Metering pump with entire solid eccentric wheel travel adjustment mechanism

A technology of integral eccentric wheel and stroke adjustment, applied in the field of metering pumps, can solve the problems of large fluctuation in metering accuracy, complex structure, and insufficient service life, and achieve the effects of improving bearing capacity, high metering accuracy, and long service life.

Active Publication Date: 2013-10-23
DEPAMU HANGZHOU PUMP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The structure of the stroke adjustment mechanism in the prior art is complicated, and it is prone to eccentric wear caused by rotation or axial move

Method used

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  • Metering pump with entire solid eccentric wheel travel adjustment mechanism
  • Metering pump with entire solid eccentric wheel travel adjustment mechanism
  • Metering pump with entire solid eccentric wheel travel adjustment mechanism

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Experimental program
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Effect test

Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] like figure 1 The sliding rod stroke adjustment mechanism shown includes an adjusting screw 1, a moving shaft 2, a hollow shaft 3, a connecting rod 5, an integral eccentric wheel 7, a worm wheel 8, a worm 9, and a sliding rod 10. The adjusting screw 1 One end of the moving shaft 2 can be connected to the coaxial relative rotation, the moving shaft 2 is inserted into the hollow shaft 3, the moving shaft 2 is provided with a chute 2-1, and the chute 2-1 is provided with The slider 6, the hollow shaft 3 is covered with an integral eccentric wheel 7, the integral eccentric wheel 7 is fixed to the connecting rod 5, the connecting rod 5 is connected to the sliding rod 10, and the hollow shaft 3 A worm wheel 8 is sleeved on the top, and the worm wheel 8 is engaged with the worm 9 .

[0025] Described adjusting screw mandrel 1 passes through round nut 14, lock plate...

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Abstract

The invention discloses a metering pump with an entire solid eccentric wheel travel adjustment mechanism. The metering pump comprises an amount adjustment lead screw, a moving shaft, a hollow shaft, a connection rod, the entire eccentric wheel, a worm gear, a worm and a slide rod, wherein one end of the amount adjustment lead screw is connected with the moving shaft in a mode of coaxial relative motion, the moving shaft is sleeved in the hollow shaft, a chute is formed in the moving shaft, a slide block is arranged in the chute, the entire eccentric wheel is sleeved on the hollow shaft and fixed with the connection rod, the connection rod is connected with the slide rod, and the worm wheel is in cup joint to the hollow shaft and is meshed with the worm. The metering pump is large in bearing capacity, high in metering precision and long in service life.

Description

technical field [0001] The invention relates to a stroke adjustment mechanism, in particular to a metering pump with an integral eccentric wheel stroke adjustment mechanism. Background technique [0002] Metering pump is a reciprocating pump capable of metering and transporting liquid. In addition to the characteristics of reciprocating pumps, it also has the characteristics of stepless flow adjustment. The metering pump is composed of a motor, a transmission box, a cylinder block and other parts. The transmission box includes a connecting rod cam mechanism, a stroke adjustment mechanism and a deceleration mechanism, and the stroke adjustment mechanism is an important part of the metering pump to realize stepless flow adjustment. [0003] The patent document with the document number CN 1796786A describes a stroke adjustment mechanism of a metering pump, including a worm wheel, a worm, an adjustment rod and an eccentric wheel. The eccentric wheel is connected to a connecting ...

Claims

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Application Information

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IPC IPC(8): F04B13/00F04B49/12
Inventor 周良
Owner DEPAMU HANGZHOU PUMP TECH
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