JPS6112459U - Vacuum cleaner safety valve device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図〜第５図はこの考案の実施例を示すもので、第１
図は要部断面図、第２図は平面図、第３図は安全弁装置
の要部断面図、第４図は吸込弁６の斜視図、第５図はス
トッパー１４の斜視図、第６図〜第７図は従来例を示す
要部断面図である。 １・・・・・・本体ケース、２・・・・・・電動送風機
、３・・・・・・電動送風機２の吸込側の風路、４・・
・・・・安全弁装置、５・・・・・・シリンダー、６・
・・・・・吸込弁、７・・・・・・シリンダー５の吸込
口部、８・・・・・・シリンダー５の開口部、１０・・
・・・・吸込弁６の流入口部、１１・・・・・・吸込弁
６の流出口部、１２・・・・・・吸込弁６の支持部。Figures 1 to 5 show examples of this invention.
2 is a plan view, FIG. 3 is a sectional view of essential parts of the safety valve device, FIG. 4 is a perspective view of the suction valve 6, FIG. 5 is a perspective view of the stopper 14, and FIG. ~FIG. 7 is a sectional view of a main part showing a conventional example. 1... Body case, 2... Electric blower, 3... Air path on the suction side of electric blower 2, 4...
... Safety valve device, 5 ... Cylinder, 6.
... Suction valve, 7... Suction port of cylinder 5, 8... Opening of cylinder 5, 10...
...Inflow port of the suction valve 6, 11...Outflow port of the suction valve 6, 12...Support portion of the suction valve 6.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）電動送風機を内蔵する本体ケースを設け、この電
動送風機の吸込側の空気圧が一定の負圧に達した時、前
記電動送風機の吸込側の風路を外気に連通ずる安全弁装
置を備えた電気掃除機において、 前記安全弁装置はシリンダーと吸込弁とよりムリ、 このシリンダーの一端部には前記電動送風機の吸込側に
連通ずる開口部を設け、他端部には前記本体をースの外
部と連通ずる吸込口部を設け、 前記シリンダーの内部に摺動自在に配置され、 常時前記吸込口部を閉鎖する方向にバネ体で付勢された
前記吸込弁には、前記シリンダーの吸込口部からの外気
を内部に導入する流入口部と、末端部には前記外気を前
記シリンダーの開口部に排気する流出口部とを設け、外
側には前記シリンダーの内壁に当接して前記吸込弁を支
持する複数の支持部を設けるとともに、少なくとも前記
シリンダーの吸込口部側の支持部はシール作用を有する
円盤状に設けた ことを特徴とする電気掃除機。(1) A main body case containing an electric blower is provided, and a safety valve device is provided that connects the air passage on the suction side of the electric blower to the outside air when the air pressure on the suction side of the electric blower reaches a certain negative pressure. In an electric vacuum cleaner, the safety valve device has a cylinder and a suction valve, and one end of the cylinder is provided with an opening that communicates with the suction side of the electric blower, and the other end is provided with an opening that connects the main body to the outside of the ground. The suction valve is provided with a suction port communicating with the cylinder, and is slidably disposed inside the cylinder and is always biased by a spring body in a direction to close the suction port. an inlet port for introducing outside air into the cylinder; and an outlet port for exhausting the outside air to the opening of the cylinder at the end thereof; A vacuum cleaner characterized in that a plurality of supporting parts are provided, and at least the supporting part on the side of the suction port of the cylinder is provided in a disc shape having a sealing function. （２）実用新案登録請求の範囲第１項において、吸込弁
の先端部とシリンダーの先端部内壁とをそれぞれ互いに
対応するテーパー状に形成するとともに、前記シリンダ
ーめ先端部内壁と前記吸込弁の先端部とが着脱して安全
弁装置を開閉すること を特徴とする電気掃除機。(2) Utility model registration Claim 1, wherein the tip of the suction valve and the inner wall of the tip of the cylinder are formed into tapered shapes corresponding to each other, and the inner wall of the tip of the cylinder and the tip of the suction valve A vacuum cleaner characterized in that a safety valve device is opened and closed by attaching and detaching the parts.