CN204267749U - Bellows spool pipe valve shape valve - Google Patents
Bellows spool pipe valve shape valve Download PDFInfo
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- CN204267749U CN204267749U CN201420756903.8U CN201420756903U CN204267749U CN 204267749 U CN204267749 U CN 204267749U CN 201420756903 U CN201420756903 U CN 201420756903U CN 204267749 U CN204267749 U CN 204267749U
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Abstract
The utility model discloses a kind of bellows spool pipe valve shape valve, comprise by connecting body, bellows and lower core body connect the bellows combined type spool of composition, valve body, valve gap, fastener assembly, valve rod, upper gasket seal and other part etc. used by different structure, connecting body in combined type spool and valve gap, or the static seal formed together with valve gap and valve body between each connects, lower core body connects with valve rod, sealing pair is formed when sealing surface on lower core body coordinates with sealing surface of seat, because bellows is scalable, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve closing and open two states.The utility model, can form stop valve or telescoping valve two kinds of functional characters, uses, no matter as which kind of valve use as two kinds of valves, and reliable and telescoping valve has balance type structure, advantage that valve rod axially loaded is little to medium-tight all to have had stop valve concurrently.
Description
Technical field
The utility model relates to a kind of bellows spool pipe valve shape valve, particularly relates to a kind ofly forming the functional character with stop valve or telescoping valve two kinds of valves, and as the pipe valve shape valve that stop valve or telescoping valve use.
Background technique
The common two kinds of forms of pipe valve shape valve have stop valve and telescoping valve.Traditional stop valve and telescoping valve have respective pluses and minuses in the application, such as, the advantage of stop valve has: the good airproof performance when closing to medium, can realize the featuring rigid cutting-off to medium, shortcoming has: during closedown, and the suffered in the axial direction medium active force of valve rod is larger, required actuator is also larger, particularly when heavy caliber, large pressure reduction, the power that valve rod bears is larger, limits its application area; Conventional sleeve valve mainly contains two-seater telescoping valve and single seat telescoping valve two kinds, two-seater telescoping valve is by two sealing surfaces on spool (open-shut device) and two sealing surfaces on sleeve, formed when closed two sealing pairs to medium carry out sealing, single seat telescoping valve is by by above-mentioned two sealing pairs of two-seater telescoping valve, changes seal ring circumferential surface fitted seal into carry out sealing to medium near of valve gap side.It should be noted that: the sealing configuration form of two kinds of above-mentioned telescoping valves is common, also can adopt other structural type.The advantage of telescoping valve has: it is less that valve rod bears medium active force, and required actuator is also less, and can adapt to larger bore and pressure reduction, shortcoming has: unreliable to the sealing of medium when closing, leakage rate is larger.
The pluses and minuses of above two kinds of valves are contrary mutually.
We are unreliable to medium-tight to conventional sleeve valve below, the reason that leakage rate is larger is analyzed: traditional double seat telescoping valve, when closing, require two sealing surfaces on spool and two sealing surfaces on sleeve, the sealing pair that two have enough seal pressures will be formed simultaneously, sealing reliably could be carried out to medium, because two sealing surface positions respective in two pieces are relatively-stationary, reach this requirement, very high to the required precision of the position dimension between two sealing surfaces respective on spool and sleeve, existing level of processing is difficult to reach such required precision, in addition the change of temperature realizes reliable sealing to two sealing pairs simultaneously and also has a great impact, so be difficult to reach the requirement to media implementation reliable sealing, and single seat telescoping valve seal ring circumferential surface fitted seal wherein leans on its elastic force to form enough seal pressures to realize, because it in use can produce wearing and tearing, aging and distortion etc., and more and more can not provide enough elastic force and form enough seal pressures, even can produce gap, and can not ensure media implementation reliable sealing.As can be seen from the above analysis, traditional double seat telescoping valve and the sealing of single seat telescoping valve to medium have respective deficiency, cause telescoping valve to have sealing unreliable, the shortcoming that leakage rate is larger.
