CN112310869A - Distribution box capable of automatically closing window by utilizing gravity - Google Patents
Distribution box capable of automatically closing window by utilizing gravity Download PDFInfo
- Publication number
- CN112310869A CN112310869A CN202011198213.1A CN202011198213A CN112310869A CN 112310869 A CN112310869 A CN 112310869A CN 202011198213 A CN202011198213 A CN 202011198213A CN 112310869 A CN112310869 A CN 112310869A
- Authority
- CN
- China
- Prior art keywords
- movably connected
- closing
- spring
- window
- gravity
- 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.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/004—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by thermostats, rain, wind or noise
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F2017/005—Special devices for shifting a plurality of wings operated simultaneously for sliding wings
Abstract
The invention relates to the rainproof technical field of distribution boxes and discloses a distribution box capable of automatically closing a window by utilizing gravity, which comprises a rain collecting groove, the bottom of the rain collecting groove is interactively connected with a transmission rod, the bottom of the transmission rod is movably connected with a mounting seat, the bottom of the mounting seat is movably connected with a return spring, the left side of the mounting seat is movably connected with a pull rod, the top of the pull rod is movably connected with a transmission block, the left side of the transmission block is movably connected with a buffer spring, rain and snow passing through the outside can fall into the rain collecting groove, a large amount of rain and snow is accumulated in the rain collecting groove at the moment, so that the acting force exerted on the return spring by the gravity is increased, the acting force is transferred into the return spring through the transmission rod, thereby compress reset spring and make it take place to drive the mount pad downstream after the deformation, the mount pad motion and then drive two connecting plates and move in opposite directions, until two closure plate contacts, thereby automatic closed window prevents the effect of rainwater seepage when having reached rainy day.
Description
Technical Field
The invention relates to the technical field of distribution box rainproof, in particular to a distribution box capable of automatically closing a window by utilizing gravity.
Background
With the development of science and technology, electric power gradually evolves to be one of the most important energy sources of people, the normal life and development of people do not leave the support of electric power at present, and in order to guarantee the normal operation of cities, distribution boxes are often arranged at multiple corners of the cities to supply electric power in regions.
The block terminal is generally established in the open air, because the block terminal during operation can produce a large amount of heats, so the ventilation hole has often been seted up on its surface, and this kind of ventilation hole does not have automatic closed function, has the risk of rainwater seepage in the rainy day that comes, in case the rainwater instils into the inside circuit that very easily leads to the fact its inside of block terminal and damages, and then leads to the fact economic loss.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a distribution box capable of automatically closing a window by using gravity is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the distribution box capable of automatically closing the window by utilizing gravity, which has the advantages that the window is automatically closed to prevent rainwater leakage in rainy days with the internal air flow speed automatically accelerated in sunny days, the internal humid air is automatically cleaned in the process of closing the window to prevent the internal humid air from influencing the operation of equipment, and the problems that the ventilation opening of the transmission distribution box has no automatic closing function, the rainwater leakage risk exists, and the air with high internal humidity cannot be automatically extracted are solved.
(II) technical scheme
In order to realize the purposes of automatically closing and closing the window to prevent rainwater leakage in rainy days under the condition of automatically assisting to accelerate the flow speed of the internal air in sunny days and automatically cleaning the internal humid air in the process of closing the window to prevent the internal humid air from influencing the operation of equipment, the invention provides the following technical scheme: a distribution box capable of automatically closing a window by utilizing gravity comprises a rain collecting groove, wherein the bottom of the rain collecting groove is interactively connected with a transmission rod, the bottom of the transmission rod is movably connected with an installation seat, the bottom of the installation seat is movably connected with a reset spring, the left side of the installation seat is movably connected with a pull rod, the top of the pull rod is movably connected with a transmission block, the left side of the transmission block is movably connected with a buffer spring, the left side of the buffer spring is movably connected with a rotary seat, the left side of the rotary seat is movably connected with a rotary fan blade, the left side of the rotary fan blade is movably connected with an air outlet, the top of the transmission block is interactively connected with a closing rod, the top of the closing rod is movably connected with a pull block, the inner part of the pull block is movably connected with a sliding guide rail, the rainwater collection tank is characterized in that a pressing rod is movably connected to the bottom of the rainwater collection tank, a pressurizing block is movably connected to the bottom of the pressing rod, a ventilation spring is movably connected to the bottom of the pressurizing block, and an air bag is movably connected to the bottom of the ventilation spring.
Preferably, the number of the closing rods is two, and the closing rods are symmetrically distributed at the upper end and the lower end of the transmission block.
Preferably, the plastic spring is movably connected in the air bag, and the central axis of the air bag is in the same straight line with the central axis of the pressurizing block and the central axis of the ventilation spring.
Preferably, the central axis of the return spring and the central axes of the rain collecting groove, the transmission rod and the mounting seat are in the same straight line.
Preferably, a through hole is formed in the pulling block, and the shape and size of the through hole are consistent with those of the sliding guide rail and are in sliding connection with the sliding guide rail.
Preferably, the outside of the closed plates is movably connected with a plastic material with good water-resisting property, and the two closed plates are symmetrically distributed at the upper end and the lower end of the air outlet.
(III) advantageous effects
Compared with the prior art, the invention provides the distribution box capable of automatically closing the window by utilizing gravity, which has the following beneficial effects:
1. the distribution box capable of automatically closing the window by using gravity has the advantages that when weather is clear, the continuous service temperature in the distribution box is high, so that the internal air pressure is high, air flow is generated, the air flow flows out through the air outlet to interact with external air, partial kinetic energy of the air flow is converted into the kinetic energy of the rotating fan blade in the flowing-out process of the air flow, the rotating fan blade is driven to rotate around the rotating seat, the rotating fan blade rotates to form a suction force on the internal air, so that the circulation of the internal air is accelerated, when rain and snow weather comes, the external rain and snow fall into the rain collecting groove, a large amount of rain and snow are stored in the rain collecting groove, so that the acting force applied by gravity to the rotating fan blade is increased, the acting force is transmitted into the reset spring through the transmission rod, the reset spring is compressed to deform the reset spring, the mounting seat is driven to move downwards, and the pull rod is pulled to move simultaneously in the downward, the pull rod moves to pull the transmission block, the transmission block can apply a transverse pulling force to the buffer spring after being pulled, thereby stretching the buffer spring to deform and then driving the closing rod to move, at the moment, the closing rod can apply a pull force in the vertical direction to the pull block, the acting force is transmitted into the pull block through the pull block, thereby stretching the pulling block to deform and then driving the pulling block to move on the sliding guide rail, at the moment, the two pulling blocks move oppositely, thereby driving the two connecting plates to move oppositely, so that the two closing plates are contacted, the air outlet is isolated from the outside after the closing plates are contacted, thereby realizing automatic window closing, and along with the continuous increase of rainwater, the two closing plates can continuously move and close more thoroughly, therefore, the effect of automatically closing and closing the window to prevent rainwater leakage in rainy days with the internal air flow speed automatically accelerated in sunny days is achieved.
2. This utilize block terminal of automatic window closing of gravity, through the effort increase that centrifugal force was applyed to the rain gutter in sleet weather, thereby compression reset spring makes it take place to drive rain gutter downstream after the deformation, rain gutter downstream can drive the pressure lever motion simultaneously, the decurrent effort of pressurizing block can be applyed to the pressure lever motion, this effort is through pressurizing the block transmission to the spring of taking a breath, thereby compression spring of taking a breath makes it take place to extrude the gasbag after deformation, the gasbag receives its inside pressure increase after the extrusion, thereby produce the air current, the air current blows to inside the block terminal, take away the humid air of sneaking into in the closed in-process of closure plate, thereby reached and cleared up inside humid air in the in-process of closing the window automatically in order to prevent its effect that influences the equipment operation.
Drawings
FIG. 1 is a schematic view of a return spring according to the present invention;
FIG. 2 is a schematic view of a pull rod structure according to the present invention;
FIG. 3 is a schematic view of the tension spring of the present invention;
FIG. 4 is a schematic view of the bladder of the present invention;
fig. 5 is a schematic view of the closure panel structure of the present invention.
In the figure: 1. a rain collecting groove; 2. a transmission rod; 3. a mounting seat; 4. a return spring; 5. a pull rod; 6. a transmission block; 7. a buffer spring; 8. a rotating base; 9. rotating the fan blade; 10. an air outlet; 11. a closing lever; 12. pulling the block; 13. a sliding guide rail; 14. a tension spring; 15. a connecting plate; 16. a closing plate; 17. a pressure lever; 18. pressing a block; 19. a ventilation spring; 20. an air bag.
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.
Referring to fig. 1-5, a distribution box for automatically closing a window by using gravity comprises a rain collecting groove 1, a transmission rod 2 is interactively connected to the bottom of the rain collecting groove 1, the bottom of the transmission rod 2 is movably connected with an installation base 3, the bottom of the installation base 3 is movably connected with a return spring 4, the central axis of the return spring 4 is in the same straight line with the central axis of the rain collecting groove 1, the transmission rod 2 and the installation base 3, the left side of the installation base 3 is movably connected with a pull rod 5, the top of the pull rod 5 is movably connected with a transmission block 6, the left side of the transmission block 6 is movably connected with a buffer spring 7, the left side of the buffer spring 7 is movably connected with a rotary base 8, the left side of the rotary base 8 is movably connected with a rotary fan blade 9, the left side of the rotary fan blade 9 is movably connected with an air outlet 10, the top of the closed rod 11 is movably connected with a pull block 12, a through hole is arranged in the pull block 12, the shape and size of the through hole are consistent with the shape and size of the sliding guide rail 13 and are in sliding connection with the sliding guide rail 13, the inside of the pull block 12 is movably connected with the sliding guide rail 13, the top of the sliding guide rail 13 is movably connected with a tension spring 14, the left side of the pull block 12 is movably connected with a connecting plate 15, the left side of the connecting plate 15 is movably connected with a closed plate 16, the outside of the closed plate 16 is movably connected with a plastic material with good water-resisting property, the two closed plates 16 are symmetrically distributed at the upper end and the lower end of the air outlet 10, the bottom of the rain collecting groove 1 is movably connected with a compression rod 17, the bottom of the compression rod 17 is movably connected with a compression block 18, the bottom of the compression block 18 is movably connected with a, The central axes of the ventilation springs 19 are collinear.
The working principle is as follows: when the weather is clear, the continuous use temperature in the power distribution cabinet is higher, so that the internal air pressure is higher, air flow is generated, the air flow flows out through the air outlet 10 to interact with external air, partial kinetic energy of the air flow is converted into the kinetic energy of the rotating fan blade 9 in the flowing-out process of the air flow, so that the rotating fan blade 9 is driven to rotate around the rotary seat 8, the rotating fan blade 9 rotates to form a suction force on the internal air, so that the circulation of the internal air is accelerated, when the weather is rainy and snowy, external rain and snow fall into the rain collecting groove 1, a large amount of rain and snow are contained in the rain collecting groove 1, so that the acting force applied to the rain and snow by gravity is increased, the acting force is transmitted into the reset spring 4 through the transmission rod 2, the reset spring 4 is compressed to deform and then the mounting seat 3 is driven to move downwards, and the pull rod 5 is pulled to move simultaneously in the downward movement process of the mounting seat 3, the pull rod 5 moves to pull the transmission block 6, the transmission block 6 applies a transverse pulling force to the buffer spring 7 after being pulled, thereby stretching the buffer spring 7 to deform and then driving the closing rod 11 to move, at the moment, the closing rod 11 moves to apply a vertical pulling force on the pulling block 12, the acting force is transmitted into the tension spring 14 through the pulling block 12, thereby stretching the tension spring 14 to deform and then driving the pull blocks 12 to move on the sliding guide rail 13, at the moment, the two pull blocks 12 move oppositely, and then the two connecting plates 15 are driven to move towards each other, so that the two closing plates 16 are contacted, the closing plates 16 are contacted to isolate the air outlet 10 from the outside, so that the window is automatically closed, and with the increasing of rainwater, the two closing plates 16 can continuously move and close more thoroughly, therefore, the effect of automatically closing and closing the window to prevent rainwater leakage in rainy days with the internal air flow speed automatically accelerated in sunny days is achieved.
This kind of utilize block terminal of automatic window closing of gravity, the effort increase that centrifugal force exerted to rain gutter 1 in sleet weather, thereby compression reset spring 4 makes it take place to drive rain gutter 1 downstream after the deformation, rain gutter 1 downstream can drive the depression bar 17 motion simultaneously, depression bar 17 motion can be exerted and give a decurrent effort of briquetting 18, this effort is transmitted to ventilation spring 19 through briquetting 18, thereby compression ventilation spring 19 makes it take place to extrude gasbag 20 after the deformation, gasbag 20 receives its inside pressure increase after the extrusion, thereby produce the air current, the air current blows to inside the block terminal, take away the humid air of sneaking into at the closed in-process of closure plate 16, thereby reached and cleared up inside humid air automatically in order to prevent its effect that influences the equipment operation at the in-process of closing the window.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an utilize automatic block terminal of closing window of gravity, includes rain groove (1), its characterized in that: the rain collecting groove is characterized in that a transmission rod (2) is interactively connected to the bottom of the rain collecting groove (1), a mounting seat (3) is movably connected to the bottom of the transmission rod (2), a reset spring (4) is movably connected to the bottom of the mounting seat (3), a pull rod (5) is movably connected to the left side of the mounting seat (3), a transmission block (6) is movably connected to the top of the pull rod (5), a buffer spring (7) is movably connected to the left side of the transmission block (6), a rotary seat (8) is movably connected to the left side of the buffer spring (7), a rotary fan blade (9) is movably connected to the left side of the rotary seat (8), an air outlet (10) is movably connected to the left side of the rotary fan blade (9), a closing rod (11) is interactively connected to the top of the transmission block (6), a pull block (12) is movably connected to the top, sliding guide (13) top swing joint has tension spring (14), draw piece (12) left side swing joint to have connecting plate (15), connecting plate (15) left side swing joint has closing plate (16), rain groove (1) bottom swing joint has depression bar (17), depression bar (17) bottom swing joint has pressuring piece (18), pressuring piece (18) bottom swing joint has ventilation spring (19), ventilation spring (19) bottom swing joint has gasbag (20).
2. The electric box according to claim 1, wherein the electric box is a box for automatically closing the window by gravity, and comprises: the number of the closing rods (11) is two, and the closing rods are symmetrically distributed at the upper end and the lower end of the transmission block (6).
3. The electric box according to claim 1, wherein the electric box is a box for automatically closing the window by gravity, and comprises: the inner part of the air bag (20) is movably connected with a plastic spring, and the central axis of the air bag (20) and the central axes of the pressurizing block (18) and the ventilating spring (19) are in the same straight line.
4. The electric box according to claim 1, wherein the electric box is a box for automatically closing the window by gravity, and comprises: the central axis of the reset spring (4) and the central axes of the rain collecting groove (1), the transmission rod (2) and the mounting seat (3) are in the same straight line.
5. The electric box according to claim 1, wherein the electric box is a box for automatically closing the window by gravity, and comprises: the pull block (12) is internally provided with a through hole, and the shape and size of the through hole are consistent with those of the sliding guide rail (13) and are in sliding connection with the sliding guide rail (13).
