Power adapter convenient to fix

Abstract

The utility model discloses a power adapter convenient to fix, which relates to the field of power adapters and comprises a box body, a plurality of fixing cylinders which downwards penetrate out of the box body are fixedly connected in the box body, sliding cylinders are slidably connected in the fixing cylinders, suckers are fixedly connected at the bottom ends of the sliding cylinders, and the power adapter further comprises a piston. The piston is fixedly connected to the bottom end of the fixing column and attached to the inner wall of the sliding cylinder, the top end of the fixing column is connected with the top end of the inner wall of the fixing cylinder, and the piston is located at the position higher than the suction cup before the sliding cylinder and the fixing cylinder do not slide relatively. A locking structure used for limiting the fixed cylinder to slide towards the suction cup is arranged between the fixed cylinder and the sliding cylinder. According to the utility model, the piston slides on the inner wall of the sliding cylinder to increase the volume of the internal space of the sucker, so that the negative pressure in the sucker is further improved, and the stability of the power adapter during placement is effectively improved through a simple structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power adapter, specifically to a power adapter convenient to fix. BACKGROUND

[0002] The power adapter is the power supply conversion equipment of small portable electronic equipment and electronic appliances, generally composed of shell, transformer, inductor, capacitor, control IC, PCB and other components, and its working principle is to convert AC input into DC output.

[0003] The Chinese patent with the related announcement number CN213093504U discloses a power adapter convenient to fix, which comprises a protective shell, a storage tank movably connected to the inner side of the protective shell, a connecting sleeve rod fixedly installed at each end of the storage tank, a steel cable fixedly installed at the two sides of the two connecting sleeve rods, a clamping column fixedly installed at one side of the steel cable, a compression spring fixedly installed at one side of the clamping column, an extension column fixedly installed at one side of the compression spring, the extension column being connected to the storage tank through a hose, a fixed plate fixedly installed at one side of the lower end of the extension column, a limiting hole provided at one side of the fixed plate, and a suction cup fixedly installed at the lower end of the extension column.

[0004] For the above-mentioned related technology, in order to realize the function of convenient fixation by using the suction cup, the existing power adapter is provided with complex structures such as storage tank and air guide pipeline, which easily occupies the limited space inside the power adapter and further increases the manufacturing cost of the power adapter. In summary, the existing power adapter convenient to fix has a relatively complex structure. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide a power adapter convenient to fix to solve the technical problem of the existing power adapter convenient to fix with a relatively complex structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a power adapter convenient to fix, comprising a box body, a plurality of fixed cylinders downwardly penetrating through the box body are fixedly connected in the box body, a sliding cylinder is slidably connected in the fixed cylinder, a suction cup is fixedly connected to the bottom end of the sliding cylinder, a piston is fixedly connected to the bottom end of the fixed column and is in close contact with the inner wall of the sliding cylinder, the top end of the fixed column is connected with the top end of the inner wall of the fixed cylinder, the piston is located at a position higher than the suction cup before the sliding cylinder and the fixed cylinder do not slide relative to each other, and a locking structure for limiting the sliding of the fixed cylinder towards the suction cup is arranged between the fixed cylinder and the sliding cylinder.

[0007] By adopting the above technical scheme, the sliding of the piston on the inner wall of the sliding cylinder increases the volume of the internal space of the suction cup, further improves the negative pressure in the suction cup, and thus effectively improves the stability of the power adapter when it is placed with a simple structure.

[0008] The utility model further sets up, the top end of fixed cylinder is annular interval and is provided with the air vent.

[0009] As preferred, the air vent is used to balance the air pressure above the piston inside the sliding cylinder.

[0010] The utility model further sets up, the top end of the sucking disc is rotationally connected with the magnetic top rod, the bottom end of the fixed cylinder is provided with annular strong magnetic ring and weak magnetic ring from inside to outside in turn in the stepped shape, the height of the strong magnetic ring is higher than the height of the weak magnetic ring.

[0011] As preferred, the two groups of magnetic ring structures provided in the stepped shape are used to realize the clamping cooperation with the magnetic top rod.

[0012] The utility model further sets up, when the fixed cylinder and the sliding cylinder do not slide relatively, the weak magnetic ring of the bottom end of the fixed cylinder is in contact with the magnetic top rod in the horizontal state, and the bottom surface of the magnetic top rod in the horizontal state is in contact with the top surface of the sucking disc.

[0013] As preferred, when the fixed cylinder and the sliding cylinder slide relatively, the magnetic top rod can be smoothly sucked up.

[0014] The utility model further sets up, after the magnetic top rod is separated from the contact with the strong magnetic ring, can be rotated reset by its own gravity.

[0015] As preferred, when the power adapter needs to be taken away, the box body is lifted upward, the strong magnetic ring and the weak magnetic ring are away from the magnetic top rod, and the magnetic top rod is reset by its own gravity.

[0016] The utility model further sets up, the width of the strong magnetic ring is same with the thickness of the magnetic top rod.

