CN110671022A - Temporary installation tool door for blocking room door opening - Google Patents
Temporary installation tool door for blocking room door opening Download PDFInfo
- Publication number
- CN110671022A CN110671022A CN201911072254.3A CN201911072254A CN110671022A CN 110671022 A CN110671022 A CN 110671022A CN 201911072254 A CN201911072254 A CN 201911072254A CN 110671022 A CN110671022 A CN 110671022A
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- Prior art keywords
- door
- rotating shaft
- bolt
- tool
- opening
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- 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.)
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- 238000009434 installation Methods 0.000 title claims abstract description 32
- 230000000903 blocking effect Effects 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 30
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000013404 process transfer Methods 0.000 description 1
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
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/02—Doors, windows, or like closures for special purposes; Border constructions therefor for out-buildings or cellars; Other simple closures not designed to be close-fitting
- E06B5/025—Provisional closures, e.g. temporary security doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
-
- 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
- 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
- E06B2003/7049—Specific panel characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a temporary installation tool door for blocking a room door opening, which has a complicated door opening blocking mode and is inconvenient to install and remove, and comprises a front door plate and a rear door plate, wherein a door belt is arranged on the front door plate and is fixed with the rear door plate through the door belt, a space capable of accommodating a clamping structure is formed in the front door plate and the rear door plate, the clamping structure comprises door bolts, a rotating shaft and door locks, a door lock is arranged at the position of the opening in the middle of the rotating shaft, two ends of the rotating shaft are respectively and rotatably connected with the door bolts through the rotating shaft, each door bolt stretches and retracts in the inner space of the tool door along with the rotation of the door lock, one end part of each door bolt, which is far away from the rotating shaft, is positioned outside the tool door body in a locking state of the door lock, realize the quick installation and the removal of instrument door, have good development prospect in building construction tool door technical field.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a temporary installation tool door for blocking a room door opening.
Background
In the present engineering construction practice, room door or entrance door and corresponding wall entrance to a cave that has the door opening nature, because of construction precedence order or process requirement, current use need be blocked, the process handing-over in room, go on through adopting interim confined mode, generally adopt the square timber, with plywood, the simple door is made to on-the-spot processing system and is carried out interim nail and dies, the preparation, installation and demolition process are time-consuming, the consumptive material, and can't have enough to meet the need the use, open inconveniently, building rubbish is many when demolising, and the inspection work during the construction of being not convenient for, present operating condition obviously can not satisfy the needs of high-efficient construction progress, consequently need one kind can install fast and remove the door plant structure, promote engineering progress and improvement engineering management level forcefully.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a temporary installation tool door for blocking a room door opening, and solves the problems of complicated existing door opening blocking mode and inconvenience in installation and removal.
The technical scheme includes that the temporary installation tool door for blocking a room door opening comprises a front door plate and a rear door plate, wherein a plurality of door belts are additionally arranged on the front door plate and are fixed with the rear door plate through door bolts which are used in corresponding holes in the door belts, the door belts are uniformly distributed on the door plates of the tool door so as to realize good fixation, the lower edges of the front door plate and the rear door plate are cut and bent and punched so as to be installed and fixed, a space capable of accommodating a clamping structure is formed in the front door plate and the rear door plate, the clamping structure comprises a door bolt, a rotating shaft and a door lock, the middle of the rotating shaft is provided with a hole, the door lock is installed at the hole opening position, the rotating shaft is arranged in the vertical direction, two ends of the rotating shaft are simultaneously driven to rotate in opposite directions through rotating the door lock, two ends of the rotating shaft are respectively and rotatably connected with the, the angle formed between each door bolt and the rotating shaft is recorded as theta, the half width of the front door panel 1 is recorded as L1, the length of each door bolt is L2, and L2 is larger than L1/sin theta in the state that the door lock is opened, so that one end part of each door bolt, far away from the rotating shaft, is positioned outside the tool door body in the locking state of the door lock and is positioned inside the tool door body in the opening state of the door lock.
After the tool door is assembled, before installation, firstly, a plurality of installation holes matched with door bolts on the tool door are punched on wall bodies or doorposts on two sides of a door opening of a room for blocking passage, wherein the shapes of the installation holes are consistent with the shapes of the cross sections of the door bolts, and the door bolts extend out of the side edge of the tool door body and then are inserted; after the installation holes are drilled, the tool door is placed in the middle of a door opening of a blocking room, the door lock is rotated by using a key to drive each door bolt to rotate, the tool door penetrates out of the tool door and is inserted into the installation holes, and the tool door is fixed in two side walls or door columns to be locked; when the tool door needs to be opened during process transfer, the key is used for reversely rotating the door lock to drive the door bolts to withdraw from the mounting holes and retract into the tool door so as to take the tool door out.
Further, joint structure below is provided with linkage structure, linkage structure includes keeper, pivot, axis of rotation and keeper fixed axle, the axis of rotation middle part set up with keeper fixed axle external diameter complex hole, the axis of rotation cover is established outside the keeper fixed axle, joint structure and linkage structure drive through the transfer line, are located and are provided with the hole that supplies the transfer line to pass on the door plant lies in the door area on the transfer line extending direction.
Furthermore, the transfer line is vertical pole, transfer line one end is rotated with arbitrary keeper in the joint structure and is connected, the transfer line other end rotates with the keeper that is connected the keeper homonymy in the linkage structure and is connected, avoids alternately, is connected the keeper that is connected with the transfer line in the linkage device through the transfer line when the keeper rotates in the joint structure with the transfer line to drive the axis of rotation through the keeper, reach the keeper that drives the opposite side and not connect the transfer line and carry out pivoted purpose, realize the synchronous drive.
Furthermore, the transmission rod comprises a vertical part movably connected with the door bolt in the clamping structure and an arc part rotatably connected with the end part of the rotating shaft in the linkage structure, the whole length of the transmission rod keeps synchronous with the center distance between the clamping structure and the linkage structure, namely, one end of the transmission rod is connected with the door bolt connected with the rotating shaft at the upper end in the clamping structure, and the other end of the transmission rod is connected with the upper end of the rotating shaft in the linkage structure; vice versa to guarantee that two axis of rotation syntropy in joint structure and the linkage rotate, guarantee that each keeper opens or closes simultaneously.
Furthermore, the number of the transmission rods can be multiple, the rotation shafts are used as symmetry axes and are symmetrically distributed, and timely and quick synchronous driving is guaranteed.
Further, the keeper fixed axle includes axle sleeve and axle core, be provided with the gasket between keeper fixed axle and the positive door plant, the axis of rotation is located between axle sleeve and the axle core and installs the gasket additional and fix, when carrying out the installation of keeper fixed axle, at first at positive door plant lower part screw hole department installation screw, later will have the gasket of through-hole to wear on the screw, then install the axle sleeve additional on the gasket, adopt the bolt to fix, and then put the axis of rotation in the axle sleeve of fretwork, penetrate the axle sleeve with the axle core at last and install the gasket additional and accomplish the installation.
Furthermore, a plurality of brackets matched with the bolts are arranged on the front door plate, the brackets and the front door plate are fixed in a welding mode, the brackets are located at one ends, far away from the rotating shaft, of the bolts and are used for the bolts to penetrate through, and the bolts are placed to directly droop after being retracted into the inner space of the tool door, so that secondary installation is influenced.
Furthermore, the front door plate, the rear door plate, the door belt and the bracket are made of profiled steel plates within the range of 1.3-1.7 mm.
Furthermore, the door bolt and the transmission rod are made of steel bars with the diameter of 5-12 mm.
The tool door with the structure has the technical effects that the clamping structure and the linkage structure which can be mutually driven are arranged in the inner space of the tool door, the initial rotation is realized by using a key outside the door plate, the movable clamping of a plurality of door bolts and the mounting holes on the side edges of the door opening is realized, and the tool door is further used for mounting and removing the tool door.
Drawings
FIG. 1 is a schematic view of the internal structure of the front door panel of the present invention.
FIG. 2 is a schematic view of the construction of the rear door panel of the present invention.
Fig. 3 is a schematic structural view of the clamping structure of the present invention.
Fig. 4 is a schematic structural view of the linkage structure of the present invention.
FIG. 5 is a schematic top view of the bracket of the present invention.
Fig. 6 is a side view of the bracket of the present invention.
1. A front door plate, 2 a rear door plate, 3 a door belt, 4 a door lock, 5 a door bolt, 6 a transmission rod, 6.1 a vertical part,
6.2. the door handle comprises a circular arc part, 7 rotating shafts, 8 bolt fixing shafts, 9 door handles, 10 brackets, 11 gaskets, 12 door nuts and 13 rotating shafts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: the temporary installation tool door for blocking a room door opening comprises a front door plate 1 and a rear door plate 2, wherein a plurality of door belts 3 are additionally arranged on the front door plate 1 and are fixed with the rear door plate 2 through door bolts 12 arranged in corresponding holes on the door belts 3, the door belts 3 are uniformly distributed on the door plates of the tool door so as to realize good fixation, the lower edges of the front door plate 1 and the rear door plate 2 are cut, bent and punched so as to be installed and fixed, a space capable of accommodating a clamping structure is formed in the front door plate 1 and the rear door plate 2, the clamping structure comprises a door bolt 5, a rotating shaft 7, a rotating shaft 13 and a door lock 4, the middle part of the rotating shaft 13 is provided with a hole, the rotating shaft 13 is arranged in the vertical direction, the two ends of the rotating shaft are driven to rotate in opposite directions through the rotating door lock 4, the two ends of the rotating shaft 13 are respectively connected with the door bolt 5 through the rotating shaft 7, thereby driving the door bolts to extend and retract in the inner space of the tool door, recording the state of each door bolt 5 when the door lock is opened, an angle formed between the right door panel 1 and the rotating shaft 13 is theta, half of the width of the right door panel 1 is marked as L1, the length of the bolt 5 is L2, L2> L1/sin theta, so as to ensure that one end part of each door bolt 5 far away from the rotating shaft 7 is positioned outside the tool door body in the locking state of the door lock 4 and is positioned inside the tool door body in the locking state of the door lock 4, a linkage structure is arranged below the clamping structure and comprises a bolt 5, a rotating shaft 7, a rotating shaft 13 and a bolt fixing shaft 8, the rotating shaft 13 is sleeved on the door bolt fixing shaft 8, the clamping structure and the linkage structure are driven through the transmission rod 6, and a hole for the transmission rod 6 to penetrate through is formed in the door belt 3, located on the door panel, in the extending direction of the transmission rod 6.
After the tool door is assembled, before the tool door is installed, firstly, a plurality of installation holes matched with the positions of door bolts 5 on the tool door are punched on wall bodies or doorposts on two sides of a door opening of a room for blocking passage, wherein the shapes of the installation holes are consistent with the shapes of the cross sections of the door bolts, and the door bolts extend out of the side edge of a tool door body and then are inserted; after the installation holes are drilled, the tool door is placed in the middle of a door opening of a blocking room, the door lock is rotated by using a key to drive each door bolt 5 to rotate, the tool door penetrates out of the tool door and is inserted into the installation holes, and the tool door is fixed in two side walls or door columns for locking; when the tool door is handed over and needs to be opened, the key is used for reversely rotating the door lock to drive the door bolts to extend out of the mounting holes and retract into the tool door, so that the tool door can be conveniently taken out.
Example two: on the basis of the first embodiment, the transmission rod 6 is a vertical rod, one end of the transmission rod 6 is rotatably connected with any bolt in the clamping structure, the other end of the transmission rod 6 is rotatably connected with the bolt connected with the same side of the bolt in the linkage structure, so that the crossing is avoided, the bolt connected with the transmission rod 6 in the linkage device is driven through the transmission rod 6 when the bolt connected with the transmission rod 6 in the clamping structure rotates, the rotating shaft is driven through the bolt, the purpose of driving the bolt of which the other side is not connected with the transmission rod 6 to rotate is achieved, and the synchronous driving is realized.
Example three: on the basis of the first embodiment, the transmission rod 6 comprises a vertical part 6.1 movably connected with a bolt in the clamping structure and an arc part 6.2 rotatably connected with the end part of a rotating shaft in the linkage structure, the whole length of the transmission rod 6 keeps synchronous with the central distance between the clamping structure and the linkage structure, namely, one end of the transmission rod 6 is connected with the bolt connected with the rotating shaft at the upper end in the clamping structure, and the other end of the transmission rod is connected with the upper end of the rotating shaft in the linkage structure; vice versa to guarantee that the clamping structure and the two rotating shafts 13 in the linkage structure rotate in the same direction, and guarantee that each bolt is opened or closed simultaneously.
In the second and third embodiments, the number of the transmission rods 6 may be multiple, and the transmission rods are symmetrically distributed by using the rotation shaft 13 as a symmetry axis, so as to ensure timely and rapid synchronous driving.
In the second and third embodiments, the door bolt fixing shaft 8 comprises a shaft sleeve and a shaft core, a gasket 11 is arranged between the door bolt fixing shaft 8 and the front door plate 1, the rotating shaft 13 is located between the shaft sleeve and the shaft core and is fixed by additionally installing the gasket 11, when the door bolt fixing shaft is installed, a screw is installed at a lower part of the front door plate 1, the gasket 11 with a through hole is arranged on the screw in an penetrating mode, the shaft sleeve is additionally installed on the gasket, the bolt is adopted for fixing, the rotating shaft 13 is placed in the hollowed-out shaft sleeve, and finally the shaft core penetrates through the shaft sleeve and is additionally installed with the gasket to complete installation.
In the above embodiment, the front door panel 1 is provided with a plurality of brackets 10 used in cooperation with each of the bolts 5, the brackets 10 are fixed to the front door panel 1 by welding, each of the brackets is located at one end of the bolt 5 away from the rotating shaft 13 for the bolt 5 to pass through, and the bolt is placed to directly droop after the bolt 5 is retracted into the inner space of the tool door, so that the reinstallation is affected.
In one embodiment, the front door panel 1, the rear door panel 2, the door belt 3 and the bracket 10 are made of profiled steel sheets in the range of 1.3-1.7mm, and the door bolt 5 and the transmission rod 6 are made of steel bars in the range of 5-12mm in diameter.
The tool door with the structure has the technical effects that the clamping structure and the linkage structure which can be mutually driven are arranged in the inner space of the tool door, the initial rotation is realized by using a key outside the door plate, the movable clamping of a plurality of door bolts and the mounting holes on the side edges of the door opening is realized, and the tool door is further used for mounting and removing the tool door.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (8)
1. A temporary installation tool door for blocking a room door opening comprises a front door panel (1) and a rear door panel (2), it is characterized in that the front door panel (1) is provided with a door belt (3) and fixed with the rear door panel (2) through the door belt (3), a space capable of accommodating the clamping structure is formed in the front door panel (1) and the rear door panel (2), the clamping structure comprises a bolt (5), a rotating shaft (7), a rotating shaft (13) and a door lock (4), the middle part of the rotating shaft (13) is provided with a hole, a door lock (4) is arranged at the position of the hole, the tool door is characterized in that two ends of the rotating shaft (13) are rotatably connected with the door bolts (5) through the rotating shaft (7), each door bolt (5) rotates along with the door lock (4) to stretch in the inner space of the tool door, and one end part, far away from the rotating shaft (7), of each door bolt (5) is located outside the tool door body in the locking state of the door lock (4) and located inside the tool door body in the opening state of the door lock (4).
2. The door with the temporary installation tool for blocking the door opening of a room according to claim 1, wherein a linkage structure is arranged below the clamping structure and comprises a door bolt (5), a rotating shaft (7), a rotating shaft (13) and a door bolt fixing shaft (8), a hole matched with the outer diameter of the door bolt fixing shaft (8) is formed in the middle of the rotating shaft (13), and the clamping structure and the linkage structure are driven through a transmission rod (6).
3. The temporary installation tool door for blocking the door opening of a room according to claim 2, wherein the transmission rod (6) is a vertical rod, one end of the transmission rod (6) is rotatably connected with any door bolt in the clamping structure, and the other end of the transmission rod (6) is rotatably connected with the door bolt on the same side of the connected door bolt in the linkage structure.
4. The door of a room door opening blocking temporary installation tool according to claim 2, wherein the transmission rod (6) comprises a vertical part (6.1) movably connected with a door bolt in the clamping structure and a circular arc part (6.2) rotatably connected with the end part of a rotating shaft in the linkage structure, and the length of the transmission rod (6) is kept synchronous with the central distance between the clamping structure and the linkage structure.
5. The door of a temporary installation tool for blocking a door opening of a room as claimed in claim 2, wherein the door bolt fixing shaft (8) comprises a shaft sleeve and a shaft core, a gasket (11) is arranged between the door bolt fixing shaft (8) and the front door panel (1), and the rotating shaft (13) is positioned between the shaft sleeve and the shaft core and is additionally provided with the gasket (11) for fixing.
6. A temporary installation tool door for a room door opening blocker according to claim 1, wherein the main door panel (1) is provided with a plurality of brackets (10) for cooperating with each of the bolts (5), each of the brackets being located at an end of the bolt (5) remote from the rotation shaft (13) for passing through the bolt (5).
7. A temporary installation tool door for a room door opening block according to any one of claims 1 to 6, wherein the front door panel (1), the rear door panel (2) and the door strap (3) are made of profiled steel sheets in the range of 1.3 to 1.7 mm.
8. A temporary installation tool door for blocking a room door opening according to any one of claims 2 to 6, wherein the door bolt (5) and the driving rod (6) are made of steel bars with a diameter in the range of 5 to 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072254.3A CN110671022B (en) | 2019-11-05 | 2019-11-05 | Temporary installation tool door for blocking door opening of room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072254.3A CN110671022B (en) | 2019-11-05 | 2019-11-05 | Temporary installation tool door for blocking door opening of room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110671022A true CN110671022A (en) | 2020-01-10 |
| CN110671022B CN110671022B (en) | 2024-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911072254.3A Active CN110671022B (en) | 2019-11-05 | 2019-11-05 | Temporary installation tool door for blocking door opening of room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671022B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214878A (en) * | 1991-01-24 | 1993-06-01 | Sps (Holdings) Ltd. | Security door assembly |
| JP2011026893A (en) * | 2009-07-28 | 2011-02-10 | Takigen Mfg Co Ltd | Door structure for casing |
| CN104003270A (en) * | 2014-06-10 | 2014-08-27 | 昆山亿顺自动化科技有限公司 | Lock for landing door of construction elevator |
| CN205046867U (en) * | 2015-10-22 | 2016-02-24 | 武汉建工集团股份有限公司 | Go up second open -type elevartor shaft safety -protective door |
| CN108222787A (en) * | 2018-03-20 | 2018-06-29 | 浙江开创智库科技有限公司 | A kind of novel building elevator protective door |
| CN208203005U (en) * | 2018-04-26 | 2018-12-07 | 浙江友邦集成墙面有限公司 | A kind of assembling door assembling structure |
| CN208441702U (en) * | 2018-06-20 | 2019-01-29 | 广东水电二局股份有限公司 | A kind of safety door in construction project |
| CN211313923U (en) * | 2019-11-05 | 2020-08-21 | 河南省第二建设集团有限公司 | Temporary installation tool door for blocking room door opening |
-
2019
- 2019-11-05 CN CN201911072254.3A patent/CN110671022B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214878A (en) * | 1991-01-24 | 1993-06-01 | Sps (Holdings) Ltd. | Security door assembly |
| JP2011026893A (en) * | 2009-07-28 | 2011-02-10 | Takigen Mfg Co Ltd | Door structure for casing |
| CN104003270A (en) * | 2014-06-10 | 2014-08-27 | 昆山亿顺自动化科技有限公司 | Lock for landing door of construction elevator |
| CN205046867U (en) * | 2015-10-22 | 2016-02-24 | 武汉建工集团股份有限公司 | Go up second open -type elevartor shaft safety -protective door |
| CN108222787A (en) * | 2018-03-20 | 2018-06-29 | 浙江开创智库科技有限公司 | A kind of novel building elevator protective door |
| CN208203005U (en) * | 2018-04-26 | 2018-12-07 | 浙江友邦集成墙面有限公司 | A kind of assembling door assembling structure |
| CN208441702U (en) * | 2018-06-20 | 2019-01-29 | 广东水电二局股份有限公司 | A kind of safety door in construction project |
| CN211313923U (en) * | 2019-11-05 | 2020-08-21 | 河南省第二建设集团有限公司 | Temporary installation tool door for blocking room door opening |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110671022B (en) | 2024-06-28 |
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