CN110847776A - Structure of door with viewing window - Google Patents

Structure of door with viewing window Download PDF

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Publication number
CN110847776A
CN110847776A CN201911147218.9A CN201911147218A CN110847776A CN 110847776 A CN110847776 A CN 110847776A CN 201911147218 A CN201911147218 A CN 201911147218A CN 110847776 A CN110847776 A CN 110847776A
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CN
China
Prior art keywords
door
door frame
door panel
threaded fastener
pipe
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.)
Granted
Application number
CN201911147218.9A
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Chinese (zh)
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CN110847776B (en
Inventor
莫礼
梁东华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GOLDEN OCEAN PRECISION MANUFACTURE Co Ltd
Original Assignee
GOLDEN OCEAN PRECISION MANUFACTURE Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by GOLDEN OCEAN PRECISION MANUFACTURE Co Ltd filed Critical GOLDEN OCEAN PRECISION MANUFACTURE Co Ltd
Priority to CN201911147218.9A priority Critical patent/CN110847776B/en
Publication of CN110847776A publication Critical patent/CN110847776A/en
Application granted granted Critical
Publication of CN110847776B publication Critical patent/CN110847776B/en
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    • 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
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • 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
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/52—Frames specially adapted for doors
    • 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
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The invention discloses a sightseeing door structure which comprises a light-transmitting plate, a door plate assembly and a door frame assembly, wherein the light-transmitting plate is made of laminated toughened glass, the door plate assembly comprises a door plate locking pipe, a door plate jacking pipe, a door plate bottom pipe, a door plate pull rod, a reinforcing block, a first threaded fastener, a second threaded fastener, a third threaded fastener and a first nut, a first corner block is inserted into the top of the door plate locking pipe, a second corner block is inserted into the end part of the door plate jacking pipe, the first threaded fastener penetrates through the door plate locking pipe and the first corner block and then is screwed into the second corner block, the door plate jacking pipe is connected with the second corner block through the second threaded fastener, the reinforcing block is inserted into the door plate locking pipe, the door plate pull rod penetrates through the door plate bottom pipe and the reinforcing block, the third threaded fastener penetrates through the reinforcing block and then is screwed into the door plate bottom pipe, and the first nut is. The weight of light-passing board can be reduced to above-mentioned structure, and the structural strength of door plant subassembly is higher, and the tenesmus deformation of reducible door plant subassembly is convenient for the switch of door plant subassembly.

Description

Structure of door with viewing window
Technical Field
The invention relates to the technical field of doors, in particular to a viewing door.
Background
At present, for a light-transmitting plate on a sightseeing door, organic glass is adopted in some cases, and although the light-transmitting plate is lighter in weight, the strength of the light-transmitting plate is poorer, and potential safety hazards exist. Some toughened glass has enough structural strength, but the weight of the toughened glass is large, so that the door plate falls and deforms, and the normal opening and closing of the door plate are affected.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a sightseeing door structure which can reduce the weight of a light-transmitting plate and the falling deformation of a door plate so as to facilitate the opening and closing of the door plate.
The scheme adopted by the invention is as follows: the sightseeing door structure comprises a light-transmitting plate, wherein the light-transmitting plate is made of laminated toughened glass; the door panel assembly comprises two door panel lock tubes, two door panel push tubes, two door panel bottom tubes, two door panel pull rods, a reinforcing block, a first threaded fastener, a second threaded fastener, a third threaded fastener and a first nut, the two door panel lock tubes are vertically arranged, the two door panel push tubes and the two door panel bottom tubes are transversely arranged, a first corner code block is inserted into the top of each door panel lock tube, a second corner code block is inserted into the end of each door panel push tube, the first threaded fastener penetrates through the door panel lock tubes and the first corner code block and then is screwed on the second corner code block, the door panel push tubes are connected with the second corner code block through the second threaded fastener, the reinforcing block is inserted into the bottom of the door panel lock tubes, the door panel pull rods penetrate through the door panel bottom tubes and the reinforcing block, the third threaded fastener penetrates through the reinforcing block and then is screwed on the door panel bottom tubes, the first nut is screwed at the end part of the door panel pull rod so as to clamp the reinforcing block between the door panel lock tube and the first nut, the door panel lock tube, the door panel top tube and the door panel bottom tube enclose a mounting opening, and the light-transmitting plate is positioned in the mounting opening; and the door frame assembly is rotatably connected with the door panel assembly through a door hinge.
The beneficial effect that above-mentioned scheme has: the weight of light-passing board can be reduced to above-mentioned structure, and the structural strength of door plant subassembly is higher, and the tenesmus deformation of reducible door plant subassembly is convenient for the switch of door plant subassembly.
According to the sightseeing door structure, the inner wall of the mounting opening is provided with the slot and the gap, the glass pressing plate is inserted into the slot, the gap is internally provided with the adhesive tape and the light-transmitting plate, and the light-transmitting plate is positioned between the glass pressing plate and the adhesive tape.
According to the sightseeing door structure, the door frame assembly comprises a door frame lock pipe, a door frame top plate, a door frame bottom plate, a door frame pull rod, a fourth threaded fastener, a fifth threaded fastener and a second nut; the two door frame locking pipes are vertically arranged, the door frame top pipe, the door frame top plate and the door frame bottom plate are transversely arranged, the two ends of each of the door frame top plate and the door frame bottom plate are provided with mounting heads, and the mounting heads are inserted into the end parts of the door frame locking pipes; the door plate pull rod penetrates through the door frame top pipe and the door frame locking pipe, the second nut is screwed at the end part of the door frame pull rod so as to clamp the door frame locking pipe between the second nut and the door frame top pipe, and the door frame locking pipe, the door frame top plate and the door frame bottom plate are encircled into a ring shape; the mounting head is connected with the door frame locking pipe through the fourth threaded fastener, and the door frame jacking pipe is connected with the door frame locking pipe through the fifth threaded fastener.
According to the sightseeing door structure, the outer side of the door frame assembly is provided with the supporting angle bar, and the supporting angle bar is connected with the door frame lock pipe through the sixth threaded fastener.
According to the sightseeing door structure, a door closer is arranged between the door plate assembly and the door frame assembly.
According to the sightseeing door structure, the door hinge comprises a first hinge seat which is arranged on the door panel assembly, and a first shaft sleeve is arranged on the first hinge seat; the second hinge seat is arranged on the door frame assembly, and a second shaft sleeve is arranged on the second hinge seat; the rotating shaft is inserted in the first shaft sleeve and the second shaft sleeve; and the bearing is sleeved on the rotating shaft and positioned between the first shaft sleeve and the second shaft sleeve.
According to the sightseeing door structure, a lockset is arranged on the door plate component or the door frame component.
According to the sightseeing door structure, the door frame assembly is provided with the beeper.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exploded view of a door panel assembly in an embodiment of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is an exploded view of a door frame assembly in an embodiment of the present invention;
FIG. 6 is an exploded view of a door hinge in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, the sightseeing door structure according to the embodiment of the invention includes a light-transmitting plate 10, a door panel assembly 20 and a door frame assembly 30, wherein the light-transmitting plate 10 is made of laminated tempered glass, and the door frame assembly 30 and the door panel assembly 20 are rotatably connected through a door hinge 40.
