Barb adjusting fixing device and using method thereof
The technology of fixing device and barb, applied in the field of wood panel decoration, can solve the problems such as great physical injury of decoration personnel, affecting the construction of other types of work, increasing construction difficulty, etc., and achieve the effects of reducing construction cost, reducing construction cost and improving surface quality.
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[0029] Such as figure 1 , figure 2 As shown, a barb adjustment and fixing device, in this embodiment, the barb-shaped anti-falling device 1 made of metal is welded on the outer wall of the screw rod 9, the angle of the barb does not need to be specially set, as long as The wooden decoration 2 can be fixed firmly to prevent it from withdrawing from the screw rod 9. There are many expansion blocks 7, generally 3 or 4. The distance between the expansion blocks 7 is equal, and one end is all connected to the expansion sleeve. The ends of 5 are connected, and the other end is inclined to form a knife-edge style, which is convenient for the entry of warhead 8. The outer wall of one end of expansion sleeve 5 protrudes to form positioning ring 4. Inside the body, it plays the role of positioning and limiting, so as to achieve the effect that the expansion sleeve will not walk or deform during nailing. The inner wall of the expansion sleeve 5 is provided with threads, and the end of...
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