Vehicle-mounted charger

Abstract

The utility model discloses a vehicle-mounted charger, and aims to provide a vehicle-mounted charger convenient for mounting and dismounting a circuit board, the vehicle-mounted charger comprises a shell and the circuit board, the opening end of the shell is provided with a cover plate, the shell is detachably connected with the cover plate, and the circuit board is located in a cavity formed by the shell and the cover plate. The left side wall and the right side wall of the shell are respectively provided with a slot matched with the edge of the circuit board, the circuit board is connected into the shell in a pluggable mode through the fact that the edge of the circuit board is matched with the slots, the left side and the right side of the cover plate are respectively provided with a clamping groove matched with the circuit board, a charging interface is fixed to the circuit board, and the bottom of the shell is provided with an assembly opening matched with the charging interface. The charging interface is installed in the assembly port. The beneficial effects of the utility model are that the circuit board is convenient to assemble and disassemble; according to the scheme, the output adopts Type C 18W, meanwhile, charging protocols such as BC1.2, Divider Mode, 1.2 V / 1.2 V Mode and QC 3.0 are supported, fast charging protocols of different electronic devices are supported, and the charging speed is higher than that of a traditional USB device; the structure installation mode is simple and reliable, and the appearance size is small.

Description

Technical Field

[0001] The utility model relates to the technical field related to vehicle chargers, in particular to a vehicle charger. Background Art

[0002] Cars are becoming more and more common in people's lives, and in-car Type C USB chargers have become an indispensable component, making it convenient for passengers to transmit data or charge mobile phone batteries.

[0003] In the prior art, the installation and disassembly structure of the vehicle-mounted Type C USB charger is relatively complicated, especially the internal circuit boards are all fixed by pre-punching holes and then connected by bolts or other connectors, which makes installation and disassembly inconvenient. Utility Model Content

[0004] The utility model aims to overcome the inconvenience of installing and disassembling a circuit board in the prior art and provides a vehicle charger which is convenient for installing and disassembling the circuit board.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A vehicle charger comprises a shell and a circuit board, wherein an open end of the shell is provided with a cover plate, the shell and the cover plate are detachably connected, the circuit board is located in a cavity formed by the shell and the cover plate, left and right side walls of the shell are provided with slots matching the edges of the circuit board, the circuit board is plugged and connected in the shell by matching its edges with the slots, left and right sides of the cover plate are provided with card slots matching the circuit board, a charging interface is fixed on the circuit board, an assembly port matching the charging interface is provided at the bottom of the shell, and the charging interface is installed in the assembly port.

[0007] The open end of the shell is provided with a cover plate, the shell and the cover plate are detachably connected, the circuit board is located in the cavity formed by the shell and the cover plate, the left and right side walls of the shell are provided with slots matching the edges of the circuit board, the circuit board is plugged and connected in the shell through its edges matching the slots, the left and right sides of the cover plate are provided with card slots matching the circuit board, a charging interface is fixed on the circuit board, the bottom of the shell is provided with an assembly port matching the charging interface, and the charging interface is installed in the assembly port. The circuit board is inserted into the slots on the left and right sides of the shell through its left and right side edges respectively, until the charging interface is inserted into the assembly port and the other edge of the circuit board is stuck in the card slot, and then the cover plate is covered to limit the circuit board in the shell, so as to facilitate the installation and removal of the circuit board; the output of this solution adopts Type C18W, and supports charging protocols such as BC1.2, Divider Mode, 1.2V / 1.2V Mode, QC 3.0, etc., supports fast charging protocols of different electronic devices, and the charging speed is faster than that of traditional USB devices.

[0008] Preferably, the bottom of the housing protrudes outward to form a rectangular convex block, and the charging interface is located on the rectangular convex block. The rectangular convex block is beneficial to improving the strength of the charging interface on the one hand, and is convenient for the installation and positioning of the charger on the other hand.

[0009] Preferably, both left and right sides of the opening end of the shell are provided with limit grooves, and both left and right sides of the cover plate are provided with limit protrusions matching the corresponding limit grooves, and the limit protrusions are fixedly connected to the cover plate. When the cover plate is installed on the shell, inserting the limit protrusions into the corresponding limit grooves plays a good role in indicating the limit of the installation of the cover plate, and the operation is simple.

[0010] Preferably, the two limiting protrusions are both located on the inner side of the cover plate, and a rectangular frame matching the opening end of the shell is provided on the inner side of the cover plate, and the rectangular frame is located between the two limiting protrusions and fixedly connected to the cover plate, and two card slots are respectively located on the left and right sides of the rectangular frame, and the left and right sides of the rectangular frame are provided with card slots matching the circuit board, and one or more card blocks are fixed on the front and rear sides of the rectangular frame, and the front and rear side walls of the opening end of the shell are provided with card slots matching the corresponding card blocks, and the cover plate is connected to the opening end of the shell by the card blocks matching the corresponding card slots. After the circuit board is inserted into the slots on the left and right sides of the shell through its edge, the cover plate is installed on the shell, and in this process, the limiting protrusion is inserted into the corresponding limiting slot and the rectangular frame is inserted into the opening end of the shell, so that the edge of the circuit board is stuck into the card slot, further improving the positioning effect of the circuit board after installation, and at the same time improving the installation strength and sealing of the cover plate and the shell, at this time, the cover plate is connected to the shell by the card blocks matching the corresponding card slots, and the structural installation method is simple and reliable, and the appearance volume is small.

[0011] Preferably, both left and right sides of the bayonet are provided with opening grooves, and the depth of the opening grooves is greater than or equal to the maximum vertical distance from the bayonet to the opening end of the shell, so as to facilitate the buckle connection between the card block and the corresponding bayonet.

[0012] Preferably, the front and rear edges of the cover plate are both provided with notches corresponding to the card blocks, and the notches are located on the sides of the rectangular frame. The notches facilitate the separation of the card blocks from the bayonet, thereby facilitating the removal of the housing and the cover plate.

[0013] Preferably, the circuit board is provided with PIN pins, and the outer side surface of the cover plate is provided with ports matching the PIN pins.

[0014] The beneficial effects of the utility model are: it is easy to install and disassemble the circuit board; the output of this solution adopts Type C 18W, and supports charging protocols such as BC1.2, Divider Mode, 1.2V / 1.2V Mode, QC 3.0, etc., supports fast charging protocols for different electronic devices, and the charging speed is faster than traditional USB devices; the structural installation method is simple and reliable, and the appearance is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 It is the front view of the utility model;

[0018] Figure 4 yes Figure 3 Sectional view of AA.

[0019] In the figure: 1. housing, 2. circuit board, 3. cover, 4. slot, 5. charging port, 6. assembly port, 7. rectangular protrusion, 8. limiting slot, 9. limiting protrusion, 10. rectangular frame, 11. card slot, 12. card block, 13. card port, 14. opening slot, 15. notch, 16. PIN pin, 17. port. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4In the described embodiment, a vehicle charger includes a shell 1 and a circuit board 2. A cover plate 3 is provided at the open end of the shell 1. The shell 1 and the cover plate 3 are detachably connected. The circuit board 2 is located in a cavity formed by the shell 1 and the cover plate 3. The left and right side walls of the shell 1 are provided with slots 4 that match the edges of the circuit board 2. The circuit board 2 is plugged and connected to the shell 1 through its edges matching the slots 4. The left and right sides of the cover plate 3 are provided with card slots 11 that match the circuit board 2. A charging interface 5 is fixed on the circuit board 2. An assembly port 6 that matches the charging interface 5 is provided at the bottom of the shell 1. The charging interface 5 is installed in the assembly port 6.

[0022] like Figure 1 , Figure 2 and Figure 3 As shown, the bottom of the housing 1 protrudes outward to form a rectangular convex block 7, and the charging interface 5 is located on the rectangular convex block 7. The left and right sides of the opening end of the housing 1 are provided with limiting grooves 8, and the left and right sides of the cover plate 3 are provided with limiting convex blocks 9 matching the corresponding limiting grooves 8, and the limiting convex blocks 9 are fixedly connected to the cover plate 3.

[0023] The two limiting protrusions 9 are both located on the inner side of the cover plate 3. A rectangular frame 10 matching the opening end of the housing 1 is provided on the inner side of the cover plate 3. The rectangular frame 10 is located between the two limiting protrusions 9 and is fixedly connected to the cover plate 3. Two card slots 11 are respectively located on the left and right sides of the rectangular frame 10. The left and right sides of the rectangular frame 10 are both provided with card slots 11 matching the circuit board 2. One or more card blocks 12 are fixed on the front and rear sides of the rectangular frame 10. The front and rear side walls of the opening end of the housing 1 are both provided with card slots 13 matching the corresponding card blocks 12. The cover plate 3 is connected to the opening end of the housing 1 by the card blocks 12 and the corresponding card slots 13. Open slots 14 are provided on the left and right sides of the card slot 13. The depth of the open slot 14 is greater than or equal to the maximum vertical distance from the card slot 13 to the opening end of the housing 1. Notches 15 corresponding to the card blocks 12 are provided on the front and rear side edges of the cover plate 3. The notches 15 are located on the side of the rectangular frame 10. The circuit board 2 is provided with a PIN pin 16 , and the outer surface of the cover plate 3 is provided with a port 17 matching the PIN pin 16 .

[0024] During installation, the circuit board 2 is inserted into the slots 4 on the left and right sides of the shell 1 through its edges until the charging interface 5 is inserted into the assembly port 6; the cover plate 3 is installed on the shell 1. During this process, the limiting protrusion 9 is inserted into the corresponding limiting groove 8 and the rectangular frame 10 is inserted into the open end of the shell 1, so that the edge of the circuit board 2 is inserted into the card slot 11, further improving the positioning effect of the circuit board 2 after installation, and at the same time improving the installation strength and sealing of the cover plate 3 and the shell 1. At this time, the cover plate 3 is connected to the shell 1 through the card block 12 and the corresponding card port 13. The structural installation method is simple and reliable, and the appearance volume is small.

[0025] The output of this solution adopts Type C 18W, and supports charging protocols such as BC1.2, Divider Mode, 1.2V / 1.2V Mode, QC 3.0, and supports fast charging protocols for different electronic devices. The charging speed is faster than traditional USB devices.

Claims

1. A vehicle charger, characterized in that: The invention comprises a shell (1) and a circuit board (2), wherein a cover plate (3) is provided at an open end of the shell (1), the shell (1) and the cover plate (3) are detachably connected, the circuit board (2) is located in a cavity formed by the shell (1) and the cover plate (3), the left and right side walls of the shell (1) are provided with slots (4) matching the edges of the circuit board (2), the circuit board (2) is pluggably connected to the shell (1) by matching its edges with the slots (4), the left and right sides of the cover plate (3) are provided with card slots (11) matching the circuit board (2), a charging interface (5) is fixed on the circuit board (2), the bottom of the shell (1) is provided with an assembly port (6) matching the charging interface (5), and the charging interface (5) is installed in the assembly port (6).

2. A vehicle charger according to claim 1, characterized in that: The bottom of the shell (1) protrudes outwards to form a rectangular convex block (7), and the charging interface (5) is located on the rectangular convex block (7).

3. The vehicle charger according to claim 1, characterized in that: The shell (1) is provided with limit grooves (8) on both left and right sides of the opening end, and the cover plate (3) is provided with limit protrusions (9) matching the corresponding limit grooves (8) on both left and right sides, and the limit protrusions (9) are fixedly connected to the cover plate (3).

4. A vehicle charger according to claim 3, characterized in that: The two limiting protrusions (9) are both located on the inner side surface of the cover plate (3); a rectangular frame (10) matching the open end of the shell (1) is provided on the inner side surface of the cover plate (3); the rectangular frame (10) is located between the two limiting protrusions (9) and is fixedly connected to the cover plate (3); two clamping grooves (11) are respectively located on the left and right sides of the rectangular frame (10); one or more clamping blocks (12) are fixed on the front and rear sides of the rectangular frame (10); clamping ports (13) matching the corresponding clamping ports (12) are provided on the front and rear side walls of the open end of the shell (1); and the cover plate (3) is connected to the open end of the shell (1) by means of a clamping buckle that matches the clamping block (12) and the corresponding clamping port (13).

5. The vehicle charger according to claim 4, characterized in that: Opening grooves (14) are provided on both left and right sides of the bayonet (13), and the depth of the opening grooves (14) is greater than or equal to the maximum vertical distance from the bayonet (13) to the opening end of the housing (1).

6. The vehicle charger according to claim 4, characterized in that: Notches (15) corresponding to the clamping blocks (12) are provided on both the front and rear edges of the cover plate (3), and the notches (15) are located on the sides of the rectangular frame (10).

7. A vehicle charger according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that: The circuit board (2) is provided with a PIN pin (16), and the outer side surface of the cover plate (3) is provided with a port (17) matching the PIN pin (16).

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