CN204289773U - High-current socket connector, plug connector and combination thereof - Google Patents

Abstract

The utility model discloses a heavy current socket connector, plug connector and combination thereof, including socket connector and the plug connector that corresponds with it, wherein, heavy current socket connector and plug connector all include insulator, conductive terminal and shielding shell, and this conductive terminal installs on insulator, and this shielding shell cladding is outside insulator, conductive terminal is including contact site, fixing portion and welding foot portion to fall into power supply terminal and signal terminal, this power supply terminal width and cross-sectional area all are greater than signal terminal. Therefore, the cross sectional area and the width of the power terminal are larger than those of the signal terminal, the contact area of the conductive terminals is increased, the connection stability of the conductive terminals is effectively improved, meanwhile, the connector has the effect of transmitting large current under the condition that the contact area and the cross sectional area of the conductive terminals are increased, the plug connector and the socket connector are in plug-in connection in the positive and negative directions, and the phenomenon of mis-plug is prevented.

Description

High-current socket connector, plug connector and combination thereof

technical field

The utility model relates to the technology in the field of electrical connectors, in particular to a high-current socket connector, a plug connector and a combination thereof.

Background technique

With the increasing application of electronic technology, various electronic products emerge as the times require, such as mobile phones, tablet computers, PADs, mobile power supplies, etc., data transmission and charging of electronic products will all use connectors. Therefore, as a media tool, connectors are becoming more and more widely used. The existing charging connector assembly generally includes a plug connector and a socket connector. The power terminals and signal terminals in this type of connector assembly are often made to have the same width, which cannot meet the high current requirements required for charging. Moreover, the socket connector The plug interface and the contact part of the conductive terminal are in a flush state. When connecting with the plug connector, since the conductive terminal and the shielding shell are in contact with the plug connector at the same time, flashover is prone to occur, which affects charging safety and charging stability. In addition, The solder feet of the conductive terminals of the socket connector are poorly connected to the circuit board. Therefore, the existing charging connector assembly should be improved to solve the above-mentioned problems and realize the positive and negative insertion of the plug connector and the socket connector, so as to prevent the occurrence of wrong insertion.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a high-current socket connector, a plug connector and a combination thereof, by increasing the cross-sectional area of the power terminal in the socket connector and the plug connector and the width are both set to be greater than the width of the signal terminal, so as to meet the requirement of high-current charging of the charging connector combination.

In order to achieve the above object, the utility model adopts the following technical solutions:

A high-current socket connector includes an insulating body, a conductive terminal and a shielding shell. The conductive terminal is installed on the insulating body, and the shielding shell is covered outside the insulating body. The insulating body includes a base and a front end of the base. Tongue plate, which protrudes into the shielding shell to form a plug interface. The conductive terminal includes a contact part, a holding part and a solder foot part. The conductive terminal is divided into a power terminal and a signal terminal. The cross-sectional areas are all larger than the signal terminals.

As a preferred solution: the power terminals are located on both sides, and the signal terminals are located between the power terminals on both sides.

As a preferred solution: the conductive terminals are divided into two rows, the solder leg of one row of conductive terminals is SMT type, the solder leg of the other row of conductive terminals is DIP type, and the lower end of the solder leg of the row of DIP type conductive terminals Lower than or flush with the lower end of the solder leg of the SMT type conductive terminal.

As a preferred solution: the conductive terminals with DIP-type solder feet are divided into two rows, front and rear, and the two rows of conductive terminals are arranged at intervals with each other.

As a preferred solution: the conductive terminals are divided into two rows, and the solder legs of the two rows of conductive terminals are all SMT-type; or the conductive terminals are in one row, and the solder leg parts of the row of conductive terminals are SMT-type.

As a preferred solution: the contact portion of the conductive terminal is located behind the above-mentioned plug-in interface.

As a preferred solution: the contact portion of the power terminal is located in front of the contact portion of the signal terminal.

As a preferred solution: a clamping block is provided on both sides of the base, and a clamping notch is provided on both sides of the tail end of the shielding shell corresponding to the clamping block on the base, and the clamping block is clamped in the clamping notch superior.

A high-current plug connector includes an insulating body, a conductive terminal and a shielding shell. The conductive terminal is installed on the insulating body, and the shielding shell is covered outside the insulating body. The conductive terminals all include a contact part, a holding part and a shielding shell. The welding foot part is divided into a power terminal and a signal terminal, and the width and cross-sectional area of the power terminal are larger than the signal terminal; the insulating body includes a base and an insertion part arranged at the front end of the base, and a In the insertion opening, the above-mentioned conductive terminals have two rows of upper and lower rows, and the two rows of conductive terminals are respectively held on the upper and lower side walls of the insertion opening.

A combination of a high-current socket connector and a plug connector, which includes a socket connector and a corresponding plug connector,

The socket connector includes an insulating body, a conductive terminal and a shielding shell. The conductive terminal is installed on the insulating body. The shielding shell covers the insulating body, and recesses are respectively provided on both sides of the shielding shell. The conductive terminal includes It has a contact part, a holding part and a welding foot part, and is divided into a power terminal and a signal terminal. The width and cross-sectional area of the power terminal are larger than the signal terminal; the insulating body includes a base and a tongue plate arranged at the front end of the base, and the insulating body The front tongue extends into the shielding shell to form a plug-in interface;

The plug connector includes an insulating body, a conductive terminal and a shielding shell. The conductive terminal is installed on the insulating body. The convex shells corresponding to the recesses on both sides of the shell, the conductive terminal includes a contact part, a holding part and a solder foot part, and is divided into a power terminal and a signal terminal. The width and cross-sectional area of the power terminal are larger than the signal terminal; the insulating body includes The base and the insertion part arranged at the front end of the base, the above-mentioned conductive terminals are divided into two rows, and the two rows of conductive terminals are respectively held on the upper and lower side walls of the insertion opening. The corresponding power terminals in the connector and the plug connector are electrically connected to each other, and the corresponding signal terminals are electrically connected to each other.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above-mentioned technical scheme that by designing the power terminals in the socket connector and the plug connector to have a cross-sectional area and a width greater than that of the signal Terminals, this design can increase the contact area of the conductive terminals when the conductive terminals in the socket connector and the plug connector are docked with each other, thereby effectively improving the connection stability of the conductive terminals, and at the same time, increasing the contact area of the conductive terminals and itself In the case of a small cross-sectional area, the connector has the function of transmitting large current, and it can also realize the positive and negative insertion of the plug connector and the socket connector to prevent the occurrence of mis-insertion.

In order to more clearly illustrate the structural features and functions of the utility model, it will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Figure 1 is a three-dimensional schematic diagram of a socket connector of the present invention;

Figure 2 is a schematic diagram of another perspective of the socket connector of the present invention;

Fig. 3 is a schematic diagram of a socket connector with two rows of DIP-type welding feet of the present invention;

Figure 4 is a schematic diagram of the separation of the insulating body and the shielding shell of the socket connector of the present invention;

Figure 5 is a three-dimensional schematic view of the plug connector of the present invention;

Fig. 6 is a schematic diagram of another perspective of the plug connector of the present invention;

Figure 7 is a schematic diagram of the combination of the socket and the plug connector of the present invention;

Fig. 8 is a schematic diagram of the initial state of docking at A-A in Fig. 7;

Fig. 9 is a schematic diagram of completion of docking at A-A of Fig. 7;

Figure 10 is a schematic diagram of the contact state of the shielding shells of the two connectors at B-B of Figure 7;

Fig. 11 is a schematic diagram of the use state of the utility model;

Fig. 12 is a schematic diagram of two rows of SMT type socket connectors for welding feet of the present invention;

Fig. 13 is a schematic diagram of a row of SMT type socket connectors with soldering feet of the utility model.

Explanation of the accompanying drawings :

10. Socket connector 11. Insulation body

111. Base 1111. Clamping block

112. Tongue plate 12. Conductive terminal

121. Contact part 122. Holding part

123. Welding foot part 124. Power terminal

125. Signal terminal 126. SMT type solder pin

127. DIP type solder feet 13. Shielded shell

131. Concave position 132. Clamping gap

14. Plug interface 20. Plug connector

21. Insulation body 211. Base

212. Insertion part 2121. Insertion port

22. Conductive terminal 221. Contact part

222. Holding part 223. Welding foot part

224. Power terminal 225. Signal terminal

23. Shielding shell 231. Convex hull

a. Width of power terminal b. Width of signal terminal.

Detailed ways

As shown in Figures 1 to 13, the utility model is a high-current socket connector, a plug connector and a combination thereof, including a socket connector 10 and a corresponding plug connector 20, wherein:

The high-current socket connector 10 includes an insulating body 11, a conductive terminal 12 and a shielding shell 13. The conductive terminal 12 is installed on the insulating body 11. The shielding shell 13 is wrapped around the insulating body 11 and is placed on both sides of the shielding shell 13. Recesses 131 are respectively provided on the sides. The conductive terminal 12 includes a contact part 121, a holding part 122 and a solder leg part 123, and is divided into a power terminal 124 and a signal terminal 125. The cross-sectional area and width of the power terminal 124 are larger than the signal terminal. 125 (a>b), and the contact part 121 of the power terminal 124 is located in front of the contact part 121 of the signal terminal 125, so that when the socket and the plug connector are docked, the power terminal contacts first, and the signal terminal contacts until it is inserted in place; and the power terminal 124 are installed on both sides, and the signal terminals 125 are installed between the power terminals 124 on both sides; Block 1111, on both sides of the tail end of the shielding shell 13, corresponding to the clamping block 1111 on the base 111 is provided with a clamping gap 132, the tongue plate 112 at the front end of the insulating body 11 stretches into the shielding shell 13 to form an insertion port 14, the above-mentioned conductive The contact portion 121 of the terminal 12 is located behind the socket 14 , and the clamping block 1111 at the rear end of the insulating body 11 is clamped on the clamping notch 132 at the rear end of the shielding shell 13 .

In this application, the conductive terminals 12 of the receptacle connector 10 are divided into two rows, one row of conductive terminals 12 are SMT type solder pins (surface mount type) 126, and the other row of conductive terminals are DIP type solder pins (key type) 127, the row of conductive terminals 12 with DIP-type soldering legs is divided into front and rear rows, and the front and rear rows of conductive terminals 12 are arranged staggered from each other, as shown in Figure 3, and the DIP-type conductive terminals can be connected according to the specific welding method. The lower end of the solder leg portion 123 of the terminal 12 is set to be lower than or flush with the lower end of the solder leg portion 123 of the SMT type conductive terminal 12 .

The high-current plug connector 20 includes an insulating body 21, a conductive terminal 22 and a shielding shell 23. The conductive terminal 22 is mounted on the insulating body 21. Protrusions 231 corresponding to the concave positions 131 on both sides of the shielding shell 13 of the socket connector 10 are respectively provided on the sides. The conductive terminals 22 have two rows up and down, and each conductive terminal 22 includes a contact part 221 and a holding part 222. and solder leg portion 223, and divided into power terminal 224 and signal terminal 225, the cross-sectional area and width of the power terminal 224 are larger than the signal terminal 225 (a>b); the insulating body 21 includes a base 211 and is set on the base 211 The insertion portion 212 at the front end is provided with an insertion opening 2121 in the insertion portion 212 , and the above-mentioned two rows of conductive terminals 22 are respectively fixed on the upper and lower side walls of the insertion opening 2121 .

After the plug connector 20 is plugged into the receptacle connector 10, the convex shells 231 on both sides of the plug connector 20 are embedded in the concave positions 131 on both sides of the receptacle connector 10, and the power terminals 124 and signal terminals 125 in the receptacle connector 10 They are respectively electrically connected to the power terminal 224 and the signal terminal 225 in the plug connector 20 .

In addition, it should be noted that the welding feet of the two rows of conductive terminals 12 of the socket connector 10 can be SMT type, and because there are two rows of conductive terminals 22 in the corresponding plug connector 20, the socket connector 10 can also be set as A row of SMT type conductive terminals 12 .

The principle of the utility model is as follows: the cross-sectional area and width of the power terminals in the socket connector 10 and the plug connector 20 are larger than the signal terminals, and can be used for the transmission of large currents. In addition, the insertion portion 212 of the plug connector 20 has the same shape as the socket 14 of the receptacle connector 10, and conductive terminals 22 are installed on the upper and lower side walls of the insertion opening 2121 of the insertion portion 212. The receptacle connector 10 has When there is one row or two rows of conductive terminals 12, when the plug connector 20 and the receptacle connector 10 are docked, the conductive terminals 22 on the plug connector 20 can be connected to the plug interface 14 of the receptacle connector 10 regardless of whether the plug connector 20 is inserted forward or backward. The inner conductive terminals 12 are in contact, thereby preventing the plug connector 20 and the receptacle connector 10 from being misinserted; and, when the receptacle connector 10 is provided with two rows of conductive terminals 12, the plug connector 20 can only be provided with one By arranging the conductive terminals 22, the front and back insertion of the socket connector 10 and the plug connector 20 can be realized.

The key point of the design of the present invention is that by designing the power terminals in the socket connector and the plug connector to be larger in cross-sectional area and width than the signal terminals, the design can make the conductive terminals in the socket connector and the plug connector dock with each other The contact area of the conductive terminals is increased, thereby effectively improving the connection stability of the conductive terminals. At the same time, in the case of increasing the contact area of the conductive terminals and its own cross-sectional area, the connector has the effect of transmitting large currents.

Also, this connector combination offers the following benefits:

1. The concave position in the socket connector and the convex hull in the plug connector help to increase contact stability;

2. The DIP-type soldering feet of the socket connector can be directly inserted into the circuit board to increase product stability;

3. The contact part of the conductive terminal of the socket connector is located behind the socket. With this design, after docking with the plug connector, the shielding shell of the plug connector first contacts the shielding shell of the socket connector, thereby effectively preventing flashover;

4. After the socket connector and the plug connector are docked, because the plug connector has a shielding shell outside

When turning up, down, left, and right, the male seat shell protects the product, preventing flashover and product damage.

5. The upper and lower rows of conductive terminals are arranged on the plug connector, which can realize the positive and negative insertion of the plug connector and the socket connector, and prevent the occurrence of mis-insertion.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and equivalent changes made to the above embodiments according to the technical essence of the present utility model Modifications still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a big current socket connector, comprise insulating body, conducting terminal and screening can, this conducting terminal is installed on insulating body, this screening can is coated on outside insulating body, this insulating body comprises pedestal and is arranged at the hyoplastron of pedestal front end, this hyoplastron puts in screening can, form an interface, described conducting terminal includes contact site, holding parts and leg portion, it is characterized in that: described conducting terminal is divided into power supply terminal and signal terminal, this power supply terminal width and cross-sectional area are all greater than signal terminal.

2. big current socket connector according to claim 1, it is characterized in that: described power supply terminal is positioned at both sides, signal terminal is between the power supply terminal of both sides.

3. big current socket connector according to claim 1, it is characterized in that: described conducting terminal is divided into two rows, the leg portion of one row's conducting terminal is SMT type, the leg portion of another row's conducting terminal is DIP type, and the leg subordinate of this row DIP type conducting terminal holds lower than or flush in the leg subordinate end of SMT type conducting terminal.

4. big current socket connector according to claim 3, is characterized in that: described leg portion is that the conducting terminal of DIP type is divided into front two rows, and this front two rows conducting terminal is spaced setting of staggering.

5. big current socket connector according to claim 1, is characterized in that: described conducting terminal is divided into two rows, and leg portion of this two rows conducting terminal is SMT type; Or described conducting terminal is a row, the leg portion of this row's conducting terminal is SMT type.

6. big current socket connector according to claim 1, is characterized in that: the contact site of described conducting terminal is in above-mentioned interface rear.

7. big current socket connector according to claim 1, is characterized in that: described power terminal contact portions is positioned at signal terminal contact site front.

8. big current socket connector according to claim 1, it is characterized in that: described pedestal both sides are respectively arranged with a blocked block, on screening can tail end both sides respectively corresponding pedestal, blocked block is provided with one and holds breach, and this blocked block is fastened in and holds on breach.

9. a big current pin connector, comprise insulating body, conducting terminal and screening can, this conducting terminal is installed on insulating body, this screening can is coated on outside insulating body, it is characterized in that: described conducting terminal has included contact site, holding parts and leg portion, and being divided into power supply terminal and signal terminal, this power supply terminal width and cross-sectional area are all greater than signal terminal; This insulating body comprises pedestal and is arranged at the inserting part of pedestal front end, and on this inserting part, be provided with an inserting port, above-mentioned conducting terminal has two rows, and this two rows conducting terminal to be immobilizated in inserting port on top and bottom sidewall respectively.

10. a big current socket connector, pin connector combine, and it is characterized in that: include socket connector and pin connector corresponding with it,

This socket connector, comprise insulating body, conducting terminal and screening can, this conducting terminal is installed on insulating body, this screening can is coated on outside insulating body, and be respectively arranged with recess in screening can both sides, this conducting terminal includes contact site, holding parts and leg portion, and is divided into power supply terminal and signal terminal, and this power supply terminal width and cross-sectional area are all greater than signal terminal; This insulating body comprises pedestal and is arranged at the hyoplastron of pedestal front end, and insulating body front end hyoplastron puts in screening can, forms an interface;

This pin connector, comprise insulating body, conducting terminal and screening can, this conducting terminal is installed on insulating body, this screening can is coated on outside insulating body, and be respectively arranged with the convex closure corresponding with the screening can both sides recess of above-mentioned socket connector in screening can both sides, this conducting terminal includes contact site, holding parts and leg portion, and is divided into power supply terminal and signal terminal, and this power supply terminal width and cross-sectional area are all greater than signal terminal; This insulating body comprises pedestal and is arranged at the inserting part of pedestal front end, above-mentioned conducting terminal is divided into two rows, this two rows conducting terminal to be immobilizated in inserting port on top and bottom sidewall respectively, this pin connector is plugged in socket connector, power supply terminal corresponding in socket connector and pin connector is electrically connected to each other, and corresponding signal terminal is electrically connected to each other.