CN207265330U - Terminal uplift-resistant connectors - Google Patents

Abstract

The utility model relates to a prevent connector that terminal upwarps, include: a housing and a connector body received within the housing. The connector body includes: a base, a terminal group and a printed circuit board; the base is provided with a plug part; the plug part is provided with a terminal slot; the terminal groove is provided with a positioning lug; the terminal group includes: the signal terminals and the grounding terminals are arranged in parallel at intervals; one end of the grounding terminal is electrically connected with the printed circuit board; the other end of the grounding terminal penetrates through the base and then is inserted into the terminal groove; the grounding terminal is provided with a positioning groove for inserting the positioning lug. Above-mentioned prevent connector of terminal upwarping when ground terminal inserts in the terminal groove, utilizes the cooperation of locating convex block and positioning groove, leads ground terminal's tip to guarantee that ground terminal and connector equipment finish the back, ground terminal's tip is fixed by the locating convex block in the terminal groove, reaches the purpose that prevents ground terminal upwarping, makes the connector equipment finish the back, and the terminal is difficult to the pine and takes off, and the steadiness is strong.

Description

Terminal uplift-resistant connectors

technical field

The utility model relates to the field of electronic connectors, in particular to a connector capable of preventing terminals from upturning.

Background technique

A connector is a device that connects two active devices and is mainly used to transmit electrical signals. Among them is a type of connector, which is mainly used in the InfiniBand architecture, and the InfiniBand architecture is a conversion cable technology developed for the server side that supports multiple concurrent links. This type of connector is equipped with many signal terminals and grounding terminals arranged at intervals, and the grounding terminals are generally placed in the terminal slots of the connector body for fixing, but during assembly, the terminal slots of the connector terminals are aligned with the grounding terminals. The end has no guiding effect, so the ground terminal is easy to be inserted obliquely into the terminal groove, causing the head of the ground terminal to be upturned, so that the terminal is easy to loose after the connector is assembled, and the stability is very weak.

Utility model content

Based on this, the utility model provides a highly stable connector that prevents the terminal from warping up.

An anti-terminal upturning connector, comprising:

a housing; one end of the housing is provided with a terminal socket, and the other end of the housing is provided with a cable connection port; and

The connector body housed in the shell; the connector body includes: a base connected to the shell, a terminal group pierced on the base, and a printed circuit board connected to one end of the base; the base is away from the printed circuit board One end is provided with a socket part parallel to the printed circuit board; the socket part extends into the terminal socket; the socket part is provided with a terminal slot for accommodating the terminal group; one end of the terminal slot away from the printed circuit board is provided with a The protruding positioning bump; the terminal group includes: signal terminals and grounding terminals arranged in parallel at intervals; one end of the signal terminal is electrically connected to the printed circuit board; the other end of the signal terminal is inserted into the terminal groove after passing through the base; the grounding terminal One end is electrically connected to the printed circuit board; the other end of the grounding terminal passes through the base and is inserted into the terminal slot; the end of the grounding terminal close to the end of the terminal slot is provided with a positioning groove for the insertion of the positioning bump; the printed circuit board faces the line Cable port settings.

When the above-mentioned anti-terminal upturning connector is in use, the external cable is inserted into the casing through the cable connection port to electrically connect the printed circuit board, and the external server is electrically connected to the terminal group through the terminal socket. A positioning groove is provided at one end of the ground terminal, and a positioning projection inserted into the positioning groove is provided on the terminal groove of the connector main body. When the grounding terminal is inserted into the terminal groove, the end of the grounding terminal is guided by the cooperation of the positioning protrusion and the positioning groove, and it is ensured that the end of the grounding terminal is positioned by the positioning in the terminal groove after the grounding terminal and the connector are assembled. The bumps are fixed to prevent the grounding terminal from upturning, so that after the connector is assembled, the terminal is not easy to loosen and has strong stability.

In one embodiment, the shell includes: an upper shell and a lower shell connected to each other; the lower shell is provided with a terminal socket and a cable connection port; and the lower shell is used for accommodating the connector main body.

In one of the embodiments, the upper case and the lower case are detachably connected by screws.

In one of the embodiments, the lower casing is provided with a locking screw arranged along the length direction of the lower casing; one end of the locking screw is located on one side of the cable connection port and is provided with anti-slip stripes; the other end of the locking screw It is located on one side of the terminal socket and has external threads.

In one of the embodiments, the lower housing is provided with a cable hub; the cable hub is located between the printed circuit board and the cable connection port; and the cable hub is provided with a wire groove.

In one embodiment, the positioning bump is a T-shaped bump protruding toward the printed circuit board.

In one embodiment, the positioning groove is a U-shaped groove disposed toward the positioning protrusion.

In one embodiment, the opening of the positioning groove is provided with an outwardly expanding guiding slope.

In one embodiment, one end of the ground terminal connected to the printed circuit board is provided with an engaging groove for engaging the printed circuit board.

