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Waterproof vent valve and encapsulation method thereof

A technology of waterproof breathable valve and packaging method, which is applied in the direction of cooling/ventilation/heating transformation, casing/cabinet/drawer parts, etc., and can solve performance degradation, packaging design, technical failure, and short service life of the breather valve And other issues

Active Publication Date: 2012-05-30
东莞市维赛实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the breathable valve encapsulates the breathable membrane in a plastic shell, the existing packaging technology uses glue and ultrasonic technology to fuse the two. The packaging design and technology of the breathable membrane and the valve body are not good enough, and the force is not enough. Or improper force will cause the seal between the breathable membrane and the plastic shell to be lax, or the membrane will fall off easily due to aging, resulting in water seepage, so that the service life of the breather valve will be short and the performance will be unstable, which will also reduce the performance of the equipment used. reduce lifespan

Method used

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  • Waterproof vent valve and encapsulation method thereof
  • Waterproof vent valve and encapsulation method thereof
  • Waterproof vent valve and encapsulation method thereof

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Embodiment Construction

[0022] The preferred embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0023] Such as Figure 1 ~ Figure 3 As shown, the waterproof and breathable valve of the present invention includes a nut 1, a screw 2, an insert 3 and a waterproof and breathable membrane, and a through hole 21 is provided inside the screw 2 to communicate with the nut 1 . And the waterproof and breathable membrane is encapsulated in the nut 1 through the insert 3 . Preferably, the material of the waterproof and gas-permeable membrane is water-repellent and oil-repellent expanded polytetrafluoroethylene ePTFE. The shape of the nut 1 can be hexagonal as shown in the figure, or other shapes such as circle, square, etc.

[0024] Wherein, the insert 3 is an insert with a hole, which can be as figure 2 The circular ring shown can also be designed as an elliptical ring, a square frame, a sieve, etc. as required. There is a circle ...

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Abstract

The invention discloses a waterproof vent valve, which comprises a screw cap, a screw stem, a waterproof vent film and an insert with a hole. The insert can be embedded in the screw cap to contain the waterproof vent film and seal the waterproof vent film in the screw cap. After the scheme is adopted, the invention closely encapsulates the waterproof vent film and a plastic valve together throughthe simple inset structure and realizes secondary sealing through further hot melting.

Description

technical field [0001] The invention relates to a waterproof breathable valve and a packaging method thereof. Background technique [0002] Outdoor electronic devices, LED lamps, landscape lamps, automotive lamps, sealing equipment, communication equipment, sensors and other equipment that need to be breathable, waterproof and dustproof can reduce the stress of the casing sealing strip by balancing the pressure, and prevent the pressure from accumulating and damaging the casing seal. Maintaining a good ventilation condition avoids the pressure increase of the equipment due to the accumulation of internal gas, which damages the sealing strip of the casing, and makes the internal sensitive electronic components suffer from water and dust attack. Waterproof and breathable valve products can still breathe when the environmental conditions change, which greatly reduces the failure of electronic and inductive products caused by salt corrosion, greatly reduces fogging and condensat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K5/02H05K7/20
Inventor 马金辉
Owner 东莞市维赛实业有限公司
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