6. The electric box according to claim 1, wherein the electric box is a box for automatically closing the window by gravity, and comprises: the outside of the closed plates (16) is movably connected with a plastic material with good water-resisting property, and the two closed plates (16) are symmetrically distributed at the upper end and the lower end of the air outlet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198213.1A CN112310869A (en) | 2020-10-30 | 2020-10-30 | Distribution box capable of automatically closing window by utilizing gravity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198213.1A CN112310869A (en) | 2020-10-30 | 2020-10-30 | Distribution box capable of automatically closing window by utilizing gravity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112310869A true CN112310869A (en) | 2021-02-02 |
Family
ID=74332305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011198213.1A Withdrawn CN112310869A (en) | 2020-10-30 | 2020-10-30 | Distribution box capable of automatically closing window by utilizing gravity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112310869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928424A (en) * | 2021-02-03 | 2021-06-08 | 南京功上杰网络科技有限公司 | Device for automatically amplifying concentrated signals of communication antenna manufactured by high-end equipment |
| CN112952713A (en) * | 2021-02-03 | 2021-06-11 | 南京鼎光救援服务有限公司 | Auxiliary device for automatically removing ice layer on surface of power transmission cable in rainy and snowy weather |
-
2020
- 2020-10-30 CN CN202011198213.1A patent/CN112310869A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928424A (en) * | 2021-02-03 | 2021-06-08 | 南京功上杰网络科技有限公司 | Device for automatically amplifying concentrated signals of communication antenna manufactured by high-end equipment |
| CN112952713A (en) * | 2021-02-03 | 2021-06-11 | 南京鼎光救援服务有限公司 | Auxiliary device for automatically removing ice layer on surface of power transmission cable in rainy and snowy weather |
| CN112928424B (en) * | 2021-02-03 | 2022-07-29 | 宜宾市天珑通讯有限公司 | Device for automatically amplifying concentrated signals of communication antenna manufactured by high-end equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112310869A (en) | Distribution box capable of automatically closing window by utilizing gravity | |
| CN111305489B (en) | Green house defrosting snow device based on action of gravity | |
| CN109257580A (en) | A kind of electric power apparatus monitoring device | |
| CN112218357A (en) | 5G signal base station energy-saving and environment-friendly device self-adjusting according to environmental conditions | |
| CN112234471A (en) | Electric distribution box for 5G signal tower | |
| CN113067257B (en) | Electric automation control's heat dissipation regulator cubicle | |
| CN108738280A (en) | A kind of good intelligent communication base station of ventilation effect based on Internet of Things | |
| CN111946185A (en) | Window capable of being automatically closed and opened according to weather conditions | |
| CN115200120A (en) | Energy-saving efficient refrigerating and heating integrated machine | |
| CN114726308A (en) | Solar power generation device with self-starting snow removing function | |
| CN112373324A (en) | Electric automobile fills electric pile | |
| CN206909016U (en) | A kind of rack automatic throttle device | |
| CN111463683B (en) | Energy-saving cooling power box | |
| CN208753769U (en) | Remotely intelligently monitoring wind-power electricity generation power distribution cabinet | |
| CN112260088A (en) | Self-moving anti-seepage outdoor high-voltage power distribution cabinet | |
| CN2130202Y (en) | Automatic sun-shade blind | |
| CN113036647A (en) | Outdoor distribution equipment is with auxiliary assembly according to temperature self-interacting radiating effect | |
| CN209662985U (en) | A kind of hydrone acquisition device | |
| CN211956601U (en) | Big data face monitoring device | |
| CN212898216U (en) | Sealed heat-insulating single-bridge window | |
| CN113702659A (en) | Bridge construction monitored control system based on thing networking | |
| CN212842583U (en) | Drying device is used in TPU rubber production | |
| CN219268185U (en) | Outdoor low-voltage power distribution cabinet | |
| CN214914803U (en) | Wall-hanging dehumidifier for printing with condensation retrieves function | |
| CN214196012U (en) | Heat-insulation aluminum alloy door and window |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210202 |