Tradition stop valve sealing configuration only has together, and be the reason producing its above-mentioned advantage, and balance type structure is realized by two seals structure, it is not balance type structure, and its above-mentioned shortcoming just cannot overcome; Traditional double seat telescoping valve and single seat telescoping valve have two seals structure, and it is balance type structure, are the reasons producing its above-mentioned advantage, but two kinds of respective above-mentioned shortcomings existed of telescoping valve itself cannot overcome.Therefore never have a kind of above-mentioned advantage with stop valve and telescoping valve, overcome the valve products of two kinds of above-mentioned shortcomings of valve.
Summary of the invention
The utility model cannot have above-mentioned two kinds of valve advantages separately for traditional stop valve and telescoping valve simultaneously, overcome the problem of above-mentioned two kinds of valve shortcomings, a kind of bellows spool pipe valve shape valve is provided, it can have both above-mentioned advantage simultaneously, overcome both above-mentioned shortcomings, and the functional character with stop valve or telescoping valve two kinds of valves can be formed, and use as stop valve or telescoping valve.
Note: in the utility model, can be positioned on the parts such as connecting body 1, valve body 4, valve base piece 16, sleeve 21 with the corresponding sealing surface that open-shut device sealing surface coordinates, we are by corresponding sealing surface place part, the part of sealing surface is provided to be referred to as valve seat, as valve body provided the part entity of the sealing surface on interior mesopore, be called valve seat, etc.
The technical solution adopted in the utility model is: described bellows spool pipe valve shape valve, comprise: by connecting body 1, bellows 2 and lower core body 3 connect the bellows combined type spool of composition, valve body 4, valve gap 9, fastener assembly 8, valve rod 6, upper gasket seal 7, and because adopting different structure form the hexagonal socket nut 5 used, guide sleeve 10, retaining pad 11, union (screwed)bonnet (UB 12, fastening screw trip bolt 13, nut 14, lower seal pad 15, valve base piece 16, antirotation keys 17, split annulus 18, screw 19, sealing gasket 20, sleeve 21, butterfly spring 22, valve stem seal bellows 23, labyrinth lamination 24, retaining ring 25, outer porous cover 26, interior porous cover 27, connecting sleeve 28 etc., as required, other component can also be comprised.It should be noted that, the actuator, support, filler, Gland etc. irrelevant with the utility model are not mentioned.
It is characterized in that: the spool in this pipe valve shape valve connects by connecting body, bellows 2, lower core body 3 the bellows combined type spool formed; Valve rod 6 connects with lower core body, lower core body is open-shut device, it has a sealing surface, when valve closing, the sealing pair 100 that medium is cut off is formed with the sealing surface on valve seat, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve cuts off medium and opens two states, this medium to be cut off and the principle opened, similar with the traditional stop valve only being cut off medium by a sealing pair and open; In the assemblying body that valve rod connects with lower core body, be provided with and medium can be allowed by the passage of lower core body in stem shaft upwards both sides, normally on lower core body, have equalizing orifice 301, also other method can be adopted, as: have on valve rod and make medium can by spool in the stem shaft upwards groove of both sides or the form etc. in hole, medium can be allowed by the passage of lower core body in stem shaft upwards both sides because having, it is again balance type structure, similar with the balance type structure of conventional sleeve valve; Connecting body (non-open-shut device) can and valve gap 9 between, also can with form static seal between valve gap and valve body two pieces and connect; The utility model, have the structure that traditional stop valve and telescoping valve produce advantage as previously mentioned, it has had traditional stop valve and the foregoing advantage of telescoping valve concurrently, also overcomes two kinds of foregoing shortcomings of valve simultaneously.
The utility model structurally has significantly different from traditional stop valve; Compared with telescoping valve, although carry out sealing to medium all to be realized by two seals structure, but they are distinguishing, the two seals structure of conventional sleeve valve is all consisted of open-shut device, motive sealing or the sealing having open and close two states, and two seals structure of the present utility model only has one to be positioned on open-shut device, and the sealing configuration formed by connecting body is static seal.
Its similar modified product can be derived the same with traditional stop valve or telescoping valve, the utility model also can derive its similar modified product, during as used as stop valve, core body under open-shut device is made throttle valve core shape, can use as modulating valve, etc.; When using as telescoping valve, the telescoping valve with mazy passage, orifice type passage can be made, etc.
This kind of valve, the connecting body of combined type spool connects with valve cover chamber or with the static seal formed between valve gap and valve body two pieces, can adopt the following mode that is fixedly connected:
A, connecting body form static seal with valve gap alone and are fixedly connected;
B, connecting body form static seal with valve body alone and are fixedly connected;
C, connecting body alone and valve gap and valve body two parts form static seal between each and be fixedly connected;
D, connecting body with guide sleeve 10 or/and together with sleeve 21 and valve gap form static seal between each and be fixedly connected;
E, connecting body with guide sleeve or/and together with sleeve and valve body form static seal between each and be fixedly connected;
F, connecting body with guide sleeve or/and together with sleeve and valve gap and valve body two parts form static seal between each and be fixedly connected.
Although above b, e two is feasible connecting mode from principle, but the more bad design be no advantage, generally can not adopt, repeat no more.
This kind of valve, the connection of valve rod and lower core body can adopt and be fixedly connected, and also can adopt relatively turnable connection, and adopting and can relatively rotating connection is the situation needing valve rod to rotate to adapt to actuator.
This kind of valve, adopts valve stem seal bellows 23, stops medium to leak from valve rod, can form the valve with bellows packing seal form.Valve stem seal bellows can be weld together with valve rod and guide sleeve, also can be the structural type welded together with valve rod and valve gap, etc.
This kind of valve, the medium channel in connecting body and valve pocket between mesopore is unlimited, and medium can smooth and easyly pass through, and has stop valve functional character, can use as stop valve.
This kind of valve, has telescoping structure between the medium channel in connecting body and valve pocket between mesopore, has telescoping valve functional character, can be used as telescoping valve and uses; The formation of telescoping structure has following several mode usually: a, connecting body itself are with regulating the extended body of window, and in it and valve body, mesopore outer edge part overlaps and forms telescoping structure; B, connecting body and valve have specially with regulating window and coordinating with the sleeve part that mesopore outward edge in valve body overlaps, form telescoping structure; C, connecting body are inherently with the telescoping structure regulating window; D, connecting body and valve have specially with regulating the sleeve part of window and partial sleeves cavity to coordinate, form telescoping structure; E, connecting body and valve base piece overlap and form telescoping structure, and connecting body or valve base piece have adjustment window; F, connecting body form the telescoping structure having and regulate window together with other part.
The adjustment window of this kind of valve, can be positioned on connecting body, also can be positioned on valve base piece, and the part combination that also can form telescoping structure by other is formed.
Valve base piece connects form as required with valve body, general employing gasket seal sealing, by valve base piece connects with the mode of valve body inner bore screw threads for fastening, or straight mouth coordinates the connecting mode adding gasket seal sealing, the sealing load of the latter comes from the assembly force fixed with valve base piece between relevant each part, or the elastic force provided as butterfly spring 22 with the elastic component that valve base piece is fixed in relevant part; Also can adopt with gasket seal sealing, add the fastening connecting mode of fastening piece by the flange of flange valve seat piece, etc.
Adopt antirotation keys 17, connect valve rod and guide sleeve or connecting body, object prevents valve rod from rotating, to adapt to the situation that valve requirement valve rod can not rotate.
When needing medium smooth and easy to both sides by the stem shaft of guide sleeve or connecting body, medium channel hole A 101 or medium channel hole B 1001 can be had on connecting body or guide sleeve.
In embodiment shown in Fig. 1 ~ Fig. 3, valve rod has sealing surface 601 on valve rod, valve gap has sealing surface 901 on valve gap, when valve is opened completely, two sealing surface contacts, sealing pair in formation, meets the requirement that related standard requirements stop valve will have upper sealing configuration.
The beneficial effects of the utility model are: valve is single sealing configuration, is again balance type structure, have had both traditional stop valve and the foregoing advantage of conventional sleeve valve, have overcome two kinds of foregoing shortcomings of valve; When it uses as stop valve or telescoping valve, also there are traditional stop valve or conventional sleeve valve more NM advantages in the present note separately.
Accompanying drawing explanation
Fig. 1 ~ Figure 16 is the utility model preferred embodiment structural representation;
Figure 17 is the A place schematic enlarged-scale view of Figure 12;
Figure 18 is the B place schematic enlarged-scale view of Figure 14.
In figure: 1, connecting body; 100, sealing pair; 101, medium channel hole A; 2, bellows; 3, lower core body; 301, equalizing orifice; 4, valve body; 5, hexagonal socket nut; 6, valve rod; 601, sealing surface on valve rod; 7, upper gasket seal; 8, fastener assembly; 9, valve gap; 901, sealing surface on valve gap; 10, guide sleeve; 1001, medium channel hole B; 11, retaining pad; 12, union (screwed)bonnet (UB; 13, fastening screw trip bolt; 14, nut; 15, lower seal pad; 16, valve seat; 17, antirotation keys; 18, annulus is split; 19, screw; 20, gasket seal; 21, sleeve; 22, butterfly spring; 23, valve stem seal bellows; 24, labyrinth lamination; 25, retaining ring; 26, outer porous cover; 27, interior porous cover; 28, connecting sleeve.
Embodiment
Below in conjunction with Fig. 1 ~ Figure 16, by preferred embodiment, the utility model is further described.
Embodiment one: as shown in Figure 1, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with the outer cylinder of connecting body and lower core body; Connecting body and valve gap and valve body, seal with gasket seal 7, fastening with fastener assembly 8, between forming each, static seal is fixedly connected, and the mesopore of connecting body coordinates with valve rod and play the guiding role, and has had the function of guide sleeve concurrently, it has medium channel hole A, medium can smooth and easyly be passed through; Valve rod and lower core body are linked together by hexagonal socket nut 5, can relatively rotate between valve rod and lower core body, lower core body has a sealing surface, when valve closes, the sealing surface be positioned on valve body mesopore with another forms sealing pair, and because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; This kind of valve, because the medium channel in connecting body and valve body between mesopore is unlimited, has the functional character of stop valve, so it uses as stop valve; Valve rod and valve gap have on valve rod sealing surface respectively on sealing surface and valve gap, when valve is opened completely, sealing pair in formation.
Embodiment two: as shown in Figure 2, have with not existing together of example one: a, bellows and connecting body adopt inner cylindrical surface to weld; B, add guide sleeve, it has the mesopore coordinating with valve rod and play the guiding role, and medium channel hole B, it is fixed by fastening screw trip bolt 13 and connecting body; C, valve rod are linked together with lower core body by retaining pad 11 and union (screwed)bonnet (UB 12.All the other are identical with embodiment one.The connecting body flange connector made as shown in the figure thickeies form, bellows can be made to have larger amount of deformation, better meet the requirement of the larger displacement amount of lower core body.
Embodiment three: as shown in Figure 3, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface; Connecting body together with guide sleeve with valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, and the mesopore on guide sleeve coordinates with valve rod, play the guiding role, connect by antirotation keys 17 between guide sleeve with valve rod, prevent valve rod from rotating, it has medium channel hole B, medium can smooth and easyly be passed through; Valve rod and lower core body are fixedly connected by the screw thread nut 14 on valve rod, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, valve base piece lower seal pad 15 seals, by mesopore screw thread in the screw thread on it and valve body, tighten together with valve body, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to do stem shaft and move up, make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; This kind of valve, because the medium channel in connecting body and valve body between mesopore is unlimited, has the functional character of stop valve, so it uses as stop valve; Valve rod and valve gap have on valve rod sealing surface respectively on sealing surface and valve gap, when valve is opened completely, sealing pair in formation.
