CN219734228U - Special bellows stop valve of chlorine - Google Patents
Special bellows stop valve of chlorine Download PDFInfo
- Publication number
- CN219734228U CN219734228U CN202320520272.9U CN202320520272U CN219734228U CN 219734228 U CN219734228 U CN 219734228U CN 202320520272 U CN202320520272 U CN 202320520272U CN 219734228 U CN219734228 U CN 219734228U
- Authority
- CN
- China
- Prior art keywords
- valve
- fixedly connected
- corrugated pipe
- valve rod
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 16
- 239000000460 chlorine Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 210000004907 gland Anatomy 0.000 claims description 10
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model relates to the technical field of stop valves, in particular to a special corrugated pipe stop valve for chlorine, which comprises a valve body, wherein the upper end of the valve body is fixedly connected with a valve cover, the middle part of the valve cover is penetrated and movably connected with a valve rod, the joint of the valve body and the valve cover is provided with a sealing gasket, the bottom end of the valve rod is fixedly connected with a valve core, the valve core is positioned above a valve seat, the top end of the valve rod is fixedly connected with a hand wheel, the middle part of an outer ring of the valve rod is provided with a pressing plate, a filling material is arranged below the pressing plate, a corrugated pipe is arranged below the filling material, and the upper end and the lower end of the corrugated pipe are respectively provided with two sealing mechanisms.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a special corrugated pipe stop valve for chlorine.
Background
The special stop valve for chlorine is mainly used for the working conditions of chlorine and liquid chlorine of chemical industry and enterprises using the chlorine and the liquid chlorine, and is connected or used for controlling the flow of media. The existing corrugated pipe stop valve has the advantages that the valve cover has no inner cavity, and the corrugated pipe is only arranged in the inner cavity of the valve body, so that the corrugated pipe is short, the number of the sections is small, the expansion coefficient is small, and the corrugated pipe is easy to damage, so that the medium is leaked; moreover, the upper part of the valve rod and the middle part of the valve body are easy to leak, the leaked inflammable and explosive medium is easy to fire or explode, the medium is impacted in the process, solid impurities and crystals in the medium are mixed in the gap of the corrugated pipe, and the corrugated pipe is damaged in the valve opening process, so that the service life of the valve is reduced.
The special corrugated pipe stop valve for chlorine according to the publication No. CN201934783U comprises a valve body, wherein a valve cover is arranged on the valve body, the valve cover is fixed through a bolt, and a nut is screwed; the valve clack is arranged at the lower end of the valve rod and is in contact seal with the sealing surface of the valve body, the upper end of the valve cover is provided with a hand wheel, and the hand wheel is fixed through a cap; a sealing pot is arranged between the valve body and the valve cover, carbon is arranged between the sealing pot and the valve body, a corrugated pipe is arranged in an inner cavity of the valve cover and is fixed on the sealing pot, filler is arranged in a groove formed between the middle part of the valve cover and the valve rod, the filler is fixed on a filler opening through a pressing plate, and a positioning plate is arranged at the upper end of the valve rod and is fixed through a positioning pin; and a composite pad is arranged between the sealing pot and the valve body, a valve nut is arranged between the valve cover and the valve rod, and the valve nut is arranged at the lower end of the hand wheel. However, the sealing mode drives the sealing structure to deviate when the valve rod moves up and down, and gaps are generated at the joint, so that chlorine gas is leaked.
In view of this, we propose a bellows stop valve dedicated to chlorine.
Disclosure of Invention
In order to make up for the defects, the utility model provides the special corrugated pipe stop valve for the chlorine.
The technical scheme of the utility model is as follows:
a special bellows stop valve of chlorine, its characterized in that: the valve comprises a valve body, wherein the upper end of the valve body is fixedly connected with a valve cover, the middle part of the valve cover is penetrated and movably connected with a valve rod, and the inside of the valve body is fixedly connected with a valve seat.
As an optimal technical scheme, a sealing gasket is arranged at the joint of the valve body and the valve cover.
As the preferable technical scheme, the valve rod bottom fixedly connected with case, the case is located the disk seat top, valve rod top fixedly connected with hand wheel.
As the preferable technical scheme, the upper end of the valve cover is fixedly connected with a gland, the front side and the rear side of the gland are fixedly connected with brackets, and the valve rod penetrates through the middle parts of the valve cover, the gland and the brackets.
As the preferable technical scheme, the middle part of the valve rod outer ring is provided with a pressing plate, a filling material is arranged below the pressing plate, a corrugated pipe is arranged below the filling material, and two sealing mechanisms are respectively arranged at the upper end and the lower end of the corrugated pipe.
As the preferable technical scheme, sealing mechanism includes spacing seat, every spacing seat inside symmetry has seted up two spacing grooves, spacing groove bottom fixedly connected with fixed gasket, fixed gasket outer end fixedly connected with spring, spring outer end fixedly connected with slip gasket, slip gasket lower extreme is provided with the transition inclined plane, sliding connection has sealing block on the inclined plane, sealing block fixedly connected with is in on the valve rod.
As an optimal technical scheme, the left end and the right end of the valve body are respectively provided with an air outlet and an air inlet.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the sealing mechanisms are arranged at the upper end and the lower end of the corrugated pipe, so that the gasket is always clung to the rod body in the moving process of the valve rod, the sealing effect is good, the corrugated pipe is separated from chlorine, the possibility of chlorine leakage is reduced, and the corrugated pipe is protected from corrosion.
Drawings
FIG. 1 is a front elevational view of the overall structure of the present utility model;
FIG. 2 is a side view of the overall structure of the present utility model;
FIG. 3 is an elevational cross-sectional view of the overall structure of the present utility model;
fig. 4 is a schematic structural view of a sealing mechanism of the present utility model.
In the figure: 1. a valve body; 2. a valve cover; 3. a valve core; 4. a valve stem; 5. a hand wheel; 6. a filler material; 7. a pressing plate; 8. a sealing mechanism; 801. a limit seat; 802. a limit groove; 803. fixing the gasket; 804. a spring; 805. sliding the gasket; 9. a sealing gasket; 10. a gland; 11. an air outlet; 12. an air inlet; 13. a bracket; 14. a bellows; 15. a valve seat; 16. and a sealing block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present utility model provides a technical solution:
a special bellows stop valve of chlorine, its characterized in that: the valve comprises a valve body 1, wherein the upper end of the valve body 1 is fixedly connected with a valve cover 2, the middle part of the valve cover 2 is penetrated and movably connected with a valve rod 4, and the inside of the valve body 1 is fixedly connected with a valve seat 15.
It should be added that sealing measures are provided at the joints of the valve rod 4 and the valve body.
Preferably, in this embodiment, a sealing gasket 9 is disposed at the connection between the valve body 1 and the valve cover 2.
As the preference of this embodiment, the bottom end of the valve rod 4 is fixedly connected with the valve core 3, the valve core 3 is located above the valve seat 15, and the top end of the valve rod 4 is fixedly connected with the hand wheel 5.
As the preference of this embodiment, the upper end of the valve cover 2 is fixedly connected with a gland 10, the front and back sides of the gland 10 are fixedly connected with a bracket 13, the valve rod 4 penetrates through the middle parts of the valve cover 2, the gland 10 and the bracket 13, and the valve rod 4 is movably connected and can rotate.
It should be noted that, the valve rod 4 can be driven to move up and down by rotating the hand wheel 5 so as to open or close the valve.
As a preference of the embodiment, a pressing plate 7 is arranged in the middle of the outer ring of the valve rod 4, a filling material 6 is arranged below the pressing plate 7, a corrugated pipe 14 is arranged below the filling material 6, and two sealing mechanisms 8 are respectively arranged at the upper end and the lower end of the corrugated pipe 14.
As a preferred embodiment, the sealing mechanism 8 includes a limiting seat 801, two limiting grooves 802 are symmetrically formed in each limiting seat 801, a fixed gasket 803 is fixedly connected to the bottom of each limiting groove 802, a spring 804 is fixedly connected to the outer end of each fixed gasket 803, a sliding gasket 805 is fixedly connected to the outer end of each spring 804, a transition inclined plane is arranged at the lower end of each sliding gasket 805, a sealing block 16 is slidably connected to the inclined plane, and the sealing block 16 is fixedly connected to the valve rod 4.
In particular use, the sliding gasket 805 has a surface size that matches the surface size of the sealing block 16.
Preferably, in this embodiment, the left and right ends of the valve body 1 are respectively provided with an air outlet 11 and an air inlet 12.
When the special corrugated pipe stop valve for chlorine is used, when the hand wheel 5 is rotated to enable the valve rod 4 to move upwards, the sealing block 16 presses the sliding gasket 805 to move towards the inside of the limiting groove 802, and when the valve rod 4 stops moving, the spring 804 pushes the sliding gasket 805 to return to the position close to the surface of the valve rod 4, so that sealing is completed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. A special bellows stop valve of chlorine, its characterized in that: the valve comprises a valve body (1), wherein the upper end of the valve body (1) is fixedly connected with a valve cover (2), the middle part of the valve cover (2) is movably connected with a valve rod (4) in a penetrating way, and the inside of the valve body (1) is fixedly connected with a valve seat (15);
a sealing gasket (9) is arranged at the joint of the valve body (1) and the valve cover (2);
a pressing plate (7) is arranged in the middle of the outer ring of the valve rod (4), a filling material (6) is arranged below the pressing plate (7), a corrugated pipe (14) is arranged below the filling material (6), and two sealing mechanisms (8) are respectively arranged at the upper end and the lower end of the corrugated pipe (14);
sealing mechanism (8) are including spacing seat (801), every two spacing grooves (802) have been seted up to spacing seat (801) inside symmetry, fixed bolster (803) are fixedly connected with to spacing groove (802) bottom, fixed bolster (803) outer end fixedly connected with spring (804), spring (804) outer end fixedly connected with sliding gasket (805), sliding gasket (805) lower extreme is provided with the transition inclined plane, sliding connection has sealing block (16) on the inclined plane, sealing block (16) fixedly connected with is in on valve rod (4).
2. The special corrugated pipe stop valve for chlorine gas as defined in claim 1, wherein: the valve is characterized in that a valve core (3) is fixedly connected to the bottom end of the valve rod (4), the valve core (3) is located above the valve seat (15), and a hand wheel (5) is fixedly connected to the top end of the valve rod (4).
3. The special corrugated pipe stop valve for chlorine gas as defined in claim 1, wherein: the valve cover is characterized in that a gland (10) is fixedly connected to the upper end of the valve cover (2), supports (13) are fixedly connected to the front side and the rear side of the gland (10), and the valve rod (4) penetrates through the middle parts of the valve cover (2), the gland (10) and the supports (13).
4. The special corrugated pipe stop valve for chlorine gas as defined in claim 1, wherein: the left end and the right end of the valve body (1) are respectively provided with an air outlet (11) and an air inlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520272.9U CN219734228U (en) | 2023-03-17 | 2023-03-17 | Special bellows stop valve of chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520272.9U CN219734228U (en) | 2023-03-17 | 2023-03-17 | Special bellows stop valve of chlorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734228U true CN219734228U (en) | 2023-09-22 |
Family
ID=88053617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320520272.9U Active CN219734228U (en) | 2023-03-17 | 2023-03-17 | Special bellows stop valve of chlorine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734228U (en) |
-
2023
- 2023-03-17 CN CN202320520272.9U patent/CN219734228U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219734228U (en) | Special bellows stop valve of chlorine | |
| CN2926698Y (en) | Fixed membrane metal sealed spherical valve | |
| CN2416290Y (en) | Cone seal stop valve for liquid caustic soda | |
| CN207131902U (en) | Upper dress formula full-bore LNG soft seal zero leakage two-way valves | |
| CN203131068U (en) | High-sealing wedge gate valve | |
| CN201875183U (en) | Top assembling type two dimensional half ball valve of valve seat | |
| CN210484681U (en) | Electric three-way stop valve | |
| CN204784765U (en) | Three eccentric low temperature butterfly valves | |
| CN210510352U (en) | High-safety die forging ball valve | |
| CN201302007Y (en) | Corrugated pipe stop valve | |
| CN210531618U (en) | Pneumatic stop valve for high-pressure oxygen | |
| CN210372107U (en) | Ultra-low temperature fixed ball valve for new energy photovoltaic industry | |
| CN207349520U (en) | One kind, which automatically resets, closes block valve | |
| CN206409655U (en) | A kind of buried gate valve of cast steel | |
| CN2343423Y (en) | Fluoroplastic full-lining stop valve for chlor-alkali | |
| CN201651333U (en) | Special valve for chlorine gas | |
| CN2700651Y (en) | Refrigerating valve | |
| CN206816841U (en) | A kind of oil-gas pipeline airtight valve | |
| CN2809357Y (en) | High and middle pressure corrugated pipe stop valve | |
| CN212839554U (en) | Novel sealing structure of three-way quick reversing valve | |
| CN107420575A (en) | Upper dress formula full-bore LNG soft seal zero leakage two-way valves | |
| CN203131075U (en) | Double-sealing wedge gate valve with reinforcing gate plate | |
| CN216519714U (en) | Two-piece type cast steel fixed ball valve in fine chemical industry | |
| CN218670680U (en) | Three-eccentric sealing butterfly valve | |
| CN213744926U (en) | Novel sealed zero-leakage poppet valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |