JP3926505B2 - Buffer ring and tube receptacle structure - Google Patents
Buffer ring and tube receptacle structure Download PDFInfo
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- JP3926505B2 JP3926505B2 JP10635499A JP10635499A JP3926505B2 JP 3926505 B2 JP3926505 B2 JP 3926505B2 JP 10635499 A JP10635499 A JP 10635499A JP 10635499 A JP10635499 A JP 10635499A JP 3926505 B2 JP3926505 B2 JP 3926505B2
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- Prior art keywords
- tube
- buffer ring
- mounting groove
- ring
- rubber
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Sewage (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Description
【０００１】
【発明の属する技術分野】
本発明は例えば排水ますにおいて、排水管を接続するために設けられる管受口部に装着される緩衝リング、および該緩衝リングを装着した管受口部に関するものである。
【０００２】
【従来の技術】
図１０に示すように、例えば排水ます(1) はます本体部(2) と、該ます本体部(2) 上側開口部に設けられる点検筒(9) の受口部(3) と、該ます本体部(2) の側周面から差出されている本流管(10,10) の受口部(4) および挿口部(5) と、更に該ます本体部(2) の側周面から差出されている枝管(11)の受口部(6) とからなる。
上記排水ます(1) にあっては、地震等の地殻変動によって本流管(10)に奥方向の外力（押込み力）が及ぼされ、該本流管(10)が受口部(4) よります本体部(2) 内に押込まれてしまう場合がある。このような場合には該本流管(10)が干渉して点検筒(9) から排水ます(1) 内部を点検、清掃するすることが困難になる。
図１１に示すように該本流管(10)は該受口部(4) のゴム輪装着溝(7) に装着されているゴム輪(12)を介して該受口部(4) 内に摺動可能に接続されているが、従来、上記本流管(10)がます本体部(2) 内に押し込まれるのを防止するために、該受口部(4) の奥端段面(8) と該本流管(10)の接続端の間に円筒状ゴムチューブ(13)を介在させる構成が提供されている。
【０００３】
該ゴムチューブ(13)は外面に周方向溝(13A) の複数条が形成されることによって軸方向に伸縮可能とされており、該本流管(10)に押込み力が及ぼされると、該ゴムチューブ(13)は軸方向に収縮変形して該外力を吸収し、該本流管(10)がます本体部(2) 内に押込まれるのを防止する。
【０００４】
【発明が解決しようとする問題点】
上記従来構成では、ゴムチューブの軸方向の縮小巾が小さいので、大きな外力が及ぼされた場合には該外力を完全に吸収することが出来ず、管あるいは受口部が破損するおそれがあった。
【０００５】
【課題を解決するための手段】
本発明は上記従来の課題を解決するための手段として、基管 (14A) の管端部に段部 (17) を介して拡径形成された管受口部 (16) であって、該受口部 (16) の内周においては先端部にゴム輪装着溝 (18) が形成されており、奥端部には緩衝リング装着溝 (19) が形成されており、該ゴム輪装着溝 (18) にはゴム輪 (20) が装着され、該緩衝リング装着溝 (19) には筒状体であって外側部分には外端に向かって径が拡大するテーパー部分 (23) と、該テーパー部分 (23) の外側に延設される折返し部分 (24) とが形成されており、ゴム、エラストマーまたは可撓性プラスチックを材料とする緩衝リング (21) が装着され、該緩衝リング (21) の奥端は該受口部 (16) 奥端の段部 (17) 内側段面 (17A) に当接しており、該緩衝リング (21) から該基管 (14A) にかけて内周に段差がないように設定されている管受口部 (16) に管 (10) を軸方向に摺動可能に挿着し、該管 (10) を該緩衝リング (21) のテーパー部分 (23) に支持せしめた管接続構造を提供するものである。
また基管 (14A) の管端部に段部 (17) を介して拡径形成された管受口部 (16) であって、該受口部 (16) の内周においては先端部にゴム輪装着溝 (18) が形成されており、奥端部には緩衝リング装着溝 (19) が形成されており、該ゴム輪装着溝 (18) にはゴム輪 (20) が装着され、該緩衝リング装着溝 (19) には筒状体であって外側部分には外端に向かって径が拡大するテーパー部分と、該テーパー部分に延設される急傾斜テーパー部分 (44) とが形成されており、ゴム、エラストマーまたは可撓性プラスチックを材料とする緩衝リング (41) が装着され、該緩衝リング (41) の奥端は該受口部 (16) 奥端の段部 (17) 内側段面 (17A) に当接しており、該緩衝リング (41) から該基管 (14A) にかけて内周に段差がないように設定されている管受口部 (16) に管 (10) を軸方向に摺動可能に挿着し、該管 (10) を該緩衝リング (41) のテーパー部分 (44) に支持せしめた管接続構造を提供するものである。
【０００６】
【作用】
該管受口部(16)には管(10)が軸方向に摺動可能に挿着される。該管(10)に押込み力が及ぼされた場合、該管(10)の奥端が該緩衝リング(21)のテーパー部分(23)に衝突してこれを奥側に押圧する。該テーパー部分(23)は該緩衝リング(21)の外端に向かって径が拡大しているから、該管(10)に押された時径が広がる方向に円滑に弾性的に変位して、該衝突力を緩和する。この際、該折返し部分は該テーパー部分(23)あるいは急傾斜テーパー部分(44)に剛性を与え、該テーパー部分(23)や急傾斜テーパー部分(44)の該衝突力に対する抵抗力を向上させる。更に該緩衝リング (21) から該基管 (14A) にかけて内周に段差がないように設定されているから水の円滑な流れが確保される。
【０００７】
【発明の実施の形態】
本発明の一実施例を図１〜図８に示す。図１に示す排水ます(1) は、ます本体部(2) と、該ます本体部(2) 上側開口部に設けられる点検筒の受口部(3) と、該ます本体部(2) の側周面から差出されている本流管(10,10) の受口部(14)および挿口部(5) と、更に該ます本体部(2) の側周面から差出されている枝管(11)の受口部(6) とからなる。該本流管(10)の受口部(14)においては、図２に示すように基管(14A) からは、段部(17)を介して管受口部(16)が拡径形成されている。該管受口部(16)の内周において、先端部にはゴム輪装着溝(18)が形成されており、奥端部には巾広の緩衝リング装着溝(19)が形成されており、該緩衝リング装着溝(19)の奥端面は該段部(17)内側の段面(17A) である。該管受口部(16)の内周において、該ゴム輪装着溝(18)よりも先端側は外側に向けて径を拡大するテーパー面(16A) とされ、また該ゴム輪装着溝(18)と該緩衝リング装着溝(19)との間は内側に凸な凸面(16B) とされている。
【０００８】
該管受口部(16)のゴム輪装着溝(18)にはゴム輪(20)が装着され、該緩衝リング装着溝(19)には緩衝リング(21)が装着されている。本実施例の緩衝リング(21)は図２および図３に示すように筒状体であって外側部分(21A) には外端に向かって径が拡大するテーパー部分(23)が形成されており、該テーパー部分(23)の外端には剛性部分として外周側に折返された折返し部分(24)が形成されており、奥側部分(21B) の奥端には段面略Ｈ形のフランジ部(25)が形成されており、該フランジ部(25)の内周側には充填リング(26)が充填されている。
【０００９】
該緩衝リング(21)は該管受口部(16)の緩衝リング装着溝(19)に装着された状態で、該緩衝リング(21)のフランジ部(25)の奥側面が該管受口部(16)内周奥端の段面(17A) に当接しており、そして該緩衝リング(21)の奥側部分(21B) の内径、該充填リング(26)の内径、および基管(14A) の内径は等しくされ、該緩衝リング(21)から基管(14A) にかけて、内周に段差がないように設定されて、水の円滑な流れを確保している。
【００１０】
該管受口部(16)には図４に示すように本流管(10)が挿着接続される。該本流管(10)は該挿着状態において該ゴム輪(20)と該緩衝リング(21)の折返し部分(24)と隣接するテーパー部分(23)とに支持され、該本流管(10)の軸線Ａ1 と該管受口部(16)の軸線Ａ2 とが略一致するよう芯出しされている。そして軸線Ａ1 Ａ2 方向の外力に対しては矢印イに示すように該軸線に沿って前後摺動が可能であり、軸線Ａ1 Ａ2 に対して放射方向の外力に対しては、該管受口部(16)の内周の凸面(16B) の頂点を支点として矢印ロに示すようにすりこぎ運動が可能である。
【００１１】
本実施例において、図５に示すように本流管(10)に矢印イＡに示す押込み力が及ぼされた場合、該本流管(10)は点線位置から実線位置に移動するが、該緩衝リング(21)のテーパー部分(23)は該本流管(10)に押圧され、図６に詳細に示すように実線状態から点線状態に弾性的に変形する。
このようにして該押込み力は該緩衝リング(21)のテーパー部分(23)の弾性的な変位変形によって吸収され、該本流管(10)は排水ます(1) の本体(2) 内へ押込まれることを阻止される。
なお該緩衝リング(21)の奥側部分(21B) の内径、該充填リング(26)の内径、および基管(14A) の内径は等しくされ、該緩衝リング(21)から基管(14A) にかけて、内周に段差がないように設定されているので、地殻変動により、本流管(10)が押込まれた状況であっても、水の円滑な流れをほぼ確保している。
【００１２】
図７および図８には本発明の他の実施例を示す。本実施例においては、緩衝リング(31)の外側部分(31A) の内周には、外端に向かって径が拡大するテーパー部分(33)が形成されており、該テーパー部分(33)の外端には外周側に折返された折返し部分(34)が形成されており、該折返し部分(34)は奥端側に延長されて奥側部分(31B) を覆う外筒部(35)となり、該外筒部(35)の奥端にフランジ部(36)が形成されている。
上記緩衝リング(31)は管受口部(16)の緩衝リング装着溝(19)に装着された状態で、奥端部分(31B) の奥端と外筒部(35)の奥端フランジ部(36)とがそれぞれ該管受口部(16)の内周奥端の段面(17A) に当接する。そして該緩衝リング(31)の奥端部分(31B) の内径と基管(14A) の内径とは等しくされ、該緩衝リング(31)から基管(14A) にかけて、内周に段差がないように設定されている。
【００１３】
図９には更に本発明の他の実施例を示す。本実施例の緩衝リング(41)は、前実施例の緩衝リング(21)(31)の折返し部分(24)(34)に代えて、剛性部分として急傾斜テーパー部分(44)を設けたものである。更に本発明の緩衝リングの剛性部分は肉厚を大きくすることによって設けてもよい。
【００１４】
本発明の管受口部は例えばポリ塩化ビニル、ポリエチレン、ポリプロピレン等の合成樹脂からなり、緩衝リングはゴム、エラストマー、好ましくはポリエチレン、ポリプロピレン等の可撓性のあるプラスチック、好ましくは若干硬質なゴムからなり、充填リングはゴム、エラストマー、あるいはポリエチレン、ポリプロピレン等の可撓性プラスチックからなり、望ましくは緩衝リングよりも若干軟らかい材料を使用する。
なお、本発明の管受口部分は、排水ますの本流管受口部のみならず、枝管受口部や点検筒受口部に適用されてもよい。
【００１５】
【発明の効果】
本発明では上記したように緩衝リングのテーパー部分の弾性的な変位変形によって管に及ぼされる押込み力を吸収するから、該テーパー部分の変位変形量は圧縮変形よりも大きく、大きな押込み力にも対応することが出来、また緩衝リングから基管にかけて内周に段差がないように設定されているから、水の円滑な流れが確保出来、また、地殻変動によって管が押込まれた状況にあっても水の円滑な流れがほぼ確保出来る。
【図面の簡単な説明】
図１〜図６は本発明の一実施例を示すものである。
【図１】排水ますの斜視図
【図２】管受口部分側断面図（ゴム輪および緩衝リング装着状態）
【図３】緩衝リング斜視図
【図４】管受口部分側断面図（本流管接続状態）
【図５】押込み力が及ぼされた場合の管受口部上半部分側断面図
【図６】緩衝リング変位変形状態の説明断面図
図７〜図８は他の実施例を示すものである。
【図７】管受口部分側断面図
【図８】緩衝リング変位変形状態の説明断面図
【図９】緩衝リングの他の実施例の側断面
【図１０】排水ますの説明斜視図
【図１１】従来例の説明部分側断面図
【符号の説明】
10 管（本流管）
14A 基管
16 管受口部
17 段部
17A 内側断面
18 ゴム輪装着溝
19 緩衝リング装着溝
20 ゴム輪
21,31,41 緩衝リング
23,33 テーパー部分
24,34 折返し部分
44 急傾斜テーパー部分[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a buffer ring attached to a pipe opening provided to connect a drain pipe in, for example, a drain, and a pipe opening provided with the buffer ring.
[0002]
[Prior art]
As shown in FIG. 10, for example, the drainage (1) is increasingly the main body (2), the main body (2), the receiving part (3) of the inspection tube (9) provided in the upper opening, and the First, the receiving part (4) and the insertion part (5) of the main flow pipe (10, 10) that is fed out from the side peripheral surface of the main body (2), and the side peripheral surface of the main body (2) And a receiving part (6) of the branch pipe (11) that is led out from the pipe.
In the drainage basin (1), an external force (pushing force) in the back direction is exerted on the main flow pipe (10) due to crustal movement such as an earthquake, and the main flow pipe (10) comes from the receiving port (4). It may be pushed into the main body (2). In such a case, the main flow pipe (10) interferes and drains from the inspection tube (9). (1) It becomes difficult to inspect and clean the inside.
As shown in FIG. 11, the main flow pipe (10) is inserted into the receiving port (4) via a rubber ring (12) mounted in a rubber ring mounting groove (7) of the receiving port (4). Although connected slidably, conventionally, in order to prevent the main flow pipe (10) from being pushed into the main body (2), the rear end step surface (8) And a cylindrical rubber tube (13) is provided between the connecting end of the main flow pipe (10).
[0003]
The rubber tube (13) can be expanded and contracted in the axial direction by forming a plurality of circumferential grooves (13A) on the outer surface, and when a pressing force is exerted on the main flow pipe (10), the rubber tube (13) The tube (13) contracts and deforms in the axial direction to absorb the external force, thereby preventing the main flow pipe (10) from being pushed further into the main body (2).
[0004]
[Problems to be solved by the invention]
In the above conventional configuration, since the reduction width in the axial direction of the rubber tube is small, when a large external force is exerted, the external force cannot be completely absorbed, and the tube or the receiving portion may be damaged. .
[0005]
[Means for Solving the Problems]
As a means for solving the above-mentioned conventional problems, the present invention is a tube receiving portion (16) formed by expanding the diameter of a pipe end portion of a base tube (14A) via a stepped portion (17) , A rubber ring mounting groove (18) is formed at the tip of the inner periphery of the receiving part (16) , and a buffer ring mounting groove (19) is formed at the back end. (18) is equipped with a rubber ring (20) , and the buffer ring mounting groove (19) is a cylindrical body and a tapered portion (23) whose diameter increases toward the outer end on the outer portion ; A folded portion (24) extending outside the tapered portion (23) is formed, and a buffer ring (21) made of rubber, elastomer or flexible plastic is attached, and the buffer ring ( inner end 21) is in contact with the receiving opening (16) step of the inner end (17) an inner step surface (17A), the inner circumferential from the cushion ring (21) toward the base pipe (14A) Tube receptacle that is set so that there is no step (16) the tube (10) slidably inserted in the axial direction, is provided a tube connection structure was allowed supporting the tapered portion (23) of the tube (10) to said buffer ring (21) is there.
Also a tube socket portion which is enlarged form through the step portion to the pipe end portion of the base tube (14A) (17) (16), the distal end portion in the inner periphery of the receiving opening (16) A rubber ring mounting groove (18) is formed, a buffer ring mounting groove (19) is formed at the back end , and a rubber ring (20) is mounted in the rubber ring mounting groove (18) , the tapered portion to expand the diameter towards the outer end in the outer portion a cylindrical body in the cushion ring mounting groove (19), but steeper tapered section (44) which extends into said tapered portion is formed, a rubber, an elastomer or a flexible plastic buffer ring to the material (41) is mounted, the rear end receiving opening (16) step of the inner end of the cushioning ring (41) (17 ) abuts against the inner step surface (17A), the buffer ring (pipe socket portion that is configured so that there is no step at the inner circumference toward the base tube (14A) from 41) (16) to the tube (10 ) slidably inserted and attached in the axial direction, said the tube (10) There is provided a tube connection structure was allowed supporting the tapered portion (44) of the collision ring (41).
