CN1333189C

CN1333189C - Water inlet and outlet automatic valve for water tower

Info

Publication number: CN1333189C
Application number: CNB2005100609881A
Authority: CN
Inventors: 李希云
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-03
Filing date: 2005-10-03
Publication date: 2007-08-22
Anticipated expiration: 2025-10-03
Also published as: CN1752488A

Abstract

The present invention relates to a special water inlet and outlet automatic switch for water towers. The edge of a neck part of an upper opening for the inner cavity of a valve body forms an arc surface, and the middle part of a movable rod is fixed with a spherical piston and the lower part of the movable rod is fixed with a heavy block. The top end of the movable rod is fixed with a pull wire through the upper opening of the inner cavity for the valve body, and the other end of the pull wire is fixed on a floating ball; when the spherical surface of the spherical piston tightly contacts with the arc surface on the edge of the neck part of the upper opening of the inner cavity for the valve body when the movable rod is raised and a lower opening of the valve body is provided with connecting screw threads. The present invention has the advantages of few pipe lines, long service life and low cost.

Description

Water inlet and outlet automatic valve for water tower

One, affiliated technical field

The present invention relates to a kind of water inlet and outlet switch that is used for water supply installation, refer in particular to a kind of water inlet and outlet automatic valve for water tower.

Two, background technique

Because the instability of tap water hydraulic and the maintenance of tap water facility, sometimes hydraulic pressure is very low even do not have hydraulic pressure, high slightly place does not just have tap water to use, therefore family, hotel, restaurant etc. all are provided with water tower at its highest point, usefulness during in order to tap water hydraulic deficiency or the maintenance of tap water facility, simultaneously water pump is set, automatic or manual supercharging when hydraulic pressure is not enough at the running water pipe water meter inner segment of registering one's residence.At present, utilize the water tower water inlet and outlet that three kinds of modes are arranged.First kind is single tube water inlet and outlet mode, open a water outlet in the water tower bottom, a water intake is opened on water tower top, article one, connect a threeway from the running water pipe behind the water pump of registering one's residence on the water tower side, one to picking out the mouth of a river by a safety check, one to tapping into the mouth of a river, and floater controlled valve is set in the water intake, the other running water pipe that connects of water tap.Second kind is two-tube water inlet and outlet mode, article one, tap into the mouth of a river from the running water pipe behind the water pump of registering one's residence, floater controlled valve is set in the water intake, article one, outlet pipe picks out the mouth of a river, water tap can connect running water pipe and outlet pipe or singly connect running water pipe and outlet pipe by three, how this mode has been compared an outlet pipe and has been lacked a safety check with first kind of mode, be suitable for automatically controlled water pump, and this mode is applicable to newly-built house.The third is three pipe water inlet and outlet modes, article one, tap into the mouth of a river from the running water pipe behind the water pump of registering one's residence, floater controlled valve is set in the water intake, article one, outlet pipe picks out the mouth of a river, also has one from the tap water water pipe before the water pump behind the water meter of registering one's residence, water tap can pick out water pipe, running water pipe and water pipe simultaneously or singly pick out water pipe, running water pipe and water pipe by four-way, how this mode has compared a water pipe with the second way, but be more suitable in automatically controlled water pump, it also can only be used for newly-built house.First kind of mode biggest advantage is easy to be few with pipeline, and maximum defective is the problem of safety check, because safety check used after several years, incrustation scale amasss thick its sealability that has a strong impact on, and the thin length stream that leaks causes and overflows water tower, and the waste tap water is the most worried thing of user.

Three, summary of the invention

The object of the present invention is to provide a kind of water inlet and outlet automatic valve for water tower, its pipeline is few, long service life, and cost is low.

For achieving the above object, the solution that the invention is taked is: a kind of water inlet and outlet automatic valve for water tower, body cavity neck edge suitable for reading becomes a cambered surface, the fixedly fixing pouring weight in sphere piston, bottom of bar middle part of living, live bar by body cavity fixedly backguy of its top suitable for reading, the backguy the other end is fixed on the ball float, and the sphere of sphere piston closely contacted with the cambered surface of body cavity neck edge suitable for reading when the bar of living rose, and the valve body end opening is provided with connecting thread.

This switch adopts single tube water inlet and outlet mode.During use, cooperate with the connecting thread of valve body end opening by connecting bend valve body is installed in water tower lower openings place, the outlet port directly connects running water pipe, and valve body is vertical; Ball float one end is installed in highest water level restriction place of water tower top.When the water in the water tower does not arrive highest water level, a ball float fixedly end of backguy is hung one's head, under the effect of pouring weight, the bar of living descends, the sphere of sphere piston is not in the neck cambered surface, and tap water (enough pressure is arranged self or under the water pump supercharging) directly (safety check is not set) enters water tower from the water tower lower openings by body cavity.When water level reaches highest water level, ball float floats the action of gravity tension backguy that overcomes pouring weight, the cambered surface that the sphere of bar rising sphere piston of living props up body cavity neck edge suitable for reading with its closely contact block suitable for reading, good seal performance, tap water can not enter water tower.When the tap water hydraulic deficiency, formation negative pressuren zone below sphere piston, under the hydraulic pressure in water tower and the action of gravity of pouring weight, the sphere of sphere piston leaves the cambered surface of body cavity neck edge suitable for reading, and the water in the water tower comes out by the water tower lower openings for use from suitable for reading.So in a mouth, pass in and out, reach the purpose of automatic water inlet and outlet.

This water inlet and outlet automatic valve for water tower passes in and out the water inlet and outlet gang in a mouth of water tower bottom, compare with first kind of mode of prior art, need not floater controlled valve and safety check, and saves water pipe and threeway connecting head, and the water inlet and outlet flow is increased.Can clean sphere piston automatically during water inlet and outlet, incrustation scale can not condense on sphere piston, and sealability is unaffected, has thoroughly eliminated the worry of user because of bringing with safety check.Its pipeline is few, long service life, and cost is low.

Four, description of drawings

Fig. 1 is the structural representation of present embodiment.

Among the figure: 1, ball float, 2, plug gas screw, 3, backguy, 4, erection joint, 5, the spacing framework of ball float, 6, valve body, 7, the bar of living, 8, seal ring, 9, right convex hull lid, 10, left convex hull lid, 11, extension tube, 12, the resilience rubber, 13, push rod, 14, curved depression bar, 15, fastening screw, 16, fastening screw trip bolt, 17, peg, 18, set screw, 19, retaining screw, 20, fixed support, 21, sphere piston, 22, pouring weight, 23, aproll plate, 24, joint, 25, cambered surface, 26, the typing circle.

Five, embodiment

Below in conjunction with embodiment and accompanying drawing thereof the good effect of the present invention and generation thereof is remake description.

Referring to Fig. 1, a kind of water inlet and outlet automatic valve for water tower, valve body 6 inner chambers neck edge suitable for reading becomes a cambered surface 25, the fixedly fixing pouring weight 22 in sphere piston 21, bottom of bar 7 middle parts of living, live bar 7 by the fixedly backguy 3 of valve body 6 inner chambers its top suitable for reading, backguy 3 the other ends are fixed on the ball float 1, and the sphere of sphere piston 21 closely contacted with the cambered surface 25 of valve body 6 inner chambers neck edge suitable for reading when the bar 7 of living rose, and valve body 6 end openings are provided with connecting thread.

Referring to Fig. 1, ball float 1 is placed in the spacing framework 5 of ball float, and spacing framework 5 ports of ball float connect erection joint 4, and backguy 3 is fixed on the plug gas screw 2 of ball float 1 one ends.Erection joint 4 generally is installed in the existing exhaust port in water tower top.The spacing framework 5, one of ball float is set, prevents that ball float 1 is floating everywhere, the 2nd, make the backguy 3 and the bar 7 of living be in plumbness all the time, the 3rd, had spacingly, limited the rise and fall distance of bar 7 alive, the sensitivity that improves water inlet and outlet.

Referring to Fig. 1, valve body 6 end openings are placed aproll plate 23, and joint 24 cooperates to tighten with the connecting thread of valve body 6 end openings and props up aproll plate 23.Aproll plate 23 is set, and the cambered surface 25 that the sphere that prevents tap water ultrahigh pressure (more than 2 kilograms or with the water pump supercharging time) chien shih sphere piston at a flash 21 props up valve body 6 inner chambers neck edge suitable for reading makes water can not enter water tower.

Referring to Fig. 1, the intermediate openings of valve body 6, be under the intermediate openings by set screw 18 and retaining screw 19 mounting and fixing brackets 20 at valve body 6 internal chamber walls, tack curved depression bar 14 by peg 17 on the fixed support 20, curved depression bar 14 1 ends are fixed on the bar alive 7 under the sphere piston 21, end intermediate openings towards sphere piston 21 spheres and dorsad; It is fastening by some fastening screw trip bolts 16 and fastening screw 15 to place seal ring 8, typing circle 26 and resilience rubber 12 backs between left side convex hull lid 10 and the right convex hull lid 9, left side convex hull covers 10 central openings, extension tube 11 1 ends connect the central opening of left convex hull lid 10, insert push rod 13 in the extension tube 11, extension tube 11 the other ends are connected with valve body 6 intermediate openings.This negative pressure valve and effect assembly thereof are set, in order to improve the sensitivity of water outlet.When the tap water hydraulic deficiency, formation negative pressuren zone below sphere piston, push rod 13 is backed down in 12 resiliences of resilience rubber, push rod 13 withstands curved depression bar 14, curved depression bar 14 is depressed the sphere of sphere piston 21, under the hydraulic pressure and the gravity triple role of pouring weight 22 of sphere piston 21 in curved depression bar 14, water tower, sphere leaves the cambered surface 25 of body cavity neck edge suitable for reading very soon like this, and the water in the water tower comes out by the water tower lower openings for use from suitable for reading.

Claims

1, a kind of water inlet and outlet automatic valve for water tower, it is characterized in that: valve body (6) inner chamber neck edge suitable for reading becomes a cambered surface (25), the fixedly fixing pouring weight (22) in sphere piston (21), bottom of bar (7) middle part of living, live bar (7) by valve body (6) inner chamber fixedly backguy of its top suitable for reading (3), backguy (3) the other end is fixed on the ball float (1), the sphere of sphere piston (21) closely contacted with the cambered surface (25) of valve body (6) inner chamber neck edge suitable for reading when the bar (7) of living rose, and valve body (6) end opening is provided with connecting thread.

2, a kind of water inlet and outlet automatic valve for water tower according to claim 1, it is characterized in that: ball float (1) is placed in the spacing framework of ball float (5), the spacing framework of ball float (5) port connects erection joint (4), and backguy (3) is fixed on the plug gas screw (2) of ball float (1) one end.

3, a kind of water inlet and outlet automatic valve for water tower according to claim 1 is characterized in that: valve body (6) end opening is placed aproll plate (23), and joint (24) cooperates to tighten with the connecting thread of valve body (6) end opening and props up aproll plate (23).

4, a kind of water inlet and outlet automatic valve for water tower according to claim 1, it is characterized in that: the intermediate openings of valve body (6), be under the intermediate openings by set screw (18) and retaining screw (19) mounting and fixing bracket (20) at valve body (6) internal chamber wall, fixed support (20) is gone up and to be tacked curved depression bar (14) by peg (17), and curved depression bar (14) one ends are fixed on the bar alive (7) sphere piston (21) under, end intermediate openings towards sphere piston (21) sphere and dorsad; It is fastening by some fastening screw trip bolts (16) and fastening screw (15) to place seal ring (8), typing circle (26) and resilience rubber (12) back between left side convex hull lid (10) and the right convex hull lid (9), left side convex hull lid (10) central opening, extension tube (11) one ends connect the central opening of left convex hull lid (10), insert push rod (13) in the extension tube (11), extension tube (11) the other end is connected with valve body (6) intermediate openings.