CN103382797B - desktop sterilizer air control door lock - Google Patents

desktop sterilizer air control door lock Download PDF

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Publication number
CN103382797B
CN103382797B CN201310294826.9A CN201310294826A CN103382797B CN 103382797 B CN103382797 B CN 103382797B CN 201310294826 A CN201310294826 A CN 201310294826A CN 103382797 B CN103382797 B CN 103382797B
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CN
China
Prior art keywords
door lock
pivot
door
snap close
sterilising chamber
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.)
Expired - Fee Related
Application number
CN201310294826.9A
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Chinese (zh)
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CN103382797A (en
Inventor
陈润庭
李剑聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN JOINCHAMP MEDICAL DEVICE Co Ltd
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FOSHAN JOINCHAMP MEDICAL DEVICE Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FOSHAN JOINCHAMP MEDICAL DEVICE Co Ltd filed Critical FOSHAN JOINCHAMP MEDICAL DEVICE Co Ltd
Priority to CN201310294826.9A priority Critical patent/CN103382797B/en
Publication of CN103382797A publication Critical patent/CN103382797A/en
Application granted granted Critical
Publication of CN103382797B publication Critical patent/CN103382797B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

<b>the open a kind of desktop sterilizer air control door lock of the present invention, comprises the door lock mechanism and gas control mechanism that cooperatively interact, and door lock mechanism is provided with pivot, male snap close, female snap close and retainer, it may be achieved the opening and closing of sterilising chamber's door; Gas control mechanism is provided with the cavity and piston rod that are connected with inside, sterilising chamber, and piston rod can match with retainer to realize the control to sterilising chamber's door opening and closing. When desktop sterilizer air control door lock of the present invention has positive air pressure in sterilising chamber, stretch out gas tank by piston rod and stop pivot, thus prevent sterilising chamber's door to be opened in normal operation; When sterilizing room pressure is zero or during for negative value, piston rod retraction gas tank, and allow the rotation that pivot can be without hindrance, and then sterilising chamber's door can be opened, it is ensured that the safety in utilization of this desk-top sterilizer.</b>

Description

Desktop sterilizer air control door lock
Technical field
The present invention relates to the door lock controlling organization of desk-top sterilizer, particularly relate to a kind of desktop sterilizer air control door lock.
Background technology
Desk-top pressure steam sterilizer is to airtight sterilising chamber's injecting steam by vapour generator so that it is produce certain temperature and pressure, then carries out various operation experiments in this airtight space. When Sterilizers normal operation, if opened by sterilising chamber's door due to the error of operator, the personnel of surrounding are likely produced danger by the high temperature and high pressure gas of its inside. In order to operator's mishandle when there is pressure sterilising chamber can not be opened by door, some producers adopt the principle of automatically controlled bolt, when Sterilizers startup work, door handle is fastened, door can not be opened by operator, when namely having air pressure in sterilising chamber, sterilising chamber's door is stubbornly refused to open by lock.
But in use, it has been found that there is a defect in the prior art, when being exactly in use have a power failure suddenly, goalkeeper cannot open, and namely once run into power failure, sterilising chamber's door is just dead by lock, wants to open and does not also open, brings very big trouble to user.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide one safely, facilitate platform-type Sterilizers gas control door lock, when this door lock mechanism has air pressure in sterilising chamber, sterilising chamber's door is locked and can not open; When sterilizing room pressure is zero or during negative value, sterilising chamber's door can conveniently be opened.
For achieving the above object, the present invention adopts following technical scheme:
A kind of desktop sterilizer air control door lock, comprising:
Door lock mechanism, the male snap close comprise a pivot, being fixed on pivot and retainer and a female snap close matched with male snap close;
Gas control mechanism, comprises a gas tank, and this gas tank inside has a cavity, is provided with a piston in cavity, and this piston has piston rod, and described cavity is connected with inside, sterilising chamber;
Wherein, when there being positive air pressure in sterilising chamber, the air pressure in gas tank promotes piston driving piston rod to stretch out gas tank, and external part is blocked on the rotation path of retainer, thus sterilising chamber's door can not be opened; When sterilizing room pressure is zero or during for negative value, external pressure promotes piston driving piston rod retraction gas tank, rotation pivot, thus make sterilising chamber's door open.
Further, described door lock mechanism also comprises a door lock retaining plate, and this door lock retaining plate is fixed on sterilising chamber's door, and described pivot is articulated on door lock retaining plate.
Further, the described public U-shaped bulk of snap close, is fixed in the middle part of pivot, and the side of this door lock retaining plate is correspondingly provided with dodges breach for public snap close activity; Described female snap close comprises two parallel up and down stripe board and the lock post being fixed between this two stripe board, and the public snap close of U-shaped bulk can be fastened on lock post, thus realizes the function of locking.
Further, described retainer is fixed on pivot bottom, has sheet form base, and one end, base portion is bent to form gear sheet downwards, and this gear sheet centre offers a perforation; The external part of described piston rod can stretch in this perforation, thus can by sterilising chamber's door locked.
Further, described door lock mechanism also comprises a spring, and this spring is sheathed on pivot top, and spring one end is fixed on door lock retaining plate, and the other end is fixed on pivot, for providing the turning force of pivot.
Further, described pivot bottom is also fixed with a door handle, puts forth effort parts for staff during rotation pivot.
As mentioned above, it is necessary, when desktop sterilizer air control door lock of the present invention has positive air pressure in sterilising chamber, stretch out gas tank by piston rod and stop pivot, thus prevent sterilising chamber's door to be opened in normal operation; When sterilizing room pressure is zero or during for negative value, piston rod retraction gas tank, and allow the rotation that pivot can be without hindrance, and then sterilising chamber's door can be opened, it is ensured that the safety in utilization of this desk-top sterilizer.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the door lock mechanism of desktop sterilizer air control door lock of the present invention;
Fig. 2 is the schematic diagram of gas control mechanism of the present invention.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
Refer to Fig. 1 and Fig. 2, present invention is disclosed a kind of desktop sterilizer air control door lock, comprise the door lock mechanism and gas control mechanism that cooperatively interact.
Described door lock mechanism comprises a pivot 10, be fixed on pivot 10 male snap close 20 and retainer 40 and a female snap close 30 matched with male snap close 20.
Described gas control mechanism comprises a gas tank 50, and this gas tank 50 inside has a cavity 51, is provided with a piston 60 in cavity 51, this piston 60 has piston rod 61, specifically, between piston 60 and cavity 51 inwall, a return spring 62 also it is provided with, for the screen resilience providing piston 60 to retract gas tank 50; Described cavity 51 is connected with inside, sterilising chamber by an inlet mouth 52, and therefore in cavity 51, air pressure remains consistent with sterilising chamber's air pressure inside.
Specifically, described door lock mechanism also comprises a door lock retaining plate 70, and this door lock retaining plate 70 is fixed on sterilising chamber's door, and described pivot 10 is articulated in the side of door lock retaining plate 70.
The described public U-shaped bulk of snap close 20, is fixed in the middle part of pivot 10, and the side of this door lock retaining plate 70 is correspondingly provided with dodges breach 71 for public snap close 20 activity; Described female snap close 30 and male snap close 20 cooperatively interact setting, this mother's snap close 30 comprises two parallel up and down stripe board 31 and the lock post 32 being fixed between this two stripe board 31, rotation pivot 10, can make the public snap close 20 of U-shaped bulk be fastened on lock post 32 thus realize the function of sterilising chamber's door locking.
Described retainer 40 is fixed on pivot 10 bottom, and it has sheet form base, and one end, base portion is bent to form gear sheet 41 downwards, and this gear sheet 41 centre offers a perforation 42, and the size of perforation 42 is mated mutually with the size of described piston rod; When sterilising chamber's door is closed, the perforation 42 of this gear sheet 41 is just to the external part of described piston rod.
Described door lock mechanism also comprises a spring 80, and this spring 80 is sheathed on pivot 10 top, and spring 80 one end is fixed on door lock retaining plate 70, and the other end is fixed on pivot 10, for providing the turning force of pivot 10; This spring 80 is for keeping the fixing of the position of pivot 10 when not having external force effect, and namely when each rotation pivot 10, the elastic force all needing to overcome spring 80 could rotation pivot 10.
Described pivot 10 bottom is also fixed with a door handle 90, puts forth effort parts for staff during rotation pivot 10.
Wherein, when there being positive air pressure in sterilising chamber, the air pressure in gas tank 50 promotes piston 60 and then drives piston rod 61 to stretch out gas tank 50, the perforation 42 of external part insertion gear sheet 41, thus the position of retainer 40 is fixed, thus pivot 10 can not be rotated, and then sterilising chamber's door can not be opened; When sterilizing room pressure is zero or during for negative value, external pressure promotes piston 60 to drive piston rod 61 to retract gas tank 50, and the external part of piston rod 61 exits perforation 42, now, rotation pivot 10, thus sterilising chamber's door can be opened.
In sum, when desktop sterilizer air control door lock of the present invention has positive air pressure in sterilising chamber, stretch out gas tank 50 by piston rod 61 and stop that pivot 10 rotates, thus prevent sterilising chamber's door to be opened in normal operation; When sterilizing room pressure is zero or during for negative value, piston rod 61 is retracted gas tank 50, and allow the rotation that pivot 10 can be without hindrance, and then sterilising chamber's door can be opened, it is ensured that the safety in utilization of this desk-top sterilizer.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and these all changes and deformation all should belong within the protection domain of the claims in the present invention.

Claims (3)

1. a desktop sterilizer air control door lock, it is characterised in that, comprising:
Door lock mechanism, comprise a door lock retaining plate, pivot, the male snap close being fixed on pivot and retainer and a female snap close matched with male snap close, door lock retaining plate is fixed on sterilising chamber's door, pivot is articulated on door lock retaining plate, the public U-shaped bulk of snap close, the middle part of this U-shaped block public snap close is fixed in the middle part of pivot, the side of this door lock retaining plate is correspondingly provided with dodges breach for public snap close activity, female snap close comprises two parallel up and down stripe board and the lock post being fixed between this two stripe board, and the public snap close of U-shaped bulk can be fastened on lock post; Described door lock mechanism also comprises a spring, and this spring is sheathed on pivot top, and spring one end is fixed on door lock retaining plate, and the other end is fixed on pivot;
Gas control mechanism, comprises a gas tank, and this gas tank inside has a cavity, is provided with a piston in cavity, and this piston has piston rod, and described cavity is connected with inside, sterilising chamber;
Wherein, when there being positive air pressure in sterilising chamber, the air pressure in gas tank promotes piston driving piston rod to stretch out gas tank, and external part is blocked on the rotation path of retainer, thus sterilising chamber's door can not be opened; When sterilizing room pressure is zero or during for negative value, external pressure promotes piston driving piston rod retraction gas tank, rotation pivot, thus make sterilising chamber's door open.
2. desktop sterilizer air control door lock as claimed in claim 1, it is characterised in that, described retainer is fixed on pivot bottom, has sheet form base, and one end, base portion is bent to form gear sheet downwards, and this gear sheet centre offers a perforation; The external part of described piston rod can stretch in this perforation.
3. desktop sterilizer air control door lock as claimed in claim 1 or 2, it is characterised in that, described pivot bottom is also fixed with a door handle.
CN201310294826.9A 2013-07-12 2013-07-12 desktop sterilizer air control door lock Expired - Fee Related CN103382797B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310294826.9A CN103382797B (en) 2013-07-12 2013-07-12 desktop sterilizer air control door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310294826.9A CN103382797B (en) 2013-07-12 2013-07-12 desktop sterilizer air control door lock

Publications (2)

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CN103382797A CN103382797A (en) 2013-11-06
CN103382797B true CN103382797B (en) 2016-06-08

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108378691B (en) * 2018-03-01 2020-11-20 六安永贞匠道机电科技有限公司 High-pressure anti-opening safety steaming cabinet
CN108703082A (en) * 2018-05-29 2018-10-26 冯金丽 A kind of automation pet drying machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH696273A5 (en) * 2001-05-18 2007-03-15 Lehmann Vertriebsgmbh Method and apparatus for closing a furniture-hinged door.
CN101220716A (en) * 2007-01-10 2008-07-16 范天荣 Sealing door lock mechanism for pressure container
CN201835635U (en) * 2010-09-29 2011-05-18 宁波市鄞州协成医疗器械有限公司 Door lock of pressure steam sterilizer
CN202767668U (en) * 2012-08-31 2013-03-06 济南晨生医用硅橡胶制品有限公司 Door lock for small sterilizer for medical instruments

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH696273A5 (en) * 2001-05-18 2007-03-15 Lehmann Vertriebsgmbh Method and apparatus for closing a furniture-hinged door.
CN101220716A (en) * 2007-01-10 2008-07-16 范天荣 Sealing door lock mechanism for pressure container
CN201835635U (en) * 2010-09-29 2011-05-18 宁波市鄞州协成医疗器械有限公司 Door lock of pressure steam sterilizer
CN202767668U (en) * 2012-08-31 2013-03-06 济南晨生医用硅橡胶制品有限公司 Door lock for small sterilizer for medical instruments

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