Probe protection device

The utility model discloses a probe protection device, which comprises an electrically insulated sleeve, the extension direction of the length of the sleeve is defined as the longitudinal direction, the sleeve comprises a plurality of wave crests and wave troughs which are alternately arranged in the longitudinal direction of the sleeve, a first end part of the longitudinal direction of the sleeve is provided with a connecting seat, the connecting seat is provided with a through hole communicated with an inner cavity of the sleeve, and the through hole is communicated with the inner cavity of the sleeve. The connecting seat and the sleeve form an accommodating space for accommodating the probe; the probe is inserted into the containing space in the longitudinal direction, a probe base of the probe is fixedly connected with the connecting base, a connecting terminal, away from a probe head, of the probe is located outside the containing space, the probe does not make contact with the inner wall of the sleeve,