CN216531054U

CN216531054U - Power adapter with replaceable plug

Info

Publication number: CN216531054U
Application number: CN202123029086.5U
Authority: CN
Inventors: 蔡文俊; 朱微微
Original assignee: Shenzhen Xiangsheng Technology Co ltd
Current assignee: Shenzhen Xiangsheng Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-13
Anticipated expiration: 2031-12-03

Abstract

The utility model is suitable for the technical field of power adapters, and provides a plug-replaceable power adapter which consists of a power adapter body, a USB interface, a power cord, a USB plug, a connection indicator lamp, a plug block, an electric plug, a button, a PCB, a transformer, an inductor and a capacitor, wherein the PCB is arranged inside the power adapter body, the capacitor is arranged in the middle of the PCB, the transformer is arranged at the left end of the capacitor, the inductor is arranged at the right side of the capacitor, the plug block is arranged at the left end of the power adapter body, a groove is arranged inside the plug block, a conductive post is arranged in the groove, a connection contact is arranged at the upper end of the conductive post, a convex block is arranged on the side surface of the groove, the plug block is provided with the electric plug, the USB interface is arranged on the front surface of the power adapter body, the power cord is arranged at the right end of the power adapter body, and the groove is arranged inside the plug block, be equipped with in the recess and lead electrical pillar, the side of recess is equipped with protruding piece, the change of carrying out the plug that can be very convenient.

Description

Power adapter with replaceable plug

Technical Field

The utility model belongs to the technical field of power adapters, and particularly relates to a power adapter with a replaceable plug.

Background

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, generally comprising components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB and the like, and all internal components are connected through wires and widely applied to the fields of industrial automation control, industrial control equipment, communication equipment, power equipment and the like, at present, countries in the world have different specification requirements on the production of the power adapter, so that the power adapter of each country cannot be commonly used on foreign electric appliance products, different power adapters are required to be used in different countries, inconvenience is brought to users going out of the country for a long time, charging sockets in various regions have different standards, and have a double-hole type, a three-hole type and a four-hole type, but the power adapter used by people cannot rapidly replace plugs, so that a single double-plug-pin or three-plug-pin cannot be applied to unmatched jacks, inconvenience is brought to the life of people.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power adapter with a replaceable plug, and aims to solve the problem that the conventional power adapter cannot replace the plug quickly.

The utility model is realized in such a way that a plug-replaceable power adapter comprises a power adapter body, a USB interface, a power line, a USB plug, a connection indicator lamp, a plug block, an electric plug, a button, a PCB, a transformer, an inductor and a capacitor, wherein the PCB is arranged inside the power adapter body, so that electric elements such as the transformer, the inductor and the capacitor can be conveniently arranged inside the power adapter body, the capacitor is arranged in the middle of the PCB, the transformer is arranged at the left end of the capacitor, the inductor is arranged at the right side of the capacitor, the transformer, the inductor and the capacitor are matched with each other to work, so that the voltage of an external power supply can be converted, the output voltage can meet the specification of equipment to be charged, the plug block is arranged at the left end of the power adapter body, so that the electric plug can be conveniently plugged into the power adapter body, a groove is arranged inside the plug block, the power adapter is convenient for connecting an electric plug and a plug block, a conductive column is arranged in a groove, a connecting contact is arranged at the upper end of the conductive column and is connected with a plug rod on the electric plug, when the plug rod is inserted into a power jack, current can be transmitted into the power adapter body through the plug rod, the connecting contact and the conductive column, a protruding block is arranged on the side surface of the groove and can connect the plug block and the electric plug together, the electric plug is arranged on the plug block, the USB interface is arranged on the front surface of the power adapter body and is convenient for inserting the USB plug into the USB interface, four USB interfaces of different types are arranged on the power adapter body so as to meet the insertion of the USB plugs of different types, so that the power adapter can charge products of different types such as mobile phones, panels and computers through a transmission line, and the power line is arranged at the right end of the power adapter body, charging can be performed through the power cord.

Furthermore, the outside of protruding piece is equipped with the button, the button with be connected through the spring between the protruding piece, when opening the button, button pulling spring, the spring shrink makes the protruding piece pack up, can take off the electric plug from the grafting piece when the protruding piece is packed up, carries out the change of electric plug, puts into the grafting piece with new electric plug after, closes the button, the spring resumes the original position, the protruding piece stretches out, the protruding piece cooperatees with the inside keyway of electric plug, couple together electric plug and grafting piece.

Furthermore, the plug is provided with a plug rod, the upper surface of the power adapter body is provided with the connection indicator lamp, and when the plug rod is inserted into the power jack, the connection indicator lamp is turned on after the power line or the transmission line is connected with the equipment.

Furthermore, the USB interface is equipped with the USB plug, the USB plug is connected with the transmission line, the port department of transmission line is equipped with the connecting seat, is convenient for connect the transmission line on charging equipment.

Furthermore, the power cord with the inductance is connected, the right side of power adapter body is equipped with the heat dissipation window, can distribute away the produced heat of power adapter body in the charging process.

Furthermore, a spring coil is arranged at the joint of the power line and the power adapter body, so that the potential safety hazard caused by damage and electric leakage due to large-angle bending between long water can be avoided, an ferrite choke coil is arranged in the middle of the power line, a large inductance is presented for a common-mode signal, the ferrite choke coil plays a role in inhibiting a small leakage inductance presented for a differential-mode signal, and the leakage inductance hardly plays a role in charging.

Furthermore, a set screw is arranged between the PCB and the power adapter body and used for fixing the PCB on the power adapter body, and a coil is arranged inside the transformer.

Further, the housing of the power adapter body is made of PC plastic material, so that the power adapter body has the capability of moving and resisting the damage of external force.

The beneficial technical effects related to the implementation of the utility model are as follows: owing to be equipped with the recess on the grafting piece, be equipped with in the recess and lead electrical pillar and protruding piece, be connected through the spring between button and the protruding piece, so can be very convenient change of carrying out the plug, owing to be equipped with the USB interface of four different models on the power adapter body, so can charge to the equipment of unfit type, owing to be equipped with spring coil and ferrite choke coil on the power cord for charging work safety more.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic view of the right side view structure of the present invention;

FIG. 4 is a top view cross-sectional schematic view of the present invention;

FIG. 5 is a schematic view of the plug block structure of the present invention;

fig. 6 is a partially enlarged structural view of a region a in fig. 5.

In the figure: 1. a power adapter body; 2. a spring coil; 3. a power line; 4. an oxidation choke coil; 5. a charging port; 6. inserting a rod; 7. an electric plug; 8. a button; 9. an insertion block; 10. a USB interface; 11. a USB plug; 12. a transmission line; 13. a connecting seat; 14. connecting a display lamp; 15. a heat dissipation window; 16. a PCB board; 17. tightening the screw; 18. a transformer; 19. a coil; 20. a capacitor; 21. an inductance; 22. a groove; 23. a conductive post; 24. connecting the contacts; 25. and (4) a convex block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration and are not to be construed as limitations of the utility model.

It should be noted that the spring coil 2 and the ferrite choke 4 are prior art and are common general knowledge of those skilled in the art, and are not described herein again.

Example one

Referring to fig. 1-6, a plug-replaceable power adapter comprises a power adapter body 1, a USB interface 10, a power cord 3, a USB plug 11, a connection indicator 14, a plug block 9, an electrical plug 7, a button 8, a PCB 16, a transformer 18, an inductor 21 and a capacitor 20, wherein the PCB 16 is arranged inside the power adapter body 1, the capacitor 20 is arranged in the middle of the PCB 16, the transformer 18 is arranged at the left end of the capacitor 20, the inductor 21 is arranged at the right side of the capacitor 20, the plug block 9 is arranged at the left end of the power adapter body 1, a groove 22 is arranged inside the plug block 9, a conductive post 23 is arranged in the groove 22, a connection contact 24 is arranged at the upper end of the conductive post 23, a protruding block 25 is arranged on the side surface of the groove 22, the electrical plug 7 is arranged on the plug block 9, the USB interface 10 is arranged on the front surface of the power adapter body 1, the power cord 3 is arranged at the right end of the power adapter body 1, the outside of protruding piece 25 is equipped with button 8, be connected through the spring between button 8 and the protruding piece 25, when opening

button

8, 8 pulling springs on the button, the spring shrink makes protruding piece 25 pack up, can take off electric plug 7 from grafting piece 9 when protruding piece 25 packs up, carry out the change of electric plug 7, put into back in the grafting piece 9 with new electric plug 7, close button 8, the spring resumes to the original position, protruding piece 25 stretches out, protruding piece 25 cooperatees with the inside keyway of electric plug 7, couple together electric plug 7 with grafting piece 9.

Example two

Power cord 3 is equipped with spring coil 2 with power adapter body 1's junction, and the centre of power cord 3 is equipped with oxysome choke 4, and the port department of power cord 3 is equipped with charging port 5 for it is mixed and disorderly not afraid of the circuit and ties when charging, and long-time wide-angle is buckled and is leaded to the damaged electric leakage, causes the potential safety hazard, is equipped with the USB interface 10 of four different models in power adapter body 1's front, can charge the equipment of different grade type.

The working principle of the utility model is as follows: when opening

button

8, 8 pulling springs on the button, the spring shrink makes protruding piece 25 pack up, can take off electric plug 7 from grafting piece 9 when protruding piece 25 packs up, carry out the change of electric plug 7, put into the grafting piece 9 back with new electric plug 7, close button 8, the spring resumes the original position, protruding piece 25 stretches out, protruding piece 25 cooperatees with the inside keyway of electric plug 7, couple together electric plug 7 with grafting piece 9, realize the change work of electric plug 7.

The beneficial technical effects related to the implementation of the utility model are as follows: because be equipped with recess 22 on grafting piece 9, be equipped with in recess 22 and lead electrical pillar 23 and protruding piece 25, be connected through the spring between button 8 and the protruding piece 25, so can very convenient change of carrying out the plug, owing to be equipped with the USB interface 10 of four different models on power adapter body 1, so can charge to the equipment of not going type, owing to be equipped with spring coil 2 and ferrite choke 4 on power cord 3 for the work of charging is safer.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a plug-replaceable power adapter, includes power adapter body (1), USB interface (10), power cord (3), USB plug (11), connection indicator (14), grafting piece (9), electric plug (7), button (8), PCB board (16), transformer (18), inductance (21) and electric capacity (20), its characterized in that: the PCB (16) is arranged in the power adapter body (1), the capacitor (20) is arranged in the middle of the PCB (16), the transformer (18) is arranged at the left end of the capacitor (20), the inductor (21) is arranged on the right side of the capacitor (20), the plug-in block (9) is arranged at the left end of the power adapter body (1), a groove (22) is arranged inside the plug-in block (9), a conductive column (23) is arranged in the groove (22), the upper end of the conductive post (23) is provided with a connecting contact (24), the side surface of the groove (22) is provided with a convex block (25), the plug (7) is arranged on the plug block (9), the USB interface (10) is arranged on the front surface of the power adapter body (1), the right end of the power adapter body (1) is provided with the power line (3).

2. A removable plug power adaptor according to claim 1, wherein: the button (8) is arranged on the outer side of the protruding block (25), and the button (8) is connected with the protruding block (25) through a spring.

3. A removable plug power adaptor according to claim 1, wherein: be equipped with inserted bar (6) on electric plug (7), the upper surface of power adapter body (1) is equipped with connect pilot lamp (14).

4. A removable plug power adaptor according to claim 1, wherein: USB interface (10) department is equipped with USB plug (11), USB plug (11) are connected with transmission line (12), the port department of transmission line (12) is equipped with connecting seat (13).

5. A removable plug power adaptor according to claim 1, wherein: the power cord (3) with inductance (21) are connected, the right side of power adapter body (1) is equipped with heat dissipation window (15).

6. A removable plug power adaptor according to claim 1, wherein: power cord (3) with the junction of power adapter body (1) is equipped with spring coil (2), the centre of power cord (3) is equipped with oxygen body choke (4), the port department of power cord (3) is equipped with charging port (5).

7. A removable plug power adaptor according to claim 1, wherein: a set screw (17) is arranged between the PCB (16) and the power adapter body (1), and a coil (19) is arranged inside the transformer (18).

8. A removable plug power adaptor according to claim 1, wherein: the shell of the power adapter body (1) is made of PC plastic materials.