CN214204174U

CN214204174U - USB type-c connector

Info

Publication number: CN214204174U
Application number: CN202120256426.9U
Authority: CN
Inventors: 李秀东; 余曙光; 包乐荣
Original assignee: ZHEJIANG SONGCHENG ELECTRONICS CO LTD
Current assignee: ZHEJIANG SONGCHENG ELECTRONICS CO LTD
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-09-14
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a structure is more firm, and moulds plastics USB type-c connector that the number of times still less. The technical scheme adopted comprises the following steps: the insulating seat comprises a base and a tongue plate, the upper row of terminals and the lower row of terminals are embedded in the insulating seat and comprise inserting parts, bending parts and pin parts, the surfaces of the inserting parts are exposed on the tongue plate, the end parts of the pin parts extend out of the rear end of the base, flat grounding hooks are embedded on two sides of the tongue plate of the insulating seat, a hook part is arranged at the top of the outer side of each grounding hook, a first connecting surface extends from the other side of each grounding hook, a filling groove is formed in the first connecting surface, and the edge of the hook part is exposed in hanging grooves on two sides of the tongue plate.

Description

USB type-c connector

Technical Field

The utility model relates to a USB type-c connector.

Background

The USB interface has three interfaces with different appearances, namely Type-A, Type-B, Type-C, wherein Type-C has a volume which is much smaller than that of Type-A and Type-B, and is the latest appearance standard of the USB interface. In addition, Type-C is an interface Type that can be applied to both a PC (master device) and an external device (slave device, such as a mobile phone). The structure of the conventional USB type-c connector is shown in the chinese utility model patent with the publication number "CN 205882309U". The method comprises the following steps: the terminal comprises an insulating seat, a metal shell arranged on the insulating seat, an upper row of terminals embedded in the insulating seat and a lower row of terminals. The insulating base comprises a base and a tongue plate, and the upper row of terminals and the lower row of terminals respectively comprise inserting parts, bending parts and pin parts. The surface of the insertion part is exposed to the tongue plate, and the end part of the pin part extends out of the rear end of the base. And grounding hooks are embedded at two sides of the tongue plate of the insulating seat. The grounding clamping hook is slender in overall structure and is provided with a hook buckling part, a connecting part and a grounding welding leg, and the grounding welding leg extends out of the rear end of the insulating base. There are disadvantages in that: 1. the connection strength between the grounding hook and the tongue plate of the insulating base is poor; 2. the plastic material can be molded only by three times of insert injection (firstly, the upper row of terminal insert injection molding, then, the lower row of terminal insert injection molding, finally, the plastic material is assembled with the grounding clamping hook and then, the upper row of terminal insert injection molding, and finally, the lower row of terminal insert injection molding together with the grounding clamping hook); 3. the interval between the grounding hook and the power terminal is small, so that short circuit is easy to occur, and current transmission is not facilitated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a USB type-c connector that the structure is more firm, and the number of times of moulding plastics still less.

In order to solve the above problem, the utility model discloses a technical scheme include: insulating seat, install metal casing on the insulating seat, inlay and establish last row of terminal in the insulating seat, lower row of terminal, insulating seat includes base, hyoplastron, last row of terminal, lower row of terminal all include grafting portion, the portion of bending, pin portion, grafting portion surface exposes the hyoplastron, pin portion tip is followed the base rear end stretches out its characterized in that: the flat grounding hooks are embedded on two sides of the tongue plate of the insulating base, a hook portion is arranged on the top of the outer side of each grounding hook, a first material connecting surface extends from the other side of each grounding hook, a filler groove is formed in each first material connecting surface, and the edges of the hook portions are exposed in the hanging grooves on the two sides of the tongue plate.

USB type-c connector, its characterized in that: the upper row of terminals and the lower row of terminals respectively comprise two grounding terminals positioned at two sides, the grounding hook clamp is arranged between the grounding terminals, and the top of each grounding terminal is contacted with the corresponding grounding hook.

USB type-c connector, its characterized in that: and positioning bosses are arranged on two sides of the base of the insulating seat, and positioning grooves matched with the positioning bosses in a positioning mode are arranged at the rear end of the metal shell.

USB type-c connector, its characterized in that: the packing grooves comprise a first packing groove and a second packing groove.

USB type-c connector, its characterized in that: a reinforcing section is arranged between the base and the tongue plate, and the rear end of the grounding hook extends to the reinforcing section.

USB type-c connector, its characterized in that: and a second material connecting surface extends from the upper end of the hook part of the grounding hook, and the edge of the second material connecting surface is flush with the edge of the tongue plate of the insulating seat.

USB type-c connector, its characterized in that: and a third packing groove is formed in the second material connecting surface of the grounding hook.

USB type-c connector, its characterized in that: the tops of the upper row of terminals and the lower row of terminals are flush.

USB type-c connector, its characterized in that: the rear ends of the plug-in parts of the upper row of terminals and the lower row of terminals to the pin parts are arranged in a staggered mode.

USB type-c connector, its characterized in that: the top of the first material connecting surface is provided with a first material folding part, and the side surface of the grounding hook is provided with a second material folding part.

The utility model discloses a USB type-c connector advantage as follows: 1. the grounding hook can be firmly fixed on the two sides of the tongue plate of the insulating base, so that the service life of connection is greatly prolonged; 2. the grounding hook can be stably fixed in the die and cannot interfere with other terminal production, so that one-time insert injection molding can be realized, the production efficiency is greatly improved, and the production cost is reduced.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

FIG. 1 is a schematic structural diagram of a USB type-c connector according to the present invention;

FIG. 2 is an exploded view of the USB type-c connector of the present invention;

fig. 3 is a schematic view of the connection between the insulating base and the upper row of terminals, the lower row of terminals and the grounding hook of the present invention;

fig. 4 is a schematic structural view of the insulating base of the present invention;

fig. 5 is a schematic view of the connection between the terminal and the grounding hook of the present invention;

fig. 6 is a side view between the terminal and the grounding hook of the present invention;

fig. 7 is a schematic structural diagram of the ground hook of the present invention.

Detailed Description

Referring to fig. 1-7, the USB type-c connector of the present invention comprises an insulating base 1, a metal shell 2 mounted on the insulating base 1, an upper row terminal 3 embedded in the insulating base 1, and a lower row terminal 4. The upper row of terminals 3 and the lower row of terminals 4 are both composed of a group of signal terminals and power supply terminals which are arranged at intervals. The insulating base 1 comprises a base 5 and a tongue plate 6. The upper row of terminals 3 and the lower row of terminals 4 both comprise plugging parts 7, bending parts 8 and pin parts 21. The surface of the insertion part 7 is exposed to the surface of the tongue plate 6. The end of the lead part 21 extends from the rear end of the base 5 for soldering with a PCB. Two sides of the tongue plate 6 of the insulating base 1 are embedded with flat grounding hooks 9. The top of the outer side of the grounding hook 9 is provided with a hook part 10, and the other side of the grounding hook is extended with a first connecting surface 11. The first material connecting surface 11 is provided with a packing groove 12, and the packing groove 12 comprises a first packing groove 17 and a second packing groove 18. During insert injection, the injection molding enters the filler groove 12, so that the connection strength between the insulation seat 1 and the injection molding is improved. The edges of the hook 10 are exposed in the hooking recesses 13 on both sides of the tongue plate 6.

Preferably, each of the upper and lower terminals 3 and 4 includes two ground terminals 14 at both sides, the ground hook 9 is sandwiched between the ground terminals 14, and the top of the ground terminal 14 contacts with the front end of the ground hook 9, so that better grounding is achieved. The rear end of the ground terminal 14 is placed in the middle of the gap 22 formed between the upper row terminal 3 and the lower row terminal 4, so as to facilitate integral injection molding.

Preferably, the two sides of the base 5 of the insulating base 1 are provided with positioning protrusions 15, and the rear end of the metal shell 2 is provided with positioning grooves 16 matched with the positioning protrusions 15 in a positioning manner, so that the metal shell 2 and the insulating base 1 can be assembled easily, and the stability after assembly is improved.

Preferably, a reinforcing section 20 is arranged between the base 5 and the tongue plate 6, and the rear end of the grounding hook 9 extends to the reinforcing section 20, so as to further improve the connection strength.

Preferably, a second material connecting surface 23 extends from the upper end of the hook portion 10 of the grounding hook 9, and the edge of the second material connecting surface 23 is flush with the edge of the tongue plate 6 of the insulating base 1, so as to further improve the connecting strength between the grounding hook 9 and the insulating base 1 and the strength of the tongue plate 6, and facilitate assembly.

Preferably, a third padding groove 19 is formed on a second material connecting surface 23 of the grounding hook 9, so as to further improve the connection strength between the grounding hook 9 and the insulating base 1.

Preferably, the tops of the upper row of terminals 3 and the lower row of terminals 4 are flush, so as to further improve the strength of the tongue plate 6 and facilitate the folding or cutting of the material belt.

Preferably, the position between the rear end of the inserting part 7 of the upper row of terminals 3 and the pin part 21 and the position between the rear end of the inserting part 7 of the lower row of terminals 4 and the pin part 21 are arranged in a staggered manner, so that the integrated insert injection molding is facilitated.

Preferably, a first material folding part 24 is arranged at the top of the first material connecting surface 11, and a second material folding part 25 is arranged on the side surface of the grounding hook 9. Through first material portion 24, second material portion 25 are rolled over and are connected with the material area, and it is better that it links the material stationarity to the integrative inserts injection moulding of being convenient for again further.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides a USB type-c connector, includes insulating seat (1), installs metal casing (2) on insulating seat (1), inlay and establish last row terminal (3), lower row terminal (4) in insulating seat (1), insulating seat (1) includes base (5), hyoplastron (6), last row terminal (3), lower row terminal (4) all include grafting portion (7), portion of bending (8), pin portion (21), grafting portion (7) surface exposes hyoplastron (6), draw pin portion (21) tip follow base (5) rear end stretches out its characterized in that: the insulation seat is characterized in that flat grounding hooks (9) are embedded in two sides of a tongue plate (6) of the insulation seat (1), a hook portion (10) is arranged at the top of the outer side of each grounding hook (9), a first material connecting surface (11) extends from the other side of the grounding hook (9), a filler groove (12) is formed in the first material connecting surface (11), and the edge of each hook portion (10) is exposed in hanging grooves (13) in two sides of the tongue plate (6).

2. The USB type-c connector according to claim 1, wherein: the upper row of terminals (3) and the lower row of terminals (4) respectively comprise two grounding terminals (14) positioned at two sides, the grounding hook (9) is clamped in the middle of the grounding terminals (14), and the top of the grounding terminal (14) is contacted with the grounding hook (9).

3. The USB type-c connector according to claim 1, wherein: the insulation seat is characterized in that positioning protrusions (15) are arranged on two sides of a base (5) of the insulation seat (1), and positioning grooves (16) matched with the positioning protrusions (15) in a positioning mode are arranged at the rear end of the metal shell (2).

4. The USB type-c connector according to claim 1, wherein: the packing groove (12) comprises a first packing groove (17) and a second packing groove (18).

5. The USB type-c connector according to claim 1, wherein: a reinforcing section (20) is arranged between the base (5) and the tongue plate (6), and the rear end of the grounding hook (9) extends to the reinforcing section (20).

6. The USB type-c connector according to claim 1, wherein: a second material connecting surface (23) extends from the upper end of a hook part (10) of the grounding hook (9), and the edge of the second material connecting surface (23) is flush with the edge of the tongue plate (6) of the insulating base (1).

7. The USB type-c connector according to claim 6, wherein: and a third packing groove (19) is formed in the second material connecting surface (23) of the grounding hook (9).

8. The USB type-c connector according to claim 1, wherein: the tops of the upper row of terminals (3) and the lower row of terminals (4) are flush.

9. The USB type-c connector according to claim 1, wherein: the rear ends of the plug-in parts (7) of the upper row of terminals (3) and the lower row of terminals (4) are arranged between the pin parts (21) in a staggered mode.

10. The USB type-c connector according to claim 1, wherein: the top of the first material connecting surface (11) is provided with a first material folding part (24), and the side surface of the grounding hook (9) is provided with a second material folding part (25).