Sprayer with high sealing performance

The utility model relates to a sprayer with high sealing performance, and belongs to the technical field of sprayers. According to the main technical scheme, the pump comprises a shell, a pressing head and a pump rod. The pump rod is arranged in the shell in a penetrating mode, a mounting groove is formed in the pressing head, one end of the pump rod is embedded into the mounting groove, a sealingassembly is arranged between the pressing head and the pump rod, the sealing assembly comprises a sealing ring, and the sealing ring is arranged between the groove bottom of the mounting groove and the end of the pump rod. When the pump rod is connected with the pressing head, the sealing ring is located between the groove bottom of the installation groove and the pump rod, the sealing performance between the pump rod and the pressing head is improved, and liquid is prevented from leaking out of a gap between the pump rod and the pressing head. 本实用新型涉及一种高密封性喷雾器，属于喷雾器技术领域。其主要技术方案包括壳体、按压头以及泵杆，所述泵杆穿设于所述壳体中，所述按压头开设有安装槽，所