CN112238889B - Folding mechanism for baby carriage - Google Patents
Folding mechanism for baby carriage Download PDFInfo
- Publication number
- CN112238889B CN112238889B CN201910644108.7A CN201910644108A CN112238889B CN 112238889 B CN112238889 B CN 112238889B CN 201910644108 A CN201910644108 A CN 201910644108A CN 112238889 B CN112238889 B CN 112238889B
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- China
- Prior art keywords
- seat
- backrest
- pivoted
- rotation
- center
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- 210000001364 upper extremity Anatomy 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 9
- 210000002683 foot Anatomy 0.000 description 42
- 238000004806 packaging method and process Methods 0.000 description 3
- 210000004744 fore-foot Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention provides a baby carriage folding mechanism, which comprises a frame, a backrest part and a seat part, wherein the frame comprises a front foot, a rear foot, a vehicle hand and a backrest release locking piece, the front foot comprises a front foot upper part and a front foot lower part, a first end of the front foot upper part, a first end of the front foot lower part and a first end of the rear foot are coaxially pivoted to form a first rotating center, the vehicle hand comprises a vehicle hand upper part and a vehicle hand lower part, the first end of the vehicle hand upper part is pivoted to the first end of the vehicle hand lower part and forms a second rotating center, the second end of the front foot upper part is pivoted to the vehicle hand upper part and forms a third rotating center, the vehicle hand lower part is pivoted to the rear foot and forms a fourth rotating center, the backrest release locking piece is pivoted between the vehicle hand lower part and the backrest part, the backrest part is pivoted to the seat part, and the seat part is pivoted to the front foot lower part; the upper part of the vehicle hand is driven to rotate so as to enable the lower part of the vehicle hand and the upper part of the front foot to rotate and fold, and the backrest part is driven to rotate and fold relative to the seat part through the backrest release locking piece. Therefore, the backrest can be driven to fold when the frame is folded.
Description
Technical Field
The invention relates to the technical field of strollers, in particular to a folding mechanism of a stroller.
Background
With the widespread use of strollers, there is an increasing demand for functionality of strollers. Not only is it desirable that the stroller be comfortable and safe for the infant when in use, but also it is desirable that the stroller be collapsible to a smaller size when not in use to provide aesthetics, space savings, and easy storage.
The existing baby carriage generally comprises a carriage frame, a backrest and a seat part which are arranged on the carriage frame, and when the baby carriage is folded, the carriage frame, the backrest and the seat part are usually required to be operated respectively, so that the carriage frame, the backrest and the seat part can be folded, and the folding mode of the baby carriage has the problems of troublesome operation and inconvenient folding.
Therefore, there is an urgent need for a folding mechanism for a stroller that can drive the backrest to fold when the stroller frame is folded.
Disclosure of Invention
The invention aims to provide a baby carriage folding mechanism which can drive a backrest to fold and can reduce the whole packaging volume when a frame is folded.
In order to achieve the above-mentioned object, the present invention provides a folding mechanism of a stroller, comprising a frame, a backrest portion and a seat portion, wherein the frame comprises a front leg, a rear leg, a handle and a backrest release locking member, the front leg comprises a front leg upper portion and a front leg lower portion, a first end of the front leg upper portion, a first end of the front leg lower portion and a first end of the rear leg are coaxially pivoted to form a first rotation center, the handle comprises a handle upper portion and a handle lower portion, the first end of the handle upper portion is pivoted to the first end of the handle lower portion and forms a second rotation center, the second end of the front leg upper portion is pivoted to the handle upper portion and forms a third rotation center, the handle lower portion is pivoted to the rear leg and forms a fourth rotation center, the backrest release locking member is pivoted between the handle lower portion and the backrest portion, the backrest portion is pivoted to the seat portion, and the seat portion is pivoted to the front leg lower portion; the upper part of the vehicle hand is driven to rotate so as to enable the lower part of the vehicle hand and the upper part of the front foot to rotate and fold, and the backrest part is driven to rotate and fold relative to the seat part through the backrest release locking piece.
Compared with the prior art, the front foot of the baby carriage folding mechanism is provided with the front foot upper part and the front foot lower part, and the front hand is provided with the front foot upper part and the front hand lower part; the back release lock is pivoted between the back rest part and the lower part of the handlebar, so that when the lower part of the handlebar is rotated and folded, the back rest part can be driven to rotate relative to the seat part by the back release lock and folded towards the rear foot direction, therefore, the frame of the folding mechanism of the baby carriage can drive the back rest to be folded when the frame is folded, and the volume of the baby carriage after being folded is small, thereby reducing the whole packaging volume.
Preferably, the first end of the backrest release locking member is pivotally connected to the lower portion of the rider and forms a fifth center of rotation, the second end of the backrest release locking member is pivotally connected to the backrest portion and forms a sixth center of rotation, the backrest portion is pivotally connected to the seat portion and forms a seventh center of rotation, and the sixth center of rotation is spaced apart from the seventh center of rotation.
Preferably, the backrest portion comprises a backrest body and a backrest fixing seat, the backrest body is mounted on the backrest fixing seat, the backrest release locking piece is pivoted on the backrest fixing seat and forms a sixth rotation center, and the backrest fixing seat is pivoted with the seat portion and forms a seventh rotation center.
Preferably, the seat part comprises a seat body and a seat fixing seat, the seat body is pivoted with the backrest part to form a seventh rotation center, the seat fixing seat is pivoted with the seat body to form an eighth rotation center, and the lower part of the front foot is pivoted with the seat fixing seat to form a ninth rotation center.
Preferably, the seat fixing seat further comprises a connecting rod assembly, one end of the connecting rod assembly is fixedly connected with the seat fixing seat, and the other end of the connecting rod assembly is pivoted on the rear foot by taking the fourth rotation center as a rotation center.
Preferably, the seat further comprises a linkage rod, and the linkage rod is arranged between the seat body and the seat fixing seat.
Preferably, the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first end of the first connecting rod is fixedly connected with the seat fixing seat, the second end of the first connecting rod is pivoted with the first end of the second connecting rod to form a tenth rotation center, and the second end of the second connecting rod is pivoted with the rear foot.
Preferably, the first connecting rod comprises a straight rod part and a bending part formed by bending and extending from one end of the straight rod part, the straight rod part is fixedly connected with the seat fixing seat, and the bending part is pivoted with the second connecting rod.
Preferably, the device further comprises a handrail part, wherein the handrail part is pivoted to the second end of the first connecting rod by taking the tenth rotation center as the rotation center.
Preferably, the armrest part comprises an armrest body and an armrest fixing seat, the first end of the armrest fixing seat is pivoted at the second end of the first connecting rod, the second end of the armrest fixing seat is pivoted at the upper part of the front foot, and the armrest body is arranged on the armrest fixing seat.
Drawings
Fig. 1 is a side view of the stroller folding mechanism of the present invention.
Fig. 2 is a schematic perspective view of the folding mechanism of the stroller according to the present invention when unfolded.
Fig. 3 is a schematic structural view of the folding mechanism of the stroller in the folding process.
Fig. 4 is a schematic structural view of the stroller folding mechanism shown in fig. 3 when folding is continued.
Fig. 5 is a schematic structural view of the folding mechanism of the stroller after being fully folded.
Detailed Description
In order to describe the technical content and constructional features of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, 2 and 5, the folding mechanism 100 of the stroller of the present invention includes a frame 1, a backrest 2 and a seat 3, wherein the backrest 2 is pivotally connected to the seat 3, and the seat 3 is disposed on the frame 1. The frame 1 includes a front foot 11, a rear foot 12, a handlebar 13 and a backrest release lock 14, the front foot 11 includes a front foot upper portion 111 and a front foot lower portion 112, a first end of the front foot upper portion 111, a first end of the front foot lower portion 112 and a first end of the rear foot 12 are coaxially pivoted to form a first rotation center 61, the handlebar 13 includes a handlebar upper portion 131 and a handlebar lower portion 132, the first end of the handlebar upper portion 131 is pivoted to the first end of the handlebar lower portion 132 and forms a second rotation center 62, the second end of the front foot upper portion 111 is pivoted to the handlebar upper portion 131 and forms a third rotation center 63, the third rotation center 63 is not coincident with the second rotation center 62, the handlebar lower portion 132 is pivoted to the rear foot 12 and forms a fourth rotation center 64, and the fourth rotation center 64 is not coincident with the first rotation center 61, so that the four of the front foot upper portion 111, the handlebar upper portion 131, the handlebar lower portion 132 and the rear foot 12 form a planar link mechanism; the backrest release lock 14 is pivoted between the lower rider portion 132 and the backrest portion 2, and the seat portion 3 is pivoted to the lower forefoot portion 112; the lower part 132 of the vehicle hand and the upper part 111 of the front foot can be rotated and folded together towards the direction of the rear foot 12 by driving the upper part 131 of the vehicle hand to rotate, and when the lower part 132 of the vehicle hand is rotated and folded, the backrest part 2 can be driven to rotate relative to the seat part 3 by the backrest release lock piece 14 and be folded towards the direction of the rear foot 12, so that the backrest can be driven to be folded together when the vehicle frame 1 is folded, and the operation is simple and convenient.
Referring to fig. 1, the first end of the backrest release lock 14 is pivoted to the lower handle portion 132 to form a fifth rotation center 65, the fifth rotation center 65 is not coincident with the fourth rotation center 64, the second end of the backrest release lock 14 is pivoted to the backrest portion 2 to form a sixth rotation center 66, the backrest portion 2 is pivoted to the seat portion 3 to form a seventh rotation center 67, and the sixth rotation center 66 is not coincident with the seventh rotation center 67, so that when the lower handle portion 132 is rotated and folded, the lower handle portion 132 can drive the backrest release lock 14 to move, and the backrest portion 2 is driven to rotate relative to the seat portion 3 and fold toward the rear foot 12.
Referring to fig. 2, in the present embodiment, the backrest 2 includes a backrest body 21 and a backrest fixing seat 22, the backrest body 21 is mounted on the backrest fixing seat 22, the backrest release lock 14 is pivotally connected to the backrest fixing seat 22 and forms the sixth rotation center 66, and the backrest fixing seat 22 is pivotally connected to the seat 3. Specifically, the seat part 3 includes a seat body 31 and a seat fixing base 32, the seat body 31 is pivoted to the back fixing base 22 of the back part 2 and forms the seventh rotation center 67, the seat fixing base 32 is pivoted to the seat body 31 and forms the eighth rotation center 68, and the front foot lower portion 112 is pivoted to the seat fixing base 32 and forms the ninth rotation center 69. Wherein, to make the structure of the stroller folding mechanism 100 of the present invention more compact, the eighth rotation center 68 is not coincident with the ninth rotation center 69. The structure of the backrest 2 and the seat 3 is not limited to this, and for example, the backrest body 21 and the backrest fixing seat 22 of the backrest 2 may be integrally formed, and the seat 3 may be provided with only the seat body 31 and the seat body 31 may be directly mounted on the lower front foot 112.
