CN109138775A - Explosion-proof type maintenance door - Google Patents
Explosion-proof type maintenance door Download PDFInfo
- Publication number
- CN109138775A CN109138775A CN201710509270.9A CN201710509270A CN109138775A CN 109138775 A CN109138775 A CN 109138775A CN 201710509270 A CN201710509270 A CN 201710509270A CN 109138775 A CN109138775 A CN 109138775A
- Authority
- CN
- China
- Prior art keywords
- door
- explosion
- proof type
- stomata
- type maintenance
- 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.)
- Pending
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 3
- 241000486679 Antitype Species 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 8
- 208000014674 injury Diseases 0.000 abstract description 8
- 238000005474 detonation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
Classifications
-
- 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
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
-
- 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
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The present invention relates to a kind of explosion-proof type maintenance doors, it includes the inside door automatically turned on when inside and outside two sides pressure difference is more than setting value, inside door is equipped with the stomata of setting diameter, a resilient plug is equipped in stomata, stomata includes the inside taper hole and neighbouring extraneous outside taper hole of adjacent conduit, the macropores of described two taper holes respectively outwardly and aperture is connected, the plug wall of resilient plug and the hole wall of stomata seal and cooperate, and during pressure rise on the inside of explosion-proof type maintenance door, resilient plug is suitable for popping up before inside door unlatching;Stomata in the explosion-proof type maintenance door can generate buzzer, surrounding people is reminded to withdraw around explosion-proof type maintenance door rapidly before inside door is turned on or drop to the ground on the spot, so that a large amount of hot air-flows for avoiding the inside door of subsequent unlatching and ejecting from the inside door after unlatching generate injury to the personnel of surrounding.
Description
Technical field
The present invention relates to a kind of explosion-proof type maintenance doors, can be to fluid generating in pipeline liquid injecting device, beyond normal pressure
Carry out pressure release.
Background technique
On pipeline, it is explosion-proof to be typically necessary installation where inflammable and explosive gas or blending agent fluid comprising gas
Type maintenance door.When gas explosion or other factors occurring in pipeline and generate the pressure beyond arm's length standard, air pressure can make pipe
Road is burst, so that pipeline be made to be damaged and have an impact safely to life.After explosion-proof type maintenance door is installed in pipeline, when
When pressure in pipeline is greater than the set value, explosion-proof type maintenance door can open suddenly, so that the pressure in pipeline be released, protect
Pipeline prevents pipeline from bursting the life damage of generation.Under normal circumstances, explosion-proof type maintenance door be arranged in personnel can not reach it is non-
Working region, can reduce in this way explosion-proof type maintenance door in unexpected open, door cover plate pop-up probability is injured caused by personnel.
But when the surrounding for having personnel to appear in explosion-proof type maintenance door, the pop-up of explosion-proof type maintenance door still can generate injury to personnel,
Therefore such set-up mode cannot absolutely prevent the generation of injury accident.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of explosion-proof type maintenance doors, can be further reduced explosion-proof type inspection
When repairing pop-up, to the injury probability of surrounding people.
In order to solve the above technical problem, the present invention provides a kind of explosion-proof type maintenance doors comprising: when inside and outside two side pressure
The inside door that difference automatically turns on when being more than setting value, inside door are equipped with the stomata of setting diameter, are equipped with a resilient plug, stomata in stomata
Inside taper hole and neighbouring extraneous outside taper hole including adjacent conduit, the macropore of described two taper holes distinguish aperture phase outwardly
Even, the plug wall of resilient plug and the hole wall of stomata seal and cooperate, during pressure rise on the inside of explosion-proof type maintenance door, resilient plug
Suitable for being popped up before inside door is opened.
The inside and outside side wall of described two taper hole coaxial lines and the axis perpendicular to inside door.
The conical surface length of inside taper hole is less than the conical surface length of outside taper hole.
The inside door is set on external door, and external door is rotatably assorted by door hinge and its doorframe, and unlatching is additionally provided on doorframe
External door closes external door and makes the door locking device of itself and doorframe sealing.
The door locking device includes the door lock hinge being oppositely arranged on doorframe, with door hinge, and one end of locking bar and door lock are cut with scissors
The other end of chain link, locking bar has been threadedly engaged turntable, and the external door of neighbouring locking bar is equipped with hasp, and locking bar is suitable for cutting with scissors by door lock
Chain is rotated and is entered relative to doorframe in the notch of hasp.
