CN201651398U - Bidirectional adjustable automatic compensation spherical valve - Google Patents
Bidirectional adjustable automatic compensation spherical valve Download PDFInfo
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- CN201651398U CN201651398U CN2010201781763U CN201020178176U CN201651398U CN 201651398 U CN201651398 U CN 201651398U CN 2010201781763 U CN2010201781763 U CN 2010201781763U CN 201020178176 U CN201020178176 U CN 201020178176U CN 201651398 U CN201651398 U CN 201651398U
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- valve
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- automatic compensation
- spheroid
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Abstract
The utility model relates to a bidirectional adjustable automatic compensation spherical valve which comprises a valve body, a sphere mounted in the flow passage of the valve body through a valve rod, and an upper valve cap. The automatic compensation spherical valve is characterized in that the valve rod and the valve core sphere are integrated into a whole; a fixing shaft additionally arranged at the bottom of the sphere is connected with the valve body through a bearing; sealing automatic compensation devices are arranged symmetrically at two end ports of the flow passage of the valve body; and each sealing automatic compensation device mainly comprises an adjusting sleeve, an elastic pressure plate, an elastic piece and a slide valve seat sequentially arranged, wherein the slide valve seat is in contact and connected with the sphere; the adjusting sleeve and the valve body are in bolted connection; and the elastic piece is arranged between the elastic pressure plate and the slide valve seat. The automatic compensation spherical valve has the benefit that since the double integrated structures are adopted, that is, the sphere and the valve rod are integrated, and the valve body adopts an integrated structure; and the adjustable automatic compensation devices capable of being adjusted in three directions, namely the two directions of the valve body and the direction of the upper valve cap, is additionally arranged, the internal and external sealing performances are considerably improved, and the low application pressure, short service life, and the like, of the common spherical valve caused by loose sealing and leakage due to the abrasion of the seal area or sealing parts during use are avoided.
Description
Technical field
The utility model belongs to valve, relates in particular to a kind of bi-directional adjustable automatic compensating ball valve.
Background technique
The ball valve body of the valve of Shi Yonging generally is made up of two-part in the market, and the connecting part gasket seal is easily aging, very easily corrosion in the environment of seriously corrodeds such as oil, industrial chemicals, mouthful leakage problems in the generation.Ordinary ball valve is caused because of technical pattern and material: 1, inside and outside seal leak.2, the floating type wearing and tearing back that combines of ball and handle opens and closes inaccurate even comes off.3, valve body split type easy corrosion formation valve body leaks drawbacks such as .4, cycle in working life weak point.The existing ubiquitous unlatching moment of torsion of ball valve is big, Sealing is easy to wear or by the major defect of spheroid through hole edge cuts damage.Simultaneously, at present valve by asbestos packing or seal with elastometic washer easily aging, resistance to high temperature is poor, oil resistant weak effect, the problem such as seepage that causes easy to wear.The domestic bibliographical information of seeing various structure automatic compensating ball valves and sealing pressure adjustable automatic compensating ball valve more.Its structural design is different.For example common unidirectional auto-compensating ball valve, its valve body is two-part, install compensation mechanism additional by unidirectional automatic compensation adjustment, spool must produce the center displacement with respect to valve body vertical (along stimulating the menstrual flow centerline direction) when being compensated, so valve rod and spool are necessary for floating type combination, just valve rod, spool are two-part.Because valve rod is installed in the hole of valve body and fixes, make spool can vertically move with respect to valve body and valve rod, combining form is floating type, utilizes the gap of valve rod and spool junction to reach the transportable purpose of spool., spool can vertically move and must strengthen the surplus between both binding sites.Valve core rotation is inserted in the spool rectangular opening by valve rod rectangle head and is realized, after spool and the wearing and tearing of sealed at both ends circle, can only be compensated by an end, simultaneously also make center spool be subjected to displacement, could realize that valve rod drives the purpose of valve core rotation so only add the gap of big valve core and valve rod connection part with respect to the valve rod center.This produces another problem again, and surplus strengthens the feasible angle accuracy variation that opens and closes, and the easier burn into of valve rod and spool comes off.Still can not overcome fully for above-mentioned defective in actual applications.
The model utility content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of bi-directional adjustable automatic compensating ball valve is provided, and is under the form of integral body at valve rod and spool spheroid, adjustable automatic compensator is installed is realized automatic compensation function.Promptly, adopt spheroid and valve rod is in aggregates and valve body is two overall construction design of integral body, and by installing the automatic compensator adjusted of two-way and three directions of loam cake of valve body additional, it is big really to have solved the unlatching moment of torsion, Sealing is easy to wear, ball valve runs, emit, drip, problem the utility model of leakage and life-span weak point for achieving the above object, by the following technical solutions: a kind of bi-directional adjustable automatic compensating ball valve, comprise valve body, be installed in spheroid and bonnet in the valve flowing channel by valve rod, it is characterized in that: described valve rod and spool spheroid are integrated type, the spheroid bottom increases stationary axle and is connected with valve body by bearing, two-port at valve flowing channel is symmetrical arranged the sealing automatic compensator, described sealing automatic compensator is mainly by adjusting cover, the elastic force pressing plate, bouncing plate and slip valve seat are arranged in order formation, described slip valve seat and spheroid touch, described adjustment cover and valve body are spirally connected, and bouncing plate places between elastic force pressing plate and the slip valve seat.
Described valve body is integrated type, and described slip valve seat front-end face is provided with poly-tetrafluoro annular sealing surface, and its cylindrical is provided with seal groove and is equipped with O-ring seals.
Described bonnet is mainly adjusted gland, goes up sealing clamp and is gone up the sealing bouncing plate by last sealing and is arranged in order and constitutes, and describedly goes up that gland is adjusted in sealing and the valve body upper end-hole is spirally connected.
Described bouncing plate quantity is the 1-4 sheet, and its shape ringwise.
Beneficial effect: adopt spheroid and valve rod is in aggregates and valve body is two overall construction design of integral body, and by installing the automatic compensator adjusted of two-way and three directions of loam cake of valve body additional, can increase substantially inside and outside sealability, overcome ordinary ball valve sealing position or parts and cause poorly sealed, seepage, cause disadvantages such as working pressure is low, the life-span is short through using wearing and tearing.Can avoid causing material and energy waste, environmental pollution.Compensation mechanism can compensate behind sealing surface wear automatically, the good sealing effect of permanent maintenance, improve ball valve and reach more than 50 times working life, on average open number of times and can reach more than 50,000 times, fundamentally solve short problem of ball valve run, drip, leak and life-span.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, adjust cover, 2, the elastic force pressing plate, 3, bouncing plate, 4, slip valve seat, 5, seal groove, 6, go up sealing and adjust gland, 7, go up sealing clamp, 8, on seal bouncing plate, 9, seal ring, 10, O-ring seals, 11, valve body, 12, valve rod, 13, spheroid, 14, poly-tetrafluoro annular sealing surface, 15, stationary axle, 16, bearing.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in the figure, a kind of bi-directional adjustable automatic compensating ball valve, comprise whole valve body 11, by valve rod 12 and the spool spheroid 13 that is designed to one, automatic compensator is installed in spheroid two ends and bonnet and valve stem seal position in the valve flowing channel, described valve rod and spheroid are integrated type, the spheroid bottom increases stationary axle 15 and is connected with valve body by bearing 16, two-port at valve flowing channel is symmetrical arranged the sealing automatic compensator, described sealing automatic compensator is mainly by adjusting cover 1, elastic force pressing plate 2, bouncing plate 3 and slip valve seat 4 are arranged in order formation, described slip valve seat and spheroid touch, described adjustment cover and valve body are spirally connected, and bouncing plate places between elastic force pressing plate and the slip valve seat.Described valve body is integrated type, and described slip valve seat front-end face is provided with poly-tetrafluoro annular sealing surface 14, and its cylindrical is provided with seal groove 5 and is equipped with O-ring seals 10.Described bonnet is mainly adjusted gland 6, goes up sealing clamp 7 and is gone up sealing bouncing plate 8 by last sealing and is arranged in order and constitutes, on seal bouncing plate and seal ring 9 crimping that place the valve body upper end.Gland is adjusted in described upward sealing and the valve body upper end-hole is spirally connected.Described bouncing plate quantity is the 1-4 sheet, and its shape ringwise.
Working principle: vertically adjust by the screw buckle of adjusting between cover and the valve body, promote elastic component in succession by the elastic force pressing plate again by adjusting cover promotion elastic force pressing plate, by the terminal flip sleeve that promotes of elastic component, flip sleeve studs with organic sealing material near the spool end and spool is close to the effect of playing sealing again.
Original spool and valve rod unsteady combined transform spool as and valve rod becomes one, solve spool and valve rod connecting part and cause through using wearing and tearing that the gap is strengthened, keying is inaccurate, and frequently open, close the problem that causes valve rod and spool to come off.Increase stationary axle in the spheroid lower end, overcome that the existing ubiquitous unlatching moment of torsion of ball valve is big, Sealing is easy to wear or by the major defect of spheroid through hole edge cuts damage.Wearing and tearing make ball valve when opening, not need too big moment of torsion, even also can be compensated to spheroid by the compensation mechanism at two ends.
Adopt the ball valve body overall structure, solve in the valve body problems such as mouthful burn into seepage.
Two-way automatic compensator has changed the mode that conventional ball valve is adjusted with sealing in carrying out with the method for increase and decrease spacer thickness between two-part valve body, realizes the purpose of little space high elasticity through the bouncing plate assembly of particular design.Can be compensated automatically after sealing material is worn, the pressure at sealing position puts forth effort forever to remain on the effect within the 9.8-10Mpa scope.Carry out the destructive test contrast through bi-directional adjustable automatic compensating ball valve and ordinary ball valve, the bi-directional adjustable automatic compensating ball valve surpasses ordinary ball valve working life working life more than 50 times.
Bi-directional adjustable automatic compensating ball valve advanced feature characteristics and ordinary ball valve contrast one, bi-directional adjustable automatic compensating ball valve 1. spheroid two ends are provided with bidirectional balanced automatic compensator.Spheroid or sealing material are worn, and the back is two-way obtains automatic Compensation Regulation, and its sealing surface pressure forever remains on the 9.8-10MPa scope.Solved the split valve body and once adjusted sealing, the wearing and tearing back produces the internal leak problem.
2. valve body is an integrated type.Having solved the very easily aging or corrosion of branch body structure connecting part pad mouthful oozes, leaks and cause environmental pollution problems in taking place.
3. spheroid and valve rod are integrated type.Having solved former club floating junction closes through strengthening, open and close inaccurate with wearing clearance or causing the problem that comes off.
4. valve stem seal is an automatic compensator.After the sealing material wearing and tearing, it is non-leakage in the 5.8-6MPa pressure range that its sealing surface forever keeps.Solved the disposable adjustment of sealing, wearing and tearing, seepage cause environmental pollution problem.
5. increase stationary axle and pressure bearing in the spheroid lower end.Keying under high pressure reduces sealing position impact force, and the protection seal arrangement reduces to open moment of torsion.
Two, other ball valves 1. come disposable adjustment ball seal pressure by the two halves valve body with increase and decrease connecting part pad thickness.
2. two halves valve body connecting part pad is easily aging, uses pad easily by the erosion seepage in high corrosive environment.
3. spheroid and valve rod split, connecting part wearing and tearing or corrosion back produce the problem not in place or that come off that opens and closes.
4. valve stem seal is once adjusted, and seepage promptly takes place after the wearing and tearing.
The above only is preferred embodiment of the present utility model, is not structure of the present utility model is done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. bi-directional adjustable automatic compensating ball valve, comprise valve body, be installed in spheroid and bonnet in the valve flowing channel by valve rod, it is characterized in that: described valve rod and spool spheroid are integrated type, the spheroid bottom increases stationary axle and is connected with valve body by bearing, two-port at valve flowing channel is symmetrical arranged the sealing automatic compensator, described sealing automatic compensator is mainly by adjusting cover, the elastic force pressing plate, bouncing plate and slip valve seat are arranged in order formation, described slip valve seat and spheroid touch, described adjustment cover and valve body are spirally connected, and bouncing plate places between elastic force pressing plate and the slip valve seat.
2. bi-directional adjustable automatic compensating ball valve according to claim 1 is characterized in that: described valve body is integrated type, and described slip valve seat front-end face is provided with poly-tetrafluoro annular sealing surface, and its cylindrical is provided with seal groove and is equipped with O-ring seals.
3. bi-directional adjustable automatic compensating ball valve according to claim 1 is characterized in that: described bonnet is mainly adjusted gland, goes up sealing clamp and is gone up the sealing bouncing plate by last sealing and is arranged in order and constitutes, and describedly goes up that gland is adjusted in sealing and the valve body upper end-hole is spirally connected.
4. bi-directional adjustable automatic compensating ball valve according to claim 1 is characterized in that: described bouncing plate quantity is the 1-4 sheet, and its shape ringwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201781763U CN201651398U (en) | 2010-05-04 | 2010-05-04 | Bidirectional adjustable automatic compensation spherical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201781763U CN201651398U (en) | 2010-05-04 | 2010-05-04 | Bidirectional adjustable automatic compensation spherical valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651398U true CN201651398U (en) | 2010-11-24 |
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ID=43116635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201781763U Expired - Fee Related CN201651398U (en) | 2010-05-04 | 2010-05-04 | Bidirectional adjustable automatic compensation spherical valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651398U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401148A (en) * | 2011-11-17 | 2012-04-04 | 浙江凯瑞特阀业有限公司 | Adjustable float ball valve |
| CN102943893A (en) * | 2012-11-16 | 2013-02-27 | 镇江市华阳机电制造有限公司 | Connecting rod ball valve with filler automatic compensation function |
| CN104235413A (en) * | 2013-06-20 | 2014-12-24 | 氟络塞尔特种阀门(苏州)有限公司 | Ball valve |
-
2010
- 2010-05-04 CN CN2010201781763U patent/CN201651398U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401148A (en) * | 2011-11-17 | 2012-04-04 | 浙江凯瑞特阀业有限公司 | Adjustable float ball valve |
| CN102943893A (en) * | 2012-11-16 | 2013-02-27 | 镇江市华阳机电制造有限公司 | Connecting rod ball valve with filler automatic compensation function |
| CN104235413A (en) * | 2013-06-20 | 2014-12-24 | 氟络塞尔特种阀门(苏州)有限公司 | Ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130504 |