Novel corrugated tube
A corrugated pipe, a new type of technology, applied in the direction of pipe components, threaded connections, pipes/pipe joints/fittings, etc., can solve the problems of high cost, easy deformation, unfavorable installation, etc., and achieve simple and labor-saving installation process, good sealing, non-deformable effect
Inactive Publication Date: 2015-12-09
江苏广通管业制造有限公司
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Problems solved by technology
However, at present, the corrugated pipes are prone to deformation when subjected to excessive pressure, and during the connection process of the corrugated pipes, due to the complicated joint structure and high cost, it is not conducive to installation. unnecessary waste
Method used
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Embodiment Construction
[0014] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0015] figure 1 with figure 2 A specific embodiment of the present invention is shown: a new corrugated pipe of the present invention includes a corrugated pipe main body 1 and a joint 4, the corrugated pipe main body 1 includes an outer wall 1, a reinforcement layer 7 and an inner wall 8, and the reinforcement layer 7 Located between the outer wall 6 and the inner wall 8, the two ports of the bellows main body 1 are provided with threaded pipes 2, one end of the threaded pipe 2 is welded and fixed to the port of the bellows main body 1, and the middle part of the joint 4 An annular groove 3 perpendicular to its axis is provided, and a sealing ring 5 for fixing the bellows is arranged in the annular groove 3, and internal threads matching the threaded pipe 2 are arranged in the two ports of the joint 4, and the reinforcement The thickness ...
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The invention discloses a novel corrugated tube which comprises a corrugated tube body and a connector, wherein the corrugated tube body comprises an outer wall, a reinforcing layer and an inner wall; the reinforcing layer is positioned between the outer wall and the inner wall; a threaded tube is arranged at each of the two end openings of the corrugated tube body; one end of each of the threaded tubes is fixed with the corresponding end opening of the corrugated tube body in a welding manner; an annular groove vertical to the axis of the connector is formed in the middle position of the connector; a sealing ring for fixing the corrugated tube is arranged in the annular groove; inner threads that are matched with the threaded tubes are arranged in the two end openings of the connector. The novel corrugated tube provided by the invention has the benefits as follows: the threaded tubes are arranged at the two ends of the corrugated tube body, and each of the threaded tubes is matched with the thread in the end opening of the corresponding end of the connector, therefore the mounting process is simple, convenient and labor-saving, and at the same time a good sealing property is ensured by the sealing ring in contact with the corrugated tube body, and besides, as the reinforcing layer is arranged between the outer wall and the inner wall of the corrugated tube body, deformation is not easily caused during long-term use of the corrugated tube.
Description
technical field [0001] The invention relates to the field of pipeline tools, in particular to a novel bellows. Background technique [0002] The corrugated tube is a tubular elastic sensitive element that is only connected by foldable corrugated sheets along the folding and stretching direction, and is a cylindrical thin-wall corrugated shell with multiple transverse corrugations. Bellows are widely used in instruments and meters. The main purpose is to fix the opening, the sealing section is in a free state, and the auxiliary coil spring or reed is used to increase the elasticity. When working, it extends along the length of the pipe under the action of internal pressure, so that the movable end produces a displacement that has a certain relationship with the pressure. The movable end drives the pointer to directly indicate the pressure. Bellows can be divided into metal bellows and non-metal bellows according to the material; according to the structure, it can be divided...
Claims
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IPC IPC(8): F16L51/02F16L15/04
CPCF16L51/025F16L15/007F16L15/04
Inventor 徐广林
Owner 江苏广通管业制造有限公司