Compared with the existing technology, what the present invention had has the technical effect that
1) the explosion-proof type maintenance door is using the resilient plug in the stomata of setting diameter, when in the pipeline of explosion-proof type maintenance door connection
When detonation occurs, conduction to the air pressure on inside door can be such that resilient plug is ejected first, and gas when taper stomata by that can generate
Buzzer.The buzzer can remind surrounding people, make surrounding people before inside door is turned on rapidly from explosion-proof type maintenance door
Surrounding withdraws or drops to the ground on the spot, thus a large amount of toasts for avoiding the inside door of subsequent unlatching and ejecting from the inside door after unlatching
Thermal current generates injury to the personnel of surrounding.The macropores of two taper holes in stomata respectively outwardly and aperture is connected, bullet can be made
Property plug be placed therein after, its stability be improved, when the air pressure in pipeline is located in normal range of operation, resilient plug not
Easily fallen from stomata.
2) two taper hole coaxial lines in the stomata and axis is perpendicular to the inside and outside side wall of inside door, make two taper holes
Total length it is smaller, the length of matched resilient plug is also smaller, makes the contact area between resilient plug and air vent wall and rubs
It is smaller to wipe power, thus pop up resilient plug more easily from stomata, when the inside of inside door is acted on by detonation pressure, the bullet
Property plug can pop up earlier, so that surrounding people be enable to receive the early warning of buzzer earlier, the personnel of increasing withdraw or crouch
Reaction time.
3) conical surface length of inside taper hole is less than the conical surface length of outside taper hole, makes the contact surface of inside taper hole and resilient plug
Product is less than the contact area of outside taper hole and resilient plug, so that the frictional resistance that resilient plug moves from the inside to the outside is reduced,
Increase the frictional resistance that resilient plug moves from the outside to the inside.After pressure rise in pipeline, it is easier to make resilient plug to
Outside pop-up, pops up resilient plug earlier, increases the reaction time of personnel.The personnel misoperation in outside can be prevented simultaneously
And resilient plug is pushed into explosion-proof type maintenance door with hand.
4) inside door is set on external door, and external door can be turned on or off by door locking device, so that external door and inside door weight
Folded setting, external door open after can personnel easy to repair enter, pipeline is overhauled, and inside door plays explosion-proof, compares
Distinguish installation and repairing door and explosion-proof type maintenance door in the prior art, it is possible to reduce the quantity of door, to reduce pipeline gas leakage
Probability decreases the cost of installation and arrangement.
5) it is matched using locking bar with hasp, turntable, the better tightness between external door and doorframe, external door and door can be made
It connects stronger between frame, makes external door in the impact by pipeline exploding gas, is not destroyed.
Detailed description of the invention
In order to clearly illustrate the innovative principle of the present invention and its technical advantage compared to the existing product, below by way of attached
Figure illustrates possible embodiment by the non-limiting example of the application principle.In figure:
Fig. 1 is the front view of explosion-proof type maintenance door of the invention;
Fig. 2 is the top view of explosion-proof type maintenance door of the invention;
Fig. 3 is the sectional view after stomata of the invention is combined with resilient plug;
Fig. 4 is the sectional view of stomata of the invention;
Fig. 5 is the sectional view after resilient plug deformation of the invention;
Fig. 6 is the sectional view of resilient plug of the invention in the raw.
Specific embodiment
As shown in figures 1 to 6, the explosion-proof type maintenance door in the present invention, including doorframe 1, external door 2, door hinge 3, turntable 4, door lock
Wall 101 is filled in hinge 5, hasp 6, locking bar 7, locking gasket 8, inside door 9, resilient plug 10, inside, and wall 102, spill position are filled in outside
103, stomata 11, inside taper hole 111, outside taper hole 112.
The lateral wall on 1 the right of doorframe is equipped with a pair of of door hinge 3, and external door 2 matches door hinge 3 and the rotation of doorframe 1 by this
It closes, the lateral wall on 1 left side of doorframe is equipped with a pair of of door lock hinge 5, and each door lock hinge 5 is connect with one end of locking bar 7 respectively, lock
Multiple locking gaskets 8 are arranged on bar 7, locking bar 7 is suitable for rotating by the door lock hinge 5 around the left side of doorframe 1, locking bar 7
The other end one turntable 4 is combined with by threads turn, the left side edge of external door 2 is fixed with a pair of of hasp 6, on each hasp 6
A U-lag mouth is offered respectively, and outwardly, this corresponds hasp 6 and above-mentioned a pair of of locking bar 7 to the opening of U-lag, when external door 2
After closing, each locking bar 7 around door lock hinge 5 rotate and be suitable for be caught in the U-lag mouth of corresponding hasp 6.Then, turntable 4 is rotated,
Turntable 4 drives locking gasket 8 to be pressed against the outer surface of hasp 6, to lock and seal external door 2 with doorframe 1.Using above-mentioned
Locking bar 7, hasp 6 and turntable 4 carry out the opening and closing of external door 2, so that external door 2 can be used in the disengaging of personnel.When explosion-proof
When type maintenance door is set on pipeline, the external door 2 can personnel easy to repair enter and carry out upkeep operation in pipeline.