[0006]
[Action]
The tube (10) is inserted into the tube receiving portion (16) so as to be slidable in the axial direction. When a pushing force is exerted on the tube (10), the back end of the tube (10) collides with the tapered portion (23) of the buffer ring (21) and presses it to the back side. Since the diameter of the tapered portion (23) increases toward the outer end of the buffer ring (21), the tapered portion (23) is smoothly and elastically displaced in the direction in which the diameter increases when pushed by the tube (10). , To reduce the collision force. At this time, the folded portion gives rigidity to the tapered portion (23) or the steeply tapered portion (44), and improves resistance to the collision force of the tapered portion (23) or the steeply tapered portion (44). . Furthermore, since it is set so that there is no step on the inner periphery from the buffer ring (21) to the base tube (14A) , a smooth flow of water is ensured.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
One embodiment of the present invention is shown in FIGS. The drainage basin (1) shown in Fig. 1 consists of the main body (2), the main body (2), the receiving port (3) of the inspection tube provided in the upper opening, and the main body (2). The inlet part (14) and the insertion part (5) of the main flow pipe (10, 10) fed out from the side peripheral surface of the main body (2) and the branch fed out from the side peripheral surface of the main body part (2) It consists of a receiving part (6) of a pipe (11). In the receiving part (14) of the main flow pipe (10), the diameter of the pipe receiving part (16) is formed from the base pipe (14A) through the step part (17) as shown in FIG. ing. A rubber ring mounting groove (18) is formed at the tip of the inner periphery of the tube receiving portion (16), and a wide buffer ring mounting groove (19) is formed at the back end. The back end surface of the buffer ring mounting groove (19) is a step surface (17A) inside the step portion (17). On the inner periphery of the tube receiving portion (16), the tip end side of the rubber ring mounting groove (18) is a tapered surface (16A) whose diameter increases outward, and the rubber ring mounting groove (18 ) And the buffer ring mounting groove (19) is a convex surface (16B) convex inward.
[0008]
A rubber ring (20) is mounted in the rubber ring mounting groove (18) of the tube receiving part (16), and a buffer ring (21) is mounted in the buffer ring mounting groove (19). The buffer ring (21) of this embodiment is a cylindrical body as shown in FIGS. 2 and 3, and the outer portion (21A) is formed with a tapered portion (23) whose diameter increases toward the outer end. The outer end of the tapered portion (23) is formed with a folded portion (24) that is folded back to the outer peripheral side as a rigid portion, and the rear end portion (21B) has a substantially H-shaped stepped surface. A flange portion (25) is formed, and a filling ring (26) is filled on the inner peripheral side of the flange portion (25).
[0009]
The buffer ring (21) is mounted in the buffer ring mounting groove (19) of the tube receiving portion (16), and the rear side surface of the flange portion (25) of the buffer ring (21) is the tube receiving port. (16) is in contact with the inner peripheral back end step surface (17A), and the inner diameter of the rear side portion (21B) of the buffer ring (21), the inner diameter of the filling ring (26), and the base tube ( The inner diameter of 14A) is made equal, and is set so that there is no step on the inner circumference from the buffer ring (21) to the base tube (14A), thereby ensuring a smooth flow of water.
[0010]
As shown in FIG. 4, the main pipe (10) is inserted and connected to the pipe receiving part (16). The main flow pipe (10) is supported by the rubber ring (20) and the taper part (23) adjacent to the folded part (24) of the buffer ring (21) in the inserted state, and the main flow pipe (10) axis a 1 and the tube receptacle portion of the axis a 2 of (16) is centered to substantially coincide. The external force in the direction of the axis A 1 A 2 can be slid back and forth along the axis as shown by the arrow A, and the external force in the radial direction with respect to the axis A 1 A 2 A rubbing motion is possible as indicated by an arrow B with the apex of the convex surface (16B) on the inner periphery of the tube receiving portion (16) as a fulcrum.
[0011]
In this embodiment, as shown in FIG. 5, when the pushing force indicated by the arrow A is applied to the main flow pipe (10), the main flow pipe (10) moves from the dotted line position to the solid line position. The tapered portion (23) of (21) is pressed by the main flow pipe (10) and is elastically deformed from the solid line state to the dotted line state as shown in detail in FIG.
In this way, the pushing force is absorbed by the elastic displacement deformation of the tapered portion (23) of the buffer ring (21), and the main flow pipe (10) is drained into the main body (2) of the drain (1). It is prevented from being rare.
The inner diameter of the back portion (21B) of the buffer ring (21), the inner diameter of the filling ring (26), and the inner diameter of the base tube (14A) are equalized, and the buffer ring (21) to the base tube (14A) Since the inner circumference is set so that there is no step, the smooth flow of water is almost ensured even when the main flow pipe (10) is pushed in due to crustal movement.
