A stainless steel pipe for food machinery that effectively prevents loosening.

Stainless steel pipe is a hollow steel product, primarily used as a conveying pipeline and for mechanical structural components in industries such as light manufacturing, healthcare, chemical processing, petroleum, food processing, and machinery. Current technology… Stainless steel tubes for food machinery The following technical issues exist during use: 1 In the prior art, when a stainless steel pipe is sealed with a threaded connection and an O-ring, the pipe is prone to vibration. Under pressure fluctuations within the pipeline, the threaded joint may loosen, leading to damage to the O-ring and subsequent leakage. 2 In the prior art, when stainless steel pipes are used to convey fluid media, filters are typically installed to protect valves and instrumentation within the piping. Over prolonged operation, these filters tend to become clogged, necessitating manual disassembly of the pipeline to replace them. This requires shutting off the flow of fluid in the stainless steel line, which not only results in costly production downtime but also entails lengthy and cumbersome maintenance.

Technical highlight: The technician provides a… Stainless steel tubes for food machinery Not only is the structure simple, but it also effectively prevents loosening. To achieve these objectives, the stainless steel pipe for food machinery adopts the following technical solution: a stainless steel pipe for food machinery comprising a first connecting pipe with external threads at its right end and a second connecting pipe with internal threads at its left end. The first connecting pipe is provided, along the circumferential direction at the left end of its external threads, with protruding teeth; the second connecting pipe has an annular groove at its left end. A first sliding hole is fixedly installed and tightened at its opening. At the left end of the second connecting pipe, there are radially arranged first and second sliding holes, which serve to connect the first sliding hole with the annular groove. One end of the piston body is fitted with a locating rod that extends into the annular groove through the second sliding hole; the piston body is slidably connected within the first sliding hole. The other end of the piston body features a piston rod that extends into the screw plug. Inside the second connecting pipe, there is a first through-hole that communicates the control chamber with the inner lumen of the second connecting pipe. The protruding teeth are positioned within the annular groove; when the first and second connecting pipes are joined, the locating rod, under the action of a first spring, inserts itself between the protruding teeth. Furthermore, the first connecting pipe includes a partition that divides it into an inlet end and an outlet end. On the outer wall of the first connecting pipe, there is a transverse plate; on the outer circumference of this plate, a circular guard ring is mounted, with a cover plate securely fastened at the opening of the guard ring. The transverse plate contains an inlet communicating with the left‑hand side of the partition’s inlet end and an outlet communicating with the right‑hand side of the partition’s outlet end. An installation plate is rotatably connected between the cover plate and the transverse plate inside the housing; four mounting holes are evenly spaced around the circumference of the installation plate, each containing a filter screen. When the installation plate rotates into its working position, two of the mounting holes align directly beneath the inlet and outlet, respectively. Within the cover plate, a longitudinal communication slot runs along the axis of the first connecting pipe; at the bottom of the central communication slot of the installation plate, a protruding shaft is installed, and the center of the installation plate houses a shaft hole. The shaft hole accommodates a power shaft whose upper end extends into the first connecting pipe; the lower end of the power shaft is connected to the protruding shaft. The inner wall of the shaft hole is equipped with a track groove, while the outer surface of the power shaft features a protruding column that fits into this groove, thereby driving the installation plate to rotate about its circumference as the power shaft moves axially.

Compared with the prior art, the above-mentioned Stainless steel tubes for food machinery It has the following advantages:

1 The positioning pin is mounted on the second connecting tube and engages with the protruding teeth on the first connecting tube. The positioning disc extends between these teeth, preventing relative rotation between the first and second connecting tubes and thereby helping to prevent loosening.

2 This food‑processing machine is equipped with a stainless‑steel tube, a drive shaft, an mounting plate, and four filter screens. When the filter screen at the operating position becomes clogged, the system automatically controls the vertical movement of the drive shaft, causing the mounting plate to rotate and enabling the clogged filter screen to be replaced, thereby effectively preventing pipe blockages without requiring manual replacement.

3 When cleaning a clogged filter screen on stainless steel tubing used in food processing equipment, simply opening two caps allows for quick and convenient removal of the clog without having to stop the flow of the medium inside the pipe.

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