CN209398268U - Two-way hanging deck type explosion blast proof movable door - Google Patents
Two-way hanging deck type explosion blast proof movable door Download PDFInfo
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- CN209398268U CN209398268U CN201821843180.XU CN201821843180U CN209398268U CN 209398268 U CN209398268 U CN 209398268U CN 201821843180 U CN201821843180 U CN 201821843180U CN 209398268 U CN209398268 U CN 209398268U
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- hanging deck
- ventilating board
- separate ventilation
- plate
- movable door
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Abstract
The utility model discloses a kind of two-way hanging deck type explosion blast proof movable door, the inside and outside ventilating board (1,2) that, lower end close to each other including upper end is located remotely from each other, it further include hanging deck (3), clinch (4), bottom plate (5), the first and second side plate (61,62), the inside and outside ventilating board (1,2), clinch (4), bottom plate (5), the first side plate (61) and the second side plate (62) surround a cavity (7) jointly；Hanging deck (3) is between interior ventilating board (1) and separate ventilation plate (2), hanging deck (3) upper end is hung on the downside of clinch (4), and there are gaps with cavity (7) inner wall for hanging deck (3) left and right ends and lower end；Inside and outside ventilating board (1,2) is equipped with ventilation hole (11,21), and hanging deck (3) can completely enclose inside and outside ventilation hole (11,21) when being bonded respectively with inside and outside ventilating board (1,2).The explosion wave prevention active door of the utility model had both been resistant to positive pressure impact, was also resistant to negative pressure impact.
Description
Technical field
The utility model belongs to safeguard technical field, especially a kind of to be not only resistant to positive pressure impact, is also resistant to negative pressure
The two-way hanging deck type explosion blast proof movable door of impact.
Background technique
Explosion wave prevention active door is typically mounted on civil air defense constructions and installations, the ventilation oral area of such as antiaircraft underground, front towards outside engineering,
Rear is usually diffuser casing or diffusion chamber, weakens for wartime or shock wave is prevented to enter technical interior, to guarantee technical interior
No more than permissible value, in order to avoid cause injuring for personnel or equipment.
Common explosion wave prevention active door has hanging deck type explosion blast proof movable door and sebific duct valve.Wherein hanging deck type explosion blast proof movable door is using most
It is extensive.
Existing hanging deck type explosion blast proof movable door such as Chinese utility model patent " hanging deck type explosion blast proof movable door " (application number:
200420004791.7, publication date: 2005-03-09) it is described, it generally includes to pour with door frame wall by armored concrete connected
Steel door frame and pass through the hinge ear and hinged valve of steel door frame.During engineering maintenance or when mean time ventilation, valve is opened, into air draft
Amount is maximum.Valve surface is provided with ventilation hole, is equipped at least one piece of hanging deck outside ventilation hole, hanging deck upper end and free bearing are hinged.Wartime,
Engineering be not hit wave impact when, hanging deck lower end is far from valve surface, i.e. the hanging deck open state that is in inclination hovering, and ventilation is not
It is obstructed.When by impact wave impact, hanging deck upper end is axis, and lower end is fitted closely close to valve surface with valve surface, and closing is logical
Air holes, ventilation are obstructed.
However, this hanging deck type explosion blast proof movable door, after by explosion wave, stress is closed hanging deck before this, then may
Since the impact velocity between hanging deck and valve is excessive, hanging deck rebounds under valve surface reaction force, make closure hanging deck with
Gap is generated between valve, it is poorly sealed, cause shock wave to enter technical interior.
It is poorly sealed between hanging deck and valve to solve the problems, such as, a kind of Chinese utility model patent " hanging deck formula explosion-wave-preventing
Valve " (application number: 201620712754.4, publication date: 2016-12-07), which discloses one kind, prevents hanging deck from rebounding, and influences to seal
The hanging deck type explosion blast proof movable door of performance comprising door leaf with air hole is set on door leaf and is located above air hole
More fixed arms, upper end are articulated with the cursor of fixed arm, the hanging deck for covering air hole, are additionally provided on the door leaf
End face is connected to behind the hanging deck lower end surface for being oriented to the guide plate that the hanging deck slides towards the air hole, the guiding
Plate upper surface is equipped with the locating slot for hanging deck lower end insertion.It uses the upper end of cursor and the fixed hanging deck of fixed arm, leads
The lower end of hanging deck is limited to plate and limit plate, cursor lower end is connected on hanging deck after hanging deck closure and upper end is connected to fixed arm
On, hanging deck strikes door leaf posterior end and is embedded into locating slot, and upper end is compressed by cursor and fixed arm, after hanging deck closure
It will not rebound, achieve the effect that good seal performance after explosion wave prevention active door hanging deck closure.
However, the existing hanging deck type explosion blast proof movable door including above two all have the defects that it is common: it is
Engineering external impact wave enters technical interior and designs in order to prevent, positive pressure can only be resisted to impact, and does not have anti-negative pressure impact, prevents
The only ability of technical interior shock wave.With that can generate forward impact wave, can make technical interior pressure is more than personnel or equipment
Ability to bear, cause injuring for personnel or equipment, moreover it is possible to which reverse impact wave causes technical interior the temperature and pressure of underbalance effect occur
The appearance of bullet (also referred to as FAE. bomblet, air fuel explosive bomb, air fuel bullet etc.), existing hanging deck type explosion blast proof movable door is due to that can only resist just
Pressure impact is not resistant to negative pressure impact, it is difficult to cope with this kind of attack, seriously affect the fighting efficiency of civil air defense constructions and installations.
Summary of the invention
The purpose of this utility model is to provide a kind of two-way hanging deck type explosion blast proof movable doors, are not only resistant to positive pressure impact,
It is resistant to negative pressure impact, successfully manages warm induction attack, it is ensured that the fighting efficiency of civil air defense constructions and installations.
Realize the technical solution of the utility model aim are as follows:
A kind of two-way hanging deck type explosion blast proof movable door, including interior ventilating board 1, separate ventilation plate 2 and hanging deck 3, the interior ventilating board 1
Close to each other with 2 upper end of separate ventilation plate, lower end is located remotely from each other；It further include closed simultaneously with interior ventilating board 1 and 2 upper end of separate ventilation plate
Connected clinch 4, with interior ventilating board 1 and 2 lower end of separate ventilation plate connected bottom plate 5 closed simultaneously, and with interior ventilating board 1 and
2 two side ends of separate ventilation plate distinguish closed connected the first side plate 61 and the second side plate 62, the interior ventilating board 1, separate ventilation plate 2,
Clinch 4, bottom plate 5, the first side plate 61 and the second side plate 62 surround a cavity 7 jointly；The hanging deck 3 be located at interior ventilating board 1 with
Between separate ventilation plate 2,3 upper end of hanging deck hangs on 4 downside of clinch, 3 both ends of hanging deck and the first side plate 61, the second side plate 62
Inside is there are gap, and there are gaps with 5 upper surface of bottom plate for 3 lower end of hanging deck；The interior ventilating board 1 is equipped with ventilation at least one
Hole 11, separate ventilation plate 2 are equipped at least one separate ventilation hole 21, and the hanging deck 3 can completely enclose interior when being bonded with interior ventilating board 1
Ventilation hole 11 can completely enclose separate ventilation hole 21 when hanging deck 3 is bonded with separate ventilation plate 2.
Compared with prior art, the remarkable advantage of the utility model is:
1, it is resistant to positive pressure impact: when shock wave in engineering extroversion engineering by impacting, shock wave of the hanging deck 3 in ecto-entad
Under effect, inside ventilating board 1 is quickly swung, and is bonded with interior ventilating board 1, inner vent 11 is completely enclosed, and prevents impact wave direction
Anti- positive pressure impact is played the role of in diffusion in engineering；
2, it is resistant to negative pressure impact: when by from when the impact wave impact in engineering to outside engineering, hanging deck 3 is quickly flapped toward outer logical
Aerofoil 2 is bonded with separate ventilation plate 2, is completely enclosed separate ventilation hole 21, is prevented technical interior air excess from leaking；
3, simple and reliable for structure: only one moving component hanging deck of whole device, structure is simple, reliable for operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the two-way hanging deck type explosion blast proof movable door of the utility model, is shown in the figure swingable
State when hanging deck dangles naturally.
Fig. 2 is the structural schematic diagram of the two-way hanging deck type explosion blast proof movable door of the utility model, is shown in the figure swingable
State when hanging deck is impacted by positive pressure.
Fig. 3 is the structural schematic diagram of the two-way hanging deck type explosion blast proof movable door of the utility model, is shown in the figure swingable
State when hanging deck is impacted by negative pressure.
Fig. 4 is the structural schematic diagram of Fig. 1 interior ventilating board into Fig. 3.
Fig. 5 is the main view of two-way interior external-open hinge arrangement.
Fig. 6 is the side view of two-way interior external-open hinge arrangement.
Wherein: ventilating board in 1-, 11- inner vent, 2- separate ventilation plate, 21- separate ventilation hole, 3- hanging deck, 4- clinch, 5-
Bottom plate, the first side plate of 61-, the second side plate of 62-, 7- cavity, the two-way interior external-open hinge of 8-, 81- ventilating board interconnecting piece, 82- transition
Interconnecting piece, 83- hanging deck interconnecting piece, 84- hinged shaft.
Specific embodiment
For convenient for describing and understanding, fix tentatively herein explosion wave prevention active door towards the side outside engineering be it is outer, towards in engineering
The side in portion be it is interior, specific to practical application, be such as used for air inlet, then the side in face air inlet direction be outer, and expansion is entered the wind in connection
It is interior for dissipating room side.
As shown in Figure 1, 2, 3, the two-way hanging deck type explosion blast proof movable door of the utility model, including interior ventilating board 1, separate ventilation plate 2
With hanging deck 3, the interior ventilating board 1 and 2 upper end of separate ventilation plate are close to each other, and lower end is located remotely from each other；
Further include with interior ventilating board 1 and 2 upper end of separate ventilation plate connected clinch 4 closed simultaneously, with interior ventilating board 1 and outer
2 lower end of ventilating board closed connected bottom plate 5 simultaneously, and distinguish with interior ventilating board 1 and 2 two side ends of separate ventilation plate closed connected
First side plate 61 and the second side plate 62, the interior ventilating board 1, separate ventilation plate 2, clinch 4, bottom plate 5, the first side plate 61 and second
Side plate 62 surrounds a cavity 7 jointly；
For the hanging deck 3 between interior ventilating board 1 and separate ventilation plate 2,3 upper end of hanging deck hangs on 4 downside of clinch, described
There are gap on the inside of 3 both ends of hanging deck and the first side plate 61, the second side plate 62, there are gaps with 5 upper surface of bottom plate for 3 lower end of hanging deck；
The interior ventilating board 1 is equipped at least one inner vent 11, and separate ventilation plate 2 is equipped at least one separate ventilation hole
21, the hanging deck 3 can completely enclose inner vent 11 when being bonded with interior ventilating board 1, can be complete when hanging deck 3 is bonded with separate ventilation plate 2
Totally-enclosed separate ventilation hole 21.
The course of work of the utility model is as follows:
As shown in Figure 1, hanging deck 3 is dangled naturally due to gravity, air inlet when engineering is not attacked by shock wave
The gap between separate ventilation hole 21,3 both ends of hanging deck and lower end and cavity 7 is first passed through, is entered in engineering by inner vent 11.Row
General mood stream is contrary, repeats no more.
As shown in Fig. 2, the two-way hanging deck formula explosion-wave-preventing of the utility model is living when shock wave in engineering extroversion engineering by impacting
Door bears positive pressure impact.
At this point, upper end hangs on the hanging deck 3 of 4 downside of clinch under the shock wave of ecto-entad, inside ventilating board 1
Quickly swing, is bonded with interior ventilating board 1, inner vent 11 is completely enclosed, and prevents diffusion in impact wave direction engineering, plays and prevent just
Press the effect of impact.
When engineering can be generated the weapon attacking of underbalance effect by such as warm induction etc, had before this shock wave by engineering outside
It is impacted into engineering, the course of work of the two-way hanging deck type explosion blast proof movable door of the utility model is as described above.
As shown in figure 3, can then generate from the shock wave in engineering to outside engineering, i.e. underbalance effect.At this point, hanging deck 3 by
It is bonded then separates with interior ventilating board 1, and be further quickly flapped toward separate ventilation plate 2, be bonded with separate ventilation plate 2, completely enclosed outer
Ventilation hole 21 prevents technical interior air excess from leaking.
Preferably, the outer subtended angle of the interior ventilating board 1 can be 8 °~30 °.
The outer subtended angle of the separate ventilation plate 2 is 8 °~30 °.
Consider from good processing performance and utilization interchangeability, separate ventilation plate 2 it is identical as the outer subtended angle of interior ventilating board 1 can compared with
Favorably.
But in view of between the positive pressure impact that according to attack weapon performance, hanging deck type explosion blast proof movable door is subject to and negative pressure impact
Pressure difference can be bigger, usual negative pressure be less than positive pressure, for guarantee hanging deck 3 can be pasted very well with separate ventilation plate 2, interior ventilating board 1
It closes, the outer subtended angle of separate ventilation plate 2 should be less than the outer subtended angle of interior ventilating board 1.
By experiment and simulation study discovery, when about half for the outer subtended angle that the outer subtended angle of separate ventilation plate 2 is interior ventilating board 1
When, there is good bidirectional explosion-proof effect effect.
Fig. 4 is the structural schematic diagram of interior ventilating board.To simplify processing technology, production cost is reduced, separate ventilation plate 2 leads to interior
1 structure of aerofoil is same or similar as far as possible.
Preferably, 3 upper end of hanging deck hangs on 4 downside of clinch by multiple two-way interior external-open hinges 8.
The hinge member 8, which can also play, assists swingable hanging deck after by forward impact or reverse impact, can
Restore to intermediate position, without direct collision to other ventilating board.
As shown in Figure 5,6, the hinge 8 of the two-way interior external-open hinge arrangement, including for connecting interior ventilating board 1 and outer logical
The ventilating board interconnecting piece 81 of aerofoil 2, for connecting the hanging deck interconnecting piece 83 of hanging deck 3, and for connecting ventilating board interconnecting piece 81
Wherein transition connection portion 82 connects ventilating board connection by a hinged shaft 84 respectively with the transition connection portion 82. of hanging deck interconnecting piece 83
Portion 81 and hanging deck interconnecting piece 83.By the ventilating board interconnecting piece 81 and hanging deck interconnecting piece of ventilating board interconnecting piece 81 and hanging deck interconnecting piece 83
83 are fixed on interior ventilating board 1 and separate ventilation plate using fastening connection piece bolt, screw connection component and rivet, pumping nail etc. respectively
2, hanging deck realizes the intermediate position that hanging deck 3 is rotatably connected to interior ventilating board 1 and separate ventilation plate 2, and using effect is preferable,
Service life is longer.
As another preferred solution, the inner vent 11, separate ventilation hole 21 are close equipped with divulging information towards 3 side outer of hanging deck
Strip of paper used for sealing 9.This structure advantageously ensures that being bonded for hanging deck 3 and inside and outside ventilating board 1,2, reinforces to inner vent 11, separate ventilation hole
21 sealing improves the ability of anti-positive and negative pressure shock wave.
The shape of bottom plate 5 can there are many selections, and both can be an entirety, can also be dismountable multi-section and are grouped as,
It is tightly connected between each section, in order to the maintenance of hanging deck 3 in cavity 7.
Preferably, the bottom plate 5 is arc-shaped along the section of airflow direction, or in downward projection of shape of taking out stitches.
This structure is advantageous in that the height that can increase hanging deck 3 as far as possible, i.e. increase inner vent 11, separate ventilation hole 21
Installation space, to increase ventilation quantity.To increase the nominal air delivery of single valve.
Clinch 4 can be individual component and be also possible in order to process and connect with other components by interior ventilating board
1 is directly formed by fixedly connecting with 2 upper end of separate ventilation plate.So as to simplify global facility quantity, cost is reduced.
