Connector

Patent metadata

Field	Value
Publication number	US-10724664-B2
Application number	US-201715630337-A
Country	US
Kind code	B2
Filing date	Jun 22, 2017
Priority date	Jun 23, 2016
Publication date	Jul 28, 2020
Grant date	Jul 28, 2020

Abstract

Provided is a connector including: a plug to be attached to an opening of a liquid storing container and attached to an inner peripheral surface of the opening; a key ring to be attached to an outer peripheral surface of the opening extending along an axial line and including a key hole portion disposed at an outside of the outer peripheral surface with respect to the axial line; and a socket to be detachably attached to the plug and including a key rod portion to be engaged with the key hole portion. The plug and the socket are coupled together in a state where the key hole portion and the key rod portion are engaged with each other.

First claim

The invention claimed is:

1. A connector to be attached to an opening of a liquid storing container, the connector comprising:
a plug configured to be attached to an inner peripheral surface of the opening, the opening being formed into a cylindrical shape about an axial line;
an improper connection preventing member configured to be attached to an outer peripheral surface of the opening, the improper connection preventing member including a first engagement portion disposed at an outside of the outer peripheral surface with respect to the axial line; and
a socket to be detachably attached to the plug, the socket including a second engagement portion to be engaged with the first engagement portion, wherein the socket includes:
a socket body to be inserted into the plug in a state where the first engagement portion and the second engagement portion are engaged with each other, and
a lock mechanism configured to fix the socket body to the improper connection preventing member in a state where the first engagement portion and the second engagement portion are engaged with each other;

and wherein:
one of the first engagement portion and the second engagement portion is a convex portion having a convex shape projecting in a direction along the axial line;
the other one of the first engagement portion and the second engagement portion is a concave portion having a concave shape in the direction along the axial line and is configured to accommodate the convex portion;
the plug and the socket are coupled together in a state where the concave portion accommodates the convex portion;
the convex portion includes a columnar first convex member and a columnar second convex member;
the concave portion includes a first concave hole for accommodating the first convex member and a second concave hole for accommodating the second convex member; and
a leading end of the first convex member projects to a larger extent than a leading end of the second convex member.

2. The connector according to claim 1 , wherein
an outer diameter of the first convex member is larger than an outer diameter of the second convex member.

3. The connector according to claim 1 , wherein:
the improper connection preventing member includes an engagement groove formed along a circumferential direction about the axial line; and
the lock mechanism is configured to fix a plurality of lock balls to the engagement groove after the first engagement portion is engaged with the second engagement portion.

4. A connector to be attached to an opening of a liquid storing container, the connector comprising:
a plug to be attached to an inner peripheral surface of the opening, the opening being formed into a cylindrical shape about an axial line;
an improper connection preventing member to be attached to an outer peripheral surface of the opening, the improper connection preventing member including a first engagement portion disposed at an outside of the outer peripheral surface with respect to the axial line; and
a socket to be detachably attached to the plug, the socket including a second engagement portion to be engaged with the first engagement portion;
wherein the socket includes:
a socket body to be inserted into the plug in a state where the first engagement portion and the second engagement portion are engaged with each other; and
a lock mechanism configured to fix the socket body to the improper connection preventing member in a state where the first engagement portion and the second engagement portion are engaged with each other,
the improper connection preventing member includes an engagement groove formed along a circumferential direction about the axial line,
the lock mechanism is configured to fix a plurality of lock balls to the engagement groove after the first engagement portion is engaged with the second engagement portion, and
the lock mechanism includes:
the plurality of lock balls; and
a first cylindrical member formed into a cylindrical shape about the axial line and including a plurality of opening holes each having a diameter smaller than an outer diameter of the lock ball;

a second cylindrical member formed into a cylindrical shape about the axial line and including a regulating portion disposed at an outer peripheral side of the first cylindrical member, the regulating portion being configured to regulate the lock balls accommodated in the opening holes to be in a state where the lock balls are engaged with the engagement groove; and
an urging force generation portion having one end that is formed along the axial line and fixed to the first cylindrical member, and having another end that is formed along the axial line and fixed to the second cylindrical member, the urging force generation portion being configured to urge the second cylindrical member against a position where the regulating portion is in contact with the lock balls.

Assignees

• Surpass Ind Co Ltd

Inventors

• Kobayashi Masamichi
• Hasunuma Masahiro

Classifications

• B67D7/72

  Devices for applying air or other gas pressure for forcing liquid to delivery point · CPC title

• B67D7/0294 Primary

  Combined with valves · CPC title

• B67D7/02 Primary

  for transferring liquids other than fuel or lubricants · CPC title

• B67D7/344

  by checking a correct coupling or coded information · CPC title

• B67D7/0283

  specially adapted for transferring liquids of high purity · CPC title