CN111305701A - Barrier-free door with lower frame sealing structure - Google Patents
Barrier-free door with lower frame sealing structure Download PDFInfo
- Publication number
- CN111305701A CN111305701A CN202010067897.5A CN202010067897A CN111305701A CN 111305701 A CN111305701 A CN 111305701A CN 202010067897 A CN202010067897 A CN 202010067897A CN 111305701 A CN111305701 A CN 111305701A
- Authority
- CN
- China
- Prior art keywords
- door
- step surface
- lower frame
- barrier
- steel plate
- 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
Images
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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/70—Sills; Thresholds
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- 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
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
-
- 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
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
Abstract
The invention discloses an accessible door with a lower frame sealing structure. The door comprises a lower frame (1) of a door frame and a door leaf (2) movably connected with the door frame, and is characterized in that the lower frame (1) is a step-shaped structure formed by a high step surface (3) and a low step surface (4), the height difference between the high step surface (3) and the low step surface (4) is 10-15 mm, a groove (7) is formed between a high covering steel plate (5) of the high step surface (3) and a low covering steel plate (6) of the low step surface (4), a bidirectional sealing strip (8) is arranged in the groove (7), and at least two Pi-shaped sealing strips (9) are arranged on the lower surface of the door leaf (2) above the low step surface (4). The invention improves the sealing effect and reduces the obstruction to the entry door of the disabled wheelchair.
Description
The technical field is as follows:
the invention relates to a product required by a building, in particular to a door necessary for the building, and particularly relates to an obstacle-free door.
Background art:
with the improvement of living standard and the progress of social life, the disabled people have more and more phenomena in social life by using a wheelchair as a walking tool, the requirement of facilitating the wheelchair of the disabled people to get in and out becomes a daily requirement, if the internal and external ground surfaces of the entrance door are the same horizontal plane, the disabled vehicle can get in and out conveniently without barriers, but because a larger gap exists between the door leaf and the ground of the entrance door, a large amount of indoor heat is lost, and the building does not meet the standard of energy-saving buildings required by the state. However, according to national GB50763-2012 barrier-free design requirements, new buildings, namely buildings transformed, and the like need to be provided with barrier-free doors at specified positions, so that the building requirements of energy conservation and emission reduction are met, and barrier-free standards are met. Therefore, it is a problem to satisfy two specific and repulsive requirements at the same time.
The invention content is as follows:
the invention aims to disclose a barrier-free entrance door for a building, which can meet the requirements of energy conservation and emission reduction and the barrier-free standard at the same time.
The technical solution for realizing the invention is as follows: a barrier-free door with a lower frame sealing structure comprises a lower frame of a door frame and a door leaf movably connected with the door frame, particularly the lower frame is a door leaf with a high step surface and a low step surface which are step-shaped, the height difference between the high step surface and the low step surface is 10-15 mm, a groove is formed between a high covering steel plate of the high step surface and a low covering steel plate of the low step surface, a two-way sealing strip is arranged in the groove, and at least two Pi-shaped sealing strips are arranged on the lower surface of the door leaf above the low step surface.
The bidirectional sealing strip is provided with an embedded main body arranged in the groove, and one end of the main body of the groove is provided with an upper elliptical annular deformation strip and a lower elliptical annular deformation strip which are integrally formed.
The long axis of the upper elliptical ring-shaped deformation strip is vertical to the ground surface, and the long axis of the lower elliptical ring-shaped deformation strip is parallel to the ground surface.
The lower surface of the door leaf is provided with a lower plug, the inner surface and the outer surface of the door leaf are provided with an inner covering steel plate and an outer covering steel plate, the inner covering steel plate and the outer covering steel plate are respectively provided with a flanging bent towards the lower surface of the door leaf, and the lower plug and the flanging of the inner covering steel plate and the outer covering steel plate clamp the fixed edge of the type sealing strip.
The two ends of the lower plug are provided with upper flanges, and asbestos rubber gaskets are arranged between the upper flanges and the inner and outer covering steel plates.
A transverse support is arranged between the two sealing arms of the n-shaped sealing strip.
The front end of the high-coverage steel plate of the high step surface is provided with a downward inclined surface, and the height difference between the foremost end of the inclined surface and the high-coverage steel plate is 3-5 mm.
The structural design of the invention firstly solves the heat preservation and insulation requirements of the entrance door, achieves the environmental protection requirements of the building, simultaneously, the special low door frame enables the entrance door to be convenient for the disabled wheelchair to enter and exit, and particularly, the specially designed sealing element not only improves the sealing effect, but also reduces the obstruction to the disabled wheelchair to enter and exit the entrance door, thereby perfectly achieving the purpose of the invention.
Description of the drawings:
fig. 1 is a partial structural view of the barrier-free door of the present invention.
The specific implementation mode is as follows:
the detailed description of the embodiments of the present invention is given with reference to the accompanying drawings, and it should be noted that the detailed description of the embodiments of the present invention is provided for the purpose of facilitating a comprehensive understanding of the technical spirit of the present invention, and should not be construed as limiting the scope of protection of the claims of the present invention.
Referring to fig. 1, the technical solution of the embodiment of the present invention is: the lower frame 1 and the door leaf 2 are movably connected with the door frame, and the other parts of the door frame and the connecting piece of the door leaf 2 are not essentially different from the prior art, so that the details are not shown in figure 1, the key point is that the lower frame 1 is a step formed by a high step surface 3 and a low step surface 4, when the door frame is actually installed, the low step surface 4 is flush with the surface of an indoor or outdoor ground, the height difference between the high step surface 3 and the low step surface 4 is 10-15 mm, the special structural height difference can ensure the disabled wheelchair to smoothly pass through, a groove 7 is formed between the high covering steel plate 5 of the high step surface 3 and the low covering steel plate 6 of the low step surface 4, namely the high covering steel plate 5 extends out of an extending section of the high step surface 3, a bidirectional sealing strip 8 is arranged in the groove 7, and at least two Pi-shaped sealing strips 9 are arranged on the lower surface of the door leaf 2 above the low step; when the door leaf 2 and the lower frame 1 are in a closed state, at least two sealing areas are arranged between the door leaf 2 and the low step surface 4 of the lower frame 1, and two sealing areas are arranged between the corner of the door leaf 2 and the lower frame 1, so that a channel for air circulation between the lower surface of the door leaf 2 and the lower frame 1 is basically blocked, and the heat insulation performance of the barrier-free door is greatly improved.
The bidirectional sealing strip 8 is provided with an embedded main body arranged in the groove 7, and one end of the main body exposed out of the groove 7 is provided with an upper elliptical annular deformation strip 10 and a lower elliptical annular deformation strip 11 which are integrally formed; the upper elliptical ring-shaped deformation strip 10 blocks a gap between the end part of the high step surface 3 and the side wall of the door leaf 2, and the lower elliptical ring-shaped deformation strip 11 blocks a gap between the low step surface 4 and the lower surface of the door leaf 2; in order to further improve the blocking effect and prolong the service life of the two-way sealing strip 8, the long axis of the upper elliptical ring-shaped deformation strip 10 is vertical to the ground surface, the long axis of the lower elliptical ring-shaped deformation strip 11 is parallel to the ground surface, when the door leaf 2 extrudes the two-way sealing strip 8, the upper and lower elliptical ring-shaped deformation strips (10, 11) ensure a certain deformation amount to achieve the sealing effect, but the upper and lower elliptical ring-shaped deformation strips (10, 11) are not damaged due to integral bending, and the upper elliptical ring-shaped deformation strip 10 shields the end part of the high-coverage steel plate 5, so that the wheel body surface of the disabled wheelchair is in contact with the surface of the upper elliptical ring-shaped deformation strip 10, and the contact is elastic and increases the friction force during contact, so that the disabled wheelchair can roll over the height difference between the high and low step surfaces (3, 4) more smoothly.
The lower surface of the door leaf 2 is provided with a lower plug 12, the inner and outer surfaces of the door leaf 2 are provided with an inner covering steel plate 13 and an outer covering steel plate 14, the inner and outer covering steel plates (13, 14) are respectively provided with a flanging bent towards the lower surface of the door leaf 2, the inner and outer covering steel plates (13, 14) provide normal anti-theft function and fire-proof function under high temperature state for the door leaf 2, and the lower plug 12 and the flanging of the inner and outer covering steel plates (13, 14) clamp and fix the fixed edge of the Pi-shaped sealing strip (9). The lower plug 12 has two ends with upturned edges, the bottom of the door leaf 2 has a gap part on the inner and outer surfaces, the upturned edges cover the gap part, asbestos rubber gaskets 15 are arranged between the upturned edges and the inner and outer covering steel plates (13, 14), the lower plug 12 is made of thin steel plates, the lower surface of the door leaf 2 is protected, meanwhile, the asbestos rubber gaskets 15 enable the inner and outer covering steel plates (13, 14) and the lower plug 12 not to be contacted with each other, the channel for transmitting indoor and outdoor heat through the lower plug 12 and the inner and outer covering steel plates (13, 14) is blocked, and the heat preservation and insulation performance of the barrier-free door is further improved.
When the door leaf 2 is closed, as shown in the state of fig. 1, the door leaf 2 and the lower step surface 4 of the lower frame 1 are sealed by the pi-shaped sealing strip 9, the pi-shaped sealing strip 9 is provided with two downward sealing arms, the pi-shaped sealing strip 9 is made of elastic rubber plastic materials, the sealing arms are moderately deformed during sealing, and a transverse support (not shown in the figure) is arranged between the two sealing arms of the pi-shaped sealing strip 9 and is integrally extruded with the pi-shaped sealing strip 9, and can moderately increase the rigidity of the sealing arms or reduce the bending deformation of the sealing arms, so that the sealing performance of the pi-shaped sealing strip 9 is improved.
The front end of the high-coverage steel plate 5 of the high step surface 3 is provided with a downward inclined surface, the height difference between the foremost end of the inclined surface and the high-coverage steel plate 5 is 3-5 mm (not shown in the figure), the inclined surface enables the groove 7 to have a closing end, the clamping force of the groove 7 for clamping the main body part of the bidirectional sealing strip 8 can be improved, the bidirectional sealing strip 8 is not easy to separate from the groove 7, meanwhile, the inclined surface further reduces the resistance to the disabled wheelchair, and the disabled wheelchair can conveniently pass through.
Claims (7)
1. The barrier-free door with the lower frame sealing structure comprises a lower frame (1) of a door frame and a door leaf (2) movably connected with the door frame, and is characterized in that the lower frame (1) is in a step shape formed by a high step surface (3) and a low step surface (4), the height difference between the high step surface (3) and the low step surface (4) is 10-15 mm, a groove (7) is formed between a high covering steel plate (5) of the high step surface (3) and a low covering steel plate (6) of the low step surface (4), a bidirectional sealing strip (8) is arranged in the groove (7), and at least two n-shaped sealing strips (9) are arranged on the lower surface of the door leaf (2) above the low step surface (4).
2. The barrier-free door having a lower frame sealing structure as claimed in claim 1, wherein the two-way sealing strip (8) has an embedded body disposed in the groove (7), and an upper elliptical ring-shaped deformation strip (10) and a lower elliptical ring-shaped deformation strip (11) integrally formed are provided at an end of the body exposed from the groove.
3. The barrier-free door having a lower frame sealing structure as claimed in claim 2, wherein the upper elliptical ring-shaped deformation strip (10) has a major axis perpendicular to the ground surface, and the lower elliptical ring-shaped deformation strip (11) has a major axis parallel to the ground surface.
4. The barrier-free door with the lower frame sealing structure according to claim 1, 2 or 3, wherein the lower surface of the door leaf (2) is provided with a lower plug (12), the inner and outer surfaces of the door leaf (2) are provided with an inner covering steel plate (13) and an outer covering steel plate (14), the inner and outer covering steel plates (13, 14) are both provided with flanges bent towards the lower surface of the door leaf (2), and the lower plug (12) and the inner and outer covering steel plates (13, 14) clamp the fixed edges of the pi-shaped sealing strip (9).
5. The barrier-free door having a lower frame sealing structure as claimed in claim 4, wherein the lower block (12) has turned-up edges at both ends thereof, and asbestos rubber gaskets (15) are provided between the turned-up edges and the inner and outer facing steel plates (13, 14).
6. The barrier-free door with lower frame sealing structure as claimed in claim 5, wherein a lateral support is provided between the two sealing arms of said n-shaped sealing strip (9).
7. The barrier-free door having a lower frame sealing structure as claimed in claim 6, wherein the front end of the high covering steel plate (5) of the high step face (3) has a downward slope, and the height difference between the foremost end of the slope and the high covering steel plate (5) is 3 to 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067897.5A CN111305701A (en) | 2020-01-20 | 2020-01-20 | Barrier-free door with lower frame sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067897.5A CN111305701A (en) | 2020-01-20 | 2020-01-20 | Barrier-free door with lower frame sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305701A true CN111305701A (en) | 2020-06-19 |
Family
ID=71152789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067897.5A Pending CN111305701A (en) | 2020-01-20 | 2020-01-20 | Barrier-free door with lower frame sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197994A (en) * | 2021-12-17 | 2022-03-18 | 罗益机械制造(苏州)有限公司 | Stair door structure capable of being automatically closed |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667164A (en) * | 1969-06-19 | 1972-06-06 | Cray J Coppins | Door sill |
| CN2165216Y (en) * | 1993-09-17 | 1994-05-18 | 北京天海高压容器有限公司 | Cavity type seal strip |
| JPH11210347A (en) * | 1998-01-27 | 1999-08-03 | Tsuchiya Teisuko Kk | Sealing material for double sliding door sash |
| CN201581745U (en) * | 2009-12-25 | 2010-09-15 | 上海金粤幕墙有限公司 | Lower-part structure of flat-opening door |
| CN203594318U (en) * | 2013-09-25 | 2014-05-14 | 上海朗诗建筑科技有限公司 | High airtightness barrier-free door |
| JP2014156751A (en) * | 2013-02-18 | 2014-08-28 | Moritec International Co Ltd | Sealed door and frame body for the same |
| CN105317328A (en) * | 2015-11-05 | 2016-02-10 | 美环五金门部件（平湖）有限公司 | Doorsill assembly for barrier-free channel |
| CN207538764U (en) * | 2017-12-01 | 2018-06-26 | 江苏远翔装饰工程有限公司 | The accessible combination door system of yarn push-and-pull is opened outdoors |
| CN208152841U (en) * | 2018-03-15 | 2018-11-27 | 大连金禾木业发展有限公司 | Armored door outward swinging door ground sill |
-
2020
- 2020-01-20 CN CN202010067897.5A patent/CN111305701A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667164A (en) * | 1969-06-19 | 1972-06-06 | Cray J Coppins | Door sill |
| CN2165216Y (en) * | 1993-09-17 | 1994-05-18 | 北京天海高压容器有限公司 | Cavity type seal strip |
| JPH11210347A (en) * | 1998-01-27 | 1999-08-03 | Tsuchiya Teisuko Kk | Sealing material for double sliding door sash |
| CN201581745U (en) * | 2009-12-25 | 2010-09-15 | 上海金粤幕墙有限公司 | Lower-part structure of flat-opening door |
| JP2014156751A (en) * | 2013-02-18 | 2014-08-28 | Moritec International Co Ltd | Sealed door and frame body for the same |
| CN203594318U (en) * | 2013-09-25 | 2014-05-14 | 上海朗诗建筑科技有限公司 | High airtightness barrier-free door |
| CN105317328A (en) * | 2015-11-05 | 2016-02-10 | 美环五金门部件（平湖）有限公司 | Doorsill assembly for barrier-free channel |
| CN207538764U (en) * | 2017-12-01 | 2018-06-26 | 江苏远翔装饰工程有限公司 | The accessible combination door system of yarn push-and-pull is opened outdoors |
| CN208152841U (en) * | 2018-03-15 | 2018-11-27 | 大连金禾木业发展有限公司 | Armored door outward swinging door ground sill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197994A (en) * | 2021-12-17 | 2022-03-18 | 罗益机械制造(苏州)有限公司 | Stair door structure capable of being automatically closed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101899937B (en) | Aluminum alloy lifting sliding energy-saving door system | |
| CN111305701A (en) | Barrier-free door with lower frame sealing structure | |
| CN212201744U (en) | Barrier-free door with sealing performance | |
| CN201802237U (en) | Energy-saving lifting and sliding aluminium alloy door system | |
| CN113123712A (en) | Energy-saving sealed waterproof window | |
| CN202810593U (en) | Refrigerator-type thermal insulating door | |
| CN201474511U (en) | Seal flat-open door and seal flat-open window | |
| CN207377384U (en) | A kind of aluminium alloy out-open window | |
| CN207377391U (en) | A kind of aluminium alloy out-open window | |
| CN207377382U (en) | A kind of aluminium alloy out-open window | |
| CN210636991U (en) | Energy-saving composite wooden door | |
| CN109162610B (en) | Outward opening type door and window drainage structure | |
| CN217841310U (en) | High leakproofness austral window, sliding sash structure | |
| CN210317025U (en) | Window screen integrated casement window | |
| CN210422330U (en) | Three-sealing high-performance outward casement window | |
| CN220133857U (en) | Deformation guiding type universal window sealing strip structure | |
| CN214786890U (en) | Windproof and waterproof structure on three-rail sliding door/window | |
| CN220014989U (en) | Low-threshold thin vertical hinged door | |
| CN216665389U (en) | Low-energy-consumption building door and window capable of reducing indoor and outdoor heat exchange | |
| CN215632476U (en) | Inward opening door | |
| CN211448415U (en) | Energy-saving environment-friendly heat insulation door and window | |
| CN216553637U (en) | Novel anti-theft door | |
| CN218953138U (en) | High-tightness metal door and window | |
| CN217712234U (en) | Connection sealing structure between top of door leaf and door frame of spring door | |
| CN211370064U (en) | Window sash structure with high and low rails |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200619 |