CN205918937U - Ball valve that leakproofness is strong - Google Patents
Ball valve that leakproofness is strong Download PDFInfo
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- CN205918937U CN205918937U CN201620988846.5U CN201620988846U CN205918937U CN 205918937 U CN205918937 U CN 205918937U CN 201620988846 U CN201620988846 U CN 201620988846U CN 205918937 U CN205918937 U CN 205918937U
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- ball valve
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Abstract
The utility model relates to the field of valves, especially, relate to a ball valve that leakproofness is strong. A ball valve that leakproofness is strong, includes the valve body to and rotate the setting at the inside case of valve body, be equipped with runner seal assembly between case and the valve body, runner seal assembly is including setting up the base on the valve body to and the disk seat of setting on the base, the cross -section of base is the annular, and the annulus outer side face of base goes up circumference and has offered a plurality of spring holes, the downthehole spring that is provided with of spring, and the outer tip of spring supports and leans on on the valve body, the lateral surface of disk seat supports and leans on on the base, still is equipped with the sealing washer between disk seat and the base, the interior port of disk seat with the spheroid lateral surface of case is closely laminated. This ball valve adopts novel runner seal assembly, has the lift -off seal effect, prolongs ball valve life's advantage.
Description
Technical field
This utility model is related to valve field, the strong ball valve of more particularly, to a kind of sealing.
Background technology
Ball valve is a kind of common valve, and ball valve is mainly used to make the flowing cutting off, distribute and changing medium in pipeline
Direction, it only needs to be closed tightly with the operation ratating 90 degrees.Ball valve optimum switchs, stop valve uses, the master of ball valve
Want feature to be the features such as compact conformation itself, sealed reliable, structure are simple, be widely used in every profession and trade.But, existing
Ball valve has following weak point: completely rigid sealing between valve element and valve seat, due to the presence of pressure medium, spool face with
Frictional force between valve seat is larger, after long-time use, easily causes contact surface abrasion and reduces sealing effectiveness, substantially reduce
The service life of ball valve and serviceability.
Content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of sealing strong ball valve, and this ball valve is adopted
Use novel flow channel black box, there is lift-off seal effect, extend the advantage of ball valve service life.
In order to realize above-mentioned purpose, this utility model employs following technical scheme:
A kind of strong ball valve of sealing, including valve body, and the valve element being rotatably arranged on valve inner；Described valve element and valve
It is provided with runner black box, runner black box includes the pedestal being arranged on valve body, and is arranged on pedestal between body
Valve seat；The ring-shaped section and ring-shaped of pedestal, on the ring body lateral surface of pedestal, circumference offers some spring eyes, and spring in the hole is provided with bullet
Spring, the outer end of spring is resisted against on valve body；The lateral surface of described valve seat is resisted against on pedestal, is additionally provided between valve seat and pedestal
Sealing ring, the inner port of valve seat is fitted tightly with the spheroid lateral surface of described valve element.
This utility model adopts technique scheme, and this ball valve adopts novel flow channel black box, this runner black box
In valve seat be arranged on pedestal, valve seat contacts sealing with the spheroid lateral surface of valve element, and is provided between described pedestal and valve body
Spring is adjusted, using this compensation sealing means of spring fitted seal；In sealing, the elastic force of spring acts on base successively
Seat, valve seat, make the cooperation of valve seat and valve element tensioner thus lift-off seal effect；During valve core rotation, valve seat compresses further
Spring, makes valve core rotation more convenient；Compared to the rotation process in rigid sealing structure, during this valve core rotation, produce friction
Power greatly reduces, thus alleviating the wear condition of spool face, extends ball valve service life.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is a portion enlarged drawing of Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
A kind of ball valve as shown in Figure 1 and Figure 2, including ball valve assembly, and for driving the operation machine of described ball valve assembly
Structure.
Described ball valve assembly includes valve body and valve element 2, and valve body includes the first valve body 11, and is fastened on the first valve body
The second valve body 12 on 11, the second valve body 12 coordinates hex nut to be connected and fixed on the first valve body 11 by isometric studs
On, it is easy to the installation to inner spool 2 and maintenance by the way of dual-valve body is connected.The valve body end of described first valve body 11
The valve end of portion and the second valve body 12 is all attached to the ring flange on medium pipeline, and the end of the first valve body 11 sets
There is a medium entrance 13, the end of the second valve body 12 is provided with media outlet 14, medium entrance 13 and media outlet 14 are in same
On axis.Valve inner between described medium entrance 13 and media outlet 14 is provided with valve pocket 15, on the valve body of valve pocket 15 bottom
It is provided with locating shaft 16, the valve body at valve pocket 15 top is movably equipped with valve rod 3, valve rod 3 the inner is in valve pocket 15, outside valve rod 3
End is in outside valve body.Described operating mechanism includes operating handwheel 41 and transmission box assembly 42, and operation handwheel 41 passes through transmission case
Assembly 42 connects described valve rod 3.Described valve element 2 is arranged in the valve pocket 15 of valve body, and the bottom of valve element 2 is positioned at described positioning
On axle 16, the upper end of valve element 2 is connected with the bottom of valve rod 3, and described valve element 2 is provided with Jie axially penetrating through its body
Mass flow road 21, medium entrance 13, media outlet 14 and medium runner 21 are in same level.In said structure, ball valve
Structure is novel, and valve element 2 is positioned inside valve pocket 15, and the bottom of valve element 2 is positioned on described locating shaft 16, the upper end of valve element 2
Portion is connected with the bottom of valve rod 3.During work, operator drive described valve body by operating mechanism, in the band of valve rod 3
Under dynamic, valve element 2, with locating shaft 16 as axis rotation, thus realizing the control to runner flow, has simple to operate, 2 turns of valve element
The little advantage of dynamic torque.Specifically, when described medium entrance 13, media outlet 14 and medium runner 21 communicate, ball valve is in out
Open state；When valve element 2 upset makes the spheroid side of valve element 2 block medium channel, ball valve is closed.
Specifically, the upper end of described valve element 2 offers step draw-in groove, step draw-in groove include one-level step groove and
Two stage steps groove；Described valve rod 3 is positioned on valve body by axle bed 32, and the bottom of valve rod 3 is provided with flat 31；Valve rod 3
Flat 31 positioning is connected in the two stage steps groove of valve element 2, and the bottom of axle bed 32 is positioned in the one-level step groove of valve element 2.
It is provided with packing seal assembly, packing seal assembly includes being arranged between valve rod 3 and axle bed 32 between described valve rod 3 and axle bed 32
Filler 33, and for position described filler filler set 34, and for position described filler set 34 hold-down grid 35；
Described filler set 34 and hold-down grid 35 are all set on valve rod 3, and hold-down grid 35 connects institute by connection member (as screw rod)
State axle bed 32.In said structure, packing seal assembly is arranged on the filler between valve rod 3 and axle bed 32, in packing seal assembly
For ensureing the sealing between valve rod 3 and axle bed 32, filler set 34 and hold-down grid 35 for positioning to described filler,
So that filler is fixed, prevent filler from producing in the friction process long-term with described valve rod 3 and loosen.Thus lifting its sealing effect
Really, so that ball valve is difficult to produce medium leakage and permeate, ensure valve body, extend the service life of valve body.
It is respectively provided with runner black box between described valve element 2 and medium entrance 13 and media outlet 14.Runner black box
Including the pedestal 22 being arranged on valve body, and it is arranged on the valve seat 23 on pedestal 22；The ring-shaped section and ring-shaped of pedestal 22, pedestal 22
Ring body lateral surface on circumference offer some spring eyes 24, be provided with spring (not shown) in spring eye 24, spring
Outer end is resisted against on valve body；The lateral surface of described valve seat 23 is resisted against on pedestal 22, is additionally provided between valve seat 23 and pedestal 22
Sealing ring 25, the inner port of valve seat 23 is fitted tightly with the spheroid lateral surface of described valve element 2.In said structure, runner sealing group
Valve seat 23 in part is arranged on pedestal 22, and valve seat 23 contacts sealing with the spheroid lateral surface of valve element 2, and described pedestal 22 and valve
It is provided with spring between body to adjust, using this compensation sealing means of spring fitted seal；In sealing, the elastic force of spring according to
Secondary effect pedestal 22, valve seat 23, make valve seat 23 with the cooperation of valve element 2 tensioner thus lift-off seal effect.In valve element 2 rotation process
In, the further compression spring of valve seat 23, so that valve element 2 is rotated more convenient.Compared to the rotation process in rigid sealing structure, this valve
Producing frictional force in core 2 rotation process to greatly reduce, thus alleviating the wear condition on valve element 2 surface, extending ball valve service life.
It should be appreciated that above-mentioned specific embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, and do not constitute to restriction of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvement done etc., should be included within protection domain of the present utility model.Additionally,
This utility model claims are intended to fall into scope and border or this scope and border
Whole changes in equivalents and modification.
Claims (1)
1. a kind of strong ball valve of sealing it is characterised in that: include valve body, and the valve element being rotatably arranged on valve inner；Institute
State and between valve element and valve body, be provided with runner black box, runner black box includes the pedestal being arranged on valve body, and setting
Valve seat on pedestal；The ring-shaped section and ring-shaped of pedestal, on the ring body lateral surface of pedestal, circumference offers some spring eyes, spring eye
Inside it is provided with spring, the outer end of spring is resisted against on valve body；The lateral surface of described valve seat is resisted against on pedestal, valve seat and pedestal
Between be additionally provided with sealing ring, the inner port of valve seat is fitted tightly with the spheroid lateral surface of described valve element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620988846.5U CN205918937U (en) | 2016-08-29 | 2016-08-29 | Ball valve that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620988846.5U CN205918937U (en) | 2016-08-29 | 2016-08-29 | Ball valve that leakproofness is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918937U true CN205918937U (en) | 2017-02-01 |
Family
ID=57869017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620988846.5U Active CN205918937U (en) | 2016-08-29 | 2016-08-29 | Ball valve that leakproofness is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999994A (en) * | 2018-10-10 | 2018-12-14 | 江山市志成阀门有限公司 | A kind of ball valve and its processing technology |
-
2016
- 2016-08-29 CN CN201620988846.5U patent/CN205918937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999994A (en) * | 2018-10-10 | 2018-12-14 | 江山市志成阀门有限公司 | A kind of ball valve and its processing technology |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |