Device for cleaning foreign matters in tank body

The utility model discloses a device for cleaning foreign matters in a groove body, which comprises a support, an adjusting mechanism, a cleaning tool bit and a compensation tool bit, the cleaning tool bit and the compensation tool bit are arranged on the support, the cleaning tool bit is of a V-shaped structure, and the adjusting mechanism is used for adjusting the opening angle of the cleaning tool bit; the cleaning tool bits are used for cleaning the inner walls of the two sides of the U-shaped groove body, and the compensation tool bits are used for cleaning the bottom face of the U-shaped groove body. The device can be used for cleaning the inside of the sealing groove, and during use, according to the width of the sealing groove, the width of the cleaning tool bit is adjusted through the adjusting nut, the sealing groove is deeply cleaned through the cleaning tool bit and the compensation tool bit, the tool bits are limited through the spring to be tightly attached to the side wall, and the effect of de