CN217602499U - Protective airtight door without threshold - Google Patents
Protective airtight door without threshold Download PDFInfo
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- CN217602499U CN217602499U CN202220008714.7U CN202220008714U CN217602499U CN 217602499 U CN217602499 U CN 217602499U CN 202220008714 U CN202220008714 U CN 202220008714U CN 217602499 U CN217602499 U CN 217602499U
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Abstract
The utility model discloses a there is not threshold protective airtight door, including door frame and fire prevention door plant, install movable hinge page or leaf between the side of fire prevention door plant and the door frame, and the laminating is provided with sealed the pad between door frame and the fire prevention door plant, the bottom of fire prevention door plant is provided with movable bottom plate, and movable bottom plate constitutes elevation structure in the bottom of fire prevention door plant to be provided with the laminating sealing strip between movable bottom plate and the ground, install movable connecting rod between the side of door plant and the door frame outside wall, and movable connecting rod constitutes the auxiliary stay structure that deflects to the door plant. This no threshold protective airtight door is provided with and is located the built-in liftable formula laminating sealing strip in fire door plant bottom, and cooperation swing joint pole supports the adjustment to the linkage activity of activity horizontal pole, utilizes linkage structure to push away in step and removes laminating sealing strip and interior movable frame whole when preventing the opening and shutting of fire door plant, can move down the laminating sealing strip in step when preventing that fire door plant is closed and keep sealed, ensures sealed safety.
Description
Technical Field
The utility model relates to a people's air defense safety correlation technique field specifically is no threshold protective airtight door.
Background
Modern buildings generally can all focus on people's air defense safety, generally can set up facilities such as people's air defense emergency exit in occasions such as some corridors, and this kind of people's air defense emergency exit generally is sealed fire door structure, except that the door plant is fire-proof, need keep encapsulated situation at the door plant side usually, can play the guard action to harmful flue gas etc..
The existing people's air defense safety sealing door is like the smoke-isolation fireproof door with the Chinese patent publication number of CN206233816U, the shell of the fireproof door is connected with the door frame through a hinge, the fillers in the shell of the fireproof door are divided into two layers, one layer is an asbestos heat insulation layer, the other layer is a steel vacuum inner container, and a nozzle is arranged on a matching device, so that the fireproof door can better play a role in fire prevention.
Aiming at the problems, the innovative design is carried out on the basis of the original civil air-proof airtight door.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a there is not threshold protective airtight door to propose the threshold structure and cause easily under people's urgent hurried state and collide with in solving above-mentioned background art, and lack the problem that the threshold structure influences the leakproofness easily.
In order to achieve the above object, the utility model provides a following technical scheme: the doorsill-free protective airtight door comprises a door frame and a fireproof door plate;
a movable hinge is arranged between the side edge of the fireproof door plate and the door frame, and a sealing gasket is attached between the door frame and the fireproof door plate;
the bottom of the fireproof door panel is provided with a movable bottom plate, the movable bottom plate forms a lifting structure at the bottom of the fireproof door panel, and a joint sealing strip is arranged between the movable bottom plate and the ground;
and a movable connecting rod is arranged between the side edge of the door plate and the outer wall of the door frame, and the movable connecting rod forms a deflection auxiliary supporting structure for the door plate.
Preferably, the upper part of the movable bottom plate is integrally provided with an inner movable frame, the movable bottom plate and the inner movable frame integrally form a lifting structure inside the fireproof door plate, and the lifting stroke of the inner movable frame is not less than the distance between the attached sealing strip and the ground.
And a supporting spring is attached between the movable lower edge of the inner movable frame and the fireproof door panel.
By adopting the technical scheme, the laminating sealing strip capable of lifting through one step is adaptive to the sill-free structure to perform bottom closed protection.
Preferably, the whole inner movable frame is of a rectangular structure, and a movable cross rod is arranged above the cross rod structure of the inner movable frame in parallel;
the upper edge of the inner movable frame is integrally provided with a laminating inclined plane, a laminating movable wheel is installed below the movable cross rod, and an inclined plane pushing structure is formed between the inner movable frame and the movable cross rod through the laminating inclined plane and the laminating movable wheel.
By adopting the technical scheme, the inner movable frame and the laminated sealing strip are driven to integrally lift and laminate the ground by the inclined plane pushing structure of the laminated inclined plane and the laminated movable wheel.
Preferably, the movable sliding groove is formed in the joint of the movable cross rod and the fireproof door plate, the movable cross rod forms a sliding structure in the movable sliding groove, and the joint inclined plane and the joint movable wheel are arranged in a staggered mode in the sliding direction of the movable sliding groove.
By adopting the technical scheme, the staggered joint inclined planes and the joint movable wheels are mutually jointed and pushed to drive the inner movable frame through the sliding of the movable cross rods.
Preferably, the connecting lug plates are welded on the outer sides of the middle parts of the movable cross rods and protrude out of the surface of the fireproof door plate, and the connecting lug plates and the side ends of the movable connecting rods form hinge connection.
By adopting the technical scheme, the movable cross rod and the movable connecting rod can keep linkage, and the movable cross rod is synchronously driven to move and adjust by matching with the movement of the movable connecting rod.
Preferably, both ends all are provided with the side loose axle about the movable connecting rod, and both ends constitute revolution mechanic respectively in door frame outside wall body and connection otic placode department about the movable connecting rod to the outside laminating of side loose axle is provided with the torsional spring and keeps elastic support to the state of closing the door of fire door plant.
By adopting the technical scheme, the fireproof door plate is elastically supported by the movable connecting rod, so that the fireproof door plate can be automatically closed, and the attached sealing strip moves down to keep the sealing protection without the threshold under the linkage of the movable connecting rod and the movable cross rod.
Compared with the prior art, the beneficial effects of the utility model are that: the protective airtight door without the threshold is provided with a sealing ring,
1. the lifting type laminating sealing strip is arranged at the bottom of the fireproof door plate, and is matched with the synchronous movement of the movable cross rod in the movable opening and closing process of the fireproof door plate, the inner movable frame is driven to integrally perform synchronous lifting and moving adjustment through the laminating inclined plane and the inclined plane laminating pushing movement of the laminating movable wheel, the laminating sealing strip in the movably closed fireproof door plate can synchronously move downwards to be laminated on the ground to keep sealing, and the laminating sealing strip automatically moves upwards under the matching of a supporting spring when the fireproof door plate is opened, so that the door opening movement of the fireproof door plate is facilitated;
2. the movable connecting rod is provided with a movable connecting rod matched with a movable cross rod in linkage and movably supported for adjustment, the movable connecting rod forms a triangular movable deflection structure between a wall body and the fireproof door plate in an enclosing mode, a movable sliding chute is utilized to connect the integral sliding structure of the lug plate, when the included angle between the movable connecting rod and the wall body changes, the connecting lug plate and the movable cross rod synchronously slide and correspond to the side length of the triangle corresponding to the side of the fireproof door plate in an adjusting mode, therefore, the movable connecting rod is utilized to form a linkage structure for the movable cross rod when the fireproof door plate is opened and closed, meanwhile, the torsion spring structure at the side end of the movable connecting rod can also facilitate the automatic closing of the fireproof door plate under the elastic action, the situation that the fireproof door plate is not closed is avoided, and the sealing protection effect is kept.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the top-down structure of the present invention;
FIG. 4 is a schematic view of the structure of the utility model in a downward cut when the door is opened;
fig. 5 is an enlarged schematic view of the structure at b in fig. 4 according to the present invention.
In the figure: 1. a door frame; 2. a fire door panel; 3. a movable hinge page; 4. a gasket; 5. a movable base plate; 6. attaching a sealing strip; 7. a movable connecting rod; 8. an inner movable frame; 9. a support spring; 10. a movable cross bar; 11. attaching an inclined plane; 12. fitting a movable wheel; 13. a movable chute; 14. connecting the ear plates; 15. a side movable shaft; 16. a torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a threshold-free protective airtight door comprises a door frame 1 and a fireproof door panel 2, wherein a movable hinge 3 is arranged between the side edge of the fireproof door panel 2 and the door frame 1, a sealing gasket 4 is attached between the door frame 1 and the fireproof door panel 2, a movable bottom plate 5 is arranged at the bottom of the fireproof door panel 2, the movable bottom plate 5 forms a lifting structure at the bottom of the fireproof door panel 2, a joint sealing strip 6 is arranged between the movable bottom plate 5 and the ground, an inner movable frame 8 is integrally arranged above the movable bottom plate 5, the movable bottom plate 5 and the inner movable frame 8 are integrally arranged in the fireproof door panel 2 to form a lifting structure, the lifting stroke of the inner movable frame 8 is not smaller than the distance between the joint sealing strip 6 and the ground, a supporting spring 9 is attached between the movable lower edge of the inner movable frame 8 and the fireproof door panel 2, and the joint sealing strip 6 capable of lifting in one step is adapted to the threshold-free structure to carry out bottom closed protection;
as shown in fig. 1-2, the inner movable frame 8 is integrally rectangular, a movable cross bar 10 is arranged above the cross bar structure of the inner movable frame 8 in parallel, a fitting inclined plane 11 is integrally arranged on the upper edge of the inner movable frame 8, a fitting movable wheel 12 is arranged below the movable cross bar 10, an inclined plane pushing structure is formed between the inner movable frame 8 and the movable cross bar 10 through the fitting inclined plane 11 and the fitting movable wheel 12, the inner movable frame 8 and the fitting sealing strip 6 are flexibly driven to integrally lift and fit the ground through the inclined plane pushing structure of the fitting inclined plane 11 and the fitting movable wheel 12, a movable sliding chute 13 is formed at the fitting position of the movable cross bar 10 and the fireproof door panel 2, the movable cross bar 10 forms a sliding structure at the movable sliding chute 13, the fitting inclined plane 11 and the fitting movable wheel 12 are arranged in a staggered manner along the sliding direction of the movable sliding chute 13, and the fitting inclined plane 11 and the fitting movable wheel 12 which are staggered with each other are convenient to be mutually fitted and pushed to drive the inner movable frame 8 through the sliding of the movable cross bar 10.
As shown in fig. 3-5, a movable connecting rod 7 is installed between the side of the door panel 2 and the outer wall of the door frame 1, and the movable connecting rod 7 forms a deflection auxiliary supporting structure for the door panel 2, a connecting ear plate 14 is welded to the outer side of the middle of the movable cross rod 10, and the connecting ear plate 14 protrudes out of the surface of the fire door panel 2, and the connecting ear plate 14 and the side of the movable connecting rod 7 form a hinge connection, so that the movable cross rod 10 and the movable connecting rod 7 can keep linkage, the movable cross rod 10 is synchronously driven to move and adjust in coordination with the movement of the movable connecting rod 7, side movable shafts 15 are respectively arranged at the left end and the right end of the movable connecting rod 7, and the left end and the right end of the movable connecting rod 7 respectively form a rotating structure at the outer cavity of the door frame 1 and the connecting ear plate 14, and a torsion spring 16 is arranged on the outer side of the side movable shaft 15 to maintain elastic support the fire door panel 2 in a door-closed state, and the fire door panel 2 is elastically supported by the movable connecting rod 7, so that the fire door panel 2 is automatically closed and the movable connecting rod 7 and the movable connecting rod 10 and the movable connecting rod 6 is moved down to maintain a sealing strip.
The working principle is as follows: when using this no threshold protective airtight door, fire door plant 2 can normally deflect through the movable structure of activity hinge 3 and open and shut, the side keeps sealed with door frame 1 when closed through sealed pad 4 with last edge, and the laminating sealing strip 6 of bottom is owing to activity connecting rod 7 pulling activity horizontal pole 10 slides along activity spout 13 when closed, laminating movable pulley 12 laminates and pushes away interior movable frame 8 whole activity pushing down in laminating inclined plane 11, thereby activity bottom plate 5 keeps the cooperation of laminating bottom surface of pushing down the state and keeping the encapsulated situation with laminating sealing strip 6 when fire door plant 2 is closed, activity connecting rod 7 passes through side loose axle 15 simultaneously and constitutes triangular movable support structure between cavity and fire door plant 2, change the laminating length of side between activity connecting rod 7 and the fire door plant 2 through the contained angle change, thereby drive activity horizontal pole 10 in step, the elastic support reset effect of cooperation torsional spring 16, be convenient for fire door plant 2's the closing of deflecting by oneself.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. There is not threshold protective airtight door, including door frame (1) and fire prevention door plant (2), its characterized in that:
a movable hinge (3) is arranged between the side edge of the fireproof door panel (2) and the door frame (1), and a sealing gasket (4) is attached between the door frame (1) and the fireproof door panel (2);
a movable bottom plate (5) is arranged at the bottom of the fireproof door plate (2), the movable bottom plate (5) forms a lifting structure at the bottom of the fireproof door plate (2), and a joint sealing strip (6) is arranged between the movable bottom plate (5) and the ground;
a movable connecting rod (7) is installed between the side edge of the door plate (2) and the outer side wall of the door frame (1), and the movable connecting rod (7) forms a deflection auxiliary supporting structure for the door plate (2).
2. The sill-free protective containment door of claim 1, wherein: an inner movable frame (8) is integrally arranged above the movable bottom plate (5), the movable bottom plate (5) and the inner movable frame (8) are integrally arranged inside the fireproof door plate (2) to form a lifting structure, and the lifting stroke of the inner movable frame (8) is not less than the distance between the attaching sealing strip (6) and the ground;
and a supporting spring (9) is attached between the movable lower edge of the inner movable frame (8) and the fireproof door panel (2).
3. The sill-free protective containment door of claim 2, wherein: the whole inner movable frame (8) is of a rectangular structure, and a movable cross rod (10) is arranged above the cross rod structure of the inner movable frame (8) in parallel;
the upper edge of the inner movable frame (8) is provided with a joint inclined plane (11) in an integrated manner, a joint movable wheel (12) is installed below the movable cross rod (10), and an inclined plane pushing structure is formed between the inner movable frame (8) and the movable cross rod (10) through the joint inclined plane (11) and the joint movable wheel (12).
4. The sill-free protective containment door of claim 3, wherein: the movable sliding groove (13) is formed in the joint of the movable cross rod (10) and the fireproof door plate (2), the movable cross rod (10) forms a sliding structure in the movable sliding groove (13), and the joint inclined plane (11) and the joint movable wheel (12) are arranged in a staggered mode along the sliding direction of the movable sliding groove (13).
5. The sill-free protective containment door of claim 4, wherein: the outer side of the middle of the movable cross rod (10) is welded with a connecting lug plate (14), the connecting lug plate (14) protrudes out of the surface of the fireproof door plate (2), and the connecting lug plate (14) and the side end of the movable connecting rod (7) form a hinge connection.
6. The doorsill-free protective containment door of claim 5, wherein: both ends all are provided with side loose axle (15) about movable connecting rod (7), and both ends constitute revolution mechanic respectively in door frame (1) outside wall body and connection otic placode (14) about movable connecting rod (7) to the outside laminating of side loose axle (15) is provided with torsional spring (16) and keeps elastic support to the state of closing the door of fire door plant (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220008714.7U CN217602499U (en) | 2022-01-04 | 2022-01-04 | Protective airtight door without threshold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220008714.7U CN217602499U (en) | 2022-01-04 | 2022-01-04 | Protective airtight door without threshold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602499U true CN217602499U (en) | 2022-10-18 |
Family
ID=83560519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220008714.7U Active CN217602499U (en) | 2022-01-04 | 2022-01-04 | Protective airtight door without threshold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217602499U (en) |
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2022
- 2022-01-04 CN CN202220008714.7U patent/CN217602499U/en active Active
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