CN203488775U - Ball valve with integrated valve rod and ball core - Google Patents
Ball valve with integrated valve rod and ball core Download PDFInfo
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- CN203488775U CN203488775U CN201320350388.9U CN201320350388U CN203488775U CN 203488775 U CN203488775 U CN 203488775U CN 201320350388 U CN201320350388 U CN 201320350388U CN 203488775 U CN203488775 U CN 203488775U
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- valve
- ball
- ball core
- barrel
- valve rod
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Abstract
The utility model provides a ball valve with an integrated valve rod and a ball core, which comprises a left valve body equipped with a left valve base, a right valve body equipped with a right valve base and the ball core equipped with the valve rod, wherein the ball core is embedded in a closed passageway formed by the left valve base and the right valve base and the valve rod and the ball core have an integrated-molded structure. The ball valve with the integrated valve rod and the ball core in the utility model has relatively good wear resistance and a good sealing performance. With the integrated molded structure of the valve rod and the ball core, connecting strength between the valve rod and the ball core is increased and normal operation can be ensured under an operating condition when a media contains a lot of particles; the ball valve is applicable in harsh operating conditions; and the sealing performance and service life of the ball valve are increased.
Description
Technical field
The utility model relates to a kind of ball valve, particularly relates to a kind of ball valve of valve rod ball core integral type.
Background technique
As everyone knows, ball valve is a kind of common valve in industries such as polysilicon, oil, Coal Chemical Industries.Mainly there is following problem in the ball valve of prior art: 1, in medium, contain under the operating mode of solid particle, cause valve torque to increase, valve rod and ball core can cause damage in relative movement, cause valve switch not in place, dielectric leakage; 2, in medium, contain under the operating mode of solid particle, solid particle can enter in gapping of spring, causes spring failure, dielectric leakage; 3, in medium, contain under the operating mode of solid particle, solid particle enters in the bearing play of ball core and valve body, causes valve stuck.
Model utility content
The technical problems to be solved in the utility model is that valve rod and ball core are easy to wear in order to overcome under the operating mode that contains solid particle in prior art in medium, and ball valve is the defect of leakage easily, and a kind of ball valve of valve rod ball core integral type is provided.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of ball valve of valve rod ball core integral type, comprise that right valve barrel and that a left valve barrel, that is provided with a left valve seat is provided with right valve seat is provided with the ball core of valve rod, described ball core is embedded between described left valve seat and the formed airtight runner of described right valve seat, its feature is, described valve rod and the described ball core structure that is formed in one.
This programme, by valve rod and the ball core structure that is formed in one, has increased the join strength between valve rod and ball core, contains under the operating mode of a large amount of particles and can guarantee normal work in medium, is applicable to harsh operating mode, has increased sealability and the working life of ball valve.
Preferably, be equipped with at least one adjustment pad, at least one spring, at least one gasket seal and at least one O type circle between described left valve seat and described left valve barrel and described right valve seat and described right valve barrel, the surface of described at least one spring is coated with fluororubber layer.
This programme, makes ball core and left valve seat and ball core and the equal close contact of right valve seat by adjusting the setting of pad; The surface of spring is coated with fluororubber layer, prevents that the solid particle in medium from entering into spring, has strengthened the working life of spring and the sealability of ball valve; The double sealing structure form of gasket seal and O type circle, not only prevents that medium is from left valve seat and right valve seat leakage, and plays the effect of double seal, has improved the sealing effect of ball valve.
Preferably, described left valve seat and described left valve barrel and described right valve seat and described right valve barrel are split-type structural, and described left valve barrel and described right valve barrel are separable type structure.
This programme, by described left valve seat and described left valve barrel and described right valve seat and described right valve barrel, all adopt split-type structural, left valve barrel and right valve barrel adopt separable type structure, not only make the left valve seat of ball valve and the medium of right valve seat energy independent trip entrance point and outlet end, realize two block function, reach the effect of two way sealed, and make ball core be easier to assembling.
Preferably, the runner inner wall of described left valve barrel, described left valve seat, described ball core, described right valve barrel and described right valve seat is all coated with a hard alloy layer.
This programme, by the runner inner wall coated with hard alloy-layer at left valve barrel, left valve seat, ball core, right valve barrel and right valve seat, has strengthened the antiwear property of ball valve.
Preferably, be provided with at least one upper setting sleeve and at least one lower setting sleeve between described right valve barrel and described ball core, described upper setting sleeve surface and described lower setting sleeve surface are all piled and are welded with hard alloy layer.
This programme, by be provided with setting sleeve and lower setting sleeve between right valve barrel and ball core, has reduced ball valve moment of torsion, has increased working life; On upper setting sleeve surface and described lower setting sleeve surface, all pile and be welded with hard alloy layer, reduced the frictional force between ball core and setting sleeve, increased wear-resisting property and working life.
Built-up welding in this programme refers to: a kind of economy well known in the prior art and technological method fast, specifically refer on the surface of workpiece or edge carries out the welding procedure of the performance metal layers such as deposited one deck is wear-resisting, anti-corrosion, heat-resisting.
Preferably, between described right valve barrel and described left valve barrel, be provided with at least one valve seal pad; Described right valve barrel and described left valve barrel are provided with a valve gap being placed on described valve rod, between described valve gap and described right valve barrel, are provided with at least one spirotallic gasket.
This programme, by the structural type that arranges of valve seal pad, valve gap, spirotallic gasket, has further strengthened the sealability of the ball valve of valve rod ball core integral type.
Preferably, between described valve rod and described valve gap, be provided with a filler assembly, described filler assembly is pressed on described valve gap by a filler pressing sleeve being placed on described valve rod.
The structural type that this programme adopts guarantees that filler place is without dielectric leakage.
Preferably, described filler assembly comprises two-layer mixed filler layer and one deck graphite packing layer, and described graphite packing layer is between two-layer described mixed filler layer.
Preferably, described graphite packing layer is flexible graphite packing layer.
The filler assembly structural type that this programme adopts not only guarantees the sealability of valve rod, and has prevented pure graphite damage; Graphite packing layer is flexible graphite packing layer, makes valve under fire condition, also can guarantee the sealing of reliability.
Preferably, described mixed filler layer comprises wire filler and graphite packing, and wherein, described graphite packing is flexible graphite packing.
Positive progressive effect of the present utility model is: the ball valve of the utility model valve rod ball core integral type has wear-resistant, sealability preferably, its valve rod and the ball core structure that is formed in one, increased the join strength between valve rod and ball core, in medium, contain under the operating mode of a large amount of particles and can guarantee normal work, be applicable to harsh operating mode, increased sealability and the working life of ball valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ball valve of the utility model preferred embodiment.
Embodiment
Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
As shown in Figure 1, the ball valve of the utility model valve rod ball core integral type comprises right valve barrel 1, left valve barrel 2, valve body connecting bolt 3, right valve seat 4, valve seal pad 5, lower setting sleeve 6, ball core 7, adjust pad 8, spring 9, valve base sealing pad 10, O type circle 11, left valve seat 12, upper setting sleeve 13, spirotallic gasket 14, valve gap 15, filler assembly 16, filler pressing sleeve 17, filler pressing sleeve flange 18, support 19, filler hold-down bolt 20, valve rod 21, valve gap hold-down bolt 22 and support hold-down bolt 23, described right valve barrel 1 is fixing with described left valve barrel 2 by described valve body connecting bolt 3, described valve seal pad 5 is located between described right valve barrel 1 and described left valve barrel 2, described ball core 7 is embedded between described left valve seat 12 and the formed airtight runner of described right valve seat 4, between described left valve seat 12 and described left valve barrel 2 and described right valve seat 4 and described right valve barrel 1, is equipped with spring 9, adjust pad 8, valve base sealing pad 10 and O type circle 11, described upper setting sleeve 13 and described lower setting sleeve 6 are located between right valve barrel 1 and ball core 7, described valve gap 15 is installed on described right valve barrel 1 by valve gap hold-down bolt 22, described valve rod 21 is sheathed on described support 19, between described support 19 and described left valve barrel 2 and described support 19 and described right valve barrel 1, all by support hold-down bolt 23, be fixedly connected with, 1 of described valve gap 15 and described right valve barrel are provided with described spirotallic gasket 14, between described valve rod 21 and described valve gap 15, be provided with described filler assembly 16, described filler assembly 16 is pressed on valve gap 15 by a filler pressing sleeve 17 being placed on described valve rod 21, filler pressing sleeve 17 is embedded in filler pressing sleeve flange 18, described filler pressing sleeve flange 18 compresses described filler assembly 16 by filler hold-down bolt 20.
Described valve rod 21 and described ball core 7 structure that is formed in one, increased the join strength between valve rod 21 and ball core 7, guarantee that ball valve still can normally be worked under the very large operating mode of surface friction drag, while preventing from becoming flexible with described ball core 7 because of described valve rod 21, valve rod 21 flies out from left valve barrel 2 and right valve barrel 1, has increased sealability and the working life of ball valve.
Described left valve seat 12 is split-type structural with described left valve barrel 2 and described right valve seat 4 with described right valve barrel 1, described left valve barrel 2 is separable type structure with described right valve barrel 1, not only make the left valve seat 2 of ball valve and the medium of right valve seat 1 energy independent trip entrance point and outlet end, realize two block function, reach the effect of two way sealed, and make ball core 7 be easier to assembling.Between described right valve barrel 1 and described left valve barrel 2, be provided with valve seal pad 5, described valve seal pad 5 is made by stainless steel and Expanded graphite, even so ball valve under fire condition, also can guarantee the sealing of reliability.
Between described left valve seat 12 and described left valve barrel 2 and described right valve seat 4 and described right valve barrel 1, be equipped with at least one spring 9, the surface of described at least one spring 9 is coated with fluororubber layer, prevent that the solid particle in medium from entering into spring 9, strengthened the working life of spring 9 and the sealability of ball valve.Between described left valve seat 12 and described left valve barrel 2 and described right valve seat 4 and described right valve barrel 1, be equipped with and adjust pad 8, an adjustable distance is provided, guarantee ball core 7 and left valve seat 12 and ball core 7 and the equal close contact of right valve seat 4.Between described left valve seat 12 and described left valve barrel 2 and described right valve seat 4 and described right valve barrel 1, be all also provided with valve base sealing pad 10 and O type circle 11, not only prevent that medium from leaking from left valve seat 12 and right valve seat 4, and play the effect of double seal, improved the sealing effect of ball valve.
Between described right valve barrel 1 and described ball core 7, be provided with setting sleeve 13 and lower setting sleeve 6, play the effect of bearing, guaranteed the action of ball core 7, reduced ball valve moment of torsion, increased working life; Described upper setting sleeve 13 surfaces and described lower setting sleeve 6 surfaces are all piled and are welded with hard alloy layer, reduced the frictional force between ball core 7 and upper setting sleeve 13, lower setting sleeve 6, even if particle is entered between lower setting sleeve 6 and ball core 7, ball valve also can normal rotation, has increased wear-resisting property and the working life of ball valve.
1 of described valve gap 15 and described right valve barrel are provided with spirotallic gasket 14, prevent that medium from leaking from valve gap 15.Between described valve rod 21 and described valve gap 15, be provided with filler assembly 16, described filler assembly 16 is pressed on described valve gap 15 by a filler pressing sleeve 17 being placed on described valve rod 21, described filler pressing sleeve flange 18 compresses described filler assembly 16 by filler hold-down bolt 20, guarantees that filler place is without dielectric leakage.
Described filler assembly 16 comprises two-layer mixed filler layer and one deck graphite packing layer, described graphite packing layer is between two-layer mixed filler layer, described mixed filler layer comprises wire filler and graphite packing, not only guarantees the sealability of valve rod 21, and has prevented pure graphite damage.Described graphite packing layer is flexible graphite packing layer, and described graphite packing is flexible graphite packing, even if make ball valve also can guarantee the sealing of reliability under fire condition.
The runner inner wall of described left valve barrel 2, described left valve seat 12, described ball core 7, described right valve barrel 1 and described right valve seat 4 is all coated with a hard alloy layer, has strengthened the antiwear property of ball valve.Described left valve barrel 2, described left valve seat 12, described ball core 7, described right valve barrel 1 and described right valve seat 4 are metal material, therefore the contact nature between them has formed static passage, makes the ball valve of valve rod ball core integral type not need to manufacture experimently special anti-static device.The sealing surface of valve rod ball core integrated ball valve adopts metal to metal seal structure, even if make ball valve also can guarantee the sealing of reliability under fire condition.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these mode of executions, but these changes and modification all fall into protection domain of the present utility model.
Claims (8)
1. the ball valve of a valve rod ball core integral type, comprise that one is provided with the left valve barrel of a left valve seat, one right valve barrel and that is provided with right valve seat is provided with the ball core of valve rod, described ball core is embedded between described left valve seat and the formed airtight runner of described right valve seat, it is characterized in that, described valve rod and the described ball core structure that is formed in one, between described left valve seat and described left valve barrel and described right valve seat and described right valve barrel, be equipped with at least one adjustment pad, at least one spring, at least one gasket seal and at least one O type circle, the surface of described at least one spring is coated with fluororubber layer, described adjustment pad makes ball core and left valve seat and ball core and the equal close contact of right valve seat, described gasket seal and O type circle form double sealing structure.
2. the ball valve of valve rod ball core integral type as claimed in claim 1, is characterized in that, described left valve seat and described left valve barrel and described right valve seat and described right valve barrel are split-type structural, and described left valve barrel and described right valve barrel are separable type structure.
3. the ball valve of valve rod ball core integral type as claimed in claim 1, is characterized in that, the runner inner wall of described left valve barrel, described left valve seat, described ball core, described right valve barrel and described right valve seat is all coated with a hard alloy layer.
4. the ball valve of valve rod ball core integral type as claimed in claim 1, it is characterized in that, between described right valve barrel and described ball core, be provided with at least one upper setting sleeve and at least one lower setting sleeve, described upper setting sleeve surface and described lower setting sleeve surface are all piled and are welded with hard alloy layer.
5. the ball valve of valve rod ball core integral type as claimed in claim 1, is characterized in that, is provided with at least one valve seal pad between described right valve barrel and described left valve barrel; Described right valve barrel and described left valve barrel are provided with a valve gap being placed on described valve rod, between described valve gap and described right valve barrel, are provided with at least one spirotallic gasket.
6. the ball valve of valve rod ball core integral type as claimed in claim 5, is characterized in that, between described valve rod and described valve gap, is provided with a filler assembly, and described filler assembly is pressed on described valve gap by a filler pressing sleeve being placed on described valve rod.
7. the ball valve of valve rod ball core integral type as claimed in claim 6, is characterized in that, described filler assembly comprises two-layer mixed filler layer and one deck graphite packing layer, and described graphite packing layer is between two-layer described mixed filler layer.
8. the ball valve of valve rod ball core integral type as claimed in claim 7, is characterized in that, described graphite packing layer is flexible graphite packing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350388.9U CN203488775U (en) | 2013-06-18 | 2013-06-18 | Ball valve with integrated valve rod and ball core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350388.9U CN203488775U (en) | 2013-06-18 | 2013-06-18 | Ball valve with integrated valve rod and ball core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488775U true CN203488775U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350388.9U Expired - Fee Related CN203488775U (en) | 2013-06-18 | 2013-06-18 | Ball valve with integrated valve rod and ball core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488775U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948764A (en) * | 2015-07-10 | 2015-09-30 | 吴忠仪表有限责任公司 | Supporting and positioning structure for control valve ball core |
| CN105202204A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业（宜兴）有限公司 | High-temperature butterfly valve for marine diesel engine |
| CN107061780A (en) * | 2017-05-27 | 2017-08-18 | 浙江永联阀门有限公司 | A kind of Pneumatic lining fluorine V-type ball valve |
| CN108119688A (en) * | 2017-12-26 | 2018-06-05 | 福斯流体控制（苏州）有限公司 | The harsh operating mode hard seal fixing ball valve of coal gasification |
-
2013
- 2013-06-18 CN CN201320350388.9U patent/CN203488775U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948764A (en) * | 2015-07-10 | 2015-09-30 | 吴忠仪表有限责任公司 | Supporting and positioning structure for control valve ball core |
| CN105202204A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业（宜兴）有限公司 | High-temperature butterfly valve for marine diesel engine |
| CN107061780A (en) * | 2017-05-27 | 2017-08-18 | 浙江永联阀门有限公司 | A kind of Pneumatic lining fluorine V-type ball valve |
| CN108119688A (en) * | 2017-12-26 | 2018-06-05 | 福斯流体控制（苏州）有限公司 | The harsh operating mode hard seal fixing ball valve of coal gasification |
| CN108119688B (en) * | 2017-12-26 | 2024-01-02 | 福斯流体控制（苏州）有限公司 | Hard sealing fixed ball valve for severe coal gasification working condition |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201323 Shanghai city Pudong New Area Zhuqiao gold Lianglu No. 32 Building 2 Patentee after: More research (Shanghai) valve industry Co. Ltd. Address before: 201323 Shanghai city Pudong New Area Zhuqiao gold Lianglu No. 32 Building 2 Patentee before: Copeland (Shanghai) Valve Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20190618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |