Height-adjustable fuel pump shell

The utility model discloses a fuel pump shell with adjustable height, which relates to the field of fuel pump shells and comprises a shell body, a fuel pump body is fixedly connected in the shell body, threaded holes are formed in two sides of the upper end of the shell body, threaded rods are in threaded connection in the threaded holes, the upper end of the shell body is movably connected with an upper cover, and the lower end of the shell body is movably connected with the upper cover. And the upper end of the threaded rod penetrates through the upper cover and is fixedly connected with a driven gear. By the adoption of the structure, when the threaded rod rotates in the threaded hole, the threaded rod can gradually stretch out of the threaded hole, so that the distance between the shell and the upper cover can be adjusted after the threaded rod stretches out of the threaded hole, and then the height of the fuel pump can be changed under the change of the distance between the shell and the upper cover; and