CN220337561U - Valve body air outlet assembly with flow limiting function - Google Patents
Valve body air outlet assembly with flow limiting function Download PDFInfo
- Publication number
- CN220337561U CN220337561U CN202321489729.0U CN202321489729U CN220337561U CN 220337561 U CN220337561 U CN 220337561U CN 202321489729 U CN202321489729 U CN 202321489729U CN 220337561 U CN220337561 U CN 220337561U
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- China
- Prior art keywords
- air outlet
- outlet pipe
- valve
- outlet duct
- valve body
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of flow limiting of valve body air outlet, in particular to a valve body air outlet assembly with a flow limiting function, which comprises: the hydrogen storage tank comprises a valve body, wherein the upper thread of the valve body is connected with a second air outlet pipe body, one side thread of the second air outlet pipe body is connected with a first air outlet pipe body, the inner side thread of the second air outlet pipe body is connected with an air outlet pipe filter element, an air outlet pipe inner filter screen sleeve is arranged on the outer surface of the air outlet pipe filter element, the bottom end of the air outlet pipe filter element is connected with a filter element metal plug, the inner thread of the first air outlet pipe body is connected with an air outlet pipe connecting bolt, and the inner side thread of the air outlet pipe connecting bolt is connected with a one-way valve and an overflow valve sealing piece.
Description
Technical Field
The utility model relates to the technical field of flow limiting of valve body air outlet, in particular to a valve body air outlet assembly with a flow limiting function.
Background
The valve is a device for adjusting and controlling the flow rate, pressure and flow direction of fluid in a pipeline or a machine, the air outlet component is an assembly inside the valve, the cut-off and the circulation of air can be controlled through the air outlet component, and the input and output flow rates of part of the valves are different, so that the valve body air outlet component with a flow limiting function is needed to be used when different flow rates are used.
The valve body that has current restriction function that uses at present gives vent to anger the subassembly and mostly is sealing valve, and gaseous just can flow in or flow when the valve is opened, can exist impurity in the partial gas, and in the in-process that opens the valve can the air admission jar, these impurity or air can reduce the purity of gas, and the flow of hydrogen storage jar when the input and the flow when exporting can be very big difference, can't adjust it, has provided the valve body that has current restriction function for this reason and gives vent to anger the subassembly.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the valve body air outlet assembly with the flow limiting function, overcomes the defects of the prior art and aims at solving the problems in the background art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a valve body subassembly of giving vent to anger with current-limiting function, includes the valve body, the last threaded connection of valve body has the second outlet duct body, one side threaded connection of second outlet duct body has the first outlet duct body, the inboard threaded connection of second outlet duct body has the outlet duct filter core, install the outlet duct inner filter screen cover on the surface of outlet duct filter core, the bottom of outlet duct filter core is connected with filter core metal end cap, threaded connection has outlet duct connecting bolt in the first outlet duct body, the inboard threaded connection of outlet duct connecting bolt has check valve and overflow valve sealing member, the one end of check valve and overflow valve sealing member is connected with the outlet duct check valve, the other end of check valve and overflow valve sealing member is provided with the outlet duct overflow valve.
Preferably, the top end of the air outlet pipe one-way valve is tangent to the upper inclined surface of the sealing piece of the one-way valve and the overflow valve, and is closely attached to the sealing piece of the overflow valve.
Preferably, the bottom side of the air outlet pipe connecting bolt is connected with an air outlet pipe fixing nut, and two ends of the air outlet pipe connecting bolt are connected through stud bolts and are respectively installed with the first air outlet pipe body and the air outlet pipe fixing nut.
Preferably, a check valve spring is arranged between the check valve of the air outlet pipe and the first air outlet pipe body.
Preferably, an overflow valve spring is arranged between the overflow valve of the air outlet pipe and the connecting bolt of the air outlet pipe, and the upper end face of the overflow valve of the air outlet pipe is tangent to and tightly connected with the lower end face of the sealing piece of the one-way valve and the overflow valve.
The beneficial effects of the utility model are as follows:
when the air outlet pipe is used for air outlet, hydrogen sequentially flows through the overflow valve and the one-way valve of the air outlet pipe from right to left, passes through the gap between the pipe body of the air outlet pipe and the filter element of the air outlet pipe, passes through the inner filter screen of the air outlet pipe and enters the filter element of the air outlet pipe, then continuously enters the valve body to the left, and the air enters the filter element of the air outlet pipe through the gap between the inner filter screen of the air outlet pipe and the pipe body of the air outlet pipe, and then enters the valve body after being filtered.
The utility model reduces the possibility that air enters the tank in the transmission process, reduces the content of gas impurities in the hydrogen storage tank, improves the flow limiting effect when the hydrogen is output and input in the device, and also improves the purity of the hydrogen in the tank, thereby being more convenient to use.
Drawings
FIG. 1 is a schematic diagram illustrating a front view of a valve body air outlet assembly with a flow-limiting function according to the present utility model;
fig. 2 is a schematic structural diagram of a portion a in fig. 1.
In the figure: 1. a first outlet pipe body; 2. an outlet pipe overflow valve; 3. an overflow valve spring; 4. the air outlet pipe is fixed with a nut; 5. a second outlet pipe body; 6. a one-way valve of the air outlet pipe; 7. a check valve spring; 8. a filter screen in the air outlet pipe; 9. a filter element metal plug; 10. the air outlet pipe is connected with a bolt; 11. a check valve and relief valve seal; 12. and a gas outlet pipe filter element.
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.
