TWM582118U - Induced-draft fan - Google Patents

Abstract

A draft fan includes a frame unit, a fan unit, a docking unit, and an accessory unit. The frame unit includes an outer casing having a perforation disposed along a reference axis. The fan unit is coupled to the frame unit and includes a motor and a wind collecting member coupled to the motor and driven by the motor to be rotatable about the reference axis. The docking station unit includes a first docking station coupled to the rack unit and corresponding to the perforation of the outer casing along the reference axis. The accessory unit includes a first accessory mounted on the first docking station of the docking station unit. With the first expansion seat of the docking station unit and the first fitting of the accessory unit, in addition to the advantages of more flexible mounting, it is further possible to achieve multiple and convenient expandability.

Description

Fan

The present invention relates to a draft fan, and more particularly to a fan that can be elastically expanded.

Referring to FIG. 1, the draft fan 101 installed on the ceiling 100 is often installed with an exhaust line (not shown) to achieve air circulation. However, after the installation is completed, the structure is often It is not easy to adjust the position again. When it is necessary to install the lamp 102, or the sound amplifying device 103, or the WIFI device 104, or the Bluetooth device 105, it is necessary to use other space of the ceiling 100, which will cause the ceiling 100 to be squeezed and added extra. The load weight, especially in the assembly of the luminaire 102, tends to avoid such as the position of the beam (not shown), the fan 101, etc., resulting in improper installation position, which indirectly causes uneven lighting in the room. In addition, in the use state of the small number, it is more likely that the space of the ceiling 100 is insufficient, and it is necessary to choose whether or not to install an additional device, which is inflexible and inconvenient to use.

Therefore, the first object of the present invention is to provide a draft fan that can elastically mount various types of accessories.

A second object of the present invention is to provide a draft fan equipped with an expansion fitting.

Therefore, the novel draft fan is suitable for installing an accessory unit, and comprises a frame unit, a fan unit, and a docking unit.

The frame unit includes an outer casing having a perforation disposed along a reference axis.

The fan unit is coupled to the frame unit and includes a motor and a wind collecting member coupled to the motor and driven by the motor to pivot along the reference axis.

The docking unit is coupled to the frame unit and is adapted to connect to the accessory unit.

Therefore, the novel exhaust fan comprises a frame unit, a fan unit, a docking unit, and an accessory unit.

The frame unit includes an outer casing having a perforation disposed along a reference axis.

The fan unit is coupled to the frame unit and includes a motor and a wind collecting member coupled to the motor and driven by the motor to pivot along the reference axis.

The docking station unit includes a first docking station coupled to the rack unit and corresponding to the perforation of the outer casing along the reference axis.

The accessory unit includes a first accessory mounted on the first docking station of the docking station unit.

The utility model has the advantages that the first expansion seat of the docking unit and the first fitting of the accessory unit can further achieve multiple and convenient expandability in addition to the advantages of more flexible installation.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 2 and FIG. 3, a first embodiment of the present draft fan includes a frame unit 2, a fan unit 3, a docking unit 4, and an accessory unit 5.

The frame unit 2 includes a main frame body 21 and an outer casing body 22.

The main frame body 21 has an air inlet 211 and an air outlet 212. The exhaust port 212 is for mounting an exhaust line (not shown).

The outer casing 22 is coupled to the main frame body 21 and has a through hole 221 disposed along a reference axis L and an inner side surface 222 defining a cavity 223.

The fan unit 3 is connected to the frame unit 2 and adjacent to the inner side surface 222 of the outer casing 22, and includes a motor 31 disposed on the main frame body 21, and is connected to the motor 31 and driven by the motor 31. The wind collecting member 32 is rotatable about the reference axis L.

In the first embodiment, the fan unit 3 is installed in the air inlet 211 of the main frame body 21, and when the wind collecting member 32 of the fan unit 3 rotates, the air can flow into the air inlet unit. The gas port 211 is discharged through the vent hole 212. In addition, in the first embodiment, the wind collecting member 32 is a wind wheel. It should be noted that, in other variations of the embodiment, the wind collecting member 32 can also be provided after being driven to rotate. The fan blade of the air volume cannot be limited to this.

The docking station unit 4 includes a first docking station 41. The first docking seat 41 is coupled to the frame unit 2 and extends along the reference axis L and surrounds the through hole 221 of the outer casing 22. In the first embodiment, the first expansion base 41 and the outer casing 22 of the frame unit 2 are integrally formed. However, in other variations of the first embodiment, the first expansion base 41 can also be The detachable connection is one of the main frame body 21 and the outer casing body 22, and cannot be limited thereto.

The accessory unit 5 includes a first fitting 51. In the first embodiment, the first accessory 51 is a xenon lamp and is connected to the first docking seat 41 of the docking station unit 4. It should be noted that in other variations of the first embodiment, the first accessory 51 can also be a speaker device, or a WIFI device, or a Bluetooth device, or other kind of lamp, or can be only one. Decorative cover, when not limited to this.

Referring to FIG. 4, a second embodiment of the present draft fan is substantially the same as the first embodiment, and includes the frame unit 2, the fan unit 3, the docking unit 4, and the accessory unit 5. . The difference is:

The docking station unit 4 further includes a second docking station 42 that further includes a second fitting 52.

In the second embodiment, the second expansion base 42 is integrally formed with the outer casing 22' of the frame unit 2, and the second assembly 52 is a moisture-proof cover, and is mounted along the reference axis L. The fan unit 3 is interposed between the inner side 222' of the outer casing 22' and the through hole 221' of the outer casing 22'.

Referring to FIG. 5 and FIG. 6 , a third embodiment of the present draft fan is substantially the same as the first embodiment, and includes the frame unit 2, the fan unit 3, the docking unit 4, and the same. Accessory unit 5. The difference is:

The outer casing 22'' of the frame unit 2 is a light transmissive material.

The docking station unit 4 includes a first docking seat 41 ′′ and two second docking seats 42 ′ connected to the main frame body 21 of the frame unit 2 . In the third embodiment, the first docking station 41'' is a lamp holder. It should be noted that, in other variations of the third embodiment, the second extensions 42 ′ can also be directly mounted on the inner side 222 ′′ of the outer casing 22 ′′, which cannot be limited thereto. .

The accessory unit 5 includes a first fitting 51'' and two second fittings 52'. In the third embodiment, the first accessory 51'' has a bulb 511 electrically connected to the first docking station 41'', and a set of lampshades 512 disposed outside the bulb 511. The second fittings 52' are LED lights and are located within the housing 223" of the outer casing 22".

It should be noted that the number of the second extensions 42' and the second accessories 52' is not limited to two, and in other variations of the third embodiment, three or four may be used. Or more than 4, in which case the number of the second docking stations 42' is the same as the number of the second fittings 52', and is disposed around the frame axis 2 around the reference axis L. In addition, in other variations, the number of the second docking station 42' and the second accessory 52' may also be one. In this case, the second component 52' is a ring type lamp, or a speaker device, or a WIFI device. , or Bluetooth devices, or other types of lights, when not limited to this.

In summary, the docking station unit 4 and the accessory unit 5 can further achieve multiple and convenient expandability in addition to the advantages of more flexible mounting. Therefore, it is indeed possible to achieve the purpose of the present invention.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

100‧‧‧ ceiling  101‧‧‧ fans  102‧‧‧Lighting  103‧‧‧Amplifier  104‧‧‧WIFI device  105‧‧‧Bluetooth device  L‧‧‧ reference axis  2‧‧‧Shell unit  21‧‧‧Main frame  211‧‧‧air inlet  212‧‧‧Exhaust port  22‧‧‧Outer casing  22'‧‧‧Outer casing  22''‧‧‧ outer casing  221‧‧‧Perforation  221'‧‧‧Perforation  221''‧‧‧Perforation  222‧‧‧ inside  222'‧‧‧ inside side  222''‧‧‧ inside side  223‧‧ ‧ room  223'‧‧ ‧ room  223''‧‧‧ Rooms  3‧‧‧Fan unit  31‧‧‧Motor  32‧‧‧Wind parts  4‧‧‧Expansion unit  41‧‧‧First expansion seat  41'‧‧‧First Expansion Seat  41''‧‧‧First Expansion Seat  42‧‧‧Second extension  42'‧‧‧Second extension  5‧‧‧Accessory unit  51‧‧‧ first accessories  51''‧‧‧ first accessory  511‧‧‧Light bulb  512‧‧‧shade  52‧‧‧Second accessories  52'‧‧‧Second accessories

Other features and effects of the present invention will be apparent from the following description of the drawings, in which:  Figure 1 is a perspective view showing a conventional exhaust fan mounted on a ceiling;  Figure 2 is an exploded perspective view showing a first embodiment of the novel draft fan;  Figure 3 is a perspective assembled view of the first embodiment;  Figure 4 is an exploded perspective view showing a second embodiment of the novel draft fan;  Figure 5 is an exploded perspective view showing a third embodiment of the novel draft fan; and  Figure 6 is a perspective assembled view of the third embodiment.  

Claims (19)

A fan is suitable for installing an accessory unit and comprises:  a casing unit includes an outer casing having a perforation disposed along a reference axis;  a fan unit coupled to the frame unit and including a motor, and a wind collecting member coupled to the motor and driven by the motor to be rotatable about the reference axis; and  A docking unit coupled to the frame unit and adapted to connect to the accessory unit.   The draft fan of claim 1, wherein the docking unit comprises a first docking station, the first docking station is coupled to the rack unit, and corresponding to the perforation of the outer casing along the reference axis, and is applicable to Connect the accessory unit. A fan that includes:  a casing unit includes an outer casing having a perforation disposed along a reference axis;  a fan unit coupled to the frame unit and including a motor, and a wind collecting member coupled to the motor and driven by the motor to pivot along the reference axis;  a docking unit includes a first docking station coupled to the rack unit and corresponding to the perforation of the outer casing along the reference axis;  An accessory unit includes a first accessory mounted on the first docking station of the docking station unit.   The draft fan of claim 3, wherein the first fitting of the accessory unit is electrically connected to the first docking station of the docking station unit. The fan of claim 4, wherein the first accessory is a lamp. The fan of claim 4, wherein the first accessory speaker device. The fan of claim 4, wherein the first accessory is a WIFI device. The fan of claim 4, wherein the first accessory is a Bluetooth device. The fan of claim 3, wherein the first accessory is a decorative cover. The fan of claim 3, wherein the docking station unit further comprises at least one second docking station mounted on the rack unit, and at least one second fitting connected to the second docking station. The fan of claim 10, wherein the outer casing is of a light transmissive material and has an inner side adjacent to the fan unit and defining a chamber, the second extension is a lamp holder, and the second accessory It is a lamp and is located in the housing of the outer casing. The fan of claim 10, wherein the outer casing is of a light transmissive material and has an inner side adjacent to the fan unit, the second extension is a lamp holder and is mounted on an inner side of the outer casing. The second accessory is a light. The fan of claim 10, wherein the second accessory is a speaker device. The fan of claim 10, wherein the second accessory is a WIFI device. The fan of claim 10, wherein the second accessory is a Bluetooth device. The fan of claim 3, wherein the docking station unit further includes at least two second docking stations mounted on the rack unit, and at least two second fittings respectively connected to the second docking stations. The number of the second docking stations is the same as the number of the second fittings, and is disposed around the outer casing around the reference axis. The fan of claim 16, wherein the outer casing is of a light transmissive material and has an inner side adjacent to the fan unit and defining a chamber, the second extension being a lamp holder, the first The second accessory is a lamp and is located within the housing of the outer casing. The exhaust fan of claim 3, wherein the wind collecting member of the fan unit is a wind wheel. The draft fan of claim 3, wherein the wind collecting member of the fan unit is a blade.