A fastening assembly
CN224859877UActive Publication Date: 2026-10-16ANJI SHENGDA HARDWARE PROD CO LTD
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Patent Information
- Application Number
- CN202620085551.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-22
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2036-01-22
AI Technical Summary
Technical Problem
[0002]现有技术中，存在螺母与螺栓的表面通常设置有相互配合的倒齿结构；然而，由于螺母与螺栓均采用硬度较高的金属材料制备，其倒齿的齿顶与齿根之间的间隙偏差较大，导致二者配合后，倒齿易出现严重磨损，或无法实现完全紧密的贴合配合
Benefits of technology
连接筒通过端面倒齿与垫片的止退弹性部配合实现一侧防松，螺母通过与螺栓的螺纹连接实现另一侧紧固，形成双重防松机制，止退弹性部具备弹性变形能力，可适配倒齿的间隙偏差，实现与倒齿的紧密贴合，在拧紧过程中减少出现磨损情况。
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Abstract
The utility model provides a kind of fastening assembly, belong to fastener technical field.A kind of fastening assembly, comprising: bolt, bolt includes head and screw rod, at least one limit slot is set in the side surface of head;Gasket, gasket has ring body, with the limit part corresponding with limit slot and several stop elastic parts, limit part and stop elastic part are oriented the opposite sides of ring body;Wherein, limit part can be embedded in limit slot, to limit the rotation of gasket;Connecting cylinder, the end surface of connecting cylinder is uniformly distributed and is provided with inverted tooth, the stop elastic part of gasket can be respectively with at least one inverted tooth cooperation limit, connecting cylinder is used to be fixed on first workpiece;Nut, the screw rod of bolt and nut can be connected, nut is used to be fixed on second workpiece.
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