Embodiment four: as shown in Figure 4, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with the external cylindrical surface of connecting body and lower core body, connecting body and valve gap are sealed by gasket seal 20, fastening with screw 19, and form static seal and be fixedly connected, the mesopore of connecting body coordinates with valve rod and play the guiding role, and has had the function of guide sleeve concurrently, it has had medium channel hole A, medium can smooth and easyly be passed through, valve rod and lower core body are with splitting annulus 18, retaining pad, be linked together with union (screwed)bonnet (UB, can relatively rotate, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, valve base piece lower seal gasket seal, by mesopore screw thread in the screw thread on it and valve body, tighten together with valve body, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve cuts off medium and opens two states, lower core body has equalizing orifice, makes valve form balance type structure, this kind of valve, because the spool shape of throttle valve made by lower core body, external frame is change, and the medium channel in connecting body and valve body between mesopore is unlimited, so instantly core body in the on state along with valve rod move time, the circulation area opened also constantly changes, and plays the effect regulating MEDIA FLOW flux, there is the function of modulating valve, therefore can use as modulating valve.It is the modified product that stop valve derives.
Embodiment five: as shown in Figure 5, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with the inner cylindrical surface of connecting body, welds with the external cylindrical surface of lower core body; Connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, form static seal between each and be fixedly connected, connecting body is hollow structure, and medium can smooth and easyly pass through; Valve rod and lower core body retaining pad and union (screwed)bonnet (UB are linked together, can relatively rotate, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve body mesopore with another forms sealing pair, and because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; The connecting body flange connector made as shown in the figure thickeies form, bellows can be made to have larger amount of deformation, better meet the requirement of the larger displacement amount of lower core body; Because connecting body itself is with adjustment window, and form telescoping structure with mesopore overlapping edges in valve body, there is telescoping valve functional character, so it uses as telescoping valve.
Embodiment six: as shown in Figure 6, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with the inner cylindrical surface of connecting body, welds with the external cylindrical surface of lower core body; Connecting body together with sleeve with valve gap and valve body, seal with gasket seal, fastening with fastener assembly, form static seal between each and be fixedly connected, connecting body and sleeve are hollow structures, and medium can smooth and easyly pass through; Valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve body mesopore with another forms sealing pair, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, and make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; Due to connecting body and valve have specially with regulating window and coordinating with the sleeve part that mesopore outward edge in valve body overlaps, form telescoping structure, there is telescoping valve functional character, so it uses as telescoping valve.Adopting special sleeve part, is the sleeve in order to change easily with different windows, to change the Flow characteristics of valve.
Embodiment seven: as shown in Figure 7, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with the inner cylindrical surface of connecting body, welds with the external cylindrical surface of lower core body; Connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, mesopore edge in valve body, with lower seal pad and valve body press seal, sealing load is assembled together from connecting body and valve body, valve gap, the assembly force formed when fixing with fastener assembly, connecting body is hollow structure, and medium can smooth and easyly pass through; Valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on connecting body with another forms sealing pair, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, and make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; This kind of valve, because connecting body is inherently with the telescoping structure regulating window, has the functional character of telescoping valve, so it uses as telescoping valve.
Embodiment eight: as shown in Figure 8, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with the inner cylindrical surface of connecting body, welds with the external cylindrical surface of lower core body; Connecting body together with sleeve with valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, and sleeve and mesopore in valve body adopt straight mouth to coordinate, with lower seal pad and valve body press seal, sealing load is assembled together from sleeve and connecting body, valve body, valve gap, the assembly force formed when fixing with fastener assembly, sleeve and connecting body are hollow structures, and medium can smooth and easyly pass through; Valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on sleeve with another forms sealing pair, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, and make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; Due to connecting body and valve have specially with regulating the sleeve part of window and partial sleeves cavity to coordinate, form telescoping structure, there is telescoping valve functional character, so it uses as telescoping valve.
