Manual automatic tire shut-off valve and operation method thereof

Manual automatic tire shut-off valve and operation method thereof

  • CN 103,343,827 A
  • Filed: 07/18/2013
  • Published: 10/09/2013
  • Est. Priority Date: 07/18/2013
  • Status: Active Application
First Claim
Patent Images

1. one kind is used for the manual automatic tire cut-off valve that automobile charges and discharge gas, and this manual automatic tire cut-off valve comprises main valve and ball valve two-part, it is characterized in that:

  • Described main valve comprises connecting rod (1), an O type rubber seal (2), sealing nut (3), the 2nd O type rubber seal (4), the 3rd O type rubber seal (5), main valve body (6), the 4th O type rubber seal (7), moving piston (8), spring (9), main valve lid (10), circlip for hole (12), fixed base (21), described connecting rod (1) links to each other with the rotary seal air chamber by screw thread, and an O type rubber seal (2) makes it to seal air tight;

    Sealing nut (3) is fixed on the main valve body (6) by screw thread, the 2nd O type rubber seal (4) is contained in sealing nut (3) groove, and connecting rod (1) stretches in sealing nut (3) chamber, the 3rd O type rubber seal (5) is contained in connecting rod (1) groove, the 4th O type rubber seal (7) is contained in and forms sealing between moving piston (8) and main valve body (6), spring (9) is contained between moving piston (8) and main valve lid (10), main valve lid (10) is fixed in the main valve body (6) by circlip for hole (12), and fixed base (21) is fixed on the main valve body (6) by hexagon socket head cap screw;

    Described ball valve comprises the 5th O type rubber seal (11), ball valve body (13), lid (14), positioning ring (15), the 6th O type rubber seal (16), solid of rotation (17), valve inside cap (18), valve inside (19), ball valve connecting head (20), bar (22) is tightly connected, interior hexagonal retainer ring (23), seal ring (24), ball valve core (25), described lid (14) is fixed on positioning ring (15) by bayonet socket, positioning ring (15) becomes one by the round key drive fit with solid of rotation (17), the 6th O type rubber seal (16) is contained in solid of rotation (17) upward and ball valve body (13) sealing, ball valve connecting head (20) has connected solid of rotation (17) by keyway up and down and ball valve core (25) also can rotate synchronously, valve inside (19) and valve inside cap (18) are fixed on the ball valve body (13) by inside and outside two screw threads respectively, seal ring (24) is contained in the counterbore of ball valve body (13) and interior hexagonal retainer ring (23) and is used for fixing ball valve core (25), and metal knitted connection flexible pipe is used for connecting the threaded coupling that ball valve body (13) is gone up threaded coupling and tyre valve core.

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