[0017] As preferred, the magnetic top rod can be more stably clamped between the weak magnetic ring and the outer wall of the sliding cylinder.

[0018] The utility model further sets up, four fixed cylinders are connected in the box body, and the four fixed cylinders are respectively located at the four corners in the box body.

[0019] As preferred, the fixed structure arranged at the four corners can effectively improve the stability degree when the power adapter is placed.

[0020] In summary, the utility model mainly has the following beneficial effects:

[0021] 1. The utility model discloses a vacuum adsorption mechanism is set up to the bottom of box body, needs to place the box body in the placement surface, first presses down the box body to the placement surface, and the partial air in the suction cup is discharged to produce certain negative pressure, then reversely lifts the box body to make the fixed cylinder and the sliding cylinder relatively slide, and the piston slides in the inner wall of sliding cylinder and increases the volume of the inside space of suction cup, further promotes the negative pressure in the suction cup, and then effectively promotes the stable degree of power adapter placement with simple structure.

[0022] 2. The utility model discloses a locking structure is set up to the bottom of fixed cylinder outer wall and the top end of suction cup of sliding cylinder, and when the fixed cylinder and the sliding cylinder relatively slide, the locking structure can complete the location of both, avoids the fixed cylinder and slide to the direction of suction cup because of the negative pressure in the suction cup, and further promotes the stable degree of power adapter placement. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the perspective drawing of the utility model;

[0024] Fig. 2 It is another perspective drawing of the utility model;

[0025] Fig. 3 It is the inside structure perspective drawing of the box body of the utility model;

[0026] Fig. 4 It is the inside structure perspective drawing of the fixed cylinder of the utility model and the sliding cylinder relatively slide state;

[0027] Fig. 5 It is the inside structure perspective drawing of the fixed cylinder of the utility model and the sliding cylinder relatively slide state;

[0028] Fig. 6 It is the fixed cylinder perspective drawing of the utility model.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, box body;2, box cover;3, fixed cylinder;4, sliding cylinder;5, fixed column;6, piston;7, air vent;8, strong magnetic ring;9, weak magnetic ring;10, magnetic top rod;11, suction cup. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0032] The embodiments of the utility model will be described below according to the overall structure.

[0033] First embodiment:

[0034] A power adapter convenient to fix, please refer to Figs. 1-6 , including box body 1, the top end of box body 1 is connected with box cover 2, a plurality of fixed cylinder 3 downward penetrating box body 1 is fixedly connected in box body 1, the bottom end of sliding cylinder 4 is fixedly connected with suction cup 11. Specifically, four fixed cylinders 3 are connected in box body 1, and the four corners of the fixed structure in the four corners of the box body 1 can effectively improve the stability of the power adapter when it is placed. The bottom end of the sliding cylinder 4 is fixedly connected with the suction cup 11.

[0035] Further comprising piston 6, piston 6 is fixedly connected to the bottom end of fixed column 5, and is in close contact with the inner wall of sliding cylinder 4, the top end of fixed column 5 is connected with the top end of the inner wall of fixed cylinder 3, the piston is in the position higher than the suction cup 11 before the relative sliding of sliding cylinder 4 and fixed cylinder 3, the locking structure is arranged between fixed cylinder 3 and sliding cylinder 4 for limiting the sliding of fixed cylinder 3 towards the direction of suction cup 11, the top end of fixed cylinder 3 is annularly and spacedly provided with air vent 7, and the air pressure above piston 6 in sliding cylinder 4 is balanced by air vent 7.

[0036] Second embodiment:

[0037] A power adapter convenient to fix, please refer to Figs. 1-6 , the top end of the suction cup 11 is rotatably connected with the magnetic top rod 10, the bottom end of the fixed cylinder 3 is stepwise provided with annular strong magnetic ring 8 and weak magnetic ring 9 from inside to outside, specifically, the magnetic force of the strong magnetic ring 8 is stronger than that of the weak magnetic ring 9, and the magnetic force of the weak magnetic ring 9 is weaker than that of the strong magnetic ring 8, and the height of the strong magnetic ring 8 is higher than that of the weak magnetic ring 9, and the two groups of magnetic ring structures arranged in steps are used to realize the clamping cooperation with the magnetic top rod 10.

[0038] Specifically, when the fixed cylinder 3 and the sliding cylinder 4 do not slide relative to each other, the weak magnetic ring 9 at the bottom end of the fixed cylinder 3 is in contact with the magnetic top rod 10 in the horizontal state, and the bottom surface of the magnetic top rod 10 in the horizontal state is in contact with the top surface of the suction cup 11, so that the magnetic top rod 10 can be smoothly sucked up when the fixed cylinder 3 and the sliding cylinder 4 slide relative to each other.

[0039] Further, the magnetic top rod 10 can be rotated to reset under its own gravity after being separated from the strong magnetic ring 8, specifically, when the magnetic top rod 10 is erected, its center of gravity deviates from the end of its own rotating shaft away from the sliding cylinder 4, so that the magnetic top rod 10 will rotate to reset to the horizontal state under its own gravity without the limiting of the strong magnetic ring 8 or the weak magnetic ring 9. When the power adapter needs to be removed, the box body 1 is lifted up, so that the strong magnetic ring 8 and the weak magnetic ring 9 are away from the magnetic top rod 10, and the magnetic top rod 10 will reset under its own gravity. The width of the strong magnetic ring 8 is the same as the thickness of the magnetic top rod 10, so that the magnetic top rod 10 can be more stably clamped between the weak magnetic ring 9 and the outer wall of the sliding cylinder 4.

[0040] The utility model discloses in the specific work time:

[0041] The box body 1 is pressed to the arrangement plane, and the partial air in the suction cup 11 is discharged to make the suction cup 11 be in the negative pressure state, and the fixation of the box body 1 is primarily completed;

[0042] Then the box body 1 is lifted up, and the piston 6 slides in the sliding cylinder 4, and the fixed cylinder 3 and the sliding cylinder 4 slide relatively at this time, and the air pressure in the suction cup 11 is further reduced by the sliding of the piston 6, and then the power adapter can be better fixed by using atmospheric pressure, and when the fixed cylinder 3 and the sliding cylinder 4 slide relatively, the weak magnetic ring 9 contacts and adsorbs the magnetic jacking rod 10 to make it rotate and gradually stand up, and when the magnetic jacking rod 10 is about to stand up, the top end of the magnetic jacking rod 10 approaches the magnetic force range of the strong magnetic ring 8, and the magnetic jacking rod 10 is attracted into the weak magnetic ring 9 and the outer wall of the sliding cylinder 4 by the strong magnetic ring 8, and then the box body 1 is loosened, and the box body 1 keeps the tendency of moving downward under the action of the negative pressure in the suction cup 11, and the magnetic jacking rod 10 in the vertical state can limit the sliding of the fixed cylinder 3 towards the suction cup 11, so that the stable arrangement of the power adapter can be conveniently realized;

[0043] And when the power adapter needs to be taken away, the box body 1 is continuously lifted up to make the top end of the magnetic jacking rod 10 away from the magnetic force range of the strong magnetic ring 8 and the weak magnetic ring 9, and the magnetic jacking rod 10 is rotated and reset by its own gravity, and then the box body 1 is loosened to make the fixed cylinder 3 and the sliding cylinder 4 slide relatively and reset, and then the box body 1 is inclined to one side, and the suction cup 11 on one side is separated from the arrangement surface first, and then the box body 1 is reversely inclined to separate the suction cup 11 on the other side from the arrangement surface, so that the arrangement state of the power adapter can be conveniently released.

[0044] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification without departing from the principles and the purpose of the utility model, and the utility model is protected by the patent law in the claim range of the utility model.

Claims

1. A power adapter for easy fixing, characterized in that, Include: Box (1), a plurality of fixedly connected to the box (1) downward through the fixed cylinder (3), the fixed cylinder (3) is slidably connected with the sliding cylinder (4), the bottom end of the sliding cylinder (4) is fixedly connected with the suction cup (11); Piston (6), the piston (6) is fixedly connected to the bottom end of the fixed column (5), and is in contact with the inner wall of the sliding cylinder (4), the top end of the fixed column (5) is connected with the top end of the inner wall of the fixed cylinder (3), the piston is in the position higher than the suction cup (11) before the sliding cylinder (4) and the fixed cylinder (3) do not slide relative to each other, the fixed cylinder (3) and the sliding cylinder (4) are provided with a locking structure for limiting the sliding of the fixed cylinder (3) towards the suction cup (11).

2. The easily attachable power adapter of claim 1, wherein: The top end of the fixed cylinder (3) is annularly spaced apart and provided with a breathable port (7).

3. The easily attachable power adapter of claim 1, wherein: The top end of the suction cup (11) is rotatably connected with the magnetic top rod (10), the bottom end of the fixed cylinder (3) is sequentially provided with annular strong magnetic ring (8) and weak magnetic ring (9) from inside to outside in step shape, the height of the strong magnetic ring (8) is higher than the height of the weak magnetic ring (9).

4. The easily attachable power adapter of claim 3, wherein: When the fixed cylinder (3) and the sliding cylinder (4) do not slide relative to each other, the weak magnetic ring (9) at the bottom end of the fixed cylinder (3) is in contact with the magnetic top rod (10) in horizontal state, the bottom surface of the magnetic top rod (10) in horizontal state is in contact with the top surface of the suction cup (11).

5. The easily attachable power adapter of claim 3, wherein: The magnetic top rod (10) can rotate and reset under its own gravity after being separated from the strong magnetic ring (8).

6. The easily attachable power adapter of claim 3, wherein: The width of the strong magnetic ring (8) is the same as the thickness of the magnetic top rod (10).

7. The easily attachable power adapter of claim 1, wherein: There are four fixed cylinders (3) connected in the box (1), and the four fixed cylinders (3) are respectively located at the four corners of the box (1).

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