CN110616986B - Self-closing window in rainy days - Google Patents
Self-closing window in rainy days Download PDFInfo
- Publication number
- CN110616986B CN110616986B CN201910993787.9A CN201910993787A CN110616986B CN 110616986 B CN110616986 B CN 110616986B CN 201910993787 A CN201910993787 A CN 201910993787A CN 110616986 B CN110616986 B CN 110616986B
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- China
- Prior art keywords
- window frame
- window
- movable rod
- heating cavity
- movable
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- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
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- 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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Landscapes
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses a self-closing window in rainy days, which comprises a window frame and a mounting frame rotatably mounted in the window frame, wherein glass is mounted in the mounting frame, the lower end of the window frame is symmetrically and rotatably connected with two first movable rods, one end of each first movable rod, which is far away from the window frame, is rotatably connected with a second movable rod, the other ends of the two second movable rods are rotatably connected with the mounting frame, the lower end of the window frame is symmetrically provided with two placing grooves, each placing groove is divided into a heating cavity and a transmission cavity through a partition plate, each heating cavity is internally provided with a circulating mechanism, the window frame is also provided with a mounting groove, and a trigger mechanism is mounted in the mounting groove. According to the invention, when the outdoor sudden-falling heavy rain occurs, the mounting frame and the window frame can be quickly closed without manual operation through the matching of the trigger mechanism, the circulating mechanism, the linkage mechanism and the clamping mechanism, so that the rainwater is prevented from falling indoors, and the device can be repeatedly used and has strong practicability.
Description
Technical Field
The invention relates to the technical field of windows, in particular to a self-closing window in rainy days.
Background
The window is architecturally a hole built on a wall or a roof, and is used for enabling light or air to enter a room, opening the window frequently for ventilation, ensuring the circulation of indoor and outdoor air and eliminating indoor peculiar smell.
However, there are some distressing places when the window is used, for example, when nobody is indoors and heavy rain suddenly falls, the window cannot be closed in time, the rain falls from the window indoors, great burden is brought to people's indoor cleaning work, in addition, wetting of some documents on the window desk, even unnecessary trouble and loss can be brought to people, and therefore a window capable of being automatically closed in heavy rain is urgently needed.
SUMMERY OF THE UTILITY MODEL
The invention aims to solve the problem that in the prior art, when a heavy rain skylight is not closed in time, rainwater falls into a room to bring troubles to life of people, and provides a self-closing window in rainy days.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-closing window in rainy days comprises a window frame and an installation frame which is rotatably installed in the window frame, wherein the lower end of the window frame is symmetrically and rotatably connected with two first movable rods, one end, far away from the window frame, of each first movable rod is rotatably connected with a second movable rod, and the other ends of the two second movable rods are rotatably connected with the installation frame;
two standing grooves have been seted up to window frame lower extreme symmetry, every the standing groove all separates into the chamber and the transmission chamber that generate heat through the baffle, every the intracavity that generates heat all is provided with circulation mechanism, the mounting groove has still been seted up on the window frame, install trigger mechanism in the mounting groove, be provided with link gear in the transmission chamber, be provided with latch mechanism between link gear's output and the corresponding first movable rod in position.
Preferably, triggering mechanism includes inflation piece and the flexible gasbag of installation in the mounting groove, and flexible gasbag passes through overflow pipe and the chamber intercommunication that generates heat, the pure water has been held in the flexible gasbag, the intracavity that generates heat has placed the sodium hydroxide crystal.
Preferably, the circulating mechanism comprises an arc-shaped plate arranged on the upper portion of the heating cavity, a plurality of capillary holes are uniformly formed in the arc-shaped plate, a collecting area is formed between the upper end face of the arc-shaped plate and the top wall of the heating cavity, a communicating pipe for communicating the collecting area with the inside of the telescopic air bag is arranged on the window frame, and the heat collecting mechanism is arranged at the bottom of the heating cavity.
Preferably, the linkage mechanism comprises a movable plate which is connected with the transmission cavity in a sliding mode, a liquid storage bag is arranged between the lower end of the movable plate and the transmission cavity, and the liquid storage bag is filled with expansion liquid.
Preferably, the clamping mechanism includes the movable rod that the fly leaf upper end is connected, rotate on the window frame and install L shape pole, and the other end and the corresponding first movable rod joint in position of L shape pole, the opening has been seted up on the L shape pole, the movable rod upper end rotates and is connected with the slider, and slider and opening sliding connection.
The invention has the beneficial effects that:
1. in heavy rain weather, trigger mechanism is initiated through the rainwater, and trigger mechanism begins work and sends a large amount of heats, thereby the heat of production drives the operation of follow-up mechanism with mounting bracket and window frame closure, accomplishes the action of closing the window, whole journey need not manual operation, and then has avoided heavy rain skylight family not in time to close, the rainwater wafts indoor and brings troublesome problem for people's life.
2. By utilizing the property that the sodium hydroxide crystals quickly release a large amount of heat when dissolved in the purified water, the sodium hydroxide crystals and the purified water are selected as heating sources, the reaction is quick, the instant heat is released more, and therefore the linkage mechanism can be started to operate in time.
3. Through the cooperation of link gear and latch mechanism for L shape pole and the separation of the first movable rod that corresponds, thereby close mounting bracket and window frame, and then reach the purpose of closing the window.
4. Can heat the sodium hydroxide solution of the intracavity that generates heat through circulation mechanism for the sodium hydroxide in the sodium hydroxide solution becomes crystalline again, retrieves the pure water to flexible gasbag in simultaneously, thereby sodium hydroxide crystal and pure water can reuse, and the practicality is strong.
5. Through set up the cushion collar at the mounting bracket lower extreme, when can avoiding mounting bracket and window frame to close, the lower extreme of mounting bracket and the sudden striking of window frame lead to the damage of glass and window frame.
6. The tin coating is arranged on the wall of the heating cavity, so that the tin coating can prevent sodium hydroxide from corroding the window frame and prevent the sodium hydroxide from being polluted by external impurities, and the service life of the heating cavity is prolonged.
In conclusion, when the outdoor sudden-falling heavy rain occurs, the mounting frame and the window frame can be quickly closed without manual operation through the matching of the trigger mechanism, the circulating mechanism, the linkage mechanism and the clamping mechanism, so that the rain is prevented from falling indoors, the device can be repeatedly used, and the practicability is high.
Drawings
Fig. 1 is a schematic structural view of a self-closing window in rainy days according to the present invention;
fig. 2 is a schematic structural view illustrating a mounting frame and a window frame of a self-closing window in a rainy day according to the present invention when they are closed;
fig. 3 is a front view of a self-closing window in rainy weather according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
FIG. 5 is an enlarged view of FIG. 2 at B;
fig. 6 is an enlarged view of fig. 4 at C.
In the figure: the device comprises a window frame 1, a mounting frame 2, a first movable rod 3, a second movable rod 4, a heating cavity 5, a transmission cavity 6, a movable plate 7, a liquid storage bag 8, a heat conducting fin 9, a movable rod 10, an L-shaped rod 11, an opening 12, a heat collecting plate 13, an expansion block 14, a telescopic air bag 15, an air vent 16, an overflow pipe 17, an arc plate 18, a capillary hole 19 and a buffer sleeve 20.
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.
Referring to fig. 1-6, a self-closing window in rainy days comprises a window frame 1 and an installation frame 2 rotatably installed in the window frame 1, wherein the lower end of the window frame 1 is symmetrically and rotatably connected with two first movable rods 3 through torsion springs, a user can close the installation frame 2 and the window frame 1 only by small force through the elastic action of the torsion springs, one end, far away from the window frame 1, of each first movable rod 3 is rotatably connected with a second movable rod 4 through a rotation stopping sleeve, the rotation stopping sleeve is used for limiting the rotation angle between the first movable rod 3 and the second movable rod 4 to be less than or equal to 180 degrees, and the other ends of the two second movable rods 4 are rotatably connected with the lower end of the installation frame 2;
two notches are seted up towards indoor standing groove to 1 lower extreme symmetry of window frame, and all be provided with the access cover in the notch of every standing groove, every standing groove is all separated into chamber 5 and the transmission chamber 6 that generates heat through the baffle, and the chamber 5 that generates heat is close to the 1 outside of window frame, transmission chamber 6 is close to 1 inboard of window frame, every generates heat and all is provided with circulation mechanism in the chamber 5, the mounting groove has still been seted up on the 1 outside of window frame, install trigger mechanism in the mounting groove, be provided with link gear in the transmission chamber 6, be provided with latch mechanism between link gear's the output and the corresponding first movable rod 3 in position, operating personnel can accomplish the installation and the maintenance of above structure through the standing groove, the sealed of standing groove can be guaranteed to the access cover simultaneously, prevent external environment to.
In the invention, the trigger mechanism comprises an expansion block 14 and a telescopic air bag 15 which are arranged in a mounting groove, the expansion block 14 is abutted against the side wall of the telescopic air bag 15, the expansion block 14 is made of a water-swelling water stop strip material, the water-swelling water stop strip generates 2-3 times of expansion deformation after meeting water, and fills all irregular surfaces, cavities and gaps of a joint, simultaneously generates huge contact pressure to prevent the mounting groove from water seepage, an overflow port for communicating the mounting groove with a heating cavity 5 is arranged on the groove wall of the mounting groove, an overflow pipe is communicated with the telescopic air bag 15, the other end of the overflow pipe passes through the overflow port to be communicated with the heating cavity 5, purified water is contained in the telescopic air bag 15, sodium hydroxide crystals are placed in the heating cavity 5, a tin-plated layer is arranged on the cavity wall of the heating cavity 5, the tin-plated layer can prevent the sodium hydroxide from corroding the window frame 1, and the purified water, the sodium hydroxide is prevented from being degraded in use;
the circulating mechanism comprises an arc plate 18 arranged at the upper part of the heating cavity 5, a plurality of capillary holes 19 are vertically and uniformly arranged on the arc plate 18, a collecting region is formed between the upper end surface of the arc plate 18 and the top wall of the heating cavity 5, a communicating cavity for communicating the collecting region with the mounting groove is arranged on the window frame 1, a communicating pipe for communicating the collecting region with the telescopic air bag 15 is arranged in the communicating cavity, the communicating part of the communicating pipe and the telescopic air bag 15 is positioned at one side of the telescopic air bag 15 far away from the overflow pipe, so that water reflowing in the communicating pipe is prevented from flowing into the heating cavity 5 through the overflow pipe, a heat collecting mechanism is arranged at the bottom of the heating cavity 5, the heat collecting mechanism comprises a heat collecting plate 13 arranged on the window frame 1, the output end of the heat collecting plate 13 is connected with a heat conducting sheet 9, the other end of the heat conducting sheet 9 extends to, the highest heat collecting temperature can reach 45 ℃;
the linkage mechanism comprises a movable plate 7 which is connected in a transmission cavity 6 in a sliding way, a liquid storage bag 8 is arranged between the lower end of the movable plate 7 and the transmission cavity 6, expansion liquid is filled in the liquid storage bag 8, the expansion liquid can adopt other liquid with the boiling point of 60-70 ℃ such as methanol, and the liquid storage bag 8 can be made of corrosion-resistant rubber materials such as chloroprene rubber, so that the liquid storage bag 8 is prevented from being corroded by the methanol;
clamping mechanism includes 7 vertical fixed connection's in upper end movable rod 10 of fly leaf 7 and window frame 1 on vertical fixed mounting's the dead lever, rotate through the round pin axle on the dead lever and install L shape pole 11, the bayonet socket has all been seted up on every first movable rod 3, and the other end of L shape pole 11 and the 3 joints of the corresponding first movable rod in position, opening 12 has been seted up on L shape pole 11, movable rod 10 upper end rotates and is connected with the slider, and slider and opening 12 sliding connection, the bottom veneer of mounting bracket 2 has cushion collar 20, cushion collar 20 can play the cushioning effect, avoid damaging mounting bracket 2 and window frame 1 at the lower extreme of the in-process mounting bracket 2 of closing the window and the abrupt striking of window frame 1.
When the window frame is used, when a user needs to open a window, the first movable rod 3 and the second movable rod 4 can be straightened, one end of the L-shaped rod 11 is clamped on the bayonet of the first movable rod 3, and the angle position of the first movable rod 3 is limited and fixed by the L-shaped rod 11, the maximum angle between the first movable rod 3 and the second movable rod 4 is 180 degrees, a stable triangle is formed between the window frame 1 and the first movable rod 3, one side of the triangle formed by the mounting frame 2 and the second movable rod 4 is determined, the corresponding triangle formed by the mounting frame 2 and the second movable rod 4 is stable, and the angle position of the mounting frame 2 is fixed;
when heavy rain weather occurs, rainwater is splashed on the expansion block 14, the expansion block 14 absorbs water to expand and extrude the expansion air bag 15, purified water stored in the expansion air bag 15 overflows to the bottom of the heating cavity 5 from the overflow pipe 17 after the expansion air bag 15 is extruded, a large amount of heat is rapidly emitted when sodium hydroxide crystals placed at the bottom of the heating cavity 5 are dissolved in the purified water, the heat is transmitted into the transmission cavity 6 through the partition plate, expansion liquid in the liquid storage bag 8 is heated and evaporated to drive the liquid storage bag 8 to expand, so that the liquid storage bag 8 is expanded to drive the movable plate 7 to move upwards, the movable plate 7 drives the movable rod 10 to move upwards, the movable rod 10 drives the sliding block to slide in the opening 12 on the L-shaped rod 11, the L-shaped rod 11 also rotates along with the sliding of the sliding block until the L-shaped rod 11 is separated from the bayonet on the first movable rod 3, and the angle stability between the window frame 1, the mounting frame 2, the mounting frame 2 is closed with the window frame 1 under the action of self gravity, so that the window is closed;
the air holes 16 formed on the movable plate 7 communicate the transmission cavities 6 at the upper part and the lower part of the movable plate 7, a movable gap is formed between the movable rod 10 and the window frame 1, and after the window is closed and the expansion liquid is cooled, the expansion liquid drives the liquid storage bag 8 to contract and recover, so that the position of the movable plate 7 cannot be influenced;
when the weather is clear, the heat collecting plate 13 collects external heat and conducts the heat to the heating cavity 5 through the heat conducting sheet 9, the heat conducting sheet 9 heats the sodium hydroxide solution, water in the sodium hydroxide solution is heated and evaporated to enable the sodium hydroxide to be separated out and become crystal-shaped again, the evaporated water vapor forms condensed water on the lower end face of the arc plate 18, the condensed water is sucked to the collecting area on the upper portion of the arc plate 18 through the capillary hole 19 under the action of capillary force of the capillary hole 19 of the condensed water, and finally the condensed water flows back to the telescopic air bag 15 through a communicating pipe between the collecting area and the telescopic air bag 15 to be used for the next time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (3)
1. The self-closing window in rainy days comprises a window frame (1) and an installation frame (2) rotatably installed in the window frame (1), wherein glass is installed in the installation frame (2), and the self-closing window is characterized in that the lower end of the window frame (1) is symmetrically and rotatably connected with two first movable rods (3), one end, far away from the window frame (1), of each first movable rod (3) is rotatably connected with a second movable rod (4), and the other ends of the two second movable rods (4) are rotatably connected with the installation frame (2);
the lower end of the window frame (1) is symmetrically provided with two placing grooves, each placing groove is divided into a heating cavity (5) and a transmission cavity (6) through a partition plate, a circulating mechanism is arranged in each heating cavity (5), the window frame (1) is further provided with a mounting groove, a trigger mechanism is mounted in the mounting groove, a linkage mechanism is arranged in the transmission cavity (6), and a clamping mechanism is arranged between the output end of the linkage mechanism and the first movable rod (3) corresponding to the position of the output end of the linkage mechanism;
the trigger mechanism comprises an expansion block (14) and a telescopic air bag (15) which are arranged in the mounting groove, the telescopic air bag (15) is communicated with the heating cavity (5) through an overflow pipe, purified water is contained in the telescopic air bag (15), and sodium hydroxide crystals are contained in the heating cavity (5);
the circulating mechanism comprises an arc plate (18) arranged on the upper portion of the heating cavity (5), a plurality of capillary holes (19) are uniformly formed in the arc plate (18), a collecting area is formed between the upper end face of the arc plate (18) and the top wall of the heating cavity (5), a communicating pipe for communicating the collecting area with the inside of the telescopic air bag (15) is arranged on the window frame (1), and a heat collecting mechanism is installed at the bottom of the heating cavity (5).
2. A window of the self-closing type in rainy days according to claim 1, wherein the linkage mechanism comprises a movable plate (7) slidably connected in the transmission chamber (6), a reservoir (8) is arranged between the lower end of the movable plate (7) and the transmission chamber (6), and the reservoir (8) is filled with an expansion liquid.
3. A rainy day self-closing type window, according to claim 1, characterized in that the clamping mechanism comprises a movable rod (10) connected with the upper end of a movable plate (7), an L-shaped rod (11) is rotatably mounted on the window frame (1), the other end of the L-shaped rod (11) is clamped with a first movable rod (3) corresponding to the position, an opening (12) is formed in the L-shaped rod (11), a sliding block is rotatably connected with the upper end of the movable rod (10), and the sliding block is slidably connected with the opening (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993787.9A CN110616986B (en) | 2019-10-18 | 2019-10-18 | Self-closing window in rainy days |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993787.9A CN110616986B (en) | 2019-10-18 | 2019-10-18 | Self-closing window in rainy days |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110616986A CN110616986A (en) | 2019-12-27 |
| CN110616986B true CN110616986B (en) | 2021-05-07 |
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ID=68926177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910993787.9A Active CN110616986B (en) | 2019-10-18 | 2019-10-18 | Self-closing window in rainy days |
Country Status (1)
| Country | Link |
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| CN (1) | CN110616986B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119639A (en) * | 2020-01-04 | 2020-05-08 | 皮一迪 | Rain-proof auxiliary assembly of window |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202483339U (en) * | 2012-03-16 | 2012-10-10 | 王颖孜 | Device capable of automatically closing window for rain prevention |
| JP6489640B2 (en) * | 2015-04-09 | 2019-03-27 | 日本自動ドア株式会社 | Automatic door device |
| CN107692572A (en) * | 2017-10-31 | 2018-02-16 | 绍兴文理学院 | A kind of file cabinet with smart lock |
| CN109025672A (en) * | 2018-07-18 | 2018-12-18 | 杨宁静 | A kind of opening and closing adjustment type window certainly |
| CN109138724B (en) * | 2018-11-22 | 2020-04-21 | 青岛德邦门窗幕墙发展有限公司 | Window capable of being automatically closed under strong wind |
| CN111734284B (en) * | 2019-09-27 | 2021-09-21 | 河南城建学院 | Light-transmitting rainproof shutter |
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2019
- 2019-10-18 CN CN201910993787.9A patent/CN110616986B/en active Active
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Effective date of registration: 20210413 Address after: 276000 Industrial Park 600 meters west of zhengzhaizi village, Xianggong street, Hedong District, Linyi City, Shandong Province Applicant after: Linyi Hongtai door & Window Co.,Ltd. Address before: 134600 50m south of 085 County Road, Linjiang City, Baishan City, Jilin Province Applicant before: Cao Sheng Zhong |
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