CN202768975U

CN202768975U - Blocking-resisting water economizer

Info

Publication number: CN202768975U
Application number: CN 201220216242
Authority: CN
Inventors: 邓鸣镛
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-26
Filing date: 2012-05-09
Publication date: 2013-03-06
Anticipated expiration: 2022-05-09

Abstract

The utility model provides a blocking-resisting water economizer. The blocking-resisting water economizer comprises a valve body, a valve core, a spring, a pressure ring and a mesh, wherein a cavity is formed inside the valve body; a guiding surface is formed on the inner wall of the cavity or a guiding limit ring is combined to the inner side of the cavity; a limiting support structure is formed or combined to one end of the cavity; a structure with the fixed pressure ring and the mesh is formed at the other end of the cavity; a flow adjusting window is arranged on the valve core; the spring and the valve core are sequentially embedded in the cavity of the valve body; and the mesh and the pressure ring are fixed on the valve body. The valve core slides under the actions of water pressure and a spring force so as to change the flowing area of the water economize and further adjust the flow. Or the blocking-resisting water economizer disclosed by the utility model comprises the valve body, a throttling plate, an elastic O-shaped ring, the pressure ring and the mesh; the throttling plate is fixed in the valve body; the O-shaped ring is arranged on the throttling plate; and when the water pressure changes, the O-shaped ring deforms and the overflow area of small holes on the throttling plate is changed, and thus the flow adjustment is realized. According to the blocking-resisting water economizer disclosed by the utility model, the problem that an automatic water economizer is easy to block is solved with a simple low-cost structure.

Description

Anti-stifled water economizer

Technical field

The utility model relates to a kind of plumbing, is specifically related to water economizer.

Background technique

Water economizer is widely applied, and social and economic benefits is remarkable, such as school district, University Of Science and Technology Of Shandong Qingdao more than 5000 its prosperous board water economizer is installed, 120,000 tons of water savings in a year.

The structural type of common automatic water-saving device shown in Fig. 1～8, Fig. 1,2, the 3rd wherein, the citation form of three kinds of automatic water-saving devices of its prosperous board, Fig. 4, Fig. 5 are the citation forms of other two kinds of commercially available automatic water-saving devices, Fig. 6,7, the 8th, the series product of Fig. 1, Fig. 4, form shown in Figure 5 also can derive the series product of different installation.

Above-mentioned water economizer has following defective: may stop up when impurity is many in the water, particularly often stop up behind the pipeline maintenance.After stopping up, generally need to unpick and wash, for the occasion that colleges and universities etc. install and use in a large number, the workload of unpicking and washing is very large, and affects normal water.In addition, for water economizer shown in Figure 5, washing away of sandstone can be accelerated flexible O shape circle and lost efficacy in the water, shortens product working life.

Have the user to add fixed filter at pipeline and stop up avoiding, but it is too high to add the fixed filter cost before each water economizer, if be installed on supervisor or the transverse tube, can reduce pipeline flow again, causes insufficient water.In addition, add fixed filter pipeline is increased, often tie up and use the water space, cause and use inconvenience.

Summary of the invention

The utility model provides a kind of automatic water-saving device of integrating filtrating equipment, can avoid blocked and this filtrating equipment of water economizer itself to have anti-blockage capability, and is simple and reliable for structure, with low cost.

Water economizer of the present utility model comprises valve body, spool, spring, pressure ring, net sheet, and described valve interior wall is formed with guide surface or in conjunction with a guide and limit ring, spring, spool are sleeved in the valve body successively, and pressure ring is combined on the valve body, and the net sheet is fixed by pressure ring; Spool can change the area of passage of water economizer in hydraulic pressure and spring-force driven dual lower slider, thus adjust flux.Perhaps, water economizer of the present utility model comprises valve body, throttling plate, elastic O-ring, and throttling plate is fixed in the valve body, and O shape circle places on the throttling plate, and pressure ring is combined on the valve body, and the net sheet is fixed by pressure ring; Deformation occurs, changes the area of passage of aperture on the throttling plate in O shape circle during variation in water pressure, thereby realizes Flow-rate adjustment.

Described valve body comprises the housing of water tap, water meter, angle valve, modulating valve, ball valve, stop valve, flushing valve, gondola water faucet, shower nozzle, pipeline.

Described pressure ring and the combination of valve body comprise interference fit, bonding, be threaded.

Described spool is for falling cup-shaped member, and there is throttle window the side, and there is support protrusion on the cup top on the exterior edge face.

Feed-water end inwardly shrinks that end face has chamfering outside the flange endoporus of formation on described pressure ring endoporus or the valve body.

Described pressure ring and net sheet form one.

Described net sheet mesh 10～60 orders.

The flange height that feed-water end inwardly shrinks formation on described pressure ring length or the valve body is not more than 1/2 of net sheet effective diameter.

The utility model has solved the susceptible to plugging problem of automatic water-saving device with simple low cost structure, also most widely used Fig. 1 and serial water economizer thereof is improved simultaneously, is conducive to further applying of automatic water-saving device.

Description of drawings

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Fig. 1,2, the 3rd, the main sectional view of its prosperous board water economizer three basic structures.

Fig. 4 is basic structure master's sectional view of WQS water economizer.

Fig. 5 is the water economizer master sectional view by elastic O-ring distortion throttling.

Fig. 6～8th, the derived structure of Fig. 1.

Fig. 9,10,11 is respectively embodiment one, two, three structure diagram.

Figure 12～15th, embodiment four structure diagram.

Figure 16 is embodiment five structure diagram.

Figure 17,18,19,20,21 is respectively embodiment six, seven, eight, nine, ten structure diagram.

Figure 22 is the scheme of installation that the embedded water economizer of the utility model is installed in the first-class pipe fitting water intake of the fire hose.

Figure 23 is the scheme of installation that the embedded water economizer of the utility model is installed in the pipe fitting water outlets such as triangle vavle.

Among the figure, 1, valve body, 2, the guide and limit ring, 3, spool, 31, throttle window, 32, the water inlet, 4, spring, 5, pressure ring, 6, O shape circle, 7, throttling plate, 8, pad, 9, the net sheet, 10, baffle plate, 11, water tap, 12, water economizer, 13, angle valve, 14, pad, 15, nut.

Shown position is the original state of water economizer.

Embodiment

Shown in Figure 9 is embodiment one of the present utility model, and the valve body 1 that is about to water economizer shown in Figure 1 extends upward and form boss, and net sheet 9 forms the one pressing with pressure ring 5 or is bonded on the described boss.There is the chamfering greater than 45 degree pressure ring 5 upper-end surfaces, and the circulation area of net sheet 9 is greater than the maximum slotted density of the restriction that forms between throttle window 31 and guide and limit ring 2 upper-end surfaces.

The present embodiment mounting type is to insert the water economizer cylindrical section in the first-class pipe fitting water intake of the fire hose and form between the two to seal, as shown in figure 22.In the present embodiment, net sheet 9 diameter 11mm, mesh aperture 0.4mm, the contaminant size that process net sheet filters is much smaller than the minimum dimension of restriction, and restriction can be not blocked; Apart from 1.5mm, impurity is difficult for adhering to, accumulates on the net sheet wire side in the water to pressure ring 5 upper-end surfaces, has once in a while sheet impurity to adhere to, and washes out under the effect of the back-flushing that also can form when water tap is closed.Therefore, water economizer can not stop up.Impurity then can not installed from other water terminal of water economizer, such as discharges such as lavatory flushing valves.

Figure 10 is embodiment two, and valve body 1 is made of tap shell and the baffle plate 10 that is fixed in this tap shell, and all the other are with embodiment one.The present embodiment is a kind of water tap of having integrated filter screen, automatic water-saving device.

Figure 11 is embodiment three, and valve body 1 is tap shell, and guide and limit ring 2 is pressed on the valve body 1 left side flange, and the throttle window 31 of spool 3 extends through on the spool its right end face.All the other and embodiment two are basic identical.

Figure 12 is embodiment four, valve body 1 cavity bottom is formed with guide surface, the upper end is formed with boss, spool 3 is the cup-shaped member of falling that there is throttle window 31 side, spring 4, spool 3 are contained in the valve body 1 successively, pressure ring 5 and valve body 1 interference fit, net sheet 9 is 40 order stainless steel filtering nets, is fixed on valve body 1 boss by pressure ring 5.Pressure ring 5 internal diameters are slightly smaller than spool 3 external diameters.There is protruding structure shown in Figure 13,14 spool 3 upper-end surfaces, and purpose is to reduce spool 3 compression areas sudden change amplitude, improves the water economizer Flow characteristics.

Compare with embodiment one, the present embodiment has not had the limit structure on guide and limit ring 2 and the spool 3, and structure is simpler, and radially, axial dimension can reduce, valve body 1 can also be made two section type structure shown in Figure 15, can be fit to respectively different installation apertures.Mounting type and embodiment one are basic identical.

Figure 16 is embodiment five, there is the screw thread that is connected with pipe fitting at valve body 1 two ends, net sheet 9 forms one with pressure ring 5 and is installed in valve body 1 upper end by screw thread, and the structure of regulating the screw pair relative position is arranged on the pressure ring 5, rotates the maximum slotted density that pressure ring 5 can change initial tension of spring and spool.

Figure 17 is embodiment six, and baffle plate 10 is combined in valve body 1 bottom by screw thread, and flap shutter 10 can change initial tension of spring and minimum area of passage; Net sheet 9, pressure ring 5 are fixed on valve body 1 upper end.

Figure 18 is embodiment seven, and spool 3 forms up and down two cavitys, and water inlet 32 is arranged on the epicoele body wall, and throttle window 31 is arranged on the cavity of resorption body wall, on the cavity division surface aperture is arranged up and down, and this aperture is the minimum stream metering-orifice.Net sheet 9, pressure ring 5 are fixed on the valve body 1.

Figure 19 is embodiment eight, and spool 3 is cylindrical bodys that there is throttle window 31 side, and net sheet 9 is fixed on the valve body 1 by pressure ring 5.Mounting type is with embodiment one.

Figure 20 is embodiment nine, and there is the inward flange of inside contraction valve body 1 upper end, pressure ring 5 and valve body 1 interference fit, and net sheet 9 is fixed between pressure ring 5 and the described flange; One outward flange is formed at spool 3 tops, and water inlet 32 is arranged on the outward flange, and throttle window 31 is formed at spool 3 bottoms, and spring 4 upper ends are pressed on the pressure ring 5, and the lower end is pressed on the back-up ring 10, and back-up ring 10 is fixed on valve body 1 lower end by interference fit.Mounting type is the water outlet that water economizer is inserted the pipe fitting such as angle valve, by end face seal, as shown in figure 23.

Figure 21 is embodiment ten, and throttling plate 7 forms one with valve body 1, and elastic O-ring fixes on throttling plate by the groove on the valve body 1, and pressure ring 5 forms one with net sheet 9 and is fixed on the valve body upper end.The present embodiment discharge stability is poor, the life-span is short, and advantage is that cost is low.Mounting type as shown in figure 22.

Claims

1. one kind resists stifled water economizer, comprise valve body (1), described valve body (1) inwall is formed with guide surface or in conjunction with a guide and limit ring, spring (4), spool (3) are sleeved in the valve body, it is characterized in that: pressure ring (5) is combined on the valve body, and net sheet (9) is fixing by pressure ring (5).

2. according to claim 1 resisting blocked up water economizer, it is characterized in that: described spool is for falling cup-shaped member, and there is throttle window the side, and cup pushes up on the exterior edge face support protrusion.

3. an anti-stifled water economizer comprises valve body (1), and throttling plate (7) is fixed in the valve body, and O shape circle (6) places on the throttling plate, and it is characterized in that: pressure ring (5) is combined on the valve body, and net sheet (9) is fixing by pressure ring (5).

4. according to claim 1 or 3 described anti-stifled water economizers, it is characterized in that: described valve body (1) comprises the housing of water tap, water meter, angle valve, modulating valve, ball valve, stop valve, flushing valve, gondola water faucet, shower nozzle and pipeline.

5. it is characterized in that according to claim 1 or 3 described anti-stifled water economizers: described pressure ring (5) and the combination of valve body (1) comprise interference fit, bonding, be threaded.

6. according to claim 1 or 3 described anti-stifled water economizers, it is characterized in that: described pressure ring (5), net sheet (9) form one.

7. according to claim 1 or 3 described anti-stifled water economizers, it is characterized in that: described net sheet mesh is 10～60 orders.

8. it is characterized in that according to claim 1 or 3 described anti-stifled water economizers: feed-water end inwardly shrinks that end face has chamfering outside the flange endoporus of formation on described pressure ring endoporus or the valve body.

9. it is characterized in that according to claim 1 or 3 described anti-stifled water economizers: the flange height that feed-water end inwardly shrinks formation on described pressure ring length or the valve body is not more than 1/2 of net sheet effective diameter.