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Hole pressurization and protection device

A technology of pressing tablets and mounting seats, which is applied in the direction of measuring devices, measuring fluid pressure, instruments, etc., can solve the problems of only being used for pumping pressure, no self-locking function, and unable to protect pressure measuring holes, etc., achieving low manufacturing cost, The effect of convenient and reliable use and great practical value

Active Publication Date: 2015-04-29
TAIYUAN AERO INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem that the traditional hole pressurizing device has no self-locking function, can only be used for pumping pressure and cannot protect the pressure measuring hole, the present invention provides a device for hole pressurization and hole protection

Method used

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  • Hole pressurization and protection device

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Embodiment Construction

[0020] A device for hole pressurization and hole protection, including a mounting base 3, a sleeve 5, a piston rod 6, a lock 10, a nozzle 11 and an expansion piece 12, and the mounting base 3 is provided with a connecting port that communicates with an external air source. The nozzle pipe 11 and the mounting seat 3 are provided with an annular groove to press the sealing gasket 1, the mounting seat 3, the sleeve 5 and the sealing gasket 1 are connected to form a closed cavity structure, and a locker 10 is arranged in the cavity, and the mounting seat The end face of the inner cavity of 3 is provided with a mounting groove, and the expansion piece 12 is inserted into the installation groove. connection, the locking device 10 includes a locking hook 10.1 and a locking device mounting seat 10.2, the front end of the locking hook 10.1 is sequentially opened with a narrow groove 10.1a and a wide groove 10.1b interconnected, and the expansion piece 12 passes through the narrow groove...

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PUM

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Abstract

The invention discloses a hole pressurization and protection device, which comprises a mounting seat, a sleeve, a piston rod, a locker, a filler neck and an expansion sheet, wherein the filler neck communicated with an external air source is arranged on the mounting seat; an annular groove pressing sealing gasket is arranged on the mounting seat; the mounting seat, the sleeve and the sealing gasket are connected to form a sealed cavity structure in which the locker is arranged; a mounting groove is formed in the inner cavity end face of the mounting seat; the expansion sheet is inserted into the mounting groove, and is pressed and fixed by a pressing sheet; one end of the expansion sheet is arranged outside the cavity, and the other end of the expansion sheet is connected with the locker; the locker comprises a locking hook and a locker mounting seat; a narrow groove and a wide groove are sequentially formed in the front end of the locking hook, and are communicated with each other; the expansion sheet is connected with the locker through the narrow groove; the locker mounting seat is connected with a support at one end of the piston rod; a handle is arranged at the other end of the piston rod; the support end of the piston rod is arranged in the sleeve, and the handle end of the piston rod is arranged outside the sleeve; a spring sleeves the outer side of the locker; the two ends of the spring are connected with the pressing sheet and the support respectively.

Description

technical field [0001] The invention belongs to the surface pressure measurement and pressure measurement hole protection of an aviation embedded air data sensor system, in particular to a hole pressurization and hole protection device. Background technique [0002] The embedded air data sensor system calculates atmospheric data by measuring the pressure distribution on the surface of the aircraft, which can meet the flight requirements that traditional atmospheric data such as high angle of attack, hypersonic speed, and stealth cannot meet. The pressure measuring holes on the surface of the aircraft are distributed on the curved surface of the front end of the fuselage. The layout is 5-φ2 holes, and the range is within the area of ​​φ10. -The gas paths of φ2 holes communicate with each other. When the aircraft is performing performance testing on the ground, it is necessary to send air pressure (including pressurization and pumping) to the pressure measuring hole to deter...

Claims

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Application Information

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IPC IPC(8): G01L19/00
Inventor 聂美英孙肇花王玉
Owner TAIYUAN AERO INSTR
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