CN210405112U

CN210405112U - Portable power adapter

Info

Publication number: CN210405112U
Application number: CN201921979743.2U
Authority: CN
Inventors: 李宗霖
Original assignee: Yudu Weili Electronic Co ltd
Current assignee: Yudu Weili Electronic Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-04-24
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a portable power adapter, comprises a box bod and a circuit board, the apron is installed to the upside of box body, the upside mid-mounting of apron has the handle, radiator fan is installed in the embedding in the apron, the filter screen is installed to radiator fan's downside, box inner chamber bottom fixedly connected with drum, the inner chamber sliding connection of drum has the circular shape slider, the downside of slider is connected with the spring, the lower extreme and the box body of spring are connected, the upper end welding of slider has the nut post, through screw fixed mounting between nut post and the circuit board. The utility model discloses during the use, radiator fan operation, radiator fan blow in to the box body from the outside, cool down to inside components and parts, prevent that overheated damage from appearing in inside components and parts. The handle is arranged above the cover plate so as to be convenient to carry, the circuit board is supported by the spring, and the spring plays a role in buffering and protecting the circuit board, so that the service life of the circuit board is prolonged.

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 a power supply conversion device for small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a PCB (printed circuit board) and the like, and the working principle of the power adapter is that alternating current input is converted into direct current output. To the slightly adapter that the volume is bigger, the user directly takes to have inconvenience, and present adapter is mostly closed moreover, and outside radiating forehead speed is slower, and the temperature of adapter appears too high easily, leads to its damage.

SUMMERY OF THE UTILITY MODEL

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: the utility model provides a portable power adapter, includes box body and circuit board, the apron is installed to the upside of box body, the upside mid-mounting of apron has the handle, radiator fan is installed in the embedding in the apron, the filter screen is installed to radiator fan's downside, box inner chamber bottom fixedly connected with drum, the inner chamber sliding connection of drum has the circular shape slider, the downside of slider is connected with the spring, the lower extreme and the box body of spring are connected, the upper end welding of slider has the nut post, through screw fixed mounting between nut post and the circuit board.

Preferably, four corners of the inner cavity of the box body are provided with support lugs, and the support lugs are fixedly connected with the cover plate through screws.

Preferably, a socket is installed on the left side of the box body, a plug cord is installed on the right side of the box body, and the socket and the plug cord are both electrically connected with the circuit board.

Preferably, the four corners of the bottom of the box body are provided with support legs, and the middle part of the bottom side of the box body is provided with a plurality of strip-shaped air outlet holes.

Preferably, the lower side of the cover plate is provided with a rectangular bulge, the bulge is clamped with the upper port of the box body, and the lower end of the cooling fan is communicated with the inner cavity of the box body.

Preferably, the box body and the cover plate are both formed by injection molding of flame-retardant plastics.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses during the use, radiator fan operation, radiator fan blow in to the box body from the outside, cool down to inside components and parts, prevent that overheated damage from appearing in inside components and parts. The handle is arranged above the cover plate so as to be convenient to carry, the circuit board is arranged on the nut column, the nut column is actually supported by the spring, and when vibration occurs in the carrying process, the spring plays a role in buffering and protecting the circuit board, so that the service life of the circuit board is prolonged.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the bottom view structure of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a cover plate; 3. a handle; 4. a heat radiation fan; 5. a plug cord; 6. a socket; 7. a filter screen; 8. supporting a lug; 9. a circuit board; 10. a cylinder; 11. an air outlet; 12. a support leg; 13. a slider; 14. a nut post; 15. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a portable power adapter, includes box body 1 and circuit board 9, and apron 2 is installed to the upside of box body 1, and the inner chamber four corners of box body 1 is equipped with journal stirrup 8, through screw fixed connection between journal stirrup 8 and the apron 2, and socket 6 is installed in the left side of box body 1, and plug cord 5 is installed on the right side of box body 1, and socket 6, plug cord 5 all with circuit board 9 electric connection, plug cord 5 regard as the input of this adapter, and socket 6 regards as the output of this adapter.

The upside mid-mounting of apron 2 has handle 3, and radiator fan 4 is installed in the embedding in apron 2, and filter screen 7 is installed to radiator fan 4's downside, and stabilizer blade 12 is installed in the bottom four corners of box body 1, and the bottom side middle part of box body 1 is equipped with the exhaust vent 11 of a plurality of bar, and radiator fan 4 blows to box body 1 from the outside in, cools down internal components and parts, and the air is discharged from exhaust vent 11.

The bottom of the inner cavity of the box body 1 is fixedly connected with a cylinder 10, the inner cavity of the cylinder 10 is connected with a circular sliding block 13 in a sliding mode, the lower side of the sliding block 13 is connected with a spring 15, the lower end of the spring 15 is connected with the box body 1, a nut column 14 is welded at the upper end of the sliding block 13, the nut column 14 and the circuit board 9 are fixedly installed through screws, the circuit board 9 is supported by the spring 15, and the spring 15 plays a role in buffering protection when vibration occurs.

The downside of apron 2 is equipped with the arch of rectangle, and the arch is connected with the last port card of box body 1, and radiator fan 4's lower extreme and the inner chamber intercommunication of box body 1, and box body 1 all adopts fire-retardant plastics injection moulding with apron 2, prevents weighing down the short circuit and catches fire box body 1 and apron 2.

The working principle is as follows: when the cooling box is used, the plug wire 5 is connected to an alternating current commercial power, the socket 6 is connected to a direct current load through a wire, the cooling fan 4 is operated by supplying direct current through the circuit board 9, the cooling fan 4 blows air into the box body 1 from the outside to cool internal components, and blown air is discharged from the air outlet 11. The handle 3 is arranged above the cover plate 2 for carrying, the circuit board 9 is arranged on the nut column 14, the nut column 14 is actually supported by the spring 15, and the spring 15 plays a role in buffering and protecting when vibration occurs in the carrying process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can 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

1. A portable power adapter, includes box body (1) and circuit board (9), its characterized in that: apron (2) are installed to the upside of box body (1), the upside mid-mounting of apron (2) has handle (3), radiator fan (4) are installed in the embedding in apron (2), filter screen (7) are installed to the downside of radiator fan (4), box body (1) inner chamber bottom fixedly connected with drum (10), the inner chamber sliding connection of drum (10) has circular shape slider (13), the downside of slider (13) is connected with spring (15), the lower extreme and box body (1) of spring (15) are connected, the upper end welding of slider (13) has nut post (14), through screw fixed mounting between nut post (14) and circuit board (9).

2. The portable power adapter as claimed in claim 1, wherein: the inner cavity four corners of the box body (1) are provided with support lugs (8), and the support lugs (8) are fixedly connected with the cover plate (2) through screws.

3. The portable power adapter as claimed in claim 1, wherein: socket (6) are installed in the left side of box body (1), plug cord (5) are installed on the right side of box body (1), socket (6), plug cord (5) all with circuit board (9) electric connection.

4. The portable power adapter as claimed in claim 1, wherein: the bottom four corners of the box body (1) are provided with support legs (12), and the middle part of the bottom side of the box body (1) is provided with a plurality of strip-shaped air outlet holes (11).

5. The portable power adapter as claimed in claim 1, wherein: the lower side of the cover plate (2) is provided with a rectangular bulge, the bulge is connected with the upper port of the box body (1) in a clamping manner, and the lower end of the heat radiation fan (4) is communicated with the inner cavity of the box body (1).

6. The portable power adapter as claimed in claim 1, wherein: the box body (1) and the cover plate (2) are both formed by injection molding of flame-retardant plastic.