High-lift lamp bulb tubular pump

The invention discloses a high-lift lamp bulb tubular pump which comprises a water inlet runner, an impeller chamber, a back flow guide body and a water outlet runner which are sequentially, coaxiallyand fixedly arranged in the water flow direction. An impeller is arranged in the impeller chamber, the impeller comprises a hub and a plurality of equal-thickness impeller blades installed on the hub, the hub and the impeller chamber are concentric hemispheres, and the hub and a pump main shaft are connected; the back flow guide body comprises an outer cover, an inner cover and fixed guide blades; the outer cover is coaxially arranged on the periphery of the inner cover in a sleeving manner, and the outer cover is in a bell shape; and the fixed guide blades are arranged between the inner cover and the outer cover in an inclined manner. The water outlet runner is internally provided with a lamp bulb body fixed in position, the lamp bulb body and the inner cover are coaxially arranged, thehead of the lamp bulb body