| 摘要 |
A lamp holder device includes a lamp holder, a connecting pipe, and a lamp holder sleeve, the connecting pipe is connected electronically with the lamp holder, the material of the lamp holder sleeve is plastic, the lamp holder has a setting portion, an accommodating structure is set in the lamp holder sleeve corresponding to the setting portion to fix the lamp holder into the lamp holder sleeve, the connecting pipe is connected with the lamp holder sleeve by a screw thread. A inside screw thread and a outside screw thread are set on the inside wall and outside wall of the lamp holder sleeve respectively, the lamp holder can be lock in the lamp holder sleeve because of the plastic has elasticity, the assembling by the screw thread is simple and convenient, and the cost of such plastic is low.
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