Combination sofa integrated threaded connection mechanism and processing mold thereof
A thread connection and thread processing technology, which is applied in the field of integrated sofa thread connection mechanism, can solve the problems of pad scrapping, failure to set up, troublesome installation, etc.
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[0017] The invention relates to an integrated thread connection mechanism for a combined sofa, such as figure 1 — Figure 4 As shown, it includes a seat board 1, a back board 2, a front board 3, a rear board 4, a left board 5, a right board 6, and a left board 5, a right board 6 and a seat board by injection molding of plastic materials. 1. The backboard 2, the front baffle 3, and the rear baffle 4 are assembled and connected by a connecting mechanism. The connecting mechanism includes setting hollow columns 7 on both sides of the left buttress 5 and the right buttress 6. A connecting column 8 is arranged on the inner side wall of the column, and a connecting hole 10 is opened in the connecting column. An integrally formed thread 11 is arranged in the connecting hole. The thread 11 has only one spiral, and there is a fracture between the beginning and the end of the spiral. 12. A hollow groove 13 is provided on the rear side wall of the left buttress 5 and the right buttress ...
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