plastic base 110 are centrosymmetric, that is, the locking portions 133 disposed at the two ends of the plastic base 110 are respectively located at two sides of the central column of the plastic base 110 and are centrosymmetrically distributed.

Preferably, the locking part 133 includes a connection support plate 1331, a transition plate 1332, a locking protrusion 1333, a connection plate 1334 and a pressing plate 1335 which are sequentially disposed. The connection support plate 1331 is connected to the connection portion 132, and the locking protrusion 1333 is protruded from the transition plate 1332 and the connection plate 1334. The latching through holes 310 on the PCB 300 are provided with a boss structure 311, and when the plug connector 100 is plugged into the receptacle connector 200, the latching protrusions 1333 are located right below the latching protrusions 311, so as to prevent the plug connector 100 from being separated from the receptacle connector 200 during use, so that the plug connector 100 and the receptacle connector 200 are in a locked state. A pressure towards the connection support plate 1331 is applied to the pressing plate 1335 to drive the latch protrusions 1333 to approach the connection support plate 1331 and separate from the positions below the latch protrusions 311, so that the plug connector 100 can be pulled out, the plug connector 100 is unlocked from the socket connector 200, and the latch structure is simple and is convenient to produce and process.

As shown in fig. 4 to 10, embodiments of the present application further provide a connector assembly including any one of the plug connectors 100 described above, and further including a receptacle connector 200 fixed on a PCB 300. The receptacle connector 200 includes an insulative base 210, a second signal terminal 220 fixed to the insulative base 210, and a second end wall protection bracket 230 fixed to an end wall of the insulative base 210. The PCB 300 is provided with a locking through-hole 310 matched with the locking part 133. When the plug connector 100 is plugged into the receptacle connector 200, the first signal terminals 120 are electrically contacted with the second signal terminals 220 to transmit power and/or signals, the first end wall protection frame 130 is electrically contacted with the second end wall protection frame 230, and more specifically, the end wall protection portions 131 are electrically contacted with the second end wall protection frame 230, so that the structural strength of the plug connector 100 and the receptacle connector 200 is enhanced, the plug connector 100 and the receptacle connector 200 are worn during plugging, and the service life of the plug connector 100 and the receptacle connector 200 is prolonged. The locking portions 133 are disposed in the locking through holes 310, so that the plug connector 100 and the receptacle connector 200 are locked, and the connection stability between the plug connector 100 and the receptacle connector 200 is enhanced to adapt to various severe application environments.

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-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 invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are 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 plug connector, comprising:

the first signal terminal is fixed on the long side structure;

first end wall fender bracket, including the end wall protection part, connecting portion and the hasp portion that set gradually, end wall protection part is fixed on the plastic base, connecting portion respectively with end wall protection part with hasp portion meets and follows plug connector's length direction extends, hasp portion be used for with fixed with the cooperation of hasp through-hole on plug connector to the socket connector's of plug socket connector PCB board is in order to incite somebody to action plug connector with the socket connector locks or the unblock.

2. The plug connector of claim 1, wherein: the first end wall protection frame comprises two lock catch parts, and the lock catch parts are respectively connected with two side edges of the connecting part, which are opposite to each other.

3. The plug connector of claim 2, wherein: the two lock catch parts on the first end wall protection frame are matched with the same lock catch through hole to lock or unlock the plug connector and the socket connector.

4. The plug connector of claim 2, wherein: the two lock catch parts on the first end wall protection frame are respectively matched with the two lock catch through holes to lock or unlock the plug connector and the socket connector.

5. The plug connector of claim 1, wherein: the first end wall protection frame comprises one locking part which is positioned at the tail end of the extension direction of the connecting part.

6. The plug connector of claim 1, wherein: the first end wall protection frame comprises one lock catch part, and the lock catch part is connected with any one side edge of the pair of opposite two side edges of the connecting part.

7. The plug connector of claim 6, wherein: the locking parts arranged at the two ends of the plastic base are axisymmetric.

8. The plug connector of claim 6, wherein: the lock catch parts arranged at the two ends of the plastic base are centrosymmetric.

9. The plug connector of any one of claims 1-8, wherein: the lock catch part comprises a connecting support plate, a transition plate, a lock catch protrusion, a connecting plate and a pressing plate which are sequentially arranged, the connecting support plate is connected with the connecting part, and the lock catch protrusion is arranged on the transition plate and the connecting plate.

10. A connector assembly comprising the plug connector of any one of claims 1 to 9, and further comprising a receptacle connector secured to a PCB board, wherein:

the PCB is provided with a lock catch through hole matched with the lock catch part;