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Damping coupling and sampling needle lifting structure and a manual valve composed of damping coupling

A coupling and damping technology, which is applied in the field of sampling needle lifting structure and manual valve, can solve the problems of high cost and complicated torque control, and achieve the effect of low cost and small space occupation

Pending Publication Date: 2021-09-17
BEIJING LABTECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a damping coupling and the sampling needle lifting structure and manual valve composed of it, so as to solve the technical problems of complicated torque control and high cost

Method used

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  • Damping coupling and sampling needle lifting structure and a manual valve composed of damping coupling
  • Damping coupling and sampling needle lifting structure and a manual valve composed of damping coupling
  • Damping coupling and sampling needle lifting structure and a manual valve composed of damping coupling

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Embodiment Construction

[0027] Such as Figure 1-Figure 3 As shown, the present invention provides a damping coupling, which has a main body 1, a plurality of damping plates 2 and an output shaft 3, wherein:

[0028] An installation space is formed in the main body 1 for fixing the plurality of damping sheets 2;

[0029] The damping plate 2 has an outer edge matching the main body 1 and an inner hole matching the output shaft 3, and its preferred structure is as follows Figure 4 As shown, the inner hole is an arc-shaped open hole with a central angle of more than 120 degrees, and the outer edge is provided with two positioning parts (preferably positioning hooks 21) arranged opposite to each other; the plurality of damping sheets 2 are arranged in layers In the installation space of the main body 1, the two positioning hooks 21 of the damping sheet 2 are resisted by the inner wall of the installation space of the main body 1 and cannot rotate in both directions;

[0030] Part of the length of the ...

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Abstract

The invention provides a damping coupling and a sampling needle lifting structure and a manual valve composed of the damping coupling. The damping coupling is provided with a plurality of damping fins and an output shaft, part of the length of the output shaft is in close fit connection with inner holes of the damping fins, and when the output shaft and the damping fins rotate relative to each other, the damping effect is provided by friction force. According to the damping coupling, the determined damping torque can be formed between a main body and the output shaft, the damping torque can be accurately adjusted by increasing or decreasing the number of the damping fins, and therefore the damping coupling has the advantages of being simple, reliable, low in cost, small in occupied space and the like.

Description

technical field [0001] The invention relates to a damping shaft coupling and a lifting structure of a sampling needle and a manual valve composed of the same. Background technique [0002] With the rapid development and application of the global industrialization process, automation and intelligence have been rapidly developed and popularized. Automation and intelligence complement each other, but in the process of automation, it is often necessary to add sensors for auxiliary control, but it will cause problems such as high price, additional installation space, measurement circuit and control program assistance, causing many problems for automation solutions. limiting factors. [0003] In the automation application process, electric actuators often use motors as power components. In some application scenarios, it is necessary to detect and constrain the execution force of the motor to achieve collision detection and rated torque output. Usually, torque sensors are added A...

Claims

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Application Information

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IPC IPC(8): F16D7/02F16H35/10F16H25/20F16K31/04F16K31/05H02K7/00G01N1/02
CPCF16D7/027F16H35/10F16K31/048F16K31/05H02K7/003G01N1/02F16H2025/2081F16H2025/2096
Inventor 刘永利朱苗苗甄士琳宁丽娜郭艳芹谢新刚邓宛梅胡克
Owner BEIJING LABTECH
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