Petroleum flowmeter with heat preservation mechanism

The utility model discloses a petroleum flow meter with a heat preservation mechanism, which comprises a petroleum flow meter body, the petroleum flow meter body comprises a T-shaped machine body and a meter body arranged on the T-shaped machine body, and the outer side of the T-shaped machine body is adhered and coated with a heat preservation sleeve. By means of the heat preservation sleeve, the hemispherical protective cover and the rubber and plastic heat preservation layer, the heat preservation effect on the whole petroleum flow meter body is achieved, heat preservation comprehensiveness is improved, and the protection and heat preservation effect on the meter body is improved; the gauge body is conveniently buffered and protected when an object falling phenomenon occurs, an audible and visual alarm is automatically and timely given to remind personnel, the protection effect on the gauge body is further improved, the personnel can conveniently and timely know and carry out maintenance treatment, potenti