CN110529001A - A kind of cleaning type ventilation and protection sealed door - Google Patents
A kind of cleaning type ventilation and protection sealed door Download PDFInfo
- Publication number
- CN110529001A CN110529001A CN201910786696.8A CN201910786696A CN110529001A CN 110529001 A CN110529001 A CN 110529001A CN 201910786696 A CN201910786696 A CN 201910786696A CN 110529001 A CN110529001 A CN 110529001A
- Authority
- CN
- China
- Prior art keywords
- sealed door
- handwheel
- door
- interior
- cleaning type
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 27
- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/04—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with ventilation wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F2017/008—Special devices for shifting a plurality of wings operated simultaneously for swinging wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Abstract
The present invention relates to a kind of cleaning type ventilation and protection sealed doors, it includes door leaf, interior sealed door is provided on the inside of door leaf, interior sealed door is hinged on vertically on door leaf and hinge joint is located at the side of interior sealed door, the opening and closing device for driving interior sealed door rotation is connected on the interior sealed door, opening and closing device is connected with transmission device, the input terminal of transmission device is connected with handwheel, weight is removably connected on handwheel, active force of the weight on handwheel generates torque to handwheel and the direction of the torque is the direction of sealed door in handwheel is closed.After the present invention has interior sealed door locking, the preferable effect of leakproofness.
Description
Technical field
The present invention relates to a kind of technical fields of airtight blast door, closed more particularly, to a kind of cleaning type ventilation and protection
Door.
Background technique
Cleaning type ventilating system is most common a kind of ventilating system in subway people's air defense, in traditional cleaning type ventilation and protection
In system, the first sect is sebific duct valve protective door, plays the role of cutting down shock wave；Second sect is that sealed valve prevents close
Door plays the transformation of cleaning type ventilation and isolation type ventilation.Cleaning type ventilation and protection sealed door is to develop a kind of collection sebific duct
Valve protective door and sealed valve prevent that close door function in one, has both the Novel clean formula ventilation of ventilation, protection and sealing function
Airtight blast door is used for subway cleaning type ventilating duct.Cleaning type ventilation and protection sealed door makes in the ventilation of subway people's air defense cleaning type
Protection wave absorption and ventilation conversion function concentrate on a sect.
The structural schematic diagram of cleaning type ventilation double-leaf protective sealed door in the prior art, mainly by doorframe, door leaf, sealing
Item, hinge page, locking, interior sealed door, oil net dust filter and wave damping apparatus composition, doorframe are mounted on wall, and door leaf passes through hinge page
It is hinged on doorframe, and hinge page is located at the vertical side of door leaf, sealing strip between doorframe and door leaf for sealing, locking dress
The inside for being mounted on door leaf is set, for door leaf to be locked in doorframe, is internally provided with rectangle installing frame, oil network filter in door leaf
Dirt device is arranged in rectangle installing frame, and the outside that wave damping apparatus is in door leaf is opposite with rectangle installing frame, and interior closed door closure is located at
The inside of rectangle installing frame is connected with bolt on interior sealed door, and being connect by bolt with door leaf closes interior sealed door in rectangle
On installing frame, to be sealed to interior.
But interior closed Door cross-pin carries out locking in above structure, matches between bolt and the hole of bolt connection for gap
It closes, so that the leakproofness between the interior sealed door after locking and rectangle installing frame is poor.
Summary of the invention
The object of the present invention is to provide a kind of cleaning type ventilation and protection sealed doors, after interior sealed door locking, sealing
The preferable effect of property.
Foregoing invention purpose of the invention has the technical scheme that
A kind of cleaning type ventilation and protection sealed door, including door leaf are provided with interior sealed door on the inside of door leaf, and interior sealed door is cut with scissors vertically
It connects on door leaf and hinge joint is located at the side of interior sealed door, be connected on the interior sealed door for driving interior sealed door to rotate
Opening and closing device, opening and closing device is connected with transmission device, and the input terminal of transmission device is connected with handwheel, is detachably connected on handwheel
There is weight, active force of the weight on handwheel generates torque to handwheel and the direction of the torque is the side of sealed door in handwheel is closed
To.
By using above-mentioned technical proposal, in use, interior sealed door is hinged on door leaf, interior sealed door connection opening and closing dress
It sets, interior sealed door can be rotated by opening and closing device, to be connected with handwheel, handwheel peace by transmission device on opening and closing device
Mounted in the input terminal of transmission device, hand wheel rotating drives opening and closing device, and handwheel drives opening and closing device, when handwheel driving is opened
It closes after device closes interior sealed door, then weight is connected on handwheel, the active force of weight generates torque and torque to handwheel
Direction be sealed door in handwheel is closed direction, so as to which interior sealed door is in the state that remains turned-off.
The present invention is further arranged to: the opening and closing device includes main shaft, crank and connecting rod, and main shaft is rotatably connected on vertically
On door leaf, crank is fixed on main shaft, and one end of crank one end and connecting rod far from main shaft is hinged, the other end of connecting rod with it is interior close
It closes door hinge to connect, main shaft is connect with transmission device.
By using above-mentioned technical proposal, main shaft is connect with transmission device, and main axis drives crank rotation, crank connection
There is connecting rod, the other end of connecting rod drives interior sealed door to open or close.
The present invention is further arranged to: the connecting rod is provided with mounting base close to one end of interior sealed door, and connecting rod passes through peace
It fills seat and interior sealed door is hinged, mounting base is located at the middle part of interior sealed door.
By using above-mentioned technical proposal, mounting base is connect with connecting rod, and mounting base is in interior closed interior middle part, connecting rod
Active force acts on the middle part of interior sealed door by mounting base, to make the better tightness of interior sealed door.
The present invention is further arranged to: when the interior sealed door is in close state, the angle between crank and connecting rod is
170-175 degree.
By using above-mentioned technical proposal, the angle between crank and connecting rod is 170-175 degree, interior sealed door by
When interior power, the power of force distribution to the crank rotation direction of connecting rod is smaller, so that internally the closing effect of sealed door is preferable.
The present invention is further arranged to: at least two mounting bases and in the vertical of interior sealed door on the interior sealed door
It is uniformly distributed on direction.
By using above-mentioned technical proposal, at least two in mounting base, the structural strength of opening and closing device can be made higher,
The power for acting on interior sealed door simultaneously is more uniform.
The present invention is further arranged to: the transmission device includes shell, worm gear and worm screw, and shell is fixed on door leaf,
Worm gear is coaxially fixed on main shaft, and worm screw is rotatably connected in shell, and the output end of worm screw is coaxially fixed on driven gear, described
Driving gear is provided in shell, driving gear is engaged with driven gear, and driving gear is coaxially fixed on handwheel.
By using above-mentioned technical proposal, driving gear is fixed on handwheel, and handwheel drives driving gear rotation, driving tooth
Wheel drives driven gear rotation, and driving gear is coaxially fixed with worm screw, and worm screw drives main axis by worm gear, thus in weight
The active force acted on handwheel can be acted on interior sealed door by driving gear and driven gear, worm and wheel increase
Power.
The present invention is further arranged to: there are two worm gears, two worm gears to be mounted on main shaft up and down for setting in the shell,
Each worm gear is all connected with a worm screw, and the end of each worm screw is respectively mounted a driven gear, and two driven gears are and actively
Gear external toothing.
By using above-mentioned technical proposal, worm gear is mounted on main shaft, and each worm gear is all connected with a worm screw, passes through one
Driving gear drives two driven gears simultaneously, and then rotates synchronously two worm gears by two worm screws, can increase transmission
The intensity of device.
The present invention is further arranged to: there are two the interior sealed doors and setting up and down, and transmission device is mounted on main shaft
Middle part.
By using above-mentioned technical proposal, two setting up and down of interior sealed door, transmission device is located at the middle part of main shaft, makes to pass
Dynamic device drives the opening and closing device at main shaft both ends, and two interior sealed doors are opened simultaneously or closed.
The present invention is further arranged to: being evenly arranged with multiple links in the circumferential direction of the handwheel, is connected on the weight
There is the hook with link cooperation.
By using above-mentioned technical proposal, multiple links are uniformly arranged in the circumferential direction of handwheel, weight is removable by linking up with
It unloads and is connected on link, so that it is more convenient to remove weight.
The present invention is further arranged to: two adjacent links are located at the angle in handwheel circumferential direction less than 45 degree.
By using above-mentioned technical proposal, the angle between two adjacent links can make hand wheel rotating less than 45 degree
To any position, weight can be connected with corresponding link, keep weight larger to the active force of handwheel.
In conclusion advantageous effects of the invention are as follows:
1. being hinged on door leaf by interior sealed door, interior sealed door connects opening and closing device, can be rotated by opening and closing device interior close
Door is closed, to be connected with handwheel by transmission device on opening and closing device, handwheel is mounted on the input terminal of transmission device, and handwheel turns
Dynamic to drive opening and closing device, handwheel drives opening and closing device, after handwheel driving opening and closing device closes interior sealed door, then will
Weight is connected on handwheel, and the active force of weight generates torque to handwheel and the direction of the torque is the side of sealed door in handwheel is closed
To so as to which interior sealed door is in the state remained turned-off；
2. it is 170-175 degree by the angle between crank and connecting rod, when interior sealed door is by inward force, the effect of connecting rod
The power that power is assigned to crank rotation direction is smaller, so that internally the closing effect of sealed door is preferable；
3. being fixed on handwheel by driving gear, handwheel drives driving gear rotation, and driving gear drives driven gear rotation,
Driving gear is coaxially fixed with worm screw, and worm screw drives main axis by worm gear, to act on the effect on handwheel in weight
Power can act on the power on interior sealed door by driving gear and driven gear, worm and wheel increase.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the attachment structure schematic diagram of opening and closing device；
Fig. 3 is the attachment structure schematic diagram of transmission device.
In figure, 1, door leaf；11, rectangle installing frame；2, interior sealed door；3, shaft；4, opening and closing device；41, main shaft；42, bent
Handle；43, connecting rod；44, mounting base；5, transmission device；51, shell；52, worm gear；53, worm screw；54, driving gear；55, driven tooth
Wheel；6, handwheel；61, link；7, weight；71, it links up with.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It is a kind of cleaning type ventilation and protection sealed door disclosed by the invention, including door leaf 1, in door leaf 1 with reference to Fig. 1
It is provided with two rectangle installing frames 11 up and down on side, is covered with interior sealed door 2, interior sealed door 2 one on rectangle installing frame 11
Side is provided with vertical shaft 3, and the rotation of shaft 3 connects on the medial surface of door leaf 1, is respectively connected with opening and closing on each interior hermatic door
Device 4, opening and closing device 4 are mounted on door leaf 1, and door leaf 1 is opened or closed rectangle installing frame 11 by opening and closing device 4.
With reference to Fig. 2, opening and closing device 4 includes main shaft 41, crank 42 and connecting rod 43, and main shaft 41 is vertically arranged, and main shaft 41 is located at
The same side of shaft 3 is arranged in interior sealed door 2, is provided with two groups of cranks 42 and connecting rod 43, crank 42 1 on each interior sealed door 2
End is fixed on main shaft 41, and the other end and connecting rod 43 are rotatablely connected, and connecting rod 43 is hinged with mounting base 44 far from one end of crank 42,
Mounting base 44 is welded on the medial surface of interior sealed door 2, and mounting base 44 is in the interposition of interior 2 horizontal direction of sealed door
It sets, two mounting bases 44 are uniformly distributed on the vertical direction of interior sealed door 2, and the active force of two cranks 42 is made to pass through connecting rod 43
When acting in mounting base 44, interior 2 stress of sealed door can be made relatively uniform.When interior sealed door 2 is in the state closed, crank
Angle between 42 and connecting rod 43 is 170-175 degree, interior sealed door 2 when by extraneous impact force, what interior sealed door 2 generated
The power of force distribution to 42 rotation direction of crank is smaller.
With reference to Fig. 2, at the middle part of main shaft 41, setting is connected with transmission device 5, and the input terminal of transmission device 5 is connected with handwheel
6, the rotation of handwheel 6 is able to drive the rotation of main shaft 41, to make opening and closing device 4 that interior sealed door 2 be driven to open or close, in handwheel
It is evenly distributed with multiple links 61 in 6 circumferential directions, the angle in the circumferential direction of handwheel 6 is located between two adjacent links 61 less than 45
Degree.It is connected with weight 7 on handwheel 6, hook 71 is provided on weight 7, hook 71 makes weight 7 can for cooperating with link 61
Dismantling connection is on handwheel 6, and weight 7 is when being suspended on handwheel 6, it is interior it is closed in the state closed, while weight 7
Torque of the gravity on handwheel 6 rotate the direction of the sealed door 2 into closing of handwheel 6, thus the sealed door 2 in closing
When, internal sealed door 2 is able to maintain by weight 7 and generates the active force closed.
With reference to Fig. 3, transmission device 5 includes shell 51, worm gear 52 and worm screw 53, and shell 51 is fixed on door leaf 1, worm gear 52
It is coaxially fixed on main shaft 41, worm screw 53 is rotatably connected in shell 51, and worm screw 53 engages with worm gear 52.In a shell 51
There are two worm gear 52 and worm screws 53 for setting, and two worm gears 52 are setting up and down on main shaft 41, each worm gear 52 and a snail
Bar 53 is corresponding.Worm screw 53 is respectively connected with a driven gear 55 in the end of each worm screw 53 perpendicular to the surface of door leaf 1,
Driven gear 55 is coaxially fixed on worm screw 53, and setting is spaced between two driven gears 55, is provided in shell 51 actively
Gear 54, driving gear 54 are rotatably connected on shell 51, driving gear 54 and two 55 external toothings of driven gear, driving gear
54 number of teeth is less than the number of teeth of driven gear 55, and driving gear 54 is coaxial fixed with handwheel 6.In use, driving gear 54 drives
Two driven gears 55 rotate, and two driven gears 55 rotate synchronously, and two driven gears 55 drive two worm screws 53 simultaneously
Rotation, to make two worm gears 52 on main shaft 41 while rotate.When weight 7 generates torque to handwheel 6, pass through driving gear
54 and driven gear 55 once increase torque, then by 53 2 increasing back twist squares of worm gear 52 and worm screw, make to act on interior sealed door 2
Upper power it is larger, while two worm gears 52 and worm screw 53 are set, increase the intensity of transmission device 5.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of cleaning type ventilation and protection sealed door, including door leaf (1), it is provided with interior sealed door (2) on the inside of door leaf (1), it is interior
Sealed door (2) is hinged on vertically on door leaf (1) and hinge joint is located at the side of interior sealed door (2), it is characterised in that: described interior close
The opening and closing device (4) being connected on door (2) for driving interior sealed door (2) to rotate is closed, opening and closing device (4) is connected with transmission device
(5), the input terminal of transmission device (5) is connected with handwheel (6), is removably connected on handwheel (6) weight (7), and weight (7) is in hand
The active force taken turns on (6) generates torque and the direction of the torque to handwheel (6) as the direction of sealed door (2) in handwheel (6) closing.
2. a kind of cleaning type ventilation and protection sealed door according to claim 1, it is characterised in that: the opening and closing device (4)
Including main shaft (41), crank (42) and connecting rod (43), main shaft (41) is rotatably connected on vertically on door leaf (1), and crank (42) is fixed
On main shaft (41), the one end of crank (42) far from main shaft (41) and one end of connecting rod (43) are hinged, the other end of connecting rod (43)
Hingedly with interior sealed door (2), main shaft (41) is connect with transmission device (5).
3. a kind of cleaning type ventilation and protection sealed door according to claim 2, it is characterised in that: the connecting rod (43) is close
One end of interior sealed door (2) is provided with mounting base (44), and connecting rod (43) hingedly, is pacified by mounting base (44) and interior sealed door (2)
Dress seat (44) is located at the middle part of interior sealed door (2).
4. a kind of cleaning type ventilation and protection sealed door according to claim 3, it is characterised in that: the interior sealed door (2)
When being in close state, the angle between crank (42) and connecting rod (43) is 170-175 degree.
5. a kind of cleaning type ventilation and protection sealed door according to claim 3, it is characterised in that: the interior sealed door (2)
On at least two mounting bases (44) and be uniformly distributed on the vertical direction of interior sealed door (2).
6. a kind of cleaning type ventilation and protection sealed door according to claim 1, it is characterised in that: the transmission device (5)
Including shell (51), worm gear (52) and worm screw (53), shell (51) is fixed on door leaf (1), and worm gear (52) is coaxially fixed on master
On axis (41), worm screw (53) is rotatably connected in shell (51), and the output end of worm screw (53) is coaxially fixed on driven gear (55),
It is provided with driving gear (54) in the shell (51), driving gear (54) is engaged with driven gear (55), driving gear (54)
Coaxially it is fixed on handwheel (6).
7. a kind of cleaning type ventilation and protection sealed door according to claim 6, it is characterised in that: set in the shell (51)
It sets there are two worm gear (52), two worm gears (52) are mounted on main shaft (41) up and down, and each worm gear (52) is all connected with a worm screw
(53), the end of each worm screw (53) is respectively mounted a driven gear (55), and two driven gears (55) are and driving gear
(54) external toothing.
8. a kind of cleaning type ventilation and protection sealed door according to claim 6, it is characterised in that: the interior sealed door (2)
There are two and it is setting up and down, transmission device (5) is mounted on the middle part of main shaft (41).
9. a kind of cleaning type ventilation and protection sealed door according to claim 1, it is characterised in that: the week of the handwheel (6)
It is evenly arranged with upwards multiple links (61), the hook (71) with link (61) cooperation is connected on the weight (7).
10. a kind of cleaning type ventilation and protection sealed door according to claim 9, it is characterised in that: described in adjacent two
Link (61) is located at the angle in handwheel (6) circumferential direction less than 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786696.8A CN110529001B (en) | 2019-08-24 | 2019-08-24 | Clean type ventilation protective airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786696.8A CN110529001B (en) | 2019-08-24 | 2019-08-24 | Clean type ventilation protective airtight door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110529001A true CN110529001A (en) | 2019-12-03 |
| CN110529001B CN110529001B (en) | 2021-05-07 |
Family
ID=68662662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910786696.8A Active CN110529001B (en) | 2019-08-24 | 2019-08-24 | Clean type ventilation protective airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529001B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201037359Y (en) * | 2007-04-26 | 2008-03-19 | 中国人民解放军总参谋部工程兵第四设计研究院 | Rigid contact net power receiving underground section protection obstruction door |
| CN103670112A (en) * | 2013-12-27 | 2014-03-26 | 山东核电设备制造有限公司 | Transmission cases on two sides of personnel airlock |
| KR101724356B1 (en) * | 2015-04-24 | 2017-04-18 | 주식회사 경일엔텍 | air tight door opening and closing device |
| CN107100509A (en) * | 2017-05-31 | 2017-08-29 | 杭州钱江人防设备有限公司 | Subway cleaning type enters air draft airtight blast door and its long-range control method |
| CN207461283U (en) * | 2017-09-30 | 2018-06-08 | 福建本草春石斛股份有限公司 | A kind of counterweight door |
| CN208396747U (en) * | 2018-06-19 | 2019-01-18 | 合肥市永兴人防工程有限公司 | A kind of biparting clean ventilation airtight blast door |
| CN208618973U (en) * | 2018-06-07 | 2019-03-19 | 佛山科学技术学院 | A kind of door and window headstock gear |
-
2019
- 2019-08-24 CN CN201910786696.8A patent/CN110529001B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201037359Y (en) * | 2007-04-26 | 2008-03-19 | 中国人民解放军总参谋部工程兵第四设计研究院 | Rigid contact net power receiving underground section protection obstruction door |
| CN103670112A (en) * | 2013-12-27 | 2014-03-26 | 山东核电设备制造有限公司 | Transmission cases on two sides of personnel airlock |
| KR101724356B1 (en) * | 2015-04-24 | 2017-04-18 | 주식회사 경일엔텍 | air tight door opening and closing device |
| CN107100509A (en) * | 2017-05-31 | 2017-08-29 | 杭州钱江人防设备有限公司 | Subway cleaning type enters air draft airtight blast door and its long-range control method |
| CN207461283U (en) * | 2017-09-30 | 2018-06-08 | 福建本草春石斛股份有限公司 | A kind of counterweight door |
| CN208618973U (en) * | 2018-06-07 | 2019-03-19 | 佛山科学技术学院 | A kind of door and window headstock gear |
| CN208396747U (en) * | 2018-06-19 | 2019-01-18 | 合肥市永兴人防工程有限公司 | A kind of biparting clean ventilation airtight blast door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110529001B (en) | 2021-05-07 |
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