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Peristaltic pump and pump head
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A peristaltic pump, pump head technology, applied in the direction of pumps, pump components, machines/engines, etc., can solve problems such as hindering the precise arrangement of pipe fittings
Active Publication Date: 2016-09-14
WATSON MARLOW
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Problems solved by technology
Difficulty of assembly prevents precise placement of tubes within the housing
Method used
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[0031] figure 1 and figure 2 A pump head 2 for use in a peristaltic pump is shown. The pump head 2 comprises a housing 4 having a substantially cylindrical outer wall 6 closed at opposite ends by end caps 8, 10, wherein any or all of the end caps 8, 10 may be covered by suitable Made of thermoplastic material. The outer wall 6 and / or one or both end caps can be made by moulding. The end caps 8 , 10 may be spin welded or ultrasonically riveted to the outer wall 6 to form the sealed housing 4 . The cylindrical outer wall 6 of the housing 4 defines the pump head axis. The end cover 10 includes a positioning recess 11, the drive unit 1 (in Figure 6 (shown in the middle part) is positioned in the recess 11 to ensure that the pump head 2 is arranged relative to the drive unit 1 in one of a plurality of predetermined directions.
[0032] Such as figure 2 As shown, the housing 4 is divided into a pumping chamber 16 and an auxiliary chamber 18 by a substantially cylindrical i...
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Abstract
A peristaltic pump head (2, 202), comprising a pump head housing (4, 204) accommodating a pumping pipe (52, 276), one end of the pipe (52, 276) being provided with an end fitting (70, 72, 282) ), the end fittings (70, 72, 282) have through passages (74, 76, 294), abutment shoulders (78, 80, 302) and threaded rods (82, 84, 298), the threads Rods (82, 84, 298) extend from abutment shoulders (78, 80, 302) into tube (52, 276), the ends of which abut and are received by abutment shoulders (78, 80, 302) in the opening (62, 64) in the pump head housing (4, 204), the abutment shoulder (78, 80, 302) abuts the housing (4, 204) at the opening (62, 64), And the end fittings (70, 72, 282) are engaged by retaining elements (90, 92, 290) to retain the abutment shoulders (78, 80, 302) to the housing (4, 204).
Description
technical field [0001] The invention relates to a peristaltic pump and its pump head. Background technique [0002] Peristaltic pumps are often used in applications where it is undesirable for the pumped fluid to contact the pump components. For example, peristaltic pumps are often used to pump sterile or corrosive fluids where contact of the fluid with internal pump components would potentially contaminate the fluid or damage the pump. Therefore, peristaltic pumps are commonly used in the beverage industry, where aseptic pumping processes are necessary, and in the aggregate industry, where slurries containing abrasive particles need to be conveyed. [0003] A peristaltic pump generally includes a pump casing, wherein a pipe extends through the pump casing, and a pusher, which is arranged in the pump casing for exerting a peristaltic action on the pipe. The press typically has one or more rollers or "squeegees" that move along the tubing to apply the peristaltic action. ...
Claims
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Application Information
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