CN209040876U - A kind of clean ventilation airtight blast door - Google Patents
A kind of clean ventilation airtight blast door Download PDFInfo
- Publication number
- CN209040876U CN209040876U CN201820945556.1U CN201820945556U CN209040876U CN 209040876 U CN209040876 U CN 209040876U CN 201820945556 U CN201820945556 U CN 201820945556U CN 209040876 U CN209040876 U CN 209040876U
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- cavity
- magnetic sheet
- door leaf
- fixed
- door
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Abstract
The utility model relates to people's air defense technical fields, disclose a kind of clean ventilation airtight blast door, including doorframe and two sides and the hinged door leaf of the doorframe, cavity is offered in the door leaf, seal assembly is installed in the cavity, the seal assembly includes the magnetic sheet with cavity sliding connection, the first notch for magnetic sheet sliding is offered on the door leaf, and the magnetic sheet magnetism in two door leafs is attracting.This programme utilizes new mechanical structure, cavity is opened up in door leaf, and magnetic sheet is installed in cavity, magnetic sheet and cavity sliding connect and the first notch by being provided on door leaf is moved on the outside of door leaf, when the magnetic sheet between two door leafs is close to each other and contradicts, splicing is realized between door leaf, and since magnetic sheet attracts each other, connection between magnetic sheet more closely, to enhance the leakproofness between door leaf.
Description
Technical field
The utility model relates to people's air defense technical field, in particular to a kind of clean ventilation airtight blast 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.Currently, the China that notification number is CN207377609U is practical new
Type patent discloses a kind of subway ventilation mouth cleaning type into air draft double-leaf protective sealed door, including doorframe, passes through linkwork and pacify
Loaded on two door leafs in doorframe, each door leaf is provided with ventilating mechanisms and blocking mechanism, and the ventilating mechanisms are installed on door
The middle and upper part of fan；The blocking mechanism includes the reducer of turbodrill for being mounted on door leaf middle and lower part, defeated with the power of reducer of turbodrill
The guide rod of outlet connection, the connecting rod being connect by pivoted arm with the guide rod, the tapered end being connect with the connecting rod, the pivoted arm and institute
It states between connecting rod, is hinged between the pivoted arm and the guide rod；The ventilating mechanisms include the formula that dangles being mounted on door leaf
Valve, the rear portion for dangling formula valve are provided with dust filtering case and hand-electric airtight valve.
In above-mentioned technical proposal, two door leafs are installed in doorframe, door leaf is rotatablely connected by linkwork and doorframe, when
After two door leafs are closed and are aligned, then by blocking mechanism closing protective door, protection is achieved the purpose that with this.But two door leafs it
Between can have gap, even if being blocked using sealing joint strip, since protective door does not use for a long time, sealing joint strip is easy old
Change, influence plugging effect, causes protective door to cannot achieve isolation type and lead to wind action.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of clean ventilation airtight blast door,
With good sealing effect.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of clean ventilation protection
Sealed door offers cavity including doorframe and two sides and the doorframe hinged door leaf in the door leaf, in the cavity
Seal assembly is installed, the seal assembly includes the magnetic sheet with cavity sliding connection, is offered on the door leaf for institute
The first notch of magnetic sheet sliding is stated, and the magnetic sheet magnetism in two door leafs is attracting.
By using above-mentioned technical proposal, cavity is opened up in door leaf, and magnetic sheet is installed in cavity, and magnetic sheet and cavity are sliding
It moves connection and the first notch by being provided on door leaf is moved on the outside of door leaf, when the magnetic sheet between two door leafs is close to each other
And when contradicting, splicing is realized between door leaf, and since magnetic sheet attracts each other, the connection between magnetic sheet more closely, to enhance
Leakproofness between door leaf.
The utility model is further arranged to, and it is stepped that the magnetic sheet is exposed at the lateral section outside the cavity, and
The mutual split of the magnetic sheet in two door leafs.
By using above-mentioned technical proposal, the exposed lateral section of magnetic sheet is arranged to it is ladder-like, when two magnetic sheets are mutual
When split, stair-stepping setting increases contact area between magnetic sheet, further reduces gas from entering between door leaf
Possibility improves the leakproofness between door leaf.
The utility model is further arranged to, and the seal assembly further includes the backplate with cavity sliding connection, institute
The second notch offered on door leaf for backplate sliding is stated, the door leaf side is offered for the recessed of backplate insertion
Slot is equipped with rubber pad in groove.
By using above-mentioned technical proposal, setting slides the backplate of connection with it in cavity, and backplate is by being provided with door
The second notch on fan is moved in the groove on another door leaf, and is pushed against with the rubber pad being laid in groove, is increased using backplate
Add the protection between door leaf, improves the intensity of sealed door；And when backplate and rubber pad abutting, gas is difficult to from backplate and groove
Between pass through, further enhance the leakproofness between door leaf.
The utility model is further arranged to, and the drive for driving the magnetic sheet and backplate sliding is equipped in the cavity
Dynamic component, the driving part include connecting with connecting plate fixed on the inside of the backplate and the magnetic sheet, the interior rotation of the cavity
It is connected to screw rod, the threaded hole connecting with the screw flight is offered on the connecting plate.
By using above-mentioned technical proposal, the driving part being made of connecting plate and screw rod is installed in cavity, screw rod turns
It is dynamic to be connected in cavity, and the threaded hole opened up on screw rod and connecting plate is threadedly coupled, and when screw rod rotation, is threadably mounted at it
On connecting plate moved under the limitation of cavity inner wall along spiro rod length direction, push magnetic sheet and backplate to slide with this, realize
Multiple-protection and sealing between door leaf.
The utility model is further arranged to, and the door leaf is equipped with the driving assembly for driving the screw rod rotation, described
Driving assembly includes the driving lever and transmission parts with door leaf rotation connection, and the transmission parts include and the driving lever
Extend into the fixed driving wheel in one end in the cavity, described screw rod one end be fixed with engaged with the driving wheel it is driven
Wheel, and the driving wheel and the driven wheel are bevel gear.
By using above-mentioned technical proposal, the driving assembly being made of driving lever and transmission parts, transmission parts packet are set
Driving wheel and driven wheel are included, both for bevel gear, and driving wheel is fixed on driving lever and extends into one end in cavity, driven wheel
It is fixed on screw rod one end, realization transmission is engaged using between driving wheel and driven wheel, so that the rotation of driving lever is converted into
The driving to seal assembly is realized in the rotation of screw rod.
The utility model is further arranged to, and plugging part is also equipped in the cavity, and the plugging part includes solid
It is scheduled on the fixed plate of the magnetic sheet and the backplate, is fixed in the fixed plate for blocking first notch and described
The sealing joint strip of two notches.
By using above-mentioned technical proposal, the plugging part being made of fixed plate and sealing joint strip is set, fixed plate is fixed
In magnetic sheet and the biggish two sides of backplate area, sealing joint strip is fixed on fixed plate on the side of notch, when between two door leafs
When split, sealing joint strip blocks the first notch and the second notch, and gas is avoided to enter from the first notch and the second notch, rises
To insulating effect.
The utility model is further arranged to, between the magnetic sheet and the fixed plate and the backplate and the fixation
The floor for reinforcing is respectively and fixedly provided between plate.
By using above-mentioned technical proposal, floor is fixed between magnetic sheet and fixed plate and between backplate and fixed plate,
Fixed plate is reinforced using floor, reinforces the anti-pressure ability of fixed plate with this, avoids fixed plate impaired in door leaf splicing,
To extend the service life of fixed plate.
The utility model is further arranged to, the connecting plate back to being fixed with spring on the side of first notch,
The spring end is fixed with the cavity far from the side side wall of first notch.
By using above-mentioned technical proposal, spring is installed between connecting plate and cavity inner wall, spring carries out connecting plate
Support keeps the verticality between connecting plate and cavity inner wall with this, reduces the abrasion between connecting plate and cavity, extends connection
The service life of plate.
The utility model is further arranged to, and fixing seat is fixed on the cavity inner wall, is offered in the fixing seat
For the screw hole of screw flight connection.
By using above-mentioned technical proposal, the mounting-fixing base in cavity, and open up in fixing seat and passed through for screw rod
Screw hole, and screw hole is connect with screw flight, the setting of fixing seat can be supported screw rod, it is ensured that the stationarity of screw rod, again
The sliding range that connecting plate can be limited, avoids the normal work for ensuring connecting plate.
The utility model is further arranged to, and jack is offered in the fixing seat, is fixed on the connecting plate and institute
The mating rubber column of jack is stated, alarm component is installed on the door leaf, the alarm component includes being fixed on described insert
Power supply in hole is equipped with the indicator light with the power electric connection on the door leaf, and is embedded with control in the rubber column
The conducting block that the indicator light is powered.
By using above-mentioned technical proposal, jack is opened up in fixing seat, and is arranged by power supply, indicator light and conducting block group
At alarm component, conducting block is embedded on rubber column, and when in rubber column insertion jack, power supply and indicator light are powered, and prompts
The position of operator's connecting plate avoids excessively taking in magnetic sheet and backplate in cavity with this, it is ensured that seal assembly normally makes
With.
In conclusion the utility model has the following beneficial effects:
1, cavity is opened up in door leaf, and magnetic sheet is installed in cavity, and magnetic sheet and cavity slide and pass through the shifting of the first notch
It moves to door leaf, when the magnetic sheet between two door leafs is close to each other and contradicts, splicing is realized between door leaf, and due to magnetic sheet
It is magnetic attracting, the connection between magnetic sheet more closely, to enhance the leakproofness between door leaf；
2, the backplate that connection is slid with it is set in cavity, and backplate is moved to by the second notch being provided on door leaf
It in groove on another door leaf, and is pushed against with the rubber pad being laid in groove, increases the protection between door leaf using backplate, improve
The intensity of sealed door；
3, the plugging part being made of fixed plate and sealing joint strip is set, and fixed plate is fixed on magnetic sheet and backplate area is larger
Two sides, sealing joint strip is fixed on fixed plate on the side of notch, and when split between two door leafs, sealing joint strip is by first
Notch and the second notch block, and avoid gas from entering from the first notch and the second notch, play insulating effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the schematic diagram of the section structure of door leaf in embodiment.
In figure: 1, doorframe；2, door leaf；21, cavity；22, the first notch；23, the second notch；24, groove；241, rubber
Pad；3, seal assembly；31, magnetic sheet；32, backplate；33, driving part；331, screw rod；332, connecting plate；333, spring；334, rubber
Rubber column gel column；34, plugging part；341, fixed plate；342, sealing joint strip；343, floor；351, fixing seat；352, jack；36, alarm
Component；361, conducting block；362, indicator light；363, power supply；4, driving assembly；41, runner；42, driving lever；43, transmission parts；
431, driving wheel；432, driven wheel.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is rectangular that two fans are installed as shown in Figure 1, a kind of clean ventilation airtight blast door, including doorframe 1, on doorframe 1
Door leaf 2, two fan 2 sides of door leaf are hinged with doorframe 1.As shown in connection with fig. 2, cavity 21, peace in cavity 21 are offered inside door leaf 2
Seal assembly 3 equipped with gap between two door leafs 2 of sealing, seal assembly 3 include magnetic sheet 31, backplate 32, driving part 33, block
Component 34 and alarm component 36.
As shown in Fig. 2, the sliding of magnetic sheet 31 is arranged in cavity 21, the first notch 22 is offered on 2 side wall of door leaf for magnetic
The sliding of plate 31 passes through, and the cross section of side that magnetic sheet 31 is exposed at outside door leaf 2 is stepped, the magnetic sheet 31 between two door leafs 2
Shape is complementary, magnetic attracting.Backplate 32 is cuboid plate structure, slides and connects with cavity 21, and opens up on 2 side wall of door leaf
There is the second notch 23 to pass through for the sliding of backplate 32, a groove 24 is also provided on 2 side wall of door leaf, groove 24 is used for for another
Exposed backplate 32 is inserted on door leaf 2.Rubber pad 241 is also equipped in groove 24, rubber pad 241 is fixed with 24 inner wall of groove,
Since the length of 32 exposed parts of backplate is greater than the length of 2 exposed parts of door leaf, when two door leafs 2 close up, backplate 32 is inserted into phase
To in the groove 24 of door leaf 2, and two magnetic sheets 31 mutually splice and attracting by magnetic compact.
Driving part 33 includes screw rod 331 and connecting plate 332, and screw rod 331 is mounted in cavity 21, and 331 one end of screw rod
It is rotatablely connected with 21 inner wall of cavity.Connecting plate 332 is in cuboid plate structure, and bottom and the sliding of cavity 21 connect, and even
Fishplate bar 332 is vertically arranged with magnetic sheet 31, backplate 32, and the side of magnetic sheet 31 and backplate 32 is fixedly connected with connecting plate 332.Connection
It is also provided with threaded hole on plate 332 so that screw rod 331 passes through, when screw rod 331 rotates, is threadably mounted at connecting plate thereon
332 move under the limitation of 21 inner wall of cavity along 331 length direction of screw rod, push magnetic sheet 31 and backplate 32 to slide with this, from
And realize the multiple-protection between door leaf 2 and sealing.
Spring 333 is installed, 333 one end of spring is fixed with air inner wall, another between 21 inner wall of connecting plate 332 and cavity
End is fixed with connecting plate 332, is supported with this to connecting plate 332, keeps vertical between connecting plate 332 and 21 inner wall of cavity
Degree reduces the abrasion between connecting plate 332 and cavity 21, extends the service life of connecting plate 332.
Plugging part 34 includes fixed plate 341 and sealing joint strip 342, and fixed plate 341 is fixed on magnetic sheet 31 and backplate 32
Two sides.Sealing joint strip 342 is made of rubber, and is fixed on fixed plate 341 on the side of notch.When split between two door leafs 2
When, sealing joint strip 342 blocks the first notch 22 and the second notch 23, avoids gas from the first notch 22 and the second notch 23
Into playing insulating effect.Floor is respectively and fixedly provided between magnetic sheet 31 and fixed plate 341 and between backplate 32 and fixed plate 341
343, floor 343 is obliquely installed with 45 degree of angles, is reinforced with this to fixed plate 341, and the resistance to compression energy of fixed plate 341 is reinforced
Power, to avoid fixed plate 341 impaired when door leaf 2 splices.
Fixing seat 351 is also equipped on 21 inner wall of cavity, fixing seat 351 is fixedly connected with 21 inner wall of cavity, fixing seat 351
On offer the screw hole being threadedly coupled for screw rod 331, fixing seat 351 plays the role of studdle 331.Connecting plate 332 is close
Rubber column 334 is fixed on the side of fixing seat 351, rubber column 334 is made of rubber, and has elasticity；It is opened up in fixing seat 351
There is jack 352, jack 352 and rubber column 334 are mating, play the role of limiting connecting plate 332.
Alarm component 36 includes conducting block 361, indicator light 362 and power supply 363, and conducting block 361 is made of copper, is embedded in rubber
Rubber column gel column 334 is close to one end of fixing seat 351.Indicator light 362 is mounted on 2 outer wall of door leaf, and power supply 363 is embedded in fixing seat 351
Inside, and indicator light 362 is connect with power supply 363, between the two being connected electrically at jack 352 disconnects.When rubber column 334 is inserted into
When in jack 352, conducting block 361 is connected to power supply 363 and indicator light 362, and indicator light 362 lights, and prompts operator's connecting plate
332 position, being avoided with this will be in magnetic sheet 31 and backplate 32 excessively income cavity 21, it is ensured that the normal use of seal assembly 3.
As shown in Figure 1 and Figure 2, the driving assembly 4 that driving seal assembly 3 works is also equipped on door leaf 2, driving assembly 4 wraps
Include driving lever 42 and transmission parts 43.Driving lever 42 is cylindrical, and one end is penetrated in cavity 21 by 2 outer wall of door leaf, active
Runner 41 is installed, 41 middle part of runner is fixedly connected with driving lever 42 on one end that bar 42 is exposed at outside door leaf 2.Transmission parts 43
Including driving wheel 431 and driven wheel 432, driving wheel 431 and driven wheel 432 are bevel gear, and driving wheel 431 is fixed on actively
Bar 42 extends on one end in cavity 21, and driven wheel 432 is fixed on 331 end of screw rod, the two intermeshing transmission.Work as runner
When 41 rotation, driving lever 42 rotates with it and driving wheel 431 is driven to rotate, 432 turns of the driven wheel engaged at this time with driving wheel 431
It moves and screw rod 331 is driven to rotate, when screw rod 331 rotates, the connecting plate 332 in cavity 21 is empty in the limitation lower edge of 21 side wall of cavity
Chamber 21 slides, and is released the magnetic sheet 31 being fixed on connecting plate 332 and backplate 32 with this.
When the present embodiment is in use, operator only needs rotating wheel 41, drives screw rod 331 to rotate with this, and 331 turns of screw rod
When dynamic, the connecting plate 332 in cavity 21 is slid under the limitation of 21 side wall of cavity along cavity 21, will be fixed on connecting plate with this
Magnetic sheet 31 and backplate 32 on 332 are released, real between door leaf 2 when the magnetic sheet 31 between two door leafs 2 is close to each other and contradicts
Now splice, and since magnetic sheet 31 attracts each other, the connection between magnetic sheet 31 more closely, enhances the leakproofness between door leaf 2.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of clean ventilation airtight blast door, including doorframe (1) and two sides and the doorframe (1) hinged door leaf (2),
It is characterized in that: offering cavity (21) in the door leaf (2), seal assembly (3), the sealing are installed in the cavity (21)
Component (3) includes the magnetic sheet (31) with the cavity (21) sliding connection, is offered on the door leaf (2) for the magnetic sheet (31)
The first notch (22) of sliding, and the magnetic sheet (31) in two door leafs (2) is magnetic attracting.
2. a kind of clean ventilation airtight blast door according to claim 1, it is characterized in that: the magnetic sheet (31) is exposed at institute
State that the lateral section of cavity (21) outside is stepped, and the magnetic sheet (31) mutual split in two door leafs (2).
3. a kind of clean ventilation airtight blast door according to claim 1, it is characterized in that: the seal assembly (3) also wraps
The backplate (32) with the cavity (21) sliding connection is included, for the backplate (32) sliding is offered on the door leaf (2)
Two notches (23), door leaf (2) side offer the groove (24) for the backplate (32) insertion, are equipped in groove (24)
Rubber pad (241).
4. a kind of clean ventilation airtight blast door according to claim 3, it is characterized in that: being equipped in the cavity (21)
The driving part (33) for driving the magnetic sheet (31) and the backplate (32) to slide, the driving part (33) include and the shield
Fixed connecting plate (332) on the inside of plate (32) and the magnetic sheet (31), the cavity (21) is interior to be rotatably connected to screw rod (331),
The threaded hole being threadedly coupled with the screw rod (331) is offered on the connecting plate (332).
5. a kind of clean ventilation airtight blast door according to claim 4 drives it is characterized in that: the door leaf (2) is equipped with
The driving assembly (4) of the screw rod (331) rotation is moved, the driving component (4) includes the master with the door leaf (2) rotation connection
Lever (42) and transmission parts (43), the transmission parts (43) include extending into the cavity (21) with the driving lever (42)
The fixed driving wheel (431) in interior one end, described screw rod (331) one end be fixed with engaged with the driving wheel (431) it is driven
It takes turns (432), and the driving wheel (431) and the driven wheel (432) are bevel gear.
6. a kind of clean ventilation airtight blast door according to claim 4, it is characterized in that: also being installed in the cavity (21)
Have plugging part (34), the plugging part (34) includes the fixed plate for being fixed on the magnetic sheet (31) and the backplate (32)
(341), the sealing for blocking first notch (22) and second notch (23) is fixed on the fixed plate (341)
Adhesive tape (342).
7. a kind of clean ventilation airtight blast door according to claim 6, it is characterized in that: the magnetic sheet (31) with it is described solid
The floor for reinforcing is respectively and fixedly provided between fixed board (341) and between the backplate (32) and the fixed plate (341)
(343)。
8. a kind of clean ventilation airtight blast door according to claim 4, it is characterized in that: the connecting plate (332) back to
It is fixed with spring (333) on the side of first notch (22), spring (333) end and the cavity (21) are far from institute
The side side wall for stating the first notch (22) is fixed.
9. a kind of clean ventilation airtight blast door according to claim 4, it is characterized in that: solid on the cavity (21) inner wall
Surely have fixing seat (351), the screw hole being threadedly coupled for the screw rod (331) is offered on the fixing seat (351).
10. a kind of clean ventilation airtight blast door according to claim 9, it is characterized in that: being opened in the fixing seat (351)
Equipped with jack (352), the rubber column (334) mating with the jack (352), institute are fixed on the connecting plate (332)
It states and is equipped on door leaf (2) alarm component (36), the alarm component (36) includes the power supply being fixed in the jack (352)
(363), the indicator light (362) being electrically connected with the power supply (363), and the rubber column (334) are installed on the door leaf (2)
It is inside embedded with and controls the conducting block (361) that the indicator light (362) is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820945556.1U CN209040876U (en) | 2018-06-19 | 2018-06-19 | A kind of clean ventilation airtight blast door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820945556.1U CN209040876U (en) | 2018-06-19 | 2018-06-19 | A kind of clean ventilation airtight blast door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209040876U true CN209040876U (en) | 2019-06-28 |
Family
ID=67028889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820945556.1U Active CN209040876U (en) | 2018-06-19 | 2018-06-19 | A kind of clean ventilation airtight blast door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209040876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638297A (en) * | 2021-07-30 | 2021-11-12 | 安徽霍宇建设工程有限公司 | Municipal works are with road cementation of fissures device that has roll deashing structure |
-
2018
- 2018-06-19 CN CN201820945556.1U patent/CN209040876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638297A (en) * | 2021-07-30 | 2021-11-12 | 安徽霍宇建设工程有限公司 | Municipal works are with road cementation of fissures device that has roll deashing structure |
| CN113638297B (en) * | 2021-07-30 | 2023-09-05 | 安徽霍宇建设工程有限公司 | Road crack pouring device with rolling ash removal structure for municipal engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 57, Huanglou Road, Xinqiao International Industrial Park, Shou County, Huainan City, Anhui Province 232221 Patentee after: Anhui Shuntai Protection Technology Co.,Ltd. Address before: 231131 West side of Fenglin Road, Changfeng Shuangfeng Economic Development Zone, Hefei City, Anhui Province Patentee before: HEFEI SHUNTAI CIVIL DEFENSE ENGINEERING Co.,Ltd. |
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| CP03 | Change of name, title or address |