CN106377116A - Folding structure for guard bar of game bed - Google Patents
Folding structure for guard bar of game bed Download PDFInfo
- Publication number
- CN106377116A CN106377116A CN201611018499.4A CN201611018499A CN106377116A CN 106377116 A CN106377116 A CN 106377116A CN 201611018499 A CN201611018499 A CN 201611018499A CN 106377116 A CN106377116 A CN 106377116A
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- CN
- China
- Prior art keywords
- aforementioned
- foldable structure
- activity template
- guard bar
- bar
- Prior art date
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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
- A47D13/06—Children's play- pens
- A47D13/061—Children's play- pens foldable
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D7/00—Children's beds
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- Toys (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to a folding structure for a guard bar of a game bed. The folding structure comprises a shell, a support plate, a left guard bar, a first moveable plate, a first swinging clamp plate, a first swinging plate, a first magnet, a second moveable plate, a second swinging clamp plate and a second swinging plate. The folding structure is characterized in that the middle part of the first moveable plate is rotatably arranged on the support plate through a first lever shaft, and a first support shaft is arranged on the first moveable plate; when the folding structure is in a locked state, the outer side of the first swinging plate is butted against the first support shaft; when the folding structure is unlocked, the first moveable plate is driven to rotate around the first lever shaft by the first swinging plate; and when the folding structure is in an unlocked state, the first swinging plate is separated from the first support shaft. Compared with the prior art, the folding structure has the advantages that the driving power for unlocking is obviously reduced, and thus the manufacturing cost is reduced.
Description
Technical field
The present invention relates to the guard bar structure of a kind of play yard for entertainment for children, more particularly, to play yard.
Background technology
At present, child play bed has inflation or folding, the recreational bed insufficient strength of inflation, rocks dangerous, folds
Structure generally more complicated, troublesome poeration, child play bed to be realized easily folds and launches, and needs a kind of novel folding
Stack structure is applied to child play bed.
For this reason, technical staff has made a lot of effort, the Chinese utility model of such as Patent No. ZL201320434899.9 is special
Profit《A kind of child entertainment bed folding crossbeam joint》(Authorization Notice No. be CN203354119U), this patent include the first Half Beam and
Hinged with the first Half Beam and the second Half Beam respectively crossbeam connector of second Half Beam and two ends, crossbeam connector is fixed with platform
Rank deck, step deck both sides are provided with kayser step, the first Half Beam and the second Half Beam are respectively articulated with energy kayser described
Kayser block on kayser step, kayser block is connected with crossbeam drawstring, between kayser block and the first described Half Beam and the second Half Beam
It is respectively equipped with top pressure torsion spring.This patent can be by the child entertainment bed folding crossbeam joint folding drawstring Foldable.Although behaviour
Make to bring great convenience above, but foldable structure is complicated, part is many, production cost is high；Foldable structure stability is relatively simultaneously
Low, not, there is potential safety hazard in fixing fastness.
As improvement, the applicant discloses one kind《The fold mechanism of play yard guard bar》(Publication No.
CN104545130A Chinese invention patent application) is open, sees Application No. 201410857407.6.Pass through shield in this application
Bar, the quadric chain of activity template, swing intermediate plate and swing piece realize fast folding and expansion.Guard bar locks after launching and unlocks
It does not interfere with each other, flexible operation is laborsaving.But folded mechanism structure or complex, part is many, will to Product Precision in manufacture process
Ask higher, flexible not enough because of the resistance of spring when unlocking again.
On this basis, disclose one kind again《The folding device of play yard guard bar》(publication number：CN104799624A)
Chinese invention patent application is open, sees Application No. 201510243167.5, and this application resets and locking adopts magnet arrangement, magnetic
Ferrum can adsorb activity template and play quickening reset speed, reduces the effect firmly that resets, and after guard bar is fully deployed, Magnet
Persistently activity template can be adsorbed, prevent activity template from moving again, play the effect that locking guard bar improves folding device stability.Unblock
When be swift in motion, as long as that is, unlock when depart from Magnet just there is no resistance, so can moment unblock.
