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Hex nut for fitness equipment

A technology of hexagonal nuts and fitness equipment, which is applied in the direction of nuts, screws, bolts, etc., which can solve the problems of low safety performance, poor anti-loosening performance, and easy loosening of nuts, and achieve the effects of improving safety, preventing loosening, and enhancing friction

Inactive Publication Date: 2019-03-29
嘉兴华意科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nuts are mostly hexagonal, followed by squares. In order to improve physical fitness, there are more and more people doing fitness now. Dumbbells are a kind of fitness equipment. Existing dumbbells often use nuts to fix dumbbell pieces in order to facilitate the increase or decrease of dumbbell pieces. The dumbbell fixing nut has poor anti-loose performance, the dumbbell nut is easy to loosen after long-term use, the dumbbell piece is easy to fall, and the safety performance is low

Method used

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  • Hex nut for fitness equipment
  • Hex nut for fitness equipment
  • Hex nut for fitness equipment

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Embodiment Construction

[0017] refer to figure 1 , figure 2 , image 3 and Figure 4 , the present invention is a hexagonal nut for fitness equipment, comprising a first nut 1 and a second nut 2, the outer surface of the first nut 1 is coiled with an external thread 11, and the inner coaxial vertical of the first nut 1 A first nut internal thread cavity 12 is provided, and the second nut 2 is coaxially provided with a second nut internal thread cavity 21 that can cooperate with the external thread 11. The first nut 1 and the second nut 2 It is detachably connected through the cooperation between the external thread 11 and the second nut internal thread cavity 21. The side of the first nut 1 is also vertically provided with a number of clamping shrapnel 13 that can cooperate with the second nut 2. The side wall of a nut 1 is provided with a plurality of clamping elastic piece installation cavities 15 that can cooperate with the clamping elastic pieces 13. A nut 1 is fixedly connected, and the cla...

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Abstract

The invention discloses a hex nut for fitness equipment. The nut comprises a first nut and a second nut, an external thread is coiled around an outer surface of the first nut, a first nut inner threaded cavity is coaxially and vertically arranged in the first nut, a second nut internal threaded cavity which can be matched with the external thread is arranged coaxially in the the second nut, the first nut and the second nut are detachably connected through the cooperation between the external thread and the second nut internal threaded cavity, and the side surface of the first nut is also vertically provided with a plurality of clamping elastic pieces which can be matched with the second nut. According to the nut, the clamping elastic pieces are arranged on the first nut, the cooperation between the clamping elastic pieces and the second nut, when the second nut is screwed down, the clamping elastic pieces gradually contract inward, a screw rod is tightly held to enhance the friction force, looseness is prevented, and the safety is improved.

Description

【Technical field】 [0001] The invention relates to the technical field of nuts, in particular to the technical field of nuts for fitness equipment. 【Background technique】 [0002] A nut, also known as a nut, is a fixing tool with a hole in the center and threads on the inside of the hole. Nuts are often shared with screws of the same size to fix the relevant joints. If environmental factors such as vibration cause the nut to loosen, you can use tools such as glue or pins to further strengthen the relevant part. Nuts are mostly hexagonal, followed by squares. In order to improve physical fitness, there are more and more people doing fitness now. Dumbbells are a kind of fitness equipment. Existing dumbbells often use nuts to fix dumbbell pieces in order to facilitate the increase or decrease of dumbbell pieces. The anti-loosening performance of the dumbbell fixing nut is poor, the nut is easy to loosen after the dumbbell is used for a long time, the dumbbell piece is easy to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/284
CPCF16B39/284
Inventor 俞爱忠吴勤华
Owner 嘉兴华意科技股份有限公司
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