| 摘要 |
PROBLEM TO BE SOLVED: To provide a print head module for a 3D printer, which can be removed from a bracket easily and be assembled.SOLUTION: A print head module 100 comprises a bracket, a lock mechanism and a print head. The bracket 110 comprises a housing groove 112 and a supporting body 111. The lock mechanism 120 comprises a pressing force member 122 fixed to the supporting body 111, a lock member 124 and an elastic member 126. The lock member 124 pivots on the pressing force member 122 and the elastic member 126 leans between these. The lock member 124 has a first positioning unit. The print head 130 removably arranged in the housing groove 112 comprises a second positioning unit. Because the first positioning unit is engaged with the second positioning unit, restoring force that the elastic member 126 is pressed and leaves from the pressing force member is provided to the lock member, and the print head is fixed between the lock member and the bracket. |
