Battery charger capable of preventing reverse installation

Abstract

The utility model relates to the field of battery charging, in particular to an anti-reverse-installation battery charger. The utility model provides an anti-reverse-installation battery charger which can prevent reverse installation of a battery, prevent sparks, overheating and even fire disasters caused by short circuit of a circuit, prevent the charger from being damaged, prolong the service life of the charger, and improve the use safety and convenience. An anti-reverse-installation battery charger comprises a charger body, a jack and the like, and the right side of the rear part of the charger body is connected with the jack. When the battery is installed correctly, the limiting frame moves to limit the sliding frame, and when the battery is installed reversely, the limiting frame cannot limit the sliding frame, so that whether the battery is installed reversely is judged according to whether the sliding frame and the negative contact can be pulled to move or not, the battery can be prevented from being installed reversely, and sparks, overheating and even fire disasters caused by short circuit are prevented; the device is prevented from being damaged, the service life of the device is prolonged, and the use safety and convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery charger, especially to a battery charger of anti-reverse installation. BACKGROUND

[0002] Battery is a kind of device that converts chemical energy into electrical energy, it generates current by internal chemical reaction, provides power for various electronic devices and systems, battery is everywhere in modern society, from portable electronic devices to electric vehicles, to industrial and medical equipment, cannot leave the support of battery, battery charger is a kind of device for transferring electrical energy from power supply to battery.

[0003] The existing battery charging is usually that battery is installed in charger, then the plug on charger is connected with power supply, and then battery is charged, however, the current battery charger does not have the function of anti-reverse installation, when battery is reversely installed and charged, it is easy to cause circuit short circuit, spark, overheat and even fire, seriously affect the safety of use and the service life of equipment, and use is more inconvenient.

[0004] Therefore, a battery charger of anti-reverse installation is needed, which can prevent circuit short circuit, spark, overheat and even fire caused by reverse installation of battery, prevent the damage of the device, prolong the service life of the device, improve the safety and convenience of use. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings that the current battery charger does not have the function of anti-reverse installation, when battery is reversely installed and charged, it is easy to cause circuit short circuit, spark, overheat and even fire, seriously affect the safety of use and the service life of equipment, and use is more inconvenient, the utility model provides a battery charger of anti-reverse installation, which can prevent circuit short circuit, spark, overheat and even fire caused by reverse installation of battery, prevent the damage of the device, prolong the service life of the device, improve the safety and convenience of use.

[0006] Technical scheme: a battery charger of anti-reverse installation, including charger body, socket, display screen, placing frame, shielding cover, mounting assembly and limiting assembly, the right side of the rear part of charger body is connected with socket, the upper right part of charger body is connected with display screen, the left part of charger body is connected with placing frame, the upper left part of charger body is rotatably connected with shielding cover, the mounting assembly for installing and charging battery is arranged on charger body, and the limiting assembly for preventing reverse installation of battery is arranged between charger body and mounting assembly.

[0007] In a preferred embodiment of the utility model, a plurality of grooves are formed in the placing frame.

[0008] In a preferred embodiment of the utility model, the installation assembly includes a guide plate, a negative terminal, a sliding frame, a first spring and a positive terminal, the guide plate is connected to the middle inner side of the charger body, a plurality of sliding frames are connected to the guide plate in a sliding manner, the negative terminal is connected to the upper side of the left part of the sliding frame, the negative terminal is connected to the placing frame in a sliding manner, the first spring is connected between the sliding frame and the guide plate at the same horizontal position, and the positive terminal is connected to the left side of the right part of the charger body.

[0009] In a preferred embodiment of the utility model, the sliding frame is I-shaped.

[0010] In a preferred embodiment of the utility model, the limiting assembly includes a pressing block, a pressing frame, a second spring, a guide block, a limiting frame and a third spring, the pressing block is connected to the positive terminal in a sliding manner, the pressing frame is connected to the right part of the pressing block, the second spring is connected between the pressing block and the positive terminal at the same horizontal position, the guide block is connected to the charger body, the limiting frame is connected to the guide block in a sliding manner, the limiting frame is in contact with the adjacent pressing frame, and the third spring is connected between the limiting frame and the guide block at the same vertical position.

[0011] In a preferred embodiment of the utility model, the lower part of the limiting frame is arc-shaped.

[0012] Compared with the prior art, the utility model has the following advantages: 1, the utility model for the battery installation is correct, can make the limiting frame move and limit the sliding frame, and when the battery is installed reversely, the limiting cannot be carried out, and then whether the sliding frame and the negative terminal can be pulled to move is judged to determine whether the battery is installed reversely, so that the battery can be prevented from being installed reversely, the circuit short circuit is prevented from causing sparks, overheating or even fire, the device is prevented from being damaged, the service life of the device is prolonged, and the safety and convenience of use are improved.

[0013] 2, the utility model is taken up by the battery, so that the battery is in contact with the negative terminal, then the negative terminal is moved, and then the sliding frame is moved, and after the battery is placed on the placing frame after being moved to the appropriate position, the other end of the battery is in contact with the positive terminal for installation, so that the battery installation of different specifications can be charged, the number of charging equipment is reduced, the charging cost is reduced, and the flexibility of use is improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the first partial three-dimensional structure of the utility model.

[0017] Figure 4 It is the second part of the utility model of the partial solid structure section view.

[0018] Figure 5 It is the second part of the utility model of the partial solid structure section view.

[0019] The marks of each component in the drawing are as follows: 1, charger body, 2, socket, 3, display screen, 4, placing frame, 5, shielding cover, 6, guide plate, 7, negative pole connector, 8, sliding frame, 9, first spring, 10, positive pole connector, 11, pressing block, 12, extrusion frame, 13, second spring, 14, guide block, 15, limiting frame, 16, third spring. DETAILED DESCRIPTION

[0020] First of all, it should be pointed out that in the different described embodiments, the same components are provided with the same reference signs or the same component names, wherein the disclosure contained in the entire specification can be transferred to the same components with the same reference signs or the same component names in meaning. The selected position descriptions in the specification, such as up, down, lateral and the like, also refer to the directly described and shown drawings and are transferred to the new positions in meaning when the positions are changed.

[0021] A battery charger capable of preventing reverse installation, as shown in Figures 1-5 The charger body 1 is connected with the socket 2 at the right side of the rear part, the display screen 3 is connected with the charger body 1 at the upper right part, the placing frame 4 is connected with the charger body 1 at the left part, four recesses are formed in the placing frame 4 for facilitating the installation of the battery, the shielding cover 5 is rotatably connected with the charger body 1 at the upper left part, the guide plate 6 is connected with the charger body 1 at the inner side of the middle part, four sliding frames 8 are slidably connected with the guide plate 6 at the upper side of the left part of the sliding frame 8, the sliding frame 8 is I-shaped, the negative pole connector 7 is connected with the sliding frame 8 at the upper side of the left part, the negative pole connector 7 is slidably connected with the placing frame 4, the first spring 9 is connected between the sliding frame 8 and the guide plate 6 at the same horizontal position, the positive pole connector 10 is connected with the charger body 1 at the left side of the right part, the pressing block 11 is slidably connected with the positive pole connector 10 at the upper side of the left part, the extrusion frame 12 is connected with the pressing block 11 at the right part, the second spring 13 is connected between the pressing block 11 and the positive pole connector 10 at the same horizontal position, the guide block 14 is connected with the charger body 1, the limiting frame 15 is slidably connected with the guide block 14, the limiting frame 15 is in contact with the adjacent extrusion frame 12, the limiting frame 15 is arc-shaped at the lower part for facilitating the limiting of the sliding frame 8, and the third spring 16 is connected between the limiting frame 15 and the guide block 14 at the same vertical position.

[0022] When the battery needs to be charged using a battery charger, the device can be used so that the charger body 1 is in contact with the desktop, the cover 5 is opened by rotating it with the hand, the charging wire is inserted into the socket 2, then the battery is taken out so that it is in contact with the negative terminal 7, then the battery is moved so that the negative terminal 7 is moved, and the sliding frame 8 is moved along the guide plate 6, the first spring 9 is stretched, the battery is placed in the groove of the placing frame 4 after being moved to the appropriate position, so that the other end of the battery is in contact with the positive terminal 10, and then the battery is installed, so that different specifications of batteries can be installed and charged, the number of charging equipment is reduced, the cost of charging is reduced, and the flexibility of use is improved. When the battery is installed correctly, the negative pole of the battery is in contact with the negative terminal 7, and the positive pole of the battery is in contact with the positive terminal 10 and the pressing block 11, so that the pressing block 11 is moved, the second spring 13 is pressed, and then the pressing frame 12 is moved to contact the limiting frame 15, so that the limiting frame 15 is moved along the guide block 14 and is clamped with the sliding frame 8, the lower part of the limiting frame 15 is arc-shaped, which is convenient for limiting the sliding frame 8, the third spring 16 is pressed, and then the sliding frame 8 is limited, and the sliding frame 8 is I-shaped. When the battery is installed reversely, the negative pole of the battery is in contact with the positive terminal 10, and the positive pole of the battery is in contact with the negative terminal 7, so that the pressing block 11 cannot be moved, and the sliding frame 8 cannot be limited, and then whether the battery is installed reversely is judged according to whether the sliding frame 8 and the negative terminal 7 can be moved. After being installed reversely, the battery is disassembled and reinstalled, after being installed correctly, the cover 5 is closed by rotating it with the hand, then the plug of the charging wire is connected with the power supply, so that the charger body 1 is electrified to charge the battery, so that the battery can be prevented from being installed reversely, sparks, overheating or even fire caused by circuit short circuit are prevented, the device is prevented from being damaged, the service life of the device is prolonged, and the safety and convenience of use are improved. During the charging process, the cover 5 is protected, the charging value is displayed on the display screen 3, after the charging is completed, the plug is disconnected with the power supply, so that the charger body 1 is de-energized, then the cover 5 is opened, the battery is taken out, so that the battery is separated from the negative terminal 7, the positive terminal 10 and the pressing block 11, the first spring 9 rebounds, the negative terminal 7 and the sliding frame 8 move reversely and reset, the second spring 13 rebounds, the pressing block 11 and the pressing frame 12 move reversely and reset, the third spring 16 rebounds, and the limiting frame 15 moves reversely and resets, then the cover 5 is closed.

[0023] Although the utility model is described in detail with reference to the above examples, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the utility model without departing from the principles and spirit of the utility model defined in the claims. Therefore, the detailed description of the embodiments of the disclosure is only used for explanation, not for limiting the utility model, and the protection range is defined by the content of the claims.

Claims

1. A battery charger that prevents reverse installation, characterized by comprising The charger body (1) is provided with a socket (2), a display screen (3), a placing frame (4), a shielding cover (5), an installation assembly and a limiting assembly.

2. A reverse-connection preventing battery charger according to claim 1, wherein A plurality of grooves are formed in the placing frame (4).

3. A reverse-connection preventing battery charger according to claim 2, wherein The installation assembly comprises a guide plate (6), a negative terminal (7), a sliding frame (8), a first spring (9) and a positive terminal (10).

4. A reverse-connection preventing battery charger according to claim 3, wherein The sliding frame (8) is I-shaped.

5. A reverse-connection preventing battery charger according to claim 4, wherein The limiting assembly comprises a pressing block (11), a pressing frame (12), a second spring (13), a guide block (14), a limiting frame (15) and a third spring (16).

6. A reverse-connection preventing battery charger according to claim 5, wherein The limiting frame (15) is arc-shaped at the lower part.

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