CN215806328U - Ultra-low temperature resistant and corrosion resistant quick-closing stop valve - Google Patents
Ultra-low temperature resistant and corrosion resistant quick-closing stop valve Download PDFInfo
- Publication number
- CN215806328U CN215806328U CN202122105475.5U CN202122105475U CN215806328U CN 215806328 U CN215806328 U CN 215806328U CN 202122105475 U CN202122105475 U CN 202122105475U CN 215806328 U CN215806328 U CN 215806328U
- Authority
- CN
- China
- Prior art keywords
- wall
- valve
- welded
- stop valve
- low temperature
- 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.)
- Expired - Fee Related
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 23
- 238000005260 corrosion Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000005192 partition Methods 0.000 claims description 19
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005389 magnetism Effects 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
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model belongs to the technical field of stop valves, in particular to an ultra-low temperature resistant and corrosion resistant quick-closing stop valve, which aims at solving the problems of difficult high and low temperature resistance, corrosion resistance and slow stop valve closing in the background art. All parts of the stop valve are subjected to low-temperature pretreatment by adopting liquid nitrogen, the stop valve can resist ultralow temperature, the corrosion resistance of the stop valve is improved by increasing the thickness of the sealing groove, meanwhile, the inner diameter of the sealing sleeve is matched with the outer diameter of the valve clack, the sealing property of the stop valve is greatly improved, the service life of the stop valve is prolonged, the electromagnetic valve is used for controlling the electrification of the electromagnet, the sealing plate can be quickly attracted to the bottom of the electromagnet, so that the circulation of a medium is blocked, and the effect of quickly closing the stop valve is achieved.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to an ultralow temperature-resistant and corrosion-resistant quick-closing stop valve.
Background
The shut-off valve, also known as a shut-off valve, belongs to a forced seal type valve, so that when the valve is closed, pressure must be applied to the partition plate to force the sealing surface not to leak. When the medium enters the valve from the lower part of the partition plate, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur.
The stop valve is popular because the friction between the sealing surfaces is small in the opening and closing process, the stop valve is durable, the opening height is small, the stop valve is easy to manufacture and convenient to maintain, and the stop valve is not only suitable for medium and low pressure, but also suitable for high pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a quick-closing stop valve with ultralow temperature resistance and corrosion resistance.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the ultra-low temperature resistant and corrosion resistant quick-closing stop valve comprises a valve body, wherein a first sealing mechanism is arranged on the inner wall of the valve body, and comprises a partition plate welded on the inner wall of the valve body, a sealing groove formed in the outer wall of the top of the partition plate and a sealing sleeve welded on the outer wall of the top of the partition plate;
the outer wall of the bottom of the partition plate is provided with a second sealing mechanism, and the second sealing mechanism comprises a mounting ring welded on the outer wall of the bottom of the partition plate, an electromagnet installed on the inner wall of the mounting ring, a sealing plate arranged at the bottom of the electromagnet, and a sliding rod welded on the outer wall of the bottom of the sealing plate.
Preferably, the inner wall of the valve body is welded with connecting rods distributed at equal intervals, the outer wall of one end of each connecting rod is welded with a connecting ring, and the inner wall of each connecting ring is bonded with a rubber ring.
Preferably, the outer wall of the sliding rod is welded with a limiting ring, the outer wall of the bottom of the sliding rod is welded with a handle, the electromagnet is connected with an electromagnetic valve through a lead, and the electromagnetic valve is connected with a power supply.
Preferably, a hand wheel is arranged at the top of the valve body, a valve rod is installed on the inner wall of the hand wheel, and a valve clack is welded on the outer wall of the bottom of the valve rod.
Preferably, the valve rod outer wall spiro union has the screw thread inner tube, and the welding of screw thread inner tube outer wall has the bracing piece of symmetric distribution, and the one end spiro union that the screw thread inner tube was kept away from to the valve rod outer wall has gland, and the welding of gland bottom outer wall has the connecting pipe, and the valve rod cover is established on the inner wall of connecting pipe, and the welding of connecting pipe bottom outer wall has the valve gap, and the outer wall of upper valve gap bottom passes through bolt fixedly connected with lower valve gap.
