A modular power adapter with replaceable plug

Abstract

The utility model relates to the technical field of power adapters, and specifically to a modular power adapter with replaceable plugs, comprising a power adapter, a three-pin plug, a limiting cover, a power cord, a two-pin plug and a round-pin plug, wherein one side of the power adapter is connected to the power cord, the side of the upper end of the power adapter away from the power cord is connected to the three-pin plug, the side of the power adapter away from the power cord is connected to the limiting cover, the limiting cover is connected to a limiting bolt, the lower end of the power adapter is connected to the two-pin plug and the round-pin plug, a second plugging slot is provided at the upper end of the power adapter near the three-pin plug, a locking slot is provided at one side of the upper part of the second plugging slot, a plugging ring slot is provided at the lower part of the second plugging slot near the edge, a plurality of groups of pins are provided at the lower part of the second plugging slot, and a locking hole and a plurality of groups of first rivet slots are provided at the side of the power adapter near the limiting cover.

Description

Technical Field

[0001] The utility model relates to the technical field of power adapters, in particular to a modular power adapter with replaceable plugs. Background Art

[0002] The adapter body is a power supply conversion device for small portable electronic devices and electronic appliances. The adapter body is also called an external power supply and is often used in small electronic products such as laptops, LCD monitors and mobile phones.

[0003] After searching, a modular power adapter with a replaceable plug is mentioned in the publication number 202221438101.3, including an adapter housing, a plug socket is slidably connected to the side surface of one end of the adapter housing, a fixing mechanism is provided inside the adapter housing, and the plug socket is fixed to the adapter housing through the fixing mechanism, and the fixing mechanism includes a fixing rod fixed inside the adapter housing, a symmetrically arranged movable clamping rod is slidably connected to the fixing rod, and a clamping block is provided at each end of the movable clamping rod, and a vertical adjusting screw is rotatably connected to the inner top of the adapter housing, and one end of the adjusting screw is provided with a The knob is threadedly connected with a movable plate on the adjusting screw, and a connecting rod is hinged between the movable plate and the movable clamping rod. The two sides of the plug seat are provided with a card slot, and the card blocks are all stuck in the card slot. The modular power adapter designs the plug into a plug seat form that is easy to disassemble and assemble. The plug seat can be fixed and loosened by turning the knob. After the adapter plug is damaged, the spare plug can be easily replaced, which improves the convenience of the entire adapter when used. After the adapter plug is damaged, only the plug needs to be replaced, which reduces the cost of use. When traveling abroad, the corresponding plug module can be equipped and replaced by yourself. The plug module is small in size and convenient to store and carry. The modular power adapter sets a movable anti-slip support plate under the plug seat. When the connector of the power cord is inserted into the adapter through the adapter plug, the anti-slip support plate can support the power cord connector and clamp the connector to prevent the power cord connector from loosening and slipping, thereby improving the safety of use.

[0004] Most modular power adapters are equipped with multiple sets of plugs of different models, which are convenient for replacement according to needs. However, the power adapter and the plug are mostly set separately, which is inconvenient to carry and easy to cause the plug to be lost. In addition, the connection between the plug and the power adapter is complicated and inconvenient to disassemble and assemble, and the connection is easy to fall off.

[0005] Therefore, it is necessary to design a modular power adapter with a replaceable plug to solve the problems in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to solve the problems in the prior art and proposes a modular power adapter with a replaceable plug.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A modular power adapter with replaceable plugs, comprising a power adapter, a three-pin plug, a limit cover, a power cord, a two-pin plug and a round-pin plug, wherein one side of the power adapter is connected to the power cord, the upper end of the power adapter is connected to the three-pin plug on the side away from the power cord, the side of the power adapter away from the power cord is connected to the limit cover, the limit cover is connected to the limit bolt, and the lower end of the power adapter is connected to the two-pin plug and the round-pin plug;

[0009] A second plugging slot is provided at the upper end of the power adapter near the three-pin plug, a locking slot is provided at one side of the upper portion of the second plugging slot, a plugging ring slot is provided at the lower portion of the interior of the second plugging slot near the edge, and a plurality of groups of plug pins are provided at the lower portion of the interior of the second plugging slot;

[0010] The power adapter is provided with a locking hole and a plurality of first riveting grooves on one side close to the limit cover;

[0011] A first plugging slot is provided at the lower end of the power adapter near the two-pin plug and the round-pin plug;

[0012] The three-pin plug, two-pin plug and round-pin plug are all provided with a plug ring and multiple sets of electrical interfaces at the lower ends;

[0013] A rivet block is provided on one side of the limit cover close to the power adapter, and a plurality of groups of limit protrusions and a plurality of groups of second rivet grooves are provided on the rivet block. A pressure ring is provided on the upper part of the limit cover.

[0014] As a preferred solution of the utility model, the three-pin plug, two-pin plug and round-pin plug are connected by plugging the electrical interface and the plug pins when in use, and the plug ring and the plug ring groove are connected by plugging.

[0015] As a preferred solution of the utility model, the limit cover presses the three-pin plug, the two-pin plug and the round-pin plug through a pressure ring.

[0016] As a preferred solution of the utility model, the three-pin plug, the two-pin plug and the round-pin plug are plugged and connected to the first plug slot when retracted.

[0017] As a preferred solution of the utility model, the lower part of the limit cover and the power adapter are connected via a rotating shaft, and the limit cover is connected via a limit protrusion on the riveting block, a second rivet groove and a first rivet groove.

[0018] As a preferred solution of the utility model, the limiting bolt passes through the limiting cover and is connected with the locking hole.

[0019] To sum up, the technical effects and advantages of the utility model are as follows: when using the modular power adapter with replaceable plugs, open the multiple sets of limit bolts connected to the side and upper end of the limit cover, open the limit cover to the side, and then insert the plugs to be used among the three-pin plug, two-pin plug and round-pin plug into the second plug-in slot, so that the electrical interface and the pin are plugged in and connected, and then close the limit cover and lock the limit bolts. The operation is convenient and quick, and the three-pin plug, two-pin plug and round-pin plug are easy to plug and replace, and the installation is stable. When the three-pin plug, two-pin plug and round-pin plug are folded, they are plugged in and connected to the first plug-in slot, and the unused plugs can be stored in the first plug-in slot at the lower end of the power adapter, which is convenient to carry and use and reduces loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the overall structure diagram of the utility model;

[0021] Figure 2 This is a back structural diagram of the power adapter of the utility model;

[0022] Figure 3 This is a structural diagram of the limit cover of the utility model;

[0023] Figure 4 This is a structural diagram of a two-pin plug of the utility model;

[0024] Figure 5 This is a structural diagram of a round-pin plug of the present utility model.

[0025] In the figure: 1. power adapter; 101. first plug slot; 102. locking slot; 103. second plug slot; 104. plug pin; 105. plug ring slot; 106. locking hole; 107. first rivet slot; 2. three-pin plug; 201. plug ring; 202. electrical interface; 3. limit cover; 301. pressure ring; 302. rivet block; 303. second rivet slot; 304. limit protrusion; 4. power cord; 5. limit bolt; 6. two-pin plug; 7. round-pin plug. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Reference Figure 1-Figure 5A modular power adapter with replaceable plugs, comprising a power adapter 1, a three-pin plug 2, a limit cover 3, a power cord 4, a two-pin plug 6 and a round-pin plug 7, one side of the power adapter 1 is connected to the power cord 4, the side of the upper end of the power adapter 1 away from the power cord 4 is connected to the three-pin plug 2, the side of the power adapter 1 away from the power cord 4 is connected to the limit cover 3, the limit cover 3 is connected to the limit bolt 5, the lower end of the power adapter 1 is connected to the two-pin plug 6 and the round-pin plug 7; a second plugging slot 103 is provided at the upper end of the power adapter 1 near the three-pin plug 2, a locking slot 102 is provided on one side of the upper part of the second plugging slot 103, and the second plugging slot 103 is provided with a locking slot 102. A plug-in ring groove 105 is provided at the lower part near the edge, and a plurality of groups of pins 104 are provided at the lower part inside the second plug-in groove 103; a locking hole 106 and a plurality of groups of first rivet grooves 107 are provided on the side of the power adapter 1 close to the limit cover 3; a first plug-in groove 101 is provided at the lower end of the power adapter 1 close to the two-pin plug 6 and the round-pin plug 7; a plug-in ring 201 and a plurality of groups of electrical interfaces 202 are provided at the lower ends of the three-pin plug 2, the two-pin plug 6 and the round-pin plug 7; a rivet block 302 is provided on the side of the limit cover 3 close to the power adapter 1, and a plurality of groups of limiting protrusions 304 and a plurality of groups of second rivet grooves 303 are provided on the rivet block 302, and a pressure ring 301 is provided on the upper part of the limit cover 3.

[0028] Reference Figure 1-Figure 5 Most modular power adapters are equipped with multiple sets of plugs of different models, which are convenient for replacement according to needs. However, the power adapter and the plug are mostly set separately, which is inconvenient to carry and easy to cause the plug to be lost. In addition, the connection between the plug and the power adapter is complicated and inconvenient to disassemble and assemble, and the connection is easy to fall off. The three-pin plug 2, the two-pin plug 6 and the round-pin plug 7 are connected by plugging through the electrical interface 202 and the pin 104 when in use, and the plug ring 201 and the plug ring groove 105 are connected by plugging. The limit cover 3 presses the three-pin plug 2, the two-pin plug 6 and the round-pin plug 7 through the pressing ring 301. The lower part of the limit cover 3 and the power adapter 1 are connected by a rotating shaft. The limit cover 3 The limiting protrusion 304, the second rivet groove 303 and the first rivet groove 107 on the rivet block 302 are connected, and the limiting bolt 5 passes through the limiting cover 3 and is connected with the locking hole 106. When in use, the multiple groups of limiting bolts 5 connected to the side and the upper end of the limiting cover 3 are opened, the limiting cover 3 is opened to the side, and then the plugs to be used among the three-pin plug 2, the two-pin plug 6 and the round-pin plug 7 are inserted into the second plug-in slot 103, so that the electrical interface 202 and the pin 104 are plugged and connected, and then the limiting cover 3 is closed and the limiting bolt 5 is locked. The operation is convenient and quick, and the three-pin plug 2, the two-pin plug 6 and the round-pin plug 7 are easy to plug and replace, and the installation is stable.

[0029] Reference Figure 1-Figure 5When the three-pin plug 2, the two-pin plug 6 and the round-pin plug 7 are folded, they are plugged into the first plug slot 101. Unused plugs can be stored in the first plug slot 101 at the lower end of the power adapter 1, which is convenient to carry and use and reduces loss.

[0030] Working principle: When the three-pin plug 2, two-pin plug 6 and round-pin plug 7 of the modular power adapter with replaceable plugs are used, they are plugged and connected through the electrical interface 202 and the plug pin 104, the plug ring 201 and the plug ring groove 105 are plugged and connected, the limit cover 3 presses the three-pin plug 2, the two-pin plug 6 and the round-pin plug 7 through the pressure ring 301, the lower part of the limit cover 3 and the power adapter 1 are connected through a rotating shaft, the limit cover 3 is connected through the limit protrusion 304 on the rivet block 302, the second rivet groove 303 and the first rivet groove 107, the limit bolt 5 passes through the limit cover 3 and is connected with the locking hole 106, when in use, the side and upper end of the limit cover 3 are tightened The connected multiple groups of limit bolts 5 are opened, the limit cover 3 is opened to the side, and then the plugs to be used among the three-pin plug 2, two-pin plug 6 and round-pin plug 7 are inserted into the second plug-in slot 103, so that the electrical interface 202 and the pin 104 are plugged in and connected, and then the limit cover 3 is closed and the limit bolts 5 are locked. The operation is convenient and quick, and the three-pin plug 2, two-pin plug 6 and round-pin plug 7 are convenient to plug and replace, and the installation is stable. When the three-pin plug 2, two-pin plug 6 and round-pin plug 7 are folded, they are plugged in and connected to the first plug-in slot 101, and the unused plugs can be stored in the first plug-in slot 101 at the lower end of the power adapter 1, which is convenient to carry and use and reduces loss.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modular power adapter with replaceable plugs, comprising a power adapter (1), a three-pin plug (2), a limit cover (3), a power cord (4), a two-pin plug (6) and a round-pin plug (7), characterized in that: One side of the power adapter (1) is connected to a power cord (4); the side of the upper end of the power adapter (1) away from the power cord (4) is connected to a three-pin plug (2); the side of the power adapter (1) away from the power cord (4) is connected to a limit cover (3); the limit cover (3) is connected to a limit bolt (5); the lower end of the power adapter (1) is connected to a two-pin plug (6) and a round-pin plug (7); A second plugging slot (103) is provided at the upper end of the power adapter (1) near the three-pin plug (2); a locking slot (102) is provided on one side of the upper portion of the second plugging slot (103); a plugging ring slot (105) is provided at the lower portion of the interior of the second plugging slot (103) near the edge; and a plurality of groups of plug pins (104) are provided at the lower portion of the interior of the second plugging slot (103); A locking hole (106) and a plurality of groups of first riveting grooves (107) are provided on one side of the power adapter (1) close to the limiting cover (3); A first plugging slot (101) is provided at the lower end of the power adapter (1) near the two-pin plug (6) and the round-pin plug (7); The three-pin plug (2), the two-pin plug (6) and the round-pin plug (7) are all provided with a plug-in ring (201) and a plurality of electrical interfaces (202) at their lower ends; A rivet block (302) is provided on one side of the limit cover (3) close to the power adapter (1), and a plurality of groups of limit protrusions (304) and a plurality of groups of second rivet grooves (303) are provided on the rivet block (302). A pressure ring (301) is provided on the upper part of the limit cover (3).

2. The modular power adapter with replaceable plug according to claim 1, characterized in that: When in use, the three-pin plug (2), the two-pin plug (6) and the round-pin plug (7) are connected by plugging through the electrical interface (202) and the plug pin (104), and the plug ring (201) and the plug ring groove (105) are connected by plugging.

3. The modular power adapter with replaceable plug according to claim 1, characterized in that: The limiting cover (3) presses the three-pin plug (2), the two-pin plug (6) and the round-pin plug (7) via a pressing ring (301).

4. The modular power adapter with replaceable plug according to claim 1, characterized in that: The three-pin plug (2), the two-pin plug (6) and the round-pin plug (7) are plugged and connected to the first plug slot (101) when they are retracted.

5. The modular power adapter with replaceable plug according to claim 1, characterized in that: The lower part of the limiting cover (3) and the power adapter (1) are connected via a rotating shaft, and the limiting cover (3) is connected via a limiting protrusion (304), a second rivet groove (303) and a first rivet groove (107) on a rivet block (302).

6. The modular power adapter with replaceable plug according to claim 1, characterized in that: The limiting bolt (5) passes through the limiting cover (3) and is connected to the locking hole (106).

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