CN207453767U - A kind of activity threshold structure of subway and tunnel main track airtight blast door - Google Patents
A kind of activity threshold structure of subway and tunnel main track airtight blast door Download PDFInfo
- Publication number
- CN207453767U CN207453767U CN201721517622.7U CN201721517622U CN207453767U CN 207453767 U CN207453767 U CN 207453767U CN 201721517622 U CN201721517622 U CN 201721517622U CN 207453767 U CN207453767 U CN 207453767U
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- threshold
- movable part
- mounting surface
- airtight blast
- blast door
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Abstract
The utility model discloses the activity threshold structures of a kind of subway and tunnel main track airtight blast door, it solves when needing to close airtight blast door, there is certain gap between the lower edge and track of door leaf, the problem of needing to seal, its key points of the technical solution are that, including being used to be fixed on the threshold fixing piece on ground and threshold movable part, one side of the threshold fixing piece away from ground is equipped with to install the mounting surface of underground railway track, the threshold movable part is removably connected in mounting surface, the threshold movable part cooperation mounting surface closely clamps underground railway track, the first sealant is equipped between the threshold movable part and mounting surface, the second sealant is equipped between the threshold movable part and underground railway track, achieve the purpose that the clearance seal between the lower edge and track by airtight blast door door leaf.
Description
Technical field
The utility model is related to people's air defense technical field, the activity of more particularly to a kind of subway and tunnel main track airtight blast door
Doorsill structure.
Background technology
Subway is the distinctive marks of a modernization metropolis, and as the big blood vessels in a city, metro project is not only
It is the great urban transportation infrastructural project of scale, while an even more great Civil Defense Engineering, once war is arrived,
It will form the air defense in entire city together with city Civil Air Defense Facilities.Subway civil air defence is by several protective unit groups
Into generally according to one section of a station as a protective unit.Airtight blast door is a kind of important form for dividing protective unit.
Existing airtight blast door includes doorframe and the door leaf being hinged on by hinge on doorframe, and when needing, closing protection is close
There is certain gap, it is necessary to seal when closing, between the lower edge and track of door leaf.
Utility model content
The purpose of this utility model is to provide the activity threshold structure of a kind of subway and tunnel main track airtight blast door, has
The advantages of clearance seal between the lower edge and track of airtight blast door door leaf is got up.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of subway and tunnel are just
The activity threshold structure of line airtight blast door, including being used to be fixed on the threshold fixing piece on ground and threshold movable part, the door
One side of the sill fixing piece away from ground is equipped with to install the mounting surface of underground railway track, and the threshold movable part is removably connected to
In mounting surface, threshold movable part cooperation mounting surface closely clamps underground railway track, the threshold movable part and mounting surface it
Between be equipped with the first sealant, between the threshold movable part and underground railway track be equipped with the second sealant.
By using above-mentioned technical proposal, threshold fixing piece and the cooperation of threshold movable part are assembled into complete threshold, threshold
Together with being fitted closely with the door leaf of airtight blast door, the purpose of flue gas is played；The mounting surface of threshold fixing piece is used to install
Underground railway track, subway can normally be open to traffic when not installing threshold movable part.First sealant improves threshold movable part and peace
Air-tightness between dress face further ensures that flue gas is not easily passed through between threshold movable part and mounting surface；Second sealant improves
Between threshold movable part and underground railway track, further ensure that flue gas is not easily passed through between threshold movable part and underground railway track.
The further setting of the utility model, the mounting surface are equipped with concave part, and the opposing sidewalls of the concave part are towards recessed
The outside of groove portion tilts, and the threshold movable part is located in concave part.
By using above-mentioned technical proposal, concave part increases the contact area of threshold movable part and threshold fixing piece, makes door
Sill movable part is regularly more stablized.Opposing sidewalls are tilted towards the outside of concave part, convenient for threshold movable part is fixed on groove
In portion.
The further setting of the utility model, the top of the threshold movable part are equipped with extension, the extension along
The length direction extension of threshold fixing piece.
By using above-mentioned technical proposal, extension increases the contact area of threshold movable part and threshold fixing piece, makes door
Sill movable part is regularly more stablized.
The further setting of the utility model, the extension vertical side walls are equipped with fixing groove, and the fixing groove is along prolonging
The length direction of extending portion is set, and sealing strip is fixed in the fixing groove.
By using above-mentioned technical proposal, fixing groove is convenient for fixing seal item, sealing strip is made to be not easily disconnected from threshold movable part,
The further setting of the utility model, the extension of the threshold movable part away from the vertical side of fixing groove with
Reinforcing sealing plate is fixed between the top of the mounting surface.
By using above-mentioned technical proposal, the impact resistance of raising threshold movable part, threshold movable part is not easy to be hit
Portion and depart from threshold fixing piece.
The further setting of the utility model, the reinforcing sealing plate is L-shaped, and the inner fold for reinforcing sealing plate is consolidated
Surely there are multiple reinforcing ribs, the reinforcing rib is set along the length direction for reinforcing sealing plate.
By using above-mentioned technical proposal, reinforce that the structure of sealing plate is simple, and stable structure plays support well and makees
With.
The further setting of the utility model, described reinforce between sealing plate and the top of mounting surface are fixed with expanding screw
Bolt.
By using above-mentioned technical proposal, reinforce between sealing plate and the top of mounting surface and mount and dismount conveniently, be convenient for
Fast Installation reinforces sealing plate.
The further setting of the utility model, first sealant and second sealant are glass glue-line.
By using above-mentioned technical proposal, glass glue-line can quickly solidify, convenient for temporarily by threshold movable part and installation
It is sealed between face and between threshold movable part and underground railway track.It, can be by threshold when glass glue-line is cut open with sharp weapon
Fixing piece and threshold movable part are dismantled.
In conclusion the utility model has the advantages that：
1st, the clearance seal between the lower edge and track of airtight blast door door leaf gets up, it is ensured that airtight blast door exists
Air-tightness under closed state；
2nd, threshold fixing piece and threshold movable part are easy for assemble or unload；
3rd, airtight blast door is opened and after the dismounting of threshold movable part, and threshold fixing piece does not influence the normal of subway and is open to traffic；
4th, threshold movable part fixing-stable just has stronger impact resistance ability.
Generally speaking the utility model has good air-tightness, can be applied according to actual conditions, simple in structure,
It being capable of Fast Installation and dismounting.
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment；
Fig. 2 is the structure diagram at another visual angle of the present embodiment.
Reference numeral：1st, threshold fixing piece；11st, mounting surface；12nd, concave part；2nd, threshold movable part；21st, extension；211、
Fixing groove；3rd, the first sealant；4th, the second sealant；5th, sealing strip；6th, sealing plate is reinforced；7th, reinforcing rib；8th, expansion bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of activity threshold structure of subway and tunnel main track airtight blast door, it is as depicted in figs. 1 and 2, solid including being used for
The threshold fixing piece 1 on ground and threshold movable part 2 are scheduled on, one side of the threshold fixing piece 1 away from ground is equipped with to install subway
Track installation face 11, threshold movable part 2 are removably connected in mounting surface 11, and threshold movable part 2 coordinates mounting surface 11 by subway
Track closely clamps.Mounting surface 11 is equipped with concave part 12, and the opposing sidewalls of concave part 12 are tilted towards the outside of concave part 12, threshold
Movable part 2 is located in concave part 12.Concave part 12 increases the contact area of threshold movable part 2 and threshold fixing piece 1, and threshold is made to live
Moving part 2 is regularly more stablized.The opposing sidewalls of concave part 12 are tilted towards the outside of concave part 12, convenient for by threshold movable part 2
It is fixed in concave part 12.The top of threshold movable part 2 is equipped with extension 21, length of the extension 21 along threshold fixing piece 1
Direction extends.21 vertical side walls of extension are equipped with fixing groove 211, and fixing groove 211 is set along the length direction of extension 21, Gu
Determine to be fixed with sealing strip 5 in slot 211.
The extension 21 of threshold movable part 2 is consolidated between the vertical side of fixing groove 211 and the top of mounting surface 11
Surely have and reinforce sealing plate 6, reinforce the impact resistance that sealing plate 6 improves threshold movable part 2, threshold movable part 2 is not easy to be hit
Portion and depart from threshold fixing piece 1.It reinforces between sealing plate 6 and the top of mounting surface 11 and is fixed with expansion bolt 8.Reinforce sealing plate
6 is L-shaped, and the inner fold for reinforcing sealing plate 6 is fixed with multiple reinforcing ribs 7, length side of the reinforcing rib 7 along reinforcing sealing plate 6
To setting., the structure of reinforcing sealing plate 6 is simple, and stable structure plays good supporting role.
The first sealant 3 is equipped between threshold movable part 2 and mounting surface 11, is set between threshold movable part 2 and underground railway track
There is the second sealant 4.First sealant 3 and the second sealant 4 are glass glue-line.Glass glue-line can quickly solidify, convenient for facing
When will be sealed between threshold movable part 2 and mounting surface 11 and between threshold movable part 2 and underground railway track.By glass glue-line
It is cut open, threshold fixing piece 1 and threshold movable part 2 can be dismantled with sharp weapon.
Use process and its principle：When subway is normally open to traffic, threshold movable part need not be installed in threshold fixing piece 1
2；When airtight blast door is protected, threshold movable part 2 is fixed on to the concave part of the mounting surface 11 of threshold fixing piece 1
In 12, the extension 21 of threshold movable part 2 is close to the upper surface of threshold fixing piece 1, and threshold movable part 2 coordinates mounting surface 11 will
Underground railway track closely clamps, and glass glue-line is scribbled in threshold movable part 2 and mounting surface 11, threshold movable part 2 and underground railway track it
Between be also coated with glass glue-line；Followed by the top that will reinforce sealing plate 6 by expansion bolt 8 and be fixed on mounting surface 11, reinforce close
Sealing plate 6 is close to the side of the extension 21 of threshold movable part 2.Threshold fixing piece 1 and threshold movable part 2 coordinate, and have been assembled into
Whole threshold together with threshold is fitted closely with the door leaf of airtight blast door, plays the purpose of flue gas；Threshold fixing piece 1
Mounting surface 11 is for installing underground railway track, and subway can normally be open to traffic when not installing threshold movable part 2.First sealant 3 carries
High air-tightness between threshold movable part 2 and mounting surface 11, further ensures that flue gas not easily passs through threshold movable part 2 and installation
Between face 11；Second sealant 4 is improved between threshold movable part 2 and underground railway track, further ensures that flue gas not easily passs through door
Between sill movable part 2 and underground railway track.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. the activity threshold structure of a kind of subway and tunnel main track airtight blast door, which is characterized in that including being used to be fixed on ground
The threshold fixing piece (1) in face and threshold movable part (2), one side of the threshold fixing piece (1) away from ground are equipped with to install
The mounting surface (11) of underground railway track, the threshold movable part (2) are removably connected in mounting surface (11), the threshold movable part
(2) mounting surface (11) is coordinated closely to clamp underground railway track, first is equipped between the threshold movable part (2) and mounting surface (11)
Sealant (3), the threshold movable part (2) are equipped with the second sealant (4) between underground railway track.
2. the activity threshold structure of a kind of subway according to claim 1 and tunnel main track airtight blast door, feature exist
Concave part (12) is equipped in, the mounting surface (11), and the opposing sidewalls of the concave part (12) are towards the outer inclination of concave part (12)
Tiltedly, the threshold movable part (2) is located in concave part (12).
3. the activity threshold structure of a kind of subway according to claim 2 and tunnel main track airtight blast door, feature exist
In the top of the threshold movable part (2) is equipped with extension (21), length of the extension (21) along threshold fixing piece (1)
Spend direction extension.
4. the activity threshold structure of a kind of subway according to claim 3 and tunnel main track airtight blast door, feature exist
In extension (21) vertical side walls are equipped with fixing groove (211), length of the fixing groove (211) along extension (21)
Direction is set, and sealing strip (5) is fixed in the fixing groove (211).
5. the activity threshold structure of a kind of subway according to claim 4 and tunnel main track airtight blast door, feature exist
In, the extension (21) of the threshold movable part (2) away from the vertical side of fixing groove (211) and the mounting surface (11)
It is fixed between top and reinforces sealing plate (6).
6. the activity threshold structure of a kind of subway according to claim 5 and tunnel main track airtight blast door, feature exist
In the reinforcing sealing plate (6) is L-shaped, and the inner fold for reinforcing sealing plate (6) is fixed with multiple reinforcing ribs (7), described
Reinforcing rib (7) is set along the length direction for reinforcing sealing plate (6).
7. the activity threshold structure of a kind of subway according to claim 5 and tunnel main track airtight blast door, feature exist
In described reinforce between sealing plate (6) and the top of mounting surface (11) is fixed with expansion bolt (8).
8. the activity threshold structure of a kind of subway according to claim 1 and tunnel main track airtight blast door, feature exist
In first sealant (3) and second sealant (4) are glass glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517622.7U CN207453767U (en) | 2017-11-14 | 2017-11-14 | A kind of activity threshold structure of subway and tunnel main track airtight blast door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517622.7U CN207453767U (en) | 2017-11-14 | 2017-11-14 | A kind of activity threshold structure of subway and tunnel main track airtight blast door |
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| Publication Number | Publication Date |
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| CN207453767U true CN207453767U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721517622.7U Active CN207453767U (en) | 2017-11-14 | 2017-11-14 | A kind of activity threshold structure of subway and tunnel main track airtight blast door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714705A (en) * | 2019-10-11 | 2020-01-21 | 中国核电工程有限公司 | Track-passing fire-proof rolling curtain and construction method thereof |
-
2017
- 2017-11-14 CN CN201721517622.7U patent/CN207453767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714705A (en) * | 2019-10-11 | 2020-01-21 | 中国核电工程有限公司 | Track-passing fire-proof rolling curtain and construction method thereof |
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