CN205654885U - Three pole valves - Google Patents
Three pole valves Download PDFInfo
- Publication number
- CN205654885U CN205654885U CN201620336543.5U CN201620336543U CN205654885U CN 205654885 U CN205654885 U CN 205654885U CN 201620336543 U CN201620336543 U CN 201620336543U CN 205654885 U CN205654885 U CN 205654885U
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- CN
- China
- Prior art keywords
- valve
- connecting portion
- connecting rod
- valve plate
- power transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a three pole valves, including valve body, valve rod, disk seat and valve plate, the disk seat sets up in the valve body, and link mechanism swing joint is passed through with the valve body inner wall in the upper end of valve rod, lower extreme and valve plate fixed connection, and the valve plate is installed on the disk seat, the valve plate comprises dull and stereotyped arc with setting up at dull and stereotyped middle part, and the bellying of arc is towards the outside, be equipped with sealing device on the disk seat, sealing device directly forms the annular with the valve body inner wall, and it is protruding to be equipped with the annular that suits with the annular under the valve plate on the terminal surface, and the annular is protruding to be set up on the flat board. The utility model has the characteristics of simple structure, long service life etc.
Description
Technical field
This utility model relates to valve technology field, particularly to a kind of three stem valves.
Background technology
Butterfly valve is that unidirectional joint breaks various gas, the ideal equipment of liquid medium pipeline, and it is widely used in supplying
Water, draining waterpower facility system, in the tubing of the industrial department etc. such as ventilation, metallurgy, chemical industry, electric power,
Prevent fluid media (medium) adverse current, other equipment in protective conduit.In prior art, butterfly valve is special due to structure
The restriction levied, therefore operate inconvenience, and translates Open valve by butterfly plate, easily makes butterfly plate
And produce friction between sealing surface of seat, greatly reduce the service life of valve.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of simple in construction, service life length three
Stem valve.
Realize the technical solution of the utility model as follows:
A kind of three stem valves, including valve body, valve rod, valve seat and valve plate, described valve seat is arranged in valve body, valve
The upper end of bar is flexibly connected by linkage with valve interior wall, and lower end is fixing with valve plate to be connected, and valve plate is installed
On valve seat, described valve plate is by flat board and is arranged on the arc in the middle part of flat board and constitutes, the lobe of arc
Towards outside, described valve seat is provided with sealing device, and sealing device and valve interior wall directly form annular groove, valve
Plate lower surface is provided with the annular protrusion adapted with annular groove, and annular protrusion is arranged on flat board.
Have employed above-mentioned scheme, realize opening and closing valve plate, simple in construction user by linkage
Just；And valve plate design becomes flat board and arc plate structure, on the one hand flat board is easy to connect with valve base sealing, it is ensured that
Sealing during valve closing, another facilitates the setting of arc can to increase the structural strength of valve plate itself,
Stress surface is big, it is possible to reduces its external force received, thus is envious of its service life, valve plate can also be made to turn simultaneously
During Dong the most laborsaving, convenient to operation；After valve plate cover is on valve seat, annular protrusion is positioned at annular groove
In and with sealing device fitted seal, cut off medium circulation, it is possible to be effectively prevented medium residue in valve plate with
Between valve seat, so can not only play good sealing function, moreover it is possible to reduce valve plate and the friction of valve seat,
Effectively extend its service life.
Described linkage includes rotating shaft, the first power transmission shaft, second driving shaft, the 3rd power transmission shaft, the first company
Bar, second connecting rod and third connecting rod, rotating shaft is fixedly connected with the valve body, and one end of first connecting rod is connected to valve body
On inwall, middle part is set in rotating shaft, and the other end is connected by the first power transmission shaft with one end of second connecting rod,
The other end of the second connecting rod is set on second driving shaft, and one end of third connecting rod is set in rotating shaft, separately
One end is set on the 3rd power transmission shaft, and described third connecting rod is positioned at the inner side of first connecting rod, second driving shaft and
3rd power transmission shaft is connected on valve rod, and the 3rd power transmission shaft is positioned at the lower section of second driving shaft, and advantage is by even
Bar and power transmission shaft coordinate makes valve plate upset realize valve opening and closing, and simple in construction is firm, is hardly damaged,
Easy to operate, service life is long.
Described sealing device is radiation fins, and radiation fins includes connecting portion, middle connecting portion and lower connecting portion, under
Connecting portion is fixed on valve seat, and upper connecting portion is corresponding with valve plate, and the width of middle connecting portion is more than upper connecting portion
Width, the width of upper connecting portion is consistent with the width of lower connecting portion, and advantage is that radiation fins has telescopicing performance,
It is not take up space, when connecting valve plate with valve seat, not only there is sealing property, moreover it is possible to prevent it from producing friction,
Its service life is substantially improved.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of sealing device；
In accompanying drawing, 1 is valve body, and 2 is valve rod, and 3 is valve seat, and 4 is valve plate, and 5 is sealing device, and 6 is ring
Groove, 7 is annular protrusion, and 8 is first connecting rod, and 9 is third connecting rod, and 10 is second connecting rod, and 11 is rotating shaft,
12 is the first power transmission shaft, and 13 is second driving shaft, and 14 is the 3rd power transmission shaft, and 51 is upper connecting portion, and 52 are
Middle connecting portion, 53 is lower connecting portion.
