一种自紧式防松脱橡胶
The design of the locking component solves the problem of replacing the self-tightening helical spring fixing method, realizing stable locking and convenient replacement of the self-tightening helical spring, and ensuring the sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 天津市际华橡胶制品有限公司
- Filing Date
- 2025-07-28
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing technology, the fixing method of self-tightening helical springs has the problems of the vulcanized rubber layer not being removable, making replacement difficult, and the Ω-type buckle being easy to lose.
The locking assembly includes a blocking plate, a positioning element, and a fixing element. By hinged between the blocking plate and the self-tightening coil spring, and positioned by the positioning element, combined with the detachable connection of the fixing element, the self-tightening coil spring can be locked and replaced.
It achieves stable locking of the self-tightening helical spring, preventing loosening or falling off, and is easy to replace, avoiding the loss of the blocking plate and ensuring the sealing effect.
Smart Images
Figure CN224515939U_ABST
Abstract
Claims
1. A self-tightening anti-loosening rubber characterized by comprising: include: The rubber body includes an outer end face, a horizontal end face, and an inner diameter face; A sealing lip is fixedly connected to the inner diameter surface, and an annular groove is formed on the side of the sealing lip near the rubber body along its circumference. A self-tightening helical spring is engaged within the annular groove; The locking assembly includes a blocking plate, a positioning member, and a fixing member. The blocking plate is disposed on the side of the self-tightening helical spring away from the sealing lip, and the bottom end of the blocking plate is hinged to the sealing lip. The positioning member is fixedly disposed above the annular groove for positioning the top end of the blocking plate. The fixing member is disposed above the positioning member for detachably connecting to the top end of the blocking plate.
2. A self-tightening anti-loosening rubber according to claim 1, wherein The rubber body has a reinforcing skeleton inside.
3. The self-tightening anti-loosening rubber of claim 1, wherein Multiple sets of the locking components are evenly arranged along the circumference of the annular groove.
4. The self-tightening anti-loosening rubber of claim 1, wherein The positioning element includes a positioning block, which is fixedly disposed on the side of the sealing lip close to the rubber body, and a positioning groove is provided on the side of the positioning block away from the sealing lip.
5. A self-tightening anti-loosening rubber according to claim 4, wherein A cavity is formed inside the sealing lip above the positioning block. The fixing component includes a threaded rod, a guide block, a first slider, and a second slider. The threaded rod is rotatably disposed within the cavity along the radial direction of the annular groove, and the first slider is threaded onto the outer side of the threaded rod. The guide block is fixedly disposed below the threaded rod, and a longitudinally penetrating guide groove is formed on the guide block. The second slider is slidably disposed within the guide groove. The top of the first slider is slidably connected to the inner top surface of the cavity, and a first inclined surface is provided at its bottom. The top of the second slider is provided with a second inclined surface that matches the first inclined surface. A locking rod is fixedly disposed at its bottom, and the bottom of the locking rod slides through to the outside of the cavity and moves downward to abut against the side of the blocking plate away from the positioning block. A spring is sleeved on the outside of the locking rod, one end of which is fixedly connected to the bottom of the second slider, and the other end is fixedly connected to the inner bottom surface of the cavity.
6. The self-tightening anti-loosening rubber of claim 1, wherein The blocking plate is configured as an arc-shaped plate, with the concave arc surface facing the self-tightening helical spring, and the concave arc surface is provided with a protective pad.