JPH0252038U

JPH0252038U -

Info

Publication number: JPH0252038U
Application number: JP13214788U
Authority: JP
Priority date: 1988-10-07
Filing date: 1988-10-07
Publication date: 1990-04-13

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の熱交換形換気扇等
のフイルタ保持装置の側断面図、第２図はフイル
タを筺体内部に挿入する状態を示す側断面図、第
３図はフイルタ蓋を取りつける状態を示す側断面
図、第４図はフイルタ蓋を底板に重ねた状態を示
す側断面図、第５図は従来のフイルタ保持装置の
分解斜視図、第６図は従来のフイルタ保持装置の
側断面図である。１……底板、２……係止用の切り欠き部、３…
…ひつかけ部、４……溝、５……フイルタ保持部
、６……フイルタ蓋、８……フイルタ、１０……
丸突起部、１２……穴。 Fig. 1 is a side cross-sectional view of a filter holding device such as a heat exchange type ventilation fan according to an embodiment of the present invention, Fig. 2 is a side cross-sectional view showing a state in which the filter is inserted into the housing, and Fig. 3 is a side cross-sectional view showing the state in which the filter is inserted into the housing. Fig. 4 is a side sectional view showing the filter lid stacked on the bottom plate, Fig. 5 is an exploded perspective view of the conventional filter holding device, and Fig. 6 is the conventional filter holding device. FIG. 1... Bottom plate, 2... Notch for locking, 3...
...Holding part, 4...Groove, 5...Filter holding part, 6...Filter lid, 8...Filter, 10...
Round protrusion, 12... hole.

Claims

[Scope of utility model registration request]

a casing; a filter that is housed in the casing and has a lower end facing a hole in a bottom plate of the casing; and a filter lid that is stacked on the bottom surface of the bottom plate and has a hook portion at one end that engages with a notch in the bottom plate. A heat exchange type ventilation fan comprising bolts for fixing the filter to a bottom plate, a round protrusion having a circular cross section formed at the lower end of the filter, and a filter holding groove provided in the filter lid to engage with the round protrusion of the filter. Filter holding devices such as.