CN112832627B - A closable side-pull structure for doors, windows and cabinets - Google Patents
A closable side-pull structure for doors, windows and cabinets Download PDFInfo
- Publication number
- CN112832627B CN112832627B CN201911166327.5A CN201911166327A CN112832627B CN 112832627 B CN112832627 B CN 112832627B CN 201911166327 A CN201911166327 A CN 201911166327A CN 112832627 B CN112832627 B CN 112832627B
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- China
- Prior art keywords
- window sash
- movable
- movable window
- fixed window
- fixed
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- 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
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4609—Horizontally-sliding wings for windows
- E06B3/4618—Horizontally-sliding wings for windows the sliding wing being arranged beside a fixed wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
- E05D2015/1026—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane accessories, e.g. sliding or rolling guides, latches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Wing Frames And Configurations (AREA)
Abstract
本发明涉及窗户技术领域，尤其是一种用于门窗橱柜的可紧闭式侧拉结构；包括框架、固定窗扇和活动窗扇，框架内上下配合固定窗扇和活动窗扇设置有凹槽，所述凹槽前后端面分别设置有前护板和后护板，所述固定窗扇后端紧靠后护板，固定窗扇与前护板之间留有间隙，所述活动窗扇上下侧均安装有第一支撑件和第二支撑件，第一支撑件安装在活动窗扇的斜面一端，第二支撑件安装在活动窗扇的非斜面一端，所述第一支撑件包括与活动窗扇连接的连杆、连杆底部安装的承重轮以及连杆侧壁安装的第一导轮，所述凹槽的右侧设置有俯视呈三角形的导板；开合灵活且滑动平稳，在关闭时两面窗扇的斜面相互紧密接触，减少空气、灰尘等通过的可能，提高密封、隔音效果。
The present invention relates to the field of window technology, in particular to a tightly closable side-pull structure for doors, windows and cabinets; it comprises a frame, a fixed window sash and a movable window sash, grooves are arranged in the frame to match the fixed window sash and the movable window sash, the front and rear end surfaces of the grooves are respectively provided with a front guard plate and a rear guard plate, the rear end of the fixed window sash is close to the rear guard plate, a gap is left between the fixed window sash and the front guard plate, a first support member and a second support member are installed on the upper and lower sides of the movable window sash, the first support member is installed on the inclined end of the movable window sash, and the second support member is installed on the non-inclined end of the movable window sash, the first support member comprises a connecting rod connected to the movable window sash, a load-bearing wheel installed at the bottom of the connecting rod and a first guide wheel installed on the side wall of the connecting rod, and a guide plate that is triangular in top view is arranged on the right side of the groove; it is flexible to open and close and slides smoothly, and when closed, the inclined surfaces of the two window sashes are in close contact with each other, reducing the possibility of air, dust and the like passing through, and improving the sealing and sound insulation effects.
Description
Technical Field
The invention relates to the technical field of windows, in particular to a tightly-closed side-pulling structure for a door and window cabinet.
Background
The benefit of a side-pull window is that the sash does not need to be pushed out of or pulled into the window, saving space and being popular. Of course, such structures are also commonly used for doors, cabinets, and the like.
The traditional side-sliding window (also called sliding window, sliding window) is provided with two movable window sashes, and the two window sashes are respectively fixed on two parallel guide rails. So that one of the sashes can be moved to open the window when ventilation is required. The technical scheme has the defects that two window sashes need to slide along the guide rail in a smooth and parallel manner, so that gaps are necessarily reserved between the two window sashes in parallel, wind, rain, dust, insects and the like can easily enter a room from the gaps, the sound insulation effect is poor, and if equipment such as an air conditioner, an electric heater and the like is started indoors, heat can be quickly exchanged with the outside, and the energy consumption is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a side-pulling window structure which can enable a window (also can be a door, a cabinet door and other structures) to be relatively airtight after being closed.
The technical scheme of the invention is as follows:
A but, tight formula side draws structure for door and window cupboard, its characterized in that: the movable window sash comprises a frame, a fixed window sash and a movable window sash, wherein the juncture of the fixed window sash and the movable window sash is an inclined plane matched with each other, latch locks capable of locking the fixed window sash and the movable window sash are arranged on the inclined plane, grooves are formed in the frame, the fixed window sash and the movable window sash are matched up and down, the fixed window sash is fixedly arranged on the left side of the grooves through connecting pieces (only an example is shown in the right side, the fixed window sash is arranged on the right side, the technical problems in the technical scheme are not prevented from being solved), a front guard plate and a rear guard plate are respectively arranged on the front end face and the rear end face of the groove, the rear end of the fixed window sash is abutted against the rear guard plate, a gap is reserved between the fixed window sash and the front guard plate, a guide rail which is beneficial to the running of a bearing wheel of the movable window sash is formed, a first supporting piece and a second supporting piece are arranged on the upper side and the lower side of the movable window sash, the first supporting piece is arranged at one end of the inclined plane of the movable window sash, the second supporting piece is arranged at one non-inclined surface end of the movable window sash, the first supporting piece and the second supporting piece are structurally different only in the installation positions, the first supporting piece comprises a connecting rod connected with the movable window sash, a bearing wheel arranged at the bottom of the connecting rod and a first guide wheel arranged on the side wall of the connecting rod, a guide plate which is triangular in overlooking mode is arranged on the right side of the groove (in the figure, the guide plate is not contacted with the bearing wheel of the second supporting piece for the sake of convenience in illustration, it is understood that the guide plate is necessarily clung to the second supporting piece of the movable window sash for enabling the right end of the movable window sash to be fixed so as to prop against the second supporting piece of the movable window sash, the right end of the movable window sash is not easy to move, when the left end of the movable window sash is fixed by a latch, the inclined surfaces of the movable window sash are tightly clung, so that wind and rain and dust are blocked, insects, etc. into the house).
As a further improvement of the invention, the frame is made of aluminum sections, the frameworks of the fixed window sashes and the movable window sashes are made of aluminum sections, the inclined planes of the fixed window sashes and the movable window sashes are made of wear-resistant sections, the aluminum sections are waterproof and rust-proof, have longer service life and higher overall strength, and besides, the aluminum sections can be replaced by materials such as wood, copper materials, stainless steel, plastic, synthetic resin and the like.
In some embodiments, the limiting plate is arranged on the groove and positioned on the front end face of the fixed window sash, so that the bearing wheel can smoothly walk on the guide rail, and the chance of scratching the fixed window sash is reduced.
Specifically, at least one handle is arranged on the movable window sash, so that the window sash can be conveniently pushed and pulled.
Specifically, the inclined planes of the upper side and the lower side of the fixed window sashes corresponding to the movable window sashes are provided with second guide wheels, and as the inclined planes of the fixed window sashes and the movable window sashes are tightly attached, static friction force is large, and a user is hard to pull the fixed window sashes manually, friction between the two inclined planes can be reduced to a certain extent by arranging the first guide wheels and adding the second guide wheels, so that the fixed window sashes can be pulled easily by the user.
In order to further improve the tightness, a plurality of sealing rubber strips can be vertically adhered to the inclined surface tip of the fixed window sash, when the window sashes on the two sides are closed, the sealing effect can be further improved, and when the window is opened, one window sashes is overlapped with the other window sashes, and the ventilation quantity is not different from that of the common side-pulling window.
In other embodiments, two movable sashes are provided in the same frame, the two movable sashes being arranged opposite each other, the fixed sashes only leaving a triangular area between the two movable sashes for mounting the second runner, which has the advantage that both windows can be opened.
Specifically, the angle formed by the inclined plane of the fixed window sash and the plane of the fixed window sash is 20-60 degrees. It will be appreciated that the opening and closing of the movable window sash is dependent on the steering action that this ramp produces on it, and that the angle of adaptation should be chosen in accordance with the different thickness of the movable window sash. For example, a thicker movable sash should have a larger angle and a thinner movable sash should have a smaller angle.
Although the description and drawings (and the description thereof) of the present application only exemplify the case of one fixed window sash and one movable window sash, it is conceivable that the first movable window sash is obviously used as the fixed window sash of the next movable window sash after being fixed, and it is understood that the present application can be provided with two-sided movable window sashes, three-sided movable window sashes and even multi-sided movable window sashes, the working of which is not beyond the protection scope of the present application, and should be taken into the rights of the present inventors in law.
The window has the advantages that the window is flexible to open and close and stable to slide, when the window is closed, the inclined surfaces of the two side window sashes are in close contact with each other, the two side window sashes are almost positioned on the same plane, the appearance is similar to that of a common side window, the window is similar to a flat-open window, the possibility of air, dust and the like passing through the window is reduced, the sealing effect is improved, the window has the effects of resisting wind and rain, haze, sand and sand storm and the like, when the window is opened, one window sashes are overlapped with the other window sashes, the ventilation quantity is not different from that of the common side window, and the window has a sound insulation effect due to the fact that the possibility of air flowing is reduced, and the window is suitable for various occasions such as buildings, houses, vehicles, showcases, wardrobes, lockers and the like.
