Multi-protocol USB-PD fast-charging charger

Abstract

The utility model discloses a multi-protocol USB-PD fast charger, comprising a fast charger body, the top of the fast charger body is provided with two circular notches in a penetrating manner, the interiors of the two circular notches are slidably connected with second mounting cylinders, the exteriors of the two second mounting cylinders are slidably connected with first mounting cylinders in a sleeving manner, and the first mounting cylinders are slidably connected with second mounting cylinders in a sleeving manner. And first pins are arranged in the two second mounting cylinders, and the top ends of the two first pins penetrate and extend to the outside of the quick-charging charger body. According to the utility model, the second mounting cylinder, the first spring, the U-shaped groove and other structures are arranged, the second mounting cylinder is utilized to extrude the first spring and realize rotation, so that the limiting shaft is driven to rotate from one end of the U-shaped groove to the other end of the U-shaped groove, the angle of the first pin is conveniently adjusted, and the second mounting cylinder is fixed by the rebound line of the first spring; therefore, the socket connector can be matched with different sockets and is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to fast charger technical field, in particular to a kind of multi-protocol USB-PD fast charger. BACKGROUND

[0002] In order to realize fast charging function, major manufacturers and industry organizations have developed a series of fast charging protocols, such as USB PD, QC, FCP, SCP, etc. These protocols specify the communication method between fast charger and device, voltage and current adjustment parameters, etc., so that devices of different brands and models can be compatible with fast charging function, promoting the popularization and development of fast charging technology.

[0003] In the prior art, the prongs of the fast charger cannot rotate, and the design is mostly fixed structure, for example, two or three jack holes are independently arranged, which cannot flexibly adapt to different plug types. In travel or public places, due to the single type of socket, it cannot be used, and the user needs to carry multiple adapters, thereby affecting the convenience of charging, and the use is not convenient enough, and the practicality is low. Therefore, we propose a kind of multi-protocol USB-PD fast charger. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the prongs of the fast charger cannot rotate, and the design is mostly fixed structure, for example, two or three jack holes are independently arranged, which cannot flexibly adapt to different plug types. In travel or public places, due to the single type of socket, it cannot be used, and the user needs to carry multiple adapters, thereby affecting the convenience of charging, and the use is not convenient enough, and the practicality is low.

[0005] To solve the above technical problems, one technical scheme adopted by the utility model is to provide a kind of multi-protocol USB-PD fast charger, including fast charger body, the top of fast charger body is all penetrated and is equipped with two circular notches, the inside of two circular notches is all slidably connected with second installation cylinder, the outside of two second installation cylinders is all equipped with first installation cylinder with sliding connection, the inside of two second installation cylinders is all provided with first prong, the top of two first prongs is all penetrated and extends to the outside of fast charger body, the bottom of two first prongs is all penetrated second installation cylinder and extends to the outside of first installation cylinder, and first prong is fixed, the top of two first installation cylinders is all fixedly connected with the inner top of fast charger body, the surface of two first installation cylinders is all penetrated and is equipped with U-shaped groove, the inside of two U-shaped grooves is all slidably connected with limiting shaft, one end of two limiting shafts is all penetrated and extends to the inside of first installation cylinder and is fixedly connected with the surface of second installation cylinder, the outside of two first prongs is all equipped with first spring and annular plate, and first prong is conveniently rotated.

[0006] The inside of the fast-charging charger body is fixedly connected with a circuit board and a PD fast-charging protocol chip, protocols are adapted, the inner side wall of the fast-charging charger body is fixedly connected with a square box, a square slot is formed through the top of the fast-charging charger body, a second pin is slidably connected in the square slot, the bottom end of the second pin extends into the square box, a sliding groove is formed through the surface of the fast-charging charger body, and a telescopic assembly is arranged in the sliding groove, so that use is facilitated.

[0007] Preferably, the telescopic assembly comprises a mounting box, the mounting box is slidably mounted into the sliding groove, a connecting plate is fixedly connected to one side of the surface of the mounting box, one end of the connecting plate extends to the surface of the fast-charging charger body and the second pin, mounting grooves are formed in the surface of the mounting box near the connecting plate, clamping blocks are slidably connected in the two mounting grooves, two second springs are fixedly connected between the two clamping blocks, an elliptical limiting block is rotatably connected to the inner bottom of the mounting box, and a vertical shaft is fixedly connected to the top of the elliptical limiting block, so that the second pin can be retracted and extended, and use is more convenient.

