JPS60212693A - Seal device of heat exchange type blower - Google Patents

Abstract

PURPOSE:To maintain high sealing performance of an impeller even if its surface causes a little deflection, by using an air-unpermeable seal member of almost ring-shape. CONSTITUTION:A blower provides an impeller 6 having a blower function and a heat exchange function. The blower provides a separator plate 8 separating a flow of air delivered from both surfaces of said impeller 6. The impeller 6 fixes to its peripheral part a seal member 9 of almost ring-shape. This seal member 9 is formed by air-unpermeable resin, rubber, etc. And a free end 9' of the seal member 9 is adapted to one side of the internal peripheral part of the separator plate 8. Or the free end may be adapted to the other side of the internal peripheral part of the separator plate 8 further may be provided in both sides as the seal members 9, 10.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は一般家庭用の衣類乾燥機、換気装置等に使用す
る熱交換型送風機のシール装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a sealing device for a heat exchange type blower used in general household clothes dryers, ventilation devices, and the like.

従来例の構成とその問題点 従来の熱交換型送風機とそのシール構造全第１図、第２
図に示し、第３図に熱交換型送風機インペラの外観斜視
図を示す。この種の熱又換型送風機のシール装置として
は１図に示すように２吸気Ｄｉ、２と排気口３，４を有
するケーシング６内に設けた波形状薄板からなるインペ
ラ６の外周部にフェルト７等の不織布を固定し、仕切板
８との間で摺動させる方式のものがあるが、この場合。Conventional configuration and its problems Conventional heat exchange type blower and its seal structure Figures 1 and 2
Fig. 3 shows a perspective view of the external appearance of the heat exchange type blower impeller. As shown in Fig. 1, a sealing device for this type of heat exchange type blower is a felt on the outer periphery of an impeller 6 made of a corrugated thin plate provided in a casing 6 having two intakes Di, 2 and exhaust ports 3, 4. There is a method in which a nonwoven fabric such as No. 7 is fixed and slid between it and the partition plate 8, but in this case.

フェルト自体が通気性を有するため気密性が悪く。Since the felt itself has breathability, airtightness is poor.

また熱交換による凝縮水を生じる場合、フェルトが水全
含み摺動抵抗が増加する。さらにはフェルトの特性上、
摺動摩擦時の繊維飛散を防げないという欠点を有してい
た。これらの問題点全解決するシール方法としては従来
公知となっているメカニカルシール、ラビリンスシール
等の方法があるが、前者の場合１回転体側に強力な駆動
力が必要となり、又、後者の場合にはラビリンスを形成
する間隙の幅が回転体の外径の”／１０００程度でなけ
れば効果がなく、極めて高い寸法精度が必要とされる等
、別の問題点を有するものであった。Further, when condensed water is generated due to heat exchange, the felt contains all the water and the sliding resistance increases. Furthermore, due to the characteristics of felt,
It had the disadvantage that it could not prevent fibers from scattering during sliding friction. Conventionally known sealing methods that solve all of these problems include mechanical seals and labyrinth seals, but the former requires a strong driving force on the rotating body, and the latter requires This technique has other problems, such as being ineffective unless the width of the gap forming the labyrinth is about 1/1000 of the outer diameter of the rotating body, and extremely high dimensional accuracy is required.

発明の目的 本発明は前記従来の問題を解決するもので、摺動抵抗が
小σく、インペラの多少の面振れが存在しても、高いシ
ール性能を維持することができ。OBJECTS OF THE INVENTION The present invention solves the above-mentioned conventional problems, and has a low sliding resistance, and can maintain high sealing performance even if there is some surface runout of the impeller.

しかも組み立て容易で安価な熱又換型送風機のシール装
置全提供するものである。Moreover, the present invention provides a complete sealing device for a reheating blower that is easy to assemble and inexpensive.

発明の構成 前記目的全達成するために本発明の熱交換型送風機のシ
ール装置は、インペラの外周部、またはこれに対向する
仕切板の内周部のいずれか一方に、前記インペラと前記
仕切板との間の間隙を閉塞するように非通気性の材料よ
りなり略リング状で２かつ弾性を有するシール部材を配
設固定し、この略リング状のシール部材の他方の遊端全
前記仕切板内周、捷たは前記インペラの外周部のいずれ
か一方に摺動自在となるよう構成することにより。Structure of the Invention In order to achieve all of the above-mentioned objects, the sealing device for a heat exchange type blower according to the present invention includes a sealing device for a heat exchange type blower, which includes a sealing device for a heat exchange type blower that includes a sealing device for a heat exchange type blower that includes a sealing device for a heat exchange type blower that includes a sealing device for a heat exchange type blower that includes a sealing device for a heat exchange type blower that includes a sealing device for a heat exchange type air blower that includes a sealing device for a heat exchange type blower that includes the impeller and the partitioning plate on either the outer circumference of the impeller or the inner circumference of the partitioning plate that opposes the impeller. Two substantially ring-shaped elastic sealing members made of a non-breathable material are arranged and fixed to close the gap between the partition plate and the other free end of the substantially ring-shaped sealing member. By configuring the impeller to be slidable on either the inner periphery, the deflection, or the outer periphery of the impeller.

インペラの面振れや組み立ての精度を比較的必要とせず
、摺動抵抗が小さく実用性の高い熱ダ換型送風機のシー
ル装置を提供することができる。It is possible to provide a sealing device for a heat exchange type blower that does not require relatively high impeller surface runout or assembly precision, has low sliding resistance, and is highly practical.

実施例の説明 以下本発明の一実施例について図面を参照しながら説明
する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

第４図は本発明の一実施例における熱交換型送風機のシ
ール装置を示す要部側断面図で５第１図〜第３図と同一
部分は同一符号を付して説明を省略している。FIG. 4 is a sectional side view of a main part showing a sealing device of a heat exchange type blower according to an embodiment of the present invention.5 The same parts as in FIGS. 1 to 3 are given the same reference numerals and explanations are omitted. .

インペラ６の外周部には非通気性の材料よりなり略リン
グ状で、かつ弾１’に有するシール部材９゛もしくは１
０を配設固定し、この略リング状のシール部材９の他方
の遊端９′、１０′を仕切板８との間で摺動させている
。この場合のシール部材９゜１０は二枚のうちいずれか
一方だけであってもよい。The outer periphery of the impeller 6 is made of a non-breathable material and has a substantially ring shape, and is provided with a sealing member 9' or 1 on the bullet 1'.
0 is arranged and fixed, and the other free ends 9' and 10' of this substantially ring-shaped seal member 9 are slid between them and the partition plate 8. In this case, only one of the two sealing members 9 and 10 may be used.

また第６図は、本発明の他の実施例を示すシール装置の
要部断面図で、シール部材９は、略リン５ベーノ グ状からなり、インペラ６の外周部に固定され。Further, FIG. 6 is a sectional view of a main part of a sealing device showing another embodiment of the present invention, in which a sealing member 9 has a substantially ring-shaped beanog shape and is fixed to an outer peripheral portion of an impeller 6. As shown in FIG.

その遊端９増仕切板８との間で摺動させ、シール部材１
０は逆に仕切板８の内周部近傍に固定し。The sealing member 1 is slid between the free end 9 and the additional partition plate 8.
0 is fixed near the inner circumference of the partition plate 8.

その遊端１０’ｉインペラ６の外周部との間で摺動させ
ている。The free end 10'i is slid between it and the outer circumference of the impeller 6.

シール部材９，１ｏはいずれも、略リング状で、かつ弾
性を有し非通気性の樹脂、またはゴム等からなる。なお
２摺動部のみにテフロン等をコーティングして摺動抵抗
を下げたものを用いてもよい。The sealing members 9 and 1o are both substantially ring-shaped and made of elastic, non-breathable resin, rubber, or the like. Note that it is also possible to use a material in which only the two sliding parts are coated with Teflon or the like to lower the sliding resistance.

以上のように構成された熱又換型送風機について以下そ
の動作について説明する。まず、電源が投入されると、
インペラ６がモータ等（図示せず）により駆動され、イ
ンペラ６が回転することによって両面から空気の流れが
第１図矢印のように発生し、その間に熱交換を行い、仕
切板８により分離された通路に排気される。この時、シ
ール部材９．１０によりインペラ６と仕切板８との間隙
を閉塞しているため、インペラ１の両面の異種の空気が
混流することはない。The operation of the heat exchange type blower configured as above will be explained below. First, when the power is turned on,
The impeller 6 is driven by a motor or the like (not shown), and as the impeller 6 rotates, air flows from both sides as shown by the arrows in Figure 1, during which air flows are exchanged and separated by the partition plate 8. Exhaust into the passageway. At this time, since the seal member 9.10 closes the gap between the impeller 6 and the partition plate 8, different types of air on both sides of the impeller 1 do not mix.

しかも、本実施例では非通気性の樹脂またはゴムを用い
ているため、気密性が艮く、しかも接触抵抗も低く抑え
ることができる。Moreover, in this embodiment, since non-air permeable resin or rubber is used, airtightness is excellent, and contact resistance can be kept low.

発明の効果 以上のように本発明は、インペラの外周部と仕切板の内
周部のいずれか一方に２気密性ヲ有する略リング状で弾
（Ｉｆ有する非通気性のソール部材を固定し、他方の遊
端を仕切板の内周部又はインペラの外周部と摺動させる
ことによって、小さな摺動抵抗でもって高いシール効果
を達成でき、インペラの面振れや軸方向の面ずれ、半径
方向の偏心、或は組み立て′ｎ１度を比較的低い精度に
抑えることが可能となる。捷た。シール部材全二枚用い
ると、シール効果がより高まり、さらに、二枚のシール
を用い１片側のシール部材は、インペラの外周部に固定
し、もう片側のシール部材は仕切板内周部近傍に固定す
ることによってシール効果をより高めるとともに、治具
等を用いないで容易に組み立てることができる等、その
実用的価値は大なるものがある。Effects of the Invention As described above, the present invention fixes a non-breathable sole member having a substantially ring shape and having airtightness to either the outer circumference of the impeller or the inner circumference of the partition plate, By sliding the other free end on the inner periphery of the partition plate or the outer periphery of the impeller, a high sealing effect can be achieved with small sliding resistance. It is possible to suppress eccentricity or assembly 'n1 degrees to a relatively low accuracy.Using two seal members in total increases the sealing effect, and furthermore, using two seals to seal one side. By fixing the member to the outer circumference of the impeller and fixing the seal member on the other side near the inner circumference of the partition plate, the sealing effect is further enhanced, and it can be easily assembled without using jigs. Its practical value is great.

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

第１図は従来の熱父換型送風機の側断面図、第２図は同
送風機のソール装置の要部断面図、第３図は同送風機の
インペラの斜視図、第４図は本発明の一実施例を示すシ
ール装置の要部断面図、第５図はイ１ｐの実施例を示す
要部断面図である。 ６・・・・・・インペラ、８・・・・・・仕切板、９．
１０・・・・・シール部材。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名第１
図 第２図 第３図Fig. 1 is a side sectional view of a conventional heat exchange type blower, Fig. 2 is a sectional view of a main part of the sole device of the same blower, Fig. 3 is a perspective view of the impeller of the same blower, and Fig. 4 is a sectional view of the impeller of the same blower. FIG. 5 is a sectional view of a main part of a sealing device showing one embodiment. FIG. 5 is a sectional view of a main part of an embodiment of A1p. 6... Impeller, 8... Partition plate, 9.
10... Seal member. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 Figure 3

Claims (2)

【特許請求の範囲】[Claims] （１）送風機能と熱交換機能を有するインペラと。 前記インペラの両面の空気流れをインペラの外周で分離
する仕切板とを備え、前記インペラの外周部、またはこ
れに対向する前記仕切板の内周部のいずれか一方に、前
記インペラと前記仕切板との間の間＠全閉塞するように
非通気性の材料よりなり略リング状でかつ弾性を有する
シール部材を配設固定し、この略リング状のシール部材
の他方の遊端部を前記仕切板内周または前記インペラの
外周部のいずれか一方に摺動自在とした熱交換型送風機
のソール装置。(1) An impeller with an air blowing function and a heat exchange function. a partition plate that separates air flows on both sides of the impeller at the outer periphery of the impeller, and the impeller and the partition plate are provided on either the outer periphery of the impeller or the inner periphery of the partition plate opposing thereto. A substantially ring-shaped elastic sealing member made of a non-breathable material is arranged and fixed so as to completely close the space between the partition and the partition. A sole device for a heat exchange type blower that is slidable on either the inner periphery of the plate or the outer periphery of the impeller. （２）シール部材は、仕切板に固定したシール部材と、
インペラに固定したシール部材の二枚設けた特許請求の
範囲第１項記載の熱又換型送風機のシール装置。(2) The sealing member is a sealing member fixed to the partition plate,
A sealing device for a heat exchange type blower according to claim 1, comprising two sealing members fixed to the impeller.