The door panel assembly 20 includes a door panel lock tube 21, a door panel top tube 22, a door panel bottom tube 23, a door panel pull rod 24, a reinforcement block 25, a first threaded fastener 261, a second threaded fastener 262, a third threaded fastener 263, and a first nut 264. The door panel lock tubes 21 are arranged to be two, the two door panel lock tubes 21 are vertically arranged, the door panel top tube 22 and the door panel bottom tube 23 are transversely arranged, and the door panel top tube 22 and the door panel bottom tube 23 are located between the two door panel lock tubes 21. A first angle block 271 is inserted at the top of the door panel lock pipe 21, a second angle block 272 is inserted at the end of the door panel top pipe 22, a first threaded fastener 261 penetrates through the door panel lock pipe 21 and the first angle block 271 and then is screwed on the second angle block 272, and the door panel top pipe 22 is connected with the second angle block 272 through a second threaded fastener 262. The reinforcing block 25 is inserted at the bottom of the door lock tube 21, the door pull rod 24 passes through the door bottom tube 23 and the reinforcing block 25, the third threaded fastener 263 passes through the reinforcing block 25 and then is screwed with the door bottom tube 23, and the first nut 264 is screwed at the end of the door pull rod 24 so as to clamp the reinforcing block 25 between the door lock tube 21 and the first nut 264. The door panel lock tube 21, the door panel top tube 22 and the door panel bottom tube 23 enclose a mounting opening, and the light-transmitting plate 10 is located in the mounting opening.
Through the structure, the weight of the light-transmitting plate 10 can be reduced, and the door panel assembly 20 has higher structural strength, so that the falling deformation of the door panel assembly 20 can be reduced, and the door panel assembly 20 can be conveniently opened and closed.
In addition, the first angle block 271 and the door panel lock tube 21 are connected by a seventh threaded fastener 265 to limit the shaking of the first angle block 271.
The inner wall of the mounting opening is provided with a slot 2811 and a notch 2822, the slot 2811 is inserted with a glass pressing plate 282, the notch 2822 is internally provided with an adhesive tape 283 and the light-transmitting plate 10, and the light-transmitting plate 10 is positioned between the glass pressing plate 282 and the adhesive tape 283. Specifically, referring to fig. 3 and 4, the slot 2811 and the notch 2822 are disposed on the door panel lock pipe 21, the door panel top pipe 22 and the door panel bottom pipe 23. The light-transmitting plate 10 can be positioned by the above structure, and rainwater can be restricted from permeating the door panel assembly 20.
Referring to fig. 1 and 5, the door frame assembly 30 includes a door frame lock pipe 31, a door frame top pipe 32, a door frame top plate 33, a door frame bottom plate 34, a door frame pull rod 35, a fourth threaded fastener 371, a fifth threaded fastener 372, and a second nut 373. The door frame lock pipe 31 sets up to two, and two door frame lock pipes 31 all are vertical layout, and door frame top pipe 32, door frame roof 33 and door frame bottom plate 34 all are horizontal layout. Both ends of the doorframe top plate 33 and both ends of the doorframe bottom plate 34 are provided with mounting heads 36, and the mounting heads 36 are inserted into the ends of the doorframe lock pipe 31. The door plate pull rod 24 penetrates through the door frame top pipe 32 and the door frame lock pipe 31, the second nut 373 is screwed on the end of the door frame pull rod 35 to clamp the door frame lock pipe 31 between the second nut 373 and the door frame top pipe 32, and the door frame lock pipe 31, the door frame top plate 33 and the door frame bottom plate 34 are enclosed into a ring shape. The mounting head 36 is connected to the doorframe lock pipe 31 by a fourth threaded fastener 371, and the doorframe push pipe 32 is connected to the doorframe lock pipe 31 by a fifth threaded fastener. Through this structure for door frame assembly 30 also has higher structural strength, with the deformation that reduces door frame assembly 30, makes things convenient for the switch of door plant subassembly 20.
Further, the door frame lock pipe 31 is connected to the door frame top plate 33 and the door frame lock pipe 31 is connected to the door frame bottom plate 34 by eighth screw fasteners 375.
In some embodiments, a door frame pull rod 35 and a door frame bottom tube may also be disposed at the bottom of the door frame assembly 30. Correspondingly, the door frame pull rod 35 at the bottom of the door frame assembly 30 is inserted into the door frame bottom tube and the door frame lock tube 31, and a nut is arranged at the end of the door frame pull rod 35.
The support angle bar 38 is disposed at the outer side of the doorframe assembly 30, and the support angle bar 38 is connected to the doorframe lock pipe 31 by a sixth threaded fastener 374, so as to further increase the structural strength of the doorframe assembly 30 and make the side surface of the doorframe assembly 30 more beautiful. Specifically, the supporting angle bars 38 may be formed by processing a section bar such as an angle steel.
A door closer 50 is provided between the door panel assembly 20 and the door frame assembly 30 to enable the door panel assembly 20 to be automatically closed.
Referring to fig. 1 and 6, the door hinge 40 includes a first hinge base 41, a second hinge base 42, a rotating shaft 43 and a bearing 44, the first hinge base 41 is disposed on the door panel lock pipe 21, a first shaft sleeve 45 is disposed on the first hinge base 41, the second hinge base 42 is disposed on the door frame lock pipe 31, a second shaft sleeve 46 is disposed on the second hinge base 42, the rotating shaft 43 is inserted into the first shaft sleeve 45 and the second shaft sleeve 46, the bearing 44 is sleeved on the rotating shaft 43, and the bearing 44 is disposed between the first shaft sleeve 45 and the second shaft sleeve 46.
A locker 60 is provided on the door frame assembly 30 to lock the sightseeing door and restrict the opening of the door panel assembly 20. The lock 60 may be a mechanical lock or an electronic lock.
In some embodiments, the latch 60 may be disposed on the door panel assembly 20.
A beeper 70 is provided on the door frame assembly 30 to call for help in case of an emergency.
The threaded fasteners may be configured as bolts or screws.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (8)

1. The sightseeing door structure is characterized by comprising
The light-transmitting plate is made of laminated toughened glass;
the door panel assembly comprises two door panel lock tubes, two door panel push tubes, two door panel bottom tubes, two door panel pull rods, a reinforcing block, a first threaded fastener, a second threaded fastener, a third threaded fastener and a first nut, the two door panel lock tubes are vertically arranged, the two door panel push tubes and the two door panel bottom tubes are transversely arranged, a first corner code block is inserted into the top of each door panel lock tube, a second corner code block is inserted into the end of each door panel push tube, the first threaded fastener penetrates through the door panel lock tubes and the first corner code block and then is screwed on the second corner code block, the door panel push tubes are connected with the second corner code block through the second threaded fastener, the reinforcing block is inserted into the bottom of the door panel lock tubes, the door panel pull rods penetrate through the door panel bottom tubes and the reinforcing block, the third threaded fastener penetrates through the reinforcing block and then is screwed on the door panel bottom tubes, the first nut is screwed at the end part of the door panel pull rod so as to clamp the reinforcing block between the door panel lock tube and the first nut, the door panel lock tube, the door panel top tube and the door panel bottom tube enclose a mounting opening, and the light-transmitting plate is positioned in the mounting opening;
and the door frame assembly is rotatably connected with the door panel assembly through a door hinge.
2. The sightseeing door structure of claim 1, wherein the inner wall of the mounting opening is provided with a slot and a notch, a glass pressing plate is inserted into the slot, an adhesive tape and the light-transmitting plate are arranged in the notch, and the light-transmitting plate is positioned between the glass pressing plate and the adhesive tape.
3. The sightseeing door structure of claim 1, wherein the door frame assembly includes a door frame lock tube, a door frame top plate, a door frame bottom plate, a door frame pull rod, a fourth threaded fastener, a fifth threaded fastener, and a second nut;
the two door frame locking pipes are vertically arranged, the door frame top pipe, the door frame top plate and the door frame bottom plate are transversely arranged, the two ends of each of the door frame top plate and the door frame bottom plate are provided with mounting heads, and the mounting heads are inserted into the end parts of the door frame locking pipes; the door plate pull rod penetrates through the door frame top pipe and the door frame locking pipe, the second nut is screwed at the end part of the door frame pull rod so as to clamp the door frame locking pipe between the second nut and the door frame top pipe, and the door frame locking pipe, the door frame top plate and the door frame bottom plate are encircled into a ring shape;
the mounting head is connected with the door frame locking pipe through the fourth threaded fastener, and the door frame jacking pipe is connected with the door frame locking pipe through the fifth threaded fastener.
4. The sightseeing door structure of claim 3, wherein the outside of the door frame assembly is provided with a support angle bar, the support angle bar being connected to the door frame lock tube by a sixth threaded fastener.
5. The sightseeing door structure of claim 1, wherein a door closer is disposed between the door panel assembly and the door frame assembly.
6. The sightseeing door structure of claim 1, wherein the door hinge includes
The first hinge seat is arranged on the door panel assembly, and a first shaft sleeve is arranged on the first hinge seat;
the second hinge seat is arranged on the door frame assembly, and a second shaft sleeve is arranged on the second hinge seat;
the rotating shaft is inserted in the first shaft sleeve and the second shaft sleeve;
and the bearing is sleeved on the rotating shaft and positioned between the first shaft sleeve and the second shaft sleeve.
7. The sightseeing door structure of claim 1, wherein a lock is provided on the door panel assembly or the door frame assembly.
8. The sightseeing door structure of claim 1, wherein a beeper is provided on the door frame assembly.
CN201911147218.9A 2019-11-21 2019-11-21 Structure of door with viewing window Active CN110847776B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911147218.9A CN110847776B (en) 2019-11-21 2019-11-21 Structure of door with viewing window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911147218.9A CN110847776B (en) 2019-11-21 2019-11-21 Structure of door with viewing window

Publications (2)

Publication Number Publication Date
CN110847776A true CN110847776A (en) 2020-02-28
CN110847776B CN110847776B (en) 2021-05-18

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1144163A (en) * 1997-07-28 1999-02-16 Takenaka Komuten Co Ltd Earthquake resistant door
CN101899937A (en) * 2010-08-02 2010-12-01 浙江瑞明节能门窗股份有限公司 Aluminum alloy lifting sliding energy-saving door system
CN103046845A (en) * 2013-01-30 2013-04-17 中国人民解放军总参谋部工程兵第四设计研究院 Sealed shielding observation window and construction method thereof
CN106761087A (en) * 2016-11-22 2017-05-31 重庆欧帆门业有限公司 Timber that structure is firm
CN107605349A (en) * 2017-09-08 2018-01-19 中山市鑫海精密制造科技有限公司 A kind of sealed glass door firm in structure
CN207500264U (en) * 2017-10-18 2018-06-15 清远欧派集成家居有限公司 Connection structure, doorframe structure and frame door construction
CN207747982U (en) * 2017-10-20 2018-08-21 无锡市东舟船舶设备股份有限公司 A60 grades of single fan steel doors
CN209860423U (en) * 2019-04-12 2019-12-27 广东瑞智电力科技有限公司 Device for preventing door plate from falling down, door and power distribution cabinet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1144163A (en) * 1997-07-28 1999-02-16 Takenaka Komuten Co Ltd Earthquake resistant door
CN101899937A (en) * 2010-08-02 2010-12-01 浙江瑞明节能门窗股份有限公司 Aluminum alloy lifting sliding energy-saving door system
CN103046845A (en) * 2013-01-30 2013-04-17 中国人民解放军总参谋部工程兵第四设计研究院 Sealed shielding observation window and construction method thereof
CN106761087A (en) * 2016-11-22 2017-05-31 重庆欧帆门业有限公司 Timber that structure is firm
CN107605349A (en) * 2017-09-08 2018-01-19 中山市鑫海精密制造科技有限公司 A kind of sealed glass door firm in structure
CN207500264U (en) * 2017-10-18 2018-06-15 清远欧派集成家居有限公司 Connection structure, doorframe structure and frame door construction
CN207747982U (en) * 2017-10-20 2018-08-21 无锡市东舟船舶设备股份有限公司 A60 grades of single fan steel doors
CN209860423U (en) * 2019-04-12 2019-12-27 广东瑞智电力科技有限公司 Device for preventing door plate from falling down, door and power distribution cabinet

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