CN110101253A - A kind of locking mechanism - Google Patents
A kind of locking mechanism Download PDFInfo
- Publication number
- CN110101253A CN110101253A CN201910367567.5A CN201910367567A CN110101253A CN 110101253 A CN110101253 A CN 110101253A CN 201910367567 A CN201910367567 A CN 201910367567A CN 110101253 A CN110101253 A CN 110101253A
- Authority
- CN
- China
- Prior art keywords
- connecting shaft
- reset
- rotatable lamella
- locking
- locking assembly
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 241000446313 Lamella Species 0.000 claims description 85
- 238000000034 method Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
- A47D13/02—Baby-carriers; Carry-cots
- A47D13/025—Baby-carriers; Carry-cots for carrying children in seated position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a kind of locking mechanisms comprising fixing seat, hand basket, release knob, preceding locking assembly and rear locking assembly；The rear and front end of the release knob is movably connected with preceding locking assembly and rear locking assembly respectively；Preceding connecting shaft and rear connecting shaft are provided on the hand basket；The preceding locking assembly and rear locking assembly for locking preceding connecting shaft and rear connecting shaft respectively；The release knob, which is swung, makes preceding locking assembly and rear locking position is in the lock state or unlocked state.The present invention is provided with preceding locking assembly, rear locking assembly and release knob, release knob is movably connected with preceding locking assembly, rear locking assembly, by swinging release knob so that preceding locking assembly, the lock state of rear locking assembly and unlocked state synchronism switching, improve the stability of synchronization of preceding locking assembly, rear locking assembly.
Description
Technical field
The present invention relates to infant carrier technical field more particularly to a kind of locking mechanisms.
Background technique
Nowadays child safety seat is well-known, there is split type child safety seat and monoblock type children on open market
Safety seat, for split type child safety seat since bottom back can separate, independent product weight is lighter, and it is excellent to be easily installed operation etc.
Point becomes more and more popular at present.
Currently, existing hand basket has preceding connecting shaft and rear connecting shaft, by preceding locking assembly and rear locking assembly to mentioning
Basket lock-bit locks preceding connecting shaft and rear connecting shaft and unstable by preceding locking assembly and rear locking assembly, meanwhile, pass through switch
It controls the unlocked state and lock state synchronism switching of preceding locking assembly and rear locking assembly, is easy to appear malfunctioning switch and same
Walk unsuccessful state.
Summary of the invention
For the above-mentioned deficiency of the prior art, technical problem to be solved by the present invention lies in, propose a kind of locking mechanism,
Unlocked state and lock state synchronism switching for solving to be controlled preceding locking assembly and rear locking assembly using switch, are easy
There is malfunctioning switch and synchronous unsuccessful problem.
The technical solution used to solve the technical problems of the present invention is that a kind of locking mechanism, which is characterized in that including fixation
Seat, hand basket, release knob, preceding locking assembly and rear locking assembly；It is described release knob rear and front end respectively with preceding lock-bit group
Part and rear locking assembly are movably connected；Preceding connecting shaft and rear connecting shaft are provided on the hand basket；The preceding locking assembly is with after
Locking assembly for locking preceding connecting shaft and rear connecting shaft respectively；The release knob is for driving preceding locking assembly and rear lock-bit
Part is in the lock state or unlocked state.
Preferably, the preceding locking assembly and rear locking assembly include at least two locking positions, the preceding connecting shaft
Both ends are respectively by two locking position lockings in preceding locking assembly；The both ends of connecting shaft are respectively by two in rear locking assembly after described
Locking position locking.
Preferably, the locking position includes support frame, the first reset rotatable lamella and the second reset rotatable lamella；Support frame as described above
It is provided with lock-bit open slot, the first reset rotatable lamella, the second reset rotatable lamella are articulated on support frame as described above；Wherein,
When the locking position locks the preceding connecting shaft or rear connecting shaft, the preceding connecting shaft or rear connecting shaft protrude into lock-bit open slot
In, the first reset rotatable lamella resists the reset force leaned to one side and had up under the preceding connecting shaft or rear connecting shaft, institute
State the second reset rotatable lamella resist the preceding connecting shaft or rear connecting shaft on lean to one side and there is reset force down.
Preferably, the first reset rotatable lamella and the second reset rotatable lamella are movably connected, and described first resets rotatable lamella
Equipped with the first articulated shaft and first sliding groove, first articulated shaft is arranged on support frame as described above, and described second resets rotatable lamella
Equipped with the second articulated shaft, second articulated shaft is arranged on support frame as described above, and second articulated shaft also extends through described first
Sliding slot.
Preferably, the first reset rotatable lamella, which is equipped with, covers the torsional spring on first articulated shaft, at the locking position
Under lock state, the torsional spring provides reset force for the first reset rotatable lamella.
Preferably, the second reset rotatable lamella is equipped with the first spring being connected with support frame, and the locking position is in solution
Under lock status, first spring provides reset force for the second reset rotatable lamella.
Preferably, support frame as described above includes the first support plate and the second support plate, first support plate, the second support plate
The lock-bit open slot is offered, the first reset rotatable lamella and the second reset rotatable lamella are in first support plate
And second between support plate.
Preferably, described second resets rotatable lamella equipped with hook portion, and for locking position in lock state, the hook portion is for resisting
Preceding connecting shaft or rear connecting shaft.
Preferably, the two sides of the front end of the release knob are living with two second reset rotatable lamellas in preceding locking assembly respectively
Dynamic to be connected, the two sides of the rear end of the release knob are movably connected with two second reset rotatable lamellas in preceding locking assembly respectively.
Preferably, support frame as described above further includes connecting plate, and the connecting plate is in the first support plate and the second support plate
Lower end simultaneously connects first support plate and the second support plate.
The present invention is provided with preceding locking assembly, rear locking assembly and release knob, release knob and preceding locking assembly, rear lock
Hyte part is movably connected, by swinging release knob so that preceding locking assembly, the lock state of rear locking assembly and unlocked state
Synchronism switching improves the stability of synchronization of preceding locking assembly, rear locking assembly.
Detailed description of the invention
Fig. 1 is the schematic perspective view of locking mechanism in embodiment.
Fig. 2 is the top view of locking mechanism in embodiment.
Fig. 3 is the side view of locking mechanism in embodiment.
Fig. 4 is the topology view that the locking mechanism of the support frame in a locking position is removed in embodiment.
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.
Fig. 1-Fig. 4 is please referred to, the invention discloses a kind of locking mechanisms, including fixing seat 100, hand basket 200, release knob
300, preceding locking assembly 400 and rear locking assembly 500；It is described release knob 300 rear and front end respectively with preceding locking assembly 400
It is movably connected with rear locking assembly 500；Preceding connecting shaft 210 and rear connecting shaft 220 are provided on the hand basket 200；Lock before described
Hyte part 400 and rear locking assembly 500 for locking preceding connecting shaft 210 and rear connecting shaft 220 respectively；The release knob 300
Swing makes preceding locking assembly 400 and rear locking position 600 is in the lock state or unlocked state.The locking mechanism is used to be hand basket
200 lock-bits, the hand basket 200 can be safety seat；It is locked especially by preceding locking assembly 400 and rear locking assembly 500 described
Preceding connecting shaft 210 and rear connecting shaft 220 in hand basket 200, the position of hand basket 200 is locked with this.
By pulling the state of 300 switching locking mechanism locking and unlocking of release knob to pull forward in this embodiment
Dynamic release knob 300, the release knob 300 drive preceding locking assembly 400 and rear locking assembly 500, the preceding locking assembly
400 and rear locking assembly 500 switch to unlocked state from lock state；The preceding locking assembly 400 and rear locking assembly 500
Can be self-locking, in its natural state (the release knob 300 is not pulled by external force), the preceding locking assembly 400 and rear lock-bit
Component 500 is in the lock state, and preceding locking assembly 400 and rear locking assembly 500 in the unlocked state when, also all have self-locking
Trend.
The preceding locking assembly 400 and rear locking assembly 500 include at least two locking positions 600, the preceding connecting shaft
210 both ends are locked by two locking positions 600 in preceding locking assembly 400 respectively；The both ends of connecting shaft 220 are respectively by rear after described
Two locking positions 600 lock in locking assembly 500.
In this embodiment, the preceding locking assembly 400 and the rear locking assembly 500 all have two locking positions
600, the both ends of connecting shaft 210 before two locking positions 600 in the preceding locking assembly 400 are used to lock, it is described after lock-bit group
The both ends of connecting shaft 220 after two locking positions 600 in part 500 are used to lock；Specifically, 400 He of preceding locking assembly
Locking assembly 500 also acts as the effect for supporting the hand basket 200 afterwards.
