Patent ID: 9322497
Filing Date: 2016-04-26
CPC Classification: F16L,F24C

Claim Text:
1. A connector assembly for gas appliances, comprising: a connecting pipe, having a first pipe portion and a second pipe portion, the first pipe portion and the second pipe portion include a first angle therebetween and are fluidly connected with each other, a first screw hole is passed through one side of the first pipe portion adjacent to the second pipe portion, a second screw hole is passed through one side of the second pipe portion adjacent to the first pipe portion, the first screw hole is provided for detachably screwing a first bolt, and the second screw hole is provided for detachably screwing a second bolt; a first screw pipe, having a lower pipe section, a first screw nut section, and a first upper pipe section, two ends of the first screw nut section are respectively fluidly connected to the lower pipe section and the first upper pipe section, at least one first concave ring portion and a first ring groove portion are arranged at outside of the lower pipe portion, a first ring shoulder portion is arranged at bottom of the lower pipe section, the lower pipe portion is disposed inside the first pipe portion, a first sealing ring is covered the at least one first concave ring portion, a first upper spacer is surrounded the first ring shoulder portion, a first lower spacer is arranged between the bottom of the lower pipe section and the first pipe portion to make tight connection and air proof between inside of the first pipe portion and the lower pipe section, a first outer threaded portion is arranged at outside of the first upper pipe portion, the first ring groove portion is arranged corresponding to the first screw hole and provided for receiving a plurality of first balls, the first bolt is against the first balls to move and then the first screw pipe is rotatably arranged relative to the first pipe portion; and a second screw pipe, having a second screw nut section and a second upper pipe section, the second screw nut section and the second upper pipe section are included a second angle therebetween and fluidly connected with each other, an inner threaded portion is formed at inside of the second screw nut section, at least one second concave ring portion and a second ring groove portion are arranged at outside of the second upper pipe section, a second ring shoulder portion is arranged at the top of the second upper pipe section, the second upper pipe section is arranged inside the second pipe portion, a second sealing ring is covered the at least one second concave ring portion, a second lower spacer is surrounding the second ring shoulder portion, a second upper spacer is arranged between the top of the second upper pipe section and the second pipe portion to make tight connection and air proof between inside of the second pipe portion and the second upper pipe section, the second ring groove portion is arranged corresponding to the second screw hole and provided for receiving a plurality of second balls, the second bolt is against the second balls to move and then the second screw pipe is rotatably arranged relative to the second pipe portion.