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Peristaltic pump head and filling method of fluid pipeline of peristaltic pump head

A technology of fluid pipelines and peristaltic pumps, applied in the field of peristaltic pumps, can solve the problems of inaccurate pinch force control, poor reliability, easy failure, and increased system costs, and achieve the advantages of convenient installation of hoses, space saving, and reduced energy consumption Effect

Active Publication Date: 2021-05-11
BAODING LEAD FLUID TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the pump head of the peristaltic pump, if multiple channels need to be switched, generally a combination of multiple solenoid valves is used to control the on-off of each channel. The operation is more complicated, and this switching method needs to be based on the channel Multiple solenoid valves are configured in quantity, which increases the system cost
Moreover, for application scenarios with limited volume, the setting of multiple solenoid valves will cause the problem of excessive volume. In addition, the electromagnetic control method is inaccurate in controlling the clamping force, poor in stability, poor in reliability, and prone to failure

Method used

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  • Peristaltic pump head and filling method of fluid pipeline of peristaltic pump head
  • Peristaltic pump head and filling method of fluid pipeline of peristaltic pump head
  • Peristaltic pump head and filling method of fluid pipeline of peristaltic pump head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] like figure 1 It is a structural schematic diagram of the front view of Embodiment 1, and the pump head of the peristaltic pump includes: a pump body 1, an upper pressing block ( figure 1 Not shown in), the roller device 9 and the multi-channel switching device;

[0054] Wherein, the multi-channel switching device includes a rotating cam 2 and a clamping block 3, the rotating cam 2 is arranged in the groove 4 of the pump body 1, at least two guide grooves 5 are arranged around the groove 4, and the A clamping block 3 is provided in the guide groove 5, and a fixing device for installing a fluid pipeline is arranged outside the opening end of the guide groove 5. The opening end is a port of the guide groove 5 away from the rotating cam 2, and the clamping Driven by the rotating cam 2, the block 3 passes through the open end to clamp the fluid pipeline.

[0055] according to figure 1 It can be seen that the clamping block 3 is a component with a smooth arc at the front ...

Embodiment 2

[0075] This embodiment provides a solution in which the fixing device can move in parallel. Wherein, the fixing device can be divided into two parts, the first fixing device and the second fixing device, the first fixing device is arranged between the roller device and the rotating cam, the second fixing device and the second fixing device A fixture is interconnected. Wherein, it may be set that the second fixing device shares a pipe joint with the first fixing device, and the second fixing device also includes a retaining string.

Embodiment 3

[0078] The difference from the second embodiment is that the support frame of the first fixing device provided by this embodiment can rotate around the center of rotation, so that the distance between the fixing device and the rollers can be adjusted. When installing the hose, the first fixing device can be Adjust the distance closer to the rollers, so that the hose can be installed on the rollers. When the hose is installed, it is fixed with a position locking mechanism. This solution can make the installation of the hose more convenient and simple under the premise of ensuring the tension state of the hose of the peristaltic pump.

[0079] like Figure 4 and Figure 5 As shown, the first fixing device includes: a support frame 13 , a position locking mechanism 14 and a hose limiting structure 15 .

[0080] The pump body 1 is provided with a first rotating shaft 16, and the rear end of the support frame 13 is provided with a shaft sleeve ( Figure 4 not shown), the bushin...

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PUM

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Abstract

The embodiment of the invention discloses a peristaltic pump head and a filling method of a fluid pipeline of the peristaltic pump head. The peristaltic pump head comprises a pump body, an upper pressing block, a roller device and a multi-channel switching device; and the multi-channel switching device comprises a rotating cam and clamping blocks, the rotating cam is arranged in a groove of the pump body, at least two guide grooves are formed in the periphery of the groove, the clamping blocks are arranged in the guide grooves, a fixing device for installing the fluid pipeline is arranged on the outer sides of the opening ends of the guide grooves, the opening end is a port, away from the rotating cam, of the guide groove, and the clamping block is driven by the rotating cam to penetrate through the opening end to clamp the fluid pipeline. According to the scheme, a mechanical mechanism is adopted to replace an electromagnetic valve for pipeline switching, the stability and reliability of the switching device are improved, the cost is reduced, and the size of the device is reduced.

Description

technical field [0001] The present application relates to the technical field of peristaltic pumps, in particular to a pump head of a peristaltic pump and a filling method for a fluid pipeline of the pump head of the peristaltic pump. Background technique [0002] A peristaltic pump is like pinching a fluid-filled hose with your finger, and the fluid in the tube moves forward as the finger slides forward. The peristaltic pump is also based on the same principle except that the fingers are replaced by rollers. Fluid is pumped by alternately squeezing and releasing the pump's elastic delivery hose. Just like pinching the hose with two fingers, with the movement of the fingers, a negative pressure is formed in the tube, and the liquid flows accordingly. [0003] The pump head of the peristaltic pump is an important part of the peristaltic pump, which realizes the function of continuously squeezing the hose and completes the mechanical device for fluid delivery. The pump head...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B43/12F04B49/00F04B53/00F04B49/24
CPCF04B43/12F04B53/22
Inventor 王瑞鹏乔宝石刘云
Owner BAODING LEAD FLUID TECH