CN207777672U - A kind of eccentric ball valve - Google Patents
A kind of eccentric ball valve Download PDFInfo
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- CN207777672U CN207777672U CN201721830264.5U CN201721830264U CN207777672U CN 207777672 U CN207777672 U CN 207777672U CN 201721830264 U CN201721830264 U CN 201721830264U CN 207777672 U CN207777672 U CN 207777672U
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Abstract
The utility model provides a kind of eccentric ball valve, including：Valve ball, valve body, the first valve road, the second valve road, third valve road and valve rod, when eccentric ball valve is in open state, first valve road, third valve road and the second valve road are in connected state, and medium can circulate, and avoid the medium that valve rod is born and wash away and corrode；When eccentric ball valve is closed, the first seal and the second seal on valve body are sealed with the first valve road and the second valve road respectively, realize two way seal, sealing performance is higher.
Description
Technical field
The utility model is related to valve manufacture fields, more particularly to a kind of eccentric ball valve.
Background technology
Ball valve is mainly used to make the flow direction for cutting off, distributing and changing medium in pipeline, it is only needed with rotation behaviour
Make and the rotating torque of very little can close tightly, therefore ball valve optimum switchs, stop valve uses.Eccentric ball valve is as ball
The a kind of of valve also has relatively broad application.Under normal conditions, eccentric ball valve is side-mounted structure and valve rod is integral design,
Eccentric ball valve is one-way sealing, it is difficult to good sealing effect is played in the case of High Pressure Difference, one-way sealing eccentric ball valve
Installation direction is single, and applicability is relatively low；And valve rod is placed among runner when valve opening, when containing particle in medium to valve
Washing away for bar is serious, among being constantly in runner due to valve rod, influences the flow of medium, when carrying out valve cleaning, wiper
Hand scarf valve cavity can not be can not achieve by runner, it therefore, need to be from pipeline by eccentric ball valve entirety when maintenance
It removes, when safeguarding heavy caliber eccentric ball valve, dismounting is more difficult.
Utility model content
In view of the foregoing deficiencies of prior art, it the purpose of this utility model is to provide a kind of eccentric ball valve, is used for
Solve the problems, such as that sealing performance is low when eccentric ball valve one-way sealing in the prior art, installation direction is single and applicability is low.
In order to achieve the above objects and other related objects, the utility model provides a kind of eccentric ball valve, including：Valve ball, valve
Body, the first valve road, the second valve road and valve rod, the valve ball and the valve rod are set in the valve body, and the valve ball includes
First matching body and the second matching body, first valve road include primary sealing area and secondary sealing area, the second valve road packet
Include third sealing surface and the 4th sealing surface, first matching body includes the first matching face and the second matching face, described second
Ligand includes third matching face and the 4th matching face, and first matching face is more than described second at a distance from the valve rod axis
At a distance from the valve rod axis, the third matches face and is less than the 4th matching at a distance from the valve rod axis in matching face
At a distance from the valve rod axis, first matching face is matched with the primary sealing area in face, the second matching face and institute
Secondary sealing area matching is stated, third matching face is matched with the third sealing surface, the 4th matching face and the described 4th
Sealing surface matches.
Optionally, the valve rod includes the first valve rod and the second valve rod, and the valve ball has the guide groove for guiding, institute
It states the first valve rod to be fixedly connected with the valve ball and be used to drive the valve ball to rotate, second valve rod is fixed on the valve body
On, and second valve rod matches with the guide groove.
Optionally, the eccentric ball valve further includes being used to provide power actuator, the actuator and first valve rod
It connects and first valve rod is driven to rotate.
Optionally, it is equipped with the valve for assembling valve rod and valve ball in valve body position corresponding with first valve rod
There is valve cover hole, first valve rod to be connect with the valve ball through the valve cover hole for lid, the valve deck.
Optionally, the axle sleeve for guiding is equipped in the guide groove, the axle sleeve matches with second valve rod.
Optionally, the valve ball further includes the third valve road for circulation medium.
Optionally, the diameter of first valve road, second valve road and the third valve road is identical.
As described above, the eccentric ball valve of the utility model, has the advantages that：
1, there are two sealing surface, i.e. primary sealing area and secondary sealing area, the primary sealing areas for the eccentric ball valve tool
Match with the first valve road, the secondary sealing area matches with second valve road, improves sealing performance, installation direction is not
It is limited by the flow direction of medium, improves the applicability of installation；
2, the distance of valve rod axis described in plan range where first matching face is more than where second matching face
The distance of valve rod axis described in plan range, the distance that the third matches valve rod axis described in the plan range of face place are less than institute
The distance of valve rod axis described in plan range where stating the 4th matching face, when the first matching face and primary sealing area sealing, second
Matching face and secondary sealing area seal, third match that face is sealed with third sealing surface and the 4th matches face and the 4th sealing surface is close
Feng Shi, the eccentric ball valve can be sealed firmly, and meeting sealing force is increasing；
3, the valve ball is equipped with the third valve road for circulation medium, and valve rod is split-type design, and the first valve rod is used
In transfer motion power and the valve ball is driven to rotate, the second valve rod is rotated for being oriented to valve ball, is avoided during flow of media,
Particle washing away and corroding to valve rod in medium and medium, and avoid the case where valve rod reduces rate-of flow and occur.
Description of the drawings
Fig. 1 is shown as the eccentric ball valve structural schematic diagram of the utility model embodiment.
Fig. 2 is shown as the eccentric ball valve cross-sectional plan view structural schematic diagram of the utility model embodiment.
Piece mark explanation
1 valve ball
11 first matching bodies
111 first matching faces
112 second matching faces
12 second matching bodies
121 thirds match face
122 the 4th matching faces
13 third valve roads
14 guide grooves
2 valve bodies
3 first valve roads
31 primary sealing areas
32 secondary sealing areas
4 second valve roads
41 third sealing surfaces
42 the 4th sealing surfaces
51 first valve rods
52 second valve rods
521 axle sleeves
53 valve rod axis
6 valve decks
61 valve cover holes
71 first tracks
72 second tracks
73 third tracks
74 the 4th tracks
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by this theorys below by way of specific specific example
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific implementation modes are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
It please refers to Fig.1 to Fig. 2.It should be noted that the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of utility model, when only display is with related component in the utility model rather than according to actual implementation in schema then
Component count, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change
Become, and its assembly layout kenel may also be increasingly complex.Structure, ratio, size etc. depicted in this specification institute accompanying drawings,
Only to coordinate the revealed content of specification, so that those skilled in the art understands and reads, it is not limited to this reality
With novel enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or
The adjustment of size should all still be fallen in this reality in the case where not influencing the effect of the utility model can be generated and the purpose that can reach
It is obtained with novel revealed technology contents in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower",
The term of "left", "right", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than can to limit the utility model
The range of implementation, relativeness are altered or modified, can when being also considered as the utility model in the case where changing technology contents without essence
The scope of implementation.
Before the utility model embodiment is described in detail, first the application environment of the utility model is retouched
It states.The technology of the utility model is mainly applied in valve control, is especially applied in eccentric ball valve control.Invention human hair
Existing existing eccentric ball valve is generally one-way sealing and valve rod is placed in valve road, and the eccentric ball valve sealing performance of one-way sealing is not
Cleaning that is ideal and being not easy to valve road in valve, in addition to this, since medium washes away and corrode the valve rod being set in valve road.For
This, a kind of eccentric ball valve of inventor's utility model.
It please refers to Fig.1 and Fig. 2, the utility model provides a kind of eccentric ball valve, including：Valve ball 1, valve body 2, the first valve road 3,
Second valve road 4 and valve rod, the valve ball 1 further include the third valve road 13 for circulation medium；It is first valve road 3, described
The diameter of second valve road 4 and the third valve road 13 is identical, and the valve rod includes the first valve rod 51 and the second valve rod 52, described
There is valve ball 1 guide groove 14 for guiding, first valve rod 51 to be fixedly connected with the valve ball 1 and for driving the valve
Ball 1 rotates, and second valve rod 52 is fixed on the valve body 2, and second valve rod 52 matches with the guide groove 14,
First valve rod 51 drives valve ball 1 to rotate for transfer motion power, and the second valve rod 52 is used for guided rotation, the valve ball 1 and described
Valve rod is set in the valve body 2, and the valve ball 1 includes the first matching body 11 and the second matching body 12, and first valve road 3 includes
Primary sealing area 31 and secondary sealing area 32, second valve road 4 include third sealing surface 41 and the 4th sealing surface 42, and described the
One matching body 11 includes that the first matching face 111 and second matches face 112, and second matching body 12 includes that third matches face 121
With the 4th matching face 122.
When the eccentric ball valve is in open state, it is in state as shown in Figure 2, the first valve road 3, third valve road 13
And second valve road 4 be in connected state, medium can circulate, for valve rod use split-type design, avoid the first valve rod
51 and second the medium that bears of valve rod 52 wash away and corrode.
When the eccentric ball valve switches from open state to closed state, the first matching face 111 is along the first track 71
Direction movement, due to it is described first matching face 111 with the valve rod axis 53 at a distance from be more than it is described second match face 112 and
The distance of the valve rod axis 53, the second matching face 112 are moved along the direction of the second track 72, second matching face 112
At can be by primary sealing area 31, and then first matching face 111 can be matched with the primary sealing area 31, and described the
Two matching faces 112 can be matched with the secondary sealing area 32；Due to third matching face 121 and the valve rod axis 53
Distance is less than the described 4th and matches face 122 at a distance from the valve rod axis 53, and third matches face 121 along third track 73
Direction move, third match face 121 can be by the 4th sealing surface at, the 4th matching face 122 along the 4th track 74 direction
Movement, third matching face 121 can matchs with the third sealing surface 41, the described 4th match face 122 can with it is described
4th sealing surface 42 matches, and the eccentric ball valve is closed at this time.Since the eccentric ball valve uses described first
It is more than described second at a distance from the valve rod axis 53 with face 111 and matches face 112 at a distance from the valve rod axis 53 and institute
It states third and matches face 121 at a distance from the valve rod axis 53 less than the 4th matching face 122 and the valve rod axis 53
The eccentric design of distance, the eccentric ball valve can realize two way seal, and be switched over from open state to closed state
When, the eccentric ball valve is more and more closer, and sealing effect is good.
Preferably, the eccentric ball valve further includes being used to provide power actuator (being not drawn into figure), the actuator
It is connect with first valve rod 51 and first valve rod 51 is driven to rotate, the eccentric ball valve switch is controlled just using actuator
It is higher in control, precision.
In detail, it is equipped in the position corresponding with first valve rod 51 of the valve body 2 for assembling valve rod and valve ball 1
Valve deck 6, the valve deck 6 has valve cover hole 61, and first valve rod 51 connect through the valve cover hole 61 with the valve ball 1,
When carrying out I＆ M, valve deck 6 can be disassembled from valve body 2；Further, it is equipped with and is used in the guide groove 14
The axle sleeve 521 of guiding, the axle sleeve 521 are set on second valve rod 52, and second valve rod 52 and axle sleeve 521 are set to
In guide groove 14.
Specifically, the valve ball 1 is made of alloy material, alloy material is corrosion-resistant and structural strength is high, therefore the valve
The service life of ball 1 can increase；The valve seat is made of No. 45 steel, derives from a wealth of sources, and is convenient for casting and forming, convenient for manufacture and cost
It is relatively low.
In conclusion the utility model provides a kind of eccentric ball valve, including：Valve ball, valve body, the first valve road, the second valve road,
Third valve road and valve rod, when eccentric ball valve is in open state, the first valve road, third valve road and the second valve road, which are in, to be connected
Logical state, medium can circulate, avoid the medium that valve rod is born and wash away and corrode；When eccentric ball valve is closed,
The first seal and the second seal on valve body are sealed with the first valve road and the second valve road respectively, realize two way seal, close
Sealing property is higher.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (7)
1. a kind of eccentric ball valve, which is characterized in that including：Valve ball, valve body, the first valve road, the second valve road and valve rod, the valve
Ball and the valve rod are set in the valve body, and the valve ball includes the first matching body and the second matching body, first valve road
Including primary sealing area and secondary sealing area, second valve road includes third sealing surface and the 4th sealing surface, described first
Ligand includes the first matching face and the second matching face, and second matching body includes that third matches face and the 4th matching face, described
First matching face is more than described second at a distance from the valve rod axis and matches face at a distance from the valve rod axis, the third
Matching face is less than the described 4th at a distance from the valve rod axis and matches face at a distance from the valve rod axis, first matching
Face is matched with the primary sealing area, and second matching face is matched with the secondary sealing area, the third matching face and institute
The matching of third sealing surface is stated, the 4th matching face is matched with the 4th sealing surface.
2. eccentric ball valve according to claim 1, it is characterised in that：The valve rod includes the first valve rod and the second valve rod,
There is the valve ball guide groove for guiding, first valve rod to be fixedly connected with the valve ball and be used to drive the valve ball
Rotation, second valve rod is fixed on the valve body, and second valve rod matches with the guide groove.
3. eccentric ball valve according to claim 2, it is characterised in that：The eccentric ball valve further includes being used to provide power to hold
Row device, the actuator connect with first valve rod and first valve rod are driven to rotate.
4. eccentric ball valve according to claim 2, it is characterised in that：In valve body position corresponding with first valve rod
The valve deck for being useful for assembly valve rod and valve ball is installed, there is the valve deck valve cover hole, first valve rod to run through the valve deck
Hole is connect with the valve ball.
5. eccentric ball valve according to claim 2, it is characterised in that：The axle sleeve for guiding is equipped in the guide groove,
The axle sleeve matches with second valve rod.
6. eccentric ball valve according to claim 1, it is characterised in that：The valve ball further includes the third for circulation medium
Valve road.
7. eccentric ball valve according to claim 6, it is characterised in that：First valve road, second valve road and institute
The diameter for stating third valve road is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721830264.5U CN207777672U (en) | 2017-12-25 | 2017-12-25 | A kind of eccentric ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721830264.5U CN207777672U (en) | 2017-12-25 | 2017-12-25 | A kind of eccentric ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777672U true CN207777672U (en) | 2018-08-28 |
Family
ID=63228725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721830264.5U Active CN207777672U (en) | 2017-12-25 | 2017-12-25 | A kind of eccentric ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958791A (en) * | 2017-12-25 | 2019-07-02 | 重庆昂宇自控仪表有限公司 | A kind of double-eccentric ball valve |
-
2017
- 2017-12-25 CN CN201721830264.5U patent/CN207777672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958791A (en) * | 2017-12-25 | 2019-07-02 | 重庆昂宇自控仪表有限公司 | A kind of double-eccentric ball valve |
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