Preferably, the outer wall of one side of the valve body is welded with a water inlet pipe, and the outer wall of the other side of the valve body is welded with a water outlet pipe.
The utility model has the beneficial effects that:
1. according to the ultra-low temperature resistant and corrosion resistant quick-closing stop valve, all parts of the stop valve are subjected to low-temperature pretreatment by adopting liquid nitrogen, the ultra-low temperature resistant stop valve can resist the ultra-low temperature, the corrosion resistance of the stop valve is improved by increasing the thickness of the sealing groove, meanwhile, the sealing sleeve is arranged on the partition plate, and the inner diameter of the sealing sleeve is matched with the outer diameter of the valve clack, so that the sealing property of the stop valve is greatly improved, and the service life of the stop valve is prolonged;
2. this resistant ultra-low temperature, corrosion-resistant quick-closing stop valve of design, through the circular telegram of solenoid valve control electro-magnet, can be rapid attract the shrouding to the bottom of electro-magnet to block the circulation of medium, played the effect of closing the stop valve rapidly.
Drawings
FIG. 1 is a front view of the overall structure of the ultra-low temperature resistant and corrosion resistant quick-closing stop valve of the present invention;
FIG. 2 is a sectional view of the internal structure of the valve body of the ultra-low temperature resistant and corrosion resistant quick-closing stop valve provided by the utility model;
fig. 3 is a schematic structural diagram of part a of the ultra-low temperature resistant and corrosion resistant quick-closing stop valve provided by the utility model.
In the figure: the device comprises a valve body 1, a first sealing mechanism 2, a partition plate 21, a sealing groove 22, a sealing sleeve 23, a second sealing mechanism 3, a mounting ring 31, an electromagnet 32, a sealing plate 33, a sliding rod 34, a connecting rod 4, a connecting ring 5, a rubber ring 6, a limiting ring 7, a handle 8, a hand wheel 9, a valve rod 10, a valve clack 11, a threaded inner tube 12, a supporting rod 13, a packing gland 14, a connecting tube 15, an upper valve cover 16, a lower valve cover 17, a water inlet tube 18 and a water outlet tube 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, the ultra-low temperature resistant and corrosion resistant quick-closing stop valve comprises a valve body 1, wherein a first sealing mechanism 2 is arranged on the inner wall of the valve body 1, the first sealing mechanism 2 comprises a partition plate 21, a sealing groove 22 and a sealing sleeve 23, the sealing groove 22 is formed in the outer wall of the top of the partition plate 21, the sealing sleeve 23 is welded on the outer wall of the top of the partition plate 21, all parts of the stop valve are subjected to low-temperature pretreatment by adopting liquid nitrogen, the ultra-low temperature resistance is achieved, the corrosion resistance of the stop valve is improved by increasing the thickness of the sealing groove 22, the sealing sleeve 23 is arranged on the partition plate 21, the inner diameter of the sealing sleeve 23 is matched with the outer diameter of a valve clack 11, the sealing performance of the stop valve is greatly improved, and the service life of the stop valve is prolonged;
the second sealing mechanism 3 is arranged on the outer wall of the bottom of the partition plate 21, the second sealing mechanism 3 comprises a mounting ring 31, an electromagnet 32, a sealing plate 33 and a sliding rod 34, the electromagnet 32 is mounted on the inner wall of the mounting ring 31, the sealing plate 33 is arranged at the bottom of the electromagnet 32, the sliding rod 34 is welded on the outer wall of the bottom of the sealing plate 33, the electromagnet 32 is controlled to be electrified, the sealing plate 33 can be rapidly attracted to the bottom of the electromagnet 32, the medium is blocked from flowing through, and the effect of rapidly closing the stop valve is achieved;
