Building decoration drill bit and method for constructing stable installation
A kind of drill bit and construction technology, which is applied in the direction of building construction, construction, drilling machines, etc., can solve the problems of easy loosening of expansion bolts or screws, failure to ensure the clamping of expansion bolts, damage to installation holes and walls, etc., to reduce damage and improve Beauty and stability, and the effect of reducing the degree of damage
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Embodiment 1
[0034] For a building decoration drill provided in the first embodiment of the present application, please refer to Figure 1-2 As shown, including the drill tip mechanism 1 and the drill shank 3, the drill body mechanism 2 is provided between the drill tip mechanism 1 and the drill shank 3, and the drill shank 3 and the drill body mechanism 2 are seamlessly welded, and the drill tip mechanism 1 It mainly includes a twist head 10, the top of the twist head 10 is formed with a positioning head 12 by cutting, the tail end of the twist head 10 is formed with a tail cavity 11 by internal cutting, the inside of the drilling mechanism 2 is hollow and a working cavity 201 is formed, and the inside of the working cavity 201 is formed. A hole reaming device 4 is installed.
[0035] In the above-mentioned embodiment, the positioning head 12 in the drill tip mechanism 1 protects the twist head 10 in the process of drilling, and the main function of the twist head 10 is to open holes, whi...
Embodiment 2
[0047] For a method for constructing a stable installation provided in the second embodiment of this application, please refer to Figure 7-8 shown, including the following steps:
[0048] S1: Punch out the installation holes, first measure the size of the installation holes to match the size of the expansion bolts, then use the conventional state of the construction drill to punch the installation holes on the wall, and use the air nozzle to clean the impurities in the installation holes;
[0049] As an example, it should be noted that, in a normal state of the drill bit, the twist head 10 is used for drilling, the positioning head 12 is sharper and can be aimed at the fixed point drilling, and the positioning head 12 protects the twist head 10 during the drilling process.
[0050] S2: Punch out the reaming slot, first withdraw the drill bit slightly, then forcefully screw down the threaded sleeve 23 to expand the reaming device 4 outward, and punch out the reaming slot throu...
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