JPH08243334A - Air filter - Google Patents

Air filter

Info

Publication number
JPH08243334A
JPH08243334A JP7049949A JP4994995A JPH08243334A JP H08243334 A JPH08243334 A JP H08243334A JP 7049949 A JP7049949 A JP 7049949A JP 4994995 A JP4994995 A JP 4994995A JP H08243334 A JPH08243334 A JP H08243334A
Authority
JP
Japan
Prior art keywords
flange
filter
filter body
air filter
joined
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
Application number
JP7049949A
Other languages
Japanese (ja)
Other versions
JP3499320B2 (en
Inventor
Minoru Honda
稔 本田
Hideki Inaba
英樹 稲葉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Boshoku Corp
Denso Corp
Original Assignee
Toyota Boshoku Corp
NipponDenso Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Boshoku Corp, NipponDenso Co Ltd filed Critical Toyota Boshoku Corp
Priority to JP04994995A priority Critical patent/JP3499320B2/en
Publication of JPH08243334A publication Critical patent/JPH08243334A/en
Application granted granted Critical
Publication of JP3499320B2 publication Critical patent/JP3499320B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

PURPOSE: To secure rigidity at a filter part of an air filter and to reduce a cost of the air filter. CONSTITUTION: A filter body 1 and a flange 2 are formed with a base material of a similar quality fiber aggregate, and the filter body 1 and the flange 2 are bound with a pair of wall bodies 3 which are molded by an injection molding, installed along an arraying direction and jointed to an inside surface of both side edges of each pleat 1a and both frame leaves 2b of the flange 2, and a reinforcing plate 4 molded by the infection molding is jointed to each pleat 1a.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は内燃機関等のエア流路
の途中に設置されてエア中に混在するダスト類を捕集す
るエアフィルタに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air filter installed in an air passage of an internal combustion engine or the like for collecting dusts mixed in the air.

【0002】[0002]

【従来の技術】従来のこの種のエアフィルタとして例え
ば、多数個のヒダ山を有する濾体の周縁部を硬質合成樹
脂製のフレームに埋込み状に接合し、フレームの外周部
をゴム製のガスケットによって被覆したエアフィルタが
使用されている。また、従来技術としては例えば特開昭
62−268862号公報,特開平6−57293 号公報,実公昭61
−43532 号公報等があり、これらの公報にはフィルタ全
体を繊維層によって構成し、外周縁を熱で圧縮してフラ
ンジを形成したエアフィルタや、繊維層からなる第1濾
過基材と、多数個のヒダ山を有する第2濾過基材とを重
ね合わせたエアフィルタや、帯状濾材と両側端面の濾材
とを別々に形成して各濾材を熱融着繊維によって接合し
たエアフィルタ等が開示されている。
2. Description of the Related Art As a conventional air filter of this type, for example, a peripheral portion of a filter body having a large number of pleats is embedded in a frame made of a hard synthetic resin, and an outer peripheral portion of the frame is made of a rubber gasket. Air filters coated by are used. Further, as a conventional technique, for example, Japanese Patent Application Laid-Open
62-268862, Japanese Patent Laid-Open No. 6-57293, Japanese Utility Model Publication 61
-43532 and the like, in these publications, the entire filter is composed of a fiber layer, and an air filter in which the outer peripheral edge is compressed by heat to form a flange, a first filtration base material composed of a fiber layer, and many Disclosed are an air filter in which a second filtration base material having individual pleats is superposed, an air filter in which a band-shaped filter material and filter materials on both end faces are separately formed, and the filter materials are joined by heat-sealing fibers. ing.

【0003】[0003]

【発明が解決しようとする課題】本発明はエアフィルタ
において、負圧に対する剛性およびシール性能を確保し
てコストを節減することを課題とするものである。
SUMMARY OF THE INVENTION It is an object of the present invention to secure rigidity against negative pressure and sealing performance in an air filter to reduce the cost.

【0004】[0004]

【課題を解決するための手段】請求項1のエアフィルタ
は、ヒダ状に折れ曲がった状態で配列された複数個のヒ
ダ山が形成された濾体と、この濾体の一部を取囲んだ状
態で設置された方形枠状のフランジとを有するエアフィ
ルタにおいて、前記濾体と前記フランジとを同質の繊維
集合体の基材によって形成して前記濾体と前記フランジ
とを射出合成樹脂によって接合するとともに、前記ヒダ
山の配列方向に沿って設置されて前記フランジに結合さ
れた1対の壁体を前記各ヒダ山の両側縁にそれぞれ接合
した構成を有する。
An air filter according to a first aspect of the present invention encloses a filter body having a plurality of ridges arranged in a fold-like bent state and surrounding a part of the filter body. In an air filter having a rectangular frame-shaped flange installed in a state, the filter body and the flange are formed by a base material of a fiber assembly of the same quality, and the filter body and the flange are joined by injection synthetic resin. In addition, a pair of wall bodies installed along the arrangement direction of the folds and joined to the flanges are joined to both side edges of the folds.

【0005】請求項2のエアフィルタは、射出成形によ
って成形されて前記両壁体間に前記ヒダ山の配列方向に
沿って設置された補強板を前記各ヒダ山に接合した構成
を有する。
An air filter according to a second aspect of the present invention has a construction in which a reinforcing plate, which is formed by injection molding and is installed between the both wall bodies and arranged along the arrangement direction of the folds, is joined to each of the folds.

【0006】請求項3のエアフィルタは、前記濾体を一
方側の層の繊維密度が他方側の層の繊維密度より高密度
となった繊維集合体によって形成して前記濾体を、その
クリーンサイドの層の繊維密度がダスティサイドの層の
繊維密度より高密度となるようにして設置した構成を有
する。
In the air filter of claim 3, the filter body is formed by a fiber assembly in which the fiber density of the layer on one side is higher than the fiber density of the layer on the other side, and the filter body is cleaned. It has a structure in which the fiber density of the side layer is higher than that of the dusty side layer.

【0007】請求項4のエアフィルタは、前記フランジ
には加熱および加圧されて硬質化および圧縮した硬質部
と、圧縮変形可能で前記硬質部の回りに配置された軟質
部とを形成した構成を有する。
According to a fourth aspect of the present invention, in the air filter, the flange is formed with a hard portion which is hardened and compressed by being heated and pressed, and a soft portion which is compressively deformable and is arranged around the hard portion. Have.

【0008】請求項5のエアフィルタは、前記軟質部の
厚さを、前記フランジが挟止されるフィルタケースの挟
止部およびキャップの挟止部を嵌め合わせたときに形成
されるクリアランスの幅以上の厚さに設定した構成を有
する。
In the air filter of the present invention, the width of the clearance formed when the thickness of the soft portion is fitted to the sandwiching portion of the filter case and the sandwiching portion of the cap where the flange is sandwiched. It has a configuration set to the above thickness.

【0009】請求項6のエアフィルタは、前記硬質部に
は前記両挟止部のうち一方の挟止部に形成した係止部に
係合する係合部を形成した構成を有する。
An air filter according to a sixth aspect of the present invention has a structure in which the hard portion is provided with an engaging portion that engages with a locking portion formed on one of the two holding portions.

【0010】請求項7のエアフィルタは、前記硬質部に
はこの硬質部の形成時にこの硬質部に融着されたシール
材を接合した構成を有する。
An air filter according to a seventh aspect of the present invention has a construction in which a sealing material fused to the hard portion is joined to the hard portion when the hard portion is formed.

【0011】請求項8のエアフィルタは、前記硬質部と
軟質部との境界部には前記フランジの折り曲げを可能に
するヒンジ部を形成した構成を有する。
An air filter according to an eighth aspect of the present invention has a structure in which a hinge portion that allows bending of the flange is formed at a boundary portion between the hard portion and the soft portion.

【0012】[0012]

【作用】請求項1のエアフィルタでは、同質の繊維集合
体によって形成された濾体およびフランジを射出合成樹
脂によって接合し、濾体のヒダ山の配列方向へ延びる1
対の壁体を各ヒダ山の各両側縁にそれぞれ接合して濾体
およびフランジを一体化する。
In the air filter according to the present invention, the filter body and the flange formed of the same quality fiber aggregate are joined by the injection synthetic resin, and extend in the direction of arrangement of the folds of the filter body.
A pair of wall bodies are joined to both side edges of each fold to integrate the filter body and the flange.

【0013】請求項2のエアフィルタでは、濾体がヒダ
山の配列方向に沿って成形されて各ヒダ山にそれぞれ接
合された補強板によって補強される。
In the air filter of the second aspect, the filter body is formed along the fold array direction and is reinforced by the reinforcing plates respectively joined to the fold mountains.

【0014】請求項3のエアフィルタでは、ダストのう
ち、比較的大きなダストが濾体のダスティサイドの層に
捕集され、ダスティサイドの層を通り抜けた微細なダス
トが濾体のクリーンサイドの層に捕集される。
In the air filter of the third aspect, among the dust, relatively large dust is collected in the dusty side layer of the filter body, and the fine dust passing through the dusty side layer is the clean side layer of the filter body. To be collected by.

【0015】請求項4のエアフィルタでは、加熱および
加圧されて硬質化および圧縮した硬質部と、圧縮変形可
能で硬質部の回りに配置された軟質部とによってフラン
ジの内側部位と外側部位との物性および形態が変化す
る。
According to another aspect of the air filter of the present invention, the inner portion and the outer portion of the flange are formed by the hard portion which is hardened and compressed by being heated and pressurized and the soft portion which is compressively deformable and is arranged around the hard portion. Physical properties and morphology of.

【0016】請求項5のエアフィルタでは、フランジの
軟質部がクリーナケースの挟止部と、キャップの挟止部
との間に圧縮状態で挟止されて軟質部の挟止状態が強化
される。
In the air filter of the fifth aspect, the soft portion of the flange is pinched in a compressed state between the pinching portion of the cleaner case and the pinching portion of the cap to strengthen the pinching state of the soft portion. .

【0017】請求項6のエアフィルタでは、フランジの
硬質部に形成した係合部がフィルタケースおよびキャッ
プの両挟止部の一方に形成された係止部に係合した状態
でフランジが両挟止部によって挟止される。
According to another aspect of the air filter of the present invention, the flange is clamped on both sides in a state where the engaging portion formed on the hard portion of the flange is engaged with the engaging portion formed on one of the two retaining portions of the filter case and the cap. It is clamped by the stopper.

【0018】請求項7のエアフィルタでは、フランジの
硬質部に固着されたシール材によって、フランジのシー
ル性能が強化される。
In the air filter of the seventh aspect, the sealing performance of the flange is enhanced by the sealing material fixed to the hard portion of the flange.

【0019】請求項8のエアフィルタでは、硬質部と軟
質部との境界部に形成されたヒンジ部によってフランジ
の折り曲げが可能となり、軟質部の折り返しが可能とな
る。
In the air filter of the eighth aspect, the hinge portion formed at the boundary between the hard portion and the soft portion allows the flange to be bent, and the soft portion can be folded back.

【0020】[0020]

【発明の効果】請求項1の発明によれば、濾体とフラン
ジとを強固に結合してエアフィルタの構造的強度を両壁
体によって強化することができるとともに、濾体とフラ
ンジとを結合する工程を簡易化することができる。
According to the first aspect of the present invention, the filter body and the flange can be firmly connected to each other to enhance the structural strength of the air filter by the two wall bodies, and the filter body and the flange can be connected to each other. The process of doing can be simplified.

【0021】とくに、負圧に対する濾体の剛性を両壁体
によって確保して濾体の耐負圧特性を安定化することが
できる。
In particular, the rigidity of the filter body against a negative pressure can be secured by the both walls, and the negative pressure resistance characteristic of the filter body can be stabilized.

【0022】また、濾体およびフランジが同質の繊維集
合体の基材によって作成されるので、エアフィルタの材
料コストおよび製造コストを節減することができるとと
もに、濾体とフランジとの接合状態を安定化することが
できる。
Further, since the filter body and the flange are made of the same base material of the fiber assembly, the material cost and the manufacturing cost of the air filter can be reduced and the joint state between the filter body and the flange can be stabilized. Can be converted.

【0023】さらに、従来のエアフィルタでは合成樹脂
によって作製していたフレームが不要となり、このフレ
ームの外周部を保護するガスケット等の保護部材が不要
となるので、合成樹脂の使用量およびエアフィルタの部
品点数を削減してエアフィルタの材料コストを節減する
ことができる。
Further, the conventional air filter does not require a frame made of synthetic resin, and a protective member such as a gasket for protecting the outer peripheral portion of the frame is not required. Therefore, the amount of synthetic resin used and the air filter It is possible to reduce the number of parts and reduce the material cost of the air filter.

【0024】請求項2の発明によれば、濾体を補強板に
よって効果的に補強して負圧に対する濾過部の剛性をさ
らに強化し、エアフィルタの構造的強度特性をさらに高
めることができる。
According to the second aspect of the present invention, the filter body can be effectively reinforced by the reinforcing plate to further enhance the rigidity of the filter portion against negative pressure and further enhance the structural strength characteristics of the air filter.

【0025】請求項3の発明によれば、大きさが異なる
ダストを濾体の厚さ方向に分配して捕集することがで
き、濾体の有効濾過面積を濾体の厚さ方向へ拡張して濾
体のダスティサイドの層に捕集負荷が集中する不具合を
解消することができ、濾体のダスト捕集効率および濾過
特性を良化することができる。
According to the third aspect of the present invention, dust having different sizes can be distributed and collected in the thickness direction of the filter body, and the effective filtration area of the filter body can be expanded in the thickness direction of the filter body. Thus, it is possible to solve the problem that the collection load is concentrated on the dusty side layer of the filter body, and it is possible to improve the dust collection efficiency and the filtration characteristics of the filter body.

【0026】請求項4の発明によれば、フランジの強度
特性および形態安定性を良化してエアフィルタの取付け
状態を安定化することができる。
According to the invention of claim 4, it is possible to improve the strength characteristics and shape stability of the flange and stabilize the mounting state of the air filter.

【0027】請求項5の発明によれば、フランジを両挟
止部によって固定したときの固定状態を強化および安定
化することができるとともに、フランジと両挟止部との
間のシール性能を良化することができる。
According to the fifth aspect of the present invention, it is possible to strengthen and stabilize the fixed state when the flange is fixed by the both pinching portions, and the sealing performance between the flange and both the pinching portions is improved. Can be converted.

【0028】請求項6の発明によれば、フランジを両挟
止部に正確に位置決めして強固に固定することができ、
フランジの経時的な位置ずれを無くすことができる。
According to the sixth aspect of the present invention, the flanges can be accurately positioned and firmly fixed to both the clamping portions,
It is possible to eliminate the positional displacement of the flange with time.

【0029】請求項7の発明によれば、フランジ自体の
シール性能を良化して、挟止部とフランジとの間からの
ダスト洩れを無くすことができる。
According to the invention of claim 7, it is possible to improve the sealing performance of the flange itself, and to prevent dust from leaking between the pinching portion and the flange.

【0030】請求項8の発明によれば、フランジをヒン
ジ部を折れ目として無理なく折り曲げてフランジを折り
曲げたときの損傷や強度低下を無くすことができるとと
もに、軟質部と硬質部とを重ね合わせた状態でフランジ
を両挟止部間に挟止することができるので、両挟止部間
の隙間をフランジによって強固にシールすることができ
る。
According to the invention of claim 8, it is possible to bend the flange with the hinge portion as a fold line without difficulty and to prevent damage and strength reduction when the flange is folded, and superimpose the soft portion and the hard portion. Since the flange can be clamped between both clamping portions in this state, the gap between both clamping portions can be firmly sealed by the flange.

【0031】[0031]

【実施例】次に、本発明の1実施例を図面にしたがって
説明する。内燃機関等に形成されたエア流路の途中に設
置されるエアフィルタAにおいて、ヒダ状に折れ曲がっ
た状態で横1列に配列された複数個のヒダ山1aが形成さ
れた濾体1には方形枠状に形成されて濾体1の一端部を
取囲んだ状態で設置されたフランジ2が結合されてい
る。
An embodiment of the present invention will be described below with reference to the drawings. In an air filter A installed in the middle of an air flow path formed in an internal combustion engine or the like, a filter body 1 having a plurality of folds 1a arranged in a horizontal row in a fold-like bent state A flange 2 which is formed in the shape of a rectangular frame and is installed so as to surround one end of the filter body 1 is joined.

【0032】濾体1およびフランジ2は不織布,濾紙,
フェルト等の同質の繊維集合体の基材によってそれぞれ
形成され、本例では濾体1および枠体2は繊維密度が厚
さ方向へ漸次変化する繊維集合体の基材によって作成さ
れている。
The filter body 1 and the flange 2 are made of non-woven fabric, filter paper,
The filter body 1 and the frame body 2 are each formed of a fibrous base material of the same quality such as felt, and in this example, the filter body 1 and the frame body 2 are made of a fibrous base material whose fiber density gradually changes in the thickness direction.

【0033】濾体1は、その繊維密度が濾体1のクリー
ンサイドaからダスティサイドbへ漸次高密度となるよ
うに設置され、濾体1のクリーンサイドaの層の繊維密
度は濾体1のダスティサイドbの層の繊維密度より高密
度となっている。
The filter body 1 is installed such that the fiber density thereof gradually increases from the clean side a of the filter body 1 to the dusty side b, and the fiber density of the layer of the clean side a of the filter body 1 is set to the filter body 1. The density is higher than that of the dusty side b layer.

【0034】濾体1のダスティサイドbから濾体1内に
侵入したダストは濾体1の各層を通り抜けてクリーンサ
イドaに達するまでに大きさの順に捕集され、ダストの
うち、比較的大きなダストが濾体1のダスティサイドb
の各層に捕集され、ダスティサイドbの各層を通り抜け
た微細なダストが濾体1のクリーンサイドaの各層に捕
集される。
The dust that has entered into the filter body 1 from the dusty side b of the filter body 1 is collected in order of size before passing through the layers of the filter body 1 and reaching the clean side a. Dust is dusty side b of filter body 1
Of the dusty side b and the fine dust passing through the layers of the dusty side b are collected in the layers of the clean side a of the filter body 1.

【0035】フランジ2は図3に示すように板状の繊維
集合体を無端状に打ち抜いた基材22や、図4に示すよう
に板状の繊維集合体をスライスして作製された帯体24を
方形枠状に折り曲げて帯体24の両端面24a を接合した基
材23等によって作成される。
The flange 2 is formed by endlessly punching a plate-shaped fiber assembly as shown in FIG. 3 or a band made by slicing the plate-shaped fiber assembly as shown in FIG. It is formed by a base material 23 or the like in which both end surfaces 24a of the band 24 are joined by bending 24 into a rectangular frame shape.

【0036】濾体1のヒダ山1aのうちの両端の両ヒダ山
1aの外端縁1cと、フランジ2の短辺側の両枠片2aとは射
出成形工程で射出成形時に射出された合成樹脂によって
一体状に接合されるとともに、濾体1とフランジ2と
は、射出成形時に射出された合成樹脂がフランジ2から
立ち上がった板状に成形されて濾体1のヒダ山1aの配列
方向に沿って設置され、濾体1の各ヒダ山1aの各両側縁
1bと、フランジ2の長辺側の枠片2bの内側面とにそれぞ
れ接合された1対の壁体3によって結合され、濾体1は
各ヒダ山1aが両壁体3間に挟み込まれた状態で両壁体3
に接合されている。
Both folds at both ends of the folds 1a of the filter body 1
The outer edge 1c of 1a and both frame pieces 2a on the short side of the flange 2 are integrally joined by a synthetic resin injected during injection molding in the injection molding process, and the filter body 1 and the flange 2 are joined together. , The synthetic resin injected at the time of injection molding is molded into a plate shape rising from the flange 2 and installed along the arrangement direction of the folds 1a of the filter body 1, and both side edges of each fold 1a of the filter body 1
1b and the inner surface of the frame piece 2b on the long side of the flange 2 are joined by a pair of wall bodies 3 respectively joined, and the filter body 1 has each fold 1a sandwiched between both wall bodies 3. Both walls 3 in the state
Is joined to.

【0037】濾体1およびフランジ2を接合して両壁体
3によって結合するに際し、個別に作製された濾体1お
よびフランジ2を射出成形機の金型内にインサートした
状態で溶融したPP等の合成樹脂を射出して濾体1の両
外端縁1cと、フランジ2の両枠片2aとを射出合成樹脂に
よって接合すると同時に、射出合成樹脂によって両壁体
3を成形しながら両壁体3を濾体1の各ヒダ山1aの各両
側縁1bおよびフランジ2の両枠片2bに接合して濾体1お
よびフランジ2を結合する方法が適用される。
When the filter body 1 and the flange 2 are joined and joined by the both wall bodies 3, the individually prepared filter body 1 and the flange 2 are melted in a state where they are inserted into the mold of the injection molding machine and melted PP or the like. Both outer edges 1c of the filter body 1 and both frame pieces 2a of the flange 2 are joined with each other by injection synthetic resin, and at the same time, both wall bodies 3 are formed by molding both wall bodies 3 with the injection synthetic resin. A method of joining the filter body 1 and the flange 2 by joining 3 to each side edge 1b of each fold 1a of the filter body 1 and both frame pieces 2b of the flange 2 is applied.

【0038】濾体1の各ヒダ山1aの中央部は両壁体3の
射出成形時に射出された合成樹脂によって板状に成形さ
れて両壁体3間の中間部にヒダ山1aの配列方向に沿って
設置され、濾体1を補強する補強板4にそれぞれ接合さ
れている。
The center portion of each ridge 1a of the filter body 1 is molded into a plate shape by the synthetic resin injected at the time of injection molding of both wall bodies 3, and the fold ridges 1a are arranged in the middle portion between both wall bodies 3 in the arrangement direction. And are joined to the reinforcing plates 4 that reinforce the filter body 1, respectively.

【0039】エアフィルタAは、箱形状のフィルタケー
ス16の周縁部に形成された挟止部17と、フィルタケース
16を覆う箱形状のキャップ18の周縁部に形成された挟止
部19との間にフランジ2が折り曲げられて挟止され、フ
ィルタケース16およびキャップ18の内部に濾体1が装入
された状態で、フィルタケース16およびキャップ18に固
定される。
The air filter A is composed of a holding portion 17 formed on the peripheral portion of a box-shaped filter case 16 and a filter case.
The flange 2 was bent and sandwiched between the box-shaped cap 18 and the sandwiching portion 19 formed on the peripheral portion of the box-shaped cap 18, and the filter body 1 was inserted into the filter case 16 and the cap 18. In this state, the filter case 16 and the cap 18 are fixed.

【0040】フランジ2には繊維集合体の基材の一部を
全周にわたって加熱および加圧して成形されて圧縮およ
び硬化した無端状の硬質部6と、この硬質部6の回りに
配置され、加熱および加圧されないで濾体1の厚さと同
じ厚さを有し、圧縮変形可能に成形された無端状の軟質
部7とが内外に隣合って形成されている。
The flange 2 has an endless hard portion 6 formed by heating and pressurizing a part of the base material of the fiber assembly over the entire circumference, and is compressed and hardened, and is arranged around the hard portion 6. Endless soft parts 7 having the same thickness as that of the filter body 1 without being heated and pressed and formed so as to be compressively deformable are formed adjacent to each other inside and outside.

【0041】硬質部6は挟止部17の内挟止片17a と挟止
部19の内挟止部19a との間に挟止され、軟質部7は挟止
部17の外挟止片17b と挟止部19の外挟止片19b との間に
挟止される。
The hard portion 6 is sandwiched between the inner sandwiching piece 17a of the sandwiching portion 17 and the inner sandwiching portion 19a of the sandwiching portion 19, and the soft portion 7 is the outer sandwiching piece 17b of the sandwiching portion 17. And the outer clamping piece 19b of the clamping part 19 are clamped.

【0042】フランジ2の硬質部6にはフィルタケース
16の挟止部17に突設された係止突起20に係合する係合溝
8と、キャップ18の挟止部19に凹設された係止溝21に係
合する係合突起9とがフランジ2の全周にわたって形成
されている。
A filter case is provided on the hard portion 6 of the flange 2.
An engaging groove 8 that engages with a locking protrusion 20 that is provided on the pinching portion 17 of 16 and an engaging protrusion 9 that engages with an engaging groove 21 that is recessed on the pinching portion 19 of the cap 18. Are formed over the entire circumference of the flange 2.

【0043】フランジ2の硬質部6の両面のうち、濾体
1のクリーンサイドaの延長面には硬質部6の形成時に
硬質部6に融着されたテープ状のシール材10がフランジ
2の全周にわたって接合されている。
Of the both sides of the hard portion 6 of the flange 2, the tape-like sealing material 10 fused to the hard portion 6 when the hard portion 6 is formed is formed on the extension surface of the clean side a of the filter body 1 of the flange 2. It is joined all around.

【0044】フランジ2の軟質部7の厚さd1はフィルタ
ケース16の挟止部17とキャップ18の挟止部19とを嵌め合
わせたときに挟止部19の外挟止片17b と挟止部19の外挟
止片19b との間に形成されるクリアランスの幅d2より大
きくなってd1>d2となるように設定され、軟質部7は両
挟止部17,19を嵌め合わせたときに両外挟止片17a ,19
a 間に圧縮変形した状態で挟み込まれる。
The thickness d1 of the soft portion 7 of the flange 2 is such that when the pinching part 17 of the filter case 16 and the pinching part 19 of the cap 18 are fitted together, the pinching part 17b of the pinching part 19 and the pinching part 17b of the pinching part 19 are pinched. The width of the clearance formed between the portion 19 and the outer clamp piece 19b is set to be larger than the width d2 such that d1> d2, and the soft portion 7 is set when both the clamp portions 17 and 19 are fitted to each other. Both outer clamping pieces 17a, 19
It is sandwiched between a and compressed.

【0045】フランジ2の硬質部6と軟質部7との境界
部には軟質部7を回動させて折り返すときの回動支点と
なり、フランジ2の折り曲げを可能にするヒンジ部11が
形成され、軟質部7をヒンジ部11を支点として折り返し
たときには軟質部7と硬質部6とが重ね合わされた状態
でフランジ2が両挟止部17,19の両内挟止片17a ,19a
間に挟み込まれる。
At the boundary between the hard portion 6 and the soft portion 7 of the flange 2, there is formed a hinge portion 11 that serves as a fulcrum of rotation when the soft portion 7 is rotated and folded back, and allows the flange 2 to be bent. When the soft portion 7 is folded back around the hinge portion 11 as a fulcrum, the flange 2 is inserted into the inner holding pieces 17a and 19a of the two holding portions 17 and 19 while the soft portion 7 and the hard portion 6 are overlapped with each other.
Sandwiched between.