the valve comprises a valve body 1, a connecting rod 4, a connecting ring 5, a rubber ring 6, a limiting ring 7, a handle 8, an electromagnet 32, a power supply, a hand wheel 9, a valve rod 10, a valve clack 11, a valve rod 10 and a valve rod 10, wherein the connecting rod 4 is welded on the inner wall of the valve body 1 at equal intervals, the connecting ring 5 is welded on the outer wall of one end of the connecting rod 4, the rubber ring 6 is bonded on the inner wall of the connecting ring 5, the limiting ring 7 is welded on the outer wall of the sliding rod 34, the handle 8 is welded on the outer wall of the bottom of the sliding rod 34, the electromagnet 32 is connected with the electromagnetic valve through a lead, the electromagnetic valve is connected with the power supply, the hand wheel 9 is arranged on the top of the valve body 1, the valve rod 10 is installed on the inner wall of the hand wheel 9, and the valve clack 11 is welded on the outer wall of the bottom of the valve rod 10;
the outer wall of the valve rod 10 is connected with a threaded inner tube 12 in a threaded mode, the outer wall of the threaded inner tube 12 is welded with support rods 13 which are symmetrically distributed, one end, far away from the threaded inner tube 12, of the outer wall of the valve rod 10 is connected with a packing gland 14 in a threaded mode, the outer wall of the bottom of the packing gland 14 is welded with a connecting tube 15, the valve rod 10 is sleeved on the inner wall of the connecting tube 15, the outer wall of the bottom of the connecting tube 15 is welded with an upper valve cover 16, the outer wall of the bottom of the upper valve cover 16 is connected with a lower valve cover 17 through bolts, the outer wall of one side of the valve body 1 is welded with a water inlet tube 18, and the outer wall of the other side of the valve body 1 is welded with a water outlet tube 19.
The working principle is as follows: all parts of stop valve adopt the liquid nitrogen to carry out the low temperature preliminary treatment, can be able to bear or endure ultra-low temperature, when increasing the corrosion resistance of stop valve through increasing seal groove 22 thickness, seal cover 23 has been installed on baffle 21, the internal diameter of seal cover 23 is identical with the external diameter of valve clack 11, the leakproofness of stop valve has been improved greatly, when meetting emergency and needing to close the stop valve immediately, the staff can start the solenoid valve, the circular telegram through solenoid valve control electro-magnet 32, the strong magnetism through electro-magnet 32 with the bottom of the rapid attraction of shrouding 33 to the blocking medium, and then close the stop valve.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The ultra-low temperature resistant and corrosion resistant quick-closing stop valve comprises a valve body (1) and is characterized in that a first sealing mechanism (2) is arranged on the inner wall of the valve body (1), and the first sealing mechanism (2) comprises a partition plate (21) welded on the inner wall of the valve body (1), a sealing groove (22) formed in the outer wall of the top of the partition plate (21), and a sealing sleeve (23) welded on the outer wall of the top of the partition plate (21);
the outer wall of the bottom of the partition plate (21) is provided with a second sealing mechanism (3), and the second sealing mechanism (3) comprises a mounting ring (31) welded on the outer wall of the bottom of the partition plate (21), an electromagnet (32) mounted on the inner wall of the mounting ring (31), a sealing plate (33) arranged at the bottom of the electromagnet (32) and a sliding rod (34) welded on the outer wall of the bottom of the sealing plate (33).
2. The ultra-low temperature and corrosion resistant quick-closing stop valve according to claim 1, characterized in that the inner wall of the valve body (1) is welded with connecting rods (4) which are distributed equidistantly, the outer wall of one end of each connecting rod (4) is welded with a connecting ring (5), and the inner wall of each connecting ring (5) is bonded with a rubber ring (6).
3. The ultra-low temperature and corrosion resistant quick-closing stop valve as claimed in claim 1, characterized in that the outer wall of the sliding rod (34) is welded with a limit ring (7), the outer wall of the bottom of the sliding rod (34) is welded with a handle (8), the electromagnet (32) is connected with an electromagnetic valve through a lead, and the electromagnetic valve is connected with a power supply.
4. The ultra-low temperature and corrosion resistant quick-closing stop valve according to claim 1, characterized in that a hand wheel (9) is arranged at the top of the valve body (1), a valve rod (10) is installed on the inner wall of the hand wheel (9), and a valve clack (11) is welded on the outer wall of the bottom of the valve rod (10).
5. The ultra-low temperature and corrosion resistant quick-closing stop valve according to claim 4, characterized in that the threaded inner pipe (12) is screwed on the outer wall of the valve rod (10), the symmetrically distributed support rods (13) are welded on the outer wall of the threaded inner pipe (12), the packing gland (14) is screwed on the end, away from the threaded inner pipe (12), of the outer wall of the valve rod (10), the connecting pipe (15) is welded on the outer wall of the bottom of the packing gland (14), the valve rod (10) is sleeved on the inner wall of the connecting pipe (15), the upper valve cover (16) is welded on the outer wall of the bottom of the connecting pipe (15), and the lower valve cover (17) is fixedly connected on the outer wall of the bottom of the upper valve cover (16) through bolts.
6. The ultra-low temperature and corrosion resistant quick-closing stop valve according to claim 1, characterized in that an inlet pipe (18) is welded on the outer wall of one side of the valve body (1), and an outlet pipe (19) is welded on the outer wall of the other side of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105475.5U CN215806328U (en) | 2021-09-02 | 2021-09-02 | Ultra-low temperature resistant and corrosion resistant quick-closing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105475.5U CN215806328U (en) | 2021-09-02 | 2021-09-02 | Ultra-low temperature resistant and corrosion resistant quick-closing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806328U true CN215806328U (en) | 2022-02-11 |
Family
ID=80155032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122105475.5U Expired - Fee Related CN215806328U (en) | 2021-09-02 | 2021-09-02 | Ultra-low temperature resistant and corrosion resistant quick-closing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806328U (en) |
-
2021
- 2021-09-02 CN CN202122105475.5U patent/CN215806328U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215806328U (en) | Ultra-low temperature resistant and corrosion resistant quick-closing stop valve | |
| CN216692194U (en) | Control valve body with pressure-resisting function | |
| CN101418870B (en) | High power high-temperature solenoid valve | |
| CN114659306A (en) | Solid hydrogen pull throughs and ultra-low temperature equipment | |
| RU2693801C1 (en) | Semi-automatic ball cryogenic crane | |
| CN107477191B (en) | A kind of spacecraft liquid alkali metal valve | |
| CN209012616U (en) | A kind of engineering plastics elbow of dirt-proof structure | |
| RU137589U1 (en) | ELECTROMAGNETIC ACTUATOR LATCH | |
| CN211259749U (en) | Adjustable split type rubber flap check valve | |
| CN206290802U (en) | A kind of carriage derailment automatic arresting device ball valve body | |
| CN219606214U (en) | Ball valve with safety function | |
| CN211975921U (en) | Electromagnetic valve for water collector | |
| CN220851174U (en) | Water pressure control pipeline butt joint sealing device | |
| CN218294465U (en) | Heat-insulation lifting check valve | |
| CN207584067U (en) | It is a kind of without being detained full packet three-flat ball valve | |
| CN215806502U (en) | Three-way flange ball valve | |
| CN210716152U (en) | Safety valve for petrochemical mining | |
| CN211820845U (en) | Three-way check valve | |
| CN216742926U (en) | Normally open structure solenoid valve | |
| CN210484787U (en) | Electromagnetic valve | |
| CN210623579U (en) | High-temperature-resistant corrugated pipe stop valve | |
| CN218510254U (en) | Pipeline wafer formula check valve for boats and ships | |
| CN208156002U (en) | A kind of four constituent test current velocity controller of asphalt | |
| CN201310674Y (en) | High-power high-temperature electromagnetic valve | |
| CN215387014U (en) | Control device for adjusting medical gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |