CN209079968U - Chair angle adjustment mechanism - Google Patents
Chair angle adjustment mechanism Download PDFInfo
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- CN209079968U CN209079968U CN201821538746.8U CN201821538746U CN209079968U CN 209079968 U CN209079968 U CN 209079968U CN 201821538746 U CN201821538746 U CN 201821538746U CN 209079968 U CN209079968 U CN 209079968U
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- chair angle
- angle adjustment
- bayonet lock
- actuator
- fixing piece
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- 229910000831 Steel Inorganic materials 0.000 description 3
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of chair angle adjustment mechanisms, including fixing piece, adjustment part, chair angle adjustment actuator and bayonet lock, fixing piece is fixedly installed on lower bracket end, and adjustment part is fixedly installed on back frame end, and fixing piece and adjustment part can be pivoted relative to each other；Fixing piece offers through hole, and bayonet lock is plugged in through hole and one end of bayonet lock is connected to chair angle adjustment actuator, and the other end of bayonet lock extend out to adjustment part；Adjustment part corresponds to bayonet lock and offers several adjusting holes, and chair angle adjusts actuator in offering the drive surface that driving bayonet lock protruded into or exited adjusting hole with the side that bayonet lock abuts against.It is pivoted relative to each other via the fixing piece for being fixedly connected on lower bracket end and the adjustment part for being fixedly connected on back frame end to adjust the angle leaned against, and can folding perambulator use when, it is protruded into adjusting hole via chair angle adjustment actuator ejection bayonet lock, so that the pivot of bayonet lock limitation fixing piece and adjustment part, so that leaning against holding current tilt angle.
Description
Technical field
The utility model relates to it is a kind of can the seat of folding perambulator more particularly to a kind of suitable for can folding perambulator
Chair angle adjustment mechanism.
Background technique
Having already appeared currently on the market more and more can folding perambulator.
Can folding perambulator include mainly usually the components such as lower bracket, back frame, arm-rest frame, pass through lower bracket, back frame
And arm-rest frame be pivoted relative to each other with realize can folding perambulator expansion or folding.In order to realize can folding perambulator it is more convenient
Ground expansion and folding operation, the articulated section of lower bracket, back frame and arm-rest frame usually has more complicated joint structure for retracting.
The setting of complicated joint structure for retracting causes to lean against the opposite seat portion for being connected to lower bracket to be connected to back frame
Pivot with adjust lean against tilt angle movement realization bring difficulty.
For this reason, it is necessary to provide a kind of chair angle adjustment mechanism, with realize can folding perambulator chair angle adjustment.
Utility model content
The purpose of the utility model is to provide a kind of chair angle adjustment mechanism, with realize can folding perambulator seat angle
Degree adjustment.
To achieve the goals above, the utility model discloses a kind of chair angle adjustment mechanism, being set to can folding baby
The lower bracket of youngster's vehicle and the articulated section of back frame, the chair angle adjustment mechanism include fixing piece, adjustment part, chair angle tune
Whole actuator and bayonet lock, the fixing piece are fixedly installed on the lower bracket end, and the adjustment part is fixedly installed on the back
By frame end portion, and the fixing piece and the adjustment part can be pivoted relative to each other；The fixing piece offers through hole, and the bayonet lock is inserted
The one end for being connected to the through hole and the bayonet lock is connected to the chair angle adjustment actuator, and the other end of the bayonet lock is stretched
Out to the adjustment part；The adjustment part corresponds to the bayonet lock and offers several adjusting holes, the chair angle adjustment driving
Part offers the drive surface for driving the bayonet lock to protrude into or exit the adjusting hole in the side abutted against with the bayonet lock.
Compared with prior art, chair angle adjustment mechanism provided by the utility model, via being fixedly connected on lower bracket
The fixing piece of end and the adjustment part for being fixedly connected on back frame end are pivoted relative to each other to adjust the angle leaned against, and can folding
Perambulator via chair angle adjustment actuator ejection bayonet lock in use, protrude into adjusting hole, so that bayonet lock limitation is fixed
The pivot of part and adjustment part so that can folding perambulator lean against holding current tilt angle.
Preferably, being additionally provided at the bayonet lock so that the bayonet lock perseverance has the movement trend for exiting the adjusting hole
Elastic component.
Preferably, one end of the bayonet lock towards chair angle adjustment actuator is provided with First terrace, it is described
Fixing piece is provided with second step face, and the elastic component is socketed on the outside of the bayonet lock and both ends are connected to the First respectively
Terrace and the second step face.
Preferably, the drive surface is provided with locking bit and release the lock position, and the seat along the moving direction of the bayonet lock
Angle adjustment actuator perseverance has the movement trend for the position for keeping the locking bit and the bayonet lock to abut against.
Preferably, the chair angle adjustment mechanism further includes the positioning for driving the chair angle adjustment actuator rotation
Part, so that chair angle adjustment actuator rotates the position abutted against to the release the lock position and the bayonet lock.
Specifically, the chair angle adjustment actuator is provided with the driving flank of tooth around pivot axis, the locating piece is corresponding
It is provided with sliding tooth；The locating piece is limited in the pivotal orientation of chair angle adjustment actuator, when the locating piece
When stress is mobile to the direction for adjusting actuator close to the chair angle, driven via the sliding tooth and the driving flank of tooth
The chair angle adjustment actuator rotation.
Specifically, the chair angle adjustment actuator includes being set to the drive surface of outer ring and being provided with inner ring
The driving flank of tooth, and the drive surface and the driving flank of tooth are in circularly to be arranged with one heart.
Specifically, the chair angle adjustment actuator is set to the articulating joints of the lower bracket and the back frame
It is interior, and the driving chair angle tune is additionally provided between chair angle adjustment actuator and the inner wall of the articulating joints
The elastic engaging actuator of the movement trend for the position that whole actuator keeps the locking bit and the bayonet lock to abut against.
Specifically, the chair angle adjustment mechanism further includes leaning against release the lock part, the release the lock part that leans against is in the positioning
Locating piece described in side ejection of the part away from chair angle adjustment actuator adjusts actuator to close to the chair angle
Direction it is mobile.
Preferably, the through hole is in there are two symmetrically opening up, two bayonet locks correspondences are plugged in the through hole.
Detailed description of the invention
Fig. 1 be can folding baby carriage frame structural schematic diagram.
Fig. 2 be can folding baby carriage frame schematic diagram of internal structure.
Fig. 3 be can folding baby carriage frame decomposition diagram.
Fig. 4 is the structural schematic diagram that chair angle adjusts actuator.
Fig. 5 is the structural schematic diagram of locating piece.
Fig. 6 is the structural schematic diagram of adjustment part.
Fig. 7 is the decomposition diagram of interlinked mechanism.
Fig. 8 is the structural schematic diagram of lower bracket continuous action base.
Fig. 9 is the structural schematic diagram of back frame continuous action base.
Figure 10 is the attachment structure schematic diagram of back frame continuous action base, fastener and gear
Figure 11 be can folding baby carriage frame unfolded state schematic diagram.
Figure 12 be can folding baby carriage frame folding state schematic diagram.
Figure 13 be can folding baby carriage frame sectional view.
Figure 14 is that back frame is opened to the internal state schematic diagram of reclined position.
Figure 15 is that back frame is opened to the internal state schematic diagram of stand up position.
Specific embodiment
For technology contents, the construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with implementation
Mode simultaneously cooperates attached drawing to be explained in detail.
As depicted in figs. 1 and 2 for can folding perambulator seat, including lower bracket 100, back frame 200, arm-rest frame
300 and vehicle awning frame 400, and can folding perambulator vehicle frame, wheel, braking mechanism and the seating that can be fabricated from a flexible material
Portion, back, hood etc., non-this case to emphasis, therefore do not shown in figure.As depicted in figs. 1 and 2, lower bracket 100,
Back frame 200, arm-rest frame 300 and vehicle awning frame 400 distinguish it is U-shaped, at the both ends of lower bracket 100 as shown in Figure 7 respectively fixation set
It is equipped with lower bracket continuous action base 110, is fixedly installed back frame continuous action base 210 at the both ends of back frame 200 respectively, and such as Figure 13 institute
Show and is fixedly installed handle interlocked seat 310 at the both ends of arm-rest frame 300 respectively, lower bracket 100, back frame 200 and arm-rest frame 300
It is coaxially pivoted to as depicted in figs. 1 and 2 via lower bracket continuous action base 110, back frame continuous action base 210 and handle interlocked seat 310, and
Via lower bracket 100, the opposite expansion of back frame 200 and arm-rest frame 300 or folding with realize can folding perambulator expansion or receipts
Folding.Although it should be understood that do not show in Fig. 1 and Fig. 2, seat 1 can by seat connection 320 with can folding perambulator
Vehicle frame is detachably connected.
For can be realized can folding perambulator a kind of handrail can be provided by convenient folding or expansion, the technical program
Frame interlocks unfolding mechanism.As depicted in figs. 1 and 2, it includes being fixedly installed on 200 end of back frame that arm-rest frame, which interlocks unfolding mechanism,
Fixing piece 220 and the handle interlocked seat 310 for being fixedly installed on 300 end of arm-rest frame, the end of lower bracket 100, fixing piece 220,
And handle interlocked seat 310 is coaxially pivotally connected, and ejection deployed configuration is provided between handle interlocked seat 310 and fixing piece 220；Handrail
Continuous action base 310 can opposed fixed member 220 pivot so that arm-rest frame 300 be unfolded, and handle interlocked seat 310 can via ejection be unfolded tie
Structure ejection fixing piece 220 is pivoted with respect to the end of lower bracket 100 so that back frame 200 is unfolded；Arm-rest frame interlocks unfolding mechanism also
Including can the mobile locating piece 700 of opposed fixed member 220 and handle interlocked seat 310, when 310 opposed fixed member of handle interlocked seat
220 are switched to arm-rest frame 300 when being in the deployed, and locating piece 700 can protrude between fixing piece 220 and handle interlocked seat 310
To limit being pivoted relative to each other between fixing piece 220 and handle interlocked seat 310.In conjunction with shown in Fig. 3-Figure 15, more specifically:
In conjunction with shown in Fig. 2-Fig. 4, it includes being set to handle interlocked seat 310 and fixing piece 220 that arm-rest frame, which interlocks unfolding mechanism,
Between ejection deployed configuration, locating piece 700 and release the lock actuator 1200.Wherein, ejection deployed configuration is to realize that handrail connects
The pivot of dynamic seat 310 drives fixing piece 220 that back frame 200 is made to pivot expansion with respect to lower bracket 100；The setting of locating piece 700
For the relative position of limitation fixing piece 220 and handle interlocked seat 310, arm-rest frame 300 is made to be maintained at expansion with respect to back frame 200
Position；Release the lock actuator 1200 can drive locating piece 700 to discharge to 310 relative position of fixing piece 220 and handle interlocked seat
Limitation.
The structure for interlocking unfolding mechanism to arm-rest frame below is described in detail:
In conjunction with shown in Fig. 2-Fig. 4, the one of them of fixing piece 220 and handle interlocked seat 310 offers arc along pivotal orientation
The wherein another one of shape limiting slot 224, fixing piece 220 and handle interlocked seat 310 is fixedly installed limited block along pivotal orientation
311, limited block 311 is less than the accurate measurement of arc limit slot 224 along the size of pivotal orientation, and limited block 311 is caught in arc limit
It can move in the slot 224 of position and in arc limit slot 224, arc limit slot 224 and limited block 311 form ejection deployed configuration；
When limited block 311, which is moved to, mutually to be supported with one end of arc limit slot 224, handle interlocked seat 310 can be via the limit mutually supported
The end of position block 311 and the opposite lower bracket 100 of 224 ejection fixing piece of arc limit slot 220 pivots so that back frame 200 is unfolded.
In the present embodiment, the groove depth size uniformity of arc limit slot 224, the both ends of arc limit slot 224 are each formed with
Support end face.In this embodiment, when limited block 311, which is moved to, mutually to be supported with one end of arc limit slot 224, handle interlocked
Seat 310 can be via the end pivot for the opposite lower bracket 100 of 224 ejection fixing piece of limited block 311 and arc limit slot 220 mutually supported
Turn so that back frame 200 is unfolded, and when limited block 311 is moved to and mutually supports with the other end of arc limit slot 224, handrail connects
Dynamic seat 310 can be via the end for the opposite lower bracket 100 of 224 ejection fixing piece of limited block 311 and arc limit slot 220 mutually supported
It pivots so that 200 folding of back frame.
More specifically, in conjunction with shown in Fig. 2-Fig. 5, Figure 11-Figure 13, fixing piece 220 and handle interlocked seat 310 rotationally cover
It connects, and the outer rim for being located at one of inside in fixing piece 220 and handle interlocked seat 310 offers arc limit slot 224, fixing piece
220 and handle interlocked seat 310 in be located at one of outside and inwardly protrude out and be formed with limited block 311.Specifically in the present embodiment, Gu
Determine part 220 be located inside, handle interlocked seat 310 be socketed on fixing piece 220 outside and can opposed fixed member 220 pivot, it is fixed
The outer edge side of part 220 offers arc limit slot 224, and handle interlocked seat 310 along the direction perpendicular to pivot axis to convex
It stretches and is formed with limited block 311, and limited block 311 protrudes into arc limit slot 224, so that handle interlocked seat 310 is only limited in arc
Position slot 224 opens up the expansion or folding that can be pivoted in angular range with opposed fixed member 220 to realize arm-rest frame 300.It is helping
After 310 opposed fixed member 220 of hand continuous action base is switched to one end that limited block 311 supports arc limit slot 224, external force can be pushed
Arm-rest frame 300 makes handle interlocked seat 310 continue to pivot, make via the end face of supporting of 311 ejection arc limit slot 224 of limited block
Handle interlocked seat 310 and fixing piece 220 is relatively fixed and pivot in unison, until back frame 200 is unfolded with respect to lower bracket 100.
Certainly, the position of fixing piece 220 and handle interlocked seat 310 can also be exchanged, i.e., so that handle interlocked seat 310 is located inside, consolidates
Determine part 220 be socketed on handle interlocked seat 310 outside and can armrest continuous action base 310 pivot, and limited block 311 is set to position
The handle interlocked seat 310 positioned inside is opened in the fixing piece 220 in outside, arc limit slot 224.Further, arc
Limiting slot 224 can also be not arranged in the outer edge side of fixing piece 220, as long as arc limit slot 224 is set to the pivot of fixing piece 220
The outside of axis, in using pivotal axis as the arc of arc core.
It is please referred to shown in Fig. 2-Fig. 5, Figure 11-Figure 13 again, locating piece 700 can opposed fixed member 220 and handle interlocked seat 310
It is mobile, and when 310 opposed fixed member 220 of handle interlocked seat is switched to arm-rest frame 300 and is in the deployed, locating piece 700 can
It protrudes between fixing piece 220 and handle interlocked seat 310 to limit being pivoted relative to each other between fixing piece 220 and handle interlocked seat 310.
Preferably, locating piece 700 be connected in fixing piece 220 and handle interlocked seat 310 offer one of arc limit slot 224 and with
The pivotal axis of its opposed fixed member 220 and handle interlocked seat 310, and when limited block 311 supports arc limit slot 224
When one end is so that back frame 200 is unfolded, locating piece 700 is extended between limited block 311 and the other end of arc limit slot 224 with limit
The relative rotation of fixing piece 220 and handle interlocked seat 310 processed.
Further, in the present embodiment, as shown in Fig. 2-Fig. 5, Figure 11-Figure 13, locating piece 700 is plugged in fixing piece
At 220 pivot axis, and the positioning region 720 of locating piece 700 extends radially and face arc limit slot 224；Fixing piece 220
Relief portion is offered with one of arc limit slot 224 correspondence is offered in handle interlocked seat 310.In conjunction with shown in Fig. 2-5, more
Body: mounting hole 221 is offered at the pivot axis of fixing piece 220, locating piece 700 is plugged in the mounting hole 221 of fixing piece 220
It is interior and be arranged coaxially with the pivot axis of the end of lower bracket 100, fixing piece 220 and handle interlocked seat 310；Fixing piece 220
Side wall offer connection arc limit slot 224 relief portion, the locating piece 700 being set at pivot axis, positioning region 720
It extends radially across relief portion and extend out to face arc limit slot 224.Locating piece 700 along pivotal orientation size substantially etc.
In the difference of arc limit slot 224 and the size of limited block 311, and it is in limited block 311 and is moved to the one of arc limit slot 224
When holding and can push the state of the expansion of back frame 200, the other end of 700 face arc limit slot 224 of locating piece simultaneously can be along pivot
Axis is to being moved in arc limit slot 224 and being stuck between limited block 311 and the house type limiting slot other end, to limit arc limit
The relative movement of position slot 224 and limited block 311, so that limiting arm-rest frame 300 is in unfolded state.It should be understood that fixing piece
220, the articulated section of 100 three of handle interlocked seat 310 and lower bracket should reserve a part of space, to accommodate locating piece 700
And for locating piece 700 along pivot axis to moving.
Again incorporated by reference to shown in Figure 11-Figure 13, release the lock actuator 1200 is set to fixing piece 220 and handle interlocked seat 310
At pivot axis and can opposed fixed member 220 and handle interlocked seat 310 pivot axial movement；Release the lock actuator 1200 is located at fixed
Position part 700 stretch out the outside in direction and can ejection locating piece 700 move inward and exit arc limit slot 224.Specific: release the lock is driven
Moving part 1200 is identical with locating piece 700, is similarly positioned in the pivot of 100 three of fixing piece 220, handle interlocked seat 310 and lower bracket
Place is met, and release the lock actuator 1200 can equally be released with the pivot axis of opposed fixed member 220 and handle interlocked seat 310 to movement
Lock actuator 1200 be located at the outside in the stretching of locating piece 700 direction and can ejection locating piece 700 move inward and exit arc-shaped limit
Slot 224, to realize release the lock of the arm-rest frame 300 with respect to back frame 200.Specifically in the present embodiment, locating piece 700 and fixing piece
220 is identical, offers centre bore 740, release the lock actuator 1200 is plugged in the centre bore 740 of locating piece 700 and release the lock is driven
It is correspondingly arranged on shaft shoulder structure between moving part 1200 and locating piece 700, and realizes release the lock actuator 1200 via the shaft shoulder structure
Ejection to locating piece 700.
Below in conjunction with shown in Fig. 1-Fig. 5, Figure 11-Figure 13, to can the gearing expansion folding process of folding perambulator do one in detail
It describes in detail bright:
When seat 1 is in folding state, as shown in figure 12, the limited block 311 of handle interlocked seat 310 is in arc at this time
One end of limiting slot 224 simultaneously makes arm-rest frame 300 be in folding state with respect to back frame 200；
When outer power drive arm-rest frame 300 drives 310 opposed fixed member 220 of handle interlocked seat to pivot, limited block 311 exists therewith
Be moved to the other end of arc limit slot 224 in arc limit slot 224, discharge the limit to positioning region 720, locating piece 700 to
It is extend out to arc limit slot 224 outside, is in the deployed with limiting arm-rest frame 300；External force pushes arm-rest frame 300 that handrail is connected
Dynamic seat 310 continues to pivot, makes handle interlocked seat 310 and solid via the end face of supporting of 311 ejection arc limit slot 224 of limited block
Determine that part 220 is relatively fixed and pivot in unison, until back frame 200 is unfolded with respect to lower bracket 100.
And folding can folding perambulator when, only need to press inward against release the lock actuator 1200, release the lock actuator 1200 via
Shaft shoulder structure driving locating piece 700 moves inward and exits arc limit slot 224, at this time arm-rest frame 300 locating piece 700 drive
Dynamic lower opposed fixed member 220 is reversely switched to folding state.
For make can folding perambulator expansion or during folding, the pivotal action of lower bracket 100, back frame 200
Rule facilitates manipulation, and the articulated section of back frame 200 and lower bracket 100 is provided with vehicle frame synchronous on-off interlinked mechanism.Via this
Vehicle frame synchronous on-off interlinked mechanism, so that 200 pivot in unison of lower bracket 100 and back frame.
Specifically, in conjunction with shown in Fig. 7-Figure 10, vehicle frame synchronous on-off interlinked mechanism includes being fixedly installed on 200 end of back frame
The back frame continuous action base 210 in portion, the lower bracket continuous action base 110 for being fixedly installed on 100 end of lower bracket and it is set to back frame
Linkage unit between continuous action base 210 and lower bracket continuous action base 110, back frame continuous action base 210 and lower bracket continuous action base 110 are coaxial
It is pivotally connected, is provided with the first teeth portion 111 in lower bracket continuous action base 110, the second teeth portion 212 is provided in back frame continuous action base 210, even
Moving cell is engaged with the first teeth portion 111 and the second teeth portion 212 simultaneously, to realize the 100 pivot in unison exhibition of back frame 200 and lower bracket
It opens or folding.In conjunction with shown in Fig. 1-Fig. 2, Figure 11-Figure 15, more specifically:
As shown in fig. 7, the lower end of lower bracket continuous action base 110 is fixedly connected on lower bracket 100, back frame continuous action base 210
Upper end is fixedly connected on back frame 200, and the upper end of lower bracket continuous action base 110 and the lower end of back frame continuous action base 210 are articulated.
Linkage unit for realizing 200 pivot in unison of lower bracket 100 and back frame is set to lower bracket continuous action base 110 and back frame connects
The articulated section of dynamic seat 210.
Wherein, for lower bracket continuous action base 110, as shown in connection with fig. 8, the foreign steamer of 110 upside articulated section of lower bracket continuous action base
It is wide generally circular, and the outer edge side of lower bracket continuous action base 110 protrudes out to form annular side to the direction of back frame continuous action base 210
Wall.Annular sidewall is formed with the first teeth portion 111 centered on pivot axis, and in the inner wall of annular sidewall.
And for back frame continuous action base 210, in conjunction with shown in Fig. 3 and Fig. 9, the corresponding pivot axis of back frame continuous action base 210
The connecting hole 213 through back frame continuous action base 210 is offered at center, and back frame continuous action base 210 deviates from lower bracket continuous action base
110 side has accommodating cavity 211, and via the accommodating cavity 211 connection and positioning chair angle-adjusting mechanism；Back frame
Continuous action base 210 towards the side of lower bracket continuous action base 110 be integrally in it is planar, only in the pivot axis of back frame continuous action base 210
Place protrudes out to form the rounded boss of outer profile to the direction of upper frame continuous action base, and the second teeth portion 212 is formed in the outer wall of boss.
When lower bracket continuous action base 110 and back frame continuous action base 210 are articulated: the other side of annular sidewall and lower bracket connect
Dynamic seat 110 is affixed, and the cavity of closing linkage unit is formed between lower bracket continuous action base 110 and back frame continuous action base 210, to make
Obtaining linkage unit will not exposed, raising mechanism reliability；It is placed in the second teeth portion 212 of outer wall of boss and is set to annular sidewall
First teeth portion 111 of inner wall is in being arranged concentrically, but since the diameter dimension of boss is smaller, the first teeth portion 111 and the second teeth portion 212
Between have biggish gap, both do not contact directly.
In conjunction with shown in Fig. 7 and Figure 10, linkage unit includes coaxial with back frame continuous action base 210 and lower bracket continuous action base 110
The connector 1100 of pivot joint and the gear 1000 for being rotatably connected at connector 1100.Wherein, the middle part of connector 1100 is
The articulated section being coaxially pivotally connected with back frame continuous action base 210 and lower bracket continuous action base 110, the both ends of connector 1100 are respectively arranged with
For positioning the locating shaft 1102 of gear 1000, two gears 1000 are connected respectively in locating shaft 1102.
It is please referred to shown in Fig. 7 and Figure 10 again, gear 1000 is between connector 1100 and back frame continuous action base 210, tooth
The side of wheel 1000 towards articulated section is meshed close to boss and with the second teeth portion 212 for being set to outer wall of boss；Gear 1000
Side far from articulated section in protruding from the setting of 1100 ground of connector, such gear 1000 blocks without connected piece 1100,
Gear 1000 can be meshed with the first teeth portion 111 of the inner wall of annular sidewall.Since two gears 1000 are located at the first tooth
It between portion 111 and the second teeth portion 212 and is meshed simultaneously with the first teeth portion 111 and the second teeth portion 212, so that lower bracket
100 and back frame 200 be pivoted relative to each other with connection, both pivot in unison expansion or folding.
It should be understood that in the case where not positioned to connector 1100, in two gears 1000 in 111 He of the first teeth portion
During second pivot movement of teeth portion 212, while it is synchronous around pivot axis to will drive connector 1100.In preferred embodiment
In, in order to guarantee to pivot the stability of folding, connector 1100 can be positioned.
After back frame continuous action base 210 and lower bracket continuous action base 110 are switched to unfolded state, 210 He of back frame continuous action base
Lower bracket continuous action base 110 should must not continue to pivot, but should reliably be limited, so that can the holding of folding perambulator
Unfolded state.Specifically, vehicle frame synchronous on-off interlinked mechanism further includes fastener 900, and fastener 900 is equally closed in by ring
In the cavity that shape side wall is constituted.Connector 1100 engages shifting with gear 1000 between the first teeth portion 111 and the second teeth portion 212
It is dynamic, until connector 1100 is engaged part 900 and is blocked, such connector 1100 and the gear 1000 for being connected to connector 1100
Position is no longer movable, can folding perambulator keep unfolded state.
More specifically, as shown in figures 7 and 9, the inner wall of back frame continuous action base 210 is provided with special-shaped latch 214, fastener
900 include the interconnecting piece 920 being connected at the drive-connecting shaft of back frame continuous action base 210 and lower bracket continuous action base 110, fastener 900
Both ends fasten respectively with special-shaped latch 214 and simultaneously with the first teeth portion of part 111 for being arranged on lower bracket attachment base 110
Engaging, to realize that the expansion of lower bracket 100 and back frame 200 positions.
Can in folding perambulator, seat 1 can it is opposite can the vehicle frame of folding perambulator adjust the angle.
Specifically, in the chair angle adjustment mechanism chair angle adjustment mechanism as shown in Fig. 1-2 and Fig. 6, chair angle tune
Complete machine structure includes fixing piece 220, adjustment part 120, chair angle adjustment actuator 500 and bayonet lock 600, wherein adjustment part 120 by
It is removably fixed with stroller frame by being set to its seat connection 320 on the outside of stroller frame, and fixing piece
220 can pivot with respect to adjustment part 120；Fixing piece 220 offers through hole 222, and bayonet lock 600 is plugged in through hole 222 and bayonet lock
600 one end is connected to chair angle adjustment actuator 500, and the other end of bayonet lock 600 extend out to adjustment part 120；Adjustment part 120
Corresponding bayonet lock 600 offers several adjusting holes 121, and chair angle adjusts actuator 500 in the side abutted against with bayonet lock 600
Offer the drive surface 510 that driving bayonet lock 600 protruded into or exited adjusting hole 121.In conjunction with shown in Fig. 3-Fig. 7, more specifically:
As shown in Figures 2 and 3, fixing piece 220 is set at the both ends of back frame 200, and the end with back frame 200 respectively
Portion is in be permanently connected.More specifically, back frame continuous action base 210 is provided with accommodating cavity 211, and fixing piece 220 is set to accommodating
It, can be in the outer edge side and accommodating cavity 211 of fixing piece 220 in being permanently connected in cavity 211 and with back frame continuous action base 210
Inner wall be correspondingly arranged on flush structure, so when fixing piece 220 be assembled into accommodating cavity 211 in fixing piece 220 can be realized
With being fixedly connected for back frame continuous action base 210 so that fixing piece 220 is fixedly installed on the end of back frame 200.
It is please referred to shown in Fig. 3 again, the appearance profile of fixing piece 220 is generally circular, the corresponding pivot axis of fixing piece 220
It is larger and run through the mounting hole 221 of 220 front and rear sides of fixing piece that size is offered at center, and in the left and right of mounting hole 221 two
Side is in symmetrically to offer the through hole 222 for also extending through 220 front and rear sides of fixing piece, and the diameter of through hole 222 is less than peace
Fill the diameter in hole 221.
Again incorporated by reference to shown in Fig. 3 and Fig. 4, in being additionally provided with chair angle in the accommodating cavity 211 of back frame continuous action base 210
Adjust actuator 500.Chair angle adjusts the inside that 500 opposed fixed member 220 of actuator is located at accommodating cavity 211, and with it is solid
It is different to determine part 220, chair angle adjustment actuator 500 not with back frame continuous action base 210 in being permanently connected, but can be with
It rotates by a certain angle in the axis that is pivoted relative to each other in accommodating cavity 211.Chair angle adjusts in the corresponding pivot axis of actuator 500
Equally offered at the heart size it is larger and through chair angle adjustment 500 front and rear sides of actuator avoid holes 540, the avoid holes
540 are connected to the position of mounting hole 221 correspondence；Further, same at the center of the corresponding pivot axis of back frame continuous action base 210
The connecting hole 213 through back frame continuous action base 210 is offered, the avoid holes 540, mounting hole 221 and connecting hole 213 are corresponding
Form an evacuation channel.The side of chair angle adjustment actuator 500 towards fixing piece 220 is provided with drive surface 510, such as Fig. 4
It is shown, drive surface 510 be specially centered on pivot axis, in the different annular concave-convex face of height on the direction of pivot axis,
Release the lock face 512 wherein is constituted apart from the farther away concave surface of fixing piece 220, and constitutes lock face apart from the closer convex surface of fixing piece 220
511。
In conjunction with shown in Fig. 2-Fig. 4, two bayonet locks 600, which respectively correspond, to be plugged in pass through aperture 222 and can be before through hole 222
Telescopic moving afterwards, and one end of bayonet lock 600 towards chair angle adjustment actuator 500 is supported with 510 phase of drive surface.Work as bayonet lock
600 when supporting to lock face 511, and bayonet lock 600 is protruding under the ejection effect of lock face 511；When bayonet lock 600 is supported to releasing
When locking face 512, bayonet lock 600 lacks ejection and acts on and inside retraction.
Preferably, as shown in figure 3, being additionally provided at bayonet lock 600 so that the permanent movement trend with inside retraction of bayonet lock 600
Elastic component 610.Specifically, one end of bayonet lock 600 towards chair angle adjustment actuator 500 is provided with First terrace 620,
Fixing piece 220 is provided with second step face (not shown), and elastic component 610 is socketed on 600 outside of bayonet lock and both ends abut respectively
In First terrace 620 and second step face.More specifically in the present embodiment, bayonet lock 600 adjusts actuator towards chair angle
500 one end radially protrudes out the coronal to be formed and be relatively large in diameter, which forms the towards the side of fixing piece 220
One step surface 620；The through hole 222 of fixing piece 220 larger, back in the side size towards chair angle adjustment actuator 500
The lesser stepped hole of side size from chair angle adjustment actuator 500, and the cascaded surface of stepped hole forms second step face.
Elastic component 610 is specifically as follows straight line compressed spring, and straight line compressed spring 610 is socketed on 600 outside of bayonet lock, and straight line compresses bullet
One end of spring 610 is connected to First terrace 620, and the other end of straight line compressed spring 610 is connected to second step face, via straight
The compression elasticity of wire compression spring 610 makes bayonet lock 600 is permanent to have to the direction shifting close to chair angle adjustment actuator 500
The movement trend of dynamic, inside retraction.
It is please referred to shown in Fig. 1 and Fig. 6 again, adjustment part 120 is set to fixing piece 220 and adjusts actuator away from chair angle
500 side.Adjustment part 120 is towards the side of fixing piece 220: along pivot at the center of the corresponding pivot axis of adjustment part 120
Shaft axis direction protrudes out to form a connecting column 122, and when the installation of adjustment part 120 to fixing piece 220 is driven away from chair angle adjustment
When the side of moving part 500, connecting column 122 sequentially passes through the avoid holes 540 of fixing piece 220, chair angle adjusts actuator 500
The connecting hole 213 of mounting hole 221 and back frame continuous action base 210, thus via evacuation channel and after being located at back frame continuous action base 210
The lower bracket continuous action base 110 of side is in connect relatively fixedly.Preferably, adjustment part 120 and lower bracket continuous action base 110 are in detachable
Ground is connected together, and when adjustment part 120 and lower bracket continuous action base 110 fasten when connecting, adjustment part is with respect to lower bracket continuous action base
110 is fixed.Adjustment part 120 is additionally provided with several adjusting holes around the outside of pivot axis, the movement routine of corresponding bayonet lock 600
121, and when supporting protruding under the ejection effect of lock face 511 to lock face 511, bayonet lock 600, bayonet lock 600 deviates from
The other end of chair angle adjustment actuator 500 protrudes into a corresponding adjusting hole 121, fixes to limit via bayonet lock 600
The back frame 200 for being pivoted relative to each other, being fixedly connected on fixing piece 220 of part 220 and adjustment part 120 relatively fixed can be connected to down
The seat portion of bracket 100 adjusts tilt angle.
It should be understood that for the trend for keeping arm-rest frame 300 to move towards folding state, it can be in 310 He of handle interlocked seat
It is provided with elastic engaging actuator 530 between fixing piece 220, along the outer edge side centered on pivot axis, therefore, works as locating piece
After 700 releases are to the blocking of handle interlocked seat 310, arm-rest frame 300 is towards folding shape under the driving of the elastic engaging actuator 530
State movement.
As shown in connection with fig. 3, chair angle adjustment actuator 500 is deep is placed in the accommodating cavity 211 of back frame continuous action base 210 simultaneously
Fixture 220 is blocked.It pivots, for chair angle can be driven to adjust actuator 500 so that 512 face bayonet lock of release the lock face
600 so that realize release the lock, the technical solution of use are as follows: chair angle adjustment actuator 500 is provided with sliding tooth around pivot axis
Face 510, wherein drive surface 510 be located at driving the flank of tooth 510 outside, and drive surface 510 and driving the flank of tooth 510 in one heart circularly
Setting；Locating piece 700 is correspondingly arranged on sliding tooth 710, and locating piece 700 is set to fixing piece 220 and drives away from chair angle adjustment
The side of moving part 500, and part locating piece 700 passes through the mounting hole 221 of fixing piece 220 and makes sliding tooth 710 and sliding tooth
Face 510 is in be located directly opposite.When vehicle frame folding, release the lock actuator 1200 will push locating piece 700 and move to the direction of fixing piece 220
Dynamic, via sliding tooth 710 and the driving corresponding pitch face of the flank of tooth 510 cooperation, driving chair angle adjustment actuator 500 is around pivot
Axis is rotated by a certain angle, is rotated to the position of 512 face bayonet lock 600 of release the lock face, and bayonet lock 600 is in straight line compressed spring at this time
Direction under from driving to release the lock face 512 is mobile, inside retraction and exits adjusting hole 121, at this time fixing piece 220 and adjustment part 120
No longer limited by bayonet lock 600, fixing piece 220 and adjustment part 120 can be pivoted relative to each other to adjust the tilt angle of back frame 200,
Until back frame 200 adjusts to target tilt angle, the release of locating piece 700 to the ejection of chair angle adjustment actuator 500,
Chair angle adjustment actuator 500 is reversely rotated under the action of elastic engaging actuator 530 to 511 face bayonet lock of lock face
600 position, bayonet lock 600 are displaced outwardly under the ejection effect of lock face 511 and protrude into corresponding adjusting hole 121.So
One, the process of stroller frame folding can the rotation of 1 relative frame of automatic traction seat so that seat 1 and vehicle frame after folding
Volume minimization reduces the space occupied.
Further, chair angle adjustment mechanism further includes the 200 release the lock part of back frame for driving locating piece 700, portion
Point 200 release the lock part of back frame is caught in the centre bore that the corresponding pivot axis of locating piece 700 offers, other parts back frame 200
Release the lock part stretches out centre bore and in being projectedly arranged, 200 release the lock part of back frame accepted with can be convenient via the part of protrusion by
Pressure, and the near direction for being transmitted to locating piece 700 and then driving locating piece 700 to chair angle adjustment actuator 500 is mobile.
As shown in connection with fig. 4, chair angle adjustment actuator 500 is additionally provided with for driving one end of steel wire (not shown) to fix
Aperture 550, and the operating parts 230 being connected with the other end of the driving steel wire is provided in back frame 200, when needing in baby
In the state of the expansion of youngster's vehicle carriage when active accommodation 1 angle of seat, pressing operation part 230 can pull steel wire to drive chair angle
Adjust the release the lock that actuator 500 rotates and realizes chair angle adjustment mechanism according to driving method described in previous paragraph.
It should be understood that after vehicle frame folding, chair angle adjust structure can automatic release the lock, and in order to cater to the use of people
Habit, the utility model frame expansion after be provided with seat expansion location structure so that seat 1 be unfolded after relative frame angle
Place ground upright state.
In this context, expansion positioning mechanism is leaned against one kind can be additionally provided in folding perambulator.Such as Fig. 2-Fig. 3 institute
Show, lean against expansion positioning mechanism be set to can the back frame 200 of folding perambulator and the articulated section of lower bracket 100, lower bracket 100
End is fixedly installed fixing piece 220, and 200 end of back frame is fixedly installed adjustment part 120, and fixing piece 220 and adjustment part
120 can be pivoted relative to each other, and chair angle adjustment part 120 is permanent to have the shape being pivoted relative to each other in limitation fixing piece 220 and adjustment part 120
The movement trend of state；Leaning against expansion positioning mechanism includes locating piece 700 and locating part 1300, and fixing piece 220 is in outside pivot axis
Side offers angle limit slot 123, locating piece 700 can opposed fixed member 220 moved along pivot axis, and at least partly locating piece
700 are located in angle limit slot 123, and locating piece 700 is moved along pivot axis exits angle limiting slot 123, to drive seat angle
The release of adjustment part 120 is spent to limit the pivot of fixing piece 220 and adjustment part 120；Locating part 1300 is set to angle limit slot 123
It is interior and under the driving of elastic drive part 1301 in angle limit slot 123 towards pivot axis slide, when adjustment part 120 rotation extremely
When 1300 face locating piece 700 of locating part, locating part 1300 and locating piece 700 offset to limit 700 entry angle of locating piece limit
Position slot 123；And when the rotation of adjustment part 120 makes locating part 1300 and locating piece 700 be staggered, locating piece 700 can entry angle limit
Position slot 123 is to discharge the driving effect to chair angle adjustment part 120, to lock chair angle.More specifically:
As shown in Fig. 6 and 14-15, adjustment part 120 offers angle limit slot 123, angle limit on the outside of pivot axis
Slot 123 is set to the outer edge side of adjustment part 120 and in the arc centered on pivot axis, the setting of 1300 Elastic Sliding of locating part
In in angle limit slot 123 and locating part 1300 has the trend slided towards pivot axis.
It is please referred to shown in Fig. 5 and 13-14 again, in the present embodiment, due to the presence of locating part 1300, when locating part 1300
When with adjustment part 120 to 1300 face locating piece 700 of locating part, locating piece 700 is kept under the counter-active effect of locating part 1300
Disengaging angle limit slot 123, ejection angle lean against adjustment actuator and keep release the lock state, at this time fixing piece 220 and adjustment part 120
It can be pivoted relative to each other to adjust the angle leaned against；And when locating part 1300 is moved to locating part 1300 and positioning with adjustment part 120
When part 700 is staggered, locating piece 700 is able to enter in angle limit slot 123, and angle leans against adjustment actuator in elastic card at this time
Lock state is kept under the action of conjunction actuator 530, the locked limit of the angle leaned against at this time.
More specifically, locating part 1300 is along the direction elasticity setting towards pivot axis, to limit 700 entering angle of locating piece
Spend limiting slot 123.That is, locating part 1300 is along the direction setting perpendicular to pivot axis, wherein for stretching out angle limit slot
The part locating part 1300 in 123 outsides, is arranged with elastic drive part between 123 inner wall of Yu Dingwei ear and locating part 1300
1301, so that locating part 1300 is permanent to have the movement trend mobile to pivot axis, thus via locating part 1300 towards pivot
Frictional force between one end and locating piece 700 of shaft axis achievees the purpose that locating piece 700 is stopped to protrude into angle limit slot 123.
Locating piece 700 should be at the position of 123 one end of face angle limit slot；When locating piece 700 is in ejection
When chair angle adjusts actuator 500, is detached from the state of angle limit slot 123, locating part 1300 can be in the band of adjustment part 120
It is moved back and forth under dynamic in mobile in angle limit slot 123, to adjust the tilt angle of back frame 200；When locating part 1300 is being adjusted
When being moved to the one end of remotely located part 700 in angle limit slot 123 under the drive of one integral piece 120, locating piece 700 can be protruded into
Into angle limit slot 123, the pivot of chair angle adjustment at this time actuator 500 movement limitation lower bracket 100 and back frame 200
Turn, is maintained at target angle so that leaning against.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be practical new to limit this with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (10)
1. a kind of chair angle adjustment mechanism, be set to can the lower bracket of folding perambulator and the articulated section of back frame, feature
It is, the chair angle adjustment mechanism includes fixing piece, adjustment part, chair angle adjustment actuator and bayonet lock, the fixation
Part is fixedly installed on the lower bracket end, and the adjustment part is fixedly installed on the back frame end, and the fixing piece and
The adjustment part can be pivoted relative to each other；The fixing piece offers through hole, and the bayonet lock is plugged in the through hole and the card
One end of pin is connected to the chair angle adjustment actuator, and the other end of the bayonet lock extend out to the adjustment part；The tune
One integral piece corresponds to the bayonet lock and offers several adjusting holes, and the chair angle adjustment actuator with the bayonet lock in abutting against
Side offers the drive surface for driving the bayonet lock to protrude into or exit the adjusting hole.
2. chair angle adjustment mechanism as described in claim 1, which is characterized in that be additionally provided at the bayonet lock so that described
Bayonet lock perseverance has the elastic component for the movement trend for exiting the adjusting hole.
3. chair angle adjustment mechanism as claimed in claim 2, which is characterized in that the bayonet lock is towards the chair angle tune
One end of whole actuator is provided with First terrace, and the fixing piece is provided with second step face, and the elastic component is socketed on institute
It states on the outside of bayonet lock and both ends is connected to the First terrace and the second step face respectively.
4. chair angle adjustment mechanism as described in claim 1, which is characterized in that the drive surface is moved along the bayonet lock
Direction is provided with locking bit and release the lock position, and chair angle adjustment actuator perseverance has the holding locking bit and the card
Sell the movement trend of the position abutted against.
5. chair angle adjustment mechanism as claimed in claim 4, which is characterized in that the chair angle adjustment mechanism further includes
The locating piece of the chair angle adjustment actuator rotation is driven, so that chair angle adjustment actuator is rotated to described
The position that release the lock position and the bayonet lock abut against.
6. chair angle adjustment mechanism as claimed in claim 5, which is characterized in that the chair angle adjustment actuator is around pivot
Shaft axis is provided with the driving flank of tooth, and the locating piece is correspondingly arranged on sliding tooth；The locating piece is adjusted in the chair angle
The pivotal orientation of actuator is limited, when the locating piece stress to the direction movement close to chair angle adjustment actuator
When, the chair angle adjustment actuator rotation is driven via the sliding tooth and the driving flank of tooth.
7. chair angle adjustment mechanism as claimed in claim 6, which is characterized in that the chair angle adjusts actuator and includes
It is set to the drive surface of outer ring and is provided with the driving flank of tooth of inner ring, and the drive surface and the driving flank of tooth are in
Circularly it is arranged with one heart.
8. chair angle adjustment mechanism as claimed in claim 4, which is characterized in that the chair angle adjustment actuator setting
In in the lower bracket and the articulating joints of the back frame, and chair angle adjustment actuator and the articulating joints
The position for driving the chair angle adjustment actuator that the locking bit and the bayonet lock is kept to abut against is additionally provided between inner wall
The elastic engaging actuator for the movement trend set.
9. chair angle adjustment mechanism as claimed in claim 5, which is characterized in that the chair angle adjustment mechanism further includes
Release the lock part is leaned against, the release the lock part that leans against deviates from described in the side ejection of chair angle adjustment actuator in the locating piece
Locating piece is mobile to the direction for adjusting actuator close to the chair angle.
10. chair angle adjustment mechanism as described in claim 1, which is characterized in that the through hole is in symmetrically to offer
Two, two bayonet lock correspondences are plugged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538746.8U CN209079968U (en) | 2018-09-19 | 2018-09-19 | Chair angle adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538746.8U CN209079968U (en) | 2018-09-19 | 2018-09-19 | Chair angle adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209079968U true CN209079968U (en) | 2019-07-09 |
Family
ID=67117156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821538746.8U Active CN209079968U (en) | 2018-09-19 | 2018-09-19 | Chair angle adjustment mechanism |
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| CN (1) | CN209079968U (en) |
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| CN110466397A (en) * | 2019-08-21 | 2019-11-19 | 东莞金旺儿童用品有限公司 | a safety seat |
| CN112141201A (en) * | 2019-06-28 | 2020-12-29 | 明门瑞士股份有限公司 | Infant carrier and backrest adjusting mechanism thereof |
| WO2021105945A1 (en) * | 2019-11-27 | 2021-06-03 | 明门瑞士股份有限公司 | Child seat frame and compact foldable stroller |
| CN113335362A (en) * | 2020-03-03 | 2021-09-03 | 明门瑞士股份有限公司 | Car handle height adjusting mechanism and baby carrier |
| TWI760142B (en) * | 2020-03-16 | 2022-04-01 | 瑞士商明門瑞士股份有限公司 | Adapter device and connecting mechanism thereof |
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| CN112141201A (en) * | 2019-06-28 | 2020-12-29 | 明门瑞士股份有限公司 | Infant carrier and backrest adjusting mechanism thereof |
| CN110466397A (en) * | 2019-08-21 | 2019-11-19 | 东莞金旺儿童用品有限公司 | a safety seat |
| US12179826B2 (en) * | 2019-11-27 | 2024-12-31 | Wonderland Switzerland Ag | Child seat frame and compact collapsible stroller |
| WO2021105945A1 (en) * | 2019-11-27 | 2021-06-03 | 明门瑞士股份有限公司 | Child seat frame and compact foldable stroller |
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| CN113335362B (en) * | 2020-03-03 | 2023-09-12 | 明门瑞士股份有限公司 | Rider height adjustment mechanism and infant carrier |
| CN113335362A (en) * | 2020-03-03 | 2021-09-03 | 明门瑞士股份有限公司 | Car handle height adjusting mechanism and baby carrier |
| JP2023517969A (en) * | 2020-03-16 | 2023-04-27 | ワンダーランド スイツァーランド アーゲー | Adapter device and its connection mechanism |
| TWI760142B (en) * | 2020-03-16 | 2022-04-01 | 瑞士商明門瑞士股份有限公司 | Adapter device and connecting mechanism thereof |
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| CN116101353A (en) * | 2021-11-10 | 2023-05-12 | 明门瑞士股份有限公司 | baby carrier |
| JP2024544949A (en) * | 2021-11-10 | 2024-12-05 | ワンダーランド スイツァーランド アーゲー | Baby Carrier |
| CN116101353B (en) * | 2021-11-10 | 2025-09-05 | 明门瑞士股份有限公司 | Baby carrier |
| WO2024018076A3 (en) * | 2022-07-21 | 2024-02-29 | Wonderland Switzerland Ag | Baby carrier and swing mechanism |
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