a mouthpiece

Abstract

The invention discloses an air tap. The air tap comprises a connecting hose of which the lower end is provided with a circular annular sheet base, an air tap main body of which the middle is provided with a through hole, and a cover, wherein the lower end of the air tap main body is inserted into the inner upper end of a hole of the connecting hose, and the upper end of the air tap main body is inserted into the cover; a convex annular table is arranged on the inner wall of the lower part of a first through hole in the air tap main body along the circumferential direction; an air tap stem is arranged in the first through hole of the air tap main body; a sealing ring is arranged at the bottom of the air tap stem; the top of the sealing ring can be tightly matched with the bottom of the convex annular table; a spring is sleeved outside the air tap stem on the upper part of the sealing ring; the upper part of the air tap stem is locked tightly and fixedly connected with an air tap core cover; the air tap core cover is inserted into the upper part in the first through hole and is in clearance fit with the upper part of the first through hole; the upper part of the spring is fixed to the air tap core cover, and the bottom of the spring is supported on the convex annular table. The air tap has great carrying power and air tightness, can be used for rapidly switching between air inflation and air deflation, and is convenient and practical.

Description

technical field [0001] The invention relates to an air nozzle for inflating and deflation, in particular to an air nozzle which can be used for inflating tents, air beds, inflatable assault boats and large and medium-sized inflatable toys. Background technique [0002] The air nozzle is an essential part of all inflatable products. The performance of the inflatable nozzle directly affects the performance of inflatable products, especially medium and large inflatable products, such as: inflatable tents, inflatable beds, assault boats, etc. They have higher requirements on the gas nozzle. It should have the following characteristics: 1. Strong bearing pressure; 2. Good airtightness; 3. Large ventilation volume to realize fast inflation and deflation; 4. Easy and quick switch between exhaust and airtight state. 5. Easy operation and safe use. [0003] However, the air nozzles on the market cannot realize the above characteristics well. At present, most of the inflation nozz...

AI Technical Summary

Problems solved by technology

This method is not only inconvenient to operate, but also when the air pressure inside the inflatable product is too high, the product will produce a large explosive force and popping sound when the air nozzle is separated from the base.

The air nozzle will be blown away by the air flow, which is easy to accidentally injure or frighten the user

There are also air nozzles that only have a single inflation function, and exhaust requires a separate exhaust nozzle to achieve

Moreover, half or more of the existing gas nozzles are mostly set inside the inflatable body, and only the mouth of the gas nozzle or a small part is exposed.

This makes it inconvenient for the user to use force when inserting the inflation tube when inflating, and it is not easy to insert firmly

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