CN204597138U - A kind of pin connector - Google Patents

Abstract

The utility model discloses a plug connector, which comprises a housing, an insulating body, buckle claws, an upper terminal module, a lower terminal module and a PCB board. On the claw arm on the two side walls, the rear end of the claw main body is provided with at least a first positioning foot and a second positioning foot, and the first positioning foot and the second positioning foot are in different planes; one end of the PCB board close to the claw is at least provided with The first notch and the second notch, the first notch and the second notch are respectively arranged on the left and right sides of the PCB board; The lower surface or the upper surface of the PCB corresponding to the second notch. The utility model has a simple structure, can realize left and right positioning of the PCB board, prevents the left and right movement of the PCB board, and ensures the welding position of the terminal welding feet on the PCB board, thereby achieving a good welding effect.

Description

a plug connector

technical field

The utility model relates to an electric connector, in particular to a plug connector.

Background technique

With the rapid development of science and technology in the electronics industry, electronic products are becoming thinner and smaller, so the size requirements for electronic components are getting smaller and smaller, and the connector industry is also the first among them. The size of the new generation of USB Type C connectors Smaller, better mechanical performance requirements, more difficult product design.

The USB Type C interface (including male and female ports) and data cables are not compatible with any existing types, but the official will design an additional transfer device to be compatible with existing devices. The biggest feature of USB Type-C is that although the size of the opening is as small as the standard Micro-B connector for Android smartphones and tablet computers, its data transmission speed is as high as 20G bit/s, or even 40G bit/s. Tyce C is suitable for both USB3.1 and other types of USB connectors.

A common plug connector includes a housing, an insulating body, a claw, an upper terminal module, a lower terminal module, and a PCB board. The upper terminal module includes an upper conductive terminal, and the lower terminal module includes a lower conductive terminal. The rear section of the terminal needs to be soldered to the PCB. In order to ensure the reliability of the product during the welding process, a carrier is required when welding the PCB board. However, the above-mentioned manufacturing method is more complicated in the manufacturing process, and the post-welding PCB manufacturing process is not fully considered, resulting in the welding of the PCB board. The process is unreliable, and the soldering position of the terminal soldering leg on the PCB cannot be guaranteed, and the soldering effect is not ideal.

Utility model content

The technical problem to be solved by the utility model is to provide a plug connector with simple structure and ideal welding effect.

In order to solve the above technical problems, the utility model provides a plug connector, including a housing, an insulating body, a claw, an upper terminal module, a lower terminal module and a PCB board, and the claw includes a claw main body and a For the claw arm used to fasten on the two side walls of the insulating body, the rear end of the claw main body is provided with at least a first positioning foot and a second positioning foot, and the first positioning foot and the second positioning foot are in different planes ; One end of the PCB board close to the claw is provided with at least a first notch and a second notch, and the first notch and the second notch are respectively set on the left and right sides of the PCB board; the first positioning foot is set on the second The upper surface of the PCB board corresponding to a notch, the second positioning foot is arranged on the lower surface of the PCB board corresponding to the second notch; or, the first positioning foot is arranged on the lower surface of the PCB board corresponding to the first notch, The second positioning foot is arranged on the upper surface of the PCB board corresponding to the second notch.

As an improvement of the above solution, the height difference between the first positioning foot and the second positioning foot is equal to the thickness of the PCB board.

As an improvement of the above solution, the distance between the first positioning foot and the second positioning foot is equal to the distance between the first notch and the second notch.

As an improvement of the above solution, the length of the first positioning foot of the buckle claw is greater than the length of the first notch of the PCB board, and the length of the second positioning foot of the buckle claw is greater than the length of the second notch of the PCB board. length

As an improvement of the above solution, the width of the first positioning foot of the buckle claw is less than or equal to the width of the first notch of the PCB board, and the width of the second positioning foot of the buckle claw is less than or equal to the width of the PCB board. The width of the second gap.

As an improvement of the above solution, the number of positioning feet of the claw is the same as the number of notches of the PCB board.

As an improvement of the above solution, the upper terminal module includes an upper insulating carrier and an upper row of conductive terminals integrally formed with the upper insulating carrier, and the lower terminal module includes a lower insulating carrier and a lower row of conductive terminals integrally formed with the lower insulating carrier. terminals.

