The utility model relates to an adjustable light wave irradiating device, which comprises a cap body, a soft circuit board, a plurality of laser modules, a head frame and an adjusting mechanism.The soft circuit board is arranged in the cap body, the laser modules are arranged on the soft circuit board, the laser modules can emit laser light to irradiate the cap body, and the head frame is arranged on the cap body near the opening.The adjusting mechanism includes a fixed seatMovable coverControlsElastic part and ratchet part,When the movable cover is placed on the fixed seat,The locking part of the control part can be inserted into the locating hole of the inserting part of the movable cover,To lock the movable cover,The movable cover is stably fixed in the closed state,And the head frame can be used to move between the fixed seat and the movable cover,To adjust the different sizes of the headbox,In order to adjust the head circumference of the user properly,The first one-way ratchet can be used to snap on the corresponding second one-way ratchet,Make the size of the header fixed.Therefore, the utility model has a good fixing effect, and the operation is simple and easy.一種可調式光波照射裝置，包括一帽體、一軟性電路板、多個雷射模組、一頭框及一調整機構。軟性電路板設置於帽體內，該些雷射模組設置於軟性電路板上，該些雷射模組能發射雷射光照射於帽體內，頭框設置於帽體上靠近開口處。調整機構包含固定座、活動蓋、控制件、彈性件及棘齒部，活動蓋蓋置於固定座上時，控制件的鎖固部能插置於活動蓋的插接部的定位孔內，用以鎖固活動蓋，使活動蓋穩定的固定於蓋合的狀態，且可利用頭框於固定座及活動蓋之間的移動，藉以調整頭框不同的大小，以便因應使用者頭圍適當的進行調整，且可利用第一單向棘齒卡扣於相對應的第二單向棘齒，使頭框的大小得以固定。由此，具有良好的固定效果，且操作簡單容易。