[0012]
7 and 8 show another embodiment of the present invention. In the present embodiment, a tapered portion (33) whose diameter increases toward the outer end is formed on the inner periphery of the outer portion (31A) of the buffer ring (31), and the tapered portion (33) The outer end is formed with a folded portion (34) that is folded to the outer peripheral side, and the folded portion (34) is extended to the far end side to become an outer cylindrical portion (35) that covers the far side portion (31B). A flange portion (36) is formed at the back end of the outer tube portion (35).
The buffer ring (31) is mounted in the buffer ring mounting groove (19) of the tube receiving part (16), and the back end of the back end part (31B) and the back end flange part of the outer cylinder part (35) (36) abuts on the step surface (17A) at the inner peripheral back end of the tube receiving portion (16). The inner diameter of the back end portion (31B) of the buffer ring (31) is equal to the inner diameter of the base tube (14A) so that there is no step on the inner periphery from the buffer ring (31) to the base tube (14A). Is set to
[0013]
FIG. 9 shows still another embodiment of the present invention. The buffer ring (41) of this embodiment is provided with a steeply tapered portion (44) as a rigid portion instead of the folded portions (24) and (34) of the buffer ring (21) and (31) of the previous embodiment. It is. Further, the rigid portion of the buffer ring of the present invention may be provided by increasing the wall thickness.
[0014]
The tube receiving portion of the present invention is made of a synthetic resin such as polyvinyl chloride, polyethylene or polypropylene, and the buffer ring is a flexible plastic such as rubber or elastomer, preferably polyethylene or polypropylene, preferably a slightly hard rubber. The filling ring is made of rubber, elastomer, or flexible plastic such as polyethylene or polypropylene, and preferably uses a material that is slightly softer than the buffer ring.
The tube receiving portion of the present invention may be applied not only to the main flow tube receiving portion of the drainage but also to the branch tube receiving portion and the inspection tube receiving portion.
[0015]
【The invention's effect】
In the present invention, as described above, the pushing force exerted on the tube by the elastic displacement deformation of the tapered portion of the buffer ring is absorbed. Therefore, the displacement deformation amount of the tapered portion is larger than the compression deformation and corresponds to a large pushing force. it is out come to, also because they are set so that no step in the inner circumference toward group pipe from the buffer ring, smooth flow of water can be ensured, also, there pipe by tectonic the pushed situation The smooth flow of water can be almost secured.
[Brief description of the drawings]
1 to 6 show an embodiment of the present invention.
[Fig. 1] Perspective view of drainage basin [Fig. 2] Cross-sectional view of tube receptacle part
[Fig. 3] A perspective view of the buffer ring [Fig. 4] A cross-sectional side view of the tube receiving portion (main pipe connection state)
FIG. 5 is a cross-sectional side view of the upper half part of the tube receiving portion when a pushing force is exerted. FIG. 6 is an explanatory cross-sectional view of the buffer ring displacement deformed state. FIGS. 7 to 8 show other embodiments. .
[Fig. 7] Cross-sectional side view of the tube receiving portion [Fig. 8] Cross-sectional view of the buffer ring displacement deformed state [Fig. 9] Side cross-section of another embodiment of the buffer ring [Fig. 11 Description of a conventional example Partial sectional side view [Explanation of symbols]
10 pipes (mainstream pipe)
14A base tube
16 Tube receiving part
17 steps
17A Inner section
18 Rubber wheel mounting groove
19 Buffer ring mounting groove
20 Rubber ring
21,31,41 Buffer ring
23,33 Taper part
24,34 Folded part
44 Steeply tapered part
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10635499A JP3926505B2 (en) | 1999-04-14 | 1999-04-14 | Buffer ring and tube receptacle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10635499A JP3926505B2 (en) | 1999-04-14 | 1999-04-14 | Buffer ring and tube receptacle structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000297894A JP2000297894A (en) | 2000-10-24 |
| JP3926505B2 true JP3926505B2 (en) | 2007-06-06 |
Family
ID=14431445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10635499A Expired - Lifetime JP3926505B2 (en) | 1999-04-14 | 1999-04-14 | Buffer ring and tube receptacle structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3926505B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5253025B2 (en) * | 2008-07-18 | 2013-07-31 | アロン化成株式会社 | Pipe connection structure, pipe fittings with it, pipes |
-
1999
- 1999-04-14 JP JP10635499A patent/JP3926505B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000297894A (en) | 2000-10-24 |
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