CN203363267U - Low-torque non-wear fixed ball valve - Google Patents
Low-torque non-wear fixed ball valve Download PDFInfo
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- CN203363267U CN203363267U CN 201320456935 CN201320456935U CN203363267U CN 203363267 U CN203363267 U CN 203363267U CN 201320456935 CN201320456935 CN 201320456935 CN 201320456935 U CN201320456935 U CN 201320456935U CN 203363267 U CN203363267 U CN 203363267U
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Abstract
The utility model discloses a low-torque non-wear fixed ball valve. The low-torque non-wear fixed ball valve comprises a valve body, an auxiliary valve body, a valve cover, a ball body with circulation, an upper valve rod, a lower valve rod and a valve seat, wherein springs and plungers are sequentially installed in a plurality of unfair holes which are circumferentially arranged outside the valve seat, the outer sides of the plungers are connected with a force transferring plate, and the outer side of the force transferring plate is provided with a plurality of sets of pressure propulsion devices which are circumferentially arranged and installed on the auxiliary valve body. When the valve is opened, firstly pressure relief needs to be carried out on a pressure chamber, and then the valve rods drive the ball body to carry out 90-degree rotation towards the opening direction through a driving device to complete the opening; when the valve is closed, the ball body is rotated by 90 degrees towards the direction opposite to the opening direction, and then the pressure propulsion devices can be pressurized through a hydraulic transmission system to produce sealing specific pressure between the ball body and the valve seat so as to achieve sealing; a pressure self-locking sealing device is adopted as a sealing way between the valve seat and the valve body, and a spiral lifting rod device is additionally arranged for propulsion and compression, so that a sealing effect is ensured. The low-torque non-wear fixed ball valve is simple in structure and obvious in effect, and can complete the operation under the conditions of low torque and no wear; when a medium is at high temperature and high pressure, an attemperator is arranged between a threaded sealing ring pressing sleeve and a hydraulic system, so that the performance of the fixed ball valve is greatly improved, and the lifetime of the fixed ball valve is greatly prolonged.
Description
Technical field
The utility model relates to a kind of valve, particularly relates to a kind of low moment of torsion without the wearing and tearing fixing ball valve.
Background technique
Ball valve is a kind of valve of the spheroid of runner as closure member that have, the advantages such as it is little that it has flow resistance, do not destroy the fluid shape, and switch is convenient, but the wearing and tearing that produce when switch between spheroid and valve seat are also current a great problems, and it has seriously affected the spreadable life of valve.The researcher of valve industry has also done a large amount of work for this reason, as publish Chemical Industry Press in March, 2010 [113 pages of " valve and drive unit technical manual " books that English J (Brian Nesbitt) writes, Zhang Qingshuan etc. translates are introduced---orbit ball valve, this ball valve is spherical pendulum demetalization valve seat when opening, although this ball valve is without wearing and tearing, but runner is jagged, fluid can produce vortex, in harsh working environment as: Heisui River, mortar etc., this valve easily produces the phenomenons such as fouling, stifled resistance, directly affects the usability of ball valve.Chinese invention patent 201010295018.0 disclosed a kind of " the adjustable fixing ball valve of interior seal pressure " and for example, although this invention is not in the situation that destroy the fluid shape, can externally to the seal pressure between seal element in ball valve body, reasonably regulate, can play and reduce wear, prevent that jam, noise are low, it is little to vibrate, improve the effect of Safety performance, but operate during ball valve switch or having under the state of wearing and tearing, regulative mode is more loaded down with trivial details, and automaticity is lower.
The model utility content
Being of this order model utility overcomes the prior art deficiency, provides a kind of low moment of torsion without the wearing and tearing fixing ball valve.
In order to achieve the above object, the technical solution adopted in the utility model is such: a kind of without the wearing and tearing fixing ball valve, it comprises valve body, auxiliary valve body, valve gap, spheroid with runner, dunnage, upper valve rod, lower valve rod, valve seat, auxiliary-seat, several of its valve seat outside are in the blind hole of circumferential arrangement spring are installed successively, plunger, the outside and the force transmitting board of plunger join, and the outside of described force transmitting board has number cover and is circumferential arrangement and is arranged on the piston on auxiliary valve body, sealed loop-pad, the pressure advancing means that seal ring and thread seal circle gland form, force transmitting board also joins with piston wherein, and the valve seat Packing seat with part circular cone is installed between the cylindrical of described valve seat and the step hole of valve body and auxiliary valve body from inside to outside successively, have valve seat filler and the valve seat Gland of part hole class circular cone, what they formed is pressure self-tightening sealing device, the outside of described valve seat Gland have number cover be circumferential arrangement be arranged on auxiliary valve body by the spiral lifting bar, the spiral lifting lever arrangement that lifting bar filler and screw thread filler pressing sleeve form, and join with spiral lifting bar wherein.
Described piston has thick round bar part and thin round bar part, shoulder and the sealed loop-pad of its thick round bar join, its thin round bar matches with the endoporus of sealed loop-pad, seal ring and thread seal circle gland, the outside thread of thread seal circle gland screws mutually with the screw on auxiliary-seat, guarantee sealing with the press seal circle, make piston there is motive sealing advance and retreat performance.
Described thread seal circle gland has the mesopore pressure chamber, and can connect with hydraulic system.
When described flowing medium is high temperature, high pressure, liquid in hydraulic system is along with the rising of temperature, the reduced viscosity of liquid, affect the working stability of hydraulic system, so the desuperheater that possesses the pressure propulsion functions is installed between pressure advancing means and hydraulic system, its piston joins with the track bar that possesses the desuperheater of pressure propulsion functions, and the fittings body phase of thread seal gland and the decompression temperature device that possesses the pressure propulsion functions in succession.
Spiral lifting bar in described spiral lifting lever arrangement has screw portion and screws mutually with the screw of screw thread filler pressing sleeve, also having the round bar part matches with the lifting bar filler, the outside thread that the screw thread filler pressing sleeve has screws mutually with the screw on auxiliary valve body, to compress the lifting bar filler, make the spiral lifting bar there is the performance of motive sealing precession.
The beneficial effects of the utility model are:
When 1, the low moment of torsion of the utility model is without wearing and tearing fixing ball valve switch. between spheroid and valve seat, be low friction without wearing and tearing under relative rotation, thoroughly changed conventional ball valve and transferred switch and the heavy wear that causes at the sealing load backspin.
2, the low moment of torsion of the utility model is very little without the open and close torque of wearing and tearing fixing ball valve, without the jam phenomenon, occurs.
3, the low moment of torsion of the utility model, without the sealing between wearing and tearing fixing ball valve spheroid and valve seat, adopts the pressure of hydraulic system to carry out the driving pressure advancing means, and sealability is guaranteed reliably.
4, the low moment of torsion of the utility model, without the valve seat packing seal of wearing and tearing fixing ball valve, adopts the self-fastening pressure sealing configuration to add the spiral lifting bar and advances compression, and high-end sealing material is effectively utilized, and guarantees sealing effect.
5, the low moment of torsion of the utility model was greatly improved without the spreadable life of wearing and tearing fixing ball valve.
6, the low moment of torsion of the utility model is without the desuperheater of wearing and tearing fixing ball valve standby pressure propulsion functions of tool for mounting on the pressure advancing means, and its usability and Applicable scope are improved and enlarge.
7, the low moment of torsion of the utility model is easier to realize automation and telecontrol without the structure of wearing and tearing fixing ball valve.
8, the low moment of torsion of the utility model is without the simple in structure, easily manufactured of fixing ball valve of wearing and tearing, and component can be selected suitable material manufacture according to the parameter of flowing medium in pipe-line system, can be applicable to fluid and the environment of various harshnesses.
9, the low moment of torsion of the utility model can be identical with fluid line without the flow channel shape of wearing and tearing fixing ball valve, without distortion, non-notch, do not destroy fluid shape, absence of vortices district, noise low, vibrate little, so energy loss is less.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of low moment of torsion provided by the utility model without the wearing and tearing fixing ball valve.
Fig. 2 is the opening state of a kind of low moment of torsion provided by the utility model without the wearing and tearing fixing ball valve, the structural representation of the related components of pressure chamber without pressure the time.
Fig. 3 is the closed condition of a kind of low moment of torsion provided by the utility model without the wearing and tearing fixing ball valve, the structural representation of the related components of pressure chamber when pressure is arranged.
Fig. 4 is that self-fastening pressure closely packed of the present utility model is put the structural representation that adds the spiral lifting lever arrangement.
Fig. 5 is the schematic diagram of low moment of torsion provided by the utility model without another embodiment of wearing and tearing fixing ball valve.
1. valve bodies in figure, 2. auxiliary valve body, 3. valve gap, 4. spheroid, 5. valve seat, 6. spring, 7. plunger, 8. force transmitting board, 9. piston, 10. seal ring, 11. thread seal circle glands, 12. have the valve seat filler packing ring of part circular cone, 13. there is the valve seat filler of part hole class circular cone, 14. valve seat Glands, 15. spiral lifting bars, 16. lifting bar fillers, 17. the screw thread filler pressing sleeve, 18. auxiliary-seats, 19. dunnages, 20. upper valve rods, 21. lower valve rod, 22. pressure chambers, 23. sealed loop-pads.24. there is the desuperheater of pressure propulsion functions, 25. track bars, 26. fittings bodies.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Low moment of torsion as shown in Figure 1 is without the wearing and tearing fixing ball valve, it comprises valve body 1, the both sides of valve body 1 are respectively static seal auxiliary valve body 2 and valve gap 3 are installed, the lumen of valve body 1 is installed the spheroid 4 with runner, the both sides of spheroid 4 are separately installed with valve seat 5 and auxiliary-seat 18, the upper and lower end of spheroid 4 matches with upper valve rod 20, lower valve rod 21 respectively, on the upper and lower shoulder of spheroid 4, dunnage 19 is installed, and upper valve rod 20 matches with drive unit.
As shown in Figure 2, the outside of described valve seat 5 has in several the blind holes that are circumferential arrangement and is equipped with spring 6, plunger 7, the outside of plunger 7 and force transmitting board 8 join, the outside of force transmitting board 8 have number cover be circumferential arrangement be arranged on auxiliary valve body 2 by piston 9, sealed loop-pad 23, seal ring 10, the pressure advancing means that thread seal circle gland 11 forms, the outside of force transmitting board 8 and piston 9 join, described piston 9 has thick round bar part and thin round bar part, shoulder plane and the sealed loop-pad 23 of its thick bar part join, its thin round bar part and sealed loop-pad 23, the endoporus of seal ring 10 and thread seal circle gland 11 matches, and make piston 9 and seal ring 10 be the motive sealing cooperation screwing under pressure of thread seal circle gland 11, having pressure chamber's 22 thread seal circle glands 11 is connected with hydraulic system.
It is described when after the hydraulic system release, pressure chamber 22 is without pressure, the deformation-energy of spring 6 is in releasing state, its plunger 7, the position of force transmitting board 8 and piston 9 is all at initial position, seal pressure between spheroid 4 and valve seat 5 gives the formed seal pressure of pretightening force of spring 6 while only depending on design, the present invention does all under very little seal pressure, to rotate between the spheroid 4 of 90 ° of rotations and valve seat 5 when switch thus, said without wearing and tearing, the less friction of Guan Shiyou of explaining clearly exactly, its less frictional force is in order to strike off the dirt on spheroid 4, but it is very little to wear and tear.
As shown in Figure 3, when hydraulic system during to pressure chamber's 22 supercharging, piston 9 inwardly promote force transmitting board 8 and plunger 7 simultaneously to intrinsic displacement pressuring spring 6 produce energy of deformation and promote valve seat 5 and spheroid 4 between sealing surface produce seal pressure, more the high sealing specific pressure is larger for pressure in pressure chamber 22, determines as required the pressure size of pressure chamber 22.
As shown in Figures 2 and 3, low moment of torsion without the operating process of wearing and tearing fixing ball valve is: (valve is by pass---open) opens front pressure chamber 22 must first release, and then make valve rod 20 drive spheroid 4 towards 90 ° of rotations of opening direction do by drive unit, the runner of the runner of spheroid 4 and valve seat 5 connects and opens, (valve is by opening---close) when while closing, drive unit makes valve rod 20 drive spheroid 4 towards unlatching, contrary direction is done 90 ° of rotations, the runner of the sphere of spheroid 4 and valve seat 5 is in the closed position, then can be by hydraulic system to pressure chamber's 22 superchargings, make to produce seal pressure between the sealing surface of valve seat 5 and spheroid 4, reach the effect of sealing.
As shown in Figure 4, between the step hole of low moment of torsion without the valve seat 5 of wearing and tearing fixing ball valve and valve body 1, be equipped with successively from inside to outside: there is the valve seat Packing seat 12 of part circular cone, the valve seat filler 13 with part hole class circular cone and valve seat Gland 14, the inner side surface of the step hole of the outside of described valve seat Gland 14 and auxiliary valve body 2 joins, the mutual cooperation of above-mentioned part forms a pressure self-tightening sealing device, and the outside of described valve seat Gland 14 also and be installed on auxiliary valve body 2 spiral lifting bar 15 in several the spiral lifting lever arrangement that are circumferential arrangement and join.
Described spiral lifting lever arrangement is that the outside by auxiliary valve body 2 has the number cover and is step hole and screw circumferential arrangement and on same axis, lifting bar filler 16 is installed in its step hole, screw thread filler pressing sleeve 17 is installed in screw, screw thread filler pressing sleeve 17 has screw and screws mutually with the outside thread of spiral lifting bar 15, the endoporus that described spiral lifting bar 15 also has round bar part and screw thread filler pressing sleeve 17 and a lifting bar filler 16 matches to merge through auxiliary valve body 2 and force transmitting board 8 and joins with the outside of valve seat Gland 14, can compress lifting bar filler 16 by rotation screw thread filler pressing sleeve 17, spiral lifting bar 15 has motive sealing advance and retreat performance.
The function of described pressure self-tightening sealing device and spiral lifting lever arrangement is: pressure self-tightening sealing device has used the principle of wedge slot supercharging, in valve pocket, higher its sealability of hydrodynamic pressure is better, but in order to prevent that uncertain factor from occurring, when sealing does not reach while requiring, can promote valve seat Gland 14 at auxiliary valve body 2 inner rotary spiral lifting bars 15 and compress the valve seat filler 13 with part hole class circular cone, make to be sealed reliably between valve seat 5 and valve body 1.
Fig. 5 be the low moment of torsion of the utility model without the wearing and tearing fixing ball valve at high temperature, while moving in high-pressure liquid pipeline system, because the liquid medium in hydraulic system is more responsive to temperature variation, rising reduced viscosity along with temperature, affect the working stability of hydraulic system, so the utility model is installed the desuperheater 24 with pressure propulsion functions between pressure advancing means and hydraulic system, piston 9 in the pressure advancing means joins with the track bar 25 in the desuperheater 24 with pressure propulsion functions, the fittings body 26 of thread seal circle gland 11 and the desuperheater with pressure propulsion functions is connected, the desuperheater 24 that there is the pressure propulsion functions by installation, can make as working medium, to come the fluid temperature of transferring energy to be controlled in the effective temperature scope in hydraulic system.
As shown in Figure 1, the low moment of torsion of the utility model is the sealing of spheroid rear valve base without spheroid 4 and the seal form between valve seat 5 of wearing and tearing fixing ball valve, and is metal hard-sealing.
As shown in Figures 1 to 4, the low moment of torsion of the utility model is without the wearing and tearing fixing ball valve, and described low moment of torsion is because the good effect reached in the minimizing that acts on the total force on sealing surface and surface friction drag between spheroid 4 and valve seat 5.
In drive unit, the hydraulic system described in the files such as specification and there is the desuperheater of pressing propulsion functions and do functional introduction at this and be not described in detail, described " joining " word can be interpreted as " contact " or " connect and touch " between component, described " interior " " outward " is relative concept in addition, when relating to the axial direction of Same Part, take spheroid 4 as benchmark, direction or the approximated position of take towards or approaching spheroid 4 are " interior ", otherwise are " outward ".
Described pressure advancing means and spiral lifting lever arrangement are interval and are installed on auxiliary valve body 2 on same circumference.
Claims (6)
1. a low moment of torsion is without the wearing and tearing fixing ball valve, and it comprises valve body (1), auxiliary valve body (2), valve gap (3), spheroid (4), dunnage (19), upper valve rod (20), lower valve rod (21), valve seat (5), auxiliary-seat (18), valve seat (5) external number only is in the blind hole of circumferential arrangement spring (6) is installed successively, plunger (7), the outside of plunger (7) and force transmitting board (8) join, and it is characterized in that: the outside of force transmitting board (8) have number cover be circumferential arrangement be arranged on auxiliary valve body (2) by piston (9), sealed loop-pad (23), the pressure advancing means that seal ring (10) and thread seal circle gland (11) form, the outside of force transmitting board (8) and piston (9) join, and between the step hole of the cylindrical of described valve seat (5) and valve body (1) and auxiliary valve body (2), install from inside to outside by the valve seat filler packing ring (12) with part circular cone, what have that the valve seat filler (13) of part hole class circular cone and valve seat Gland (14) form is pressure self-tightening sealing device, the inner side surface of step hole joins in the outside of valve seat Gland (14) and auxiliary valve body (2), the outside of described valve seat Gland (14) have the number cover be circumferential arrangement be arranged on auxiliary valve body (2) by spiral lifting bar (15), the spiral lifting lever arrangement that lifting bar filler (16) and screw thread filler pressing sleeve (17) form, the outside of valve seat Gland (14) and spiral lifting bar (15) join.
2. low moment of torsion according to claim 1 is without the wearing and tearing fixing ball valve, it is characterized in that: described piston (9) has thick round bar part and thin round bar part, the shoulder in its thick round bar part outside and the interior edge face of sealed loop-pad (23) join, its thin round bar part matches with the endoporus of sealed loop-pad (23), seal ring (10) and thread seal circle gland (11), the outside thread of thread seal circle gland (11) screws mutually with the screw on auxiliary-seat (2), with press seal circle (10), make piston (9) there is the motive sealing propulsive performance.
3. low moment of torsion according to claim 2 is without the wearing and tearing fixing ball valve, and it is characterized in that: the mesopore of described thread seal circle gland (11) has pressure chamber (22), and can be connected with hydraulic system.
According to the described low moment of torsion of claims 1 to 3 without wearing and tearing fixing ball valve, it is characterized in that: when fluid is high temperature, high-pressure medium, desuperheater (24) with pressure propulsion functions is installed between described pressure pushing device and hydraulic system, its piston (9) joins with track bar (25), and thread seal circle gland (11) is connected with fittings body (26).
5. low moment of torsion according to claim 1 is without the wearing and tearing fixing ball valve, it is characterized in that: the spiral lifting bar (15) in the spiral lifting lever arrangement has screw portion and screws mutually with the screw of screw thread filler pressing sleeve (17), also having the round bar part on coaxial matches with the endoporus of lifting bar filler (16), screw thread filler pressing sleeve (17), screw thread filler pressing sleeve (17) has outside thread and screws mutually to compress lifting bar filler (16) with the screw on auxiliary valve body (2), makes spiral lifting bar (15) have the motive sealing performance.
6. low moment of torsion according to claim 1, without the wearing and tearing fixing ball valve, is characterized in that: the seal form between spheroid (4) and valve seat (5) is the sealing of spheroid rear valve base, and is metal hard-sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320456935 CN203363267U (en) | 2013-07-23 | 2013-07-23 | Low-torque non-wear fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320456935 CN203363267U (en) | 2013-07-23 | 2013-07-23 | Low-torque non-wear fixed ball valve |
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| Publication Number | Publication Date |
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| CN203363267U true CN203363267U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320456935 Expired - Fee Related CN203363267U (en) | 2013-07-23 | 2013-07-23 | Low-torque non-wear fixed ball valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363147A (en) * | 2013-07-23 | 2013-10-23 | 郝思宏 | Non-wear fixed ball valve with low torque |
| CN104295762A (en) * | 2014-05-20 | 2015-01-21 | 郝思宏 | Low-torque enforced sealing type fixing ball valve |
| CN109488782A (en) * | 2018-12-07 | 2019-03-19 | 超达阀门集团股份有限公司 | A kind of valve seat sealing mechanism of upper dress formula fixed valve and fixing ball valve it is suitable for worst cold case |
| CN110553056A (en) * | 2019-09-30 | 2019-12-10 | 青田超越阀门有限公司 | Spherical bidirectional high-performance rotary valve |
-
2013
- 2013-07-23 CN CN 201320456935 patent/CN203363267U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363147A (en) * | 2013-07-23 | 2013-10-23 | 郝思宏 | Non-wear fixed ball valve with low torque |
| CN104295762A (en) * | 2014-05-20 | 2015-01-21 | 郝思宏 | Low-torque enforced sealing type fixing ball valve |
| CN104295762B (en) * | 2014-05-20 | 2017-01-11 | 郝思宏 | Low-torque enforced sealing type fixing ball valve |
| CN109488782A (en) * | 2018-12-07 | 2019-03-19 | 超达阀门集团股份有限公司 | A kind of valve seat sealing mechanism of upper dress formula fixed valve and fixing ball valve it is suitable for worst cold case |
| CN109488782B (en) * | 2018-12-07 | 2024-03-12 | 超达阀门集团股份有限公司 | Valve seat sealing mechanism of upper-mounted fixed valve and fixed ball valve applicable to low-temperature working condition |
| CN110553056A (en) * | 2019-09-30 | 2019-12-10 | 青田超越阀门有限公司 | Spherical bidirectional high-performance rotary valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU TRIDE AEROSPACE VALVE CO., LTD. Free format text: FORMER OWNER: HAO SIHONG Effective date: 20150114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 224005 YANCHENG, JIANGSU PROVINCE TO: 224700 YANCHENG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150114 Address after: 224700, Jianhu County, Jiangsu Province Economic Development Zone, Road No. 8 Patentee after: Jiangsu Tride Aerospace Valve Co., Ltd. Address before: 401, room 52, 224005 Salt Road, Jiangsu, Yancheng City Patentee before: Hao Sihong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20190723 |