CN221346723U - Auxiliary opening structure of negative pressure door - Google Patents
Auxiliary opening structure of negative pressure door Download PDFInfo
- Publication number
- CN221346723U CN221346723U CN202322809050.1U CN202322809050U CN221346723U CN 221346723 U CN221346723 U CN 221346723U CN 202322809050 U CN202322809050 U CN 202322809050U CN 221346723 U CN221346723 U CN 221346723U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- pressure
- door
- passageway
- pressure door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 238000000605 extraction Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 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
- 108010066057 cabin-1 Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses an auxiliary opening structure of a negative pressure door, which comprises a negative pressure passageway arranged on a negative pressure bin, wherein a first negative pressure door and a second negative pressure door are arranged in the negative pressure passageway, a pressure regulating space is formed between the first negative pressure door and the second negative pressure door, an air duct communicated with the outside is further arranged on the negative pressure passageway, a one-way air inlet valve is arranged on the air duct, an evacuating pipe for evacuating the pressure regulating space is further arranged on the negative pressure passageway, an evacuating machine is arranged on the evacuating pipe, and a first air pressure meter for detecting the pressure in the pressure regulating space is arranged in the pressure regulating space; the negative pressure bin is internally provided with a second barometer for detecting the internal pressure of the negative pressure bin; the adjusting space plays a role in pressure adjustment, so that the pressure of the spaces at the two sides of the first negative pressure door and the second negative pressure door is ensured to be the same, and the opening is convenient.
Description
Technical Field
The utility model relates to the technical field of negative pressure door opening, in particular to an auxiliary opening structure of a negative pressure door.
Background
The negative pressure door is a special door based on the improvement of the common door, is generally installed in workshops, hospitals and pharmaceutical factories, and adopts a negative pressure shielding mode in the design of a ventilation system, namely, the indoor space is kept in a negative pressure state relative to the outside; the auxiliary opening device of the negative pressure door with the application number of CN202221267896.6 is opened through a crow bar, so that the negative pressure door is easily damaged.
Disclosure of utility model
In order to solve the defect that the prior art is opened by a crow bar, so that the negative pressure door is easy to damage, the utility model provides an auxiliary opening structure of the negative pressure door.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to an auxiliary opening structure of a negative pressure door, which comprises a negative pressure passageway arranged on a negative pressure bin, wherein a first negative pressure door and a second negative pressure door are arranged in the negative pressure passageway, a pressure adjusting space is formed between the first negative pressure door and the second negative pressure door, an air duct communicated with the outside is further arranged on the negative pressure passageway, a one-way air inlet valve is arranged on the air duct, an evacuating pipe for evacuating the pressure adjusting space is further arranged on the negative pressure passageway, an evacuating machine is arranged on the evacuating pipe, and a first air pressure meter for detecting the pressure in the pressure adjusting space is arranged in the pressure adjusting space; and a second barometer for detecting the internal pressure of the negative pressure bin is also arranged in the negative pressure bin.
As a preferable technical scheme of the utility model, the one-way air extraction valve is arranged on the air extraction pipe.
As a preferable technical scheme of the utility model, the negative pressure passageway is provided with a first controller for controlling the opening of the one-way air inlet valve at one side close to the external space and in the pressure regulating space.
As a preferable technical scheme of the utility model, the inner wall of the negative pressure bin and the pressure regulating space are respectively provided with a second controller, and the second controllers are connected with the evacuator, the one-way air inlet valve, the first barometer and the second barometer.
As a preferable technical scheme of the utility model, the first negative pressure door and the second negative pressure door are not opened at the same time.
As a preferable technical scheme of the utility model, the second negative pressure door is opened only when the air pressure values detected by the first air pressure gauge and the second air pressure gauge are consistent.
The beneficial effects of the utility model are as follows:
In the negative pressure door auxiliary opening structure, a first negative pressure door and a second negative pressure door are arranged in a negative pressure passageway, and a pressure adjusting space is formed between the first negative pressure door and the second negative pressure door, so that the second negative pressure door close to the negative pressure chamber is used for opening and closing the negative pressure chamber, the pressure adjusting space plays a role in pressure adjustment, when the air pressure values detected by a first air pressure gauge and a second air pressure gauge are consistent, the second negative pressure door is opened, the internal and external pressure difference of the second negative pressure door is eliminated, so that the second negative pressure door is convenient to open, and when the first negative pressure door is opened, the one-way air inlet valve is opened through a first controller, so that the internal air pressure of the pressure adjusting space is consistent with the external air pressure, the internal and external pressure difference of the second negative pressure door is eliminated, and the first negative pressure door is convenient to open; and then evacuating the pressure regulating space through an evacuating machine to regulate the air pressure, wherein the internal pressure and the external pressure of the second negative pressure door are consistent.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of an auxiliary opening structure of a negative pressure door according to the present utility model;
FIG. 2 is a first negative pressure door opening state diagram of a negative pressure door auxiliary opening structure according to the present utility model;
fig. 3 is a second negative pressure door opening state diagram of the negative pressure door auxiliary opening structure of the present utility model.
In the figure: 1. a negative pressure bin; 2. a negative pressure aisle; 3. a first negative pressure gate; 4. a second negative pressure gate; 5. a pressure regulating space; 6. an air duct; 7. a one-way air inlet valve; 8. an evacuating machine; 9. a first barometer; 10. a second barometer; 11. an evacuation tube; 12. a one-way air extraction valve; 13. a first controller; 14. and a second controller.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, 2 and 3, the auxiliary opening structure of the negative pressure door of the utility model comprises a negative pressure passageway 2 arranged on a negative pressure bin 1, wherein a first negative pressure door 3 and a second negative pressure door 4 are arranged in the negative pressure passageway 2, a pressure regulating space 5 is formed between the first negative pressure door 3 and the second negative pressure door 4, an air duct 6 communicated with the outside is further arranged on the negative pressure passageway 2, a one-way air inlet valve 7 is arranged on the air duct 6, an evacuating pipe 11 for evacuating the pressure regulating space 5 is further arranged on the negative pressure passageway 2, an evacuating machine 8 is arranged on the evacuating pipe, and a first air pressure meter 9 for detecting the pressure in the pressure regulating space 5 is arranged in the pressure regulating space 5; and a second barometer 10 for detecting the internal pressure of the negative pressure bin 1 is also arranged in the negative pressure bin 1. A first negative pressure door 3 and a second negative pressure door 4 are arranged in the negative pressure passageway 2, and a pressure adjusting space 5 is formed between the first negative pressure door 3 and the second negative pressure door 4, so that the negative pressure passageway 1 is opened and closed by the second negative pressure door 4 close to the negative pressure passageway 1, the pressure adjusting space 5 plays a role in pressure adjustment, when the pressure values detected by the first air pressure gauge 9 and the second air pressure gauge 10 are consistent, the second negative pressure door 4 is opened, the internal and external pressure difference of the second negative pressure door 4 is eliminated, so that the second negative pressure door 4 is conveniently opened, and when the first negative pressure door 3 is opened, the one-way air inlet valve 7 is opened by the first controller 13, so that the internal air pressure of the pressure adjusting space 5 is consistent with the external air pressure, the internal and external pressure difference of the second negative pressure door 4 is eliminated, and the first negative pressure door 3 is conveniently opened; the pressure regulating space 5 is then evacuated by the evacuator 8 to regulate the air pressure, and the internal and external pressures of the second negative pressure door 4 are uniform.
Wherein, the air suction pipe 11 is provided with a one-way air suction valve 12. Can only carry out one-way air suction
The negative pressure passageway 2 is provided with a first controller 13 for controlling the opening of the unidirectional air inlet valve 7 on one side close to the external space and in the pressure regulating space 5, so that the air pressure regulation between the pressure regulating space 5 and the external environment is easy to carry out.
The second controllers 14 are arranged on the inner wall of the negative pressure bin 1 and in the pressure adjusting space 5, the second controllers 14 are connected with the evacuating machine 8, the one-way air inlet valve 7, the first air pressure meter 9 and the second air pressure meter 10, air pressure adjustment between the pressure adjusting space 5 and the external environment is facilitated, and the second negative pressure door 4 is conveniently opened.
Wherein the first negative pressure door 3 and the second negative pressure door 4 are not opened at the same time.
When the air pressure values detected by the first air pressure gauge 9 and the second air pressure gauge 10 are consistent, the second negative pressure door 4 is opened.
When the auxiliary opening structure of the negative pressure door works, a pressure adjusting space 5 is formed between the first negative pressure door 3 and the second negative pressure door 4, so that the negative pressure door 1 is opened and closed by the second negative pressure door 4 close to the negative pressure cabin 1, the pressure adjusting space 5 plays a role in pressure adjustment, when the pressure values detected by the first air pressure gauge 9 and the second air pressure gauge 10 are consistent, the second negative pressure door 4 is opened, the internal and external pressure difference of the second negative pressure door 4 is eliminated, the second negative pressure door 4 is conveniently opened, and when the first negative pressure door 3 is opened, the one-way air inlet valve 7 is opened by the first controller 13, so that the internal air pressure of the pressure adjusting space 5 is consistent with the external air pressure, the internal and external pressure difference of the second negative pressure door 4 is eliminated, and the first negative pressure door 3 is conveniently opened; the pressure regulating space 5 is then evacuated by the evacuator 8 to regulate the air pressure, and the internal and external pressures of the second negative pressure door 4 are uniform.
Finally, it should be noted that: 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 (6)
1. The utility model provides a negative pressure door assists opening structure, its characterized in that, including setting up negative pressure passageway (2) on negative pressure storehouse (1), just be equipped with first negative pressure door (3) and second negative pressure door (4) in negative pressure passageway (2), just form pressure regulation space (5) between first negative pressure door (3) and second negative pressure door (4), just still be equipped with on negative pressure passageway (2) with air duct (6) of external intercommunication, be equipped with unidirectional air inlet valve (7) on air duct (6), just still be equipped with on negative pressure passageway (2) to the evacuation pipe (11) of evacuating pressure regulation space (5), just be equipped with on the evacuation pipe and evacuate machine (8), just be equipped with in pressure regulation space (5) and detect first barometer (9) to the inside pressure of pressure regulation space (5); and a second barometer (10) for detecting the internal pressure of the negative pressure bin (1) is also arranged in the negative pressure bin (1).
2. The auxiliary opening structure of the negative pressure door according to claim 1, wherein the evacuation pipe (11) is provided with a one-way extraction valve (12).
3. The auxiliary opening structure of the negative pressure door according to claim 1, wherein the negative pressure passageway (2) is provided with a first controller (13) for controlling the opening of the unidirectional air inlet valve (7) on one side close to the external space and in the pressure regulating space (5).
4. The auxiliary opening structure of the negative pressure door according to claim 1, wherein a second controller (14) is arranged on the inner wall of the negative pressure bin (1) and in the pressure adjusting space (5), and the second controller (14) is connected with the evacuator (8), the one-way air inlet valve (7), the first barometer (9) and the second barometer (10).
5. A negative pressure door auxiliary opening structure according to claim 1, characterized in that the first negative pressure door (3) and the second negative pressure door (4) are not opened at the same time.
6. A negative pressure door auxiliary opening structure according to claim 1, characterized in that the second negative pressure door (4) is opened only when the air pressure values detected by the first air pressure gauge (9) and the second air pressure gauge (10) are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809050.1U CN221346723U (en) | 2023-10-19 | 2023-10-19 | Auxiliary opening structure of negative pressure door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809050.1U CN221346723U (en) | 2023-10-19 | 2023-10-19 | Auxiliary opening structure of negative pressure door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221346723U true CN221346723U (en) | 2024-07-16 |
Family
ID=91851690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322809050.1U Active CN221346723U (en) | 2023-10-19 | 2023-10-19 | Auxiliary opening structure of negative pressure door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221346723U (en) |
-
2023
- 2023-10-19 CN CN202322809050.1U patent/CN221346723U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206268473U (en) | A kind of zero leakage sealing gland playing card valve | |
| CN221346723U (en) | Auxiliary opening structure of negative pressure door | |
| CN201832776U (en) | Drying system of vacuum paint-dipping dryer | |
| CN211693532U (en) | Two-way valve | |
| CN206889373U (en) | The pressurized fuel tank of injection machine | |
| CN103032579B (en) | Pressure air intake and exhaust volume amplifying device of exhaust valve | |
| CN206359947U (en) | A kind of energy-conserving and environment-protective water guider | |
| CN208217893U (en) | A kind of smoke box tears stacking sucker clamp open | |
| CN204042088U (en) | Automatic suberization valve | |
| CN214327870U (en) | Magnetron sputtering equipment air feed mechanism | |
| CN203743541U (en) | Low-pressure protection valve of normal-pressure vessel | |
| CN208103341U (en) | A kind of compound distribution type generator of integrated form and grasping system | |
| CN207095859U (en) | A kind of back lining bearing sealing property detection device | |
| CN203023559U (en) | Vent valve pressure-possessed air intake and exhaust quantity magnifying device | |
| CN218294458U (en) | Automatic closing flow stop valve | |
| CN201398322Y (en) | Automatic pressure maintaining device for edible fungi liquid seed production fermenter | |
| CN204692646U (en) | The without hindrance blowdown valve of a kind of pull fastening type vacuum | |
| CN205298594U (en) | Vacuum valve with long -range wireless monitoring function | |
| CN219933729U (en) | Automatic trigger vacuumizing device | |
| CN216296632U (en) | Vacuum material suction device applied to rice mill | |
| CN205308470U (en) | Ball mill with self -bleeding device | |
| CN219172993U (en) | Wafer magazine intelligent storage cabinet | |
| CN215637783U (en) | Air door device | |
| CN213335547U (en) | Selective furnace door air exhaust gas path structure | |
| CN206874461U (en) | A kind of back pressure regulator device of compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |