CN208966184U - A kind of airtight blast door - Google Patents
A kind of airtight blast door Download PDFInfo
- Publication number
- CN208966184U CN208966184U CN201821202370.3U CN201821202370U CN208966184U CN 208966184 U CN208966184 U CN 208966184U CN 201821202370 U CN201821202370 U CN 201821202370U CN 208966184 U CN208966184 U CN 208966184U
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- Prior art keywords
- door body
- groove
- frame
- protection door
- rubber ring
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Abstract
The utility model discloses a kind of airtight blast doors, it is related to Technology for Civil Air Defence Projects field, including protection door body and doorframe, protect door body hinged with doorframe on one side, door lock is provided in protection door body, protective door body outer wall offers first groove of circle, doorframe inner wall offers the second groove of a circle and the cooperation of the first groove, hollow rubber ring is provided in first groove, rubber ring is equipped with air inlet, and air inlet is set to rubber ring and reclines the first groove side, air inlet is connected with air inlet pipe, the air inlet pipe other end passes through outside protection door body and is connected with check valve.When wartime situation occurs, people are entered in bomb shelter by opening protection door body, and close protection door body, gas is filled with into rubber ring by check valve, rubber ring expands outward and is respectively filled with the first groove and the second groove and generates extruding force to the first groove and the second groove, and the gap protected between door body and doorframe at this time is completed to seal by rubber ring.
Description
Technical field
The utility model relates to Technology for Civil Air Defence Projects fields, more specifically, it relates to a kind of airtight blast door.
Background technique
Civil air defense constructions and installations, that is, Civil building basement engineering, is also civil air defense works, refers to ensure that wartime personnel cover with goods and materials
Cover, the wartime that people's air defence commander, medical aid and the underground protective structure individually built and combined ground building are built can
Basement for air defense.Closed guard gate is to belong to civil defence safeguard, and as its name suggests, closed guard gate is exactly that people's protection works enter and leave
The door of mouth.
Due to the particularity of civil air defense projects, the sealing performance of used safeguard such as closed guard gate is most important,
And the people's air defense door sealing structure in currently available technology is relative complex, and sealing intensity is not high, is easy to produce dead angle, so as to cause
Leakage phenomenon occurs.
Utility model content
In view of the deficienciess of the prior art, having the purpose of this utility model is to provide a kind of airtight blast door
Fully sealing effect and the simple feature of structure.
To achieve the above object, the utility model provides following technical solution:
A kind of airtight blast door, including protection door body and doorframe, the protection door body is hinged with the doorframe on one side,
Door lock is provided in the protection door body, the protective door body outer wall offers first groove of circle, the doorframe inner wall
The second groove of a circle and first groove cooperation is offered, is provided with hollow rubber ring in first groove, it is described
Rubber ring is equipped with air inlet, and the air inlet is set to the rubber ring and reclines first groove side, and the air inlet connects
It is connected to air inlet pipe, the air inlet pipe other end passes through outside the protection door body and is connected with check valve.
By using above-mentioned technical proposal, when wartime situation occurs, people enter bomb shelter by opening protection door body
It is interior, and protection door body is closed, the first groove is connected to the second groove at this time, and gas is filled with into rubber ring by check valve at this time
Body, for rubber ring since internal gas pressure intensity acts on, rubber ring expands outward and is respectively filled with the first groove and the second groove simultaneously
Extruding force is generated to the first groove and the second groove, the gap protected between door body and doorframe at this time is completed close by rubber ring
Envelope, plays the air circulation between isolated protection door body two sides, plays sealing effect well, and this structure is simple, grasps
Facilitate.
Further, the rubber ring is connected with exhaust outlet, and the exhaust outlet is set to the rubber ring and reclines described the
One groove side, the exhaust outlet are connected with exhaust pipe, and the exhaust pipe other end is passed through outside the protection door body and connected
There is automatic exhaust steam valve.
By using above-mentioned technical proposal, rubber ring is inflated by check valve, by automatic exhaust steam valve to rubber
Circle is exhausted, simultaneously because the setting of automatic exhaust steam valve itself, can guarantee the pressure value in rubber ring in automatic exhaust steam valve
Setting value at, guarantee protection door body and doorframe between leakproofness and rubber ring stability.