Example 1:
referring to fig. 1-2, a valve body air outlet assembly with a flow limiting function comprises a valve body, wherein a second air outlet pipe body 5 is connected to an upper thread of the valve body, a first air outlet pipe body 1 is connected to one side thread of the second air outlet pipe body 5, an air outlet pipe filter element 12 is connected to the inner side thread of the second air outlet pipe body 5, an air outlet pipe inner filter screen sleeve 8 is installed on the outer surface of the air outlet pipe filter element 12, a filter element metal plug 9 is connected to the bottom end of the air outlet pipe filter element 12, an air outlet pipe connecting bolt 10 is connected to the inner thread of the first air outlet pipe body 1, an air outlet pipe fixing nut 4 is connected to the bottom side of the air outlet pipe connecting bolt 10, two ends of the air outlet pipe connecting bolt 10 are connected through double-headed bolts, the air outlet pipe connecting bolt 10 is respectively installed with the first air outlet pipe body 1 and the air outlet pipe fixing nut 4, a check valve and an overflow valve sealing piece 11 are connected to the inner side thread of the air outlet pipe connecting bolt 10, one end of the check valve and the overflow valve sealing piece 11 is connected to an air outlet pipe check valve 6, and the other end of the check valve and the overflow valve sealing piece 11 is provided with an overflow valve 2.
In the implementation, the top end of the air outlet pipe one-way valve 6 is tangent to the upper inclined surface of the one-way valve and the overflow valve sealing piece 11 and is closely attached to the upper inclined surface of the one-way valve, a one-way valve spring 7 is arranged between the air outlet pipe one-way valve 6 and the first air outlet pipe body 1, an overflow valve spring 3 is arranged between the air outlet pipe overflow valve 2 and the air outlet pipe connecting bolt 10, and the upper end surface of the air outlet pipe overflow valve 2 is tangent to and is closely connected with the lower end surface of the one-way valve and the overflow valve sealing piece 11.
Working principle: when the air outlet pipe is out, hydrogen flows through the air outlet pipe overflow valve 2 and the air outlet pipe one-way valve 6 from right to left in sequence, and passes through the air outlet pipe inner filter screen 8 to enter the air outlet pipe filter core 12 at the gap between the second air outlet pipe body 5 and the air outlet pipe filter core 12 and then continuously enters the valve body to the left. Filtering function: the gas enters the gas outlet pipe filter element 12 through a gap between the gas outlet pipe inner filter screen 8 and the second gas outlet pipe body 5, and enters the valve body after being filtered. Unidirectional function: the one-way valve 6 of the air outlet pipe has a one-way function, and only allows hydrogen to enter the valve body from the inside of the bottle when the hydrogen is discharged, so that external gas is prevented from entering the hydrogen bottle. Current limiting function: the bigger the pressure of the overflow valve 2 of the air outlet pipe is, the smaller the opening degree is, the flow is fixed, a through hole is arranged in the middle of the overflow valve, and when the overflow valve is propped to the leftmost side, the hydrogen can only flow out of the through hole.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. Valve body subassembly of giving vent to anger with current limiting function, its characterized in that includes:
the valve body, the last threaded connection of valve body has second outlet duct body (5), one side threaded connection of second outlet duct body (5) has first outlet duct body (1), the inboard threaded connection of second outlet duct body (5) has outlet duct filter core (12), install outlet duct inner filter screen cover (8) on the surface of outlet duct filter core (12), the bottom of outlet duct filter core (12) is connected with filter core metal end cap (9), first outlet duct body (1) internal thread connection has outlet duct connecting bolt (10), the inboard threaded connection of outlet duct connecting bolt (10) has check valve and overflow valve sealing member (11), the one end of check valve and overflow valve sealing member (11) is connected with outlet duct check valve (6), the other end of check valve and overflow valve sealing member (11) is provided with outlet duct overflow valve (2).
2. The valve body air outlet assembly with the flow limiting function according to claim 1, wherein the top end of the air outlet pipe one-way valve (6) is tangential to the upper inclined surface of the one-way valve and the overflow valve sealing piece (11) and is closely attached to the upper inclined surface.
3. The valve body air outlet assembly with the flow limiting function according to claim 1, wherein the bottom side of the air outlet pipe connecting bolt (10) is connected with an air outlet pipe fixing nut (4), and two ends of the air outlet pipe connecting bolt (10) are connected through stud bolts and are respectively installed with the first air outlet pipe body (1) and the air outlet pipe fixing nut (4).
4. The valve body air outlet assembly with the flow limiting function according to claim 1, wherein a one-way valve spring (7) is arranged between the air outlet pipe one-way valve (6) and the first air outlet pipe body (1).
5. The valve body air outlet assembly with the flow limiting function according to claim 1, wherein an overflow valve spring (3) is arranged between the air outlet pipe overflow valve (2) and the air outlet pipe connecting bolt (10), and the upper end face of the air outlet pipe overflow valve (2) is tangential to and tightly connected with the lower end face of the check valve and the overflow valve sealing piece (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489729.0U CN220337561U (en) | 2023-06-13 | 2023-06-13 | Valve body air outlet assembly with flow limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489729.0U CN220337561U (en) | 2023-06-13 | 2023-06-13 | Valve body air outlet assembly with flow limiting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337561U true CN220337561U (en) | 2024-01-12 |
Family
ID=89448085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321489729.0U Active CN220337561U (en) | 2023-06-13 | 2023-06-13 | Valve body air outlet assembly with flow limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337561U (en) |
-
2023
- 2023-06-13 CN CN202321489729.0U patent/CN220337561U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |