CN102302792A - Door sealing system of high-temperature sterilization cabinet - Google Patents
Door sealing system of high-temperature sterilization cabinet Download PDFInfo
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- CN102302792A CN102302792A CN201110278387A CN201110278387A CN102302792A CN 102302792 A CN102302792 A CN 102302792A CN 201110278387 A CN201110278387 A CN 201110278387A CN 201110278387 A CN201110278387 A CN 201110278387A CN 102302792 A CN102302792 A CN 102302792A
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- door sealing
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Abstract
The invention discloses a door sealing system of a high-temperature sterilization cabinet. The door sealing system comprises a communicating pipeline, an air compression device, a one-way valve, a pneumatic control one-way valve and a door sealing four-way safety valve, wherein the gas output terminal of the air compression device is communicated with one end of the pneumatic control one-way valve and the first opening of the door sealing safety valve via the pipelines at the same time; the second opening of the door sealing safety valve is communicated with gas in the high-temperature sterilization cabinet; the other end of the pneumatic control one-way valve is connected with one gas inlet of the communicating pipeline; the other gas inlet of the communicating pipeline is connected with one end of the one-way valve; the other end of the one-way valve is communicated with the third opening of the door sealing four-way safety valve; the fourth opening of the door sealing four-way safety valve is communicated with the gas in the high-temperature sterilization cabinet; and two gas outlets of the communicating pipeline are respectively communicated with two grooves in an accommodation seal ring on a door panel of the sterilization cabinet. The door sealing system has the beneficial effects that pressure compensation is realized by means of the gas in the cabinet in the case of insufficient compressed air pressure so as to eliminate various potential safety hazards caused by insufficient seal.
Description
Technical field
The invention belongs to sterilization cabinet technical field of sealing technology, relate in particular to the door sealing system of high temperature sterilize cabinet.
Background technology
The high temperature sterilize cabinet is a kind of cabinet that utilizes steam to sterilize, and it is widely used in the pharmaceutical field.The high temperature sterilize cabinet in normal operation, need to the sterilization cabinet the door with cabinet in the space seal, for this reason, prior art provides the door sealing system of a high temperature sterilize cabinet.
Usually; The door-plate of high temperature sterilize cabinet is provided with two grooves of close respectively door-plate top and bottom; The ccontaining sealing ring of difference in two grooves; As shown in Figure 1; The door sealing system of the high temperature sterilize cabinet that prior art provides comprises a connecting pipe road; This connecting pipeline comprises an air inlet and two gas outlets, and air inlet connects the gas output end of pressing empty device through a valve, and two gas outlets communicate with two grooves respectively.In use, open valve, make and press the compressed air of empty device output to get into connecting pipeline, thereby sealing ring is pressed on the door-plate inner surface and plays sealing function.
But because in process of production, produce High Temperature High Pressure in the high temperature sterilize cabinet, in case extraneous compressed air stops, sealing can't guarantee, has serious potential safety hazard.
Summary of the invention
The purpose of the embodiment of the invention is to provide the door sealing system of a high temperature sterilize cabinet, can't guarantee sealing with the door sealing system that solves existing high temperature sterilize cabinet, has the problem of serious potential safety hazard.
The embodiment of the invention is achieved in that a kind of door sealing system of high temperature sterilize cabinet, and said system comprises: connecting pipeline, press empty device, check valve, gas control check valve, door sealing insurance cross valve; Press the end of the gas output end of empty device through pipeline connection gas control check valve; Through first port of the said door sealing easing valve of pipeline connection, second port of said door sealing easing valve is communicated with the interior gas of cabinet of high temperature sterilize cabinet to the gas output end of the empty device of said pressure simultaneously; The other end of said gas control check valve connects an air inlet of pipeline; Another air inlet of connecting pipeline connects an end of check valve; The other end of check valve is communicated with the third connectivity mouth of said door sealing insurance cross valve, and the four-way mouth of said door sealing insurance cross valve is communicated with the interior gas of cabinet of high temperature sterilize cabinet; Two gas outlets of said connecting pipeline respectively with sterilization cabinet door-plate on two grooves of ccontaining sealing ring communicate.
The door sealing system of high temperature sterilize cabinet provided by the invention is outside the approach that the existing compressed air of reservation seals; Utilize the interior gas of cabinet that compressed air pressure deficiency or situation about making zero are carried out pressure compensation; Played effect, eliminated the not enough existing various potential safety hazards of sealing the dual-seal of sterilization cabinet door-plate.
Description of drawings
Fig. 1 is the structure chart of the door sealing system of the high temperature sterilize cabinet that provides of prior art;
Fig. 2 is the structure chart of the door sealing system of high temperature sterilize cabinet provided by the invention.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 2, the door sealing system of high temperature sterilize cabinet of the present invention comprises: connecting pipeline 5, press empty device 1, gas control check valve 2, check valve 3, door sealing insurance cross valve 4; Wherein, Press the end of the gas output end of empty device 1 through pipeline connection gas control check valve 2; The gas output end of pressing empty device 1 is simultaneously through the first port B of pipeline connection door sealing easing valve 4, and the second port D of door sealing easing valve 4 is communicated with the interior gas of cabinet of high temperature sterilize cabinet; The other end of gas control check valve 2 connects an air inlet of pipeline 5; Another air inlet of connecting pipeline 5 connects an end of check valve 3; The third connectivity mouth A of the other end communicating door sealing insurance cross valve 4 of check valve 3, the four-way mouth C of door sealing insurance cross valve 4 is communicated with the interior gas of cabinet of high temperature sterilize cabinet; Two gas outlets of connecting pipeline 5 respectively with sterilization cabinet door-plate on two grooves of ccontaining sealing ring communicate.
