CN204239819U - O type ball valve group - Google Patents
O type ball valve group Download PDFInfo
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- CN204239819U CN204239819U CN201420568889.9U CN201420568889U CN204239819U CN 204239819 U CN204239819 U CN 204239819U CN 201420568889 U CN201420568889 U CN 201420568889U CN 204239819 U CN204239819 U CN 204239819U
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- 238000011010 flushing procedure Methods 0.000 description 1
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Abstract
The utility model relates to a kind of O type ball valve group, comprises multiple ball valves of a shared valve body, and valve body has the first and second channel sections of mounting hole corresponding to each ball valve and coaxial line.Each ball valve comprises: be arranged on the valve component in mounting hole, and it has the 4th and the Five-channel section holding cavity, perforation and always lead directly to corresponding first and second channel sections; Be arranged on the O type ball core in this accommodation cavity, O type ball core has third channel section, and with the rotation of O type ball core, third channel section is selectively communicated with other channel section corresponding, to form the flow channel led directly to of through each ball valve; Valve rod; Ball valve sealing mechanism; The rocker compensating gear in the gap between O type ball core and valve component; Valve component comprises along the axial opposed O of the being arranged in type ball core both sides of the corresponding mounting hole and has valve seat and outer seat in cavity separately, and hold cavity and be made up of the cavity of interior valve seat and the cavity combination of outer seat, perforation is arranged on outer seat.
Description
Technical field
The utility model relates to valve technology field, particularly relates to a kind of O type ball valve group.
Background technique
At present, the valve group comprising two valve groups, three valve groups, four valve groups and five valve groups all adopts needle-like stop valve or spheroidal stop valve.There are the following problems for the valve group adopting such needle-like or ball valve stop valve to form:
1, because existing valve group uses needle-like spool or ball-type spool, the import and export passage disalignment of valve, inlet passage axis is low relative to outlet passage axis and not parallel, thus there is strict import and export direction restriction in its fluid flow direction.As shown in Figure 1, valve imports and exports passage 1, in valve body, import is lower than outlet, cry in practical application " low in and high out ", like this, once the import and export direction of valve is anti-loaded, be easy to from valve rod to outward leakage, and in the application that the restriction in its fluid flow direction causes such valve group to be applied to needs two-way fluid to flow.In addition, this valve fluid flows at valve internal and repeatedly changes, and running into medium has the situation of particulate matter can accelerate the wearing and tearing of spool and valve base chamber and cause interior leakage, easily blocks when running into toughness easy crystal medium.And due to the flow channel in valve body very complicated, valve body processed complex, difficulty of processing are large, processing cost is high.
2, valve rod is by screw thread rotation, and cause valve from standard-sized sheet to complete shut-down, need to be regulated by handle multi-turn, switching speed is slow.
3, needle stop valve or spheroidal stop valve, valve location viewed from length can only be screwed out from valve gap, sometimes be not easy when valve only opens some to identify, and when throttle down, can because worry that valve closes not in place and firmly screws handle, cause pressure between spool valve seat excessive, damage sealing surface or potted line.
4, spool, valve base sealing are hard sealings, switch easily weares and teares after a period of time, and then cause the interior leakage of valve, and be wholely set due to valve seat and valve body, like this, once sealing surface of seat has wearing and tearing, just valve body dismounting must be rolled off the production line and carry out entirety maintenance or scrap, that scraps in practical application is in the majority.
Model utility content
The utility model aims to provide and a kind ofly allows two-way fluid to flow and valve body O type ball valve group easy to process.
The utility model provides a kind of O type ball valve group, comprise multiple ball valves of a shared valve body, valve body has the first and second channel sections corresponding to the mounting hole of each ball valve and the coaxial line in each mounting hole both sides and with the corresponding mounting hole vertical connection, wherein, each ball valve comprises: be arranged on the valve component in the corresponding mounting hole with abutting with valve body, valve component has accommodation cavity, be connected to accommodation cavity and bore a hole along axially extended one of the corresponding mounting hole and be transversely arranged on these accommodation cavity both sides and always straight-through with corresponding first and second channel sections the 4th and Five-channel section along the corresponding mounting hole, axis around the corresponding mounting hole is rotatably installed in the O type ball core in this accommodation cavity, O type ball core has through third channel section, with the rotation of O type ball core, third channel section is selectively communicated with other channel section corresponding, to form the flow channel led directly to of through each ball valve, valve rod, connects O type ball core and certainly passes valve component and then extend valve body, removably be set in the ball valve sealing mechanism outside valve rod, compensate the rocker compensating gear in the gap between O type ball core and valve component, wherein, valve component comprises along the axial opposed O of the being arranged in type ball core both sides of the corresponding mounting hole and has valve seat and outer seat in cavity separately, and hold cavity and be made up of the cavity of interior valve seat and the cavity combination of outer seat, perforation is arranged on outer seat.
O type ball valve group of the present utility model is by being set to through-type structure by flow channel, and fluid is not commutation in flow process, and the straight line type processing structure of flow channel section in valve body, make the processing of valve body simple, save cost.And, rotate to its third channel other channel connection its corresponding at O type ball core, when causing the whole flow channel of this ball valve to be communicated with, fluid can two-way flow in ball valve, importing and exporting direction setup error in valve without the need to worrying, being applicable to being applied to the occasion needing two-way fluid to flow.In addition, because valve component is to be fixedly connected with in stacked the corresponding mounting hole being filled in valve body instead of with valve body, thus, when can directly change valve component after valve component damage without the need to changing valve body, and the work of other ball valve in valve group can not be had influence on.In addition, the utility model is owing to being provided with the rocker compensating gear in the gap between O type ball core and valve component, like this between O type ball core and valve component because wearing and tearing, the reason such as resiliently deformable is when causing gap to increase, carry out backlash compensation by this rocker compensating gear, prevent the leakage of ball valve further.
In a specific embodiment, the outer end of mounting hole is provided with internal thread, rocker compensating gear comprises the valve gap be arranged in mounting hole, valve gap one end is provided with the outside thread that matches with the internal thread of mounting hole and has valve rod to pass wherein, when valve gap is tightened in mounting hole, it is giving valve component pretightening force perpendicular on the direction of flow channel.
As a possibility, at least the interior valve seat of valve component is made up of elastic material, to keep contact between the two under the effect that gap increases constantly in pretightening force between O type ball core and valve component.
As another possibility, the interior valve seat of valve component and outer seat have gap, elastic material is in the gap compacted in a sealing manner, so that when gap increases between O type ball core and valve component, makes interior valve seat and outer seat can relative movement along valve body under the effect of pretightening force.
As a possibility again, at least one in the surface of contact between the interior valve seat of valve component and outer seat is provided with elastomer, and the hardness that this elastomeric hardness ratio is provided with the remaining part of this elastomeric valve seat is low.
Preferably, rocker compensating gear also comprises the adjusting washer (disk) that is arranged between valve gap and outer seat and/or cushion between being arranged on bottom interior valve seat and mounting hole, so that between O type ball core and valve component because wearing and tearing, resiliently deformable etc. and gap increases time, because of the automatic elastic release of adjusting washer (disk) and/or cushion for providing elastic compensating between O type ball core and valve component.
In a specific embodiment, adjusting washer (disk) has hollow outer cover and is arranged on the elastic mechanism in hollow outer cover, and elastic mechanism is configured in its installed state towards O type ball core bias voltage outer seat.
In a specific embodiment, interior valve seat have to be arranged on flow channel direction hold cavity both sides and with two the first recesses of this accommodation cavity connects, outer seat has two second recesses opposite disposed with these two the first recesses, and four-way section and Five-channel section are formed by the first and second recesses of respective opposed layout respectively.
Preferably, O type ball core and valve-stem integrated are formed, and to prevent the relative movement between valve rod and O type ball core, and then prevent ball valve switch incomplete phenomena.
Preferably, O type ball valve group comprises two, three, four or five ball valves.
A part for other features and advantages of the utility model will be that those skilled in the art are obvious after reading the application, and another part describes by reference to the accompanying drawings by embodiment hereafter.
Accompanying drawing explanation
Below, describe embodiment of the present utility model in detail by reference to the accompanying drawings, wherein:
Fig. 1 shows the sectional structure schematic diagram of existing valve group spherical valve;
Fig. 2 shows the sectional view along its longitudinal median plane of the single ball valve of an embodiment of the present utility model;
Fig. 2 a shows the partial sectional view of the longitudinal median plane along via flow passage of the valve body of each ball valve in corresponding installation diagram 2;
Fig. 3 a shows the sectional view of the longitudinal median plane along flow channel of the outer seat in Fig. 2;
Fig. 3 b shows the sectional view of the longitudinal median plane along flow channel of the interior valve seat in Fig. 2;
Fig. 3 c shows the sectional view of the inside and outside valve seat longitudinal median plane along its via flow passage in the mounted state in Fig. 2;
Fig. 3 d shows the plan view of the outer seat in Fig. 2;
Fig. 3 e shows the plan view of the interior valve seat in Fig. 2;
Fig. 3 f shows the plan view of the valve component that the inside and outside valve seat in Fig. 2 is formed after mounting;
Fig. 4 A shows the sectional view being formed as the longitudinally central plane of overall O type ball core and valve rod in Fig. 2;
Fig. 4 B shows the side sectional view of Fig. 4 A;
Fig. 5 A shows the plan view of the adjusting washer (disk) in Fig. 2;
Fig. 5 B shows the sectional view of the longitudinally central plane of the adjusting washer (disk) of Fig. 5 A;
Fig. 6 A shows the schematic diagram of the two valve groups according to an embodiment of the present utility model;
Fig. 6 B-D shows the schematic diagram along different direction of the two valve groups of Fig. 6 A;
The sectional view of the central plane of the first and second channel section axis is crossed on the edge of the valve body that Fig. 6 E shows in Fig. 6 A;
Fig. 7 A shows the schematic diagram of the two valve groups according to another embodiment of the utility model;
Fig. 7 B-D shows the schematic diagram along different direction of the two valve groups of Fig. 7 A;
The sectional view of the central plane of the first and second channel section axis is crossed on the edge of the valve body that Fig. 7 E shows in Fig. 7 A;
Fig. 8 A shows the schematic diagram of the three valve groups according to an embodiment of the present utility model;
Fig. 8 B-D shows the schematic diagram along different direction of the three valve groups of Fig. 8 A;
The sectional view of the central plane of the first and second channel section axis is crossed on the edge of the valve body that Fig. 8 E shows in Fig. 8 A;
Fig. 9 A shows the schematic diagram of the four valve groups according to an embodiment of the present utility model;
Fig. 9 B-D shows the schematic diagram along different direction of the four valve groups of Fig. 9 A;
Figure 10 A shows the schematic diagram of the five valve groups according to an embodiment of the present utility model;
Figure 10 B-D shows the schematic diagram along different direction of the five valve groups of Figure 10 A;
In the utility model, identical reference character is used to represent identical or similar feature.
Embodiment
Description, describes the exemplary scheme of device disclosed in the utility model in detail.Although provide accompanying drawing to be that accompanying drawing need not be drawn by the size of specific embodiments in order to present mode of executions more of the present utility model, and some feature can be exaggerated, to remove or office cuts open to illustrate and explain disclosure of the present utility model better.The phrase " in the accompanying drawings " occurred in the description or similar term need not with reference to institute's drawings attached or examples.
Be used to some directional terminology describing accompanying drawing hereinafter, such as " interior ", " outward ", "left", "right", " upwards ", " downwards " and other directional terminology, have its normal implication by being understood to and those directions involved when often seeing accompanying drawing of making a comment or criticism.Except as otherwise indicating, directional terminology described in this specification is substantially according to conventional ball valve direction understood by one of ordinary skill in the art.
Term " about " in the utility model or " roughly " will be understood by those of ordinary skill in the art and change according to the context using this term within the specific limits.
An embodiment of the present utility model provides a kind of O type ball valve group, and it comprises multiple ball valves of a shared valve body 10.As Fig. 2 and 2a, valve body 10 has the first and second channel sections 11,12 corresponding to the mounting hole 13 of each ball valve and the coaxial line in each mounting hole 13 both sides and with the corresponding mounting hole 13 vertical connection.Wherein the outer end of each mounting hole 13 is provided with internal thread 131.Each ball valve comprises the valve component be arranged on abutting with valve body 10 in the corresponding mounting hole 13.Each valve component has accommodation cavity 34 and is connected with accommodation cavity 34 and bores a hole 33 along axially extended one of the corresponding mounting hole 13.Each valve component also has and is transversely arranged on these accommodation cavity 34 both sides and always straight-through with corresponding first and second channel sections 11,12 the 4th and Five-channel section 31,32 along the corresponding mounting hole 13.
Each ball valve axis also comprised around the corresponding mounting hole 13 is rotatably installed in O type ball core 20 in this accommodation cavity 34, connect O type ball core 20 and the valve rods 40 passing valve component and then extend valve body 10 from perforation 33 and the ball valve sealing mechanism be removably set in outside valve rod 40.Wherein, O type ball core 20 has through third channel section 21.With the rotation of O type ball core 20, third channel section 21 is selectively communicated with other channel section corresponding, to form the flow channel led directly to of through each ball valve.
In the present embodiment, shown in composition graphs 3a-3f, preferably, valve component comprises along the axial opposed O of being arranged in type ball core 20 both sides of the corresponding mounting hole 13 and has valve seat 300 and outer seat 30 in cavity 34a, 34b separately.Hold cavity 34 to be made up of the cavity 34b of interior valve seat 300 and the cavity 34a combination of outer seat 30.Perforation 33 is arranged on outer seat 30.Interior valve seat 300 has to be arranged on flow channel direction and holds cavity 34 both sides and two first recesses 31b, 32b being communicated with this accommodation cavity 34.Outer seat 30 has two second recess 31a, the 32as opposite disposed with these two first recesses 31b, 32b.Four-way section 31 and Five-channel section 32 are formed by the first and second recess 31b and 31a, 32b and 32a of respective opposed layout respectively.Each ball valve also comprises the rocker compensating gear for compensating the gap between O type ball core 20 and valve component, with between O type ball core 20 and valve component because wearing and tearing, distortion etc. and when increasing gap, carry out backlash compensation, and then ensure the sealing between O type ball core 20 and valve component.
Above-mentioned gap produces primarily of following reason: the first is that flexible interior valve seat 300 and outer seat 30 produce deformation respectively, causes the binding site of interior valve seat 300 and outer seat 30 to produce gap.The second is interior valve seat 300, pretightening force between outer seat 30 and O type ball core 20 three and between the perforation 33 of outer seat 30 and valve rod 40 diminishes, and causes the generation gap, junction of these parts.The third is the gap that the wearing and tearing between the parts that contact cause.
In the present embodiment, as shown in Figure 2, each ball valve also comprises the handle 110 rotated around the axis of respective mounting hole 13 for controlling valve rod 40, with make several angle as 90 ° within the scope of rotary valve rod 40 rotate to drive O type ball core 20.This handle 110 also can be used as direction and uses.Handle 110 and valve rod 40 can be fixed preferably by fixing pin 120.Handle 110 directly can indicate the switching position residing for valve.
In the present embodiment, because flow channel is through-type structure, fluid is without the need to commutation in flow process, and the processing of valve body 10 is simple, saves cost.Further, rotate to its third channel 21 other channel connection its corresponding at O type ball core 20, when causing the whole flow channel of this ball valve to be communicated with, fluid can two-way flow in ball valve, is applicable to being applied to the occasion needing two-way fluid to flow.In addition, due to valve component be filled in valve body 10 the corresponding mounting hole 13 in instead of be fixedly connected with valve body 10, thus, when can directly change valve component after valve component damage without the need to changing valve body 10, and the work of other ball valve in valve group can not be had influence on.In addition, because the switch of ball valve in the utility model is only within the scope of 90 °, and without the need to screwing multi-turn, switch is convenient and swift, and the effect of switch temporald eixis is also played in the use of handle 110, to indicate ball valve, whether switch puts in place, thus avoid excessively screw and between the spool valve seat that causes pressure excessive, damage the phenomenon of sealing surface or potted line.
In the present embodiment, rocker compensating gear comprises the valve gap 60 be arranged in mounting hole 13.Valve gap 60 one end is provided with the outside thread that matches with the internal thread 131 of mounting hole 13 and has valve rod 40 through wherein.When valve gap 60 is tightened in mounting hole 13, it is giving valve component pretightening force perpendicular on the direction of flow channel.Although there is shown between valve gap 60 and valve body 10 and be threaded connection, can expect, can also be connected between valve gap 60 with valve body 10 by alternate manner, as Flange joint etc., this does not depart from protection domain of the present utility model.
Alternatively, interior valve seat 300 and/or the outer seat 30 of valve component are made up of elastic material, to keep contact between the two under the effect in pretightening force when occurring that gap or gap increase between O type ball core 20 and valve component.Such as, the packing type elastic material making outer seat 30 and/or interior valve seat 300 can be reinforced TFE (RTFE), the plurality of advantages such as corrosion-resistant, ageing-resistant, the low coefficient of friction that the valve component that this reinforced TFE is made has and non-viscosity, temperature resistant range are wide, good springiness.
Alternately, the interior valve seat 300 of valve component and outer seat 30 have gap.Elastic material is in the gap compacted in a sealing manner, so that when occurring that gap or gap increase between O type ball core 20 and valve component, under the effect of pretightening force, make interior valve seat 300 and outer seat 30 can relative movement along valve body 10, and then realize the backlash compensation effect between O type ball core 20 and valve component.In this respect, interior valve seat 300 and outer seat 30 can be greater than this flexible material being filled in the hardness of the elastic material in gap by rigid material or hardness and make, thus first the elastic material that this is filled in gap under the effect of pretightening force is compressed.
