CN207747926U - A kind of children trolley backrest stretching structure - Google Patents
A kind of children trolley backrest stretching structure Download PDFInfo
- Publication number
- CN207747926U CN207747926U CN201721066334.4U CN201721066334U CN207747926U CN 207747926 U CN207747926 U CN 207747926U CN 201721066334 U CN201721066334 U CN 201721066334U CN 207747926 U CN207747926 U CN 207747926U
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- CN
- China
- Prior art keywords
- back support
- support bar
- backrest
- hinged
- bar
- 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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- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a kind of children trolley backrest stretching structures,Including left back support bar,Lower-left connecting rod,Left backrest lower link,Left swing bar,Left lengthening back support bar,Right lengthening back support bar,Right swing rod,Bottom right connector,Right backrest lower link and right back support bar,The left swing bar and the left backrest lower link and same position in the left back support bar are hinged,The other end of the left swing bar and described left one end for lengthening back support bar are hinged,The other end of the left backrest lower link is hinged with one end of the bottom right connector,The other end of the bottom right connector is hinged with the right back support bar,The structure design of the utility model is reasonable,By in left back support bar,Lower-left connecting rod,Left backrest lower link,Left swing bar,Left lengthening back support bar,Right lengthening back support bar,Right swing rod,Bottom right connector,The structure design of hinged connection type is all made of between right backrest lower link and right back support bar,It can make present apparatus more compact structure and fold more convenient.
Description
Technical field
The utility model is related to a kind of children trolley backrest stretching structures, belong to children trolley technical field.
Background technology
Children trolley is baby's " vehicles ", and someone is needed to assist to push or haul the car that can just walk, children
Cart has had more than 300 years or more history, but there was only for more than ten years in the appearance of China so far originating from Europe, and
Present China has become maximum perambulator manufacturing nation in the world, some external sub-standard and forbidden vehicles of safety, but
It is flooded with domestic market, threatens the safety of baby at any time.Nowadays on the market children trolley be broadly divided into be suitble to it is general at home,
Outgoing long-time uses luxury（Divide full rest, semi-lying）And light-weight type which emphasizes being light and suitable for regular trips（Also known as umbrella car）.
Separately there is one kind being acting exclusively on open air, tire is larger（Such as the inflatable tire of bicycle）The tricycle of baby's running can be pushed.But
The folding back structure of traditional children trolley is excessively complicated, and volume is still very big after folding shrinking, influences to carry.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of children trolley and leans on dorsiflexion
Shrinking structure.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of children trolley backrest stretching structure of the utility model, including connect under left back support bar, lower-left connecting rod, left backrest
Bar, left swing bar, left lengthening back support bar, right lengthening back support bar, right swing rod, bottom right connector, right backrest lower link and right back support bar,
The left swing bar and the left backrest lower link are hinged with same position in the left back support bar, the other end of the left swing bar with
Described left one end for lengthening back support bar is hinged, and the other end of the left backrest lower link is cut with scissors with one end of the bottom right connector
It connects, the other end of the bottom right connector and the right back support bar are hinged, the right swing rod and the right backrest lower link and institute
It is hinged to state same position in right back support bar, the other end of the right swing rod and described right one end for lengthening back support bar are hinged, described
The other end of right backrest lower link and one end of the lower-left connecting rod are hinged, the other end and the left side of the lower-left connecting rod
Back support bar is hinged.
Preferably, the left swing bar and the left backrest lower link and the hinged place of the left back support bar are located at the lower-left
The top of connecting rod and the hinged place of the left back support bar, the right swing rod and the right backrest lower link and the right back support bar
Hinged place be located at the bottom right connector and the right back support bar hinged place top.
Preferably, the left backrest lower link hypomere is equipped with rotating connector, and the left backrest lower link hypomere is by turning
Follower link is connect with the right backrest lower link hypomere.
Preferably, the interface point on the hinge joint and the right back support bar in the left back support bar is circle with rotating connector
The heart is symmetrical arranged.
The advantageous effect that the utility model is reached is：
1, the structure design of the utility model is reasonable, by left back support bar, lower-left connecting rod, left backrest lower link, left swing
It is adopted between bar, left lengthening back support bar, right lengthening back support bar, right swing rod, bottom right connector, right backrest lower link and right back support bar
With the structure design of hinged connection type, present apparatus more compact structure can be made and folded to be more convenient, and do not influence to carry.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model in the deployed state；
Fig. 2 is structural schematic diagram of the utility model under folding shrinking state.
In figure：1, left back support bar；2, lower-left connecting rod；3, left backrest lower link；4, left swing bar；5, left lengthening back support bar；
6, right lengthening back support bar；7, right swing rod；8, bottom right connector；9, right backrest lower link；10, right back support bar.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs. 1-2, a kind of children trolley backrest stretching structure, including left back support bar 1, lower-left connecting rod 2, a left side
Backrest lower link 3, left swing bar 4, left lengthening back support bar 5, right lengthening back support bar 6, right swing rod 7, bottom right connector 8, the right side
On backrest lower link 9 and right back support bar 10, the left swing bar 4 and the left backrest lower link 3 and the left back support bar 1
Same position is hinged, and the other end of the left swing bar 4 and described left one end for lengthening back support bar 5 are hinged, under the left backrest
The other end of connecting rod 3 and one end of the bottom right connector 8 are hinged, and the other end and the right side of the bottom right connector 8 are leaned on
It is hinged to carry on the back bar 10, the right swing rod 7 and the right backrest lower link 9 are hinged with same position in the right back support bar 10,
The other end of the right swing rod 7 and described right one end for lengthening back support bar 6 are hinged, the other end of the right backrest lower link 9
Hinged with one end of the lower-left connecting rod 2, the other end of the lower-left connecting rod 2 is hinged with the left back support bar 1.
The left swing bar 4 and the left backrest lower link 3 and the hinged place of the left back support bar 1 are located at the lower-left
The top of the hinged place of connecting rod 2 and the left back support bar 1, the right swing rod 7 and the right backrest lower link 9 with it is described
The hinged place of right back support bar 10 is located at the top of the bottom right connector 8 and the hinged place of the right back support bar 10, the left side
3 hypomere of backrest lower link is equipped with rotating connector, and left 3 hypomere of backrest lower link passes through rotating connector 0 and the right side
9 lower link hypomere of backrest connects, and the interface point on hinge joint and the right back support bar 10 in the left back support bar 1 is to rotate
Connector is symmetrical arranged for the center of circle.
Operation principle：When the present apparatus needs to carry out folding shrinking, while 1 He of left back support bar is pushed respectively with two hands
Right back support bar 10 mutually squeezes, under force lower-left connecting rod 2, left backrest lower link 3, left swing bar 4, right pendulum
Bar 7, bottom right connector 8, right backrest lower link 9 using with the hinge joint in left back support bar 1 and right back support bar 10 as the center of circle
It is rotated down, to complete the folding shrinking of whole device, when the present apparatus is unfolded, also only needs with two hands point
Left back support bar 1 and right back support bar 10 is not pushed mutually to pull open, such structure design makes the present apparatus fold more convenient,
And volume after folding smaller, it does not influence to carry.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of children trolley backrest stretching structure, including left back support bar（1）, lower-left connecting rod（2）, left backrest lower link（3）、
Left swing bar（4）, left lengthening back support bar（5）, right lengthening back support bar（6）, right swing rod（7）, bottom right connector（8）, connect under right backrest
Bar（9）With right back support bar（10）, it is characterised in that：The left swing bar（4）With the left backrest lower link（3）With the left backrest
Bar（1）Upper same position is hinged, the left swing bar（4）The other end and the left lengthening back support bar（5）One end it is hinged, it is described
Left backrest lower link（3）The other end and the bottom right connector（8）One end it is hinged, the bottom right connector（8）It is another
End and the right back support bar（10）It is hinged, the right swing rod（7）With the right backrest lower link（9）With the right back support bar（10）
Upper same position is hinged, the right swing rod（7）The other end and the right lengthening back support bar（6）One end it is hinged, the right side is leaned on
Carry on the back lower link（9）The other end and the lower-left connecting rod（2）One end it is hinged, the lower-left connecting rod（2）The other end with
The left back support bar（1）It is hinged.
2. according to a kind of children trolley backrest stretching structure described in claim 1, it is characterised in that：The left swing bar（4）
With the left backrest lower link（3）With the left back support bar（1）Hinged place be located at the lower-left connecting rod（2）It is leaned on the left side
Carry on the back bar（1）Hinged place top, the right swing rod（7）With the right backrest lower link（9）With the right back support bar（10）'s
Hinged place is located at the bottom right connector（8）With the right back support bar（10）Hinged place top.
3. according to a kind of children trolley backrest stretching structure described in claim 1, it is characterised in that：Connect under the left backrest
Bar（3）Hypomere is equipped with rotating connector, the left backrest lower link（3）Hypomere is connected by rotating connector under the right backrest
Bar（9）Hypomere connects.
4. according to a kind of children trolley backrest stretching structure described in claim 1, it is characterised in that：The left back support bar
（1）On hinge joint and the right back support bar（10）On interface point using rotating connector as the center of circle be symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066334.4U CN207747926U (en) | 2017-08-24 | 2017-08-24 | A kind of children trolley backrest stretching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066334.4U CN207747926U (en) | 2017-08-24 | 2017-08-24 | A kind of children trolley backrest stretching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207747926U true CN207747926U (en) | 2018-08-21 |
Family
ID=63146565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721066334.4U Expired - Fee Related CN207747926U (en) | 2017-08-24 | 2017-08-24 | A kind of children trolley backrest stretching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207747926U (en) |
-
2017
- 2017-08-24 CN CN201721066334.4U patent/CN207747926U/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: 20180821 |