When the invention is applied to a room using an air conditioner or an electric heater, the air exchange possibility is reduced because the sealing effect is better than that of the traditional side-pulling window, the heat exchange speed between the inside and outside of the room is objectively reduced, and the energy consumption of the air conditioner or the electric heater is reduced.
In addition, the window is more compact and firm than a common side-pulling window when being used as the window, and the risk of falling of the casement window sash does not exist, so the window is very suitable for being used as a window of a high-rise building, and the safety performance is excellent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of a groove of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 after the movable sash is pulled to the left;
FIG. 4 is a cross-sectional view taken at A-A' of FIG. 3;
FIG. 5 is a schematic view of the structure of the first support;
FIG. 6 is a schematic illustration of a side pull activity of the present invention;
Fig. 7 is a schematic structural diagram of embodiment 7.
In the figure, 1, a frame, 2, a fixed window sash, 3, a movable window sash, 4, a handle, 11, a groove, 12, an outer guard plate, 13, an inner guard plate, 14, a limiting plate, 15, a guide plate, 21, a second guide wheel, 31, a first support piece, 32, a second support piece, 311, a connecting rod, 312, a bearing wheel, 313 and a first guide wheel.
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
Example 1
The tight side-pulling structure for door and window cabinet is characterized by comprising a frame, a fixed window sash and a movable window sash, wherein the junction of the fixed window sash and the movable window sash is an inclined plane matched with each other, a latch capable of locking the fixed window sash and the movable window sash is arranged on the inclined plane, grooves are formed in the frame, the fixed window sash and the movable window sash are matched up and down, the fixed window sash is fixedly arranged on the left side of the grooves through connecting pieces (only an example is arranged on the right side, the technical problems in the technical scheme are solved, the front end face and the rear end face of the grooves are respectively provided with a front guard plate and a rear guard plate, the rear end of the fixed window sash is abutted against the rear guard plate, a gap is reserved between the fixed window sash and the front guard plate, a guide rail beneficial to the running of a bearing wheel of the movable window sash is formed, the upper side and the lower side of the movable window sash are respectively provided with a first supporting piece and a second supporting piece, the first supporting piece is arranged on one end of the inclined plane of the movable window sash, the second supporting piece is arranged on one end of the non-inclined plane of the movable window sash, the first supporting piece and the second supporting piece is arranged on the other end of the movable window sash, the first supporting piece is different in the structure between the first supporting piece and the second supporting piece, the first supporting piece is arranged on the non-inclined plane, the side of the movable window sash is arranged on the side of the non-inclined plane, the first supporting piece is different in the mounting position, the first supporting piece is arranged on the side of the movable window sash, the side, the front side is easy to be mounted on the side, and the front side of the movable window sash is not inclined plane, and the front side is easy to be contacted with the side, and the right side of the side is mounted on the side of the side is opposite side, and side is opposite side. In order to block the entry of wind, dust, insects, etc. into the house).
The latch is the prior art and is conventionally used in doors and windows, and reference is made to a side-sliding window structure of chinese patent, a description of the latch structure in patent No. 98208127.8 and its accompanying drawings, a method of use and application to two-sided sashes of the side-sliding window. And will not be described in detail herein.
Specifically, the angle formed by the inclined plane of the fixed window sash and the plane of the fixed window sash is 20-60 degrees. It will be appreciated that the opening and closing of the movable window sash is dependent on the steering action that this ramp produces on it, and that the angle of adaptation should be chosen in accordance with the different thickness of the movable window sash. For example, a thicker movable sash should have a larger angle and a thinner movable sash should have a smaller angle.
Example 2
The frame material is the aluminium alloy, and the skeleton of fixed casement, movable casement is also made by the aluminium alloy, and the inclined plane of both adopts wear-resisting section bar to make, and aluminium alloy is waterproof, rust-proof and life is longer, and bulk strength is also higher in addition. Other structures of this embodiment are the same as those of embodiment 1.
Example 3
As shown in fig. 2, the limiting plate is arranged on the groove and positioned on the front end face of the fixed window sash, so that the bearing wheels can smoothly walk on the guide rail, and the chance of scratching the fixed window sash is reduced. Other structures of this embodiment are the same as those of embodiment 1.
Example 4
At least one handle is arranged on the movable window sash, so that the window sash can be conveniently pushed and pulled. Other structures of this embodiment are the same as those of embodiment 1.
