Hydraulic pipe fitting with lubricating function and convenient to install

The hydraulic pipe fitting with the lubricating function and convenient to install comprises a main body, an adapter block and a sealing plug, the left end of the main body is connected with an outer screw rod, a fixing block is arranged on the outer wall of the outer screw rod, and the sealing plug is fixed to the tail end of an elastic band. The hydraulic pipe fitting with the lubricating function and convenient to install is provided with the sealing plug, through the arrangement of the sealing plug, when the main body is in an unused state, the right end of the main body can be directly sealed through the sealing plug, and the situation that the main body is open for a long time, dust, impurities and the like in the external environment are prone to being attached, and consequently the inner side of the main body is polluted and damaged is avoided; by means of the design, normal proceeding of the later installation process is guaranteed to a certain extent, the hydraulic pipe and the like assembled at the