具备C形弹性圈的洞口卡座
By using a C-shaped elastic ring with an opening for the clamping seat, the problems of loosening and compression damage of the rigid structure positioning seat are solved, achieving adaptive clamping and precise positioning, and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-10-27
- Publication Date
- 2026-07-17
AI Technical Summary
Existing circular component positioning seats mostly use rigid structure clamping, which is prone to loosening due to vibration, affecting positioning accuracy, and is also costly and poses a risk of squeezing damage.
The device employs a slotted clamp with a C-shaped elastic ring. The C-shaped elastic ring's dividing slits allow for elastic deformation within the limiting pit, enabling adaptive clamping. Combined with an inclined guide structure, this ensures precise workpiece positioning and reduces manufacturing costs.
It achieves elastic adaptive clamping of circular parts, avoiding loosening and squeezing damage, ensuring positioning accuracy, and reducing manufacturing difficulty and cost.
Smart Images

Figure CN224509499U_ABST
Abstract
Claims
1. A hole seating having a C-shaped elastic ring, characterized in that, include: The main body of the card holder includes an opening, the inner wall of which has a limiting groove; C-shaped elastic rings, several C-shaped elastic rings are arranged in a ring around the opening, and the C-shaped elastic rings are movably assembled in the limiting pit; The cross-sectional profile of the C-shaped elastic ring is C-shaped, and a dividing seam is formed at the end of the C-shaped elastic ring along the circumferential direction. Along the axial direction of the opening and the depth direction of the limiting pit, the cross-sectional profile of the C-shaped elastic ring gradually increases; The distance from the centroid of the end of the C-shaped elastic ring adjacent to the bottom surface of the limiting pit to the axis of the opening is less than the distance from the centroid of the end of the C-shaped elastic ring opposite to the bottom surface of the limiting pit to the axis of the opening. When the C-shaped elastic ring is compressed and elastically deformed, the inner wall of the limiting pit forces the width of the dividing slit to change.
2. The hole seat with C-shaped elastic ring according to claim 1, characterized in that: The two ends of the C-shaped elastic ring are a first C-shaped end and a second C-shaped end, respectively, and the two ends of the dividing slit correspond to the openings of the first C-shaped end and the second C-shaped end, respectively. From the axial perspective of the C-shaped elastic ring, the circle containing the first C-shaped end and the circle containing the second C-shaped end are internally tangent to each other, and the point of tangency is located at the end of the dividing seam.
3. The hole seating according to claim 1, wherein: The outer wall of the C-shaped elastic ring facing the axis of the opening is an oblique convex curved surface.
4. The hole seating according to claim 1, wherein: The cross-sectional shape of the limiting pit is an arc shape.
5. The opening holder with a C-shaped elastic ring according to claim 1, characterized in that: The axis of the C-shaped elastic ring is longer than the axis of the limiting pit it is in.
6. The hole seating according to claim 4, wherein: One end of the C-shaped elastic ring protrudes from the limiting pit, and the diameter of the other end of the C-shaped elastic ring is smaller than the diameter of the superior arc.
7. The hole seating according to claim 1, wherein: The number of C-shaped elastic coils is at least three.
8. The hole seating according to claim 1, wherein: The C-shaped elastic ring is made of elastic metal.
9. The hole seating according to claim 1, wherein: The opening includes a first opening section and a second opening section. The cross-sectional area of the first opening section is smaller than that of the second opening section. A stepped surface is formed at the junction of the first opening section and the second opening section. The stepped surface is perpendicular to the axis of the opening. The limiting pit is recessed into the step surface; The stepped surface is also recessed with several radial pits, the limiting pits are connected to the radial pits, and the number of radial pits is an integer multiple of the number of limiting pits.