In one embodiment, the length of the terminal groove is greater than the length of the ground terminal.

Description of drawings

FIG. 1 is a schematic diagram of a connector for preventing terminal upturning according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of another perspective view of the connector shown in Fig. 1 to prevent terminal upturning;

Fig. 3 is a partial schematic diagram of the terminal upturn-proof connector shown in Fig. 1;

Fig. 4 is an exploded schematic view of the hub seat in the terminal upturn-proof connector shown in Fig. 3;

Fig. 5 is a schematic diagram of a connector body in the terminal upturn-proof connector shown in Fig. 3;

Fig. 6 is a cross-sectional view of the connector body shown in Fig. 5 taken along line A-A;

Fig. 7 is an enlarged schematic diagram of part B in the connector body shown in Fig. 6;

FIG. 8 is a schematic diagram of a terminal group in the connector body shown in FIG. 5;

The meanings of each label in the accompanying drawings are:

10-A connector with anti-terminal upturning;

20-shell, 21-terminal socket, 22-cable connection port, 23-upper shell, 24-lower shell, 25-screw, 26-locking screw, 27-anti-slip stripes, 28-external thread, 29 -Cable seat, 210-upper fixing seat, 211-lower fixing seat;

30-connector body, 31-base, 32-terminal group, 33-printed circuit board, 34-receptacle, 35-terminal groove, 36-positioning bump, 37-signal terminal, 38-grounding terminal, 39 -occlusal groove, 310-locating groove, 311-guiding slope.

Detailed ways

In order to be able to further understand the features, technical means and achieved specific objectives and functions of the utility model, and to analyze the advantages and spirit of the utility model, a further understanding of the utility model can be obtained through the following detailed description of the utility model in conjunction with the accompanying drawings and specific embodiments .

Referring to FIG. 1 to FIG. 8 , they are schematic diagrams of a connector 10 for preventing terminal upturning according to a preferred embodiment of the present invention.

Referring to FIG. 1 to FIG. 3 , the terminal upturn-proof connector 10 includes: a housing 20 and a connector body 30 accommodated in the housing 20 . Wherein, the connector body 30 is used for electric signal transmission, and the shell 20 is used for protecting the connector body 30 . The structure of each component is described as follows:

One end of the shell 20 is provided with a terminal socket 21 for connecting an external server, and the other end of the shell 20 is provided with a cable connection port 22 for connecting an external cable. In this embodiment, the shell 20 includes: an upper shell 23 and a lower shell 24 that are connected to each other. In this embodiment, the upper shell 23 and the lower shell 24 are detachably connected by screws 25. In other In the embodiment, the detachable connection can also be realized through the buckle structure. The lower shell 24 is provided with a terminal socket 21 and a cable connection port 22 . The lower housing 24 is used to accommodate the connector body 30 . The lower casing 24 is provided with a locking screw 26 arranged along the length direction of the lower casing 24 . One end of the locking screw 26 is located on one side of the cable connection port 22 and is provided with an anti-slip stripe 27 for manually turning the locking screw 26 . The other end of the locking screw 26 is located on one side of the terminal socket 21 and is provided with an external thread 28 connected to an external server. In order to facilitate the connection of external cables, referring to FIG. 3 and FIG. 4 , in this embodiment, the lower housing 24 is provided with a hub 29 , and the hub 29 is located between the cable connection port 22 and the connector body 30 . The wire hub 29 includes: an upper fixing base 210 and a lower fixing base 211 connected to each other, wherein, the top of the upper fixing base 210 is provided with an upper wire groove, and the bottom of the upper fixing base 210 is provided with a lower half wire groove. The top of the lower fixing base 211 is provided with an upper half wire groove matching the lower half wire groove. The upper half wire groove and the lower wire groove jointly form the lower wire groove. The upper and lower wire channels are wire channels for securing the wires in the external cables.

Referring to FIGS. 5 to 8 , the connector body 30 includes: a base 31 connected in the housing 20 , a terminal set 32 passing through the base 31 , and a printed circuit board 33 connected to one end of the base 31 . in,

An end of the base 31 away from the printed circuit board 33 is provided with a socket portion 34 parallel to the printed circuit board 33 . The socket portion 34 extends into the terminal socket 21 . The socket portion 34 defines a terminal slot 35 for accommodating the terminal set 32 . An end of the terminal groove 35 away from the printed circuit board 33 is provided with a positioning protrusion 36 protruding toward the printed circuit board 33 . In this embodiment, the positioning protrusion 36 is a T-shaped protrusion protruding toward the printed circuit board 33 .

The terminal group 32 includes: signal terminals 37 and ground terminals 38 arranged in parallel and spaced apart. One end of the signal terminal 37 is electrically connected to the printed circuit board 33 . The other end of the signal terminal 37 passes through the base 31 and is inserted into the terminal groove 35 . One end of the ground terminal 38 is electrically connected to the printed circuit board 33 . The other end of the ground terminal 38 passes through the base 31 and is inserted into the terminal groove 35 . One end of the ground terminal 38 connected to the printed circuit board 33 is provided with an engaging groove 39 engaging the printed circuit board 33 . A positioning groove 310 for inserting the positioning protrusion 36 is formed at an end of the ground terminal 38 close to the terminal groove 35 . The positioning groove 310 is a U-shaped groove disposed toward the positioning protrusion 36 . In order to facilitate the smooth insertion of the positioning protrusion 36 into the positioning groove 310 , the opening of the positioning groove 310 is further provided with an outwardly expanding guiding slope 311 . In order to reduce the probability of upturning when the terminal group 32 is inserted, in this embodiment, under the premise of ensuring that the positioning protrusion 36 is inserted into the positioning groove 310, the length of the terminal slot 35 is greater than the length of the grounding terminal 38, for example, the terminal slot The length of 35 is greater than the length of terminal group 32 by 0.5mm˜1.0mm.

The printed circuit board 33 is disposed toward the cable connection port 22 , and the cable hub 29 is located between the printed circuit board 33 and the cable port.

When the above-mentioned anti-terminal upturning connector 10 is used, an external cable is inserted into the housing 20 through the cable connection port 22 to electrically connect to the printed circuit board 33 , and an external server is electrically connected to the terminal group 32 through the terminal socket 21 . A positioning groove 310 is provided at one end of the ground terminal 38 , and a positioning protrusion 36 inserted into the positioning groove 310 is provided on the terminal groove 35 of the connector body 30 . When the ground terminal 38 is inserted into the terminal groove 35, the end of the ground terminal 38 is guided by the cooperation of the positioning protrusion 36 and the positioning groove 310, and the end of the ground terminal 38 is ensured after the ground terminal 38 and the connector are assembled. The part is fixed by the positioning projection 36 in the terminal groove 35, so as to prevent the grounding terminal 38 from upturning, so that after the connector is assembled, the terminal is not easy to loosen, and the stability is strong.

The technical features of the above embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered to be within the range described in this specification.

The above examples only express the preferred implementation of the utility model, and the description thereof is more specific and detailed, but it should not be interpreted as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. An anti-terminal upturning connector, characterized in that it includes: A shell; one end of the shell is provided with a terminal socket, and the other end of the shell is provided with a cable connection port; and The connector main body accommodated in the housing; the connector main body includes: a base connected in the housing, a terminal group pierced on the base, and a printed printed board connected to one end of the base circuit board; the end of the base away from the printed circuit board is provided with a socket parallel to the printed circuit board; the socket extends into the terminal socket; the socket is provided with The terminal slot for accommodating the terminal group; the end of the terminal slot away from the printed circuit board is provided with a positioning bump protruding toward the printed circuit board; the terminal group includes: signal terminals arranged in parallel and spaced apart; grounding terminal; one end of the signal terminal is electrically connected to the printed circuit board; the other end of the signal terminal is inserted into the terminal groove after passing through the base; one end of the grounding terminal is connected to the printed circuit board Board electrical connection; the other end of the ground terminal passes through the base and is inserted into the terminal slot; the end of the ground terminal near one end of the terminal slot is provided with a positioning position for insertion of the positioning protrusion Groove; the printed circuit board is set towards the cable connection port. 2. The connector according to claim 1, characterized in that, the housing comprises: an upper housing and a lower housing connected to each other; the lower housing is provided with the terminal socket and The cable connection port; the lower shell is used for accommodating the connector body. 3. The terminal upturn-proof connector according to claim 2, wherein the upper shell and the lower shell are detachably connected by screws. 4. The terminal upturn-proof connector according to claim 2, wherein the lower housing is provided with a locking screw arranged along the length direction of the lower housing; one end of the locking screw It is located on one side of the cable connection port and is provided with anti-slip stripes; the other end of the locking screw is located on one side of the terminal socket and is provided with external threads. 5. The terminal upturn-proof connector according to claim 2, wherein the lower housing is provided with a hub; the hub is located between the printed circuit board and the cable connection port between; the hub seat is provided with a wire slot. 6 . The terminal upturn-proof connector according to claim 1 , wherein the positioning protrusion is a T-shaped protrusion protruding toward the printed circuit board. 7 . 7 . The terminal upturn-proof connector according to claim 6 , wherein the positioning groove is a U-shaped groove disposed toward the positioning protrusion. 8 . 8 . The terminal upturn-proof connector according to claim 7 , wherein the opening of the positioning groove is provided with an outwardly expanding guiding slope. 9 . 9 . The terminal upturn-proof connector according to claim 1 , wherein the end of the ground terminal connected to the printed circuit board is provided with an engaging groove for engaging the printed circuit board. 10 . 10. The terminal upturn-proof connector according to any one of claims 1 to 9, wherein the length of the terminal groove is greater than the length of the grounding terminal.