A bottom-supported guide rail structure and a drawer
CN224685412UActive Publication Date: 2026-08-28KINDAUS TECH
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Patent Information
- Application Number
- CN202522141687.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-10
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-10-10
AI Technical Summary
Technical Problem
然而，其缺点也十分明显：结构复杂，制造成本高；对滚珠槽的加工精度要求极为苛刻，任何微小的偏差都可能导致卡滞或异响；在受到侧向力或倾覆力矩时，滚珠容易发生错位甚至“咬死”，导致系统失效；灰尘、碎屑或水分极易进入滚珠轨道，还会造成滚珠轨道磨生锈磨损；同时由于结构设计的局限，中间导轨与内外导轨的连接通常依赖于单一或多个但未形成有效约束的滑动点，这种“点接触”或“线接触”的约束方式无法有效抵抗抽屉运动时产生的侧向摆动力和向上翘起的力矩，使得用户推拉抽屉时能明显感觉到抽屉左右摇摆，抽屉在非完全水平的地面上或负载不均时，容易发生上下跳动，抽屉在完全拉出时，远端因支撑不足而下垂，影响美观和使用（例如，抽屉内的物品会向后滑动）
Benefits of technology
1.本实用新型的第一导轨和第二导轨分别通过滑动件与中间导轨形成稳定的面接触支撑，通过四个滑动件形成四个支撑点构成稳定的承托结构，显著减少了中间导轨在水平方向的偏移倾向，有效分散了抽屉运动时产生的侧向力，能避免完全拉出状态下远端下垂的情况，平衡性、稳定性好。
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Smart Images
Figure CN224685412U_ABST
Abstract
The utility model discloses a kind of bottom supporting guide rail structure and drawer, wherein bottom supporting guide rail structure includes first guide rail, second guide rail, intermediate guide rail and several sliding members, the first guide rail and second guide rail respectively have first recess and second recess, one half portion of the intermediate guide rail is placed in the first recess and slides along the length direction of first recess, another half portion of the intermediate guide rail is placed in the second recess and slides along the length direction of the second recess, at least two the sliding member is arranged between first recess and intermediate guide rail and is respectively slidably connected with the side wall of first recess and intermediate guide rail, at least two the sliding member is arranged between second recess and intermediate guide rail and is respectively slidably connected with the side wall of second recess and intermediate guide rail.The utility model is through the embracing structure of first recess and second recess and intermediate guide rail respectively, improves the balance and stability of traditional guide rail.
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