CN201402869Y - electrical connector - Google Patents

Abstract

An electrical connector, comprising: a plastic shell; the rear section of the printed circuit board is covered by the plastic shell, the front section of the printed circuit board is exposed out of the plastic shell, the printed circuit board is provided with a plurality of circuits and a plurality of grooves which are arranged at intervals and are arranged from front to back, and first contact points which are arranged at intervals are arranged at the front section of one surface of the printed circuit board at one end of the circuits; the row of connecting terminals are arranged in the plastic shell and are provided with a contact part, an extension part and a pin from front to back, and the contact part extends out of the plastic shell, protrudes out of one surface of the printed circuit board and can be bounced in the groove; the printed circuit board is provided with a row of first contacts at the front section and is matched with a row of connecting terminals capable of bouncing, so that the manufacturing simplicity can be achieved.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector plugged with an electric connection socket.

【Background technique】

The most popular signal transmission specification for computer settings today is the Universal Serial Bus (USB for short). Connector sockets and transmission lines made of this specification can make peripheral devices connected to the computer, such as mice and keyboards, real-time Measured by computer and used immediately.

The previous USB was 2.0 specification, and the USB2.0 connector only had a row of 4 non-moving contacts, and its transmission speed was slow. In order to shorten the transmission time, the current USB connector has been developed to the 3.0 specification, and the connection interface of the USB3.0 connector Compared with the USB2.0 connector, there is one more row of bouncing contacts, so the transmission speed is faster. The contacts of the second row of terminals of the USB3.0 connector are staggered forward and backward in the direction of terminal extension, but there are some overlaps in the direction of terminal arrangement. , so the setting of the second row of terminals is not easy, and it is inconvenient to manufacture.

【Content of utility model】

It can be conveniently set up by using a printed circuit board combined with a row of non-spring terminals and a row of spring terminals.

The main purpose of the utility model is to provide an electrical connector, which utilizes a printed circuit board combined with a row of non-elastic terminals and a row of elastic terminals to achieve the convenience of manufacture.

In order to achieve the above purpose, the electric connector of the present utility model includes: a plastic shell; a printed circuit board, the rear section is covered by the plastic shell and the front section is exposed outside the plastic shell, and it is provided with a plurality of circuits and a plurality of grooves arranged at intervals from front to back, one end of the plurality of circuits is provided with first contacts arranged at intervals on the front section of the printed circuit board; and a row of connecting terminals arranged in the plastic shell It is provided with a contact part, an extension part and a pin from front to back, the contact part protrudes from the plastic shell and protrudes from one side of the printed circuit board and can bounce in the groove.

By virtue of the fact that the printed circuit board is provided with a row of first contacts in the front section and a row of connecting terminals that can bounce, the setting of the row of connecting terminals is very easy, because there is no second row of terminals to grab space, so it can achieve Ease of manufacture.

The above and other objectives, advantages and features of the present invention can be more clearly understood from the following detailed description of the preferred embodiments and with reference to the drawings.

【Description of drawings】

Fig. 1 is a three-dimensional exploded view of the first embodiment of the utility model.

Fig. 2 is a three-dimensional exploded view of the first embodiment of the utility model.

Fig. 3 is a three-dimensional exploded view of the first embodiment of the present invention.

Fig. 4 is a three-dimensional combined view of the first embodiment of the utility model.

Fig. 5 is a three-dimensional exploded view of the second embodiment of the utility model.

Fig. 6 is a three-dimensional assembled view of the second embodiment of the utility model.

Fig. 7 is a three-dimensional exploded view of the third embodiment of the present invention.

Fig. 8 is a three-dimensional assembled view of the third embodiment of the present invention.

Plastic shell 30 Upper shell 31 Lower shell 32 Square opening 33

Tube body 34 Card slot 35 Fixing seat 40 Socket hole 41

Terminal slot 42 Block 43 Accepting part 45

printed circuit board 50 circuit 51 groove 52 first contact 53

Second contact 54 convex part 55 memory 57 contact 58

Connecting terminal 60 Contact part 61 Extension part 62 Fixed part 63

Pin 64 The front casing 70 Fixing hole 71 Carding hole 72

Card 73 Space 74 Wire 75

【Detailed ways】

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, which are the first embodiment of the present utility model, which is a USB3. Circuit board 50, a row of connection terminals 60, a front casing 70 and nine wires 75, wherein:

The plastic casing 30 is formed by covering an upper casing 31 and a lower casing 32. The front end of the plastic casing 30 is provided with a square opening 33 and the rear end forms a tube body 34. The inner edge of the square opening 33 is provided with a Card slot 35.

The fixing seat 40 is positioned at the front end of the plastic housing 30, and its top surface protrudes forward from the bottom surface. It is provided with a socket hole 41, and a plurality of terminal grooves 42 arranged at intervals are arranged above the socket hole 41. A locking block 43 is respectively arranged on the upper and lower sides of the rear end of the fixing base 40 .

The rear section of the printed circuit board 50 is covered by the plastic casing 30 and the front section is exposed outside the plastic casing 30. There are four circuits 51 and five grooves 52 arranged at intervals and from front to back on the top of the printed circuit board 50. The four circuits The front end of 51 is provided with first contact 53 arranged at intervals on the front section of the printed circuit board, and the rear end of the four circuits 51 is provided with second contacts 54 arranged at intervals on the rear section above the printed circuit board, and the groove 52 is For penetrating through the hollow groove of the board body, protrusions 55 are provided on both sides of the rear end of the printed circuit board 50 .

There are five connecting terminals 60 in the row, which are fixed bases 40 arranged in the plastic housing 30, and are provided with a contact portion 61, an extension portion 62, a fixing portion 63 and a pin 64 from front to back. , the fixing portion 63 is wider than the extending portion 62, so as to engage with the terminal slot 42 of the fixing base, the contact portion 61 protrudes from the plastic housing 30 and protrudes from the printed circuit board 50 and can be placed in the groove 52 Spring, the contact portion 61 is located behind the first contact 53 .

The front cover shell 70 is made of metal, and its upper and lower rear ends are each provided with a fixing hole 71, and its upper middle is provided with two card holes 72, and its front end sides are respectively provided with a card 73 protruding outward. The shell 70 fits on the fixing seat 40, the fixing hole 71 is locked with the block 43, the front casing 70 wraps the front section of the printed circuit board 50 inside and forms a space 74 inside, and the locking hole 72 is used to communicate with the An electrical connection socket buckle.

The nine wires 75 are respectively soldered to the second contact 54 of a circuit 51 or the pin 64 of a connecting terminal 60 .

For assembly, please refer to FIG. 2 , first pass the printed circuit board 50 through the socket hole 41 of the fixing base 40 and then lock it with the protrusion 55 , and then assemble and fix the row of connecting terminals 60 on the terminals. Groove 42, then solder nine wires 75 to the second contact point 54 of a circuit 51 or the pin 64 of a connection terminal 60; please refer to FIG. The fixing hole 71 is locked with the block 43, and then the fixing seat 40 is placed on the front end of the lower housing 32, the card 73 is locked in the slot 35, and finally the upper housing 31 is covered and thermally fused, as shown in Figure 4 Show.

From the above description, it can be seen that the present invention provides a row of first contacts 53 on the front section of the printed circuit board 50, and cooperates with a row of connecting terminals 60 that can bounce, so that the setting of the row of connecting terminals 60 is very easy. , because there is no second row of terminals to grab space, it can achieve simplicity in manufacturing.

Please refer to Fig. 5 and Fig. 6, it is the second embodiment of the present utility model, it is the USB3. Long, its rear section is provided with a memory 57 and a row of five contacts 58 in total, each of the five contacts 58 is electrically connected to an output contact of the memory 57, and the four circuits 51 are electrically connected to one end of the first contact respectively. An output contact of the memory 57 , the pins 64 of the row of connection terminals 60 are respectively connected to a contact 58 .

Please refer to Fig. 7 and Fig. 8, it is the third embodiment of the present utility model, and it is a USB3. The casing, and the fixing seat 40 is integrally formed on the front section of the lower casing 32, and the fixing seat 40 extends forward with a receiving portion 45, and the printed circuit board 50 passes through the socket hole 41 of the fixing seat 40. , the front section of the printed circuit board 50 is received by the receiving portion 45 .

The specific embodiments proposed in the detailed description of the preferred embodiments are only for the ease of explaining the technical content of the present utility model, and are not limited to the present utility model in a narrow sense. The situation of following scope of application for a patent can be implemented in various changes.

Claims (10)

1. An electrical connector, characterized in that: comprising: a plastic shell; A printed circuit board, the rear section of which is covered by the plastic casing and the front section is exposed outside the plastic casing. The printed circuit board is provided with a plurality of circuits and a plurality of grooves arranged at intervals from front to back. The plurality of circuits one end of which is provided with spaced first contacts on a front section of the printed circuit board; and A row of connection terminals arranged in the plastic housing, the connection terminals are provided with a contact portion, an extension portion, and a pin from front to back, the contact portion protrudes from the plastic housing and protrudes from the printed circuit The board is on one side and can bounce in the groove. 2. The electrical connector according to claim 1, characterized in that: the front end of the plastic housing is positioned with a fixing seat, the fixing seat is provided with a socket hole, and a plurality of terminals arranged at intervals are arranged above the socket hole slot, the printed circuit board is positioned through the socket hole, and the connecting terminal is arranged in the terminal slot. 3 . The electrical connector according to claim 2 , wherein a front casing is positioned on the fixing seat, and the front casing covers the front section of the printed circuit board and forms a space inside. 4 . 4 . The electrical connector as claimed in claim 3 , wherein the front casing is provided with a locking hole, and the locking hole is used for locking with an electrical connection socket. 5 . 5. The electrical connector as claimed in claim 3, wherein the front shell is made of metal. 6. The electrical connector as claimed in claim 2, wherein the fixing seat is integrally formed with the plastic shell. 7. The electrical connector as claimed in claim 1, wherein the groove of the printed circuit board is a hollow groove penetrating through the board body. 8. The electrical connector as claimed in claim 1, wherein the other ends of the plurality of circuits and the pins of the row of connecting terminals are respectively connected to an electric wire. 9. The electrical connector as claimed in claim 1, wherein the other ends of the plurality of circuits and the pins of the row of connecting terminals are respectively connected to an output contact of a memory. 10. The electrical connector according to claim 1, characterized in that: the electrical connector is a USB3.0 connector, the printed circuit board has four circuits and five grooves, and the row of connecting terminals has five One, the contact portion of the connection terminal is located behind the first contact.

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