Detailed description of the invention
With specific embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Such as Fig. 1 to Fig. 3, a kind of three stem valves, including valve body 1, valve rod 2, valve seat 3 and valve plate 4, described
Valve seat 3 is arranged in valve body 1, and the upper end of valve rod 2 is flexibly connected by linkage with valve body 1 inwall,
Lower end is fixing with valve plate 4 to be connected, and valve plate 4 is arranged on valve seat 3, and described valve plate 4 is by flat board 41 and arranges
Arc 42 in the middle part of flat board 41 is constituted, and the lobe of arc 42 is towards outside, on described valve seat 3
Being provided with sealing device 5, sealing device 5 and valve body 1 inwall directly form annular groove 6, and valve plate 4 sets on lower surface
Having the annular protrusion 7 adapted with annular groove 6, annular protrusion 7 is arranged on flat board 41.
Linkage include rotating shaft the 11, first power transmission shaft 12, second driving shaft the 13, the 3rd power transmission shaft 14,
First connecting rod 8, second connecting rod 10 and third connecting rod 9, rotating shaft 11 is fixing with valve body 1 to be connected, first connecting rod
One end of 8 is connected on valve body 1 inwall, and middle part is set in rotating shaft 11, the other end and second connecting rod 10
One end is connected by the first power transmission shaft 12, and the other end of the second connecting rod 10 is set on second driving shaft 13,
One end of third connecting rod 9 is set in rotating shaft 11, and the other end is set on the 3rd power transmission shaft 14, and described
Three connecting rods 9 are positioned at the inner side of the one 8 connecting rod, and second driving shaft 13 and the 3rd power transmission shaft 14 are connected to valve rod 2
On, the 3rd power transmission shaft 14 is positioned at the lower section of second driving shaft 13, and advantage is to be coordinated by connecting rod and power transmission shaft
Making valve plate upset realize valve opening and closing, simple in construction is firm, is hardly damaged, easy to operate, uses
Life-span is long.
Sealing device 5 is radiation fins, and radiation fins includes connecting portion 51, middle connecting portion 52 and lower connecting portion
53, lower connecting portion is fixed on valve seat, and upper connecting portion is corresponding with valve plate, and the width of middle connecting portion is more than upper company
Connecing the width in portion, the width of upper connecting portion is consistent with the width of lower connecting portion, and it is flexible that advantage is that radiation fins has
Performance, is not take up space, not only has sealing property when connecting valve plate with valve seat, moreover it is possible to prevent it from producing
Friction, was substantially improved for its service life.
Claims (3)
1. three stem valve, including valve body, valve rod, valve seat and valve plate, it is characterised in that: described valve seat
Being arranged in valve body, the upper end of valve rod is flexibly connected by linkage with valve interior wall, lower end and valve plate
Fixing connection, valve plate is arranged on valve seat, and described valve plate is by flat board and is arranged on the arc in the middle part of flat board
Constituting, the lobe of arc is towards outside, and described valve seat is provided with sealing device, sealing device and valve
Internal wall directly forms annular groove, and valve plate lower surface is provided with the annular protrusion adapted with annular groove, convex annular
Rise and be arranged on flat board.
A kind of three stem valves the most according to claim 1, it is characterised in that: described linkage includes
Rotating shaft, the first power transmission shaft, second driving shaft, the 3rd power transmission shaft, first connecting rod, second connecting rod and the 3rd
Connecting rod, rotating shaft is fixedly connected with the valve body, and one end of first connecting rod is connected on valve interior wall, and middle part is sheathed
In rotating shaft, the other end is connected by the first power transmission shaft with one end of second connecting rod, the second connecting rod another
One end is set on second driving shaft, and one end of third connecting rod is set in rotating shaft, and the other end is set in
On three power transmission shafts, described third connecting rod is positioned at the inner side of first connecting rod, second driving shaft and the 3rd power transmission shaft
Being connected on valve rod, the 3rd power transmission shaft is positioned at the lower section of second driving shaft.
A kind of three stem valves the most according to claim 1, it is characterised in that: described sealing device is ripple
Stricture of vagina set, radiation fins includes connecting portion, middle connecting portion and lower connecting portion, and lower connecting portion is fixed on valve seat,
Upper connecting portion is corresponding with valve plate, and the width of middle connecting portion is more than the width of upper connecting portion, the width of upper connecting portion
Spend consistent with the width of lower connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620336543.5U CN205654885U (en) | 2016-04-20 | 2016-04-20 | Three pole valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620336543.5U CN205654885U (en) | 2016-04-20 | 2016-04-20 | Three pole valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654885U true CN205654885U (en) | 2016-10-19 |
Family
ID=57400284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620336543.5U Active CN205654885U (en) | 2016-04-20 | 2016-04-20 | Three pole valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081185A (en) * | 2019-04-04 | 2019-08-02 | 西安建筑科技大学 | A kind of air-valve in ventilation and air conditioning system |
-
2016
- 2016-04-20 CN CN201620336543.5U patent/CN205654885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081185A (en) * | 2019-04-04 | 2019-08-02 | 西安建筑科技大学 | A kind of air-valve in ventilation and air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |