CN115764361A

CN115764361A - Double-row 24PIN USB TYPE-C connector with screw hole

Info

Publication number: CN115764361A
Application number: CN202211575934.9A
Authority: CN
Inventors: 刘纯望
Original assignee: Dongguan Sanji Electronic Co ltd
Current assignee: Dongguan Sanji Electronic Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-07

Abstract

The invention discloses a 24PIN USB TYPE-C connector with double rows of screw holes, which comprises: the terminal of going up, arrange the terminal down, well clamping piece, insulator, the cover is located insulator outside's metal casing and is fixed in the installing support on the metal casing through laser spot welding, the both sides of installing support are provided with first screw hole and the second screw hole that is used for being connected with the circuit board, the terminal of going up is arranged in order to form the terminal module in the first location of the mode of moulding plastics in the mould outside parcel shaping, the terminal module in order to form in the outside parcel shaping second location of the mode of moulding plastics is arranged in the terminal of going down and well clamping piece in the mould. The adoption adds the installing support in metal casing's outside and strengthens metal casing and circuit board's stability of being connected to utilize first screw hole and second screw hole to pass through the fix with screw with the installing support on the circuit board, improve the joint strength of installing support and circuit board, make the better fixing of connector on the circuit board, in order to promote the life of connector.

Description

Double 24PIN USBTYPE-C connector of screw hole of taking

The technical field is as follows:

the invention relates to the technical field of connectors, in particular to a 24PIN USB TYPE-C connector with double rows of screw holes.

Background art:

at present in the USB TYPE-C interface wide application in various electronic product, along with in the continuous life that gets into of everything interconnection life style, each big common platform equipment all extensively is provided with USB TYPE-C interface, if: the automobile, the computer, the motor car and the like are all provided with USB TYPE-C connector interfaces. The traditional USB TYPE-C interface adopts the mode that a metal shell is directly welded with a circuit board, the welding in the mode is generally completed by tin soldering, and the welding point of tin is low, so that the connection strength of the connector and the circuit board is poor, the connector is easy to crack after being vibrated, short circuit is caused, and the service life of the connector is greatly reduced.

In view of this, the present inventors propose the following.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provides a 24PIN USB TYPE-C connector with double-row screw holes.

In order to solve the technical problems, the invention adopts the following technical scheme: a double-row screw hole 24PIN USB TYPE-C connector comprises: the upper row of terminals, the lower row of terminals, the middle clamping piece arranged between the upper row of terminals and the lower row of terminals and spaced apart from each other, the insulation body wrapped on the upper row of terminals, the lower row of terminals and the outer portion of the middle clamping piece, the metal shell sleeved on the outer portion of the insulation body and the mounting support fixed on the metal shell through laser spot welding, wherein a first screw hole and a second screw hole used for being connected with the circuit board are formed in two sides of the mounting support, twelve upper row of terminals are externally wrapped and formed with first positioning plastic blocks through an in-mold injection molding mode to form an upper row of terminal module, twelve lower row of terminals and the middle clamping piece are externally wrapped and formed with second positioning plastic blocks through an in-mold injection molding mode to form an upper row of terminal module, and the insulation body, the upper row of terminals and the lower row of terminal module are integrally formed through an in-mold injection molding mode.

Further, in the above technical solution, the upper end surface of the metal shell is provided with a first turning hook, a second turning hook and a third turning hook for positioning the mounting bracket by turning outward, and the mounting bracket is provided with a first positioning hole, a second positioning hole and a third positioning hole corresponding to the first turning hook, the second turning hook and the third turning hook in a matching manner.

Furthermore, in the above technical solution, the first positioning hole, the second positioning hole, and the third positioning hole are distributed in a triangular shape, and a first welding spot area and a second welding spot area are disposed on two sides of the first positioning hole, the second positioning hole, and the third positioning hole, and a third welding spot area and a fourth welding spot area are disposed between the first positioning hole, the second positioning hole, and the third positioning hole.

Furthermore, among the above-mentioned technical scheme, the middle part both sides of installing support are provided with outwards and are used for the bearing first screw hole with the first auricle and the second auricle of second screw hole, the both sides of installing support front end be provided with be used for with circuit board welded first leg and second leg.

Further, in the above technical solution, the rear end of the mounting bracket is folded downward to form a limiting plate extending to the rear end of the metal shell, and a third solder leg and a fourth solder leg for soldering with the circuit board are disposed on two sides of the limiting plate; and a fifth welding leg and a sixth welding leg which are used for welding the circuit board are arranged on two sides of the rear end of the metal shell.

Furthermore, in the above technical solution, three diversion grooves for guiding insertion of a plug are respectively formed on the upper and lower surfaces of the end portion of the tongue plate at the front end of the insulating body, and a first conductive portion and a second conductive portion extending out of the insulating body and contacting with the inner wall of the metal shell are formed on two sides of the middle clamping piece.

Furthermore, among the above-mentioned technical scheme, metal casing's up end inwards stamping forming have be used for with plug contact increases the first contact convex closure and the second contact convex closure of plug power, metal casing's bottom surface be provided with inside elasticity perk and be used for with the first contact shell fragment and the second contact shell fragment of plug contact.

Further, in the above technical solution, the middle of the upper end surface and the bottom surface of the metal shell are respectively provided with a first limiting boss and a second limiting boss which are formed by inward punching and used for clamping the insulation body, the upper and lower sides of the front end of the insulation body are respectively provided with a first groove and a second groove which are matched and positioned with the first limiting boss and the second limiting boss, the first groove and the second groove are respectively located on the upper and lower sides of the tongue plate, and the first limiting boss and the second limiting boss protrude out of the front end surface of the insulation body.

Furthermore, in the above technical solution, the first contact head portion at the front end of the upper row of terminals and the second contact head portion at the front end of the lower row of terminals are symmetrically embedded in the insulating body in a duckbill structure.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: according to the invention, the mounting bracket is additionally arranged outside the metal shell to enhance the connection stability of the metal shell and the circuit board, and the mounting bracket is fixed on the circuit board through the screws by utilizing the first screw hole and the second screw hole, so that the connection strength of the mounting bracket and the circuit board is improved, the connector is better fixed on the circuit board, and the service life of the connector is prolonged.

Description of the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a first exploded view of the present invention;

FIG. 3 is a second exploded view of the present invention;

FIG. 4 is a third exploded view of the present invention;

FIG. 5 is a front view of the present invention;

FIG. 6 isbase:Sub>A cross-sectional view of section A-A of FIG. 5;

fig. 7 is a sectional view of section B-B in fig. 5.

The specific implementation mode is as follows:

the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1 to 7, there is shown a double-threaded hole 24PIN USB TYPE-C connector, which includes: the upper row terminal module 1 comprises an upper row terminal 11, a lower row terminal 21, a middle clamping piece 4 arranged between the upper row terminal 11 and the lower row terminal 21 and spaced apart from each other, an insulating body 3 wrapped outside the upper row terminal 11, the lower row terminal 21 and the middle clamping piece 4, a metal shell 5 sleeved outside the insulating body 3, and a mounting bracket 6 fixed on the metal shell 5 through laser spot welding, wherein a first screw hole 61 and a second screw hole 62 for connecting with the circuit board are arranged on two sides of the mounting bracket 6, twelve upper row terminals 11 are externally wrapped and molded with first positioning plastic blocks 12 through an in-mold injection molding mode to form the upper row terminal module 1, twelve lower row terminals 21 and the middle clamping piece 4 are externally wrapped and molded with second positioning plastic blocks 22 through an in-mold injection molding mode to form the upper row terminal module 1, and the insulating body 3, the upper row terminal module 1 and the lower row terminal module 2 are integrally molded through an in-mold injection molding mode. The adoption adds installing support 6 in metal casing 5's outside and strengthens metal casing 5 and the stability of being connected of circuit board to utilize first screw hole 61 and second screw hole 62 to pass through the fix with screw with installing support 6 on the circuit board, improve the joint strength of installing support 6 and circuit board, make the better fixing of connector on the circuit board, in order to promote the life of connector. Secondly, the mounting bracket 6 is connected with the metal shell 5 in a laser spot welding mode, so that the stability of connection between the mounting bracket 6 and the metal shell 5 is ensured, and the mounting strength of the metal shell 5 is improved.

The upper end face of the metal shell 5 is provided with a first turning hook 501, a second turning hook 502 and a third turning hook 503 for positioning the mounting bracket 6 in an outward turning manner, and the mounting bracket 6 is provided with a first positioning hole 601, a second positioning hole 602 and a third positioning hole 603 which are matched with and correspond to the first turning hook 501, the second turning hook 502 and the third turning hook 503 respectively. The upper end face of the metal shell 5 is punched and bent outwards to form a first turning hook 501, a second turning hook 502 and a third turning hook 503, and the mounting bracket 6 is positioned by the first turning hook 501, the second turning hook 502 and the third turning hook 503, so that the mounting bracket 6 cannot move in a plane after being in contact assembly with the metal shell 5, welding between the metal shell 5 and the mounting bracket 6 is facilitated, and the connection stability of the metal shell 5 and the mounting bracket 6 is improved.

The first positioning hole 601, the second positioning hole 602, and the third positioning hole 603 are distributed in a triangular shape, and a first welding point region 604 and a second welding point region 605 are disposed on two sides of the first positioning hole 601, the second positioning hole 602, and the third positioning hole 603, and a third welding point region 606 and a fourth welding point region 607 are disposed between the first positioning hole 601, the second positioning hole 602, and the third positioning hole 607. A first welding spot area 604, a second welding spot area 605, a third welding spot area 606 and a fourth welding spot area 607 are arranged around and in the middle of the first positioning hole 601, the second positioning hole 602 and the third positioning hole 603, and each welding spot area is subjected to multiple laser spot welding to realize stable welding between the metal shell 5 and the mounting bracket 6.

The middle part both sides of installing support 6 are provided with outwards and are used for the bearing first lug piece 63 and the second lug piece 64 of first screw hole 61 with second screw hole 62, the both sides of installing support 6 front end be provided with be used for with circuit board welded first leg 65 and second leg 66.

A limiting plate 67 extending to the rear end of the metal shell 5 is arranged at the rear end of the mounting bracket 6 in a downward turning manner, and a third fillet 671 and a fourth fillet 672 used for being welded with the circuit board are arranged on two sides of the limiting plate 67; and a fifth welding leg 51 and a sixth welding leg 52 which are used for welding with the circuit board are arranged on two sides of the rear end of the metal shell 5.

The upper and lower surfaces of the end of the tongue plate 30 at the front end of the insulating body 3 are provided with three flow guiding grooves 300 for guiding plug insertion, and the two sides of the middle clamping piece 4 are provided with a first conductive part 41 and a second conductive part 42 which extend out of the insulating body 3 and are in contact with the inner wall of the metal shell 5. The upper and lower surfaces of the tongue plate 30 of the insulating body 3 are additionally provided with three diversion grooves 300, so that the plug can be inserted more smoothly. Secondly, by arranging the first conductive part 41 and the second conductive part 42 extending out of the insulating body 3 on two sides of the middle clip 4, after the connector is assembled, the middle clip 4 can be in contact conduction with the metal shell 5 by means of the first conductive part 41 and the second conductive part 42, thereby improving the current resistance of the connector.

The last terminal surface of metal casing 5 inwards punch forming have be used for with the plug contact increases the first contact convex closure 53 and the second contact convex closure 54 of plug power, the bottom surface of metal casing 5 be provided with inside elasticity perk and be used for with the first contact shell fragment 55 and the second contact shell fragment 56 of plug contact. Through set up inside bellied first contact convex closure 53 and second contact convex closure 54 at metal casing 5's up end to set up inside perk first contact shell fragment 55 and second contact shell fragment 56 at metal casing 5's lower terminal surface, after the plug inserts in metal casing 5, utilize first contact shell fragment 55 and second contact shell fragment 56 and first contact shell fragment 55 and second contact shell fragment 56 to support the pressure contact with the plug, not only can make the plug more inseparabler with metal casing 5 contact, but also can promote the current resistance of product.

The middle of the upper end face and the bottom face of the metal shell 5 are respectively provided with a first limiting boss 57 and a second limiting boss 58 which are punched inwards to form a clamping position for the insulation body 3 in a stamping mode, the upper side and the lower side of the front end of the insulation body 3 are respectively provided with a first groove 31 and a second groove 32 which are matched with the first limiting boss 57 and the second limiting boss 58 for positioning, the first groove 31 and the second groove 32 are respectively located on the upper side and the lower side of the tongue plate 30, and the first limiting boss 57 and the second limiting boss 58 protrude out of the front end face of the insulation body 3. All set up the spacing boss 57 of first spacing boss 57 and the spacing boss 58 of second of indent through up end at metal casing 5 and bottom surface to make the preceding terminal surface of the spacing boss 57 of first spacing boss 57 and the spacing boss 58 of second exceed insulator 3's first recess 31 and second recess 32, thereby end the position to the plug depth of insertion, prevent that the plug from inserting and directly withstanding insulator 3 and cause the destruction to the product.

The first contact head 110 at the front end of the upper row of terminals 11 and the second contact head 210 at the front end of the lower row of terminals 21 are symmetrically embedded in the insulating body 3 in a "duck-bill" structure. The terminal is embedded in the insulating body 3 by a symmetrical "duck bill" structure in which the contact heads of the upper row terminal 11 and the lower row terminal 21 are arranged, which is superior in structural strength and can prevent the terminal from being inserted and rolled up by the force generated when a plug is inserted.

In summary, in the present invention, the mounting bracket 6 is additionally disposed on the metal shell 5, and the mounting bracket 6 and the metal shell 5 are combined by laser welding, so as to ensure superior bonding strength, and to ensure good welding strength after the connector is welded to the circuit board. Secondly, the conventional TYPE-C connector is not provided with screw holes, the mounting bracket 6 with the first screw hole 61 and the second screw hole 62 is arranged on the metal shell 5, and the screws are locked after the circuit board is welded through a laser welding technology, so that the strength of a welding plate of the product is increased.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a double area screw hole 24PIN USBTYPE-C connector which characterized in that includes: the upper row of terminals (11), the lower row of terminals (21), middle clamping pieces (4) which are arranged between the upper row of terminals (11) and the lower row of terminals (21) and are spaced apart from each other, a metal shell (5) which is wrapped on the upper row of terminals (11), the lower row of terminals (21) and the middle clamping pieces (4), and a mounting support (6) which is fixed on the metal shell (5) through laser spot welding, wherein first screw holes (61) and second screw holes (62) which are used for being connected with the circuit board are arranged on two sides of the mounting support (6), twelve upper row of terminals (11) are wrapped and molded on the outside through an in-mold injection molding mode to form an upper row of terminal module (1), twelve lower row of terminals (21) and the middle clamping pieces (4) are wrapped and molded on the outside through an in-mold injection molding mode to form a second positioning plastic block (22) to form an upper row of terminals module (1), and the insulation body (3), the terminal module (1) and the middle clamping pieces (2) are integrally molded on the inside of the lower row of the mold through an in-mold injection molding mode.

2. The double-row threaded hole 24PIN USB TYPE-C connector of claim 1, wherein: the upper end face of the metal shell (5) is provided with a first turning hook (501), a second turning hook (502) and a third turning hook (503) which are used for positioning the mounting support (6) in an outward turning mode, and the mounting support (6) is provided with a first positioning hole (601), a second positioning hole (602) and a third positioning hole (603) which are matched and corresponding to the first turning hook (501), the second turning hook (502) and the third turning hook (503) respectively.

3. The double-row threaded hole 24PIN USB TYPE-C connector of claim 2, wherein: the first positioning hole (601), the second positioning hole (602) and the third positioning hole (603) are distributed in a triangular shape, a first welding point area (604) and a second welding point area (605) are arranged on two sides of the first positioning hole (601), and a third welding point area (606) and a fourth welding point area (607) are arranged between the first positioning hole (601), the second positioning hole (602) and the third positioning hole (603).

4. The double-row threaded hole 24PIN USB TYPE-C connector of claim 1, wherein: the middle part both sides of installing support (6) are provided with outwards and are used for the bearing first screw hole (61) with first auricle (63) and second auricle (64) of second screw hole (62), the both sides of installing support (6) front end be provided with be used for with circuit board welded first leg (65) and second leg (66).

5. The double row 24PIN TYPE-C connector with screw holes of claim 4, wherein: a limiting plate (67) extending to the rear end of the metal shell (5) is arranged at the rear end of the mounting bracket (6) in a downward turning mode, and a third solder leg (671) and a fourth solder leg (672) which are used for being welded with the circuit board are arranged on two sides of the limiting plate (67); and a fifth welding leg (51) and a sixth welding leg (52) which are used for being welded with the circuit board are arranged on two sides of the rear end of the metal shell (5).

6. The double threaded hole 24PIN TYPE-C connector of any of claims 1 to 5, wherein: the upper surface and the lower surface of the end part of the tongue plate (30) at the front end of the insulating body (3) are respectively provided with three flow guide grooves (300) for guiding plug insertion, and the two sides of the middle clamping plate (4) are provided with a first conductive part (41) and a second conductive part (42) which extend out of the insulating body (3) and are in contact with the inner wall of the metal shell (5).

7. The double row 24PIN TYPE-C connector with screw holes of claim 6, wherein: the up end of metal casing (5) to the interior stamping forming have be used for with plug contact increases plug power's first contact convex closure (53) and second contact convex closure (54), the bottom surface of metal casing (5) be provided with inside elasticity perk and be used for with first contact shell fragment (55) and second contact shell fragment (56) of plug contact.

8. The double row 24PIN TYPE-C connector with screw holes of claim 7, wherein: the upper end face and the middle part of the bottom surface of the metal shell (5) are respectively provided with a first limiting boss (57) and a second limiting boss (58) which are punched inwards to form a clamp for the insulation body (3), the upper side and the lower side of the front end of the insulation body (3) are respectively provided with a first groove (31) and a second groove (32) which are matched and positioned with the first limiting boss (57) and the second limiting boss (58), the first groove (31) and the second groove (32) are respectively located on the upper side and the lower side of the tongue plate (30), and the first limiting boss (57) and the second limiting boss (58) protrude out of the front end face of the insulation body (3).

9. The double row 24PIN TYPE-C connector with screw holes of claim 8, wherein: the first contact head part (110) at the front end of the upper row of terminals (11) and the second contact head part (210) at the front end of the lower row of terminals (21) are symmetrically arranged in a duckbilled structure and are embedded in the insulating body (3).