CN109138797A - A kind of safe timber column - Google Patents
A kind of safe timber column Download PDFInfo
- Publication number
- CN109138797A CN109138797A CN201810964729.9A CN201810964729A CN109138797A CN 109138797 A CN109138797 A CN 109138797A CN 201810964729 A CN201810964729 A CN 201810964729A CN 109138797 A CN109138797 A CN 109138797A
- Authority
- CN
- China
- Prior art keywords
- column
- lock
- lock tongue
- elastic component
- locking mechanism
- 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
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
- 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 kind of safe timber columns.The safe timber column includes fixed device and lock uint, and lock uint includes the first locking mechanism, the second locking mechanism；First locking mechanism includes tapered end and tight lock part, tight lock part includes the first lock and the first lock housing, first lock includes the first lock tongue, the impeller to push the first lock tongue to move to the first lock housing that side is equipped with the first elastic component, and the other end of the first elastic component offsets with the first lock housing；Tapered end is step surface；Second locking mechanism includes the second lock housing, and the second lock housing is equipped with the second lock tongue；Bottom bar is equipped with lockhole.The switch on door column is realized in safe the first locking mechanism of timber column of the invention and the cooperation of the second locking mechanism, by the impeller for pushing tight lock part, impeller pushes the first lock tongue to move to lock housing, tapered end is moved in lock housing, the second lock tongue of the second locking mechanism is enabled to expose and realize the unlock on column from lockhole, it can effective pre- child-resistant oneself opening door column.
Description
Technical field
The present invention relates to gate technique field more particularly to a kind of safe timber columns.
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 knot for realizing that doorframe is sealed
Structure, general unlocking step is all too simple, and children oneself is enabled easily to open door lock, so that children can be logical from door column
It crosses and enters with certain dangerous place (such as kitchen etc.), to be damaged to children.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, the peace that a kind of structure is simple, highly-safe is proposed
Full timber column.
A kind of safe timber column of the invention, the fixation device being fixed on including Men Lan and by the side Men Lan on doorframe
With the lock uint that the other side Men Lan is locked in the doorframe, the lock uint includes the first locking mechanism, second
Locking mechanism；
First locking mechanism includes the tapered end being connected on a column and the tight lock part that matches with the tapered end, the locking
Portion includes the first lock and the first lock housing, and first lock includes that side is equipped with the first lock tongue of the first elastic component, to push away
The impeller that dynamic first lock tongue is moved to the first lock housing, the other end of first elastic component offset with first lock housing；Institute
Stating tapered end is step surface；
Second locking mechanism includes the second lock housing to accommodate the bottom bar one end on the door column, and second lock housing is equipped with
Second lock tongue；The bottom bar is equipped with the lockhole to accommodate second lock tongue.
Preferably, the impeller lower end is equipped with the second elastic component, the other end of second elastic component and described first
Stop plate in lock housing offsets.
Preferably, the bottom end of second lock tongue is equipped with third elastic component, the other end and second of the third elastic component
Lock housing bottom end inner wall offsets, and the contact surface of second lock tongue and door column bottom bar is inclined-plane.
Preferably, the fixed device includes L-shaped connecting rod, fixing seat, the fixing seat include set casing and
Deck, the first end of the connecting rod are fixed with the door column, and the second end of the connecting rod is equipped with card slot, and the deck is equipped with
For the perforative through hole of second end of the connecting rod, what the side of the deck offseted equipped with the fixed plate with the set casing
4th elastic component.
Preferably, the face that first lock tongue is in contact with impeller is inclined-plane.
Preferably, the mainboard of first lock tongue is equipped with sliding eye, and first lock is equipped with for for first lock
The sliding axle of tongue sliding, first lock tongue are equipped with the conjunction portion that hooks, and the tapered end is equipped with the limiting slot matched with the hook conjunction portion.
Preferably, the fixing seat inner wall is equipped with slide plate, and the deck outer wall is set to the sliding groove for the slide plate slides.
Preferably, the deck is equipped with the protrusion across fixing seat.
Preferably, the door column is telescopic door sill.
Preferably, the door column includes first column and second column, and the mandril and bottom bar on first column are close to solid
The one end for determining device is installed with the first sliding part with sliding slot, and the mandril and bottom bar on second column are far from fixed device
One end is installed with the second sliding part with sliding slot, so that first column can the flexible cunning in relatively described second column
It is dynamic.
The switch on door column is realized in safe the first locking mechanism of timber column of the invention and the cooperation of the second locking mechanism, by pushing away
The impeller of dynamic tight lock part, impeller push the first lock tongue to move to lock housing, tapered end are moved in lock housing, so that the
Second lock tongue of two locking mechanisms can expose from lockhole and realize the unlock on column, can effective pre- child-resistant oneself
Open door column.
Detailed description of the invention
Fig. 1 is the structural schematic diagram on safe timber column of the invention；
Fig. 2 is the structural schematic diagram of first locking mechanism on safe timber column of the invention；
Fig. 3 is the structural schematic diagram of second locking mechanism on safe timber column of the invention；
Fig. 4 is the sectional view of the fixation device on safe timber column of the invention.
10- columns；First column 11-；Second column 12-；13- mandril；14- bottom bar；141- lockhole；15- first is fixed
Part；16- sliding slot；The second fixing piece of 17-；20- fixes device；21- connecting rod；211- first end；212- second end；213- card
Slot；22- fixing seat；221- set casing；2211- fixed plate；2212- slide plate；222- deck；2221- through hole；2222- sliding
Slot；2223- protrusion；30- lock uint；The first locking mechanism of 40-；41- tapered end；411- limiting slot；42- tight lock part；421-
First lock；The first lock tongue of 4211-；4211a- mainboard；4211b- sliding eye；4211c- hooks conjunction portion；4212- impeller；4213-
Sliding axle；The first lock housing of 422-；4221- stop plate；The second locking mechanism of 50-；The second lock housing of 51-；The second lock tongue of 511-；512-
Bottom end inner wall；The first elastic component of 61-；The second elastic component of 62-；63- third elastic component；The 4th elastic component of 64-.
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.
As shown in Figure 1, 2, a kind of safe timber column 10 of the invention, including door column 10 and 10 side of door column is fixed on door
Fixation device 20 on frame and the lock uint 30 that 10 other side of door column is locked in doorframe, lock uint 30 include first sealed
Mechanism 40, the second locking mechanism 50；
First locking mechanism 40 includes the tapered end 41 being connected on a column 10 and the tight lock part 42 matched with tapered end 41, tight lock part
42 include the first lock 421 and the first lock housing 422, and the first lock 421 includes the first lock tongue that side is equipped with the first elastic component 61
4211, to the impeller 4212 for pushing the first lock tongue 4211 to move to the first lock housing 422, the other end of the first elastic component 61 with
First lock housing 422 offsets；Tapered end 41 is step surface；
As shown in figure 3, the second locking mechanism 50 includes the second lock housing 51 to accommodate 14 one end of bottom bar on column 10, the second lock
Shell 51 is equipped with the second lock tongue 511；Bottom bar 14 is equipped with the lockhole 141 to accommodate the second lock tongue 511.
10 first locking mechanism 40 of safe timber column of the invention cooperates with the second locking mechanism 50 realizes opening for door column 10
It closes, by pushing the impeller 4212 of tight lock part 42, impeller 4212 pushes the first lock tongue 4211 to move to lock housing, so that tapered end
41 can move in the first lock housing 422, and the second lock tongue 511 of the second locking mechanism 50 is exposed from lockhole 141
And the unlock on column 10 is realized, it can effective pre- child-resistant oneself opening door column 10.
As shown in Fig. 2, 4212 lower end of impeller can be equipped with the second elastic component 62, the other end of the second elastic component 62 and the
Stop plate 4221 in one lock housing 422 offsets, and when pushing impeller 4212, impeller 4212 is moved to the direction that power acts on,
Impeller 4212 pushes the first lock tongue 4211 to move to the first lock housing 422, since tapered end 41 is step surface, allows for 41 energy of tapered end
It is enough to be moved in the first lock housing 422, and when unclamping impeller 4212, under the action of the second elastic component 62, impeller 4212
It can reset.The material of second elastic component 62, structure can there are many, herein without limitation, in the present embodiment, the second bullet
Property part 62 can be spring, one end of spring is connect with 4212 lower end of impeller, in the other end of spring and the first lock housing 422
Stop plate 4221 offsets.
The face that first lock tongue 4211 is in contact with impeller 4212 can be inclined-plane or curved surface, push down on impeller
4212, impeller 4212 is contacted with the first lock tongue 4211, and impeller 4212 is acted on the first lock tongue 4211 for inclined-plane by contact surface
On power resolve into the power of many aspects, dynamic first lock tongue 4211 of pushing of one aspect moves to the first lock housing 422, makes
It obtains the first lock tongue 4211 and solves lock 41, tapered end 41 is moved in the first lock housing 422, and unclamping impeller 4212
After, the power on the first lock tongue 4211 is acted on without first lock tongue 4211 resets under the action of the first elastic component 61.
The mainboard 4211a of first lock tongue 4211 can be equipped with sliding eye 4211b, and the first lock 421 is equipped with for supplying first
The sliding axle 4213 that lock tongue 4211 slides, so that the effect in the first lock tongue 4211 by impeller 4212 or the first elastic component 61
It, can be by sliding eye 4211b along 4213 back and forth movement of sliding axle when power.
It can be equipped on first lock tongue 4211 and hook conjunction portion 4211c, can be equipped with and hook 4211c cooperation in conjunction portion on tapered end 41
Limiting slot 411, when needing to close door column 10, tapered end 41 is inserted into the first lock housing 422, the hook conjunction portion of the first lock tongue 4211
4211c catches on limiting slot 411, so that the first lock tongue 4211 and tapered end 41 are sealed.
There are many structures of second lock tongue 511, herein without limitation, in a kind of mode that may be implemented, the second lock
Tongue 511 can be the protrusion block being arranged on the upper plate of the second lock housing 51, and sealed door column can also be played by being inserted into lockhole 141
10 effect, when opening, tapered end 41 is step surface, is lifted up, so that protrusion block exposes from lockhole 141, and makes the
The unlock of two locking mechanisms 50, is lifted up, so that protrusion block is inserted into lockhole 141 when closing door column 10, then by door column 10
In.
In the present embodiment, the bottom end of the second lock tongue 511 can be equipped with third elastic component 63, third elastic component 63 it is another
End can offset with 51 bottom end inner wall 512 of the second lock housing, and the contact surface of the second lock tongue 511 and 10 bottom bar 14 of door column is inclined-plane.The
The process of two locking mechanisms 50 unlock is identical as above-mentioned achievable mode, and does not need then to lift door again when closing door column 10
The bottom bar 14 on door column 10 is directly inserted into the second lock housing 51 by column 10, and the bottom bar 14 on door column 10 and the inclined-plane of the second lock tongue 511 connect
Touching, gives the second lock tongue 511 1 downward active forces, and the second lock tongue 511 oppresses third elastic component 63, when the second lock tongue 511
When being inserted into lockhole 141, third elastic component 63 gives the second lock tongue 511 1 opposite effect power, so that the second lock tongue 511 is multiple
Position.Second locking mechanism 50 is sealed, and this avoid need again to be lifted up door column 10 when turning off column 10.In this reality
It applies in example, third elastic component 63 can be spring, and one end of spring is connect with the second sealed lower end, the other end of spring and second
51 bottom end inner wall 512 of lock housing offsets.
As shown in figure 4, fixed device 20 may include L-shaped connecting rod 21, fixing seat 22, fixing seat 22 includes card
Seat 222 and set casing 221, the first end 211 and door column 10 of connecting rod 21 are fixed, and the second end 212 of connecting rod 21 is equipped with card slot
213, deck 222 is equipped with for the perforative through hole 2221 of 21 second end of connecting rod 212, and the side of deck 222 is equipped with and set casing
The 4th elastic component 64 that 221 fixed plate 2211 offsets.In order to enable door can be opened to greatest extent, door column 10 can be driven
Connecting rod 21 is rotated in accommodation groove, so that door is opened to side.Wherein fixed plate 2211 is fixed by screws on doorframe.At this
In embodiment, the 4th elastic component 64 can be spring, and one end of spring connect with 222 side of deck, the other end of spring with consolidate
2211 inner wall of fixed board offsets.
221 inner wall of set casing can be equipped with slide plate 2212, and 222 outer wall of deck is set to the sliding groove slided for slide plate 2212
2222.So that deck 222 can be slided with relatively fixed shell 221, deck 222 can be equipped with the protrusion across set casing 221
2223.Deck 222 blocks the card slot 213 of connecting rod 21, realizes locking, and connecting rod 21 can be taken out by pressing protrusion 2223,
Facilitate the installation and removal on column 10.
