A kind of barb adjustment fixing device and using method thereof
A technology of fixing devices and barbs, which is applied in the field of wood panel decoration, can solve the problems of heavy physical injuries of decorators, affect other types of construction, increase construction difficulty, etc., and achieve the effect of reducing construction costs, reducing construction costs, 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 the expansion sleeve 5 are connected, and the other end is inclined to form a knife-edge style, which is convenient for the entry of the warhead 8. The outer wall of one end of the expansion sleeve 5 protrudes to form a positioning ring 4. The positioning ring 4 is that the screw rod will not move toward the wall when it is nailed into the object. Inside the body, it plays the role of positioning and limiting, so as to achieve the effect that th...
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