JP2005188721A - Chain structure - Google Patents

Chain structure Download PDF

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JP2005188721A
JP2005188721A JP2003434621A JP2003434621A JP2005188721A JP 2005188721 A JP2005188721 A JP 2005188721A JP 2003434621 A JP2003434621 A JP 2003434621A JP 2003434621 A JP2003434621 A JP 2003434621A JP 2005188721 A JP2005188721 A JP 2005188721A
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chain structure
outer plate
plate
pair
oil
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JP3908220B2 (en
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Seitaro Ueda
誠太郎 上田
Minoru Tomizawa
稔 富沢
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Senqcia Corp
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Hitachi Metals Techno Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a chain structure preventing lubrication from having an adverse effect on environment and lengthening the interval of lubrication. <P>SOLUTION: The chain structure is provided with an outer plate 22 connecting the ends of an pair of adjacent pins 23, 23a; a cylindrical bearing member 24 rotatably fitted to a length part on the inside of the outer plate 22 of the pin 23; and an inner plate 21 connecting the ends of a pair of pins 23, 23b alternately adjacent to the pair of pins 23, 23a, through the bearing member 24. At least one end of the bearing member 24 is provided with an oil holding member 28 capable of holding lubricating oil, and a plate member 30 is provided on the outer plate 22 side of the oil holding member 28. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、回転する一対のスプロケット間に掛け渡されてそのスプロケットの回転により長さ方向の走行を駆動されるチェンを構成するチェン構造に関するものである。   The present invention relates to a chain structure that constitutes a chain that is stretched between a pair of rotating sprockets and driven in the longitudinal direction by the rotation of the sprockets.

従来のチェン構造としては、例えば図７に示すようなものがあった。この従来のチェン構造は、エスカレータチェン等に用いられるものであり、潤滑材としては一般的に液体状の潤滑油が用いられる。そして、潤滑油はチェン稼動中に適当な間隔で内プレート２１と外プレート２２の間から流し込んで、ピン２３とブッシュ２４との間の摺動部を潤滑するようになっている。   An example of a conventional chain structure is shown in FIG. This conventional chain structure is used for an escalator chain or the like, and liquid lubricant is generally used as a lubricant. Then, the lubricating oil flows from between the inner plate 21 and the outer plate 22 at an appropriate interval during chain operation, and lubricates the sliding portion between the pin 23 and the bush 24.

しかしながら、上記従来のチェン構造のように潤滑油を、内プレート２１と外プレート２２の間から流し込んで（垂らして）給油する方法では、潤滑油の垂れ流しとなって環境に悪影響を及ぼすおそれがある。潤滑油を噴霧器等により噴霧する方法をとったとしても同様である。   However, in the method in which lubricating oil is poured from between the inner plate 21 and the outer plate 22 and supplied as in the conventional chain structure, the lubricating oil may spill down and adversely affect the environment. . The same applies even if a method of spraying the lubricating oil with a sprayer or the like is employed.

また、潤滑油は乾燥しやすいため、上記従来のチェン構造のように、チェン稼動中に適当な間隔で給油しなければならないが、給油には人手を要するので給油の間隔が短かくなると人件費のコストアップを招くという問題がある。   Also, since the lubricating oil is easy to dry, it must be lubricated at appropriate intervals during chain operation as in the conventional chain structure described above. However, since labor is required for lubrication, labor costs are reduced if the lubrication interval is shortened. There is a problem of incurring a cost increase.

そこで本発明は、上記問題点に鑑みて、給油が環境に悪影響を及ぼすことを防止すると共に、給油の間隔を長くすることが可能となるチェン構造を提供することを課題とするものである。   Therefore, in view of the above problems, an object of the present invention is to provide a chain structure capable of preventing refueling from adversely affecting the environment and increasing the refueling interval.

上記課題を解決するために、本発明によるチェン構造は、
隣合う一対のピンの端部間を連結する外プレートと、
前記ピンの前記外プレートより内側の長さ部分に回転自在に嵌合する円筒状の軸受部材と、
前記一対のピンと交互に隣合う一対のピンの端部間を前記軸受部材を介して連結する内プレートと
を備えたチェン構造において、
前記軸受部材の少なくとも一端部の外周面に潤滑油を保持可能な油保持部材を設けると共に、
前記油保持部材の前記外プレート側に板部材を設けることを特徴とするものである。 In order to solve the above problems, the chain structure according to the present invention is:
An outer plate connecting the ends of a pair of adjacent pins;
A cylindrical bearing member that is rotatably fitted to a length portion inside the outer plate of the pin;
A chain structure comprising: an inner plate that connects between the ends of a pair of pins alternately adjacent to the pair of pins via the bearing member,
Providing an oil retaining member capable of retaining lubricating oil on the outer peripheral surface of at least one end of the bearing member;
A plate member is provided on the outer plate side of the oil holding member.

このような本発明に係るチェン構造によれば、給油が環境に悪影響を及ぼすことを防止すると共に、給油の間隔を長くすることが可能となる。   According to such a chain structure according to the present invention, it is possible to prevent refueling from adversely affecting the environment and to increase the refueling interval.

以下、本発明を実施するための最良の形態について、図面に基づいて具体的に説明する。
図１ないし図６は、本発明によるチェン構造の一実施の形態を説明するために参照する図である。 Hereinafter, the best mode for carrying out the present invention will be specifically described with reference to the drawings.
FIGS. 1 to 6 are views referred to for explaining an embodiment of a chain structure according to the present invention.

図１は、本実施の形態に係るチェンの一部を示す図である。同図に示すチェン２０において、丸棒状のピン２３は、チェン２０の長さ方向（図中水平方向）に対して直角方向（図中上下方向）に配置され、チェン２０の長さ方向に間隔をおいて並列に多数配置されている。   FIG. 1 is a view showing a part of a chain according to the present embodiment. In the chain 20 shown in the figure, the round bar-like pins 23 are arranged in a direction perpendicular to the length direction of the chain 20 (horizontal direction in the figure) (up and down direction in the figure), and spaced in the length direction of the chain 20 Many are arranged in parallel.

ピン２３の両端部の各々には、隣合うピン２３ａとを連結する一対の外プレート２２各々の一端部が圧入によりきつく嵌合されており、一対の外プレート２２各々の他端部は、上記隣合うピン２３ａ両端部の各々に圧入によりきつく嵌合されている。   One end of each of the pair of outer plates 22 connecting the adjacent pins 23a is tightly fitted to each end of the pin 23 by press-fitting, and the other end of each of the pair of outer plates 22 is The both ends of the adjacent pin 23a are tightly fitted by press-fitting.

ピン２３の両端部の一対の外プレート２２相互間の長さ部分には、円筒状のブッシュ２４（軸受部材）がピン２３の周面との間に隙間をもたせて回転自在に嵌合されている。このブッシュ２４は、多孔質の焼結金属により形成されている。   A cylindrical bush 24 (bearing member) is rotatably fitted between the pair of outer plates 22 at both ends of the pin 23 with a gap between the pin 23 and the peripheral surface of the pin 23. Yes. The bush 24 is formed of a porous sintered metal.

ブッシュ２４両端部の各々には、ピン２３に対してピン２３ａと反対側の隣合うピン２３ｂ側のブッシュ２４両端部の各々とを連結する一対の内プレート２１各々の一端部が圧入によりきつく嵌合されており、一対の内プレート２１各々の他端部は上記ピン２３ｂ側のブッシュ２４両端部の各々に圧入によりきつく嵌合されている。   One end portion of each of the pair of inner plates 21 that connects the both ends of the bush 24 on the side of the adjacent pin 23b opposite to the pin 23a to the pin 23 is tightly fitted to each end of the bush 24 by press fitting. The other end portions of each of the pair of inner plates 21 are tightly fitted by press-fitting to both end portions of the bush 24 on the pin 23b side.

ブッシュ２４の両端部に嵌合する一対の内プレート２１相互間の長さ部分には、円筒状のローラー２５がブッシュ２４の外周面との間に隙間をもたせて回転自在に嵌合されている。このローラー２５は図示していないスプロケットの歯溝に係合して、そのスプロケットが回転することにより、チェン２０がその長さ方向に走行移動するようになっている。   A cylindrical roller 25 is rotatably fitted to a length portion between the pair of inner plates 21 fitted to both ends of the bush 24 with a gap between the outer periphery of the bush 24. . The roller 25 engages with a tooth groove of a sprocket (not shown) and rotates the sprocket so that the chain 20 travels in the length direction.

図２，３に示すように、ブッシュ２４の各端部は外プレート２２の近傍まで伸びており、このブッシュ２４の端部の外周面からこの半径外方で、外プレート２２と内プレート２１との間には、図４、５に示すような、潤滑油を長期間保持可能な油保持部材２８が設けられている。この油保持部材２８は、例えば潤滑油を保持可能なフェルト材により形成されている。   As shown in FIGS. 2 and 3, each end of the bush 24 extends to the vicinity of the outer plate 22. The outer plate 22, the inner plate 21, An oil holding member 28 that can hold the lubricating oil for a long period of time as shown in FIGS. The oil holding member 28 is made of, for example, a felt material that can hold lubricating oil.

また、油保持部材２８は、図４、５に示すようにドーナツ状に形成されており、その内周部がブッシュ２４の各端部に嵌合すると共に、その片面が内プレート２１の面に接触するように設けられている。   The oil retaining member 28 is formed in a donut shape as shown in FIGS. 4 and 5, and its inner peripheral portion is fitted to each end portion of the bush 24, and one surface thereof is on the surface of the inner plate 21. It is provided to come into contact.

また、油保持部材２８の外プレート２２側には、図４、６に示すような、環状の板部材３０が設けられている。図６に示すように、板部材３０の周部には円周方向４箇所に爪３０ｂが設けられており、この爪３０ｂは油保持部材２８を保持するように折り曲げて設けられている。   An annular plate member 30 as shown in FIGS. 4 and 6 is provided on the outer plate 22 side of the oil holding member 28. As shown in FIG. 6, claws 30 b are provided at four locations in the circumferential direction on the peripheral portion of the plate member 30, and the claws 30 b are bent and provided so as to hold the oil holding member 28.

そして、この板部材３０の外プレート２２側には円周方向４箇所に突起３０ａが設けられている。このため、図２，３に示すように、板部材３０と外プレート２２との間にはその突起３０の高さと等しい寸法の隙間が設けられている。   And the protrusion 30a is provided in the circumferential direction four places on the outer plate 22 side of this board member 30. As shown in FIG. For this reason, as shown in FIGS. 2 and 3, a gap having a dimension equal to the height of the protrusion 30 is provided between the plate member 30 and the outer plate 22.

このようなチェン構造においては、ブッシュ２４が多孔質の焼結金属により形成されているので、予め多孔質焼結金属のブッシュ２４に潤滑油を含有させておくことにより、ブッシュ２４とピン２３との間の摺動部を長期間潤滑することができる。   In such a chain structure, since the bush 24 is formed of a porous sintered metal, the bush 24, the pin 23, The sliding part in between can be lubricated for a long time.

チェンの稼動開始後ある期間が経過して潤滑性が失われてきたと思われる場合は、フェルト材の油保持部材２８外周部の、爪３０ｂと爪３０ｂの間から液体状の潤滑油をしみ込ませると、しみ込んだ潤滑油が油保持部材２８の内周部からしみ出して、焼結金属のブッシュ２４にも潤滑油をしみ込ませて含有させることにより、ブッシュ２４とピン２３との間の摺動部を引き続き長期間潤滑することができるようになる。   When it is considered that the lubricity has been lost after a certain period of time since the start of operation of the chain, liquid lubricating oil is soaked from between the claw 30b and the claw 30b on the outer periphery of the felt oil retaining member 28. Then, the soaked lubricating oil oozes out from the inner peripheral portion of the oil holding member 28, and the lubricating oil is also soaked into the sintered metal bush 24 so that the sliding between the bush 24 and the pin 23 occurs. The part can be continuously lubricated for a long time.

このようなチェン構造によれば、フェルト材の油保持部材２８に潤滑油をしみ込ませると共に、焼結金属のブッシュ２４に潤滑油をしみ込ませて含有させることにより、潤滑油を垂れ流す場合と異なり、給油が環境に悪影響を及ぼすことを防止することが可能となる。   According to such a chain structure, the lubricating oil is impregnated into the felt oil retaining member 28 and the lubricating oil is impregnated into the sintered metal bush 24 so that the lubricating oil flows down. It is possible to prevent refueling from adversely affecting the environment.

そして、フェルト材の油保持部材２８に潤滑油をしみ込ませると共に、焼結金属のブッシュ２４に潤滑油をしみ込ませて含有させることにより、長期間潤滑性が保持されるので、潤滑油を供給する作業が終わってから次回の潤滑油の供給時までの時間的間隔を長くすることができる。   Then, the lubricating oil is soaked in the felt oil retaining member 28 and the lubricating oil is soaked in the sintered metal bush 24 so that the lubricating property is maintained for a long time. The time interval from the end of work to the next supply of lubricating oil can be increased.

また、油保持部材２８は何もしなければ外プレート２２に対して相対回転して摺動するが、油保持部材２８の外プレート２２側には板部材３０が設けられていると共に、突起３０ａにより油保持部材２８は外プレート２２から離れているので、油保持部材２８は外プレート２２と直接接触して摺動することはない。このため、外プレート２２より柔らかい油保持部材２８が外プレート２２と摺動して破損することを防止することができる。   In addition, the oil holding member 28 slides relative to the outer plate 22 if nothing is done, but a plate member 30 is provided on the outer plate 22 side of the oil holding member 28, and the protrusion 30 a Since the oil holding member 28 is separated from the outer plate 22, the oil holding member 28 does not slide in direct contact with the outer plate 22. For this reason, it is possible to prevent the oil holding member 28 softer than the outer plate 22 from sliding on the outer plate 22 and being damaged.

なお、前記実施の形態においては油保持部材２８にフェルト材を用いたが、これに限定する必要はなく、潤滑油を保持可能な材質であれば他のどのような材質を用いてもよい。   In the above-described embodiment, the felt material is used for the oil holding member 28. However, the present invention is not limited to this, and any other material may be used as long as it can hold the lubricating oil.

また、前記実施の形態においては油保持部材２８と外プレート２２との間のみに隙間を設けたが、油保持部材２８と内プレート２１との間にも隙間を設けてもよい。   In the embodiment, the gap is provided only between the oil holding member 28 and the outer plate 22, but a gap may also be provided between the oil holding member 28 and the inner plate 21.

さらに、前記実施の形態においては油保持部材２８の外プレート２２側のみに板部材３０を設けたが、油保持部材２８の内プレート２１側にも板部材３０を設けてもよい。   Furthermore, in the above-described embodiment, the plate member 30 is provided only on the outer plate 22 side of the oil holding member 28, but the plate member 30 may be provided also on the inner plate 21 side of the oil holding member 28.

本発明の一実施の形態に係るチェン２０を示す一部断面平面図である。It is a partial cross section top view which shows the chain 20 which concerns on one embodiment of this invention. 図１におけるチェン２０のＡ−Ａ線断面図である。It is the sectional view on the AA line of the chain 20 in FIG. 図２に示す油保持部材２８の拡大断面図である。FIG. 3 is an enlarged cross-sectional view of an oil holding member 28 shown in FIG. 図２におけるチェン構造の一部分解側面断面図である。FIG. 3 is a partially exploded side sectional view of the chain structure in FIG. 2. 油保持部材２８を示す図であり、図５（ａ）はその正面図、図５（ｂ）はその側面断面図である。It is a figure which shows the oil holding member 28, Fig.5 (a) is the front view, FIG.5 (b) is the side sectional drawing. 板部材３０を示す図であり、図６（ａ）はその正面図、図６（ｂ）はその側面断面図である。It is a figure which shows the board member 30, FIG. 6 (a) is the front view, FIG.6 (b) is the side sectional drawing. 従来のチェン構造の給油部を示す拡大半断面図である。It is an expanded half sectional view which shows the oil supply part of the conventional chain structure.

符号の説明Explanation of symbols

２０ チェン
２１ 内プレート
２２ 外プレート
２３ ピン
２３ａ ピン
２３ｂ ピン
２４ ブッシュ
２５ ローラー
２８ 油保持部材
３０ 板部材
３０ａ 突起
３０ｂ 爪
３４ シール構造
20 Chain 21 Inner plate 22 Outer plate 23 Pin 23a Pin 23b Pin 24 Bush 25 Roller 28 Oil holding member 30 Plate member 30a Protrusion 30b Claw 34 Seal structure

Claims (3)

隣合う一対のピンの端部間を連結する外プレートと、
前記ピンの前記外プレートより内側の長さ部分に回転自在に嵌合する円筒状の軸受部材と、
前記一対のピンと交互に隣合う一対のピンの端部間を前記軸受部材を介して連結する内プレートと
を備えたチェン構造において、
前記軸受部材の少なくとも一端部の外周面に潤滑油を保持可能な油保持部材を設けると共に、
前記油保持部材の前記外プレート側に板部材を設ける
ことを特徴とするチェン構造。 An outer plate connecting the ends of a pair of adjacent pins;
A cylindrical bearing member that is rotatably fitted to a length portion inside the outer plate of the pin;
A chain structure comprising: an inner plate that connects between the ends of a pair of pins alternately adjacent to the pair of pins via the bearing member,
Providing an oil retaining member capable of retaining lubricating oil on the outer peripheral surface of at least one end of the bearing member;
A chain structure in which a plate member is provided on the outer plate side of the oil holding member. 前記板部材の前記外プレート側に突起部を形成するようにした請求項１に記載のチェン構造。 The chain structure according to claim 1, wherein a protrusion is formed on the outer plate side of the plate member. 前記軸受部材を焼結金属により形成するようにした請求項１または請求項２に記載のチェン構造。
The chain structure according to claim 1 or 2, wherein the bearing member is made of sintered metal.
JP2003434621A 2003-12-26 2003-12-26 Chain structure Expired - Fee Related JP3908220B2 (en)

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Application Number Priority Date Filing Date Title
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JP2005188721A true JP2005188721A (en) 2005-07-14
JP3908220B2 JP3908220B2 (en) 2007-04-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010242820A (en) * 2009-04-03 2010-10-28 Borgwarner Inc Chain

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276063B (en) * 2016-08-18 2019-06-14 江山永利百合实业有限公司 A kind of conveyor chain
CN106315165B (en) * 2016-08-18 2019-06-14 泗阳鼎丰机械有限公司 A kind of self-lubricating conveyor chain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010242820A (en) * 2009-04-03 2010-10-28 Borgwarner Inc Chain

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