Title:
ホース接続構造
Document Type and Number:
Japanese Patent JP7360770
Kind Code:
B2
Abstract:
To provide a hose connection structure which is strong in a pullout force, and high in the reliability of seal performance.SOLUTION: A connection member 1 and a cylinder part 10 are inserted into a flexible hose 2, and connected to each other. The flexible hose 2 has a resin-made inner layer 21 having a substantially-smooth internal peripheral face, and a reinforcing layer 22 including a reinforcing fiber body which is laminated on the outside of the inner layer. A first cylinder part 11 and a second cylinder part 12 located at a depth side of the hose rather than the first cylinder part 11 are arranged at the cylinder part 10. A plurality of annular protrusions 11a exerting in a substantially-triangular cross section shape is aligned at an external periphery of the first cylinder part 11, and a portion between the adjacent annular protrusions 11a is set as a first annular groove 11g. A plurality of cylindrical flat faces 12p and a second annular groove 12g located between the adjacent flat faces are formed at an external periphery of the second cylinder part 12. The second annular groove 12g is shallow in a groove depth compared with that of the first annular groove 11g, and in a position corresponding to both the first cylinder part 11 and the second cylinder part 12, the external peripheral face of the flexible hose 2 is fastened.SELECTED DRAWING: Figure 1
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Inventors:
Masashi Nakamura
Yusuke Takada
Kengo Nomura
Yusuke Takada
Kengo Nomura
Application Number:
JP2019213077A
Publication Date:
October 13, 2023
Filing Date:
November 26, 2019
Export Citation:
Assignee:
Tigers Polymer Co., Ltd.
International Classes:
F16L33/24; F16L33/207
Domestic Patent References:
| JP45008538Y1 | ||||
| JP2013241955A | ||||
| JP61028980U | ||||
| JP9100980A |