一种便于后期维护更换的安全夹头

The safety chuck design, featuring a short thread structure and a spring-driven locking mechanism, solves the problems of inconvenient disassembly and thread wear associated with existing chucks, enabling rapid maintenance, improving clamping reliability, and reducing equipment downtime.

CN224512717UActive Publication Date: 2026-07-17

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Filing Date
2025-09-19
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The maintenance and replacement of existing safety chucks are inconvenient to disassemble and the threads are severely worn, which affects equipment maintenance efficiency and downtime.

Method used

It adopts a short thread structure and spring-driven locking mechanism, combined with a rubber layer design, to achieve quick disassembly and enhanced clamping effect. It can achieve single-action unlocking through short-distance turning, avoiding thread wear.

Benefits of technology

It significantly simplifies the maintenance process, reduces disassembly time, lowers equipment downtime, improves clamping torsional strength, and eliminates vibration and noise.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型公开了一种便于后期维护更换的安全夹头,包括轴承座和安装轴,还包括:夹持头,所述夹持头固定设置于所述轴承座上;夹紧盘,所述夹紧盘通过安装轴活动设置于所述夹持头上;夹座,所述夹座形成于所述夹持头上;安装孔,所述安装孔贯穿开设于所述夹紧盘的底部,所述安装孔与所述通孔同轴且等径;其中,所述安装轴贯穿连接所述通孔与所述安装孔;加固组件,所述加固组件设置于所述夹座内;限位孔,所述限位孔径向开设于所述安装轴的中段。本实用新型通过短螺纹与弹簧锁止机构的协同创新,既实现维护流程的高效简化,又显著增强夹紧盘与夹持头的抗扭强度,从根本上提升工作状态下的夹持固定性能。
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Claims

1. A safety chuck which is convenient for replacement of the later maintenance, comprising a bearing seat (1) and a mounting shaft (7), characterized in that, Also includes: A clamping head (3) is fixedly mounted on the bearing seat (1); A clamping disc (2) is movably mounted on the clamping head (3) via a mounting shaft (7); A clamp (4) is formed on the clamping head (3); A through hole (15) is provided at the bottom of the clamp (4); Mounting hole (8) is formed through the bottom of the clamping plate (2), and the mounting hole (8) is coaxial with the through hole (15) and has the same diameter; The mounting shaft (7) passes through and connects the through hole (15) and the mounting hole (8). A reinforcing component is disposed within the clamp (4); The limiting hole (17) is radially opened in the middle section of the mounting shaft (7).

2. The safety collet chuck according to claim 1, wherein The reinforcement components include: The extrusion block (9) is movably disposed within the clamp (4); The connecting rod (11) is vertically fixed to the lower end of the extrusion block (9); The movable cavity (14) is opened inside the clamp (4); An active hole (10) is provided through the bottom of the clamp (4) and connects the active cavity (14) with the through hole (15). The connecting rod (11) is slidably inserted through the movable hole (10). The movable block (12) is fixedly sleeved on the connecting rod (11) and located in the movable cavity (14); A spring (13) is located inside the movable cavity (14), with one end connected to the moving block (12) and the other end fixed to the top wall of the movable cavity (14); The lower end of the connecting rod (11) is aligned vertically with the limiting hole (17).

3. The safety chuck according to claim 2, characterized in that: The mounting shaft (7) has external threaded sections (18) at both ends; The mounting hole (8) has internal threads on its inner walls at both ends, and the internal threads are engaged with the external thread section (18).

4. The safety chuck according to claim 3, characterized in that: The mounting shaft (7) has marking grooves (19) at both ends.

5. The safety chuck according to claim 4, characterized in that: The end of the connecting rod (11) is covered with a rubber layer.