CN218352407U - Portable power adapter - Google Patents

Abstract

The utility model discloses a portable power adapter, which comprises an adapter, the two ends of the adapter are connected with wires, the bottom of the adapter is provided with a backboard, and the two ends of the bottom of the backboard are fixed with torsion spring movable seats , the two limit brackets are pulled out from the socket through the rotation of the torsion spring movable seat, the two wires can be wound on the limit brackets at both ends, and the limit brackets wound with the wires are inserted into the socket and pass through After the adjusting screw is rotated, it is inserted into the limit hole to achieve the limit effect, and the plugs at both ends of the wire can be limited between the strap and the back through the wrapping of the two straps and the bonding of the hook surface of the Velcro and the sticky surface of the Velcro. Between the plates, so that the plug and the wire will not fall off from the end of the limit bracket away from the torsion spring movable seat, which increases the limit effect on it and avoids the problem of scattering due to extrusion and staggering during carrying and moving.

Description

A portable power adapter

technical field

The utility model relates to the technical field of power adapters, in particular to a portable power adapter.

Background technique

The power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances. It is generally composed of housings, transformers, inductors, capacitors, control ICs, PCB boards and other components. Its working principle is converted from AC input to DC output. Press the connection The method can be divided into wall-plug type and desktop type, which are widely used in notebook computers, security cameras, set-top boxes, routers, light strips, massagers and other equipment

All accessories of the power adapter are installed inside the shell, the two ends of the shell are connected with wires, and the end of the wires away from the shell is installed with a plug. Generally speaking, the length of the wires at both ends of the power adapter and the length of the plug together can reach 1.3 -1.6 meters, and the length of the shell is generally 10-15 cm, which causes it to be used when it is not in use. For the convenience of carrying, the wires are usually bound in circles on the shell to limit the position, and then the bundled The power adapter is placed in the backpack, but when the user moves the backpack for a long distance and then takes the adapter out of the bag, the bundled wires often appear to be scattered, and the coiled bundle will become knotted after being scattered. Not only does it require the user to sort it out, but also the way of binding it to the casing has a relatively poor effect on the positioning of the wires. To this end, a portable power adapter is proposed.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a portable power adapter to solve the problems raised in the background art above.

(2) Technical solution

In order to achieve the above purpose, the utility model provides the following technical solutions: a portable power adapter, including an adapter, the two ends of the adapter are connected with wires, the bottom of the adapter is provided with a back plate, and the bottom of the back plate is two Both ends are fixed with a torsion spring movable seat, and the torsion spring movable seat is twisted with a limit bracket, and the back plate is located at the end of the torsion spring movable seat far away from each other, and a limit block is fixed, and the limit block is far away from the back plate Both ends of one side are drilled with sockets, and the ends of the limit brackets away from the movable seat of the torsion spring are respectively inserted in the sockets.

Optionally, the outer diameter of the end of the limiting bracket inserted into the socket is smaller than the inner diameter of the socket.

Optionally, threaded grooves are drilled through both ends of the limiting blocks on the side away from each other, and the threaded grooves communicate with corresponding sockets respectively, and the sides of the limiting blocks far away from each other are threaded. The grooved thread is connected with an adjusting screw.

Optionally, a limiting hole is drilled at the end of the limiting bracket inserted into the jack and away from the movable seat of the torsion spring, and the end of the adjusting screw passing through the threaded groove is located inside the jack, and the adjusting screw is located in the inserting hole. One end inside the hole is inserted and connected with the limiting hole respectively.

Optionally, straps are fixed on the front and rear ends of the backboard located at the bottom between the torsion spring movable seats, and the straps are away from the backboard and are respectively fixed with a Velcro hook surface and a Velcro sticky surface , the hook surface of the Velcro is bonded to the side close to the sticking surface of the Velcro respectively.

Optionally, an isolation frame is provided between the adapter and the backplane, the isolation frame is fixedly connected to the end close to the adapter, the isolation frame is fixedly connected to the end close to the backplane, and the inner wall of the isolation frame There are a number of cooling holes drilled through the four sides.

(3) Beneficial effects

Compared with the prior art, the utility model provides a portable power adapter, which has the following

Beneficial effect:

Suitable for portable power adapters, the two limit brackets are pulled out from the socket through the rotation of the torsion spring movable seat, the two wires can be wound on the limit brackets at both ends, and the limit brackets with the wires wound are inserted After the jack is inserted into the limit hole after the adjustment screw is rotated, the limit effect is achieved, and the plugs at both ends of the wire can be limited by the wrapping of two straps and the bonding of the hook surface of the Velcro and the sticky surface of the Velcro Between the strap and the back plate, so that the plug and the wire will not fall off from the end of the limit bracket away from the torsion spring movable seat, which increases the limit effect on it and avoids scattering due to extrusion and staggering during carrying and moving The problem.

Description of drawings

Fig. 1 is a schematic view of the structure of a portable power adapter according to the present invention;

Fig. 2 is a schematic diagram during the rotation and opening process of the limit bracket of a portable power adapter of the present invention;

Fig. 3 is a structural diagram of a portable power adapter of the present invention after the strap is separated from the strap.

In the figure: 1. adapter; 2. wire; 3. back plate; 4. torsion spring movable seat; 5. limit bracket; 6. limit block; 7. socket; 8. thread groove; 9. adjusting screw; 10. Straps; 11. Velcro hook surface; 12. Velcro sticky surface; 13. Isolation frame; 14. Cooling holes; 15. Limiting holes.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a technical solution, a portable power adapter, as shown in Figure 1-3, including an adapter 1, the two ends of the adapter 1 are connected with wires 2, the bottom of the adapter 1 is provided with a back plate 3, the back plate 3 Both ends of the bottom of the bottom are fixed with a torsion spring movable seat 4, and the limit bracket 5 is twisted in the torsion spring movable seat 4, and the back plate 3 is located at the end of the torsion spring movable seat 4 that is far away from each other. 6 Jack holes 7 are drilled at both ends of the side away from the back plate 3, and the ends of the limit bracket 5 away from the torsion spring movable seat 4 are respectively inserted into the inside of the jack 7.

Specifically, the outer diameter of the end of the limiting bracket 5 inserted into the insertion hole 7 is smaller than the inner diameter of the insertion hole 7, which facilitates the insertion and extraction of the limiting bracket 5 .

Specifically, the two ends of the limiting blocks 6 that are far away from each other are drilled with thread grooves 8, and the thread grooves 8 communicate with the corresponding sockets 7 respectively, and the sides of the limiting blocks 6 that are far away from each other pass through the thread grooves 8. Adjusting screw rod 9 is threadedly connected, and limit bracket 5 is inserted into jack 7 and is all excavated with limit hole 15 away from one end of torsion spring movable seat 4, and one end of adjusting screw rod 9 passing thread groove 8 is all positioned at the inside of jack 7, and One end of the adjusting screw 9 located inside the jack 7 is interspersed with the limit hole 15 respectively, so that the limit bracket 5 can be blocked to prevent the limit bracket 5 from rotating and opening from the jack 7 and causing the wire 2 to escape from the limit bracket 5. Scattered questions.

Specifically, straps 10 are fixed on the front and rear ends of the bottom between the torsion spring movable seats 4 of the backboard 3, and the straps 10 are far away from the backboard 3 and are respectively fixed with Velcro hook surfaces 11 and Velcro sticking surfaces. The surface 12 and the Velcro hook surface 11 are bonded to the adjacent side of the Velcro sticky surface 12 respectively, so as to facilitate the secondary positioning of the plug and the wire 2 .

Specifically, an isolation frame 13 is provided between the adapter 1 and the back plate 3, and the end of the isolation frame 13 is fixedly connected to the adapter 1, and the end of the isolation frame 13 is fixed to the back plate 3. The inner wall of the isolation frame 13 is four A number of heat dissipation holes 14 are dug through the sides to facilitate the dissipation of heat from the bottom of the adapter 1 .

The working principle of this device: the two limit brackets 5 are pulled out from the socket 7 through the rotation of the torsion spring movable seat 4, and the two wires 2 can be wound on the limit brackets 5 at both ends, and the wires are wound The limit bracket 5 of 2 is inserted into the jack 7 and then rotated by the adjusting screw 9 and inserted into the limit hole 15 to achieve the limit effect, and the plugs at both ends of the wire 2 can be wrapped by two straps 10 and the Velcro hook The bonding of surface 11 and Velcro sticky surface 12 is limited between the strap 10 and the backboard 3, so that the plug and the wire 2 will not fall off from the end of the torsion spring movable seat 4 by the limit bracket 5, increasing the The limit effect on it can avoid the problem of scattering due to extrusion and staggering during carrying and moving;

The heat generated at the bottom of the adapter 1 during use can be dissipated through the heat dissipation holes 14 in the isolation frame 13, so as to avoid problems affecting heat dissipation caused by over-fitting.

The plug is a structural component whose shape can be directly associated with one end of the wire 2, and is also a disclosed prior art, so it will not be described in detail in this application.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A portable power adapter, comprising an adapter (1), characterized in that: both ends of the adapter (1) are connected with wires (2), and the bottom of the adapter (1) is provided with a back plate (3) , both ends of the bottom of the backboard (3) are fixed with a torsion spring movable seat (4), and the inside of the torsion spring movable seat (4) is twisted with a limit bracket (5), and the backboard (3) A limit block (6) is fixed at one end of the torsion spring movable seat (4) away from each other, and jacks (7) are drilled at both ends of the limit block (6) away from the back plate (3), so One end of the limit bracket (5) away from the torsion spring movable seat (4) is respectively inserted in the socket (7). 2. A portable power adapter according to claim 1, characterized in that: the outer diameter of the limit bracket (5) inserted into the jack (7) is smaller than the inner diameter of the jack (7). 3. A portable power adapter according to claim 1, characterized in that: both ends of the limiting block (6) on the side away from each other are drilled with threaded grooves (8), and the threaded grooves (8) ) respectively communicate with the sockets (7) whose positions match, and the sides of the limit blocks (6) away from each other are threadedly connected with adjusting screw rods (9) through thread grooves (8). 4. A portable power adapter according to claim 3, characterized in that: the limit bracket (5) is inserted into the jack (7) and the end far away from the torsion spring movable seat (4) is drilled with a limit hole ( 15), one end of the adjusting screw (9) passing through the threaded groove (8) is located inside the jack (7), and one end of the adjusting screw (9) inside the jack (7) is respectively connected to the limit Holes (15) are inserted and connected. 5. A portable power adapter according to claim 1, characterized in that: the front and rear ends of the back plate (3) located between the torsion spring movable seats (4) are fixed with straps (10), The straps (10) are away from the backboard (3) and are respectively fixed with a Velcro hook surface (11) and a Velcro sticky surface (12), and the Velcro hook surfaces (11) are respectively connected with the Velcro Adhesive surface (12) close side bonding. 6. A portable power adapter according to claim 1, characterized in that: an isolation frame (13) is provided between the adapter (1) and the backplane (3), and the isolation frame (13) is connected to the adapter (1) One end close to each other is fixedly connected, and the close end of the isolation frame (13) is fixedly connected to the back plate (3). The inner wall four sides of the isolation frame (13) are drilled with some cooling holes (14 ).

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