CN221145425U - High-pressure bottle valve with flow limiting mechanism - Google Patents
High-pressure bottle valve with flow limiting mechanism Download PDFInfo
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- CN221145425U CN221145425U CN202322628801.XU CN202322628801U CN221145425U CN 221145425 U CN221145425 U CN 221145425U CN 202322628801 U CN202322628801 U CN 202322628801U CN 221145425 U CN221145425 U CN 221145425U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000003044 adaptive effect Effects 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 102100029211 E3 ubiquitin-protein ligase TTC3 Human genes 0.000 claims 15
- 101000633723 Homo sapiens E3 ubiquitin-protein ligase TTC3 Proteins 0.000 claims 15
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- 230000006872 improvement Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004200 deflagration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a high-pressure bottle valve with a flow limiting mechanism, which comprises a shell, wherein an inflation channel, an air outlet channel and a safety channel are arranged in the shell, a flow limiting valve, an electromagnetic valve, a manual valve, a stop valve and an air outlet connector are sequentially arranged in the air outlet channel, a stop valve installation cavity is arranged in the air outlet channel, the stop valve is communicated with the safety channel, the stop valve and the safety channel are provided with adaptive sealing surfaces, and an air inlet connector is arranged at the outer end part of the inflation channel. The utility model adopts an external electromagnetic valve structure, which is easy to monitor and maintain; the main valve seat adopts an integral stainless steel structure, so that the structure is compact and the strength is high; and a flow limiting valve is adopted to prevent abnormal flow.
Description
Technical Field
The utility model belongs to the technical field of high-pressure hydrogen valves, and relates to a high-pressure bottle valve with a flow limiting mechanism.
Background
The high-pressure hydrogen cylinder valve is an important component in a hydrogen supply system of a fuel cell, has the main effects of intelligently controlling high-pressure hydrogen in a gas storage cylinder, has the safety functions of temperature real-time detection and feedback, automatic and manual pressure relief and the like, is matched with a new energy fuel cell automobile, and has high use frequency.
The main working principle of the cylinder valve is that the electromagnetic valve is electrified, the electromagnetic force overcomes the air pressure, the restoring spring force and the friction force to open the pilot valve, the air outlet pressure in the pilot valve cavity is reduced, and when the pressure in the cylinder and the pressure in the pilot valve cavity reach the set pressure difference, the main valve is opened; when the electromagnetic valve is powered off, the pressure in the gas cylinder is equal to the pressure in the pilot valve cavity and the pressure in the gas outlet, and the return spring overcomes the friction force to push the main valve and the pilot valve to the closed position. In order to reduce pipelines and pipe fittings and reduce leakage risk, the whole structure of the hydrogen supply system is more compact, and devices such as an electromagnetic valve, a manual valve component, a stop valve component, a TPRD (temperature pressure relief device), a temperature sensor, a pressure sensor, a flow limiting valve and the like are generally integrated together. The assembly is internally provided with a filter and a pressure sensor interface.
Because of the relation of working frequency, the electromagnetic valve has high probability of failure, and the existing bottle valve basically adopts a built-in structure, so that the maintenance is not easy.
Disclosure of Invention
The utility model aims to provide a high-pressure bottle valve with a flow limiting mechanism, which can solve the problems.
According to the technical scheme provided by the utility model: the utility model provides a take high-pressure bottle valve of flow restriction mechanism, includes the casing, is equipped with inflation channel, air outlet channel, insurance passageway in the casing, installs flow restriction valve, solenoid valve, manual valve, stop valve, the joint of giving vent to anger in proper order in the air outlet channel, is equipped with stop valve installation cavity in the air outlet channel, and stop valve installation cavity intercommunication insurance passageway wherein, stop valve and insurance passageway are equipped with the sealed face of adaptation.
As a further improvement of the utility model, the outer end of the inflation channel is provided with an air inlet joint.
As a further improvement of the utility model, the inner end of the air outlet channel is provided with a flow limiting valve mounting cavity, and a flow limiting valve is arranged in the flow limiting valve mounting cavity; the flow-limiting valve installation cavity comprises a flow-limiting valve air supply valve body, the lower part of the flow-limiting valve installation cavity is in threaded connection with the flow-limiting valve air supply valve body, a flow-limiting valve core and a flow-limiting valve first spring are arranged above the flow-limiting valve air supply valve body, the upper end and the lower end of the flow-limiting valve first spring respectively prop against the inner wall of the flow-limiting valve installation cavity and the peripheral flange of the flow-limiting valve core, the inner periphery of the flow-limiting valve air supply valve body is in threaded connection with the flow-limiting valve air supply valve seat, a flow-limiting valve limiting bushing is arranged in the flow-limiting valve limiting bushing in a sliding manner, a flow-limiting valve second spring is arranged between the flow-limiting valve limiting bushing and the flow-limiting valve core, the two ends of the flow-limiting valve second spring respectively prop against the bottom of the flow-limiting valve limiting bushing and the peripheral flange at the lower part of the flow-limiting valve core, and the bottom of the flow-limiting valve air supply valve seat is in threaded connection with the flow-limiting valve seat; the valve core of the flow limiting valve, the air supply valve body of the flow limiting valve, the air supply valve seat of the flow limiting valve, the flow limiting valve core and the flow limiting valve seat are all provided with adaptive air holes.
As a further improvement of the utility model, an electromagnetic valve installation cavity is arranged in the air outlet channel, and the electromagnetic valve is positioned in the electromagnetic valve installation cavity; the electromagnetic valve comprises an electromagnetic valve seat, the electromagnetic valve seat is in threaded connection with an electromagnetic valve mounting cavity, a static iron core, a movable iron core and an electromagnetic main valve core are sequentially arranged in the electromagnetic valve seat from outside to inside, and a reset spring, a stop block and a sealing gasket are sequentially arranged in the movable iron core; sealing surfaces are arranged between two ends of the electromagnetic main valve core and the sealing gasket and between two ends of the electromagnetic main valve core and the air outlet channel respectively.
As a further improvement of the utility model, a manual valve installation cavity is arranged in the air outlet channel, and the manual valve is arranged in the manual valve installation cavity; the manual valve comprises a manual valve body, the manual valve body is in threaded connection with a manual valve installation cavity, the lower inner periphery of the manual valve body is in threaded connection with a manual valve rod seat, a manual valve rod is arranged in the manual valve body and the manual valve rod seat, the manual valve rod is in transmission connection with the manual valve rod seat, and the periphery of the manual valve rod and an inner hole of the manual valve rod seat are in an adaptive hexagonal shape; the lower end of the manual valve rod seat is provided with a manual valve core, and the manual valve core and the air outlet channel are provided with an adaptive manual valve sealing inclined plane.
As a further improvement of the present utility model, the TPRD component is installed in the secure tunnel; the safety channel is provided with a TPRD valve body installation cavity and a TPRD discharge port which are communicated, the TPRD device comprises a TPRD valve body, the periphery of the TPRD valve body is in threaded connection with the TPRD valve body installation cavity, the TPRD valve body installation cavity and the safety channel are slidably provided with a TPRD valve rod, a sealing ring is sleeved on the part of the TPRD valve rod, which is positioned in the safety channel, a spring is arranged between the TPRD valve rod and the TPRD valve body installation cavity, and a glass bubble is arranged between the TPRD valve rod and the TPRD valve body; the TPRD relief port is communicated with a cavity in which the spring is positioned; the TPRD valve rod and the insurance channel are provided with an adaptive insurance sealing surface.
As a further improvement of the present utility model, the air outlet connector and the air inlet connector are internally provided with filters.
As a further improvement of the utility model, the filter adopts a stainless steel sintered net filter core.
The application has the positive progress effects that:
The utility model adopts an external electromagnetic valve structure, which is easy to monitor and maintain; the main valve seat adopts an integral stainless steel structure, so that the structure is compact and the strength is high; and a flow limiting valve is adopted to prevent abnormal flow.
Drawings
Fig. 1 is a front view of the structure of the present utility model.
Fig. 2 is a cross-sectional view of the solenoid valve member, the manual valve member, and the restrictor valve.
Fig. 3 is a cross-sectional view of the TPRD, filter.
In fig. 1-3, an air outlet joint 1, a stop valve 2, a manual valve 3, a flow limiting valve 8 and the like are included.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "include" and "have," and the like, mean that other content not already listed may be "included" and "provided" in addition to those already listed in "include" and "provided; for example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements not expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Due to the drawing angle problem, some parts may not be drawn, but the positions and connection relations of the parts may be understood according to the text expression part.
As shown in fig. 1, the utility model relates to a high-pressure bottle valve with a flow limiting mechanism, which comprises a shell 4, wherein an air inflation channel, an air outlet channel and a safety channel are arranged in the shell 4, the air inflation channel is used for communicating an air source with a high-pressure bottle, the air outlet channel is used for connecting the high-pressure bottle with the atmosphere, the safety channel is used for ensuring the safety of the high-pressure bottle, and the safety channel is commonly connected with the high-pressure bottle and the atmosphere under the condition that the high-pressure bottle has high temperature.
The outer end of the inflation channel is provided with an air inlet joint 5.
The air outlet channel is sequentially provided with a flow limiting valve 8, an electromagnetic valve, a manual valve 3, a stop valve 2 and an air outlet joint 1.
As shown in fig. 2, the inner end of the air outlet channel is provided with a flow limiting valve installation cavity, and a flow limiting valve 8 is arranged in the flow limiting valve installation cavity. The limiting valve installation cavity comprises a limiting valve air supply valve body 8-3, the lower part of the limiting valve installation cavity is connected with the limiting valve air supply valve body 8-3 through threads, a limiting valve spool 8-2 and a limiting valve first spring 8-1 are arranged above the limiting valve air supply valve body 8-3, the upper end and the lower end of the limiting valve first spring 8-1 respectively support against the inner wall of the limiting valve installation cavity and the peripheral flange of the limiting valve spool 8-2, the inner periphery of the limiting valve air supply valve body 8-3 is connected with a limiting valve seat 8-4 through threads, a limiting valve limiting bushing 8-5 is arranged in the limiting valve seat 8-4, a limiting valve spool 8-6 is arranged in the limiting bushing 8-5 in a sliding mode, a limiting valve second spring 8-7 is arranged between the limiting valve limiting bushing 8-5 and the limiting valve spool 8-6, the two ends of the limiting valve second spring 8-7 respectively support against the bottom of the limiting valve limiting bushing 8-5 and the peripheral flange of the limiting valve spool 8-6, and the bottom of the limiting valve seat 8-4 is connected with the limiting valve seat 8-8 through threads. The valve core 8-2 of the flow limiting valve, the air supply valve body 8-3 of the flow limiting valve, the air supply valve seat 8-4 of the flow limiting valve, the flow limiting valve core 8-6 and the flow limiting valve seat 8-8 are respectively provided with an adaptive air hole.
When the high-pressure cylinder valve does not work, the flow limiting valve core 8-6 is contacted with the flow limiting valve seat 8-8 under the action of the spring force of the second spring 8-7 of the flow limiting valve. When the high-pressure bottle valve works and ventilates, gas flows, the pressure at the lower end of the flow limiting valve core 8-6 is increased, the flow limiting valve core 8-6 overcomes the spring force of the second spring 8-7 of the flow limiting valve under the action of air pressure and is separated from the flow limiting valve seat 8-8, when the flow quantity at the rear end is overlarge, the flow limiting valve core 8-6 is fully contacted with the air supply valve seat 8-4 of the flow limiting valve under the action of air pressure, and the gas can only pass through the small hole of the flow limiting valve core 8-6, and flows into the air outlet channel after the air throttling is reduced, so that the bottle valve is protected.
An electromagnetic valve installation cavity is arranged in the air outlet channel, and the electromagnetic valve is positioned in the electromagnetic valve installation cavity. The electromagnetic valve comprises an electromagnetic valve seat 11, the electromagnetic valve seat 11 is in threaded connection with an electromagnetic valve installation cavity, a static iron core 12, a movable iron core 14 and an electromagnetic main valve core 17 are sequentially arranged in the electromagnetic valve seat 11 from outside to inside, and a reset spring 13, a stop block 15 and a sealing gasket 16 are sequentially arranged in the movable iron core 14. Sealing surfaces are arranged between two ends of the electromagnetic main valve core 17 and the sealing gasket 16 and between two ends of the electromagnetic main valve core and the air outlet channel respectively.
The solenoid valve is sleeved on the periphery of the middle part of the solenoid valve seat 11, the outer end of the solenoid valve seat 11 is in threaded connection with a cap 10, and the cap 10 contacts the solenoid valve with the end face of the shell 4.
The static iron core 12 and the electromagnetic valve seat 11 are in interference press fit into a whole, and the end surfaces of the static iron core and the electromagnetic valve seat are fully contacted, so that magnetic leakage is reduced.
The electromagnetic main valve core 17 is matched with a sealing ring and is arranged in the electromagnetic valve seat 11, a pilot hole 17-1 is arranged in the electromagnetic main valve core 17, and the pilot hole 17-1 is in contact with the end face of the sealing gasket 16.
The electromagnetic valve is electrified to generate electromagnetic force, the electromagnetic force overcomes the air pressure, the spring force of the return spring 13 and the friction force of the movable iron core 14 to open the pilot hole 17-1 of the electromagnetic main valve core 17, the air in the pilot hole cavity of the electromagnetic main valve core 17 flows out, the pressure is reduced, and when the air pressure generated by the pressure difference between the pressure in the air cylinder and the pressure in the pilot hole cavity of the electromagnetic main valve core 17 is larger than the friction force of the electromagnetic main valve core 17, the electromagnetic main valve core 17 is completely opened; when the electromagnetic valve is powered off, the pressure in the gas cylinder is equal to the pressure of the valve cavity of the electromagnetic main valve core 17 and the pressure of the gas outlet, the spring force of the return spring 13 overcomes the friction force of the movable iron core 14 to push the electromagnetic main valve core 17 to the closed position, and the gas outlet channel is closed.
A manual valve installation cavity is arranged in the air outlet channel, and the manual valve is arranged in the manual valve installation cavity. The manual valve comprises a manual valve body 21, the manual valve body 21 is in threaded connection with a manual valve installation cavity, the lower inner periphery of the manual valve body 21 is in threaded connection with a manual valve rod seat 19, a manual valve rod 20 is arranged in the manual valve body 21 and the manual valve rod seat 19, the manual valve rod 20 is in transmission connection with the manual valve rod seat 19, and the outer periphery of the manual valve rod 20 and an inner hole of the manual valve rod seat 19 are in an adaptive hexagonal shape. The lower end of the manual valve rod seat 19 is provided with a manual valve core 18, and the manual valve core 18 and the air outlet channel are provided with an adaptive manual valve sealing inclined plane.
In order to facilitate the rotation of the manual valve rod 20, the outer end of the manual valve rod 20 extends out of the manual valve body 21 and is provided with an inner hexagonal wrench groove.
Under normal conditions, the manual valve 3 is in a normally open state.
A stop valve installation cavity is arranged in the air outlet channel, and a stop valve is arranged in the stop valve installation cavity. The stop valve installation cavity is communicated with the safety channel, and the stop valve 2 and the safety channel are provided with adaptive sealing surfaces.
As shown in fig. 3, the TPRD component is installed in the secure tunnel. The safety channel is provided with a TPRD valve body installation cavity and a TPRD discharge port 33 which are communicated, the TPRD device comprises a TPRD valve body 37, the periphery of the TPRD valve body 37 is in threaded connection with the TPRD valve body installation cavity, a TPRD valve rod 35 is slidably arranged in the TPRD valve body 37 and the safety channel, a sealing ring is sleeved on the part of the TPRD valve rod 35 in the safety channel, a spring 34 is arranged between the TPRD valve rod 35 and the TPRD valve body installation cavity, and a glass bulb 36 is arranged between the TPRD valve rod 35 and the TPRD valve body 37. The TPRD bleed port 33 communicates with the chamber in which the spring 34 is located. The TPRD valve stem 35 and the safety passage are provided with an adapted safety sealing surface.
One end of the spring 34 abuts against the inner end wall of the TPRD valve body mounting chamber and the other end abuts against the peripheral flange of the TPRD valve stem 35. The spring 34 pushes the TPRD valve stem 35 outwards, so that the TPRD valve stem 35, the glass bulb 36 and the TPRD valve body 37 are fixed relatively. The safety seal surface between the TPRD valve stem 35 and the safety channel is closed.
When the temperature of the environment in the high-pressure gas cylinder or the outside reaches 110+/-5 ℃, accidents such as deflagration and explosion caused by overheating of hydrogen in the hydrogen storage cylinder are prevented, when the temperature reaches the excitation temperature, the glass bubbles 36 are broken, the pressure overcomes the spring force of the spring 34 to enable the TPRD valve rod 35 to move outwards, the safety sealing surface is separated, and the gas cylinder gas is sequentially discharged out of the shell 4 through the TPRD valve body mounting cavity and the TPRD discharging port 33.
The filter 31 is arranged in the air outlet joint 1 and the air inlet joint 5. The filter 31 adopts a stainless steel sintering net filter element, has the filtering precision of up to 10 mu m, purifies gas, and intercepts impurities so as not to pollute a galvanic pile.
The working process of the utility model is as follows:
The manual valve 3 is in one-way circulation and cut-off, is normally in a normally open state, and can cut off a hydrogen source manually when the gas cylinder electromagnetic valve fails. The electromagnetic valve and the manual valve 3 are combined to effectively avoid hydrogen leakage. When the electromagnetic valve fails or is routinely maintained, the manual valve 3 is closed, so that high-pressure hydrogen in the bottle valve can be effectively prevented from escaping; the shut-off valve 2 is normally closed, and when the TPRD component fails, the high-pressure hydrogen in the bottle valve can be effectively discharged by opening the shut-off valve 2.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a take high-pressure bottle valve of current limiting mechanism, includes casing (4), is equipped with in casing (4) and aerifys passageway, the passageway of giving vent to anger, insurance passageway, its characterized in that, installs current limiting valve (8), solenoid valve, manual valve (3), stop valve (2), joint (1) of giving vent to anger in proper order in the passageway of giving vent to anger, is equipped with the stop valve installation cavity in the passageway of giving vent to anger, and the stop valve is located wherein, and stop valve installation cavity intercommunication insurance passageway, stop valve (2) are equipped with the sealed face of adaptation with insurance passageway.
2. A high pressure cylinder valve with flow restriction according to claim 1, characterized in that the outer end of the inflation channel is provided with an air inlet fitting (5).
3. The high-pressure bottle valve with the flow limiting mechanism as claimed in claim 1, wherein the inner end of the air outlet channel is a flow limiting valve mounting cavity, and a flow limiting valve (8) is arranged in the flow limiting valve mounting cavity; the limiting valve installation cavity comprises a limiting valve air supply valve body (8-3), the lower part of the limiting valve air supply valve body (8-3) is connected with the limiting valve air supply valve body (8-5) through threads, a limiting valve core (8-2) is arranged above the limiting valve air supply valve body (8-3), a limiting valve second spring (8-7) is arranged between the limiting valve limiting bushing (8-5) and the limiting valve core (8-6), the upper end and the lower end of the limiting valve first spring (8-1) respectively prop against the inner wall of the limiting valve installation cavity and the peripheral flange of the limiting valve core (8-2), the inner periphery of the limiting valve air supply valve body (8-3) is connected with a limiting valve air supply valve seat (8-4) through threads, a limiting valve limiting bushing (8-5) is arranged in the limiting valve air supply valve seat (8-4), a limiting valve core (8-6) is arranged in a sliding manner, a limiting valve second spring (8-7) is arranged between the limiting valve limiting bushing (8-5) and the limiting valve core (8-6), and the two ends of the limiting valve second spring (8-7) respectively prop against the bottom of the limiting valve bushing (8-5) and the periphery of the limiting valve core (8-6), and the periphery of the limiting valve air supply valve seat (8-4) is connected with the threads; the valve core (8-2), the air supply valve body (8-3), the air supply valve seat (8-4), the valve core (8-6) and the valve seat (8-8) are respectively provided with an adaptive air hole.
4. The high-pressure bottle valve with the flow limiting mechanism as claimed in claim 1, wherein the air outlet channel is provided with an electromagnetic valve mounting cavity in which the electromagnetic valve is positioned; the electromagnetic valve comprises an electromagnetic valve seat (11), the electromagnetic valve seat (11) is in threaded connection with an electromagnetic valve installation cavity, a static iron core (12), a movable iron core (14) and an electromagnetic main valve core (17) are sequentially arranged in the electromagnetic valve seat (11) from outside to inside, and a reset spring (13), a stop block (15) and a sealing gasket (16) are sequentially arranged in the movable iron core (14); sealing surfaces are arranged between two ends of the electromagnetic main valve core (17) and the sealing gasket (16) and the air outlet channel respectively.
5. The high-pressure bottle valve with flow limiting mechanism as claimed in claim 1, wherein a manual valve installation cavity is arranged in the air outlet channel, and the manual valve is arranged in the manual valve installation cavity; the manual valve comprises a manual valve body (21), the manual valve body (21) is in threaded connection with a manual valve mounting cavity, the lower inner periphery of the manual valve body (21) is in threaded connection with a manual valve rod seat (19), a manual valve rod (20) is arranged in the manual valve body (21) and the manual valve rod seat (19), the manual valve rod (20) is in transmission connection with the manual valve rod seat (19), and the outer periphery of the manual valve rod (20) and the inner hole of the manual valve rod seat (19) are in an adaptive hexagonal shape; the lower end of the manual valve rod seat (19) is provided with a manual valve core (18), and the manual valve core (18) and the air outlet channel are provided with an adaptive manual valve sealing inclined plane.
6. The high pressure cylinder valve with flow restrictor of claim 1, wherein the safety passage has a TPRD component installed therein; the safety channel is provided with a TPRD valve body installation cavity and a TPRD discharge port (33) which are communicated, the TPRD device comprises a TPRD valve body (37), the periphery of the TPRD valve body (37) is in threaded connection with the TPRD valve body installation cavity, a TPRD valve rod (35) is slidably arranged in the safety channel, a sealing ring is sleeved on the part of the TPRD valve rod (35) in the safety channel, a spring (34) is arranged between the TPRD valve rod (35) and the TPRD valve body installation cavity, and a glass bulb (36) is arranged between the TPRD valve rod (35) and the TPRD valve body (37); the TPRD relief port (33) is communicated with a chamber in which the spring (34) is arranged; the TPRD valve rod (35) and the insurance channel are provided with an adaptive insurance sealing surface.
7. High-pressure cylinder valve with flow-limiting mechanism according to claim 2, characterized in that the outlet (1) and inlet (5) connectors are built-in with a filter (31).
8. A high pressure cylinder valve with flow restrictor according to claim 7, characterized in that the filter (31) is a stainless steel sintered mesh filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628801.XU CN221145425U (en) | 2023-09-26 | 2023-09-26 | High-pressure bottle valve with flow limiting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628801.XU CN221145425U (en) | 2023-09-26 | 2023-09-26 | High-pressure bottle valve with flow limiting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221145425U true CN221145425U (en) | 2024-06-14 |
Family
ID=91384918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322628801.XU Active CN221145425U (en) | 2023-09-26 | 2023-09-26 | High-pressure bottle valve with flow limiting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221145425U (en) |
-
2023
- 2023-09-26 CN CN202322628801.XU patent/CN221145425U/en active Active
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