High-strength building pre-buried sleeve nut
A bushing nut and high-strength technology, applied in the direction of ceramic molding machines, manufacturing tools, etc., can solve the problems of unusable and poor anti-rotation performance, and achieve the effect of strong anti-rotation performance and convenient bolt alignment
Pending Publication Date: 2019-07-30
浙江洪扬汽车零部件有限公司
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Problems solved by technology
The current practice is to embed these pre-embedded nuts or anchor bars from the drilled holes of the formwork before pouring concrete. However, once the existing pre-embedded nuts are pre-embedded, they cannot be moved to adjust the direction of the threaded holes. Once the embedded nut is pre-embedded and skewed, it cannot be used, and the existing pre-embedded nut has poor pull-out resistance and anti-rotation performance
Method used
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[0022] refer to figure 1 , figure 2 and image 3 , a high-strength building embedded casing nut according to the present invention, including an inner bolt 1, an outer casing 2, and a rotating sphere 3. The center of the outer casing 2 is provided with an inner bolt installation cavity 21 that can cooperate with the inner bolt 1. The described The inner bolt installation chamber 21 is a structure with an open upper end and a closed lower end. The inner bolt 1 is arranged in the inner bolt installation chamber 21. The diameter of the inner bolt installation chamber 21 is larger than the outer diameter of the inner bolt 1. The inner bolt 1 and the inner bolt installation cavity 21 is provided with a certain margin, the lower end of the inner bolt 1 is provided with a rotating sphere 3, the diameter of the rotating sphere 3 is larger than the diameter of the inner bolt 1, and the diameter of the inner bolt 1 is The lower end of the inner bolt installation chamber 21 is provide...
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The invention discloses a high-strength building pre-buried sleeve nut. The sleeve nut comprises an inner bolt, an outer sleeve and a rotating ball body, an inner bolt mounting cavity which can be matched with an inner bolt is formed in the center of the outer sleeve, the inner bolt mounting cavity is a closed structure with an upper opening lower end, the inner bolt is arranged in the inner boltmounting cavity, the diameter of the inner bolt mounting cavity is larger than the outer diameter of the inner bolt, a certain allowance is arranged between the inner bolt and the inner bolt mountingcavity, a rotating ball body is arranged at the lower end of the inner bolt, the diameter of the rotating ball body is larger than that of the inner bolt, and a rotating cavity capable of being matched with the rotating ball body is arranged at the lower end of the inner bolt installing cavity. An inner bolt is arranged in the outer sleeve, the outer sleeve is used for being fixed with the building concrete, the inner bolt is movably connected with the outer sleeve, the nut is embedded and fixed, the threaded hole of the nut can still be adjusted leftwards and rightwards, the bolt can be conveniently aligned, the pulling resistance is good, and the anti-rotation performance is relatively high.
Description
[0001] 【Technical field】 [0002] The invention relates to the technical field of nuts, in particular to the technical field of high-strength building embedded nuts. [0003] 【Background technique】 [0004] A nut is a nut, a part that is screwed together with a bolt or a screw for fastening. A component that must be used in all manufacturing machinery is divided into several types such as carbon steel, stainless steel, and non-ferrous metals according to different materials. In reinforced concrete structures, it is often required to reserve embedded nuts on its outer surface as a fixed or permanent structural connection of the facility. The current practice is to embed these pre-embedded nuts or anchor bars from the drilled holes of the formwork before pouring concrete. However, once the existing pre-embedded nuts are pre-embedded, they cannot be moved to adjust the direction of the threaded holes. Once the buried nut is pre-embedded and skewed, it cannot be used, and the exis...
Claims
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IPC IPC(8): B28B23/00
CPCB28B23/0025
Inventor 陈震曹芳群
Owner 浙江洪扬汽车零部件有限公司