Blower

Abstract

To provide an air blower capable of improving cooling efficiency when attached to an air-conditioning clothing, etc. and used.SOLUTION: An air blower 100 mounted to a sheet-shaped member 200 includes a fan body 1 and case body 2 accommodating the fan body 1. The case body 2 includes: an air suction part 22 for taking in air to the air blower 100; an air discharge part 24 for discharging air from the air blower 100; and a mounting part 23 provided in the vicinity of an end part of the air suction part 22 side of a surface on the side of a direction approximately vertical to a rotating shaft of the fan body 1 to mount the case body 2 to the sheet-shaped member 200.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an air blower that is attached to an article that has the function of cooling the body by circulating air inside, such as air-conditioned clothing, air-conditioned cushions, air-conditioned backpacks, and other air-conditioned seats, as well as ventilation devices inside helmets. [Background technology]

[0002] In recent years, products that have the function of cooling the body by circulating air inside using a fan have been put into practical use, such as air-conditioned clothing that introduces outside air into the garment to cool the wearer's body, air-conditioned sheets such as air-conditioned cushions and air-conditioned backpacks that have a spacer between two sheets, one above the other, and allow air to circulate through this space to cool the parts that come into contact with the body, and in-helmet ventilation devices that circulate air inside a helmet.

[0003] All of these articles are formed by opening mounting holes in a sheet-like member and attaching a blower to the mounting hole, but conventional blower devices use axial flow blowers such as propeller fans, which create an air flow approximately perpendicular to the sheet-like member (see, for example, Patent Document 1).

[0004] Moreover, the following structure is used for mounting such an air blowing device to a sheet-like member. That is, the fan includes a fan body and an annular locking member for attaching the fan body to a sheet-like member, and the fan body has a hollow cylindrical portion and a flange portion protruding from the upper end of the cylindrical portion in a direction substantially perpendicular to the side surface of the cylindrical portion. The cylindrical portion is inserted into an attachment hole formed in the sheet-like member, and the annular locking member is inserted into the outer periphery of the cylindrical portion from the inner surface side of the sheet-like member to sandwich the sheet-like member between the rear surface of the flange portion and the end face of the annular locking member, and the locking piece provided on the cylindrical portion is engaged with the protrusion provided on the annular locking member, thereby attaching the fan to the sheet-like member (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Republished Patent No. 2006 / 009108 Summary of the Invention [Problem to be solved by the invention]

[0006] When using the above-mentioned air blowing device, in order to cool the body by circulating air inside the air-conditioned garment, etc., it is necessary to change the direction of the air flow formed by the axial flow fan, which is approximately perpendicular to the sheet-like member, by 90 degrees to create an air flow parallel to the body. For example, in the air-conditioned garment, the introduced air is blown against the wearer's body or underwear to change the direction of the air flow to a direction parallel to the wearer's body or underwear.

[0007] However, in this type of structure, the air flow speed inevitably slows down in the process of changing the direction of the air flow by 90 degrees, resulting in large losses and poor cooling efficiency.

[0008] An object of the present invention is to provide an air blower capable of improving cooling efficiency when attached to air-conditioned clothing or the like. [Means for solving the problem]

[0009] In order to solve the above problem, the invention described in claim 1 comprises: A blower device attached to a sheet-like member, a fan body; a case body that houses the fan body; and a mounting member that is separate from the case body and that is used to mount the case body to a mounting hole in the sheet-like member, The case body is an intake section for taking in air into the blower; an exhaust section for discharging air from the blower; an attachment portion provided near an end of a surface of the fan body in a direction substantially perpendicular to a rotation axis thereof, the attachment portion being used to attach the case body to an attachment hole of the sheet-like member; having When the case body is attached to the attachment hole of the sheet-like member, the case body is disposed so as to be located on one surface side of the sheet-like member, the mounting member is disposed so as to be located on the other surface side opposite to the one surface side of the sheet-like member, The mounting portion of the case body is a flange disposed on the one surface side of the sheet-like member and extending toward an outer surface side of the mounting portion; The sheet-like member is provided with a mounting hole, and the mounting hole penetrates the sheet-like member and protrudes toward the other surface of the sheet-like member. Ring-shaped member And, The above Ring-shaped member The case body is configured to be attached to the sheet-like member by screwing a male thread formed on the mounting member into a female thread formed on the mounting member, thereby sandwiching the sheet-like member between the mounting member and the flange.

[0016] Claim 2 The invention described in claim 1 In the blower device described in The fan body is characterized in that it is a turbofan having an outer rotor type motor and blades provided on the side surface of the outer rotor type motor.

[0017] Claim 3 The invention described in claim 1 or 2 In the blower device described in The mounting portion is formed on a surface of the case body that is substantially perpendicular to the rotation axis of the fan body, avoiding a portion that faces an outer periphery of the blades of the fan body.

[0018] Claim 4 The invention described in claim 1 Any one of the three items In the blower device described in The air intake section and / or the air exhaust section is characterized in that it is provided with a mesh member that covers an opening. Claim 5 The invention described in claim 1 Any one of the items from to 4 In the blower device described in The intake portion is provided on a surface of the fan body on a rotation axis direction side, The exhaust portion is provided on a surface of the fan body that is substantially perpendicular to a rotation axis of the fan body. Effect of the Invention

[0019] According to the present invention, it is possible to provide an air blower that can improve cooling efficiency when attached to air-conditioned clothing or the like. [Brief description of the drawings]

[0020] [Figure 1] FIG. 2 is a side view of the blower according to the first embodiment. [Diagram 2] (a) is a plan view of a fan body of the blower device according to the first embodiment, and (b) is a side view of the fan body of the blower device according to the first embodiment. Note that the arrow in (a) indicates the rotation direction of the motor. [Diagram 3] FIG. 2(a) is a plan view of a case body of the blower device according to the first embodiment, and (b) is a side view of the case body of the blower device according to the first embodiment. [Figure 4] FIG. 2 is a side view showing a state in which the air blower according to the first embodiment is attached to a sheet-like member. [Diagram 5] FIG. 11 is a side view of a case body according to a modified example of the first embodiment. [Figure 6] FIG. 11 is a side view showing a state in which a blower device according to a modified example of the first embodiment is attached to a sheet-like member. [Figure 7] FIG. 13(a) is a side view of a case body of a blower device according to a second embodiment, and (b) is a side view of a mounting ring of the blower device according to the second embodiment. [Figure 8] FIG. 11 is a side view showing a state in which a blower device according to a second embodiment is attached to a sheet-like member; [Figure 9]FIG. 11 is a side view of a blower device according to a third embodiment. [Figure 10] FIG. 11 is a side view of a fan body according to a modified example. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0021] A blower according to an embodiment of the present invention will be described below with reference to Fig. 1 to Fig. 10. In the following description, the blower is attached to a sheet-like member, and the outer surface of the sheet-like member is defined as the upper side, and the inner surface of the sheet-like member is defined as the lower side.

[0022] [First embodiment] A blower device 100 according to a first embodiment will be described with reference to Figs.

[0023] {Configuration Description} As shown in FIG. 1, the blower device 100 includes a fan body 1 that forms an air flow, a case body 2 that houses the fan body 1, and a connector (not shown) for supplying power to the fan body 1.

[0024] (Fan body) The fan body 1 is a turbofan that blows air in a direction approximately perpendicular to the rotation axis, and includes a motor 11, a plurality of blades 12, and a bottom plate 13, as shown in FIG. The fan body 1 is housed in the case body 2 so that the rotation shaft of the motor 11 is substantially parallel to the vertical direction.

[0025] (Motor) Motor 11 is, for example, an outer rotor type brushless motor, and has a rotating part 111 and a non-rotating part 112, and is configured so that rotating part 111 rotates relative to non-rotating part 112. The rotation axis of motor 11 is in the up-down direction, that is, in the direction approximately perpendicular to the paper surface in FIG.

[0026] (blade) The blades 12 are attached to a rotating part 111 of the motor 11 and rotate with the rotation of the rotating part 111 to blow air in a direction approximately perpendicular to the rotation axis of the motor 11. As shown in FIG. 2, the blade 12 is formed in a substantially rectangular plate shape, with its short sides approximately parallel to the rotation shaft of the motor 11 and its long sides extending approximately perpendicular to the rotation shaft, and curving backward relative to the direction of rotation as it extends outward.

[0027] (bottom plate) As shown in FIG. 2( a ), the bottom plate 13 is a circular plate-like member having approximately the same diameter as the rotation range of the blades 12 . . . and is connected to the lower ends of the blades 12 . The bottom plate 13 is fixed to a rotating part 111 of the motor 11, and rotates together with the blades 12 as the rotating part 111 of the motor 11 rotates.

[0028] {Case body} As shown in FIG. 3, the case body 2 includes a bottom portion 21, an intake portion 22, an attachment portion 23, and an exhaust portion 24, and is formed into a generally cylindrical shape as a whole. The fan body 1 is housed inside the case body 2. When the fan body 1 is operated, outside air is taken in through the intake section 22 and exhausted through the exhaust section 24.

[0029] (bottom) The bottom portion 21 includes a bottom body 211 and a fixing portion 212 . The bottom body 211 is a plate-like member formed into a disk shape, and is formed so as to have a circular shape having a diameter larger than the rotation range of the blades 12 when viewed from the direction of the rotation shaft of the motor 11. The fixing portion 212 is a portion that fixes the non-rotating portion 112 of the motor 11 so that the rotation axis of the motor 11 is approximately perpendicular to the bottom body 211 , and is provided in the center of the bottom body 211 . The bottom portion 21 may have any configuration as long as the non-rotating portion 112 of the motor 11 can be fixed so that the rotation shaft of the motor 11 is approximately horizontal with respect to the vertical direction.

[0030] (Intake section) The air intake section 22 is a section that takes in outside air into the inside of the blower device 100, and is formed so as to have a circular shape that is substantially congruent with the bottom body 211 when viewed from the direction of the rotation axis of the motor 11. As shown in Figure 3(a), the intake section 22 comprises a circular central base 221, a plurality of rod-shaped sections 222... extending radially from the central base 221, and a ring-shaped annular section 223... centered on the central base 221, and a gap is formed between these sections leading to the inside of the case body 2.

[0031] Because of this configuration, intake section 22 has sufficient ventilation, and can take in outside air into case body 2 when internal fan main body 1 is rotated. In addition, in order to prevent fingers or the like from entering the case body 2 from the outside and becoming caught in the rotating blades 12, it is desirable that the gaps formed between the central base 221, the rod-shaped portions 222, and the ring-shaped portions 223 are only large enough to prevent fingers from entering.

[0032] (Mounting part) As shown in FIG. 3(b), the attachment portion 23 includes a ring-shaped member 231, an outer surface side flange 232, and an inner surface side flange 233.

[0033] The ring-shaped member 231 is formed in a circular shape having an outer shape substantially the same as the diameter of the bottom body 211 of the bottom portion 21 and the intake portion 22 , and is connected to the lower surface side of the intake portion 22 . An outer flange 232 is provided at the upper end of the ring-shaped member 231, and an inner flange 233 is provided at the lower end. This forms a groove 234 between the outer flange 232 and the inner flange 233. Note that it is desirable for the groove 234 to have a width in the vertical direction that is approximately the same as the thickness of the periphery of the opening hole of the sheet-like member 200 so that the sheet-like member 200 inserted into the groove 234 is unlikely to come off, as described below.

[0034] The outer surface side flange 232 is formed so as to extend in an annular shape from the upper end of the ring-shaped member 231 in a direction substantially perpendicular to the rotation shaft of the motor 11 . The inner surface flange 233 is formed so as to extend in an annular shape from the lower end of the ring-shaped member 231 in a direction substantially perpendicular to the rotation shaft of the motor 11 . In addition, in order to make it easier to insert the blower device 100 into the mounting hole of the sheet-like member 200 when attaching the blower device 100 to the sheet-like member 200 as described below, the outer flange 232 and the inner flange 233 may be formed to extend at an angle upward or downward from a direction perpendicular to the rotation axis of the motor 11. Furthermore, the outer flange 232 and the inner flange 233 need only be formed so that the groove portion 234 is formed therebetween, and do not necessarily have to extend from the upper end or the lower end of the ring-shaped member 231 .

[0035] As shown in FIG. 3( a ), the inner flange 233 extends farther than the outer flange 232 , and is formed so as to have a larger diameter than the outer flange 232 when viewed from the direction of the rotation shaft of the motor 11 .

[0036] In order not to interfere with the blowing of air by the fan body 1, it is desirable that the mounting portion 23 is not provided on the portion of the side of the case body 2 that faces the outer periphery of the blades 12, as shown in FIG. 1, but is provided above the outer periphery of the blades 12.

[0037] (Exhaust section) The exhaust section 24 is a section that exhausts air from the blower 100, and is formed of a plurality of columnar members 241, as shown in FIG. 3(b). The columnar members 241... are arranged circumferentially to connect the edge of the bottom body 211 and the mounting portion 23, and the entire case body 2 is approximately cylindrical with the bottom body 211 on the lower surface, the intake portion 22 on the upper surface, and the mounting portion 23 and the exhaust portion 24 on the side surfaces.

[0038] Because it is configured in this manner, the exhaust section 24 has sufficient breathability, and when the internal fan body 1 is rotated, the outside air that flows in through the intake section 22 can be expelled from the exhaust section 24.

[0039] In addition, to prevent fingers or the like from entering the case body 2 from the outside and becoming caught in the rotating blades 12, it is desirable to arrange the columnar members 241 with only a small gap between them that prevents fingers from entering.

[0040] {Installation Instructions} When attaching the air blower 100 to air-conditioned clothing or the like, as shown in FIG. 4, the air blower 100 is inserted into a mounting hole (not shown), which is a circular hole having a diameter approximately the same as the outer diameter of the ring-shaped member 231 formed in the sheet-like member 200, with the intake section 22 facing the outer side, and the edge surrounding the mounting hole of the sheet-like member 200 is dropped into a groove section 234 formed between an outer flange 232 and an inner flange 233.

[0041] In this case, since the outer surface side flange 232 is formed with a smaller diameter than the inner surface side flange 233, it is easy to drop the edge surrounding the mounting hole of the sheet-like member 200 into the groove portion 234 from the outer surface side flange 232 side.

[0042] In addition, in order to make it easier to attach the blower device 100 to the mounting hole of the sheet-like member 200 as described above and to make it difficult for the blower device 100 to come off, it is desirable to sew a ring-shaped elastic member such as rubber around the mounting hole of the sheet-like member 200 so that the periphery of the mounting hole is elastic.

[0043] {Effect description} According to this embodiment, outside air introduced into the blower 100 from the intake section 22 of the case body 2 is exhausted by the internal fan body 1 from the exhaust section 24 formed in a direction approximately perpendicular to the rotation shaft of the motor 11. For this reason, the air flow formed by the fan body 1 flows in a direction parallel to the body without any particular change in direction, eliminating the need to change the direction of the air flow by 90 degrees as in conventional blowers. Therefore, loss caused when changing the direction of the air flow is eliminated, and the cooling efficiency can be improved.

[0044] Furthermore, in the case of a structure in which a ring-shaped locking member is inserted and fixed from the inner surface side of a sheet-shaped member to the cylindrical portion of the fan body, as in conventional blower devices, the cylindrical portion and the locking member are located to the side of the blades of the fan body, which hinders the exhaust of air from the blower device in a direction approximately perpendicular to the motor's rotation shaft. In contrast, according to this embodiment, the blower device 100 is attached to the sheet-like member 200 by the groove portion 234 between the outer flange 232 and the inner flange 233, so that most of the surface on the side of the case body 2, except for the mounting portion 23, can be made into the exhaust portion 24, and the exhaust of air from the blower device 100 is not hindered.

[0045] Furthermore, when it is necessary to change the direction of the air flow by 90 degrees as in conventional blowers, it is necessary to provide a space inside or outside the blower to change the air flow from a direction approximately perpendicular to the sheet-shaped member formed by the fan body to a direction approximately parallel to the sheet-shaped member, making it difficult to make the area around the blower of an air-conditioned garment or the like thin. In contrast, according to the air blower 100 of this embodiment, the fan body 1 creates an air flow in a direction approximately parallel to the sheet-like member 200, eliminating the need to provide the space described above, and making it possible to form a thin space near the air blower in air-conditioned clothing, etc.

[0046] Furthermore, when it is necessary to change the direction of the air flow by 90 degrees as in conventional blowers, noise is likely to be generated in the process. However, according to this embodiment, there is no need to change the direction of the air flow formed by the fan body 1, and therefore noise reduction can also be improved.

[0047] {Variation} As shown in FIG. 5, the attachment portion 23A may be formed by a ring-shaped member 231A having a groove carved into its outer periphery to form a groove portion 234A, without including the outer surface flange 232 and the inner surface flange 233.

[0048] 6, the mounting portion 23 may be formed so that the vertical width of the groove portion 234 is greater than the thickness of the sheet-like member 200, and then an elastic ring 3, which is an annular member made of an elastic material and has an inner diameter substantially the same as the outer diameter of the ring-like member 231, may be attached to the groove portion 234 in addition to the sheet-like member 200, so that the edge portion around the mounting hole of the sheet-like member 200 is pressed against the upper or lower wall portion of the groove portion 234, i.e., the lower surface of the outer flange 232 or the upper surface of the inner flange 233. Note that FIG. 6 illustrates a case in which the elastic ring 3 is attached above the sheet-like member 200 and the sheet-like member 200 is pressed against the upper surface of the inner flange 233. This makes it more difficult for the blower device 100 to come off from the mounting hole of the sheet-like member 200.

[0049] The elastic ring 3 may be formed in an elliptical shape. When the elastic ring 3 is formed in an elliptical shape, the elastic ring 3 is formed so that it has an inner circumference larger than the outer circumference of the ring-shaped member 231, and the minor axis of the inner circumference is smaller than the diameter of the outer circumference of the ring-shaped member 231. This allows the minor axis side of the elastic ring 3 to come into strong contact with the ring-shaped member 231, making it more difficult for the blower device 100 to come off. When attaching the elliptical elastic ring 3, the long diameter side is pinched with the fingers to form a perfect circle with a diameter larger than that of the ring-shaped member 231, and then the ring-shaped member 231 is attached.

[0050] [Second embodiment] A blower device 100B according to the second embodiment will be described with reference to Figures 7 and 8. Note that a description of the same parts as those in the first embodiment will be omitted.

[0051] 7(a), in the case body 2B according to the second embodiment, the attachment portion 23B is not provided with an outer surface side flange 232, and instead, a male screw portion 235 is provided on the outer surface side of the ring-shaped member 231. In this case, the inner surface side flange 233 does not necessarily have to be formed at the lower end portion of the ring-shaped member 231, and can be formed at any position on the ring-shaped member 231 as long as a space for providing the male screw portion 235 can be secured.

[0052] Moreover, as shown in FIG. 7(b), the blower device 100B according to the second embodiment is provided with an attachment ring 4 which is an annular member whose vertical width is approximately the same as the vertical width of the portion above the inner flange 233 of the ring-shaped member 231 and whose inner diameter is approximately the same as the outer shape of the ring-shaped member 231. The inner surface of the attachment ring 4 is provided with a female thread portion (not shown) that screws into the male thread portion 235 .

[0053] 8, the case body 2 is inserted into the mounting hole of the sheet-like member 200 from the inner side of the sheet-like member 200, the upper surface of the inner surface flange 233 is brought into contact with the peripheral edge of the mounting hole of the sheet-like member 200, and the mounting ring 4 is inserted into the ring-shaped member 231 of the mounting portion 23 from the outer surface side of the sheet-like member 200, and the male threaded portion 235 is screwed into the female threaded portion of the mounting ring 4. As a result, the mounting ring 4 is fixed to the case body 2 with the peripheral edge of the mounting hole of the sheet-like member 200 sandwiched between the lower end of the mounting ring 4 and the upper surface side of the inner surface flange 233, and the blower 100B can be attached to the sheet-like member 200.

[0054] Conversely, the ring-shaped member 231 may be provided with a female thread portion, and the attachment ring 4 may be provided with a male thread portion.

[0055] In addition, the method of fixing the ring-shaped member 231 and the mounting ring 4 is not limited to using screws, and any configuration can be used as long as it is possible to fix the two.

[0056] For example, a configuration in which a protrusion provided on the inner surface side of the attachment ring 4 and a recess provided on the outer surface side of the ring-shaped member 231 engage with each other may be used.

[0057] In this case, the mounting ring 4 may be formed in a perfect circle, or may be formed in an ellipse with a protrusion formed on the inner surface on the minor axis side. In this case, the mounting ring 4 is formed to have an inner circumference larger than the outer circumference of the ring-shaped member 231, and the minor axis of the inner circumference is smaller than the diameter of the outer circumference of the ring-shaped member 231. This allows the protrusion provided on the minor axis side of the mounting ring 4 to tightly engage with the recess of the ring-shaped member 231, making it difficult for the blower device 100 to come off. When attaching the elliptical mounting ring 4, the long diameter side is pinched with the fingers to form a perfect circle with a diameter larger than that of the ring-shaped member 231, and then the ring-shaped member 231 is attached.

[0058] This embodiment can also provide the same effects as the first embodiment.

[0059] [Third embodiment] A blower device 100C according to the third embodiment will be described with reference to Fig. 9. Note that a description of the same parts as those in the first embodiment will be omitted.

[0060] In the case body 2C according to the third embodiment, the attachment portion 23C is not provided with the inner flange 233, and instead, a hook-and-loop fastener 236 is provided on the lower surface side of the outer flange 232, as shown in Fig. 9. In this case, the outer flange 232 does not necessarily have to be formed on the upper end portion of the ring-shaped member 231, and can be formed at any position on the ring-shaped member 231.

[0061] Furthermore, when using this embodiment, hook-and-loop fasteners are also provided around the mounting holes on the outer surface side of the sheet-like member 200, and the blower device 100C is attached to the sheet-like member 200 by inserting the blower device 100C into the mounting holes of the sheet-like member 200 from the outer surface side and then connecting these hook-and-loop fasteners.

[0062] This embodiment can also provide the same effects as the first embodiment.

[0063] [Variations] In any of the embodiments, the main body of the fan housed in the blower device is not limited to a turbofan, and other configurations can be adopted as long as it is a centrifugal blower that can exhaust air in a direction approximately perpendicular to the rotation axis.

[0064] In any of the embodiments, the intake section 22 may include, in addition to the central base section 221, the rod-shaped sections 222, and the ring-shaped sections 223, a mesh-like member with a large opening ratio that covers the openings between these sections. This makes it possible to increase the opening ratio since fingers cannot be inserted even if the gaps between the central base 221, the rod-shaped portions 222, and the ring-shaped portions 223 are made large. Similarly, for the exhaust section 24, in addition to the columnar members 241, a mesh member with a large opening ratio that covers the openings between the columnar members 241 may be used in combination.

[0065] In any embodiment, the blades of the fan body can have any shape as long as they can blow air in a direction approximately perpendicular to the rotation shaft of motor 11 as rotating part 111 of motor 11 rotates. For example, a fan body 1A shown in FIG. 10 having blades 12A with an upper side inclined toward the outer periphery may be used. Regardless of the shape of the blade, in order not to interfere with the air blown by the fan body, it is desirable that the mounting portion 23 be provided above the blade and not on the part of the side of the case body 2 that faces the outer periphery of the blade. [Explanation of symbols]

[0066] 100, 100A, 100B, 100C air blower 1. 1A fan body 11 Motor (outer rotor type motor) 12, 12A blade 2, 2A, 2B, 2C Case body 22 Intake section 23, 23A, 23B, 23C Mounting part 232 Outer flange (second flange, flange) 233 Inner flange (first flange, flange) 234, 234A Groove 235 Male thread part (fixing means) 236 Hook and Loop Fastener 24 Exhaust section 3 Elastic ring 4 Mounting Ring 200 Sheet-like member

Claims

1. A blower device attached to a sheet-like member, a fan body; a case body that houses the fan body; and a mounting member that is separate from the case body and that is used to mount the case body to a mounting hole in the sheet-like member, The case body is an intake section for taking in air into the blower; an exhaust section for discharging air from the blower; an attachment portion provided near an end of a surface of the fan body in a direction substantially perpendicular to a rotation axis thereof, the attachment portion being used to attach the case body to the attachment hole of the sheet-like member; having When the case body is attached to the attachment hole of the sheet-like member, the case body is disposed so as to be located on one surface side of the sheet-like member, the mounting member is disposed so as to be located on the other surface side opposite to the one surface side of the sheet-like member, The mounting portion of the case body is a flange disposed on the one surface side of the sheet-like member and extending toward an outer surface side of the mounting portion; a ring-shaped member that passes through the mounting hole of the sheet-shaped member and protrudes toward the other surface of the sheet-shaped member, This blower device is characterized in that the case body is configured to be attached to the sheet-like member by screwing a male thread formed on the ring-shaped member into a female thread formed on the mounting member, thereby sandwiching the sheet-like member between the mounting member and the flange.

2. 2. The blower device according to claim 1, wherein the fan body is a turbofan having an outer rotor type motor and blades provided on a side surface of the outer rotor type motor.

3. The blower device according to claim 1 or 2, characterized in that the mounting portion is formed on a surface of the case body that is approximately perpendicular to the rotation axis of the fan body, avoiding a portion that faces an outer periphery of the blades of the fan body.

4. 4. The blower device according to claim 1, wherein the intake section and / or the exhaust section is provided with a mesh member that covers an opening portion.

5. The intake portion is provided on a surface of the fan body on a rotation axis direction side, 5. The blower device according to claim 1, wherein the exhaust portion is provided on a surface of the fan body that is substantially perpendicular to a rotation axis of the fan body.

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