JP2014151283A - Cylindrical filter element, and method of manufacturing the cylindrical filter element - Google Patents

Cylindrical filter element, and method of manufacturing the cylindrical filter element Download PDF

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JP2014151283A
JP2014151283A JP2013023732A JP2013023732A JP2014151283A JP 2014151283 A JP2014151283 A JP 2014151283A JP 2013023732 A JP2013023732 A JP 2013023732A JP 2013023732 A JP2013023732 A JP 2013023732A JP 2014151283 A JP2014151283 A JP 2014151283A
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filter element
cylindrical
seal
cylindrical filter
panel
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JP6163775B2 (en
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Osamu Moriyama
修 森山
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Toyota Boshoku Corp
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    • 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
    • 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
    • B01D46/103—Curved filtering elements
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • 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
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/203—Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

PROBLEM TO BE SOLVED: To commonalize a component with a panel-type filter element.SOLUTION: A cylindrical filter element 10 includes a filter part 20 and a seal part 30. The filter part 20 of the cylindrical filter element 10 is formed by rolling up a folded panel-like filter material in a cylindrical shape. Each ridge line of folds 21 is in parallel to a central axis C. The seal part 30 of the cylindrical filter element 10 includes: annular parts 33, 34 fixed to inner circumference edges 23, 24 on both ends in an axial direction Z of the filter part 20; and connection parts 35 which are formed integrally with both of the annular parts 33, 34 and are fixed to inner circumferential edges 25 on both ends in a circumferential direction X of the filter part 20. The pair of connection parts 35 of the seal part 30 are joined to each other.

Description

本発明は、菊花型と称される筒型のフィルタエレメント及びその製造方法に関する。   The present invention relates to a cylindrical filter element called a chrysanthemum type and a method for manufacturing the same.

従来、エンジンのエアクリーナに用いられるフィルタエレメントとして種々の形状が提案されている（例えば特許文献１や特許文献２参照）。
特許文献１には、パネル型のフィルタエレメントが開示されている。このフィルタエレメントは、襞折りされた濾材からなるパネル状の濾過部を備えている。また、濾過部の外周にはウレタン樹脂からなるシール部が設けられている。 Conventionally, various shapes have been proposed as filter elements used in engine air cleaners (see, for example, Patent Document 1 and Patent Document 2).
Patent Document 1 discloses a panel-type filter element. This filter element is provided with a panel-shaped filtration part made of a filter material folded in a folded manner. In addition, a seal portion made of urethane resin is provided on the outer periphery of the filtration portion.

また、特許文献２には、円筒型のフィルタエレメントが開示されている。このフィルタエレメントは、襞折りされた濾材からなる円筒状の濾過部を備えており、襞の各稜線が中心軸線と平行とされている。濾過部の内周には周壁に多数の孔が形成された内筒体が設けられている。また、濾過部の外周には周壁に多数の孔が形成された外筒体が設けられている。また、濾過部、内筒部、及び外筒部の軸線方向の端部にはそれらの端部を一体に覆うように環状の蓋体がそれぞれ取り付けられている。   Patent Document 2 discloses a cylindrical filter element. This filter element is provided with a cylindrical filtering portion made of a filter material folded in a scissors, and each ridge line of the scissors is parallel to the central axis. An inner cylindrical body having a large number of holes in the peripheral wall is provided on the inner periphery of the filtration portion. In addition, an outer cylinder having a large number of holes in the peripheral wall is provided on the outer periphery of the filtration portion. Moreover, the cyclic | annular cover body is each attached to the edge part of the axial direction of a filtration part, an inner cylinder part, and an outer cylinder part so that those edge parts may be covered integrally.

特開昭５５―１５９８２２号公報JP 55-159822 A 特開２００５−１９４９５２号公報JP 2005-194952 A

ところで、フィルタエレメントの形状や大きさはエアクリーナに要求される性能や搭載上の制約等によって決められる。そのため、こうした要求を満足するために、形状や大きさの異なるフィルタエレメントを製造する必要がある。しかしながら、前述したように、異なる形状のフィルタエレメントを製造するためには、専用の部品や製造ラインが必要となることから、部品管理が煩雑になるといった問題や、多くの製造ラインが必要となるといった問題が生じる。   By the way, the shape and size of the filter element are determined by the performance required for the air cleaner and the restrictions on mounting. Therefore, in order to satisfy these requirements, it is necessary to manufacture filter elements having different shapes and sizes. However, as described above, in order to manufacture filter elements having different shapes, dedicated parts and production lines are required, and therefore, problems such as complicated parts management and many production lines are required. Problems arise.

本発明の目的は、パネル型のフィルタエレメントとの部品の共通化を図ることができる筒型のフィルタエレメント及びその製造方法を提供することにある。   An object of the present invention is to provide a cylindrical filter element that can share parts with a panel type filter element, and a method for manufacturing the same.

上記目的を達成するための筒型のフィルタエレメントは、襞折りされたパネル状の濾材が筒状に丸められてなり、襞の各稜線が中心軸線と平行をなす濾過部と、濾過部の軸線方向における両端の内周縁に固設された環状部と、環状部の双方と一体とされ、濾過部の周方向における両端の内周縁に固設された連結部とからなるシール部と、を備え、連結部の双方は互いに接合されている。   A cylindrical filter element for achieving the above object is obtained by rolling a panel-shaped filter material that is folded into a cylindrical shape, each ridge line of the ridge being parallel to the central axis, and the axis of the filtration section An annular portion fixed to the inner peripheral edge at both ends in the direction, and a seal portion formed integrally with both of the annular portions and a connecting portion fixed to the inner peripheral edge at both ends in the circumferential direction of the filtration portion. Both of the connecting portions are joined to each other.

同構成によれば、濾過部の厚さ方向における一端の外周縁にシール部が設けられたパネル型のフィルタエレメントを、濾過部の襞の各稜線が中心軸線と平行となるようにシール部を内周側にして筒状に丸めることで、濾過部の軸線方向における両端の内周縁にシール部を構成する環状部が形成される。このため、パネル型のフィルタエレメントを無理なく容易に筒状に丸めることができる。また、丸められたシール部の周方向における一対の端部が互いに接合されることで、シール部を構成する連結部が形成されるため、シール部の接合面積が小さくて済む。従って、パネル型のフィルタエレメントから筒型のフィルタエレメントを容易に製造することができる。   According to this configuration, the panel-type filter element provided with a seal portion on the outer peripheral edge of one end in the thickness direction of the filtration portion is arranged so that each ridge line of the ridge of the filtration portion is parallel to the central axis. By rounding into a cylindrical shape on the inner peripheral side, an annular portion constituting the seal portion is formed on the inner peripheral edge at both ends in the axial direction of the filtration portion. For this reason, the panel type filter element can be easily rounded into a cylindrical shape without difficulty. Moreover, since the connection part which comprises a seal part is formed by mutually joining a pair of edge part in the circumferential direction of the rounded seal part, the joining area of a seal part may be small. Therefore, a cylindrical filter element can be easily manufactured from a panel type filter element.

また、上記目的を達成するための筒型のフィルタエレメントの製造方法は、襞折りされた濾材からなるパネル状の濾過部と、濾過部の厚さ方向における一端の外周縁に固着されたシール部と、を備えるパネル型のフィルタエレメントを、濾過部の襞の各稜線が中心軸線と平行となるようにシール部を内周側にして筒状に丸める第１工程と、筒状に丸められたシール部の周方向における一対の端部を互いに接合する第２工程と、を備える。   Moreover, the manufacturing method of the cylindrical filter element for achieving the said objective is the panel-shaped filtration part which consists of a filter material folded by folding, and the seal part fixed to the outer periphery of the end in the thickness direction of a filtration part And a first step of rounding the panel-type filter element into a cylindrical shape with the seal portion being on the inner peripheral side so that each ridge line of the filter portion is parallel to the central axis, and rounded into a cylindrical shape A second step of joining the pair of end portions in the circumferential direction of the seal portion to each other.

同方法によれば、パネル型のフィルタエレメントを筒状に丸め、そのシール部の周方向における一対の端部を互いに接合することによって、筒型のフィルタエレメントを製造することができる。ここで、シール部は濾過部の厚さ方向における一端の外周縁に設けられており、第１工程では、濾過部の襞の各稜線が中心軸線と平行となるようにシール部を内周側にしてパネル型のフィルタエレメントが筒状に丸められる。このため、パネル型のフィルタエレメントを無理なく容易に筒状に丸めることができる。また、第２工程では、筒状に丸められたシール部の周方向における一対の端部が互いに接合されるため、シール部の接合面積が小さくて済む。従って、パネル型のフィルタエレメントから筒型のフィルタエレメントを容易に製造することができる。   According to this method, a cylindrical filter element can be manufactured by rounding a panel type filter element into a cylindrical shape and joining a pair of end portions in the circumferential direction of the seal portion to each other. Here, the seal part is provided on the outer peripheral edge of one end in the thickness direction of the filtration part. In the first step, the seal part is arranged on the inner peripheral side so that each ridge line of the ridge of the filtration part is parallel to the central axis. Thus, the panel type filter element is rounded into a cylindrical shape. For this reason, the panel type filter element can be easily rounded into a cylindrical shape without difficulty. Further, in the second step, since the pair of end portions in the circumferential direction of the seal portion rounded into a cylindrical shape are joined to each other, the joining area of the seal portion can be small. Therefore, a cylindrical filter element can be easily manufactured from a panel type filter element.

本発明によれば、パネル型のフィルタエレメントとの部品の共通化を図ることができる。   According to the present invention, it is possible to share parts with a panel type filter element.

一実施形態の円筒型のフィルタエレメントの斜視構造を示す斜視図。The perspective view which shows the perspective structure of the cylindrical filter element of one Embodiment. 同実施形態の円筒型のフィルタエレメントの断面構造を示す断面図。Sectional drawing which shows the cross-section of the cylindrical filter element of the embodiment. 同実施形態の円筒型のフィルタエレメントの素材であるパネル型のフィルタエレメントの斜視構造を示す斜視図。The perspective view which shows the perspective structure of the panel type filter element which is the raw material of the cylindrical filter element of the embodiment. 同実施形態の芯部材の断面構造を示す断面図。Sectional drawing which shows the cross-section of the core member of the embodiment. （ａ）〜（ｃ）は同実施形態の円筒型のフィルタエレメントの製造工程をそれぞれ示す正面図。(A)-(c) is a front view which each shows the manufacturing process of the cylindrical filter element of the embodiment.

以下、図１〜図５を参照して、筒型のフィルタエレメント及びその製造方法の一実施形態について説明する。
図１及び図２に示すように、円筒型のフィルタエレメント１０は、円筒状をなす濾過部２０、シール部３０、及び芯部材４０を備えている。濾過部２０及びシール部３０は図３に示すパネル型のフィルタエレメント１１０から製造されるものである。 Hereinafter, with reference to FIGS. 1-5, one Embodiment of a cylindrical filter element and its manufacturing method is described.
As shown in FIGS. 1 and 2, the cylindrical filter element 10 includes a filtering part 20, a sealing part 30, and a core member 40 that form a cylindrical shape. The filtration part 20 and the seal part 30 are manufactured from the panel type filter element 110 shown in FIG.

ここで、パネル型のフィルタエレメント１１０について説明する。
図３に示すように、パネル型のフィルタエレメント１１０は、襞折りされた濾材からなるパネル状の濾過部１２０と、濾過部１２０の厚さ方向Ｙにおける一端の外周縁１２９の全周に固着された可撓性を有するシール部１３０と、を備えている。尚、シール部１３０を例えばウレタン樹脂によって形成することが好ましい。 Here, the panel type filter element 110 will be described.
As shown in FIG. 3, the panel-type filter element 110 is fixed to the entire periphery of a panel-shaped filter part 120 made of a folded filter material and an outer peripheral edge 129 at one end in the thickness direction Y of the filter part 120. And a flexible seal portion 130. In addition, it is preferable to form the seal part 130 with a urethane resin, for example.

図２に示すように、円筒型のフィルタエレメント１０の濾過部２０及びシール部３０は、図３に示すパネル型のフィルタエレメント１１０がシール部１３０を内周側にして円筒状に丸められることにより形成されている。濾過部２０の襞２１の各稜線は中心軸線Ｃと平行とされている。   As shown in FIG. 2, the filter part 20 and the seal part 30 of the cylindrical filter element 10 are formed by the panel-type filter element 110 shown in FIG. 3 being rounded into a cylindrical shape with the seal part 130 on the inner peripheral side. Is formed. Each ridge line of the ridge 21 of the filtration unit 20 is parallel to the central axis C.

図２に示すように、シール部３０は、濾過部２０の軸線方向Ｚにおける両端の内周縁２３、２４に固設された環状部３３、３４と、環状部３３、３４の双方と一体とされ、濾過部２０の周方向Ｘにおける両端の内周縁２５に固設された連結部３５とを備えている。尚、図２においては、一方の内周縁２５及び連結部３５のみが示されている。   As shown in FIG. 2, the seal portion 30 is integrated with both the annular portions 33 and 34 fixed to the inner peripheral edges 23 and 24 at both ends in the axial direction Z of the filtration portion 20, and both the annular portions 33 and 34. And a connecting portion 35 fixed to the inner peripheral edge 25 at both ends in the circumferential direction X of the filtering portion 20. In FIG. 2, only one inner peripheral edge 25 and the connecting portion 35 are shown.

図１、図２、及び図４に示すように、芯部材４０は、円筒状をなす外側シール部４１、有底円筒状をなす閉塞部４２、及び外側シール部４１と閉塞部４２の周壁とを連結する直線状の連結部４３とを備えている。   As shown in FIGS. 1, 2, and 4, the core member 40 includes a cylindrical outer seal portion 41, a bottomed cylindrical closure portion 42, and the outer seal portion 41 and the peripheral wall of the closure portion 42. And a linear connecting portion 43 for connecting the two.

図２に示すように、外側シール部４１はシール部３０を構成する一方の環状部３３に外挿されており、円筒型のフィルタエレメント１０を覆うハウジング５０の内周面に圧接されることで同ハウジング５０と同環状部３３との間をシールする。   As shown in FIG. 2, the outer seal portion 41 is extrapolated to one annular portion 33 constituting the seal portion 30, and is pressed against the inner peripheral surface of the housing 50 that covers the cylindrical filter element 10. The space between the housing 50 and the annular portion 33 is sealed.

閉塞部４２は、シール部３０を構成する他方の環状部３４に外挿されており、同環状部３４の開口を閉塞する。
尚、外側シール部４１のハウジング５０に圧接されるシール部位をシール性を有する軟質の樹脂材料によって形成し、同シール部位以外の芯部材４０の他の部位を形状保持性を有する材料、例えば同シール部位よりも硬質の樹脂材料によって形成することが好ましい。 The closing part 42 is extrapolated to the other annular part 34 constituting the seal part 30 and closes the opening of the annular part 34.
In addition, the sealing part press-contacted to the housing 50 of the outer seal part 41 is formed of a soft resin material having a sealing property, and other parts of the core member 40 other than the sealing part are made of a material having a shape retaining property, for example, the same. It is preferable to form with a resin material harder than the seal part.

次に、図５を参照して、円筒型のフィルタエレメント１０を製造する手順について説明する。
円筒型のフィルタエレメント１０を製造する際には、まず、図５（ａ）に示すパネル型のフィルタエレメント１１０を、図５（ｂ）に示すように、濾過部１２０の襞１２１の各稜線が中心軸線Ｃと平行となるようにシール部１３０を内周側にして円筒状に丸める（第１工程）。 Next, a procedure for manufacturing the cylindrical filter element 10 will be described with reference to FIG.
When the cylindrical filter element 10 is manufactured, first, the panel-type filter element 110 shown in FIG. 5 (a) is replaced with each ridgeline of the ridge 121 of the filtration unit 120 as shown in FIG. 5 (b). The seal portion 130 is rounded into a cylindrical shape so as to be parallel to the central axis C (first step).

次に、濾過部１２０及びシール部１３０の内周側に芯部材４０を配置し、芯部材４０の外側シール部４１及び閉塞部４２に、図２に示すシール部３０の環状部３３、３４となるシール部１３０の各部位を内挿する。   Next, the core member 40 is disposed on the inner peripheral side of the filtration part 120 and the seal part 130, and the annular parts 33 and 34 of the seal part 30 shown in FIG. Each part of the seal part 130 is inserted.

最後に、図５（ｃ）に示すように、円筒状に丸められたシール部１３０の周方向における一対の端部１３５、１３６を接着剤によって互いに接合する（第２工程）。従って、図２及び図５（ｃ）に示すように、円筒型のフィルタエレメント１０のシール部３０の一対の連結部３５、３６は互いに接合されている。   Finally, as shown in FIG. 5C, the pair of end portions 135 and 136 in the circumferential direction of the seal portion 130 rounded into a cylindrical shape are joined to each other with an adhesive (second step). Therefore, as shown in FIGS. 2 and 5C, the pair of connecting portions 35 and 36 of the seal portion 30 of the cylindrical filter element 10 are joined to each other.

次に、本実施形態の作用について説明する。
パネル型のフィルタエレメント１１０のシール部１３０は濾過部１２０の厚さ方向Ｙにおける一端の外周縁１２９に設けられている。また、第１工程では、濾過部１２０の襞１２１の各稜線が中心軸線Ｃと平行となるようにシール部１３０を内周側にしてパネル型のフィルタエレメント１１０が円筒状に丸められる。このため、シール部１３０のうち、シール部３０の環状部３３、３４となる部位だけを丸めればよいことから、パネル型のフィルタエレメント１１０を無理なく容易に円筒状に丸めることができる。このようにして濾過部２０の軸線方向Ｚにおける両端の内周縁２３、２４にシール部３０を構成する環状部３３、３４が形成される。 Next, the operation of this embodiment will be described.
The seal part 130 of the panel type filter element 110 is provided on the outer peripheral edge 129 of one end in the thickness direction Y of the filtration part 120. Further, in the first step, the panel-type filter element 110 is rounded into a cylindrical shape with the seal portion 130 on the inner peripheral side so that each ridge line of the flange 121 of the filtration portion 120 is parallel to the central axis C. For this reason, since only the part which becomes the annular parts 33 and 34 of the seal | sticker part 30 should just be rounded among the seal | sticker parts 130, the panel type filter element 110 can be rounded to a cylindrical shape easily without difficulty. In this way, the annular portions 33 and 34 constituting the seal portion 30 are formed on the inner peripheral edges 23 and 24 at both ends in the axial direction Z of the filtration portion 20.

また、第２工程では、円筒状に丸められたシール部１３０の周方向における一対の端部１３５、１３６が互いに接合されることによって、円筒型のフィルタエレメント１０のシール部３０を構成する連結部３５、３６が形成される。このため、パネル型のフィルタエレメントのシール部が濾過部の外周面全体に設けられた構成に比べて、シール部３０の接合面積が小さくて済む。   In the second step, the pair of end portions 135 and 136 in the circumferential direction of the seal portion 130 rounded into a cylindrical shape are joined to each other, so that the connecting portion constituting the seal portion 30 of the cylindrical filter element 10 is joined. 35 and 36 are formed. For this reason, compared with the structure in which the seal part of the panel type filter element is provided on the entire outer peripheral surface of the filtration part, the joining area of the seal part 30 may be small.

また、外側シール部４１によってハウジング５０とシール部３０を構成する一方の環状部３３との間がシールされる。このため、環状に丸められて形成された環状部３３ではハウジング５０との間が好適にシールされない場合であっても、ハウジング５０との間が好適にシールされる。しかも、閉塞部４２、外側シール部４１、及び連結部４３が一体形成されているため、閉塞部材と外側シール部材とが別体とされる構成に比べてフィルタエレメント１０の部品点数が少なくなる。   Further, the outer seal portion 41 seals between the housing 50 and one annular portion 33 constituting the seal portion 30. For this reason, even if it is a case where between the housings 50 is not sealed favorably in the annular part 33 formed by being rounded, the space between the housings 50 is suitably sealed. Moreover, since the closing portion 42, the outer seal portion 41, and the connecting portion 43 are integrally formed, the number of parts of the filter element 10 is reduced as compared with the configuration in which the closing member and the outer seal member are separated.

以上説明した本実施形態に係る筒型のフィルタエレメント及びその製造方法によれば、以下に示す効果が得られるようになる。
（１）円筒型のフィルタエレメント１０の濾過部２０は、襞折りされたパネル状の濾材が円筒状に丸められてなり、襞２１の各稜線が中心軸線Ｃと平行をなしている。円筒型のフィルタエレメント１０のシール部３０は、濾過部２０の軸線方向Ｚにおける両端の内周縁２３、２４に固設された環状部３３、３４と、濾過部２０の双方と一体とされ、濾過部２０の周方向Ｘにおける両端の内周縁２５に固設された連結部３５、３６とを備えている。シール部３０の一対の連結部３５、３６は互いに接合されている。こうした構成によれば、パネル型のフィルタエレメント１１０を無理なく容易に円筒状に丸めることができる。また、丸められたシール部１３０の周方向における一対の端部１３５、１３６が互いに接合されることで、シール部３０を構成する連結部３５、３６が形成されるため、パネル型のフィルタエレメントのシール部が濾過部の外周面全体に設けられた構成に比べて、シール部３０の接合面積が小さくて済む。従って、パネル型のフィルタエレメント１１０から円筒型のフィルタエレメント１０を容易に製造することができ、パネル型のフィルタエレメント１１０との部品の共通化を図ることができる。 According to the cylindrical filter element and the manufacturing method thereof according to the present embodiment described above, the following effects can be obtained.
(1) The filtering portion 20 of the cylindrical filter element 10 is formed by rounding a panel-shaped filter medium that is folded into a cylindrical shape, and each ridge line of the flange 21 is parallel to the central axis C. The seal part 30 of the cylindrical filter element 10 is integrated with both the annular parts 33 and 34 fixed to the inner peripheral edges 23 and 24 at both ends in the axial direction Z of the filtration part 20 and the filtration part 20. Connection portions 35 and 36 fixed to inner peripheral edges 25 at both ends in the circumferential direction X of the portion 20 are provided. The pair of connecting portions 35 and 36 of the seal portion 30 are joined to each other. According to such a configuration, the panel-type filter element 110 can be easily rounded into a cylindrical shape without difficulty. In addition, since the pair of end portions 135 and 136 in the circumferential direction of the rounded seal portion 130 are joined to each other, the connecting portions 35 and 36 constituting the seal portion 30 are formed. Compared to the configuration in which the seal portion is provided on the entire outer peripheral surface of the filtration portion, the bonding area of the seal portion 30 may be small. Therefore, the cylindrical filter element 10 can be easily manufactured from the panel type filter element 110, and parts can be shared with the panel type filter element 110.

（２）シール部３０を構成する一方の環状部３３には、ハウジング５０との間をシールする円筒状の外側シール部４１が外挿されている。こうした構成によれば、外側シール部４１によってハウジング５０とシール部３０を構成する一方の環状部３３との間がシールされる。このため、ハウジング５０との間を好適にシールすることができる。   (2) A cylindrical outer seal portion 41 for sealing between the housing 50 and the annular portion 33 constituting the seal portion 30 is extrapolated. With such a configuration, the outer seal portion 41 seals between the housing 50 and the one annular portion 33 constituting the seal portion 30. For this reason, the space between the housing 50 can be suitably sealed.

（３）シール部３０を構成する他方の環状部３４には、同環状部３４の開口を閉塞する閉塞部４２が外挿されている。閉塞部４２と外側シール部４１とは連結部４３を介して互いに連結されている。こうした構成によれば、閉塞部４２、外側シール部４１、及び連結部４３が一体形成されているため、閉塞部材と外側シール部材とが別体とされる構成に比べてフィルタエレメント１０の部品点数を少なくすることができる。   (3) The other annular portion 34 constituting the seal portion 30 is extrapolated with a closing portion 42 that closes the opening of the annular portion 34. The closing part 42 and the outer seal part 41 are connected to each other via a connecting part 43. According to such a configuration, since the closing portion 42, the outer seal portion 41, and the connecting portion 43 are integrally formed, the number of parts of the filter element 10 is compared with a configuration in which the closing member and the outer seal member are separated. Can be reduced.

（４）円筒型のフィルタエレメント１０の製造方法は、パネル型のフィルタエレメント１１０を、濾過部１２０の襞１２１の各稜線が中心軸線Ｃと平行となるようにシール部１３０を内周側にして円筒状に丸める第１工程と、円筒状に丸められたシール部１３０の周方向における一対の端部１３５、１３６を互いに接合する第２工程と、を備えている。こうした方法によれば、パネル型のフィルタエレメント１１０の種類の数だけ円筒型のフィルタエレメント１０を製造することが可能となるため、円筒型のフィルタエレメント１０専用の製造ラインの数を少なく抑える、或いは不要とすることができる。   (4) The manufacturing method of the cylindrical filter element 10 is such that the panel-type filter element 110 has the seal portion 130 on the inner peripheral side so that each ridge line of the flange 121 of the filtration portion 120 is parallel to the central axis C. A first step of rounding into a cylindrical shape and a second step of joining a pair of end portions 135 and 136 in the circumferential direction of the seal portion 130 rounded into a cylindrical shape are provided. According to such a method, it is possible to manufacture as many cylindrical filter elements 10 as the number of types of panel-type filter elements 110, and thus it is possible to reduce the number of production lines dedicated to the cylindrical filter elements 10 or It can be unnecessary.

尚、本発明に係る筒型のフィルタエレメント及びその製造方法は、上記実施形態にて例示した構成に限定されるものではなく、これを適宜変更した例えば次のような形態として実施することもできる。   Note that the cylindrical filter element and the manufacturing method thereof according to the present invention are not limited to the configuration exemplified in the above embodiment, and can be implemented as, for example, the following forms appropriately modified. .

・図５（ｂ）、（ｃ）に示すシール部１３０の周方向の端部１３５、１３６の一部を適宜切断するようにしてもよい。このことによって、濾過部の周方向の両端部の間の隙間が大きくなることを抑制することができる。   -You may make it cut | disconnect suitably the edge parts 135 and 136 of the circumferential direction of the seal | sticker part 130 shown to FIG.5 (b), (c). By this, it can suppress that the clearance gap between the both ends of the circumferential direction of a filtration part becomes large.

・芯部材全体をシール部位の材料、すなわち軟質の樹脂材料によって形成するようにしてもよい。また、ハウジングとの間のシール性が確保されるのであれば、芯部材全体を硬質の樹脂材料によって形成するようにしてもよい。   -You may make it form the whole core member with the material of a seal | sticker site | part, ie, a soft resin material. Further, the entire core member may be made of a hard resin material as long as the sealing property between the housing and the housing is ensured.

・芯部材４０の連結部４３を省略し、外側シール部４１と閉塞部４２とを別体としてもよい。すなわち、シール部材と閉塞部材とを別体としてもよい。
・シール部材及び閉塞部材をシール部３０の環状部３３、３４に内挿されるものとしてもよい。 The connecting portion 43 of the core member 40 may be omitted, and the outer seal portion 41 and the closing portion 42 may be separated. That is, the sealing member and the closing member may be separated.
The sealing member and the closing member may be inserted into the annular portions 33 and 34 of the sealing portion 30.

・シール部３０を構成する環状部３４が直接的にハウジングの内壁に当接されることで同環状部３４の開口が閉塞されるのであれば、閉塞部材を省略してもよい。
・シール部３０を構成する環状部３３によって直接、ハウジングとの間が好適にシールされるのであれば、シール部材を省略してもよい。 If the opening of the annular part 34 is closed by the annular part 34 constituting the seal part 30 being directly brought into contact with the inner wall of the housing, the closing member may be omitted.
As long as the space between the housing and the housing is suitably sealed directly by the annular portion 33 constituting the seal portion 30, the seal member may be omitted.

１０…円筒型のフィルタエレメント、２０…濾過部、２１…襞、２３、２４…内周縁、２５…内周縁、３０…シール部、３３、３４…環状部、３５、３６…連結部、４０…芯部材、４１…外側シール部（シール部材）、４２…閉塞部（閉塞部材）、４３…連結部、５０…ハウジング、１１０…パネル型のフィルタエレメント、１２０…濾過部、１２１…襞、１２９…外周縁、１３０…シール部、１３５、１３６…端部、Ｃ…中心軸線、Ｚ…軸線方向、Ｘ…周方向、Ｙ…厚さ方向。   DESCRIPTION OF SYMBOLS 10 ... Cylindrical filter element, 20 ... Filtration part, 21 ... Saddle, 23, 24 ... Inner periphery, 25 ... Inner periphery, 30 ... Seal part, 33, 34 ... Annular part, 35, 36 ... Connection part, 40 ... Core member, 41 ... outer seal part (seal member), 42 ... occlusion part (occlusion member), 43 ... connecting part, 50 ... housing, 110 ... panel type filter element, 120 ... filter part, 121 ... 襞, 129 ... Outer peripheral edge, 130 ... seal part, 135, 136 ... end, C ... central axis, Z ... axial direction, X ... circumferential direction, Y ... thickness direction.

Claims (5)

襞折りされたパネル状の濾材が筒状に丸められてなり、襞の各稜線が中心軸線と平行をなす濾過部と、
濾過部の軸線方向における両端の内周縁に固設された環状部と、環状部の双方と一体とされ、濾過部の周方向における両端の内周縁に固設された連結部とからなるシール部と、を備え、
連結部の双方は互いに接合されている、
筒型のフィルタエレメント。 A filter material in which the fold-folded panel-shaped filter medium is rolled into a cylinder, and each ridge line of the ridge is parallel to the central axis,
A seal part comprising an annular part fixed to the inner peripheral edge of both ends in the axial direction of the filtration part, and a connecting part integrally formed with both of the annular part and fixed to the inner peripheral edge of both ends in the circumferential direction of the filtration part And comprising
Both of the connecting parts are joined together,
A cylindrical filter element. 請求項１に記載の筒型のフィルタエレメントにおいて、
環状部の一方には、フィルタエレメントを覆うハウジングとの間をシールする筒状のシール部材が設けられている、
筒型のフィルタエレメント。 In the cylindrical filter element according to claim 1,
One of the annular portions is provided with a cylindrical sealing member that seals between the housing covering the filter element.
A cylindrical filter element. 請求項２に記載の筒型のフィルタエレメントにおいて、
環状部の他方には、同環状部の開口を閉塞する閉塞部材が設けられている、
ことを特徴とする筒型のフィルタエレメント。 In the cylindrical filter element according to claim 2,
The other of the annular part is provided with a closing member that closes the opening of the annular part.
A cylindrical filter element characterized by that. 請求項３に記載の筒型のフィルタエレメントにおいて、
シール部材と閉塞部材とは互いに連結されている、
ことを特徴とする筒型のフィルタエレメント。 In the cylindrical filter element according to claim 3,
The sealing member and the closing member are connected to each other,
A cylindrical filter element characterized by that. 襞折りされた濾材からなるパネル状の濾過部と、濾過部の厚さ方向における一端の外周縁に固着されたシール部と、を備えるパネル型のフィルタエレメントを、濾過部の襞の各稜線が中心軸線と平行となるようにシール部を内周側にして筒状に丸める第１工程と、
筒状に丸められたシール部の周方向における一対の端部を互いに接合する第２工程と、を備える、
筒型のフィルタエレメントの製造方法。 A panel-type filter element comprising a panel-shaped filter part made of a folded filter medium and a seal part fixed to the outer peripheral edge of one end in the thickness direction of the filter part. A first step of rounding into a cylindrical shape with the seal portion on the inner peripheral side so as to be parallel to the central axis;
A second step of joining together a pair of end portions in the circumferential direction of the seal portion rounded into a cylindrical shape,
A method for manufacturing a tubular filter element.
JP2013023732A 2013-02-08 2013-02-08 Cylindrical filter element and method for manufacturing cylindrical filter element Expired - Fee Related JP6163775B2 (en)

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