Design method of rotatable pressure switch with limiting device

A technology of limit device and pressure switch, applied in electrical switches, electrical components, circuits, etc., can solve the problems of affecting service life, winding of pressure switch wires, non-rotating pressure measuring device, etc., to prolong service life and facilitate reading Effect

Inactive Publication Date: 2020-05-22
NANJING WOTIAN TECH
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Problems solved by technology

[0002] In practical applications, after connecting the existing pressure measuring device to the equipment under test, the following situations will occur: ①The pressure measuring device cannot be rotated, and the pressure measuring device is not arranged according to the preset direction, that is, it is inconvenient to read the display of the pressure measuring device The above data; ②The rotation angle of the pressure measuring device is greater than 360 degrees, which will cause the internal wires of the pressure switch to be entangled and affect its service life

Method used

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  • Design method of rotatable pressure switch with limiting device

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Embodiment Construction

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0014] A design method for a rotatable pressure switch with a limit device, comprising the following process steps:

[0015] ①The housing part 2 is connected to the stop part 7b by welding;

[0016] ②The shell part 2 slides onto the process part 3 through the gap, the shell part 2 and the process part 3 rotate relative to each other, and the sealing ring 6 ensures that the connection between the shell part 2 and the process part 3 is water-resistant is impermeable;

[0017] ③ The core body 4 is fixed on the process part 3 through the pressure ring;

[0018] ④ The columnar part 7a is fixed to the non-central position of the process part 3 by means of threaded connec...

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Abstract

The invention discloses a design method of a rotatable pressure switch with a limiting device, and belongs to the technical field of pressure sensor packaging processes. The method comprises the following main process steps: a shell part is connected with a stop part in a welding manner; the shell part slides to the process part through the gap, the shell part and the process part rotate relativeto each other, and the sealing ring ensures that the connection of the shell part and the process part is impermeable to water; a columnar part is fixed to the non-center position of the process partin a threaded connection mode, and when the shell part rotates relative to the process part, it is ensured that the columnar part makes contact with the stop part so as to limit the maximum 360-degreerotating movement of the shell part and the process part. The design method has the advantages that: (1) the pressure switch is rotatable, so that data on the pressure switch display can be read conveniently; and (2) the maximum rotation angle of the pressure switch is 360 degrees, so that internal wires cannot be wound, and the service life is prolonged;

Description

technical field [0001] The invention relates to a design method of a rotatable pressure switch with a limit device, and belongs to the technical field of pressure sensor packaging technology. Background technique [0002] In practical applications, after connecting the existing pressure measuring device to the equipment under test, the following situations will occur: ①The pressure measuring device cannot be rotated, and the pressure measuring device is not arranged according to the preset direction, that is, it is inconvenient to read the display of the pressure measuring device The above data; ②The rotation angle of the pressure measuring device is greater than 360 degrees, which will cause the internal wires of the pressure switch to be entangled and affect its service life. In this regard, our company proposes a manufacturing method with a rotatable pressure switch. Contents of the invention [0003] The object of the present invention is to propose a manufacturing me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H35/26
CPCH01H35/26
Inventor 高峰肖甲
Owner NANJING WOTIAN TECH
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