CN208278145U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN208278145U CN208278145U CN201820780788.6U CN201820780788U CN208278145U CN 208278145 U CN208278145 U CN 208278145U CN 201820780788 U CN201820780788 U CN 201820780788U CN 208278145 U CN208278145 U CN 208278145U
- Authority
- CN
- China
- Prior art keywords
- support bar
- children trolley
- back support
- bar
- rotatablely connected
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of children trolley, front-wheel (1a) is connected on foreleg (1)；It is connected on back leg (2) rear-wheel (2a), and back leg (2) and foreleg (1) are rotatablely connected；Front strut (3) lower end and back leg (2) upper end are rotatablely connected；It is rotatablely connected on handspike (4) and close to lower end position and front strut (3) upper end；Rear pole (5) upper end and handspike (4) lower end are rotatablely connected, on rear pole (5) and hinged in the middle part of lower end position and back leg (2)；Front rod (6) front end and foreleg (1) are rotatablely connected, and 6 rear end of front rod () and rear pole (5) lower end are rotatablely connected；It is hinged in the middle part of mounting bar (7) rear portion and rear pole (5)；The upper connecting rod (8) hinged with the two is equipped between the front and back leg (2) of mounting bar (7).The utility model structure is simple, easy to operate, and volume after folding is small, easy to carry.
Description
[technical field]
The utility model relates to a kind of children trolleys.
[background technique]
Currently, children trolley has become child's article indispensable in developmental process.Children trolley one in the market
As can be folded or be unfolded, but the structure of existing children trolley is sufficiently complex, causes perambulator heavy, volume after folding
Greatly, it has not been convenient to carry.
Therefore, the utility model is based on above deficiency and generates.
[utility model content]
The utility model aim is to overcome the deficiencies in the prior art, and it is simple to provide a kind of structure, easy to operate, after folding
It is small in size, portable children trolley.
The utility model is achieved through the following technical solutions:
A kind of children trolley can be moved to folding position from expanded position after locking device unlock, it is characterised in that: packet
It includes:
Foreleg 1 is connected with front-wheel 1a on the foreleg 1；
Back leg 2 is connected with rear-wheel 2a on the back leg 2, and the back leg 2 and foreleg 1 are rotatablely connected；
Front strut 3,3 lower end of front strut and 2 upper end of back leg are rotatablely connected；
Handspike 4 is rotatablely connected on the handspike 4 and close to lower end position and 3 upper end of front strut；
Rear pole 5,5 upper end of rear pole and 4 lower end of handspike are rotatablely connected, on the rear pole 5 and close
Lower end position and 2 middle part of back leg are hinged；
Front rod 6,6 front end of front rod and foreleg 1 are rotatablely connected, under 6 rear end of front rod and rear pole 5
End rotation connection；
Mounting bar 7,7 rear portion of mounting bar and 5 middle part of rear pole are hinged；The front of the mounting bar 7 and back leg 2
Between be equipped with the upper connecting rod 8 hinged with the two.
Children trolley as described above, it is characterised in that: the front strut 3 and back leg 2 are rotatablely connected position and form the
One hinge joint A, the rear pole 5 and back leg 2 are rotatablely connected position and form the second hinge joint B, the upper connecting rod 8 and back leg
2 rotation connection positions formed third hinge joint C, the third hinge joint C be located at the second hinge joint B and the first hinge joint A it
Between.
Children trolley as described above, it is characterised in that: the arc-shaped structure of upper connecting rod 8, and be open towards youngster
The front of virgin cart.
Children trolley as described above, it is characterised in that: the children trolley further includes preceding armrest assembly, before described
Armrest assembly includes handrail side lever 91, and 91 lower end of handrail side lever and the hinged seat 92 for being located at 7 middle part of mounting bar are hinged, institute
It is additionally provided between the handrail side lever 91 stated and upper connecting rod 8 and the hinged ribbed insert 93 of the two, 91 upper end of handrail side lever
It is connected with U-shaped handrail holding rod 94.