As an improvement to the above solution, each conductive terminal in the upper row of conductive terminals at least includes an upper contact portion protruding downward into the insulating body and an upper mounting portion extending backward beyond the insulating body, and the upper contact portion is used for In order to connect with the conductive terminals of the socket connector, the upper installation part is welded to the PCB board.

As an improvement to the above solution, each conductive terminal in the lower row of conductive terminals at least includes a lower contact portion that protrudes upward into the insulating body and a lower mounting portion that extends backward beyond the insulating body, and the lower contact portion is used for It is connected with the conductive terminal of the socket connector, and the lower installation part is welded to the PCB board.

As an improvement to the above solution, the front end of the insulating body has an elliptical docking port, and the docking port is used for insertion and mating with a docking connector.

Implementing the utility model has the following beneficial effects:

The utility model comprises a housing, an insulating body, a claw, an upper terminal module, a lower terminal module and a PCB board, wherein the claw is at least provided with a first positioning foot and a second positioning foot, the first positioning foot, the second The positioning feet are in different planes; at least one end of the PCB board close to the buckle claw is provided with a first notch and a second notch, and the first notch and the second notch are respectively arranged on the left and right sides of the PCB board. The utility model has a simple structure. Compared with the prior art, only positioning pins and gaps are added. By setting the first positioning pins on the upper or lower surface of the PCB board corresponding to the first gap, the second positioning pins are set on the second The lower surface or upper surface of the PCB board corresponding to the notch realizes the left and right positioning of the PCB board, prevents the PCB board from moving left and right, and ensures the soldering position of the terminal soldering foot on the PCB board, so as to achieve a good welding effect.

Secondly, the height difference between the first positioning foot and the second positioning foot is equal to the thickness of the PCB board, the distance between the first positioning foot and the second positioning foot is equal to the distance between the first gap and the second gap, and the buckle claw The length of the positioning foot is greater than the length of the gap of the PCB board, and the width of the positioning foot of the claw is less than or equal to the width of the gap of the PCB board. Under the joint action of the above technical features, the positioning effect of the PCB board can be more effectively guaranteed. In this way, the soldering position of the terminal soldering foot on the PCB board is ensured, and a good soldering effect is achieved.

Description of drawings

Fig. 1 is a three-dimensional combination diagram of a plug connector of the present invention;

Fig. 2 is a three-dimensional combined view of the plug connector shown in Fig. 1 from another perspective;

Fig. 3 is a three-dimensional exploded view of the plug connector shown in Fig. 1;

Fig. 4 is a schematic structural view of the claw shown in Fig. 3;

Fig. 5 is a structural schematic diagram of the PCB board shown in Fig. 3;

Fig. 6 is a schematic diagram of the combined structure of the claw and the PCB board shown in Fig. 3;

Fig. 7 is a schematic diagram of another perspective of the combined structure of the claw and the PCB board shown in Fig. 6;

Fig. 8 is a side view of the combined structure of the claw and the PCB board shown in Fig. 6;

Fig. 9 is a schematic diagram of the combined structure after the claw and the PCB board are assembled to the insulating body.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in FIGS. 1 and 2 , a plug connector 100 of the present invention includes a housing 1 , an insulating body 2 , claws 3 , an upper terminal module 4 , a lower terminal module 5 and a PCB board 6 . Among them, PCB (Printed circuit board, printed circuit board) is the provider of electrical connection of electronic components. Preferably, the front end of the insulating body 2 has an oval docking port, and the docking port is used for insertion and mating with a docking connector.

As shown in FIGS. 2 and 3 , the upper terminal module 4 includes an upper insulating carrier 41 and an upper row of conductive terminals 42 integrally formed with the upper insulating carrier. Each conductive terminal in the upper row of conductive terminals 42 at least includes an upper contact portion 421 protruding downward into the insulating body and an upper mounting portion 422 extending backward beyond the insulating body, and the upper contact portion 421 is used for contacting with the insulating body. The conductive terminals of the socket connector are connected to each other, and the upper mounting portion 422 is welded to the PCB 6 .

The lower terminal module 5 includes a lower insulating carrier 51 and a lower row of conductive terminals 52 integrally formed with the lower insulating carrier. Each conductive terminal in the lower row of conductive terminals 52 includes at least a lower contact portion 521 protruding upward into the insulating body and a lower mounting portion 522 extending backward beyond the insulating body. The lower contact portion 521 is used for connecting with the socket The conductive terminals of the connectors are connected to each other, and the lower mounting portion 522 is welded to the PCB 6 .

The PCB board 6 is arranged between the upper row of conductive terminals 42 and the lower row of conductive terminals 52, and adopts surface welding (SMT board bonding), which can improve welding efficiency.

In order to ensure that the utility model plug connector has an ideal welding effect, as shown in Figure 4, the claw 3 includes a claw main body 31 and a pair of claw arms 32 for fastening on the two side walls of the insulating body 2, At least a first positioning foot 33 and a second positioning foot 34 are provided at the rear end of the clasp main body 31 , the first positioning foot 33 and the second positioning foot 34 are on different planes, and there is a height difference between the different planes. As shown in FIG. 5 , at least one end of the PCB 6 close to the claw 3 is provided with a first notch 61 and a second notch 62 , and the first notch 61 and the second notch 62 are respectively arranged on the left and right sides of the PCB 6 . sides.

Specifically, the first positioning foot 33 and the second positioning foot 34 both include an arc surface and a plane, the plane is connected with the clasp main body 31 through the arc surface, and the plane is used to be arranged on the surface of the PCB 6 .

The rear end of the claw main body 31 is provided with at least two positioning pins, and the end of the PCB 6 near the claw 3 is provided with at least two gaps. However, the number of positioning pins of the claw 3 needs to be equal to that of the PCB. The number of gaps in the board 6 is the same, so as to realize the cooperation between the positioning feet of the claw 3 and the gaps in the PCB board 6 to achieve the function of positioning the PCB board 6 .

In the present embodiment shown in Figures 4-5, the rear end of the claw main body 31 is provided with two positioning feet, that is, the first positioning foot 33 and the second positioning foot 34, and the PCB board 6 is close to the claw. One end of 3 is provided with two notches, namely a first notch 61 and a second notch 62 . However, the utility model can also have other embodiments. For example, the rear end of the claw main body 31 is provided with three positioning feet, and the end of the PCB board 6 close to the claw 3 is provided with three gaps. Four positioning feet are provided at the rear end of the claw main body 31 , and four notches are provided at the end of the PCB 6 close to the claw 3 , but it is not limited thereto.

As shown in Figures 6, 7, 8, and 9, the first positioning foot 33 of the buckle claw 3 is arranged on the upper surface of the PCB board 6 corresponding to the first gap 61, and the second positioning foot 34 of the buckle claw 3 is set The lower surface of the PCB board 6 corresponding to the second notch 62 . The utility model has a simple structure. Compared with the prior art, only positioning feet 33, 34 and gaps 61, 62 are added, and the positioning feet 33, 34 and the gaps 61, 62 cooperate with each other to form a clamping mechanism. By setting the first positioning pin 33 on the upper surface of the PCB board 6 corresponding to the first notch 61, and the second positioning pin 34 on the lower surface of the PCB board 6 corresponding to the second notch 62, the left and right positioning of the PCB board 6 is realized. , prevent the PCB board 6 from moving left and right, and ensure the soldering position of the terminal soldering foot on the PCB board 6, thereby achieving a good soldering effect.

It should be noted that the first positioning pin 33 and the second positioning pin 34 can also be arranged on the PCB board 6 in other ways, which are not limited to the embodiments of the present utility model, for example, the first positioning pin of the claw 3 A positioning foot 33 is provided on the lower surface of the PCB 6 corresponding to the first notch 61 , and the second positioning foot 34 of the claw 3 is provided on the upper surface of the PCB 6 corresponding to the second notch 62 .

Preferably, the height difference between the first positioning pin 33 and the second positioning pin 34 is equal to the thickness of the PCB board 6, which can ensure that the PCB board 6 can just be stuck between the first positioning pin 33 and the second positioning pin 34 in the middle to ensure the positioning effect. Specifically, in this embodiment, the height difference between the first positioning foot 33 and the second positioning foot 34 refers to the height difference between the lower surface of the first positioning foot 33 and the upper surface of the second positioning foot 34 altitude difference.

Preferably, the distance between the first positioning pin 33 and the second positioning pin 34 is equal to the distance between the first notch 61 and the second notch 62, ensuring that the first positioning pin 33 and the second positioning pin 34 are on the PCB board. 6 plays the role of left and right positioning.

Preferably, the length of the first positioning foot 33 of the claw 3 is greater than the length of the first notch 61 of the PCB 6 , and the length of the second positioning foot 34 of the claw 3 is greater than that of the PCB 6 . The length of the second notch 62 can ensure that the first positioning foot 33 and the second positioning foot 34 have a good clamping effect on the PCB board 6 .

Preferably, the width of the first positioning foot 33 of the claw 3 is less than or equal to the width of the first notch 61 of the PCB board 6, and the width of the second positioning foot 34 of the claw 3 is less than or equal to the width of the first gap 61 of the PCB board 6. The width of the second notch 62 of the PCB board 6, under the premise that the first positioning pin 33 and the second positioning pin 34 can play a left and right positioning effect on the PCB board 6, saves materials, and makes the buckle claw 3 and the PCB board 6 The assembly between is easy.

The height difference between the first positioning pin 33 and the second positioning pin 34 is comprehensively limited, and the length and width relationship between the first positioning pin 33, the second positioning pin 34 and the first gap 61 and the second gap 62 can be The positioning effect of the PCB board 6 can be ensured more effectively, so as to ensure the soldering position of the terminal solder feet (ie, the upper mounting part 422 and the lower mounting part 522 ) on the PCB board 6 , and achieve a good soldering effect.

To sum up, the utility model has a simple structure and a simple manufacturing process. It can also realize the left and right positioning of the PCB board, prevent the left and right movement of the PCB board, and ensure the welding position of the terminal soldering foot on the PCB board, thereby achieving good welding Effect.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (10)

1. a pin connector, comprise housing, insulating body, button pawl, upper terminal module, lower terminal module and pcb board, it is characterized in that, described button pawl comprise button pawl main body and a pair for being fastened on the pawl arm on insulating body two side, described button pawl body rear is at least provided with the first angle and the second angle, and described first angle, the second angle are in Different Plane;

At least be provided with the first breach and the second breach near one end of button pawl in described pcb board, described first breach, the second breach are located at the left and right sides of pcb board respectively;

Described first angle is located at the upper surface of pcb board corresponding to the first breach, and described second angle is located at the lower surface of pcb board corresponding to the second breach; Or described first angle is located at the lower surface of pcb board corresponding to the first breach, described second angle is located at the upper surface of pcb board corresponding to the second breach.

2. pin connector as claimed in claim 1, it is characterized in that, the difference in height between described first angle and the second angle equals the thickness of described pcb board.

3. pin connector as described in claim 1 or 2, is characterized in that, the distance between described first angle and the second angle equals the distance between the first breach and the second breach.

4. pin connector as claimed in claim 1 or 2, it is characterized in that, the length of the first angle of described button pawl is greater than the length of the first breach of described pcb board, and the length of the second angle of described button pawl is greater than the length of the second breach of described pcb board.

5. pin connector as claimed in claim 1 or 2, it is characterized in that, the width of the first angle of described button pawl is less than or equal to the width of the first breach of described pcb board, and the width of the second angle of described button pawl is less than or equal to the width of the second breach of described pcb board.

6. pin connector as claimed in claim 1 or 2, it is characterized in that, the quantity of the angle of described button pawl is identical with the quantity of the breach of described pcb board.

7. pin connector as claimed in claim 1, it is characterized in that, described upper terminal module comprises insulating carrier and upper row conducting terminal integrated with upper insulating carrier, and described lower terminal module comprises lower insulating carrier and lower row conducting terminal integrated with lower insulating carrier.

8. pin connector as claimed in claim 7, it is characterized in that, each conducting terminal in described upper row's conducting terminal at least comprises the upper contact site that protrudes out in insulating body downwards and extends back and exceeds the upper installation portion of insulating body, described upper contact site is used for connecting with the conducting terminal of socket connector, and described upper installation portion is soldered to pcb board.

9. pin connector as claimed in claim 7, it is characterized in that, each conducting terminal in described lower row's conducting terminal at least comprise convex extend the lower contact site in insulating body and extend back exceed the lower installation portion of insulating body, described lower contact site is used for connecting with the conducting terminal of socket connector, and described lower installation portion is soldered to pcb board.

10. pin connector as claimed in claim 1, is characterized in that, the front end of described insulating body has oval craft port, and described craft port is used for coordinating with the insertion of butt connector.