Fluid handling – With indicator – register – recorder – alarm or inspection means – Inspection means
Patent
1996-01-03
1997-10-21
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Inspection means
251 82, F16K 3700
Patent
active
056786050
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a fluid control valve system, and more particularly, to a fluid control tap whose structure is simplified and improved and which allows the flowing state of fluid to be observed.
BACKGROUND ART
Generally, a fluid control tap used, for instance, as a cock such as that for water or gas, functions to permit or block the flow of a fluid and to control the flow amount thereof.
A conventional fluid control tap includes (1) a main body portion for providing a space through which fluid flows, (2) a control portion having a valve which operates by a medium for controlling fluid flowing through the main body, (3) an assembly portion for coupling the control portion to the main body, and (4) a grip for operating the control portion. Since such a conventional tap includes many components and requires a positive and secure assembly between the main body and the assembly portion, and the manufacture thereof difficult and complicated. Such a tap also increases the production cost. Moreover, it is not easy for the average user to disassemble the tap for repair.
FIGS. 1 and 2 are cross-sectional views of a tap in a conventional fluid control valve system.
In this conventional fluid control tap, a body 1 hollowed such that fluid may flow therethrough and having a cylindrical portion 1c directed upward, includes an inlet 1a for receiving water from a water pipeline 2, and an outlet 1b for discharging water having passed through body 1. A first female threaded portion 1d and a first male threaded portion 1e are provided on the inner and outer circumferential surfaces of cylindrical portion 1c, respectively. A sealing cover 7 having a skirt 7a on whose inner surface a second female threaded portion 7b is formed is assembled with the first male threaded portion 1e. An operation pole 8 having a male threaded portion 8aformed on the lower outer circumferential surface thereof is connected to the first female threaded portion 1d of cylindrical portion 1c. An extended rod 8b of operation pole 8 passes through sealing cover 7 and extends on upward to be connected with a grip 3.
A valve seat 4 extended from inlet 1a and corresponding to operation pole 8 is provided inside body 1 so that a valve 6 pressed or released by operation pole 8 is located between valve seat 4 and operation pole 8. The valve is coupled to the lower portion of supporting rod 6a loosely fitted into the body of male screw portion 8a of operation pole 8. A packing 9 is interposed between cylindrical portion 1c and sealing cover 7 so as to prevent fluid leakage. Here, operation pole 8 and supporting rod 6a act as the medium enabling the operation of valve 6.
In such a water valve, being a typical and basic structure of the conventional tap, it is, however, difficult to manufacture the tap (or cock) due to the numerous necessary components and complicated interior configuration thereof, as detailed above, and the average user finds it difficult to disassemble the apparatus for any reason. Furthermore, the structure of the conventional tap as above is generally made of an opaque material such that potentially malfunctioning internal portions cannot be seen while assembled.
DISCLOSURE OF INVENTION
Therefore, in order to solve such problems, it is an object of the present invention to provide a fluid control valve system whose structure is simplified for easy manufacture and processing, repairing is facilitated, and the production cost is low.
It is another object of the present invention to provide a fluid valve system having various structures and is a high-value product, in which the flowing state of a fluid and potentially malfunctioning internal components can be seen without disassembly.
To accomplish the above object of the present invention, there is provided a fluid control valve system comprising: outlet communicating therewith, and an opened portion communicating with the cavity; and connected to enable a change of a relative position while relatively moving in the form of an up-down movement, a left-ri
REFERENCES:
patent: 2567892 (1951-09-01), Osterman
patent: 3454032 (1969-07-01), Hinz et al.
patent: 3570533 (1971-03-01), Hamilton
patent: 4210174 (1980-07-01), Eross
patent: 5365967 (1994-11-01), Moore
patent: 5383338 (1995-01-01), Bowsky et al.
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