定子内径椭圆度量具
By designing a portable stator inner diameter elliptic measuring tool, the problems of large size and complicated operation of traditional equipment were solved, enabling rapid and accurate measurement of the ellipticity of the stator parts' inner diameter, thus improving processing accuracy and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING SPECIAL MOTOR PLANT CO
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional internal diameter measuring equipment is bulky and complex to operate, and cannot meet the needs of rapid on-site measurement of the ovality of the internal diameter of stator parts.
A portable stator inner diameter elliptic measuring instrument was designed, including a base, handle, connecting block, micrometer and limit block. It has a simple structure, is easy to operate and carry, and can accurately measure the ellipticity of the stator inner diameter.
It improves the machining accuracy and production efficiency of stator parts, reduces production and usage costs, is suitable for various environments, and is easy to operate and safe and reliable.
Smart Images

Figure CN224517630U_ABST
Abstract
Claims
1. A stator inner diameter ovality gauge comprising a base (1) characterised in that: A handle (2) is fixedly connected to the middle of the base (1); a connecting block (4) is connected to the upper middle part of the handle (2); a micrometer (6) is fixed in the connecting block (4); and a limiting block (5) is provided at the end of the handle (2).
2. The stator inner diameter ovality gauge of claim 1, wherein: Bolts (7) are movably inserted into the connecting block (4).
3. The stator inner diameter ovality gauge of claim 1, wherein: The base (1) is provided with symmetrical limiting blocks (3) on both sides.
4. The stator inner diameter ovality gauge of claim 1, wherein: Bolts (7) are used to fix the micrometer (6) and the connecting block (4).
5. The stator inner diameter ovality gauge of claim 1, wherein: The micrometer (6) is equipped with a spring probe (61) at its front end.