【0046】次に上記した構成を有する実施例の作用と
効果を説明する。本例ではヒダ状に折れ曲がった状態で
配列された複数個のヒダ山1aが形成された濾体1と、こ
の濾体1の一部を取囲んだ状態で設置された方形枠状の
フランジ2とを有するエアフィルタAにおいて、濾体1
とフランジ2とを同質の繊維集合体の基材によって形成
するとともに、濾体1とフランジ2とを、射出成形によ
って成形されてヒダ山1aの配列方向に沿って設置され、
各ヒダ山1aの両側縁1bおよびフランジ2の両枠片2bの内
側面にそれぞれ接合された1対の壁体3によって結合
し、射出成形によって成形されて両壁体3間にヒダ山1a
の配列方向に沿って設置された補強板4を各ヒダ山1aに
接合し、濾体1を一方側の層の繊維密度が他方側の層の
繊維密度より高密度となった繊維集合体によって形成し
て濾体1を、そのクリーンサイドaの層の繊維密度がダ
スティサイドbの層の繊維密度より高密度となるように
して設置し、フランジ2には加熱および加圧されて硬質
化および圧縮した硬質部6と、圧縮変形可能で硬質部6
の回りに配置された軟質部7とを形成し、軟質部7の厚
さd1を、フランジ2が挟止されるフィルタケース16の挟
止部17およびキャップ18の挟止部19を嵌め合わせたとき
に形成されるクリアランスの幅d2以上の厚さに設定し、
硬質部6には挟止部17に形成した係止溝21に係合する係
合突起9を形成し、硬質部6にはこの硬質部6の形成時
にこの硬質部6に融着されたシール材10を接合し、硬質
部6と軟質部7との境界部にはフランジ2の折り曲げを
可能にするヒンジ部11を形成してある。
Next, the operation and effect of the embodiment having the above-mentioned structure will be described. In this example, a filter body 1 formed with a plurality of folds 1a arranged in a fold-like shape, and a rectangular frame-shaped flange 2 installed so as to surround a part of the filter body 1. An air filter A having a filter body 1
And the flange 2 are formed of a base material of the same quality fiber aggregate, and the filter body 1 and the flange 2 are formed by injection molding and installed along the arrangement direction of the folds 1a,
The side ridges 1a of each fold 1a and the inner side surfaces of both frame pieces 2b of the flange 2 are joined by a pair of wall bodies 3 respectively joined by injection molding, and the folds 1a between both wall bodies 3 are formed.
The reinforcing plate 4 installed along the arrangement direction of is joined to each fold 1a, and the filter body 1 is made of a fiber assembly in which the fiber density of the layer on one side is higher than that of the layer on the other side. The filter body 1 is formed and placed so that the fiber density of the layer of the clean side a thereof is higher than that of the layer of the dusty side b, and the flange 2 is heated and pressed to harden and Compressed hard part 6 and compressible deformable hard part 6
And the soft part 7 disposed around the outer circumference of the filter part 16 and the thickness d1 of the soft part 7 are fitted to the pinch part 17 of the filter case 16 and the pinch part 19 of the cap 18 on which the flange 2 is pinched. Set the thickness to be more than the width d2 of the clearance that is formed when
The hard portion 6 is formed with an engagement projection 9 that engages with the locking groove 21 formed in the pinching portion 17, and the hard portion 6 has a seal fused to the hard portion 6 when the hard portion 6 is formed. A material 10 is joined and a hinge portion 11 that allows the flange 2 to be bent is formed at a boundary portion between the hard portion 6 and the soft portion 7.

【0047】このため、濾体1とフランジ2とを両壁体
3によって強固に結合してエアフィルタAの構造的強度
を強化することができるとともに、濾体1とフランジ2
とを結合する工程を簡易化することができる。
Therefore, the filter body 1 and the flange 2 can be firmly joined by the both wall bodies 3 to strengthen the structural strength of the air filter A, and the filter body 1 and the flange 2 can be strengthened.
The step of connecting and can be simplified.

【0048】とくに、負圧に対する濾体1の剛性を両壁
体3によって確保して濾体1の耐負圧特性を安定化する
ことができる。
Particularly, the rigidity of the filter body 1 against negative pressure can be secured by the both wall bodies 3 and the negative pressure resistance characteristic of the filter body 1 can be stabilized.

【0049】また、濾体1およびフランジ2が同質の繊
維集合体の基材によって作成されるので、エアフィルタ
Aの材料コストおよび製造コストを節減することができ
るとともに、濾体1とフランジ2との接合状態を安定化
することができる。
Further, since the filter body 1 and the flange 2 are made of the same material as the base material of the fiber assembly, the material cost and the manufacturing cost of the air filter A can be reduced, and the filter body 1 and the flange 2 can be reduced. The bonding state of can be stabilized.

【0050】さらに、従来のエアフィルタでは合成樹脂
によって作製していたフレームが不要となり、このフレ
ームの外周部を保護するガスケット等の保護部材が不要
となるので、合成樹脂の使用量およびエアフィルタAの
部品点数を削減してエアフィルタの材料コストを節減す
ることができる。
Further, since the conventional air filter does not require a frame made of synthetic resin, and a protective member such as a gasket for protecting the outer peripheral portion of the frame is not required, the amount of synthetic resin used and the air filter A are not required. It is possible to reduce the number of parts and reduce the material cost of the air filter.

【0051】また、濾体1を補強板4によって効果的に
補強して負圧に対する濾過部の剛性をさらに強化し、エ
アフィルタAの構造的強度特性をさらに高めることがで
きる。
Further, the filter body 1 can be effectively reinforced by the reinforcing plate 4 to further enhance the rigidity of the filter portion against negative pressure, and further improve the structural strength characteristics of the air filter A.

【0052】さらに、大きさが異なるダストを濾体1の
厚さ方向に分配して捕集することができ、濾体1の有効
濾過面積を濾体1の厚さ方向へ拡張して濾体1のダステ
ィサイドの層に捕集負荷が集中する不具合を解消するこ
とができ、濾体1のダスト捕集効率および濾過特性を良
化することができる。
Furthermore, dusts of different sizes can be distributed and collected in the thickness direction of the filter body 1, and the effective filtration area of the filter body 1 can be expanded in the thickness direction of the filter body 1 to obtain the filter body. The problem that the collection load is concentrated on the dusty side layer of No. 1 can be solved, and the dust collection efficiency and the filtration characteristics of the filter body 1 can be improved.

【0053】また、硬質部6によってフランジ2の強度
特性および形態安定性を良化してエアフィルタAの取付
け状態を安定化することができる。
Further, the hard portion 6 improves the strength characteristics and the shape stability of the flange 2 to stabilize the mounting state of the air filter A.

