Cloth-filling anti-detaching method

A cloth and anti-loosening technology, applied in the direction of pipes, pipes/pipe joints/pipe fittings, mechanical equipment, etc., can solve the problems of precipitation and poor reliability, and achieve the effect of improving EMI

Inactive Publication Date: 2015-02-18
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Claims
  • Application Information

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Problems solved by technology

The previous sealing method is to use self-adhesive tape for sealing, its reliability is poor, especially when used in aerospace engineering, there are very strict requirements on the condensable volatile matter of the adhesive material, the back adhesive of the conductive tape after high and low temperature bonding has Precipitation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Cloth-filling anti-detaching method
  • Cloth-filling anti-detaching method
  • Cloth-filling anti-detaching method

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0020] Specific implementation mode one, such as Figure 1-3 As shown, the cloth 2 is sewn by the flanging method through the line 1 to form a concave long cloth strip, the width of the concave part is equal to the housing installation groove 6, and the short side of the concave long cloth strip is parallel to the surface of the instrument part 5 Winding, and then put it into the installation groove 6 of the instrument case 3; install the instrument sub-housing 4, fix it through the sealing installation groove slider 8 on the back of the instrument sub-housing 4, and then install the sealing cover 7 to complete the gap. filling. The filling of fabric 2 should ensure that the sewn flanging part is placed on the outside of the gap and the thickness is greater than the width of the gap.

[0021] combine Figure 4 and Figure 5 As shown, the method described in this embodiment mode can also be used for filling plane gaps, and can be used superimposedly.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a cloth-filling anti-detaching method, belongs to the field of optical system and electronics precise mechanical structure, and aims to solve the problems that the existing sealing method is to use an adhesive tape to seal, is poor in reliability, and particularly, when the adhesive tape is applied to the aerospace engineering, the spliced gum of the electric conducting adhesive tape after high and low temperature can be separated out. The cloth-filling anti-detaching method comprises the following steps: step 1, selecting strip-shaped cloth, utilizing a thread to carry out edge sewing on the two long sides of the cloth to form a concave long strip; step 2, utilizing the long strip formed in the step 1 to fill a gap, during the filling process, enabling the non-concave part of the concave long strip to be kept on the outer side of the gap after the gap is filled, and keeping the thickness greater than the width of the gap. The cloth adopted for sewing is selected from a conductive fabric, cotton cloth and the like. The sealing method disclosed by the invention avoids the use of glue, and the gap is filled with cloth by virtue of the physical structure of the cloth; the gap can be in irregularly geometric shape; if the special requirement is required, the conductive fabric can be used as the cloth.

Description

technical field [0001] The invention belongs to the fields of optical systems and electronic precision mechanical structures, and relates to a cloth filling anti-loosening method, in particular for physical anti-loosening and electromagnetic shielding of the wall-penetrating structure of the CCD focal plane electric box heat pipe of an aerospace camera. Background technique [0002] The existing fabric filling and anti-falling method is a sealing method derived from the inevitable gaps that need to be filled due to special reasons during the structural design of the instrument. The previous sealing method is to use self-adhesive tape for sealing, its reliability is poor, especially when used in aerospace engineering, there are very strict requirements on the condensable volatile matter of the adhesive material, the back adhesive of the conductive tape after high and low temperature bonding has Precipitation phenomenon. Contents of the invention [0003] In order to solve ...

Claims

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Application Information

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IPC IPC(8): F16L5/02
CPCF16L5/02
Inventor 高志良陈伟汪逸群郭万存
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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