Door column 10 can be telescopic door sill 10.There are many structures of telescopic door sill 10, herein without limitation, at this
In embodiment, door column 10 may include first column 11 and second column 12, and the mandril 13 and bottom bar 14 on first column 11 are close
One end of fixed device 20 is installed with the first fixing piece 15 with sliding slot 16, and the mandril 13 and bottom bar 14 on second column 12 are separate
One end of fixed device 20 is installed with the second fixing piece 17 with sliding slot 16, so that first column 11 can be with respect to second
12 telescopic slide of column.
It is not directed to place above, is suitable for the prior art.
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 safe timber column is fixed on the fixation device on doorframe including door column (10) and by door column (10) side
(20) and by door column (10) other side it is locked in the lock uint (30) of doorframe, it is characterised in that: the lock uint
It (30) include the first locking mechanism (40), the second locking mechanism (50)；
First locking mechanism (40) includes the tapered end (41) being connected on a column (10) and matches with the tapered end (41)
Tight lock part (42), the tight lock part (42) include the first lock (421) and the first lock housing (422), first lock (421)
First lock tongue (4211) of the first elastic component (61) is equipped with, to push the first lock tongue (4211) to the first lock housing including side
(422) impeller (4212) moved, the other end of first elastic component (61) offset with first lock housing (422)；Institute
Stating tapered end (41) is step surface；
Second locking mechanism (50) includes the second lock housing (51) to accommodate bottom bar (14) one end of the door column (10),
Second lock housing (51) is equipped with the second lock tongue (511)；The bottom bar (14) is equipped with to accommodate second lock tongue (511)
Lockhole (141).
2. a kind of safe timber column as described in claim 1, it is characterised in that: impeller (4212) lower end is equipped with second
Elastic component (62), the other end of second elastic component (62) offset with the stop plate (4221) in first lock housing (422).
3. a kind of safe timber column as described in claim 1, it is characterised in that: the bottom end of second lock tongue (511) is equipped with
Third elastic component (63), the other end and the second lock housing (51) the bottom end inner wall (512) of the third elastic component (63) offset, described
Second lock tongue (511) and the contact surface of door column (10) bottom bar (14) are inclined-plane.
4. a kind of safe timber column as described in claim 1, it is characterised in that: the fixed device (20) includes L-shaped
Connecting rod (21), fixing seat (22), the fixing seat (22) includes set casing (221) and deck (222), the connecting rod
(21) first end (211) and the door column (10) is fixed, and the second end (212) of the connecting rod (21) is equipped with card slot (213),
The deck (222) is equipped with second end (212) perforative through hole (2221) for the connecting rod (21), the deck
(222) side is equipped with the 4th elastic component (64) to offset with the fixed plate (2211) of the set casing (221).
5. a kind of safe timber column as described in claim 1, it is characterised in that: first lock tongue (4211) and impeller
(4212) face being in contact is inclined-plane.
6. a kind of safe timber column as claimed in claim 5, it is characterised in that: the mainboard of first lock tongue (4211)
(4211a) is equipped with sliding eye (4211b), and first lock (421) is equipped with for for first lock tongue (4211) sliding
Sliding axle (4213), first lock tongue (4211), which is equipped with, hooks conjunction portion (4211c), and the tapered end (41) is equipped with and the hook conjunction portion
The limiting slot (411) that (4211c) is matched.
7. a kind of safe timber column as claimed in claim 4, it is characterised in that: set casing (221) inner wall is equipped with slide plate
(2212), deck (222) outer wall is set to the sliding groove (2222) for the slide plate (2212) sliding.
8. a kind of safe timber column as claimed in claim 7, it is characterised in that: the deck (222) is equipped with across set casing
(221) protrusion (2223) of foreboard.
9. a kind of safe timber column as described in claim 1, it is characterised in that: the door column (10) is telescopic door sill.
10. a kind of safe timber column as claimed in claim 9, it is characterised in that: the door column (10) includes first column
(11) and second column (12), the one end of the mandril (13) and bottom bar (14) of first column (11) close to fixed device (20)
It is installed with the first fixing piece (15) with sliding slot (16), the mandril (13) and bottom bar (14) of second column (12) are far from solid
The one end for determining device (20) is installed with the second fixing piece (17) with sliding slot (16), so that first column (11) can be with
Relatively described second column (12) telescopic slide.
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 true CN109138797A (en) | 2019-01-04 |
| CN109138797B CN109138797B (en) | 2023-08-29 |
Family
ID=64791299
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 |
|---|---|
| CN (1) | CN109138797B (en) |
Cited By (2)
| 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 |
| 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 |
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 Group 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 Group 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 |
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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109138797B (en) | 2023-08-29 |
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