CN203963065U - A kind of three-way diverter valve - Google Patents
A kind of three-way diverter valve Download PDFInfo
- Publication number
- CN203963065U CN203963065U CN201420337721.7U CN201420337721U CN203963065U CN 203963065 U CN203963065 U CN 203963065U CN 201420337721 U CN201420337721 U CN 201420337721U CN 203963065 U CN203963065 U CN 203963065U
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- valve
- separate chamber
- chamber
- annular groove
- plate
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Abstract
A kind of three-way diverter valve, there is valve body, in valve body, be provided with three chambers, be respectively the first separate chamber, the second separate chamber and shared chamber, the first separate chamber and the second separate chamber top are respectively equipped with drive unit, the first separate chamber, between the second separate chamber and shared chamber, separate with dividing plate respectively, on dividing plate, be respectively equipped with valve seat, valve seat is flexibly connected with valve plate respectively, drive unit is connected with valve plate by valve rod, valve plate and valve seat cooperating, the diameter of the ball-type end of valve rod is less than the diameter in the grooved hole of valve rod, the ball-type end of valve rod is placed in the grooved hole of valve rod and connects by bearing pin, valve plate can be with respect to valve rod left and right, swing, move up and down, valve rod is difficult for when mobile stuck, sealing effect is better, the upper surface of valve seat is provided with the annular groove that cross section is isosceles trapezoid, in annular groove, be embedded with seal ring one, the minor face of seal ring one is greater than the width of rebate of annular groove, seal ring one is tightly stuck in annular groove, in the time that valve plate rises, seal ring one is difficult for coming off from annular groove.
Description
Technical field
The utility model relates to one and is applied to the device of realizing the frequent switching of air (or fuel gas) and flue gas on heat accumulating type Industrial Stoves in certain time interval, relates in particular to a kind of three-way diverter valve.
Background technique
At present, selector valve is extensively practical in heat accumulating type Industrial Stoves, realizes the commutation of flue gas and air (or gaseous fuel), and realize heat retainer the limit of fume afterheat is reclaimed, be one of key equipment in regenerative combustion system.The recuperative heater of China has developed for many years, the form difference of stove, and performance, the structural type of selector valve are varied, and in practical process, still there is many deficiencies in all kinds of selector valves.Such as bulky, commutation moment has collaborates etc., and at the three-way diverter valve described in patent 200820178181.7, the time opens and closes valve plate separately as required, or moment close simultaneously, avoided the shortcoming of collaborating and refluxing, in large-scale selector valve, its volume is little, lightweight.
But in production and application, there are too some problems according to this three-way diverter valve:
(1) seal ring easily comes off, and selector valve in use for some time, can, at valve plate and seal ring surface accumulation glue oil, make seal ring and valve plate bonding, when valve plate moves up, can be with dynamic seal ring together, comes off from valve seat.
(2) dividing plate between shared chamber and separate chamber and valve seat is poorly sealed, causes Leakage Gas.
(3) valve plate is fixedly connected with valve rod, valve plate in the time of press seal circle because of contact surface Geometrical change, valve plate and valve rod out of plumb, in moving process, there is stuck phenomenon in valve rod, meanwhile, contacting between valve plate and seal ring is not tight, leaks air etc.
Summary of the invention
The utility model provides a kind of three-way diverter valve, and object is to solve prior art problem, the three-way diverter valve that provides a kind of safe and convenient to use, leakproof, anti-seal circle to come off.
The utility model deal with problems adopt technological scheme be:
A kind of three-way diverter valve, there is valve body, in valve body, be provided with three chambers, be respectively the first separate chamber, the second separate chamber and shared chamber, the first separate chamber and the second separate chamber are positioned at side by side and share chamber top, the first separate chamber and the second separate chamber top are respectively equipped with drive unit, the first separate chamber, between the second separate chamber and shared chamber, separate with dividing plate respectively, on dividing plate, be respectively equipped with valve seat, in the first separate chamber and the second separate chamber, be respectively equipped with valve plate, drive unit is connected with valve plate by valve rod respectively, valve plate and valve seat cooperating, it is characterized in that: the connecting end of described valve rod and valve plate is ball-type end, the joint of valve plate and valve rod is provided with grooved hole, the diameter of the ball-type end of valve rod is less than the diameter in grooved hole, ball-type end is placed in grooved hole and by bearing pin and connects.
It is trapezoidal annular groove that the upper surface of described valve seat is provided with cross section, is embedded with seal ring one in annular groove, and the shape of sealing circle one and the shape of annular groove match, and the minor face of seal ring one is greater than the width of rebate of annular groove, and the height of seal ring one is greater than the height of annular groove.
The cross section of described annular groove is isosceles trapezoid.
On described the first separate chamber, the second separate chamber and shared chamber, be respectively equipped with window, window is provided with sealing plate, and sealing plate is fixedly connected with window.
Described sealing plate is bolted to connection with window.
The bottom surface that described valve seat is connected with dividing plate is provided with seal groove, is provided with seal ring two in seal groove.
Described seal groove is provided with two groups.
The beneficial effects of the utility model: valve plate is connected by bearing pin with valve rod, valve plate can be with respect to valve rod left and right, swing, move up and down, it is stuck that being dynamically connected is like this difficult for valve rod when mobile, makes sealing effect better, and valve seat is provided with the annular groove that cross section is isosceles trapezoid, in annular groove, be embedded seal ring one, the minor face of sealing circle one is slightly larger than the width of rebate of annular groove, is tightly stuck in annular groove, and in the time that valve plate rises, seal ring one is difficult for coming off from annular groove.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the linkage structure schematic diagram of the utility model valve rod and valve plate;
Fig. 3 is the linkage structure schematic diagram of the utility model valve plate and valve seat;
Fig. 4 is the structural representation of the utility model valve seat; .
In figure: 1, valve body; 2, the first separate chamber; 3, the second separate chamber; 4, share chamber; 5, drive unit; 6, dividing plate; 7, valve seat; 8, valve plate; 9, valve rod; 10, ball-type end; 11, grooved hole; 12, bearing pin; 13, annular groove; 14, seal ring one; 15, window; 16, window; 17, window; 18, sealing plate; 19, sealing plate; 20, sealing plate; 21, seal groove; 22, seal groove; 23, seal ring two; 24, seal ring two.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, a kind of three-way diverter valve shown in Fig. 4, there is valve body 1, in valve body 1, be provided with three chambers, be respectively the first separate chamber 2, the second separate chamber 3 and shared chamber 4, the first separate chamber 2 and the second separate chamber 3 are positioned at side by side and share chamber 4 tops, the first separate chamber 2 and the second separate chamber 3 tops are respectively equipped with drive unit 5, the first separate chamber 2, between the second separate chamber 3 and shared chamber 4, separate with dividing plate 6 respectively, on dividing plate 6, be respectively equipped with valve seat 7, in the first separate chamber 2 and the second separate chamber 3, be respectively equipped with valve plate 8, drive unit 5 is connected with valve plate 8 by valve rod 9 respectively, valve plate 8 and valve seat 7 cooperatings, described valve rod 9 is ball-type end 10 with the connecting end of valve plate 8, valve plate 8 is provided with grooved hole 11 with the joint of valve rod 9, the diameter of the ball-type end 10 of valve rod 9 is less than the diameter in grooved hole 11, ball-type end 10 is placed in grooved hole 11 and connects by bearing pin 12, valve plate 8 can be with respect to valve rod 9 left and right, swing, move up and down, it is stuck that being dynamically connected is like this difficult for valve rod 9 when mobile, make sealing effect better.
It is trapezoidal annular groove 13 that the upper surface of described valve seat 7 is provided with cross section, the cross section of described annular groove 13 is isosceles trapezoid, in annular groove 13, be embedded with seal ring 1, the shape of the shape of sealing circle 1 and annular groove 13 matches, the minor face of seal ring 1 is greater than the width of rebate of annular groove 13, seal ring 1 is tightly stuck in annular groove 13, and in the time that valve plate 8 rises, seal ring 1 is difficult for coming off in annular groove 13, and the height of seal ring 1 is greater than the height of annular groove 13.
On described the first separate chamber 2, the second separate chamber 3 and shared chamber 4, be respectively equipped with window 15, window 16, window 17, on window 15, window 16, window 17, be respectively equipped with sealing plate 18, sealing plate 19, sealing plate 20, sealing plate 18, sealing plate 19, sealing plate 20 are bolted to connection with window 15, window 16, window 17 respectively.
The bottom surface that described valve seat 7 is connected with dividing plate 6 is provided with seal groove 21, seal groove 22, is respectively equipped with seal ring 2 23, seal ring 2 24 in seal groove 21, seal groove 22.
Valve body of the present utility model is made up of the first separate chamber 2, the second separate chamber 3 and shared chamber 4, the first separate chamber 2, the second separate chamber 3 are side by side in sharing the top of chamber 4, the first separate chamber 2, the second separate chamber 3 and shared chamber 4 are respectively arranged with window 15, window 16, window 17, the sealing of window 15, window 16, window 17 is bolted to connection by the sealing plate 18 coordinating with it, sealing plate 19, sealing plate 20, can be made the assembling of three-way diverter valve and be overhauled convenient a lot by window 15, window 16, window 17.
The first separate chamber 2, the below of the top of the second separate chamber 3 and shared chamber 4 is provided with cylindrical neck road and flange communicates with extraneous pipeline, the first separate chamber 2, the top of the second separate chamber 3 is also provided with respectively drive unit 5, by stent support, drive unit 5 is connected with valve rod 9 use flange arrangements, valve rod 9 is connected by bearing pin 12 with valve plate 8, described valve rod 9 is ball-type end 10 with the connecting end of valve plate 8, valve plate 8 is provided with grooved hole 11 with the joint of valve rod 9, the diameter of the ball-type end 10 of valve rod 9 is less than the diameter in grooved hole 11, ball-type end 10 is placed in grooved hole 11 and connects by bearing pin 12, such design can make valve plate 8 move with respect to valve rod 9, rotate, valve rod 9 is changed into and is dynamically connected with being fixedly connected with of valve plate 8, avoid valve rod 9 to occur stuck phenomenon in the moving process of load or unload, simultaneously, also can allow valve plate 8 more tight with contacting of seal ring 1, valve plate 8 can be with respect to valve rod 9 left and right, swing, move up and down, make sealing effect better.
The first separate chamber 2, between the second separate chamber 3 and shared chamber 4, separate with dividing plate 6 respectively, on dividing plate 6, be respectively equipped with valve seat 7, between valve seat 7 and dividing plate 6, be provided with seal ring 2 23, seal ring 2 24 seals by bolt, be fixedly connected with, the upper surface of valve seat 7 is provided with the annular groove 13 that cross section is isosceles trapezoid, in annular groove 13, be embedded with seal ring 1, the shape of the shape of sealing circle 1 and annular groove 13 matches, the minor face of seal ring 1 is greater than the width of rebate of annular groove 13, the bond length of seal ring 1 is in the annular groove 13 upper base length of isosceles trapezoid and go to the bottom between length, seal ring 1 is tightly stuck in annular groove 13, in the time that valve plate 8 rises, seal ring 1 is difficult for coming off in annular groove 13, the height of seal ring 1 is greater than the height of annular groove 13
In use, first the cylinder pressurized air on the second separate chamber 3 tops enters from the upper inlet of cylinder, cylinder column stretches out, drive the valve plate 8 of the second separate chamber 3 to drop to the seal ring 1 that compresses the second separate chamber 3 by the valve rod 9 of the second separate chamber 3, the second separate chamber 3 and the sealed partition of shared chamber 4, then, the cylinder pressurized air on the first separate chamber 2 tops enters from the lower inlet of cylinder, cylinder column is regained, drive the valve plate 8 of the first separate chamber 2 to rise to highest point by the valve rod 9 of the first separate chamber 2, the first separate chamber 2 is connected with shared chamber 4, same, first the first separate chamber 2 is sealed to partition with shared chamber 4, be communicated with again the second separate chamber 3 and shared chamber 4, these two processes commutation object that realizes air (or fuel gas) and flue gas repeatedly.
Claims (7)
1. a three-way diverter valve, there is valve body, in valve body, be provided with three chambers, be respectively the first separate chamber, the second separate chamber and shared chamber, the first separate chamber and the second separate chamber are positioned at side by side and share chamber top, the first separate chamber and the second separate chamber top are respectively equipped with drive unit, the first separate chamber, between the second separate chamber and shared chamber, separate with dividing plate respectively, on dividing plate, be respectively equipped with valve seat, in the first separate chamber and the second separate chamber, be respectively equipped with valve plate, drive unit is connected with valve plate by valve rod respectively, valve plate and valve seat cooperating, it is characterized in that: the connecting end of described valve rod and valve plate is ball-type end, the joint of valve plate and valve rod is provided with grooved hole, the diameter of the ball-type end of valve rod is less than the diameter in grooved hole, ball-type end is placed in grooved hole and by bearing pin and connects.
2. a kind of three-way diverter valve as claimed in claim 1, it is characterized in that: it is trapezoidal annular groove that the upper surface of described valve seat is provided with cross section, in annular groove, be embedded with seal ring one, the shape of sealing circle one and the shape of annular groove match, the minor face of seal ring one is greater than the width of rebate of annular groove, and the height of seal ring one is greater than the height of annular groove.
3. a kind of three-way diverter valve as claimed in claim 2, is characterized in that: the cross section of described annular groove is isosceles trapezoid.
4. a kind of three-way diverter valve as claimed in claim 1, is characterized in that: on described the first separate chamber, the second separate chamber and shared chamber, be respectively equipped with window, window is provided with sealing plate, and sealing plate is fixedly connected with window.
5. a kind of three-way diverter valve as claimed in claim 4, is characterized in that: described sealing plate is bolted to connection with window.
6. a kind of three-way diverter valve as claimed in claim 1, is characterized in that: the bottom surface that described valve seat is connected with dividing plate is provided with seal groove, is provided with seal ring two in seal groove.
7. a kind of three-way diverter valve as claimed in claim 6, is characterized in that: described seal groove is provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337721.7U CN203963065U (en) | 2014-06-23 | 2014-06-23 | A kind of three-way diverter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337721.7U CN203963065U (en) | 2014-06-23 | 2014-06-23 | A kind of three-way diverter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963065U true CN203963065U (en) | 2014-11-26 |
Family
ID=51923648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420337721.7U Expired - Fee Related CN203963065U (en) | 2014-06-23 | 2014-06-23 | A kind of three-way diverter valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN203963065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798265A (en) * | 2016-05-12 | 2016-07-27 | 科华控股股份有限公司 | Sealing structure for vacuum suction casting sealing cover |
-
2014
- 2014-06-23 CN CN201420337721.7U patent/CN203963065U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798265A (en) * | 2016-05-12 | 2016-07-27 | 科华控股股份有限公司 | Sealing structure for vacuum suction casting sealing cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20190623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |