CN219833078U

CN219833078U - High-current quick-charging USB connector

Info

Publication number: CN219833078U
Application number: CN202321120317.XU
Authority: CN
Inventors: 高炳炜
Original assignee: Shenzhen Sydixon Electronic Technology Co ltd
Current assignee: Shenzhen Sydixon Electronic Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-10-13
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a high-current quick-charging USB connector which comprises a shell, a plastic body arranged in an inner cavity of the shell and a PCB (printed circuit board) arranged in the plastic body, wherein a plurality of sheet-shaped power supply and signal PIN golden fingers are arranged at the front part of the upper surface of the PCB, the upper surfaces of the power supply and signal PIN golden fingers protrude out of the outer surface of the plastic body, an ID PIN golden finger is arranged in the middle of the PCB, an ID terminal is detachably arranged on the plastic body, and the ID terminal is attached to the upper surface of the ID PIN golden finger. The high-current quick-charging USB connector has a simple and compact structure, can fully utilize the space utilization rate of the shell, and can effectively improve the structural strength of the state sensing terminal.

Description

High-current quick-charging USB connector

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to a high-current quick-charging USB connector.

Background

The current USB connector mostly adopts a stamping method to form a group of terminal structures on a metal plate. In order to maintain the stress balance and the terminal strength of the metal, the conductive terminal has a long end-to-end extension distance and a complicated three-dimensional extension shape, so that the metal shell has a large volume, but the utilization rate of the internal space is very low. In addition, a relatively independent state sensing terminal exists in the current USB connector, and is used for sensing a specific circuit state or a specific connection state in a plug-in combination mode. This is particularly important for device connections that require high current fast charging. But in the frequent grafting process, the connection impact stress of the state sensing terminal is more outstanding, and is influenced by the existing stamping structure, and once metal fatigue occurs, the USB connector is easily broken, and then the USB connector is scrapped as a whole.

Therefore, how to design a high-current quick-charge USB connector that can solve the above technical problems is a subject of intensive research by the present inventors.

Disclosure of Invention

The utility model aims to provide a high-current quick-charging USB connector which is simple and compact in structure, can fully utilize the space utilization rate of a shell and can effectively improve the structural strength of a state sensing terminal.

In order to achieve the above object, the technical solution of the present utility model is: the utility model provides a heavy current fills USB connector soon, includes the shell, install in the plastic body of shell inner chamber and set up in PCB board in the plastic body, wherein the anterior position of upper surface of PCB board is equipped with a plurality of flaky power and signal PIN golden finger, a plurality of the upper surface of power and signal PIN golden finger protrusion in the surface of plastic body.

The high-current quick-charging USB connector is characterized in that an ID PIN finger is arranged in the middle of a PCB, an ID terminal is detachably arranged on the plastic body, and the ID terminal is attached to the upper surface of the ID PIN finger.

The utility model relates to a high-current quick-charging USB connector, wherein a plurality of welding cups are arranged at the rear part of the upper surface of a PCB (printed circuit board), and the welding cups protrude out of the outer surface of a plastic body.

The utility model relates to a high-current quick-charging USB connector, wherein a shell and a plastic body are connected together through a buckle structure.

The utility model discloses a high-current quick-charging USB connector, wherein the buckling structure comprises at least one protrusion arranged on the inner cavity wall of a shell and at least one groove arranged on a corresponding part of a plastic body, and the shell and the plastic body are buckled together through the groove and the protrusion.

The utility model relates to a high-current quick-charging USB connector, wherein the middle part of a plastic body is a convex lug, the middle part of the lug is provided with an assembly groove penetrating through the front surface and the upper surface of the lug, and an ID terminal is inserted into the assembly groove.

The utility model relates to a high-current quick-charging USB connector, wherein a sleeve body is arranged on the outer surface of the rear part of a plastic body, the front end of the sleeve body is arranged on the outer surface of the rear part of a convex block, a plurality of welding cups protrude out of the outer surface of the sleeve body, and the rear end of a shell is propped against the front end of the sleeve body.

The utility model relates to a high-current quick-charging USB connector, wherein an electronic material is arranged at one side of the middle part of a PCB positioned on an ID PIN golden finger.

The utility model relates to a high-current quick-charging USB connector, wherein a chip is arranged at the other side of the ID PIN golden finger at the middle part of a PCB.

According to the high-current quick-charging USB connector, the PCB and the plastic body are provided with the holes at the positions between the power supply and the signal PIN fingers and between the ID PIN fingers, and the front ends of the ID PIN fingers extend into the holes.

After the scheme is adopted, the high-current quick-charging USB connector has the following beneficial effects:

1. the utility model makes full use of the characteristics that the PCB bears complex circuits and electronic materials, improves the topological structure of the terminals into a flattened design on the PCB, sets a plurality of terminals at the front position of the upper surface of the PCB, sets a plurality of solder cups at the rear position of the upper surface of the PCB, and sets chips and electronic materials at the middle position of the PCB, thus the arrangement not only reduces the interference to the internal circuits of the PCB, but also reduces the whole space volume of the PCB, effectively improves the space utilization rate of the shell, and ensures that the USB connector has simple and compact whole structure and small volume.

2. According to the utility model, the flaky ID PIN golden finger is arranged in the middle of the PCB, the assembling groove is arranged on the middle bump part of the plastic body, the ID terminal is detachably arranged on the assembling groove, so that the ID terminal and the ID PIN golden finger are attached to realize the fixed conduction function of the two, whether a butt-joint socket supports large current or not can be detected by the independently added ID terminal, the state sensing terminal is improved to be a conduction structure of the independently ID terminal and the flaky ID PIN golden finger on the PCB by flattening the released accommodating space, and the structural strength of the ID terminal is improved.

Drawings

FIG. 1 is a schematic perspective view of a high current quick-fill USB connector according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure on a PCB of the high-current quick-charge USB connector of the present utility model;

FIG. 3 is a schematic diagram of a plastic body structure of a high-current quick-fill USB connector according to the present utility model;

fig. 4 is a perspective exploded view of the high current quick charge USB connector of the present utility model.

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings;

Detailed Description

As shown in fig. 1, the high-current quick-charging USB connector of the present utility model includes a housing 1, a plastic body 2 mounted in an inner cavity of the housing 1, and a PCB 3 disposed in the plastic body 2. Referring to fig. 4, the casing 1 of this embodiment adopts a rectangular box structure with front and rear openings, and the PCB 3 adopts a T-shaped board which is horizontally placed.

Referring to fig. 2, a plurality of sheet-shaped power and signal PIN golden fingers 4 are arranged in front of the upper surface of the PCB 3, i.e. at the position of the T-shaped plate far away from the vertical plate of the horizontal plate, from left to right, and the number of the power and signal PIN golden fingers 4 in the embodiment is four. The four power and signal PIN fingers 4 protrude from the outer surface of the plastic body 2. The upper surface rear portion of the PCB 3, namely the horizontal plate portion that is located the T shaped plate is equipped with a plurality of welding cups 5 from left to right interval, and this embodiment welding cup 5 adopts the tin plate welding cup, leads to the welding requirement that adds tin in welding cup 5 department can realize different wire rod sizes. The number of the welding cups 5 is four, and the welding cups are all sheet-shaped. The four welding cups 5 protrude from the outer surface of the plastic body 2.

The central point in the middle of the upper surface of PCB board 3 is equipped with flaky ID PIN golden finger 6, and the upper surface middle part of PCB board 3 is located ID PIN golden finger 6's right side and is equipped with electron material 7, is located ID PIN golden finger 6's left side and is equipped with chip 8. The chip 8 and the electronic material 7 are additionally arranged on the PCB 3, so that different functions can be realized.

The plastic body 2 is provided with a rectangular plate, a rectangular protruding block 9 protruding upwards is arranged in the middle of the rectangular plate, and an ID terminal 11 is detachably arranged on the protruding block 9. Specifically, an assembly groove 10 penetrating the front and upper surfaces of the boss 9 is provided in the middle of the boss, and the size of the front opening end of the assembly groove 10 is smaller than the bottom size of the rear end groove. The ID terminal 11 is inserted into the assembly groove 10. Referring to fig. 3, the ID terminal 11 is a separately added terminal having a shape similar to that of a key, and is formed by integrally injection molding a plastic block 12 and a terminal piece 13, wherein the terminal piece 13 is molded on the lower surface of the plastic block 12, and the tip of the terminal piece 13 is curved downward. The ID PIN golden finger 6 protrudes out of the outer surface of the plastic body 2, and the lower surface of the terminal plate 13 is attached to the upper surface of the ID PIN golden finger 6.

A round hole 14 is formed in the PCB 3 and the plastic body 2 at a position between the power supply and signal PIN finger 4 and the ID PIN finger 6, and the front end of the terminal plate 13 extends into the round hole 14.

The rear outer surface of the plastic body 2 is provided with a sleeve body 15, the front end of the sleeve body 15 is arranged on the rear outer surface of the convex block 9, and the four welding cups 5 protrude out of the outer surface of the sleeve body 15.

The shell 1 and the plastic body 2 are connected together through a buckle structure. Referring to fig. 4, the fastening structure includes two protrusions 16 disposed on the upper wall of the inner cavity of the housing 1 and two grooves 17 disposed on the corresponding portion of the upper surface of the plastic body 2. The two protrusions 16 of this embodiment are formed by forming two C-shaped holes in left and right portions of the upper surface of the housing 1, and then bending down the portion surrounded by the C-shaped holes. The shell 1 and the plastic body 2 are connected together in a buckling way through two protrusions 16 and two grooves 17. The rear end of the housing 1 abuts against the front end of the sleeve 15.

The high-current quick-charging USB connector fully utilizes the characteristics that the PCB 3 bears complex circuits and electronic materials, designs four power supplies and signal PIN golden fingers 4 into sheets and is arranged on the PCB 3, and replaces the existing terminal structure with complex shape punched on the PCB. And set up four power and signal PIN golden finger 4 in the front portion position of the upper surface of PCB board 3, set up four welding cups 5 in the rear portion position of PCB board 3 upper surface, and set up chip 8, electron material 7 in the middle part position of PCB board 3, set up like this and not only reduced the interference to the internal circuit of PCB board 3, reduced the whole space volume of PCB board 3 moreover, effectively improved the space utilization of shell 1, and make the overall structure of USB connector simple compact, small. Through setting up slice ID PIN golden finger 6 in the middle part of PCB board 3, set up equipment groove 10 on the lug 9 that plastic body 2 is located the middle part, thereby the fixed switching-on function of realization two is laminated with ID PIN golden finger 6 to detachable installation ID terminal 11 on equipment groove 10, thereby can detect the socket of butt joint through the ID terminal 11 that singly increases and support the heavy current, through the accommodation space that the flattening released to state perception terminal improvement for the conduction structure of slice ID terminal 11 and PCB board 3 on the contact of ID PIN golden finger 6, the structural strength of ID terminal 11 has been promoted, with PCB board 3, four power and signal PIN golden finger 4 and.

The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. The utility model provides a heavy current fills USB connector soon, includes the shell, install in the plastic body of shell inner chamber and set up in PCB board in the plastic body, its characterized in that, the anterior position of upper surface of PCB board is equipped with a plurality of flaky power and signal PIN golden finger, a plurality of the upper surface of power and signal PIN golden finger protrusion in the surface of plastic body.

2. The high-current quick-charge USB connector according to claim 1, wherein an ID PIN finger is arranged in the middle of the PCB, an ID terminal is detachably arranged on the plastic body, and the ID terminal is attached to the upper surface of the ID PIN finger.

3. The high-current quick-charge USB connector of claim 2, wherein a plurality of solder cups are disposed at a rear portion of the upper surface of the PCB, and the plurality of solder cups protrude from the outer surface of the plastic body.

4. The high current flash-charge USB connector of claim 1, wherein the housing and the plastic body are coupled together by a snap-fit structure.

5. The high-current quick-fill USB connector of claim 4, wherein the snap-fit structure includes at least one protrusion disposed on a wall of the housing cavity and at least one recess disposed on a corresponding portion of the plastic body, the housing and the plastic body being snap-fit together through the recess and the protrusion.

6. The high-current quick-fill USB connector of claim 3, wherein the plastic body has a raised bump in the middle thereof, wherein the bump has an assembly slot extending through the front and top surfaces thereof, and wherein the ID terminal is inserted into the assembly slot.

7. The high-current quick-charge USB connector of claim 6, wherein a rear outer surface of the plastic body is provided with a sleeve, a front end of the sleeve is disposed on a rear outer surface of the bump, the plurality of solder cups protrude from the outer surface of the sleeve, and a rear end of the housing abuts against the front end of the sleeve.

8. The high-current quick-charge USB connector of claim 2, wherein the middle of the PCB is provided with an electronic material on a side of the ID PIN gold finger.

9. The high-current quick-charge USB connector of claim 8, wherein a chip is disposed on the other side of the ID PIN gold finger in the middle of the PCB.

10. The high-current quick-charge USB connector of claim 2, wherein a hole is formed in the PCB and the plastic body between the power supply and the signal PIN and the ID PIN, and a front end of the ID PIN extends into the hole.