CN220540317U - Two-stage opening and closing device for high-pressure gas - Google Patents
Two-stage opening and closing device for high-pressure gas Download PDFInfo
- Publication number
- CN220540317U CN220540317U CN202321325374.1U CN202321325374U CN220540317U CN 220540317 U CN220540317 U CN 220540317U CN 202321325374 U CN202321325374 U CN 202321325374U CN 220540317 U CN220540317 U CN 220540317U
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- seat
- ejector rod
- pressure
- hydraulic
- ejector
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- 238000007789 sealing Methods 0.000 claims description 10
- 239000003921 oil Substances 0.000 description 18
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model provides a secondary opening and closing device for high-pressure gas, which comprises a first air inlet flange seat, wherein the first air inlet flange seat is connected with a first ejector rod seat, the first ejector rod seat is connected with a first hydraulic seat, the first hydraulic seat is connected with a second air inlet flange seat, the second air inlet flange seat is connected with a second ejector rod seat, the second ejector rod seat is connected with a second hydraulic seat, the second hydraulic seat is connected with an air outlet flange, the first air inlet flange seat is provided with an air inlet high-pressure air channel communicated with the first hydraulic seat, the first ejector rod seat is provided with a first ejector rod, the first ejector rod is movably connected with the first ejector rod seat, the first ejector rod is connected with a first hydraulic piston, the first ejector rod and the first hydraulic piston are matched to move towards the first air inlet flange seat, the second ejector rod seat is provided with a second ejector rod, the second ejector rod is movably connected with the second ejector rod seat, and the peripheries of the first ejector rod and the second ejector rod are provided with a plurality of pressure relief holes. The ejector rod is not influenced by the transverse force of compressed gas, and the valve can be easily opened and closed.
Description
Technical Field
The utility model relates to the technical field of pneumatic valves, in particular to a secondary opening and closing device for high-pressure gas.
Background
Ball valves or other valves used in the field of high pressure compressed gas are difficult to open or close due to the high pressure of the gas.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the secondary opening and closing device for the high-pressure gas, which can not generate transverse impact force of the valve, can automatically open the valve by means of the force of the gas and can be easily opened and closed. The technical scheme adopted by the utility model is as follows:
a secondary opening and closing device for high pressure gas, wherein: including one-level headstock gear and second grade headstock gear that connects gradually, one-level headstock gear includes first inlet flange seat, first inlet flange seat connects first ejector pin seat one end, first hydraulic pressure seat one end is connected to the first ejector pin seat other end, second inlet flange seat one end is connected to the first hydraulic pressure seat other end, second hydraulic pressure seat one end is connected to the second ejector pin seat other end, the flange of giving vent to anger is connected to the second hydraulic pressure seat other end, first inlet flange seat is equipped with the high pressure air way that feeds through with first hydraulic pressure seat, set up first ejector pin on the first ejector pin seat, first ejector pin movably connects in first ejector pin seat, first ejector pin seat and first ejector pin cooperation are in order to compress the air in the high pressure air way, first hydraulic piston is kept away from to the one end of inlet high pressure air way, first ejector pin and first hydraulic pressure piston cooperation are to first inlet flange seat compression, set up second ejector pin seat other end, second ejector pin movably connects in second hydraulic pressure seat other end, second ejector pin and second high pressure air way correspond to the high pressure air way, first ejector pin and second high pressure air way set up the second ejector pin, the high pressure piston is connected to the high pressure air way, the second ejector pin sets up the high pressure hole, and the high pressure air way.
Preferably, the high-pressure gas is with second grade headstock gear, wherein: a first sealing seat is arranged between the first air inlet flange seat and the first ejector rod seat, and a second sealing seat is arranged between the second air inlet flange seat and the second ejector rod seat.
Preferably, the high-pressure gas is with second grade headstock gear, wherein: one end of the first hydraulic piston, which is far away from the first ejector rod, is provided with a first hydraulic cylinder, a first oil inlet is arranged on the first hydraulic seat, and the first oil inlet is connected with the first hydraulic cylinder through a first oil inlet pipe.
Preferably, the high-pressure gas is with second grade headstock gear, wherein: the one end that second hydraulic piston kept away from the second ejector pin sets up the second pneumatic cylinder, set up the second oil inlet on the second hydraulic seat, the second oil inlet is through second oil feed pipe connection second pneumatic cylinder.
Preferably, the high-pressure gas is with second grade headstock gear, wherein: the first ejector rod is connected to the first ejector rod seat in a sliding manner, and the second ejector rod is connected to the second ejector rod seat in a sliding manner.
Preferably, the high-pressure gas is with second grade headstock gear, wherein: the first ejector rod and the second ejector rod are cylindrical.
The utility model has the advantages that:
(1) According to the secondary opening and closing device for the high-pressure gas, the valve is closed, hydraulic oil is injected into the hydraulic cavity, the piston moves forward under the action of oil pressure, the first ejector rod is pushed to move forward, and the valve is closed with the first air inlet flange seat, so that the closing effect is achieved; the valve is opened, the oil pressure of the hydraulic oil is released, the ejector rod moves backwards under the action of the air pressure at the front end, compressed air is discharged from holes uniformly distributed around the ejector rod, pressure relief is completed, and the ejector rod is not influenced by transverse force because the pressure relief holes at the periphery of the ejector rod are uniformly distributed, so that the ejector rod can be easily opened and closed; the function of the secondary opening and closing device is that the secondary opening and closing device can be started when the primary opening and closing device finds faults, and the secondary opening and closing device is a safety device which can be added under the condition that the front end production process is not influenced by the faults of the primary closing device.
Drawings
FIG. 1 is a schematic diagram showing the structure of the primary opening and closing device of the present utility model when the secondary opening and closing device is not in operation.
Fig. 2 is a schematic diagram of a structure in which both the primary opening and closing device and the secondary opening and closing device are closed.
Detailed Description
The utility model will be further described with reference to the following specific drawings and examples.
Examples
As shown in fig. 1-2: the embodiment provides a two-stage opening and closing device for high-pressure gas, wherein: comprises a first-stage opening and closing device and a second-stage opening and closing device which are sequentially connected, wherein the first-stage opening and closing device comprises a first air inlet flange seat 1, the first air inlet flange seat 1 is connected with one end of a first ejector rod seat 2, the other end of the first ejector rod seat 2 is connected with one end of a first hydraulic seat 3, the other end of the first hydraulic seat 3 is connected with a second air inlet flange seat 4, the second air inlet flange seat 4 is connected with one end of a second ejector rod seat 5, the other end of the second ejector rod seat 5 is connected with one end of a second hydraulic seat 6, the other end of the second hydraulic seat 6 is connected with an air outlet flange 7, the first air inlet flange seat 1 is provided with an air inlet high-pressure air channel 8 communicated with the first hydraulic seat 3, a first ejector rod 9 is arranged on the first ejector rod seat 2, the first ejector rod 9 is movably connected with the first ejector rod seat 2, the first ejector rod seat 2 is matched with the first ejector rod 9 to block air in the air inlet high-pressure air channel 8, the first ejector rod 9 is connected with the first hydraulic piston 10 at one end far away from the air inlet high-pressure air channel 8, the first ejector rod 9 and the first hydraulic piston 10 are matched to compress towards the first air inlet flange seat 1, the second ejector rod seat 5 is provided with the second ejector rod 11, the second ejector rod 11 is movably connected with the second ejector rod seat 5, one end of the second ejector rod 11 far away from the air cavity two 12 is connected with the second hydraulic piston 13, the second ejector rod 11 and the second hydraulic piston 13 are matched to compress towards the second air inlet flange seat 4, the peripheries of the first ejector rod 9 and the second ejector rod 11 are respectively provided with a plurality of pressure relief holes, the periphery of the first ejector rod 9 corresponding to the pressure relief holes is connected with the first high-pressure air channel 22, the periphery of the second ejector rod 11 corresponding to the pressure relief holes is connected with the second high-pressure air channel 23, the first high-pressure air channel 22 and the second high-pressure air channel 23 are connected, the end of the second high-pressure air channel 23, which is far away from the first high-pressure air channel 22, is provided with an air outlet high-pressure air channel 24.
Wherein: a first sealing seat 19 is arranged between the first air inlet flange seat 1 and the first ejector rod seat 2, and a second sealing seat 14 is arranged between the second air inlet flange seat 4 and the second ejector rod seat 5.
Wherein: the first hydraulic piston 10 is far away from one end of the first ejector rod 9 and is provided with a first hydraulic cylinder 15, the first hydraulic seat 3 is provided with a first oil inlet 16, and the first oil inlet 16 is connected with the first hydraulic cylinder 15 through a first oil inlet pipe 17.
Wherein: the second hydraulic cylinder 18 is arranged at one end of the second hydraulic piston 13 far away from the second ejector rod 11, a second oil inlet 20 is arranged on the second hydraulic seat 6, and the second oil inlet 20 is connected with the second hydraulic cylinder 18 through a second oil inlet pipe 21.
Wherein: the first ejector rod 9 is slidably connected to the first ejector rod seat 2, and the second ejector rod 11 is slidably connected to the second ejector rod seat 5.
Wherein: the first ejector rod 9 and the second ejector rod 11 are cylindrical.
The operation process of the utility model comprises the following steps: closing a valve, injecting hydraulic oil into a hydraulic cavity, moving a piston forwards under the action of oil pressure, pushing a first ejector rod to move forwards, closing the first ejector rod and a first air inlet flange seat, and closing the first ejector rod; the valve is opened, the oil pressure of the hydraulic oil is released, the ejector rod moves backwards under the action of the air pressure at the front end, compressed air is discharged from holes uniformly distributed around the ejector rod, pressure relief is completed, and the ejector rod is not influenced by transverse force because the pressure relief holes at the periphery of the ejector rod are uniformly distributed, so that the ejector rod can be easily opened and closed; the function of the secondary opening and closing device is that the secondary opening and closing device can be started when the primary opening and closing device finds faults, and the secondary opening and closing device is a safety device which can be added under the condition that the front end production process is not influenced by the faults of the primary closing device.
Working principle: closing: the first air inlet flange seat 1 is connected with the container, when the pressure of the gas in the container reaches a set value (10 Mpa to 100Mpa is input into another pipeline), the primary hydraulic pump starts to work, hydraulic oil enters the first hydraulic cylinder through the first oil inlet, the first hydraulic piston moves towards the first air inlet flange seat under the action of hydraulic pressure, and the first hydraulic piston pushes the first ejector rod to move forwards, so that the first ejector rod and the first sealing seat are closed, and compressed gas in an air inlet high-pressure air channel is prevented from leaking; in the normal working state of the primary blocking device, the ejector rod and the sealing seat of the secondary opening and closing device are in an opening state, as shown in the figure 1.
Opening: when the process is required to be depressurized, the hydraulic oil evacuation valve is opened, the hydraulic oil is automatically depressurized under the action of pressure, and the first ejector rod pushes the first hydraulic piston to automatically move backwards under the action of air inlet high-pressure air, so that the sealing seat is separated from the ejector rod, and the purpose of opening is achieved.
Enabling a secondary device: when the primary opening and closing device fails, hydraulic oil enters the secondary hydraulic oil cylinder through the secondary oil inlet, the secondary hydraulic piston moves towards the air inlet seat under the action of hydraulic pressure, and the secondary hydraulic piston pushes the secondary ejector rod to move forward, so that the secondary ejector rod and the secondary sealing seat are closed, and compressed gas in the primary opening and closing device and the air inlet high-pressure air passage is prevented from leaking. The figure shows that the first stage is in a closed state and the second stage is in an inactive state.
The two stages are all in the off state as shown in fig. 2.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a high-pressure gas is with second grade headstock gear which characterized in that: including one-level headstock gear and second grade headstock gear that connects gradually, one-level headstock gear includes first inlet flange seat (1), first inlet flange seat (1) connect first ejector pin seat (2) one end, first ejector pin seat (2) other end connect first hydraulic pressure seat (3) one end, second inlet flange seat (4) are connected to first hydraulic pressure seat (3) other end, second inlet flange seat (4) connect second ejector pin seat (5) one end, second ejector pin seat (5) other end connect second hydraulic pressure seat (6) one end, second hydraulic pressure seat (6) other end connect outlet flange (7), first inlet flange seat (1) are equipped with inlet air high pressure channel (8) with first hydraulic pressure seat (3) intercommunication, set up first ejector pin (9) on first ejector pin seat (2), first ejector pin seat (9) movably connect in first ejector pin seat (2), first ejector pin seat (2) cooperate with first ejector pin (9) in order to block second ejector pin seat (5) one end, second ejector pin seat (6) other end connect second hydraulic pressure flange (7) in order to block first ejector pin (9) high pressure channel (8), first ejector pin (10) move to first inlet flange (10), the second ejector rod (11) is movably connected to the second ejector rod seat (5), the second ejector rod (11) is connected with the second hydraulic piston (13), the second ejector rod (11) is matched with the second hydraulic piston (13) to compress the second air inlet flange seat (4), a plurality of pressure relief holes are formed in the peripheries of the first ejector rod (9) and the second ejector rod (11), the periphery of the first ejector rod (9) corresponding to the pressure relief holes is connected with the first high-pressure air channel (22), the periphery of the second ejector rod (11) corresponding to the pressure relief holes is connected with the second high-pressure air channel (23), the first high-pressure air channel (22) is connected with the second high-pressure air channel (23), and one end, far away from the first high-pressure air channel (22), of the second high-pressure air channel (23) is provided with the air outlet high-pressure air channel (24).
2. The two-stage opening and closing device for high-pressure gas according to claim 1, wherein: a first sealing seat (19) is arranged between the first air inlet flange seat (1) and the first ejector rod seat (2), and a second sealing seat (14) is arranged between the second air inlet flange seat (4) and the second ejector rod seat (5).
3. The two-stage opening and closing device for high-pressure gas according to claim 1, wherein: one end of the first hydraulic piston (10) far away from the first ejector rod (9) is provided with a first hydraulic cylinder (15), the first hydraulic seat (3) is provided with a first oil inlet (16), and the first oil inlet (16) is connected with the first hydraulic cylinder (15) through a first oil inlet pipe (17).
4. The two-stage opening and closing device for high-pressure gas according to claim 1, wherein: one end of the second hydraulic piston (13) far away from the second ejector rod (11) is provided with a second hydraulic cylinder (18), the second hydraulic seat (6) is provided with a second oil inlet (20), and the second oil inlet (20) is connected with the second hydraulic cylinder (18) through a second oil inlet pipe (21).
5. The two-stage opening and closing device for high-pressure gas according to claim 1, wherein: the first ejector rod (9) is connected to the first ejector rod seat (2) in a sliding mode, and the second ejector rod (11) is connected to the second ejector rod seat (5) in a sliding mode.
6. The two-stage opening and closing device for high-pressure gas according to claim 1, wherein: the first ejector rod (9) and the second ejector rod (11) are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321325374.1U CN220540317U (en) | 2023-05-29 | 2023-05-29 | Two-stage opening and closing device for high-pressure gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321325374.1U CN220540317U (en) | 2023-05-29 | 2023-05-29 | Two-stage opening and closing device for high-pressure gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540317U true CN220540317U (en) | 2024-02-27 |
Family
ID=89961558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321325374.1U Active CN220540317U (en) | 2023-05-29 | 2023-05-29 | Two-stage opening and closing device for high-pressure gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540317U (en) |
-
2023
- 2023-05-29 CN CN202321325374.1U patent/CN220540317U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240509 Address after: 51-1, Qianmaqiao, Ma Town, Xuxiake Town, Jiangyin City, Wuxi City, Jiangsu Province, 214406 Patentee after: Jiangyin Kaiyuan Compressor Co.,Ltd. Country or region after: China Address before: 51-1 Qianmaqiao, Ma Town, Jiangyin City, Wuxi City, Jiangsu Province, 214406 Patentee before: Sun Bin Country or region before: China |