CN109162616A - A kind of automatic door-closing safety door sill - Google Patents
A kind of automatic door-closing safety door sill Download PDFInfo
- Publication number
- CN109162616A CN109162616A CN201810964691.5A CN201810964691A CN109162616A CN 109162616 A CN109162616 A CN 109162616A CN 201810964691 A CN201810964691 A CN 201810964691A CN 109162616 A CN109162616 A CN 109162616A
- Authority
- CN
- China
- Prior art keywords
- door
- doorframe
- lock tongue
- inside door
- closing safety
- 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.)
- Pending
Links
- 230000005389 magnetism Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid 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
- 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
-
- 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
- E05B65/06—Locks or fastenings for special use for swing doors or windows, i.e. opening inwards and outwards
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
-
- 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
- E05Y2900/144—Security grills
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses a kind of automatic door-closing safety door sills, including doorframe and inside door, the side of inside door is hinged on doorframe by linkwork, the other side is locked on doorframe by locking mechanism, linkwork includes upper hinge and shaft articulation piece, upper hinge includes the inside door axle sleeve being arranged on inside door, the doorframe shaft being installed on doorframe and the return elastic component for connecting the above two, is surrounded with two sections of inclined-planes around doorframe shaft；Locking mechanism includes upper closure and lower closure, and upper closure includes magnetic lock tongue and receives box on magnetic magnetism lock tongue；Lower closure include under the lower lock tongue being arranged on inside door and the backstop being arranged on doorframe the lower of lock tongue receive box.The opening direction of inside door of the invention is unrestricted, can bi-directional door, after opening can it is automatic bride visits her parents with her husband for the first time after the wedding, it is easy to use；Meanwhile the block of sealed two sides can be relied on down, realize unidirectional enabling, unidirectional enabling mode and bi-directional door pattern switching are simple, easy to operate.
Description
Technical field
The invention belongs to indoor children or pet door columns, and in particular to a kind of automatic door-closing safety door sill.
Background technique
Current door column general structure be all include doorframe and Men Lan, general door column is hinged on the side of doorframe, then exists
The other side of doorframe is provided with doorframe lock, and the other side on door column is provided with the door column to match with doorframe lock and locks, passes through door column
Lock is manually locked in door column on doorframe lock, to realize the sealed of a column and doorframe.Such structure, it is sealed in progress
When need be operated manually, even if when doorframe lock and door column lock lean on it is closer when not will do it automatic lock
It closes, but needs to carry out sealed manually.This structure is using in the range of children's activity, there is risks: when door column is opened
Afterwards, adult is due to careless sealed manually there is no door column and doorframe are carried out, so that children can pass into tool from Men Lan
There is the place (such as kitchen etc.) of certain danger, to damage to children.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of automatic door-closing safety door sill, automatic door-closing safety door sill tool
There are bi-directional door and automatic bride visits her parents with her husband for the first time after the wedding function.
It to achieve the goals above, should be certainly the technical solution adopted by the present invention is that providing a kind of automatic door-closing safety door sill
Dynamic shutdown safety door sill includes doorframe and inside door, and the side of the inside door is hinged on the doorframe by linkwork, described
The other side of inside door is locked on the doorframe by locking mechanism, it is characterised in that: the linkwork include upper hinge and
Shaft articulation piece, the upper hinge include the inside door axle sleeve being arranged on the inside door, the doorframe being installed on the doorframe
Shaft and the return elastic component for connecting inside door axle sleeve and doorframe shaft, the inside door axle sleeve are nested in the doorframe shaft,
Two sections of inclined-planes are surrounded with around the doorframe shaft；
The locking mechanism includes upper closure and lower closure, and the upper closure includes the magnetism being arranged on the inside door
Lock tongue and be arranged on the doorframe for receiving box on magnetic magnetism lock tongue；The lower closure includes being arranged in institute
It states the lower of lock tongue under the lower lock tongue on inside door and the backstop being arranged on the doorframe and receives box.
Preferably, the junction on two sections of inclined-planes offers a spacing breach.
Preferably, the inner door axis puts on the limited block for being provided with the insertion spacing breach.
Preferably, it is provided with a central axis in the inside door axle sleeve, one is offered in the doorframe shaft and is plugged
The axis hole up and down of mandrel, the diameter of axis hole upper end are less than lower end and form a holding section, and the return elastic component is set
It sets the lower end in axis hole and is fixed on the central axis.
Preferably, one is provided on the inside door for installing the handle box of the magnetic lock tongue, the handle box
Interior be horizontally disposed with has a sliding slot, and the two sides of the magnetism lock tongue are provided with the sliding block slided for the magnetic lock tongue in sliding slot.
Preferably, receive the suction part that magnetism lock tongue described in a magnetic is provided in box on described.
Preferably, the two sides of the lower lock tongue are respectively arranged with a block, and one end of the block is fixed, the other end
It can move in a circle around fixing end.
Preferably, one is provided on the inside door for installing the mounting box of the lower lock tongue, in the mounting box
It is installed with the container of lower lock tongue described in a backstop, the lower lock tongue connects the top of the container by a spring.
Preferably, the block is mounted on the two sides of the mounting box.
Preferably, the two sides of the doorframe are provided with the mounting portion for realizing the automatic door-closing safety door sill installation.
Magnetic lock tongue is first turned on when the enabling of automatic door-closing safety door sill of the invention, magnetic lock tongue, which is detached from, to be received
Box lifts inside door, receives box under lower lock tongue abjection, pushes inside door forward or backward, open inside door；The inside door of opening relies on door
Two sections of inclined-planes in frame shaft, in addition return elastic component elastic force and inside door own wt, realize automatic door-closing.Of the invention is automatic
The opening direction of the inside door of shutdown safety door sill is unrestricted, can bi-directional door, after opening can it is automatic bride visits her parents with her husband for the first time after the wedding, it is easy to use；
Meanwhile the block of sealed two sides can be relied on down, and realize unidirectional enabling, unidirectional enabling mode and bi-directional door pattern switching are simple,
It is easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic door-closing safety door sill of the invention；
Fig. 2 is the structural schematic diagram of the upper hinge of automatic door-closing safety door sill of the invention；
Fig. 3 is the structural schematic diagram of the upper closure of automatic door-closing safety door sill of the invention；
Fig. 4 is the structural schematic diagram of the lower closure of automatic door-closing safety door sill of the invention.
Wherein, 100- doorframe, 200- inside door, 210- handle box, 220- mounting box, 221- container, 222- spring,
300- linkwork, 310- upper hinge, 311- inside door axle sleeve, 3111- central axis, 3112- limited block, 312- doorframe shaft,
3121- axis hole, 313- return elastic component, the inclined-plane 314-, 315- spacing breach, 320- shaft articulation piece, 400- locking mechanism,
The upper closure of 410-, 411- magnetism lock tongue, 4111- sliding block receive box on 412-, 4121- suction part, closure under 420-,
Lock tongue under 421-, 4211- block receive box, 500- mounting portion under 422-.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Referring to Fig. 1, automatic door-closing safety door sill of the invention includes doorframe 100 and inside door 200, the side of inside door 200
It is hinged on doorframe 100 by linkwork 300, the other side of inside door 200 is locked on doorframe 100 by locking mechanism 400, cuts with scissors
Connection mechanism 300 includes upper hinge 310 and shaft articulation piece 320, and locking mechanism 400 includes upper closure 410 and lower closure
420.Upper hinge 310 realizes that door column is automatically closed, and shaft articulation piece 320 is the hinged of common axis and hole；Upper closure
410 guarantee that the locking on door column, lower closure 420 guarantee that the locking on door column is stable and safe, child avoided to open door column easily.
The two sides of 100 size of doorframe are provided with the mounting portion 500 for realizing the installation of automatic door-closing safety door sill.It can design as needed not
With the doorframe 100 of model with meet user installation requirements and on the door in column range of observation different demands.
Referring to Fig. 2, upper hinge 310 includes the inside door axle sleeve 311 being arranged on inside door 200, is installed on doorframe 100
Doorframe shaft 312 and connect the return elastic component 313 of inside door axle sleeve 311 and doorframe shaft 312, inside door axle sleeve 311 is nested with
In doorframe shaft 312, two sections of inclined-planes 314 are surrounded with around doorframe shaft 312.The junction on two sections of inclined-planes 314 opens up
Have a spacing breach 315, be provided with the limited block 3112 of an insertion spacing breach 315 on inside door axle sleeve 311, limited block 3112 with
The setting of spacing breach 315 ensure that inside door 200 can only could be opened in the case where being lifted up, and increase the unlock of enabling
Difficulty avoids the problem of child opens door column easily, improves safety.Return elastic component 313 can be spring.Inside door
It is provided with a central axis 3111 in axle sleeve 311, an axis up and down for plugging central axis 3111 is offered in doorframe shaft 312
Hole 3121, the diameter of 3121 upper end of axis hole are less than lower end and form a holding section, and the lower end of axis hole 3121 is arranged in spring 222
Portion is simultaneously fixed on the central axis 3111.The upper end of spring offsets with 3121 upper end of axis hole, and the middle part of spring is solid by one
Determine block to be screwed on central axis 3111.When door column is in close state, spring is in the raw.When opening the door, mention upwards
Inside door 200 is played, inside door axle sleeve 311 moves upwardly together, and fixed block is driven to move upwards, and applies a pressure to spring, to bullet
Spring is compressed；The inside door 200 of opening is by two sections of inclined-planes 314 in doorframe shaft 312, in addition spring restores the elastic force of deformation
And the effect of 200 own wt of inside door, realize automatic door-closing.
Locking mechanism 400 includes upper closure 410 and lower closure 420.Referring to Fig. 3, upper closure 410 includes setting
Magnetic lock tongue 411 on inside door 200 and it is arranged on doorframe 100 and receives box on magnetic magnetism lock tongue 411
412；On receive the suction part 4121 that a magnetic magnetism lock tongue 411 is provided in box 412, which can be magnet,
Or the iron block that can be attracted by magnet, such as a band pad screw；One is provided on inside door 200 for installing magnetic lock tongue
411 handle box 210, being horizontally disposed in handle box 210 has a sliding slot, and the two sides of magnetic lock tongue 411 are provided with for magnetic lock tongue
411 make the sliding block 4111 of straight reciprocating motion in sliding slot, and one is also connected on magnetic lock tongue 411 for driving magnetic lock tongue 411
In sliding slot linear movement so that magnetic lock tongue 411 is detached from the button of suction part 4121.
Referring to Fig. 4, lower closure 420 includes the lower lock tongue 421 being arranged on inside door 200 and is arranged on doorframe 100
Backstop under the lower of lock tongue 421 receive box 422, the lower notch for receiving box 422 and offering lock tongue 421 under an accommodating.On inside door 200
One is provided with for installing the mounting box 220 of lower lock tongue 421, the container of lock tongue 421 under an accommodating is installed in mounting box 220
221, the end of lower lock tongue 421 is provided with the protrusion of a sheathed spring 222, and one end of spring 222 offsets with lower lock tongue 421, separately
The top of one end abutting container 221.In addition, it is respectively arranged with a block 4211 in the two sides of mounting box 220, block 4211
One end is fixed, and the other end can move in a circle around fixing end.Wherein the block 4211 of side, which is allocated to stop dog position, can limit a column
The opening direction of inside door 200, the simple switching realizing bi-directional door and unidirectionally opening the door.
It is as described above automatic door-closing safety door sill of the invention.Magnetic lock tongue when door column closed state, on inside door 200
The 411 suction parts 4121 received in box 412 by attract, and complete the locking on door column, receive box under being placed in lock tongue 421 at present
The locking on auxiliary door column in 422.When needing to open column, by button to the direction pulling force for receiving box 412 far from, drive magnetic
Lock tongue 411 receives box 412 far from, lifts inside door 200 then up, receives box 422 under deviating from lower lock tongue 421, forward or
Person pushes inside door 200 backward, opens inside door 200.When door column automatic door-closing, the inside door 200 of opening is on 312 inclined-plane of doorframe shaft
314, it under the action of 200 own wt of elastic force and inside door of the recovery of return elastic component 313 self-deformation, is closed to inside door 200
Direction movement, when moving to closed position, magnetic lock tongue 411 is pulled on suction part 4121, and lower lock tongue 421 receives box under being accommodated in
In 422, the automatic door-closing on door column is completed.When needing to limit enabling direction, adjust the block 4211 of 421 two sides of lock tongue to backstop
Unidirectional enabling can be realized in position.
Magnetic lock tongue 411 is first turned on when the enabling of automatic door-closing safety door sill of the invention, on magnetic lock tongue 411 is detached from
Receive box 412, inside door 200 is lifted, lower lock tongue 421 receives box 422 under deviating from, forward or backward promotion inside door 200, in opening
Door 200；The inside door 200 of opening is by two sections of inclined-planes 314 in doorframe shaft 312, in addition 313 elastic force of return elastic component and inside door
200 own wts realize automatic door-closing.The opening direction of the inside door 200 of automatic door-closing safety door sill of the invention is unrestricted,
Can bi-directional door, after opening can it is automatic bride visits her parents with her husband for the first time after the wedding, it is easy to use；Meanwhile the block 4211 of sealed two sides can be relied on down, it realizes single
To enabling, unidirectional enabling mode and bi-directional door pattern switching are simple, easy to operate.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to be illustrated, the range being not intended to be limiting of the invention, belonging to the present invention
Those skilled in the art can make various modifications or additions to described specific embodiment or using class
As mode substitute, but without departing from direction of the invention or beyond the scope of the appended claims.Ability
Domain it is to be understood by the skilled artisans that according to the technical essence of the invention to made by embodiment of above it is any modification, etc.
With replacement, improvement etc., protection scope of the present invention should be included in.
Claims (10)
1. a kind of automatic door-closing safety door sill, including doorframe (100) and inside door (200), the side of the inside door (200) pass through hinge
Connection mechanism (300) is hinged on the doorframe (100), and the other side of the inside door (200) is locked on by locking mechanism (400)
The doorframe (100), it is characterised in that: the linkwork (300) includes upper hinge (310) and shaft articulation piece (320),
The upper hinge (310) includes the inside door axle sleeve (311) being arranged on the inside door (200), is installed in the doorframe (100)
On doorframe shaft (312) and connect the return elastic components (313) of inside door axle sleeve (311) and doorframe shaft (312), it is described interior
Door-hinge set (311) is nested on the doorframe shaft (312), and two sections of inclined-planes are surrounded with around the doorframe shaft (312)
(314)；
The locking mechanism (400) includes upper closure (410) and lower closure (420), and the upper closure (410) includes setting
Set the magnetic lock tongue (411) on the inside door (200) and be arranged on the doorframe (100) for magnetic magnetism lock tongue
(411) receive box (412) on；The lower closure (420) includes the lower lock tongue (421) being arranged on the inside door (200)
Receive box (422) with the lower of lock tongue (421) is arranged under the backstop on the doorframe (100).
2. automatic door-closing safety door sill according to claim 1, it is characterised in that: the junction of two sections of inclined-planes (314)
Offer a spacing breach (315).
3. automatic door-closing safety door sill according to claim 2, it is characterised in that: be provided on the inside door axle sleeve (311)
The limited block (3112) of the one insertion spacing breach (315).
4. automatic door-closing safety door sill according to claim 1, it is characterised in that: be provided in the inside door axle sleeve (311)
One central axis (3111), the doorframe shaft (312) is interior to offer an axis hole up and down for plugging central axis (3111)
(3121), the diameter of axis hole (3121) upper end is less than lower end one holding section of formation, and return elastic component (313) setting exists
The lower end of axis hole (3121) is simultaneously fixed on the central axis (3111).
5. automatic door-closing safety door sill according to claim 1, it is characterised in that: be provided with a use on the inside door (200)
There are a sliding slot, the magnetic in being horizontally disposed in the handle box (210) for installing the magnetic lock tongue (411), the handle box (210)
Property lock tongue (411) two sides be provided with the sliding block (4111) slided for the magnetic lock tongue (411) in sliding slot.
6. automatic door-closing safety door sill according to claim 1, it is characterised in that: receive to be provided in box (412) on described
The suction part (4121) of magnetism lock tongue (411) described in one magnetic.
7. automatic door-closing safety door sill according to claim 1, it is characterised in that: distinguish the two sides of the lower lock tongue (421)
It is provided with a block (4211), one end of the block (4211) is fixed, and the other end can move in a circle around fixing end.
8. automatic door-closing safety door sill according to claim 7, it is characterised in that: be provided with a use on the inside door (200)
In the mounting box (220) for installing the lower lock tongue (421), the mounting box (220) is interior to be installed with an accommodating lower lock tongue
(421) container (221), the lower lock tongue (421) connect the top of the container (221) by a spring (222).
9. automatic door-closing safety door sill according to claim 8, it is characterised in that: the block (4211) is mounted on the peace
The two sides of mounted box (220).
10. automatic door-closing safety door sill according to claim 1, it is characterised in that: the two sides of the doorframe (100) are provided with
Realize the mounting portion (500) of the automatic door-closing safety door sill installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964691.5A CN109162616A (en) | 2018-08-23 | 2018-08-23 | A kind of automatic door-closing safety door sill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964691.5A CN109162616A (en) | 2018-08-23 | 2018-08-23 | A kind of automatic door-closing safety door sill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109162616A true CN109162616A (en) | 2019-01-08 |
Family
ID=64896405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810964691.5A Pending CN109162616A (en) | 2018-08-23 | 2018-08-23 | A kind of automatic door-closing safety door sill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109162616A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409983A (en) * | 2019-08-27 | 2019-11-05 | 宁波市攸曼儿童防护用品有限公司 | Door column component and door column limit method |
| CN112177510A (en) * | 2020-09-29 | 2021-01-05 | 中山市波比儿童用品有限公司 | Intelligent door guardrail |
| US12077999B1 (en) * | 2018-11-17 | 2024-09-03 | Regalo International, Llc | Oblique slide latch apparatus |
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|---|---|---|---|---|
| DE602004024552D1 (en) * | 2003-09-11 | 2010-01-21 | Baby Dan As | SAFETY BARRIER FOR CHILDREN WITH LOCKING DEVICE |
| CN201614878U (en) * | 2010-01-16 | 2010-10-27 | 中山乐美达日用制品有限公司 | Bidirectionally openable baby safety gate |
| CN104847251A (en) * | 2015-05-25 | 2015-08-19 | 浙江丽童家居有限公司 | Automatic-closing safety fence gate with lower rotating shaft |
| CN105178829A (en) * | 2015-09-30 | 2015-12-23 | 浙江丽童家居有限公司 | Automatic safe door sill |
| CN209892059U (en) * | 2018-08-23 | 2020-01-03 | 浙江丽童家居有限公司 | Automatic safety door sill closes door |
-
2018
- 2018-08-23 CN CN201810964691.5A patent/CN109162616A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602004024552D1 (en) * | 2003-09-11 | 2010-01-21 | Baby Dan As | SAFETY BARRIER FOR CHILDREN WITH LOCKING DEVICE |
| CN201614878U (en) * | 2010-01-16 | 2010-10-27 | 中山乐美达日用制品有限公司 | Bidirectionally openable baby safety gate |
| CN104847251A (en) * | 2015-05-25 | 2015-08-19 | 浙江丽童家居有限公司 | Automatic-closing safety fence gate with lower rotating shaft |
| CN105178829A (en) * | 2015-09-30 | 2015-12-23 | 浙江丽童家居有限公司 | Automatic safe door sill |
| CN209892059U (en) * | 2018-08-23 | 2020-01-03 | 浙江丽童家居有限公司 | Automatic safety door sill closes door |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12077999B1 (en) * | 2018-11-17 | 2024-09-03 | Regalo International, Llc | Oblique slide latch apparatus |
| CN110409983A (en) * | 2019-08-27 | 2019-11-05 | 宁波市攸曼儿童防护用品有限公司 | Door column component and door column limit method |
| 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 |
| CN112177510A (en) * | 2020-09-29 | 2021-01-05 | 中山市波比儿童用品有限公司 | Intelligent door guardrail |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190108 |