CN109138797B - Safety wooden door fence - Google Patents
Safety wooden door fence Download PDFInfo
- Publication number
- CN109138797B CN109138797B CN201810964729.9A CN201810964729A CN109138797B CN 109138797 B CN109138797 B CN 109138797B CN 201810964729 A CN201810964729 A CN 201810964729A CN 109138797 B CN109138797 B CN 109138797B
- Authority
- CN
- China
- Prior art keywords
- lock
- door rail
- shell
- locking
- fixing
- 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.)
- Active
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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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/04—Shutters, movable grilles, or other safety closing devices, e.g. against burglary of wing type, e.g. revolving or sliding
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0014—Locks or fastenings for special use to prevent opening by children
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a safe wooden door fence. The safety wooden door fence comprises a fixing device and a locking device, wherein the locking device comprises a first locking mechanism and a second locking mechanism; the first locking mechanism comprises a lock head and a locking part, the locking part comprises a first lock seat and a first lock shell, the first lock seat comprises a first lock tongue, one side of which is provided with a first elastic piece, and a pushing piece, the pushing piece is used for pushing the first lock tongue to move towards the first lock shell, and the other end of the first elastic piece is propped against the first lock shell; the lock head is a step surface; the second locking mechanism comprises a second lock shell, and the second lock shell is provided with a second lock tongue; the bottom rod is provided with a lock hole. According to the safe wooden door rail, the first locking mechanism and the second locking mechanism are matched to realize opening and closing of the door rail, the pushing piece of the locking part is pushed to push the first lock tongue to move towards the lock shell, so that the lock head can move in the lock shell, the second lock tongue of the second locking mechanism can be exposed out of the lock hole to unlock the door rail, and a child can be effectively prevented from opening the door rail by himself.
Description
Technical Field
The invention relates to the technical field of doors, in particular to a safe wooden door rail.
Background
The prior door rail general structure comprises a door frame and a door rail, wherein the door rail is hinged to one side of the door frame, then a door frame lock is arranged on the other side of the door frame, a door rail lock matched with the door frame lock is arranged on the other side of the door rail, and the door rail is manually locked on the door frame lock through the door rail lock, so that the locking of the door rail and the door frame is realized. The structure for realizing the locking of the door frame is too simple in general unlocking steps, so that a child can easily unlock the door lock by himself, and the child can enter a place (such as a kitchen and the like) with a certain danger from the door rail, thereby causing injury to the child.
Disclosure of Invention
The invention aims to provide a safe wooden door fence with simple structure and high safety aiming at the defects in the prior art.
The invention relates to a safe wooden door fence, which comprises a door fence, a fixing device for fixing one side of the door fence on a door frame and a locking device for locking the other side of the door fence on the door frame, wherein the locking device comprises a first locking mechanism and a second locking mechanism;
the first locking mechanism comprises a lock head connected to the door rail and a locking part matched with the lock head, the locking part comprises a first lock seat and a first lock shell, the first lock seat comprises a first lock tongue, one side of the first lock seat is provided with a first elastic piece, and a pushing piece is used for pushing the first lock tongue to move towards the first lock shell, and the other end of the first elastic piece is propped against the first lock shell; the lock head is a step surface;
the second locking mechanism comprises a second lock shell used for accommodating one end of a bottom rod of the door rail, and the second lock shell is provided with a second lock tongue; the bottom rod is provided with a lock hole for accommodating the second lock tongue.
Preferably, the lower end of the pushing piece is provided with a second elastic piece, and the other end of the second elastic piece is propped against a stop plate in the first lock shell.
Preferably, the bottom of the second lock tongue is provided with a third elastic piece, the other end of the third elastic piece is propped against the inner wall of the bottom end of the second lock shell, and the contact surface of the second lock tongue and the bottom rod of the door rail is an inclined surface.
Preferably, the fixing device comprises a connecting rod and a fixing seat, wherein the connecting rod is L-shaped, the fixing seat comprises a fixing shell and a clamping seat, the first end of the connecting rod is fixed with the door rail, the second end of the connecting rod is provided with a clamping groove, the clamping seat is provided with a through hole for the second end of the connecting rod to penetrate through, and the side surface of the clamping seat is provided with a fourth elastic piece propped against the fixing plate of the fixing shell.
Preferably, the surface of the first lock tongue, which is contacted with the pushing piece, is an inclined surface.
Preferably, the main board of first spring bolt is equipped with the sliding hole, first lock seat is equipped with and is used for confession first spring bolt gliding sliding shaft, first spring bolt is equipped with and colludes the portion, the tapered end be equipped with collude portion matched with spacing groove.
Preferably, the inner wall of the fixing seat is provided with a sliding plate, and the outer wall of the clamping seat is provided with a sliding groove for the sliding plate to slide.
Preferably, the clamping seat is provided with a protrusion part penetrating through the fixing seat.
Preferably, the door rail is a telescopic door rail.
Preferably, the door rail comprises a first door rail and a second door rail, wherein the first sliding part with a sliding groove is fixedly arranged at one end, close to the fixing device, of the ejector rod and the bottom rod of the first door rail, and the second sliding part with the sliding groove is fixedly arranged at one end, far away from the fixing device, of the ejector rod and the bottom rod of the second door rail, so that the first door rail can slide in a telescopic manner relative to the second door rail.
According to the safe wooden door rail, the first locking mechanism and the second locking mechanism are matched to realize opening and closing of the door rail, the pushing piece of the locking part is pushed to push the first lock tongue to move towards the lock shell, so that the lock head can move in the lock shell, the second lock tongue of the second locking mechanism can be exposed out of the lock hole to unlock the door rail, and a child can be effectively prevented from opening the door rail by himself.
Drawings
FIG. 1 is a schematic view of the safety wooden door rail of the present invention;
FIG. 2 is a schematic view of a first locking mechanism of the safety wooden door rail of the present invention;
FIG. 3 is a schematic view of a second locking mechanism of the safety wooden door rail of the present invention;
fig. 4 is a sectional view of the fixing device for the safety wooden door rail of the present invention.
10-a door rail; 11-a first door rail; 12-a second door rail; 13-ejector rods; 14-a bottom bar; 141-a keyhole; 15-a first fixing member; 16-sliding grooves; 17-a second fixing member; 20-fixing means; 21-a connecting rod; 211-a first end; 212-a second end; 213-clamping groove; 22-fixing seats; 221-fixing the shell; 2211-a fixed plate; 2212-skateboard; 222-a clamping seat; 2221-penetration hole; 2222-sliding groove; 2223-projection; 30-locking means; 40-a first locking mechanism; 41-locking head; 411-limit groove; 42-locking part; 421-a first lock base; 4211-a first locking tongue; 4211 a-motherboard; 4211 b-a sliding hole; 4211 c-a hooking portion; 4212-a pusher; 4213-a sliding shaft; 422-a first lock housing; 4221-a stopper; 50-a second locking mechanism; 51-a second lock housing; 511-a second locking tongue; 512-the inner wall of the bottom end; 61-a first elastic member; 62-a second elastic member; 63-a third elastic member; 64-fourth elastic member.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the safety wooden door rail 10 of the present invention comprises a door rail 10, a fixing device 20 for fixing one side of the door rail 10 on a door frame, and a locking device 30 for locking the other side of the door rail 10 on the door frame, wherein the locking device 30 comprises a first locking mechanism 40 and a second locking mechanism 50;
the first locking mechanism 40 comprises a lock head 41 connected to the door rail 10 and a locking part 42 matched with the lock head 41, the locking part 42 comprises a first lock seat 421 and a first lock shell 422, the first lock seat 421 comprises a first lock tongue 4211 with a first elastic member 61 at one side and a pushing member 4212 for pushing the first lock tongue 4211 to move towards the first lock shell 422, and the other end of the first elastic member 61 is propped against the first lock shell 422; the lock 41 is a step surface;
as shown in fig. 3, the second locking mechanism 50 includes a second lock housing 51 for accommodating one end of the bottom bar 14 of the door rail 10, and the second lock housing 51 is provided with a second lock tongue 511; the bottom rod 14 is provided with a locking hole 141 for accommodating the second locking tongue 511.
According to the safety wooden door rail 10 disclosed by the invention, the first locking mechanism 40 and the second locking mechanism 50 are matched to realize the opening and closing of the door rail 10, the pushing piece 4212 of the locking part 42 is pushed to push the first lock tongue 4211 to move towards the lock shell, so that the lock head 41 can move in the first lock shell 422, the second lock tongue 511 of the second locking mechanism 50 can be exposed from the lock hole 141 to realize the unlocking of the door rail 10, and the door rail 10 can be effectively prevented from being opened by a child.
As shown in fig. 2, the lower end of the pushing member 4212 may be provided with a second elastic member 62, the other end of the second elastic member 62 abuts against a stop plate 4221 in the first lock shell 422, when the pushing member 4212 is pushed, the pushing member 4212 moves in a direction of force action, the pushing member 4212 pushes the first lock tongue 4211 to move toward the first lock shell 422, and since the lock 41 is a step surface, the lock 41 can move in the first lock shell 422, and when the pushing member 4212 is released, the pushing member 4212 can be reset under the action of the second elastic member 62. The second elastic member 62 may be made of various materials and structures, and in this embodiment, the second elastic member 62 may be a spring, one end of which is connected to the lower end of the pushing member 4212, and the other end of which abuts against the stop plate 4221 in the first lock housing 422.
The surface of the first locking bolt 4211 contacting the pushing member 4212 may be a slope or a curved surface, the pushing member 4212 is pushed downward, the pushing member 4212 contacts the first locking bolt 4211, the contact surface is a slope to break up the force of the pushing member 4212 acting on the first locking bolt 4211 into multiple forces, one of the forces pushes the first locking bolt 4211 to move toward the first lock shell 422, so that the first locking bolt 4211 unlocks the locking head 41, and the locking head 41 can move in the first lock shell 422, and after the pushing member 4212 is released, the force acting on the first locking bolt 4211 is not available, and the first locking bolt 4211 is reset under the action of the first elastic member 61.
The main plate 4211a of the first locking tongue 4211 may be provided with a sliding hole 4211b, and the first lock base 421 is provided with a sliding shaft 4213 for sliding the first locking tongue 4211, so that when the first locking tongue 4211 is subjected to the force of the pushing member 4212 or the first elastic member 61, the first locking tongue can reciprocate along the sliding shaft 4213 through the sliding hole 4211 b.
The first locking tongue 4211 may be provided with a hooking portion 4211c, and the locking head 41 may be provided with a limiting slot 411 engaged with the hooking portion 4211c, when the door rail 10 needs to be closed, the locking head 41 is inserted into the first lock shell 422, and the hooking portion 4211c of the first locking tongue 4211 hooks the limiting slot 411, so that the first locking tongue 4211 is locked with the locking head 41.
The second locking bolt 511 may have various structures, and in one implementation manner, the second locking bolt 511 may be a protruding block disposed on an upper bottom plate of the second lock case 51, and may be inserted into the lock hole 141 to play a role of locking the door rail 10, and when the door rail 10 is closed, the lock 41 may be lifted up to expose the protruding block from the lock hole 141, and when the door rail 10 is opened, the door rail 10 may be lifted up again to enable the protruding block to be inserted into the lock hole 141.
In this embodiment, the bottom end of the second lock tongue 511 may be provided with a third elastic member 63, and the other end of the third elastic member 63 may abut against the inner wall 512 at the bottom end of the second lock housing 51, where the contact surface of the second lock tongue 511 with the bottom rod 14 of the door rail 10 is an inclined surface. The unlocking process of the second locking mechanism 50 is the same as that of the above-mentioned realizable mode, and when the door rail 10 is closed, the door rail 10 is not required to be lifted any more, the bottom rod 14 of the door rail 10 is directly inserted into the second lock housing 51, the bottom rod 14 of the door rail 10 contacts with the inclined surface of the second lock tongue 511, a downward acting force is given to the second lock tongue 511, the second lock tongue 511 presses the third elastic member 63, and when the second lock tongue 511 is inserted into the lock hole 141, an opposite acting force is given to the second lock tongue 511 by the third elastic member 63, so that the second lock tongue 511 is reset. The second locking mechanism 50 locks, thus avoiding the need to lift the door rail 10 up again when the door rail 10 is re-closed. In this embodiment, the third elastic member 63 may be a spring, one end of the spring is connected to the second locking lower end, and the other end of the spring abuts against the bottom inner wall 512 of the second lock housing 51.
As shown in fig. 4, the fixing device 20 may include an L-shaped connecting rod 21 and a fixing base 22, the fixing base 22 includes a clamping seat 222 and a fixing shell 221, a first end 211 of the connecting rod 21 is fixed to the door rail 10, a second end 212 of the connecting rod 21 is provided with a clamping groove 213, the clamping seat 222 is provided with a through hole 2221 through which the second end 212 of the connecting rod 21 passes, and a side surface of the clamping seat 222 is provided with a fourth elastic member 64 that abuts against the fixing plate 2211 of the fixing shell 221. In order to enable the door to be opened to the maximum extent, the door rail 10 can drive the connecting rod 21 to rotate in the accommodating groove, so that the door is opened to the side. Wherein the fixing plate 2211 is fixed to the door frame by screws. In this embodiment, the fourth elastic member 64 may be a spring, one end of the spring is connected to the side of the holder 222, and the other end of the spring abuts against the inner wall of the fixing plate 2211.
The inner wall of the fixed housing 221 may be provided with a sliding plate 2212, and the outer wall of the clamping seat 222 is provided with a sliding groove 2222 for the sliding plate 2212 to slide. So that the card holder 222 can slide with respect to the fixing case 221, the card holder 222 may be provided with a protrusion 2223 penetrating the fixing case 221. The clamping groove 213 of the connecting rod 21 is clamped by the clamping seat 222, locking is achieved, the connecting rod 21 can be taken out by pressing the protruding part 2223, and the door rail 10 is convenient to install and detach.
The door rail 10 may be a retractable door rail 10. The retractable door rail 10 has various structures, but is not limited to this embodiment, the door rail 10 may include a first door rail 11 and a second door rail 12, where a first fixing member 15 with a sliding slot 16 is fixed on one end of a top rod 13 and a bottom rod 14 of the first door rail 11, which is close to the fixing device 20, and a second fixing member 17 with a sliding slot 16 is fixed on one end of a top rod 13 and a bottom rod 14 of the second door rail 12, which is far from the fixing device 20, so that the first door rail 11 can slide telescopically relative to the second door rail 12.
The above is not relevant and is applicable to the prior art.
While certain specific embodiments of the present invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the foregoing examples are provided for the purpose of illustration only and are not intended to limit the scope of the invention, and that various modifications or additions and substitutions to the described specific embodiments may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the accompanying claims. It should be understood by those skilled in the art that any modification, equivalent substitution, improvement, etc. made to the above embodiments according to the technical substance of the present invention should be included in the scope of protection of the present invention.
Claims (7)
1. A safety wooden door rail comprising a door rail (10), a fixing device (20) for fixing one side of the door rail (10) on a door frame, and a locking device (30) for locking the other side of the door rail (10) on the door frame, characterized in that: the locking device (30) comprises a first locking mechanism (40) and a second locking mechanism (50);
the first locking mechanism (40) comprises a lock head (41) connected to the door rail (10) and a locking part (42) matched with the lock head (41), the locking part (42) comprises a first lock seat (421) and a first lock shell (422), the first lock seat (421) comprises a first lock tongue (4211) with a first elastic piece (61) at one side and a pushing piece (4212) for pushing the first lock tongue (4211) to move towards the first lock shell (422), and the other end of the first elastic piece (61) is propped against the first lock shell (422); the lock head (41) is a step surface;
the second locking mechanism (50) comprises a second lock shell (51) for accommodating one end of a bottom rod (14) of the door rail (10), and the second lock shell (51) is provided with a second lock tongue (511); the bottom rod (14) is provided with a lock hole (141) for accommodating the second lock tongue (511);
the surface of the first lock tongue (4211) contacted with the pushing piece (4212) is an inclined surface or a curved surface;
the main board (4211 a) of the first lock tongue (4211) is provided with a sliding hole (4211 b), and the first lock seat (421) is provided with a sliding shaft (4213) for the first lock tongue (4211) to slide;
the first lock tongue (4211) is provided with a hooking part (4211 c), and the lock head (41) is provided with a limit groove (411) matched with the hooking part (4211 c);
the second lock tongue (511) is a protruding block arranged on the upper bottom plate of the second lock shell (51);
the fixing device (20) comprises a connecting rod (21) in an L shape and a fixing seat (22), the fixing seat (22) comprises a fixing shell (221) and a clamping seat (222), a first end (211) of the connecting rod (21) is fixed with the door rail (10), a clamping groove (213) is formed in a second end (212) of the connecting rod (21), a through hole (2221) for the second end (212) of the connecting rod (21) to penetrate is formed in the clamping seat (222), and a fourth elastic piece (64) propped against a fixing plate (2211) of the fixing shell (221) is arranged on the side face of the clamping seat (222);
a sliding plate (2212) is arranged on the inner wall of the fixed shell (221), and a sliding groove (2222) for the sliding plate (2212) to slide is formed on the outer wall of the clamping seat (222);
the card holder (222) is provided with a protrusion (2223) penetrating the front plate of the fixed case (221).
2. A safety wooden door rail as claimed in claim 1 wherein: the lower end of the pushing piece (4212) is provided with a second elastic piece (62), and the other end of the second elastic piece (62) is propped against a stop plate (4221) in the first lock shell (422).
3. A safety wooden door rail as claimed in claim 1 wherein: the bottom of second spring bolt (511) is equipped with third elastic component (63), the other end of third elastic component (63) offsets with second lock shell (51) bottom inner wall (512), second spring bolt (511) with the contact surface of door rail (10) sill bar (14) is the inclined plane.
4. A safety wooden door rail as claimed in claim 1 wherein: the surface of the first lock tongue (4211) contacted with the pushing piece (4212) is an inclined surface.
5. A safety wooden door rail as claimed in claim 4 wherein: the main board (4211 a) of the first lock tongue (4211) is provided with a sliding hole (4211 b), the first lock seat (421) is provided with a sliding shaft (4213) for the first lock tongue (4211) to slide, the first lock tongue (4211) is provided with a hooking part (4211 c), and the lock head (41) is provided with a limiting groove (411) matched with the hooking part (4211 c).
6. A safety wooden door rail as claimed in claim 1 wherein: the door rail (10) is a telescopic door rail.
7. A safety wooden door rail as claimed in claim 6 wherein: the door rail (10) comprises a first door rail (11) and a second door rail (12), wherein a first fixing piece (15) with a sliding groove (16) is fixedly arranged at one end, close to a fixing device (20), of a top rod (13) and a bottom rod (14) of the first door rail (11), and a second fixing piece (17) with the sliding groove (16) is fixedly arranged at one end, far away from the fixing device (20), of the top rod (13) and the bottom rod (14) of the second door rail (12), so that the first door rail (11) can slide in a telescopic manner relative to the second door rail (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964729.9A CN109138797B (en) | 2018-08-23 | 2018-08-23 | Safety wooden door fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964729.9A CN109138797B (en) | 2018-08-23 | 2018-08-23 | Safety wooden door fence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138797A CN109138797A (en) | 2019-01-04 |
| CN109138797B true CN109138797B (en) | 2023-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810964729.9A Active CN109138797B (en) | 2018-08-23 | 2018-08-23 | Safety wooden door fence |
Country Status (1)
| Country | Link |
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| CN (1) | CN109138797B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409983B (en) * | 2019-08-27 | 2024-05-24 | 宁波市攸曼儿童防护用品有限公司 | Door rail assembly and door rail limiting method |
| CN115306183A (en) * | 2022-08-24 | 2022-11-08 | 上海七零一所杨园高压氧舱有限公司 | Medical oxygen pressurization oxygen cabin door multilayer locking structure and hyperbaric oxygen cabin |
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|---|---|---|---|---|
| TW446059U (en) * | 2000-02-25 | 2001-07-11 | Jeng Shu Jen | Improved locking device for security door fence |
| CN203961764U (en) * | 2014-07-18 | 2014-11-26 | 杭州亲茂日用品有限公司 | The door hurdle of a kind of tool bi-directional door and bride visits her parents with her husband for the first time after the wedding automatically function |
| CN104790753A (en) * | 2015-02-12 | 2015-07-22 | 浙江鑫博婴童用品有限公司 | Locking mechanism of door sill capable of being closed automatically |
| CN104863483A (en) * | 2015-05-25 | 2015-08-26 | 浙江丽童家居有限公司 | Upper rotating shaft type safe door fence capable of being closed automatically |
| CN204877232U (en) * | 2015-08-04 | 2015-12-16 | 谢明伦 | Emergency exit with double -locking decides mechanism |
| AU2016101671A4 (en) * | 2015-09-18 | 2016-10-13 | D & D Technologies Pty Ltd | Improvements to Latches for Movable Barriers or the like |
| CN209483155U (en) * | 2018-08-23 | 2019-10-11 | 浙江丽童家居有限公司 | A kind of safe timber column |
-
2018
- 2018-08-23 CN CN201810964729.9A patent/CN109138797B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW446059U (en) * | 2000-02-25 | 2001-07-11 | Jeng Shu Jen | Improved locking device for security door fence |
| CN203961764U (en) * | 2014-07-18 | 2014-11-26 | 杭州亲茂日用品有限公司 | The door hurdle of a kind of tool bi-directional door and bride visits her parents with her husband for the first time after the wedding automatically function |
| CN104790753A (en) * | 2015-02-12 | 2015-07-22 | 浙江鑫博婴童用品有限公司 | Locking mechanism of door sill capable of being closed automatically |
| CN104863483A (en) * | 2015-05-25 | 2015-08-26 | 浙江丽童家居有限公司 | Upper rotating shaft type safe door fence capable of being closed automatically |
| CN204877232U (en) * | 2015-08-04 | 2015-12-16 | 谢明伦 | Emergency exit with double -locking decides mechanism |
| AU2016101671A4 (en) * | 2015-09-18 | 2016-10-13 | D & D Technologies Pty Ltd | Improvements to Latches for Movable Barriers or the like |
| CN209483155U (en) * | 2018-08-23 | 2019-10-11 | 浙江丽童家居有限公司 | A kind of safe timber column |
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| Publication number | Publication date |
|---|---|
| CN109138797A (en) | 2019-01-04 |
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