Embodiment nine: as shown in Figure 9, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface; Connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, form static seal between each and be fixedly connected, connecting body is hollow structure, and medium can smooth and easyly pass through; Valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, valve base piece lower seal gasket seal, by mesopore screw thread in the screw thread on it and valve body, tighten together with valve body, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; Due to connecting body with form telescoping structure with regulating the valve base piece of window to overlap, there is the functional character of telescoping valve, so it uses as telescoping valve.
Embodiment ten: as shown in Figure 10, and upper outside except regulating window to move on to connecting body from valve base piece, all the other are identical with embodiment nine.
Embodiment 11: as shown in figure 11, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface, connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, form static seal between each and be fixedly connected, connecting body is hollow structure, and medium can smooth and easyly pass through, valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, adopt straight mouth to coordinate to add the connection form of lower seal gasket seal between valve base piece with valve body, this structure, assembling and the replacing of valve base piece are all more convenient, sealing load comes from the elastic force of butterfly spring between valve base piece and the connecting body that is fixedly connected, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve cuts off medium and opens two states, lower core body has equalizing orifice, makes valve form balance type structure, due to connecting body with form telescoping structure with regulating the valve base piece of window to overlap, there is the functional character of telescoping valve, so it uses as telescoping valve.
Embodiment 12: as shown in figure 12, and upper outside except regulating window to move on to connecting body from valve base piece, all the other are identical with embodiment 11.
Embodiment 13: as shown in figure 13, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface, connecting body together with guide sleeve with valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, mesopore on guide sleeve coordinates with valve rod, play the guiding role, this kind of valve have employed valve stem seal bellows, medium is stoped to leak from valve rod, define the valve with bellows packing seal form, what the employing of valve stem seal bellows welded together with valve rod and guide sleeve connects form, guide sleeve does not have medium channel hole, to form sealing to medium, valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, adopt straight mouth to coordinate to add the connection form of lower seal gasket seal between valve base piece with valve body, this structure, assembling and the replacing of valve base piece are all more convenient, sealing load comes from the elastic force of butterfly spring between valve base piece and the connecting body that is fixedly connected, because the bellows between connecting body and lower core body and the valve stem seal bellows between valve rod and connecting sleeve are all scalable components, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve cuts off medium and opens two states, lower core body has equalizing orifice, makes valve form balance type structure, due to connecting body with form telescoping structure with regulating the valve base piece of window to overlap, there is the functional character of telescoping valve, so it uses as telescoping valve.
Embodiment 14: as shown in figure 14, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface; Connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, and connecting body is hollow structure, and medium can smooth and easyly pass through, its external cylindrical surface makes multidiameter shaft shape, on it, suit is with the labyrinth lamination 24 of labyrinth channel, forms labyrinth channel with the aperture of given shape on connecting body, and labyrinth lamination is welded and fixed by retaining ring 25 and connecting body; Valve rod and lower core body are linked together by hexagonal socket nut, can relatively rotate between valve rod and lower core body, lower core body has a sealing surface, when valve closes, the sealing surface be positioned on valve body mesopore with another forms sealing pair, and because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, make sealing pair have closed and open two states, corresponding valve cuts off medium and opens two states; Lower core body has equalizing orifice, makes valve form balance type structure; Due to be with foraminate connecting body together with the lamination of labyrinth with mesopore overlapping edges in valve body, formed and there is the telescoping structure of labyrinth channel, there is telescoping valve functional character, so it uses as telescoping valve.
Embodiment 15: as shown in figure 15, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface, connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, connecting body is hollow structure, medium can smooth and easyly pass through, valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, adopt straight mouth to coordinate to add the connection form of lower seal gasket seal between valve base piece with valve body, this structure, assembling and the replacing of valve base piece are all more convenient, sealing load comes from valve seat and valve body, connecting body, valve gap, outer porous cover 26, interior porous cover 27 is assembled together, fastening with fastener assembly, the assembly force formed, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve cuts off medium and opens two states, lower core body has equalizing orifice, makes valve form balance type structure, because connecting body is by outer porous cover, interior porous cover and valve base piece are pressed on valve body mesopore, form the telescoping structure with pore channels, have telescoping valve functional character, so it uses as telescoping valve.
Embodiment 16: as shown in figure 16, and combined type spool is made up of connecting body, bellows, lower core body, and three connecting modes adopted are: bellows welds with connecting body inner cylindrical surface, welds with lower core body external cylindrical surface, connecting body and valve gap and valve body, seal with gasket seal, fastening with fastener assembly, between forming each, static seal is fixedly connected, connecting body is hollow structure, medium can smooth and easyly pass through, valve rod is fixedly connected by the screw thread nut on it and lower core body, lower core body has a sealing surface, during valve closing, the sealing surface be positioned on valve base piece with another forms sealing pair, adopt straight mouth to coordinate to add the connection form of lower seal gasket seal between valve base piece with valve body, this structure, assembling and the replacing of valve base piece are all more convenient, sealing load comes from valve base piece and the elastic force of butterfly spring between the connecting body be fixedly connected and connecting sleeve 28, because the bellows between connecting body and lower core body is scalable, valve rod can drive lower core body to move up in stem shaft, sealing pair is made to have closed and open two states, corresponding valve cuts off medium and opens two states, lower core body has equalizing orifice, makes valve form balance type structure, because connecting body is by butterfly spring, by connecting sleeve, outer porous cover, interior porous cover and valve base piece are pressed on valve body mesopore, form the telescoping structure with pore channels, have telescoping valve functional character, so it uses as telescoping valve.
More than adopt preferred embodiment to be described the utility model; not to restriction of the present utility model; in the existing known technology of the novel middle employing of this reality, the conversion etc. done in its concept the utility model, do not hinder protection domain of the present utility model.As: as described in bellows waveform can adopt U-shaped, C shape, Ω shape, V-arrangement, stepped shaft etc., pattern can adopt with stiffening ring structure etc., these are all the known technologies of bellows; Described valve rod and the connection of lower core body can be weld, fastening piece connection etc.; Described bellows and the connection of connecting body, lower core body can be weld, rolling laminated connection, bonding etc., these are all the known technologies of Placement; Equalizing orifice shape on described lower core body can be circular as required, triangle; The sealing surface of described sealing pair can adopt the conical surface, plane, sphere and curved surface etc., and these are all to the conversion etc. of the utility model in its concept; Do not affect the protection domain of bellows spool pipe valve shape valve described in the utility model.
Claims (9)
1. a bellows spool pipe valve shape valve, comprise: connected the bellows combined type spool formed by connecting body, bellows and lower core body, valve body, valve gap, fastener assembly, valve rod, upper gasket seal, is characterized in that: the spool in this pipe valve shape valve connects by connecting body, bellows, lower core body the bellows combined type spool formed; Valve rod connects with lower core body, lower core body has a sealing surface, and it forms sealing pair when valve closing with the sealing surface on valve seat; Valve rod connects in the assemblying body formed with lower core body, is provided with and medium can be allowed by the passage of lower core body in stem shaft upwards both sides.
2. bellows spool pipe valve shape valve according to claim 1, is characterized in that: the lower core body of the combined type spool of described valve has equalizing orifice.
3. bellows spool pipe valve shape valve according to claim 1, is characterized in that: connecting body can with valve cover chamber, also can with form static seal between valve gap and valve body two pieces and connect.
4. the bellows spool pipe valve shape valve according to claim 1 or 3, it is characterized in that: the connecting body of the combined type spool of described valve connects with valve cover chamber or with the static seal formed between valve gap and valve body two pieces, following static seal can be adopted to be fixedly connected mode:
A, connecting body form static seal with valve gap alone and are fixedly connected;
B, connecting body alone and valve gap and valve body form static seal between each and be fixedly connected;
C, connecting body with guide sleeve or/and together with sleeve and valve gap form static seal between each and be fixedly connected;
D, connecting body with guide sleeve or/and together with sleeve and valve gap and valve body form static seal between each and be fixedly connected.
