Expansion bolt capable of injecting glue into bolt and using method of expansion bolt
An expansion bolt and glue injection technology, applied in the direction of connecting components, pins, mechanical equipment, etc., can solve the problems of loosening and insufficient strength, and achieve the effect of increasing strength, increasing load-bearing capacity, and increasing tensile strength.
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[0022] Below, the present invention will be further described in conjunction with accompanying drawing and embodiment: Figure 1 to Figure 5 As shown, an expansion bolt that can inject glue into the bolt includes an expansion nail 10, a sleeve 20, a limit seat 30, a U-shaped ring 40, and a sealing ring 50; There is a nail cap 11, a cross groove 12 is arranged in the middle of the nail cap 11, and a glue injection inlet 13 is arranged at the bottom of the cross groove 12; Both the upper outlet 15 and the lower outlet 16 communicate with the channel 14 in the middle of the expansion nail 10; the lower end of the expansion nail 10 is provided with a threaded head 17; the hardness of the expansion nail 10 is greater than that of the sleeve 20; the middle of the sleeve 20 is provided with Inner cavity 21, at least two slots 22 are arranged at the lower end of the sleeve 20, and the lower part of the sleeve 20 is divided into several barb strips 24, the middle of the inner surface o...
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