CN110925455B - A high and low temperature adaptive PEEK valve seat - Google Patents
A high and low temperature adaptive PEEK valve seat Download PDFInfo
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- CN110925455B CN110925455B CN201911407872.9A CN201911407872A CN110925455B CN 110925455 B CN110925455 B CN 110925455B CN 201911407872 A CN201911407872 A CN 201911407872A CN 110925455 B CN110925455 B CN 110925455B
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- 239000004696 Poly ether ether ketone Substances 0.000 title claims abstract description 27
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229920002530 polyetherether ketone Polymers 0.000 title claims abstract description 27
- 230000003044 adaptive effect Effects 0.000 title description 4
- 238000007789 sealing Methods 0.000 claims abstract description 158
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 239000005060 rubber Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 37
- 239000007788 liquid Substances 0.000 abstract description 13
- 239000003921 oil Substances 0.000 description 108
- 239000010720 hydraulic oil Substances 0.000 description 16
- 238000005299 abrasion Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/205—Sealing effected by the flowing medium
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
本发明公开了一种高低温自适应的PEEK阀座，包括支撑组件、密封组件、注油组件、调节组件，所述密封组件有两处，所述密封组件、注油组件、调节组件均固定安装在支撑组件内部，所述密封组件固定安装在支撑组件一端内部，所述密封组件中部固定连接有注油组件，所述密封组件一端固定安装有调节组件，本发明科学合理，使用安全方便，两处密封组件的设计加强了对外界阀球的密封效果与密封灵活性，调节组件可对密封组件的密封力度进行调节，在液体温度或环境温度不同的情况下，密封组件利用强力弹簧的弹力，使密封圈可不受随着阀球的体积变化的影响，能够一直贴合在阀球上起到密封效果，使本装置具有高低温自适应的性能。
The invention discloses a high-low temperature self-adaptive PEEK valve seat, which includes a support component, a sealing component, an oil injection component and an adjustment component. The sealing component has two parts, and the sealing component, the oil injection component and the adjustment component are all fixedly installed in Inside the support assembly, the seal assembly is fixedly installed inside one end of the support assembly, the oil injection assembly is fixedly connected to the middle of the seal assembly, and the adjustment assembly is fixedly installed at one end of the seal assembly. The invention is scientific and reasonable, safe and convenient to use, and has two seals. The design of the component enhances the sealing effect and flexibility of the external valve ball. The adjustment component can adjust the sealing strength of the sealing component. When the liquid temperature or ambient temperature is different, the sealing component uses the elastic force of the strong spring to make the sealing The ring is not affected by the volume change of the valve ball, and can always fit on the valve ball to play a sealing effect, so that the device has the performance of high and low temperature self-adaptation.
Description
Technical Field
The invention relates to the technical field of valve seats, in particular to a high-low temperature self-adaptive PEEK valve seat.
Background
The disk seat is sealing device in the valve, can dismantle the face part in the valve, a position is closed entirely for supporting the case, and constitute sealed vice, general disk seat diameter is the valve biggest circulation diameter promptly, the disk seat material of butterfly valve for example is very extensive, all kinds of rubber, plastics, metal material all can regard as the disk seat material, it is relatively poor to the sealed flexibility of valve ball among the prior art, in case the disk seat damages, the valve will lose sealed effect, the valve body can produce and reveal, under the different circumstances of liquid temperature or ambient temperature, current disk seat can lead to the sealed effect variation to the valve ball because of expend with heat and contract with cold, lack the performance of high low temperature self-adaptation, so people need the PEEK disk seat of a high low temperature self-adaptation to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a high-low temperature self-adaptive PEEK valve seat to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-low temperature self-adaptive PEEK valve seat comprises two sealing components, a sealing component, an oiling component and an adjusting component, wherein the sealing components are designed to enhance the sealing effect and the sealing flexibility of an external valve ball, when one sealing component is damaged, the other sealing component can continuously maintain the sealing effect to prevent the valve body from leaking, the supporting component plays a role of supporting a whole set of device and also plays a role of connecting with the valve body, the valve seat is fixed on the valve body through the supporting component to achieve the stabilizing effect in the using process of the device, the sealing component plays a role of sealing the external valve ball, so that liquid flowing through a ball valve cannot leak from the valve ball, the waste of resources is avoided, the influence on the normal liquid flow is avoided, the oiling component plays a role of adding oil into an oil path of the sealing component, do benefit to and carry out periodic maintenance to this device, adjusting part's effect is adjusted sealing force to sealing component, and suitable dynamics is applyed to the valve ball according to the in service behavior to the sealing component of being convenient for, and it is too big to avoid the too big wearing and tearing that produce the ball valve and open and close, avoids causing the sealing force undersize because of the sealing washer wearing and tearing back, and then produces sealed not tight phenomenon, avoids influencing the normal liquid flow of ball valve rear end pipeline, the equal fixed mounting of sealing component, oiling subassembly, adjusting part is inside supporting component.
The supporting component comprises a valve ring and an outer connecting ring, the valve ring plays a supporting role for the device, the sealing component, the adjusting component and the oil injection component of the device are fixedly installed inside the valve ring, the outer connecting ring plays a role in being connected with the pipeline, the outer connecting ring is in nested fit with the pipeline, and the effect of intercommunication between the valve seat and the flow path where the valve seat is located is achieved.
The sealing component comprises a sealing ring, a fixing block, a first connecting ring, a first oil plug, an internal oil circuit, a second oil plug, a top ring, a second connecting ring and an adjusting knob, the sealing ring is fixedly installed inside one end of the valve ring, one end of the sealing ring protrudes out of the outer surface of the valve ring, the sealing ring is in direct contact with an external valve ball to play a role in sealing, the end, far away from the valve ball, of the sealing ring is fixedly installed with the fixing block, the sealing ring is in interference fit with the fixing block, the fixing block is convenient to wear and replace the sealing ring in the later period, the phenomenon that the sealing ring cannot be replaced due to the fact that the sealing ring cannot be disassembled is avoided, the replaceable sealing ring is beneficial to recycling of the device, the end, far away from the sealing ring, of the fixing block is fixedly installed with the first connecting ring, the width of the first connecting ring is smaller than that of the fixing block, and the first connecting ring can conveniently enter the internal oil circuit through one end of the internal oil circuit, the width of the first connecting ring is small, the sealing effect of an internal oil way is facilitated, a first oil plug is fixedly mounted at one end, far away from the fixing block, of the first connecting ring, the first oil plug is located inside the internal oil way, the outer portion of the first oil plug is made of rubber materials, the sealing effect of the internal oil way is achieved, the hydraulic oil in the internal oil way is prevented from overflowing from an oil way port of the internal oil way, the position of the sealing ring is affected, the sealing ring cannot effectively seal an external valve ball, the end, far away from the first connecting ring, of the first oil plug is provided with the internal oil way, the first oil plug is located inside the internal oil way, the internal oil way is filled with the hydraulic oil, a second oil plug is mounted inside one end, far away from the first oil plug, of the internal oil way is made of rubber materials, the second oil plug plays a role in sealing the internal hydraulic oil, and a strong spring is fixedly mounted at one end, far away from the first oil plug, of the second oil plug, the end, far away from the second oil plug, of the powerful spring is fixedly provided with a top ring, the top ring plays a role in stabilizing the second oil plug, the second oil plug is prevented from continuously moving towards a direction far away from the sealing ring under the pressure of hydraulic oil, so that the sealing ring loses the sealing effect on an external valve ball, one end, far away from the second oil plug, of the top ring is provided with a plurality of second connecting rings, the second connecting rings can move back and forth along the direction of an oil path where the second oil plug is located, the second connecting rings generate pressure on the top ring, so that the position of the second oil plug in an internal oil path is changed, the pressure of the sealing ring on the external valve ball is changed, the sealing pressure of the sealing ring on the external valve ball is adjustable, the adjustable effect can avoid the phenomenon that the sealing ring has overlarge pressure on the valve ball, the abrasion of the sealing ring can be accelerated by the rotation of the valve ball, and the side wall of the second connecting rings is provided with threads, the second linking ring is fixedly installed inside the valve ring through threads, the effect of moving back and forth along the direction of an oil path where the second oil plug is located can be achieved by rotating the second linking ring, an adjusting knob is fixedly installed on one side, away from the top ring, of the second linking ring, the adjusting knob plays a role in assisting the second linking ring to rotate, so that an operator can achieve the effect of rotating the second linking ring through the adjusting knob from the outside of the device, and the operation is convenient.
