CN209249096U - A kind of double-canopy sealing mechanism - Google Patents
A kind of double-canopy sealing mechanism Download PDFInfo
- Publication number
- CN209249096U CN209249096U CN201821539369.XU CN201821539369U CN209249096U CN 209249096 U CN209249096 U CN 209249096U CN 201821539369 U CN201821539369 U CN 201821539369U CN 209249096 U CN209249096 U CN 209249096U
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- Prior art keywords
- bung
- shielding
- airtight
- bucket
- transhipment
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- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000032258 transport Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 7
- 238000003032 molecular docking Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a kind of double-canopy sealing mechanisms, belong to sealing device technical field.When shielding bucket and shielding bung locking, it is in the unlocked state between airtight transhipment bung and shielding bung, the breather valve of the exhaust valve and airtight transferring barrel lid that shield bung automatically turns on, it shields at this time and forms shielding isolator inner cavity between bung and airtight transferring barrel lid and shielding bucket inner casing, it is connected to airtight transferring barrel with shielding barrel cavity, ensure that air pressure is consistent with air pressure in shielding bucket in airtight transferring barrel, complete airtight transhipment bung open and close movement can swimmingly；After airtight transhipment bung and shielding bung locking, the breather valve of the exhaust valve and airtight transferring barrel lid that shield bung is automatically closed, it is ensured that shielding bucket and each self-sustaining airtight conditions of airtight transferring barrel.
Description
Technical field
The utility model relates to a kind of double-canopy sealing mechanisms, belong to sealing device technical field.
Background technique
In existing double-canopy sealing technique, state knows that application No. is 201210356649.8 patent application texts disclosed in office
Part " a kind of double-canopy sealing device of multi-point locking ", the date of publication of the patent application document are on January 16th, 2013, the Shen
Relate to a kind of double-canopy sealing device of multi-point locking, which includes upper door component, lower door component and specific purpose tool, described
Upper and lower door component includes a round door-plate, gate seat, more cover lockings and tripper, wherein the door-plate is arranged in door
In seat, more cover lockings and tripper are evenly arranged around door-plate center, the door Hinge lower end of upper door locking and tripper
Fluting, door Hinge passes through lower door-plate and lower door locking and the lock shaft of tripper cooperates, and the connection of lock shaft lower end is rotated jointly with lock shaft
Snap-gauge, lock shaft is rotated by specific purpose tool, makes snap-gauge precession or screws out the slot on lower gate seat, realizes lower gate seat and lower door-plate
Separation；It connect door Hinge with lower door-plate simultaneously, realizes the engagement of door-plate up and down, guarantee the sealed reliable under any state, really
It protects radgas and does not enter personnel's operating area.
But above-mentioned sealing device is easy to cause air pressure change in closed container, causes influence open and close movement smoothly complete
At even resulting in bung can not be closed in place, and radgas in bucket is caused to leak.
Utility model content
Purpose of utility model: for the technical problems in the prior art, a kind of double-canopy sealing mechanism is provided.Work as exhaust
Valve can be automatically turned on when transporting bung and docking with shielding bung, be connected to airtight transferring barrel with shielding bucket interior chamber, it is ensured that
Air pressure is consistent with air pressure in shielding bucket in transferring barrel, complete transhipment bung open and close movement can swimmingly.When transhipment bung with
After shielding bung disengaging, exhaust valve is automatically closed, it is ensured that shielding bucket and each self-sustaining airtight conditions of transferring barrel.
Technical solution: in order to realize that above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows:
The double-canopy retaining mechanism includes shielding bucket, shielding bung, airtight transferring barrel and airtight transhipment bung；
The shielding bung is provided with shielding bung retaining ring, shields and is fixedly installed shielding bung lock in bung retaining ring
Button；
Shielding bucket upper end is provided with a barrel room latch segment；
Shielding bung retaining ring makes to shield bung and latch to match with the bucket room latch segment that shielding bucket upper end is arranged in by rotation
Close the locking closure/unlock realized shielding bung and shield bucket；
The lower end of the shielding bung is provided with bung locking pin；
The airtight transferring barrel portion of covering is fixed with locking pin sheave, and bung locking pin sheave is internally provided with card slot；Bucket
The cooperation of cover locking pin and bung locking pin sheave card slot realizes airtight transhipment bung and shields the lock locking/unlocking of bung；
When airtight transhipment bung and shielding bung unlock, shielding bung and shielding bucket locking, airtight transhipment bung and gas
Close transferring barrel fastens；When airtight transhipment bung and shielding bung locking, shielding bung and shielding bucket unlock, airtight transhipment bung
With shielding bung synchronous on-off；
Shielding bung mandrel, the row of being additionally provided with inside the shielding bung mandrel are fixedly installed in the middle part of the shielding bung
Air valve；The airtight transferring barrel, which covers, is provided with breather valve；
When shielding bucket and shielding bung locking, in the unlocked state between airtight transhipment bung and shielding bung, shielding
The breather valve of the exhaust valve of bung and airtight transferring barrel lid automatically turns on, and shields bung and airtight transferring barrel lid and screen at this time
It covers and forms shielding isolator inner cavity between barrel inner casing, be connected to airtight transferring barrel with shielding barrel cavity, it is ensured that in airtight transferring barrel
Air pressure is consistent with air pressure in shielding bucket, complete airtight transhipment bung open and close movement can swimmingly；When airtight transhipment bung with
Shield bung locking after, the breather valve of the exhaust valve and airtight transferring barrel lid that shield bung is automatically closed, it is ensured that shielding bucket with
Airtight each self-sustaining airtight conditions of transferring barrel.
Its advantage is that, when transporting bung open and close, will cause air pressure change in transferring barrel, make similar to piston motion
It at air pressure change in cylinder, influences open and close movement and smoothly completes, even resulting in bung can not be closed in place, cause radiation in bucket
Property gas leakage.Exhaust valve can be automatically turned on when transporting bung and docking with shielding bung, make airtight transferring barrel and shielding bucket
Indoor chamber connection, it is ensured that air pressure is consistent with air pressure in shielding bucket in transferring barrel, makes transhipment bung open and close movement can be swimmingly complete
At.After transporting bung and shielding bung is detached from, exhaust valve is automatically closed, it is ensured that shielding bucket and the airtight shape of each self-sustaining of transferring barrel
State.
It is provided with sealing ring between the shielding bung and airtight transhipment bung, when shielding bung and airtight transferring barrel cover lock
Periodically, shielding bung and the outer surface of airtight transhipment bung are bound tightly together by sealing ring, form double-canopy complex.
Its advantage is to shield to rely on sealing ring realization airtight between bung and transhipment bung, to prevent radioaerosol infiltration
Enter the gap between two layers of lid, outer surface is caused to pollute.After " double-canopy " opens jointly, since the outer surface of two layers of lid is close
Ground is combined together, and is sealed by " shielding bung and transhipment bung sealing ring ", so, even if it is molten to be exposed to radioactivity gas
In glue, outer surface will not be stain.After double-canopy complex separation, " inner surface " of complex becomes the appearance of autonomous system
Face will not be contaminated, and be in " clean " state.After " double-canopy " closure, all surfaces stain by radioaerosol are all
It can will not be exposed by system lock, prevented secondary volatilization and polluted.
As a further improvement, it is provided with locking closure/unlock driving cylinder on the shielding bung, shields bung retaining ring
The flexible of rotation and bung locking pin driven by locking closure/unlock driving cylinder is synchronous.
Its advantage is locking, unlocking motion and the shielding bung of transhipment bung and shielding bung and the locking closure/solution for shielding bucket
Lock movement is driven by single straight line cylinder, both can guarantee that driving mechanism is most simplified, ensured that two movements are fully synchronized in this way.
When shielding bung and shielding bucket locking, with transhipment bung unlock, transferring barrel can be detached from docking；Conversely, when shielding bung with
It is fixed with transferring barrel cover lock when shielding bucket unlock, it can synchronize open two layers of sealing cover at this time, start to carry out material transfer behaviour
Make.
Model festo DSNU-12-10-P-A linear motion double-acting cylinder can be selected in locking closure, unlock driving cylinder,
Supply gas pressure 6bar, theory action power 51N, stroke 10mm.The linear motion of this cylinder output has double action, driving shielding bucket
The rotation of cover locking ring realizes sealing cover and shields locking and the unlocking function of bucket；Drive lock pin flexible with realize shielding bung with
Transferring barrel cover lock is fixed and unlocks.
As a further improvement, manual opening cover handle is additionally provided on the shielding bung, control shielding bung is opened
It closes.
So-called double-canopy water-tight equipment refers to that transhipment bung is combined together with shielding bung by locking/unlocking mechanism,
Complete it is synchronous open, close, the movement such as separation, the system that movement in this way carries out hermetically material transfer operation.Two layers
After lid is combined into an entirety, unlatching can be synchronized, original two independent sealing systems are merged into unified sealing system, system
Except still will not be contaminated.After Double layer lid complex restores to fasten, two independent sealed lids can be unlocked into again, originally
Unified closed system is divided into two independent, separable sealing systems.What " double-canopy " referred to is exactly to transport bung and screen
Cover bung.
A kind of double-canopy sealing mechanism of the utility model compared with the existing technology have the beneficial effect that when transhipment bung open,
When closing, air pressure change in transferring barrel will cause, be similar to piston motion and cause air pressure change in cylinder, influence open and close movement
It smoothly completes, even resulting in bung can not be closed in place, and radgas in bucket is caused to leak.Exhaust valve is in transhipment bung and screen
It can be automatically turned on when covering bung docking, be connected to airtight transferring barrel with shielding bucket interior chamber, it is ensured that air pressure and screen in transferring barrel
It is consistent to cover air pressure in bucket, complete transhipment bung open and close movement can swimmingly.When sealing cover is detached from transhipment bung and bucket
Afterwards, exhaust valve is automatically closed, it is ensured that bucket room and each self-sustaining airtight conditions of transferring barrel.
Detailed description of the invention
The double-canopy sealing mechanism perspective view of Fig. 1；
The double-canopy sealing mechanism sectional view of Fig. 2；
In figure: 1. lockings/unlock drives cylinder；2. shielding bung mandrel；3. shielding bung retaining ring；31. shielding bung
Lock；4. locking pin sheave；5. barrel room latch segment；6. bung locking pin；7. manual opening cover handle；8. sealing ring；9. airtight turn
Transport bung；10. breather valve；11. exhaust valve.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, embodiment is with the utility model skill
Implemented under premised on art scheme, it should be understood that these embodiments are merely to illustrate the utility model rather than limitation is originally practical
Novel range.
As depicted in figs. 1 and 2, the double-canopy sealing mechanism includes shielding bucket, shielding bung, airtight transferring barrel and airtight turn
Transport bung 9；
The shielding bung is provided with shielding bung retaining ring 3, shields and is fixedly installed shielding bung in bung retaining ring 3
Lock 31；
The shielding bucket upper end is provided with a barrel room latch segment 5；
The shielding bung retaining ring 3 makes to shield bung lock 31 by rotation and shielding is realized in the cooperation of bucket room latch segment 5
Locking closure/unlock of bung and shielding bucket；
The lower end of the shielding bung is provided with bung locking pin 6；
Airtight 9 top of transhipment bung is fixed with bung locking pin sheave 4, and bung locking pin sheave 4 is internally provided with
Card slot；The cooperation of bung locking pin 6 and 4 card slot of bung locking pin sheave realizes airtight transhipment bung 9 and shields the lock of bung
Locking/unlocking；
When airtight transhipment bung 9 is with shielding bung unlock, shielding bung and shielding bucket locking, airtight transhipment bung 9 and
Airtight transferring barrel fastens；When airtight transhipment bung 9 is with shielding bung locking, shielding bung and shielding bucket unlock, airtight transhipment
Bung 9 and shielding bung synchronous on-off；
It is fixedly installed shielding bung mandrel 2 in the middle part of the shielding bung, is additionally provided with inside the shielding bung mandrel
Exhaust valve 11；Breather valve 10 is provided on the airtight transhipment bung 9；
When shielding bucket and shielding bung locking, in the unlocked state between airtight transhipment bung 9 and shielding bung, shielding
The breather valve 11 of the exhaust valve 11 of bung and airtight transferring barrel lid 9 automatically turns on, and shields bung and airtight transferring barrel lid 9 at this time
And shielding isolator inner cavity is formed between shielding bucket inner casing, it is connected to airtight transferring barrel with shielding barrel cavity, it is ensured that airtight turn
Air pressure is consistent with air pressure in shielding bucket in fortune bucket, complete airtight 9 open and close of transhipment bung movement can swimmingly；When airtight turn
After transporting bung 9 and shielding bung locking, the breather valve 11 of the exhaust valve 11 and airtight transferring barrel lid 9 that shield bung is automatic to be closed
It closes, it is ensured that shielding bucket and each self-sustaining airtight conditions of airtight transferring barrel.
Its advantage is that, when transporting bung open and close, will cause air pressure change in transferring barrel, make similar to piston motion
It at air pressure change in cylinder, influences open and close movement and smoothly completes, even resulting in bung can not be closed in place, cause radiation in bucket
Property gas leakage.Exhaust valve can be automatically turned on when transporting bung and docking with shielding bung, make airtight transferring barrel and shielding bucket
Indoor chamber connection, it is ensured that air pressure is consistent with air pressure in shielding bucket in transferring barrel, makes transhipment bung open and close movement can be swimmingly complete
At.After transporting bung and shielding bung is detached from, exhaust valve is automatically closed, it is ensured that shielding bucket and the airtight shape of each self-sustaining of transferring barrel
State.
As a further improvement, it is provided with sealing ring between the shielding bung and airtight transhipment bung 9, when shielding bucket
When lid is locked with airtight transhipment bung 9, shielding bung and the outer surface of airtight transhipment bung 9 are closely incorporated in by sealing ring
Together, double-canopy complex is formed.
Its advantage is to shield to rely on sealing ring realization airtight between bung and transhipment bung, to prevent radioaerosol infiltration
Enter the gap between two layers of lid, outer surface is caused to pollute.After " double-canopy " opens jointly, since the outer surface of two layers of lid is close
Ground is combined together, and is sealed by " shielding bung and transhipment bung sealing ring ", so, even if it is molten to be exposed to radioactivity gas
In glue, outer surface will not be stain.After double-canopy complex separation, " inner surface " of complex becomes the appearance of autonomous system
Face will not be contaminated, and be in " clean " state.After " double-canopy " closure, all surfaces stain by radioaerosol are all
It can will not be exposed by system lock, prevented secondary volatilization and polluted.
As a further improvement, locking closure/unlock driving cylinder 1, shielding bung locking are provided on the shielding bung
The rotation of ring 3 is driven with the flexible of bung locking pin 6 by locking closure/unlock driving cylinder 1 is synchronous.
Its advantage is locking, unlocking motion and the shielding bung of transhipment bung and shielding bung and the locking closure/solution for shielding bucket
Lock movement is driven by single straight line cylinder, both can guarantee that driving mechanism is most simplified, ensured that two movements are fully synchronized in this way.
When shielding bung and shielding bucket locking, with transhipment bung unlock, transferring barrel can be detached from docking；Conversely, when shielding bung with
It is fixed with transferring barrel cover lock when shielding bucket unlock, it can synchronize open two layers of sealing cover at this time, start to carry out material transfer behaviour
Make.
Model festo DSNU-12-10-P-A linear motion double-acting cylinder can be selected in locking closure, unlock driving cylinder,
Supply gas pressure 6bar, theory action power 51N, stroke 10mm.The linear motion of this cylinder output has double action, driving shielding bucket
The rotation of cover locking ring realizes sealing cover and shields locking and the unlocking function of bucket；Drive lock pin flexible with realize shielding bung with
Transferring barrel cover lock is fixed and unlocks.
As a further improvement, manual opening cover handle 7 is additionally provided on the shielding bung, control shielding bung is opened
It closes.
So-called double-canopy water-tight equipment refers to that transhipment bung is combined together with shielding bung by locking/unlocking mechanism,
Complete it is synchronous open, close, the movement such as separation, the system that movement in this way carries out hermetically material transfer operation.Two layers
After lid is combined into an entirety, unlatching can be synchronized, original two independent sealing systems are merged into unified sealing system, system
Except still will not be contaminated.After Double layer lid complex restores to fasten, two independent sealed lids can be unlocked into again, originally
Unified closed system is divided into two independent, separable sealing systems.What " double-canopy " referred to is exactly to transport bung and screen
Cover bung.
A kind of double-canopy retaining mechanism of the utility model compared with the existing technology have the beneficial effect that be suitable for storage transhipment
Volatility radioactive substance, transfer operation overall process keep airtight conditions, prevent radioaerosol from leaking to personnel's operation
Region, the risk for causing radioaerosol to pollute significantly reduce；High degree of automation.Automatic executive component is all using pneumatic
Element, the operating processes such as double-canopy docking/separation, container open, buckle closure are automatically performed, improve the reliability of equipment, reduce
The failure rate of equipment；The working strength of operator is alleviated simultaneously and improves the service efficiency of equipment；Use the utility model
Double-canopy locking equipment, in conjunction with other mechanisms of the sealing movement system, may be implemented volatility radioactive substance difference every
From being directly transported through between device, without " ear case " or " air-lock ".
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of double-canopy sealing mechanism, the double-canopy retaining mechanism includes shielding bucket, shielding bung, airtight transferring barrel and airtight turn
It transports bung (9), it is characterised in that:
The shielding bung is provided with shielding bung retaining ring (3), is fixedly installed shielding bung in shielding bung retaining ring (3)
It latches (31)；
The shielding bucket upper end is provided with a barrel room latch segment (5)；
The shielding bung retaining ring (3) makes to shield bung lock (31) by rotation and screen is realized in bucket room latch segment (5) cooperation
It covers bung and shields locking closure/unlock of bucket；
The lower end of the shielding bung is provided with bung locking pin (6)；
Airtight transhipment bung (9) top is fixed with bung locking pin sheave (4), setting inside bung locking pin sheave (4)
There is card slot；Airtight transhipment bung (9) and shielding bucket are realized in the cooperation of bung locking pin (6) and bung locking pin sheave (4) card slot
The lock locking/unlocking of lid；
When airtight transhipment bung (9) and shielding bung unlock when, shielding bung and shielding bucket locking, airtight transhipment bung (9) and
Airtight transferring barrel fastens；When airtight transhipment bung (9) and shielding bung locking, shielding bung and shielding bucket unlock, airtight turn
Transport bung (9) and shielding bung synchronous on-off；
Shielding bung mandrel (2), the row of being additionally provided with inside the shielding bung mandrel are fixedly installed in the middle part of the shielding bung
Air valve (11)；Breather valve (10) are provided on the airtight transhipment bung (9)；
It is in the unlocked state between airtight transhipment bung (9) and shielding bung when shielding bucket and shielding bung locking, shield bucket
The exhaust valve (11) of lid and the breather valve (10) of airtight transferring barrel lid (9) automatically turn on, and shield bung and airtight transhipment at this time
Shielding isolator inner cavity is formed between bung (9) and shielding bucket inner casing, is connected to airtight transferring barrel with shielding barrel cavity, it is ensured that
Air pressure is consistent with air pressure in shielding bucket in airtight transferring barrel, complete airtight transhipment bung (9) open and close movement can swimmingly；
After airtight transhipment bung (9) and shielding bung locking, the ventilation of the exhaust valve (11) and airtight transferring barrel lid (9) of bung is shielded
Valve (10) is automatically closed, it is ensured that shielding bucket and each self-sustaining airtight conditions of airtight transferring barrel.
2. a kind of double-canopy sealing mechanism according to claim 1, it is characterised in that: the shielding bung and airtight transferring barrel
It is provided with sealing ring between lid (9), when shielding bung and airtight transhipment bung (9) locks, shielding bung and airtight transferring barrel
The outer surface of lid (9) is bound tightly together by sealing ring, forms double-canopy complex.
3. a kind of double-canopy sealing mechanism according to claim 1, it is characterised in that: be provided with lock on the shielding bung
Lid/unlock driving cylinder (1), shields the rotation of bung retaining ring (3) and the flexible of bung locking pin (6) is driven by locking closure/unlock
Taking offence, cylinder (1) is synchronous to be driven.
4. a kind of double-canopy sealing mechanism according to claim 1, it is characterised in that: be additionally provided with hand on the shielding bung
It is dynamic to uncap handle (7), the opening and closing of control shielding bung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539369.XU CN209249096U (en) | 2018-09-20 | 2018-09-20 | A kind of double-canopy sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539369.XU CN209249096U (en) | 2018-09-20 | 2018-09-20 | A kind of double-canopy sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209249096U true CN209249096U (en) | 2019-08-13 |
Family
ID=67518178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821539369.XU Withdrawn - After Issue CN209249096U (en) | 2018-09-20 | 2018-09-20 | A kind of double-canopy sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209249096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378101A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of double-canopy sealing mechanism |
-
2018
- 2018-09-20 CN CN201821539369.XU patent/CN209249096U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378101A (en) * | 2018-09-20 | 2019-02-22 | 原子高科股份有限公司 | A kind of double-canopy sealing mechanism |
| CN109378101B (en) * | 2018-09-20 | 2023-12-19 | 原子高科股份有限公司 | Double-cover sealing mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190813 Effective date of abandoning: 20231219 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190813 Effective date of abandoning: 20231219 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |