Miniature air charging device

Abstract

The invention discloses a miniature air charging device which comprises a valve body and an air bag. A hollow chamber body is formed in the valve body, and an air inlet communicating with the hollow chamber body is formed in the upper end of the valve body. An air outlet communicating with the hollow chamber body is formed in one end of the valve body, and an air bag port communicating with the hollow chamber body is formed in the other end of the valve body. An air inlet valve device is arranged at the air inlet, and an air outlet valve device is arranged at the air outlet. The air bag port is connected with the air bag. The miniature air charging device also comprises an end cover arranged at the air outlet, and the end cover moves along the axial direction of the valve body so as to close or open the air inlet. By changing the set positions of the air inlet and the air outlet, the volume of the miniature air charging device can be reduced, so that the occupied space is less. Meanwhile, the end cover is arranged at the air outlet of the miniature air charging device and can move to open the air inlet, and then the operation of air charging, air discharging and the like can be conducted. The end cover also can move to close the air inlet, the product is sealed well at the moment, air cannot leak, and the miniature air charging device does not need to be charged repeatedly under the condition of long-term use.

Description

[0001] This application is a divisional application of an invention patent application with the application number 201610507387.9, the application date is June 28, 2016, and the invention name is "a micro-inflatable device". technical field [0002] The invention relates to the technical field of inflatable devices, in particular to a miniature inflatable device. Background technique [0003] Products such as travel pillows and air cushions are inflated by the built-in inflatable device. This inflatable device includes an air bag and a valve body. It does not need electricity or mouth blowing. The air bag can be inflated through the valve body by continuously pressing the air bag back and forth with your hands. Among inflatable products, it is easy to operate. Wherein the air inlet and the air outlet on the valve body are arranged on the same straight line, the overall volume is relatively large, and the installation in the product needs to occupy a relatively large installa...

AI Technical Summary

Problems solved by technology

[0004] The valve set in the valve body of the inflatable device is generally an elastic plastic sheet, and its sealing to the air inlet and air outlet is not absolute. When the air inlet is opened for a long time, the air inside the product will pass through the air outlet. , The air inlet slowly leaks to the outside world. Over time, it will lead to insufficient air volume in the product and need to be re-inflated

In addition, there is also the possibility of deflation caused by misoperation. If the air inlet is not opened, misoperation will not cause deflation

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