Further, placing groove is offered in the protection door body, the placing groove is located at the protection door body and leans on
Nearly bomb shelter side is provided with inflator in the placing groove, and the inflator is connect with the check valve, the protective door sheet
It is also rotatably connected on body for covering the cover board for closing the placing groove.
By using above-mentioned technical proposal, when needing to be inflated rubber ring, rubber ring is carried out by inflator
Pressurization, the setting of cover board can block placing groove.
Further, the doorframe is stepped, including biggish first frame of inner wall size and inner wall size lesser
Two frames, wherein the inner wall size of first frame is identical as the protective door body outer wall size, second groove is set to institute
It states on the first frame.
By using above-mentioned technical proposal, doorframe includes the first frame and the second frame, wherein protection door body and the first frame into
Row is equipped with, and when closing protection door body, protective door body outer wall is bonded with the first frame inner wall, and leans on protective plate ontology
Nearly second frame, one side surface portion can be fitted in the second frame surface, further improve the sealing effect of the two.
Further, the protective door body thickness is identical as the first frame thickness, and second frame is close to described
Protection door body side is embedded with multiple magnet, and the magnet surface is flushed with second frame surface, the protection door body
One side surface of the second frame that reclines is embedded with multiple with the one-to-one iron plate of the magnet, the iron plate and first frame
Surface flushes.
By using above-mentioned technical proposal, iron plate is set in protection door body, magnet is set on the second frame, so that
When protection door body is in close state, due to the suction-operated between magnet and iron plate, enable protection door body complete
It is bonded with the completion of the second frame, also improves sealing effect while playing automatic locking.
Further, the protective door body thickness is identical as the first frame thickness, and second frame is close to described
Protection door body side is embedded with multiple magnet, and the magnet surface is flushed with second frame surface, the protection door body
One side surface of the second frame that reclines is embedded with multiple with the one-to-one iron plate of the magnet, the iron plate and first frame
Surface flushes.
By using above-mentioned technical proposal, iron plate is set in protection door body, magnet is set on the second frame, so that
When protection door body is in close state, due to the suction-operated between magnet and iron plate, enable protection door body complete
It is bonded with the completion of the second frame, also improves sealing effect while playing automatic locking.
Further, the protective door body surface is provided with handle.
In conclusion the utility model has the following beneficial effects:
1, it by the first groove of setting, the second groove and rubber ring, plays and obtains protective door by inflating to rubber ring
The effect sealed between ontology and doorframe；
2, by setting automatic exhaust steam valve, the effect of pressure in control rubber ring is played；
3, by setting the first frame and the second frame for doorframe, and it is embedded sealing ring on the second frame, it is anti-plays sealing
Protect the effect between door body and doorframe；
4, by the way that magnet is arranged on the second frame and iron plate is arranged in protection door body, supplemental protective door body is played
The effect being bonded completely with the second frame.
Detailed description of the invention
Fig. 1 is a kind of detonation configuration schematic cross-sectional view of the airtight blast door of embodiment provided by the utility model；
Fig. 2 is the enlarged structure schematic diagram in the portion A in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram in the portion B in Fig. 1；
Fig. 4 is a kind of overall structure diagram of the airtight blast door of embodiment provided by the utility model.
In figure: 1, protecting door body；11, door lock；12, the first groove；13, placing groove；14, cover board；15, iron plate；16,
Hand；2, doorframe；21, the first frame；211, the second groove；22, the second frame；221, magnet；222, annular groove；3, rubber ring；4, single
To valve；5, automatic exhaust steam valve；6, inflator；7, sealing ring.
Specific embodiment
Embodiment:
The utility model is described in further detail below in conjunction with attached drawing 1-4.
A kind of airtight blast door, as shown in Figs 1-4, including protection door body 1 and doorframe 2, doorframe 2 is rectangular, protection
1 outer wall size of door body is identical as the inner wall size of doorframe 2, and protection 1 one side of door body is hinged with doorframe 2, protects in door body 1
It is provided with door lock 11, protection 1 outer wall of door body offers first groove of circle 12, and 2 inner wall of doorframe offers a circle and first recessed
The second groove 211 that slot 12 cooperates, the width and depth of the first groove 12 and the second groove 211 are all the same, when protection door body 1
In the closure state, the first groove 12 is aligned and is connected to the second groove 211, is provided with hollow rubber in the first groove 12
Circle 3, rubber ring 3 is equipped with air inlet, and air inlet is set to rubber ring 3 and reclines 12 side of the first groove, and air inlet is connected with air inlet
Pipe, the air inlet pipe other end pass through outside protection door body 1 and are connected with check valve 4.Check valve 4 is located at protection door body 1 close to anti-
Empty side, hides convenient for the people and uses behind bomb shelter.
Rubber ring 3 is connected with exhaust outlet, and exhaust outlet is set to rubber ring 3 and reclines 12 side of the first groove, exhaust outlet connection
There is exhaust pipe, the exhaust pipe other end passes through outside protection door body 1 and is connected with automatic exhaust steam valve 5.To the setting of automatic exhaust steam valve 5 one
A pressure value, so that during to 3 inflating pressure of rubber ring, when the pressure in rubber ring 3 is greater than the setting of automatic exhaust steam valve 5
When value, automatic exhaust steam valve 5 can be vented automatically, guaranteed that the pressure value of rubber ring 3 guarantees at setting value, both be can guarantee protective door
Leakproofness between ontology 1 and doorframe 2, and can guarantee the stability of rubber ring 3, it is not in the excessive damage rubber ring 3 of pressure
The case where.
Placing groove 13 is offered in protection door body 1, placing groove 13 is located at protection door body 1 close to bomb shelter side, puts
It sets and is provided with inflator 6 in slot 13, inflator 6 is connect with check valve 4, is protected in door body 1 to be also rotatably connected to and be closed for covering
The cover board 14 of placing groove 13.It is connected between inflator 6 and check valve 4 by gas tube, wherein side offers opening to cover board 14
Slot, so that open slot is passed through for gas tube when the lid of cover board 14 is closed in placing groove 13, the lid that will not influence cover board 14 is closed.It inflates
Cylinder 6 is manual pump 6 or electric inflator 6, when inflator 6 is electric inflator 6, is additionally provided with storage in placing groove 13
Battery, battery are electrically connected with electric inflator 6.
Doorframe 2 is stepped, including biggish first frame 21 of inner wall size and lesser second frame 22 of inner wall size, and first
Frame 21 is identical as the outer wall size of both the second frames 22, and the two is integrally formed, wherein the first frame 21 more connects compared to the second frame 22
Nearly bomb shelter, wherein the inner wall size of the first frame 21 is identical as protection 1 outer wall size of door body, the second groove 211 is set to first
On frame 21.
Protect 1 thickness of door body identical as 21 thickness of the first frame, and the second frame 22 is embedded with close to protection 1 side of door body
Multiple magnet 221,221 surface of magnet are flushed with 22 surface of the second frame, and protection door body 1 22 1 side surface of the second frame that reclines is embedded
There is the multiple and one-to-one iron plate 15 of magnet 221, iron plate 15 flushes with 21 surface of the first frame.In the present embodiment, the second frame 22
Four sides be embedded with magnet 221, and the spacing between two neighboring magnet 221 is identical, the iron that protective plate ontology is embedded
15 surface size of plate is identical as 221 surface size of magnet, when protecting 1 surface of door body to be bonded with 22 surface of the second frame, magnet
221 mutually adsorb with corresponding iron plate 15.
Second frame 22 is also provided with annular groove 222 close to protection its edge of 1 one lateral edge of door body, is embedded in annular groove 222
There is sealing ring 7,7 surface of sealing ring is flushed with 22 surface of the second frame.Annular groove 222 is located at the outside of magnet 221, and the two is not done mutually
It disturbs, and can respectively obtain effect.
Protection 1 surface of door body is provided with handle 16, and handle 16 is located at protection door body 1 far from 22 side table of the second frame
Face, the closing convenient for people to protection door body 1.
Working principle:
When wartime situation occurs, people are entered in bomb shelter by opening protection door body 1, and close protection door body 1,
Due to the iron plate 15 in protection door body 1 and 221 suction-operated of magnet on the second frame 22, protection door body 1 is fitted in second
On frame 22, the first groove 12 is connected to the second groove 211 at this time, is opened cover board 14, is filled by inflator 6 to rubber ring 3
Gas, until the pressure in rubber ring 3 is greater than the setting value of automatic exhaust steam valve 5, automatic exhaust steam valve 5 is exhausted automatically at this time, stops
Only to the inflation of rubber ring 3, the pressure values in rubber ring 3 stablize the setting value in automatic exhaust steam valve 5, and rubber ring 3 expands outward
And be respectively filled with the first groove 12 and the second groove 211 and extruding force is generated to the first groove 12 and the second groove 211, prevent at this time
The gap protected between door body 1 and doorframe 2 is completed to seal by rubber ring 3, and the lid of cover board 14 is closed on placing groove 13, completes whole
The seal operation of a protection door body 1.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of airtight blast door, including protection door body (1) and doorframe (2), the protection door body (1) on one side with the door
Frame (2) hingedly, is provided with door lock (11) on the protection door body (1), it is characterised in that: protection door body (1) outer wall
First groove of circle (12) is offered, doorframe (2) inner wall offers the second of a circle and first groove (12) cooperation
Groove (211), first groove (12) is interior to be provided with hollow rubber ring (3), and the rubber ring (3) is equipped with air inlet, and
The air inlet is set to the rubber ring (3) and reclines the first groove (12) side, and the air inlet is connected with air inlet pipe, institute
The air inlet pipe other end is stated to pass through the protection door body (1) outside and be connected with check valve (4).
2. airtight blast door according to claim 1, it is characterised in that: the rubber ring (3) is connected with exhaust outlet, and institute
It states exhaust outlet to recline the first groove (12) side set on the rubber ring (3), the exhaust outlet is connected with exhaust pipe, described
The exhaust pipe other end passes through the protection door body (1) outside and is connected with automatic exhaust steam valve (5).
3. airtight blast door according to claim 1, it is characterised in that: offer placement on the protection door body (1)
Slot (13), the placing groove (13) are located at the protection door body (1) setting in bomb shelter side, the placing groove (13)
Have inflator (6), the inflator (6) connect with the check valve (4), is also rotatably connected on the protection door body (1)
For covering the cover board (14) for closing the placing groove (13).
4. airtight blast door according to claim 1, it is characterised in that: the doorframe (2) is stepped, including inner wall ruler
Very little biggish first frame (21) and lesser second frame (22) of inner wall size, wherein the inner wall size of first frame (21) and institute
It states and protects door body (1) outer wall size identical, second groove (211) is set on first frame (21).
5. airtight blast door according to claim 4, it is characterised in that: protection door body (1) thickness and described the
One frame (21) thickness is identical, and second frame (22) is embedded with multiple magnet close to protection door body (1) side
(221), magnet (221) surface is flushed with the second frame (22) surface, and the protection door body (1) reclines described
(22) one side surface of two frames is embedded with multiple and the magnet (221) one-to-one iron plate (15), the iron plate (15) and institute
The first frame (21) surface is stated to flush.
6. airtight blast door according to claim 4, it is characterised in that: second frame (22) is close to the protective door sheet
(1) one its edge of lateral edge of body is also provided with annular groove (222), is embedded with sealing ring (7) in the annular groove (222), described close
Seal (7) surface is flushed with the second frame (22) surface.
7. airtight blast door according to claim 1, it is characterised in that: protection door body (1) surface is provided with handle
Hand (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202370.3U CN208966184U (en) | 2018-07-27 | 2018-07-27 | A kind of airtight blast door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202370.3U CN208966184U (en) | 2018-07-27 | 2018-07-27 | A kind of airtight blast door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966184U true CN208966184U (en) | 2019-06-11 |
Family
ID=66749195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821202370.3U Active CN208966184U (en) | 2018-07-27 | 2018-07-27 | A kind of airtight blast door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997494A (en) * | 2020-09-10 | 2020-11-27 | 汤会香 | Civil air defense door based on high-barrier effect |
-
2018
- 2018-07-27 CN CN201821202370.3U patent/CN208966184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997494A (en) * | 2020-09-10 | 2020-11-27 | 汤会香 | Civil air defense door based on high-barrier effect |
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