CN213243825U

CN213243825U - Buckle formula power adapter with waterproof construction

Info

Publication number: CN213243825U
Application number: CN202022537420.7U
Authority: CN
Inventors: 罗宏彪
Original assignee: Huizhou Fujia Electrical Technology Co ltd
Current assignee: Huizhou Fujia Electrical Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-05-18
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a buckle formula power adapter with waterproof construction, including lower casing, casing upper end swing joint has last casing down, the draw-in groove that the equidistance distributes is all seted up with the rear end to casing front end down, go up the buckle that the equal fixedly connected with equidistance in casing front end and rear end distributes, the stopper that the internal lower extreme fixedly connected with equidistance of inferior valve distributes, stopper upper end fixedly connected with inserted bar, stopper upper end swing joint has the PCB board, set up the spacing hole that the equidistance distributes on the PCB board. This buckle formula power adapter with waterproof construction assembles casing and last casing down through pegging graft the annular connecting block in annular slot, and installs the silica gel sealing washer in the annular slot, and the annular connecting block tightly laminates with the silica gel sealing washer, plays sealed water-proof effects to also install the rubber ring in the through-hole of grafting power cord, prevent that liquid from getting into this power adapter from the through-hole inside, reach complete encapsulated situation.

Description

Buckle formula power adapter with waterproof construction

Technical Field

The utility model relates to a power adapter technical field specifically is a buckle formula power adapter with waterproof construction.

Background

The power adapter is a power conversion device for supplying power to small-sized portable electronic equipment, converts alternating current input into direct current output according to the working principle, and is widely applied to equipment such as mobile phones, notebook computers, set top boxes and routers.

However, in order to maintain good heat dissipation, the conventional power adapter has poor general waterproof performance, and a completely sealed waterproof structure can greatly affect the heat dissipation effect, so that a part of energy is lost when voltage conversion is performed, most of the energy is dissipated in a hot manner except for a small part of energy loss in a wave form, and if the heat is not dissipated in time, the service life of internal electrical elements can be affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buckle formula power adapter with waterproof construction to propose the general relatively poor problem of waterproof performance of current power adapter in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a buckle formula power adapter with waterproof construction, includes casing down, casing upper end swing joint has last casing down, the draw-in groove that the equidistance distributes is all seted up with the rear end to casing front end down, go up the buckle that the equal fixedly connected with equidistance distributes of casing front end and rear end, the stopper that the internal lower extreme fixedly connected with equidistance distributes of inferior valve, stopper upper end fixedly connected with inserted bar, stopper upper end swing joint has the PCB board, set up the spacing hole that the equidistance distributes on the PCB board, PCB board right-hand member fixed connection has useful first power cord, PCB board left end fixedly connected with second power cord, first through-hole has been seted up to casing right-hand member down, the second through-hole has been seted up to the casing left end down.

Preferably, the inserted link is inserted in the limiting hole, the buckle is buckled in the clamping groove, the rubber ring is inserted outside the first power line and the second power line, and the rubber ring is fixedly connected in the first through hole and the second through hole.

Preferably, the upper end of the lower shell is fixedly connected with an annular connecting block, the lower end of the upper shell is provided with an annular slot, a silica gel sealing ring is fixedly connected in the annular slot, the annular connecting block is inserted in the annular slot, and the upper end of the annular connecting block is attached to the silica gel sealing ring.

Preferably, the upper end of the upper shell is fixedly connected with a heat dissipation box, the upper shell is internally and fixedly connected with heat dissipation fins distributed at equal intervals, the upper ends of the heat dissipation fins are located in the heat dissipation box, the lower ends of the heat dissipation fins are fixedly connected with an insulating heat conduction plate, and the upper end of the heat dissipation box is provided with heat dissipation holes distributed at equal intervals.

Preferably, the bracing piece that fixedly connected with equidistance distributes in the upper shell, bracing piece lower extreme fixedly connected with insulating rubber board, insulating rubber board laminating is in PCB board upper end.

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

1. according to the buckle type power adapter with the waterproof structure, the lower shell and the upper shell are assembled by inserting the annular connecting block into the annular slot, the silica gel sealing ring is arranged in the annular slot, the annular connecting block is tightly attached to the silica gel sealing ring, the waterproof sealing effect is achieved, the rubber ring is also arranged in the through hole for inserting the power line, liquid is prevented from entering the power adapter from the through hole, and the completely sealed state is achieved;

2. the buckle type power adapter with the waterproof structure comprises a heat dissipation device, wherein the upper end of each heat dissipation fin is positioned in the heat dissipation box, the insulating heat conduction plate is attached to the surface of an electrical element with a large internal heating source, such as a high-frequency switch transformer, a power MOS (metal oxide semiconductor) tube and the like, absorbs the heat of the electrical element through the insulating heat conduction plate, and conducts the heat to the heat dissipation fins for heat dissipation;

3. this buckle formula power adapter with waterproof construction, the installation of PCB board and the installation of casing and last casing down all do not use the screw to fix, more convenient and fast when assembling.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the lower casing of the present invention;

fig. 3 is a schematic view of the internal structure of the upper housing of the present invention.

In the figure: 1. a lower housing; 2. an upper housing; 3. a card slot; 4. buckling; 5. a limiting block; 6. inserting a rod; 7. a PCB board; 8. a limiting hole; 9. a first power line; 10. a second power supply line; 11. a first through hole; 12. a second through hole; 13. a rubber ring; 14. an annular connecting block; 15. an annular slot; 16. a silica gel seal ring; 17. a heat dissipation box; 18. heat dissipation fins; 19. an insulating heat-conducting plate; 20. heat dissipation holes; 21. a support bar; 22. an insulating rubber plate.

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. 1-3, the present invention provides a technical solution: a buckle type power adapter with a waterproof structure comprises a lower shell 1, an upper shell 2, a clamping groove 3, a buckle 4, a limiting block 5, an inserting rod 6, a PCB 7, a limiting hole 8, a first power line 9, a second power line 10, a first through hole 11, a second through hole 12, a rubber ring 13, an annular connecting block 14, an annular inserting groove 15, a silica gel sealing ring 16, a radiating box 17, radiating fins 18, an insulating heat conducting plate 19, a radiating hole 20, a supporting rod 21 and an insulating rubber plate 22, wherein the upper end of the lower shell 1 is movably connected with the upper shell 2, the front end and the rear end of the lower shell 1 are respectively provided with the clamping groove 3 which are distributed at equal intervals, the front end and the rear end of the upper shell 2 are respectively fixedly connected with the buckle 4 which are distributed at equal intervals, the lower end in the lower shell 1 is fixedly connected with the limiting block 5 which is distributed at equal intervals, the upper end of the limiting block 5 is fixedly connected with the inserting rod 6, the right end of the PCB 7 is fixedly connected with a first power line 9, the left end of the PCB 7 is fixedly connected with a second power line 10, the right end of the lower shell 1 is provided with a first through hole 11, and the left end of the lower shell 1 is provided with a second through hole 12.

Further, inserted bar 6 is pegged graft in spacing hole 8, and buckle 4 buckle is in draw-in groove 3, and first power cord 9 is pegged graft with the second power cord 10 outside and is had rubber ring 13, and rubber ring 13 fixed connection is in first through-hole 11 and second through-hole 12, and rubber ring 13 can prevent that liquid from getting into this power adapter inside first through-hole 11 and second through-hole 12.

Further, 1 upper end fixedly connected with annular connecting block 14 of casing down, go up 2 lower extremes of casing and seted up annular slot 15, fixedly connected with silica gel sealing washer 16 in the annular slot 15, annular connecting block 14 is pegged graft in

annular slot

15, and 14 upper ends of annular connecting block and the laminating of silica gel sealing washer 16 make inside be encapsulated situation, prevent that liquid from getting into.

Further, the upper end of the upper casing 2 is fixedly connected with a heat dissipation box 17, the upper casing 2 is internally fixedly connected with heat dissipation fins 18 which are distributed at equal intervals, the upper ends of the heat dissipation fins 18 are positioned in the heat dissipation box 17, the lower ends of the heat dissipation fins 18 are fixedly connected with an insulating heat conduction plate 19, the upper end of the heat dissipation box 17 is provided with heat dissipation holes 20 which are distributed at equal intervals, and the insulating heat conduction plate 19 is attached to the surface of an electrical component which generates a large amount of heat inside, such as a high-frequency switching transformer, a.

