CN207374470U - A kind of children trolley backrest stretching structure - Google Patents
A kind of children trolley backrest stretching structure Download PDFInfo
- Publication number
- CN207374470U CN207374470U CN201721109368.7U CN201721109368U CN207374470U CN 207374470 U CN207374470 U CN 207374470U CN 201721109368 U CN201721109368 U CN 201721109368U CN 207374470 U CN207374470 U CN 207374470U
- Authority
- CN
- China
- Prior art keywords
- back support
- support bar
- backrest
- hinged
- lower link
- 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.)
- Active
Links
Landscapes
- 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 are hinged with same position in the left back support bar,The other end of the left swing bar is hinged with described left one end for lengthening back support bar,One end of the other end and the bottom right connector of the left backrest lower link is hinged,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 mode is used 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 ", it is necessary to which someone assists to push or haul the car that can just walk, children
Cart originating from Europe, has had more than the history of 300 years or more, but there was only for more than ten years in the appearance of China so far, and
Present China has become perambulator manufacturing nation maximum in the world, some external sub-standard and forbidden vehicles of safety, but
Domestic market is flooded with, 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 to be acting exclusively on open air, tire is larger（Such as the inflatable tire of bicycle）The tricycle of baby's running can be promoted.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 the defects of overcoming the prior art, provides a kind of children trolley by dorsiflexion
Shrinking structure.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
A kind of children trolley backrest stretching structure of the utility model, including connecting 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 is hinged with the right back support bar, the right swing rod and the right backrest lower link and institute
It states same position in right back support bar to be hinged, the other end of the right swing rod is hinged with described right one end for lengthening back support bar, 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
Connecting rod and the top of 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 connected 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 using rotating connector as circle
The heart is symmetrical arranged.
The advantageous effect that the utility model is reached is：
1st, 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 mode, 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
New embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the structure diagram of the utility model in the deployed state；
Fig. 2 is structure diagram of the utility model under folding shrinking state.
In figure：The left back support bars of 1-, 2- lower-lefts connecting rod, the left backrest lower links of 3-, 4- left swing bars, the left lengthening back support bars of 5-,
The right lengthening back support bars of 6-, the right swing rods of 7-, 8- bottom rights connector, the right backrest lower links of 9-, the right back support bars of 10-.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected 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, 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, right backrest lower link 9
With right back support bar 10, the left swing bar 4 and the left backrest lower link 3 are hinged with same position in the left back support bar 1, described
The other end of left swing bar 4 and it is described it is left lengthen back support bar 5 one end be hinged, the other end of the left backrest lower link 3 with it is described
One end of bottom right connector 8 is hinged, and the other end of the bottom right connector 8 is hinged with the right back support bar 10, the right swing rod 7
It is hinged with the right backrest lower link 9 and same position in the right back support bar 10, the other end and the right side of the right swing rod 7
The one end for lengthening back support bar 6 is hinged, and the other end of the right backrest lower link 9 and one end of the lower-left connecting rod 2 are hinged, institute
The other end and the left back support bar 1 for stating lower-left connecting rod 2 are hinged.
The left swing bar 4 and the left backrest lower link 3 are located at the lower-left with the hinged place of the left back support bar 1 and are connected
Bar 2 and the top of the hinged place of the left back support bar 1, the right swing rod 7 and the right backrest lower link 9 and the right back support bar
10 hinged place is located at the bottom right connector 8 and the top of the hinged place of the right back support bar 10, the left backrest lower link 3
Hypomere is equipped with rotating connector, and left 3 hypomere of backrest lower link passes through rotating connector and right 9 hypomere of backrest lower link
It connects, the interface point on hinge joint and the right back support bar 10 in the left back support bar 1 is symmetrical by the center of circle of rotating connector
It sets.
Operation principle：When the present apparatus needs to carry out folding shrinking, while left back support bar 1 and the right side are promoted respectively with two hands
Back support bar 10 mutually squeezes, under force lower-left connecting rod 2, left backrest lower link 3, left swing bar 4, right swing rod 7, the right side
Lower connector 8, right backrest lower link 9 to be rotated down with the hinge joint in left back support bar 1 and right back support bar 10 as the center of circle, from
And the folding shrinking of whole device is completed, when the present apparatus is unfolded, also only need respectively a left side to be promoted to lean on two hands
Back of the body bar 1 and right back support bar 10 are mutually pulled open, such structure design, fold the present apparatus more convenient, and volume after folding
Smaller does not influence to carry.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, 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 can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Carry out equivalent substitution.Within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
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 be hinged, it is described
Left backrest lower link（3）The other end and the bottom right connector（8）One end be 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 be 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 be hinged, the lower-left connecting rod（2）The other end with
The left back support bar（1）It is hinged.
2. a kind of children trolley backrest stretching structure according to 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）With the left backrest
Bar（1）Hinged place top, the right swing rod（7）With the right backrest lower link（9）With the right back support bar（10）Hinge
It meets place and is located at the bottom right connector（8）With the right back support bar（10）Hinged place top.
3. a kind of children trolley backrest stretching structure according to claim 1, it is characterised in that：The left backrest lower link
（3）Hypomere is equipped with rotating connector, the left backrest lower link（3）Hypomere passes through rotating connector and the right backrest lower link
（9）Hypomere connects.
4. a kind of children trolley backrest stretching structure according to claim 1 or 3, it is characterised in that：The left back support bar
（1）On hinge joint and the right back support bar（10）On interface point be symmetrical arranged by the center of circle of rotating connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109368.7U CN207374470U (en) | 2017-08-31 | 2017-08-31 | A kind of children trolley backrest stretching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109368.7U CN207374470U (en) | 2017-08-31 | 2017-08-31 | A kind of children trolley backrest stretching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207374470U true CN207374470U (en) | 2018-05-18 |
Family
ID=62343244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721109368.7U Active CN207374470U (en) | 2017-08-31 | 2017-08-31 | A kind of children trolley backrest stretching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207374470U (en) |
-
2017
- 2017-08-31 CN CN201721109368.7U patent/CN207374470U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205854238U (en) | A kind of folding and expanding and handbarrow carried be easy to | |
| JP2017533143A (en) | Stroller that can be folded twice | |
| CN107757693B (en) | Baby carriage frame capable of realizing four folding | |
| CN207697787U (en) | A kind of go-cart for double child | |
| CN107933673B (en) | Go-cart for double child | |
| CN207374470U (en) | A kind of children trolley backrest stretching structure | |
| CN109334749A (en) | A kind of baby carriage frame and the perambulator equipped with the vehicle frame | |
| CN207747926U (en) | A kind of children trolley backrest stretching structure | |
| CN202806814U (en) | Double-X assembly for foldable baggage car and baggage car | |
| CN219134201U (en) | Folding cart | |
| CN108791456B (en) | Child cart | |
| CN207510489U (en) | A kind of folding mechanism for baby stroller | |
| CN209521744U (en) | A kind of baby carriage frame and the perambulator equipped with the vehicle frame | |
| CN208585304U (en) | A kind of children trolley | |
| CN207389413U (en) | A kind of foldable multifunctional carriage for children | |
| CN208682891U (en) | A kind of children trolley | |
| CN208198494U (en) | A kind of Pet car | |
| CN206813074U (en) | A kind of seat root and stem of certain plants of folding baby car | |
| CN202728468U (en) | Minitype multipurpose electrombile for short distance | |
| CN207274764U (en) | A kind of folding baby car skeleton | |
| CN207510488U (en) | A kind of Novel baby cart | |
| CN206734375U (en) | A kind of child's car skeleton | |
| CN205075875U (en) | Perambulator with stool | |
| CN207725465U (en) | A kind of perambulator with folding storage and height adjusting function | |
| CN209600589U (en) | Children trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |