JP3627127B2 - Ventilation device and manufacturing method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ventilator and a method for manufacturing the ventilator, and more particularly to an improvement in a structure and method for fixing a filter to a guard member on the surface of the ventilator.
[0002]
5 and 6 are diagrams for explaining a conventional ventilation device. FIG. 5 is an exploded perspective view of the ventilation device, and FIG. 6 is a front view (a) and a side sectional view (b) of the guard member. 5 and 6, a conventional ventilation device 10 includes a main body 20 including an air supply type fan 15 for sucking air, and a bowl-shaped filter 30 made of a dust-proof nonwoven fabric attached to the front surface of the main body 20. The filter 30 is fixed to the inner surface and includes a box-shaped guard member 40 made of punched metal having a large number of vent holes 40a on the entire front surface. And the filter 30 is being fixed to the four side parts, the edge part, and one center part of the guard member 40 via the magic tape 41,43,45.
[0003]
The assembly of the ventilator 10 configured as described above will be described with reference to FIGS.
In order to fix the filter 30 and the guard member 40, first, dirt and oil on the inner surface of the guard member 40 are removed, and four velcro tapes 41 are adhered and fixed to the side surfaces, and two velcro tapes 43 are respectively attached to the upper and lower ends. Affix and fix, and fix the magic tape 45 to the center, and then press the filter 30 against the magic tapes 41, 43, and 45 to fix them. Next, the guard member 40 is engaged and fixed to the front surface of the main body 20 to complete the assembly of the ventilation device.
[0004]
[Problems to be solved by the invention]
However, the conventional ventilation device 10 is complicated because the inner surfaces of the guard member 40 must be carefully cleaned in order to attach the magic tapes 41, 43, and 45 to the guard member 40. In addition, since the filter 30 has to be pressed and fixed to the magic tapes 41, 43, 45, the working time becomes long. Furthermore, when the size of the ventilation device 10 is increased, the number of the magic tapes 41, 43, and 45 is increased, and it is difficult to reliably fix them. In addition, there is a problem that the filter 30 is easily peeled off from the magic tapes 41, 43, and 45 during transportation.
[0005]
Further, since the guard member 40 is made of punched metal and has a large number of holes, it has a problem that it is slightly weak in strength.
[0006]
The present invention has been made to solve the above problems, and an object of the present invention is to provide a ventilation device in which a filter is reliably and easily fixed to a guard member and has sufficient strength, and a method for manufacturing the ventilation device. It is.
[0007]
[Means for Solving the Problems]
A ventilator according to a first aspect of the present invention includes a main body housing having a fan and a front vent hole, a guard member having a plurality of vent holes and covering the front vent opening of the main body casing, and the guard. In a ventilation device comprising a filter fixed to the inner surface of the member, a plurality of linear recesses are formed on the inner surface of the guard member, and the vicinity of both ends of the plurality of linear members is fixed to the inner surface edge of the guard member, respectively. The filter is pressed and fixed to the linear recesses of the guard member by the plurality of linear members.
[0008]
The ventilator according to the invention of claim 2 is characterized in that a linear convex portion corresponding to the linear concave portion on the inner surface of the guard member is formed on the surface of the guard member.
[0009]
The ventilator according to a third aspect of the invention is characterized in that the guard member is formed in an open box-like body that covers the front surface of the main body casing.
[0010]
A ventilator according to a fourth aspect of the present invention is characterized in that a plurality of linear recesses on the inner surface of the guard member are arranged substantially in parallel on the front inner surface of the box-shaped guard member.
[0011]
Moreover, the ventilator which concerns on invention of Claim 5 formed the said some linear member in the shape in alignment with the inner surface of the said box-shaped guard member, It is characterized by the above-mentioned.
[0012]
The ventilator according to the invention of claim 6 is provided with a plurality of locking members that respectively lock the vicinity of the end portions of the plurality of linear members on the inner surface of the side portion of the box-shaped guard member. It is what.
[0013]
The ventilator according to the invention of claim 7 is characterized in that as the locking member, a side piece of the box-shaped guard member is cut out in a U-shape to form a protruding piece. .
[0014]
The ventilator according to the invention of claim 8 is characterized in that a projection is further formed on the box-shaped guard member on both sides of the protruding piece portion as the locking member.
[0015]
Further, the ventilator according to the invention of claim 9 is provided with U-shaped bent portions in the vicinity of both end portions of the plurality of linear members, the bent portions are engaged with the protruding piece portions, and the protrusions are A linear member is brought into contact with and fixed.
[0016]
Next, the manufacturing method of the ventilator according to the invention of claim 10 includes a main body housing having a fan and having a ventilation hole in the front surface, and a plurality of ventilation holes and covering the ventilation hole on the front surface of the main body housing. In the manufacturing method of the ventilation apparatus provided with the guard member and the filter fixed to the inner surface of the guard member, the step of forming a plurality of linear recesses on the inner surface of the guard member, and the vicinity of both ends of the plurality of linear members Are respectively engaged with the inner surface of the guard member, and the filter is pressed and fixed to the linear recesses of the guard member by the plurality of linear members.
[0017]
The method for manufacturing a ventilator according to the invention of claim 11 is characterized in that, simultaneously with the step of forming a plurality of linear concave portions on the inner surface of the guard member, the linear convex portions are formed on the surface of the guard member. It is what.
[0018]
According to a ventilator manufacturing method of the invention of claim 12, the guard member is formed as an open box-like body, and the guard member is cut out in a U-shape on both sides thereof to form a plurality of projecting piece portions. A step of forming a protrusion on a guard member near both sides of the notch, a step of providing a U-shaped bent portion in the vicinity of both ends of the linear member, and the linear shape on the protruding piece portion. And a step of engaging the bent portion of the member and fixing the linear member in contact with the protrusion.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. In the drawings, the same reference numerals denote the same or corresponding parts.
Embodiment 1 FIG.
1-4 is a figure for demonstrating Embodiment 1 of this invention, FIG. 1 is a disassembled perspective view of a ventilator, FIG. 2 is the front view (a) and side cross section of the guard member of FIG. FIGS. 3 (b) and 3 are front views of the linear member of FIG. 1, and FIG. 4 is a partial perspective view showing a fixed state of the linear member and the guard member.
[0020]
As shown in FIG. 1, a ventilator 100 according to this embodiment includes a main body 20 having a built-in air supply type fan 15 for sucking wind, and a saddle-like non-woven fabric attached to the front surface of the main body 20. A filter 30, a box-shaped guard member 110 made of punched metal having a large number of ventilation holes 110 a on the entire front surface, and four recesses 110 b provided horizontally on the guard member 110 are fixed to the inner surface. It consists of a wire 120 as a linear member to be engaged and fixed.
[0021]
Next, as shown in FIG. 2, the guard member 110 is formed of a box-shaped member having one end opened, and four linear concave portions 110b in parallel with each other are formed on the inner surface thereof, on the corresponding surface side. The linear convex part 110c is formed. Further, on both side surfaces, four U-shaped notches 110d are formed on substantially the extension line of the linear recess 110b, and projecting piece portions 110e are provided, and two protrusions are provided near both sides of the notch 110d. 115 is fixed upright.
[0022]
Next, as shown in FIG. 3, the wire 120 as the linear member is bent into a substantially bowl shape so as to substantially match the shape of the inner surface of the guard member 110, and has a substantially U-shape near the center of each side surface portion. The bending portion 120d is provided, and the distal end portion 120e is bent in a hook shape.
As shown in FIG. 4, the shape of the bent portion 120d of the wire 120 is formed so that the wire 120 can be engaged with the notches 110d on both side surfaces of the guard member 110 and locked to the protruding piece 110e. .
[0023]
The assembly of the ventilator 100 configured as described above will be described with reference to FIGS.
First, the filter 30 is fixed to the guard member 110. For this fixing, first, the filter 30 is applied to the inner surface of the guard member 110 so that the flat portions of the four wires 110 are pressed toward the concave portions 110b of the guard member 110. As shown in FIG. The bent portion 120d is inserted into the U-shaped notch 110d of the guard member 110 and engaged with the protruding piece portion 110e, and the wire 120 is abutted and fixed to the two protrusions 115 on both sides thereof. Finally, the guard member 40 is engaged and fixed on the front surface of the main body 20 to complete the assembly of the ventilation device 100.
[0024]
The guard member 110 is provided with a linear convex portion 110c on the back side of the linear concave portion 110b on the inner surface, that is, on the front surface side of the guard member 110. The convex part 110c is not necessarily required.
Further, the end of the wire 120 may be fixed by other fixing means such as welding.
Moreover, although the ventilation apparatus 100 was demonstrated with the air supply type fan 15 which sucks | inhales a wind, of course, the exhaust type which exhales a wind may be sufficient.
[0025]
As described above, according to this embodiment, the filter can be reliably and easily fixed by engaging the linear member with the concave portion of the guard member via the filter.
[0026]
【The invention's effect】
Since the present invention is configured as described above, the following effects can be obtained.
According to the invention of claim 1, a plurality of linear recesses are formed on the inner surface of the guard member of the ventilator, and the plurality of linear members are pressed toward the linear recesses, and the filter is fixed therebetween. As a result, the filter can be fixed easily and easily, and the filter is not easily detached from the guard member even during transportation of the ventilation device.
[0027]
According to the ventilation device of the second aspect, since the linear convex portion is provided on the surface corresponding to the linear concave portion of the guard member, there is an effect that the strength of the guard member can be increased.
[0028]
According to invention of Claim 3, since the guard member was formed in the opening box-shaped body, there exists an effect that the intensity | strength of a guard member can be increased.
[0029]
According to the invention of claim 4, since the plurality of linear recesses are formed on the inner surface of the guard member so as to be arranged substantially in parallel, the filter can be securely fixed, and the strength of the guard member can be increased. is there.
[0030]
According to the invention of claim 5, since the plurality of linear members are formed in a shape along the inner surface of the box-shaped guard member, there is an effect that the filter can be fixed reliably and easily.
[0031]
According to the invention of claim 6, since the locking member is provided on the inner surface of the side portion of the box-shaped guard member so as to lock the vicinity of the end portions of the plurality of linear members, There is an effect that it can be fixed easily.
[0032]
According to the seventh aspect of the present invention, since the protruding member is formed by cutting the box-shaped guard member into a U-shape as the locking member for the inner surface of the side portion of the box-shaped guard member, There is an effect that it can be fixed easily.
[0033]
According to the eighth aspect of the present invention, since the protrusions are further formed on both sides of the notch and the projecting piece portion as the locking member for the inner surface of the side portion of the box-shaped guard member, the linear member can be easily fixed. There is an effect that can be done.
[0034]
According to the ninth aspect of the present invention, a U-shaped bent portion is formed in the vicinity of both ends of the plurality of linear members, the bent portions are engaged with the projecting piece portions of the box-shaped guard member, and the wire Since the linear member is brought into contact with and fixed to the protrusion of the box-shaped guard member, there is an effect that the linear member can be reliably and easily fixed to the guard member.
[0035]
According to the invention of claim 10, the linear member is provided on at least the entire front surface of the guard member inner surface, and the linear member is engaged and fixed to the linear recess from above the filter. The ventilation device can be easily manufactured.
[0036]
According to the eleventh aspect of the present invention, since the guard member is provided with the convex portion corresponding to the concave portion, there is an effect that the strength of the guard member is increased and the ventilation device can be easily manufactured.
[0037]
According to the invention of claim 12, the guard member is further provided with a projecting piece portion having at least two U-shaped cutouts on the side portion, and the protrusions are provided near both sides of the cutout, A U-shaped bent portion is provided on the side surface portion of the linear member so that the bent portion of the linear member is engaged and fixed to the projecting portion of the notch and the linear member is brought into contact with the protrusion of the guard member. Since it was made, it has the effect that the edge part of a linear member is fixed to a guard member reliably, and a ventilation apparatus can be manufactured simply.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a ventilation device according to Embodiment 1 of the present invention.
FIGS. 2A and 2B are a front view and a cross-sectional view of a guard member of a ventilation device according to Embodiment 1 of the present invention. FIGS.
FIG. 3 is a front view of a linear member of the ventilation device according to Embodiment 1 of the present invention.
FIG. 4 is a partial perspective view showing a fixed state of the linear member and the guard member of the ventilation device according to Embodiment 1 of the present invention.
FIG. 5 is an exploded perspective view of a conventional ventilation device.
FIG. 6 is a front view and a sectional view of a guard member of a conventional ventilation device.
[Explanation of symbols]
15 fan, 20 body, 30 filter, 110 guard member, 110a ventilation hole, 110b linear recess, 110c linear projection, 110d notch, 110e projecting piece, 115 protrusion, 120 linear member, 120d bent part.

Claims (12)

A main body housing having a fan and having a ventilation hole on the front surface, a guard member having a plurality of ventilation holes and covering the ventilation holes on the front surface of the main body housing, and a filter fixed to the inner surface of the guard member In the above ventilator, a plurality of linear recesses are formed on the inner surface of the guard member, and both ends of the plurality of linear members are fixed to the inner surface end of the guard member, respectively, and the filter is formed by the plurality of linear members. A ventilator characterized in that each is pressed and fixed in a linear recess of the guard member. The ventilation device according to claim 1, wherein a linear convex portion corresponding to the linear concave portion on the inner surface of the guard member is formed on the surface of the guard member. The ventilator according to claim 1 or 2, wherein the guard member is formed in an open box-like body that covers a front surface of the main body casing. The ventilator according to claim 3, wherein a plurality of linear recesses on the inner surface of the guard member are arranged in parallel on the front inner surface of the box-shaped guard member. The ventilator according to claim 3 or 4, wherein the plurality of linear members are formed in a shape along an inner surface of the box-shaped guard member. The plurality of locking members that respectively lock the vicinity of the end portions of the plurality of linear members are provided on the inner surface of the side portion of the box-shaped guard member. Ventilation device. The ventilator according to claim 6, wherein, as the locking member, a side piece of the box-shaped guard member is cut out in a U shape to form a protruding piece. The ventilation device according to claim 7, wherein a protrusion is further formed on the box-shaped guard member on both sides of the protruding piece portion as the locking member. A U-shaped bent portion is provided in the vicinity of both end portions of the plurality of linear members, the bent portion is engaged with the protruding piece portion, and the linear member is brought into contact with the protrusion and fixed. The ventilator according to claim 8. A main body housing having a fan and having a ventilation hole on the front surface, a guard member having a plurality of ventilation holes and covering the ventilation holes on the front surface of the main body housing, and a filter fixed to the inner surface of the guard member In the method for manufacturing a ventilation device, the step of forming a plurality of linear recesses on the inner surface of the guard member, and the vicinity of both ends of the plurality of linear members are respectively locked to the inner surface of the guard member, and the plurality of linear And a step of pressing and fixing the filter to the linear concave portion of the guard member by a member. The method for manufacturing a ventilator according to claim 10, wherein the linear convex portions are formed on the surface of the guard member simultaneously with the step of forming a plurality of linear concave portions on the inner surface of the guard member. The guard member is formed as an open box-like body, and the guard member is cut into a U-shape at both sides to form a plurality of projecting pieces, and the guard member near the both sides of the notch protrudes from the guard member. A step of providing a U-shaped bent portion in the vicinity of both ends of the linear member, and engaging the bent portion of the linear member with the protruding piece portion and the linear shape with the protrusion. The method for manufacturing a ventilator according to claim 10 or 11, further comprising a step of contacting and fixing the member.

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