CN201322131Y

CN201322131Y - Permanent-magnet control shut-off valve

Info

Publication number: CN201322131Y
Application number: CNU2008202410937U
Authority: CN
Inventors: 钟荷清
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-26
Filing date: 2008-12-26
Publication date: 2009-10-07
Anticipated expiration: 2018-12-26

Abstract

The utility model relates to a permanent-magnet control shut-off valve which comprises a valve seat A, a valve cover B, a piston assembly C, a pressure discharging plug component D and also a handle component E; an upper handle part (13) is in butt joint with a middle handle part (12) to form a stepped spiral chute JTL which is about 360 degrees and is provided with a plurality of platforms; and one end of a bolt (15) at the upper end of a closed guide bushing (14) fixed on the valve cover B is inserted into the spiral chute JTL. The permanent-magnet control shut-off valve has the advantages that the advantages of static sealing, zero leakage and long service life of permanent-magnet shut-off valve in prior art are maintained; meanwhile, the design is optimized, the cost is reduced, no spring is used, the reliability and adaptability are improved and the function of flow control is added to the shut-off valve.

Description

A kind of permanent magnet control break valve

Technical field

The utility model relates to the permanent-magnet valve technical field, specifically a kind of permanent magnet control break valve.

Background technique

Permanent magnet control break valve is meant that it utilizes the energy of fluid itself with a kind of valve of permanent magnet control, uses the differential pressure controlling method, by the magnetic force coupling, by the outer permanent magnet of movement of valve, release bolt in the actuating valve, the logical of control valve closes, and valve has been realized totally-enclosed, zero leakage.Traditional valve is used bar, axle control more, and they all need to install " motive sealing " part, and the wearing and tearing of sealing material are that conventional valves produces the basic reason of leaking with wearing out.

Known relevant permanent magnetism stop valve technology (ZL02279055.1): double spiral groove design slope is bigger than normal in the handle, the outer permanent magnet of valve can not rest on the arbitrary position, armature (or permanent magnet) in it and the valve just a kind of " wink is moving " relation, valve can only be controlled leading to, closing of fluid, and can not control the flow of fluid; " release bolt assembly " needs antagonistic spring and spring seat in the valve, causes the design volume of permanent magnet and armature bigger than normal, therefore improved manufacture cost; Because the flexible plunger ring and the flexible valve block of " piston assembly " are connected as a single entity, become the lower part of piston branch, cause the ratio of the effective height of piston rigid element and valve seat diameter of cylinder less than normal, need increase piston rigid element and valve seat cylinder body size like this, otherwise the valve working reliability is reduced; The valve of larger caliber requires piston that bigger stroke is arranged, and also requires the outer permanent magnet of release bolt and valve that bigger stroke is arranged simultaneously, and these all need to increase cost; Because the differential pressure working principle of permanent magnetism stop valve is provided with pressurized hole and pressure relief vent on piston, when piston stroke was big, the valve working reliability reduced.

The model utility content

The utility model is by the improvement to known permanent magnetism stop valve technology, reaches to reduce cost, improve reliability, adaptability, makes it commercial purpose.

The utility model permanent magnet control break valve, comprise: valve seat A, valve gap B, release bolt assembly D, Handleset E, also have piston assembly C: under the piston made from rigid material on piece 3 and the piston between the piece 5 Clip adorning the piston ring 4 of the band shirt rim made from flexible material, under piston, mounting the valve block made from flexible material 2 below the piece 3, the binding bolt 1 that has or do not have a pressure relief vent XK is above-mentioned valve block 2, piece 3 under the piston, piston ring 4, piece 5 links together on the piston, exceeding primary valve FK radius in Off center has or does not have a pressurized hole ZK, so just improve the height of the rigid element of piston effectively, can reduce the design volume of piston and valve seat.

The utility model permanent magnet control break valve, comprise: valve seat A, valve gap B, piston assembly C, Handleset E, also have release bolt assembly D: the armature made from permeability magnetic material 8 is cylindrical bodys of a middle band groove, its groove height equals the thickness of valve outer ring permanent magnet 10, the isometrical cylindrical height in its two ends equals the thickness of the outer two magnetic boots 9 of valve, facts have proved, permanent magnet at same volume, under the situation of armature and same magnetic circuit, this height and the corresponding relation of thickness, can make the gravitation maximum between the armature 8 in valve outer ring permanent magnet 10 and the valve, annular permanent magnet 10 becomes " following " relation with the interior armature 8 of valve.Below armature 8, linking the guide rod made from non-magnet material 7, fixing in the lower end of guide rod 7 and unloading tamponade 6, or directly below armature 8, fixing and unloading tamponade 6.

The utility model permanent magnet control break valve, comprise: valve seat A, valve gap B, piston assembly C, release bolt assembly D, also have Handleset E: part 12 is encapsulated in annular permanent magnet 10 and magnetic boots 9 under the handle in the part 11 in the handle, part 13 docks the back and forms one near 360 ° the cascade spiral chute JTL that several platforms are arranged on the handle with part 12 in the handle, an end that is fixed in the latch 15 of sealing guide pin bushing 14 upper ends on the valve gap B is inserted among the spiral chute JTL, so, when turn Handleset E, can make it to produce the pairing position of each platform that vertical displacement also can rest on spiral chute JTL, cause that release bolt assembly D can rest on diverse location in the valve, so the utility model permanent magnet control break valve just can cascade be controlled the flow of fluid.

The permanent magnet control break valve of larger caliber, because piston stroke is bigger than normal, pressurized hole ZK and pressure relief vent XK can depart from valve and flow into LR, flow out the LC place than far causing the valve cisco unity malfunction, when on piston assembly C, not offering pressurized hole ZK and pressure relief vent XK, then flow into LR place and open the cylinder body upper end of a supercharging passage ZTD leading to valve seat A to valve seat A, lead to valve seat A outflow LC place open a discharge channel XTD to unload tamponade 6 below.

The advantage of the utility model permanent magnet control break valve is: when having kept whole advantages such as the quiet sealing of known permanent magnetism stop valve, zero leakage, life-span length, optimized design, reduce cost, do not used spring, improved reliability, adaptability, increased the function of control flow rate.

Description of drawings

Fig. 1 is the structural representation of permanent magnet control break valve.

Fig. 2 has the cascade spiral fluted of several platforms to launch schematic representation.

Fig. 3 is a structural representation of using the permanent magnet control break valve of supercharging passage ZTD and discharge channel XTD instead.

Embodiment

Embodiment:

According to Fig. 1, Fig. 2, shown in Figure 3, in the valve seat A and valve gap B of sealing, putting by linking bolt 1, valve block 2, piece 3 under the piston, piston ring 4, the piston assembly C that piece 5 is formed on the piston, on piston assembly C, putting by unloading tamponade 6, guide rod 7, armature 8 or by unloading tamponade 6, the release bolt assembly D that armature 8 is formed, by magnetic boots 9, annular permanent magnet 10, part 11 under the handle, part 12 in the handle, the Handleset E that part 13 is formed on the handle is sleeved on outside the sealing guide pin bushing 14 on the valve gap B, and latch 15 1 ends that are fixed in sealing guide pin bushing 14 upper ends on the valve gap B are inserted among the spiral chute JTL among the Handleset E.

The working principle of permanent magnet control break valve: when Handleset E rests on lower position-arresting, unload tamponade 6 and close pressure relief vent XK (or discharge channel XTD), fluid enters into above the piston assembly C through pressurized hole ZK (or supercharging passage ZTD), because the area of fluid pressure action on piston assembly C is greater than acting on area below the piston assembly C (area that equals piece 3 under the piston subtracts the area of primary valve FK), piston assembly C closes primary valve FK by the energy of fluid; When Handleset E rests on upper position-arresting, unload tamponade 6 and also move to corresponding upper position-arresting, fully open pressure relief vent XK (or discharge channel XTD), release this moment flow maximum, pressure above the piston assembly C is reduced to minimum, fluid upwards backs down piston assembly C rapidly, flows out through primary valve FK with the flow of maximum; When Handleset E rests on the different platform corresponding position of cascade spiral chute JTL, its meaning is corresponding different release area, thereby corresponding different release flow, its effect is the dynamic balancing that pressurized hole ZK (or supercharging passage ZTD) and pressure relief vent XK (or discharge channel XTD) produce different flow, piston assembly C above and below produces the dynamic balancing of different pressures, thereby piston assembly C floats to different positions, the flow that valve output is different.

Claims

1, a kind of permanent magnet control break valve, comprise: valve seat A, valve gap B, release bolt assembly D, Handleset E, it is characterized in that: also have piston assembly C, under the piston made from rigid material on piece (3) and the piston between the piece (5) Clip adorning the piston ring (4) of the band shirt rim made from flexible material, mounting the valve block made from flexible material (2) below the piece under piston (3), linking bolt (1) piece (5) on piece (3), piston ring (4), the piston under above-mentioned valve block (2), the piston is linked together.

2, a kind of permanent magnet control break valve, comprise: valve seat A, valve gap B, piston assembly C, Handleset E, it is characterized in that: also have release bolt assembly D, comprise: the armature made from permeability magnetic material (8) is the cylindrical body of a middle band groove, its groove height equals the thickness of valve outer ring permanent magnet (10), and the isometrical cylindrical height in its two ends equals the thickness of the outer two magnetic boots (9) of valve.

3, a kind of permanent magnet control break valve, comprise: valve seat A, valve gap B, piston assembly C, release bolt assembly D, it is characterized in that: also have Handleset E, comprise: part on the handle (13) docks the back and forms one near 360 ° the cascade spiral chute JTL that several platforms are arranged with part (12) in the handle, and an end of latch (15) that is fixed in sealing guide pin bushing (14) upper end of valve gap B is inserted among the spiral chute JTL.

4, a kind of permanent magnet control break valve according to claim 1, it is characterized in that: when on piston assembly C, not offering pressurized hole ZK and pressure relief vent XK, then flow into LR place and open the cylinder body upper end of a supercharging passage ZTD leading to valve seat A, open a discharge channel XTD to the below of unloading tamponade (6) leading to valve seat A outflow LC place to valve seat A.