One-way valve sealing structure in liquid adding gun

The utility model discloses a one-way valve sealing structure in a liquid adding gun, which comprises a one-way valve core, the one-way valve core is divided into a mounting end and a sealing lip, thefront end of the sealing lip is provided with an energy storage ring through a sealing valve head gland, and the sealing valve head gland is connected with the one-way valve core in a threaded connection manner; the liquid adding gun is reasonable in design, simple in structure, convenient to use and capable of being safer and more reliable in the liquid adding process; after long-term use, whenthe valve core is not tightly sealed, the valve core can be directly replaced; and the maintenance/operation is simple and convenient. 本实用新型公开一种加液枪中单向阀密封结构，包括单向阀芯，所述单向阀芯分为安装端和密封唇，所述密封唇前端通过密封阀头压盖安装有蓄能圈，该密封阀头压盖通过螺纹连接方式与单向阀芯连接；本实用新型设计合理，结构简单，使用方便，能够使得加液枪在加液过程中，更加安全，可靠；长期使用后，当出现阀芯密封不严时，直接更换阀芯即可；维修/操作简单，方便。