Chalk clamp
A chalk clip and card sleeve technology, which is applied in the field of teaching tools, can solve the problems of poor hand skin, waste of resources, easily broken and bumped against fingers, etc., and achieves the effects of convenient and simple use, skin protection, and finger protection.
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[0013] Below in conjunction with accompanying drawing and example the present invention will be further described:
[0014] Such as figure 1 As shown, a chalk holder includes: a chalk holder 1, a ferrule 2 and an eraser 3, the ferrule 2 is connected to the chalk holder 1 through a socket, and the eraser 3 is connected to the chalk holder 1 through a clamping method.
[0015] Preferably, the surface body of the chalk holder 1 is provided with anti-skid lines.
[0016] Preferably, the eraser 3 can be disassembled and replaced.
[0017] Preferably, the ferrule 2 can move up and down on the surface of the chalk holder 1 .
[0018] Preferably, the ferrule 2 adopts an elastic structure.
[0019] The invention can improve the utilization rate of chalk, protect fingers and skin, and is convenient and simple to use.
[0020] The present invention has been described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes ...
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