[0008] Preferably, the bottom of the second pin is electrically connected with a first lead wire, the bottom end of the first lead wire extends through the outside of the square box and is electrically connected with the top of the circuit board, the two first pins and the circuit board are electrically connected through second lead wires, respectively, and the circuit board and the PD fast-charging protocol chip are electrically connected through two third lead wires, so that mains power is rectified and transformed, and the protocol of the instrument is adapted.

[0009] Preferably, the bottom of the fast-charging charger body is provided with a Type-C interface and a USB interface, the Type-C interface and the USB interface are electrically connected with the PD fast-charging protocol chip through two fourth lead wires, respectively, so that the instrument is charged.

[0010] Preferably, the bottom end of each of the two first springs is fixedly connected with the inner bottom end of the first mounting cylinder, and the top end of each of the two first springs is fixedly connected with the bottom end of the annular plate, and the top end of each of the two annular plates is rotatably connected with the bottom end of the second mounting cylinder, so that the first pin is fixed.

[0011] Preferably, two clamping grooves are formed in the surface of the sliding groove, and the two clamping blocks are fixedly mounted into the corresponding clamping grooves, so that the second pin is fixed.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. This utility model, by setting up a second mounting cylinder, a first spring, and a U-shaped groove, utilizes the second mounting cylinder to compress the first spring and achieve rotation, thereby driving the limiting shaft to rotate from one end of the U-shaped groove to the other end of the U-shaped groove, which facilitates the angle adjustment of the first pin. Under the action of the first spring, the second mounting cylinder is fixed, thus adapting to use under different plugs and improving the convenience of the fast charger.

[0014] 2. This utility model, by setting up an installation box, a card block, and an elliptical limiting block, uses the elliptical limiting block to drive the card block to move and install it into the card slot, which facilitates the fixation of the second plug after retraction and avoids obstruction when the second plug is used in different sockets, making the fast charger more widely applicable. Attached Figure Description

[0015] Figure 1 This is a first-view overall structural diagram of a multi-protocol USB-PD fast charger according to this utility model;

[0016] Figure 2 This is a schematic diagram of the square box and the second pin of a multi-protocol USB-PD fast charger according to this utility model.

[0017] Figure 3 This is a second-view overall structural diagram of a multi-protocol USB-PD fast charger according to this utility model;

[0018] Figure 4 This is a schematic diagram of the circuit board and PD fast charging protocol chip of a multi-protocol USB-PD fast charger according to this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the second mounting cylinder and the first spring of a multi-protocol USB-PD fast charger according to this utility model;

[0020] Figure 6 This is a schematic diagram of the retractable component of a multi-protocol USB-PD fast charger according to this utility model.

[0021] In the diagram: 1. Fast charger body; 2. Circular slot; 3. First mounting cylinder; 4. U-shaped groove; 5. Second mounting cylinder; 6. First pin; 7. Square box; 8. Second pin; 9. Limiting shaft; 10. First spring; 11. First wire; 12. Second wire; 13. Third wire; 14. Circuit board; 15. PD fast charging protocol chip; 16. Mounting box; 17. Elliptical limiting block; 18. Vertical shaft; 19. Second spring; 20. Mounting slot; 21. Locking block; 22. Type-C interface; 23. USB interface; 24. Slide groove; 25. Connecting plate; 26. Square slot; 27. Locking slot; 28. Fourth wire; 29. ​​Circular plate. DETAILED DESCRIPTION

[0022] The advantages and features of the present application will be more apparent from the following detailed description of preferred embodiments of the present application, taken in conjunction with the accompanying drawings, in which:

[0023] Please refer to Figure 2 Figure 5 A multi-protocol USB-PD fast charger, comprising a fast charger body 1, two circular notches 2 are formed through the top of the fast charger body 1, a second mounting cylinder 5 is slidably connected inside each of the two circular notches 2, a first mounting cylinder 3 is slidably connected outside each of the two second mounting cylinders 5, a first pin 6 is arranged inside each of the two second mounting cylinders 5, the top end of each of the two first pins 6 extends through the fast charger body 1, the bottom end of each of the two first pins 6 extends through the second mounting cylinder 5 and to the outside of the first mounting cylinder 3, the first pin 6 is fixed, the top of each of the two first mounting cylinders 3 is fixedly connected with the inner top of the fast charger body 1, a U-shaped groove 4 is formed through the surface of each of the two first mounting cylinders 3, a limiting shaft 9 is slidably connected inside each of the two U-shaped grooves 4, one end of each of the two limiting shafts 9 extends through the inside of the first mounting cylinder 3 and is fixedly connected with the surface of the second mounting cylinder 5, a first spring 10 and a ring plate 29 are sleeved outside each of the two first pins 6, which facilitates the rotation of the first pin 6;

[0024] A circuit board 14 and a PD fast charging protocol chip 15 are fixedly connected inside the fast charger body 1, which adapts to various protocols, a square box 7 is fixedly connected to the inner side wall of the fast charger body 1, a square slot 26 is formed through the top of the fast charger body 1, a second pin 8 is slidably connected inside the square slot 26, the bottom end of the second pin 8 extends to the inside of the square box 7, a sliding groove 24 is formed through the surface of the fast charger body 1, a telescopic assembly is arranged inside the sliding groove 24, which facilitates use.

[0025] As Figure 1 , Figure 4 and Figure 6 ​As shown, the bottom of the second pin 8 is electrically connected with the first wire 11, the bottom end of the first wire 11 extends to the outside of the square box 7 and is electrically connected with the top of the circuit board 14, the two first pins 6 and the circuit board 14 are respectively electrically connected by the second wire 12, the circuit board 14 and the PD fast charging protocol chip 15 are electrically connected by the two third wires 13, the mains is rectified and transformed, and the protocol of the instrument is adapted, the bottom ends of the two first springs 10 are fixedly connected with the inner bottom end of the first mounting cylinder 3, the top ends of the two first springs 10 are fixedly connected with the bottom end of the annular plate 29, the top ends of the two annular plates 29 are rotatably connected with the bottom end of the second mounting cylinder 5, the first pin 6 is fixed, the telescopic assembly comprises a mounting box 16, the mounting box 16 is slidably installed in the sliding groove 24, the surface of the mounting box 16 is fixedly connected with the connecting plate 25, one end of the connecting plate 25 extends to the surface of the fast charger body 1 and is fixedly connected with the second pin 8, the surfaces of the mounting box 16 near the connecting plate 25 are provided with mounting grooves 20, the two mounting grooves 20 are slidably connected with clamping blocks 21, the two clamping blocks 21 are fixedly connected with two second springs 19, the inner bottom of the mounting box 16 is rotatably connected with an oval limiting block 17, the top of the oval limiting block 17 is fixedly connected with a vertical shaft 18, the second pin 8 is conveniently retracted and extended, and use is more convenient, the bottom of the fast charger body 1 is provided with a Type-C interface 22 and a USB interface 23, the Type-C interface 22 and the USB interface 23 are respectively electrically connected with the PD fast charging protocol chip 15 through two fourth wires 28, and the instrument is charged, the surfaces of the sliding groove 24 are provided with two clamping grooves 27, and the two clamping blocks 21 are fixedly installed in the corresponding clamping grooves 27, and the second pin 8 is fixed.

[0026] The utility model discloses a use, when using three -hole socket, press first prong 6, and first prong 6 drives second installation cylinder 5 in the circular notch 2 and first installation cylinder 3 sliding, and second installation cylinder 5 drives annular plate 29 to move, and annular plate 29 extrude first spring 10, and second installation cylinder 5 drives limit shaft 9 in the U -shaped groove 4 sliding, after sliding to the bottom of U -shaped groove 4, rotate first prong 6, and first prong 6 drives second installation cylinder 5 to rotate, and second installation cylinder 5 drives limit shaft 9 in the U -shaped groove 4 rotates, after rotating to corresponding angle, loosen first prong 6 utilizes the rebound of first spring 10 to fix first prong 6, after fixing, rotate vertical shaft 18, and vertical shaft 18 drives oval limit block 17 to rotate, and oval limit block 17 is separated with the clamping block 21, and simultaneously utilizes the rebound of second spring 19 and drives the clamping block 21 to slide inwards to the inside of installation box 16, after installation box 16 contracts, slide vertical shaft 18, and vertical shaft 18 drives installation box 16 to slide in the sliding slot 24, and installation box 16 drives connecting plate 25 to slide, and connecting plate 25 drives second prong 8 to slide in the square groove 26, make second prong 8 extend to the outside of fast charging charger body 1, after extending, rotate vertical shaft 18, and vertical shaft 18 drives oval limit block 17 to rotate, and oval limit block 17 extrude the clamping block 21 to both sides, make the clamping block 21 install to corresponding clamping groove 27 from the inside of installation box 16, fix second prong 8, when using two -hole socket, rotate vertical shaft 18 again and contract second prong 8 to the inside of fast charging charger body 1, after contracting, press again and rotate first prong 6, make fast charging charger body 1 correspond with two -hole socket, when using, and the commercial power passes through first prong 6 and circulates to circuit board 14, and utilize circuit board 14 to rectify and transform commercial power, and then utilize third wire 13 and transmit current to PD fast charging protocol chip 15, adapt the protocol of instrument, finally charge the instrument through Type-C interface 22 or USB interface 23.

[0027] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent flow conversion of the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A multi-protocol USB-PD fast charger, comprising a fast charger body (1), characterized in that: The top of the fast charger body (1) is provided with two circular notches (2), the inside of the two circular notches (2) is slidably connected with a second mounting cylinder (5), the outside of the two second mounting cylinders (5) is slidably connected with a first mounting cylinder (3), the inside of the two second mounting cylinders (5) is provided with a first pin (6), the top of the two first pins (6) extends to the outside of the fast charger body (1), the bottom of the two first pins (6) extends to the outside of the first mounting cylinder (3), the top of the two first mounting cylinders (3) is fixedly connected with the inside top of the fast charger body (1), the surface of the two first mounting cylinders (3) is provided with a U-shaped groove (4), the inside of the two U-shaped grooves (4) is slidably connected with a limiting shaft (9), one end of the two limiting shafts (9) extends to the inside of the first mounting cylinder (3) and is fixedly connected with the surface of the second mounting cylinder (5), the outside of the two first pins (6) is sleeved with a first spring (10) and a ring plate (29). The inside of the fast charger body (1) is fixedly connected with a circuit board (14) and a PD fast charging protocol chip (15), the inside wall of the fast charger body (1) is fixedly connected with a square box (7), the top of the fast charger body (1) is provided with a square groove (26), the inside of the square groove (26) is slidably connected with a second pin (8), the bottom of the second pin (8) extends to the inside of the square box (7), the surface of the fast charger body (1) is provided with a sliding groove (24), the inside of the sliding groove (24) is provided with a telescopic assembly.

2. The multi-protocol USB-PD fast charger of claim 1, wherein: The telescopic assembly comprises a mounting box (16), the mounting box (16) is slidably mounted to the inside of the sliding groove (24), the surface of the mounting box (16) is fixedly connected with a connecting plate (25), one end of the connecting plate (25) extends to the surface of the fast charger body (1) and is fixedly connected with the second pin (8), the surface of the mounting box (16) near the connecting plate (25) is provided with a mounting groove (20), the inside of the two mounting grooves (20) is slidably connected with a clamping block (21), the two clamping blocks (21) are fixedly connected with two second springs (19), the inside bottom of the mounting box (16) is rotatably connected with an oval limiting block (17), the top of the oval limiting block (17) is fixedly connected with a vertical shaft (18).

3. The multi-protocol USB-PD fast charger of claim 1, wherein: The bottom of the second pin (8) is electrically connected with a first lead wire (11), the bottom of the first lead wire (11) extends to the outside of the square box (7) and is electrically connected with the top of the circuit board (14), the two first pins (6) and the circuit board (14) are electrically connected by a second lead wire (12), the circuit board (14) and the PD fast charging protocol chip (15) are electrically connected by two third lead wires (13).

4. The multi-protocol USB-PD fast charger of claim 1, wherein: The bottom of the fast-charging charger body (1) is provided with a Type-C interface (22) and a USB interface (23), and the Type-C interface (22) and the USB interface (23) are respectively electrically connected with the PD fast-charging protocol chip (15) through two fourth conductive lines (28).

5. The multi-protocol USB-PD fast charger of claim 1, wherein: The bottom ends of the two first springs (10) are fixedly connected with the inner bottom end of the first mounting cylinder (3), the top ends of the two first springs (10) are fixedly connected with the bottom ends of the annular plates (29), and the top ends of the two annular plates (29) are rotatably connected with the bottom ends of the second mounting cylinders (5).

6. The multi-protocol USB-PD fast charger of claim 2, wherein: The surface of the chute (24) is provided with two clamping grooves (27) on both sides, and the two clamping blocks (21) are fixedly installed in the corresponding clamping grooves (27).

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