Hidden type elastic internal and external telescopic pull-blasting connecting piece and using method thereof

• Main Authors: ZHONG XIAOYE, YANG YONGQI, ZHONG SHENGRONG
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2022
• 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 invention discloses an implicit elastic internal and external telescopic pull-blasting connecting piece and a using method thereof. The implicit elastic internal and external telescopic pull-blasting connecting piece comprises a pull-blasting connecting piece body and an embedded connecting piece body which are fixed to two furniture plates correspondingly. The pull-blasting connecting piece comprises a pull-blasting opposite buckle, a pull rod and a spring, the pull rod and the spring are arranged in the pull-blasting opposite buckle, reverse teeth are arranged on the outer wall of the pull-blasting opposite buckle, the pull-blasting opposite buckle can be opened outwards under the pulling action of the pull rod and is locked in the furniture plate through the reverse teeth, and the pull rod can stretch out and draw back inwards under the action of the spring; the positioning anti-sliding blocks are arranged on the embedded connecting pieces and can prevent the embedded connecting pieces from sliding fro