Title:
PISTON STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/058758
Kind Code:
A1
Abstract:
A piston structure, comprising a piston rod connector (10) which comprises a connector body (101), a seal ring (102) and a jaw structure (103); the seal ring (102) is sleeved on a first end portion (1011) of the connector body (101); the jaw structure (103) is provided on a second end portion (1012) of the connector body (101) and is opposite to the seal ring (102); the seal ring (102) has an annular seal body (1021) and an annular seal lip (1022); a first end (1022a) of the annular seal lip (1022) is fixed at the outside of the annular seal body (1021), and a gap (1023) is provided between a second end (1022b) of the annular seal lip (1022) and the annular seal body (1021). The piston rod connector (10) further comprises a snap-fit structure configured to fix the seal ring (102) to the first end portion (1011) of the connector body (101). The piston rod connector fixes a seal ring to a connector body by means of a snap-fit structure so as to avoid the separation problem of the seal ring in use.
Inventors:
LUO FENGLING (CN)
Application Number:
PCT/CN2016/105768
Publication Date:
April 05, 2018
Filing Date:
November 14, 2016
Export Citation:
Assignee:
HUIZHOU KESAI BIO MEDICAL CO LTD (CN)
International Classes:
F16J1/12; F04B53/04; F16J7/00
Foreign References:
| CN205064832U | 2016-03-02 | |||
| CN206071862U | 2017-04-05 | |||
| CN206054718U | 2017-03-29 | |||
| CN206071861U | 2017-04-05 | |||
| CN106641244A | 2017-05-10 | |||
| CN101482176A | 2009-07-15 | |||
| DE102010036172A1 | 2011-04-21 |
Attorney, Agent or Firm:
CO-HORIZON INTELLECTUAL PROPERTY INC. (CN)
Download PDF: