Electric connector

Abstract

The utility model discloses an electric connector which comprises an insulation body and a conductive welding pin, a plurality of conductive terminals are integrally formed on the conductive welding pin, the insulation body is provided with a butt joint surface and a mounting surface opposite to the butt joint surface, the butt joint surface is provided with accommodating grooves in one-to-one correspondence with the conductive terminals, and the conductive terminals are arranged in the accommodating grooves. The mounting surface is provided with a mounting hole communicated with the accommodating groove, the conductive terminal comprises a contact part and a holding part, and the conductive terminal is clamped in the mounting hole through interference fit between the holding part and the mounting hole; the insulating body is also provided with a bottom wall; the conductive welding pins are provided with welding parts which protrude out of the bottom wall and are welded with a circuit board; the mounting surface is provided with a limiting groove communicated with the mounting hole, and during assembly, the conductive welding pins are limited in the limiting groove; the conductive terminals and the conductive welding pins are integrally formed, so that the insulating body and the conductive terminals have good forward holding force, the conductive terminals are prevented from being separated from the insulating body and leaning backwards and inclining during use, and the problem of unstable electrical transmission is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, specifically relates to an electric connector. BACKGROUND

[0002] With the rapid development of electronic technology, electric connectors are widely used in electronic products, and the traditional electric connector comprises an insulating body, a plurality of conductive terminals fixed in the insulating body, and a conductive welding leg electrically connected with the conductive terminals.

[0003] The conductive terminals of the existing electric connector are generally inserted into the insulating body independently and fixedly connected with the insulating body, so that the positive holding force between the conductive terminals and the insulating body is poor, thereby when the electric connector is connected with the corresponding plug connector, if the plug connector has a large plug-in force, the conductive terminals are easy to be separated from the insulating body and to be inclined backward, thereby affecting the electrical transmission.

[0004] Therefore, it is necessary to improve the existing electric connector to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model provides an electric connector in view of the deficiency of prior art, which can improve the connection stability between the conductive terminals and the insulating body, avoid the separation of the conductive terminals from the insulating body and the inclination of the conductive terminals backward during use, and solve the problem of unstable electrical transmission.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] An electric connector is installed on a circuit board for connection with a plug connector, comprising an insulating body and a conductive welding leg, a plurality of conductive terminals are integrally formed on the conductive welding leg, the insulating body has a connection surface and a mounting surface opposite to the connection surface, the connection surface is provided with a plurality of accommodation grooves corresponding to the conductive terminals, the mounting surface is provided with a mounting hole communicating with the accommodation grooves, the conductive terminals comprise a contact part located in the accommodation groove and a holding part electrically connected with the conductive welding leg, the conductive terminals are clamped in the mounting hole through interference fit of the holding part and the mounting hole; the insulating body further has a bottom wall, the conductive welding leg has a welding part protruding from the bottom wall and welded with the circuit board; the mounting surface is provided with a limiting groove communicating with the mounting hole, during assembly, the conductive terminals are clamped in the mounting hole and extend into the accommodation groove, and the conductive welding leg is limited in the limiting groove; the conductive terminals and the conductive welding leg are integrally formed, so that the insulating body and the conductive terminals have good positive holding force, the conductive terminals are prevented from being separated from the insulating body and inclined backward during use, and the problem of unstable electrical transmission is solved.

[0008] As a preferred scheme, the welding part is provided with a step near the side wall of one end of the circuit board.

[0009] As a preferred solution, the bottom wall is provided with a clamping hook for clamping the circuit board.

[0010] As a preferred solution, the number of the clamping hooks is two, and the two clamping hooks are oppositely arranged.

[0011] As a preferred solution, the side wall of the holding portion is provided with a clamping block for preventing the clamping block from being withdrawn, and the holding portion is in interference fit with the mounting hole through the clamping block.

[0012] As a preferred solution, the accommodating groove comprises a first accommodating groove and a second accommodating groove, and the first accommodating groove and the second accommodating groove have different cross-sectional shapes.

[0013] As a preferred solution, the first accommodating groove and the second accommodating groove are spaced apart along the length direction of the insulating body.

[0014] As a preferred solution, the limiting groove comprises a first limiting groove corresponding to the first accommodating groove and a second limiting groove corresponding to the second accommodating groove, and the first limiting groove and the second limiting groove extend along the length direction of the insulating body.

[0015] As a preferred solution, the bottom wall is further provided with a positioning column.

[0016] As a preferred solution, the bottom wall is further provided with a heat dissipation and ventilation groove, and the heat dissipation and ventilation groove penetrates through any side wall of the insulating body which is adjacent to the bottom wall.

[0017] The utility model discloses have obvious advantages and beneficial effects compared with prior art, specifically,

[0018] 1. The conductive terminal and the conductive welding leg are integrally formed, which makes the insulating body and the conductive terminal have good positive holding force, avoids the conductive terminal from being separated from the insulating body and being tilted backward during use, and improves the stability of electrical transmission of the electrical connector.

[0019] 2. The conductive terminal and the conductive welding leg are integrally formed, which reduces the parts of the electrical connector and simplifies the production process of the electrical connector, thereby improving the production efficiency.

[0020] To make the structure, technical means and specific purposes and functions of the utility model clearer, the utility model will be further described in detail below by combining with the drawings and specific embodiments: BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the assembled structure schematic diagram of the embodiment front view of the utility model;

[0022] Figure 2 is the assembled structure schematic diagram of the embodiment rear view of the utility model;

[0023] Figure 3 is a disassembled structural schematic view of an embodiment of the utility model;

[0024] Figure 4 is Figure 3 is a structural enlarged schematic view of A in the middle;

[0025] Figure 5 is a sectional view of an embodiment of the utility model;

[0026] Figure 6 is a structural schematic view of the utility model electric connector installed on the circuit board.

[0027] The drawing mark explanation is as follows:

[0028] 10-insulating body;11-Butt face;111-First accommodating groove;112-Second accommodating groove;12-Installation surface;121-Installation hole;122-First limit slot;123-Second limit slot;124-First guide inclined surface;13-Bottom wall;14-Catch hook;15-Radiating and ventilating groove;16-Positioning column;

[0029] 20-Conductive terminal;21-Hold part;211-Second guide inclined surface;212-Prevent retrogression catch block;22-Contact part;23-Conductive solder leg;24-Soldering part;241-Step;25-Process hole;26-Process groove;

[0030] 30-Circuit board. Specific implementation

[0031] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the position or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation to the utility model.

[0032] In the description of the utility model, it needs to be explained that unless there is explicit provision and limitation, the terms "installation", "connection", "connect" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] As Figures 1-6The utility model discloses an electric connector, install on the circuit board 30 for with plug connector butt joint, including insulating body 10 and conductive welding leg 23, the integral molding has a plurality of conductive terminal 20 on conductive welding leg 23, the insulating body 10 has butt joint surface 11 and with the mounting surface 12 of butt joint surface 11 opposite setting, butt joint surface 11 has set up with the containing groove of conductive terminal 20 one to one correspondence, the mounting hole 121 of communicating containing groove is set up to the mounting surface 12, the conductive terminal 20 includes the contact part 22 in containing groove and the holding part 21 of electrically connected conductive welding leg 23, the conductive terminal 20 is through the holding part 21 and mounting hole 121 interference fit and is connected in mounting hole 121, the insulating body 10 still has bottom wall 13, and the conductive welding leg 23 has the welding portion 24 of protruding bottom wall 13 and circuit board 30 welding, the mounting surface 12 has set up the limiting slot of communicating mounting hole 121, when assembling, the conductive terminal 20 is connected in mounting hole 121 and extends into containing groove, and the conductive welding leg 23 is limited in limiting slot, through the integral molding of conductive terminal 20 and conductive welding leg 23, make the insulating body 10 and conductive terminal 20 have good positive holding force, avoid using conductive terminal 20 and the back leaning skew of separation insulating body 10, solve the problem of unstable electrical transmission.

[0034] The welding portion 24 is close to the step 241 of the one end side wall of circuit board 30, and the step 241 can be set to facilitate welding in the subsequent welding process, so that the conductive terminal 20 is prevented from falling down when heated by the tin furnace.

[0035] The conductive welding leg 23 is also provided with a process hole 25 and a process groove 26, and the process hole 25 and the process groove 26 can realize automatic falling of the material belt during production of the conductive welding leg 23, thereby improving production efficiency.

[0036] The bottom wall 13 is provided with a clamping hook 14 for clamping the circuit board 30, and the number of the clamping hook 14 is two, and the two clamping hooks 14 are oppositely arranged.

[0037] It should be understood that, in order to further improve the stability of the insulating body 10 installed on the circuit board 30, the number of the clamping hook 14 can be multiple.

[0038] The side wall of the holding part 21 has a card preventing block 212, and the holding part 21 is in interference fit with the mounting hole 121 through the card preventing block 212; the holding part 21 has a first guide inclined surface 124 inclined to the contact part 22; the first guide inclined surface 124 has two, and the two first guide inclined surfaces 124 have a platform surface; through the setting of the first guide inclined surface 124, the conductive terminal 20 can be inserted into the mounting hole 121, and the clamping of the card preventing block 212 and the mounting hole 121 can be more fastened.

[0039] The accommodation grooves include first accommodation grooves 111 and second accommodation grooves 112, the cross-sectional shapes of the first accommodation grooves 111 and the second accommodation grooves 112 are different, the first accommodation grooves 111 and the second accommodation grooves 112 are distributed along the length direction of the insulating body 10, the accommodation grooves are distributed in two rows, the first accommodation grooves 111 are one row, and the second accommodation grooves 112 are the other row, the number of the first accommodation grooves 111 and the second accommodation grooves 112 is four, the cross-sectional shape of the first accommodation grooves 111 is square, and the cross-sectional shape of the second accommodation grooves 112 is a square structure with chamfer, the different cross-sectional shapes of the first accommodation grooves 111 and the second accommodation grooves 112 can avoid insertion error in use and realize the effect of preventing mistakes.

[0040] The limiting grooves include first limiting grooves 122 corresponding to the first accommodation grooves 111 and second limiting grooves 123 corresponding to the second accommodation grooves 112, the first limiting grooves 122 and the second limiting grooves 123 extend along the length direction of the insulating body 10, and the first limiting grooves 122 and the second limiting grooves 123 are provided with second guide inclined surfaces 211 at the joints with the mounting face 12, and the second guide inclined surfaces 211 can facilitate and accurately install the conductive terminal 20 and the conductive welding leg 23.

[0041] The bottom wall 13 is further provided with a positioning column 16, and the positioning column 16 can accurately insert the insulating body 10 on the circuit board 30.

[0042] The bottom wall 13 is further provided with a heat dissipation ventilation groove 15, and the heat dissipation ventilation groove 15 penetrates any side wall of the insulating body 10 connected with the bottom wall 13, and the heat dissipation ventilation groove 15 can improve the heat dissipation performance of the electric connector.

[0043] The use mode of the utility model is that the conductive welding leg 23, the clamping hook 14 and the positioning column 16 are respectively aligned with the preset holes of the circuit board 30 and are inserted, the clamping hook 14 is buckled, the conductive welding leg 23 is welded on the circuit board 30, and installation is completed.

[0044] The utility model discloses through the integral moulding of conductive terminal 20 and conductive welding leg 23, makes the insulation body 10 and conductive terminal 20 have good positive retention, avoids the use of conductive terminal 20 and separates from the insulation body 10 and the back leaning skew, improves the stability of electrical transmission of electric connector, through the integral moulding of conductive terminal 20 and conductive welding leg 23, reduces the part of electric connector, simplifies the production process of electric connector simultaneously, improves production efficiency.

[0045] The above is only the preferred embodiment of the utility model, and does not limit the utility model, so any modification, equivalent replacement, improvement and the like made according to the technical actuality of the utility model to the above embodiment still belong to the range of the technical scheme of the utility model.

Claims

1. An electrical connector mounted on a circuit board for mating with a plug connector, characterized by: The application relates to an insulating body and a conductive soldering leg, the conductive soldering leg is integrally formed with a plurality of conductive terminals, the insulating body is provided with a butt joint surface and a mounting surface opposite to the butt joint surface, the butt joint surface is provided with a plurality of accommodating grooves corresponding to the conductive terminals, the mounting surface is provided with a plurality of mounting holes communicating with the accommodating grooves, the conductive terminals comprise contact portions located in the accommodating grooves and holding portions electrically connected with the conductive soldering leg, the conductive terminals are clamped in the mounting holes through the holding portions and the mounting holes, the insulating body is further provided with a bottom wall, the conductive soldering leg is provided with a soldering portion protruding from the bottom wall and welded with a circuit board. The mounting surface is provided with a plurality of limiting grooves communicating with the mounting holes, during assembly, the conductive terminals are clamped in the mounting holes and extend into the accommodating grooves, and the conductive soldering leg is limited in the limiting grooves.

2. An electrical connector as claimed in claim 1, wherein The soldering portion is provided with a step near one end side wall of the circuit board.

3. An electrical connector as claimed in claim 1, wherein The bottom wall is provided with a plurality of clamping hooks clamping the circuit board.

4. An electrical connector as claimed in claim 3, wherein The number of the clamping hooks is two, and the two clamping hooks are oppositely arranged.

5. An electrical connector as claimed in claim 1, wherein The side wall of the holding portion is provided with a plurality of anti-back-off clamping blocks, and the holding portion is in interference fit with the mounting hole through the anti-back-off clamping blocks.

6. An electrical connector as claimed in claim 1, wherein The accommodating grooves comprise first accommodating grooves and second accommodating grooves, and the first accommodating grooves and the second accommodating grooves have different cross-sectional shapes.

7. An electrical connector as claimed in claim 6, wherein The first accommodating grooves and the second accommodating grooves are spaced apart along the length direction of the insulating body.

8. An electrical connector as claimed in claim 7, wherein The limiting grooves comprise first limiting grooves corresponding to the first accommodating grooves and second limiting grooves corresponding to the second accommodating grooves, and the first limiting grooves and the second limiting grooves extend along the length direction of the insulating body.

9. An electrical connector as claimed in claim 1, wherein, The bottom wall is further provided with a plurality of positioning columns.

10. An electrical connector as claimed in claim 1, wherein The bottom wall is further provided with a plurality of heat dissipation and ventilation grooves penetrating through any side wall of the insulating body connected with the bottom wall.

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