CN218301919U

CN218301919U - Dustproof power supply

Info

Publication number: CN218301919U
Application number: CN202221956448.7U
Authority: CN
Inventors: 杜启明
Original assignee: Zhongshan Hualian Electronics Co ltd
Current assignee: Zhongshan Hualian Electronics Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-13
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a dustproof power supply, including the drain pan, the bottom of drain pan is provided with the circuit board, and the up end both sides of drain pan all are provided with the frame, and the joint has the top cap on the drain pan, and the lower terminal surface of top cap is provided with the closing plate, is equipped with the spout between the inner wall of top cap and the closing plate, and in the spout that both sides frame inserted the correspondence, the outer wall of both sides frame all was equipped with the seal groove, and the inner wall both sides of top cap all are provided with the sealing strip, and the both sides sealing strip inserts respectively in the seal groove that corresponds. Through in sliding the spout with the frame to in sliding the seal groove with sealing strip, support the second baffle in the left side of drain pan, then with stretching out the end of the electric wire of connecting on the binding post of both sides wear out the through wires hole outside, lock the thread groove that mounting bolt one end screw in corresponds at last, strengthen the leakproofness of power supply, under the environment of high dust, in avoiding the dust to get into the drain pan, be favorable to extension circuit board and electronic component's life.

Description

Dustproof power supply

Technical Field

The utility model relates to a power supply technical field specifically is a dustproof power supply.

Background

The power adapter is the power supply transform equipment of small-size portable electronic equipment and electronic apparatus, it joins in marriage widely in the security protection camera, the STB, the router, in equipment such as lamp strip and massage appearance, however, current power adapter's design is totally enclosed usually, cause its thermal diffusivity poor in the in-service use in-process, be connected with external power and carry out the in-process that charges to equipment, the electric current passes through the inside transmission that carries out of power adapter, lead to inside a large amount of heats that can gather of power adapter, and then make power adapter surface temperature too high, and long-term, can lead to power adapter's charging performance weakening.

Chinese patent that bulletin number is CN216086492U, it discloses a power adapter, including lower frame, upper ledge and connecting wire, the upper ledge is located the upper end of lower frame, connecting wire fixed connection with the one end of lower frame, one side of upper ledge is equipped with two power plug, and two power plug all with upper ledge fixed connection, three shrinkage pool has all been seted up to the equal symmetry of left end face of upper ledge and lower frame, every fixed frame, every has all been embedded into to the inside of shrinkage pool the equal fixedly connected with in inside of fixed frame connects the net, every the mounting hole has all been seted up at the upper and lower both ends middle part of fixed frame, the recess has all been seted up in the left side of upper ledge and lower frame, the internal rotation of recess is connected with three leaf fan, the inside fixedly connected with filter screen of recess, the inside fixedly connected with baffle of recess, just the baffle is located the front end of filter screen, three trompil has been seted up on the surface of baffle.

However, the above scheme has the following disadvantages:

just through the improvement of structure among the above-mentioned patent document, make the adapter can play good radiating effect when the in-service use, but current adapter leakproofness is not good, and dust proof performance is poor, leads to the adapter under the environment of high dust, and power adapter advances grey easily, has caused very big hidden danger to the connection of circuit and safe in utilization, causes the circuit short circuit easily.

To this end, we propose a dust-proof power supply.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof power supply 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 dustproof power supply comprises a bottom shell, wherein the bottom shell is of a square box structure, a heat-conducting silica gel sheet is arranged at the bottom end of the bottom shell, a circuit board is arranged at the bottom end of the bottom shell, an electronic element is arranged on the circuit board, and two ends of the circuit board are provided with wiring terminals;

the two sides of the upper end face of the bottom shell are respectively provided with a frame, a top cover is clamped on the bottom shell, a sealing plate is arranged on the lower end face of the top cover, a sliding groove is formed between the inner wall of the top cover and the sealing plate, and the frames on the two sides are inserted into the corresponding sliding grooves;

the outer walls of the frames on two sides are provided with sealing grooves, the two sides of the inner wall of the top cover are provided with sealing strips, the sealing strips on two sides are respectively inserted into the corresponding sealing grooves, one side of the bottom end of the top cover is provided with a first baffle, and the other side of the bottom end of the top cover is provided with a second baffle;

the size and the both sides of first baffle and second baffle space size phase-match between the frame, all be equipped with the through wires hole on first baffle and the second baffle, equal joint has the dust washer in the through wires hole.

The two sides of the top cover are provided with mounting holes, mounting bolts penetrate through the mounting holes, thread grooves are formed in the two sides of the sealing plate, and one ends of the mounting bolts penetrating through the mounting holes are screwed into the corresponding thread grooves to be locked.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a with in the frame sliding insertion spout, and with in the sealing strip sliding insertion seal groove, support the second baffle in the left side of drain pan, then with the end that stretches out of the electric wire of connecting on the binding post of both sides, wear out on first baffle and the second baffle respectively outside the threading hole that corresponds, lock in the thread groove that the one end screw in that the mounting hole was worn out to the mounting bolt corresponds at last, strengthen the leakproofness of power supply, under the environment of high dust, avoid the dust to get into in the drain pan, be favorable to prolonging circuit board and electronic component's life.

Drawings

FIG. 1 is a schematic view of the internal structure of the top cover of the present invention;

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

FIG. 3 is a left side view of the present invention;

FIG. 4 is a left side view of the cutting structure of the present invention;

fig. 5 is an enlarged schematic view of fig. 4 at a.

In the figure: 1. a bottom case; 2. a circuit board; 3. an electronic component; 4. a wiring terminal; 5. a frame; 6. a top cover; 7. sealing plates; 8. a chute; 9. a sealing groove; 10. a seal strip; 11. a first baffle plate; 12. a second baffle; 13. mounting holes; 14. installing a bolt; 15. a thread groove; 16. a heat-conducting silica gel sheet; 17. threading holes; 18. a dust gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a dustproof power supply comprises a bottom shell 1, wherein the bottom shell 1 is of a square box structure, the bottom end of the bottom shell 1 is connected with a heat conduction silica gel sheet 16 in a bonding mode through sealant, an internal thread pipe is arranged on the bottom shell 1, a positioning hole is formed in a circuit board 2, the internal thread pipe abuts against the lower portion of the positioning hole, the circuit board 2 is fixedly installed on the bottom shell 1 by screwing a bolt into the internal thread pipe, an electronic element 3 is connected to the circuit board 2 in a welding mode, and connecting terminals 4 are welded to the left end and the right end of the circuit board 2;

the left side and the right side of the upper end face of the bottom shell 1 are both provided with frames 5, the bottom shell 1 and the frames 5 are a stamping integrated piece, a top cover 6 is clamped on the bottom shell 1, a sealing plate 7 is arranged on the lower end face of the top cover 6, the top cover 6 and the sealing plate 7 are the stamping integrated piece, a sliding groove 8 is arranged between the inner wall of the top cover 6 and the sealing plate 7, and the frames 5 on the left side and the right side are slidably inserted into the corresponding sliding grooves 8;

the outer walls of the left and right side frames 5 are respectively provided with a sealing groove 9, the left and right sides of the inner wall of the top cover 6 are respectively connected with a sealing strip 10 in an adhering mode through sealing glue, the sealing strips 10 are made of soft silica gel, the sealing strips 10 on the left and right sides are respectively inserted into the corresponding sealing grooves 9 in a sliding mode, the right side of the bottom end of the top cover 6 is provided with a first baffle plate 11, the other side of the bottom end of the top cover 6 is provided with a second baffle plate 12, and the top cover 6, the first baffle plate 11 and the second baffle plate 12 are formed by stamping an integrated piece;

the size of first baffle 11 and second baffle 12 and the space size phase-match between both sides frame 5, second baffle 12 will be longer than the length of first baffle 11, all is equipped with through wires hole 17 on first baffle 11 and the second baffle 12, and equal joint has dust washer 18 in the through wires hole 17, and dust washer 18 is the silica gel packing ring material.

The left and right sides of top cap 6 all is equipped with mounting hole 13, all alternates in the mounting hole 13 of left and right sides has mounting bolt 14, and the left and right sides of closing plate 7 all is equipped with thread groove 15, and mounting bolt 14 alternates the locking in the corresponding thread groove 15 of one end screw in of mounting hole 13.

The working principle of the embodiment is as follows: through in inserting frame 5 slip spout 8, and with in sealing strip 10 slip insert seal groove 9, support second baffle 12 at the left side of drain pan 1, then with the end that stretches out of the electric wire of connecting on the binding post 4 of both sides, wear out respectively outside the through wires hole 17 that corresponds on first baffle 11 and the second baffle 12, wear out the one end screw in that mounting hole 13 was worn out with mounting bolt 14 at last and lock in the thread groove 15 that corresponds, strengthen the leakproofness of power supply, under the environment of high dust, avoid in the dust gets into drain pan 1, be favorable to extension circuit board 2 and electronic component 3's life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides a dustproof power supply ware, includes drain pan (1), its characterized in that: the bottom end of the bottom shell (1) is provided with a circuit board (2), two sides of the upper end face of the bottom shell (1) are provided with frames (5), the bottom shell (1) is clamped with a top cover (6), the lower end face of the top cover (6) is provided with a sealing plate (7), a sliding groove (8) is formed between the inner wall of the top cover (6) and the sealing plate (7), and the frames (5) on two sides are inserted into the corresponding sliding grooves (8);

both sides the outer wall of frame (5) all is equipped with seal groove (9), the inner wall both sides of top cap (6) all are provided with sealing strip (10), both sides sealing strip (10) insert respectively in corresponding seal groove (9), bottom one side of top cap (6) is provided with first baffle (11), the bottom opposite side of top cap (6) is provided with second baffle (12).

2. The dustproof power supply unit according to claim 1, wherein: the circuit board (2) is provided with an electronic element (3), and two ends of the circuit board (2) are provided with wiring terminals (4).

3. The dustproof power supply unit according to claim 1, wherein: both sides of top cap (6) all are equipped with mounting hole (13), both sides all alternate in mounting hole (13) and have installed bolt (14), the both sides of closing plate (7) all are equipped with thread groove (15), locking in the thread groove (15) that the one end screw in that installing bolt (14) alternate mounting hole (13) corresponds.

4. The dustproof power supply unit according to claim 1, wherein: the bottom shell (1) is of a square box structure, and a heat conduction silica gel sheet (16) is arranged at the bottom end of the bottom shell (1).

5. The dustproof power supply unit according to claim 1, wherein: the sizes of the first baffle (11) and the second baffle (12) are matched with the size of a gap between the frames (5) at two sides.

6. The dustproof power supply unit according to claim 1, wherein: all be equipped with through wires hole (17) on first baffle (11) and second baffle (12), equal joint has dust washer (18) in through wires hole (17).