CN216531096U

CN216531096U - Power adapter

Info

Publication number: CN216531096U
Application number: CN202122966546.0U
Authority: CN
Inventors: 戴威
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-05-13
Anticipated expiration: 2031-11-27

Abstract

The present application relates to a power adapter. The power adapter includes: a housing having electronic components disposed therein; the pins are electrically connected with the electronic assembly and protrude out of the shell; the cover body is rotatably connected with the shell and has a closed state for covering the pins and an open state for exposing the pins; the cover body is maintained in a closed state under the action of a closing force; the cover body comprises a connecting part and a free part, wherein the connecting part is rotatably connected with the shell, the free part is far away from the connecting part, and the closing acting force of the cover body on the connecting part is greater than that of the cover body on the free part. Among the above-mentioned power adapter, in the position that is close to connecting portion, the closure effort that the lid received is great, therefore can ensure that the lid stably maintains in the closure state, and in the position of free portion, the closure effort that the lid received is less, therefore only needs less effort can force the lid to rotate in order to open the lid relative casing, so can make the lid realize being convenient for again and opened when stably closed.

Description

Power adapter

Technical Field

The application relates to the technical field of chargers, in particular to a power adapter.

Background

Power adapters are commonly used to connect and charge electronic devices to a power source. But flip's power adapter has appeared at present, when using, opens the lid upset in order to expose the base pin, after the use, closes the lid upset in order to cover the base pin. However, to ensure a stable closure of the lid, a large closing force is required for the lid, which in turn makes opening of the lid difficult.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a power adapter that can stably close and easily open the cover.

A power adapter, comprising:

a housing having electronic components disposed therein;

the pins are electrically connected with the electronic assembly and protrude out of the shell; and

a cover body which is rotatably connected with the shell and has a closed state covering the pins and an open state exposing the pins; the cover body is maintained in the closed state under the action of a closing force; the cover body comprises a connecting part and a free part, the connecting part is rotatably connected with the shell, the free part is far away from the connecting part, and the closing acting force of the cover body on the connecting part is larger than that of the cover body on the free part.

In the above power adapter, the closing force applied to the cover is large at the position close to the connecting portion, and the closing force applied to the cover is small at the position of the free portion, and the cover is maintained in the closed state under the common cooperation of the closing forces applied to the respective positions. Further, compare with the scheme that the closure effort that connecting portion, free portion received equals, in this application, through the closure effort that makes connecting portion department receive great, therefore can ensure that the lid stably maintains in the closure state, and make the closure effort that free portion department received less, therefore only need less effort can force the lid to rotate in order to open the lid relative casing, so can make the lid realize being convenient for again when stably closed.

Drawings

Fig. 1 is a schematic structural diagram of a power adapter according to an embodiment of the present application, where: (a) the cover body in the power adapter is in a closed state; (b) is a schematic diagram of another view angle of the power adapter with the cover in the closed state; (c) the cover body in the power adapter is in an open state;

FIG. 2 is a cross-sectional view of the power adapter of FIG. 1 with the cover in a closed position;

FIG. 3 is an enlarged view of a portion of the structure shown in FIG. 2;

FIG. 4 is a schematic view of the first magnetic attraction element and the second magnetic attraction element shown in FIG. 3;

FIG. 5 is a schematic view of the first magnetic attraction element and the second magnetic attraction element shown in FIG. 4 in another view angle;

FIG. 6 is a cross-sectional view of the power adapter of FIG. 1 with the cover in an open position;

fig. 7 is a schematic structural diagram of a power adapter according to another embodiment of the present application, where: (a) the cover body in the power adapter is in a closed state; (b) is a schematic diagram of another view angle of the power adapter with the cover in the closed state; (c) the cover body in the power adapter is in an open state;

fig. 8 is a cross-sectional view of the cover of the power adapter shown in fig. 7 in a closed state and an enlarged view of a part of the cover;

fig. 9 is a sectional view of the power adapter shown in fig. 7 with the cover body in an open state.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in many ways different from those described herein, and similar modifications may be made by those skilled in the art without departing from the spirit of the present application, and the present application is therefore not limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above" or "over" a second feature may be directly or obliquely above the second feature, or simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature may be directly or obliquely under the first feature or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The power adapter may be used to connect a power source and an electronic device and to charge the electronic device. In some embodiments, the electronic device is a smartphone, a tablet, a handheld game console, or the like.

As shown in fig. 1, 2, 7, and 8, the power adapter 10 includes a housing 100 and pins 300. An electronic component 500 is disposed in the housing 100, and the pins 300 are electrically connected to the electronic component 500 and extend from the inside of the housing 100 to the outside of the housing 100 to protrude out of the housing 100. The portion of the pin 300 extending out of the housing 100 is connected to a power source, the current supplied by the power source is conducted to the electronic component 500 through the pin 300, and the electronic component 500 regulates and converts the current and the voltage, so that the output voltage and the current charge the electronic device.

In the embodiment of the present application, the pins 300 are made of metal, the number of the pins 300 is two, and the two pins 300 are spaced apart from each other. The power source may provide power to the electronic assembly 500 via the two pins 300. In other embodiments, the number of pins 300 may be three.

In the present embodiment, the housing 100 has a top surface 110, a bottom surface 120, and a side surface 130. Wherein the pins 300 are mounted to the top surface 110. The bottom surface 120 is disposed opposite the top surface 110, and the bottom surface 120 is provided with an output port 140 for connection with an electronic device. The side surface 130 is connected between the top surface 110 and the bottom surface 120, and the top surface 110, the bottom surface 120 and the side surface 130 cooperate together to form a space for accommodating the electronic component 500. Specifically, the sides 130 are rectangular and four in number, such that the housing 100 is cube-shaped. In other embodiments, the side 130 may be cylindrical, so that the housing 100 is cylindrical. Specifically, the output port 140 may be Type-C. In other embodiments, the output port 140 may also be disposed on the side surface 130 or the top surface 110. In other embodiments, the output port 140 may also be of the Type-A, Type-B Type, etc.

Further, the power adapter 10 further includes a cover 700. The cover 700 is rotatably connected to the housing 100 to have a closed state covering the pins 300 and an open state exposing the pins 300. The cover 700 is maintained in a closed state by a closing force. It is understood that the cover 700 covers at least the top surface 110 and forms a space for receiving the pins 300 with the top surface 110 in the closed state, thereby covering the pins 300. In the open state, the cover 700 is rotated to one side of the housing 100 to expose the pins 300 without interfering with the mating of the pins 300 with the power source. The existence of the closing force can prevent the cover body 700 from being switched between the closed state and the open state at will, and ensure that the cover body 700 is stably maintained in the closed state when the power adapter 10 is in the non-working state, so as to protect the pins 300, prevent the pins 300 from being in accidental contact with a power supply, prevent the pins 300 from scratching other objects placed together with the pins 300, and the like. In addition, when the cover 700 needs to be opened to use the pins 300, an operator needs to apply a force to overcome the closing force and rotate the cover 700 to a position at one side of the casing 100 relative to the casing 100, at this time, the pins 300 are exposed to connect with a power supply, and the cover 700 can be held by a human hand, so as to increase the distance between the human hand and the pins 300 and improve the use safety.

Specifically, the housing 100 and the cover 700 are both plastic components to achieve a better insulation effect. In addition, the cover 700 cooperates with the housing 100 to provide an external appearance of the power adapter 10. In the present application, the outer shape of the cover 700 is substantially the same as the outer shape of the case 100, so that the two can be properly matched to form the power adapter 10 having a cubic shape as a whole in the closed state. In other embodiments, the cover 700 may have a different shape from the housing 100, so that the power adapter 10 has another appearance.

As shown in fig. 1, 2, 3, 8, and 9, specifically, the cover 700 includes a connection portion 710 rotatably connected to the housing 100 and a free portion 720 far from the connection portion 710, and a closing force applied to the cover 700 at the connection portion 710 is greater than a closing force applied to the cover 700 at the free portion 720. It will be appreciated that the cover 700 is subjected to a greater closure force at a location proximate the connecting portion 710, while the cover 700 is subjected to a lesser closure force at a location proximate the free portion 720, and the cover 700 is maintained in the closed position in cooperation with the closure forces experienced at the respective locations. Further, compared with the solution that the connecting portion 710 and the free portion 720 are subjected to the same closing force, in the present application, the closing force applied to the connecting portion 710 is relatively large, so that the cover 700 can be stably maintained in the closed state, and the closing force applied to the free portion 720 is relatively small, so that the cover 700 can be forced to rotate relative to the housing 100 to open the cover 700 with relatively small force, and thus the cover 700 can be stably closed and can be conveniently opened.

Specifically, in the embodiment of the present application, the cover 700 is connected to the housing 100 through the connecting member 200, one end of the connecting member 200 is rotatably connected to the cover 700, and the other end of the connecting member 200 is rotatably connected to the housing 100, so that the cover 700 can rotate relative to the housing 100 by disposing the connecting member 200, and the cover 700 and the housing 100 cannot be separated from each other, thereby achieving indirect rotational connection between the cover 700 and the housing 100. Specifically, the position of the cover 700 connected to the connector 200 is referred to as a connection part 710, and the position of the cover 700 away from the connection part 710 is referred to as a free part 720. In other embodiments, the case 100 may have a first connecting lug, and the cover 700 may have a second connecting lug, which are respectively a part of the case 100 and the cover 700 and are rotatably connected together, so as to realize direct rotational connection between the case 100 and the cover 700. Further, the closing force applied to the cover body 700 is gradually reduced from the connection portion 710 to the free portion 720. It can be understood that, in addition to the connection part 710 and the free part 720 being subjected to the closing force, the region therebetween can also be subjected to the closing force, so that the cover body 700 has a larger force-bearing area to stably maintain the closed state. In addition, the closing force tends to decrease gradually from the connecting portion 710 to the free portion 720, so that the flip cover can be more smoothly opened.

In some embodiments, the power adapter 10 includes a magnetic component 900, the magnetic component 900 includes a first magnetic component 910 and a second magnetic component 920, and the first magnetic component 910 and the second magnetic component 920 attract each other to provide a closing force for the cover 700.

As shown in fig. 1 to 5, the cover body 700 includes two cover split bodies 730 rotatably connected to the housing 100, the two cover split bodies 730 are close to each other to make the cover body 700 in a closed state, and the two cover split bodies 730 are far away from each other to make the cover body 700 in an open state. The first magnetic attraction 910 and the second magnetic attraction 920 are respectively mounted on the two cover split bodies 730. Specifically, the two cover split bodies 730 are respectively rotatably connected with the housing 100, and in the process of converting from the open state to the closed state, the two cover split bodies 730 have opposite rotation directions relative to the housing 100 until the two cover split bodies are close to each other, and are maintained in the closed state under the attraction action of the first magnetic attraction piece 910 and the second magnetic attraction piece 920. Specifically, the first magnetic attraction piece 910 and the second magnetic attraction piece 920 are respectively accommodated inside the two cover split bodies 730, so that the first magnetic attraction piece 910 and the second magnetic attraction piece 920 are not exposed.

As shown in fig. 7 to 9, when the cover 700 is an integral structure, the first magnetic member 910 is mounted on the cover 700, and the second magnetic member 920 is mounted on the housing 100, at this time, under the attraction effect of the first magnetic member 910 and the second magnetic member 920, the cover 700 is pressed against the top surface 110, so that the cover 700 is maintained in the closed state. Specifically, the first magnetic element 910 is received in the cover 700, and the second magnetic element 920 is mounted in the housing 100 and is disposed corresponding to the top surface 110.

It should be noted that a connecting line between the connecting portion 710 and the free portion 720 is substantially perpendicular to a direction of the closing force (e.g., F-F direction shown in fig. 3 and 8), and in the two embodiments shown in fig. 3 and 8, the free portion 720 refers to different positions because the direction of the closing force is different.

With reference to fig. 3 to 5, in some embodiments, a cross-sectional area of at least one of the first magnetic attraction 910 and the second magnetic attraction 920 gradually decreases from the connecting portion 710 to the free portion 720. Thus, the magnetic attraction force between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is gradually reduced from the connecting portion 710 to the free portion 720, so as to achieve the purpose of gradually reducing the closing force applied to the cover body 700 from the connecting portion 710 to the free portion 720. It should be noted that the specific meanings of the cross-sectional areas of the first magnetic attraction piece 910 and the second magnetic attraction piece 920 are as follows: a plane parallel to the magnetic attraction force (i.e. the closing force) between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is formed, and the plane cuts off the cross-sectional area of the first magnetic attraction piece 910 and the second magnetic attraction piece 920.

Specifically, the cross-sectional areas of the first magnetic attraction piece 910 and the second magnetic attraction piece 920 are gradually reduced from the connecting portion 710 to the free portion 720. Thus, the magnetic attraction force between the first magnetic attraction element 910 and the second magnetic attraction element 920 is gradually reduced from the connection portion 710 to the free portion 720, and the difference between the magnetic attraction force of the connection portion 710 and the magnetic attraction force of the free portion 720 is large, so that the connection portion 710 enables the cover body 700 to be in the closed state under a large closing action force, and the free portion 720 is easily overcome by a small action force to open the cover body 700. In other embodiments, as shown in fig. 8, only the cross-sectional area of the first magnetic attraction piece 910 gradually decreases from the connection portion 710 to the free portion 720, and the cross-sectional area of the second magnetic attraction piece 920 remains unchanged from the connection portion 710 to the free portion 720. In other embodiments, the cross-sectional area of the first magnetic element 910 can be kept constant from the connecting portion 710 to the free portion 720 by only gradually decreasing the cross-sectional area of the second magnetic element 920 from the connecting portion 710 to the free portion 720.

Further, if the cross-sectional area of the first magnetic member 910 gradually decreases from the connecting portion 710 to the free portion 720, the thickness and/or width of the first magnetic member 910 gradually decreases from the connecting portion 710 to the free portion 720. If the cross-sectional area of the second magnetic member 920 gradually decreases from the connecting portion 710 to the free portion 720, the thickness and/or width of the second magnetic member 920 gradually decreases from the connecting portion 710 to the free portion 720. It can be understood that, for the first magnetic attraction element 910 and the second magnetic attraction element 920, one or both of the thickness and the width thereof gradually decrease from the connection portion 710 to the free portion 720, so as to bring about the effect that the cross-sectional area gradually decreases from the connection portion 710 to the free portion 720.

With reference to fig. 3 to 5, in particular, in the present application, the first magnetic attraction element 910 and the second magnetic attraction element 920 are both block-shaped structures. Defining one side of the first magnetic attraction element 910 facing the second magnetic attraction element 920 as a first surface 911, one side of the first magnetic attraction element 910 facing away from the second magnetic attraction element 920 as a second surface 912, one side of the second magnetic attraction element 920 facing the first magnetic attraction element 910 as a third surface 921, and one side of the second magnetic attraction element 920 facing away from the first magnetic attraction element 910 as a fourth surface 922.

A straight line L1 parallel to the magnetic attraction force (i.e., the closing force) between the first magnetic attraction element 910 and the second magnetic attraction element 920 is made, the straight line L1 has an intersection point a1 with the first surface 911, an intersection point b1 with the second surface 912, an intersection point c1 with the third surface 921, and an intersection point d1 with the fourth surface 922, the distance between the point a1 and the point b1 is the thickness of the first magnetic attraction element 910, and the distance between the point c1 and the point d1 is the thickness of the second magnetic attraction element 920. It is understood that from the connection portion 710 toward the free portion 720, an infinite number of straight lines L1 can be drawn; the distance between the point a1 and the point b1 gradually decreases, which means that the thickness of the first magnetic-attracting element 910 gradually decreases from the connecting part 710 to the free part 720; the distance between the point c1 and the point d1 gradually decreases, which means that the thickness of the second magnetic element 920 gradually decreases from the connecting portion 710 to the free portion 720. It should be noted that, in the present application, the thickness of the first magnetic attraction member 910 and the thickness of the second magnetic attraction member 920 are both gradually reduced from the connection portion 710 to the free portion 720. In other embodiments, only the thickness of the first magnetic attraction piece 910 or only the thickness of the second magnetic attraction piece 920 may be gradually reduced.

A plane M parallel to the magnetic attraction force (i.e. the closing force) between the first magnetic attraction element 910 and the second magnetic attraction element 920 is formed, the plane M intersects with the first surface 911 to form an intersection line M1, the plane M intersects with the third surface 921 to form an intersection line M2, the length of the intersection line M1 is the width of the first magnetic attraction element 910, and the length of the intersection line M2 is the width of the second magnetic attraction element 920. It can be understood that the direction from the connecting portion 710 to the free portion 720 can be an infinite number of planes M, and the gradually decreasing length of the intersecting line M1 represents that the width of the first magnetic member 910 gradually decreases from the connecting portion 710 to the free portion 720; the length of the intersecting line m2 gradually decreases, which means that the width of the second magnetic element 920 gradually decreases from the connecting portion 710 to the free portion 720. It should be noted that, in the present application, the width of the first magnetic attraction piece 910 and the width of the second magnetic attraction piece 920 are both gradually reduced from the connection portion 710 to the free portion 720. In other embodiments, only the width of the first magnetic attraction piece 910 can be gradually reduced, or only the width of the second magnetic attraction piece 920 can be gradually reduced.

In some embodiments, the distance between the first magnetic attraction member 910 and the second magnetic attraction member 920 gradually increases from the connecting portion 710 to the free portion 720. As shown in fig. 3 and 4, the distance between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is gradually increased, so that the magnetic attraction acting force therebetween is gradually decreased from the connecting portion 710 to the free portion 720, and the closing acting force applied to the cover body 700 is gradually decreased from the connecting portion 710 to the free portion 720. Specifically, a plane M parallel to the magnetic attraction force (i.e., the closing force) between the first magnetic attraction element 910 and the second magnetic attraction element 920 is formed, the plane M intersects with the first surface 911 to form an intersection line M1, the plane M intersects with the third surface 921 to form an intersection line M2, and a distance between the intersection line M1 and two nearest points on the intersection line M2 is a distance between the first magnetic attraction element 910 and the second magnetic attraction element 920.

As shown in fig. 3 to fig. 5, the cross-sectional areas of the first magnetic attraction piece 910 and the second magnetic attraction piece 920 are gradually reduced from the connecting portion 710 to the free portion 720, and the distance between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is gradually increased from the connecting portion 710 to the free portion 720, so that the magnetic attraction acting force between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is gradually reduced from the connecting portion 710 to the free portion 720, thereby achieving the purpose of gradually reducing the closing acting force received by the cover body 700 from the connecting portion 710 to the free portion 720. It can be understood that in other embodiments, one, two, or three of the three elements "the cross-sectional area of the first magnetic attraction piece 910 gradually decreases from the connecting portion 710 to the free portion 720", "the cross-sectional area of the second magnetic attraction piece 920 gradually decreases from the connecting portion 710 to the free portion 720", and "the distance between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 gradually increases from the connecting portion 710 to the free portion 720" can be arbitrarily selected to achieve the purpose of gradually decreasing the closing acting force applied to the cover body 700 from the connecting portion 710 to the free portion 720. Further, regarding the element "the cross-sectional area of the first magnetic member 910 gradually decreases from the connecting portion 710 to the free portion 720", one or two of "the thickness of the first magnetic member 910 gradually decreases from the connecting portion 710 to the free portion 720" and "the width of the first magnetic member 910 gradually decreases from the connecting portion 710 to the free portion 720" may be selected; the element "the cross-sectional area of the second magnetic member 920 gradually decreases from the connecting portion 710 to the free portion 720" may be one or both of "the thickness of the second magnetic member 920 gradually decreases from the connecting portion 710 to the free portion 720" and "the width of the second magnetic member 920 gradually decreases from the connecting portion 710 to the free portion 720".

As shown in fig. 8, only the cross-sectional area of the first magnetic attraction piece 910 is gradually reduced from the connection portion 710 to the free portion 720, but the cross-sectional area of the second magnetic attraction piece 920 is not changed, and the distance between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is not changed, at this time, the closing acting force applied to the cover body 700 can be gradually reduced from the connection portion 710 to the free portion 720.

Referring to fig. 6 and 9, in some embodiments, when the cover 700 is in the open state, the outer surface of the cover 700 is tightly attached to the outer surface of the housing 100 under the attraction of the first magnetic attraction 910 and the second magnetic attraction 920. Thus, the cover 700 in the open state can be locked by fully utilizing the attraction effect of the first magnetic attraction piece 910 and the second magnetic attraction piece 920, so as to prevent the cover 700 from rotating freely relative to the housing 100 and affecting the normal operation of the plug 300. In addition, when the cover 700 is opened to use the plug 300, the cover 700 is rotated to be located at one side of the housing 100 relative to the housing 100, and the cover 700 and the housing 100 are locked with each other under the action of the magnetic attraction assembly 900, at this time, the cover 700 can be conveniently held by a human hand, so as to increase the distance between the human hand and the plug 300 and improve the use safety.

Specifically, as shown in fig. 2 and fig. 6, the two cover split bodies 730 can rotate 180 ° relative to the housing 100 until the two cover split bodies 730 respectively abut against the two opposite side surfaces 130 on the two sides of the top surface 110. Thus, in the open state, the two cap split bodies 730 are more convenient for the operator to hold. As shown in fig. 8 and 9, the entire cover 700 can also be rotated 180 ° relative to the housing 100 until the cover 700 abuts against the side 130 of the housing 100.

As shown in fig. 3 to fig. 6, the first magnetic attraction element 910 and the second magnetic attraction element 920 are both magnets. In a closed state, the magnetic properties of the first magnetic attraction piece 910 towards the second magnetic attraction piece 920 and the two sides facing away from the second magnetic attraction piece 920 are opposite, the magnetic properties of the second magnetic attraction piece 920 towards the first magnetic attraction piece 910 and the two sides facing away from the first magnetic attraction piece 910 are opposite, and the magnetic properties of the first magnetic attraction piece 910 and the two sides facing away from the second magnetic attraction piece 920 are opposite. That is, the first surface 911 is opposite to the second surface 912 in magnetism, the third surface 921 is opposite to the fourth surface 922 in magnetism, and the first surface 911 is opposite to the third surface 921 in magnetism. In this way, in the closed state, the first surface 911 and the third surface 921 can be attracted by opposite magnetism, and in the open state, the second surface 912 and the fourth surface 922 can also be attracted by opposite magnetism, so that the two cover split bodies 730 are tightly attached to the side surface 130 of the housing 100.

Specifically, the first magnetic attraction 910 and the second magnetic attraction 920 are both trapezoidal magnets. In other embodiments, only one of the first magnetic attraction 910 and the second magnetic attraction 920 may be a trapezoidal magnet, and the other may be a rectangular magnet. It should be noted that, when the first magnetic attraction piece 910 is a trapezoidal magnet, it means that the first surface 911 and the second surface 912 of the first magnetic attraction piece 910 are both trapezoidal, and when the first magnetic attraction piece 910 is a rectangular magnet, it means that the first surface 911 and the second surface 912 of the first magnetic attraction piece 910 are both rectangular. Further, in the closed state, the second surface 912 of the first magnetic member 910 and the fourth surface 922 of the second magnetic member 920 are perpendicular to the top surface 110, so that after the two cover sub-bodies 730 rotate 180 °, the second surface 912 and the fourth surface 922 can be kept parallel to each other for better attraction. The first surface 911 and the third surface 921 are inclined in opposite directions relative to the top surface 110, so that the thickness of the first magnetic attraction piece 910 and the thickness of the second magnetic attraction piece 920 are both gradually reduced from the connecting portion 710 to the free portion 720, and the distance between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is gradually increased from the connecting portion 710 to the free portion 720.

Specifically, under the condition that the first magnetic attraction piece 910 and the second magnetic attraction piece 920 are both magnets, and the cross-sectional area of at least one of the first magnetic attraction piece 910 and the second magnetic attraction piece 920 is gradually reduced from the connecting portion 710 to the free portion 720, if the cover body 700 is in the closed state, the cover split 730 rotates relative to the housing 100 along with the application of an acting force to the free portion 720, after the cover split 730 rotates by 45 degrees, a repulsive force is generated between the first magnetic attraction piece 910 and the second magnetic attraction piece 920 to assist in pushing the two cover split 730 away from each other, so that the cover opening can be realized only by using a small acting force, and the experience of the cover opening body 700 is improved.

In other embodiments, the first magnetic member 910 can be configured as a magnet, and the second magnetic member 920 can be configured as an iron block. In the closed state, the two sides of the first magnetic attraction 910 facing the second magnetic attraction 920 are opposite to the two sides of the second magnetic attraction 920. It is understood that the first surface 911 is opposite to the second surface 912 in magnetism, such that in the closed state, the first surface 911 can be engaged with the second magnetic member 920, and in the open state, the second surface 912 can still be engaged with the second magnetic member 920. In other embodiments, the second magnetic element 920 can be configured as a magnet, and the first magnetic element 910 can be configured as an iron block.

In the embodiment shown in fig. 8 and 9, the first magnetic attraction element 910 is configured as a magnet, the second magnetic attraction element 920 is configured as an iron block, and in the closed state, the first magnetic attraction element 910 is opposite to the second magnetic attraction element 920 in magnetic direction and opposite to the two sides of the second magnetic attraction element 920. Thus, in a closed state, the first surface 911 attracts the second magnetic attraction member 920, and when the cover 700 rotates relative to the housing 100, the first magnetic attraction member 910 rotates along with the first surface, and when the cover 700 rotates relative to the housing 100 to 180 degrees, the end of the first magnetic attraction member 910 close to the connection portion 710 faces the second magnetic attraction member 920 and can still attract the second magnetic attraction member 920.

It should be noted that, in other embodiments, the first magnetic attraction piece 910 and the second magnetic attraction piece 920 can also be divided into a plurality of fast bodies, and the plurality of block bodies are sequentially arranged from the connecting portion 710 to the free portion 720, and the effect that the first magnetic attraction piece 910 and the second magnetic attraction piece 920 can achieve in this application can still be achieved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A power adapter, comprising:

a housing having electronic components disposed therein;

2. The power adapter as claimed in claim 1, wherein the closing force applied to the cover body is gradually reduced from the connecting portion to the free portion.

3. The power adapter as claimed in claim 2, wherein the power adapter includes a magnetic component, the magnetic component includes a first magnetic component and a second magnetic component, and the first magnetic component and the second magnetic component attract each other to provide the closing force for the cover.

4. The power adapter as claimed in claim 3, wherein at least one of the first and second magnetic attracting members has a cross-sectional area gradually decreasing from the connecting portion to the free portion.

5. The power adapter as claimed in claim 4, wherein if the cross-sectional area of the first magnetic member decreases gradually from the connecting portion to the free portion, the thickness and/or width of the first magnetic member decreases gradually from the connecting portion to the free portion; if the cross-sectional area of the second magnetic part is gradually reduced from the connecting part to the free part, the thickness and/or width of the second magnetic part is gradually reduced from the connecting part to the free part.

6. The power adapter as claimed in claim 3, wherein the distance between the first magnetic attraction piece and the second magnetic attraction piece gradually increases from the connecting portion to the free portion.

7. The power adapter as claimed in claim 3, wherein in the open state, the outer surface of the cover body is tightly attached to the outer surface of the housing under the attraction of the first magnetic attraction member and the second magnetic attraction member.

8. The power adapter as claimed in any one of claims 3 to 7, wherein the cover body comprises two cover split bodies rotatably connected with the housing, the two cover split bodies are close to make the cover body in the closed state, and the two cover split bodies are far away from each other to make the cover body in the open state; the first magnetic attraction piece and the second magnetic attraction piece are respectively arranged on the two cover split bodies.

9. The power adapter as claimed in claim 8, wherein the first and second magnetically attractive members are both magnets; closed state, the orientation of piece is inhaled to first magnetism inhale the orientation of piece the second inhale the piece with dorsad the both sides magnetism of piece is opposite for the second magnetism, the orientation of piece is inhaled to the second magnetism inhale the piece with dorsad the both sides magnetism of piece is opposite for the first magnetism, the first magnetism is inhaled the piece and is inhaled the both sides magnetism that the piece is close to mutually with the second magnetism opposite.

10. The power adapter as claimed in claim 8, wherein the first magnetic member is a magnet and the second magnetic member is an iron block; in the closed state, the first magnetic part is attracted towards the second magnetic part and opposite to the magnetic property of the two sides back to the second magnetic part.

11. The power adapter as claimed in any one of claims 3 to 7, wherein the first magnetic member is mounted to the cover and the second magnetic member is mounted to the housing.

12. The power adapter as claimed in claim 11, wherein the first magnetic member is a magnet and the second magnetic member is an iron block.