JPH0523508A - Oil strainer in oil pressure control system in automatic gearbox - Google Patents
Oil strainer in oil pressure control system in automatic gearboxInfo
- Publication number
- JPH0523508A JPH0523508A JP18126991A JP18126991A JPH0523508A JP H0523508 A JPH0523508 A JP H0523508A JP 18126991 A JP18126991 A JP 18126991A JP 18126991 A JP18126991 A JP 18126991A JP H0523508 A JPH0523508 A JP H0523508A
- Authority
- JP
- Japan
- Prior art keywords
- strainer
- oil
- main body
- iron powder
- fitted
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は自動変速機の油圧制御系
における油ストレーナに係り、回転部材または揺動部材
などから発生する金属表面から発生する初期磨耗微鉄粉
を濾過するフイルタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil strainer in a hydraulic control system of an automatic transmission, and more particularly to a filter for filtering initial wear fine iron powder generated from a metal surface generated from a rotating member or a rocking member.
【０００２】[0002]
【従来の技術】従来のこの種の自動変速機の油圧制御系
における油ストレーナは、図３に示すように、円筒形状
の金属網体１を合成樹脂にインサート成型してストレー
ナ本体２を形成し、さらに、このストレーナ本体２の上
面に開口された油流入口３の周囲に環状の嵌合頭部４を
ゴムの加硫成型し、さらに、このストレーナ本体２の底
部に形成した挿通孔５に柱状の稀土類、コバルト焼結磁
石６を圧入止着し、ストレーナ本体２の内部に底部から
磁石６を突設した構造が採られている。2. Description of the Related Art As shown in FIG. 3, an oil strainer in a conventional hydraulic control system for an automatic transmission has a strainer body 2 formed by insert-molding a cylindrical metal net body 1 into a synthetic resin. Further, an annular fitting head 4 is vulcanized and molded around the oil inflow port 3 opened on the upper surface of the strainer body 2, and the insertion hole 5 formed in the bottom of the strainer body 2 is further formed. A columnar rare earth or cobalt sintered magnet 6 is press-fitted and fixed, and the magnet 6 is provided inside the strainer body 2 so as to project from the bottom.
【０００３】そして、ストレーナ本体２の上面に形成し
た頭部４を油循環流路の鉄板に形成した油流出口部に弾
力的に嵌着し、油流入口からストレーナ本体２に流入さ
れた油に混入している鉄粉が磁石６に吸着され、また、
油に混入されている異物は網体１で濾過されて油は循環
するようにしている。Then, the head 4 formed on the upper surface of the strainer body 2 is elastically fitted to the oil outlet portion formed on the iron plate of the oil circulation passage, and the oil introduced into the strainer body 2 from the oil inlet is provided. The iron powder mixed in is absorbed by the magnet 6, and
The foreign substances mixed in the oil are filtered by the mesh body 1 so that the oil circulates.
【０００４】[0004]
【発明が解決しようとする課題】上記図３に示す従来の
構造の自動変速機の油圧制御系における油ストレーナで
は、油中の微鉄粉を吸着する磁石６は稀土類、コバルト
焼結磁石が用いられ、欠損され易く、高価であり、ま
た、稀土類、コバルト焼結磁石自体は磁力が強力でも単
に底部中央から柱状に突出してのみで、鉄粉吸着表面積
が小さく、鉄粉吸着に限界がある問題を有している。さ
らに、この従来の構造のストレーナでは、網体１をスト
レーナ本体２に組込むインサート成型、頭部４の加硫成
型および磁石５の装着とが必要で、製造工程が複雑で生
産性が悪い問題があった。また、ストレーナの装着作業
もストレーナ本体２の頭部４を油流入口３に弾力的に嵌
合する手作業が必要であるなどの問題を有している。In the oil strainer in the hydraulic control system of the automatic transmission having the conventional structure shown in FIG. 3, the magnet 6 for adsorbing the fine iron powder in the oil is a rare earth or cobalt sintered magnet. It is used, easily damaged, and expensive, and even if the rare earth or cobalt sintered magnet itself has a strong magnetic force, it only protrudes in a columnar shape from the center of the bottom, the iron powder adsorption surface area is small, and iron powder adsorption is limited. I have a problem. Further, in the strainer of this conventional structure, insert molding for incorporating the mesh body 1 into the strainer main body 2, vulcanization molding of the head 4 and mounting of the magnet 5 are required, and the manufacturing process is complicated and the productivity is poor. there were. Further, the strainer mounting work also has a problem that a manual work for elastically fitting the head 4 of the strainer body 2 to the oil inlet 3 is required.
【０００５】本発明は上記問題点に鑑みてなされたもの
で、油中に混入されている鉄粉の吸着面積を拡大するこ
とにより鉄粉の吸着量を増大でき、吸着性能を高め、ま
た、組立て部品点数を低減するとともに組立て工数を軽
減し、組立て性を向上でき、さらに、組込みも容易な自
動変速機の油圧制御系における油ストレーナを提供する
ものである。The present invention has been made in view of the above problems, and by increasing the adsorption area of iron powder mixed in oil, the adsorption amount of iron powder can be increased, the adsorption performance can be improved, and The present invention provides an oil strainer in a hydraulic control system of an automatic transmission, which can reduce the number of parts to be assembled, reduce the number of assembling steps, improve the assemblability, and can be easily assembled.
【０００６】[0006]
【課題を解決するための手段】本発明の自動変速機の油
圧制御系における油ストレーナは、自動変速機の油圧制
御系における油循環流路に接続される油ストレーナであ
って、ストレーナ本体と、このストレーナ本体に嵌合し
たメッシュ部材と、前記ストレーナ本体の下部に止着し
このストレーナ本体に嵌合された前記メッシュ部材を抜
止め保持したキャップ体とにて構成されている。そし
て、前記ストレーナ本体は、プラスチックマグネットに
て一体成型され、直径位置から左右に着磁し、上面に油
流入口を開口しかつ外周に拡径された環状の係合段部を
有する上枠部とこの上枠部に対向し底面に係止孔を開口
した下枠部およびこの上枠部と下枠部とを連結する縦枠
部とを一体に形成しこの各枠部間を油流通部としてい
る。さらに底部には鉄粉溜まり凹部を形成する。また、
前記メッシュ部材は、メッシュ線材の交差部を焼結結合
し前記ストレーナ本体の外周に嵌合される内径を有する
円筒形状に形成されている。さらに、前記キャップ体は
内面に前記ストレーナ本体の下枠部底面の係止孔に挿通
係止される鈎状係止爪を突設しかつ外面に弾性支持脚を
突設している。An oil strainer in a hydraulic control system for an automatic transmission according to the present invention is an oil strainer connected to an oil circulation flow path in a hydraulic control system for an automatic transmission, the strainer main body comprising: It is composed of a mesh member fitted to the strainer body and a cap body fixed to the lower portion of the strainer body and retaining and holding the mesh member fitted to the strainer body. The strainer body is integrally molded with a plastic magnet, is magnetized from the diametrical position to the left and right, has an oil inlet on the upper surface, and has an annular engagement step portion whose diameter is expanded to the outer periphery. And a lower frame portion facing the upper frame portion and having a locking hole opened on the bottom surface and a vertical frame portion connecting the upper frame portion and the lower frame portion are integrally formed, and an oil distribution portion is provided between the respective frame portions. I am trying. Further, an iron powder collecting recess is formed at the bottom. Also,
The mesh member is formed into a cylindrical shape having an inner diameter that is formed by sintering-bonding the intersections of the mesh wire rods and fitting the outer periphery of the strainer body. Further, the cap body is provided with a hook-shaped locking claw projecting on the inner surface thereof, which is inserted into the locking hole of the bottom surface of the lower frame portion of the strainer main body, and an elastic supporting leg is projecting on the outer surface thereof.
【０００７】[0007]
【作用】本発明の自動変速機の油圧制御系における油ス
トレーナは、ストレーナ本体の上面に形成した油流入口
からストレーナ本体内に流入された油に混入している鉄
粉がストレーナ本体に吸着され、また、油に混入されて
いる異物はメッシュ部材にて濾過されて油流通部から油
は循環する。そして、ストレーナ本体はプラスチックマ
グネットにて一体成型し、メッシュ部材を外側に嵌合し
たため、鉄粉を吸着する表面積が拡大され、底部に鉄粉
溜まり凹部を形成したことと相俟って鉄粉の吸着量を増
大でき、鉄粉吸着性能を高められ、ストレーナ本体は欠
損することがなく安価に得られる。また、ストレーナ本
体、このストレーナ本体に嵌合したメッシュ部材および
ストレーナ本体の下部に止着されるキャップ体のみで構
成され、部品点数が少なく、組立て工数も軽減される。
さらに、ストレーナ本体にメッシュ部材を嵌合すること
によりメッシュ部材の一端がストレーナ本体の外周に拡
径された環状の係合段部に係合されるとともにメッシュ
部材の他端はストレーナ本体の底面に形成した係止孔に
鈎状係止爪を挿通係止したキャップ体にて抜け止め保持
され組立ても簡単にできる。さらに、メッシュ部材は、
メッシュ線材の交差部を焼結結合しているため、ほつれ
ることがなく、耐久性が高められる。また、ストレーナ
本体は直径位置から左右に着磁したため、ストレーナ本
体を鉄板に形成した油流出口部に嵌合装着するとき鉄板
に吸着されて嵌合され、装着作業も容易で自動組立ても
可能となり、さらに、装着状態でキャップ体の弾性支持
脚が鉄板と対向する面に弾力的に支持され、装着状態が
確実に保持される。The oil strainer in the hydraulic control system of the automatic transmission according to the present invention is such that the iron powder mixed in the oil introduced into the strainer body from the oil inlet formed on the upper surface of the strainer body is adsorbed to the strainer body. Further, the foreign matter mixed in the oil is filtered by the mesh member, and the oil circulates from the oil circulation portion. Since the strainer body was integrally molded with a plastic magnet and the mesh member was fitted to the outside, the surface area for adsorbing the iron powder was enlarged, and in combination with the fact that the iron powder accumulation recess was formed at the bottom, The adsorption amount can be increased, the iron powder adsorption performance can be improved, and the strainer body can be obtained at a low cost without loss. Further, the strainer main body, the mesh member fitted to the strainer main body, and the cap body fixed to the lower portion of the strainer main body are included, so that the number of parts is small and the number of assembling steps is reduced.
Further, by fitting the mesh member to the strainer main body, one end of the mesh member is engaged with the annular engagement step portion whose diameter is expanded on the outer circumference of the strainer main body, and the other end of the mesh member is on the bottom surface of the strainer main body. It can be easily assembled even if it is assembled and retained by a cap body in which a hook-shaped locking claw is inserted and locked in the formed locking hole. Furthermore, the mesh member is
Since the intersections of the mesh wire rods are sintered and bonded together, they do not fray and durability is improved. Also, since the strainer body is magnetized to the left and right from the diameter position, when the strainer body is fitted and mounted on the oil outlet port formed on the iron plate, it is adsorbed and fitted to the iron plate, and the mounting work is easy and automatic assembly is possible. Further, the elastic support legs of the cap body are elastically supported on the surface facing the iron plate in the mounted state, and the mounted state is reliably held.
【０００８】[0008]
【実施例】次に本発明の自動変速機の油圧制御系におけ
る油ストレーナの一実施例の構成を図１および図２に基
づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the construction of an embodiment of an oil strainer in a hydraulic control system for an automatic transmission according to the present invention will be described with reference to FIGS.
【０００９】油ストレーナ10はストレーナ本体11と、こ
のストレーナ本体11に嵌合したメッシュ部材21と、前記
ストレーナ本体11の下部に止着しこのストレーナ本体11
に嵌合された前記メッシュ部材21を抜止め保持したキャ
ップ体31とにて構成されている。The oil strainer 10 is fixed to the strainer main body 11, the mesh member 21 fitted to the strainer main body 11, and the lower portion of the strainer main body 11 and is attached to the strainer main body 11.
And a cap body 31 that holds and holds the mesh member 21 fitted in.
【００１０】前記ストレーナ本体11は、６６ナイロンな
どのプラスチック材にストロンチュウムフェライトなど
の磁性体粉末を混合して成型したプラスチックマグネッ
トにて一体成型され、直径位置から左右にＮ極とＳ極と
に着磁されている。このストレーナ本体11は上面に油流
入口12を開口しかつ外周に拡径された環状の係合段部13
を有する円筒状の上枠部14とこの上枠部14に対向し底面
に係止孔15を開口した円盤状の下枠部16、環状の中間枠
部17およびこの上枠部14、中間枠部17および下枠部16と
を連結する複数の縦枠部18とが一体に形成されている。
そして、この各枠部14，16，17，18間を油流通部19とし
ている。また底部に鉄粉溜まり凹部11aを形成する。The strainer main body 11 is integrally molded with a plastic magnet made by mixing a magnetic material powder such as strontium ferrite with a plastic material such as 66 nylon, and has a north pole and a south pole from the diameter position to the left and right. Has been magnetized. The strainer main body 11 has an annular engagement step portion 13 having an oil inlet 12 opened on the upper surface and having a radially expanded outer circumference.
A cylindrical upper frame portion 14 and a disk-shaped lower frame portion 16 facing the upper frame portion 14 and having a locking hole 15 opened in the bottom surface, an annular intermediate frame portion 17 and the upper frame portion 14, the intermediate frame A plurality of vertical frame portions 18 that connect the portion 17 and the lower frame portion 16 are integrally formed.
An oil distribution portion 19 is formed between the frame portions 14, 16, 17, and 18. Further, the iron powder collecting recess 11a is formed at the bottom.
【００１１】また、前記メッシュ部材21は、例えば、Ｓ
ＵＳ＃１００などの金属メッシュ線材22の交差部を焼結
結合し前記ストレーナ本体11の外周に嵌合される内径を
有する円筒形状に形成されている。そして、このメッシ
ュ部材21はメッシュ線材22は縦横方向に交差させた構造
に限らず、メッシュ線材22を互いに傾斜させてほつれ防
止効果を高める構造とすることもできる。なお、このメ
ッシュ部材21は上下面を開口した構造について説明した
が、下面にもメッシュ線材22を張設した構造とすること
もできる。さらに、このメッシュ部材21の両端に環状材
を焼結固着してほぐれ防止を図るとともに強度を高める
こともできる。The mesh member 21 is made of, for example, S
The metal mesh wire 22 made of US # 100 or the like is formed into a cylindrical shape having an inner diameter fitted to the outer periphery of the strainer body 11 by sintering-bonding the intersecting portions. The mesh member 21 is not limited to the structure in which the mesh wire rods 22 intersect in the vertical and horizontal directions, and the mesh wire rods 22 may be inclined to each other to enhance the fray prevention effect. Although the mesh member 21 has a structure in which the upper and lower surfaces are opened, the mesh member 22 may be stretched on the lower surface. Further, an annular material may be sintered and fixed to both ends of the mesh member 21 to prevent loosening and increase the strength.
【００１２】さらに、前記キャップ体31は内面中央部に
前記ストレーナ本体11の下枠部16の底面に形成した係止
孔15に挿通係止される鈎状係止爪33が突設されている。
また、このキャップ体31は外面に弾性支持脚34が突設さ
れている。Further, the cap body 31 has a hook-shaped locking claw 33 projecting at the center of the inner surface thereof, which is inserted and locked in a locking hole 15 formed in the bottom surface of the lower frame portion 16 of the strainer body 11. ..
Further, elastic support legs 34 are provided on the outer surface of the cap body 31 so as to project therefrom.
【００１３】次にこの実施例の作用を説明する。Next, the operation of this embodiment will be described.
【００１４】ストレーナ本体11の上面に形成した油流入
口12からストレーナ本体11内に流入された油に混入して
いる鉄粉がストレーナ本体11に吸着される。また、油に
混入されている異物はメッシュ部材21にて濾過されて油
流通部19から油は循環する。そして、ストレーナ本体11
はプラスチックマグネットにて一体成型し、メッシュ部
材21が外側に嵌合されているため、鉄粉を吸着する表面
積が拡大される。そして、ストレーナ本体11を流れる油
にて落下される鉄粉は底部の鉄粉溜まり凹部11a に溜め
られる。さらに、この鉄粉溜まり凹部11a を形成したこ
とと相俟って鉄粉の吸着量を増大でき、鉄粉吸着性能を
高められる。Iron powder mixed in the oil introduced into the strainer body 11 through the oil inlet 12 formed on the upper surface of the strainer body 11 is adsorbed by the strainer body 11. Further, the foreign matter mixed in the oil is filtered by the mesh member 21 and the oil circulates from the oil circulation portion 19. And the strainer body 11
Is integrally molded with a plastic magnet, and since the mesh member 21 is fitted to the outside, the surface area for adsorbing iron powder is enlarged. The iron powder dropped by the oil flowing through the strainer body 11 is stored in the iron powder storage recess 11a at the bottom. Furthermore, the amount of iron powder adsorbed can be increased in combination with the formation of the iron powder reservoir recess 11a, and the iron powder adsorption performance can be improved.
【００１５】また、ストレーナ本体11はプラスチックマ
グネットにて一体成型されているため、欠損することが
なく耐久性が高められる。このストレーナ本体11に嵌合
したメッシュ部材21およびストレーナ本体11の下部に止
着されるキャップ体31のみで構成され、部品点数が少な
く、組立て工数も軽減される。Further, since the strainer main body 11 is integrally molded with the plastic magnet, the strainer main body 11 is not broken and the durability is enhanced. The strainer main body 11 is fitted only with the mesh member 21 and the cap body 31 fixed to the lower part of the strainer main body 11, and the number of parts is small and the number of assembling steps is also reduced.
【００１６】さらに、ストレーナ本体11にメッシュ部材
21を嵌合することによりメッシュ部材11の一端がストレ
ーナ本体11の外周に拡径された環状の係合段部13に係合
されて位置決めされ、メッシュ部材21の他端はストレー
ナ本体11の底面に形成した係止孔15に鈎状係止爪33を挿
通係止したキャップ体31にて抜け止め保持され組立ても
簡単にできる。さらに、メッシュ部材21は、メッシュ線
材22の交差部を焼結結合しているため、ほつれることが
なく、耐久性が高められる。Further, the strainer body 11 has a mesh member.
When the mesh member 21 is fitted, one end of the mesh member 11 is engaged and positioned with an annular engagement step portion 13 whose diameter is expanded on the outer circumference of the strainer body 11, and the other end of the mesh member 21 is the bottom surface of the strainer body 11. It can be easily assembled even if it is assembled and retained by the cap body 31 in which the hook-shaped locking claw 33 is inserted and locked in the locking hole 15 formed in 1. Further, since the mesh member 21 has the crossing portion of the mesh wire rod 22 sintered and bonded, it does not fray and the durability is improved.
【００１７】また、ストレーナ本体11は直径位置から左
右に着磁したため、ストレーナ本体11を油槽などの鉄板
に形成した油流出口部に嵌合装着するとき、ストレーナ
本体11は上枠部14が鉄板に吸い寄せ吸着されて嵌合さ
れ、装着作業が容易となり、自動組立ても可能となる。
さらに、装着状態でキャップ体31の弾性支持脚34が油槽
の上板の鉄板と対向する底板面に弾力的に支持され、流
動する油の抵抗で外れることがなく、装着状態が確実に
保持される。Further, since the strainer main body 11 is magnetized from the diameter position to the left and right, when the strainer main body 11 is fitted and attached to the oil outlet port formed on an iron plate such as an oil tank, the upper frame portion 14 of the strainer main body 11 is an iron plate. It will be attracted to and absorbed by and will be fitted, facilitating the mounting work and enabling automatic assembly.
Further, in the mounted state, the elastic support legs 34 of the cap body 31 are elastically supported by the bottom plate surface of the upper plate of the oil tank facing the iron plate, and the mounted state is securely held without coming off due to the resistance of the flowing oil. It
【００１８】なお、前記実施例ではキャップ体31は合成
樹脂成型体にて閉塞した形状に形成したが、底部をメッ
シュ状に形成してもよい。In the above embodiment, the cap body 31 is formed of a synthetic resin molded body in a closed shape, but the bottom may be formed in a mesh shape.
【００１９】[0019]
【発明の効果】本発明によれば、ストレーナ本体をプラ
スチックマグネットにて成型したため、鉄粉を吸着する
表面積が拡大され、底部に鉄粉溜まり凹部を形成したこ
とと相俟って鉄粉の吸着量を増大でき、鉄粉吸着性能を
高められ、ストレーナ本体は欠損することがなく安価に
得られる。また、ストレーナ本体、このストレーナ本体
に嵌合したメッシュ部材およびストレーナ本体の下部に
止着されるキャップ体のみで構成され、部品点数が少な
くなり、組立て工数も軽減され、組立てが容易で生産性
が向上する。さらに、メッシュ部材はほつれることがな
く、耐久性が高められる。また、ストレーナ本体は直径
位置から左右に着磁したため、ストレーナ本体を鉄板に
形成した油流出口部に嵌合装着するときには鉄板に吸着
されて嵌合され、装着作業も容易で自動組立ても可能と
なり、さらに、装着状態でキャップ体の弾性支持脚が鉄
板と対向する面に弾力的に支持され、装着状態が確実に
保持される。According to the present invention, since the strainer main body is molded by the plastic magnet, the surface area for adsorbing iron powder is enlarged, and the iron powder adsorbing portion is formed in combination with the fact that the iron powder accumulating recess is formed at the bottom. The amount can be increased, the iron powder adsorption performance can be improved, and the strainer main body can be obtained at a low cost without loss. In addition, the strainer body, the mesh member fitted to the strainer body, and the cap body fixed to the lower part of the strainer body are only included, which reduces the number of parts, reduces the number of assembly steps, and facilitates assembly and productivity. improves. Furthermore, the mesh member does not fray and durability is improved. Also, since the strainer body is magnetized to the left and right from the diametrical position, when the strainer body is fitted and mounted on the oil outlet port formed on the iron plate, it is attracted and fitted to the iron plate, and the mounting work is easy and automatic assembly is also possible. Further, the elastic support legs of the cap body are elastically supported on the surface facing the iron plate in the mounted state, and the mounted state is reliably held.
【図１】本発明の一実施例を示す自動変速機の油圧制御
系における油ストレーナの縦断面図である。FIG. 1 is a vertical sectional view of an oil strainer in a hydraulic control system of an automatic transmission according to an embodiment of the present invention.
【図２】同上分解斜視図である。FIG. 2 is an exploded perspective view of the same.
【図３】従来の油ストレーナの縦断面図である。FIG. 3 is a vertical cross-sectional view of a conventional oil strainer.
11 ストレーナ本体 11a 鉄粉溜まり凹部 12 油流入口 13 係合段部 14 上枠部 15 係止孔 16 下枠部 18 縦枠部 19 油流通部 21 メッシュ部材 31 キャップ体 33 鈎状係止爪 34 弾性支持脚 11 Strainer body 11a Iron powder reservoir recess 12 Oil inlet 13 Engagement step 14 Upper frame 15 Locking hole 16 Lower frame 18 Vertical frame 19 Oil flow section 21 Mesh member 31 Cap body 33 Hook-shaped locking claw 34 Elastic support legs
───────────────────────────────────────────────────── フロントページの続き (72)発明者 石川 和典 愛知県安城市藤井町高根10番地 アイシ ン・エイ・ダブリユ株式会社内 (72)発明者 坂口 吉一 愛知県安城市藤井町高根10番地 アイシ ン・エイ・ダブリユ株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kazunori Ishikawa 10 Takane, Fujii-cho, Anjo-shi, Aichi Aisin A / D Aburyu Co., Ltd. (72) Yoshikazu Sakaguchi 10 Takane, Fujii-cho, Anjo-shi, Aichi Aisi N.A.Daburi Co., Ltd.
Claims (1)
流路に接続される油ストレーナであって、 ストレーナ本体と、このストレーナ本体に嵌合したメッ
シュ部材と、前記ストレーナ本体の下部に止着しこのス
トレーナ本体に嵌合された前記メッシュ部材を抜止め保
持したキャップ体とからなり、 前記ストレーナ本体は、 プラスチックマグネットにて一体成型され、直径位置か
ら左右に着磁し、上面に油流入口を開口しかつ外周に拡
径された環状の係合段部を有する上枠部とこの上枠部に
対向し底面に係止孔を開口した下枠部およびこの上枠部
と下枠部とを連結する縦枠部とを一体に形成しこの各枠
部間を油流通部とし、かつ底部に鉄粉溜まり凹部を形成
し、 前記メッシュ部材は、 メッシュ線材の交差部を焼結結合し前記ストレーナ本体
の外周に嵌合される内径を有する円筒形状に形成され、 前記キャップ体は内面に前記ストレーナ本体の下枠部底
面の係止孔に挿通係止される鈎状係止爪を突設しかつ外
面に弾性支持脚を突設したことを特徴とする自動変速機
の油圧制御系における油ストレーナ。Claim: What is claimed is: 1. An oil strainer connected to an oil circulation passage in a hydraulic control system of an automatic transmission, the strainer body, a mesh member fitted to the strainer body, and the strainer. It consists of a cap body that is fixed to the lower part of the main body and that holds the mesh member fitted to this strainer main body and retains it.The strainer main body is integrally molded with a plastic magnet and magnetized from the diameter position to the left and right. , An upper frame portion having an annular engagement step portion having an oil inlet opening on the upper surface and having an expanded diameter on the outer periphery, a lower frame portion facing the upper frame portion and having a locking hole on the bottom surface, and the upper frame portion Section and a lower frame section are integrally formed with a vertical frame section, and an oil distribution section is formed between the respective frame sections, and an iron powder accumulating concave section is formed at the bottom section, and the mesh member is an intersection of mesh wire rods. Before sinter-bonding The cap body is formed in a cylindrical shape having an inner diameter to be fitted to the outer periphery of the strainer body, and the cap body has an inner surface to which a hook-shaped locking claw which is inserted and locked in a locking hole in the bottom surface of the lower frame portion of the strainer body. An oil strainer in a hydraulic control system of an automatic transmission, characterized in that it is provided with elastic support legs protruding from the outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18126991A JP3165819B2 (en) | 1991-07-22 | 1991-07-22 | Oil strainer in hydraulic control system of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18126991A JP3165819B2 (en) | 1991-07-22 | 1991-07-22 | Oil strainer in hydraulic control system of automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0523508A true JPH0523508A (en) | 1993-02-02 |
| JP3165819B2 JP3165819B2 (en) | 2001-05-14 |
Family
ID=16097744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18126991A Expired - Fee Related JP3165819B2 (en) | 1991-07-22 | 1991-07-22 | Oil strainer in hydraulic control system of automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3165819B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1308660A2 (en) * | 2001-10-30 | 2003-05-07 | TGK Co., Ltd. | Expansion valve |
| JP2013078739A (en) * | 2011-10-05 | 2013-05-02 | Honda Motor Co Ltd | Oil filter |
| JP2013104472A (en) * | 2011-11-11 | 2013-05-30 | Piolax Inc | Vehicle fluid filter |
| JP2013155771A (en) * | 2012-01-27 | 2013-08-15 | Denso Corp | Hydraulic pressure supply device |
| US8893896B2 (en) | 2008-04-17 | 2014-11-25 | Toyota Jidosha Kabushiki Kaisha | Oil strainer |
| JP2015215048A (en) * | 2014-05-12 | 2015-12-03 | 株式会社日立ニコトランスミッション | Gear device |
| JP2015224766A (en) * | 2014-05-29 | 2015-12-14 | 株式会社パイオラックス | Fluid filter for vehicle |
| DE102018113226A1 (en) * | 2018-06-04 | 2019-12-05 | Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh | Operating fluid container, closure element and cleaning device |
| WO2021187363A1 (en) * | 2020-03-18 | 2021-09-23 | 株式会社パイオラックス | Filter device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112014001626B4 (en) | 2013-03-25 | 2022-05-05 | Sumitomo Heavy Industries, Ltd. | Foreign body attracting structure |
-
1991
- 1991-07-22 JP JP18126991A patent/JP3165819B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1308660A2 (en) * | 2001-10-30 | 2003-05-07 | TGK Co., Ltd. | Expansion valve |
| EP1308660A3 (en) * | 2001-10-30 | 2003-10-01 | TGK Co., Ltd. | Expansion valve |
| US6712281B2 (en) | 2001-10-30 | 2004-03-30 | Tgk Co. Ltd. | Expansion valve |
| US8893896B2 (en) | 2008-04-17 | 2014-11-25 | Toyota Jidosha Kabushiki Kaisha | Oil strainer |
| JP2013078739A (en) * | 2011-10-05 | 2013-05-02 | Honda Motor Co Ltd | Oil filter |
| JP2013104472A (en) * | 2011-11-11 | 2013-05-30 | Piolax Inc | Vehicle fluid filter |
| JP2013155771A (en) * | 2012-01-27 | 2013-08-15 | Denso Corp | Hydraulic pressure supply device |
| JP2015215048A (en) * | 2014-05-12 | 2015-12-03 | 株式会社日立ニコトランスミッション | Gear device |
| JP2015224766A (en) * | 2014-05-29 | 2015-12-14 | 株式会社パイオラックス | Fluid filter for vehicle |
| DE102018113226A1 (en) * | 2018-06-04 | 2019-12-05 | Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh | Operating fluid container, closure element and cleaning device |
| WO2021187363A1 (en) * | 2020-03-18 | 2021-09-23 | 株式会社パイオラックス | Filter device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3165819B2 (en) | 2001-05-14 |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |