CN209494452U - A kind of protection airtight shield door - Google Patents
A kind of protection airtight shield door Download PDFInfo
- Publication number
- CN209494452U CN209494452U CN201821775743.6U CN201821775743U CN209494452U CN 209494452 U CN209494452 U CN 209494452U CN 201821775743 U CN201821775743 U CN 201821775743U CN 209494452 U CN209494452 U CN 209494452U
- Authority
- CN
- China
- Prior art keywords
- door leaf
- lower handle
- pin
- gasket
- protection airtight
- 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.)
- Expired - Fee Related
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses a kind of protection airtight shield doors, it is related to underground engineering safeguard technical field, after aiming to solve the problem that lower handle rotate in place, during operator then rotates up knob, if encountering lower handle accidentally lower handle is replied, it then needs to rotate lower handle again, the problem for causing door leaf opening and closing more inconvenient.Its key points of the technical solution are that, including door leaf, door leaf front is provided with up knob and lower handle, and the locking device for locking lower handle is provided on door leaf front, locking device includes mounting base and the pin that is mounted in mounting base, offers the through-hole passed through for pin on lower handle；It further include two positioning columns being arranged on mounting base front, the limited post of setting two and positioning column against cooperation on the circumference side of pin.Instantly after handle rotate in place, lower handle is fixed by pin, lower handle will not be then rotated further by, to can be rotated up knob, achieve the purpose that facilitate opening and closing.
Description
Technical field
The utility model relates to the technical fields of underground engineering safeguard, shield more particularly, to a kind of protection airtight
Door.
Background technique
Underground protective engineering is also civil air defense works, refers to ensure wartime personnel and goods and materials masking, people's air defence commander, doctor
Treat rescue and the underground protective structure individually built and combined ground wartime for building of building can be used for the basement of air defense.
The door of underground protective engineering entrance is known as closed guard gate.
Referring to Fig.1, existing a kind of protection airtight shield door, including door leaf 1, the upper end of door leaf 1 by upper hinge page 21 with
Doorframe 2 is rotatablely connected, and the lower end of door leaf 1 is rotatablely connected by lower hinge page 22 with doorframe 2, and door leaf is provided with up knob on 1 front
11 with lower handle 12.When opening the door, the lower handle 12 of rotation drives the link rotatable connecting with lower handle 12, to drive and be somebody's turn to do
The tapered end of connecting rod connection rotates so that tapered end is separated with the vertical side of doorframe 2；Then rotate up knob 11 so that through connecting rod with
The tapered end that up knob 11 connects is separated with the vertical other side of doorframe 2, the final unlatching for realizing door leaf 1.
It is successively to operate lower handle 12, upper when prior art among the above has the following deficiencies: opened door leaf 1
What hand 11 was realized.After lower handle 12 rotate in place, operator then rotates up knob 11, if during rotation up knob 11
Body encounters lower handle 12 or clothing catches on lower handle 12 accidentally and lower handle 12 is replied, then needs to rotate lower handle 12 again,
It is more inconvenient, therefore be further improved.
Utility model content
The purpose of the utility model is to provide a kind of protection airtight shield doors, have the effect of facilitating opening and closing.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
The upper end of a kind of protection airtight shield door, including door leaf, the door leaf is rotatablely connected by upper hinge page and doorframe, institute
The lower end for stating door leaf is rotatablely connected by lower hinge page and doorframe, and the door leaf front is provided with up knob and lower handle, the door
The locking device for locking lower handle is provided on fan front, the locking device is arranged in parallel with two along door leaf short transverse
It is a；The locking device includes the mounting base being fixed on door leaf front and the pin that is mounted in mounting base, and described lower
The through-hole passed through for pin is offered on hand；The locking device further includes two positioning columns being arranged on mounting base front,
Two and positioning column is arranged against the limited post of cooperation to equidistant interval in the circumference side last week of the pin.
By using above-mentioned technical proposal, when enabling, after lower handle is rotated up in place, pin is rotated, under pin insertion
In the through-hole of handle；Since the limited post on pin abuts against positioning column, so that pin will not retreat therefore lock lower handle,
It is rotated further by lower handle will not, operator continues i.e. openable door leaf after up knob rotate in place, and eliminates lower handle and exists
The process for rotating lower handle again is replied under scraping collision, is conveniently opened or closed.After opening door leaf, then pin is rotated, so that positioning
Column is no longer abut against limited post, so that pin is exited from lower handle, can carry out subsequent operation, convenient and efficient.
The utility model is further arranged to: circumferential on the circumference side of each positioning column to be provided with an annular
The first limiting slot.
By using above-mentioned technical proposal, due to being provided with the first limiting slot so that limited post closely inlay card first
In limiting slot, be not susceptible to it is opposite shake so that pin is fixed more stable when lower handle, improve the stabilization of locking device
Property.
The utility model is further arranged to: being provided on the circumference side of each limited post and the first limiting slot
Second limiting slot of cooperation.
By using above-mentioned technical proposal, by the cooperation of the first limiting slot and the second limiting slot, so that positioning column and limit
Position column between connect it is closer so that pin fix it is more stable when lower handle.
The utility model is further arranged to: the back side of the door leaf is offered along its four side in back-shaped seal groove, institute
It states and is provided with back-shaped gasket in seal groove.
By using above-mentioned technical proposal, rubber pad is can be used in gasket so that door leaf closure Shi Nengyu doorframe agree with it is close
Envelope.Since the weight of closed guard gate is up to 1 ton, gasket can also reduce impact force when door leaf is closed to doorframe, play certain
Buffer function extends the service life of closed guard gate.
The utility model is further arranged to: being provided with magnetic absorption member in the gasket, is embedded on the doorframe and magnetic
Inhale the magnetic attracting adsorption piece of part.
By using above-mentioned technical proposal, by the attraction between magnetic absorption member and adsorption piece so that when door leaf is closed with
Doorframe preferably agrees with sealing, improves the overall tightness of protection airtight shield door.
The utility model is further arranged to: the four corners in the gasket positioned at gasket offer cavity, institute
State the elastic direction of setting and the consistent elastic component of gasket thickness direction in cavity.
By using above-mentioned technical proposal, cavity to increase gasket in the state that part is hollow inside gasket
Flexibility.Since gasket is rubber material, using under oxidation, the elastic force of gasket declines after of long duration.Elastic component
For spring, the cooperation of spring and cavity extends the service life of gasket so that gasket keeps lasting elastic force.And door leaf is hit
When hitting doorframe, part energy is converted elastic potential energy by compressed spring.Reduce impact force when door leaf is closed to doorframe, rises
To certain buffer function, extend the service life of closed guard gate.
The utility model is further arranged to: side is provided with the buffer layer protruded outward in cambered surface to the door leaf outwardly.
By using above-mentioned technical proposal, since buffer layer has an arcwall face, when closed guard gate is hit, arcwall face
The impact force for being subject to door leaf and the area minimum that is hit.Buffer layer is magnalium matter inorganic coagulation material and minerals powder and short
Glass is formed by foaming.Buffer layer improves the protective performance of closed guard gate, and closed guard gate is unlikely to deform damage, improves people's air defense
The protective of door.
The utility model is further arranged to: asbestos stratum reticulare is provided between the buffer layer and door leaf.
By using above-mentioned technical proposal, asbestos have extremely fireproof, electrical insulating property and thermal insulation, are important anti-
Fire, insulation and thermal insulation material.By asbestos stratum reticulare, the fire protecting performance of closed guard gate is improved.
In conclusion the advantageous effects of the utility model are as follows:
1. by the setting of locking device, when enabling, after lower handle is rotated up in place, pin is rotated, under pin insertion
In the through-hole of handle, since the limited post on pin abuts against positioning column, so that pin will not retreat to lock lower handle,
Be rotated further by lower handle will not, operator continues for up knob to be rotated up in place i.e. openable door leaf afterwards, facilitate unlatching or
It closes；
2. by the setting of the first limiting slot and the second limiting slot so that connected between positioning column and limited post it is closer,
More stably lock lower handle；
3. door leaf closure Shi Nengyu doorframe agrees with sealing by the setting of gasket, gasket can also reduce door leaf closing
When to the impact force of doorframe, play certain buffer function, extend the service life of closed guard gate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of background technique；
Fig. 2 is the overall structure diagram of the utility model embodiment；
Fig. 3 is the enlarged diagram of part A in Fig. 2；
Fig. 4 is the structural schematic diagram for showing doorframe；
Fig. 5 is the structural schematic diagram for showing door leaf；
Fig. 6 is the enlarged diagram of part B in Fig. 5.
In figure, 1, door leaf；11, up knob；12, lower handle；13, seal groove；2, doorframe；21, upper hinge page；22, lower hinge page；
23, adsorption piece；3, mounting base；4, pin；41, through-hole；5, positioning column；51, the first limiting slot；6, limited post；61, the second limit
Slot；7, gasket；71, cavity；72, elastic component；73, magnetic absorption member；8, buffer layer；9, asbestos stratum reticulare.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is a kind of protection airtight shield door disclosed by the utility model, the door leaf 1 including steel material, door leaf 1 referring to Fig. 2
With a thickness of 110mm, the design pressure of door leaf 1 is 0.15MPa, is suitable for 6 grades of core normal 6 grades of air defense basements.Have on doorframe wall
One door opening, clear span 1000mm, clear height 2000mm.Door frame wall minimum thickness is 300mm, door sill height 150mm.Door leaf
1 upper end is rotatablely connected by upper hinge page 21 and doorframe 2, and the lower end of door leaf 1 is rotatablely connected by lower hinge page 22 with doorframe 2.
Referring to Fig. 2, the side of door leaf 1 outwardly is provided with buffer layer 8, and buffer layer 8 is magnalium matter inorganic coagulation material and mine
Substance powder and short glass fiber are formed by foaming.Buffer layer 8 improves the protective performance of door leaf 1, so that closed guard gate is unlikely to deform damage
It is bad.Nuclear radiation-resistant coating can be also coated on buffer layer 8, made door leaf 1 that there is radiation hardness and weakened the ability of high-energy radiation.Buffering
Layer 8 has an outwardly projecting arcwall face, when closed guard gate is hit, impact force that arcwall face is subject to door leaf 1 and by
Impact area minimizes, and further increases the protective of door leaf 1.Asbestos stratum reticulare 9, stone are also filled between buffer layer 8 and door leaf 1
Cotton has extremely fireproof, electrical insulating property and thermal insulation, is important fire prevention, insulation and thermal insulation material.By asbestos stratum reticulare 9,
Improve the fire protecting performance of closed guard gate.
Referring to Fig. 2 and Fig. 3, up knob 11 and lower handle 12 are provided on the front of door leaf 1.When opening the door, it is rotated up
Lower handle 12 drives the link rotatable connecting with lower handle 12, so that the tapered end connecting with the connecting rod be driven to rotate so that tapered end
It is separated with the vertical side of doorframe 2；Then up knob 11 is rotated, so that the tapered end connecting through connecting rod with up knob 11 and doorframe 2
The separation of the vertical other side, the final unlatching for realizing door leaf 1.To avoid, operator's body encounters lower handle 12 or clothing is careless
Catching on lower handle 12 replys lower handle 12 downwards, and the locking device for handle 12 under locking is also provided on door leaf 1.
There are two locking devices, and the locking device of top is for locking lower handle 12 when opening the door, and the locking device of lower section is for closing the door
When lower handle 12 is locked.Locking device includes the pin 4 for being fixed on mounting base 3 and being mounted in mounting base 3, mounting base 3
Screw is fixed on 1 front of door leaf, and mounting base 3 is a L-shaped steel plate.The through-hole perforated for pin 4 is offered on lower handle 12
41.Two columned positioning columns 5 are welded on 3 front of mounting base, positioning column 5 is located at the two sides of pin 4.Pin 4
It is symmetrical arranged on side there are two limited post 6, limited post 6 is also cylindrical.Instantly after handle 12 rotate in place, pin 4 is rotated,
Pin 4 is inserted into the through-hole 41 of lower handle 12；Since the limited post 6 on pin 4 abuts against positioning column 5, so that pin 4 is not after the meeting
It moves back therefore locks lower handle 12, be rotated further by lower handle 12 will not.
Referring to Fig. 3, in order to make positioning column 5 and limited post 6 be provided with one on the circumference side of positioning column 5 against closer
First limiting slot 51 of a annular also offers a second annular limiting slot 61 on the circumference side of limited post 6.Pass through
The cooperation of one limiting slot 51 and the second limiting slot 61, so that inlay card is closer between positioning column 5 and limited post 6.
Referring to Fig. 4 and Fig. 5, since the weight of door leaf 1 is up to 1 ton, to reduce door leaf 1 at closing time to the impact force of doorframe 2,
One is offered in back-shaped seal groove 13 at the back side of door leaf 1, and seal groove 13 is interior to be filled with gasket 7, correspondingly, gasket
7 also in back-shaped.Rubber pad can be used in gasket 7, so that door leaf 1 is closed Shi Nengyu doorframe 2 and agrees with sealing.In order to enable door leaf 1
It is further sealed when being closed with doorframe 2, is provided with magnetic absorption member 73 in gasket 7, in the present embodiment, magnetic absorption member 73 is provided with altogether
Four, there is a magnetic absorption member 73 in every one side of gasket 7, magnetic absorption member 73 is magnet.It is embedded with adsorption piece 23 on doorframe, inhales
Attachment 23 is iron plate, there are four adsorption piece 23 is also correspondingly arranged.By the attraction between magnetic absorption member 73 and adsorption piece 23, so that
Preferably agree with sealing when door leaf 1 is closed with doorframe 2, improves the overall tightness of protection airtight shield door.
Referring to Fig. 5 and Fig. 6, since gasket 7 is rubber material, using after of long duration under oxidation, gasket 7
Elastic force decline.Cavity 71 is opened up in gasket 7, cavity 71 is located at four corners of gasket 7.Cavity 71 makes gasket
The 7 inside state hollow in part, increases the flexibility of gasket 7.Elastic component 72, the bullet of elastic component 72 are filled in cavity 71
Power direction is consistent with shutdown direction.Elastic component 72 is stainless steel spring in the present embodiment, smaller with 73 attractions of magnetic absorption member.Bullet
The cooperation of spring and cavity 71 is so that gasket 7 keeps lasting elastic force, the service life of extension gasket 7.And 1 striking door of door leaf
When frame 2, part energy is converted elastic potential energy by compressed spring.Reduce impact force when door leaf 1 is closed to doorframe 2, plays
Certain buffer function extends the service life of closed guard gate.
The implementation principle of the present embodiment are as follows: when needing to open door leaf 1, be rotated up lower handle 12, lower handle 12 rotates
After in place, pin 4 is rotated, pin 4 is inserted into the through-hole 41 of lower handle 12；Since the limited post 6 on pin 4 abuts against positioning column
5, it so that pin 4 will not retreat therefore lock lower handle 12, be rotated further by lower handle 12 will not.Operator continues upper
After hand 11 rotate in place, i.e., openable door leaf 1 eliminates lower handle 12 and rotates down reply under scraping collision, then again under rotation
The process of handle 12 facilitates unlatching.
When need at closing time, rotation extraction pin 4 so that positioning column 5 is no longer abut against limited post 6.Rotate down lower
Hand 12, after lower handle 12 rotate in place, the pin 4 of rotation lower section locking device, pin 4 is inserted into the through-hole 41 of lower handle 12,
Since the limited post 6 on pin 4 abuts against positioning column 5, so that pin 4 will not retreat therefore lock lower handle 12, make lower
Hand 12 will not be rotated further by.Operator continues after rotating down up knob 11 in place, can close door leaf 1, facilitates closing.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. the upper end of a kind of protection airtight shield door, including door leaf (1), the door leaf (1) passes through upper hinge page (21) and doorframe (2)
The lower end of rotation connection, the door leaf (1) is rotatablely connected by lower hinge page (22) and doorframe (2), door leaf (1) front setting
There are up knob (11) and lower handle (12), it is characterised in that: be provided on door leaf (1) front for locking lower handle (12)
Locking device, there are two the locking device is arranged in parallel along door leaf (1) short transverse；The locking device includes being fixed on
Mounting base (3) on door leaf (1) front and the pin (4) being mounted on mounting base (3) offer on the lower handle (12)
The through-hole (41) passed through for pin (4)；The locking device further includes two positioning columns being arranged on mounting base (3) front
(5), the circumference side last week of the pin (4) is arranged two with positioning column (5) against the limited post of cooperation to equidistant interval
(6).
2. a kind of protection airtight shield door according to claim 1, it is characterised in that: the circle of each positioning column (5)
It is circumferential on all sides to be provided with annular first limiting slot (51).
3. a kind of protection airtight shield door according to claim 2, it is characterised in that: the circle of each limited post (6)
The second limiting slot (61) with the first limiting slot (51) cooperation is provided on all sides.
4. a kind of protection airtight shield door according to claim 1, it is characterised in that: the back side of the door leaf (1) is along it
Four sides are offered in back-shaped seal groove (13), and the seal groove (13) is interior to be provided with back-shaped gasket (7).
5. a kind of protection airtight shield door according to claim 4, it is characterised in that: be provided in the gasket (7)
Magnetic absorption member (73) is embedded on the doorframe (2) and magnetic absorption member (73) magnetic attracting adsorption piece (23).
6. a kind of protection airtight shield door according to claim 5, it is characterised in that: be located in the gasket (7) close
The four corners of packing (7) offer cavity (71), the elastic direction of setting and gasket (7) thickness side in the cavity (71)
To consistent elastic component (72).
7. a kind of protection airtight shield door according to claim 1, it is characterised in that: the door leaf (1) sets side outwardly
It is equipped with the buffer layer (8) protruded outward in cambered surface.
8. a kind of protection airtight shield door according to claim 7, it is characterised in that: the buffer layer (8) and door leaf (1)
Between be provided with asbestos stratum reticulare (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775743.6U CN209494452U (en) | 2018-10-30 | 2018-10-30 | A kind of protection airtight shield door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775743.6U CN209494452U (en) | 2018-10-30 | 2018-10-30 | A kind of protection airtight shield door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494452U true CN209494452U (en) | 2019-10-15 |
Family
ID=68141870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821775743.6U Expired - Fee Related CN209494452U (en) | 2018-10-30 | 2018-10-30 | A kind of protection airtight shield door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272476A (en) * | 2020-11-03 | 2021-01-26 | 珠海格力电器股份有限公司 | Electrical equipment, door body mechanism and sealing assembly thereof |
-
2018
- 2018-10-30 CN CN201821775743.6U patent/CN209494452U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272476A (en) * | 2020-11-03 | 2021-01-26 | 珠海格力电器股份有限公司 | Electrical equipment, door body mechanism and sealing assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |