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Constant volume bomb window

A technology of constant volume bullets and windows, which is applied to the testing of measuring devices, instruments, machines/structural components, etc., to achieve the effects of ensuring safety, improving sealing effects, and reducing stress concentration

Active Publication Date: 2015-02-04
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When the constant volume bomb is impacted by pressure, the O-ring can effectively buffer and solve the problem that the gasket seal cannot be used under high sealing pressure, but at the same time, a large stress concentration will be formed in the O-ring seal, directly It is not feasible to use it on the glass window. In the present invention, the use of two metal gaskets can effectively solve this problem. The stress formed by the O-shaped sealing ring can be evenly transmitted to the glass window through the metal gasket, which effectively protects the glass window safety

Method used

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Examples

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Embodiment 1

[0022] As shown in the figure, the constant volume bomb viewing window of this embodiment includes a constant volume bomb body 1, an annular glass window 2, an O-shaped sealing ring 3, a first metal gasket 4, a second metal gasket 5, a first rubber sealing gasket 6, The second rubber sealing washer 7, the pressure plate 8, the stud 9 and the nut 10; wherein:

[0023] The first metal washer 4 and the second metal washer 5 have the same structure and are located on both sides of the glass window 2 respectively. The edges of the first metal washer 4 and the second metal washer 5 are provided with an annular boss 11 towards the side of the glass window 2; The inner diameter of the annular boss 11 is slightly larger than the outer diameter of the glass window 2; the annular edge of the glass window 2 is an arc transition, and the bodies of the first metal gasket 4 and the second metal gasket 5 are connected to the annular boss 11. An avoidance recess 12 is provided at the place, so...

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Abstract

The invention aims to provide a constant volume bomb window with a glass window protection structure to solve the problems of uneven stress and bumping damage to a traditional volume bomb glass window. When the constant volume bomb window is impacted, impact force can be effectively buffered, and volume bomb sealing is ensured. The constant volume bomb window comprises a constant volume bomb body, a circular glass window, an O-shaped sealing ring, a first metal washer, a second metal washer, a pressing plate, bolts and nuts, the first metal washer and the second metal washer are the same in structure and positioned on two sides of the glass window respectively, annular bosses are arranged at the edges of the first metal washer and the second metal washer and face one side of the glass window, bolt holes are formed in the periphery of the pressing plate, one end of the bolt is fixed to the constant volume bomb body, and the other end of the bolt penetrates the bolt hole of the pressing plate and is connected with the nut, so that the O-shaped sealing ring, the first metal washer, the glass window, the second metal washer are fixedly compressed between the constant volume bomb body and the pressing plate.

Description

technical field [0001] The invention belongs to the technical field of engine design and testing, and in particular relates to a constant-volume bomb window in the field of engine fuel injector spray research. Background technique [0002] At present, most of the glass windows of constant-volume bombs do not have a glass window protection structure. During the installation and disassembly process, there will be uneven force and bumps on the glass, which will cause damage to the glass window, affect the mechanical properties of the glass window, and cause the glass window to break. Crack or constant volume bomb leakage. Constant-volume bombs need to be ventilated frequently during use, so that the constant-volume bombs will be impacted by internal and external pressure. However, most of the current constant-volume bombs use a first-level seal. It is difficult to ensure that the constant-volume bomb windows can buffer the impact of the volume bomb. While ensuring sealing. C...

Claims

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Application Information

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IPC IPC(8): G01M15/02
Inventor 刘华龙琚雪明王伟
Owner CHERY AUTOMOBILE CO LTD
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