5. bellows spool pipe valve shape valve according to claim 1, is characterized in that: the valve rod of described valve connects with lower core body, and connecting mode can adopt and be fixedly connected, and also can adopt relatively turnable connection.
6. bellows spool pipe valve shape valve according to claim 1, is characterized in that: described valve, adopts valve stem seal bellows, stops medium to leak from valve rod, can form the valve with bellows packing seal form.
7. bellows spool pipe valve shape valve according to claim 1, is characterized in that: the medium channel in the connecting body of described valve and valve pocket between mesopore is unlimited, has stop valve functional character, uses as stop valve.
8. bellows spool pipe valve shape valve according to claim 1, is characterized in that: have telescoping structure between the medium channel in the connecting body of described valve and valve pocket between mesopore, have telescoping valve functional character, use as telescoping valve; The formation of telescoping structure has following several mode usually: a, connecting body itself are with regulating the extended body of window, and in it and valve body, mesopore outer edge part overlaps and forms telescoping structure; B, connecting body and valve have specially with regulating window and coordinating with the sleeve part that mesopore outward edge in valve body overlaps, form telescoping structure; C, connecting body are inherently with the telescoping structure regulating window; D, connecting body and valve have specially with regulating the sleeve part of window and partial sleeves cavity to coordinate, form telescoping structure; E, connecting body and valve base piece overlap and form telescoping structure, and connecting body or valve base piece have adjustment window; F, connecting body form the telescoping structure having and regulate window together with other part.
9. the bellows spool pipe valve shape valve according to claim 1 or 8, is characterized in that: the adjustment window of described valve, can be positioned on connecting body or be positioned on valve base piece, also can be positioned on sleeve, or being made up of the part forming telescoping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756903.8U CN204267749U (en) | 2014-12-06 | 2014-12-06 | Bellows spool pipe valve shape valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420756903.8U CN204267749U (en) | 2014-12-06 | 2014-12-06 | Bellows spool pipe valve shape valve |
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| Publication Number | Publication Date |
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| CN204267749U true CN204267749U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420756903.8U Withdrawn - After Issue CN204267749U (en) | 2014-12-06 | 2014-12-06 | Bellows spool pipe valve shape valve |
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| CN (1) | CN204267749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736706A (en) * | 2014-12-06 | 2016-07-06 | 申宝光 | Stop valve with bellow type valve element |
| CN110725961A (en) * | 2019-11-05 | 2020-01-24 | 申宝光 | Double-seat sleeve valve with corrugated pipe on sleeve |
| CN112032326A (en) * | 2020-08-21 | 2020-12-04 | 浙江大学 | Segmented piston valve core structure, assembly, valve and method thereof |
-
2014
- 2014-12-06 CN CN201420756903.8U patent/CN204267749U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736706A (en) * | 2014-12-06 | 2016-07-06 | 申宝光 | Stop valve with bellow type valve element |
| CN105736706B (en) * | 2014-12-06 | 2018-07-10 | 申宝光 | Bellows spool pipe valve shape valve |
| CN110725961A (en) * | 2019-11-05 | 2020-01-24 | 申宝光 | Double-seat sleeve valve with corrugated pipe on sleeve |
| CN112032326A (en) * | 2020-08-21 | 2020-12-04 | 浙江大学 | Segmented piston valve core structure, assembly, valve and method thereof |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170818 Address after: 112500 Siping Industrial Zone, Changtu County, Liaoning, Tieling Patentee after: Liaoning Longbaizhou Mechanical and Electrical Technology Co., Ltd. Address before: 136001, Siping City, Jilin Province East flat East Street No. three, 901, North building, 5 units, building 501, room 5 Patentee before: Shen Baoguang |
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Granted publication date: 20150415 Effective date of abandoning: 20180710 |
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| AV01 | Patent right actively abandoned |