Structure for fixing check valve
AssigneeHitachi Unisia Automotive, Ltd.
InventorsChiharu Nakazawa, Hikaru Morita
Life of this patent
Estimating the term…
Abstract
A check-valve fixing structure includes a base body formed with a passage in which a check valve is inserted, a receiver formed in the passage, and a flange formed with a socket member of the check valve and engaged with the receiver when the check valve is inserted in the passage. With the flange being placed on a valve-seat member of the check valve and abutting on the receiver, the base body is crimped at an opening end of the passage to fix the socket member and the valve-seat member to the base body.
Claims10
A structure for fixing a check valve with a valve-seat member having a through hole and a valve seat arranged at an opening end of the through hole and having a valve element seated thereon, a socket member mounted to the valve-seat member to cover the valve element, the socket member restricting an amount of displacement of the valve element within a predetermined value, and a return spring arranged on the socket member to biasing the valve element in a seating direction, the structure comprising:
- a base body, the base body being formed with a passage in which the check valve is inserted;
- a receiver formed in the passage;
- and
- a flange formed with the socket member, the flange being engaged with the receiver when the check valve is inserted in the passage,
- wherein with the flange being placed on the valve-seat member and abutting on the receiver, the base body is crimped at an opening end of the passage to fix the socket member and the valve-seat member to the base body.
An arrangement, comprising:
- a check valve, the check valve comprising a valve-seat member having a through hole and a valve seat arranged at an opening end of the through hole and having a valve element seated thereon, a socket member mounted to the valve-seat member to cover the valve element, the socket member restricting an amount of displacement of the valve element within a predetermined value, and a return spring arranged on the socket member to biasing the valve element in a seating direction;
- a base body, the base body being formed with a passage in which the check valve is inserted;
- a receiver formed in the passage;
- and
- a flange formed with the socket member, the flange being engaged with the receiver when the check valve is inserted in the passage,
- wherein with the flange being placed on the valve-seat member and abutting on the receiver, the base body is crimped at an opening end of the passage to fix the socket member and the valve-seat member to the base body.
Dependencies are inferred from the claim text.