CN112519864A - Three-section folding type children's carriage - Google Patents
Three-section folding type children's carriage Download PDFInfo
- Publication number
- CN112519864A CN112519864A CN202011527511.0A CN202011527511A CN112519864A CN 112519864 A CN112519864 A CN 112519864A CN 202011527511 A CN202011527511 A CN 202011527511A CN 112519864 A CN112519864 A CN 112519864A
- Authority
- CN
- China
- Prior art keywords
- push rod
- rotatably connected
- wheel bracket
- rear wheel
- bracket
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 4
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/10—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
Abstract
A three-section folding type children cart comprises a front wheel bracket, a rear wheel bracket, a lower push rod, a seat cushion mounting bracket, a first connecting sheet and a second connecting sheet; the top end of the front wheel bracket is rotationally connected with the top end of the rear wheel bracket, and the front end of the seat cushion mounting bracket is rotationally connected with the top end of the rear wheel bracket; the bottom end of the lower push rod is rotatably connected with the middle part of the rear wheel bracket; one end of the first connecting piece is rotatably connected with the bottom end of the lower push rod, and the other end of the first connecting piece is rotatably connected with the middle part of the front wheel bracket; one end of the second connecting sheet is rotatably connected with the rear end of the seat cushion mounting bracket, and the other end of the second connecting sheet is rotatably connected with the middle part of the lower push rod. Therefore, the two sides of the rear wheel bracket are oppositely folded, and the folded rear wheel bracket is small in size and high in reliability.
Description
Technical Field
The invention relates to the technical field of children's carts, in particular to a three-section folding type children's cart.
Background
The baby stroller is a traffic tool very suitable for babies, and is also an essential product for mothers to go shopping with the babies. The stroller is large in size, large in occupied space for storage, and inconvenient to transport and transfer. The folded volume of some existing foldable baby strollers is still large, and the reliability is low.
Disclosure of Invention
In view of the above, the present invention provides a three-section foldable stroller with small volume and high reliability after being folded by folding two sides of a rear wheel bracket in opposite directions, so as to solve the above problems.
A three-section folding type children cart comprises a front wheel bracket, a rear wheel bracket, a lower push rod, a seat cushion mounting bracket, a first connecting sheet and a second connecting sheet; the top end of the front wheel bracket is rotationally connected with the top end of the rear wheel bracket, and the front end of the seat cushion mounting bracket is rotationally connected with the top end of the rear wheel bracket; the bottom end of the lower push rod is rotatably connected with the middle part of the rear wheel bracket; one end of the first connecting piece is rotatably connected with the bottom end of the lower push rod, and the other end of the first connecting piece is rotatably connected with the middle part of the front wheel bracket; one end of the second connecting sheet is rotatably connected with the rear end of the seat cushion mounting bracket, and the other end of the second connecting sheet is rotatably connected with the middle part of the lower push rod.
Furthermore, the device also comprises an upper push rod, a side connecting rod and a connecting pipe; the top end of the rear wheel bracket is connected with one end of the connecting pipe, and the bottom end of the side connecting rod is connected with the other end of the connecting pipe; the top end of the front wheel bracket is rotationally connected with the position of the connecting pipe close to the rear wheel bracket, and the front end of the seat cushion mounting bracket is rotationally connected with the position of the connecting pipe close to the side connecting rod; the bottom end of the upper push rod is rotatably connected with the top end of the lower push rod; the position of the upper push rod close to the bottom end is rotatably connected with the top end of the side connecting rod through a connecting piece.
Further, the connecting pipe is L-shaped.
Furthermore, the bottom end of the lower push rod extends towards the connecting pipe in a bending way to form a bending part; one end of the first connecting piece is rotatably connected with the tail end of the bent part.
Further, a first locking unit is arranged between the upper push rod and the lower push rod.
Further, a second locking unit is arranged between the front wheel bracket and the connecting pipe.
Further, a third locking unit is arranged between the lower push rod and the rear wheel bracket.
Furthermore, the top end of the upper push rod is also rotatably connected with a locking rod, and one side of the tail end of the locking rod is concavely provided with a hook; a positioning column is arranged in the middle of the rear wheel support in a protruding mode, and a limiting groove is arranged in the middle of the circumferential outer side wall of the positioning column in a recessed mode; the hook of the locking rod is movably positioned in the limiting groove of the positioning column.
Furthermore, the seat cushion device also comprises a handrail support, and the bottom end of the handrail support is rotatably connected with the seat cushion mounting support.
Further, a fourth locking unit is provided between the armrest support and the seat cushion mounting support.
Compared with the prior art, the three-section folding type child stroller comprises a front wheel support, a rear wheel support, a lower push rod, a seat cushion mounting support, a first connecting sheet and a second connecting sheet; the top end of the front wheel bracket is rotationally connected with the top end of the rear wheel bracket, and the front end of the seat cushion mounting bracket is rotationally connected with the top end of the rear wheel bracket; the bottom end of the lower push rod is rotatably connected with the middle part of the rear wheel bracket; one end of the first connecting piece is rotatably connected with the bottom end of the lower push rod, and the other end of the first connecting piece is rotatably connected with the middle part of the front wheel bracket; one end of the second connecting sheet is rotatably connected with the rear end of the seat cushion mounting bracket, and the other end of the second connecting sheet is rotatably connected with the middle part of the lower push rod. Therefore, the two sides of the rear wheel bracket are oppositely folded, and the folded rear wheel bracket is small in size and high in reliability.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of a three-section foldable stroller according to the present invention.
Fig. 2 is a side view of a three-section foldable stroller according to the present invention.
Fig. 3 is a schematic view of a first state of the three-segment foldable stroller according to the present invention when folded.
Fig. 4 is a schematic view of a second state of the three-segment foldable stroller according to the present invention when folded.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1 and 2, the three-section foldable stroller of the present invention includes a front wheel frame 10, a rear wheel frame 20, an upper push rod 30, a lower push rod 40, a side link 50, a seat cushion mounting frame 60, a connecting tube 70, a first connecting piece 81, a second connecting piece 82, and an armrest frame 90.
The top end of the front wheel bracket 10 is rotatably connected with the top end of the rear wheel bracket 20, and the front end of the seat cushion mounting bracket 60 is rotatably connected with the top end of the rear wheel bracket 20; the bottom end of the lower push rod 40 is rotatably connected with the middle part of the rear wheel bracket 20; one end of the first connecting piece 81 is rotatably connected with the bottom end of the lower push rod 40, and the other end is rotatably connected with the middle part of the front wheel bracket 10; one end of the second connecting piece 82 is rotatably connected to the rear end of the seat cushion mounting bracket 60, and the other end is rotatably connected to the middle portion of the lower push rod 40.
Specifically, the connection pipe 70 has an L-shape.
The top end of the rear wheel bracket 20 is connected to one end of the connection pipe 70, and the bottom end of the side link 50 is connected to the other end of the connection pipe 70.
The top end of the front wheel bracket 10 is rotatably connected to the position of the connecting pipe 70 near the rear wheel bracket 20 by a first rotating shaft, and the front end of the seat cushion mounting bracket 60 is rotatably connected to the position of the connecting pipe 70 near the side link 50 by a second rotating shaft.
The bottom end of the upper push rod 30 is rotatably connected with the top end of the lower push rod 40 through a third rotating shaft, and the bottom end of the lower push rod 40 is rotatably connected with the middle part of the rear wheel bracket 20 through a fourth rotating shaft.
The upper push rod 30 is rotatably connected to the top end of the side link 50 at a position near the bottom end thereof through a connecting member.
The bottom end of the lower push rod 40 bends and extends towards the connecting pipe 70 to form a bent part 41; one end of the first connecting piece 81 is rotatably connected to the end of the bent portion 41, and the other end is rotatably connected to the middle portion of the front wheel bracket 10.
One end of the second connecting piece 82 is rotatably connected to the rear end of the seat cushion mounting bracket 60, and the other end is rotatably connected to the middle portion of the lower push rod 40.
The bottom end of the armrest support 90 is rotatably connected to the front end of the seat cushion mounting bracket 60 via a fifth rotating shaft.
The seat mounting bracket 60 is used to mount a child seat.
A first locking unit is arranged between the upper push rod 30 and the lower push rod 40 at the third rotating shaft, and the first locking unit is used for locking the angle of the upper push rod 30 relative to the lower push rod 40 or unlocking the locking.
A second locking unit for locking an angle of the front wheel bracket 10 with respect to the connection pipe 70 or unlocking the locking is provided between the front wheel bracket 10 and the connection pipe 70 at the first rotation axis.
A third locking unit is arranged between the lower push rod 40 and the rear wheel bracket 20 at the fourth rotating shaft, and the third locking unit is used for locking the angle of the lower push rod 40 relative to the rear wheel bracket 20 or unlocking the locking.
A fourth locking unit is provided between the handle bracket 90 and the seat cushion mounting bracket 60 at the fifth rotation axis, and the fourth locking unit is used for locking the angle of the handle bracket 90 relative to the seat cushion mounting bracket 60 or unlocking the locking.
Referring to fig. 3 and 4, when folding, the first locking unit is first unlocked, so that the upper push rod 30 rotates forward toward the side link 50, as indicated by arrow a; the second locking unit is then unlocked, so that the front wheel carrier 10 is rotated towards the rear wheel carrier 20, as indicated by arrow b; the third locking unit is unlocked again, so that the push-down lever 40 is rotated toward the rear wheel carrier 20, as indicated by arrow c. The fourth locking unit may also be unlocked such that the armrest support bracket 90 is rotated toward the seat cushion mounting bracket 60.
The top end of the upper push rod 30 is also rotatably connected with a locking rod 31, and one side of the tail end of the locking rod 31 is concavely provided with a hook 311; the middle part of the rear wheel support 20 is provided with a positioning column 21 in a protruding manner, and the middle part of the circumferential outer side wall of the positioning column 21 is provided with a limiting groove in a recessed manner. After the three-section foldable stroller is folded, the hook 311 of the locking rod 31 can hook the limiting groove of the positioning column 21, so that the folded state is maintained.
Compared with the prior art, the three-section folding type child stroller comprises a front wheel bracket 10, a rear wheel bracket 20, a lower push rod 40, a seat cushion mounting bracket 60, a first connecting sheet 81 and a second connecting sheet 82; the top end of the front wheel bracket 10 is rotatably connected with the top end of the rear wheel bracket 20, and the front end of the seat cushion mounting bracket 60 is rotatably connected with the top end of the rear wheel bracket 20; the bottom end of the lower push rod 40 is rotatably connected with the middle part of the rear wheel bracket 20; one end of the first connecting piece 81 is rotatably connected with the bottom end of the lower push rod 40, and the other end is rotatably connected with the middle part of the front wheel bracket 10; one end of the second connecting piece 82 is rotatably connected to the rear end of the seat cushion mounting bracket 60, and the other end is rotatably connected to the middle portion of the lower push rod 40. Therefore, the two sides of the rear wheel bracket are oppositely folded, and the folded rear wheel bracket is small in size and high in reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (10)
1. The utility model provides a foldable children's shallow of three-section which characterized in that: the device comprises a front wheel bracket, a rear wheel bracket, a lower push rod, a seat cushion mounting bracket, a first connecting sheet and a second connecting sheet; the top end of the front wheel bracket is rotationally connected with the top end of the rear wheel bracket, and the front end of the seat cushion mounting bracket is rotationally connected with the top end of the rear wheel bracket; the bottom end of the lower push rod is rotatably connected with the middle part of the rear wheel bracket; one end of the first connecting piece is rotatably connected with the bottom end of the lower push rod, and the other end of the first connecting piece is rotatably connected with the middle part of the front wheel bracket; one end of the second connecting sheet is rotatably connected with the rear end of the seat cushion mounting bracket, and the other end of the second connecting sheet is rotatably connected with the middle part of the lower push rod.
2. The three-piece foldable stroller of claim 1, wherein: the device also comprises an upper push rod, a side connecting rod and a connecting pipe; the top end of the rear wheel bracket is connected with one end of the connecting pipe, and the bottom end of the side connecting rod is connected with the other end of the connecting pipe; the top end of the front wheel bracket is rotationally connected with the position of the connecting pipe close to the rear wheel bracket, and the front end of the seat cushion mounting bracket is rotationally connected with the position of the connecting pipe close to the side connecting rod; the bottom end of the upper push rod is rotatably connected with the top end of the lower push rod; the position of the upper push rod close to the bottom end is rotatably connected with the top end of the side connecting rod through a connecting piece.
3. The three-piece foldable stroller of claim 2, wherein: the connecting pipe is L-shaped.
4. The three-piece foldable stroller of claim 2, wherein: the bottom end of the lower push rod extends towards the connecting pipe in a bending mode to form a bending part; one end of the first connecting piece is rotatably connected with the tail end of the bent part.
5. The three-piece foldable stroller of claim 2, wherein: a first locking unit is arranged between the upper push rod and the lower push rod.
6. The three-piece foldable stroller of claim 2, wherein: and a second locking unit is arranged between the front wheel bracket and the connecting pipe.
7. The three-piece foldable stroller of claim 2, wherein: and a third locking unit is arranged between the lower push rod and the rear wheel bracket.
8. The three-piece foldable stroller of claim 2, wherein: the top end of the upper push rod is also rotatably connected with a locking rod, and one side of the tail end of the locking rod is concavely provided with a hook; a positioning column is arranged in the middle of the rear wheel support in a protruding mode, and a limiting groove is arranged in the middle of the circumferential outer side wall of the positioning column in a recessed mode; the hook of the locking rod is movably positioned in the limiting groove of the positioning column.
9. The three-piece foldable stroller of claim 1, wherein: the seat cushion mounting bracket is characterized by further comprising a handrail bracket, wherein the bottom end of the handrail bracket is rotatably connected with the seat cushion mounting bracket.
10. The three-piece foldable stroller of claim 9, wherein: and a fourth locking unit is arranged between the armrest support and the seat cushion mounting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527511.0A CN112519864A (en) | 2020-12-22 | 2020-12-22 | Three-section folding type children's carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527511.0A CN112519864A (en) | 2020-12-22 | 2020-12-22 | Three-section folding type children's carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112519864A true CN112519864A (en) | 2021-03-19 |
Family
ID=75002388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011527511.0A Pending CN112519864A (en) | 2020-12-22 | 2020-12-22 | Three-section folding type children's carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112519864A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3170838U (en) * | 2010-07-12 | 2011-10-06 | グッドベイビー チャイルド プロダクツ カンパニー リミテッド | Child carrier |
| CN205632626U (en) * | 2016-05-05 | 2016-10-12 | 昆山倍凯斯儿童用品有限公司 | Foldable baby stroller frame |
| CN208344305U (en) * | 2018-05-17 | 2019-01-08 | 好孩子儿童用品有限公司 | A kind of floating positioning hanger mechanism and children trolley |
| CN208760698U (en) * | 2018-08-01 | 2019-04-19 | 湖北天瑞儿童用品有限公司 | Children trolley frame body and children trolley |
| CN109823387A (en) * | 2019-03-28 | 2019-05-31 | 太仓新奇乐婴儿用品有限公司 | A kind of stroller to return the vehicle to the garage and knock off convenient for a key |
| CN209535174U (en) * | 2018-11-27 | 2019-10-25 | 昆山倍凯斯儿童用品有限公司 | A kind of band seat pocket foldable baby cart |
| CN209719702U (en) * | 2019-03-28 | 2019-12-03 | 太仓新奇乐婴儿用品有限公司 | A kind of light stroller of novel foldable |
| CN110723191A (en) * | 2018-09-29 | 2020-01-24 | 好孩子儿童用品有限公司 | Folding children's barrow |
| CN211722926U (en) * | 2019-07-17 | 2020-10-23 | 合肥善达信息科技有限公司 | Movable baby bath vehicle |
-
2020
- 2020-12-22 CN CN202011527511.0A patent/CN112519864A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3170838U (en) * | 2010-07-12 | 2011-10-06 | グッドベイビー チャイルド プロダクツ カンパニー リミテッド | Child carrier |
| CN205632626U (en) * | 2016-05-05 | 2016-10-12 | 昆山倍凯斯儿童用品有限公司 | Foldable baby stroller frame |
| CN208344305U (en) * | 2018-05-17 | 2019-01-08 | 好孩子儿童用品有限公司 | A kind of floating positioning hanger mechanism and children trolley |
| CN208760698U (en) * | 2018-08-01 | 2019-04-19 | 湖北天瑞儿童用品有限公司 | Children trolley frame body and children trolley |
| CN110723191A (en) * | 2018-09-29 | 2020-01-24 | 好孩子儿童用品有限公司 | Folding children's barrow |
| CN209535174U (en) * | 2018-11-27 | 2019-10-25 | 昆山倍凯斯儿童用品有限公司 | A kind of band seat pocket foldable baby cart |
| CN109823387A (en) * | 2019-03-28 | 2019-05-31 | 太仓新奇乐婴儿用品有限公司 | A kind of stroller to return the vehicle to the garage and knock off convenient for a key |
| CN209719702U (en) * | 2019-03-28 | 2019-12-03 | 太仓新奇乐婴儿用品有限公司 | A kind of light stroller of novel foldable |
| CN211722926U (en) * | 2019-07-17 | 2020-10-23 | 合肥善达信息科技有限公司 | Movable baby bath vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210319 |
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| RJ01 | Rejection of invention patent application after publication |