Example 5
The inclined planes of the upper side and the lower side of the fixed window sashes corresponding to the movable window sashes are provided with the second guide wheels, and as the inclined planes of the fixed window sashes and the movable window sashes are tightly attached, static friction force is large, a user can draw the fixed window sashes manually more hard, friction between the two inclined planes can be reduced to a certain extent by arranging the first guide wheels and adding the second guide wheels, and therefore the fixed window sashes can be pulled easily by the user. Other structures of this embodiment are the same as those of embodiment 1.
Example 6
A plurality of sealing rubber strips are vertically adhered to the inclined surface tip of the fixed window sash, when the two window sashes are closed, the sealing effect can be further improved, and when the window is opened, one window sash is overlapped with the other window sash, and the ventilation quantity is not different from that of the common side-pulling window. Other structures of this embodiment are the same as those of embodiment 1.
The above embodiments can freely combine the technical features without conflict.
The method of using the present invention will now be described by way of example only with reference to FIG. 6.
The handle is held by hand to pull the movable window sash leftwards and forwards, the inclined plane at the front end of the movable window sash slides against the inclined plane of the fixed window sash to incline the whole movable window sash, the support piece at the right end of the movable window sash can move leftwards obliquely due to the fact that a larger space is arranged at the right side of the groove (a larger gap is reserved between the front guard plate and the rear guard plate), then the bearing wheels of the movable window sash are led into the guide rail between the fixed window sash and the front guard plate by the inclined plane, and when the bearing wheels of the two support pieces enter the guide rail, the two window sashes are parallel, so that ventilation quantity is not different from that of a common side-pull window.
When the right end of the movable window sash reaches the right end of the groove, the inclined surface of the movable window sash is manually pushed to be in close contact with the inclined surface of the fixed window sash, and at the moment, the latch is locked, and because the two ends of the movable window sash are fixed, the window is in a sealed state.
Example 7
As shown in fig. 7, two movable sashes are provided in the same frame, the two movable sashes are disposed opposite to each other, and the fixed sashes only reserve a triangular area between the two movable sashes for mounting the second guide roller, which has the advantage that both windows can be opened.
The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the invention, and various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166327.5A CN112832627B (en) | 2019-11-25 | 2019-11-25 | A closable side-pull structure for doors, windows and cabinets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166327.5A CN112832627B (en) | 2019-11-25 | 2019-11-25 | A closable side-pull structure for doors, windows and cabinets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112832627A CN112832627A (en) | 2021-05-25 |
| CN112832627B true CN112832627B (en) | 2025-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911166327.5A Active CN112832627B (en) | 2019-11-25 | 2019-11-25 | A closable side-pull structure for doors, windows and cabinets |
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| Country | Link |
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| CN (1) | CN112832627B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756698A (en) * | 2021-09-17 | 2021-12-07 | 北京机科国创轻量化科学研究院有限公司 | A kind of sealing door suitable for dieless casting precision forming machine |
| CN114809868B (en) * | 2022-04-13 | 2023-08-22 | 浙江海博门业有限公司 | Landscape living room door with wind resistance and shock absorption functions |
| CN117905370B (en) * | 2024-03-19 | 2024-05-31 | 佛山市南海派雅门窗制品有限公司 | Sound-insulation and heat-insulation safety door and window |
| CN120159275B (en) * | 2025-05-19 | 2025-07-18 | 佛山市南海富球铝业有限公司 | Bridge cut-off austral window, sliding sash of thermal-insulated that takes sound insulation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211370079U (en) * | 2019-11-25 | 2020-08-28 | 梁伟光 | A tightly closed side pull structure for doors, windows and cabinets |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4402464C1 (en) * | 1994-01-28 | 1995-05-04 | Goetz Entwicklung & Lizenz | Horizontal sliding window with at least one sliding sash which can be moved transversely with respect to the frame plane |
| CN2339722Y (en) * | 1998-09-15 | 1999-09-22 | 李文德 | Sliding window structure |
| JP2007321370A (en) * | 2006-05-30 | 2007-12-13 | Tohma Co Ltd | Double sliding door and its manufacturing method |
| CN200961414Y (en) * | 2006-10-30 | 2007-10-17 | 张洪文 | Anti-theft and scenery integral window |
| CN101260770A (en) * | 2008-05-04 | 2008-09-10 | 彭兴勇 | High-sealing sliding window |
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2019
- 2019-11-25 CN CN201911166327.5A patent/CN112832627B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211370079U (en) * | 2019-11-25 | 2020-08-28 | 梁伟光 | A tightly closed side pull structure for doors, windows and cabinets |
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| CN112832627A (en) | 2021-05-25 |
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