TWI645143B - Ventilator - Google Patents

Abstract

A ventilating fan is used to solve the problems of poor convenience, poor structural strength and short service life of a conventional ventilating fan. The ventilation fan includes a body and a cover, the body includes a fan, and the fan has an axial direction. The cover includes a frame body and a cover plate, the frame body is provided with a plurality of first positioning portions, each of the first positioning portion is provided with a first coupling member, and the cover plate is provided with a plurality of second positioning portions, each of the second positioning portion The positioning portion is provided with a second coupling member, and each of the second coupling members is respectively coupled with each of the first coupling members. One of the first positioning portion and the second positioning portion is a pipe body, and the other of the first positioning portion and the second positioning portion is a cylinder, and the column system extends along the axial direction. Into the tube.

Description

   Ventilation fan   

The invention relates to a ventilation fan, in particular to a ventilation fan provided with a mask.

Please refer to FIG. 1, which is a conventional ventilation fan 9, which includes a ventilation fan face 91 and a ventilation fan body 92. The ventilation fan cover 91 includes a frame 911 and a cover plate 912. The frame 911 is coupled to the ventilation fan body 92. The cover plate 912 is detachably coupled to the frame 911. The cover plate 912 can cover the ventilation fan body 92 to prevent foreign objects or mosquitoes from entering the ventilation fan body 92. One embodiment of the conventional ventilating fan 9 has been disclosed in the Chinese Patent No. CN202402369 "ventilating fan" patent case.

The cover plate 912 is fixedly coupled to the frame body 911 through a structure such as a tenon or a hook, or is locked to the frame body 911, causing the user to remove the cover plate 912 to the frame body 911. When performing maintenance on the ventilation fan body 92 (for example, cleaning, replacing a filter, or repairing a fan), the cover 912 and the frame 911 must be loosened in order in order to be able to cover the cover 912. The removal of the cover 912 takes a long time. Moreover, the conventional ventilating fan 9 is usually set at a position with a high level of height, which makes it difficult to remove the cover plate 912 in actual implementation.

For this reason, in some conventional ventilation fans, other coupling structures that are easy to disassemble and change are modified, for example, the cover plate 912 is magnetically coupled to the frame 911 by using a magnet. Therefore, when the user wants to remove the cover plate 912 to maintain the frame 911 or the fan body 92, the user only needs to pull the cover plate 912 to overcome the magnetic force of the magnet, and then the cover can be removed. The plate 912 is removed from the frame 911 to facilitate the removal of the cover plate 912.

However, when the user wants to replace the cover plate 912, each magnet must be aligned with and close to a magnetic attraction part (for example, an iron piece or another magnet) to enable the cover plate 912 to be magnetically combined.于 该 壳体 911。 The frame 911. As mentioned above, the conventional ventilating fan is usually set at a high level, so it is still very difficult to replace the cover 912, which results in the poor convenience of the conventional ventilating fan that uses a combination structure that is easy to disassemble and install such as a magnet. .

In addition, although the magnet can provide a longitudinal magnetic attraction force to magnetically couple the cover plate 912 to the frame 911, the magnet cannot provide a lateral supporting force. Therefore, once the cover plate 912 receives a lateral outward force, it may cause the cover plate 912 to move and fall off. Moreover, the ventilating fan can be installed in spaces such as baths and toilets, so its operating environment is easy to alternate between high and low temperatures, and is continuously affected by the effects of temperature changes and gravity. The cover 912 is very likely to deform under long-term use. . According to this, the structural strength of the conventional ventilating fan using a combination structure that is easy to disassemble and attach such as a magnet is poor.

In addition, if the deformation degree of the cover plate 912 is too serious, the distance between the magnet or the magnetic attraction portion is changed too much, which will cause the cover plate 912 to be unable to be replaced, resulting in the use of a combination structure such as a magnet that facilitates disassembly. The life of the ventilator is not good; and the magnet is exposed, so if the conventional ventilator is installed in a high-humidity space (such as a bathroom), the magnet is prone to rust, and it is also easy to disassemble the magnet. The life of conventional ventilation fans combined with the structure is short.

In view of this, it is necessary to provide a further improved ventilating fan to improve the disadvantages of the foregoing prior art.

In order to solve the above problems, the present invention provides a ventilating fan. The cover is formed to be detachably coupled to the frame by using a plurality of second coupling members of the cover plate and a plurality of first coupling members of the frame.

In order to achieve the foregoing object of the invention, the technical means used in the present invention include: a ventilating fan including: a body including a fan, the fan having an axial direction; and an outer cover including a frame body and a cover plate, The frame is provided with a plurality of first positioning portions, each of the first positioning portions is provided with a first coupling member, the cover plate is provided with a plurality of second positioning portions, and each of the second positioning portions is provided with a second coupling member, and each The second coupling members are respectively combined with the first coupling members, wherein one of the first positioning portion and the second positioning portion is a pipe body, and the other of the first positioning portion and the second positioning portion is a pipe body. It is a cylinder. The cylinder system extends into the pipe along the axial direction. The inner diameter of the pipe is greater than or equal to 1.1 times the outer diameter of the cylinder.

Wherein, the first coupling member and the second coupling member are each a magnetized magnet, and at least one of the first coupling member and the second coupling member is a permanent magnet. Thereby, the second coupling members of each of the second positioning portions can be magnetically coupled to the first coupling members of each of the first positioning portions, respectively, so that the cover plate is detachably coupled to the frame.

The first coupling member and the second coupling member are respectively a permanent magnet and a screw made of a soft magnetic material. The first coupling part can be locked to the first positioning part (or the second positioning part) by screwing, so that the first coupling part (or the second coupling part) can be quickly and firmly coupled to the first positioning part. A positioning portion (or a second positioning portion).

Wherein, the first positioning portion is the pipe body, the first coupling member is coupled to the inside of the first positioning portion; the second positioning portion is the pillar body, and the second coupling member is coupled to the second positioning portion at the One side of the frame is adjacent in the axial direction. Thereby, when the second positioning portion extends into the first positioning portion along the axial direction, the second coupling member can be made to abut the first coupling member.

Wherein, the first positioning portion has a bottom surface facing the cover plate, and the first coupling member is coupled to the bottom surface; the second positioning portion is provided with a receiving groove adjacent to one side of the frame body in the axial direction, The second coupling member is combined in the receiving groove. Thereby, by coupling the first coupling member to the bottom surface and at least partially accommodating the second coupling member in the receiving groove, a space can be reserved in the pipe body of the first positioning portion for the first The pillars of the two positioning parts extend in and ensure that the first The positioning portion overlaps the second positioning portion on a plane perpendicular to the axial direction.

Wherein, the first positioning portion is provided with a through hole penetrating the bottom surface, so that the first coupling member can be easily inserted into the pipe body and coupled to the bottom surface.

Wherein, the first positioning portion is the cylinder, and the first coupling member is coupled to one side of the first positioning portion adjacent to the cover plate in the axial direction; the second positioning portion is the pipe body, the first Two coupling members are coupled inside the second positioning portion. Thereby, when the second positioning portion extends into the first positioning portion along the axial direction, the second coupling member can be made to abut the first coupling member.

Wherein, the first positioning portion is provided with a receiving groove adjacent to one side of the cover plate in the axial direction, and the first coupling member is combined in the receiving groove; the second positioning portion has one of the frames facing the frame. The bottom surface, the second coupling member is coupled to the bottom surface. Thereby, by combining the second coupling member on the bottom surface and allowing the first coupling member to be at least partially accommodated in the receiving groove, a space can be reserved in the pipe body of the second positioning portion for the first A pillar of a positioning portion extends in and ensures that the first positioning portion and the second positioning portion overlap on a plane perpendicular to the axial direction.

Wherein, the first positioning portion is provided with a through hole communicating with the receiving slot, so that the first coupling member can be easily combined in the receiving slot.

Wherein, the first positioning portion is provided with a ring-shaped convex portion extending toward the receiving groove, one end of the first coupling member is provided with a reduced diameter portion, and the first coupling member has a shoulder portion connected to the reduced diameter portion, the An annular convex portion surrounds the reduced diameter portion, and the shoulder portion abuts the annular convex portion. Thereby, the annular convex portion can position the first coupling member, so that the first coupling member does not need to fit tightly to the first positioning portion, and can still be stably fixed in the receiving groove.

The other end of the first coupling member is provided with another diameter reducing portion, so that when the first coupling member is placed into the first positioning portion in different directions, the annular convex portion can surround the diameter reducing portion, and By abutting the shoulder portion to the annular convex portion, the assembly convenience of the ventilation fan is effectively improved.

Wherein, the pipe body has a height, and the length of the column extending into the pipe body is greater than or equal to 0.25 times the height. Thereby, the first positioning portion and the second positioning portion are perpendicular to the axial direction. The overlapping portion on the plane in the direction is large enough to ensure that the first positioning portion and the second positioning portion can provide good lateral support force.

The column system abuts the inner peripheral wall of the pipe body, thereby improving the positioning support effect of the first positioning portion and the second positioning portion.

Wherein, the outer cover is further provided with a pivoting portion, which is respectively coupled to one of the frame body and the cover plate, so that the cover plate can be pivoted relative to the frame body.

The outer cover includes two opposite ends, the first positioning portion and the second positioning portion are disposed on one end of the outer cover, and the pivoting portion is disposed on the other end of the outer cover. Therefore, the ventilation fan does not need to completely separate the frame body and the cover plate, and can be maintained by the user, which can further reduce the time required for disassembling the cover plate.

With the above structure, the ventilation fan of each embodiment of the present invention only needs to extend the first positioning portion and the pillar in the second positioning portion into the pipe body, so that the second coupling member can be abutted and magnetically coupled to the first positioning portion. A combination piece has the effect of improving the convenience of use of the ventilation fan. Furthermore, the first positioning portion and the second positioning portion can provide a lateral supporting force, and have the effect of improving the structural strength of the ventilation fan. In addition, the first positioning portion and the second positioning portion can effectively cover and protect the first coupling member and the second coupling member to prevent the first coupling member and the second coupling member from rusting. The effect of extending the life of the ventilator.

〔this invention〕

1‧‧‧ Ontology

11‧‧‧fan

111‧‧‧air outlet

2‧‧‧ Cover

21‧‧‧Frame

21a‧‧‧through slot

211‧‧‧First positioning department

211a‧‧‧ ring convex

212‧‧‧first combination

212a‧‧‧ Reduced diameter

212b‧‧‧shoulder

213‧‧‧ underside

214‧‧‧container

215‧‧‧through hole

22‧‧‧ Cover

221‧‧‧Second positioning section

222‧‧‧Second Combination

223‧‧‧ underside

224‧‧‧container

23‧‧‧Vent

24‧‧‧ Pivot

X‧‧‧ axial direction

A‧‧‧ tube body

A1‧‧‧Expansion Department

B‧‧‧ cylinder

D‧‧‧Isolator

G‧‧‧ Colloid

H1‧‧‧ height

H2‧‧‧ length

W1‧‧‧Maximum inner diameter

W2‧‧‧ Outside diameter

[Learning]

9‧‧‧Ventilation fan

91‧‧‧Ventilation fan mask

911‧‧‧frame

912‧‧‧ Cover

92‧‧‧Ventilation fan body

Figure 1: Structural exploded view of a conventional ventilation fan.

FIG. 2 is an exploded view of the structure of a ventilation fan according to the first embodiment of the present invention.

FIG. 3 is a schematic sectional view of a ventilation fan according to the first embodiment of the present invention.

FIG. 4 is a schematic enlarged sectional view of a first positioning portion and a second positioning portion of a ventilation fan according to the first embodiment of the present invention.

Fig. 5: The assembly of the first positioning portion and the second positioning portion of the ventilation fan according to the second embodiment of the present invention Close-up enlarged schematic diagram.

FIG. 6 is an enlarged schematic cross-sectional view of a ventilator according to an embodiment of the present invention provided with through holes in a cylinder.

FIG. 7 is an enlarged schematic cross-sectional view of a ventilation fan according to an embodiment of the present invention, which is provided with through holes in a pipe body.

FIG. 8 is a structural exploded view of a ventilation fan according to a third embodiment of the present invention.

FIG. 9 is a schematic enlarged sectional view of a ventilator according to a third embodiment of the present invention provided with an enlarged diameter portion on a pipe body.

FIG. 10 is a schematic enlarged sectional view of a third embodiment of the ventilating fan provided with a reduced diameter portion on the first positioning member.

FIG. 11 is an enlarged schematic cross-sectional view of a combination of a first coupling member and a second coupling member of a ventilation fan according to a fourth embodiment of the present invention.

FIG. 12 is an enlarged schematic sectional view of a first coupling member and a second coupling member of a ventilation fan according to a fourth embodiment of the present invention separated from each other.

FIG. 13 is a structural exploded view of a ventilation fan according to a fifth embodiment of the present invention.

Fig. 14 is a schematic sectional view of a ventilation fan according to a fifth embodiment of the present invention.

In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments of the present invention in detail with the accompanying drawings, as follows: Please refer to FIGS. 2 and 3 It is a ventilator according to the first embodiment of the present invention, which includes a body 1 and a cover 2. The cover 2 is coupled to the body 1.

The main body 1 includes a fan 11 having an axial direction X, and the fan 11 includes an airflow port 111 formed on one side of the fan 11 in the axial direction X.

The cover 2 includes a frame 21 and a cover plate 22. The frame 21 is provided with several The first positioning portions 211 are each provided with a first coupling member 212. The cover plate 22 is provided with a plurality of second positioning portions 221, and each of the second positioning portions 221 is provided with a second coupling member 222. The first coupling member 212 and the second coupling member 222 are each a magnetized magnet, and at least one of the first coupling member 212 and the second coupling member 222 is a permanent magnet. Thereby, the second coupling members 222 of each of the second positioning portions 221 can be magnetically coupled to the first coupling members 212 of each of the first positioning portions 211, so that the cover plate 22 is detachably coupled to the frame body. twenty one.

One of the first positioning portion 211 and the second positioning portion 221 is a pipe body, and the other of the first positioning portion 211 and the second positioning portion 221 is a cylinder, and the column system is along the axial direction. The direction X extends into the pipe body. For example, please refer to FIG. 4 together, which is an enlarged schematic cross-sectional view of the combination of the first positioning portion 211 and the second positioning portion 221. In this embodiment, the first positioning portion 211 is a tube Body A, the second positioning portion 221 is a cylinder B, and the cylinder B extends into the pipe body A along the axial direction X. The first coupling member 212 is coupled inside the first positioning portion 211; the second coupling member 222 is coupled to the second positioning portion 221 adjacent to one side of the frame body 21 in the axial direction X. Therefore, after the second positioning portion 221 extends into the first positioning portion 211 along the axial direction X, the second coupling member 222 can be abutted to the first coupling member 212.

In this embodiment, the first coupling member 212 may be a magnetically conductive material made of a soft magnetic material, and the second coupling member 222 is a permanent magnet. Therefore, when the second coupling member 222 is adjacent to the first coupling member 212, The second coupling member 222 can be magnetically coupled to the first coupling member 212. It is worth noting that the first coupling member 212 can be a screw made of a soft magnetic material, whereby the first coupling member 212 can be locked to the first positioning portion 211 by screwing, so that the first coupling member 212 can be screwed. The coupling member 212 can be quickly and firmly coupled to the first positioning portion 211.

However, please refer to FIG. 5, which is a schematic enlarged sectional view of a combination of the first positioning portion 211 and the second positioning portion 221 of the ventilator according to the second embodiment of the present invention. The differences from the foregoing first embodiment are: The first positioning portion 211 is a pillar B, and the second positioning portion 221 is a pipe A. The pillar B extends into the pipe A along the axial direction X. The first joint 212 knot The first positioning portion 211 is adjacent to one side of the cover plate 22 in the axial direction X; the second coupling member 222 is coupled to the inside of the second positioning portion 221. Therefore, when the first positioning portion 211 extends into the second positioning portion 221 along the axial direction X, the second coupling member 222 can be abutted to the first coupling member 212. In addition, in this embodiment, the first coupling member 212 may be a permanent magnet, and the second coupling member 222 may be a magnetically permeable magnet (for example, an iron piece) made of a soft magnetic material. When 222 is adjacent to the first coupling member 212, the second coupling member 222 can be magnetically coupled to the first coupling member 212. Or, in some embodiments of the present invention, both the first coupling member 212 and the second coupling member 222 may be permanent magnets to enhance the magnetic attraction between the first coupling member 212 and the second coupling member 222. .

With the above structure, as shown in FIG. 3, when the ventilating fans of the first and second embodiments of the present invention are actually used, the body 1 can be installed on a partition D, which can be a ceiling of a building or Locations such as walls. The cover 2 may be provided with a through groove 21 a, the through groove 21 a communicates with the airflow opening 111 of the fan 11, and a ventilation opening 23 is formed between the frame body 21 and the cover plate 22. According to this, when the fan 11 is in operation, air can be introduced through the vent 23, the through groove 21a and the air opening 111 to provide a ventilation function. In addition, the cover plate 22 may be magnetically coupled to the first coupling member 212 of the frame body 21 through each of the second coupling members 222 to form a detachable coupling to the frame body 21. Therefore, when the user wants to remove the cover 22 to perform maintenance on the frame 21 or the main body 1, the user only needs to pull the cover 22 to overcome the gap between the second coupling members 222 and the first coupling members 212. The magnetic cover can remove the cover 22 from the frame 21 so as to facilitate the removal of the cover 22.

Among them, since the first coupling member 212 is coupled to the first positioning portion 211, the second coupling member 222 is coupled to the second positioning portion 221, and one of the first positioning portion 211 and the second positioning portion 221 is It is a pipe body A. The other of the first positioning portion 211 and the second positioning portion 221 is a pillar B, and the pillar B extends into the pipe body A along the axial direction X. According to this, when the user wants to replace the cover plate 22, the user only needs to extend the cylinder B into the pipe A to make the first The two coupling members 222 abut and magnetically couple the first coupling member 212. The ventilating fans of the first and second embodiments allow users to quickly magnetically couple each of the second coupling members 222 to each of the first coupling members 212 to improve the convenience of use of the ventilating fans.

In addition, the ventilating fans of the first and second embodiments, in addition to using each of the second coupling members 222 and each of the first coupling members 212 to provide longitudinal magnetic force, because the first positioning portion 211 and the second positioning portion The pillar B in 221 extends into the pipe body A along the axial direction X. Therefore, the first positioning portion 211 and the second positioning portion 221 can provide a lateral supporting force, so that the cover plate 22 can withstand a lateral outward force. It is not easy to cause displacement or falling off, and can effectively prevent the cover plate 22 from deforming under long-term use, so as to improve the structural strength of the ventilating fan.

In addition, the pillars B in the first positioning portion 211 and the second positioning portion 221 extend into the pipe body A along the axial direction X. Therefore, even if the cover plate 22 is deformed, the first positioning portion 211 and the second positioning portion 221 can also limit the amount of deformation of the cover plate 22, and prevent the spacing of the second positioning portion 221 from changing, so as to prevent the situation where the cover plate 22 cannot be replaced, thereby extending the ventilation fan. Service life. In addition, when the first coupling member 212 and the second coupling member 222 of the ventilating fans of the first and second embodiments are magnetically coupled to each other, the first coupling member 212 and the second coupling member 222 are accommodated in the first The positioning portion 211 and the inside of the column B in the second positioning portion 221, so the first positioning portion 211 and the second positioning portion 221 can effectively cover and protect the first coupling member 212 and the second coupling member 222 In order to prevent the first coupling member 212 and the second coupling member 222 from rusting, thereby extending the service life of the ventilation fan.

Based on the above technical concept, the following features and detailed descriptions of the ventilating fans of the embodiments of the present invention are shown below: Please refer to FIG. 4. In the ventilating fan of the first embodiment, the first positioning portion 211 has an inner portion facing the cover plate 22. A bottom surface 213 is connected to the bottom surface 213. Since in the first embodiment, the first coupling member 212 can be a screw made of a soft magnetic material, the first coupling member 212 can be locked into the bottom surface 213 to form the first coupling member 212. Locked to the first positioning portion 211. The second positioning portion 221 is provided with a receiving groove 224 in the axial direction X adjacent to one side of the frame body 21, and the second coupling member 222 is combined in the receiving groove 224. Thereby, the first coupling member 212 is coupled to the bottom surface 213, and the second coupling member 222 is at least partially accommodated in the receiving groove 224, so that it can be pre-prepared in the pipe body A of the first positioning portion 211. Leave space for the pillar B of the second positioning portion 221 to extend in, and ensure that the first positioning portion 211 and the second positioning portion 221 overlap on a plane perpendicular to the axial direction X.

Similarly, referring to FIG. 5, in the ventilation fan of the second embodiment, the first positioning portion 211 is provided with a receiving groove 214 in the axial direction X adjacent to one side of the cover plate 22. A coupling member 212 is combined in the receiving groove 214. The second positioning portion 221 has a bottom surface 223 facing the frame 21 inside, and the second coupling member 222 is coupled to the bottom surface 223. Thereby, by coupling the second coupling member 222 to the bottom surface 223, and allowing the first coupling member 212 to be at least partially accommodated in the receiving groove 214, the second coupling member 222 can be preset in the pipe body A of the second positioning portion 221. Leave space for the pillar B of the first positioning portion 211 to extend in, and ensure that the first positioning portion 211 and the second positioning portion 221 overlap on a plane perpendicular to the axial direction X.

Please refer to FIG. 6. In some embodiments of the present invention, if the first positioning portion 211 is a cylinder B, the first positioning portion 211 may further be provided with a through hole 215, and the through hole 215 communicates with the container. The groove 214 allows the first coupling member 212 to be easily combined into the receiving groove 214. Furthermore, one side of the through hole 215 away from the receiving groove 214 can be used for injecting the first coupling member 212 to form a gel G, and the first coupling member 212 is fixed in the receiving groove 214. The through hole 215 can be reduced in diameter relative to the receiving groove 214, so that the first coupling member 212 can be positioned in the receiving groove 214. However, the through hole 215 can also have the same diameter as the receiving groove 214. The first positioning portion 211 can be used to combine the first coupling members 212 with different lengths, but the present invention is not limited thereto. Similarly, if the second positioning portion 221 is a cylinder B, the second positioning portion 221 may also be provided with a through hole (not shown) that communicates with its receiving groove 224, so that the second coupling member 222 can be easily Combined in the receiving groove 224.

Please refer to FIG. 7. In some embodiments of the present invention, if the first positioning portion 211 is a pipe body A, the first positioning portion 211 may also be provided with a through hole 215 penetrating the bottom surface. 213, so that the first coupling member 212 can be easily inserted into the pipe body A and coupled to the bottom surface 213. Furthermore, one side of the through hole 215 away from the bottom surface 213 can be used to inject the first coupling member 212 to form a gel G, and the first coupling member 212 is fixed to the bottom surface 213. Similarly, if the second positioning portion 221 is a pipe body A, the second positioning portion 221 may also be provided with a through hole (not shown) penetrating the bottom surface 223 thereof, so that the second coupling member 222 can be easily placed. The tube body A is inserted into the bottom surface 223.

Please refer to FIG. 8 and FIG. 9, which are ventilating fans according to the third embodiment of the present invention. In this embodiment, the pipe body A in the first positioning portion 211 and the second positioning portion 221 has a height H1. The height H1 is the distance from the mouth of the pipe body A to its bottom surface 213, 223. The length H2 of the pillar B in the first positioning portion 211 and the second positioning portion 221 that projects into the pipe body A is preferably greater than or equal to The height H1 is 0.25 times, so that the overlapping portion of the first positioning portion 211 and the second positioning portion 221 on a plane perpendicular to the axial direction X is large enough to ensure that the first positioning portion 211 and the second positioning The portion 221 can provide a good lateral support force.

On the other hand, in this embodiment, the outer diameter of the first coupling member 212 may be smaller than the inner diameter of the receiving groove 214, so that the first coupling member 212 can fit tightly into the receiving groove 214.

Furthermore, as shown in FIG. 6, the pillar B in the first positioning portion 211 and the second positioning portion 221 can abut the inner peripheral wall of the pipe A; in other words, the inner diameter of the pipe A can be equal to The outer diameter of the pillar B is used to improve the positioning support effect of the first positioning portion 211 and the second positioning portion 221. However, as shown in FIG. 7, in some embodiments of the present invention, the inner diameter of the pipe body A is preferably greater than or equal to 1.1 times the outer diameter of the pipe body B, so that the pipe body B and the pipe body A A gap may be formed to ensure that the pillar B can extend into the pipe A unhindered. In addition, even if the cover plate 22 is deformed, the pitch of the second positioning portion 221 is changed. As long as the pitch of the second positioning portion 221 is changed within an allowable range, the pillar B can still extend into the pipe body. A to avoid the situation where the cover 22 cannot be replaced.

Alternatively, as shown in FIG. 9, in the third embodiment, an open end portion of the pipe body A may be provided with an enlarged diameter portion A1 so that the inner diameter of the pipe body A gradually increases at the enlarged diameter portion A1. increase. Thereby, the pipe body A has a maximum inner diameter W1, and the maximum inner diameter W1 is preferably greater than or equal to 1.1 times the outer diameter W2 of one of the pillars B, so that the pillar B can extend into the pillar without hindrance. Pipe body A; on the other hand, after the pillar body B passes through the enlarged diameter portion A1, it can still abut the inner peripheral wall of the pipe body A to lift the first positioning portion 211 and the second positioning portion 221 Positioning support effect.

Please refer to FIG. 10. In another aspect of the third embodiment, the first positioning portion 211 may further be provided with a ring-shaped convex portion 211 a extending toward the receiving groove 214. One end may be provided with a reduced diameter portion 212a, and the first coupling member 212 has a shoulder portion 212b connected to the reduced diameter portion 212a, and the annular convex portion 211a surrounds the reduced diameter portion 212a. Thereby, the first coupling member 212 can be inserted into the first positioning portion 211 through the through hole 215, so that the annular convex portion 211a surrounds the reduced diameter portion 212a, and the shoulder portion 212b abuts against the annular convex portion. 211a to position the first coupling member 212. Therefore, the first coupling member 212 does not need to be tightly coupled to the first positioning portion 211, and can still be stably fixed in the receiving groove 214. In addition, the first coupling member 212 may be provided with the reduced diameter portions 212a at both ends, so that the first coupling member 212 can make the annular convex portion when the first coupling member 212 is placed into the first positioning portion 211 in different directions. 211a surrounds the reduced diameter portion 212a and abuts the annular convex portion 211a through the shoulder portion 212b, which effectively improves the assembly convenience of the ventilation fan.

Although in the foregoing embodiments, the first coupling member 212 and the second coupling member 222 are each a magnetized magnet, and at least one of the first coupling member 212 and the second coupling member 222 is a permanent magnet, so that The second coupling members 222 of each of the second positioning portions 221 can magnetically couple the first coupling members 212 of each of the first positioning portions 211. However, please refer to FIG. 11 and FIG. 12, which are ventilating fans according to the fourth embodiment of the present invention. The difference from the foregoing embodiments is that the first coupling member 212 and the second coupling member 222 are a buckle. Components, for example, the first coupling member 212 may be a male fastener; in contrast, the second coupling member 222 may be a female clip, so that the first coupling The male fastener of the element 212 and the female clip of the second coupling element 222 can be combined or separated from each other by being pressed toward each other by an external force. However, the first coupling member 212 may also be a female clip; in contrast, the second coupling member 222 may be a male fastener, so that the female clip of the first coupling member 212 and the second coupling member 222 The male fasteners can also be combined or separated from each other by being pressed toward each other by external forces. Thereby, the second coupling members 222 of the second positioning portions 221 can still be combined with the first coupling members 212 of the first positioning portions 211 respectively, so that the cover plate 22 is detachably coupled to the frame body 21. . Accordingly, in the ventilating fan according to the embodiment of the present invention, the coupling manner of the second coupling member 222 of each of the second positioning portions 221 and the first coupling member 212 of each of the first positioning portions 211 is not limited to magnetic coupling.

Please refer to FIG. 13 and FIG. 14, which are ventilating fans according to the fifth embodiment of the present invention. The difference from the foregoing embodiments is that the cover 2 is further provided with a pivoting portion 24, which is respectively coupled to the pivoting portion 24. The frame body 21 and the cover plate 22 enable the cover plate 22 to pivot relative to the frame body 21. In addition, the cover 2 includes two opposite ends, the first positioning portions 211 and the second positioning portions 221 are disposed on one end of the cover 2, and the pivoting portion 24 is disposed on the other end of the cover 2. Thereby, the user can rotate the cover plate 22 toward the frame body 21 and extend the pillar B into the pipe body A, so that the second coupling member 222 abuts and magnetically couples the first coupling member 212. To connect the cover plate 22 to the frame body 21; on the contrary, the user can pull the cover plate 22 to separate the first coupling member 212 from the second coupling member 222, and face the cover plate 22 away from the By rotating the frame 21 in the direction, maintenance can be performed on the frame 21 or the parts on the body 1. Therefore, the ventilating fan of the third embodiment of the present invention does not need to completely separate the frame body 21 and the cover plate 22, and can be maintained by the user, which can further reduce the time required to remove the cover plate 22.

In summary, the ventilating fan of each embodiment of the present invention is provided with a first coupling member 212 at each of the first positioning portions 211 of the frame body 21 and a second coupling member 222 at each of the second positioning portions 221. The cover plate 22 may be coupled to the first coupling member 212 of the frame body 21 through the second coupling members 222 to form a detachable coupling to the frame body 21. Therefore, just by pulling or pushing the cover plate 22, the cover plate 22 can be removed from the frame body 21, and the cover plate 22 can be easily removed.

Compared with the conventional ventilating fan, when the cover plate 912 is to be replaced, each magnet must be aligned with and close to a magnetic attraction part (for example, an iron piece or another magnet) to enable the cover plate 912 to be magnetically coupled to the frame. Body 911. When the ventilation fan of each embodiment of the present invention wants to replace the cover plate 22, it is only necessary to extend the pillar B in the first positioning portion 211 and the second positioning portion 221 into the pipe body A to make the second positioning portion 22 The coupling member 222 abuts and combines the first coupling member 212. According to this, the ventilating fan of each embodiment enables the user to quickly combine each of the second coupling members 222 with each of the first coupling members 212, and indeed has the effect of improving the convenience of use of the ventilating fan.

In addition, compared with the magnets of the conventional ventilating fans, which cannot provide lateral supporting force, the first positioning portion 211 and the second positioning portion 221 of the ventilating fan according to the embodiments of the present invention can provide lateral supporting forces, so that the cover plate 22 can bear. When the lateral force is applied, it is difficult to cause displacement or falling off, which can effectively prevent the cover plate 22 from deforming under long-term use, and indeed has the effect of improving the structural strength of the ventilating fan.

In addition, the pillars B in the first positioning portion 211 and the second positioning portion 221 extend into the pipe body A along the axial direction X, which can limit the amount of deformation of the cover plate 22 and avoid the first The spacing between the two positioning portions 221 is changed to avoid the situation where the cover plate 22 cannot be replaced, thereby extending the service life of the ventilation fan. In addition, compared with the magnets of the conventional ventilating fan described above, when the first coupling member 212 and the second coupling member 222 of the ventilating fan of each embodiment of the present invention are combined with each other, the first coupling member 212 and the second coupling member 222 are contained. The first positioning portion 211 and the second positioning portion 221 are placed inside the cylinder B, so the first positioning portion 211 and the second positioning portion 221 can effectively cover and protect the first coupling member 212 and the The second coupling member 222 prevents the first coupling member 212 and the second coupling member 222 from rusting, and indeed has the effect of extending the service life of the ventilation fan.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications to the above embodiments without departing from the spirit and scope of the present invention. The technical scope protected by the invention The scope of protection shall be determined by the scope of the attached patent application.

Claims (15)

A ventilating fan includes: a body including a fan having an axial direction; and a cover including a frame body and a cover plate, the frame body being provided with a plurality of first positioning portions, each of the first positioning portions The cover is provided with a first coupling member, the cover plate is provided with a plurality of second positioning members, each of the second positioning members is provided with a second coupling member, and each of the second coupling members is respectively combined with the first coupling member; One of the first positioning portion and the second positioning portion is a pipe body, and the other of the first positioning portion and the second positioning portion is a pillar, and the pillar system extends into the axial direction along the axial direction. The pipe body has an inner diameter greater than or equal to 1.1 times the outer diameter of the cylinder. The ventilating fan according to item 1 of the scope of patent application, wherein each of the first coupling member and the second coupling member is a conductive magnet, and at least one of the first coupling member and the second coupling member is a permanent magnet. . The ventilating fan according to item 2 of the scope of patent application, wherein the first coupling member and the second coupling member are a permanent magnet and a screw made of a soft magnetic material, respectively. The ventilating fan according to item 1 of the scope of patent application, wherein the first positioning portion is the pipe body, the first coupling member is coupled to the inside of the first positioning portion, the second positioning portion is the cylinder, and the first Two coupling members are coupled to the second positioning portion adjacent to one side of the frame body in the axial direction. The ventilating fan according to item 4 of the scope of patent application, wherein the first positioning portion has a bottom surface facing the cover plate, the first coupling member is coupled to the bottom surface, and the second positioning portion is in the axial direction. A receiving slot is disposed adjacent to one side of the frame, and the second coupling member is combined in the receiving slot. The ventilating fan according to item 5 of the scope of patent application, wherein the first positioning portion is provided with a through hole penetrating the bottom surface. The ventilating fan according to item 1 of the scope of patent application, wherein the first positioning portion is the cylinder, and the first coupling member is coupled to the first positioning portion adjacent to one side of the cover plate in the axial direction; The second positioning portion is the pipe body, and the second coupling member is coupled inside the second positioning portion. The ventilating fan according to item 7 of the scope of patent application, wherein the first positioning portion is provided with a receiving groove in the axial direction adjacent to one side of the cover plate, and the first coupling member is combined in the receiving groove; The second positioning portion has a bottom surface facing the frame, and the second coupling member is coupled to the bottom surface. The ventilating fan according to item 8 of the scope of patent application, wherein the first positioning portion is provided with a through hole communicating with the receiving groove. The ventilating fan according to item 9 of the scope of patent application, wherein the first positioning portion is provided with a ring convex portion extending toward the receiving groove, one end of the first coupling member is provided with a reduced diameter portion, and the first coupling member A shoulder portion is connected to the reduced diameter portion, the annular convex portion surrounds the reduced diameter portion, and the shoulder portion abuts the annular convex portion. The ventilating fan according to item 10 of the scope of patent application, wherein the other end of the first coupling member is provided with another reduced diameter portion. For example, the ventilating fan according to item 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11 of the scope of patent application, wherein the tube body has a height, and the column extends into the tube body. The length is greater than or equal to 0.25 times the height. For example, the ventilating fan according to item 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11 of the scope of patent application, wherein the column system abuts the inner peripheral wall of the pipe body. For example, the ventilating fan described in item 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, or 11 of the scope of patent application, wherein the outer cover is further provided with a pivot joint, and the pivot joints are respectively combined with The frame and the cover. The ventilating fan according to item 14 of the patent application scope, wherein the cover includes opposite ends, the first positioning portion and the second positioning portion are disposed on one end of the cover, and the pivot portion is disposed on the other end of the cover .