CN211404872U - AC-DC power adapter - Google Patents

Abstract

The utility model provides an AC-DC power adapter, which relates to the technical field of power adapters. The upper side wall of the casing is provided with a dustproof component, the side wall of one side of the casing is fixedly connected with an electric wire, and the outer side wall of the casing on the same side as the electric wire is provided with a winding assembly. In the utility model, a dust-proof component is used, and when the plug is not in use, the protective sleeve is installed outside the plug, and then the effect of dust-proof is realized in this way, which ensures that the plug has good electrical conductivity and improves the service life. Coil assembly, place the wire inside the arc slot, and then fix the wire with the cover plate and the bottom plate to realize the function of winding. In this way, the installation work is realized, so that the plug can be inserted into the switch socket.

Description

An AC-DC power adapter

technical field

The utility model relates to the technical field of power adapters, in particular to an AC-DC power adapter.

Background technique

The AC-DC power adapter is the simplest power supply in the power series products. It is mainly composed of a power transformer, a rectifier circuit, and a filter circuit. When working, the AC mains power is converted into the required AC voltage below 36V through the power transformer. After the rectifier circuit After that, the DC voltage with a smoother waveform is obtained through a filter circuit, which is widely used in daily life, and people pay more and more attention to it.

The plug of the existing power adapter is exposed when not in use, which causes dust in the air to fall on the plug during use of the power supply, which affects the use, and the wire is too long, which affects the use.

Utility model content

The purpose of the utility model is to propose an AC-DC power adapter in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical solutions: an AC-DC power adapter, comprising a casing, a fixing plate is fixedly connected to the upper side wall of the casing, and two side walls are fixedly connected to the fixing plate For a symmetrically arranged plug, the upper side wall of the casing is provided with a dust-proof assembly, the side wall of one side of the casing is fixedly connected with an electric wire, and the outer side wall of the casing on the same side as the electric wire is provided with a winding assembly.

Preferably, the winding assembly includes a bottom plate fixedly connected to the outer side wall of the casing, a cover plate is rotatably connected to the upper side wall of the bottom plate, an insert block is fixedly connected to the lower side wall of the cover plate, and the lower end of the insert block is inserted in the Bottom side wall.

Preferably, the upper side wall of the bottom plate is provided with a slot corresponding to the insert block, the insert block is connected inside the slot by interference, and both the upper side wall of the bottom plate and the lower side wall of the cover plate are provided with arc grooves.

Preferably, the dustproof assembly includes a connecting plate, and the side wall of the connecting plate is fixedly connected with a pull block, and the lower side wall of the connecting plate is fixedly connected with two symmetrically arranged protective sleeves.

Preferably, the lower side wall of the casing is provided with a card slot, the pull block and the card slot are matched with each other, and the pull block is in the shape of a cuboid.

Preferably, the protective cover is made of plastic injection molding, and the lower side wall of the protective cover is provided with a groove corresponding to the plug.

beneficial effect

1. In this utility model, a dust-proof component is adopted, and when the plug is not in use, the protective sleeve is installed outside the plug, and then the effect of dust-proof is realized in this way, which ensures that the plug has good conductivity and improves the service life.

2. In the present utility model, a winding assembly is used to place the wire inside the arc groove, and then the cover plate and the bottom plate fix the wire to realize the function of winding.

Description of drawings

Fig. 1 is the front perspective structural view of a kind of AC-DC power adapter proposed by the utility model;

Fig. 2 is a bottom perspective structural view of an AC-DC power adapter proposed by the utility model;

FIG. 3 is a side structural view of an AC-DC power adapter proposed by the utility model.

illustration:

1. Shell; 2. Dust-proof assembly; 21. Connecting plate; 22. Pull block; 23. Protective sleeve; 3. Fixing plate; 4. Plug; 5. Electric wire; 6. Winding assembly; 61. Bottom plate; 62 , cover plate; 63, insert block; 7, card slot.

Detailed ways

In order to make it easier to understand the technical means, creative features, goals and effects realized by the present invention, the present invention will be further described below in conjunction with the specific embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention. , not all. Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings.

specific embodiment

1-3, an AC-DC power adapter includes a housing 1, a fixing plate 3 is fixedly connected to the upper side wall of the housing 1, and two symmetrically arranged plugs 4 are fixedly connected to the upper side wall of the fixing plate 3, The upper side wall of the housing 1 is provided with a dust-proof assembly 2, and the dust-proof assembly 2 includes a connecting plate 21, and the upper side wall of the connecting plate 21 is fixedly connected with a pull block 22, and the lower side wall of the connecting plate 21 is fixedly connected with two symmetrically arranged. The protective sleeve 23, when the plug 4 is not in use, is installed outside the plug 4, so as to achieve the effect of dust prevention, thus ensuring the plug 4 has good electrical conductivity and improving the service life.

A wire 5 is fixedly connected to one side wall of the casing 1, and the outer side wall of the casing 1 located on the same side as the wire 5 is provided with a winding assembly 6. The winding assembly 6 includes a bottom plate 61 that is fixedly connected to the outer wall of the casing 1. And the upper side wall of the bottom plate 61 is rotatably connected with a cover plate 62, the lower side wall of the cover plate 62 is fixedly connected with an insert block 63, and the lower end of the insert block 63 is inserted into the upper side wall of the bottom plate 61, and the upper side wall of the bottom plate 61 is provided with an insert block. 63 corresponds to the slot, the insert block 63 is connected inside the slot by interference, the upper side wall of the bottom plate 61 and the lower side wall of the cover plate 62 are provided with arc grooves, the lower side wall of the housing 1 is provided with a card slot 7, and the pull block 22 and the card slot 7 are matched with each other, the pull block 22 is a cuboid, the protective cover 23 is made of plastic injection molding, the lower side wall of the protective cover 23 is provided with a groove corresponding to the plug 4, and the wire 5 is placed inside the arc-shaped groove, Then the cover plate 62 and the bottom plate 61 fix the wire 5 to realize the function of winding, and the plug 63 is inserted into the slot, thus realizing the fixation of the wire 5. When in use, remove the protective cover 23 , and then insert the pull block 22 into the card slot 7, so as to realize the installation work, so that the plug 4 can be inserted into the switch socket, and the adapter can be used.

The working principle of the utility model: when the plug 4 is not in use, the protective cover 23 is installed outside the plug 4, and then the effect of dust prevention is realized in this way, which ensures that the plug 4 has good conductivity and improves the service life. When in use, the protective cover 23 is removed, and then the pull block 22 is inserted into the card slot 7, which realizes the installation work, so that the plug 4 can be inserted into the switch socket, and the wire 5 can be placed in the arc slot. Inside, the cover plate 62 and the bottom plate 61 fix the wire 5 to realize the function of winding.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An AC-DC power adapter, comprising a casing (1), characterized in that: a fixing plate (3) is fixedly connected to the upper side wall of the casing (1), and the upper side wall of the fixing plate (3) is fixed Two symmetrically arranged plugs (4) are connected, the upper side wall of the casing (1) is provided with a dustproof component (2), and the side wall of one side of the casing (1) is fixedly connected with a wire (5), A winding assembly (6) is provided on the outer side wall of the casing (1) on the same side as the electric wire (5). 2. An AC-DC power adapter according to claim 1, characterized in that: the winding assembly (6) comprises a bottom plate (61) fixedly connected to the outer side wall of the casing (1), and the bottom plate (61) ) The upper side wall is rotatably connected with a cover plate (62), the lower side wall of the cover plate (62) is fixedly connected with an insertion block (63), and the lower end of the insertion block (63) is inserted into the upper side wall of the bottom plate (61). 3. An AC-DC power adapter according to claim 2, characterized in that: the upper side wall of the bottom plate (61) is provided with a slot corresponding to a plug (63), and the plug (63) The interference connection is inside the slot, and the upper side wall of the bottom plate (61) and the lower side wall of the cover plate (62) are both provided with arc-shaped grooves. 4 . The AC-DC power adapter according to claim 1 , wherein the dust-proof assembly ( 2 ) comprises a connecting plate ( 21 ), and a pull block is fixedly connected to the upper side wall of the connecting plate ( 21 ). 5 . (22), two symmetrically arranged protective sleeves (23) are fixedly connected to the lower side wall of the connecting plate (21). 5. An AC-DC power adapter according to claim 4, characterized in that: the lower side wall of the casing (1) is provided with a card slot (7), the pull block (22) and the card slot ( 7) Matching each other, the pulling block (22) is in the shape of a rectangular parallelepiped. 6. An AC-DC power adapter according to claim 4, characterized in that: the protective cover (23) is made of plastic injection molding, and the lower side wall of the protective cover (23) is provided with a plug (4) ) corresponding to the groove.

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