CN214579235U - Pressure regulating type LNG ultralow temperature stainless steel gate valve - Google Patents
Pressure regulating type LNG ultralow temperature stainless steel gate valve Download PDFInfo
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- CN214579235U CN214579235U CN202120808228.9U CN202120808228U CN214579235U CN 214579235 U CN214579235 U CN 214579235U CN 202120808228 U CN202120808228 U CN 202120808228U CN 214579235 U CN214579235 U CN 214579235U
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Abstract
The utility model discloses a pressure regulating type LNG ultra-low temperature stainless steel gate valve, including numerous and diverse bodies and connecting pipe, the equal fixedly connected with connecting pipe in both sides of valve body, the top surface center fixedly connected with round shell of valve body, the bottom surface center swing joint of round shell has the pivot, the pivot is connected with the valve body, the round shell inner chamber is provided with adjustment mechanism, equal fixedly connected with trachea on the lateral wall about the round shell. The utility model is provided with the shell and the one-way valve, and the shell and the inner cavity of the round shell can be vacuumized through the action of the air exhaust port or the one-way valve, thereby avoiding frosting of the valve body caused by heat absorption during LNG transportation and improving the protection performance of the valve body; through being provided with adjustment mechanism, through improving the montant, avoid direct and pivot contact and round shell inner chamber to be cavity setting, can effectually avoid the runner to frost to can be convenient for directly use convenient to use to the runner. The utility model has the advantages of good protection effect and convenient use.
Description
Technical Field
The utility model relates to a stainless steel gate valve especially relates to pressure regulating type LNG ultra-low temperature stainless steel gate valve.
Background
LNG, which is an abbreviation of liquefied natural gas, is mainly composed of methane, is colorless, odorless, nontoxic and noncorrosive, and is condensed into liquid by cooling gaseous natural gas to-162 ℃ at normal pressure. When transporting or storing LNG, need use pressure regulating type ultra-low temperature stainless steel gate valve to this guarantees the gaseous security of LNG. However, due to the ultralow temperature of LNG, the surface of the pressure regulating type ultralow temperature stainless steel gate valve may frost, and the frost adheres to the pressure regulating type ultralow temperature stainless steel gate valve, which causes great inconvenience for the operation thereof and is very easy to cause injury to operators. Based on above reason, the utility model provides a pressure regulating type LNG ultra-low temperature stainless steel gate valve solves the not enough of prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, one of the purposes of the utility model is to provide pressure regulating type LNG ultra-low temperature stainless steel gate valve.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
pressure regulating type LNG ultra-low temperature stainless steel gate valve, which comprises a valve body, the equal fixedly connected with connecting pipe in both sides of valve body, the top surface center fixedly connected with circle shell of valve body, the bottom surface center swing joint of circle shell has the pivot, the pivot is connected with the valve body, circle shell inner chamber is provided with adjustment mechanism, equal fixedly connected with trachea about the circle shell on the lateral wall, equal fixedly connected with check valve in the trachea, the symmetry is provided with two shells, two around valve body and circle shell all set up screw thread, two on the lateral wall of shell bilateral symmetry threaded connection has two thread bush, the connecting pipe runs through the setting of shell lateral wall, one of them fixedly connected with extraction opening on the lateral wall of shell.
Further, adjustment mechanism includes the montant, the montant top is run through round shell top surface fixedly connected with runner, the montant bottom extends to round shell inner chamber and fixedly connected with plectane, set up flutedly on the bottom surface of plectane, bilateral symmetry has seted up two draw-in grooves on the lateral wall of recess, the pivot is close to the top and is hollow setting, the pivot inner chamber is provided with the spring, the equal fixedly connected with movable rod in spring both ends, the movable rod is kept away from spring one end and is run through pivot lateral wall and fixedly connected with latch, latch and draw-in groove mutually support the setting, movable rod and pivot swing joint.
Furthermore, two equal fixedly connected with sealing strip on the lateral wall of shell looks one side, both sides the sealing strip intercrossing sets up.
Further, the left side the trachea is kept away from round shell one end and is run through the shell lateral wall setting, the left side trachea inner chamber fixedly connected with check valve, right side the trachea extends to shell inner chamber and another check valve of fixedly connected with.
Furthermore, the diameter of the inner cavity of the shell is larger than the outer diameters of the valve body and the round shell.
Furthermore, a first sealing ring is fixedly connected to the side wall of the shell at the connecting pipe.
Furthermore, a second sealing ring is fixedly connected to the outer side wall of the circular plate.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model is provided with the shell and the one-way valve, and the shell and the inner cavity of the round shell can be vacuumized through the action of the air exhaust port or the one-way valve, thereby avoiding frosting of the valve body caused by heat absorption during LNG transportation and improving the protection performance of the valve body;
2. through being provided with adjustment mechanism, through improving the montant, avoid direct and pivot contact and round shell inner chamber to be cavity setting, can effectually avoid the runner to frost to can be convenient for directly use convenient to use to the runner.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of the present embodiment;
FIG. 2 is a schematic view of the internal structure of the present embodiment;
FIG. 3 is a schematic view of the structure of the surface A-A of FIG. 2 according to the present embodiment;
fig. 4 is an enlarged view of fig. 2B of the present embodiment.
In the figure: 1. a valve body; 2. a connecting pipe; 3. a round shell; 4. a rotating shaft; 5. an adjustment mechanism; 6. an air tube; 7. a one-way valve; 8. a housing; 9. a threaded sleeve; 10. an air extraction opening; 11. a vertical rod; 12. a rotating wheel; 13. a circular plate; 14. a card slot; 15. a spring; 16. a movable rod; 17. clamping teeth; 18. a sealing strip; 19. a first seal ring; 20. and a second seal ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the pressure regulating type LNG ultra-low temperature stainless steel gate valve comprises a valve body 1, wherein connecting pipes 2 are fixedly connected to both sides of the valve body 1, a round shell 3 is fixedly connected to the center of the top surface of the valve body 1, a rotating shaft 4 is movably connected to the center of the bottom surface of the round shell 3, the rotating shaft 4 is connected to the valve body 1, an inner cavity of the round shell 3 is provided with an adjusting mechanism 5, the adjusting mechanism 5 comprises a vertical rod 11, the top end of the vertical rod 11 penetrates through the top surface of the round shell 3 and is fixedly connected with a rotating wheel 12, the bottom end of the vertical rod 11 extends into the inner cavity of the round shell 3 and is fixedly connected with a round plate 13, a groove is formed in the bottom surface of the round plate 13, two clamping grooves 14 are symmetrically formed in the side wall of the groove, the rotating shaft 4 is arranged in a hollow manner near the top end, a spring 15 is arranged in the inner cavity of the rotating shaft 4, movable rods 16 are fixedly connected to both ends of the spring 15, one end of the movable rods 16 far away from the spring 15 penetrates through the side wall of the rotating shaft 4 and is fixedly connected with a clamping tooth 17, the latch 17 is matched with the slot 14, the movable rod 16 is movably connected with the rotating shaft 4, the rotating wheel 12 is prevented from frosting by separating the rotating wheel 12 from the rotating shaft 4, the valve body 1 is convenient to adjust and operate, the use is convenient, the air pipes 6 are fixedly connected on the left side wall and the right side wall of the round shell 3, the one-way valves 7 are fixedly connected in the air pipes 6, one ends of the left air pipes 6, far away from the round shell 3, penetrate through the side wall of the shell 8, the one-way valves 7 are fixedly connected in the inner cavity of the left air pipes 6, the right air pipes 6 extend to the inner cavity of the shell 8 and are fixedly connected with the other one-way valves 7, the interior of the round shell 3 is convenient to be vacuumized, the two shells 8 are symmetrically arranged in the front and back direction of the valve body 1 and the round shell 3, the diameter of the inner cavity of the shell 8 is larger than the outer diameters of the valve body 1 and the round shell 3, the protective effect is improved, the sealing strips 18 are fixedly connected on the side walls of one side, the two sealing strips 18 are mutually crossed, the leakproofness is improved, threads are all arranged on the outer side walls of the two shells 8, the bilateral symmetry threads on the outer side walls of the two shells 8 are connected with the two thread sleeves 9, the connecting pipe 2 penetrates through the side wall of the shell 8 and is arranged, the air pumping hole 10 is fixedly connected to the side wall of one of the shells 8, the shell 8 is located on the side wall of the connecting pipe 2 and is fixedly connected with the first sealing ring 19, and the second sealing ring 20 is fixedly connected to the outer side wall of the circular plate 13, so that the leakproofness is improved.
