CN209948978U - Portable power adapter - Google Patents

Abstract

The utility model discloses a portable power adapter, which comprises a housin, it has first cylinder and second cylinder to peg graft respectively to the inner chamber left and right sides of casing, the second cylindrical outer wall bottom has connected the wind spring through the connecting axle coupling, the anticlockwise winding of wind spring is in the outer wall of connecting axle, the anticlockwise winding of the other end of wind spring is in first cylindrical outer wall, the inner chamber bottom end coupling of bearing and casing is passed through to first cylindrical bottom, the clockwise winding of first cylindrical outer wall bottom has the wire, first cylindrical inner chamber is pegged graft and is had the connecting rod, the bottom joint of connecting rod has the plectane, first spring has been cup jointed to the outer wall bottom of connecting rod. According to the portable power adapter, the device can wind and tighten the power line of the power adapter by utilizing the coil spring, so that the portable power adapter is more attractive and tidy, is not easy to scatter and lose, and is convenient to arrange and carry.

Description

Portable power adapter

Technical Field

The utility model relates to a power adapter technical field specifically is a portable power adapter.

Background

The power adapter is the power supply transform equipment of small-size portable electronic equipment and electronic appliance, generally by components and parts such as shell, transformer, inductance, electric capacity, control IC, PCB board constitute, its theory of operation converts alternating current input into direct current output, current power adapter generally is equipped with supporting power cord, when carrying, the power cord needs fix in the outside of power adapter through the fixed band that is equipped with the magic subsides after arranging well, perhaps directly twine in the power adapter outside, it is neither pleasing to the eye, and easily in disorder moreover, portable not convenient.

Disclosure of Invention

An object of the utility model is to provide a portable power adapter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable power adapter comprises a shell, wherein a first cylinder and a second cylinder are respectively inserted into the left side and the right side of an inner cavity of the shell, the bottom end of the outer wall of the second cylinder is connected with a coil spring through a connecting shaft in a shaft-to-shaft manner, the coil spring is wound on the outer wall of the connecting shaft in an anticlockwise manner, the other end of the coil spring is wound on the outer wall of the first cylinder in an anticlockwise manner, the bottom end of the first cylinder is connected with the bottom end of the inner cavity of the shell in a shaft-to-shaft manner through a bearing, one end of a lead is wound on the bottom end of the outer wall of the first cylinder in an anticlockwise manner, the other end of the lead extends out of a through hole formed in the top end of the left side of the inner cavity of the shell, a connecting rod is inserted into the inner cavity of the first cylinder, a circular plate is clamped at the bottom end of the bottom, first recess and second recess have been seted up on first cylindrical top surface, the length of first recess is greater than the second recess, and first recess runs through first cylindrical top surface, the top joint of connecting rod has the connecting block, and inlays the inner chamber at the second recess in the connecting block, the inner chamber central point of connecting block puts to peg graft and has the baffle, the outside joint of baffle has the second spring that is in the state of tightening up, the outside joint of second spring has the connecting plate, the outside joint of connecting plate has the fixture block, the inner chamber of connecting block is extended in the outside of fixture block, and contacts with the inner wall of the front and back both sides of second recess, the top surface left end front side of casing is equipped with the draw-in groove, and two draw-in grooves are located the left and right sides of first recess.

Preferably, the wire is located at the top end of the coil spring.

Preferably, the inner cavity of the first cylinder is in a shape of a Chinese character 'tu'.

Preferably, the number of the clamping grooves is two, and the two clamping grooves are symmetrically arranged relative to the first cylinder.

Preferably, the first groove and the second groove are in a cross shape.

Compared with the prior art, the beneficial effects of the utility model are that:

this portable power adapter, it is rotatory to drive first cylinder through the pulling force of coil spring, can twine the wire and tighten up, convenient arrangement, can fix first cylinder through draw-in groove and fixture block, prevent when using the wire, the pulling force through the coil spring drives the inner chamber that first cylinder is rotatory to be accomodate into the casing with the wire, can fix the fixture block through the second recess, thereby realize when the pulling wire, the wire drives the rotatory release wire of first cylinder, the device utilizes the coil spring to tighten up the winding of power adapter power cord, make it more pleasing to the eye neat, be difficult for in disorder and lose, be convenient for arrange and carry.

Drawings

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

fig. 2 is a top view of the housing of the present invention;

fig. 3 is a cross-sectional view of the connecting block of the present invention.

The numerical designations in the drawings are respectively:

1. the device comprises a shell, 2, a first cylinder, 3, a second cylinder, 4, a connecting shaft, 5, a coil spring, 6, a bearing, 7, a wire, 8, a connecting rod, 9, a circular plate, 10, a first spring, 11, a first groove, 12, a second groove, 13, a connecting block, 14, a baffle, 15, a second spring, 16, a connecting plate, 17, a clamping block, 18 and a clamping groove.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, a portable power adapter comprises a housing 1, a first cylinder 2 and a second cylinder 3 are respectively inserted into the left side and the right side of an inner cavity of the housing 1, the inner cavity of the first cylinder 2 is in a shape of a Chinese character 'tu', the bottom end of the outer wall of the second cylinder 3 is coupled with a coil spring 5 through a connecting shaft 4, the model of the coil spring 5 is 0.2 to 10mm, the first cylinder 2 is driven to rotate by the pulling force of the coil spring 5, a wire 7 can be wound and tightened, the coil spring 5 is wound and tightened on the outer wall of the connecting shaft 4 counterclockwise, the coil spring 5 can be wound and tightened on the outer wall of the connecting shaft 4 through the connecting shaft 4 and is convenient to wind and release the coil spring 5, the other end of the coil spring 5 is wound on the outer wall of the first cylinder 2 counterclockwise, the bottom end of the first cylinder 2 is coupled with the bottom end of the inner cavity of the housing 1 through a bearing 6, the other end of the wire 7 extends out of a through hole formed in the top end of the left side of the inner cavity of the shell 1, the wire 7 is located at the top end of the coil spring 5, a connecting rod 8 is inserted in the inner cavity of the first cylinder 2, a circular plate 9 is clamped at the bottom end of the connecting rod 8, a first spring 10 is sleeved at the bottom end of the outer wall of the connecting rod 8, the first spring 10 is a spiral spring, the elastic coefficient is 20N/CM, the first spring 10 generates elastic deformation after being stretched or extruded and recovers to an initial state after external force is removed, the top end of the first spring 10 is clamped with the inner wall of the inner cavity of the first cylinder 2, the bottom end of the first spring 10 is contacted with the top end of the circular plate 9, a first groove 11 and a second groove 12 are formed in the surface of the top end of the first cylinder 2, the length of the first groove 11 is larger than that of the second groove 12, the first groove 11 penetrates through the surface of the top, the fixture block 17 can be fixed through the second groove 12, so that when the lead 7 is pulled, the lead 7 drives the first cylinder 2 to rotate and release the lead 7, the connecting block 13 is clamped at the top end of the connecting rod 8, the connecting block 13 is embedded in the inner cavity of the second groove 12, the baffle 14 is inserted in the center position of the inner cavity of the connecting block 13, the second spring 15 in a tightened state is clamped at the outer side of the baffle 14, the second spring 15 is a spiral spring, the elastic coefficient is 21N/CM, the second spring 15 generates elastic deformation after being stretched or extruded and recovers to an initial state after external force is removed, the connecting plate 16 is clamped at the outer side of the second spring 15, the fixture block 17 is clamped at the outer side of the connecting plate 16, the outer side of the fixture block 17 extends out of the inner cavity of the connecting block 13 and is in contact with the inner walls at the front side and the rear side of the second groove 12, a, and two draw-in grooves 18 are located the left and right sides of first recess 11, and the quantity of draw-in groove 18 is two, and two draw-in grooves 18 are relative first cylinder 2 symmetry setting, can fix first cylinder 2 through draw-in groove 18 and fixture block 17, prevent when using wire 7, and the pulling force through coil spring 5 drives first cylinder 2 rotatory and accomodates into the inner chamber of casing 1 with wire 7.

The use flow and principle of the embodiment are as follows:

