CN210289567U - Emergency opening and closing door button device - Google Patents
Emergency opening and closing door button device Download PDFInfo
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- CN210289567U CN210289567U CN201920551534.1U CN201920551534U CN210289567U CN 210289567 U CN210289567 U CN 210289567U CN 201920551534 U CN201920551534 U CN 201920551534U CN 210289567 U CN210289567 U CN 210289567U
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Abstract
The utility model discloses an urgent switching door button device, including air supply, ball valve, distributor, first relief pressure valve, gas storage check valve, gas holder, urgent opening the door button, gas cylinder, second relief pressure valve, urgent door button, inflation valve, filter, bleed valve, solenoid valve, gas accuse check valve and door sealing strip. The utility model discloses can realize promptly closing the door function, still can close the door and accomplish inflatable seal, keep apart the function of polluted environment in the biological safety laboratory through gas holder compressed gas as power the device withdrawing the process.
Description
Technical Field
The utility model belongs to the sealing device field, concretely relates to urgent switching door button device is applied to life science, physics and chemistry and biosafety laboratory to and medical treatment operating room and bio-pharmaceuticals workshop etc. have the house and the facility equipment of strict airtight requirement.
Background
The airtight door is a metal door which has higher tightness requirement and can be controlled to open and close in an interlocking way. The air-tight door comprises: the door comprises a door frame, a door leaf, an inflation sealing rubber strip, an inflation and deflation control system and a door locking control device.
The ordinary airtight door is sealed and locked by means of electromagnetic attraction of an electromagnetic lock and expansion of a door sealing strip, emergency door opening is divided into two steps, an air release valve on the sealing strip is opened to release air, an emergency button is pressed to demagnetize the electromagnetic lock, and the airtight door can be opened.
The prior art needs drawbacks in that: 1. the airtight door can be opened only by two steps of operation under emergency conditions such as air-off and power-off, the operation is complicated, and the escape door opening time of personnel is prolonged; 2. the release valve is arranged on the indoor door leaf, the sealing strip can be directly communicated with the indoor and outdoor in the air leakage process, and the risk of outward leakage of indoor polluted air exists; 3. after the airtight door is opened suddenly, the airtight door can not be closed again due to equipment faults such as air supply, power failure and the like;
the device uses the emergency opening and closing door button device, the emergency button is pressed, the gas in the sealing strip is released through the pneumatic control loop, the electromagnetic lock is demagnetized, the one-key door opening operation is simple, and the escape time of people is shortened; the air storage tank solves the problem of limitation by external electrical conditions, the door can be opened urgently at any time and can be closed again, and the risk that the door cannot be closed in time and the pollution source diffuses outwards can be effectively reduced; the control valve and the air inlet and outlet of the door are both arranged outdoors, and the exhaust of the door sealing strip can not communicate indoors and outdoors, so that the leakage risk of a pollution source can be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an urgent switching door button device to the above-mentioned problem that prior art exists.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the emergency opening and closing door button device comprises an air source, wherein the air source is connected with the input end of a distributor through a ball valve, one output end of the distributor is connected with one end of an air storage one-way valve through a first pressure reducing valve, the other end of the air storage one-way valve is respectively connected with an air storage tank and one end of an air channel in an emergency door opening button through a tee joint, the other end of the air channel in the emergency door opening button is connected with an air control port of the air control one-way valve, the air source is connected with the air control port of the air control one-,
the other output end of the distributor is connected with one end of a gas path channel in the inflation valve, the gas cylinder is connected with one end of the gas path channel in the emergency door closing button through a second pressure reducing valve, the filter is connected with one end of the gas path channel in the deflation valve, the other end of the gas path channel in the inflation valve, the other end of the gas path channel in the emergency door closing button and the other end of the gas path channel in the deflation valve are connected with one end of a gas control one-way valve, and the other end of the gas control one-way valve is.
The air release valve is an air control valve, the air source is connected with an air control port of the air release valve through an air passage in the electromagnetic valve, and one end of the air passage in the emergency door opening button, which is connected with the air control port of the air control one-way valve, is connected with the air control port of the air release valve.
The control end of the inflation valve and the control end of the electromagnetic valve are both connected with the control cabinet,
the control cabinet is also respectively connected with the electromagnetic lock and the contact switch.
The emergency door opening button is positioned on the inner side of the door leaf, and the emergency door closing button is positioned on the outer side of the door leaf.
Compared with the prior art, the utility model, following beneficial effect has:
1) the utility model discloses collect electricity and gas double-circuit control, a key presses urgent door opening button and can realize that electromagnetic lock release, sealing strip are lost heart and open the door, reduces the action of opening the door, reduces the skilled requirement of personnel's operation, reduces personnel's risk.
2) The emergency door opening button and the emergency door closing button are all installed and fixed on the door frame, and the opening of the door frame is not influenced by external force and is easy to seal;
3) the airtight door can not be inflated and sealed again after emergency evacuation relative to the common airtight door; the utility model discloses the gas holder is installed in the setting, can realize promptly closing the door function, withdraws the process through gas holder compressed gas and still can close the door and accomplish inflatable seal as the power device, keeps apart the function of interior polluted environment of biological safety laboratory, guarantees personnel and the safe dual function of laboratory environment under emergency such as outage of breathing out.
Drawings
Fig. 1 is a schematic structural view of a door frame and a door leaf of the present invention;
fig. 2 is an electrical schematic diagram of embodiment 1 of the present invention;
fig. 3 is an electrical schematic diagram of embodiment 2 of the present invention.
1-gas source; 2-a ball valve; 3-a distributor; 4-an inflation valve; 5-a filter; 6-air release valve; 7-emergency door opening button; 9-door seal strip; 10-a pneumatic control one-way valve; 11-a gas storage tank; 12-gas storage one-way valve; 13-a first pressure relief valve; 14-a solenoid valve; 15-a gas cylinder; 16-a second pressure relief valve; 17-emergency door closing button;
31-a contact switch; 32-an electromagnetic lock; 33-a door frame; 34-a door leaf; 36-red indicator light; 37-green indicator light; 38-front control panel; 39-rear control panel.
Detailed Description
To facilitate understanding and practice of the invention by those of ordinary skill in the art, the following detailed description of the invention is provided in connection with the examples, and it is to be understood that the examples described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Example 1:
as shown in fig. 2, the emergency door opening and closing button device includes an air source 1, the air source 1 is connected with an input end of a distributor 3 through a ball valve 2, one output end of the distributor 3 is connected with one end of an air storage one-way valve 12 through a first pressure reducing valve 13, the other end of the air storage one-way valve 12 is respectively connected with an air storage tank 11 and one end of an air passage channel in an emergency door opening button 7 through a tee joint, the other end of the air passage channel in the emergency door opening button 7 is connected with an air control port of an air control one-way valve 10, the air source 1 is connected with the air control port of the air control,
the other output end of the distributor 3 is connected with one end of a gas path channel in the inflation valve 4, the gas cylinder 15 is connected with one end of the gas path channel in the emergency door closing button 17 through a second reducing valve 16, the filter 5 is connected with one end of the gas path channel in the deflation valve 6, the other end of the gas path channel in the inflation valve 4, the other end of the gas path channel in the emergency door closing button 17 and the other end of the gas path channel in the deflation valve 6 are all connected with one end of a gas control one-way valve 10, and the other end of the gas control one-way valve 10 is communicated.
In this embodiment, the air release valve 6 is an air control valve, the air source 1 is connected to an air control port of the air release valve 6 through an air passage in the electromagnetic valve 14, and one end of the air passage in the emergency door opening button 7, which is connected to the air control port of the air control one-way valve 10, is connected to the air control port of the air release valve 6.
The control cabinet is also connected with a red indicator light 36, a green indicator light 37, an electromagnetic lock 32 and a contact switch 31 respectively.
The control end of the inflation valve 4 and the control end of the electromagnetic valve 14 are both connected with a control cabinet, and the control cabinet controls the on-off of the air passage channels in the inflation valve 4 and the electromagnetic valve 14.
The emergency door opening button 7 is located on the inner side of the door leaf, and the emergency door closing button 17 is located on the outer side of the door leaf.
As shown in fig. 1, the red indicator light 36, the green indicator light 37, and the emergency door-opening button 7 are disposed on the front control panel 38, and the emergency door-closing button 17 is disposed on the rear control panel 39; a front side panel mounting concave groove is formed in the front side of the door frame 33, a rear side panel mounting concave groove is formed in the rear side of the door frame 33, the front control panel 38 is buckled on the front side panel mounting concave groove and fixed through screws, and a sealing ring is arranged at the contact position of the front control panel 38 and the groove edge of the front side panel mounting concave groove; the rear control panel 39 is buckled on the rear side panel mounting concave groove and is fixed by a screw, a sealing ring is arranged at the contact position of the rear control panel 39 and the groove edge of the rear side panel mounting concave groove, and a cable connected with the red indicator light 36, the green indicator light 37 and the emergency door opening button 7 passes through the front side panel mounting concave groove to enter the door frame 33 and passes through the door frame 33 from the inside of the door frame 33 to be connected with the control cabinet; the cable connected with the emergency door closing button 17 passes through the rear panel mounting concave groove to enter the door frame 33, and passes through the door frame 33 from the inside of the door frame 33 to be connected with the control cabinet.
The inner edge of the door frame 33 opposite to the door leaf is provided with a contact switch mounting groove and an electromagnetic lock mounting groove, the contact switch 31 is mounted on a contact switch mounting panel, the contact switch mounting panel is buckled on the contact switch mounting groove and is fixed through screws, and a sealing ring is arranged at the contact position of the contact switch mounting panel and the groove edge of the contact switch mounting groove; electromagnetic lock 32 installs on electromagnetic lock installation panel, and electromagnetic lock installation panel is buckled and is established on the electromagnetic lock mounting groove to through the screw fixation, electromagnetic lock installation panel is provided with the sealing washer with the groove edge contact department of contact switch mounting groove. The cable connected with the contact switch 31 passes through the contact switch mounting groove to enter the door frame 33 and passes through the door frame 33 from the inside of the door frame 33 to be connected with the control cabinet; the cable connected with the electromagnetic lock 32 passes through the electromagnetic lock installation groove to enter the door frame 33, and passes through the door frame 33 from the inside of the door frame 33 to be connected with the control cabinet.
The door sealing strip 9 is sleeved on the door leaf 34, the air pipe connected with the door sealing strip 9 passes through the air pipe inlet hole formed in the door leaf 34 to enter the door leaf 34, and penetrates out of the door leaf 34 through the air pipe outlet hole formed in the door leaf 34, and the air pipe penetrating out of the door leaf 34 passes through the door frame 33 to be connected with the control cabinet.
In a normal state, the external air source 1 provides compressed air, and the compressed air inflates the air storage tank 11 through the ball valve 2, the distributor 3, the first pressure reducing valve 13 and the air storage one-way valve 12, so that the air storage tank 11 is in a floating inflation state, and the door sealing strip 9 is in an inflation and expansion state; the inflation valve 4, the deflation valve 6, the electromagnetic valve 14 and the emergency door closing button 17 are all in a closed state, the air path is cut off, and the air control one-way valve 10 is cut off in the forward direction and reverse direction.
A door opening step: the control cabinet controls the electromagnetic lock 32 to lose power, the air passage in the control cabinet control electromagnetic valve 14 is conducted, and the control cabinet controls the inflation valve 4 to be disconnected; compressed air of the air source 1 respectively enters an air control port of the air control one-way valve 10 and an air control port of the air release valve 6 through the electromagnetic valve 14, the air control one-way valve 10 is opened and can circulate reversely (the direction of outward air release of the door sealing strip 9 through the air control one-way valve 10 is reverse), and the air release valve 6 is opened; the air in the door sealing strip 9 is discharged through the pneumatic control one-way valve 10, the air release valve 6 and the filter 5, and the door leaf 34 is manually opened.
A door closing step: and (3) closing the door leaf 34, controlling the gas path channel in the inflation valve 4 to be communicated by the control cabinet, controlling the gas path channel in the electromagnetic valve 14 to be disconnected by the control cabinet, and inflating the door sealing strip 9 by the gas in the gas source 1 through the ball valve 2, the distributor 3, the inflation valve 4 and the pneumatic control one-way valve 10 in sequence.
Emergency door opening: pressing the emergency door opening button 7, switching an air path channel in the emergency door opening button 7 from off to on, respectively allowing air in the air storage tank 11 to enter an air control one-way valve 10 and an air control port of the air release valve 6 through the air path channel in the emergency door opening button 7, allowing air to enter the air control port of the air control one-way valve 10, opening the air control one-way valve 10, allowing air to reversely flow, allowing air to enter the air control port of the air release valve 6, and switching the air path channel in the air release valve 6 on; the control cabinet controls the disconnection of the air passage in the charging valve 4 and the air passage in the electromagnetic valve 14, and controls the power loss of the electromagnetic lock 32. And (3) exhausting the gas in the door sealing strip 9 sequentially through the pneumatic control one-way valve 10, the air release valve 6 and the filter 5 until the gas in the door sealing strip is exhausted, and manually opening the door leaf 34.
Emergency door closing step:
the emergency door opening button 7 is reset after emergency door opening, an air channel in the emergency door opening button 7 is switched from connection to disconnection, the control cabinet controls the air channel in the inflation valve 4 and the air channel in the electromagnetic valve 14 to be disconnected, an air control port of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 cannot reversely flow and only can forwardly flow, the air control port of the air release valve 6 is not connected with air, the air channel in the air release valve 6 is disconnected, and the electromagnetic lock 32 is controlled to be electrified.
Closing the door leaf 34, pressing the emergency door closing button 17, switching the air passage in the emergency door closing button 17 from off to on, inflating the door sealing strip 9 by compressed air in the air bottle 15 through the second pressure reducing valve 16, the air passage in the emergency door closing button 17 and the air control one-way valve 10, sealing tightly by means of expansion and pressing of the door sealing strip 9, then resetting the emergency door closing button 17, switching the air passage in the emergency door closing button 17 from on to off, at the moment, the air control port of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 is in forward circulation and cannot be in reverse circulation, and the air in the door sealing strip 9 cannot be discharged.
Example 2:
as shown in fig. 3, the emergency door opening and closing button device includes an air source 1, the air source 1 is connected with an input end of a distributor 3 through a ball valve 2, one output end of the distributor 3 is connected with one end of an air storage one-way valve 12 through a first pressure reducing valve 13, the other end of the air storage one-way valve 12 is respectively connected with an air storage tank 11 and one end of an air passage channel in an emergency door opening button 7 through a tee joint, the other end of the air passage channel in the emergency door opening button 7 is connected with an air control port of an air control one-way valve 10, the air source 1 is connected with the air control port of the air control,
the other output end of the distributor 3 is connected with one end of a gas path channel in the inflation valve 4, the gas cylinder 15 is connected with one end of the gas path channel in the emergency door closing button 17 through a second reducing valve 16, the filter 5 is connected with one end of the gas path channel in the deflation valve 6, the other end of the gas path channel in the inflation valve 4, the other end of the gas path channel in the emergency door closing button 17 and the other end of the gas path channel in the deflation valve 6 are all connected with one end of a gas control one-way valve 10, and the other end of the gas control one-way valve 10 is communicated.
In this embodiment, the deflation valve 6 is an electric control valve, and the control end of the inflation valve 4, the control end of the electromagnetic valve 14, and the control end of the deflation valve 6 are all connected with the control cabinet.
The control cabinet controls the on-off of the air passage in the inflation valve 4, the electromagnetic valve 14 and the deflation valve 6.
The control cabinet is also connected with a red indicator light 36, a green indicator light 37, an electromagnetic lock 32 and a contact switch 31 respectively.
The emergency door opening button 7 is located on the inner side of the door leaf, and the emergency door closing button 17 is located on the outer side of the door leaf.
Other components and connection relation of the emergency opening/closing door button device in this embodiment are the same as those in embodiment 1.
An emergency door opening and closing method comprises the following steps:
in a normal state, the external air source 1 provides compressed air, and the compressed air inflates the air storage tank 11 through the ball valve 2, the distributor 3, the first pressure reducing valve 13 and the air storage one-way valve 12, so that the air storage tank 11 is in a floating inflation state, and the door sealing strip 9 is in an inflation and expansion state; the inflation valve 4, the deflation valve 6, the electromagnetic valve 14 and the emergency door closing button 17 are all in a closed state, the air path is cut off, and the air control one-way valve 10 is cut off in the forward direction and reverse direction;
a door opening step: the control cabinet controls the electromagnetic lock 32 to lose power, the air passage in the control cabinet control electromagnetic valve 14 is communicated with the air passage in the air release valve 6, and the control cabinet controls the inflation valve 4 to be disconnected; compressed air of the air source 1 enters an air control port of the air control one-way valve 10 through the electromagnetic valve 14, the air control one-way valve 10 is opened, and the air control one-way valve 10 can be circulated in the reverse direction (the direction of outward air exhaust of the door sealing strip 9 through the air control one-way valve 10 is the reverse direction); the gas in the door sealing strip 9 is discharged through the pneumatic control one-way valve 10, the air release valve 6 and the filter 5, and the door leaf 34 is manually opened;
a door closing step: closing the door leaf 34, and after the control cabinet obtains a door closing signal of the contact switch 31 and a door locking signal of the electromagnetic lock 32; the control cabinet controls the gas path channel in the charging valve 4 to be conducted, the control cabinet controls the gas path channel in the electromagnetic valve 14 and the gas path channel in the deflation valve 6 to be disconnected, and the gas in the gas source 1 sequentially passes through the ball valve 2, the distributor 3, the charging valve 4 and the pneumatic control one-way valve 10 to charge the door sealing strip 9.
Emergency door opening: the emergency door opening button 7 is pressed, an air channel in the emergency door opening button 7 is switched from off to on, air in the air storage tank 11 enters an air control port of the air control one-way valve 10 through the air channel in the emergency door opening button 7, the control cabinet controls the air channel in the air release valve 6 to be on, the air control port of the air control one-way valve 10 enters air, the air control one-way valve 10 is opened, and the air control one-way valve 10 can be communicated reversely; the control cabinet controls the disconnection of the air passage in the charging valve 4 and the air passage in the electromagnetic valve 14, and controls the power loss of the electromagnetic lock 32. And (3) exhausting the gas in the door sealing strip 9 sequentially through the pneumatic control one-way valve 10, the air release valve 6 and the filter 5 until the gas in the door sealing strip is exhausted, and manually opening the door leaf 34.
Emergency door closing step:
the emergency door opening button 7 is reset after emergency door opening, an air channel in the emergency door opening button 7 is switched from connection to disconnection, the control cabinet controls the air channel in the inflation valve 4 and the air channel in the electromagnetic valve 14 to be disconnected, the air channel in the deflation valve 6 to be disconnected, an air control port of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 cannot reversely flow and only can forwardly flow, and the electromagnetic lock 32 is controlled to be electrified.
Closing the door leaf 34, pressing the emergency door closing button 17, switching the air passage in the emergency door closing button 17 from off to on, inflating the door sealing strip 9 by compressed air in the air bottle 15 through the second pressure reducing valve 16, the air passage in the emergency door closing button 17 and the air control one-way valve 10, sealing tightly by means of expansion and pressing of the door sealing strip 9, then resetting the emergency door closing button 17, switching the air passage in the emergency door closing button 17 from on to off, at the moment, the air control port of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 is in forward circulation and cannot be in reverse circulation, and the air in the door sealing strip 9 cannot be discharged.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. An emergency opening and closing door button device comprises an air source (1) and is characterized in that the air source (1) is connected with an input end of a distributor (3) through a ball valve (2), one output end of the distributor (3) is connected with one end of an air storage one-way valve (12) through a first pressure reducing valve (13), the other end of the air storage one-way valve (12) is respectively connected with an air storage tank (11) and one end of an air channel in an emergency opening door button (7) through a tee joint, the other end of the air channel in the emergency opening door button (7) is connected with an air control port of an air control one-way valve (10), the air source (1) is connected with the air control port of the air control one-way valve (10) through the air channel,
the other output end of the distributor (3) is connected with one end of a gas path channel in the inflation valve (4), a gas cylinder (15) is connected with one end of the gas path channel in the emergency door closing button (17) through a second reducing valve (16), a filter (5) is connected with one end of the gas path channel in the deflation valve (6), the other end of the gas path channel in the inflation valve (4), the other end of the gas path channel in the emergency door closing button (17), and the other end of the gas path channel in the deflation valve (6) are connected with one end of a gas control one-way valve (10), and the other end of the gas control one-way valve (10) is communicated with a door sealing strip (9).
2. The emergency door opening and closing button device according to claim 1, wherein the deflation valve (6) is a pneumatic control valve, the air source (1) is connected with a pneumatic control port of the deflation valve (6) through an air passage in the electromagnetic valve (14), and one end of the air passage in the emergency door opening button (7) connected with the pneumatic control port of the pneumatic control one-way valve (10) is connected with the pneumatic control port of the deflation valve (6).
3. Emergency door button device according to claim 2, characterized in that the control terminal of the charging valve (4) and the control terminal of the solenoid valve (14) are both connected to a control cabinet,
the control cabinet is also respectively connected with an electromagnetic lock (32) and a contact switch (31).
4. The emergency door opening and closing button device according to claim 3, wherein the emergency door opening button (7) is located on the inner side of the door leaf, and the emergency door closing button (17) is located on the outer side of the door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551534.1U CN210289567U (en) | 2019-04-22 | 2019-04-22 | Emergency opening and closing door button device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551534.1U CN210289567U (en) | 2019-04-22 | 2019-04-22 | Emergency opening and closing door button device |
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| Publication Number | Publication Date |
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| CN210289567U true CN210289567U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920551534.1U Active CN210289567U (en) | 2019-04-22 | 2019-04-22 | Emergency opening and closing door button device |
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| CN (1) | CN210289567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958382A (en) * | 2019-04-22 | 2019-07-02 | 中国科学院武汉病毒研究所 | Urgent shutter door PBU pushbutton unit and shutter door method |
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2019
- 2019-04-22 CN CN201920551534.1U patent/CN210289567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958382A (en) * | 2019-04-22 | 2019-07-02 | 中国科学院武汉病毒研究所 | Urgent shutter door PBU pushbutton unit and shutter door method |
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