CN217327758U

CN217327758U - Fan with waterproof function

Info

Publication number: CN217327758U
Application number: CN202220855782.7U
Authority: CN
Inventors: 曾桂平
Original assignee: Dongguan Fuxiang Electronics Co ltd
Current assignee: Dongguan Chaoxiang Precision Electromechanical Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-30
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a fan with waterproof function, including the epitheca, the bottom lock of epitheca is connected with the inferior valve, and the cavity bellying of the middle part fixedly connected with integral type structure of inferior valve, cavity bellying outside are installed the flabellum through waterproof motor, and the bottom of waterproof motor is equipped with sealing silica gel, and the sealing silica gel bottom is equipped with the shield of lid in the inferior valve bottom. The utility model discloses a inferior valve passes through the mould shaping, processes out the cavity bellying structure of "concave" font, and the implementation of the follow-up casting glue technology of being convenient for, the casting glue wraps up whole motor and PCB assemblage for motor and PCB assemblage are separated with the air, thereby make the fan reach IP 68's protection level, and the sealing silica gel who fills simultaneously makes the fan can also possess better acid and alkali resistance, improves the life of fan.

Description

Fan with waterproof function

Technical Field

The utility model relates to a technical field is made to the fan, specifically is a fan with waterproof function.

Background

Along with radiator fan uses more and more extensively, people are more and more high to radiator fan waterproof requirement, a lot of radiator fan in the existing market are direct scribble the waterproof layer in the fan outside, it is too simple to water repellent, lead to can be with the waterproof layer evaporation at radiator fan work's heat, if radiator fan's water repellent does not well, the product is in the moist, have the environment of acid-base, after the operation period, then bad phenomena such as "motor card dies, part corrodes, circuit open circuit, part drops" have appeared, the life of fan has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan with waterproof function to solve the current fan that above-mentioned background art provided in the environment of humidity, acid-base, after operation a period, then appear the problem of bad phenomena such as "the motor card is dead, the part corrodes, the circuit is opened a way, the part drops".

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan with waterproof function, includes the epitheca, the bottom lock of epitheca is connected with the inferior valve, the cavity bellying of the middle part fixedly connected with integral type structure of inferior valve, the flabellum is installed through waterproof motor to the cavity bellying outside, the bottom of waterproof motor is equipped with sealing silica gel, the sealing silica gel bottom is equipped with the shield that covers in inferior valve bottom.

As an optimization, the outside fixedly connected with of epitheca has a plurality of elastic knot heads, it is connected with the knot post lock that fixed connection is corresponded to with the inferior valve to detain the head, the line hole has still been seted up to the bottom of inferior valve.

As an optimized, the waterproof motor locates the outside motor casing of cavity bellying including the cover, the inside fixedly connected with interlude of motor casing arranges the inside axis body of cavity bellying in, the externally mounted of axis body has a plurality of ball bearing, ball bearing's outer lane and the inner wall fixed connection of cavity bellying.

As a preferred, waterproof motor still includes fixed connection and moulds the blade of silicon steel in the inside package of cavity bellying intermediate layer, the outside that the blade of silicon steel was moulded to the package is equipped with installs in motor housing inside and the magnetic stripe that the position is relative.

As an optimization, the inside PCB assemblage that still installs of intermediate layer of cavity bellying, sealing silica gel fills in the inside of cavity bellying and to whole motor and PCB assemblage waterproof sealing, the wire that the PCB assemblage is connected passes line hole and external power source electric connection through the wire.

As an optimization of the utility model, the outside cover of axis body is equipped with the spring.

As an optimization of the present invention, the bottom of the fan blade is fixedly connected to the motor housing.

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

1) the lower shell is molded through a mold, a concave-shaped hollow bulge structure is processed, the implementation of a subsequent pouring sealant process is facilitated, the pouring sealant wraps the whole motor and the PCB assembly, the motor and the PCB assembly are separated from air, the fan reaches the protection level of IP68, and meanwhile, the fan can have good acid and alkali resistance due to the filled sealing silica gel, and the service life of the fan is prolonged;

2) through the shield that sets up, be convenient for improve the leakproofness of encapsulating back fan label end, can prevent simultaneously because of the dry casing bottom height that leads to of encapsulating is uneven, and influences the adhesion of label to the label drops.

Drawings

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

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

fig. 3 is a schematic diagram of the present invention;

fig. 4 is a schematic partial cross-sectional view of the present invention.

In the figure: 1. an upper shell; 11. buckling a head; 2. a lower case; 21. a hollow boss; 22. buckling a column; 23. a wire hole; 3. a waterproof motor; 31. a motor housing; 32. a shaft body; 33. a ball bearing; 34. a spring; 35. coating a plastic silicon steel sheet; 36. a magnetic strip; 4. assembling the PCB; 5. a dust cover; 6. sealing the silica gel; 7. a fan blade; 8. and (4) conducting wires.

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 fan with waterproof function, includes epitheca 1, and the bottom lock of epitheca 1 is connected with inferior valve 2, and cavity bellying 21 of the middle part fixedly connected with integral type structure of inferior valve 2, cavity bellying 21 outside are installed flabellum 7 through waterproof motor 3, and waterproof motor 3's bottom is equipped with sealing silica gel 6, and sealing silica gel 6 bottom is equipped with the shield 5 of lid in inferior valve 2 bottom.

In this embodiment: a plurality of elastic button heads 11 are fixedly connected to the outer side of the upper shell 1, the button heads 11 are buckled with the button posts 22 fixedly connected with the lower shell 2 correspondingly, and the bottom of the lower shell 2 is also provided with a wire hole 23.

Specifically, the buckling head 11 and the buckling column 22 are buckled and connected, so that the fan is convenient to assemble and disassemble, and the fan is convenient to maintain for cleaning ash and the like in daily life.

In this embodiment: waterproof motor 3 locates the outside motor casing 31 of cavity bellying 21 including the cover, the inside fixedly connected with of motor casing 31 alternates and arranges the inside axis body 32 of cavity bellying 21 in, the externally mounted of axis body 32 has a plurality of ball bearing 33, ball bearing 33's outer lane and the inner wall fixed connection of cavity bellying 21, waterproof motor 3 still includes fixed connection and moulds silicon steel sheet 35 in the inside package of cavity bellying 21 intermediate layer, the outside of moulding silicon steel sheet 35 is equipped with installs inside motor casing 31 and many magnetic stripes 36 relative in position. PCB assemblage 4 is still installed to the inside of intermediate layer of cavity bellying 21, and sealed silica gel 6 fills in the inside of cavity bellying 21 and to whole motor and PCB assemblage 4 waterproof sealing, and PCB assemblage 4 passes line hole 23 through the wire 8 of connecting and external power source electric connection, the bottom and the motor casing 31 fixed connection of flabellum 7.

Specifically, add man-hour to the fan, can carry out integral type injection moulding processing with cavity bellying 21 in inferior valve 2 and inferior valve 2, then with flabellum 7, axis body 32 carries out the integral type processing with motor housing 31, make the fan add processing and the die sinking cost that can save scattered part as far as possible with man-hour, when carrying out the encapsulating, can install a shield 5 in the bottom of cavity bellying 21, when guaranteeing that sealing silica gel 6 seals up whole motor and PCB assemblage 4, can also ensure the planarization of injecting glue, utilize smooth shield 5 to post the fan label simultaneously, prevent that the fan label from taking place to drop.

In this embodiment: the shaft body 32 is externally sleeved with a spring 34.

Specifically, the spring 34 is provided to buffer the rotation of the motor housing 31.

It should be added that: the end of the lead 8 connected with the PCB assembly 4 is also sealed by the sealing silicone 6 to prevent water vapor from entering the hollow convex part 21 through the penetration of the lead 8 and the wire hole 23.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a fan with waterproof function, includes epitheca (1), its characterized in that: the bottom lock of epitheca (1) is connected with inferior valve (2), the cavity bellying (21) of the middle part fixedly connected with integral type structure of inferior valve (2), flabellum (7) are installed through waterproof motor (3) to cavity bellying (21) outside, the bottom of waterproof motor (3) is equipped with sealing silica gel (6), sealing silica gel (6) bottom is equipped with and covers shield (5) in inferior valve (2) bottom.

2. The fan with waterproof function according to claim 1, characterized in that: the outside fixedly connected with of epitheca (1) has elastic knot head (11) a plurality of, detain post (22) lock connection that head (11) and inferior valve (2) correspond fixed connection, line hole (23) have still been seted up to the bottom of inferior valve (2).

3. The fan with waterproof function according to claim 1, characterized in that: waterproof motor (3) locate the outside motor casing (31) of cavity bellying (21) including the cover, the inside fixedly connected with of motor casing (31) alternates and arranges axis body (32) inside cavity bellying (21) in, the externally mounted of axis body (32) has a plurality of ball bearing (33), the outer lane of ball bearing (33) and the inner wall fixed connection of cavity bellying (21).

4. The fan with waterproof function according to claim 3, characterized in that: waterproof motor (3) still include fixed connection in the inside package of cavity bellying (21) intermediate layer mould silicon steel sheet (35), the outside of package moulding silicon steel sheet (35) is equipped with installs in motor casing (31) inside and magnetic stripe (36) that the position is relative.

5. The fan with waterproof function according to claim 4, characterized in that: cavity bellying (21) inside PCB assemblage (4) of still installing of intermediate layer, sealed silica gel (6) are filled in the inside of cavity bellying (21) and are waterproof sealing to whole motor and PCB assemblage (4), PCB assemblage (4) pass line hole (23) and external power supply electric connection through wire (8) of being connected.

6. The fan with waterproof function according to claim 3, characterized in that: the spring (34) is sleeved outside the shaft body (32).

7. The fan with waterproof function according to claim 3, characterized in that: the bottom of the fan blade (7) is fixedly connected with the motor shell (31).