CN211670384U

CN211670384U - Electrical connector

Info

Publication number: CN211670384U
Application number: CN202020318042.0U
Authority: CN
Inventors: 徐红强; 许立军
Original assignee: Dongguan Leader Precision Industry Co Ltd
Current assignee: Dongguan Leader Precision Industry Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-10-13
Anticipated expiration: 2030-03-13

Abstract

An electric connector is mounted on an electronic device and comprises an insulating body, a conductive terminal and a metal shell. The insulating body comprises a base, a tongue plate and a connecting part positioned between the base and the tongue plate, and the conductive terminal is fixedly held in the insulating body. The conductive terminal comprises a contact part exposed on the tongue plate and used for being butted with the butting connector and a tail part held by the base and used for being connected with the circuit board. The metal shell is sleeved outside the insulating body to form an inserting space of the butting connector, the inserting space is provided with an inserting port located at the front end, and the base is located on the side far away from the inserting port. The metal shell is at least annularly shielded on the connecting part and the base, and the part of the tail part extending from the insulating body is not covered by the metal shell, so that the tail part can be connected with the circuit board. The utility model discloses a shield effectually, furthest has realized preventing electromagnetic leakage.

Description

Electrical connector

Technical Field

The utility model belongs to the technical field of the electric connector and specifically relates to an electromagnetic leakage prevention's electric connector.

Background

For electrical connectors, water resistance and electromagnetic radiation resistance are equally important. Firstly, the waterproof requirement of customers is higher and higher, the electric connector needs to meet the IPX8 waterproof grade, and secondly, the electric connector needs to be used on a 4G product, so the research of reducing the electromagnetic leakage is also indispensable for the electric connector. The traditional electric connector is basically completely hollow in a double-row SMT pasting board area, so that the electromagnetic leakage of the electric connector is serious in the using process, and the requirement cannot be met.

Therefore, there is a need to provide a new electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector, its furthest has realized preventing electromagnetic leakage.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric connector is arranged on an electronic device and comprises an insulating body, a conductive terminal and a metal shell, wherein the insulating body comprises a base, a tongue plate and a connecting part positioned between the base and the tongue plate, the conductive terminal is fixedly held in the insulating body and comprises a contact part exposed out of the tongue plate and used for being butted with a butting connector and a tail part fixedly held by the base and used for being connected with a circuit board, the metal shell is sleeved outside the insulating body to form a splicing space of the butting connector, the splicing space is provided with a splicing opening positioned at the front end, the base is positioned at the side far away from the splicing opening, the metal shell is at least annularly shielded on the connecting part and the base, and the part of the tail part extending from the insulating body is not covered by the metal shell so that the tail part can be connected with the circuit board.

As the utility model discloses further modified technical scheme, metal casing includes metal casing and metal shielding shell, connecting portion have upper and lower and side surface, the base has the rear surface, metal casing annular shielding is in the upper and lower, side surface of connecting portion, the rear surface of base is shielded to the metal shielding shell, the metal shielding shell welds with metal casing.

As a further improved technical solution of the present invention, the metal shell is an injection molding member, which includes an annular main body portion covering the upper, lower, and side surfaces of the connecting portion and a pair of ears extending integrally from both sides of the annular main body portion to mount the electric connector on the electronic device.

As the utility model discloses further modified technical scheme, metal shield shell is the metal stamping workpiece, including attached in the vertical portion of the rear surface of base with the bottom edge both sides of vertical portion are buckled forward and are extended frame portion and with metal casing welded connection, the frame portion is equipped with decurrent arch, the arch can be connected with the ground connection gasket on the circuit board.

As the utility model discloses further modified technical scheme, the welding part of two rows extensions around the afterbody is for being, the metal shielding shell is equipped with the bottom edge middle part from vertical portion and steps down backward for the afterbody and keep the back fender portion of certain interval parallel extension with vertical portion, the lower edge of back fender portion also can be connected with the ground connection gasket on the circuit board.

As a further improved technical scheme of the utility model, including the metallic shield ring, the metallic shield ring is the metal stamping workpiece, include the basal portion and the tongue piece that extends from the trailing edge of basal portion bending backward, the basal portion inlays to be located in connecting portion and the ring is located outside conductive terminal, the tongue piece expose outside connecting portion and with metal casing welded connection.

As a further improved technical proposal of the utility model, the tongue plate is exposed forwards from the splicing space.

As the utility model discloses further modified technical scheme, the waterproof board that forms is glued to the point that has between base and the connecting portion, annular main part is equipped with the opening that can make glue pour into.

As a further improved technical scheme of the utility model, including the metal partition, conductive terminal includes row's conductive terminal and lower conductive terminal, insulator include on the fixing terminal row conductive terminal last collets, the fixing terminal down collets and the cladding shaping in the outer insulator of upper and lower collets, the metal partition centre gripping in go up between collets and the lower collets, the both sides of base are equipped with the fluting, the metal partition extend backward and expose in the fluting of base and with metal casing welded connection.

As the utility model discloses further modified technical scheme still includes that thereby the annular cover establishes the waterproof circle that can the centre gripping between electronic equipment and metal casing on metal casing.

Compared with the prior art, the utility model discloses electric connector, detach necessary interface and extend the part of conductive terminal afterbody, other parts are all covered by metal casing and are shielded, consequently, furthest has realized preventing electromagnetic leakage.

Drawings

Fig. 1 is a perspective assembly view of the electric connector of the present invention.

Fig. 2 is a perspective assembly view of the electric connector of the present invention at another angle.

Fig. 3 is a side view of fig. 1.

Fig. 4 is a top view of fig. 1.

Fig. 5 is a sectional view taken along line a-a of fig. 4.

Fig. 6 is an exploded perspective view of the electrical connector of the present invention.

Fig. 7 is an exploded perspective view of the electrical connector of the present invention at another angle.

Fig. 8 is a further exploded perspective view of the housing, the conductive terminal, the metal partition, the metal shielding ring and the waterproof plate of fig. 6.

Detailed Description

Referring to fig. 1 to 8, an electrical connector 100 mounted on an electronic device includes an insulating body 1, a conductive terminal 2 and a metal housing 3. The insulating body 1 comprises a base 11, a tongue plate 12 and a connecting part 13 positioned between the base 11 and the tongue plate 12. The conductive terminal 2 is held in the insulating body 1, and the conductive terminal 2 includes a contact portion 21 exposed on the tongue plate 12 for being butted with a butting connector and a tail portion 22 held by the base 11 for being connected with a circuit board. The metal shell 3 is sleeved outside the insulating body 1 to form an inserting space 30 of the butting connector, the inserting space 30 is provided with an inserting port at the front end, and the base 11 is positioned at the side far away from the inserting port. The metal shell 3 is at least annularly shielded on the connecting part 13 and the base 11, and the extending part of the tail part 22 from the insulating body 1 is not covered by the metal shell 3 so that the tail part 22 can be connected with the circuit board.

Referring to fig. 1 to 3, 6 and 7, the metal shell 3 includes a metal shell 31 and a metal shielding shell 32. The connecting portion 13 has upper, lower and side surfaces 101, 102, 103, and the base 11 has a rear surface 104. The metal shell 31 is annularly shielded on the upper, lower and side surfaces 101, 102, 103 of the connecting portion 13, and the metal shielding shell 32 shields the rear surface 104 of the base 11. The metal shield case 32 is welded to the metal housing 31.

Referring to fig. 6 and 7, the metal shell 31 is an injection molded part, and includes a ring-shaped main body 311 covering the upper, lower and side surfaces 101, 102 and 103 of the connecting portion 13 and a pair of ears 312 integrally extending from two sides of the ring-shaped main body 311 for mounting the electrical connector 100 on an electronic device. The metal housing 31 is formed by injection molding, which uses MIM technology, which is well known in the art and will not be described herein.

With continuing reference to fig. 6 and 7, the metal shielding case 32 is a metal stamping, and includes a vertical portion 321 attached to the rear surface 104 of the base 11 and two sides of a bottom edge of the vertical portion 321 are bent forward to form a frame portion 323, so as to be connected to the metal shell 31 by welding. The frame 323 is provided with a downward projection 3231, which projection 3231 can be connected to a ground pad on a circuit board. The purpose of this arrangement is to achieve simultaneous grounding of the shields.

Referring to fig. 5 and 6, the tail portion 22 is a welding portion extending in two rows, the metal shielding shell 32 is provided with a rear blocking portion 322 receding from the middle of the bottom edge of the vertical portion 321 to the tail portion 22 and extending in parallel with the vertical portion 321 at a certain interval, and the lower edge of the rear blocking portion 322 can also be connected to a grounding pad on the circuit board to achieve grounding.

Referring to fig. 6 and 8, the electrical connector 100 of the present invention further includes a metal shielding ring 4. The metal shielding ring 4 is a metal stamping and includes a base 41 and a tongue 42 bent and extended backward from a rear edge of the base 41. The base 41 is embedded in the connecting portion 13 and surrounds the conductive terminal 2, and the tongue 42 is protruded out of the connecting portion 13 and connected to the metal shell 31 by welding.

Referring to fig. 1 to 5, in a preferred embodiment, the tongue plate 12 is exposed forward of the insertion space 30. This arrangement effectively reduces the length of the electrical connector 100, and when the electrical connector 100 is installed in an electronic device (not shown), the length occupied in the mating direction is shortened, so that the layout and installation of other parts are facilitated, and the miniaturization and thinning of the electronic product are facilitated.

Referring to fig. 5, 7 and 8, a waterproof plate 5 formed by dispensing is disposed between the base 11 and the connecting portion 13, and the annular body portion 311 is provided with an opening 3110 for injecting glue. The waterproof plate 5 is used for sealing an assembly gap between the metal shell 31 and the insulating body 1 and preventing liquid such as water from entering the electric connector 100 from the socket. In this embodiment, the waterproof board 5 may be flush with the outer surface of the insulating body 1. In other embodiments, the waterproof board 5 may be flush with the outer surface of the metal shell 31, besides blocking the assembly gap between the metal shell 31 and the insulating body 1.

Referring to fig. 2, 6 to 8, the electrical connector 100 of the present invention further includes a metal spacer 6. The conductive terminals 2 include upper and lower rows of

conductive terminals

23, 24, and the insulative housing 1 includes an upper insulative block 121 for holding the upper row of conductive terminals 23, a lower insulative block 122 for holding the lower row of conductive terminals 24, and an insulative base 123 overmolded on the upper and lower

insulative blocks

121, 122. The metal partition plate 6 is clamped between the upper insulating block 121 and the lower insulating block 122, the two sides of the base 11 are provided with the slots 110, the metal partition plate 6 extends backwards and is exposed in the slot 110 of the base 11 to be welded with the metal shell 31, the upper and lower rows of

conductive terminals

23 and 24 are arranged to realize the function of positive and negative insertion, and the metal partition plate 6 is arranged to prevent the interference of electromagnetic signals.

Referring to fig. 1, fig. 6 and fig. 7, the electrical connector 100 of the present invention further includes a waterproof ring 7 annularly disposed on the metal housing 3 and capable of being clamped between the electronic device and the metal housing 3. The waterproof ring 7 is used to seal a gap between the electrical connector 100 and the electronic device, thereby preventing liquid such as water from entering the electronic device through the gap.

To sum up, the necessary parts of the present invention extending out of the tail portions 22 of the conductive terminals 2 are not covered by the metal housing 3, and the other parts are all shielded by the metal housing 3, thereby maximally achieving the electromagnetic leakage prevention.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An electric connector (100) is arranged on electronic equipment and comprises an insulating body (1), a conductive terminal (2) and a metal shell (3), the insulation body (1) comprises a base (11), a tongue plate (12) and a connecting part (13) positioned between the base (11) and the tongue plate (12), the conductive terminal (2) is fixed in the insulating body (1), the conductive terminal (2) comprises a contact part (21) exposed on the tongue plate (12) and used for butting with a butting connector and a tail part (22) fixed by the base (11) and used for connecting with a circuit board, the metal shell (3) is sleeved outside the insulating body (1) to form an inserting space (30) of the butting connector, the inserting space (30) is provided with an inserting port at the front end, the base (11) is positioned at the side far away from the inserting port, and the inserting space is characterized in that: the metal shell (3) is at least annularly shielded on the connecting part (13) and the base (11), and the part of the tail part (22) extending from the insulating body (1) is not covered by the metal shell (3) so that the tail part (22) can be connected with a circuit board.

2. The electrical connector (100) of claim 1, wherein: the metal shell (3) comprises a metal shell (31) and a metal shielding shell (32), the connecting portion (13) is provided with upper, lower and side surfaces (101, 102 and 103), the base (11) is provided with a rear surface (104), the metal shell (31) is annularly shielded on the upper, lower and side surfaces (101, 102 and 103) of the connecting portion (13), the metal shielding shell (32) shields the rear surface (104) of the base (11), and the metal shielding shell (32) is welded with the metal shell (31).

3. The electrical connector (100) of claim 2, wherein: the metal shell (31) is an integral injection molding piece, and comprises an annular main body part (311) covering the upper, lower and side surfaces (101, 102, 103) of the connecting part (13) and a pair of lug parts (312) integrally extending from two sides of the annular main body part (311) and mounting the electric connector (100) on the electronic equipment.

4. The electrical connector (100) of claim 2, wherein: the metal shielding shell (32) is a metal stamping part and comprises a vertical part (321) attached to the rear surface (104) of the base (11) and a frame part (323) formed by bending and extending two sides of the bottom edge of the vertical part (321) forwards and connected with the metal shell (31) in a welding mode, a downward protrusion (3231) is arranged on the frame part (323), and the protrusion (3231) can be connected with a grounding gasket on a circuit board.

5. The electrical connector (100) of claim 4, wherein: the welding part that afterbody (22) are two rows of extensions around being, metallic shield shell (32) are equipped with and give afterbody (22) and keep off portion (322) that certain interval parallel extension is kept with vertical portion (321) from the bottom edge middle part of vertical portion (321) abdicating backward, the lower edge of back fender portion (322) also can be connected with the ground pad on the circuit board.

6. The electrical connector (100) of claim 2, wherein: including metallic shield ring (4), metallic shield ring (4) are metal stamping spare, including basal portion (41) and tongue piece (42) from the trailing edge backward bending extension of basal portion (41), basal portion (41) are inlayed and are located connecting portion (13) in and encircle outside locating conductive terminal (2), tongue piece (42) are protruding to be exposed outside connecting portion (13) and with metal casing (31) welded connection.

7. The electrical connector (100) of claim 2, wherein: the tongue plate (12) exposes the insertion space (30) forwards.

8. The electrical connector (100) of claim 3, wherein: a waterproof plate (5) formed by dispensing is arranged between the base (11) and the connecting part (13), and the annular main body part (311) is provided with an opening (3110) capable of injecting glue.

9. The electrical connector (100) of claim 2, wherein: the conductive terminal structure comprises a metal partition plate (6), the conductive terminal (2) comprises an upper row of conductive terminals (23) and a lower row of conductive terminals (24), the insulating body (1) comprises an upper insulating block (121) for fixing the upper row of conductive terminals (23), a lower insulating block (122) for fixing the lower row of conductive terminals (24) and an insulating seat (123) which is formed outside the upper and lower insulating blocks (121, 122) in an encapsulating mode, the metal partition plate (6) is clamped between the upper insulating block (121) and the lower insulating block (122), two sides of the base (11) are provided with grooves (110), and the metal partition plate (6) extends backwards and is exposed in the grooves (110) of the base (11) to be connected with the metal shell (31) in a welding mode.

10. The electrical connector (100) of claim 1, wherein: the waterproof device also comprises a waterproof ring (7) which is annularly sleeved on the metal shell (3) and can be clamped between the electronic equipment and the metal shell (3).