CN220248966U - Y-shaped stop valve with middle bolt - Google Patents
Y-shaped stop valve with middle bolt Download PDFInfo
- Publication number
- CN220248966U CN220248966U CN202322142500.6U CN202322142500U CN220248966U CN 220248966 U CN220248966 U CN 220248966U CN 202322142500 U CN202322142500 U CN 202322142500U CN 220248966 U CN220248966 U CN 220248966U
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- Prior art keywords
- valve
- packing
- valve body
- cavity
- clack
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- 238000012856 packing Methods 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 29
- 239000000725 suspension Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 239000008358 core component Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses a Y-shaped stop valve with a middle bolt, which relates to the technical field of valves and comprises a valve body, wherein the valve body is provided with an inlet cavity and an outlet cavity, the inlet cavity and the outlet cavity are communicated through the middle cavity of the valve body, the upper end of the valve body is provided with a valve rod, the upper end of the valve rod is connected with a hand wheel, the lower end of the valve rod extends into the valve body and extends to the middle cavity of the valve body, the lower end of the valve rod is provided with a valve clack, and the inlet cavity and the outlet cavity are arranged on the same side by taking the longitudinal section of the valve clack as a reference. The utility model can be directly installed at the corner of the pipeline, reduces the use of bent pipes, has small flow coefficient and small pipeline fluid resistance, can effectively reduce the leakage probability of the pipeline system and prolongs the service life of the pipeline system.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a Y-shaped stop valve with a middle bolt.
Background
The stop valve is a valve with small friction force between sealing surfaces in the opening and closing process, and has the advantages of durability, small opening height, easiness in manufacturing, convenience in maintenance, wider application range and the like. The closing principle of the stop valve is that the valve rod pressure is used for tightly attaching the valve clack sealing surface and the valve seat sealing surface to prevent medium circulation.
At present, all stop valves on the market need to rely on bent pipes and connectors to change the gas-liquid flowing direction, but under the condition of limited space, the connection needs proper connectors and bent pipes, the flow coefficient of the traditional stop valve is larger, the pressure loss is small when fluid flows through the valve, the impact force of the fluid on the connectors and the bent pipes is larger, the probability of leakage is increased, and multiple leakage is easy to cause.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the Y-shaped stop valve with the middle bolt, which can reduce the use of bent pipes under the condition of limited space, has small flow coefficient and is not easy to leak.
The technical scheme provided by the utility model is as follows:
the utility model provides a middle part bolt Y type stop valve, includes the valve body, the valve body is equipped with inlet chamber and export chamber, inlet chamber and export chamber pass through valve body middle chamber intercommunication, the valve body upper end is equipped with the valve rod, the valve rod upper end is connected with the hand wheel, and the lower extreme stretches into in the valve body and extends to valve body middle chamber, the valve rod lower extreme is equipped with the valve clack, inlet chamber and export chamber use the longitudinal section of valve clack to set up as benchmark homonymy.
The central axis of the inlet cavity and the central axis of the outlet cavity form an included angle of 90 degrees.
The central axis of the inlet cavity and the central axis of the valve rod form an included angle of 45 degrees, and the central axis of the outlet cavity and the central axis of the valve rod form an included angle of 45 degrees.
The valve body is characterized in that a valve core component is arranged at the lower end of the valve clack, and a first sealing surface in sealing fit with the valve clack and a second sealing surface in sealing fit with the valve core component are arranged in the inner cavity of the valve body.
The valve core assembly comprises a valve core suspension and a valve core, the valve core suspension is detachably connected with the valve clack through a screw, the valve core suspension is provided with a mounting groove, the valve core is I-shaped, and the upper end of the valve core is limited in the mounting groove.
An elastic piece is arranged between the valve core suspension and the valve core.
An upper sealing seat is arranged in the inner cavity of the valve body and is arranged above the valve clack.
