Title:
BUFFER STOP
Document Type and Number:
WIPO Patent Application WO/2023/134316
Kind Code:
A1
Abstract:
A buffer stop, comprising a mounting base and a buffer stop cap made of rubber material, the buffer stop cap and the mounting base being connected to one another to enclose a sealed accommodating cavity, and the accommodating cavity being filled with a fluid medium; and further comprising a buffer cylinder and an elastic member arranged in the accommodating cavity, the buffer cylinder comprising a cylinder body and a piston, the piston being provided with a damping hole, and the elastic member being connected to the piston; one of the cylinder body and the elastic member interacts with the buffer stop cap, and the other of the cylinder body and the elastic member interacts with the mounting base. The present buffer stop has better buffering and stopping performance, better facilitates adjustment, and can conveniently form compression rigidity curves of more shapes, so as to better meet usage requirements.
Inventors:
YANG XIN (CN)
ZHOU JUNFENG (CN)
GUO PENGFEI (CN)
XU XIN (CN)
HAN XU (CN)
ZHOU JUNFENG (CN)
GUO PENGFEI (CN)
XU XIN (CN)
HAN XU (CN)
Application Number:
PCT/CN2022/135149
Publication Date:
July 20, 2023
Filing Date:
November 29, 2022
Export Citation:
Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
International Classes:
B61F5/50
Domestic Patent References:
| WO2020231972A1 | 2020-11-19 |
Foreign References:
| CN114228769A | 2022-03-25 | |||
| CN213473139U | 2021-06-18 | |||
| CN214367449U | 2021-10-08 | |||
| CN208760632U | 2019-04-19 | |||
| CN110352170A | 2019-10-18 | |||
| CN106641084A | 2017-05-10 | |||
| CN104417576A | 2015-03-18 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW CO., LTD. (CN)
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