Double-tooth connecting screw for furniture

• Main Authors: CHEN JIACHUAN, WANG RONGCHAO
• Format: Patent
• Language: Chinese; English
• Published: 18.10.2019
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a double-tooth connecting screw for furniture. The screw comprises a first screw part and a second screw part which is integrally formed at the upper end of the first screwpart, a first thread is arranged on the peripheral wall of the lower part of the first screw rod part; a second thread is arranged on the peripheral wall of the second screw rod part; the lower end of the first screw rod part is of a sharp-end-shaped structure; an annular convex edge is arranged on the outer wall of the joint of the first screw part and the second screw part, a polished rod partis formed between the first screw part between the first thread and the annular convex edge, a blind hole with an opening in the upper end is formed in the second screw part, and a cross-shaped grooveused for being matched with a screwdriver is formed in the bottom of the blind hole; by using the connecting screw rod provided by the utility model, wood plates in furniture can be conveniently assembled together and can be c