One kind of sight glass assembly tool

The present invention discloses a method of assembling the sight glass assembly and assembly tools. The sight glass assembly comprising a mirror body, and O-ring mirror perspective view, a perspective view mirror comprising a lens holder and a lens, a mirror body provided with sight holes, surrounded by upper sight hole for mounting the O-ring and a perspective view mirror mounting cavity; surface mounted on the edge of the pressing chamber is provided with an annular plate, the annular plate may be pressed inwardly bent inclined surface and the truncated cone lens seat portion bonded to the lens body. The assembly method comprising: Step A: Lens ring and are put into the installation chamber of the mirror body; Step B: providing an assembly tool, the annular lens body and the lens pressing plate is bent inwardly tapered seat the inclined surface portion bonded station. The assembly tool comprises a body provided with a cavity, the cavity sidewall centered inclined ramp compact, the compact bottom. The present invention uses the pressing piece pressing the annular defect lens holder, avoiding the prior art threaded connection brought complex processing, low efficiency, low bearing capacity, perishable.