CN205713543U - A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser - Google Patents
A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser Download PDFInfo
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- CN205713543U CN205713543U CN201620349942.5U CN201620349942U CN205713543U CN 205713543 U CN205713543 U CN 205713543U CN 201620349942 U CN201620349942 U CN 201620349942U CN 205713543 U CN205713543 U CN 205713543U
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- hermatic door
- pressure vessel
- tie down
- screw
- door
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 125000003003 spiro group Chemical group 0.000 claims abstract description 12
- 238000005457 optimization Methods 0.000 claims abstract description 5
- 239000012634 fragment Substances 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
This utility model relates to a kind of hermatic door automatic locking mechanism of pressure vessel in steriliser, including sterilizer body and hermatic door, being provided with the opening pressure vessel towards hermatic door in sterilizer body, hermatic door is provided with the sealing lid coordinated with pressure vessel opening end；Tie down screw, screw spring, spiro driving device, frizzen, frizzen back-moving spring, the first triggering switch, the second triggering switch and panel it is additionally provided with in sterilizer body, during moving in frizzen, first triggers switch is touched and triggers panel control spiro driving device startup optimization, during moving outside tie down screw, it is out of service that the second triggering switch is touched and triggers panel control spiro driving device；Be additionally provided with on hermatic door for support frizzen support block and for tie down screw lock friction tight locking nut.This hermatic door automatic locking mechanism is easy and simple to handle, only need to be closed by hermatic door and can trigger retaining mechanism automatically by hermatic door locking, and reliable lock.
Description
Technical field
This utility model relates to steriliser technical field, especially relates to a kind of for going out
The hermatic door automatic locking mechanism of pressure vessel in bacterium device.
Background technology
It is currently used for the sealing door lock mechanism of pressure vessel in steriliser and is divided into mechanical type door
Latch mechanism and Electronic control formula door lock mechanism two kinds.Wherein, mechanical door lock mechanism is big
There is structure defect complicated, unhandy more, but also also exist simultaneously and work as sterilizing
In device pressure vessel be in vacuum and high pressure state lower seal door can by artificial the most easily
The deficiency opened, now opens hermatic door, the high steam in pressure vessel and high temperature
Water can outwards spray, and causes operator to be easily burned, the most extremely dangerous.Electricity
Although dynamic control formula door lock mechanism overcomes the some shortcomings of mechanical door lock mechanism, but
It also exists when meeting power failure or other emergency situations, the hermatic door on pressure vessel
The defect that cannot be opened, and existing Electronic control formula door lock mechanism structure is complicated,
Relatively costly.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, it is provided that one
Plant simple in construction, easy to operate, reliable lock, safety height, production cost are low,
And have the hermatic door automatic locking mechanism of electronic unblock and manual unlocking function concurrently.
The purpose of this utility model is achieved by the following technical programs:
A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser, including
Sterilizer body and hermatic door, be provided with opening towards hermatic door in described sterilizer body
Pressure vessel, described hermatic door is provided with and coordinates with described pressure vessel opening end
Seal lid；Tie down screw, screw spring, screw rod it is additionally provided with in described sterilizer body
Driving means, frizzen, frizzen back-moving spring, first trigger switch, second touch
Sending out switch and panel, wherein, described tie down screw and frizzen all can be inside and outside mobile,
During moving in described frizzen, described first triggers switch is touched and triggers described
Panel controls described spiro driving device startup optimization, and then drives described locking screw
Moving outside bar, during moving outside described tie down screw, described second triggers switch is touched
And it is out of service to trigger the described panel described spiro driving device of control；Described sealing
Be additionally provided with on door for support described frizzen be allowed to interior shifting support block and for institute
State tie down screw and lock friction tight locking nut.
Further, the front end of described tie down screw and frizzen all exposes to steriliser
The front end face of body.
Further, the front end of described tie down screw is provided with a guide portion, described locking
Nut is radially movably disposed on hermatic door.
Further, the front end face of described tie down screw offers inner hexagonal hole, institute
State the position of corresponding locking nut on hermatic door outer surface and offer one for for interior hexagonal
Spanner inserts the socket of described inner hexagonal hole, and described socket is covered by a cover plate.
Further, described sterilizer body is provided with a mechanical pressure switch, institute
The pressure transducer stating mechanical pressure switch one end and be arranged on described pressure vessel
Being electrically connected with, the other end is electrically connected with described panel.
Further, described spiro driving device includes that motor and motor are installed as one
The reduction box of body and reduction gearbox output shaft, the rear end of described tie down screw and reduction box
Output shaft is fixing to be connected；Described sterilizer body is provided with screw rod location bearing and is positioned at
Screw rod positioning seat inside the bearing of screw rod location, it is fixed that described tie down screw is sleeved on screw rod
In the hole, location of position bearing and screw rod positioning seat, described tie down screw is fixed with screw rod
Location nut, described screw spring is set in tie down screw, and screw spring one end with
Bearing gear on the bearing of screw rod location is supported mutually, and the other end positions spiral shell with being arranged on screw rod
Spring pad on mother is supported mutually, and described screw rod location nut inner surface is provided with soft pad
Sheet.
Further, described sterilizer body is provided with and is positioned at inside screw rod positioning seat
Motor fixing seat, described motor fixing seat is provided with several sliding sleeve, described reduction box
On be provided with several slide bar, described slide bar stretches in sliding sleeve and can shifting inside and outside sliding sleeve relatively
Dynamic.
Further, described hermatic door is provided with a beam, and described door beam offers lock
Jack panel installing hole, described locking nut one end is through locking nut installing hole and exposes
In the inner surface of hermatic door, other end backstop in the Men Liang back side and is fixed by lock pin,
The endoporus of described locking nut traversing through end is provided with screw thread, described locking nut traversing through end
Outer cover equipped with spring.
Further, hermatic door rotating shaft and sterilizer body are passed through in described hermatic door one end
Hinged, the other end is free-open-close end, and described Men Liang is slidably disposed on hermatic door
On, described Men Liang one end is hinged with sterilizer body by door beam rotating shaft, described door beam
The other end is provided with described locking nut and described block of supporting, described door beam rotating shaft and sealing
Door pivot is the most on the same axis.
Further, described first triggering switch and second triggers switch and is disposed as bullet
Chip microswitch, described frizzen is provided with and coordinates with the first shell fragment triggering switch
And the groove of band lead-in chamfered, described reduction box is provided with for triggering switch with second
Shell fragment touch to touch support block.
Compared with prior art, this utility model has the advantage that
1) this hermatic door automatic locking mechanism is easy and simple to handle, when locking a door, only need to will seal
Door closes and can trigger retaining mechanism automatically by hermatic door locking, and reliable lock,
Hermatic door is difficult to artificially be opened by mistake open.
2) have electronic unblock and manual unlocking function concurrently, during normal release, only need to press
Solution lock-switch on machine, can make retaining mechanism pass through circuit control mode and automatically solve
Except locking, and when meet power failure or other factors cause can not by solve lock-switch carry out
During unblock, then inner hexagon spanner can be utilized to carry out manual unlocking, thus be convenient for people to
Use.
3) it is provided with mechanical pressure switch, when mechanical pressure switch detects steriliser
When the air pressure of middle pressure vessel is more than setting value, though the electronic unblock pressed on machine
Switch, on hermatic door, retaining mechanism also will not be opened, such that it is able to avoid hermatic door
The personnel caused because being opened accidentally scald phenomenon, it is ensured that the safety of use.This
Time, even if wanting to carry out manual unlocking by inner hexagon spanner, it should also at pressure vessel
Inner high voltage steam is let out and is carried out after removing.
4) this hermatic door automatic locking mechanism is simple and reasonable for structure, and production cost is low,
Be conducive to producing in enormous quantities.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of this utility model hermatic door automatic locking mechanism, in figure, seals
Door is in open mode, and sterilizer body has been diagrammatically only by a part of structure；
Fig. 2 is the schematic diagram after hermatic door automatic locking mechanism clipped structure shown in Fig. 1；
Fig. 3 is the schematic side view of this utility model hermatic door automatic locking mechanism；
Fig. 4 is tie down screw and the structural representation of driving means part thereof in this utility model；
Fig. 5 is the structural representation of tie down screw；
Fig. 6 is the left view schematic diagram of Fig. 5；
Fig. 7 is the front schematic view of hermatic door in this utility model；
Fig. 8 is the enlarged diagram in Fig. 7 at B；
Fig. 9 is the schematic top plan view of a fine strain of millet and upper member thereof；
Figure 10 is the enlarged diagram in Fig. 9 at A.
Detailed description of the invention
This utility model is made the most specifically by the embodiment be given below in conjunction with the accompanying drawings
Bright.
As shown in Figures 1 to 10, a kind of hermatic door of pressure vessel in steriliser
Automatic locking mechanism, including sterilizer body 1 and hermatic door 2, sterilizer body 1
In be provided with the opening pressure vessel 3 towards hermatic door 2, hermatic door 2 is provided with and presses
The sealing lid 4 that force container 3 opening coordinates, it is preferred that sealing lid 4 can radially live
Dynamic setting, is so conveniently adjusted the sealing sealed between lid 4 and pressure vessel 3 and coordinates,
Make up to optimal sealing state.
Tie down screw 5, screw spring 6, screw drive it is additionally provided with in sterilizer body 1
Device 7, frizzen 8, frizzen back-moving spring 9, first trigger switch 10, second
Trigger switch 11 and panel, wherein, outside the front end of tie down screw 5 and frizzen 8
It is exposed to the front end face of sterilizer body 1, and both can be inside and outside mobile, frizzen 8
During interior shifting, the first triggering switch 10 is touched and triggers panel control screw rod and drives
Dynamic device 7 startup optimization, and then drive the outer shifting of tie down screw 5, outside tie down screw 5
During shifting, second triggers switch 11 is touched and triggers panel control screw drive
Device 7 is out of service.It is additionally provided with on hermatic door 2 for supporting in frizzen 8 is allowed to
That moves supports block 12 and for locking friction tight locking nut 13 with tie down screw 5.
The front end of tie down screw 5 is provided with a guide portion 51, and this guide portion 51 can be drawn
Lead tie down screw 5 enter locking nut 13 endoporus smoothly and lock therewith.Tie down screw
An inner hexagonal hole 52 is offered, corresponding lock on hermatic door 2 outer surface on the front end face of 5
The position of jack panel 13 offers one for inserting described inner hexagonal hole for inner hexagon spanner
The socket 2a of 52, is covered by a cover plate 2b when this socket 2a is flat, in order to avoid dust enters
Enter.When hermatic door be in locking state need manual unlocking time, operator can beat
Uncap plate 2b, then utilizes inner hexagon spanner to be inserted through locking screw from socket 2a
Female 13 coordinate with the inner hexagonal hole 52 of tie down screw 5 front end face, then rotate interior six
Angle spanner makes tie down screw 5 depart from locking nut 13, and then realizes hermatic door locking machine
The unblock of structure.
Locking nut 13 is radially movably disposed on hermatic door 2, and so design can
To ensure that tie down screw 5 can insert lock like clockwork when doing locking action every time
Jack panel 13.Preferably, the movable structure of the radial direction of locking nut 13 is specific as follows:
Hermatic door 2 is provided with a beam 15, and door beam 15 offers locking nut installing hole 151,
Locking nut 13 one end is through locking nut installing hole 151 and exposes to hermatic door 2
Inner surface, other end backstop fixes in door beam 15 back side and by lock pin 16, lock
The endoporus of jack panel 13 traversing through end is provided with screw thread, outside locking nut 13 traversing through end
Portion is set with spring 17.
Hermatic door 2 one end is by hermatic door rotating shaft (not illustrating in figure) with steriliser originally
Body 1 is hinged, and the other end is free-open-close end, and door beam 15 is slidably disposed on sealing
On door 2, door beam 15 one end is hinged with sterilizer body 1 by door beam rotating shaft 18,
Door beam 15 other end is provided with locking nut 13 and supports block 12, door beam rotating shaft 18 with
Hermatic door rotating shaft the most on the same axis, so designs after hermatic door 2 can be made to cover,
Hinged end does not haves bigger gap, can improve the aesthetic property of product, can prevent again
Stop the entrance of the foreign bodies such as dust.
Being provided with a mechanical pressure switch 19 in sterilizer body 1, mechanical compression is opened
The pressure transducer closing 19 one end and be arranged on pressure vessel 3 is electrically connected with, another
End is electrically connected with panel.Press when mechanical pressure switch 19 detects in steriliser
When the air pressure of force container is more than setting value (such as ＞ 0.1bar), then by panel control
Spiro driving device 7 processed is in off-position, even if now press on machine preset
The solution lock-switch being electrically connected with spiro driving device 7, on hermatic door, retaining mechanism is also
Will not be opened.
Preferably, spiro driving device 7 includes that motor 71 is installed as with motor 71
One reduction box 72 and reduction gearbox output shaft 721, the rear end of tie down screw 5 with
Reduction gearbox output shaft 721 is fixed together by lock pin 20.
Sterilizer body 1 is provided with screw rod location bearing 21 and is positioned at screw rod location bearing
Screw rod positioning seat 22 inside 21, tie down screw 5 is sleeved on screw rod location bearing 21
With in the hole, location of screw rod positioning seat 22, tie down screw 5 is fixed with screw rod location spiral shell
Female 23, screw spring 6 is set in tie down screw 5, and screw spring 6 one end and spiral shell
Bearing on the bearing 21 of bar location keeps off 24 phases and supports, and the other end is determined with being arranged on screw rod
Spring pad 25 phase on the nut 23 of position is supported, and screw rod location nut 23 inner surface sets
There is soft pad 26.In this structure, the effect of screw spring 6 is when tie down screw 5
Certain resistance is provided during rotation direction locking nut 13, makes tie down screw 5 and locking nut
Locking between 13 coordinates more solid and reliable, can also unlock at tie down screw simultaneously
Time certain auxiliary force is provided.Soft pad 26 is possible to prevent tie down screw 5 to unlock back
During position, on it, nut 23 surface, screw rod location is bruised.
Sterilizer body 1 is provided with the motor fixing seat being positioned at inside screw rod positioning seat 22
27, motor fixing seat 27 is provided with several sliding sleeve 271, reduction box 72 is arranged
In having several slide bar 722, each slide bar 722 to stretch into sliding sleeve 271 and can sliding sleeve 271 relatively
Inside and outside mobile.This structure makes motor 71 and the reduction box 72 can be with tie down screw 5
Move and move, but will not rotate with the rotation of tie down screw 5.
Preferably, the first triggering switch 10 and the second triggering switch 11 are disposed as bullet
Chip microswitch, frizzen 8 is provided with and coordinates with the first shell fragment triggering switch 10
And the groove 81 of band lead-in chamfered, reduction box 72 is provided with for opening with the second triggering
Close 11 shell fragment touch to touch support block.
Described in the present embodiment, the operation principle of hermatic door automatic locking mechanism is as follows:
When locking a door, close hermatic door 2, and frizzen 8 supports supporting of block 12 at Men Liangshang
Move under top and also touch the first triggering switch 10, and then trigger panel control motor 71
Startup optimization, motor 71 drives tie down screw 5 to rotate also after reduction box 72 slows down
Screwing in locking nut 13, now, motor 71 and reduction box 72 are all along with tie down screw
The outer shifting of 5 and be displaced outwardly, when tie down screw 5 is locked completely with locking nut 13,
Touching on reduction box 72 is supported block and is just touched the second triggering switch 11, and then triggers control
It is out of service that making sheet controls motor 71, makes tie down screw 5 stop operating and keeps and lock
The locking state of jack panel 13, thus realize the auto lock of hermatic door.
During electronic unblock, press the solution lock-switch preset on machine, make motor 71 invert,
And then allow tie down screw 5 screw out locking nut 13 can the locking of depressurization door.?
During this, frizzen 8 is repositioned to initially under the effect of frizzen back-moving spring 9
Position, and in return way, first triggers switch 10 is touched again, and then touches
Send out panel control motor 71 out of service.
During manual unlocking, inner hexagon spanner the most only need to be utilized to insert from the socket 2a of hermatic door
Enter the inner hexagonal hole 52 of tie down screw 5 front end face, then tie down screw 5 is screwed out lock
Jack panel 13.
As described above, preferred embodiment the most of the present utility model, when can not
The scope that this utility model is implemented is limited with this, generally the most special according to this utility model application
The simple equivalence that profit scope and utility model description are made changes and modifies, all
Still belong in the range of this utility model patent contains.
Claims (10)
1. a hermatic door automatic locking mechanism for pressure vessel in steriliser, bag
Include sterilizer body and hermatic door, described sterilizer body is provided with opening towards sealing
The pressure vessel of door, described hermatic door is provided with and coordinates with described pressure vessel opening end
Sealing lid；It is characterized in that: be additionally provided with in described sterilizer body tie down screw,
Screw spring, spiro driving device, frizzen, frizzen back-moving spring, first touch
Send out switch, the second triggering switch and panel, wherein, described tie down screw and triggering
Bar all can be inside and outside mobile, and during moving in described frizzen, described first triggers switch
It is touched and triggers described panel and control described spiro driving device startup optimization, enter
And drive and move outside described tie down screw, during moving outside described tie down screw, described the
Two triggering switches are touched and trigger the described panel described spiro driving device of control and stop
Only run；It is additionally provided with on described hermatic door and is allowed to interior shifting for supporting described frizzen
Support block and for locking friction tight locking nut with described tie down screw.
A kind of sealing of pressure vessel in steriliser
Door automatic locking mechanism, it is characterised in that: described tie down screw and the front end of frizzen
All expose to the front end face of sterilizer body.
A kind of sealing of pressure vessel in steriliser
Door automatic locking mechanism, it is characterised in that: the front end of described tie down screw is provided with one and draws
Leading portion, described locking nut is radially movably disposed on hermatic door.
A kind of sealing of pressure vessel in steriliser
Door automatic locking mechanism, it is characterised in that: offer on the front end face of described tie down screw
Having inner hexagonal hole, on described hermatic door outer surface, the position of corresponding locking nut offers
One for inserting the socket of described inner hexagonal hole for inner hexagon spanner, and described socket is by one
Cover plate covers.
A kind of sealing of pressure vessel in steriliser
Door automatic locking mechanism, it is characterised in that: described sterilizer body is provided with a machinery
Formula pressure switch, described mechanical pressure switch one end be arranged on described pressure vessel
On pressure transducer be electrically connected with, the other end and described panel are electrically connected with.
6. according to a kind of for steriliser described in claim 1 or 2 or 3 or 4 or 5
The hermatic door automatic locking mechanism of middle pressure vessel, it is characterised in that: described screw rod drives
Dynamic device includes that motor and motor are installed as reduction box and the reduction box output of one
Axle, the rear end of described tie down screw is fixing with reduction gearbox output shaft to be connected；Described sterilizing
It is fixed with the screw rod being positioned at inside the bearing of screw rod location that device body is provided with screw rod location bearing
Position seat, described tie down screw is sleeved on screw rod location bearing and the location of screw rod positioning seat
In hole, described tie down screw is fixed with screw rod location nut, described screw spring set
It is loaded on tie down screw, and screw spring one end and screw rod position the bearing gear phase on bearing
Supporting, the other end is supported mutually with the spring pad being arranged on the nut of screw rod location, described
Screw rod location nut inner surface is provided with soft pad.
A kind of sealing of pressure vessel in steriliser
Door automatic locking mechanism, it is characterised in that: described sterilizer body is provided with and is positioned at spiral shell
Motor fixing seat inside bar positioning seat, described motor fixing seat is provided with several cunning
Set, described reduction box is provided with several slide bar, and described slide bar stretches in sliding sleeve and can
Move inside and outside sliding sleeve.
8. according to a kind of for steriliser described in claim 1 or 2 or 3 or 4 or 5
The hermatic door automatic locking mechanism of middle pressure vessel, it is characterised in that: described hermatic door
It is provided with a beam, described door beam offers locking nut installing hole, described locking screw
Female one end passes locking nut installing hole and exposes to the inner surface of hermatic door, the other end
Backstop in the Men Liang back side and is fixed by lock pin, the endoporus of described locking nut traversing through end
In be provided with screw thread, the outer cover of described locking nut traversing through end is equipped with spring.
A kind of sealing of pressure vessel in steriliser
Door automatic locking mechanism, it is characterised in that: described hermatic door one end is turned by hermatic door
Axle is hinged with sterilizer body, and the other end is free-open-close end, and described Men Liang is slidably
Be arranged on hermatic door, described Men Liang one end pass through door beam rotating shaft and sterilizer body
Hinged, the described door beam other end is provided with described locking nut and described block of supporting, described
Door beam rotating shaft is with hermatic door rotating shaft the most on the same axis.
A kind of pressure vessel close in steriliser
Seal up a door automatic locking mechanism, it is characterised in that: described first triggers switch and second touches
Sending out switch and be disposed as spring plate microswitch, described frizzen is provided with and touches with first
The shell fragment sending out switch coordinates and the groove of band lead-in chamfered, and described reduction box is provided with use
In with second trigger switch shell fragment touch to touch support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620349942.5U CN205713543U (en) | 2016-04-14 | 2016-04-14 | A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620349942.5U CN205713543U (en) | 2016-04-14 | 2016-04-14 | A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205713543U true CN205713543U (en) | 2016-11-23 |
Family
ID=57296041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620349942.5U Active CN205713543U (en) | 2016-04-14 | 2016-04-14 | A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205713543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057564A (en) * | 2018-07-31 | 2018-12-21 | 深圳市安思科电子科技有限公司 | A kind of highly-safe smart lock with defencive function |
| CN115182648A (en) * | 2022-06-23 | 2022-10-14 | 东方菱日锅炉有限公司 | Steam pocket manhole door closing tool capable of being automatically positioned |
-
2016
- 2016-04-14 CN CN201620349942.5U patent/CN205713543U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057564A (en) * | 2018-07-31 | 2018-12-21 | 深圳市安思科电子科技有限公司 | A kind of highly-safe smart lock with defencive function |
| CN109057564B (en) * | 2018-07-31 | 2020-07-31 | 杭州富阳通讯塑料厂 | High intelligent lock of security with protect function |
| CN115182648A (en) * | 2022-06-23 | 2022-10-14 | 东方菱日锅炉有限公司 | Steam pocket manhole door closing tool capable of being automatically positioned |
| CN115182648B (en) * | 2022-06-23 | 2024-04-30 | 东方菱日锅炉有限公司 | Automatic positioning closing tool for manhole door of steam drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170706 Address after: 321000 Zhejiang city of Jinhua province Wuyi County Town Gold Mountain Industrial Zone (Zhejiang sharp tools manufacturing Co. Ltd. in third) Patentee after: Zhejiang Cade Medical Instrument Co., Ltd. Address before: 321000 Zhejiang city of Jinhua province Wuyi County Stephen King Mountain Industrial Zone Gold Cross Town Road No. 6 Patentee before: Fan Tianrong |
|
| TR01 | Transfer of patent right |