Title:
AUXILIARY TOOL FOR TESTING MAINSPRING TORQUE
Document Type and Number:
WIPO Patent Application WO/2023/103382
Kind Code:
A1
Abstract:
An auxiliary tool for testing a mainspring torque, comprising a barrel bottom support (2) and a support seat (3). Barrel bridges (29) for clamping a barrel are arranged in a barrel accommodating seat (24) of the barrel bottom support (2), and a spacing adjustment mechanism for adjusting a distance between the barrel bridges (29) is arranged on an upper surface of a base plate (21); a side wall of an insertion post (22) is provided with a spring sheet (23); and the support seat (3) comprises an overload protection adjustment mechanism (33), wherein the overload protection adjustment mechanism (33) comprises at least two adjustment plates (332) and an adjustment assembly, a limiting region is formed between two adjacent adjustment plates (332), the adjustment assembly is used for driving the adjustment plates (332) to get close to or away from the insertion post (22), one end of the spring sheet (23) is clamped in the limiting region so as to limit rotation of the insertion post (22), and when the torque received by a mainspring reaches a preset torque range, the end of the spring sheet (23) is disengaged from the limiting region so as to release the torque received by the mainspring.
Inventors:
YI ZHI (CN)
MA LINA (CN)
YANG FUYANG (CN)
WANG YUCHEN (CN)
ZHANG MING (CN)
MA LINA (CN)
YANG FUYANG (CN)
WANG YUCHEN (CN)
ZHANG MING (CN)
Application Number:
PCT/CN2022/105910
Publication Date:
June 15, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
TIANJIN SEAGULL WATCH CO LTD (CN)
International Classes:
B25B11/00; G01L3/00; G01N3/00; G04D7/02
Foreign References:
| CN113878527A | 2022-01-04 | |||
| CN102540864A | 2012-07-04 | |||
| CN201724860U | 2011-01-26 | |||
| CN205719521U | 2016-11-23 | |||
| CN206496968U | 2017-09-15 | |||
| EP2128723A1 | 2009-12-02 |
Attorney, Agent or Firm:
TIANJIN HEZHENG INTELLECTUAL PROPERTY AGENCY LTD (CN)
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