Anti-drop quick pipe joint and anti-drop connection method thereof
A pipe joint and fast technology, applied in the field of pipe joints, can solve the problems of easy skew, not in place, poor reliability of anti-dropping, etc., and achieve the effect of improving reliability
Pending Publication Date: 2020-10-02
宁波天鑫金属软管有限公司
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0003] In order to overcome the above disadvantages, the purpose of the present invention is to provide an anti-off fast pipe joint and its anti-off connection method in the field, so as to solve the problem that the existing similar joints are easy to be skewed or not in place when the circlip is installed, resulting in reliable anti-off. Poor technical issues
Method used
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[0021] Now in conjunction with accompanying drawing, the present invention will be further described.
[0022] like Figure 1-Figure 3 As shown, the anti-off quick pipe joint is used for anti-off connection corrugated straight pipe 6, which includes a joint sleeve 1, a retaining spring 2, a locking sleeve 5, and a sealing sleeve 4 that is sleeved on the corrugated straight pipe. One end of the joint sleeve is provided with The perforation 101 of the corrugated straight pipe is connected, and the other end is provided with an internal thread hole, and is locked with the external thread at one end of the locking sleeve through the internal thread hole. Tapered hole 102, the large hole end of the tapered hole is provided with a C-shaped circlip, the sealing sleeve is installed between the circlip in the joint sleeve and the end of the locking sleeve, and the circlip moves along the cone when the end face of the sealing sleeve is squeezed into place. The inclined surface of the s...
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The invention relates to an anti-drop quick pipe joint and an anti-drop connection method thereof. The pipe joint comprises a joint sleeve, a snap spring, a locking sleeve and a sealing sleeve connected with a corrugated straight pipe in a sleeve mode, a penetrating hole is formed in one end of the joint sleeve, the other end of the joint sleeve is arranged in the sealing sleeve and connected withthe locking sleeve in a locked mode, a conical hole is formed in the inner end of the penetrating hole of the joint sleeve, the C-shaped snap spring is arranged at the large hole end of the conical hole, the snap spring is embedded into the conical hole along the inclined face of the conical hole when extruded in place along with the end face of the sealing sleeve, the snap spring deforms until apart of the snap spring and a corrugated groove of the corrugated straight pipe connected with the joint sleeve in a penetrating mode form clamping limiting, and then anti-drop connection is completed. The end, facing the snap spring, of the sealing sleeve is provided with a a deformation protrusion part which protrudes and is sleeved with the snap spring, the end of the deformation protrusion part is provided with an annular hook part which forms hooking limiting on the end face of the snap spring, and the snap spring is connected to the deformation protrusion part in a sleeve mode and limited on the inner side of the annular hook part before being installed. Therefore, the snap spring is automatically in place when being sleeved with the joint sleeve along with the sealing sleeve and isnot prone to inclining, the deformation reliability of the snap spring is ensured, and reliable anti-drop connection is realized.
Description
technical field [0001] The invention relates to a pipe joint, in particular to a fast pipe joint and an anti-disengagement connection method thereof. Background technique [0002] Quick connector is a kind of joint that can be used for quick connection or disconnection of pipelines, and it is widely used in the field of gas-liquid transportation. Existing quick connectors usually include a joint sleeve, a sealing sleeve and a locking sleeve. By twisting the joint sleeve and the locking sleeve, the sealing sleeve inside the joint sleeve and the butt pipeline form a tight seal, and the butt pipeline It is usually designed as a bellows, so that when the sealing sleeve is compressed and expanded in the joint sleeve, the bellows can be tightened to prevent the butt joint from being disengaged. However, the anti-disengagement ability of this quick connector is relatively limited, and there is still a risk of disengagement when the gas-hydraulic pressure in the pipe is slightly hi...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16L19/02F16L19/075F16L33/02F16L33/18
CPCF16L19/005F16L19/0206F16L19/0212F16L19/0231F16L19/075F16L33/02F16L33/18
Inventor 林爱素周苏阳
Owner 宁波天鑫金属软管有限公司