CN207814470U - A kind of multi-sealed combination valve - Google Patents
A kind of multi-sealed combination valve Download PDFInfo
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- CN207814470U CN207814470U CN201820042207.9U CN201820042207U CN207814470U CN 207814470 U CN207814470 U CN 207814470U CN 201820042207 U CN201820042207 U CN 201820042207U CN 207814470 U CN207814470 U CN 207814470U
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Abstract
The utility model provides a kind of multi-sealed combination valve, including is internally provided with the valve body of runner, further includes along the distribution arrangement setting of the runner, controlling at least two groups valve rod assembly of liquid break-make.The multi-sealed combination valve is provided at least two groups valve rod assembly along the distribution arrangement of valve inner runner, and at least two groups valve rod assembly coordinates jointly, realizes being turned on and off for valve body.When the impaired failure of one of which valve rod assembly, other valve rod assemblies remain to play sealing function, greatly improve the sealing performance of valve body entirety.Therefore, multi-sealed combination valve provided by the utility model, leakage prevention capability is stronger, and sealing performance is more preferable.
Description
Technical field
The utility model is related to combination valve technical fields, more specifically to a kind of multi-sealed combination valve.
Background technology
Under the environment such as high temperature, high pressure, vacuum, the sealing surface easily erosion and damage of combination valve, and then cause in valve body
Leakage, causes energy waste, brings huge economic loss to user.
Combination valve in the prior art is mostly single sealing compositive valve only with single-stage sealing, and sealing surface is fragile,
Especially under the environment such as high temperature, high pressure or vacuum, it is too fast that high temperature difference and High Pressure Difference easily lead to vapour, liquid medium flow velocity, and seals
Face easily forms the case where damage sealing surface such as " flash distillation, cavitation ", once destroying, leakage can increase sharply sealing surface.
Therefore, how to improve the leakproofness of combination valve, reduce the cost of use of combination valve, be those skilled in the art there is an urgent need for
The technical issues of solution.
Utility model content
The purpose of this utility model is to provide a kind of multi-sealed combination valve, can solve liquid under high temperature, hyperbaric environment
The problem of body leaks.
Multi-sealed combination valve provided by the utility model, including it is internally provided with the valve body of runner, further include along described
The distribution arrangement setting of runner, controlling at least two groups valve rod assembly of liquid medium break-make.
Preferably, valve rod assembly described at least two groups is specially valve rod assembly described in two groups, including shut-off valve assemblies and ball
Valve module；
The shut-off valve assemblies include ending valve rod, the spool for being installed on the cut-off valve rod front end, being sheathed on described cut
Only the cut-off pressing sleeve of valve rod outer diameter, be installed on the cut-off pressing sleeve upper surface pressing plate, be sheathed on the cut-off pressing sleeve peripheral surface
Cage set, to fixation cage set valve seat and be installed on the first metal wound gasket of the valve seat lower face；
The ball valve assembly includes ball valve rod, is installed on the sphere of the ball valve boom end, to the fixation sphere
Ball valve seat, the ball pressing sleeve for being sheathed on the ball valve rod outer diameter and the ball pressing plate for being installed on ball pressing sleeve upper surface.
Preferably, the valve body include left valve barrel and with the close-fitting right valve barrel of the left valve barrel；
The runner include be set to the left valve barrel inside left runner and laterally be set to the right valve barrel inside, and with
The right runner that the left runner communicates；
Wherein,
The left runner include along liquid flow direction be arranged diagonally downward be passed through runner and straight up setting and
With the intermediate flow channel for being passed through runner and the right runner and communicating.
Preferably, it is sealed by the first metal wound gasket between the left valve barrel and the right valve barrel.
Preferably, it is sealed by the second metal wound gasket between the cage set and the left valve barrel.
Preferably, further include being connected respectively with the ball valve rod with the cut-off valve rod, driving the cut-off valve rod
The transmission device of longitudinal movement and ball valve rod rotation.
Preferably, the transmission device is specially to be driven handwheel.
Compared with the background art, multi-sealed combination valve provided by the utility model, along the distribution of valve inner runner
Direction is provided at least two groups valve rod assembly, and at least two groups valve rod assembly coordinates jointly, realizes the opening and closing of valve body.When it
In the impaired failure of one group of valve rod assembly when, other group of valve rod assembly remains to play sealing function, greatly improves the close of valve body
Feng Xing, leakage prevention capability is stronger, and sealing performance is more preferable.
In addition, when mounted, by each group valve rod assembly integral installation to valve body, such as one or more groups of valve rod assemblies leak
When, only the component leaked need to will occur and integrally remove and replaced, remaining parts can be still continuing with, therefore, letter
Change assembling and dissembling process, saves maintenance cost.
Therefore, multi-sealed combination valve provided by the utility model, good airproof performance, maintenance cost is low, can solve
The problem of liquid medium leaks under the adverse circumstances such as high temperature, high pressure.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structure sectional view of multi-sealed combination valve provided by the utility model.
Wherein, 1 cut-off valve rod, 2 pressing plates, 3 cut-off pressing sleeves, 4 first packing layers, 5 third metal wound gaskets, 6 cage sets, 7 valves
Core, 8 valve seats, 9 second metal wound gaskets, 10 left valve barrels, 11 ball valve rods, 12 ball pressing plates, 13 ball pressing sleeves, 14 second packing layers, 15
Right valve barrel, 16 right runners, 17 spheres, 18 ball valve seats, 19 ball disc springs, 20 left runners.
Specific implementation mode
The core of the utility model is to provide a kind of multi-sealed combination valve, and good airproof performance can solve high temperature, high pressure
The problem of liquid medium leaks under environment.
It should be noted that the herein presented noun of locality " left and right, horizontal, vertical " direction refer in Fig. 1 it is left and right,
Horizontal, longitudinal direction；"inner" refers to left valve barrel in Fig. 1 or the direction inside right valve barrel, and "outside" refers to left valve barrel or right valve in Fig. 1
Direction outside body.The herein presented noun of locality is to be with the usage and Figure of description of those skilled in the art
Benchmark and set up, their appearance should not influence the scope of protection of the utility model.
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
Referring to FIG. 1, Fig. 1 is the structure sectional view of multi-sealed combination valve provided by the utility model.
The utility model provides a kind of multi-sealed combination valve, including is internally provided with the valve body of runner, valve body by high temperature resistant,
High pressure resistant material is made, and to ensure valve body under the adverse circumstances such as high temperature, high pressure, still has good working performance；Runner is horizontal
To set on the inside of valve body, for the liquid communication of valve inner, the cross sectional shape of runner be mostly it is round, with facilitate processing and
It cleans, certainly, the cross sectional shape of runner can also be varied.
At least two groups valve rod assembly is installed on valve body, is arranged along the distribution arrangement of runner, it is corresponding, it is opened on valve body
Equipped with multiple mounting holes, one group of valve rod assembly is installed in any mounting hole, passes through the common cooperation of multigroup valve rod assembly, you can
It realizes unlatching and closing for valve body, so set, being obviously improved the sealing performance of valve body entirety, and can effectively prevent
The leakage of valve inner liquid medium.
Specifically, the group number of valve rod group bar is specially two groups, and one is shut-off valve assemblies, secondly be ball valve assembly,
In, shut-off valve assemblies include ending valve rod 1, the spool 7 for being installed on 1 front end of cut-off valve rod, being sheathed on cutting for cut-off 1 outer diameter of valve rod
Only pressing sleeve 3,3 upper surface of cut-off pressing sleeve are equipped with pressing plate 2, and cut-off 3 peripheral surface of pressing sleeve is arranged with cage set 6, ends the inside of pressing sleeve 3
Filled with the first packing layer 4, the lower end of cage set 6 is equipped with to the valve seat 8 of fixed cage set 6, and the lower face of valve seat 8 is equipped with the
One metal wound gasket 9；In addition, ball valve assembly includes ball valve rod 11, the sphere 17 that is installed on 11 end of ball valve rod, to fixed ball
It the ball valve seat 18 of body 17, the ball pressing sleeve 13 for being sheathed on 11 outer diameter of ball valve rod and is installed on 13 upper surface of ball pressing sleeve and is sheathed on ball
The inside of the ball pressing plate 12 of 11 outer diameter of valve rod, ball pressing sleeve 13 is filled with the second packing layer 14, the first packing layer 4 and the second packing layer
14 are made of graphite material, end pressing sleeve 3 and ball pressing sleeve 13 respectively by its internal the first packing layer 4 and the second packing layer
14 compress, and then compress cut-off valve rod 1 and ball valve rod 11；In addition, for the sealing for realizing between shut-off valve assemblies and valve body, in cage
Setting third metal wound gasket 5 between set 6 and valve body.
It is corresponding to realize the installation of shut-off valve assemblies and ball valve assembly, it offers to install respectively on valve body and cut
The only shut-off valve assemblies mounting hole and ball valve assembly mounting hole of valve module and ball valve assembly, wherein shut-off valve assemblies mounting hole is
The identical circular cross section bores of aperture size, the structure of bottom hole is identical as 9 structure of the second metal wound gasket, so that the second metal is wound
Pad 9 fits with bottom hole, to realize the installation and fixation of the second metal wound gasket 9；In addition, ball valve assembly mounting hole includes using
With mounting ball valve rod 11 and ball pressing sleeve 13 and with the axis of shut-off valve assemblies mounting hole club mounting hole disposed in parallel, further include
Set on the lower part of club mounting hole, and communicate therewith, installing the sphere installation hole of sphere 17, sphere installation hole and ball valve seat
Ball disc spring 19 is installed between 18, in addition, the right side of valve body is also equipped with valve deck, is offseted with the spherical surface of sphere 17, to real
The installation and fixation of existing sphere 17.
When mounted, shut-off valve assemblies and ball valve assembly are respectively arranged in shut-off valve mounting hole by connectors such as bolts
In ball valve mounting hole, when being leaked such as shut-off valve assemblies and/or ball valve assembly, the component leaked entirety only will need to more occur
It removes and is replaced the part of damage, without valve body is needed to change, therefore, greatly simplify the assembly and disassembly of valve rod assembly
Journey, and saved use cost.
It, can be by above-mentioned valve design at dismountable split structure, tool in order to be further simplified the assembling and dissembling process of valve body
For body, valve body includes left valve barrel 10 and right valve barrel 15, and above-mentioned shut-off valve assemblies mounting hole and ball valve assembly mounting hole are respectively provided with
In on left valve barrel 10, in addition, left valve barrel 10 is equipped with left runner 20, which includes being arranged diagonally downward along liquid flow direction
Be passed through runner and be set to and be passed through flow field end, and vertically set intermediate flow channel, right valve barrel 15, which is equipped with, laterally to be set
The right runner 16 set is passed through runner, intermediate flow channel and 16 three of right runner and communicates, so that liquid medium is laterally across left valve barrel
10 and right valve barrel 15.
To realize the excellent sealing of left valve barrel 10 and right valve barrel 15, the first gold medal will be set between left valve barrel 10 and right valve barrel 15
Belong to wound gasket, is incited somebody to action by the way that the first metal wound gasket is arranged between left valve barrel 10 and right valve barrel 15, then by connectors such as bolts
Left valve barrel 10 is locked with 15 phase of right valve barrel, to realize the sealing and fixation of left valve barrel 10 and right valve barrel 15.
When opening valve body, cut-off valve rod 1 is moved upwards with movable valve plug 7 along shut-off valve mounting hole, spool 7 far from valve seat 8,
To make to be formed between spool 7 and valve seat 8 to accommodate the channel of liquid medium, ball valve rod 11 drives sphere 17 to be rotated by 90 °, this
When, ball is communicated with the outlet of the right runner 16 of right valve barrel 15, at this point, valve body is in circulation status, realizes the unlatching of valve body.
When valve body, cut-off valve rod 1 is moved downward with movable valve plug 7 along shut-off valve mounting hole, spool 7 close to valve seat 8,
Until being bonded completely with valve seat 8, at this point, the liquid medium in runner is blocked, ball valve rod 11 drives 17 negative direction of sphere immediately
It is rotated by 90 °, at this point, the entity peripheral surface of sphere 17 blocks the outlet of right runner 16, further blocks liquid medium in runner
Circulation, to realize the dual partition and dual-seal of valve body.
It should be noted that above-mentioned first metal wound gasket, the second metal wound gasket 9 and third metal wound gasket 5 are equal
It is formed by the overlapped spiral winding of the flexible materials such as alloy, graphite, asbestos, polytetrafluoroethylene (PTFE), it can be in high temperature, high pressure or true
Still keep good sealing performance, sealing performance stable, reliable under the environment such as sky.
The movement of above-mentioned cut-off valve rod assembly and ball valve assembly can be realized by the transmission device, when transmission device is successive
Driving cut-off valve rod 1 and when ball valve rod 11, cut-off valve rod 1 is moved upwardly or downwardly along cut-off valve rod mounting hole, ball valve rod 11 with
That is driving sphere 17 rotates, and the standard-sized sheet of valve body double sealing structure or fully closed is realized with this, to play valve body double density
The effect of envelope.
Transmission device can be hand transmission device, such as handwheel or electrodynamic type transmission device, such as motor,
Or can be pneumatic drive, such as hydraulic cylinder.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Multi-sealed combination valve provided by the utility model is described in detail above.It is used herein specifically
A example is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to understand this
The method and its core concept of utility model.It should be pointed out that for those skilled in the art, not departing from
Under the premise of the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification
It falls into the protection domain of the utility model claims.
Claims (6)
1. a kind of multi-sealed combination valve, including it is internally provided with the valve body of runner, which is characterized in that further include along the runner
Distribution arrangement setting, controlling at least two groups valve rod assembly of liquid medium break-make；Valve rod assembly described at least two groups is specific
For valve rod assembly described in two groups, including shut-off valve assemblies and ball valve assembly；
The shut-off valve assemblies include cut-off valve rod (1), are installed on the spool (7) of described cut-off valve rod (1) front end, are sheathed on institute
It states the cut-off pressing sleeve (3) of cut-off valve rod (1) outer diameter, the pressing plate (2) for being installed on described cut-off pressing sleeve (3) upper surface, be sheathed on institute
State the cage set (6) of cut-off pressing sleeve (3) peripheral surface and the cut-off valve seat (8) to the fixation cage set (6)；
The ball valve assembly includes ball valve rod (11), is installed on the sphere (17) of the ball valve rod (11) end, to fixed institute
The ball valve seat (18) of sphere (17) is stated, the ball pressing sleeve (13) of the ball valve rod (11) outer diameter is sheathed on and is installed on the ball pressure
Cover the ball pressing plate (12) of (13) upper surface.
2. multi-sealed combination valve according to claim 1, which is characterized in that the valve body include left valve barrel (10) and
With the left valve barrel (10) close-fitting right valve barrel (15)；
The runner includes being set to the internal left runner (20) of the left valve barrel (10) and laterally set on the right valve barrel (15)
Inside, and the right runner (16) communicated with the left runner (20)；
Wherein,
The left runner (20) include along liquid flow direction be arranged diagonally downward be passed through runner and straight up setting and
With the intermediate flow channel for being passed through runner and the right runner (16) and communicating.
3. multi-sealed combination valve according to claim 2, which is characterized in that the left valve barrel (10) and the right valve barrel
(15) it is sealed by the first metal wound gasket between.
4. multi-sealed combination valve according to claim 3, which is characterized in that the cage set (6) and the left valve barrel
(10) it is sealed by the second metal wound gasket (9) between.
5. according to the multi-sealed combination valve of Claims 1 to 4 any one of them, which is characterized in that further include respectively with it is described
Cut-off valve rod (1) is connected with the ball valve rod (11), driving the cut-off valve rod (1) longitudinal movement and the ball valve rod
(11) transmission device rotated.
6. multi-sealed combination valve according to claim 5, which is characterized in that the transmission device is specially to be driven hand
Wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820042207.9U CN207814470U (en) | 2018-01-10 | 2018-01-10 | A kind of multi-sealed combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820042207.9U CN207814470U (en) | 2018-01-10 | 2018-01-10 | A kind of multi-sealed combination valve |
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| Publication Number | Publication Date |
|---|---|
| CN207814470U true CN207814470U (en) | 2018-09-04 |
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ID=63327060
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820042207.9U Active CN207814470U (en) | 2018-01-10 | 2018-01-10 | A kind of multi-sealed combination valve |
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| Country | Link |
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| CN (1) | CN207814470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725957A (en) * | 2019-09-24 | 2020-01-24 | 中泰阀门有限公司 | High pressure resistant double sealing gate valve |
-
2018
- 2018-01-10 CN CN201820042207.9U patent/CN207814470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725957A (en) * | 2019-09-24 | 2020-01-24 | 中泰阀门有限公司 | High pressure resistant double sealing gate valve |
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