Children trolley as described above, it is characterised in that: the arc-shaped structure of ribbed insert 93, and the direction that is open
The front of children trolley.
Children trolley as described above, it is characterised in that: the children trolley further includes backrest structure, the backrest
Structure includes the back seat 101 that present 7 rear end of hack lever is arranged, and the back seat 101 is equipped with the backrest that can be rotated to it
Bar 102 is equipped with the angle adjustment device 103 for adjusting 102 angle of back support bar between the back support bar 102 and back seat 101.
Children trolley as described above, it is characterised in that: the angle adjustment device 103 includes being set in back support bar
The sliding sleeve 1031 that simultaneously opposite about 102 back support bar of energy slides on 102, the sliding sleeve 1031 are equipped with lateral protrusion axle
1032, the back seat 101 is equipped with when pushing back support bar 102 forward can be for multiple ratchet slots that protrusion axle 1032 is caught in
1033, being additionally provided in the back support bar 102 can make protrusion axle 1032 keep the spring 1034 engaged with ratchet slot 1033.
Children trolley as described above, it is characterised in that: the back support bar 102 is equipped with strip-shaped hole 1035, described
Sliding sleeve 1031 be equipped with across strip-shaped hole 1035 and can in strip-shaped hole 1035 the upper and lower pin shaft 1036 that slide, the backrest
Bar 102 is equipped with lateral connecting shaft 1037, and the spring 1034 is tension spring, and described tension spring one end hangs over pin shaft
On 1036, the other end is hung in connecting shaft 1037.
Children trolley as described above, it is characterised in that: the back support bar 102 is in U-shape, in the back support bar 102
End is equipped with the rotary buckle 1038 that can be rotated to it, and is equipped between the rotary buckle 1038 and sliding sleeve 1031 in rotary buckle
The drag-line that stretchy sliding sleeve 1031 slides when 1038 rotation.
Compared with prior art, the utility model has the following advantages:
1, the utility model children trolley pushes forward handspike and applies down force to handspike when folding,
Therefore, the lower end of handspike moved beneath backward, drive front strut upper end, the upper end of rear pole moves downward and gradually to rear-wheel
Close, rear pole upper end rear pole into rear-wheel approach process is rotated relative to back leg, and rear pole lower end is upturned, back brace
Bar lower end allows for lower link rear end and moves up, and folds to pull foreleg to draw close to back leg by lower link, same with this
When, rear pole pulls mounting rod rear end moved beneath backward, and just opposite back leg turns the upper connecting rod between mounting bar front and back leg
Dynamic, so that mounting bar is also drawn close to back leg and folded, for entire folding process by the cooperation of link mechanism, folding is smooth,
And it is small in size after the completion of folding, it is easy to carry.
2, the front strut of the utility model and back leg rotation connection position form the first hinge joint, and rear pole and back leg rotate
Link position forms the second hinge joint, and upper connecting rod and back leg rotation connection position form third hinge joint, and third hinge joint is located at
Between second hinge joint and the first hinge joint.Therefore, entire children trolley very flexible smooth, operation side in folding process
Just quick.
3, the preceding armrest assembly of the utility model includes handrail side lever, handrail side lever lower end and the hinge being located in the middle part of mounting bar
Joint chair is hinged, the ribbed insert hinged with the two is additionally provided between handrail side lever and upper connecting rod, handrail side lever upper end is connected with U-shaped
Handrail holding rod.Therefore, when children trolley folds, hinged seat is with mounting bar moved beneath backward, ribbed insert and upper connecting rod
It rotates with handrail side lever connecting position, so that handrail side lever is close to mounting bar and the close shape parallel with mounting bar
State, armrest assembly follows folding before enabling when children trolley folds, and does not need to dismantle preceding armrest assembly, operation is unusual
It is convenient and efficient.
4, the backrest structure of the utility model includes the back seat that present hack lever rear end is arranged, and back seat is equipped with can be opposite
Its back support bar rotated is equipped with the angle adjustment device for adjusting back support bar angle between back support bar and back seat.Pass through angle tune
The angle of the adjustable back support bar of regulating device, to can guarantee that the children in children trolley are adjusted as needed to comfortable position.
For example, back support bar to be just transferred to more vertical position when child wants are uprightly seated, such as when child wants semi-lying, then by backrest
Bar rotation, which is adjusted, arrives flatter position.It can freely adjust as needed in this way, meet the needs of user.
5, the angle adjustment device of the utility model includes being set in back support bar and capable of sliding above and below opposite back support bar
Sliding sleeve, sliding sleeve are equipped with lateral protrusion axle, and back seat is equipped with can be caught in when pushing back support bar forward for protrusion axle
Multiple ratchet slots, being additionally provided in back support bar can make protrusion axle keep the spring engaged with ratchet slot.Because being arranged on back seat
Multiple ratchet slots, so only back support bar need to be pushed forward when needing to turn down the angle between back support bar and mounting bar,
When pushing, the cell wall of protrusion axle and ratchet slot on sliding sleeve cooperates, and protrusion axle is slided along ratchet groove groove wall, sliding sleeve
Opposite back support bar is slided, camber of spring, when protrusion axle, which is moved to, to be aligned with ratchet slot, spring reset, and protrusion axle and ratchet slot
Engaging, back support bar is positioned at this time.And when back support bar will tune up the angle between mounting bar, it cannot pull immediately rearward
Back support bar needs to apply external force and slide sliding sleeve upwards with respect to back support bar at this time, so that protrusion axle is exited out of ratchet slot,
Then it pulls back support bar backward again, when back support bar rotates backward to suitable position, unclamps sliding sleeve, spring resets again and makes to slide
The dynamic above protrusion axle that covers engages with ratchet slot.Total design is simple and ingenious, and operating process is convenient and efficient in the extreme.
6, the back support bar of the utility model is in U-shape, and back support bar upper end is equipped with the rotary buckle that can be rotated to it, rotary buckle
The drag-line that stretchy sliding sleeve slides in rotary buckle rotation is equipped between sliding sleeve.When needing to adjust back support bar backward,
Upward rotary motion button is only needed, pulls sliding sleeve to slide upwards by the drag-line between rotary buckle and sliding sleeve, to make backrest
Bar and back seat unlock, and after back support bar rotates backward to suitable position, rotary buckle are rotated and is resetted, sliding sleeve just fortune downwards again
Dynamic, the protrusion axle on sliding sleeve just engages with ratchet slot again and positions back support bar.
7, the utility model structure is simple, easy to operate, and volume after folding is small, can be placed in air baggage frame or vapour
It is easy to carry in boot, it is suitble to promote and apply.
[Detailed description of the invention]
Fig. 1 is the utility model perspective view；
Fig. 2 is the utility model unfolded state side view；
Fig. 3 is one of the side view in the utility model folding process；
Fig. 4 is two of the side view in the utility model folding process；
Fig. 5 is the cross-sectional view of the utility model；
Fig. 6 is the perspective view of the component of the utility model；
Fig. 7 is the enlarged view in Fig. 6 at A；
Fig. 8 is the perspective view of the sliding sleeve of the utility model；
Fig. 9 is the cross-sectional view of the component of the utility model.
[specific embodiment]
The utility model is further described with reference to the accompanying drawing:
As shown in Figures 1 to 5, a kind of children trolley can be moved to folding position from expanded position after locking device unlock
It sets, comprising:
Foreleg 1 is connected with front-wheel 1a on the foreleg 1；
Back leg 2 is connected with rear-wheel 2a on the back leg 2, and the back leg 2 and foreleg 1 are rotatablely connected；
Front strut 3,3 lower end of front strut and 2 upper end of back leg are rotatablely connected；
Handspike 4 is rotatablely connected on the handspike 4 and close to lower end position and 3 upper end of front strut；
Rear pole 5,5 upper end of rear pole and 4 lower end of handspike are rotatablely connected, on the rear pole 5 and close
Lower end position and 2 middle part of back leg are hinged；
Front rod 6,6 front end of front rod and foreleg 1 are rotatablely connected, under 6 rear end of front rod and rear pole 5
End rotation connection；
Mounting bar 7,7 rear portion of mounting bar and 5 middle part of rear pole are hinged；The front of the mounting bar 7 and back leg 2
Between be equipped with the upper connecting rod 8 hinged with the two.