The door sealing system of this high temperature sterilize cabinet is when operate as normal; If press the compressed air pressure of empty device 1 output normal; Then gas control check valve 2 is in opening; Check valve 3 all is in closed condition with door sealing insurance cross valve 4; Thereby gas is not connected with the extraneous compressed air that gets in the cabinet of high temperature sterilize cabinet; The extraneous compressed air that gets into directly gets into connecting pipeline 5 and sealing ring is pressed in door-plate through gas control check valve 2; Usually; This moment, the cabinet internal gas pressure of high temperature sterilize cabinet was 0.2 to 0.3MPa, and the extraneous compression gas-pressure that gets into is 0.6-0.8MPa; When pressing empty device 1 to occur unusual or owing to other reason occurs that extraneous compressed air pressure reduces or when making zero; Gas control check valve 2 is closed; Check valve 3 is opened with door sealing insurance cross valve 4; Gas gets into connecting pipeline 5 through door sealing insurance cross valve 4 and check valve 3 in turn in the cabinet of high temperature sterilize cabinet; Thereby realize effect, play the function of dual-seal protection the door-plate sealing of sterilization cabinet.Check valve 3 is wherein made mistakes for further anti-locking system and is caused compressed air to get in the cabinet gas and be provided with.
The door sealing system of high temperature sterilize cabinet provided by the invention is outside the approach that the existing compressed air of reservation seals; Utilize the interior gas of cabinet that compressed air pressure deficiency or situation about making zero are carried out pressure compensation; Played effect, eliminated the not enough existing various potential safety hazards of sealing the dual-seal of sterilization cabinet door-plate.
The above; Only be the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (1)
1. the door sealing system of a high temperature sterilize cabinet is characterized in that, said system comprises: connecting pipeline, press empty device, check valve, gas control check valve, door sealing insurance cross valve;
Press the end of the gas output end of empty device through pipeline connection gas control check valve; Through first port of the said door sealing easing valve of pipeline connection, second port of said door sealing easing valve is communicated with the interior gas of cabinet of high temperature sterilize cabinet to the gas output end of the empty device of said pressure simultaneously; The other end of said gas control check valve connects an air inlet of pipeline; Another air inlet of connecting pipeline connects an end of check valve; The other end of check valve is communicated with the third connectivity mouth of said door sealing insurance cross valve, and the four-way mouth of said door sealing insurance cross valve is communicated with the interior gas of cabinet of high temperature sterilize cabinet; Two gas outlets of said connecting pipeline respectively with sterilization cabinet door-plate on two grooves of ccontaining sealing ring communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278387.3A CN102302792B (en) | 2011-09-19 | 2011-09-19 | Door sealing system of high-temperature sterilization cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110278387.3A CN102302792B (en) | 2011-09-19 | 2011-09-19 | Door sealing system of high-temperature sterilization cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102302792A true CN102302792A (en) | 2012-01-04 |
| CN102302792B CN102302792B (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110278387.3A Active CN102302792B (en) | 2011-09-19 | 2011-09-19 | Door sealing system of high-temperature sterilization cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN102302792B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039334A (en) * | 2016-06-30 | 2016-10-26 | 张家港华菱医疗设备股份公司 | Pre-filling needle sterilizer and sterilizing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4228914A (en) * | 1978-03-01 | 1980-10-21 | Sanderson Roger S | Sterilized storage container |
| CN2547958Y (en) * | 2000-12-01 | 2003-04-30 | 上海温兴生物工程有限公司 | Sealing device for pressure vessel |
| CN101306204A (en) * | 2007-05-20 | 2008-11-19 | 张家港海锅重型锻件有限公司 | Door sealing device |
| CN201862006U (en) * | 2010-09-17 | 2011-06-15 | 山东新华医疗器械股份有限公司 | Door sealing and pneumatic control device for sterilizer |
| CN201870994U (en) * | 2010-11-30 | 2011-06-22 | 衡阳市金一帆制药设备实业有限公司 | Sealing structure of motor sterilizer door |
-
2011
- 2011-09-19 CN CN201110278387.3A patent/CN102302792B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4228914A (en) * | 1978-03-01 | 1980-10-21 | Sanderson Roger S | Sterilized storage container |
| CN2547958Y (en) * | 2000-12-01 | 2003-04-30 | 上海温兴生物工程有限公司 | Sealing device for pressure vessel |
| CN101306204A (en) * | 2007-05-20 | 2008-11-19 | 张家港海锅重型锻件有限公司 | Door sealing device |
| CN201862006U (en) * | 2010-09-17 | 2011-06-15 | 山东新华医疗器械股份有限公司 | Door sealing and pneumatic control device for sterilizer |
| CN201870994U (en) * | 2010-11-30 | 2011-06-22 | 衡阳市金一帆制药设备实业有限公司 | Sealing structure of motor sterilizer door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039334A (en) * | 2016-06-30 | 2016-10-26 | 张家港华菱医疗设备股份公司 | Pre-filling needle sterilizer and sterilizing method thereof |
| CN106039334B (en) * | 2016-06-30 | 2019-03-01 | 张家港华菱医疗设备股份公司 | Inoculated needle sterilizer and its sterilizing methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102302792B (en) | 2014-07-23 |
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