when the wire 7 of the power adapter needs to be used, one end of the outer side of the wire 7 is pulled outwards, so that the wire 7 drives the first cylinder 2 to rotate anticlockwise through the bearing 6 at the bottom end, the first cylinder 2 rotates and simultaneously winds and tightens the coil spring 5 on the outer wall of the first cylinder 2, the coil spring 5 is released by rotating the connecting shaft 4 when winding towards the outer wall of the first cylinder 2, the coil spring 5 on the outer wall of the connecting shaft 4 has a pulling force for pulling the first cylinder 2 to rotate clockwise, when the wire 7 is moved out of the inner cavity of the shell 1 for a user to use, the connecting block 13 is pulled upwards, the connecting block 13 drives the connecting rod 8 and the circular plate 9 to move upwards to extrude the first spring 10, the first spring 10 is stressed and deformed to give reverse pushing force to the circular plate 9, and when the connecting block 13 is moved out of the inner cavity of the second groove 12, the elastic force of the second spring 15 recovering the deformation pushes the, two thirds of the area of the clamping block 17 is outside the inner cavity of the connecting block 13, one third of the area is in the inner cavity of the connecting block 13, when the fixture block 17 is completely ejected, the sum of the lengths of the connecting block 13 and the two fixture blocks 17 ejected out of the inner cavity of the connecting block 13 is greater than the length of the first groove 11, when the connecting block 13 is rotated clockwise by 90 degrees to a horizontal position, the external force applied to the connecting block 13 is removed, the elastic force of the first spring 10 which recovers deformation pushes the circular plate 9 downwards, the circular plate 9 drives the connecting block 13 to move downwards to the inner cavity of the first groove 11 through the connecting rod 8, the connecting block 13 drives the fixture block 17 to move downwards to the inner cavity of the clamping groove 18 and then stops, the fixture block 17 enters the inner cavity of the clamping groove 18 under the elastic force of the spring 15 and contacts with the inner wall of, therefore, the first cylinder 2 can be fixed by matching the clamping block 17 clamped in the inner cavity of the connecting block 13 with the clamping groove 18, and the first cylinder 2 is prevented from rotating;

accomodate the arrangement after having used power adapter, upwards pull rotatory 90 degrees with connecting block 13, exert thrust with fixture block 17 to the inner chamber of connecting block 13, make it remove in-connection piece 13's inner chamber after, move connecting block 13 to the inner chamber after-fixing of second recess 12 downwards, pull force through coil spring 5 drives first cylinder 2 clockwise rotation and tightens up the outer wall at first cylinder 2 with the wire 7 winding, the device simple structure, control convenient to use, be convenient for arrange in order and carry power adapter power cord.

The foregoing is merely a preferred embodiment of the present invention, and it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A portable power adapter comprising a housing (1), characterized in that: the left side and the right side of an inner cavity of the shell (1) are respectively spliced with a first cylinder (2) and a second cylinder (3), the bottom end of the outer wall of the second cylinder (3) is connected with a coil spring (5) through a connecting shaft (4) in a shaft mode, the coil spring (5) is wound on the outer wall of the connecting shaft (4) in an anticlockwise mode, the other end of the coil spring (5) is wound on the outer wall of the first cylinder (2) in the anticlockwise mode, the bottom end of the first cylinder (2) is connected with the bottom end of the inner cavity of the shell (1) in a shaft mode through a bearing (6), one end of a wire (7) is wound on the bottom end of the outer wall of the first cylinder (2) in the anticlockwise mode, the other end of the wire (7) extends out of a through hole formed in the top end of the left side of the inner cavity of the shell (1), a connecting rod (8) is spliced in the inner cavity of the first cylinder (2), a, the top end of the first spring (10) is clamped with the inner wall of the inner cavity of the first cylinder (2), the bottom end of the first spring (10) is in contact with the top end of the circular plate (9), a first groove (11) and a second groove (12) are formed in the top end surface of the first cylinder (2), the length of the first groove (11) is larger than that of the second groove (12), the first groove (11) penetrates through the top end surface of the first cylinder (2), the top end of the connecting rod (8) is clamped with a connecting block (13), the connecting block (13) is embedded in the inner cavity of the second groove (12), a baffle (14) is inserted in the center position of the inner cavity of the connecting block (13), a second spring (15) in a tightened state is clamped on the outer side of the baffle (14), a connecting plate (16) is clamped on the outer side of the second spring (15), and a clamping block (17) is clamped on the outer side of the connecting plate (16), the outer side of the clamping block (17) extends out of an inner cavity of the connecting block (13) and is in contact with the inner walls of the front side and the rear side of the second groove (12), a clamping groove (18) is formed in the front side of the left end of the top end surface of the shell (1), and the two clamping grooves (18) are located in the left side and the right side of the first groove (11).

2. The portable power adapter as claimed in claim 1, wherein: the lead (7) is positioned at the top end of the coil spring (5).

3. The portable power adapter as claimed in claim 1, wherein: the inner cavity of the first cylinder (2) is in a convex shape.

4. The portable power adapter as claimed in claim 1, wherein: the number of the clamping grooves (18) is two, and the two clamping grooves (18) are symmetrically arranged relative to the first cylinder (2).

5. The portable power adapter as claimed in claim 1, wherein: the first groove (11) and the second groove (12) are in a cross shape.

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