| 摘要 |
The present invention relates to a detachable button case that is replaceable. The button case includes: a housing in which a button is accommodated; and a cover which is joined to the housing to be able to pivot and opens and closes the housing. The housing includes: a first crossing protrusion covering an end portion of the cover; a first joining part; a second joining part which is joined with the first crossing protrusion by being covered by the first crossing protrusion on an end portion of the cover facing the first crossing protrusion when the cover is closed; and a second crossing protrusion which is joined with the first joining part by covering the first joining part when the cover is closed. |
