CN220668451U - Liquid hydrogen ball valve - Google Patents
Liquid hydrogen ball valve Download PDFInfo
- Publication number
- CN220668451U CN220668451U CN202322375503.4U CN202322375503U CN220668451U CN 220668451 U CN220668451 U CN 220668451U CN 202322375503 U CN202322375503 U CN 202322375503U CN 220668451 U CN220668451 U CN 220668451U
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- Prior art keywords
- driving block
- valve
- shell
- liquid hydrogen
- mandrel
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 25
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The application discloses liquid hydrogen ball valve belongs to liquid hydrogen ball valve technical field. Mainly comprises the following steps: the valve body is provided with a fluid channel, a spherical valve core is arranged in the fluid channel, the spherical valve core is provided with a valve core channel, and a mandrel is arranged at one end of the spherical valve core; the shell is arranged on the outer surface of the valve body, and one end of the mandrel extends into the shell; the driving assembly comprises a driving block, the driving block is arranged in the shell and used for driving the mandrel to rotate, and the driving assembly further comprises a limiting assembly for fixing the driving block. The utility model provides a liquid hydrogen ball valve through setting up spherical case and actuating assembly, and under the normality, this valve is normally on state, pushes down the slide bar and makes slide bar motion card in the guiding hole, and this valve is throttle state this moment, can switch between normally on and throttle state through pressing the slide bar, and the operation is comparatively simple.
Description
Technical Field
The application relates to the technical field of liquid hydrogen ball valves, in particular to a liquid hydrogen ball valve.
Background
In the transportation process of hydrogen, liquid hydrogen is often adopted, and a liquid hydrogen valve is needed in the transportation process of liquid hydrogen.
The patent with the publication number of CN217234503U discloses a combined liquid hydrogen valve, through setting up adjusting component, rotates the pivoted column, can make the screw rod move down and drive the slider and slide in the spout under the meshing connection between screw rod and the pivoted column, can make the closing cap rotate the mouth of pipe size of connector with the pivot as the centre of a circle.
However, in the actual operation process, when the valve needs to be switched to the throttling state, as the valve is made of opaque metal, the opening size of the pipe orifice of the connector in the valve cannot be judged, the screw needs to be tried to be rotated until the opening is completely closed or completely closed, and then the screw is reversely rotated to a proper angle, so that the opening of the pipe orifice is in a half-open state, and the operation is more complicated.
It is therefore necessary to provide a liquid hydrogen ball valve to solve the above problems.
It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the above problems existing in the prior art, the problems to be solved by the present application are: the liquid hydrogen ball valve can be switched between a normal conduction state and a throttling state by pressing the sliding rod, and is simple to operate.
The technical scheme adopted for solving the technical problems is as follows: a liquid hydrogen ball valve comprising: the valve body is provided with a fluid channel, a spherical valve core is arranged in the fluid channel, the spherical valve core is provided with a valve core channel, and a mandrel is arranged at one end of the spherical valve core; the shell is arranged on the outer surface of the valve body, and one end of the mandrel extends into the shell; the driving assembly comprises a driving block, the driving block is installed in the shell and used for driving the mandrel to rotate, and the driving assembly further comprises a limiting assembly for fixing the driving block.
Further, one end of the mandrel is fixedly connected with the spherical valve core, a sealing bearing is arranged between the mandrel and the valve body, and the mandrel is rotatably connected with the valve body through the sealing bearing.
Further, a first gear is installed at one end, located in the shell, of the mandrel, and the driving block is meshed with the first gear.
Further, a second gear is further installed in the shell, the diameter of the second gear is larger than that of the first gear, and two ends of the second gear are meshed with the first gear and the driving block respectively.
Further, the spacing subassembly includes the slide bar, the slide bar is installed drive piece one side, install the bottom of drive piece will the drive piece upwards extruded spring, the side of casing is provided with the guiding hole that supplies the slide bar to pass, the lower extreme of guiding hole is provided with the joint groove, wherein: the sliding rod is abutted against the side wall of the guide hole due to self elastic deformation, and can rebound into the clamping groove when moving to the lower end of the guide hole;
further, the sliding rod can rebound into the clamping groove when moving to the lower end of the guide hole.
Further, a guide post is further mounted on the inner bottom wall of the shell, the spring is sleeved on the outer surface of the guide post, the driving block is sleeved on the top end of the guide post, and the driving block is in sliding connection with the guide post.
The beneficial effects of this application are: under normal state, the valve is in a normal conduction state, the sliding rod is pressed down to enable the sliding rod to move and be clamped in the guide hole, the valve is in a throttling state, the valve can be switched between the normal conduction state and the throttling state by pressing the sliding rod, and the operation is simpler.
In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
In the drawings:
FIG. 1 is an overall schematic diagram of a liquid hydrogen ball valve of the present application;
FIG. 2 is a schematic view of the ball valve cartridge of FIG. 1 installed in a valve body;
FIG. 3 is a schematic view of the housing of FIG. 2;
FIG. 4 is a schematic diagram of the driving assembly of FIG. 3;
wherein, each reference sign in the figure:
1. a valve body; 11. a fluid channel;
2. a spherical valve core; 21. a mandrel; 22. a spool passage;
3. a housing; 31. a guide hole; 311. a clamping groove; 32. a cover body;
4. a drive assembly; 41. a first gear; 42. a driving block; 421. a slide bar; 43. a second gear; 44. a spring; 441. and a guide post.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1, the present application provides a liquid hydrogen ball valve, comprising: the valve body 1 is provided with a fluid channel 11, a spherical valve core 2 is arranged in the fluid channel 11, the spherical valve core 2 is provided with a valve core channel 22, the valve core channel 22 is matched with the fluid channel 11, and when the valve core channel 22 and the fluid channel 11 are coaxial, the ball valve is in a normal conduction state, and liquid hydrogen can normally flow.
The mandrel 21 is installed at one end of the spherical valve core 2, specifically, one end of the mandrel 21 is fixedly connected with the spherical valve core 2, a sealing bearing is arranged between the mandrel 21 and the valve body 1, the mandrel 21 is rotationally connected with the valve body 1 through the sealing bearing, the direction of a valve core channel 22 in the spherical valve core 2 can be adjusted by rotating the mandrel 21, and the size of a communication port between the valve core channel 22 and the fluid channel 11 is changed, so that the purpose of adjusting flow is achieved.
As shown in fig. 2, a casing 3 is arranged at one side of the valve body 1, the casing 3 is arranged on the outer surface of the valve body 1, the casing 3 can be welded or arranged on the outer surface of the valve body 1 through bolts, the casing 3 is provided with a cover body 32, and the cover body 32 can be arranged on the casing 3 through bolts, so that the valve is stable and firm and convenient to detach; a cavity is formed in the shell 3, and one end of the mandrel 21 extends into the cavity of the shell 3;
as shown in fig. 3-4, a driving assembly 4 is disposed in the cavity of the housing 3, the driving assembly 4 includes a driving block 42, the driving block 42 is installed in the housing 3, the driving block 42 is used for driving the spindle 21 to rotate, the driving assembly 4 further includes a limiting assembly for fixing the driving block 42, after the driving block 42 drives the spindle 21 to rotate by a certain angle, the position of the driving block 42 is fixed, and the size of the communication port between the valve core channel 22 and the fluid channel 11 can be fixed.
As shown in fig. 3-4, in an embodiment, the driving block 42 may be a rack, a first gear 41 is installed at an end of the mandrel 21 located in the housing 3, the driving block 42 is meshed with the first gear 41, and the driving block 42 may be rotated by moving the driving block 42.
As shown in fig. 3 to 4, in an embodiment, if the driving block 42 is a rack, a second gear 43 is further installed in the housing 3, the diameter of the second gear 43 is larger than that of the first gear 41, two ends of the second gear 43 are respectively meshed with the first gear 41 and the driving block 42, the driving block 42 drives the first gear 41 to rotate through the second gear 43, and according to the lever principle, the working personnel can save more labor when moving the driving block 42 by adopting the cooperation of large gears and small gears.
As shown in fig. 3-4, in an embodiment, the limiting component includes a sliding rod 421, the sliding rod 421 is mounted on one side of the driving block 42, the sliding rod 421 and the driving block 42 can be integrally formed, a spring 44 for pressing the driving block 42 upwards is mounted at the bottom of the driving block 42, a guiding hole 31 for the sliding rod 421 to pass through is provided on the side surface of the housing 3, a clamping slot 311 is provided at the lower end of the guiding hole 31, in normal state, the top of the driving block 42 is abutted against the inner top wall of the housing 3, the driving block 42 is pressed downwards to rotate the second gear 43, the valve is adjusted to a throttling state, and the flow rate of liquid hydrogen can be reduced.
Wherein, the slide bar 421 is abutted on the side wall of the guide hole 31 due to self elastic deformation, the slide bar 421 can rebound into the clamping groove 311 when moving to the lower end of the guide hole 31, the guide hole 31 can limit the driving block 42 through the slide bar 421, when the slide bar 421 is abutted on the top wall of the guide hole 31 or the driving block 42 is abutted on the inner top wall of the shell 3, the valve core channel 22 of the ball core 2 and the fluid channel 11 are coaxial, the ball valve is in a normal conduction state, when the driving block 42 is pressed down to move the slide bar 421 into the clamping groove 311, the driving block 42 drives the gear 41 to rotate by a certain angle, so that the ball core 2 rotates by a certain angle, preferably 30-60 degrees, the communication port between the valve core channel 22 and the fluid channel 11 is reduced, and the throttling state is achieved.
It should be noted that, when the slide bar 421 is located in the guide hole 31, the top wall of the guide hole 31 can block the slide bar 421 from sliding upwards, so as to prevent the spring 44 from pushing the driving block 42 to move upwards, and toggle the slide bar 421 to the outside of the clamping slot 311, so that the slide bar 421 moves to the guide hole 31, and the spring 44 can push the driving block 42 to reset and switch to the normal conducting state again.
As shown in fig. 3-4, in an embodiment, the inner bottom wall of the housing 3 is further provided with a guide post 441, and the spring 44 is sleeved on the outer surface of the guide post 441, and since the guide post 441 limits the spring 44, the driving block 42 can prevent the spring 44 from bending when the spring 44 is pressed down, so as to ensure the normal operation of the spring 44; the bottom of the driving block 42 is internally provided with a hole position matched with the guide column 441, the driving block 42 is sleeved at the top end of the guide column 441 through the hole position, and the driving block 42 is in sliding connection with the guide column 441, and at the moment, the guide column 441 can guide the driving block 42, so that the driving block 42 is more stable when sliding up and down.
Working principle:
normally, the spool channel 22 of the spherical spool 2 is coaxial with the fluid channel 11, the valve is in a normal conduction state, and at the moment, the driving block 42 is abutted against the inner top wall of the shell 3 or the sliding rod 421 is abutted against the inner top wall of the guide hole 31;
the slide bar 421 is pressed down to enable the slide bar 421 to move to the guide hole 31, the spherical valve core 2 rotates together with the valve core channel 22 to rotate for a certain angle, the size of a communication port between the valve core channel 22 and the fluid channel 11 is reduced, the slide bar 421 which is elastically deformed can reset and move into the clamping groove 311, the blocking spring 44 pushes the driving block 42 to move upwards, at the moment, the position of the driving block 42 is fixed, namely, the size of the communication port between the valve core channel 22 and the fluid channel 11 is the same as that of the valve, and at the moment, the valve is in a throttling shape;
the slide bar 421 is shifted to the outer side of the clamping groove 311, so that the slide bar 421 moves to the guide hole 31, and the spring 44 can push the driving block 42 to reset, so that the valve is switched to the normal conduction state again.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (6)
1. A liquid hydrogen ball valve, characterized in that: comprising the following steps:
a valve body (1), wherein the valve body (1) is provided with a fluid channel (11), a spherical valve core (2) is arranged in the fluid channel (11), the spherical valve core (2) is provided with a valve core channel (22), and one end of the spherical valve core (2) is provided with a mandrel (21);
the shell (3), the said shell (3) is installed on the outer surface of the valve block (1), one end of the said core shaft (21) extends into the shell (3);
the driving assembly (4), the driving assembly (4) comprises a driving block (42), the driving block (42) is installed in the shell (3), the driving block (42) is used for driving the mandrel (21) to rotate, and the driving assembly (4) further comprises a limiting assembly for fixing the driving block (42).
2. The liquid hydrogen ball valve according to claim 1, wherein: one end of the mandrel (21) is fixedly connected with the spherical valve core (2), a sealing bearing is arranged between the mandrel (21) and the valve body (1), and the mandrel (21) is rotationally connected with the valve body (1) through the sealing bearing.
3. The liquid hydrogen ball valve according to claim 2, wherein: one end of the mandrel (21) positioned in the shell (3) is provided with a first gear (41), and the driving block (42) is meshed with the first gear (41).
4. A liquid hydrogen ball valve according to claim 3, wherein: the inside of casing (3) still installs gear two (43), gear two (43) diameter is greater than gear one (41) diameter, gear two (43) both ends respectively with gear one (41) with drive piece (42) mesh.
5. The liquid hydrogen ball valve according to claim 4, wherein: the limiting assembly comprises a sliding rod (421), the sliding rod (421) is arranged on one side of the driving block (42), a spring (44) for upwards extruding the driving block (42) is arranged at the bottom of the driving block (42), a guide hole (31) for the sliding rod (421) to pass through is formed in the side face of the shell (3), and a clamping groove (311) is formed in the lower end of the guide hole (31);
wherein: the sliding rod (421) is abutted to the side wall of the guide hole (31) due to self elastic deformation, and the sliding rod (421) can rebound into the clamping groove (311) when moving to the lower end of the guide hole (31).
6. The liquid hydrogen ball valve according to claim 5, wherein: the guide post (441) is further mounted on the inner bottom wall of the shell (3), the spring (44) is sleeved on the outer surface of the guide post (441), the driving block (42) is sleeved on the top end of the guide post (441), and the driving block (42) is in sliding connection with the guide post (441).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375503.4U CN220668451U (en) | 2023-09-01 | 2023-09-01 | Liquid hydrogen ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375503.4U CN220668451U (en) | 2023-09-01 | 2023-09-01 | Liquid hydrogen ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668451U true CN220668451U (en) | 2024-03-26 |
Family
ID=90337596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322375503.4U Active CN220668451U (en) | 2023-09-01 | 2023-09-01 | Liquid hydrogen ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668451U (en) |
-
2023
- 2023-09-01 CN CN202322375503.4U patent/CN220668451U/en active Active
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