【0054】さらに、フランジ2を両挟止部17,19によ
って固定したときの固定状態を強化および安定化するこ
とができるとともに、フランジ2と両挟止部17,19との
間のシール性能を良化することができる。
Furthermore, the fixing state when the flange 2 is fixed by the both pinching portions 17 and 19 can be strengthened and stabilized, and the sealing performance between the flange 2 and the both pinching portions 17 and 19 can be improved. Can be improved.

【0055】また、フランジ2を係合溝8と係止突起2
0、および、係合突起9と係止溝21によって両挟止部1
7,19に正確に位置決めして強固に固定することがで
き、フランジ2の経時的な位置ずれを無くすことができ
る。
Further, the flange 2 is provided with the engaging groove 8 and the locking projection 2
0, and the engaging projections 9 and the locking grooves 21 cause both pinching portions 1
It can be accurately positioned and firmly fixed to 7 and 19, and the positional displacement of the flange 2 with time can be eliminated.

【0056】さらに、シール材10によってフランジ2自
体のシール性能を良化して、挟止部17,19とフランジ2
との間からのダスト洩れを無くすことができる。
Further, the sealing material 10 improves the sealing performance of the flange 2 itself so that the clamping portions 17 and 19 and the flange 2 can be improved.
It is possible to eliminate dust leakage from between.

【0057】また、フランジ2をヒンジ部11を折れ目と
して無理なく折り曲げてフランジ2を折り曲げたときの
損傷や強度低下を無くすことができるとともに、軟質部
7と硬質部6とを重ね合わせた状態でフランジ2を両挟
止部17,19間に挟止することができるので、両挟止部1
7,19間の隙間をフランジ2によって強固にシールする
ことができる。
Further, it is possible to bend the flange 2 with the hinge portion 11 as a fold, and to prevent damage and reduction in strength when the flange 2 is folded, and to put the soft portion 7 and the hard portion 6 on top of each other. Since the flange 2 can be clamped between the two clamping portions 17 and 19, both clamping portions 1
The gap between 7 and 19 can be firmly sealed by the flange 2.

【0058】次に、図8、図9に示す本発明の第2実施
例について説明すると、本例では図8(A) に示す方形板
状の繊維集合体の基材30をその短辺側の両端縁付近に沿
って形成された1対の切れ目31と、長辺側の両端縁の中
間部に長辺と並行に形成された切れ目31とによって切断
し、各切れ目31を切断端縁とする1対の板片を曲げ起す
ことによって図8(B) に示すようにフランジ2と、この
フランジ2に一体状に結合された1対の壁体3とを形成
し、また、図9に示すように、繊維集合体の基材30を不
要部分となる切除部34が切り抜かれるように切除部34を
取囲む切れ目33によって切断して切除部34を切り落き、
切れ目33を切断端縁とする1対の板片を曲げ起してフラ
ンジ2および両壁体3を形成する。
Next, a second embodiment of the present invention shown in FIGS. 8 and 9 will be described. In this example, the base 30 of the rectangular plate-shaped fiber assembly shown in FIG. A pair of cuts 31 formed along the vicinity of both end edges and a cut 31 formed in parallel with the long side in the middle portion of the long side end edges, and each cut 31 is referred to as a cut edge. As shown in FIG. 8 (B), a flange 2 and a pair of wall bodies 3 integrally connected to the flange 2 are formed by bending and bending up a pair of plate pieces to be used. As shown, cut off the cut portion 34 by cutting the base material 30 of the fiber assembly by a cut 33 surrounding the cut portion 34 so that the cut portion 34 which becomes an unnecessary portion is cut out,
A pair of plate pieces whose cut edges are cut edges 33 are bent and bent to form the flange 2 and the both wall bodies 3.

【0059】濾体1の両外端縁1cおよびフランジ2の短
辺側の両枠片2aと、濾体1の各ヒダ山1aの各両側縁1bお
よび両壁体3とは射出成形工程で射出された合成樹脂に
よって接合されるとともに、各ヒダ山1aの中央部は射出
成形工程で成形された補強板4にそれぞれ接合される。
The outer edges 1c of the filter body 1 and the frame pieces 2a on the shorter side of the flange 2, the side edges 1b of the folds 1a of the filter body 1 and the wall bodies 3 are formed by an injection molding process. While being joined by the injected synthetic resin, the central portion of each fold 1a is joined to the reinforcing plate 4 formed in the injection molding process.

【0060】第2実施例によれば、両壁体3が濾体1と
同質の繊維集合体の基材によって作成されるので、両壁
体3に濾過機能を付与して濾体1が受ける捕集負荷を軽
減させることができる。
According to the second embodiment, since both wall bodies 3 are made of a base material of a fiber aggregate having the same quality as that of the filter body 1, the filter body 1 receives the both wall bodies 3 with a filtering function. The collection load can be reduced.

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

【図1】本発明の1実施例を示すエアフィルタの斜視図
である。
FIG. 1 is a perspective view of an air filter showing an embodiment of the present invention.

【図2】濾体の斜視図である。FIG. 2 is a perspective view of a filter body.

【図3】フランジ用基材の斜視図である。FIG. 3 is a perspective view of a flange base material.

【図4】フランジ用基材の他例を示す斜視図である。FIG. 4 is a perspective view showing another example of the flange base material.

【図5】図1のX−X線拡大断面図である。5 is an enlarged cross-sectional view taken along line XX of FIG.

【図6】フランジの縦断面図である。FIG. 6 is a vertical sectional view of a flange.

【図7】エアフィルタの取付け態様を説明する要部の断
面図である。
FIG. 7 is a cross-sectional view of a main part for explaining an attachment mode of an air filter.

【図8】本発明の第2実施例を示すもので、フランジお
よび壁体の製作過程を説明する斜視図である。
FIG. 8 shows a second embodiment of the present invention and is a perspective view for explaining the manufacturing process of the flange and the wall body.

【図9】同じく、フランジおよび壁体の製作過程の他例
を説明する斜視図である。
FIG. 9 is a perspective view illustrating another example of the manufacturing process of the flange and the wall body.

【符号の説明】[Explanation of symbols]

1 濾体 1a ヒダ山 2 フランジ 3 壁体 4 補強板 6 硬質部 7 軟質部 8 係合溝 9 係合突起 10 シール材 11 ヒンジ部 16 フィルタケース 17 挟止部 18 キャップ 19 挟止部 a クリーンサイド b ダスティサイド 1 Filter body 1a Folded mountain 2 Flange 3 Wall body 4 Reinforcement plate 6 Hard part 7 Soft part 8 Engagement groove 9 Engagement protrusion 10 Seal material 11 Hinge part 16 Filter case 17 Clamping part 18 Cap 19 Clamping part a Clean side b dusty side

Claims (8)

【特許請求の範囲】[Claims] 【請求項1】 ヒダ状に折れ曲がった状態で配列された
複数個のヒダ山が形成された濾体と、この濾体の一部を
取囲んだ状態で設置された方形枠状のフランジとを有す
るエアフィルタにおいて、前記濾体と前記フランジとを
同質の繊維集合体の基材によって形成して前記濾体と前
記フランジとを射出合成樹脂によって接合するととも
に、前記ヒダ山の配列方向に沿って設置されて前記フラ
ンジに結合された1対の壁体を前記各ヒダ山の両側縁に
それぞれ接合したことを特徴とするエアフィルタ。
1. A filter body having a plurality of folds arranged in a fold-like bent state, and a rectangular frame-shaped flange installed so as to surround a part of the filter body. In an air filter having, the filter body and the flange are formed by a base material of the same quality fiber aggregate and the filter body and the flange are joined by an injection synthetic resin, and along the arrangement direction of the folds. An air filter, wherein a pair of wall bodies installed and joined to the flange are joined to both side edges of each of the folds.
【請求項2】 射出成形によって成形されて前記両壁体
間に前記ヒダ山の配列方向に沿って設置された補強板を
前記各ヒダ山に接合したことを特徴とする請求項1記載
のエアフィルタ。
2. The air according to claim 1, wherein a reinforcing plate, which is formed by injection molding and is installed between the both wall bodies along the arrangement direction of the folds, is joined to each fold. filter.
【請求項3】 前記濾体を一方側の層の繊維密度が他方
側の層の繊維密度より高密度となった繊維集合体によっ
て形成して前記濾体を、そのクリーンサイドの層の繊維
密度がダスティサイドの層の繊維密度より高密度となる
ようにして設置したことを特徴とする請求項1または請
求項2記載のエアフィルタ。
3. The filter body is formed of a fiber assembly in which the fiber density of the layer on one side is higher than the fiber density of the layer on the other side, and the filter body is formed by using the fiber density of the clean side layer. 3. The air filter according to claim 1 or 2, wherein the air filter is installed so that the density is higher than the fiber density of the dusty side layer.
【請求項4】 前記フランジには加熱および加圧されて
硬質化および圧縮した硬質部と、圧縮変形可能で前記硬
質部の回りに配置された軟質部とを形成したことを特徴
とする請求項1,請求項2または請求項3記載のエアフ
ィルタ。
4. The flange is formed with a hard portion that is hardened and compressed by being heated and pressed, and a soft portion that is compressively deformable and that is arranged around the hard portion. 1, The air filter according to claim 2 or claim 3.
【請求項5】 前記軟質部の厚さを、前記フランジが挟
止されるフィルタケースの挟止部およびキャップの挟止
部を嵌め合わせたときに形成されるクリアランスの幅以
上の厚さに設定したことを特徴とする請求項4記載のエ
アフィルタ。
5. The thickness of the soft portion is set to a thickness equal to or larger than a width of a clearance formed when the holding portion of the filter case where the flange is held and the holding portion of the cap are fitted to each other. The air filter according to claim 4, wherein
【請求項6】 前記硬質部には前記両挟止部のうち一方
の挟止部に形成した係止部に係合する係合部を形成した
ことを特徴とする請求項4または請求項5記載のエアフ
ィルタ。
6. The hard portion is formed with an engaging portion that engages with a locking portion formed on one of the two holding portions. Air filter as described.
【請求項7】 前記硬質部にはこの硬質部の形成時にこ
の硬質部に融着されたシール材を接合したことを特徴と
する請求項4,請求項5または請求項6記載のエアフィ
ルタ。
7. The air filter according to claim 4, wherein a sealing material fused to the hard portion is joined to the hard portion when the hard portion is formed.
【請求項8】 前記硬質部と軟質部との境界部には前記
フランジの折り曲げを可能にするヒンジ部を形成したこ
とを特徴とする請求項4,請求項5,請求項6または請
求項7記載のエアフィルタ。
8. A hinge portion that allows the flange to be bent is formed at a boundary portion between the hard portion and the soft portion. Air filter as described.
JP04994995A 1995-03-09 1995-03-09 Air filter Expired - Fee Related JP3499320B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04994995A JP3499320B2 (en) 1995-03-09 1995-03-09 Air filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04994995A JP3499320B2 (en) 1995-03-09 1995-03-09 Air filter

Publications (2)

Publication Number Publication Date
JPH08243334A true JPH08243334A (en) 1996-09-24
JP3499320B2 JP3499320B2 (en) 2004-02-23

Family

ID=12845292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04994995A Expired - Fee Related JP3499320B2 (en) 1995-03-09 1995-03-09 Air filter

Country Status (1)

Country Link
JP (1) JP3499320B2 (en)

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