Further, go up the bracing piece 21 that fixedly connected with equidistance distributes in casing 2, bracing piece 21 lower extreme fixedly connected with insulating rubber board 22, insulating rubber board 22 laminating in 7 upper ends of PCB board withstands PCB board 7 through insulating rubber board 22, fixes it.

The working principle is as follows: firstly, the limit hole 8 is inserted in alignment with the inserted link 6, so that the lower end of the PCB 7 is attached to the limit block 5, the first power line 9 and the second power line 10 are respectively arranged at the left end and the right end of the PCB 7 and respectively pass through the first through hole 11 and the second through hole 12, the rubber ring 13 is jointed, the annular connecting block 14 is inserted by aligning the annular slot 15, the annular connecting block 14 is tightly jointed with the silica gel sealing ring 16 to play a role of sealing and water proofing, the buckle 4 is buckled into the clamping groove 3, the lower shell 1 and the upper shell 2 are fixed, at the moment, the insulating rubber plate 22 is pressed against the upper end of the PCB 7, the insulating heat conducting plate 19 is adhered to the surface of the electrical element with larger heating source, such as high-frequency switch transformer, power MOS tube, etc. when in use, the heat emitted therefrom is absorbed by the insulating heat-conducting plate 19 and conducted to the radiator fins 18, and finally, the heat is radiated in the radiator box 17.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a buckle formula power adapter with waterproof construction, includes casing (1) down, its characterized in that: the upper end of the lower shell (1) is movably connected with an upper shell (2), the front end and the rear end of the lower shell (1) are both provided with clamping grooves (3) which are distributed at equal intervals, the front end and the rear end of the upper shell (2) are both fixedly connected with buckles (4) which are distributed at equal intervals, the lower end in the lower shell (1) is fixedly connected with limit blocks (5) which are distributed at equal intervals, the upper end of the limiting block (5) is fixedly connected with an inserting rod (6), the upper end of the limiting block (5) is movably connected with a PCB (7), the PCB (7) is provided with limit holes (8) distributed at equal intervals, the right end of the PCB (7) is fixedly connected with a first power line (9), a second power line (10) is fixedly connected with the left end of the PCB (7), the right end of the lower shell (1) is provided with a first through hole (11), and the left end of the lower shell (1) is provided with a second through hole (12).

2. The snap-in power adapter with waterproof structure of claim 1, wherein: the plug rod (6) is plugged in the limiting hole (8), the buckle (4) is buckled in the clamping groove (3), the rubber ring (13) is plugged outside the first power line (9) and the second power line (10), and the rubber ring (13) is fixedly connected in the first through hole (11) and the second through hole (12).

3. The snap-in power adapter with waterproof structure of claim 1, wherein: the improved structure is characterized in that an annular connecting block (14) is fixedly connected to the upper end of the lower shell (1), an annular slot (15) is formed in the lower end of the upper shell (2), a silica gel sealing ring (16) is fixedly connected to the inner portion of the annular slot (15), the annular connecting block (14) is inserted into the annular slot (15), and the upper end of the annular connecting block (14) is attached to the silica gel sealing ring (16).

4. The snap-in power adapter with waterproof structure of claim 1, wherein: go up casing (2) upper end fixedly connected with heat dissipation box (17), go up fixedly connected with equidistance distribution's in casing (2) heat radiation fin (18), heat radiation fin (18) upper end is located heat dissipation box (17), heat radiation fin (18) lower extreme fixedly connected with insulating heat-conducting plate (19), louvre (20) that the equidistance distributes are seted up to heat dissipation box (17) upper end.

5. The snap-in power adapter with waterproof structure of claim 1, wherein: go up bracing piece (21) that fixedly connected with equidistance distributes in casing (2), bracing piece (21) lower extreme fixedly connected with insulating rubber board (22), insulating rubber board (22) are laminated in PCB board (7) upper end.