Spring-type buoyancy pressure-resistant cable and manufacturing method thereof, squeeze-type fuel tank

Abstract

The invention provides a spring-type buoyancy pressure-resistant cable and its manufacturing method, and a squeeze-type fuel tank, which solves the problem that the existing squeeze-type fuel tank uses a traditional cable to affect the movement of the piston, and the piston cannot move at the extreme position when a sensor is installed. , A problem that affects normal use. A spring-type buoyant pressure-resistant cable includes a base cable; the outside of the base cable is wrapped with a pressure-resistant layer and a buoyancy layer in turn from the inside to the outside, so that the cable is in a suspended state in the extruded medium; the shape of the cable is the pitch of the free state. A spring shape equal to the outer diameter of the cable; the cable is provided with vulcanized watertight electrical connectors at both ends. The displacement fuel tank includes a shell, a front cover, a rear cover, an inner tube, a piston with a sealing structure, and the above-mentioned spring buoyancy pressure-resistant cable; the spring-type buoyancy pressure-resistant cable is sleeved on the inner tube, and one end of the The vulcanized watertight electrical connector is connected with the electrical connector of the front cover, and the vulcanized watertight electrical connector at the other end is connected with the electrical connector of the sensor on the piston.

Description

technical field [0001] The invention belongs to the technical field of cables, and in particular relates to a spring-type buoyancy pressure-resistant cable, a manufacturing method thereof, and an extruded fuel tank. Background technique [0002] The displacement fuel tank is used to store fuel and provide a displacement pressure not greater than a certain pressure to squeeze the fuel out of the fuel tank; it is mainly composed of a casing, a front cover, a rear cover, a piston with a sealing structure and Composed of inner tubes; the front cover and the rear cover are respectively installed at both ends of the housing; the inner tube is located in the housing and is coaxial with the housing, and its two ends are respectively installed on the front cover and the rear cover; with a sealing structure The piston (hereinafter referred to as the piston) is set on the inner tube; various sensors are arranged on the piston, and the power supply and signal transmission of the sensor ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the traditional cables in the existing displacement fuel tank affect the movement of the piston, and the piston cannot move to the limit position when the sensor is installed, which affects the normal use. It provides a spring-type buoyancy pressure-resistant cable and Its manufacturing method, extrusion type fuel tank

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