The upper sealing seat is characterized in that a packing assembly is arranged on the upper side of the upper sealing seat and comprises a packing pad, packing and a packing pressing sleeve, the packing is arranged on the packing pad, the packing pressing sleeve is arranged on the packing and used for pressing packing, a packing pressing plate is arranged on the upper side of the packing assembly, and the packing pressing plate is fixed with the valve body through a stud nut.
The utility model has the beneficial effects that: according to the utility model, the inlet cavity and the outlet cavity are arranged on the same side by taking the longitudinal section of the valve clack as a reference, so that the stop valve can be directly installed at the corner of the pipeline, the use of the bent pipe is reduced, and compared with the traditional stop valve, the inlet cavity and the outlet cavity arranged on the same side can buffer media when passing through the middle cavity, the flow coefficient is small, the pipeline fluid resistance is small, the leakage probability of the pipeline system is reduced, and the service life of the pipeline system is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a partial enlarged view of fig. 1.
Description of the embodiments
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in fig. 1, a middle bolt Y-shaped stop valve comprises a valve body 1, the valve body 1 is provided with an inlet cavity 41 and an outlet cavity 42, the inlet cavity 41 and the outlet cavity 42 are communicated through a middle cavity of the valve body 1, the upper end of the valve body 1 is provided with a valve rod 7, the upper end of the valve rod 7 is connected with a hand wheel 19, the lower end of the valve rod 7 stretches into the valve body 1 and extends to the middle cavity of the valve body, the lower end of the valve rod 1 is provided with a valve clack 6, the hand wheel 19 is rotated to drive the valve rod 7 to move up and down, so that the valve clack 6 moves up and down to realize opening and closing of the valve, the inlet cavity 41 and the outlet cavity 42 are arranged on the same side by taking the longitudinal section of the valve clack 6 as a reference, the stop valve can be directly installed at a pipeline corner, the use of an elbow is reduced, when the valve is opened, a medium enters the middle cavity from the inlet cavity 41, flows out from the outlet cavity 42 after passing through the middle cavity, compared with the stop valves arranged on different sides of the middle cavity, the middle cavity of the stop valve can provide buffering for the medium, the flow coefficient is small, the pipeline fluid resistance is small, the middle cavity of the stop valve can reduce the leakage probability of a pipeline system, and the service life of the pipeline system is prolonged. This stop valve compares in traditional stop valve, with valve gap and valve body integrated into one piece, and after its installation in pipe-line system, under the circumstances of breaking down, only need change the valve rod valve clack and need not to dismantle whole valve, inlet chamber 41 and outlet chamber 42 still with the pipeline intercommunication can supply the medium to pass through, prevent the leakage problem because of dismantling the installation process and lead to.
Further, the axis of import chamber 41 is 90 contained angles with the axis of export chamber 42, and 90 contained angles are comparatively general, can directly install in pipeline corner department, and still further, the axis of import chamber 41 is 45 contained angles with the axis of valve rod 7, and the axis of export chamber 42 is 45 contained angles with the axis of valve rod 7, makes things convenient for the valve installation, also can produce the stop valve of specific angle according to actual installation scene.
As shown in fig. 2, the lower end of the valve clack 6 is provided with a valve core component, the inner cavity of the valve body 1 is provided with a first sealing surface 31 in sealing fit with the valve clack and a second sealing surface 32 in sealing fit with the valve core component, the valve core component comprises a valve core suspension 4 and a valve core 2, the valve core suspension 4 is detachably connected with the valve clack 6 through a screw 5, the valve core suspension 4 is provided with a mounting groove, the valve core 2 is in an I shape, the upper end of the valve core 2 is limited in the mounting groove, a spring 3 is arranged between the valve core suspension 4 and the valve core 2, the spring 3 is in a compressed state, the valve core 2 is pressed down, the medium is prevented from impacting the second sealing surface 32 to enable the valve core 2 to move upwards to affect sealing, and an upper sealing structure and a lower sealing structure are adopted, the second sealing surface can still be ensured after one sealing surface fails, the whole sealing effect of the valve is improved, preferably, the overlaying welding of the sealing surface can be enlarged at the corner of a cavity flow passage in the valve body, and the whole corrosion resistance and scouring resistance are improved.
In this embodiment, the inner chamber of valve body 1 is equipped with seal seat 8, upper seal seat 8 locates valve clack 6 top, upper seal seat 8 upside is equipped with spline nut 9, packing pad 10, packing 11, packing press sleeve 14, packing clamp plate 15, spline nut 9 is used for installing fixed upper seal seat 8, packing 11 adopts the stainless steel wire of SET flexible graphite clamp, packing pad 10 is used for supporting packing 11, packing press sleeve 14 locates on packing 11 and is used for compressing tightly the packing, packing clamp plate 15 is fixed with valve body 1 through double-screw bolt 13 nut 12, upper seal seat 8 and packing 11 cooperation prevent that the fluid medium in the valve body 1 from leaking outward, improve the leakproofness of valve.
The examples should not be construed as limiting the utility model, and any non-inventive modifications based on the spirit of the utility model should be regarded as being within the scope of the utility model.
Claims (8)
1. The utility model provides a middle part bolt Y type stop valve, includes the valve body, the valve body is equipped with inlet chamber and export chamber, inlet chamber and export chamber pass through valve body lumen intercommunication, the valve body upper end is equipped with the valve rod, the valve rod upper end is connected with the hand wheel, and the lower extreme stretches into in the valve body and extends to valve body lumen, the valve rod lower extreme is equipped with valve clack, its characterized in that: the inlet cavity and the outlet cavity are arranged on the same side by taking the longitudinal section of the valve clack as a reference.
2. The middle bolt Y-shut off valve of claim 1 wherein: the central axis of the inlet cavity and the central axis of the outlet cavity form an included angle of 90 degrees.
3. A mid-bolt Y-stop valve as set forth in claim 2 wherein: the central axis of the inlet cavity and the central axis of the valve rod form an included angle of 45 degrees, and the central axis of the outlet cavity and the central axis of the valve rod form an included angle of 45 degrees.
4. The middle bolt Y-shut off valve of claim 1 wherein: the valve body is characterized in that a valve core component is arranged at the lower end of the valve clack, and a first sealing surface in sealing fit with the valve clack and a second sealing surface in sealing fit with the valve core component are arranged in the inner cavity of the valve body.
5. The middle bolt Y-shut off valve of claim 4 wherein: the valve core assembly comprises a valve core suspension and a valve core, the valve core suspension is detachably connected with the valve clack through a screw, the valve core suspension is provided with a mounting groove, the valve core is I-shaped, and the upper end of the valve core is limited in the mounting groove.
6. The middle bolt Y-shut off valve of claim 5 wherein: an elastic piece is arranged between the valve core suspension and the valve core.
7. The middle bolt Y-shut off valve of claim 1 wherein: an upper sealing seat is arranged in the inner cavity of the valve body and is arranged above the valve clack.
8. The middle bolt Y-shut off valve of claim 7 wherein: the upper sealing seat is characterized in that a packing assembly is arranged on the upper side of the upper sealing seat and comprises a packing pad, packing and a packing pressing sleeve, the packing is arranged on the packing pad, the packing pressing sleeve is arranged on the packing and used for pressing packing, a packing pressing plate is arranged on the upper side of the packing assembly, and the packing pressing plate is fixed with the valve body through a stud nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322142500.6U CN220248966U (en) | 2023-08-10 | 2023-08-10 | Y-shaped stop valve with middle bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322142500.6U CN220248966U (en) | 2023-08-10 | 2023-08-10 | Y-shaped stop valve with middle bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248966U true CN220248966U (en) | 2023-12-26 |
Family
ID=89271728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322142500.6U Active CN220248966U (en) | 2023-08-10 | 2023-08-10 | Y-shaped stop valve with middle bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248966U (en) |
-
2023
- 2023-08-10 CN CN202322142500.6U patent/CN220248966U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |