CN113982391A - Door leaf virtual covering device with cancelling limiting function - Google Patents
Door leaf virtual covering device with cancelling limiting function Download PDFInfo
- Publication number
- CN113982391A CN113982391A CN202111427114.0A CN202111427114A CN113982391A CN 113982391 A CN113982391 A CN 113982391A CN 202111427114 A CN202111427114 A CN 202111427114A CN 113982391 A CN113982391 A CN 113982391A
- Authority
- CN
- China
- Prior art keywords
- fork
- seat
- door leaf
- fork seat
- positioning plate
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
- E05C3/14—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member rigid with the latch
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hinges (AREA)
- Wing Frames And Configurations (AREA)
Abstract
A door leaf virtual covering device capable of eliminating a limit function comprises a rod seat positioning plate, a fork seat and a tension spring; the device is characterized in that a rod seat fixing hole and a support rod are arranged on the rod seat, a ferrule is arranged at the top end of the support rod, a bearing is arranged outside the ferrule, and main magnetic steel is fixed in the ferrule; a positioning plate fixing hole is formed in the positioning plate, a limiting convex strip is arranged in the middle of the positioning plate, a fork seat sliding groove is formed in the middle of the limiting convex strip, a square through hole is formed below the limiting convex strip, and the square through hole is communicated with the fork seat sliding groove; a stop lever is arranged below the limiting convex strip, and one end of the spring piece is fixed below the limiting convex strip by a rivet; an inclined raised head is arranged above the other end of the spring piece and is arranged in the square through hole; a pull ring is arranged below the spring piece, and a pull rod is arranged in the pull ring. The virtual masking function of the invention can be closed, and the invention is suitable for being set and used according to the requirements of users at different time and occasions.
Description
Technical Field
The invention relates to the field of indoor energy conservation of buildings, in particular to a door leaf virtual covering device capable of eliminating a limit function.
Background
Workers in an office do not want to greatly open a door of the office, and since passing people often can scatter the attention of the workers in the office, the large opening of the door can reduce the working efficiency of the workers in the office, and can also cause rapid exchange of indoor air and outdoor air, which is not beneficial to indoor heat preservation; if the door of the office is closed, normal communication between external office personnel and indoor workers is influenced; people hope to fix the door leaf of office in a half open position properly, can open or close when needing, and the door leaf that hides in vain can not blown again and can not be blown by wind and close by oneself.
The method is also a perfect method for ensuring the freshness of indoor air and preventing the waste of energy caused by the mixing of a large amount of indoor air and outdoor air. However, the current building interior decoration industry does not have a hardware fitting which can be provided with a door virtual covering function according to needs.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a door leaf virtual covering device capable of eliminating a limit function, which comprises a rod seat positioning plate, a fork seat and a tension spring; the device is characterized in that a rod seat fixing hole and a support rod are arranged on the rod seat, a ferrule is arranged at the top end of the support rod, a bearing is arranged outside the ferrule, and main magnetic steel is fixed in the ferrule; a positioning plate fixing hole is formed in the positioning plate, a limiting convex strip is arranged in the middle of the positioning plate, a fork seat sliding groove is formed in the middle of the limiting convex strip, a square through hole is formed below the limiting convex strip, and the square through hole is communicated with the fork seat sliding groove; a stop lever is arranged below the limiting convex strip, and one end of the spring piece is fixed below the limiting convex strip by a rivet; an inclined raised head is arranged above the other end of the spring piece and is arranged in the square through hole; a pull ring is arranged below the spring piece, and a pull rod is arranged in the pull ring; the fork seat is arranged in the fork seat sliding groove in a sliding mode, a fork seat raised head is arranged on the left side of the fork seat, two fork heads are arranged on the right side of the fork seat, and a fork groove is formed between the two fork heads; the opposite surfaces of the two fork heads are provided with bearing limiting grooves, and the outer ends of the two fork heads are provided with edge magnetic steels; one end of the tension spring is fixed with the inner end of the fork seat, and the other end of the tension spring is fixed with one surface, facing the inner end of the fork seat, in the square through hole; the fork seat is driven by the tension spring to move towards the left side of the positioning plate all the time until the raised head of the fork seat touches the surface of the chute of the fork seat opposite to the raised head of the fork seat; the spring piece is arranged to bounce towards the upper part of the limiting convex strip, and the spring piece forces the inclined plane convex head to protrude into the fork seat sliding groove through the square through hole; when the fork seat is forced to slide towards the right by external force, and the raised head of the fork seat moves towards the right until the raised head of the inclined plane can not be shielded, the raised head of the inclined plane is upwards bounced under the action of the spring piece and is blocked at the left side of the raised head of the fork seat; when the external force disappears, the spring piece can not pull the fork seat to move to the left; when the pull rod is pulled downwards, the pull ring drives the spring piece and the inclined raised head fixed with the spring piece to move downwards, when the top end of the inclined raised head moves to a position which can not block the raised head of the fork seat,
the tension spring 40 can pull the fork seat to move to the left side; the stopper bar restricts the spring plate from being excessively pulled downward and deformed.
The length dimension of the fork groove is greater than the sum of the diameter dimension of the ferrule and the width dimension of the bearing outer ring; the shortest distance between the upper fork head and the lower fork head of the fork groove is larger than the diameter of the bearing.
The diameter of the bearing is larger than the thickness of the main magnetic steel, and the thickness of the main magnetic steel is larger than the thickness of the ferrule; the length of the bearing limiting groove is at least two times larger than the width of the bearing outer ring.
The magnetism of the main magnetic steel is the same as that of the upper sides of the two side magnetic steels, and the magnetism of the main magnetic steel is the same as that of the lower sides of the two side magnetic steels.
The rod seat is arranged on a wall surface outside the door frame of the vertical hinged door, the opening direction of the door leaf of the vertical hinged door is opposite to the hinge, and the installation position of the positioning plate is the same as that of the rod seat; the rod seat is fixed on a wall body, the fork seat is moved to the right after the positioning plate is fixed on the vertical hinged door leaf, the inclined plane raised head is made to bounce and fix, the vertical hinged door leaf is opened or closed, and the ferrule, the bearing and the main magnet steel can penetrate through the two fork heads on the positioning plate arranged on the vertical hinged door leaf.
When the door leaf of the vertical hinged door is opened or closed, any part on the rod seat can not contact with the two fork heads.
By adopting the technical scheme of the invention, the invention has the following beneficial effects:
1) the door leaf of the vertical hinged door can be well fixed by virtual masking, so that energy consumption caused by the exchange of a large amount of indoor air and outdoor air is prevented, a certain amount of fresh air can flow into the indoor space, and the vertical hinged door is beneficial to physical health and energy conservation;
2) according to the invention, a large suction force can be generated between the main magnetic steel and the edge magnet which are arranged in the ferrule, so that the virtual masking of the door leaf is more stable;
3) the bearing can well prevent the strong magnetic block from contacting with the fork piece and can play a silencing effect;
4) the virtual masking function can be closed, and the invention is suitable for setting and using at different time, occasions and in different climates according to the requirements of users.
Drawings
FIG. 1 is a perspective view of the present invention (not yet installed in place);
FIG. 2 is a view showing the inside structure of the limiting protrusion of the present invention (after the fork base moves rightwards to cross the ramp protrusion, the fork base is limited by the ramp protrusion and cannot move backwards);
FIG. 3 is a structural view of the inside of the limiting convex strip of the present invention (the state after the inclined raised head moves downwards by pulling the pull rod downwards, the inclined raised head no longer limits the fork seat, and the fork seat is reset leftwards under the action of the tension spring);
FIG. 4 is a perspective view of the present invention (the rod seat and the positioning plate are already installed in place, the fork seat is placed at the right end of the positioning plate, and after the door leaf is closed, the rod seat and the positioning plate are in a state of relationship with the door leaf and the door frame);
FIG. 5 is a perspective view of the present invention (the rod seat and the positioning plate are already installed in place, the fork seat is at the right end of the positioning plate, and the position relationship between the rod seat and the positioning plate when the door leaf is in the closed state);
FIG. 6 is a perspective view of the present invention (the rod seat and the positioning plate are already installed in place, the fork seat is located at the left end of the positioning plate after being reset, and when the door leaf is opened or closed, the fork head does not intersect with the ferrule, the bearing and the main magnet steel);
FIG. 7 is a structural view of the components of the alignment plate of the present invention.
In the figure: the device comprises a rod seat 10, a rod seat fixing hole 10a, a support rod 11, a ferrule 12, a bearing 13, main magnetic steel 14, a positioning plate 20, a positioning plate fixing hole 21, a limiting convex strip 22, a fork seat sliding groove 23, a square through hole 23a, a spring piece 24, a rivet 25, an inclined plane raised head 26, a pull ring 27, a pull rod 28, a stop rod 29, a fork seat 30, a fork seat raised head 30a, a fork head 31, a fork groove 32, a bearing limiting groove 33, side magnetic steel 34, a tension spring 40, a wall body 50, an indoor door frame decorative strip 60, an outdoor door frame 61, a stop door strip 62, a door sleeve plate 63 and a door leaf decorative strip 70.
Detailed Description
The invention is further illustrated by the following figures and examples: as shown in fig. 1 to 7, a door leaf virtual covering device capable of eliminating the limit function comprises a rod seat 10, a positioning plate 20, a fork seat 30 and a tension spring 40; the device is characterized in that a rod seat fixing hole 10a and a support rod 11 are arranged on the rod seat 10, a ferrule 12 is arranged at the top end of the support rod 11, a bearing 13 is arranged outside the ferrule 12, and main magnetic steel 14 is fixed in the ferrule 12; a positioning plate fixing hole 21 is formed in the positioning plate 20, a limiting convex strip 22 is arranged in the middle of the positioning plate 20, a fork seat sliding groove 23 is formed in the middle of the limiting convex strip 22, a square through hole 23a is formed below the limiting convex strip 22, and the square through hole 23a is communicated with the fork seat sliding groove 23; a stop lever 29 is arranged below the limit convex strip 22, and one end of the spring piece 24 is fixed below the limit convex strip 22 by a rivet 25; a slope raised head 26 is arranged above the other end of the spring piece 24, and the slope raised head 26 is arranged in the square through hole 23 a; a pull ring 27 is arranged below the spring piece 24, and a pull rod 28 is arranged in the pull ring 27; the fork seat 30 is slidably arranged in the fork seat sliding groove 23, a fork seat raised head 30a is arranged on the left side of the fork seat 30, two fork heads 31 are arranged on the right side of the fork seat 30, and a fork groove 32 is formed between the two fork heads 31; the opposite surfaces of the two forks 31 are provided with bearing limiting grooves 33, and the outer ends of the two forks 31 are provided with edge magnetic steels 34; one end of the tension spring 40 is fixed with the inner end of the fork seat 30, and the other end of the tension spring 40 is fixed with one surface of the inner surface of the square through hole 23a, which faces the inner end of the fork seat 30; the fork holder 30 is driven by the tension spring 40 to move towards the left side of the positioning plate 20 all the time until the fork holder raised head 30a touches the surface of the fork holder sliding groove 23 opposite to the fork holder raised head 30 a; the spring piece 24 is arranged to bounce towards the upper part of the limiting convex strip 22, and the spring piece 24 forces the inclined plane convex head 26 to protrude in the fork seat sliding groove 23 through the square through hole 23 a; when the fork seat 30 is forced to slide to the right by external force, and the fork seat raised head 30a moves to the right until the inclined plane raised head 26 cannot be shielded, the inclined plane blocking raised head 26 bounces upwards under the action of the spring piece 24 and blocks at the left side of the fork seat raised head 30 a; when the external force disappears, the spring piece 24 can not pull the fork seat 30 to move to the left; pulling down on pull rod 28 causes pull ring 27 to move downward along spring 24 and ramp nose 26 fixed to spring 24. when the top end of ramp nose 26 moves to a position where it cannot block fork mount nose 30a, tension spring 40 pulls fork mount 30 to the left; the stopper lever 29 restricts the spring piece 24 from being excessively pulled downward and deformed.
The length dimension of the fork groove 32 is larger than the sum of the diameter dimension of the ferrule 12 and the width dimension of the outer ring of the bearing 13; the shortest distance between the upper fork head 31 and the lower fork head 31 of the fork groove 32 is larger than the diameter of the bearing 13.
The diameter of the bearing 13 is larger than the thickness of the main magnet steel 14, and the thickness of the main magnet steel 14 is larger than the thickness of the ferrule 12; the length of the bearing limiting groove 33 is at least 1.5 times larger than the width of the outer ring of the bearing 13.
The main magnet steel 14 has the same magnetism as the upper sides of the two side magnet steels 34, and the main magnet steel 14 has the same magnetism as the lower sides of the two side magnet steels 34.
The rod seat 10 is installed on a wall surface outside the door frame, opposite to the hinge, in the opening direction of the vertical hinged door leaf 70, and the installation position of the positioning plate 20 is the same as that of the rod seat 10; the rod seat 10 is fixed on the wall 50, after the positioning plate 20 is fixed on the vertical hinged door leaf 70, the fork seat 30 is moved to the right, so that the inclined raised head 26 is sprung and fixed, the vertical hinged door leaf 70 is opened or closed, and the ferrule 12, the bearing 13 and the main magnet steel 14 can penetrate through the two forks 31 of the positioning plate 20 arranged on the vertical hinged door leaf 70.
When the spring plate 24 is pulled downwards, the inclined raised head 26 no longer limits the fork seat 30, the fork seat 30 moves to the left, and any part on the rod seat 10 can not contact with the two fork heads 31 when the vertical hinged door leaf 70 is opened or closed.
The above examples of the present invention are illustrative of typical embodiments of the present invention and are not intended to limit the embodiments of the present invention. Obvious variations from the embodiments of the present invention are still within the scope of the claims of the present invention.
Claims (9)
1. A door leaf virtual covering device capable of eliminating a limit function comprises a rod seat (10), a positioning plate (20), a fork seat (30) and a tension spring (40); the device is characterized in that a rod seat fixing hole (10 a) and a support rod (11) are arranged on the rod seat (10), a ferrule (12) is arranged at the top end of the support rod (11), a bearing (13) is arranged outside the ferrule (12), and main magnetic steel (14) is fixed in the ferrule (12); a positioning plate fixing hole (21) is formed in the positioning plate (20), a limiting convex strip (22) is arranged in the middle of the positioning plate (20), a fork seat sliding groove (23) is formed in the middle of the limiting convex strip (22), a square through hole (23 a) is formed below the limiting convex strip (22), and the square through hole (23 a) is communicated with the fork seat sliding groove (23); a stop lever (29) is further arranged below the limiting convex strip (22), and one end of the spring piece (24) is fixed below the limiting convex strip (22) by the rivet (25); an inclined raised head (26) is arranged above the other end of the spring piece (24), and the inclined raised head (26) is arranged in the square through hole (23 a); a pull ring (27) is arranged below the spring piece (24), and a pull rod (28) is arranged in the pull ring (27); the fork seat (30) is arranged in the fork seat sliding groove (23) in a sliding manner, a fork seat raised head (30 a) is arranged on the left side of the fork seat (30), two fork heads (31) are arranged on the right side of the fork seat (30), and a fork groove (32) is formed between the two fork heads (31); bearing limiting grooves (33) are formed in the opposite surfaces of the two fork heads (31), and the depth of each bearing limiting groove (33) is about 0.8 mm; the outer ends of the two fork heads (31) are provided with edge magnetic steels (34); one end of the tension spring (40) is fixed with the inner end of the fork seat (30), and the other end of the tension spring (40) is fixed with one surface of the inner surface of the square through hole (23 a) facing the inner end of the fork seat (30); the fork seat (30) is driven by the tension spring (40) to move towards the left side of the positioning plate (20) all the time until the raised head (30 a) of the fork seat touches the surface of the chute (23) of the fork seat opposite to the raised head (30 a) of the fork seat; the spring piece (24) is arranged to bounce towards the upper part of the limiting convex strip (22), and the spring piece (24) forces the inclined plane convex head (26) to protrude in the fork seat sliding groove (23) through the square through hole (23 a); when the fork seat (30) is forced to slide towards the right by external force, and when the raised head (30 a) of the fork seat moves towards the right until the raised head (26) of the inclined plane cannot be shielded, the raised head (26) of the inclined plane is upwards bounced under the action of the spring piece (24) and is blocked at the left side of the raised head (30 a) of the fork seat; when the external force disappears, the spring piece (24) can not pull the fork seat (30) to move to the left; when the top end of the inclined plane raised head (26) moves to a position which cannot block the fork seat raised head (30 a), the tension spring (40) can pull the fork seat (30) to move to the left; the stop lever (29) limits the spring piece (24) from being excessively pulled downwards.
2. A door leaf virtual covering device capable of canceling limit function according to claim 1, wherein the length dimension of the fork groove (32) is larger than the sum of the diameter dimension of the ferrule (12) and the width dimension of the outer ring of the bearing (13).
3. A door leaf virtual covering device capable of canceling limit function according to claim 1, wherein the shortest distance dimension between the upper fork head (31) and the lower fork head (31) of the fork groove (32) is about 2mm larger than the diameter dimension of the bearing (13).
4. A door leaf virtual covering device capable of canceling limit function according to claim 1, wherein the diameter dimension of the bearing (13) is larger than the thickness dimension of the main magnet (14), the thickness dimension of the main magnet (14) is larger than the thickness dimension of the ferrule (12), the center point of the bearing (13) is, and the middle point of the thickness of the main magnet (14) and the middle point of the thickness of the ferrule (12) are on the same horizontal line.
5. A door leaf virtual covering device capable of canceling the limit function according to claim 1, wherein the length of the bearing limit groove (33) is at least 1.5 times greater than the width of the outer ring of the bearing (13).
6. A door leaf virtual covering device capable of canceling limit function according to claim 1, wherein the main magnetic steel (14) has the same magnetism as the upper sides of the two side magnetic steels (34), and the main magnetic steel (14) has the same magnetism as the lower sides of the two side magnetic steels (34).
7. A door leaf virtual covering device capable of canceling the limit function according to claim 1, wherein the rod seat (10) is installed on the wall surface outside the door frame of the vertical hinged door (70) far from the hinge side in the opening direction, and the positioning plate (20) is installed at the same position as the rod seat (10).
8. A door leaf virtual covering device capable of canceling a limit function according to claim 1, wherein the rod seat (10) is fixed on a wall body (50), the positioning plate (20) is fixed on the vertical hinged door leaf (70), after the fork seat (30) is moved to the right and is bounced and fixed by the inclined plane raised head (26), when the vertical hinged door leaf (70) is opened or closed, the ferrule (12), the bearing (13) and the main magnet steel (14) can pass through between two fork heads (31) on the positioning plate (20) arranged on the vertical hinged door leaf (70).
9. A door leaf virtual covering device capable of canceling the limit function according to claim 1, wherein the spring plate (24) is pulled downward to make the inclined projection (26) no longer limit the fork seat (30), the fork seat (30) moves to the left, and when the vertical hinged door leaf (70) is opened or closed, any part on the rod seat (10) will not contact with the two fork heads (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427114.0A CN113982391B (en) | 2021-11-28 | 2021-11-28 | Door leaf virtual covering device with cancelling limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427114.0A CN113982391B (en) | 2021-11-28 | 2021-11-28 | Door leaf virtual covering device with cancelling limiting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113982391A true CN113982391A (en) | 2022-01-28 |
| CN113982391B CN113982391B (en) | 2023-03-21 |
Family
ID=79732190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427114.0A Active CN113982391B (en) | 2021-11-28 | 2021-11-28 | Door leaf virtual covering device with cancelling limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113982391B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6327743B1 (en) * | 1998-05-01 | 2001-12-11 | Maras, Inc. | Door safety device |
| US20060049645A1 (en) * | 2003-03-19 | 2006-03-09 | Drumm Gmbh | Magneto-mechanical locking device |
| CN201443254U (en) * | 2009-07-16 | 2010-04-28 | 高洁 | Mobile doorstop |
| JP2013159966A (en) * | 2012-02-06 | 2013-08-19 | Nakao Seisakusho:Kk | Door stopper |
| JP2018031251A (en) * | 2016-08-19 | 2018-03-01 | 山口 道子 | Door stopper with shock absorbing mechanism |
| CN108131069A (en) * | 2018-02-20 | 2018-06-08 | 重庆工业职业技术学院 | A kind of vertical hinged door of building decoration band special bearing is left unlocked or unlatched device |
| CN212201815U (en) * | 2019-12-26 | 2020-12-22 | 上海京藤建设工程(集团)有限公司 | Glass curtain wall with hidden opening sash |
| CN212389176U (en) * | 2020-08-07 | 2021-01-22 | 林旭文 | Base for door limiting and door limiting positioner |
-
2021
- 2021-11-28 CN CN202111427114.0A patent/CN113982391B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6327743B1 (en) * | 1998-05-01 | 2001-12-11 | Maras, Inc. | Door safety device |
| US20060049645A1 (en) * | 2003-03-19 | 2006-03-09 | Drumm Gmbh | Magneto-mechanical locking device |
| CN201443254U (en) * | 2009-07-16 | 2010-04-28 | 高洁 | Mobile doorstop |
| JP2013159966A (en) * | 2012-02-06 | 2013-08-19 | Nakao Seisakusho:Kk | Door stopper |
| JP2018031251A (en) * | 2016-08-19 | 2018-03-01 | 山口 道子 | Door stopper with shock absorbing mechanism |
| CN108131069A (en) * | 2018-02-20 | 2018-06-08 | 重庆工业职业技术学院 | A kind of vertical hinged door of building decoration band special bearing is left unlocked or unlatched device |
| CN212201815U (en) * | 2019-12-26 | 2020-12-22 | 上海京藤建设工程(集团)有限公司 | Glass curtain wall with hidden opening sash |
| CN212389176U (en) * | 2020-08-07 | 2021-01-22 | 林旭文 | Base for door limiting and door limiting positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113982391B (en) | 2023-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102023481B1 (en) | Variable Stopper Apparatus For Window | |
| CN113982391B (en) | Door leaf virtual covering device with cancelling limiting function | |
| CN113982390B (en) | Installation and use method of door leaf virtual masking device | |
| KR20210071223A (en) | Insect screen separation preventing device | |
| CN210152465U (en) | Fixed-point magnetic attraction contact type positioning device for virtual covering of vertical hinged door | |
| JP2010281083A (en) | Double sliding window mechanism | |
| KR100462120B1 (en) | a sliding door for crime prevention | |
| KR101086886B1 (en) | Semi-auto sliding door | |
| EP1705326A2 (en) | Floating door construction making use of a magnetic field | |
| KR20190099873A (en) | Stopper for insect screen and window having the same | |
| CN114059867B (en) | Door leaf virtual mask device with prompt function | |
| CN212743819U (en) | Invisible door gap sealing device | |
| CN107386848B (en) | Toggle block for pulley damper | |
| JP3704136B2 (en) | Slide rail device for upper sliding door | |
| CN219061313U (en) | Buffer and window | |
| KR200481687Y1 (en) | Anti-condensation device of shutter switchgear for ventilation windows | |
| CN220395511U (en) | Off-axis door with mobile protection function | |
| TWM592897U (en) | Invisible door stop and door sliver | |
| KR20200137415A (en) | Gap preventing device for sliding fittings | |
| CN212296170U (en) | Single-handle built-in louver glass window | |
| CN219622460U (en) | Self-suction door lock structure | |
| CN213743104U (en) | Energy-saving heat-insulating door and window | |
| KR102638557B1 (en) | Support spring assembling device for elevator frame | |
| WO2021232917A1 (en) | Flat-type ventilation door-window structure | |
| CN215485398U (en) | Door stop device of timber |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |