CN2428649Y - Porcelain-core three-way valve - Google Patents

Abstract

The utility model relates to a porcelain-core three-way valve, which is composed of a valve core, a valve body, a corresponding sealing element and a poking device. The utility model is characterized in that a left and a right sets of valve cores evenly distributed with two or more than two fan-shaped through holes are respectively arranged in the cavities of two valve bodies, the shaft lines of which are coincident or are mutually perpendicular, and the linkage is realized through a poking ring of the poking device which causes the planes of moving plates in the two sets of valve cores to rotate; the number of the fan-shaped through holes or the size of a central angle of the two valve cores can be select according to the requirement, and consequently, various valves of as two-position three-way valves three-position or three-way valves can be constructed. The utility model has the characteristics of abrasion resistance, corrosion resistance, good sealing, long life time, and accurate flow regulation. The utility model is an ideal valve for industrial or civil use.

Description

The porcelain core three-way valve

The utility model relates to a kind of porcelain core three-way valve.

Existing by two groups of spools and Sealing be included in valve body outward and triple valve that striking gear is formed, as the locked valve of the threeway of using on the heating and ventilating equipment is to adopt spiral lift or cock-type, not wear-resistant, life-span is low, easily leak, Flow-rate adjustment is inaccurate, if metallic seal, then require the accuracy of manufacturing height of valve body, the sealing surface place often needs precise finish.

The objective of the invention is to overcome above shortcoming, provide a kind of wear-resistant, corrosion-resistant, good seal, the life-span height, Flow-rate adjustment is fit to industry and civilian porcelain core three-way valve accurately.

The utility model be with the adaptive seal washer of two ceramic plates of uniform mutual applying by two or more fan-shaped pylones and porcelain ring and both sides form about two groups of spools, be installed in the cylindrical cavity of T shape three way valve and constitute, and with the shaft axis of two groups of spools in same direction or Vertical direction constitutes respectively in the same way or the angie type three-way valve of rightabout straight formula three-way valve or Vertical direction.The moving plate of a slice is by means of being fixed the interlock of chimeric ring by it and doing the plane around axis and turn round synchronously in the middle of this spool, a stator and a porcelain ring of both sides are located on the valve body and can not turn round, and the relative position of the stator of pre-set two groups of spools and moving plate: when the spool of an end is in opening state, another spool then must be in closed condition, the structure of two groups of spools should correspondence become two states of switch (two position three-way valve) promptly, and then can constitute 3-position-3-way valve etc. again, all should be provided with corresponding seal washer on the both ends of the surface of every group of spool naturally and form.

Provide specific embodiment of the utility model in detail below in conjunction with accompanying drawing:

The assembling front view of Fig. 1 the utility model angie type three-way valve

The assembling right elevation of Fig. 2 the utility model angie type three-way valve

The valve core structure decomposing schematic representation of Fig. 3 the utility model angie type three-way valve when shape (two groups of spools all be in half-open)

The assembling front view of the straight formula A type of Fig. 4 the utility model three-way valve

The assembling left view of the straight formula A type of Fig. 5 the utility model three-way valve

The valve core structure decomposing schematic representation of the straight formula A type of Fig. 6 the utility model three-way valve

The drive structure of gear worm decomposing schematic representation of the straight formula Type B of Fig. 7 the utility model three-way valve

Wherein: 1. handle 11. left pin 12. right outer washer 13. right stator 14. right moving plate 15. right porcelain ring 16. right inner washer 17. right ring 18. right handle 19. right pin 20. connecting rods 21. fastening screw trip bolts 22. cotter pins 23. interlock rings 24. worm screws 25. pins of dialling are dialled on main valve body 2. left valve barrels 3. left valve barrels 4. left outer washer 5. left stator 6. left moving plate 7. left porcelain ring 8. left inner washer 9. left rings 10. left sides.(above-mentioned each packing ring is removed in the valve core structure decomposing schematic representation).

As Fig. 1-3, the lower-left end that the left spool M1 that the utility model is the left stator 5 that will be evenly equipped with the mutual applying of two or more fan-shaped pylones, left moving plate 6, form with left porcelain ring 7 and left outer washer 4, left inner washer 8 is installed in main valve body 1 is referred to as in the cylindrical cavity of left valve barrel 2, the striking gear of the left ring 9 of one left pin 11 and left moving plate 6 commissures also is set, and left stator 5 wherein and left porcelain ring 7 are located with the groove (not drawing among the groove figure) on the dog on its excircle and this cylindrical cavity madial wall.Right spool M2 then is by right outer washer 12, right stator 13, right moving plate 14, right porcelain ring 15, right inner washer 16 compositions also are fixed in right valve barrel 3, the right pin 19 of one striking gear and the right ring 17 of right moving plate 14 commissures also are set, above-mentioned left and right sides valve body 2,3 all can link with main valve body 1 fastening by screw thread or flange-type, form angie type three-way valve of the present utility model, and a fixing respectively left side dial handle 10 and right dial handle 18, the orthogonal left ring 9 of axis and right ring 7 be provided with both intermeshing cone gear R and realize interlock, only be provided with one usually and dial handle and get final product.

Be that three fan shaped boreholes of 60 ° are example with central angle all among the above-mentioned figure, its area sum is slightly less than half of its area of a circle.Dial the handle angle of revolution and also be 60 °.Have three fan shaped boreholes, the relative position of two groups of spool ceramics of two states of realization three-way valve (pass, a left side is opened on the left Kai Youguan and the right side) as shown in Figure 3, (relative position of the moving plate of two groups of spools and stator is in half-open position among the figure, and promptly the fan shaped borehole on the stator is blocked half by moving plate).Dial handle 18 when the right side and drive 14 when turning to limit position A together with ring 17, then right spool M2 standard-sized sheet, this moment the left spool M1 contract fully after circular cone tooth R transmission.Otherwise right closing opened on a left side.

If with above-mentioned two spools, be in the inner cavity chamber of left spool M1 and the right spool M2 valve body that is installed in dead in line, just place the straight-through part of three way valve, it is the dead in line of left and right spool M1, M2, can form a kind of of the straight formula three-way valve of the utility model shown in Fig. 4-6, adopt left and right moving plate 6,14 directly to be embedded in the corresponding left and right ring 9,17 among the figure, the striking gear that relies on be by left ring 9 and right ring 17 in the equidirectional circular hole that stretches out on the tiller grip, circular connecting rod 20 of cross-under and with being connected and fixed as cotter pin 22 or bolt.

Consider on the technology and simplify, operate simpler, wherein a kind of reduced form as another embodiment of the present utility model, it is left inner ring pad 8 with the intermediate portion of two groups of spools among Fig. 6, left side porcelain ring 7, the overall assembly structure of right inner washer 16 and right porcelain ring 15 can replace with the interlock ring 23 of a cylindrical tubular body, and with two blind holes of having of both sides, left moving plate 6 and right moving plate 14 that structure is identical with relative position link together via pin 25, the worm gear arrangement R of certain center of circle angle is arranged at the external cylindrical surface bottom of this interlock ring 23, only realize interlock with an interlock ring 23 and with the worm screw 24 of its commissure this moment, promptly replace two rings and dial handle with the worm and gear kind of drive, the outer sealing of this worm screw 24 and valve body can be adopted ceramic machinery sealing or conventional seals.Part then has one or more through hole (being four square holes among Fig. 7) and will manage inside and outside the connection except worm gear arrangement R.The external cylindrical surface of interlock ring 23 and body cavity cylndrical surface concentric are slidingly matched, and cylindrical cavity edge has 3 through holes of circumference uniform distribution can insert 3 pins 25 in it, to match with circular blind hole D on the plane that left and right moving plate 6,14 matches with interlock ring 23 and to fix.The utility model of constructing thus as shown in Figure 7, when the lever drive worm screw is rotated, interlock changes around the axle center, via 3 pins with left and right sides moving plate coaxial rotation, the rotation angle location of interlock ring that is the rotation angle location of two moving plates also are not difficult to determine, rotate handle position or the angle display (figure slightly) that interrelates outside utilization of valve body equally, can reach the linearity control or the adjusting of flow with worm screw.The worm screw 24 of above-mentioned band handle can replace two rings among Fig. 3 and Fig. 6, makes more convenient operation.

The utility model had both had an above-mentioned stomidium and had flowed into, and the two ends orifice flow goes out in addition, and two on off states that flow out stomidiums can alternately take place, as above-mentioned fan shaped borehole be 3 uniform, central angle is 60 ° two-position three-way valve to the maximum; Then be that a stomidium flows out in contrast, the two ends orifice flow goes into to become three-way mixing valve in addition, and extensively is suitable for the temperature regulation of hot and cold water mixing or the mixing in proportion of two class different liquids.

The size of above-mentioned fan-shaped hole count or its central angle can be selected as required.About the hole count of fan shaped borehole central angle size and handle rotation angle and fan shaped borehole, and the relation between the station number of realization three-way valve is as follows:

ω=360°÷(A×M)

φ=ω * (M-1) is A wherein: the hole count of fan shaped borehole.

M: three-way valve station number.

ω: the center of circle angle of single fan shaped borehole.

φ: three-way valve handle maximum rotation angle.For example: 1. the fan-shaped hole count of two-bit triplet ceramics is 3, then: ω=360 ° ÷ (3 * 2)=60 °

φ=60°×(2-1)=60°

2. the fan-shaped hole count of 3-position-3-way valve ceramics is 3, then: ω=360 ° ÷ (3 * 3)=40 °

φ=40°×(3-1)=80°

3. the fan-shaped hole count of 3-position-3-way is 4, then: ω=360 ° ÷ (4 * 3)=30 °

φ=30°×(3-1)=60°

Can design multiple three-way valve according to above-mentioned formula,, be made as 40 °,, can realize 3-position-3-way valve or 3-position-3-way mixing valve just can increase the station of a complete shut-down as the central angle maximum of 3 fan shaped boreholes that above-mentioned ceramics is uniform as change embodiment.

In sum, the utility model has the advantages that obviously with the three-way valve of porcelain core as spool, its characteristics are not only wear-resistant, corrosion-resistant, the life-span is high, Flow-rate adjustment is accurate, and can form the multipurpose valve of two-position three way or 3-position-3-way.

Claims (3)

1. porcelain core three-way valve, it is by two groups of spools and is included in outer valve body (1), and corresponding Sealing and striking gear composition, it is characterized in that to be evenly equipped with the left stator (5) of the mutual applying of two or more fan-shaped pylones, left side moving plate (6), with left porcelain ring (7) and left outer washer (4), the lower-left end that the left spool M1 that left side inner washer (8) is formed is installed in main valve body (1) is referred to as in the cylindrical cavity of left valve barrel (2), the left ring (9) of one left pin (11) and left moving plate (6) commissure also is set, right spool M2 then is by right outer washer (12), right stator (13), right moving plate (14), right porcelain ring (15), right inner washer (16) constitutes, and be fixed in right valve barrel (3), the right pin (19) of one striking gear also is set, with right moving plate (14), the right ring (17) of commissure, an above-mentioned left side, right spool M1, M2 is installed in respectively in the inner chamber of the mutually perpendicular three way valve of axis (1), an above-mentioned left side, right valve barrel (2,3) all can be fastening by screw thread and main valve body (1).Orthogonal left ring of above-mentioned axis (9) and right ring (7) are provided with both intermeshing cone gear R, and realize the interlock of plane rotation by dialling handle.

2. three-way valve according to claim 1, it is characterized in that above-mentioned left spool M1 and right spool M2 also can be installed in the inner cavity chamber of three way valve of dead in line, the dead in line of left and right spool M1, M2, left and right moving plate (6,14) directly is embedded in the corresponding ring (9,17), rely on striking gear be by left ring (9) and right ring (17) in the equidirectional circular hole that stretches out on the tiller grip, a circular connecting rod of cross-under (20) is also with being connected and fixed as cotter pin (22) or bolt.

3. three-way valve according to claim 2, the left inner washer (8) that it is characterized in that the intermediate portion of above-mentioned two groups of spools, left side porcelain ring (7), the general arrangement structure of right inner washer (16) and right porcelain ring (15) can replace with an interlock ring (23), and with two blind holes of having of both sides, left moving plate (6) and right moving plate (14) that structure is identical with relative position connect together via three pins (25), the worm gear arrangement R of certain center of circle angle is arranged at the external cylindrical surface bottom of this interlock ring (23), realize interlock with an interlock ring (23) and with the worm screw (24) of its commissure, part except worm gear arrangement R, then have one or more through hole and will manage inside and outside the connection, the external cylindrical surface of interlock ring (23) and body cavity cylndrical surface concentric are slidingly matched, and cylindrical cavity edge has 3 through holes of circumference uniform distribution can insert 3 pins (25) in it, with a left side, right moving plate (6,14) the circular blind hole D on the plane that matches with interlock ring (23) matches and fixing the composition.

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