CN201956545U - Electrical connectors and connector combinations - Google Patents

Abstract

The utility model discloses an electric connector and connector combination, including an electric connector and a circuit board, seted up several welding hole on this circuit board, this electric connector includes an insulator, several terminal, a main shield shell and a shielding lid shell. The insulating body is provided with a base part and a tongue part, and the tongue part is provided with a plurality of terminal grooves; the terminal is arranged in the terminal groove and is provided with a welding part; the main shielding shell is provided with a shell base part, a connecting part and a shell extending part, and the connecting part is provided with a clamping sheet; the shielding cover shell covers the main shielding shell and forms an accommodating space with the main shielding shell in an enclosing way; the welding part is inserted in the welding hole and welded on the circuit board, the circuit board is completely contained in the containing space, and the clamping pieces are clamped at two sides of one end of the circuit board. The utility model can better prevent electromagnetic interference; and the electric connector and the circuit board are accurately positioned and stably connected.

Description

Electrical connectors and connector combinations

technical field

The utility model relates to a connector technology, in particular to an electric connector and a connector combination.

Background technique

As shown in FIG. 1, a connector assembly includes an electrical connector 100' and a circuit board 200', and the electrical connector 100' includes an insulating body 10', several terminals 20' and a housing 30'.

However, the electrical connector 100' of the above-mentioned connector combination is positioned and connected to one end of the circuit board 200' only through one end, the positioning is not accurate, and the connection is unstable; moreover, the circuit board 200' is susceptible to external electromagnetic interference.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art above, to provide an electrical connector that can protect the circuit board from external electromagnetic interference, and can be accurately positioned and connected to the circuit board; The circuit board is protected from external electromagnetic interference, and the electrical connector is combined with the circuit board's accurate positioning and stable connection.

In order to achieve the above object, the utility model provides an electrical connector, which is connected to a circuit board, and several welding holes are opened on the circuit board. The electrical connector includes an insulating body, several terminals, a main shielding shell, and a shielding cover. The insulating body has a base and a tongue protruding forward from the front end of the base. The tongue is provided with several terminal grooves extending to the base; several terminals are respectively arranged in a terminal groove of the insulating body. It has a welding part; the main shielding shell has a rectangular cylindrical shell base, a connecting part extending backward from the bottom wall and two side walls of the shell base, and a connecting part extending backward from the bottom wall of the connecting part and extending to both sides. The shell extension part is formed by extending sideways and extending upwards on both sides, and a card position piece formed by bending outwards and extending upwards is respectively provided on both sides of the connecting part; the shielding cover is closed on the main shielding shell, and the shielding cover The shell and the main shielding shell form an accommodating space; wherein, the welding part of the terminal is inserted into the welding hole and welded to the circuit board, the circuit board is completely accommodated in the accommodating space, and the card position piece is stuck on the circuit board on both sides of one end.

A connector assembly provided by the utility model includes an electrical connector and a circuit board, the circuit board is provided with several welding holes, the electrical connector includes an insulating body, several terminals, a main shielding shell and a shielding case. The insulating body has a base and a tongue protruding forward from the front end of the base. The tongue is provided with several terminal grooves extending to the base; several terminals are respectively arranged in a terminal groove of the insulating body. It has a welding part; the main shielding shell has a rectangular cylindrical shell base, a connecting part extending backward from the bottom wall and two side walls of the shell base, and a connecting part extending backward from the bottom wall of the connecting part and extending to both sides. The shell extension part is formed by extending sideways and extending upwards on both sides, and a card position piece formed by bending outwards and extending upwards is respectively provided on both sides of the connecting part; the shielding cover is closed on the main shielding shell, and the shielding cover The shell and the main shielding shell form an accommodating space; wherein, the welding part of the terminal is inserted into the welding hole and welded to the circuit board, the circuit board is completely accommodated in the accommodating space, and the card position piece is stuck on the circuit board on both sides of one end.

As mentioned above, the electrical connector and the connector combination of the utility model are inserted into the welding hole through the welding part of the terminal and welded to the circuit board. Both sides of one end can better prevent electromagnetic interference; and the electrical connector and the circuit board are positioned accurately and connected firmly.

Description of drawings

FIG. 1 is a perspective view of a conventional electrical connector.

Fig. 2 is a perspective view of an embodiment of the electrical connector of the present invention.

FIG. 3 is an exploded perspective view of the electrical connector and the circuit board shown in FIG. 2 .

The reference signs of each component in the figure are explained as follows:

[Background technique]

Electrical Connector 100’ Insulation Body 10’

Terminal 20’ Housing 30’

Circuit board 200’

[this utility model]

Electrical connector 100 insulation body 10

base 11 bump 111

Tongue body 12 terminal slot 13

Terminal 20 Welding part 21

Main Shield Shell 30 Shell Base 31

Connecting part 32 card holder 321

Housing Extension 33 Base 331

Side wall 332 Plug-in space 34

Positioning block 35 Positioning column 351

Card hole 36 Shielding cover 40

Substrate 41 Auxiliary board 42

Limiting slot 421 Side plate 43

Slotted 431 Elastic card 432

Extension plate 44 Buckle slot 441

Hook plate 45 Accommodating space 50

Circuit board 200 Protrusion 201

Welding hole 202 Positioning hole 203

Avoidance groove 204

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 2 and Fig. 3, the utility model connector combination comprises an electrical connector 100 and a circuit board 200, and this electrical connector 100 has an insulating body 10, several terminals 20, a main shielding shell 30 and a Shielding cover shell 40 .

Please continue to refer to Figures 2 and 3, the insulating body 10 has a base 11 and a tongue 12 protruding forward from the front end of the base 11, the upper surface of the base 11 is provided with two protrusions 111, the tongue The portion 12 defines a plurality of terminal slots 13 arranged horizontally and extending to the base portion 11 .

The plurality of terminals 20 are disposed in the plurality of terminal grooves 13 of the insulating body 10 , and the terminal 20 has a welding portion 21 protruding from the terminal groove 13 .

The main shielding shell 30 has a rectangular cylindrical shell base 31, a connecting portion 32 extending backward from the bottom wall and two side walls of the shell base 31, and a connecting portion 32 extending backward from the bottom wall of the connecting portion 32 and The housing extension 33 is formed by extending to both sides and extending upwards from both sides. The housing base 31 covers the insulating body 10 and forms an insertion space 34 with the tongue 12 of the insulating body 10 The two sides of the connecting part 32 are respectively provided with a locking piece 321 formed by bending outwards and extending upwards; the housing extension 33 includes a base 331 and side walls 332 formed by bending and extending upwards from both sides of the base 331, The rear ends of the two side walls 332 are respectively provided with a positioning block 35 formed by bending inwardly and extending upwardly, and the middle part of the positioning block 35 extends upwardly to form a positioning column 351 .

The shielding cover 40 is closed on the main shielding case 30, and the shielding cover 40 and the main shielding case 30 enclose an accommodating space 50. The shielding cover 40 has a plate-shaped substrate 41, a slave substrate An auxiliary plate 42 extending forward from the front end of the base plate 41 and two side plates 43 bent downward from both sides of the base plate 41 are formed. The front end of the auxiliary plate 42 is provided with a limit groove 421 corresponding to the protrusion 111, and the two sides of the auxiliary plate 42 are bent downwards and extended to form an extension plate 44 respectively. The extension plate 44 is provided with a buckle groove 441, and the two side plates 43 Several slots 431 are opened on the top, and the lower edges of the slots 431 are respectively bent and extended inwardly to form an elastic card 432 , and the front and rear ends of the side plates 43 are bent inwardly to form hooking plates 45 .

The circuit board 200 is completely accommodated in the accommodating space 50. The circuit board 200 has a protruding portion 201 protruding toward one end. The protruding portion 201 is provided with several welding holes 202. The two sides of the other end of the circuit board 200 are respectively A positioning hole 203 is defined, and a plurality of escape grooves 204 are respectively defined on both sides of the circuit board 200 .

When the electrical connector 100 and the circuit board 200 of the present utility model are assembled into a connector combination, the terminal 20 is fixed on the formed insulating body 10 by means of insert molding, and the main shielding shell 30 is covered on the outside of the insulating body 10; the terminal The welding part 21 of 20 is inserted into the welding hole 202 and welded on the circuit board 200; the card position piece 321 of the main shielding shell 30 is stuck on both sides of the protruding part 201 of the circuit board 200, and the circuit board 200 is restricted from swinging left and right , the positioning block 35 of the main shielding shell 30 abuts against the lower surface of the circuit board 200, and the positioning column 351 is inserted into the positioning hole 203 of the circuit board 200; then, the shielding cover shell 40 is closed on the main shielding shell 30, the bump 111 of the insulating body 10 is placed in the limiting groove 421, the locking piece 321 of the main shielding shell 30 is stuck in the buckling groove 441 of the shielding cover 40, and the elastic card 432 of the shielding cover 40 is facing The inside is engaged in the clamping hole 36 of the main shielding shell 30 and passes through the escape groove 204 of the circuit board 200 against the upper edge of the side wall 322 , and the hooking plate 45 of the shielding cover 40 is hooked on the main shielding shell 30 The front and rear ends of the housing extension 32.

To sum up, the electrical connector and the connector assembly of the present invention are inserted into the welding hole 202 through the welding portion 21 of the terminal 20 and welded on the circuit board 200, and the circuit board 200 is completely accommodated in the accommodation space 50. The card position piece 321 is stuck on both sides of one end of the circuit board 200, which can better prevent electromagnetic interference; and the electrical connector 100 and the circuit board 200 are positioned accurately and connected firmly.

Claims (8)

1. electric connector, be connected with a circuit board, offer several welding holes on this circuit board, this electric connector comprises an insulating body, several terminals, a main shield housing and a screening cover shell, insulating body has the tongue body portion that a base portion and a front end from base portion are convexly equipped with formation forward, offers the terminal groove that several extend to base portion in the tongue body portion; Several terminals is arranged at respectively in the terminal groove of insulating body, and terminal has a weld part; It is characterized in that: the housing base portion, that the main shield housing has the rectangular tubular connecting portion that forms and that extends back from housing base portion diapire and two side extends and dual-side extends upward the housing extension portion of formation more backward and to both sides from the connecting portion diapire, and the connecting portion both sides are respectively equipped with the outside screens sheet that extends to form of bending upwards; The screening cover shell is covered on the main shield housing, and this screening cover shell and main shield housing surround an accommodation space; Wherein, the weld part of terminal is inserted in the welding hole and is welded on the circuit board, and circuit board is placed in the accommodation space fully, and the screens sheet is stuck in place, circuit board one end both sides.

2. electric connector as claimed in claim 1, it is characterized in that: described housing extension portion comprises both walls, the both walls rear end is respectively equipped with one and inwardly upwards bends the locating piece that extends to form again, the locating piece middle part extends upward and forms a reference column, offer several location holes on the circuit board, reference column is inserted in the location hole.

3. electric connector as claimed in claim 2, it is characterized in that: described side wall is provided with several hole clippings, the circuit board both sides offer several respectively and dodge groove, the screening cover shell has biside plate, offer several flutings on the biside plate, go up lower edge from slotting and bend inwards respectively and extend to form an elastic card, elastic card inwardly is sticked in the hole clipping and passes and dodges groove and be butted on the side wall upper edge.

4. electric connector as claimed in claim 3 is characterized in that: described bend inwards from the side plate rear and front end to have extended to form to collude hold plate, collude and hold the front and back end place that plate colludes the housing extension portion that is held in the main shield housing.

5. a connector combination comprises a circuit board and an electric connector, offers several welding holes on this circuit board; This electric connector further comprises an insulating body, several terminals, a main shield housing and a screening cover shell, insulating body has the tongue body portion that a base portion and a front end from base portion are convexly equipped with formation forward, offers the terminal groove that several extend to base portion in the tongue body portion; Several terminals is arranged at respectively in the terminal groove of insulating body, and terminal has a weld part; It is characterized in that: the housing base portion, that the main shield housing has the rectangular tubular connecting portion that forms and that extends back from housing base portion diapire and two side extends and dual-side extends upward the housing extension portion of formation more backward and to both sides from the connecting portion diapire, and the connecting portion both sides are respectively equipped with the outside screens sheet that extends to form of bending upwards; The screening cover shell is covered on the main shield housing, and this screening cover shell and main shield housing surround an accommodation space; Wherein, the weld part of terminal is inserted in the welding hole and is welded on the circuit board, and circuit board is placed in the accommodation space fully, and the screens sheet is stuck in place, circuit board one end both sides.

6. connector combination as claimed in claim 5, it is characterized in that: described housing extension portion comprises both walls, the both walls rear end is respectively equipped with one and inwardly upwards bends the locating piece that extends to form again, the locating piece middle part extends upward and forms a reference column, offer several location holes on the circuit board, reference column is inserted in the location hole.

7. connector combination as claimed in claim 6, it is characterized in that: described side wall is provided with several hole clippings, the circuit board both sides offer several respectively and dodge groove, the screening cover shell has biside plate, offer several flutings on the biside plate, go up lower edge from slotting and bend inwards respectively and extend to form an elastic card, elastic card inwardly is sticked in the hole clipping and passes and dodges groove and be butted on the side wall upper edge.

8. connector as claimed in claim 7 combination is characterized in that: described bend inwards from the side plate rear and front end to have extended to form to collude hold plate, collude and hold the place, front and back end that plate colludes the housing extension portion that is held in the main shield housing.

Images