JPH0526419Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a ventilation fan with a filter, which has a filter member on the front surface of which is detachably attached and has a filter element integrally stretched over a frame body.

[Prior Art] Conventional ventilation fans with filters of this type are disclosed in, for example, Japanese Utility Model Application No. 61-89730, Japanese Utility Model Application Publication No. 61-89731, and Japanese Utility Model Application No. 61-89731.
As disclosed in Japanese Patent Nos. 61-89732 and 61-89733, a filter member having a structure in which a filter element is integrally stretched on the back side of a frame with a grid,
The filter case is detachably attached to a filter case attached to the front of a front panel that forms a ventilation path on the front of the ventilation fan main body. The filter case is removably attached to the front panel by locking structures provided on the top and bottom of the filter case itself and the corresponding top and bottom of the front panel side,
The filter member is also removably attached to the filter case by a similar structure.

This type of ventilation fan with a filter uses a filter element to collect dirt that is sucked in with the ventilation flow, thereby preventing the ventilation path, fan, etc. of the ventilation fan from becoming dirty.

[Problems to be solved by the invention] In the above-mentioned conventional ventilation fan with a filter, the configuration of the filter is complex and has a large number of parts, and the filter member has a high degree of flexibility in the mounting state on the filter case, making it difficult to install the filter in the mounted state. Since it is often installed in high places, there was a problem that even if it was installed in a misaligned position, it could not be seen, so it was sometimes used as is.

This idea was made to solve these conventional problems.The structure of the filter is simple, the number of parts is small, the attachment of the filter member is ensured, and the filter members can be stacked on top of each other. To obtain a ventilation fan with a filter that can be easily handled on the side.

[Means for Solving the Problems] The ventilation fan with a filter according to this invention has a lintel structure and a lintel structure that protrude forward at the upper and lower edges of the front panel that forms a ventilation passage in the front of the ventilation fan body. and upper and lower holding members forming a frame body, and a filter member having a frame body and a filter element integrally stretched thereon is vertically held in the holding member so as to be removable from the front. to the body,
It spreads out toward the rear, and the rear edge fits into grooves formed vertically on both sides of the front panel.
A side wall whose lower end surface abuts the upper end surface of the lower side of the holding member is provided, and inside the lower end of this side wall, the rear end surface is in front of the front panel when installed, and the side surface is in contact with the upper end surface of the lower side of the holding member. A protrusion is provided on each inner surface of the side of the member.

[Function] In this invention, the filter member can be provided directly on the front surface of the front panel without using the filter case, and since the filter member has a protrusion that defines the position when it is installed, it is easy to see whether it is installed or not. Moreover, it increases the reliability of installation. Further, since the side wall is widened toward the end and the protrusion is located inside the side wall, no load is applied to the filter element even if the filter members are not stacked on top of each other, and the filter element is not damaged.

[Example] The drawings all show a ventilation fan with a filter as an example of the present invention. The ventilation fan main body 1 is constructed by assembling a motor, a fan 2, an opening/closing shutter, etc. onto a rectangular cylindrical frame. A front panel 3 forming a ventilation path facing the fan 2 is removably attached to the front of the ventilation fan main body 1. In the ventilation fan with a filter of this example, a configuration related to a filter is added to the front panel 3, and a filter member 6, which is formed by integrally extending a filter element 5 to a frame 4, is attached independently to the front surface of the front panel 3. It is unique in that it is structured in such a way that it can be used. That is, front panel 3
Upper and lower holding members 7, which project forward and form a lintel structure and a threshold structure, are hung on the upper and lower edges with a hooking structure, respectively. The upper holding member 7 has an eave shape and has a recess formed inside thereof for holding the upper side of the frame 4 of the filter member 6. The lower holding member 7 has a larger protrusion than the upper side, and has an open upper container that receives and holds the lower side of the frame 4 of the filter member 6 and also serves as an oil receiver to receive oil stains from the filter member 6. formed into a structure. The filter member 6 has a filter element 5 stretched integrally on the back side of a rectangular frame body 4, and thin-walled portions 8 on the top and bottom of the frame body 4 for attachment to the holding member 7, and thin-walled portions 8 on the left and right sides of the frame body 4. Side walls 9 are integrally formed on each side to prevent a gap from forming between the side and the front panel 3. The side wall 9 of the filter member is
The rear edge of the front panel 3 spreads out toward the rear and fits into the grooves 10 formed vertically on both sides of the front surface of the front panel 3, and each lower end surface of the groove 10 extends over the side of the lower side of the holding member 7. It is configured to abut against the end surface 11. Inside the lower end of this side wall 9,
When installed, the rear end surface 12 is in front of the front panel 3,
Also provided are protrusions 14 whose side surfaces 13 abut against the inner surfaces of the side portions of the holding member 7, respectively. Further, on the inside of the upper end of the side wall 9, a protrusion 15 is provided whose rear end surface comes into contact with the front surface of the front panel 3 when mounted. Note that the holding member 7 may be fixed to the front panel 3, and even if the protrusion 15 is not provided, it will not cause much of a problem.

Therefore, the filter-equipped ventilation fan of this example can be attached to the holding members 7 above and below the front panel 3 attached to the front of the ventilation fan body 1 in the same way as a door stand, and when the ventilation fan is operated, the air is sucked in. All of the air that enters will pass through the filter element 5. Filter element 5 removes oil droplets contained in the air that is taken in.
The oil is collected and adheres to the filter element 5 as oil stains. Fluid oil stains flow down the filter element 5 one after another and finally reach the filter element 6.
is received in a holding member 7 which also serves as an oil receiver.

The filter member 6 is attached to the front panel 3 by holding the upper part of the filter member 6 diagonally and inserting it into the upper holding member 7, and then inserting the lower part into the lower holding member 7. This can be done reliably as the projections 14 and 15 of the filter member 6 have a stopper function to prevent the filter member 6 from entering more than necessary or from shifting in the lateral direction. On the manufacturing side, these protrusions 14 and 15 serve as spacers that keep the filter elements 5 apart even when the filter members 6 are stacked as shown in FIG.
This has the advantage that the filter member 6 can be easily handled without causing any damage.

[Effects of the Invention] As is clear from the above description of the embodiments, according to the present invention, the filter member can be directly provided on the front surface of the front panel without using the filter case, and the structure is simple. Since the filter member has a protrusion that defines the position when installed, it can be clearly seen whether the filter member is installed or not, which increases the reliability of installation. Further, since the side wall is widened toward the end and the protruding portion is located inside the side wall, even if the filter members are stacked, the filter elements can be kept separated from each other, and the filter elements are not damaged.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a ventilation fan with a filter as an embodiment of the present invention, Fig. 2 is a sectional view thereof, Fig. 3 is a perspective view of the filter member, and Fig. 4 is a diagram showing the arrangement of the filter member and the front panel. FIG. 5 is an enlarged sectional view of only the main parts showing the relationship, and is an explanatory view showing how to handle the filter member. In the figure, 1 is the ventilation fan body, 2 is the fan, 3 is the front panel, 4 is the frame, 5 is the filter element, 6 is the filter member, 7 is the holding member, 9 is the side wall, 10 is the groove, 11 is the upper end surface, 12
13 is a side surface, and 14 and 15 are protrusions. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) Upper and lower retaining members that protrude forward and form a lintel structure and a sill structure at the upper and lower edges of the front panel that forms a ventilation passage in the front of the ventilation fan body. , and this holding member holds a filter member, in which a filter element is integrally stretched on a frame body, upright so that it can be engaged and disengaged from the front, and the frame body of the filter member is provided with a filter member that extends toward the rear side. A side wall is provided, the spreading rear edge of which fits into grooves formed vertically on both ends of the front surface of the front panel, and whose lower end surface abuts the upper end surface of the lower side of the holding member; A ventilating fan with a filter, characterized in that a protrusion is provided on at least the inside of the lower end of the fan, the rear end surface of which contacts the front surface of the front panel and the side surface of the fan that contacts the inner surface of the side of the holding member when mounted. (2) The ventilation fan with a filter according to claim 1, wherein the lower holding member has a container structure that also serves as an oil receiver for receiving oil stains from the filter member. (3) A ventilation fan with a filter according to claim 1 or 2, wherein the holding member is detachably attached to the front panel.