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one way exhaust valve

A one-way exhaust valve and exhaust hole technology, applied in the direction of control valve, valve device, functional valve type, etc., can solve problems such as broken bags, and achieve the effect of reducing broken bags and reducing shock waves.

Active Publication Date: 2016-01-20
FOSHAN CITY SHUNDE DISTRICT HUAZHONG IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the packaging bag full of goods is being transported or dropped from a high place, due to the air in the bag, the shock wave generated by the air will cause the bag to break

Method used

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Embodiment Construction

[0016] The present invention will be described in detail below with the best embodiment.

[0017] Such as Figure 1-2 As shown, the one-way exhaust valve includes a packaging bag with a packaging bag exhaust hole 4-1 on the inner wall 4 of the packaging bag, and also includes a one-way exhaust valve composed of a valve seat 1, a self-sealing valve piece 2 and a valve cover 3. valve;

[0018] The valve seat 1 is a hat-shaped structure, the bottom of the valve seat 1 has a valve seat air intake hole 1-1, and the center of the bottom has a positioning ring 1-2, and the valve seat 1 is covered on the inner wall 4 of the packaging bag, and there is a packaging bag exhaust The position of the hole 4-1, the edge of the valve seat 1 is connected with the inner wall 4 of the packaging bag;

[0019] The valve cover 3 is a flat-bottomed bowl-shaped structure with a diameter smaller than the valve seat 1. The bottom of the bowl of the valve cover 3 has a valve cover exhaust hole 3-1, an...

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PUM

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Abstract

A unidirectional exhaust valve relates to a non-return valve structure, wherein a packing bag exhaust hole is formed in the inner wall of the packing bag; the non-return valve structure further comprises a valve seat, a self-sealing valve plate and a valve cap; valve seat air inlet holes are formed in the bottom of the valve seat, a positioning ring is arranged in the center of the bottom of the valve seat; the valve seat covers the position where the packing bag exhaust hole is formed, of the inner wall of the packing bag, and the edge of the valve seat is connected to the inner wall of the packing bag; the valve cap adopts a flat-base bowl-shaped structure of which the diameter is smaller than that of the valve seat; valve cap exhaust holes are formed in the bowl bottom of the valve cap; another positioning ring is arranged in the center of the bottom; the valve cap is arranged in the valve seat; an opening of the valve cap faces to the valve seat air inlet holes; the edge of the valve cap is embedded in a groove in the bottom periphery of the valve seat to form a concave-convex buckle; the self-sealing valve plate adopts a plate-shaped structure; a cross opening is formed in the center of the self-sealing valve plate; the self-sealing valve plate is arranged between the valve seat air inlet holes of the valve seat and the positioning ring of the valve cap. By adopting the unidirectional exhaust valve, problems that a current packing bag can be broken in the process of transportation or falling off from a high place, and air enters the bag caused by deformation of the valve plate due to oversize external force can be solved.

Description

technical field [0001] The invention relates to a one-way valve structure, in particular to a packaging bag exhaust device. Background technique [0002] At present, many products need to be packaged in packaging bags. After the products are packaged in the packaging bags, some gas will remain in the bags. Some fermented foods also produce gas in the packaging bag. When the packaging bag full of goods is being transported or dropped from a high place, due to the air in the bag, the shock wave generated by the air will cause the bag to break. Air trapped in the bag can also deteriorate moisture-sensitive powdered and granular materials. Contents of the invention [0003] The purpose of the present invention is to make up for the defects of the prior art, and provide a one-way exhaust valve which can not only effectively exhaust air, but also has waterproof, moisture-proof and leak-proof functions. [0004] In order to achieve the above object, the present invention adopt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K15/14B65D33/01B65D30/24
Inventor 廖海全廖舜全
Owner FOSHAN CITY SHUNDE DISTRICT HUAZHONG IND CO LTD
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