The working principle is as follows: when the device of the utility model is used, firstly, the threaded sleeve 9 is sleeved on the connecting pipe 2, then the connecting pipe 2 is connected with the conveying pipe of the external equipment, then the shell 8 is sleeved on the outer side wall of the valve body 1 and the round shell 3, so that the valve body 1 and the round shell 3 are arranged in the inner cavity of the shell 8, the locking of the shells 8 at the two sides is realized through the threaded sleeve 9, then the continuous reciprocating motion of the rotating wheel 12 or the connection of the air extractor and the air extraction opening 10 is realized, the vacuumizing operation of the inner cavity of the shell 8 is realized, when the device conveys LNG, because the inner cavity of the shell 8 is vacuum, the surface frosting of the valve body 1 caused by the heat absorption of the LNG can be effectively avoided, the damage to the valve body 1 is reduced, and because the inner cavity of the round shell 3 is vacuum, the frosting of the rotating wheel 12 can be effectively avoided, the adjustment operation of the valve body 1 through the rotating wheel 12 is convenient, when the valve body 1 needs to be adjusted, through promoting runner 12 for montant 11 drives plectane 13 and moves down, and in 4 tops of pivot inserted the recess, drive plectane 13 through runner 12 and rotate, can make in latch 17 card goes into the draw-in groove 14 of recess inner chamber, can drive pivot 4 through plectane 13 and rotate together this moment, realize the regulation operation to valve body 1, convenient to use and protectiveness are good.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (7)
1. Pressure regulating type LNG ultra-low temperature stainless steel gate valve, including valve body (1), its characterized in that: the two sides of the valve body (1) are both fixedly connected with connecting pipes (2), the center of the top surface of the valve body (1) is fixedly connected with a round shell (3), the center of the bottom surface of the round shell (3) is movably connected with a rotating shaft (4), the rotating shaft (4) is connected with the valve body (1), an adjusting mechanism (5) is arranged in the inner cavity of the round shell (3), air pipes (6) are fixedly connected on the left side wall and the right side wall of the round shell (3), the air pipe (6) is internally and fixedly connected with a one-way valve (7), the valve body (1) and the round shell (3) are symmetrically provided with two shells (8) in the front and back direction, the outer side walls of the two shells (8) are respectively provided with threads, the outer side walls of the two shells (8) are connected with two thread sleeves (9) in a bilateral symmetry thread manner, the connecting pipe (2) penetrates through the side walls of the shells (8), an air suction opening (10) is fixedly connected to the side wall of one of the shells (8).
2. The pressure regulating type LNG ultra-low temperature stainless steel gate valve of claim 1, characterized in that: adjustment mechanism (5) include montant (11), montant (11) top is run through round shell (3) top surface fixedly connected with runner (12), montant (11) bottom extends to round shell (3) inner chamber and fixedly connected with plectane (13), set up flutedly on the bottom surface of plectane (13), bilateral symmetry has seted up two draw-in grooves (14) on the lateral wall of recess, pivot (4) are close to the top and are hollow setting, pivot (4) inner chamber is provided with spring (15), the equal fixedly connected with movable rod (16) in spring (15) both ends, spring (15) one end is kept away from in movable rod (16) and is run through pivot (4) lateral wall and fixedly connected with latch (17), latch (17) and draw-in groove (14) match the setting each other, movable rod (16) and pivot (4) swing joint.
3. The pressure regulating type LNG ultra-low temperature stainless steel gate valve of claim 1, characterized in that: two equal fixedly connected with sealing strip (18) on the lateral wall of shell (8) one side that faces mutually, both sides sealing strip (18) intercrossing sets up.
4. The pressure regulating type LNG ultra-low temperature stainless steel gate valve of claim 1, characterized in that: left side trachea (6) are kept away from round shell (3) one end and are run through shell (8) lateral wall setting, left side trachea (6) inner chamber fixedly connected with check valve (7), right side trachea (6) extend to shell (8) inner chamber and another check valve of fixedly connected with (7).
5. The pressure regulating type LNG ultra-low temperature stainless steel gate valve of claim 1, characterized in that: the diameter of the inner cavity of the shell (8) is larger than the outer diameters of the valve body (1) and the round shell (3).
6. The pressure regulating type LNG ultra-low temperature stainless steel gate valve of claim 1, characterized in that: the shell (8) is fixedly connected with a first sealing ring (19) on the side wall of the connecting pipe (2).
7. The pressure regulating type LNG ultra-low temperature stainless steel gate valve of claim 2, characterized in that: and a second sealing ring (20) is fixedly connected to the outer side wall of the circular plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120808228.9U CN214579235U (en) | 2021-04-20 | 2021-04-20 | Pressure regulating type LNG ultralow temperature stainless steel gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120808228.9U CN214579235U (en) | 2021-04-20 | 2021-04-20 | Pressure regulating type LNG ultralow temperature stainless steel gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579235U true CN214579235U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120808228.9U Active CN214579235U (en) | 2021-04-20 | 2021-04-20 | Pressure regulating type LNG ultralow temperature stainless steel gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579235U (en) |
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2021
- 2021-04-20 CN CN202120808228.9U patent/CN214579235U/en active Active
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