CN214176942U

CN214176942U - Quick charger

Info

Publication number: CN214176942U
Application number: CN202022910567.6U
Authority: CN
Inventors: 王中于; 王生辉
Original assignee: Guangzhou Zhongyiguang Electronics Technology Co ltd
Current assignee: Guangzhou Zhongyiguang Electronics Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-10
Anticipated expiration: 2030-12-04

Abstract

The utility model provides a quick charger, which comprises an upper cover plate, a lower cover plate and a shell main body, wherein the upper cover plate is connected with the top of the shell main body, the lower cover plate is connected with the bottom of the shell main body, and the quick charger also comprises a PCB circuit board arranged in the shell main body, and is characterized in that the PCB circuit board comprises a circuit board main body part and a circuit board connecting part; the inner part of the shell main body is provided with an interlayer, so that the shell main body is divided into an upper cavity and a lower cavity, and the interlayer is provided with a through hole for only allowing the circuit board connecting part to pass through; the circuit board main body part is arranged in the lower cavity, and silica gel is filled in the lower cavity; the circuit board connecting part penetrates through the through hole of the interlayer and is connected with an alternating current plug arranged in the upper cavity. The utility model discloses fill the charger soon and improve through the inner structure to the charger for it is internal to add the interlayer for the cavity of resorption is located to the circuit board main part, thereby can be to the whole space packing silica gel material of cavity of resorption.

Description

Quick charger

Technical Field

The utility model belongs to the technical field of electronic equipment, concretely relates to fill charger soon.

Background

The charger is a device for converting alternating current into low-voltage direct current, the charger has wide application in various fields, and particularly, the charger is widely applied to common electric appliances such as mobile phones, cameras and the like in the living field, is a static current transformation device which converts alternating current with fixed voltage and frequency into direct current by adopting power electronic semiconductor devices, is used everywhere in life and is an indispensable device. However, common chargers on the market all have a series of defects, for example, the charger is easy to heat in the charging process, a common charger cannot well dissipate heat, the heat dissipation efficiency is too low, and the heat dissipation problem of a quick-charging charger is particularly serious.

The charger is improved mainly in the following way aiming at insufficient heat dissipation of the charger, firstly, a heat dissipation structure is added, so that the charger needs more space and has larger volume, correspondingly, the assembly process of the charger becomes more complex, and the enterprise cost is increased; secondly, the components on the circuit board are subjected to local dispensing and local heat dissipation, so that the heat dissipation efficiency is still limited, and the reason that the existing charger structure cannot realize complete sealing and the glue solution flows out from an unsealed opening (a USB interface and a foldable plug) before solidification, so that the assembly process cannot realize complete glue filling.

Based on this, in order to effectively solve the heat dissipation problem of the charger, the structure of the charger needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fill charger soon solves among the prior art and fills the not enough that charger radiating efficiency hangs down soon.

In order to achieve the above object, the utility model adopts the following technical scheme:

a quick charger comprises an upper cover plate, a lower cover plate and a shell main body, wherein the upper cover plate is connected with the top of the shell main body; the inner part of the shell main body is provided with an interlayer, so that the shell main body is divided into an upper cavity and a lower cavity, and the interlayer is provided with a through hole for only allowing the circuit board connecting part to pass through; the circuit board main body part is arranged in the lower cavity, and silica gel is filled in the lower cavity; the circuit board connecting part penetrates through the through hole of the interlayer and is connected with an alternating current plug arranged in the upper cavity.

The utility model discloses in, the alternating current plug includes two metal inserted sheets and connects the plastic body of two metal inserted sheets.

Furthermore, the plastic body is cylindrical.

Preferably, the top surface of the interlayer is provided with a plug support with a support hole, and the alternating current plug is fixed on the support hole of the plug support through a plastic body, so that the alternating current plug rotates on the plug support.

The utility model discloses an among some embodiments, the last cavity of shell main part is equipped with electrically conductive shell fragment, electrically conductive shell fragment one end is connected with circuit board connecting portion, and the other end is connected with the contact of exchange plug metal insert.

Furthermore, an elastic sheet support is arranged on the top surface of the interlayer, and the conductive elastic sheet is fixed on the elastic sheet support.

The utility model discloses can do following improvement, two and exchange plug assorted notches have been seted up to the upper cover plate. Through setting up like this, the alternating current plug rotates the in-process, realizes exposing and accomodating of alternating current plug through this notch.

Furthermore, the bottom surface of the upper cover plate is provided with plastic rivets, and correspondingly, the top surface of the interlayer is provided with an installation support which is provided with fixing holes matched with the rivets.

Furthermore, there are two plastic rivets and two mounting supports.

The utility model discloses can further improve, the apron is provided with the USB hole down.

The utility model discloses following beneficial effect has:

(1) the utility model discloses fill the charger soon and improve through interior structure to the charger for it is internal to add the interlayer for the cavity of resorption is located to the circuit board main part, thereby can improve charger radiating efficiency to the whole space silica gel material of cavity of resorption.

(2) The utility model discloses fill the silica gel of charger embedment soon has good heat conductivility and insulating properties, though increased silica gel, has nevertheless reduced relevant materials such as fin, fixed glue, insulating piece and insulating tape, and overall material cost reduces adopts this charger structure of filling soon moreover, and the packaging process step of charger significantly reduces, has greatly simplified production technology, convenient and fast more.

(3) According to the invention, the interlayer is arranged, the plug support, the elastic sheet support and the mounting support are arranged on the interlayer and are respectively used for fixing the alternating current plug, the conductive elastic sheet and the upper cover plate rivet, and after the upper cover plate and the shell main body are subjected to ultrasonic welding, each part is firmly fixed, and the anti-falling capability is strong.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of the quick charger of the present invention;

fig. 2 is an exploded view of the quick charger of the present invention;

fig. 3 is a schematic top view of the quick charger of the present invention;

fig. 4 is a schematic bottom structure diagram of the quick charger of the present invention;

fig. 5 is a cross-sectional view of the main housing of the quick charger of the present invention;

fig. 6 is a schematic structural view of the quick charger of the present invention with the upper cover plate removed;

FIG. 7 is a schematic view of the top surface structure of the inner partition of the quick charger of the present invention;

fig. 8 is a schematic structural view of the upper cover plate of the quick charger of the present invention;

fig. 9 is a schematic structural diagram of the PCB of the quick charger of the present invention;

fig. 10 is a schematic structural view of the ac plug of the quick charger of the present invention;

fig. 11 is a schematic structural view of the conductive elastic piece of the quick charger of the present invention;

the drawings are numbered as follows: 1. a housing main body; 2. an upper cover plate; 3. a lower cover plate; 4. an AC plug; 5. a conductive spring plate; 6. a PCB circuit board; 7. an interlayer; 8. a plug support; 9. a spring plate support; 10. mounting a support; 11. a via hole; 12. a notch; 13. riveting; 14. a USB hole; 501. an elastic portion; 502. a fixed part; 503. a spring plate connecting part; 601. a circuit board main body portion; 602. a circuit board connecting portion.

Detailed Description

As shown in fig. 1-11, the quick charger includes an upper cover plate 2, a lower cover plate 3, an ac plug 4, a conductive spring 5, a PCB circuit board 6 and a main housing 1.

The inner part of the shell main body 1 is provided with an interlayer 7, so that the shell main body 1 is divided into an upper cavity and a lower cavity, and the interlayer 7 is provided with a conducting hole 11. The PCB 6 includes a circuit board body 601 and a circuit board connecting portion 602, the circuit board body 601 is disposed in the lower cavity of the housing body 1, and the rest space of the lower cavity is filled with a silica gel material (not shown in the figure), so as to achieve good heat dissipation through the silica gel material and fix the circuit board and its electrical components; the circuit board connecting part 602 penetrates through the via hole 11 of the partition 7, and the size and the thickness of the circuit board connecting part 602 are equivalent to those of the via hole 11, so that the silica gel cannot flow out of the via hole 11 in the process of filling the silica gel.

The top surface of the interlayer 7 is provided with a plug support 8, and the plug support 8 is provided with two supporting holes; the front and the back of the plug support 8 are respectively provided with an installation support 10, and the installation supports 10 are provided with fixing holes; the left side and the right side of the plug support 8 are respectively provided with an elastic sheet support 9. The alternating current plug 4 comprises two metal insertion pieces and a cylindrical plastic body connected with the two metal insertion pieces, and the alternating current plug 4 is fixed on a supporting hole of the plug support 8 through the plastic body, so that the alternating current plug 4 can rotate on the plug support 8. The conductive elastic piece 5 includes an elastic portion 501, a fixing portion 502, and an elastic piece connecting portion 503. Two conductive elastic pieces 5 are arranged, and each conductive elastic piece 5 is fixed on the elastic piece support 9 through the fixing part 502; the elastic sheet connecting part 503 of the conductive elastic sheet 5 is fixedly connected with the circuit board connecting part 602, and the elastic part 501 is in contact connection with the metal insert of the alternating current plug 4.

The upper cover plate 2 is connected with the top of the shell main body 1, the upper cover plate 2 is provided with two notches 12 matched with the alternating current plug 4, and the alternating current plug 4 convenient to rotate is exposed out of the shell main body 1 for use and is accommodated in the shell main body 1 to reduce the occupied space. Two plastic rivets 13 are arranged on the bottom surface of the upper cover plate 2, each rivet 13 is matched with a fixing hole of one mounting support 10, and the upper cover plate 2 is connected with the shell main body 1 more stably through the rivets 13 and the fixing holes. The lower cover plate 3 is connected with the bottom of the shell body 1, three USB holes 14 are arranged on the lower cover plate 3 and used for installing a USB terminal connector arranged on a circuit board, and power supply of external equipment is connected with the USB terminal through a USB wire for supplying power.

The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims

1. A quick charger comprises an upper cover plate (2), a lower cover plate (3) and a shell main body (1), wherein the upper cover plate (2) is connected with the top of the shell main body (1), the lower cover plate (3) is connected with the bottom of the shell main body (1), and the quick charger also comprises a PCB (printed circuit board) (6) arranged in the shell main body (1), and is characterized in that the PCB (6) comprises a circuit board main body part (601) and a circuit board connecting part (602); an interlayer (7) is arranged in the shell main body (1), so that the shell main body (1) is divided into an upper cavity and a lower cavity, and a through hole (11) for only allowing the circuit board connecting part (602) to pass through is formed in the interlayer (7); the circuit board main body part (601) is arranged in the lower cavity, and silica gel is filled in the lower cavity; the circuit board connecting part (602) penetrates through the through hole (11) of the interlayer (7) to be connected with an alternating current plug (4) arranged in the upper cavity.

2. The quick charger according to claim 1, wherein the ac plug (4) comprises two metal blades and a plastic body connecting the two metal blades.

3. The quick-charging charger according to claim 2, wherein the plastic body is cylindrical.

4. The quick charger according to claim 3, wherein the top surface of the partition (7) is provided with a plug support (8) with a support hole, and the AC plug (4) is fixed on the support hole of the plug support (8) through a plastic body, so that the AC plug (4) rotates on the plug support (8).

5. The quick charger according to claim 4, wherein the upper cavity of the main housing (1) is provided with a conductive spring (5), one end of the conductive spring (5) is connected with the circuit board connecting part (602), and the other end is in contact connection with the metal insert of the AC plug (4).

6. The quick charger according to claim 5, wherein the top surface of the interlayer (7) is provided with a spring support (9), and the conductive spring (5) is fixed on the spring support (9).

7. The quick charger according to claim 6, characterized in that the upper cover plate (2) is provided with two notches (12) matching with the AC plug (4).

8. The quick charger according to claim 7, characterized in that the upper cover plate (2) is provided with plastic rivets (13) on the bottom surface, and correspondingly, the top surface of the interlayer (7) is provided with mounting supports (10), and the mounting supports (10) are provided with fixing holes matched with the rivets (13).

9. Quick charger according to claim 8, characterized in that there are two plastic rivets (13) and two mounting seats (10).

10. Quick charger according to claim 9, characterized in that said lower cover plate (3) is provided with a USB hole (14).