JPH0230409U - - Google Patents
Info
- Publication number
- JPH0230409U JPH0230409U JP10903488U JP10903488U JPH0230409U JP H0230409 U JPH0230409 U JP H0230409U JP 10903488 U JP10903488 U JP 10903488U JP 10903488 U JP10903488 U JP 10903488U JP H0230409 U JPH0230409 U JP H0230409U
- Authority
- JP
- Japan
- Prior art keywords
- support rod
- shielding plate
- ventilation system
- peripheral edge
- edge surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
Landscapes
- Building Environments (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Description
第１図、第２図、第３図は本考案の第１実施例
を示し、第１図は遮蔽板取付部の拡大断面図、第
２図は分解斜視図、第３図は換気装置の概略断面
図、第４図、第５図は第２実施例を示し、第４図
は逆止弁部分の断面図、第５図はその分解斜視図
、第６図は第３実施例を示し、逆止弁部分の断面
図である。
１は本体、２は通気口、２ａは一側周縁面、１
１は遮蔽板、１２は支持杆、１３は押え杆、１３
ｂは先端面、２０は凹部、３０は折曲片。
Figures 1, 2, and 3 show the first embodiment of the present invention, with Figure 1 being an enlarged cross-sectional view of the shield plate attachment part, Figure 2 being an exploded perspective view, and Figure 3 being a ventilation system. A schematic sectional view, FIGS. 4 and 5 show the second embodiment, FIG. 4 is a sectional view of the check valve portion, FIG. 5 is an exploded perspective view thereof, and FIG. 6 shows the third embodiment. , is a sectional view of a check valve portion. 1 is the main body, 2 is the vent, 2a is the peripheral surface on one side, 1
1 is a shielding plate, 12 is a support rod, 13 is a presser rod, 13
20 is a concave portion, and 30 is a bent piece.
Claims (1)
の一側周縁面２ａ上部に支持杆１２を設け、遮蔽
板１１の上部寄に前記支持杆１２に遊嵌する透孔
１４を形成すると共に、その透孔１４を支持杆１
２に遊嵌し、かつ支持杆１２に押え杆１３を、そ
の先端面１３ｂと一側周縁面２ａとの間に隙間ｔ
１が形成されるように嵌合して遮蔽板１１が支持
杆１２より外れないようにしたことを特徴とする
換気装置の逆止弁。 ２ 換気装置を構成する本体１における通気口２
の一側周縁面２ａ上部に支持杆１２を設け、遮蔽
板１１の上部寄に前記支持杆１２に遊嵌する透孔
１４を形成すると共に、その透孔１４を支持杆１
２に遊嵌し、かつ支持杆１２に押え杆１３を嵌合
して遮蔽板１１を一側周縁面２ａに押しつけ、さ
らに前記一側周縁面２ａに遮蔽板１１の上部１１
ａが臨む凹部２０を形成したことを特徴とする換
気装置の逆止弁。 ３ 換気装置を構成する本体１における通気口２
の一側周縁面２ａ上部に支持杆１２を設け、遮蔽
板１１の上部寄に前記支持杆１２に遊嵌する透孔
１４を形成すると共に、その透孔１４を支持杆１
２に遊嵌し、かつ支持杆１２に押え杆１３を、そ
の先端面１３ｂと一側周縁面２ａとの間に隙間ｔ
１が形成されるように嵌合して遮蔽板１１が支持
杆１２より外れないようにし、前記遮蔽板１１の
上部に、前記隙間ｔ１と略同一長さの折曲片３０
を形成したことを特徴とする換気装置の逆止弁。[Claims for Utility Model Registration] 1. Ventilation port 2 in main body 1 constituting a ventilation system
A support rod 12 is provided on the upper part of the peripheral edge surface 2a on one side, and a through hole 14 is formed near the top of the shielding plate 11 to loosely fit into the support rod 12.
2, and the presser rod 13 is loosely fitted to the support rod 12, with a gap t between its tip surface 13b and one side peripheral edge surface 2a.
A check valve for a ventilation system, characterized in that the shielding plate 11 is fitted so that the shielding plate 11 does not come off from the support rod 12. 2 Ventilation port 2 in main body 1 constituting ventilation system
A support rod 12 is provided on the upper part of the peripheral edge surface 2a on one side, and a through hole 14 is formed near the top of the shielding plate 11 to loosely fit into the support rod 12.
2, and the presser rod 13 is fitted to the support rod 12 to press the shielding plate 11 against the one side peripheral surface 2a, and further the upper part 11 of the shielding plate 11 is pressed against the one side peripheral surface 2a.
A check valve for a ventilation system, characterized in that a recessed portion 20 facing a is formed. 3 Ventilation port 2 in main body 1 constituting ventilation system
A support rod 12 is provided on the upper part of the peripheral edge surface 2a on one side, and a through hole 14 is formed near the top of the shielding plate 11 to loosely fit into the support rod 12.
2, and the presser rod 13 is loosely fitted to the support rod 12, with a gap t between its tip surface 13b and one side peripheral edge surface 2a.
1 to prevent the shielding plate 11 from coming off from the support rod 12, and a bent piece 30 having approximately the same length as the gap t1 is attached to the upper part of the shielding plate 11.
A check valve for a ventilation system characterized by forming a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109034U JPH071365Y2 (en) | 1988-08-22 | 1988-08-22 | Check valve in ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109034U JPH071365Y2 (en) | 1988-08-22 | 1988-08-22 | Check valve in ventilation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0230409U true JPH0230409U (en) | 1990-02-27 |
| JPH071365Y2 JPH071365Y2 (en) | 1995-01-18 |
Family
ID=31344918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988109034U Expired - Lifetime JPH071365Y2 (en) | 1988-08-22 | 1988-08-22 | Check valve in ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071365Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281139A (en) * | 1998-03-31 | 1999-10-15 | Matsushita Seiko Co Ltd | Shutter opening and closing unit for ventilator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246534A (en) * | 1985-04-24 | 1986-11-01 | Fukuvi Chem Ind Co Ltd | Under the floor ventilating device |
-
1988
- 1988-08-22 JP JP1988109034U patent/JPH071365Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246534A (en) * | 1985-04-24 | 1986-11-01 | Fukuvi Chem Ind Co Ltd | Under the floor ventilating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281139A (en) * | 1998-03-31 | 1999-10-15 | Matsushita Seiko Co Ltd | Shutter opening and closing unit for ventilator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071365Y2 (en) | 1995-01-18 |
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