The locking position 600 includes that support frame 610, first resets rotatable lamella 620 and the second reset rotatable lamella 630；It is described
Support frame 610 is provided with lock-bit open slot 611, and the first reset rotatable lamella 620, second resets rotatable lamella 630 and is articulated with
On support frame as described above 610；Wherein, when the locking position 600 locks the preceding connecting shaft 210 or rear connecting shaft 220, connect before described
Spindle 210 or rear connecting shaft 220 protrude into lock-bit open slot 611, and the first reset rotatable lamella 620 resists the preceding connecting shaft
210 or rear connecting shaft 220 under lean to one side and there is reset force up, the second reset rotatable lamella 630 resist it is described before connect
It leans to one side in spindle 210 or afterwards connecting shaft 220 and there is reset force down.
Specifically, in the locked state, first resets rotatable lamella 620 and second resets the folder of rotatable lamella 630 to locking position 600
Connecting shaft 210 or rear connecting shaft 220 before residence is stated；Described first, which resets rotatable lamella 620 and second, resets rotatable lamella 630 with folder
The pretightning force of connecting shaft 220 after preceding connecting shaft 210 or folder；The preceding connecting shaft 210 or rear connecting shaft 220 are in lock-bit open slot
In 611, it is described first reset rotatable lamella 620 and second reset rotatable lamella 630 and lock-bit open slot 611 cooperate with limit it is described before
The position of connecting shaft 210 or rear connecting shaft 220；
Locking position 600 is from the process for locking state to unlocked state: rotating the second reset rotatable lamella 630, rotation direction
(being to rotate clockwise in this embodiment) contrary with its reset force in the locked state, described second is multiple
Position rotatable lamella 630 is to rotate clockwise, and first resets rotatable lamella 620 because reset force resets, and locking position 600 has just switched to unlock
State.
Locking position 600 is switched to the process of lock state from unlocked state, by the preceding connecting shaft 210 of hand basket 200 or after connect
Spindle 220 is placed in lock-bit open slot 611, and pushes preceding connecting shaft 210 or rear connecting shaft 220, and the first reset is driven to rotate
Piece 620 rotates (in this embodiment, to rotate clockwise), and the second reset rotatable lamella 630 resets naturally, and described second
It resets rotatable lamella 630 to be just pressed in down in preceding connecting shaft 210 or rear connecting shaft 220, so that the first reset rotatable lamella 620 and second is answered
Position rotatable lamella 630 clamps the preceding connecting shaft 210 or rear connecting shaft 220, and the first reset rotatable lamella 620 and second is resetted
Rotatable lamella 630 has pretightning force.
The first reset rotatable lamella 620 and the second reset rotatable lamella 630 are movably connected, and described first resets rotatable lamella
620 are equipped with the first articulated shaft 621 and first sliding groove 622, and first articulated shaft 621 is arranged on support frame as described above 610, described
Second, which resets rotatable lamella 630, is equipped with the second articulated shaft 631, and second articulated shaft 631 is arranged on support frame as described above 610, institute
It states the second articulated shaft 631 and also extends through the first sliding groove 622.
In this embodiment, opposite turn can occur for the first reset rotatable lamella 620 and the second reset rotatable lamella 630
Dynamic, the described first rotation for resetting rotatable lamella 620 is limited in a certain range by the second articulated shaft 631, the first sliding groove 622
Arc length be the first reset rotatable lamella 620 rotary range.
The first reset rotatable lamella 620, which is equipped with, covers the torsional spring 623 on first articulated shaft 621, the locking position
Under 600 is in the unlocked state, the torsional spring 623 is that the first reset rotatable lamella 620 provides reset force, in this embodiment
In, the reset force of the first reset rotatable lamella 620 is provided by the torsional spring 623, by preceding connecting shaft 210 or rear connecting shaft
220 when being placed in the lock-bit open slot 611, can push the first reset rotatable lamella 620, and torsional spring 623 deforms at this time, locking position
600 when unlocked, and torsional spring 623 is that the first reset rotatable lamella 620 provides reset force.
The second reset rotatable lamella 630 is equipped with the first spring 632 for being connected with support frame 610, at the locking position 600
Under unlocked state, first spring 632 is that the second reset rotatable lamella 630 provides reset force.The locking position 600 is unlocking
Under state, the first spring 632 is in tensional state, and the first spring 632 has pull the second reset rotatable lamella 630 to reset to become
Gesture, in the locked state, first spring 632 still has pulls the second trend for resetting rotatable lamella 630 to the locking position 600
To clamp preceding connecting shaft 210 or rear connecting shaft 220, at this point, the first spring 632, which improves, locks preceding connecting shaft 210 or rear connecting shaft
220 pretightning force.
Support frame as described above 610 includes the first support plate 612 and the second support plate 613, first support plate 612, second
Support plate 613 offers the lock-bit open slot 611, and described first, which resets rotatable lamella 620 and second, resets rotatable lamella 630
Between first support plate 612 and the second support plate 613.
Described second, which resets rotatable lamella 630, is equipped with hook portion 633, and locking position 600 in lock state, use by the hook portion 633
Connecting shaft 210 or rear connecting shaft 220 before resisting, specifically, in the locked state, the hook portion 633 is located at locking position 600
The opening of lock-bit open slot 611 forms enclosed slot with the lock-bit open slot 611, play before locking connecting shaft 210 or after connect
The effect of spindle 220.
It is described release knob 300 front end two sides respectively with two second reset rotatable lamellas 630 in preceding locking assembly 400
Be movably connected, it is described release knob 300 rear end two sides respectively with two second reset rotatable lamellas in preceding locking assembly 400
630 are movably connected.In this embodiment, when the locking position 600 in front end is in the lock state, the locking position in front end
600 is in the unlocked state, and the locking position 600 in rear end is also at unlocked state, in this embodiment, the release knob
300 are connected by second spring 310 with the support frame 610 of the locking position 600.
Support frame as described above 610 further includes connecting plate 614, and the connecting plate 614 is in the first support plate 612 and the second support
The lower end of plate 613 simultaneously connects first support plate 612 and the second support plate 613.
The locking mechanism further includes instruction switch block 700, and the instruction switch block 700 and release knob 300 are hinged, institute
When stating release 300 movement of knob, the instruction switch block 700 is rotated, and is coated two different colors in instruction switch block 700, is passed through
Two different colors indicate the unlocked state and lock state of locking mechanism.
The process of hand basket 200 is locked by locking mechanism, lock-bit group before pushing release knob 300, release knob 300 to drive
Second in part 400 and rear locking assembly 500, which resets rotatable lamella 630, rotates, and first spring 632 extends, and described second is multiple
The hook portion 633 of position rotatable lamella 630 is removed near lock-bit open slot 611, by the preceding connecting shaft 210 and rear connecting shaft of hand basket 200
220 are respectively placed in preceding locking assembly 400, in the lock-bit open slot 611 in rear locking assembly 500, when unclamping release knob 300,
First spring 632, which resets, pulls second to reset the reset of rotatable lamella 630, meanwhile, second spring 310 resets release knob 300,
When handle return, drives second to reset the rotation of rotatable lamella 630 and reset, to achieve the purpose that lock the position of hand basket 200.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of locking mechanism, which is characterized in that including fixing seat, hand basket, release knob, preceding locking assembly and rear lock-bit group
Part；The rear and front end of the release knob is movably connected with preceding locking assembly and rear locking assembly respectively；It is arranged on the hand basket
There are preceding connecting shaft and rear connecting shaft；The preceding locking assembly and rear locking assembly for locking preceding connecting shaft and rear connection respectively
Axis；Release knob is for driving preceding locking assembly and rear locking position is in the lock state or unlocked state.
2. a kind of locking mechanism according to claim 1, it is characterised in that: the preceding locking assembly and rear locking assembly are equal
Including at least two locking positions, the both ends of the preceding connecting shaft are respectively by two locking position lockings in preceding locking assembly；After described
The both ends of connecting shaft are respectively by two locking position lockings in rear locking assembly.
3. a kind of locking mechanism according to claim 2, it is characterised in that: the locking position includes support frame, first multiple
Position rotatable lamella and second resets rotatable lamella；Support frame as described above is provided with lock-bit open slot, and the first reset rotatable lamella, second are answered
Position rotatable lamella is articulated on support frame as described above；Wherein, it is described when the locking position locks the preceding connecting shaft or rear connecting shaft
Preceding connecting shaft or rear connecting shaft protrude into lock-bit open slot, and the first reset rotatable lamella resists the preceding connecting shaft or rear connection
It leans to one side under axis and there is reset force up, the second reset rotatable lamella resists the upper of the preceding connecting shaft or rear connecting shaft
It leans to one side.
4. a kind of locking mechanism according to claim 3, it is characterised in that: described first, which resets rotatable lamella and second, resets
Rotatable lamella is movably connected, and described first, which resets rotatable lamella, is equipped with the first articulated shaft and first sliding groove, and first articulated shaft is worn
In on support frame as described above, described second resets rotatable lamella equipped with the second articulated shaft, and second articulated shaft is arranged in the support
On frame, second articulated shaft also extends through the first sliding groove.
5. a kind of locking mechanism according to claim 3, it is characterised in that: the first reset rotatable lamella, which is equipped with, to be covered in institute
The torsional spring on the first articulated shaft is stated, the locking position is in the lock state down, and the torsional spring is that the first reset rotatable lamella mentions
For reset force.
6. a kind of locking mechanism according to claim 3 or 5, it is characterised in that: it is described second reset rotatable lamella be equipped with
The first connected spring of support frame, under the locking position is in the unlocked state, first spring is that the second reset rotatable lamella mentions
For reset force.
7. a kind of locking mechanism according to claim 3, it is characterised in that: support frame as described above includes the first support plate and the
Two support plates, first support plate, the second support plate offer the lock-bit open slot, described first reset rotatable lamella and
Second reset rotatable lamella is between first support plate and the second support plate.
8. a kind of locking mechanism according to claim 6, it is characterised in that: described second, which resets rotatable lamella, is equipped with hook portion,
For locking position in lock state, the hook portion is for resisting preceding connecting shaft or rear connecting shaft.
9. a kind of locking mechanism according to claim 8, it is characterised in that: the two sides difference of the front end of the release knob
Be movably connected with two second reset rotatable lamellas in preceding locking assembly, it is described release knob rear end two sides respectively with preceding lock-bit
Two second reset rotatable lamellas are movably connected in component.
10. a kind of locking mechanism according to claim 7, it is characterised in that: support frame as described above further includes connecting plate, described
Connecting plate is in the lower end of the first support plate and the second support plate and connects first support plate and the second support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910367567.5A CN110101253B (en) | 2019-05-05 | 2019-05-05 | Locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910367567.5A CN110101253B (en) | 2019-05-05 | 2019-05-05 | Locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110101253A true CN110101253A (en) | 2019-08-09 |
| CN110101253B CN110101253B (en) | 2024-04-30 |
Family
ID=67488099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910367567.5A Active CN110101253B (en) | 2019-05-05 | 2019-05-05 | Locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110101253B (en) |
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| DE102011101966A1 (en) * | 2011-05-18 | 2012-11-22 | Vaude Sport Gmbh & Co. Kg | Backpack used by children during hiking or mountaineering, has stand frame that cooperates with spring-locking unit which locks the stand in one position by locking element and having a trigger which releases upon actuation of frame |
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| CN103818276A (en) * | 2014-01-22 | 2014-05-28 | 宁波环球娃娃婴童用品有限公司 | Front capturing mechanism on base plate of child safety chair |
| CN204279150U (en) * | 2014-11-21 | 2015-04-22 | 明门(中国)幼童用品有限公司 | Coupling assembling and there is the children car seat of this assembly |
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| JP3218479U (en) * | 2017-08-03 | 2018-10-18 | 寧波宝貝第一母嬰用品有限公司 | Child seat with connecting device |
| CN208491637U (en) * | 2017-06-09 | 2019-02-15 | 杨振辉 | The flexible positioning of switching regulator, gravity are closed self-locking wind-proof hanger |
| CN210276619U (en) * | 2019-05-05 | 2020-04-10 | 宁波环球娃娃婴童用品股份有限公司 | Locking mechanism |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004321234A (en) * | 2003-04-21 | 2004-11-18 | Combi Corp | Child seat |
| JP2011042959A (en) * | 2009-08-20 | 2011-03-03 | Toyota Boshoku Corp | Lock device |
| CN102180112A (en) * | 2011-04-21 | 2011-09-14 | 镇江佳峰儿童用品有限公司(外资) | Automobile children safety seat body and base multipoint locking structure |
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| CN103818276A (en) * | 2014-01-22 | 2014-05-28 | 宁波环球娃娃婴童用品有限公司 | Front capturing mechanism on base plate of child safety chair |
| CN204279150U (en) * | 2014-11-21 | 2015-04-22 | 明门(中国)幼童用品有限公司 | Coupling assembling and there is the children car seat of this assembly |
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| CN204736727U (en) * | 2015-05-28 | 2015-11-04 | 麦克英孚(宁波)婴童用品有限公司 | A latch mechanism is released to pothook for safe seat |
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| CN208491637U (en) * | 2017-06-09 | 2019-02-15 | 杨振辉 | The flexible positioning of switching regulator, gravity are closed self-locking wind-proof hanger |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110101253B (en) | 2024-04-30 |
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