The adjusting knob comprises a knob base, an auxiliary knob, an auxiliary strip, a friction groove, a sliding block, a sliding groove and a stop block, one end, far away from the top ring, of the second connecting ring is fixedly connected with the knob base, a slotted hole is formed in the upper end of the knob base, the sliding groove is formed in the inner side wall of the knob base, the stop block is fixedly mounted at the top end of the sliding groove, the sliding block can slide back and forth in the sliding groove, the auxiliary knob can slide out of the knob base, when the auxiliary knob slides out of the knob base, the top end of the auxiliary knob is exposed out of the device, an operator can conveniently rotate the auxiliary knob through the auxiliary strip and the friction groove to further drive the knob base to rotate, the knob base further drives the second connecting ring to rotate, the second connecting ring rotates to generate thrust or pulling force on the top ring, then the position of the second oil plug is changed, and the second oil plug pushes or pulls the first oil plug through hydraulic oil, the force that first oil plug received transmits for first linking ring, fixed block, sealing washer in proper order, and the sealing washer has produced the change to the pressure of valve ball at last, fixed mounting has supplementary knob in the slotted hole of knob base, supplementary knob bottom both sides fixed mounting has the slider, the slider is located the spout, supplementary knob top fixed mounting has supplementary strip, supplementary strip is convenient for operating personnel to hold between the fingers the wrench movement, plays the effect of supplementary rotatory supplementary knob, the friction groove has been seted up on the supplementary strip, the friction groove plays the effect of increase friction, makes things convenient for the finger to make power.
Inside oil circuit middle part fixed UNICOM has the oil injection way, the oil injection way is convenient for this device and the external exchange that carries out hydraulic oil, can change oil operation, it has the screw stopper to annotate oil circuit one end fixed mounting to keep away from inside oil circuit, screw stopper bottom fixed mounting has the rubber buffer, the oil injection way can be plugged up to the rubber buffer, the oil injection way is annotated to the rotatory twist of screw stopper, makes the rubber buffer be difficult to break away from by oneself inside the oil injection way, and is sealed effectual.
The valve ring is the valve ring of PEEK material, the sealing washer is the sealing washer of PEEK material, and the PEEK material has corrosion-resistant, the strong and wear-resisting characteristics of rigidity, makes this device longe-lived and applicable liquid pipeline that has the corrosivity.
Compared with the prior art, the invention has the beneficial effects that:
the design of the two sealing components of the invention enhances the sealing effect and the sealing flexibility to the external valve ball, when one sealing component is damaged, the other sealing component can continuously maintain the sealing effect to prevent the valve body from leaking, the adjusting component is used for adjusting the sealing force of the sealing component, so that the sealing component can apply proper force to the valve ball according to the use condition, the phenomenon that the abrasion of the opening and closing of the ball valve is too large due to too large sealing force is avoided, the phenomenon that the sealing force is too small due to the abrasion of the sealing ring 21 and the sealing is not tight is avoided, the sealing effect of a common valve seat on the valve ball is deteriorated due to expansion and contraction under the condition of different liquid temperatures or environmental temperatures, and the sealing component of the device utilizes the elasticity of the strong spring to ensure that the sealing ring 21 can not be influenced by the volume change of the valve ball and can be always attached to the valve ball to achieve the sealing effect, the device has the self-adaptive performance of high and low temperature, a strong spring is used, no gap is generated between the valve ball and the sealing ring 21 due to overlarge elasticity, hydraulic oil is used for conducting force, the force of the adjusting assembly is transmitted to the sealing ring 21, and the purpose of adjusting the sealing effect is achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of a high and low temperature adaptive PEEK valve seat of the present invention;
FIG. 2 is a schematic structural diagram of a high-low temperature self-adaptive PEEK valve seat in a main view;
FIG. 3 is a schematic bottom view of a high and low temperature adaptive PEEK valve seat according to the present invention;
FIG. 4 is a schematic structural view of an adjusting knob of a high-low temperature self-adaptive PEEK valve seat according to the present invention;
FIG. 5 is a schematic structural view of an auxiliary knob of a high-low temperature self-adaptive PEEK valve seat according to the present invention;
FIG. 6 is a schematic view of a knob base structure of a high and low temperature self-adaptive PEEK valve seat according to the present invention;
FIG. 7 is a schematic cross-sectional view of a high and low temperature adaptive PEEK valve seat of the present invention installed inside a ball valve.
11. A valve ring; 12. an outer connecting loop; 21. a seal ring; 22. a fixed block; 23. a first adapter ring; 24. a first oil plug; 25. an internal oil passage; 26. a second oil plug; 27. a top ring; 28. a second adapter ring; 29. adjusting a knob; 31. oil injection way; 32. a screw plug; 41. a knob base; 42. an auxiliary knob; 43. an auxiliary bar; 44. a friction groove; 45. a slider; 46. a chute; 47. and blocking the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in figures 1-7, a high and low temperature self-adaptive PEEK valve seat comprises two sealing components, a sealing component, an oiling component and an adjusting component, wherein the sealing component enhances the sealing effect and the sealing flexibility of an external valve ball, when one sealing component is damaged, the other sealing component can continuously maintain the sealing effect to prevent the valve body from leaking, the supporting component plays a role of supporting the whole device and also plays a role of connecting with the valve body, the valve seat is fixed on the valve body through the supporting component to achieve the stabilizing effect in the using process of the device, the sealing component plays a role of sealing the external valve ball, so that liquid flowing through the ball valve cannot leak from the valve ball, the waste of resources is avoided, the influence on the normal liquid flow is avoided, the oiling component plays a role of adding oil into an oil path of the sealing component, the device is beneficial to periodic maintenance, the adjusting component is used for adjusting the sealing force of the sealing component, the sealing component can apply proper force to the valve ball according to the using condition, the excessive abrasion of opening and closing of the ball valve caused by excessive sealing force is avoided, the phenomenon of untight sealing caused by the undersize sealing force after the sealing ring 21 is abraded is avoided, and the normal liquid flow of a pipeline at the rear end of the ball valve is avoided being influenced, the sealing component, the oiling component and the adjusting component are fixedly arranged in the supporting component, the sealing effect of a common valve seat on the valve ball is reduced due to expansion caused by heat and contraction caused by cold under the condition of different liquid temperatures or environment temperatures, the sealing component of the device utilizes the elasticity of a strong spring, so that the sealing ring 21 can not be influenced by the volume change of the valve ball, and can be attached to the valve ball all the time to achieve the sealing effect, the device has the self-adaptive performance of high and low temperature, a strong spring is used, no gap is generated between the valve ball and the sealing ring 21 due to overlarge elasticity, hydraulic oil is used for conducting force, the force of the adjusting assembly is transmitted to the sealing ring 21, and the purpose of adjusting the sealing effect is achieved.
