Manufacturing method of pressure-taking structure, pressure-taking structure and flow rate sensor
A production method and a technology of limiting segments, which are applied in the evaluation of respiratory organs and other directions, can solve the problems of low pressure taking accuracy and affect lung function tests, and achieve the effect of stable pressure and improved accuracy.
Active Publication Date: 2021-06-18
GUANGZHOU HONGXIANG MEDICAL TECH CO LTD
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Problems solved by technology
[0003] However, the traditional sieve has low precision in pressure taking during the pressure taking process, which affects the test of lung function
Method used
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[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.
[0032] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "fixed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. It should be pointed out that when an element is ...
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The invention discloses a method for making a pressure-taking structure, a pressure-taking structure and a flow rate sensor; the method for making the pressure-taking structure includes: (S1), providing a covering part and a screen, and the covering part includes a first limit section, the middle section and the second limiting section, wherein, one end of the middle section is connected with the first limiting section, and the other end is connected with the second limiting section, and the length of the second limiting section is greater than the length of the first limiting section , set the outer edge of the screen on the pressure-bearing surface of the second limiting section, bend the middle section relative to the second limiting section, and bend the first limiting section relative to the middle section so that the first limiting section and The second limiting section is relatively spaced to form a clamping portion, and the clamping portion is squeezed so that the clamping portion clamps the outer edge of the fixed screen; (S2), extending the second limiting section relative to the first limiting section The part is bent along the direction close to the screen, so that the second limiting section abuts against the screen and drives the screen to bend; (S3), applying a tension force to the screen to tension the screen.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to a manufacturing method of a pressure-taking structure, a pressure-taking structure and a flow rate sensor. Background technique [0002] Screens are used in a wide range of applications, ranging from screening and washing in industrial mining, such as coal and rare earth mines, to filtering in food factories. Current research shows that the stainless steel mesh has good linearity in lung function tests and can be used in the pressure-taking structure of lung function testers. [0003] However, the traditional sieve has low pressure-taking accuracy during the pressure-taking process, which affects the test of lung function. Contents of the invention [0004] Based on this, aiming at the problem that the traditional sieve has low pressure-taking accuracy and affects the test of lung function during the pressure-taking process, a method for making a pressure-taking struct...
Claims
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IPC IPC(8): B21D11/10A61B5/08
CPCA61B5/08B21D11/10
Inventor 赵亮兵李扬明吴日升
Owner GUANGZHOU HONGXIANG MEDICAL TECH CO LTD