As shown in Figures 2 to 4, children trolley unlocks locking device first when folding, and locking device can be using biography
The locking structure of such as hook and axis cooperation in structure of uniting pushes forward handspike 4 and opponent after locking device unlock
Push rod 4 applies down force, and therefore, the lower end of handspike 4 moved beneath backward drives 3 upper end of front strut, rear pole 5
Upper end moves downward and gradually close to rear-wheel 2a, the opposite back leg 2 of 5 upper end of rear pole rear pole 5 into rear-wheel 2a approach process
Rotation, and 5 lower end of rear pole is upturned, and 5 lower end of rear pole allows for 6 rear end of lower link and moves up, thus under passing through
Connecting rod 6 pulls foreleg 1 to draw close and fold to back leg 2, and at the same time, rear pole 5 pulls 7 rear end of mounting bar moved beneath backward,
The just opposite rotation of back leg 2 of upper connecting rod 8 between 7 front of mounting bar and back leg 2 so that mounting bar 7 also draw close to back leg 2 and
It folds, for entire folding process by the cooperation of link mechanism, folding is smooth, and small in size after the completion of folding, easy to carry.
As shown in Fig. 2, the front strut 3 and back leg 2, which are rotatablely connected position, forms the first hinge joint A, the back brace
Bar 5 and back leg 2 are rotatablely connected position and form the second hinge joint B, and the upper connecting rod 8 and back leg 2 are rotatablely connected position and form the
Three hinge joint C, the third hinge joint C is between the second hinge joint B and the first hinge joint A.Therefore, entire children trolley
It is very flexibly smooth in folding process, it is easy to operate.
As shown in figure 5, the arc-shaped structure of upper connecting rod 8, and be open towards the front of children trolley, so that children
Cart runs smooth no clamping stagnation when folding.
As shown in Figures 1 to 5, the children trolley further includes preceding armrest assembly, and the preceding armrest assembly includes helping
Hand side lever 91,91 lower end of the handrail side lever handrail side lever 91 hinged, described with the hinged seat 92 for being located at 7 middle part of mounting bar
The ribbed insert 93 hinged with the two is additionally provided between upper connecting rod 8,91 upper end of handrail side lever is connected with U-shaped handrail and holds
Bar 94.Therefore, when children trolley folds, hinged seat 92 is with the moved beneath backward of mounting bar 7, ribbed insert 93 and upper connecting rod
8 and 91 connecting position of handrail side lever rotate so that handrail side lever 91 close to mounting bar 7 and close to and mounting bar 7
Parallel state, armrest assembly follows folding before enabling when children trolley folds, and does not need to dismantle preceding armrest assembly, grasps
Make very convenient quick.
As shown in figure 5, the arc-shaped structure of ribbed insert 93, and be open towards the front of children trolley, so that
Children trolley runs smooth no clamping stagnation when folding.
As shown in Figure 1 and Figure 5, the children trolley further includes backrest structure, and the backrest structure includes that setting exists
The back seat 101 of 7 rear end of mounting bar, the back seat 101 are equipped with the back support bar 102 that can be rotated to it, and described leans on
Carry on the back the angle adjustment device 103 for being equipped between bar 102 and back seat 101 and adjusting 102 angle of back support bar.Pass through angle adjustment device
The angle of adjustable back support bar 102, to can guarantee that the children in children trolley are adjusted as needed to comfortable position.Example
Such as, when child wants are uprightly seated, back support bar 102 is just transferred to more vertical position, such as when child wants semi-lying, then by backrest
The rotation of bar 102, which is adjusted, arrives flatter position.
As shown in Figure 6 to 8, the angle adjustment device 103 includes being set in back support bar 102 the opposite backrest of simultaneously energy
The sliding sleeve 1031 that about 102 bar slides, the sliding sleeve 1031 are equipped with lateral protrusion axle 1032, the back seat
101 be equipped with forward push back support bar 102 when can be for multiple ratchet slots 1033 that protrusion axle 1032 is caught in, the back support bar
Being additionally provided in 102 can make protrusion axle 1032 keep the spring 1034 engaged with ratchet slot 1033.Because being provided on back seat 101
Multiple ratchet slots 1033, so need to only push backrest forward when needing to turn down the angle between back support bar 102 and mounting bar 7
Bar 102, when pushing, the cell wall of protrusion axle 1032 and ratchet slot 1033 on sliding sleeve 1031 cooperates, protrusion axle
1032 slide along 1033 cell wall of ratchet slot, and sliding sleeve 1031 is slided with respect to back support bar 102, and spring 1034 deforms, and work as protrusion axle
1032 are moved to when being aligned with ratchet slot 1033, and spring 1034 resets, and protrusion axle 1032 engages with ratchet slot 1033, at this time backrest
Bar 102 is positioned.And when back support bar 102 will tune up the angle between mounting bar 7, back support bar cannot be pulled immediately rearward
102, it needs to apply external force at this time and slides sliding sleeve 1031 upwards with respect to back support bar 102, so that protrusion axle 1032 is from ratchet
It is exited in slot 1033, then pulls back support bar 102 backward again, when back support bar 102 rotates backward to suitable position, unclamp sliding
Set 1031, spring 1034 reset again and engage the protrusion axle 1032 on sliding sleeve 1031 with ratchet slot 1033.Total is set
Count simple and ingenious, operating process is convenient and efficient in the extreme.
As shown in figure 9, the back support bar 102 be equipped with strip-shaped hole 1035, the sliding sleeve 1031 be equipped with across
Strip-shaped hole 1035 and the pin shaft 1036 that can be slided up and down in strip-shaped hole 1035, the back support bar 102 is equipped with lateral company
Spindle 1037, the spring 1034 is tension spring, and described tension spring one end is hung on pin shaft 1036, and the other end hangs over connection
On axis 1037.When sliding sleeve 1031 slides upwards with respect to back support bar 102, pin shaft 1036 is just transported in strip-shaped hole 1035 upwards
Dynamic, tension spring is elongated, and when the protrusion axle 1032 on sliding sleeve 1031 engages with ratchet slot 1033, tension spring resets and to protrude
Axis 1032 engages with the holding of ratchet slot 1033, prevents the protrusion axle 1032 on sliding sleeve 1031 from accidentally deviating from out of ratchet slot 1033.
As shown in Figure 2 and Figure 6, the back support bar 102 is in U-shape, and 102 upper end of back support bar is equipped with can its opposite turn
It is sliding to be equipped with the stretchy when rotary buckle 1038 rotates for dynamic rotary buckle 1038 between the rotary buckle 1038 and sliding sleeve 1031
The drag-line (being not drawn into figure) that dynamic set 1031 slides.When needing to adjust back support bar 102 backward, upward rotary motion button is only needed
1038, pull sliding sleeve 1031 to slide upwards by the drag-line between rotary buckle 1038 and sliding sleeve 1031, to make back support bar
102 unlock with back seat 101, after back support bar 102 rotates backward to suitable position, rotary buckle 1038 are rotated and is resetted, sliding
Set 1031 just moves downward again, and the protrusion axle 1032 on sliding sleeve 1031 just engages with ratchet slot 1033 again and makes back support bar 102
Positioning.
Claims (9)
1. a kind of children trolley can be moved to folding position from expanded position after locking device unlock, it is characterised in that: packet
It includes:
Foreleg (1) is connected with front-wheel (1a) on the foreleg (1)；
Back leg (2) is connected with rear-wheel (2a) on the back leg (2), and the back leg (2) and foreleg (1) are rotatablely connected；
Front strut (3), the front strut (3) lower end and back leg (2) upper end are rotatablely connected；
Handspike (4) is rotatablely connected on the handspike (4) and close to lower end position and front strut (3) upper end；
Rear pole (5), the rear pole (5) upper end and handspike (4) lower end are rotatablely connected, on the rear pole (5) simultaneously
It is hinged in the middle part of lower end position and back leg (2)；
Front rod (6), the front rod (6) front end and foreleg (1) are rotatablely connected, the front rod (6) rear end and back brace
The rotation connection of bar (5) lower end；
Mounting bar (7), mounting bar (7) rear portion and rear pole (5) middle part are hinged；The front of the mounting bar (7) with
The upper connecting rod (8) hinged with the two is equipped between back leg (2).
2. children trolley according to claim 1, it is characterised in that: the front strut (3) and back leg (2) is rotatablely connected
Position forms the first hinge joint (A), and the rear pole (5) and back leg (2) rotation connection position form the second hinge joint (B),
The upper connecting rod (8) and back leg (2) rotation connection position form third hinge joint (C), and the third hinge joint (C) is located at
Between second hinge joint (B) and the first hinge joint (A).
3. children trolley according to claim 1, it is characterised in that: described upper connecting rod (8) the arc-shaped structure, and open
Mouthful towards the front of children trolley.
4. children trolley according to claim 1, it is characterised in that: the children trolley further includes preceding armrest assembly,
The preceding armrest assembly includes handrail side lever (91), handrail side lever (91) lower end and is located in the middle part of mounting bar (7)
Hinged seat (92) hingedly, is additionally provided with the ribbed insert hinged with the two between the handrail side lever (91) and upper connecting rod (8)
(93), described handrail side lever (91) upper end is connected with U-shaped handrail holding rod (94).
5. children trolley according to claim 4, it is characterised in that: described ribbed insert (93) the arc-shaped structure, and
And it is open towards the front of children trolley.
6. children trolley according to claim 1, it is characterised in that: the children trolley further includes backrest structure, institute
The backrest structure stated includes the back seat (101) that present hack lever (7) rear end is arranged, and the back seat (101) is equipped with can phase
The back support bar (102) rotated to it is equipped between the back support bar (102) and back seat (101) and adjusts back support bar (102) angle
The angle adjustment device (103) of degree.
7. children trolley according to claim 6, it is characterised in that: the angle adjustment device (103) includes being arranged
On back support bar (102) and can opposite back support bar (102) sliding sleeve (1031) that slide up and down, on the sliding sleeve (1031)
Equipped with lateral protrusion axle (1032), the back seat (101) is equipped with when pushing back support bar (102) forward can be for protrusion
Multiple ratchet slots (1033) that axis (1032) is caught in, interior be additionally provided with of the back support bar (102) can make protrusion axle (1032) and spine
Tooth socket (1033) keeps the spring (1034) of engaging.
8. children trolley according to claim 7, it is characterised in that: the back support bar (102) is equipped with strip-shaped hole
(1035), the sliding sleeve (1031) is equipped with across strip-shaped hole (1035) and upper and lower in strip-shaped hole (1035) can slide
Pin shaft (1036), the back support bar (102) are equipped with lateral connecting shaft (1037), and the spring (1034) is tension spring,
And described tension spring one end is hung on pin shaft (1036), and the other end is hung on connecting shaft (1037).
9. children trolley according to claim 7, it is characterised in that: the back support bar (102) is in U-shape, and described leans on
Back bar (102) upper end is equipped with the rotary buckle (1038) that can rotate to it, the rotary buckle (1038) and sliding sleeve (1031)
Between be equipped with stretchy sliding sleeve (1031) drag-line that slides when rotary buckle (1038) rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780788.6U CN208278145U (en) | 2018-05-23 | 2018-05-23 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780788.6U CN208278145U (en) | 2018-05-23 | 2018-05-23 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208278145U true CN208278145U (en) | 2018-12-25 |
Family
ID=64730748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820780788.6U Expired - Fee Related CN208278145U (en) | 2018-05-23 | 2018-05-23 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208278145U (en) |
-
2018
- 2018-05-23 CN CN201820780788.6U patent/CN208278145U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200523 |