The supporting component comprises a valve ring 11 and an outer connecting ring 12, the valve ring 11 plays a supporting role for the device, the sealing component, the adjusting component and the oil injection component of the device are fixedly installed inside the valve ring 11, the outer connecting ring 12 plays a role in being connected with the pipeline, the outer connecting ring 12 is in nested fit with the pipeline, and the effect of intercommunication between the valve seat and the flow path where the valve seat is located is achieved.
The sealing assembly comprises a sealing ring 21, a fixed block 22, a first connecting ring 23, a first oil plug 24, an internal oil path 25, a second oil plug 26, a top ring 27, a second connecting ring 28 and an adjusting knob 29, wherein the sealing ring 21 is fixedly arranged inside one end of the valve ring 11, one end of the sealing ring 21 protrudes out of the outer surface of the valve ring 11, the sealing ring 21 is in direct contact with an external valve ball to play a sealing role, the fixed block 22 is fixedly arranged at one end, far away from the valve ball, of the sealing ring 21, the sealing ring 21 is in interference fit with the fixed block 22, the fixed block 22 is arranged to facilitate the later-stage abrasion and replacement of the sealing ring 21, the phenomenon that the sealing ring 21 cannot be disassembled and replaced is avoided, the replaceable sealing ring 21 is favorable for recycling of the device, the first connecting ring 23 is fixedly arranged at one end, far away from the sealing ring 21, of the fixed block 22, the width of the first connecting ring 23 is smaller than that of the fixed block 22, and the first connecting ring 23 can conveniently enter the internal oil path 25, the width of the first connecting ring 23 is small, which is beneficial to the sealing effect of the internal oil path 25, the end of the first connecting ring 23 far from the fixed block 22 is fixedly provided with a first oil plug 24, the first oil plug 24 is positioned inside the internal oil path 25, the outer part of the first oil plug 24 is made of rubber, which plays a role in sealing the internal oil path 25, and avoids the hydraulic oil in the internal oil path 25 from overflowing from the oil path port of the internal oil path 25, thereby affecting the position of the sealing ring 21, so that the sealing ring 21 can not effectively seal an external valve ball, the end of the first oil plug 24 far from the first connecting ring 23 is provided with the internal oil path 25, the first oil plug 24 is positioned inside the internal oil path 25, the internal oil path 25 is filled with hydraulic oil, the end of the internal oil path 25 far from the first oil plug 24 is internally provided with a second oil plug 26, the second oil plug 26 is made of rubber, and the second oil plug 26 plays a role in sealing the internal hydraulic oil, a strong spring is fixedly arranged at one end, far away from the first oil plug 24, of the second oil plug 26, a top ring 27 is fixedly arranged at one end, far away from the second oil plug 26, of the strong spring, the top ring 27 plays a role in stabilizing the second oil plug 26, the second oil plug 26 is prevented from continuously moving towards the direction far away from the sealing ring 21 under the pressure of hydraulic oil, further the sealing ring 21 loses the sealing effect on an external valve ball, a second connecting ring 28 is arranged at one end, far away from the second oil plug 26, of the top ring 27, a plurality of second connecting rings 28 are arranged, the second connecting rings 28 can move back and forth along the direction of an oil path where the second oil plug 26 is located, the second connecting ring 28 generates pressure on the top ring 27, further the position of the second oil plug 26 in the internal oil path 25 is changed, the pressure of the sealing ring 21 on the external valve ball is changed along with the position, the sealing pressure of the sealing ring 21 on the external valve ball is enabled to be adjusted, and the adjustable effect can avoid the overlarge pressure of the sealing ring 21 on the valve ball, the valve ball rotates and can accelerate wearing and tearing of sealing washer 21, set up screw thread on the second links up circle 28 lateral wall, second links up circle 28 through screw thread fixed mounting inside valve circle 11, rotatory second links up circle 28 can realize along the effect of second oil plug 26 place oil circuit direction round trip movement, second links up circle 28 and keeps away from top circle 27 one side fixed mounting and has adjust knob 29, adjust knob 29 plays supplementary second and links up the rotatory effect of circle 28, make operating personnel can follow this device outside and reach the effect of rotatory second and link up circle 28 with the help of adjust knob 29, the operation of being convenient for.
The adjusting knob 29 comprises a knob base 41, an auxiliary knob 42, an auxiliary strip 43, a friction groove 44, a sliding block 45, a sliding groove 46 and a block 47, one end of the second connecting ring 28, which is far away from the top ring 27, is fixedly connected with the knob base 41, a slotted hole is formed in the upper end of the knob base 41, the sliding groove 46 is formed in the inner side wall of the knob base 41, the block 47 is fixedly installed at the top end of the sliding groove 46, the sliding block 45 can slide back and forth in the sliding groove 46, so that the auxiliary knob 42 can slide out of the knob base 41, when the auxiliary knob 42 slides out of the knob base 41, the top end of the auxiliary knob 42 is exposed outside the device, an operator can conveniently rotate the auxiliary knob 42 by means of the auxiliary strip 43 and the friction groove 44, the knob base 41 is driven to rotate, the knob base 41 drives the second connecting ring 28 to rotate, the second connecting ring 28 rotates to generate thrust or tension to the top ring 27, and then the position of the second oil plug 26 is changed, the second oil plug 26 pushes or pulls the first oil plug 24 by means of hydraulic oil, the force received by the first oil plug 24 is sequentially transmitted to the first connecting ring 23, the fixing block 22 and the sealing ring 21, finally, the pressure of the sealing ring 21 on a valve ball is changed, an auxiliary knob 42 is fixedly installed in a groove hole of the knob base 41, sliding blocks 45 are fixedly installed on two sides of the bottom end of the auxiliary knob 42, the sliding blocks 45 are located in sliding grooves 46, an auxiliary strip 43 is fixedly installed at the top end of the auxiliary knob 42, the auxiliary strip 43 is convenient for an operator to hold and twist, the auxiliary knob 42 rotates in an auxiliary mode, a friction groove 44 is formed in the auxiliary strip 43, the friction groove 44 plays a role in increasing friction, and the finger force is convenient.
Inside oil circuit 25 middle part is fixed to be linked together has annotate oil circuit 31, and oiling circuit 31 is convenient for this device and the external exchange that carries out hydraulic oil, can change oil operation, and oiling circuit 31 is kept away from inside oil circuit 25 one end fixed mounting and is had screw stopper 32, and screw stopper 32 bottom fixed mounting has the rubber buffer, and the rubber buffer can be plugged up annotate oil circuit 31, and screw stopper 32 is rotatory to be twisted and is annotated oil circuit 31, makes the rubber buffer be difficult to break away from by oneself annotate inside oil circuit 31, and is sealed effectual.
Valve ring 11 is the valve ring 11 of PEEK material, and sealing washer 21 is the sealing washer 21 of PEEK material, and the PEEK material has corrosion-resistant, the strong and wear-resisting characteristics of rigidity, makes this device longe-lived and applicable corrosive liquid pipeline that has.
The working principle of the invention is as follows:
the invention can not cause the sealing effect of the valve ball to be poor due to expansion and contraction under the condition of different liquid temperatures or environment temperatures, the sealing assembly utilizes the elasticity of the strong spring to ensure that the sealing ring 21 can not be influenced by the volume change of the valve ball and can be always attached to the valve ball to play a sealing effect, so that the device has the high-low temperature self-adaptive performance, the strong spring can not cause a gap between the valve ball and the sealing ring 21 due to overlarge elasticity, hydraulic oil is utilized to conduct force, the force of the adjusting assembly is transmitted to the sealing ring 21 to achieve the purpose of adjusting the sealing effect, when the valve seat is worn due to long-term use, an operator can rotate the auxiliary knob 42 by virtue of the auxiliary strip 43 and the friction groove 44 to further drive the knob base 41 to rotate, the knob base 41 drives the second connecting ring 28 to rotate, the second connecting ring 28 rotates to generate thrust to the top ring 27, then the position of the second oil plug 26 is changed, the second oil plug 26 pushes the first oil plug 24 by means of hydraulic oil, the force applied to the first oil plug 24 is transmitted to the first connecting ring 23, the fixed block 22 and the sealing ring 21 in sequence, finally the pressure of the sealing ring 21 on the valve ball is increased, and the sealing effect is enhanced again.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911407872.9A CN110925455B (en) | 2019-12-31 | 2019-12-31 | A high and low temperature adaptive PEEK valve seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407872.9A CN110925455B (en) | 2019-12-31 | 2019-12-31 | A high and low temperature adaptive PEEK valve seat |
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| CN110925455A CN110925455A (en) | 2020-03-27 |
| CN110925455B true CN110925455B (en) | 2021-08-13 |
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| CN111734840B (en) * | 2020-07-06 | 2022-08-16 | 四川精控阀门制造有限公司 | Fixed ball valve with spare wheel valve seat |
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| JPH09242893A (en) * | 1996-03-04 | 1997-09-16 | Hitachi Valve Kk | Ball valve |
| CN2851756Y (en) * | 2005-11-10 | 2006-12-27 | 邱金全 | Ball valve without torsional moment under high pressure |
| CN101158411A (en) * | 2007-08-03 | 2008-04-09 | 邱金全 | Secondary seal ball-valve |
| CN101280851A (en) * | 2008-05-19 | 2008-10-08 | 邱金全 | Over pressure inner discharging type double-seal ball valve |
| CN203627882U (en) * | 2013-12-18 | 2014-06-04 | 雷蒙德（北京）阀门制造有限公司 | Up-mounted type ball valve with valve seat capable of being quickly dismounted and maintained online |
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| CN204647403U (en) * | 2015-04-13 | 2015-09-16 | 成都成高阀门有限公司 | A kind of composite valve seat sealing configuration |
| CN204677802U (en) * | 2015-05-20 | 2015-09-30 | 浙江威腾阀门有限公司 | There is the on-off seat globe valve of quick locking structure |
| CN108036072A (en) * | 2017-10-25 | 2018-05-15 | 白龙山 | Pneumatic hydraulic seal wear-resistant ball valve |
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| CN2851756Y (en) * | 2005-11-10 | 2006-12-27 | 邱金全 | Ball valve without torsional moment under high pressure |
| CN101158411A (en) * | 2007-08-03 | 2008-04-09 | 邱金全 | Secondary seal ball-valve |
| CN101280851A (en) * | 2008-05-19 | 2008-10-08 | 邱金全 | Over pressure inner discharging type double-seal ball valve |
| CN203627882U (en) * | 2013-12-18 | 2014-06-04 | 雷蒙德（北京）阀门制造有限公司 | Up-mounted type ball valve with valve seat capable of being quickly dismounted and maintained online |
| CN203627879U (en) * | 2013-12-18 | 2014-06-04 | 雷蒙德（北京）阀门制造有限公司 | High-performance double-blocking double-isolation double-valve-base ball valve |
| CN204647403U (en) * | 2015-04-13 | 2015-09-16 | 成都成高阀门有限公司 | A kind of composite valve seat sealing configuration |
| CN204677802U (en) * | 2015-05-20 | 2015-09-30 | 浙江威腾阀门有限公司 | There is the on-off seat globe valve of quick locking structure |
| CN108036072A (en) * | 2017-10-25 | 2018-05-15 | 白龙山 | Pneumatic hydraulic seal wear-resistant ball valve |
Also Published As
| Publication number | Publication date |
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| CN110925455A (en) | 2020-03-27 |
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