CONNECTING DEVICE AND ELECTRICITY-CONSUMING APPARATUS

1 . A connecting device, comprising a first fixing member, a second fixing member and an elastic connecting assembly, wherein the first fixing member and the second fixing member are configured to be fixedly connected to different devices respectively, and the first fixing member is movable relative to the second fixing member through the elastic connecting assembly; and, wherein

the elastic connecting assembly comprises an elastic member and a moving plate sandwiched between the first fixing member and the second fixing member in a first direction, the second fixing member is fixedly connected to the moving plate, at least one of the moving plate and the first fixing member is provided with a concave part formed by concaving inward in the first direction, and the elastic member is arranged at the concave part; and

the elastic member is configured to be compressible by the moving plate and the first fixing member in the first direction and movable in a second direction, so that the first fixing member is movable relative to the second fixing member in the first direction and the second direction, and the second direction is perpendicular to the first direction.

2 . The connecting device according to claim 1 , wherein at least a portion of the elastic member is located in the concave part, and a maximum size of the at least a portion of the elastic member in the second direction is smaller than a minimum size of the concave part in the second direction, so that the first fixing member is movable relative to the second fixing member in the second direction.

3 . The connecting device according to claim 1 , wherein when the elastic member is in a compressed state, a maximum size of the elastic member in the first direction is larger than an inward-concaving depth of the concave part, so that the moving plate is arranged to be spaced apart from the first fixing member.

4 . The connecting device according to claim 1 , wherein at least a portion of an outer surface of the elastic member is an arc-shaped face, so that the elastic member is able to roll in the concave part in the second direction.

5 . The connecting device according to claim 1 , wherein the first fixing member and/or the moving plate comprises a central axis extending in the first direction, and a plurality of concave parts are provided and symmetrically arranged around the central axis.

6 . The connecting device according to claim 1 , further comprising a position-restricting assembly, fixedly connected to one of the moving plate and the first fixing member, and movable relative to the other one of the moving plate and the first fixing member within a predetermined range in the first direction.

7 . The connecting device according to claim 6 , wherein the position-restricting assembly comprises a first position-restricting member and position-restricting connecting members connected to two sides of the first position-restricting member respectively, the first position-restricting member is connected to the first fixing member through the position-restricting connecting members, and the first position-restricting member is arranged on a side of the moving plate away from the first fixing member; and, wherein

the first fixing member and the first position-restricting member are spaced apart by a first predetermined distance in the first direction to limit a displacement amount of the moving plate relative to the first fixing member in the first direction.

8 . The connecting device according to claim 7 , wherein the position-restricting assembly comprises two position-restricting connecting members, arranged on two sides of the first position-restricting member in the second direction respectively, and the two position-restricting connecting members are spaced apart by a second predetermined distance to limit a displacement amount of the moving plate relative to the first fixing member in the second direction.

9 . The connecting device according to claim 6 , wherein the first fixing member is provided with an opening penetrating through the first fixing member in the first direction and a through hole penetrating through the first fixing member in the second direction, and the through hole is communicated with the opening; and, wherein

the position-restricting assembly comprises a second position-restricting member and a position-restricting plate arranged on a surface of the moving plate and at least partially located in the opening, and the second position-restricting member is connected to the position-restricting plate through the through hole;

the second position-restricting member is movable in the through hole in the first direction, so that the moving plate and the first fixing member are movable relative to each other.

10 . An electricity-consuming apparatus, comprising a mounting base, a battery and a connecting device according to claim 1 , wherein one of the first fixing member and the second fixing member is fixedly connected to the mounting base, the other one of the first fixing member and the second fixing member is fixedly connected to the battery, and the battery is configured to supply an electric power.