As another possibility, at least one in the surface of contact between the interior valve seat 300 of valve component and outer seat 30 is provided with elastomer, and the hardness that this elastomeric hardness ratio is provided with the remaining part of this elastomeric valve seat is low.This elastomer can be applied on the surface of contact of respective valve seat 300,30, such as, by the mode of heat bonding, ultrasonic bonds, melting etc. with any suitable method in related domain.
In order to realize the auto-compensation in the gap between O type ball core 20 and valve component, preferably, rocker compensating gear also comprises the adjusting washer (disk) 50 be arranged between valve gap 60 and outer seat 30.As shown in Fig. 5 A, 5B, the elastic mechanism 52 that this adjusting washer (disk) 50 can preferably include the smooth annular hollow outer cover in surface 51 and be arranged in annular hollow outer cover 51.Elastic mechanism 52 is formed at the inner side bias voltage outer seat 30 towards mounting hole 13 under the installment state of valve gap 60.Wherein, elastic mechanism 52 can comprise the multiple elastic metallic rings be evenly arranged in annular hollow outer cover 51, helical spring, rubber or butterfly spring etc.
Adopt such adjusting washer (disk) 50 not only can prevent the wearing and tearing of valve gap 60 pairs of outer seats 30, and under normal circumstances, elastic mechanism 52 is also compressed and is kept the bias effect to outer seat 30.And when in outer seat 30/ between valve seat 300 and O type ball core 20 and/or between outer seat 30 and interior valve seat 300 because wearing and tearing, when resiliently deformables etc. cause gap increasing or active force to reduce, the part elastic force of elastic mechanism 52 can discharge automatically, to ensure under the effect to enough biasing forces of outer seat 30, outer seat 30 and/or interior valve seat 300 are at least out of shape in its contact segment, automatically to adjust the impacting force of outer seat 30 pairs of O type ball cores 20, to avoid O type ball core 20 and interior, outer seat 300, occur between 30 two-part leaking and in avoiding, outer seat 30, leakage between the bonding crack of 300.Therefore, the present embodiment O type ball valve group can on-line automatic or active force between manual adjustment O type ball core 20 and valve component, ensure that the sealing effect at the closedown performance that valve is good and valve rod 40 place.
In addition, although only arrange adjusting washer (disk) 50 between outer seat 30 and valve gap 60 in Fig. 2, can expect, also can pad between interior valve seat 300 and the bottom of mounting hole 13 and establish cushion, above-mentioned auto-compensation effect can be realized equally.This cushion can have the internal structure similar to above-mentioned adjusting washer (disk) 50, namely also can be to be made up of such as circular hollow outer cover 51 and the elastic mechanism 52 be arranged in annular hollow outer cover 51.This cushion can have any suitable shape, and can evenly exert a force as preferably, this does not depart from protection domain of the present utility model.
As shown in Figure 2, the ball valve sealing mechanism in the present embodiment comprises valve stem seal mechanism.The axis that this valve stem seal mechanism comprises along valve rod 40 is filled in the stem packing 70 between valve rod 40 with valve gap 60, the bonnet 80 be connected with the inner thread of valve gap 60, check washer 90 successively as ordinary elasticity pad on the direction away from O type ball core 20, butterfly or profile of tooth and the bonnet gland 100 that can be connected with valve gap 60 inner thread.Wherein, stem packing 70 seals to guarantee that medium does not leak from valve rod 40 for valve rod 40.Bonnet 80 is for compressing stem packing 70 with the active force between regulating valve stem filler 70 and valve rod 40 to guarantee sealing.Check washer 90 for after preventing the bonnet gland 100 pairs of bonnets 80 from compressing, loosening in valve switch process.
Shown in composition graphs 4A and 4B, in the present embodiment, preferably can permanently be fixedly connected with between valve rod 40 with O type ball core 20.Alternatively, O type ball core 20 can be become by the appearance of same material integration system with valve rod 40, also can by different materials manufacture in rear recycling related domain respectively other be fixedly connected with mode as welding or riveting integral, not in place to avoid in valve switch rotates both to connect the unreliable valve switch that causes.
Certainly, be to be understood that and removably connect by suitable mechanism such as bonding structure between valve rod 40 and O type ball core 20 yet, this does not all depart from protection domain of the present utility model.
At the present embodiment during fabrication, valve body 10 according to processing medium corrosivity when using, can be selected suitable metallic material, can select Ordinary Steel, alloyed steel, aluminum alloy, engineering plastics etc., and according to use occasion pressure rating, casting or forging are formed.
Man-hour is added at valve body 10, can according to ball valve quantity valve body 10 needing install, on the blank of the valve body 10 of respective shapes, by the way of machining, get out corresponding mounting hole 13 and correspond to two valve passage sections i.e. first and second channel sections 11,12 of each ball valve, then on the corresponding mounting hole 13 machining screw interface 131 to be threaded with corresponding valve gap 60.In the present embodiment to correspond to each flow channel when ball valve is all through-type, not only valve body easy to process, processing cost is lower, and allows fluid in the inner straight line type two-way flow of each single ball valve, and can not cause the leakage of valve.
Each ball valve of the present embodiment is when manufacturing assembling, as shown in Figure 2, first interior valve seat 300 is filled to the bottom of mounting hole 13, the O type ball core 20 be connected with valve rod 40 is put in mounting hole 13 on valve seat 300 again, and then outer seat 30 is filled into the outside of O type ball core 20, after this successively adjusting washer (disk) 50, valve gap 60, stem packing 70, bonnet 80, check washer 90, bonnet gland 100 are installed again.Finally with handle fixing pin 120, the handle 110 with valve position direction is fixed on the upper end portion of valve rod 40.
The O type ball valve group of the present embodiment, due to by outer seat 30 and interior valve seat 300 along perpendicular to the both sides being arranged in O type ball core 20 inside and outside the direction of flow channel and the axial direction of mounting hole 13, thus can under the prerequisite of O type ball core 20 that is easy for installation and removal, O type ball core 20 can be selected permanently to be fixedly connected with valve rod 40, and then avoid the wearing and tearing between the valve rod 40 that occurs in valve switch process and O type ball core 20 to skid, further ensure that valve switch puts in place.The present embodiment again by arranging the adjusting washer (disk) 50 with structure described above between valve gap 60 and outer seat 30, thus between valve component and O type ball core 20 gap strengthen or active force reduces time, elastic mechanism 52 is by the release of its part elastic force, to guarantee under the effect of the enough biasing forces to outer seat 30, outer seat 30 and/or interior valve seat 300 deform the impacting force automatically adjusting outer seat 30 pairs of O type ball cores 20, thus avoid occurring gap between O type ball core 20 and inside and outside valve seat 300,30 two-part, prevent valves leakage further.In addition, because the valve component in the present embodiment is filled in the mounting hole of valve body 10 with form of bio-carrier, if thus damaging in use appears in valve component, then need not change valve body 10, and only change valve component, provide cost savings, maintenance, convenient disassembly, also can change valve component online.
It should be noted that, although in the present embodiment, valve stem seal mechanism is made up of stem packing 70, the bonnet 80 be connected with the inner thread of valve gap 60, check washer 90 and the bonnet gland 100 that can be connected with valve gap 60 inner thread, but be to be understood that, valve stem seal mechanism can also be that other can realize the mechanism of ball valve sealing, and is not limited in the present embodiment.
Below in conjunction with Fig. 6 A-10D describe can in industrial process measurement and control instrument field widely used O type ball valve group of the present utility model.
Fig. 6 A-6D shows the two valve groups according to an embodiment of the present utility model.Wherein Fig. 6 A is the schematic diagram of this two valves group.Separating valve 231 is comprised, verification/blowdown valve 232, manufacturing process interface 233, instrumentation tap 234 and verification/blowdown interface 235 shown in the drawings of this two valves group.Fig. 6 E shows the sectional view for the valve body 10 in Fig. 6 A, illustrated therein is the two band mounting hole 13 of internal thread 131 and the position annexations of each self-corresponding first and second channel sections 11,12 in valve body 10, wherein, the flow channel corresponding to two ball valves communicates with each other.Although it is vertical for there is shown two flow channels, be to be understood that two flow channels can be designed to present different amount as required, this does not depart from protection domain of the present utility model.
Fig. 7 A-7D shows according to the parallel type two valve group in an embodiment of the present utility model, and wherein Fig. 7 A is schematic diagram, and Fig. 7 B is the plan view of this two valves group, and Fig. 7 C shows the side view of this two valves group, and Fig. 7 D shows the plan view of this two valves group.Wherein, this parallel type two valve group comprises left valve 241, right valve 242, manufacturing process interface 243,245 and instrumentation tap 244,246.Fig. 7 E shows the sectional view for the valve body 10 in Fig. 7 A, illustrated therein is the two band mounting hole 13 of internal thread 131 and the position relationships of each self-corresponding first and second channel sections 11,12 in valve body 10.Wherein, the flow channel corresponding to two ball valves is not communicated with each other.Although it is parallel to each other for there is shown two flow channels, be to be understood that two flow channels can be designed to present different amount as required, this does not depart from protection domain of the present utility model.
Fig. 8 A-8D shows the three valve groups according to an embodiment of the present utility model, and wherein Fig. 8 A is the schematic diagram of this three valves group, and Fig. 8 B is the plan view of this three valves group, and Fig. 8 C shows the side view of this three valves group, and Fig. 8 D shows the plan view of this three valves group.Illustrated therein is this three valves group and comprise positive and negative pressure valve 251,252, equilibrium valve 253, the procedural interface 254 of band instrument connector.Fig. 8 E shows the sectional view for the valve body 10 in Fig. 6 A, illustrated therein is three band mounting holes 13 of internal thread 131 in valve body 10 and the position relationship of each self-corresponding first and second channel sections 11,12.Wherein, the flow channel corresponding to wherein two ball valves is not directly communicated with each other, but is connected to each other by the 3rd flow channel that ball valve is corresponding, is communicated with to make the whole inner flow passage of this three valves group.Although it is parallel to each other for there is shown wherein two flow channels, be to be understood that two flow channels can be designed to present Uncrossed Difference angles as required.In addition, although Article 3 flow channel is perpendiculared to one another with other two flow channels respectively, be to be understood that they also can out of plumb be arranged, and formed with suitable any angle, this does not depart from protection domain of the present utility model.
Fig. 9 A-9D shows the four valve groups according to an embodiment of the present utility model, and wherein Fig. 9 A is the schematic diagram of this four valves group, and Fig. 9 B is the plan view of this four valves group, and Fig. 9 C shows the side view of this four valves group, and Fig. 9 D shows the plan view of this four valves group.Illustrated therein is this four valves group and comprise positive/negative-pressure side ball valve 261,262, equilibrium valve 263, flushing/escape cock 264, the procedural interface 265 of band instrument connector.
Figure 10 A-10D shows the five valve groups according to an embodiment of the present utility model, and wherein Figure 10 A is the schematic diagram of this five valves group, and Figure 10 B is the plan view of this five valves group, and Figure 10 C shows the side view of this five valves group, and Figure 10 D shows the plan view of this five valves group.Illustrated therein is this five valves group and comprise positive/negative-pressure side ball valve 271,272, equilibrium valve 273, positive/negative-pressure side blow washes/escape cock 274,275, the procedural interface 276 of band instrument connector, the procedural interface 277 of band process adapter.
Be to be understood that, although this specification describes according to each embodiment, but not each embodiment only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technological scheme in each embodiment also through appropriately combined, can form other mode of execution that it will be appreciated by those skilled in the art that.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle, amendment and combination, all should belong to the scope of the utility model protection.
Claims (10)
1. an O type ball valve group, comprise multiple ball valves of a shared valve body (10), described valve body (10) has the first and second channel sections (11,12) corresponding to the mounting hole (13) of each described ball valve and the coaxial line in each mounting hole (13) both sides and with the corresponding mounting hole (13) vertical connection, the outer end of described mounting hole (13) is provided with internal thread, it is characterized in that, each described ball valve comprises:
Be arranged on the valve component in the corresponding mounting hole (13) with abutting with described valve body (10), described valve component has accommodation cavity (34), is connected and bores a hole (33) along axially extended one of the corresponding mounting hole and be transversely arranged on these accommodation cavity (34) both sides and always straight-through with corresponding described first and second channel sections (11,12) the 4th and Five-channel section (31,32) along the corresponding mounting hole to described accommodation cavity (34);
Axis around the corresponding mounting hole (13) is rotatably installed in O type ball core (20) in this accommodation cavity (34), described O type ball core (20) has through third channel section (21), with the rotation of described O type ball core (20), described third channel section (21) is selectively communicated with other channel section corresponding, to form the flow channel led directly to of through each ball valve;
Valve rod (40), connects described O type ball core (20) and passes described valve component from described perforation (33) and then extend described valve body (10);
Removably be set in described valve rod (40) ball valve sealing mechanism outward;
The rocker compensating gear in the gap between described O type ball core (20) and valve component;
Wherein, described valve component comprises and is arranged in described O type ball core (20) both sides along the corresponding mounting hole (13) is axially opposed and has interior valve seat (300) and the outer seat (30) of cavity (34a, 34b) separately, described accommodation cavity (34) is combined by the cavity (34b) of interior valve seat (300) and the cavity (34a) of outer seat (30) and is formed, and described perforation (33) is arranged on described outer seat (30).
2. O type ball valve group according to claim 1, it is characterized in that, described rocker compensating gear comprises the valve gap (60) be arranged in described mounting hole (13), described valve gap (60) one end is provided with the outside thread that matches with the internal thread of mounting hole (13) (131) and has valve rod (40) through wherein, when described valve gap (60) is tightened in described mounting hole (13), it gives described valve component pretightening force on the direction perpendicular to described flow channel.
3. O type ball valve group according to claim 2, it is characterized in that, the interior valve seat (300) of at least described valve component is made up of elastic material, to keep contact between the two when wearing and tearing between described O type ball core (20) and valve component under the effect of described pretightening force.
4. O type ball valve group according to claim 2, it is characterized in that, interior valve seat (300) and the outer seat (30) of described valve component have gap, elastic material is in the gap compacted in a sealing manner, so that when wearing and tearing between described O type ball core (20) and valve component, under the effect of described pretightening force, make described interior valve seat (300) and outer seat (30) can relative movement along described valve body (10).
5. O type ball valve group according to claim 2, it is characterized in that, at least one in surface of contact between the interior valve seat (300) of described valve component and outer seat (30) is provided with elastomer, and the hardness that this elastomeric hardness ratio is provided with the remaining part of this elastomeric valve seat is low.
6. the O type ball valve group according to any one of claim 2 to 5, it is characterized in that, described rocker compensating gear also comprises the adjusting washer (disk) (50) be arranged between described valve gap (60) and outer seat (30) and/or the cushion be arranged between described interior valve seat (300) and mounting hole (13) bottom.
7. O type ball valve group according to claim 6, it is characterized in that, described adjusting washer (disk) (50) has hollow outer cover (51) and is arranged on the elastic mechanism (52) in described hollow outer cover (51), and described elastic mechanism (52) is configured in its installed state towards outer seat (30) described in described O type ball core (20) bias voltage.
8. O type ball valve group according to any one of claim 1 to 5, it is characterized in that, described interior valve seat (300) has to be arranged on flow channel direction holds cavity (34) both sides and two the first recess (31b be communicated with this accommodation cavity (34), 32b), described outer seat (30) has and these two the first recess (31b, two 32b) opposite disposed the second recess (31a, 32a), described four-way section (31) and Five-channel section (32) are respectively by the first and second recesses (31b and 31a of respective opposed layout, 32b and 32a) formed.
9. O type ball valve group according to any one of claim 1 to 5, is characterized in that, described O type ball core (20) and described valve rod (40) are integrally formed.
10. according to the O type ball valve group one of claim 1 to 5 Suo Shu, it is characterized in that, described O type ball valve group comprises two, three, four or five described ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568889.9U CN204239819U (en) | 2014-09-29 | 2014-09-29 | O type ball valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568889.9U CN204239819U (en) | 2014-09-29 | 2014-09-29 | O type ball valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239819U true CN204239819U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420568889.9U Expired - Fee Related CN204239819U (en) | 2014-09-29 | 2014-09-29 | O type ball valve group |
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| Country | Link |
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| CN (1) | CN204239819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526388A (en) * | 2014-09-29 | 2016-04-27 | 大唐国际化工技术研究院有限公司 | O-shaped ball valve group |
-
2014
- 2014-09-29 CN CN201420568889.9U patent/CN204239819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526388A (en) * | 2014-09-29 | 2016-04-27 | 大唐国际化工技术研究院有限公司 | O-shaped ball valve group |
| CN105526388B (en) * | 2014-09-29 | 2018-06-26 | 大唐国际化工技术研究院有限公司 | O-shaped ball valve valve group |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Chunqi Inventor after: Hu Pingjie Inventor after: Mei Changsong Inventor after: Liu Junfeng Inventor after: Zhang Ziping Inventor after: Zhang Xiaolei Inventor before: Li Chunqi Inventor before: Hu Pingjie Inventor before: Mei Changsong Inventor before: Liu Junfeng Inventor before: Deng Haiyan Inventor before: Zhang Ziping Inventor before: Zhang Xiaolei |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI CHUNQI HU PINGJIE MEI CHANGSONG LIU JUNFENG DENG HAIYAN ZHANG ZIPING ZHANG XIAOLEI TO: LI CHUNQI HU PINGJIE MEI CHANGSONG LIU JUNFENG ZHANG ZIPING ZHANG XIAOLEI |
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| 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: 20150401 Termination date: 20180929 |