防松脱可拆卸坠砣杆

By improving the structural design of the anti-loosening detachable weight rod, and adopting an earring rod, base, support mechanism and anti-fall-off mechanism, the problem of inconvenient weight disassembly in the existing technology is solved, realizing convenient installation, stability and tightness, and improving disassembly efficiency.

CN224510922UActive Publication Date: 2026-07-17HEBEI TIANRUI RAIL TRANSIT EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEBEI TIANRUI RAIL TRANSIT EQUIP CO LTD
Filing Date
2025-07-07
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing anti-loosening detachable weight rod is a one-piece structure design, which requires the entire device to be disassembled when removing the weight, resulting in inconvenience in disassembly.

Method used

The design incorporates an earring rod, base, support mechanism, and anti-drop mechanism. Through the threaded connection of the external thread, sleeve, and inner core, combined with the setting of gaskets and anti-loosening nuts, the base can be easily installed and disassembled. The conical shape and expansion joint structure of the inner core enhance stability and tightness.

Benefits of technology

It enables convenient installation and removal of the base, adjusts the earring spacing, enhances the stability and installation firmness of the inner core, prevents loosening, and facilitates the removal of the weight.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224510922U_ABST
    Figure CN224510922U_ABST
Patent Text Reader

Abstract

本实用新型提供防松脱可拆卸坠砣杆，属于坠砣杆领域，其由耳环杆、底座、支撑机构以及防脱落机构构成，本方案中通过内芯安装于外螺纹上，可以支撑套筒，由于底座与套筒固定连接，使得内芯可以支撑底座，通过调节内芯在耳环杆上的位置，从而调节底座的位置，通过内芯的表面开设有防滑痕，可以增加内芯与套筒内壁之间的摩擦力，通过内芯的外观呈锥形，使得内芯可以支撑套筒，而通过伸缩缝的设置，使得内芯螺纹连接于外螺纹上后，使得耳环杆可以使内芯向外扩张，从而得到紧固的作用，安装更加牢固，防松脱可拆卸坠砣杆底部安装弹簧自紧式防松螺母，使其更好的防松脱，方便拆卸。
Need to check novelty before this filing date? Find Prior Art

Claims

1. Anti-loosening detachable weight rod, including: Earring post (1); The base (3) is movably fitted onto the earring rod (1); Its characteristic is that it further includes: A support mechanism is provided on the earring rod (1) to support the base (3), thereby enabling the assembly of the earring rod (1) and the base (3); The anti-detachment mechanism is installed on the support mechanism to limit the position of the support mechanism and thus prevent the support mechanism from detaching.

2. The anti-loosening detachable plummet rod according to claim 1, characterized in that: The support mechanism includes an external thread (2), a sleeve (4) and an inner core (5). The sleeve (4) is fixedly connected to the bottom of the base (3) and is movably sleeved on the earring rod (1). The external thread (2) is opened on the circumferential surface of the earring rod (1). The inner core (5) is threaded to the external thread (2) and is movably inserted into the sleeve (4).

3. The anti-loose detachable weight bar according to claim 2, wherein: The anti-loosening mechanism includes a washer (6) and an anti-loosening nut (7). The anti-loosening nut (7) is threaded onto the external thread (2). The washer (6) is movably sleeved on the earring rod (1) and is located between the inner core (5) and the anti-loosening nut (7).

4. The anti-loose detachable weight bar of claim 3, wherein: The inner core (5) has anti-slip marks on its surface and a threaded groove matching the external thread (2) inside the inner core (5).

5. The anti-loose detachable weight bar of claim 4, wherein: The inner core (5) has a conical shape and an expansion joint (8) is provided on the inner core (5).

6. The anti-loose detachable weight bar of claim 5, wherein: The sleeve (4) has a tapered groove that matches the inner core (5).