CN113389471A - Hidden type electric box door and installation method - Google Patents
Hidden type electric box door and installation method Download PDFInfo
- Publication number
- CN113389471A CN113389471A CN202110836236.9A CN202110836236A CN113389471A CN 113389471 A CN113389471 A CN 113389471A CN 202110836236 A CN202110836236 A CN 202110836236A CN 113389471 A CN113389471 A CN 113389471A
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- door
- door frame
- edge
- frame
- decorative wallboard
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- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
- E04F13/073—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements for particular building parts, e.g. corners or columns
-
- 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
- E06B1/12—Metal frames
-
- 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
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Special Wing (AREA)
Abstract
A hidden electric box door and an installation method. The hidden electric box door comprises a door frame, a door leaf and a hidden door hinge; the hidden electric box door and the installation method provided by the invention have the following beneficial effects: the aluminum alloy section is selected as a main material, and is easy to form and high in precision. The door frame is hidden behind the decorative wallboard, the invisible door hinge cannot be installed close to the visible surface due to the thickness problem of the decorative wallboard, the door cannot be opened in the conventional installation method, and in order to solve the problem, the rotating shaft of the invisible door hinge is creatively moved to the inner side of the door leaf, so that the problem of opening the door is solved. The decorative effect is good, can realize the integration of door wall, makes the door frame hide in decorative wall face, opens in a flexible way, and the while is fireproof effect good, simple structure, and production machining efficiency is high, the mass production of being convenient for, and is with low costs.
Description
Technical Field
The invention belongs to the technical field of public interior decoration, and particularly relates to a hidden type electric box door and an installation method.
Background
In a building, electrical control boxes for controlling electrical equipment are widely distributed, and each electrical control box needs to be provided with an electrical box door for maintenance and inspection. The traditional electric box door is generally made of steel and is sprayed in a single color, so that no decorative effect is produced. When the wall is decorated, the electric box door is difficult and is not generally decorated, thereby seriously influencing the decoration effect. Therefore, a door and wall integrated hidden electric box door with simple structure and good decorative effect is needed in the market.
Disclosure of Invention
In order to solve the above problems, the present invention provides a hidden electrical box door and an installation method thereof.
In order to achieve the purpose, the hidden electrical box door provided by the invention is arranged at the outer port of an electrical control box opening formed on a wall body, a decorative wall plate is arranged on the visible surface of the wall body positioned around the electrical control box opening, the side edge of the decorative wall plate extends to the inner side edge of the electrical control box opening, and an installation groove or no groove is formed in the middle of the side edge exposed in the electrical control box opening on the decorative wall plate along the length direction of the side edge; the hidden electric box door comprises a door frame, a door leaf and a hidden door hinge; the door frame consists of upper and lower transverse door frame strips and left and right vertical door frame strips, wherein the corners of the door frame strips are connected together through corner connectors; the main body of the door frame strip is of a hollow structure, the cross section of the door frame strip is rectangular, one side edge of the front end surface extends towards the wall body to form a positioning edge, the positioning edge is inserted between the wall body and the decorative wallboard, and the outer side surfaces of the front end surface and the positioning edge are close to the back surface of the decorative wallboard; the outer end of the outer side surface, close to the door leaf, of the door frame strip extends outwards to form a baffle plate, the outer end or the middle part of the baffle plate extends towards the direction of the wall body to form a mounting edge, the baffle plate is attached to the side edge of the decorative wallboard, and the mounting edge is attached to the edge of the visible surface of the decorative wallboard or inserted into a mounting groove in the decorative wallboard, so that the side edge of the decorative wallboard is wrapped or clamped; meanwhile, the rear part of the outer side surface extends to the direction departing from the wall body to form a stop edge, and a stop is formed for the door fan;
the door leaf is arranged at the position outside the stopping edge in the space surrounded by the door frame and comprises a leaf frame and an outer door plate; the fan frame is positioned on the inner side of the door frame and consists of upper and lower horizontal fan frame strips and left and right vertical fan frame strips, wherein the corners of the upper and lower horizontal fan frame strips are connected together through corner connectors; the sash bar is of a hollow structure, the section of the sash bar is rectangular, and one side edge of the front end face extends towards the wall body and then outwards to form an L-shaped baffle; the side surface of the outer door plate is connected to the baffle plate of the sash frame, and the edge of the back surface of the outer door plate is connected to the front end surface of the sash frame strip;
at least one invisible door hinge is arranged on one door frame strip and one sash strip which are positioned on the same side of the door frame and the door sash; the opening and closing axis of the invisible door hinge deviates from the center of a door gap between a door frame and a door leaf and is close to one side of the door leaf.
The visible surface of the outer door panel is flush with the visible surface of the decorative wallboard.
The fan frame is made of aluminum alloy sections.
The door frame is made of aluminum alloy sections.
The outer door plate is connected with the front end face of the fan frame and the baffle plate through fireproof flame-retardant glue.
The width of the stopping edge is larger than the distance between the door frame and the fan frame.
The installation method of the hidden electric box door provided by the invention comprises the following steps in sequence:
1) connecting the corners of the vertical door frame strips with the corners of the vertical door frame strips to form the door frame;
2) installing a decorative wallboard on the visible surface of the wall body, attaching the baffle plate on the door frame strip to the side edge of the decorative wallboard when the decorative wallboard is installed to the opening of the electrical control box, and attaching the installation edge to the visible surface edge of the decorative wallboard or inserting the installation edge into the installation groove on the decorative wallboard, so as to wrap or clamp the side edge of the decorative wallboard, and enable the decorative wallboard and the door frame to form a whole;
3) connecting the corners of the vertical and horizontal fan frame strips with the corners of the left and right vertical fan frame strips through corner connectors to form a fan frame, and then assembling the fan frame and the outer door plate into a door leaf;
4) mounting the invisible door hinge on a door frame strip and a sash strip which are positioned on the same side of the door frame and the sash;
5) and (5) installing a door lock and adjusting a door gap.
The hidden electric box door and the installation method provided by the invention have the following beneficial effects: the invention selects the aluminum alloy section as the main material, and the aluminum alloy section is easy to form and has high precision. The door frame is hidden behind the decorative wallboard, the invisible door hinge cannot be installed close to the visible surface due to the thickness problem of the decorative wallboard, the door cannot be opened in the conventional installation method, and in order to solve the problem, the rotating shaft of the invisible door hinge is creatively moved to the inner side of the door leaf, so that the problem of opening the door is solved. The decorative effect is good, can realize the integration of door wall, makes the door frame hide in decorative wall face, opens in a flexible way, and the while is fireproof effect good, simple structure, and production machining efficiency is high, the mass production of being convenient for, and is with low costs.
Drawings
Fig. 1 is a cross sectional view of the horizontal structure of the concealed electrical box door provided by the invention when being matched with a decorative wall plate with an unslotted side edge.
Fig. 2 is a cross sectional view of the horizontal structure of the concealed electrical box door of the present invention when the door is engaged with the decorative wall plate with the side slots.
Fig. 3 is a cross sectional view of the hidden electrical box door provided by the invention and provided with the invisible hinge.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1-3, the hidden electrical box door provided by the present invention is disposed at an outer port of an electrical control box opening 23 formed on a wall 1, a decorative wall panel 2 is mounted on a visible surface of the wall 1 around the electrical control box opening 23, a side edge of the decorative wall panel 2 extends to an inner side edge of the electrical control box opening 23, and an installation groove 19 or no groove is formed in the middle of the side edge of the decorative wall panel 2 exposed in the electrical control box opening 23 along the length direction of the side edge; the hidden electric box door comprises a door frame 3, a door leaf 4 and a hidden door hinge 20; the door frame 3 is composed of a door frame strip with upper and lower transverse edges and a door frame strip with left and right vertical edges, wherein the corners of the door frame strip are connected together through corner connectors; the main body of the door frame strip is a hollow structure, the section is rectangular, one side of the front end face 16 extends towards the wall body 1 to form a positioning edge 17, the positioning edge 17 is inserted between the wall body 1 and the decorative wallboard 2, and the outer side faces of the front end face 16 and the positioning edge 17 are close to the back face of the decorative wallboard 2, so that the door frame 3 is covered by the decorative wallboard 2 and is hidden in the opening 23 of the electrical control box, and the door frame 3 cannot be seen when the door leaf 4 is closed; the outer end of the outer side 18 of the door frame strip close to the door leaf 4 extends outwards to form a baffle plate 14, the outer end or the middle part of the baffle plate 14 extends towards the wall body 1 to form a mounting edge 15, wherein the baffle plate 14 is attached to the side edge of the decorative wallboard 2, and the mounting edge 15 is attached to the visible surface edge of the decorative wallboard 2 or inserted into a mounting groove 19 on the decorative wallboard 2, so that the side edge of the decorative wallboard 2 is wrapped or clamped; meanwhile, the rear part of the outer side surface 18 extends to the direction away from the wall body 1 to form a stop edge 10, and a stop is formed for the door leaf 4;
the door leaf 4 is arranged at a position which is positioned outside the stopping edge 10 in a space enclosed by the door frame 3 and comprises a leaf frame 6 and an outer door plate 8; the fan frame 6 is positioned at the inner side of the door frame 3 and consists of a vertical transverse fan frame strip and a left vertical fan frame strip which are connected together through corner codes at the corners; the sash bar is of a hollow structure, the section of the sash bar is rectangular, and one side edge of the front end face extends towards the wall body 1 and then outwards to form an L-shaped baffle 12; the side surface of the outer door plate 8 is connected to the baffle plate 12 of the sash frame 6, and the edge of the back surface is connected to the front end surface of the sash frame strip; the outer door panel 8 occupies the visible area of the whole door leaf 4, and other parts on the door leaf 4 are hidden in the opening 23 of the electrical control box and cannot be seen when the door leaf 4 is closed;
at least one invisible door hinge 20 is arranged on one door frame strip and one sash strip which are positioned on the same side of the door frame 3 and the door leaf 4; the opening and closing axis 21 of the invisible door hinge 20 is deviated from the center 22 of the door gap between the doorframe 3 and the door leaf 4 and is close to one side of the door leaf 4.
The visible surface of the outer door panel 8 is flush with the visible surface of the decorative wall panel 2, so that the decorative effect is consistent.
The fan frame 6 is made of aluminum alloy section.
The door frame 3 is made of aluminum alloy section.
The outer door panel 8 is connected with the front end face of the fan frame 6 and the baffle 12 by fireproof flame-retardant glue.
The width of the stop edge 10 is greater than the distance between the door frame 3 and the sash frame 6.
The installation method of the hidden electric box door provided by the invention comprises the following steps in sequence:
1) connecting the corners of the vertical door frame strips with the corners of the vertical door frame strips to form a door frame 3;
2) installing a decorative wallboard 2 on the visible surface of the wall body 1, and attaching a baffle plate 14 on a door frame strip to the side edge of the decorative wallboard 2 when the decorative wallboard 2 is installed to the opening 23 of the electrical control box, wherein an installation edge 15 is attached to the visible surface edge of the decorative wallboard 2 or inserted into an installation groove 19 on the decorative wallboard 2, so that the side edge of the decorative wallboard 2 is wrapped or clamped, and the decorative wallboard 2 and the door frame 3 form a whole;
3) connecting the corners of the vertical and horizontal fan frame strips with the corners of the left and right vertical fan frame strips through corner connectors to form a fan frame 6, and then assembling the fan frame 6 and the outer door panel 8 into a door leaf 4;
4) the invisible door hinge 20 is arranged on a door frame strip and a sash strip which are positioned on the same side of the door frame 3 and the door leaf 4;
5) and (5) installing a door lock and adjusting a door gap.
Claims (7)
1. A hidden electrical box door is arranged at an outer port of an electrical control box opening (23) formed in a wall body (1), a decorative wallboard (2) is installed on a visible surface of the wall body (1) positioned on the periphery of the electrical control box opening (23), the side edge of the decorative wallboard (2) extends to the inner side edge of the electrical control box opening (23), and an installation groove (19) or no groove is formed in the middle of the side edge of the decorative wallboard (2) exposed in the electrical control box opening (23) along the length direction of the side edge; the method is characterized in that: the hidden electric box door comprises a door frame (3), a door leaf (4) and a hidden door hinge (20); the door frame (3) is composed of a door frame strip with upper and lower transverse edges and a door frame strip with left and right vertical edges, wherein the corners of the door frame strip are connected together through corner connectors; the main body of the door frame strip is of a hollow structure, the cross section of the door frame strip is rectangular, one side edge of the front end surface (16) extends towards the wall body (1) to form a positioning edge (17), the positioning edge (17) is inserted between the wall body (1) and the decorative wallboard (2), and the outer side surfaces of the front end surface (16) and the positioning edge (17) are close to the back surface of the decorative wallboard (2); the outer end of the outer side face (18) close to the door leaf (4) on the door frame strip extends outwards to form a baffle plate (14), the outer end or the middle part of the baffle plate (14) extends towards the direction of the wall body (1) to form a mounting edge (15), wherein the baffle plate (14) is attached to the side edge of the decorative wallboard (2), the mounting edge (15) is attached to the edge of the visible face of the decorative wallboard (2) or inserted into a mounting groove (19) on the decorative wallboard (2), and therefore the side edge of the decorative wallboard (2) is wrapped or clamped; meanwhile, the rear part of the outer side surface (18) extends to the direction departing from the wall body (1) to form a stopping edge (10) to stop the door leaf (4);
the door leaf (4) is arranged at a position which is positioned at the outer side of the stopping edge (10) in a space enclosed by the door frame (3) and comprises a leaf frame (6) and an outer door panel (8); the fan frame (6) is positioned on the inner side of the door frame (3) and consists of a vertical transverse fan frame strip and a left vertical fan frame strip which are connected together through corner connectors at the corners; the sash bar is of a hollow structure, the section of the sash bar is rectangular, and one side edge of the front end surface extends outwards towards the wall body (1) to form an L-shaped baffle (12); the side surface of the outer door plate (8) is connected to the baffle (12) of the sash frame (6), and the edge of the back surface is connected to the front end surface of the sash frame strip;
at least one invisible door hinge (20) is arranged on a door frame strip and a sash strip which are positioned on the same side of the door frame (3) and the door leaf (4); the opening and closing axis (21) of the invisible door hinge (20) deviates from the center (22) of the door gap between the door frame (3) and the door leaf (4) and is close to one side of the door leaf (4).
2. The concealed electrical box door of claim 1, wherein: the visible surface of the outer door panel (8) is flush with the visible surface of the decorative wallboard (2).
3. The concealed electrical box door of claim 1, wherein: the fan frame (6) is made of aluminum alloy sections.
4. The concealed electrical box door of claim 1, wherein: the door frame (3) is made of aluminum alloy sections.
5. The concealed electrical box door of claim 1, wherein: the outer door panel (8) is connected with the front end face of the fan frame (6) and the baffle (12) by fireproof flame-retardant glue.
6. The concealed electrical box door of claim 1, wherein: the width of the stopping edge (10) is larger than the distance between the door frame (3) and the fan frame (6).
7. The method for installing a concealed electrical box door according to claim 1, wherein: the installation method comprises the following steps carried out in sequence:
1) connecting the corners of the vertical door frame strips with the corners of the vertical door frame strips to form a door frame (3);
2) the method comprises the following steps that a decorative wallboard (2) is installed on a visible surface of a wall body (1), when the wallboard (2) to be decorated is installed to an electric control box opening (23), a baffle (14) on a door frame strip is attached to the side edge of the decorative wallboard (2), and a mounting edge (15) is attached to the edge of the visible surface of the decorative wallboard (2) or inserted into a mounting groove (19) in the decorative wallboard (2), so that the side edge of the decorative wallboard (2) is wrapped or clamped, and the decorative wallboard (2) and a door frame (3) form a whole;
3) connecting the corners of the vertical and horizontal fan frame strips with the corners of the left and right vertical fan frame strips through corner connectors to form a fan frame (6), and assembling the fan frame (6) and the outer door panel (8) into a door leaf (4);
4) the invisible door hinge (20) is arranged on a door frame strip and a sash strip which are positioned on the same side of the door frame (3) and the door leaf (4);
5) and (5) installing a door lock and adjusting a door gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110836236.9A CN113389471A (en) | 2021-07-23 | 2021-07-23 | Hidden type electric box door and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110836236.9A CN113389471A (en) | 2021-07-23 | 2021-07-23 | Hidden type electric box door and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113389471A true CN113389471A (en) | 2021-09-14 |
Family
ID=77626860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110836236.9A Pending CN113389471A (en) | 2021-07-23 | 2021-07-23 | Hidden type electric box door and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113389471A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835624A (en) * | 2014-02-12 | 2014-06-04 | 苏州金螳螂建筑装饰股份有限公司 | Blank door with outward-opening angle larger than 150 degrees |
| CN111852255A (en) * | 2020-08-18 | 2020-10-30 | 南京风禹新材料科技有限责任公司 | Door-wall integrated equipment well door frame and installation method |
| CN212054311U (en) * | 2020-03-17 | 2020-12-01 | 中国建筑装饰集团有限公司 | Hidden door structure capable of being completely opened |
| CN215408257U (en) * | 2021-07-23 | 2022-01-04 | 滁州风禹新材料科技有限公司 | Hidden electrical box door |
-
2021
- 2021-07-23 CN CN202110836236.9A patent/CN113389471A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835624A (en) * | 2014-02-12 | 2014-06-04 | 苏州金螳螂建筑装饰股份有限公司 | Blank door with outward-opening angle larger than 150 degrees |
| CN212054311U (en) * | 2020-03-17 | 2020-12-01 | 中国建筑装饰集团有限公司 | Hidden door structure capable of being completely opened |
| CN111852255A (en) * | 2020-08-18 | 2020-10-30 | 南京风禹新材料科技有限责任公司 | Door-wall integrated equipment well door frame and installation method |
| CN215408257U (en) * | 2021-07-23 | 2022-01-04 | 滁州风禹新材料科技有限公司 | Hidden electrical box door |
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