CN203784362U - Three-way valve used for confluence and diffluence - Google Patents
Three-way valve used for confluence and diffluence Download PDFInfo
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- CN203784362U CN203784362U CN201320889675.7U CN201320889675U CN203784362U CN 203784362 U CN203784362 U CN 203784362U CN 201320889675 U CN201320889675 U CN 201320889675U CN 203784362 U CN203784362 U CN 203784362U
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Abstract
The utility model provides a three-way valve used for confluence and diffluence. The three-way valve used for confluence and diffluence comprises a valve cover and a valve body, wherein a first port used for being communicated with a valve cavity of the three-way valve is formed in the bottom of the valve cover, the valve body is connected with the valve cover in a sealed mode and arranged above the valve cover, and a second port and a third port communicated with the valve cavity are formed in the left side and the right side of the valve body respectively. The three-way valve used for confluence and diffluence further comprises a valve element assembly, a valve seat assembly and a valve rod assembly, wherein the valve element assembly is fixedly connected with the valve cover, the valve seat assembly is arranged in the valve cavity and can be matched with the valve element assembly, the valve rod assembly is connected with the valve seat assembly and drives the valve seat assembly to move vertically in the valve cavity, and therefore flow change, opening and closing of the three-way valve are achieved.
Description
Technical field
The utility model relates to district heating, petrochemical industry, water treatment industry, metallurgical industry, relates in particular to for the realization interflow of above-mentioned application and the three-way valve of shunting.
Background technique
Current, three-way valve of the prior art is all realized the function of interflow and shunting by changing the inner member of valve.The inner member of change valve normally bothers very much, and this is unfavorable for that client uses described valve.
In addition, existing three-way valve adopts many drive units, has reduced thus driving force.In order to meet the demand of high current resistance, conventionally need to increase driving force.Increase the parameter that driving force has caused increasing Vidacare corp, finally cause and on market, lose competitive ability.
In addition,, also by increasing the volume of three-way valve, realize and increase the mobile space of lower valve core etc. to avoid medium directly to impact spool or to reduce the object of driving force.But owing to having taken a lot of spaces, bring inconvenience like this in installing and using.
In view of this, truly have a kind of new three-way valve that can address the above problem at least in part need to be provided.
Model utility content
The purpose of this utility model is intended to solve at least one aspect of the above-mentioned problems in the prior art and defect.
One of the purpose of this utility model is to provide a kind of three-way valve, and it can, in the situation that not needing to change any parts, realize the function of interflow and shunting.
One of the purpose of this utility model is to provide a kind of three-way valve, and it can reduce flow resistance.
An also object of the present utility model is to provide a kind of three-way valve, and it is of compact construction, and has saved installing space.
In aspect one of the present utility model, provide a kind of three-way valve for collaborating and shunting, it comprises:
Valve gap, the bottom of described valve gap is provided with the first port being communicated with the valve pocket of three-way valve;
Valve body, described valve body is connected with valve bonnet seal and is arranged on described valve gap top, and the left and right sides of described valve body is provided with the second port and the 3rd port that are communicated with valve pocket.Described three-way valve also comprises:
Mangetic core assembly, described mangetic core assembly is fixedly connected on valve gap;
Valve component, described valve component is arranged in valve pocket and can coordinates with mangetic core assembly;
Valve rod assembly, described valve rod assembly is connected with valve component, and drives valve component to move up and down in described valve pocket, thereby realizes changes in flow rate and the switching of three-way valve.
Particularly, described mangetic core assembly comprises the spool link of upper valve core, lower valve core and connection upper valve core and lower valve core.
Particularly, also comprise strut, one end of described strut is connected with the annular boss arranging in described lower valve core center, and the other end is fixedly connected on the supporting element of valve gap.
Particularly, described annular boss is provided with internal thread to be connected with the threaded one end of strut, and the other end of strut is fixed on the supporting rib of valve gap, and described supporting rib is provided with the fan-shaped runner mouth passing for medium.
Particularly, described valve component comprises by the interconnective upper valve base of connecting rod and lower valve base, and they lay respectively at the above and below of mangetic core assembly.
Particularly, described connecting rod is connected by screw-thread fit with lower valve base, and described connecting rod and upper valve base are fastening by locking nut.
Particularly, the outer surface of connecting rod inner side contacts with the outer rim of described spool link.
Particularly, the excircle of described spool link is provided with the semi-circular hole coordinating with the internal surface of connecting rod.
Particularly, the quantity of described connecting rod and described semi-circular hole is all 6.
Particularly, described upper valve base is connected with the valve rod in valve rod assembly by connecting plate, and the employing of the sealing surface of connecting plate and upper valve base seals without asbestos washer.
Particularly, be provided with the fan-shaped runner mouth passing for medium on described connecting plate, the center of connecting plate is provided with through hole, and described valve rod is through fastening by the screw-thread fit on the end of nut and valve rod after described through hole.
Particularly, the two ends of described spool link are all provided with groove, in described groove, be provided with seal ring, upper valve core, lower valve core are threaded with spool link respectively and the interior ring of press seal circle, and the outer shroud of seal ring exposes, move to corresponding the first port of hermetically closing or the second port while engaging with the outer shroud extruding of seal ring at upper valve base or lower valve base.
Particularly, described seal ring is O RunddichtringO or X-shaped sealing ring.
Particularly, the dividing plate of described valve component and the inwall of described valve gap seal with an O RunddichtringO.
Particularly, the joint of described dividing plate and described inwall is provided with guiding groove, in described guiding groove, guide collar is installed.
Particularly, at the top end of valve rod, between described valve body and described valve rod, be disposed with the stuffing box and the embedded piece that are threaded.
Particularly, the sealing surface of described stuffing box and described embedded piece is provided with the 2nd O RunddichtringO, is provided with copper backing in embedded piece.
Particularly, the external frame of described upper valve core is constructed so that the flow curve of the second port is logarithmic curve, and/or the external frame of described lower valve core is constructed so that the flow curve of the first port is linearity curve.
By above-mentioned known, three-way valve provided by the utility model has at least been realized following useful technique effect: (1) independent valve can be realized the function of interflow and shunting in the situation that not needing to change any parts; (2) client's installation and use are simpler, have saved installing space; (3) structural design is simple, low cost of manufacture.
Brief description of the drawings
These and/or other aspect of the present utility model and advantage are understood below in conjunction with becoming in accompanying drawing description of preferred embodiments obviously and easily, wherein:
Fig. 1 is the sectional view for the three-way valve that collaborates and shunt according to an embodiment of the present utility model;
Fig. 2 is the enlarged diagram of an example of the mangetic core assembly shown in Fig. 1;
Fig. 3 is the enlarged diagram of another example of the mangetic core assembly shown in Fig. 1;
Fig. 4 is the plan view of the spool link in the mangetic core assembly shown in Fig. 1.
Embodiment
Below by embodiment, and 1-4 by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Followingly with reference to accompanying drawing, the explanation of the utility model mode of execution is intended to present general inventive concept of the present utility model to make an explanation, and does not should be understood to a kind of restriction of the present utility model.
As shown in Figure 1, the three-way valve for collaborating and shunt that an embodiment of the present utility model provides comprises from bottom to up successively with lower component: valve gap 10, valve body 120 and valve rod assembly.In the valve pocket 150 of three-way valve, be disposed with from bottom to up strut 20, valve component 50 and 80 and mangetic core assembly 70.The bottom of valve gap 10 is provided with the port B being communicated with the valve pocket 150 of three-way valve.Valve body 120 extends along the left and right directions of the page shown in Fig. 1.Valve body 120 is tightly connected and is arranged on valve gap 10 with valve gap 10.As shown in the figure, the left and right sides of valve body 120 is respectively arranged with the port AB and the port A that are communicated with valve pocket 150.Mangetic core assembly 70 is fixedly connected on valve gap 10.Valve component 50 is connected with one end of valve rod assembly with 80, and the drive by valve rod assembly moves up and down in valve pocket 150, thereby has realized and the engaging or disconnect joint of mangetic core assembly, has finally realized changes in flow rate and the switching of three-way valve.
When medium is when port A and port B flow into three-way valve, as shown in Figure 1, now port A has reached peak rate of flow, and port B is closed condition, and after valve pocket 150, medium flows out from port AB.In the time that valve component 50 and 80 moves down, port B opens gradually, and port A closes gradually, and this process has just realized the effect that medium mixes or collaborates.When medium is when port AB flow into three-way valve, as shown in Figure 1, now, port A is in peak rate of flow, and port B is in closed condition.In the time that valve component 50 and 80 moves down, port B opens gradually, and port A closes gradually.In the time that valve component 50 and 80 has moved down range, port A closes, and the flow of port B is maximum value.In this process, three-way valve has been realized the effect that medium separates or shunts.
As shown in Figures 2 and 3, mangetic core assembly 70 comprises upper valve core 71, lower valve core 72 and is connected upper valve core 71 and the spool link 73 of lower valve core 72.One end of strut 20 is connected with the pilot hole 75 that center at lower valve core 72 arranges, and this pilot hole 75 is interior arranges stepped part to coordinate with the protrusion of the upper end of strut 72.The requirement that visible pilot hole 75 can make lower valve core 72, strut 20 and valve gap 10 keep coaxality.The other end is fixedly connected on the supporting element such as supporting rib 76 of valve gap 10.Pilot hole 75 is provided with internal thread to be connected with the threaded one end of strut 20, and the other end of strut 20 is fixed on the supporting rib 76 of valve gap 10, and supporting rib 76 is provided with the fan-shaped runner mouth (not shown) passing for medium.In one embodiment, three supporting ribs 76 can be set, correspondingly form three fan-shaped runner mouths.
Certainly, it is above-mentioned that mangetic core assembly 70 and the mode that is fixedly connected with of valve gap 10 are not limited to, and those skilled in the art can specifically arrange as required.
Referring to Fig. 2 and 3, the two ends up and down of spool link 73 are provided with groove (not shown).In this groove, be provided with seal ring 60.Upper valve core 71 and lower valve core 72 can be threaded with spool link 73 respectively and the interior ring of press seal circle 60, and the outer shroud of seal ring 60 exposes.Move to while engaging with the outer shroud extruding of seal ring 60 the corresponding port A of hermetically closing or port B at upper valve base 80 or lower valve base 50.Particularly, figure 2 illustrates the partial enlarged view of analysing and observe of seal ring 60 being arranged to X-shaped sealing ring.Figure 3 illustrates the partial enlarged view of analysing and observe of seal ring 60 being arranged to O RunddichtringO.Certainly, those skilled in the art can also select the seal ring of other types according to actual needs.
Referring to Fig. 1, valve component comprises by the interconnective upper valve base 80 of connecting rod 90 and lower valve base 50, and they lay respectively at the above and below of upper valve core 71 and the lower valve core 72 of mangetic core assembly.Be appreciated that in the time that upper valve base 80 engages with upper valve core 71, can close port A; In like manner in the time that lower valve base 50 engages with lower valve core 72, can close port B.Particularly, the outer surface of connecting rod 90 inner side contacts with the outer rim of spool link 73.Preferably, on the cylindrical of spool link 73 or excircle, be provided with the semi-circular hole that multiple (for example 6) coordinate with connecting rod 90.As shown in Figure 4,6 semi-circular hole 74 are equally spaced set on the cylindrical of spool link 73, to hold the part of internal surface for connecting rod 90.Can understand, deposit at such cloth, in the time that mangetic core assembly 70 is impacted by medium, it can prevent that mangetic core assembly 70 from shaking significantly effectively.
Particularly, as shown in Figure 1, in order to ensure the position degree requirement of for example 6 connecting rods, make the overall assembly precision of valve component 50 and 80 better, the lower end of connecting rod 90 coordinates with the pilot hole 52 in valve seat 50.In this pilot hole 52, be provided with stepped part, and be connected with the lower end of connecting rod 90 by screw thread.
Valve rod assembly comprises valve rod 110, stuffing box 140 and embedded piece 130.Upper valve base 80 is connected with valve rod 110 by connecting plate 100, and the sealing surface of connecting plate 100 and upper valve base 80 adopts and seals without asbestos washer.On connecting plate 100, be provided with the multiple fan-shaped runner mouth (for example three) passing for medium.The center of connecting plate 100 is provided with through hole, and valve rod 110 is through fastening by the screw-thread fit on the end of nut and valve rod 110 after through hole.
At the top end of valve rod 110, between valve body 120 and valve rod 110, be disposed with from top to bottom the stuffing box 140 and embedded piece 130 that are threaded connection.Stuffing box 140 is provided with O RunddichtringO with the sealing surface of embedded piece 130.In embedded piece 130, be provided with copper backing, they can prevent the loosening of in the time that valve shakes stuffing box 140.
Between the inwall of the dividing plate of valve body 120 and valve gap 10, adopt O type 30 to seal.Better tightness like this.Guiding groove 11 is arranged on the joint of dividing plate and inwall, and guide collar 40 is wherein installed.It has good guiding and lubricated effect, and lower valve base 72 can vertically be moved up and down.
In order to realize the object of interflow and shunting, the external frame of upper valve core 71 is configured so that the flow curve of port A is logarithmic curve, and the external frame of lower valve core 72 is configured so that the flow curve of port B is linearity curve.Be appreciated that above-mentioned setting is only an example of the present utility model, can also otherwise configure the external frame of lower valve core.
The three-way valve of the prior art mentioned with respect to the utility model background technique, three-way valve of the present utility model at least possesses one or more in following advantage:
1) three-way valve of the present utility model can for the mixing of medium with separate.It is the mounting type that mixing entrance or port AB are separate inlet opening that user can select port A and B as required.
2) valve body of three-way valve of the present utility model adopts the valve body of the two-way valve of prior art, so the replaceability of valve body is better.
3), no matter be separation or the mixing for medium, the designed three-way valve of the utility model has reduced substantially the impact of medium to valve rod structure, thereby has reduced needed driving force.For example, in the time that liquid medium enters valve body from port AB, valve rod and valve seat are not directly impacted by medium.Therefore needed driving force is less, and drive unit cost is lower.In addition, because mangetic core assembly is fixedly connected with valve gap, so medium is very little to the shock effect of spool.
4) three-way valve of the prior art, in when shunting, in order to prevent that medium from directly impacting or colliding spool, and then impacts valve rod, conventionally lower valve core is arranged to the port B near three-way valve more (port) below.This just needs port B to have large space to hold the movement of spool.Compare, be not to be connected with valve rod because of mangetic core assembly in the utility model, so medium can not cause the driving force of valve rod to increase to the impact of spool.The mobile space of valve seat has utilized the space of body cavity fully.So the overall dimensions of three-way valve is less, has saved installing space.
These are only embodiments more of the present utility model, those skilled in the art will appreciate that, in the case of the principle and spirit that do not deviate from this present general inventive concept, can make a change these embodiments, scope of the present utility model limits with claim and their equivalent.
Claims (18)
1. the three-way valve for collaborating and shunting, it comprises:
Valve gap, the bottom of described valve gap is provided with the first port being communicated with the valve pocket of three-way valve;
Valve body, described valve body is connected with valve bonnet seal and is arranged on described valve gap top, and the left and right sides of described valve body is provided with the second port and the 3rd port that are communicated with valve pocket;
It is characterized in that, described three-way valve also comprises:
Mangetic core assembly, described mangetic core assembly is fixedly connected on valve gap;
Valve component, described valve component is arranged in valve pocket and can coordinates with mangetic core assembly;
Valve rod assembly, described valve rod assembly is connected with valve component, and drives valve component to move up and down in described valve pocket, thereby realizes changes in flow rate and the switching of three-way valve.
2. three-way valve according to claim 1, is characterized in that,
Described mangetic core assembly comprises the spool link of upper valve core, lower valve core and connection upper valve core and lower valve core.
3. three-way valve according to claim 2, is characterized in that,
Also comprise strut, one end of described strut is connected with the annular boss arranging in described lower valve core center, and the other end is fixedly connected on the supporting element of valve gap.
4. three-way valve according to claim 3, is characterized in that,
Described annular boss is provided with internal thread to be connected with the threaded one end of strut, and the other end of strut is fixed on the supporting rib of valve gap, and described supporting rib is provided with the fan-shaped runner mouth passing for medium.
5. according to the three-way valve described in any one in claim 1-4, it is characterized in that,
Described valve component comprises by the interconnective upper valve base of connecting rod and lower valve base, and they lay respectively at the above and below of mangetic core assembly.
6. three-way valve according to claim 5, is characterized in that,
Described connecting rod is connected by screw-thread fit with lower valve base, and described connecting rod and upper valve base are fastening by locking nut.
7. three-way valve according to claim 6, is characterized in that,
The outer surface inner side of connecting rod contacts with the outer rim of described spool link.
8. three-way valve according to claim 7, is characterized in that,
The excircle of described spool link is provided with the semi-circular hole coordinating with the internal surface of connecting rod.
9. three-way valve according to claim 8, is characterized in that,
The quantity of described connecting rod and described semi-circular hole is all 6.
10. three-way valve according to claim 5, is characterized in that,
Described upper valve base is connected with the valve rod in valve rod assembly by connecting plate, and the employing of the sealing surface of connecting plate and upper valve base seals without asbestos washer.
11. three-way valve according to claim 10, is characterized in that,
On described connecting plate, be provided with the fan-shaped runner mouth passing for medium, the center of connecting plate is provided with through hole, and described valve rod is through fastening by the screw-thread fit on the end of nut and valve rod after described through hole.
12. three-way valve according to claim 2, is characterized in that,
The two ends of described spool link are all provided with groove, in described groove, be provided with seal ring, upper valve core, lower valve core are threaded with spool link respectively and the interior ring of press seal circle, and the outer shroud of seal ring exposes, move to corresponding the first port of hermetically closing or the second port while engaging with the outer shroud extruding of seal ring at upper valve base or lower valve base.
13. three-way valve according to claim 12, is characterized in that,
Described seal ring is O RunddichtringO or X-shaped sealing ring.
14. according to the three-way valve described in any one in claim 1-4, it is characterized in that,
The dividing plate of described valve component and the inwall of described valve gap seal with an O RunddichtringO.
15. three-way valve according to claim 14, is characterized in that,
The joint of described dividing plate and described inwall is provided with guiding groove, in described guiding groove, guide collar is installed.
16. three-way valve according to claim 15, is characterized in that,
At the top end of valve rod, between described valve body and described valve rod, be disposed with the stuffing box and the embedded piece that are threaded.
17. three-way valve according to claim 16, is characterized in that,
The sealing surface of described stuffing box and described embedded piece is provided with the 2nd O RunddichtringO, is provided with copper backing in embedded piece.
18. according to the three-way valve described in any one in claim 2-4, it is characterized in that,
The external frame of described upper valve core is constructed so that the flow curve of the second port is logarithmic curve, and/or the external frame of described lower valve core is constructed so that the flow curve of the first port is linearity curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889675.7U CN203784362U (en) | 2013-12-31 | 2013-12-31 | Three-way valve used for confluence and diffluence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889675.7U CN203784362U (en) | 2013-12-31 | 2013-12-31 | Three-way valve used for confluence and diffluence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784362U true CN203784362U (en) | 2014-08-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889675.7U Withdrawn - After Issue CN203784362U (en) | 2013-12-31 | 2013-12-31 | Three-way valve used for confluence and diffluence |
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| Country | Link |
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| CN (1) | CN203784362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775679A (en) * | 2013-12-31 | 2014-05-07 | 丹佛斯公司 | Three-way valve for converging and dividing flow |
-
2013
- 2013-12-31 CN CN201320889675.7U patent/CN203784362U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775679A (en) * | 2013-12-31 | 2014-05-07 | 丹佛斯公司 | Three-way valve for converging and dividing flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20161026 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |