JP2002306909A - Filter element structure - Google Patents
Filter element structureInfo
- Publication number
- JP2002306909A JP2002306909A JP2001112845A JP2001112845A JP2002306909A JP 2002306909 A JP2002306909 A JP 2002306909A JP 2001112845 A JP2001112845 A JP 2001112845A JP 2001112845 A JP2001112845 A JP 2001112845A JP 2002306909 A JP2002306909 A JP 2002306909A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filter element
- frame portion
- frame member
- embedded
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、気体や液体を濾
過して不純物を取り除くフィルタエレメント構造に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter element structure for filtering a gas or liquid to remove impurities.
【0002】[0002]
【従来の技術】従来、この種のフィルタエレメント構造
は、図4〜6に示すように、複数の折り山5が形成され
てじくざぐに襞折りされた濾過材1と外周端縁2が、こ
れを保持する樹脂製の枠部材3に埋設されており、フィ
ルタエレメント7は射出成形によって濾過材1と枠部材
3とが一体に形成されていた。2. Description of the Related Art Conventionally, as shown in FIGS. 4 to 6, this type of filter element structure has a filter material 1 and an outer peripheral edge 2 which are formed with a plurality of folded ridges 5 and folded in a zigzag manner. The filter element 7 is embedded in a resin-made frame member 3 for holding the filter member 1, and the filter element 1 and the frame member 3 are integrally formed by injection molding.
【0003】即ち、このフィルタエレメント7の成形型
は、その内部に枠部材3を成形する成形空間と、この成
形空間と連通し濾過材1が配置される間隙とが設けら
れ、上下に2分割可能な構造を成している。That is, the molding die of the filter element 7 is provided with a molding space for molding the frame member 3 therein, a gap communicating with the molding space and the filter medium 1 being disposed, and is vertically divided into two parts. It has a possible structure.
【0004】そして、下側の成形型の所定の位置に濾過
材1を配置することによって、前記成形空間内に濾過材
1の外周端縁2を入り込ませ、上側の成形型を重ね合わ
せた後に、成形空間内に樹脂が射出されてフィルタエレ
メント7が形成される。[0004] By disposing the filter medium 1 at a predetermined position of the lower mold, the outer peripheral edge 2 of the filter medium 1 is inserted into the molding space, and after the upper mold is overlapped. The resin is injected into the molding space to form the filter element 7.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来のフィルタエレメント7の濾過材1は襞折り状をなし
ているため、折り山5方向に沿う端縁2aは成形型内の
成形空間と平行に配置され枠部材3内に埋設されやすい
が、波形状をなす端縁2bは成形空間内で不安定に配置
される。このため、成形空間内に樹脂が射出されると樹
脂の流動によって、前記不安定な端縁2bにはよじれや
倒れが生じ、枠部材3内に十分に埋設されず、濾過材1
が枠部材3に十分に保持されない虞がある。However, since the filter medium 1 of the conventional filter element 7 has a folded shape, the edge 2a along the direction of the fold 5 is parallel to the molding space in the molding die. Although it is easy to be arranged and buried in the frame member 3, the edge 2b having a wavy shape is unstablely arranged in the molding space. For this reason, when the resin is injected into the molding space, the unstable flow of the resin causes the unstable edge 2b to be kinked or collapsed, and is not sufficiently buried in the frame member 3 so that the filtering material 1 is not buried.
May not be sufficiently held by the frame member 3.
【0006】殊に、フィルタエレメント7の前後におい
て差圧が大きな箇所に、濾過材1の保持力が低いフィル
タエレメント7が設置された場合には、濾過材1の一部
が枠部材3から抜け出してしまう。よって、フィルタエ
レメント7の一部に漏れが発生し、濾過されない流体が
クリーンサイドに流れて不純物が完全に除去されないと
いう問題があった。[0006] In particular, when the filter element 7 having a low holding force of the filter medium 1 is installed at a place where the pressure difference is large before and after the filter element 7, a part of the filter medium 1 comes out of the frame member 3. Would. Therefore, there is a problem that a leak occurs in a part of the filter element 7 and the fluid that is not filtered flows to the clean side and impurities are not completely removed.
【0007】本発明はかかる従来の課題に鑑みて成され
たものであり、濾過材が枠部材に十分保持され良好なフ
ィルタ機能が得られるフィルタエレメント構造を提供す
ることを目的とする。The present invention has been made in view of such conventional problems, and has as its object to provide a filter element structure in which a filter medium is sufficiently held by a frame member and a good filter function can be obtained.
【0008】[0008]
【課題を解決するための手段】前記目的を達成するため
に本発明のフィルタエレメント構造は、襞折りされた濾
過材の外周端縁が樹脂製の枠部材に埋設されて一体に成
形されたフィルタエレメントにおいて、前記枠部材は、
前記濾過材の波形状をなす端縁が埋設される枠部材の部
位に、外側枠部と内側枠部とを間隔を隔てて備え、前記
濾過材は内側枠部を貫通して外側枠部に埋設されている
ことを特徴とする。In order to achieve the above object, a filter element structure according to the present invention is a filter element in which the outer peripheral edge of a folded filter material is embedded in a resin frame member and integrally formed. In the element, the frame member includes:
At the portion of the frame member in which the wavy edge of the filtering material is embedded, an outer frame portion and an inner frame portion are provided at an interval, and the filtering material penetrates the inner frame portion to the outer frame portion. It is characterized by being buried.
【0009】以上の構成によれば、濾過材の波形状をな
す端縁が埋設される外側枠部と内側枠部とは、間隔を隔
てられているので、成形型にはそれらの成形空間を分け
る部位が存在する。一方、濾過材は内側枠部を貫通して
外側枠部に埋設されるので、外側枠部を形成する空間
と、内側枠部を形成する空間とに跨るように配設され
る。即ち、外側枠部を形成する空間と、内側枠部を形成
する空間とに跨るように配設された濾過材は、それらの
空間を分かつ部位で抑えられることになる。この状態
で、成形型内に樹脂が充填されて内側枠部と外側枠部と
が形成されるので、濾過材は成形型に押さえられ樹脂の
流動によってよじれや倒れを生じさせることなく枠部材
内に埋設させ、強固に保持することができる。According to the above construction, since the outer frame portion and the inner frame portion in which the corrugated edges of the filter medium are buried are spaced apart from each other, the molding space is formed in the molding die. There is a part that separates. On the other hand, since the filtering material penetrates the inner frame portion and is embedded in the outer frame portion, it is disposed so as to straddle the space forming the outer frame portion and the space forming the inner frame portion. In other words, the filtering material provided so as to straddle the space forming the outer frame portion and the space forming the inner frame portion is able to divide these spaces by the divided parts. In this state, the resin is filled in the molding die to form the inner frame portion and the outer frame portion, so that the filtering material is pressed by the molding die and does not twist or fall due to the flow of the resin. And can be firmly held.
【0010】したがって、このフィルタエレメントがそ
の前後で差圧が大きな箇所に設置されたとしても、濾過
材と枠部材との間で漏れが生じることなく良好なフィル
タ機能を得ることができる。Therefore, even if this filter element is installed at a place where the pressure difference is large before and after the filter element, a good filter function can be obtained without leakage between the filter medium and the frame member.
【0011】[0011]
【発明の実施の形態】以下、この発明の好適な一実施の
形態を図1乃至図3を用いて詳細に説明する。図1は本
発明の一実施形態を示す斜視図、図2は図1の側断面
図、図3は図1の平面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a side sectional view of FIG. 1, and FIG. 3 is a plan view of FIG.
【0012】本実施形態のフィルタエレメント10は、
複数の折り山が形成され襞折り状をなし平面視ほぼ正方
形状の濾過材11と、その外周端縁12,19が埋設さ
れフィルタエレメント10の外形を形成する枠部材13
とで構成されている。The filter element 10 of the present embodiment is
A filter member 11 which has a plurality of folds and is formed in a fold and fold shape and has a substantially square shape in plan view, and a frame member 13 having outer peripheral edges 12 and 19 embedded therein to form an outer shape of the filter element 10.
It is composed of
【0013】前記枠部材13は、前記濾過材11を囲み
ほぼ正方形状をなし、その一方の対辺側には濾過材11
の折り山14と平行な端縁12が埋設され、他方の対辺
側には折り山14と直角方向をなす波形状の端縁19が
埋設される。The frame member 13 surrounds the filter medium 11 and has a substantially square shape.
An edge 12 parallel to the fold 14 is embedded, and a wave-shaped edge 19 perpendicular to the fold 14 is embedded on the other opposite side.
【0014】この波形状の両端縁19が埋設される枠部
材13の部位13aにはそれぞれ、その部位13aと平
行なスリット16が設けられ、その両側に外側枠部17
と内側枠部18とが形成されている。そして、濾過材1
1の波形状をなす端縁19は内側枠部18とスリット1
6とを貫通して外側枠部17に至るように設けられ、内
側枠部18と外側枠部17とによって濾過材11が保持
されている。Each of the portions 13a of the frame member 13 in which both end edges 19 of the corrugated shape are buried are provided with slits 16 parallel to the portions 13a, and the outer frame portions 17 are provided on both sides thereof.
And an inner frame portion 18 are formed. And filtration material 1
The edge 19 having the wavy shape is formed by the inner frame portion 18 and the slit 1.
6 is provided so as to reach the outer frame portion 17, and the filtering material 11 is held by the inner frame portion 18 and the outer frame portion 17.
【0015】即ち、枠部材13の内側は濾過材11によ
って閉塞され、濾過材11と枠部材13とが一体に形成
されている。That is, the inside of the frame member 13 is closed by the filter member 11, and the filter member 11 and the frame member 13 are formed integrally.
【0016】そして、このフィルタエレメント10は、
上下方向に2つに分割される成形型を用いて、枠部材1
3と濾過材11とが一体となるように射出成形される。The filter element 10
A frame member 1 is formed by using a mold that is divided into two in the vertical direction.
3 and the filter medium 11 are injection-molded so as to be integrated.
【0017】この上下の成形型は重ね合わせた状態で、
その内部に枠部材13が成形される成形空間が形成され
るが、重ね合わせられる前に、下側成形型上に濾過材1
1が載置される。このとき濾過材11は、その外周縁部
12,19が成形空間内に入り込むように配置され、そ
の後上側成形型が重ね合わせられる。The upper and lower molds are superposed,
A molding space in which the frame member 13 is molded is formed therein, but before being overlapped, the filtering material 1 is placed on the lower molding die.
1 is placed. At this time, the filter medium 11 is arranged so that the outer peripheral edges 12, 19 enter the molding space, and then the upper mold is overlapped.
【0018】このとき、外側枠部17と内側枠部18と
の間にスリット16を形成するための突部が成形型には
設けられている。このため、成形型内に配置された濾過
材11は内側枠部18を形成する空間と外側枠部17を
形成する空間との間で前記突部によって押さえられてい
る。At this time, a projection for forming a slit 16 between the outer frame portion 17 and the inner frame portion 18 is provided in the molding die. For this reason, the filter medium 11 arranged in the molding die is pressed by the projection between the space forming the inner frame 18 and the space forming the outer frame 17.
【0019】この状態で、成形空間内に射出された樹脂
が充満し、冷却された後に脱型されて、フィルタエレメ
ント10が形成される。In this state, the resin injected into the molding space is filled, cooled, and then removed from the mold to form the filter element 10.
【0020】即ち、成形空間内に樹脂が射出される際に
は、濾過材11の波形状の端縁19が成形型に押さえら
れているので、樹脂の流動によってよじれや倒れを生じ
させることなく枠部材13内にその端縁19を埋設さ
せ、強固に保持することができる。That is, when the resin is injected into the molding space, the corrugated edge 19 of the filter medium 11 is pressed by the molding die. The edge 19 can be buried in the frame member 13 and held firmly.
【0021】このフィルタエレメント10は、図2に示
すように枠部材13の外面20に設けられている取付部
21によってエアーフィルタのケーシングやその他のフ
ィルタハウジング等に取り付けられ、気体や液体を矢印
方向に通過させて濾過し、それらを清浄する。このと
き、フィルタエレメント10が設置された前後の空間に
おいて、大きな圧力差が生じたとしても、濾過材11は
枠部材13に強固に保持されているので、それらの間に
漏れが発生することはない。As shown in FIG. 2, the filter element 10 is attached to a casing of an air filter or another filter housing by an attaching portion 21 provided on the outer surface 20 of the frame member 13 so that gas or liquid is supplied in the direction of the arrow. And filter them to clear them. At this time, even if a large pressure difference occurs in the space before and after the filter element 10 is installed, since the filter medium 11 is firmly held by the frame member 13, it is unlikely that leakage occurs between them. Absent.
【0022】特に、濾過材11は内側枠部18の外側で
成形型に押さえられるので、内側枠部18では濾過材1
1が確実に保持される。よって、内側枠部18と外側枠
部17との間のスリットを貫通させることなく閉塞し、
内側枠部18の内側だけをフィルタとして機能させる
と、より確実な清浄作用が得られる。In particular, since the filter medium 11 is pressed by the mold outside the inner frame portion 18, the filter medium 1 is
1 is securely held. Accordingly, the slit between the inner frame portion 18 and the outer frame portion 17 is closed without penetrating,
When only the inside of the inner frame portion 18 functions as a filter, a more reliable cleaning action can be obtained.
【0023】[0023]
【発明の効果】以上の構成によれば、濾過材は、成形さ
れるフィルタエレメントの枠部材に設けられた内側枠部
を貫通して外側枠部に埋設されるので、成形時には成形
型に設けられた内側枠部と外側枠部とを分ける部位によ
って濾過材が押さえられる。よって、濾過材は樹脂の流
動によってよじれや倒れを生じることなく強固に保持さ
れ、できあがったフィルタエレメントは漏れを生じるこ
となく、良好なフィルタ機能を備えることができる。According to the above construction, the filter material is embedded in the outer frame portion through the inner frame portion provided in the frame member of the filter element to be formed. The filtering material is held down by the portion that separates the inner frame portion and the outer frame portion. Therefore, the filter medium is firmly held without kinking or falling due to the flow of the resin, and the completed filter element can have a good filter function without causing leakage.
【図1】この発明によるフィルタエレメントの一実施形
態を示す斜視図である。FIG. 1 is a perspective view showing one embodiment of a filter element according to the present invention.
【図2】同フィルタエレメントの側断面図である。FIG. 2 is a side sectional view of the filter element.
【図3】同フィルタエレメントの平面図である。FIG. 3 is a plan view of the filter element.
【図4】従来のフィルタエレメントを示す斜視図であ
る。FIG. 4 is a perspective view showing a conventional filter element.
【図5】従来のフィルタエレメントの側断面図である。FIG. 5 is a side sectional view of a conventional filter element.
【図6】従来のフィルタエレメントの平面図である。FIG. 6 is a plan view of a conventional filter element.
10 フィルタエレメント 11 濾過材 12 端縁(外周端縁) 13 枠部材 16 スリット 17 外側枠部 18 内側枠部 19 端縁(外周端縁) DESCRIPTION OF SYMBOLS 10 Filter element 11 Filter material 12 Edge (outer edge) 13 Frame member 16 Slit 17 Outer frame 18 Inner frame 19 Edge (outer edge)
Claims (1)
の枠部材に埋設されて一体に成形されたフィルタエレメ
ントにおいて、 前記枠部材は、前記濾過材の波形状をなす端縁が埋設さ
れる枠部材の部位に、外側枠部と内側枠部とを間隔を隔
てて備え、前記濾過材は内側枠部を貫通して外側枠部に
埋設されていることを特徴とするフィルタエレメント構
造。1. A filter element in which an outer peripheral edge of a folded filter material is embedded in a resin frame member and integrally formed, wherein the frame member has a wavy edge of the filter material. A filter element, wherein an outer frame portion and an inner frame portion are provided at an interval at a portion of a frame member to be buried, and the filter material penetrates the inner frame portion and is buried in the outer frame portion. Construction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001112845A JP4664519B2 (en) | 2001-04-11 | 2001-04-11 | Filter element structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001112845A JP4664519B2 (en) | 2001-04-11 | 2001-04-11 | Filter element structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002306909A true JP2002306909A (en) | 2002-10-22 |
JP4664519B2 JP4664519B2 (en) | 2011-04-06 |
Family
ID=18964173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001112845A Expired - Fee Related JP4664519B2 (en) | 2001-04-11 | 2001-04-11 | Filter element structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4664519B2 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5184461A (en) * | 1975-01-21 | 1976-07-23 | Nippon Denso Co | Rokaerementooyobi sonoseizohoho |
JPH0235908A (en) * | 1988-07-22 | 1990-02-06 | Nitta Ind Corp | Air filter and its manufacture |
JPH0677809U (en) * | 1993-04-17 | 1994-11-01 | 日本無機株式会社 | Air filter |
JPH07502452A (en) * | 1991-12-31 | 1995-03-16 | ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー | Filter device for filtering fluids |
JPH09234327A (en) * | 1996-02-29 | 1997-09-09 | Tenetsukusu:Kk | Production of air cleaning filter |
JPH1085519A (en) * | 1996-08-13 | 1998-04-07 | Carl Freudenberg:Fa | Filter element and manufacture thereof |
JP2000317237A (en) * | 1999-05-07 | 2000-11-21 | Tokyo Roki Co Ltd | Filter element |
-
2001
- 2001-04-11 JP JP2001112845A patent/JP4664519B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5184461A (en) * | 1975-01-21 | 1976-07-23 | Nippon Denso Co | Rokaerementooyobi sonoseizohoho |
JPH0235908A (en) * | 1988-07-22 | 1990-02-06 | Nitta Ind Corp | Air filter and its manufacture |
JPH07502452A (en) * | 1991-12-31 | 1995-03-16 | ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー | Filter device for filtering fluids |
JPH0677809U (en) * | 1993-04-17 | 1994-11-01 | 日本無機株式会社 | Air filter |
JPH09234327A (en) * | 1996-02-29 | 1997-09-09 | Tenetsukusu:Kk | Production of air cleaning filter |
JPH1085519A (en) * | 1996-08-13 | 1998-04-07 | Carl Freudenberg:Fa | Filter element and manufacture thereof |
JP2000317237A (en) * | 1999-05-07 | 2000-11-21 | Tokyo Roki Co Ltd | Filter element |
Also Published As
Publication number | Publication date |
---|---|
JP4664519B2 (en) | 2011-04-06 |
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