Chinese invention patent application referring again to Application No. 201610297474.6 is open《Play yard guard bar folds knot
Structure》(application publication number is CN105768705A), this application has been made to internal structure to improve, thus having prevented false lock, can
To avoid the security incident causing because of false lock.
But when unlocking in document disclosed above, need larger driving force could unlock, unblock is still relatively harder, need
Make great efforts to make improvement.
Content of the invention
The technical problem to be solved is the game providing a kind of unblock light and handy for the above-mentioned state of the art
Bed guard bar foldable structure.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：A kind of play yard guard bar foldable structure, including
Housing, has left port and right output port；
Support chip, is fixed on the medial wall of aforementioned housing；
Left guard bar, the left port of aforementioned housing is stretched in one end and bottom is rotated with aforementioned support chip and is connected；
First activity template, middle part can be rotatably arranged on aforementioned support chip and right-hand member has the first butting section, this first work
Moving plate is made using permeability magnetic material；
First swing intermediate plate, one end is flexibly connected with aforementioned left guard bar, and the left end of the other end and aforementioned first activity template is lived
It is dynamically connected；
First Magnet, located at the left side of aforementioned enclosure interior；
Motion bar, can be up or down located at aforementioned housing central section；
First swing piece, the bottom positioned at the left side is flexibly connected with the right-hand member of aforementioned first activity template, positioned at the height on the right
End is flexibly connected with aforementioned active bar；
Right guard bar, the right output port of aforementioned housing is stretched in one end and bottom is rotated with aforementioned support chip and is connected；
Second activity template, middle part can be rotatably arranged on aforementioned support chip and left end has the second butting section, this second work
Moving plate is made using permeability magnetic material；
Second swing intermediate plate, one end is flexibly connected with aforementioned right guard bar, and the right-hand member of the other end and aforementioned second activity template is lived
It is dynamically connected；
Second Magnet, located at the right side of aforementioned enclosure interior；And
Second swing piece, the bottom positioned at the right is flexibly connected with the left end of aforementioned second activity template, positioned at the height on the left side
End is flexibly connected with aforementioned active bar；
Under aforementioned foldable structure lock-out state, the first butting section of aforementioned first activity template is offseted with the first Magnet and obtains
Spacing, the second butting section of aforementioned second activity template and the second Magnet offset and obtain spacing it is characterised in that described first lives
Can be rotatably arranged on support chip by one first lever shaft in the middle part of moving plate, the first described activity template is provided with one first fulcrum；
Described foldable structure is in the lock state down, offsets with aforementioned first fulcrum outside described first swing piece；Described foldable structure
During unblock, described first swings piece drives the first activity template to rotate around the first lever shaft together, after rotating moment, the first swing piece
At once depart from the first fulcrum；Described foldable structure is under released state, and described first swings piece departs from aforementioned first fulcrum.
Preferably, can be rotatably arranged on support chip by one second lever shaft in the middle part of described second activity template, described
The second activity template be provided with one second fulcrum；Described foldable structure is in the lock state down, described second swing piece outside with front
State the second fulcrum to offset；During described foldable structure unblock, described second swings piece drives the second activity template together around the second lever
Axle rotates, and after rotating moment, the second swing piece departs from the second fulcrum at once；Described foldable structure is under released state, described
Second swings piece departs from aforementioned second fulcrum.
When so designing, the right side of foldable structure is also similar to left side design it is ensured that synchronous axial system.
Further, described first swing piece offers the first connecting hole, described motion bar extend through this first
Connecting hole simultaneously can move in the first connecting hole.The presence of the first connecting hole is exactly to meet the first swing piece and the first activity
The free gap that piece needs around motion bar during the first lever shaft rotation together.
Described first connecting hole is a mounting hole, or described first connecting hole aperture is more than the circle of motion bar cross-sectional diameter
Hole.Described first connecting hole aperture is more than during the circular hole of motion bar cross-sectional diameter it can be ensured that motion bar is in the first connecting hole
Inside make a range of relative movement.
Preferably, described first connecting hole is a mounting hole, this mounting hole is to be obliquely installed, and described foldable structure is in
Under lock-out state, described motion bar is located at the high-end of mounting hole, this mounting hole high-end away from the first lever shaft.
Described first connecting hole aperture is more than the circular hole of motion bar cross-sectional diameter, and the purpose of so design is that motion bar exists
First connection in the hole has teeter gap, and, described vertical bar shaped chamber has the space for motion bar teeter,
When moving down, motion bar will carry out teeter in vertical bar shaped intracavity to so motion bar.
Further, outside described first swing piece, be there is the adaptation groove being adapted to the first fulcrum.
Preferably, the first described swing piece and the second swing piece all make the first swing piece and the second pendulum in bending
Moving plate is in that " people " font is arranged.
The middle part of described housing forms vertical bar shaped chamber, the two ends of described motion bar each extend over out the first swing piece with
The second swing lateral surface of piece simultaneously can slide up and down to and is arranged at aforesaid vertical bar shaped intracavity, and a drawstring is connected with motion bar
Connect, this drawstring extends housing from the bottom of housing.
The fit system of the first swing piece and the first fulcrum can be using one of following：
The first, described foldable structure is in the lock state down, and described first swings the downside of piece and described first fulcrum
Upside offsets；
Second, described foldable structure is in the lock state down, and described first swings the upside of piece and described first fulcrum
Downside offsets.
Compared with prior art, it is an advantage of the current invention that：During unblock, because the first swing piece is offseted with the first fulcrum, profit
With lever principle, first swings piece drives the first activity template to rotate around the first lever shaft together, compared with previous type of drive
Driving force substantially reduces, thus reducing the watt level of drive mechanism, reduces manufacturing cost.
Brief description
Fig. 1 is embodiment 1 surface structure schematic diagram.
Fig. 2 is embodiment 1 exploded view.
Fig. 3 is that in embodiment 1, state diagram during locking opened by left guard bar.
Fig. 4 is the initial state diagram of left guard bar unblock in embodiment 1.
Fig. 5 is the state diagram that embodiment 1 is unblock mid-term.
Fig. 6 is the state diagram that embodiment 1 is unblock late period.
Fig. 7 is that embodiment 1 folds state diagram after unblock.
Fig. 8 is embodiment 2 part-structure schematic diagram.
Fig. 9 is part-structure schematic diagram when embodiment 3 locks.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1, as shown in Figure 1, Figure 2 and Figure 3, the play yard guard bar foldable structure the right and left in the present embodiment is right
Claim setting, specifically include housing 8, support chip 6, left guard bar 5, first activity template the 2, first swing intermediate plate 1, the first Magnet 71, live
Lever 4, first swings piece 3, right guard bar 5a, the second activity template 2a, the second swing intermediate plate 1a, the second Magnet 72 and the second swing piece
3a.
Housing 8 has left port and right output port, and support chip 6 is fixed on the medial wall of housing 8, support chip offers multiple
Installing hole 64 and for the accommodating installing hole 65 of the first Magnet 71 and the second Magnet 72, housing 8 includes the first housing 81 and with first
Housing 81 covers and forms the second housing 82 of inner chamber, the first housing 81 and the second housing 82 medial surface all projections have multiple with peace
The connecting post 83 of dress hole 64 adaptation.
The left port of housing 8 is stretched in left guard bar 5 one end and bottom is rotated with support chip 6 and is connected；In the middle part of first activity template 2
Can be rotatably arranged on support chip 6, this first activity template 2 is made using permeability magnetic material；First swings intermediate plate 1 one end and left guard bar
5 flexible connections, the other end is flexibly connected with the left end of the first activity template 2；Left side within located at housing 8 for first Magnet 71；Live
Lever 4 can be up or down in the middle part of housing 8；First right-hand member swinging the bottom and the first activity template 2 that piece 3 is located at the left side is lived
It is dynamically connected, be flexibly connected with motion bar 4 positioned at the high-end of the right.Left guard bar 5 and first swings intermediate plate 1 by the first movable axis 11
It is flexibly connected, the first activity template 2 middle part can be rotatably arranged on support chip 6 by the first lever shaft 22.First activity template 2 is provided with
First lever shaft 22 and the first fulcrum 21.Outside first swing piece 3, be there is the adaptation groove 32 being adapted to the first fulcrum 21.
In the present embodiment, the presence of the first connecting hole 31 is exactly to meet the first swing piece 3 together with the first activity template 2
Around the first lever shaft 22 rotate when the free gap that needs of motion bar, the first connecting hole 31 is mounting hole, and this mounting hole is to tilt
Setting, foldable structure is in the lock state down, and motion bar 4 is located at the high-end of mounting hole, this mounting hole high-end away from the first thick stick
Bar axle 22.
Right-hand component is similar to left-hand component setting, specific as follows：
The right output port of housing 8 is stretched in right guard bar 5a one end and bottom is rotated with support chip 6 and is connected；In second activity template 2a
Portion can be rotatably arranged on support chip 6, and this second activity template 2a is made using permeability magnetic material；Second swings intermediate plate 1a one end and the right side
Guard bar 5a is flexibly connected, and the other end is flexibly connected with the right-hand member of the second activity template 2a；The right side within located at housing 8 for second Magnet 72
Side；The bottom that second swing piece 3a is located at the right is flexibly connected with the left end of the second activity template 2a, positioned at the high-end of the left side and work
Lever 4 is flexibly connected, and right guard bar 5a is flexibly connected by the second movable axis 11a with the second swing intermediate plate 1a, the second activity template 2a
Middle part can be rotatably arranged on support chip 6 by the second lever shaft 22a.Second activity template 2a is provided with the second lever shaft 22a and
Two fulcrum 21a.Outside second swing piece 3a, be there is the adaptation groove being adapted to the second fulcrum 21a.
Foldable structure is in the lock state down, and the first butting section 24 of the first activity template and the first Magnet 71 offset and obtains
Spacing, the second butting section 24a of the second activity template 2a is offseted with the second Magnet 72 and obtains spacing.First swing piece 3 downside with
Offset on the upside of first fulcrum 21, the first swing piece 3 press against the state of the first fulcrum 21.Meanwhile, second swing on the downside of piece 3a with the
The upside of two fulcrum 21a offsets, and the second swing piece 3a press against the state of the second fulcrum 21a.
During foldable structure unblock, the first swing piece 3 drives the first activity template 2 to rotate around the first lever shaft 22 together, and second
Swinging piece 3a drives the second activity template 2a to rotate around the second lever shaft 22a together.After rotating moment, the first swing piece 3 takes off at once
From the first fulcrum 21, synchronous, the second swing piece 3a departs from the second fulcrum 21a at once.
First swing piece 3 and the second swing piece 3a all make the first swing piece 3 swing piece 3a with second in bending
" people " font is arranged.The middle part of housing 8 forms vertical bar shaped chamber 85, and the two ends of motion bar 4 each extend over out the first swing piece 3
It is arranged in vertical bar shaped chamber 85 with the lateral surface sliding up and down to of the second swing piece 3a, drawstring 9 is connected with motion bar 4
Connect, drawstring 9 is from housing 8 is extended in the bottom of housing 8.Drawstring 9 outer end can connect drive mechanism (in figure no shows).
Operation principle：During in conjunction with shown in Fig. 3～Fig. 7, needing unblock, to during housing 8 outside pulling, drawstring 9 drives drawstring 9
Motion bar 4 moves down, and drives both sides first to swing piece 3 and second and swings piece 3a movement, because first swings piece 3 and first
Axle 21 offsets, and such first swing piece 3 drives the first activity template 2 to rotate around the first lever shaft 22 together, and the first activity template 2 rotates
Afterwards, the first swing piece 3 separate with the first fulcrum 21, and the first activity template 2 other end drives first to swing intermediate plate 1 and rotates, driving the
One hinge 12 moves up, and so left guard bar 5 is rotated up with the first swing intermediate plate 1, and so that left guard bar 5 is drawn in and fold (such as
Shown in Fig. 7), the second swing piece 3a, the second activity template 2a, the second swing intermediate plate 1a and right guard bar 5a make similar action, so left
Guard bar 5 and right guard bar 5a just fold gathering, are unlocked.