The external door 2 is equipped with a circular inside door 9, and inside door 9 is the pressure port that a fan can automatically turn on, when in pipeline
Pressure be lower than setting value when, which is in closed state.When the pressure in pipeline is higher than the setting value that inside door 9 is opened,
It is ejected including the inside door 9, under the action of external pressure difference, to protect the safety of pipeline.
The inside door 9 is equipped with multiple stomatas 11, the section of each stomata as shown in figure 4, each stomata 11 by inboard cone
Hole 111 and outside taper hole 112 form, and two taper holes are all conical bores, their coaxial lines and axis is perpendicular to inside door 9
Inside and outside side wall, the macropore of two taper holes respectively outwardly and aperture is connected, the position that the two is connected forms a minimum diameter hole
113.Wherein, the conical surface length of inside taper hole 111 is less than the conical surface length of outside taper hole 112.
A resilient plug 10 is respectively equipped in each stomata 11, which is made of rubber elastomeric material, circular cone
The section of 10 nature of resilient plug of shape is as shown in Figure 6.When resilient plug 10 is filled in corresponding stomata 11, resilient plug 10 occur
Deformation, section configuration as shown in figure 5, its section configuration includes inside plug wall 101, outside plug wall 102 and spill position 103,
Wall 101 is filled in inside and the wall surface of inside taper hole 111 seals cooperation, and wall 102 is filled in outside and the wall surface sealing of outside taper hole 112 is matched
It closes, the wall surface of spill position 103 and minimum diameter hole 113, which seals, to be cooperated.The inside and outside two sides of resilient plug 10 respectively with inside door 9
Inside and outside two sidewalls it is concordant.
After detonation occurs for the gas in pipeline, the pressure in pipeline can gradually be conducted to explosion-proof type maintenance door, explosion-proof
Air pressure in type maintenance door can gradually rise.When the pressure in explosion-proof type maintenance door is small more than the setting value that resilient plug 10 pops up
When the setting value that inside door 9 is opened, resilient plug 10 is ejected, and a part of pressed gas is quickly flowed out from each stomata 11, gas
When entering inside taper hole 111 from inside, air flue is become narrow gradually, and gas pressure becomes larger, flow velocity becomes faster;When gas passes through minimum diameter
When entering outside taper hole 112 behind hole 113, air flue gradually broadens, and gas pressure becomes smaller, flow velocity is slack-off, and gas is occurring above-mentioned two
It can be vibrated during a air pressure change, to generate buzzer.Since resilient plug 10 is made of flexible materials such as rubber,
So when its pop-up injury will not be generated to surrounding people.The diameter of the stomata 11 of design is restricted, and is sprayed from each stomata 11
A small amount of gas out will not generate injury to surrounding people.
As the pressure in explosion-proof type maintenance door gradually rises, when the pressure in explosion-proof type maintenance door is opened more than inside door 9
Setting value when, inside door 9 is by the opened by pressure of gas, and pressed gas or fluid in pipeline release from the inside door 9, thus fast
Speed reduces the pressure in pipeline, protects the safety of pipeline.
Above-mentioned buzzer can remind surrounding people, examine surrounding people from explosion-proof type rapidly before inside door 9 is turned on
It repairs and withdraws around door or drop to the ground on the spot, to avoid the inside door 9 opened and be ejected from the inside door 9 after unlatching big
It measures hot air-flow and injury is generated to the personnel of surrounding.
The conical surface length of above-mentioned inside taper hole 111 is less than the conical surface length of outside taper hole 112, makes inside taper hole 111 and bullet
Property plug 10 contact area be less than outside taper hole 112 and resilient plug 10 contact area, to reduce resilient plug 10 by inside
The frictional resistance moved outward increases the frictional resistance that resilient plug 10 moves from the outside to the inside.Therefore, when in pipeline
After pressure rise, it is easier to pop up resilient plug 10 outward.It is also possible to prevent the personnel misoperation in outside simultaneously and is incited somebody to action with hand
Resilient plug 10 is pushed into explosion-proof type maintenance door.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to implementation of the invention
The restriction of mode.For those of ordinary skill in the art, can also make on the basis of the above description it is other not
With the variation or variation of form.There is no necessity and possibility to exhaust all the enbodiments.And these belong to it is of the invention
The obvious changes or variations that spirit is extended out are still in the protection scope of this invention.
Claims (5)
1. a kind of anti-type overhauls quick-fried door, characterized by comprising: in being automatically turned on when inside and outside two sides pressure difference is more than setting value
Door (9), inside door (9) are equipped with the stomata (11) of setting diameter, are equipped with a resilient plug (10) in stomata (11), stomata (11) includes
The inside taper hole (111) of adjacent conduit and neighbouring extraneous outside taper hole (112), the macropore of described two taper holes respectively outwardly and
Aperture is connected, and the plug wall of resilient plug (10) and the hole wall of stomata (11) seal and cooperate, the pressure liter on the inside of explosion-proof type maintenance door
During height, resilient plug (10) be suitable for inside door (9) open before pop up.
2. explosion-proof type maintenance door according to claim 1, it is characterised in that: described two taper hole coaxial lines and the axis
Perpendicular to the inside and outside side wall of inside door (9).
3. explosion-proof type maintenance door according to claim 2, it is characterised in that: the conical surface length of inside taper hole (111) is less than
The conical surface length of outside taper hole (112).
4. explosion-proof type maintenance door according to claim 3, it is characterised in that: the inside door (9) is set on external door (2),
External door (2) is rotatably assorted by door hinge (3) with its doorframe (1), is additionally provided on doorframe (1) and is opened external door (2) or closing external door
(2) and make the door locking device of itself and doorframe (1) sealing.
5. explosion-proof type maintenance door according to claim 4, it is characterised in that: the door locking device includes on doorframe (1), with
One end of the door lock hinge (5) that door hinge (3) is oppositely arranged, locking bar (7) is connect with door lock hinge (5), the other end of locking bar (7)
Turntable (4) are threadedly engaged, the external door (2) of neighbouring locking bar (7) is equipped with hasp (6), and locking bar (7) is suitable for passing through door lock hinge
(5) it rotates and enters in the notch of hasp (6) relative to doorframe (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710509270.9A CN109138775A (en) | 2017-06-28 | 2017-06-28 | Explosion-proof type maintenance door |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710509270.9A CN109138775A (en) | 2017-06-28 | 2017-06-28 | Explosion-proof type maintenance door |
Publications (1)
Publication Number | Publication Date |
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CN109138775A true CN109138775A (en) | 2019-01-04 |
Family
ID=64803452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710509270.9A Pending CN109138775A (en) | 2017-06-28 | 2017-06-28 | Explosion-proof type maintenance door |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3002729B1 (en) * | 1998-10-16 | 2000-01-24 | 防衛庁技術研究本部長 | Lid stopper |
CN2668874Y (en) * | 2003-11-03 | 2005-01-05 | 施宗荣 | Engine air-flowing auxiliary reinforcing device |
CN2750754Y (en) * | 2004-09-27 | 2006-01-11 | 汤超 | Kettle |
CN201048856Y (en) * | 2007-06-08 | 2008-04-23 | 新兴县金骏不锈钢制品有限公司 | Sounding tip cover for kettle |
CN103306704A (en) * | 2013-06-09 | 2013-09-18 | 山东科技大学 | Vertical ventilating shaft anti-explosion door and method for relieving pressure safely and performing ventilation quickly by using door |
CN203536491U (en) * | 2013-09-26 | 2014-04-09 | 王文林 | Safety valve of power battery |
CN205605016U (en) * | 2016-04-06 | 2016-09-28 | 巢湖学院 | Earthquake emergency exits |
CN206888855U (en) * | 2017-06-28 | 2018-01-16 | 李国栋 | A kind of explosion-proof type maintenance door |
-
2017
- 2017-06-28 CN CN201710509270.9A patent/CN109138775A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3002729B1 (en) * | 1998-10-16 | 2000-01-24 | 防衛庁技術研究本部長 | Lid stopper |
CN2668874Y (en) * | 2003-11-03 | 2005-01-05 | 施宗荣 | Engine air-flowing auxiliary reinforcing device |
CN2750754Y (en) * | 2004-09-27 | 2006-01-11 | 汤超 | Kettle |
CN201048856Y (en) * | 2007-06-08 | 2008-04-23 | 新兴县金骏不锈钢制品有限公司 | Sounding tip cover for kettle |
CN103306704A (en) * | 2013-06-09 | 2013-09-18 | 山东科技大学 | Vertical ventilating shaft anti-explosion door and method for relieving pressure safely and performing ventilation quickly by using door |
CN203536491U (en) * | 2013-09-26 | 2014-04-09 | 王文林 | Safety valve of power battery |
CN205605016U (en) * | 2016-04-06 | 2016-09-28 | 巢湖学院 | Earthquake emergency exits |
CN206888855U (en) * | 2017-06-28 | 2018-01-16 | 李国栋 | A kind of explosion-proof type maintenance door |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |
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RJ01 | Rejection of invention patent application after publication |