Claims (8)
1. a kind of two-way hanging deck type explosion blast proof movable door, it is characterised in that:
Including interior ventilating board (1), separate ventilation plate (2) and hanging deck (3), the interior ventilating board (1) and separate ventilation plate (2) upper end are mutual
Close, lower end is located remotely from each other；
Further include and interior ventilating board (1) and separate ventilation plate (2) upper end while closed connected clinch (4) and interior ventilating board (1)
With separate ventilation plate (2) lower end closed connected bottom plate (5) simultaneously, and divide with interior ventilating board (1) and separate ventilation plate (2) two side ends
Not closed connected the first side plate (61) and the second side plate (62), the interior ventilating board (1), separate ventilation plate (2), clinch (4),
Bottom plate (5), the first side plate (61) and the second side plate (62) surround a cavity (7) jointly；
Between interior ventilating board (1) and separate ventilation plate (2), hanging deck (3) upper end is hung under clinch (4) hanging deck (3)
There are gap, hanging deck (3) lower end and bottom plates on the inside of side, hanging deck (3) both ends and the first side plate (61), the second side plate (62)
(5) there are gaps for upper surface；
The interior ventilating board (1) is equipped at least one inner vent (11), and separate ventilation plate (2) is equipped at least one separate ventilation
Hole (21), the hanging deck (3) can completely enclose inner vent (11) when being bonded with interior ventilating board (1), hanging deck (3) and separate ventilation plate
(2) separate ventilation hole (21) can be completely enclosed when being bonded.
2. two-way hanging deck type explosion blast proof movable door according to claim 1, it is characterised in that:
The outer subtended angle of the interior ventilating board (1) is 8 °~30 °.
3. two-way hanging deck type explosion blast proof movable door according to claim 1 or 2, it is characterised in that:
The outer subtended angle of the separate ventilation plate (2) is 8 °~30 °.
4. two-way hanging deck type explosion blast proof movable door according to claim 1, it is characterised in that:
Hanging deck (3) upper end is hung on the downside of clinch (4) by multiple two-way interior external-open hinges (8).
5. two-way hanging deck type explosion blast proof movable door according to claim 1, it is characterised in that:
The inner vent (11), separate ventilation hole (21) are equipped with vent seal item (9) towards hanging deck (3) side outer.
6. two-way hanging deck type explosion blast proof movable door according to claim 1, it is characterised in that:
The bottom plate (5) is arc-shaped along the section of airflow direction.
7. two-way hanging deck type explosion blast proof movable door according to claim 1, it is characterised in that:
The bottom plate (5) is in downward projection of shape of taking out stitches along the section of airflow direction.
8. two-way hanging deck type explosion blast proof movable door according to claim 1, it is characterised in that:
The clinch (4) is directly formed by fixedly connecting by interior ventilating board (1) and separate ventilation plate (2) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843180.XU CN209398268U (en) | 2018-11-09 | 2018-11-09 | Two-way hanging deck type explosion blast proof movable door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843180.XU CN209398268U (en) | 2018-11-09 | 2018-11-09 | Two-way hanging deck type explosion blast proof movable door |
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| Publication Number | Publication Date |
|---|---|
| CN209398268U true CN209398268U (en) | 2019-09-17 |
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ID=67879897
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821843180.XU Active CN209398268U (en) | 2018-11-09 | 2018-11-09 | Two-way hanging deck type explosion blast proof movable door |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022660A (en) * | 2020-01-06 | 2020-04-17 | 高仁超 | Thermal insulation breather valve |
| CN111173423A (en) * | 2018-11-09 | 2020-05-19 | 长沙新金龙人防工程股份有限公司 | Bidirectional suspension plate type explosion-proof wave valve |
| CN112943060A (en) * | 2021-02-19 | 2021-06-11 | 山西聚脲防护材料有限公司 | Double-deck antiknock window convenient to installation |
-
2018
- 2018-11-09 CN CN201821843180.XU patent/CN209398268U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173423A (en) * | 2018-11-09 | 2020-05-19 | 长沙新金龙人防工程股份有限公司 | Bidirectional suspension plate type explosion-proof wave valve |
| CN111022660A (en) * | 2020-01-06 | 2020-04-17 | 高仁超 | Thermal insulation breather valve |
| CN112943060A (en) * | 2021-02-19 | 2021-06-11 | 山西聚脲防护材料有限公司 | Double-deck antiknock window convenient to installation |
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