When needing to launch locking, lift whole foldable structure, during the two outer end swung downward of left guard bar 5 and right guard bar 5a,
Left guard bar 5 and right guard bar 5a drive the first swing intermediate plate 1 and the second swing intermediate plate 1a respectively, and the first swing intermediate plate 1 drives successively
First activity template 2 and the first swing piece 3, meanwhile, the second swing intermediate plate 1a drives the second activity template 2a and second swing piece successively
3a, finally promotes motion bar 4 to move up, the first butting section of the first activity template 2 touches the first Magnet, and the first Magnet 71 is inhaled
Live the first butting section, thus being positioned, right-hand component structure and the action simultaneously of left-hand component structure, put down whole folding knot
Structure, that is, realize automatically locking.
During unblock, the first swing piece and the second swing piece is driven to enable by drawstring 9.
Embodiment 2, as shown in figure 8, the first connecting hole 31 in the present embodiment is more than motion bar cross-sectional diameter for aperture
Circular hole.The purpose of so design is that motion bar has teeter gap in the first connecting hole 31, and, vertical bar shaped chamber
85 have the space for motion bar 4 teeter, and, when moving down, motion bar 4 will be in vertical bar shaped chamber for such motion bar 4
Carry out teeter in 85.As shown in figure 8, being in crooked shape after motion bar 4 swing.Other structures reference implementation example 1.
Embodiment 3, as shown in figure 9, foldable structure is in the lock state down in the present embodiment, the first of the first activity template supports
Relying part 24 is offseted with the first Magnet 71 and obtains spacing, offsets under the first swing piece 3 upside and the first fulcrum 21 meanwhile, and first
Swing the state that piece 3 withstands the first fulcrum 21, right side also similar designs.Other structures and operation principle reference implementation example 1.
Claims (10)
1. a kind of play yard guard bar foldable structure, including
Housing, has left port and right output port；
Support chip, is fixed on the medial wall of aforementioned housing；
Left guard bar, the left port of aforementioned housing is stretched in one end and bottom is rotated with aforementioned support chip and is connected；
First activity template, middle part can be rotatably arranged on aforementioned support chip and right-hand member has the first butting section, this first activity template
Made using permeability magnetic material；
First swing intermediate plate, one end is flexibly connected with aforementioned left guard bar, and the other end is connected with the left end activity of aforementioned first activity template
Connect；
First Magnet, located at the left side of aforementioned enclosure interior；
Motion bar, can be up or down located at aforementioned housing central section；
First swing piece, the bottom positioned at the left side is flexibly connected with the right-hand member of aforementioned first activity template, positioned at the high-end of the right and
Aforementioned active bar is flexibly connected；
Right guard bar, the right output port of aforementioned housing is stretched in one end and bottom is rotated with aforementioned support chip and is connected；
Second activity template, middle part can be rotatably arranged on aforementioned support chip and left end has the second butting section, this second activity template
Made using permeability magnetic material；
Second swing intermediate plate, one end is flexibly connected with aforementioned right guard bar, and the other end is connected with the right-hand member activity of aforementioned second activity template
Connect；
Second Magnet, located at the right side of aforementioned enclosure interior；And
Second swing piece, the bottom positioned at the right is flexibly connected with the left end of aforementioned second activity template, positioned at the high-end of the left side and
Aforementioned active bar is flexibly connected；
Under aforementioned foldable structure lock-out state, the first butting section of aforementioned first activity template is offseted with the first Magnet and is limited
Position, the second butting section of aforementioned second activity template is offseted with the second Magnet and obtains spacing,
It is characterized in that can be rotatably arranged on support chip by one first lever shaft in the middle part of described first activity template, described
One activity template is provided with one first fulcrum；
Described foldable structure is in the lock state down, offsets with aforementioned first fulcrum outside described first swing piece；
During described foldable structure unblock, described first swings piece drives the first activity template to rotate around the first lever shaft together；
Described foldable structure is under released state, and described first swings piece departs from aforementioned first fulcrum.
2. play yard guard bar foldable structure according to claim 1 is it is characterised in that pass through in the middle part of described second activity template
One second lever shaft can be rotatably arranged on support chip, and the second described activity template is provided with one second fulcrum；
Described foldable structure is in the lock state down, offsets with aforementioned second fulcrum outside described second swing piece；
During described foldable structure unblock, described second swings piece drives the second activity template to rotate around the second lever shaft together；
Described foldable structure is under released state, and described second swings piece departs from aforementioned second fulcrum.
3. play yard guard bar foldable structure according to claim 1 is it is characterised in that open up on described first swing piece
There is the first connecting hole, described motion bar extends through this first connecting hole and can move in the first connecting hole.
4. play yard guard bar foldable structure according to claim 3 is it is characterised in that described first connecting hole is a kidney-shaped
Hole, or described first connecting hole aperture is more than the circular hole of motion bar cross-sectional diameter.
5. play yard guard bar foldable structure according to claim 4 is it is characterised in that described first connecting hole is a kidney-shaped
Hole, this mounting hole is to be obliquely installed, and described foldable structure is in the lock state down, and described motion bar is located at the height of mounting hole
End, this mounting hole high-end away from the first lever shaft.
6. play yard guard bar foldable structure according to claim 4 it is characterised in that the middle part of described housing form perpendicular
To bar shaped chamber, the two ends of described motion bar each extend over out the lateral surface of the first swing piece and the second swing piece and can slide up and down
Be arranged at aforesaid vertical bar shaped intracavity, a drawstring is connected with motion bar, and this drawstring extends housing from the bottom of housing
Outward.
7. play yard guard bar foldable structure according to claim 4 is it is characterised in that described first connecting hole aperture is more than
The circular hole of motion bar cross-sectional diameter, and, described vertical bar shaped chamber has the space for motion bar teeter.
8. described play yard guard bar foldable structure according to claim 1 is it is characterised in that described first swings outside piece
Side has the adaptation groove being adapted to the first fulcrum.
9. play yard guard bar foldable structure according to claim 1 is it is characterised in that described first swing piece and second
Swing piece all to make the first swing piece and second swing piece in bending is in that " people " font is arranged.
10. play yard guard bar foldable structure according to claim 1 is it is characterised in that described foldable structure is in locking shape
Under state, offset on the upside of downside and described first fulcrum of described first swing piece, or the described first upside and institute swinging piece
State and offset on the downside of the first fulcrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018499.4A CN106377116B (en) | 2016-11-18 | 2016-11-18 | Folding structure of guard bar for game bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018499.4A CN106377116B (en) | 2016-11-18 | 2016-11-18 | Folding structure of guard bar for game bed |
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| CN106377116A true CN106377116A (en) | 2017-02-08 |
| CN106377116B CN106377116B (en) | 2023-05-02 |
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| CN202515137U (en) * | 2012-02-23 | 2012-11-07 | 好孩子儿童用品有限公司 | Joint structure of child game enclosure frame and child game enclosure frame |
| CN103565170A (en) * | 2012-08-07 | 2014-02-12 | 程宝贤 | Folding structure for game bed framework and method thereof |
| CN202775309U (en) * | 2012-09-20 | 2013-03-13 | 宁波贝驰儿童用品有限公司 | Child game bed and joint structure thereof |
| CN204393943U (en) * | 2013-10-18 | 2015-06-17 | 浙江晨辉婴宝儿童用品有限公司 | A kind of breakaway-element foldable children bed |
| CN203815059U (en) * | 2014-04-06 | 2014-09-10 | 茅鸿勇 | Game bed for children |
| CN104545130A (en) * | 2014-12-31 | 2015-04-29 | 茅鸿勇 | Folded mechanism for game bed guard bars |
| CN204378604U (en) * | 2014-12-31 | 2015-06-10 | 茅鸿勇 | The fold mechanism of play yard guard bar |
| CN204838816U (en) * | 2015-07-18 | 2015-12-09 | 茅鸿勇 | Child game bed |
| CN105768705A (en) * | 2016-05-06 | 2016-07-20 | 茅鸿勇 | Folding structure of game bed guard bar |
| CN206576647U (en) * | 2016-11-18 | 2017-10-24 | 宁波海曙天华产品设计有限公司 | Play yard guard bar foldable structure |
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