Insulating inner tube

• Main Authors: WU XIANG, WANG CHENGLI, LU HONGZHI, VICTOR FIEDOROWICZ CHIKHOTKIN, LU CHUNHUA, JIANG GUOSHENG, ZUO GUOYONG
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2017
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses an insulating inner tube includes at least: the connecting pipe, twine fiber tube and clamp ring, the first end of connecting pipe with the one end that twines the fiber tube is connected, the clamp ring sets up the connecting pipe with twines at the outside of fiber tube junction, the connecting pipe with it is sawtooth structure or wave structure to twine the fiber tube junction. The utility model discloses be sawtooth structure or wave structure with connecting pipe and the junction design that twines the fiber tube to be provided with the clamp ring in the junction, has not only increased the connecting pipe and the area of contact that twines the fiber tube, improved the connecting pipe and twined the bonding force of fiber tube junction, restricted to twine the deformation of fiber tube under the high pressure moreover, thus has reduced the connecting pipe and has twined the fiber tube junction be used for destroying the effort that bonds, messenger the utility model disclose