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Patent Searching and Data


Title:
DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2009/132589
Kind Code:
A1
Abstract:
A damping device is provided. It comprises a shaft core (1), a shell (2), a one-way member (3), and damping oil. It has two blocking walls (21) extended from an inner wall to centre integrally on the shell (2). An outer wall of the shaft core (1) is resisted against top ends of two blocking walls (21) of the shell (2). Two convex ribs (11) are extended inwards to the shaft core (1) integrally. Damping oil is filled in a residual space in the sealed shell (2). A groove (12) is disposed on the convex ribs (11) along the axial direction of the shaft core (1). There are a first groove wall (13) and a second groove wall (14) located on the two sides of the groove (12). Several notches (15, 16) are disposed on each of the first groove wall (13) and the second groove wall (14). The one-way member (3) is movably located in the groove (12) and configured along with the shell (2) in sealing manner together with the shaft core (1). A part of the one-way member (3) provided inside the groove (12) is equipped with oil holes (31) misplaced with the notch (15) of one groove wall (13) and communicated with the notch (16) of the other groove wall (14). A face of the one-way member (3) resisted against the groove wall (14) whose notch (16) is communicated with the one-way member (3) is vertically equipped with several ribs (33).

Inventors:
CHEN GUOBIN (CN)
Application Number:
PCT/CN2009/071560
Publication Date:
November 05, 2009
Filing Date:
April 29, 2009
Export Citation:
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Assignee:
HOTI XIAMEN PLUMBING INC (CN)
CHEN GUOBIN (CN)
International Classes:
A47K13/10; A47K13/12; E05F5/02; F16F9/14
Foreign References:
CN201219865Y2009-04-15
CN200960081Y2007-10-17
CN2796631Y2006-07-19
CN2681668Y2005-03-02
CN2732170Y2005-10-12
JPH102367A1998-01-06
US20020125087A12002-09-12
US20030126717A12003-07-10
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO., LTD. (Hubin East RoadXiamen, Fujian 4, CN)
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