Projection device

1 . A projection device, comprising:

a projector housing, wherein at least one magnetic element is disposed on an outer surface of the projector housing; and

a protective sleeve, adapted to cover the projector housing, wherein the protective sleeve comprises a body and a magnetic attraction module, and the magnetic attraction module is disposed at a first end of the body,

wherein the magnetic attraction module comprises at least one magnetic attraction kit, and each of the at least one magnetic attraction kit comprises:

a magnet, having a magnetic attraction surface on a side of the magnet near the projector housing; and

a magnetic conductive shell, having an open end surface and an accommodating groove that is recessed from the open end surface in a direction away from the projector housing, wherein the magnet is disposed in the accommodating groove, the open end surface is parallel to the magnetic attraction surface, a first magnetic pole of the magnet is located on the magnetic attraction surface, the magnetic conductive shell guides a second magnetic pole of the magnet to the open end surface, and the magnetic attraction surface and the open end surface are attached on corresponding one of the at least one magnetic element.

2 . The projection device according to claim 1 , wherein a side wall of each of the at least one magnetic conductive shell has at least one first fixing structure, the magnetic attraction module further comprises at least one fixing part, an inner wall of each of the at least one fixing part has at least one second fixing structure, each of the at least one magnetic conductive shell is disposed at corresponding one of the at least one fixing part, and each of the at least one first fixing structure is combined with corresponding one of the at least one second fixing structure.

3 . The projection device according to claim 2 , wherein each of the at least one second fixing structure is clamped to corresponding one of the at least one first fixing structure.

4 . The projection device according to claim 2 , wherein the magnetic attraction module further comprises a connecting part, the connecting part is connected to the body, and the at least one fixing part is disposed on the connecting part.

5 . The projection device according to claim 2 , wherein the magnetic attraction module further comprises at least one buffer, each of the at least one buffer is disposed between corresponding one of the at least one fixing part and one of the at least one magnetic conductive housing.

6 . The projection device according to claim 1 , wherein each of the at least one magnetic attraction kit further comprises a bonding part, and the at least one bonding part is disposed between corresponding one of the at least one magnet and one of the at least one magnetic conductive housing.

7 . The projection device according to claim 1 , wherein the projector housing further comprises a first positioning part, the body further comprises a second positioning part, the second positioning part is disposed at a second end of the body, the second end of the body is opposite to the first end, and the first positioning part is combined with the second positioning part.

8 . The projection device according to claim 7 , wherein the first positioning part comprises a plurality of positioning holes, the second positioning part comprises a plurality of positioning columns, and the positioning holes are sleeved on the positioning columns respectively.

9 . The projection device according to claim 1 , wherein the body further comprises at least one opening, the at least one opening is disposed at a second end of the body, the second end of the body is opposite to the first end, and each of the at least one opening exposes corresponding one of the at least one magnetic element.