CN221900575U - Battery charger with plane rear cover - Google Patents

Abstract

The utility model relates to a battery charger with a flat back cover, comprising a shell and a back cover; a shell cavity with an opening at one end is provided in the shell, and the back cover is a flat back cover, which covers the shell cavity opening of the shell and is fixedly connected to the shell. The shell and the back cover are fixedly connected by bolts. Vests are fixedly installed on the side walls of the shell. Through the utility model, the structure of the previous structure of a first cavity with an opening at one end in the front shell and a second cavity with an opening at one end in the rear shell is changed. In the utility model, the shell corresponds to the previous front shell, and the back cover corresponds to the previous rear shell. A shell cavity with an opening at one end is provided in the shell, and the back cover is designed as a flat back cover, which covers the shell cavity opening of the shell and is fixedly connected to the shell. The strength of the overall shell of the battery charger is improved, and it has great market application and promotion value.

Description

A battery charger with a flat rear cover

Technical Field

The utility model relates to a battery charger with a plane rear cover, belonging to the technical field of charger design.

Background Art

As electric bicycles become more and more popular, chargers for charging electric bicycles are becoming more and more important. Existing chargers include a charger shell and a mainboard arranged in the charger shell, and the charger shell plays a role in protecting the mainboard. The shell of the existing charger includes a front shell and a rear shell, the front shell has a first cavity with an opening at one end, the rear shell has a second cavity with an opening at one end, the front shell and the rear shell are screwed and fixedly connected, and the first cavity and the second cavity together form a receiving cavity; thus, the contact point between the front shell and the rear shell is located in the middle of the side of the charger shell, and the drop resistance is poor.

Utility Model Content

The utility model aims to overcome the deficiencies of the prior art and provide a battery charger with a flat rear cover which has a reasonable structure and can resist falling.

In order to achieve the above-mentioned purpose of the utility model, the technical solution adopted by the utility model is as follows: a battery charger with a flat back cover, comprising a shell and a back cover; its characteristics are: a shell cavity with an opening at one end is provided in the shell, the back cover is a flat back cover, the back cover covers the shell cavity opening of the shell, and is fixedly connected to the shell.

The shell and the rear cover are fixedly connected via bolts.

Vests are fixedly mounted on the side walls of both sides of the shell.

The mainboard is fixedly mounted on the back cover; an input plug and an output line are also provided; input plug mounting holes and output line through holes are provided on the side walls of both sides of the shell; the input plug is fixedly mounted in the input plug mounting hole; the input plug is electrically connected to the mainboard; the output line is electrically connected to the mainboard; the input plug is plug-connected to the output plug on the external input line, and the input line can be pulled out from the input plug.

The shell is provided with a button installation hole, on which a button is installed. The button is electrically connected to the mainboard and is used to start the mainboard to start the charging mode, or to shut down the mainboard to shut down the charging mode.

The mainboard is provided with a display panel which is electrically connected to the mainboard, and the shell is provided with a display window; when the shell and the back cover are installed and fixed, the mainboard extends into the shell cavity of the shell, and the display window on the shell corresponds to the display panel on the mainboard.

The input plug is electrically connected to the mainboard via a wire.

The conductive insert on the input plug faces outside the housing.

The shell is provided with a heat dissipation grille, the mainboard is provided with a fan connected thereto, the fan corresponds to the heat dissipation grille, and when the fan is started, heat is dissipated in the shell cavity through the heat dissipation grille.

The utility model has a reasonable structure. Through the utility model, a battery charger with a flat back cover is provided. The structure changes the previous structure of a first cavity with an opening at one end in the front shell and a second cavity with an opening at one end in the rear shell. In the utility model, the outer shell corresponds to the previous front shell, and the back cover corresponds to the previous rear shell. A shell cavity with an opening at one end is provided in the shell. The back cover is designed as a flat back cover. The back cover covers the shell cavity opening of the shell and is fixedly connected to the shell. The junction between the outer shell and the back cover is not in the middle of the side of the overall shell of the battery charger, but at the shell opening, thereby improving the strength of the overall shell. Furthermore, vests are fixedly installed on the other two side walls of the shell to further improve the strength.

Furthermore, through the utility model, the existing direct connection between the input line and the mainboard in the battery charger is changed to an external input line plug-in connection with the input plug, the input plug is fixed to the input plug mounting hole, and the input plug is electrically connected to the mainboard. This makes it convenient to separate the input line from the battery charger and to carry the battery charger. At the same time, a button mounting hole is provided on the housing, a button is installed on the button mounting hole, and the button is electrically connected to the mainboard, so that the mainboard can be activated to turn on the charging mode, or the mainboard can be turned off to turn off the charging mode, thereby improving the safety of the charger and preventing the charger from starting to work after power is turned on.

Furthermore, a display panel electrically connected to the mainboard is provided on the mainboard, and a display window is provided on the shell; when the shell and the back cover are fixedly installed, the mainboard extends into the shell cavity of the shell, and the display window on the shell corresponds to the display panel on the mainboard. It is convenient to view the charging information displayed on the display panel through the display window.

In addition, the conductive tabs on the input plug face the outside of the housing, facilitating plug-in connection with the output plug on the input line.

In the utility model, a heat dissipation grille is installed on the shell, and a fan is installed and connected to the mainboard, and heat can be dissipated in the shell cavity through the fan and the heat dissipation grille.

The utility model improves the strength of the overall shell of the battery charger and has great market application and promotion value.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is an exploded schematic diagram of the utility model;

In the figure: 1 button, 2 vest, 3 shell, 4 display board, 5 fan, 6 output line, 7 back cover, 8 main board, 9 input plug, 10 display window, 11 button mounting hole.

DETAILED DESCRIPTION

The utility model is further described below in conjunction with the accompanying drawings and the accompanying drawings.

A battery charger with a flat back cover comprises a shell 3 and a back cover 7; a shell cavity with an opening at one end is provided in the shell 3, and the back cover 7 is a flat back cover, which covers the shell cavity opening of the shell 3 and is fixedly connected to the shell 3, and the shell 3 and the back cover 7 are fixedly connected by bolts. To further improve the strength, a vest 2 is fixedly installed on both side walls of the shell 3.

Furthermore, a mainboard 8 is fixedly mounted on the rear cover 7; an input plug 9 and an output line 6 are also provided, and input plug mounting holes and output line through holes are opened on both side walls of the housing 3. The input plug 9 is fixedly mounted in the input plug mounting hole, the input plug 9 is electrically connected to the mainboard 8, and the output line 6 is electrically connected to the mainboard 8; the input plug 9 is plugged into the output plug on the external input line, and the input line can be unplugged from the input plug 9.

A button mounting hole 11 is provided on the housing 3 , and a button 1 is installed on the button mounting hole 11 . The button 1 is electrically connected to the mainboard 8 and is used to start the mainboard 8 to start the charging mode, or to shut down the mainboard 8 to shut down the charging mode.

A display panel 4 is arranged on the main board 8, and the display panel 4 is electrically connected to the main board 8. A display window 10 is arranged on the outer shell 3. When the outer shell 3 and the back cover 7 are installed and fixed, the main board 8 extends into the outer shell cavity of the outer shell 3, and the display window 10 on the outer shell 3 corresponds to the display panel 4 on the main board 8.

Furthermore, the input plug 9 is electrically connected to the mainboard 8 via a wire. The conductive plug on the input plug 9 faces the outside of the housing 3. A heat dissipation grille is installed on the housing 3, and a fan 5 is installed and connected to the mainboard 8. The fan 5 corresponds to the heat dissipation grille. When the fan 5 is started, the heat in the housing cavity is dissipated through the heat dissipation grille.

Claims (9)

1. A battery charger with a flat rear cover, comprising a housing (3) and a rear cover (7); wherein the housing (3) is provided with a housing cavity with an opening at one end, the rear cover (7) is a flat rear cover, the rear cover (7) covers the housing cavity opening of the housing (3), and is fixedly connected to the housing (3). 2. A battery charger with a flat rear cover according to claim 1, characterized in that the housing (3) and the rear cover (7) are fixedly connected by bolts. 3. A battery charger with a flat rear cover according to claim 1, characterized in that: a vest (2) is fixedly mounted on both side walls of the housing (3). 4. A battery charger with a flat rear cover according to claim 1, characterized in that: a main board (8) is fixedly mounted on the rear cover (7); an input plug (9) and an output line (6) are also provided; input plug mounting holes and output line through holes are provided on the side walls of the housing (3); the input plug (9) is fixedly mounted in the input plug mounting holes; the input plug (9) is electrically connected to the main board (8); the output line (6) is electrically connected to the main board (8); the input plug (9) is plug-connected to the output plug on the external input line; the input line can be pulled out from the input plug (9). 5. A battery charger with a flat rear cover according to claim 4, characterized in that: a button mounting hole (11) is opened on the housing (3), a button (1) is installed on the button mounting hole (11), and the button (1) is electrically connected to the main board (8) to start the main board (8) to start the charging mode, or to turn off the main board (8) to turn off the charging mode. 6. A battery charger with a flat rear cover according to claim 4, characterized in that: a display panel (4) is provided on the main board (8), the display panel (4) is electrically connected to the main board (8), and a display window (10) is provided on the housing (3); when the housing (3) and the rear cover (7) are installed and fixed, the main board (8) extends into the housing cavity of the housing (3), and the display window (10) on the housing (3) corresponds to the display panel (4) on the main board (8). 7. A battery charger with a flat rear cover according to claim 4, characterized in that: the input plug (9) is electrically connected to the main board (8) via a wire. 8. A battery charger with a flat rear cover according to claim 4, characterized in that: the conductive insert on the input plug (9) faces the outside of the housing (3). 9. A battery charger with a flat rear cover according to claim 4, characterized in that: a heat dissipation grille is installed on the housing (3), a fan (5) is installed and connected to the main board (8), the fan (5) corresponds to the heat dissipation grille, and the fan (5) is started to dissipate heat in the housing cavity through the heat dissipation grille.