Referring to fig. 3 and 4, the folding mechanism 100 of the stroller of the present invention further includes a link assembly 4, wherein one end of the link assembly 4 is fixedly connected to the seat fixing base 32, and the other end of the link assembly 4 is pivotally connected to the rear leg 12 with the fourth rotation center 64 as a rotation center. Therefore, when the front lower foot 112 is rotated and folded towards the rear foot 12, the seat fixing seat 32 can rotate relative to the front lower foot 112 and push and drive the seat body 31 to rotate under the matching action of the connecting rod assembly 4, so that the seat body 31 is folded. Specifically, the link assembly 4 includes a first link 41 and a second link 42, where a first end of the first link 41 is fixedly connected to the seat fixing base 32, a second end of the first link 41 is pivotally connected to a first end of the second link 42 to form a tenth rotation center 70, and a second end of the second link 42 is pivotally connected to the rear foot 12. When the lower front foot 112 is rotated and folded toward the rear foot 12, the first link 41 and the second link 42 rotate, and the tenth rotation center 70 formed by the first link 41 and the second link 42 is shifted, so as to drive the seat fixing base 32 fixedly connected with the first link 41 to rotate relative to the lower front foot 112, and further drive the seat body 31 to rotate relative to the backrest fixing base 22. In order to make the structure of the link assembly 4 more reasonable and compact, the first link 41 includes a straight bar 411 and a bending portion 412 formed by bending and extending from one end of the straight bar 411, the straight bar 411 is fixedly connected with the seat fixing seat 32, and the bending portion 412 is pivoted with the second link 42. In this embodiment, the folding mechanism 100 of the stroller of the present invention further includes a linkage rod 33, wherein the linkage rod 33 is disposed between the seat body 31 and the seat fixing seat 32, so that the seat body 31, the seat fixing seat 32 and the linkage rod 33 form a stable structure, and when the lower front leg 112 is folded in the direction of the rear leg 12, the link assembly 4 can drive the seat fixing seat 32 and the seat body 31 to rotate together, i.e. drive the whole seat 3 to rotate and fold, and the seat 3 can rotate and fold more fully and reasonably.
Referring to fig. 1 and 2, the folding mechanism 100 of the stroller of the present invention further includes a armrest portion 5, wherein the armrest portion 5 is pivotally connected to the second end of the first link 41 with the tenth rotation center 70 as a rotation center, such that when the front lower foot portion 112 is folded in a direction towards the rear foot 12, the tenth rotation center 70 formed by the first link 41 and the second link 42 is offset, thereby driving the armrest portion 5 to fold in a rotation manner. Specifically, the armrest portion 5 includes an armrest body 51 and an armrest fixing seat 52, a first end of the armrest fixing seat 52 is pivotally connected to a second end of the first link 41, a second end of the armrest fixing seat 52 is pivotally connected to the upper portion 111 of the front foot, and the armrest body 51 is mounted on the armrest fixing seat 52. However, the structure of the armrest portion 5 is not limited thereto, and the armrest portion 5 may be an integral structure, such as only the armrest body 51.
Referring to fig. 1, 3, 4 and 5, the specific principle of the stroller folding mechanism 100 of the present invention is as follows:
when the folding is needed, the lower part 132 of the vehicle hand and the upper part 111 of the front foot can be rotated and folded together towards the direction of the rear foot 12 by driving the upper part 131 of the vehicle hand to rotate, and when the lower part 132 of the vehicle hand is rotated and folded, the backrest part 2 can be driven to rotate relative to the seat part 3 by the backrest release lock piece 14 and folded towards the direction of the rear foot 12; simultaneously, the lower front leg 112 can be rotated and folded towards the rear leg 12, and the connecting rod assembly 4 can drive the seat fixing seat 32 and the seat body 31 to be rotated and folded together, so that the backrest 2 and the seat 3 can be rotated and folded while the frame 1 is folded.
In summary, the front leg 11 of the stroller folding mechanism 100 of the present invention is provided with a front leg upper portion 111 and a front leg lower portion 112, and the handlebar 13 is provided with a handlebar upper portion 131 and a handlebar lower portion 132, and since the front leg upper portion 111 is pivoted to the handlebar upper portion 131, the handlebar upper portion 131 is pivoted to the handlebar lower portion 132, the handlebar lower portion 132 is pivoted to the rear leg 12, and the rear leg 12 is pivoted to the front leg upper portion 111, a planar link mechanism is formed, so that the handlebar upper portion 132 and the front leg upper portion 111 can be rotated and folded together in the direction of the rear leg 12 by driving the handlebar upper portion 131 to rotate, and simultaneously the front leg lower portion 112 can be rotated and folded in the direction of the rear leg 12, thereby folding the stroller frame 1 can be realized; the backrest release lock 14 is pivoted between the backrest 2 and the lower portion 132 of the rider, so that the backrest 2 can be driven to rotate relative to the seat 3 by the backrest release lock 14 and folded towards the rear foot 12 when the lower portion 132 of the rider is rotated and folded, and the frame 1 of the folding mechanism 100 of the baby carriage can drive the backrest to fold when the frame is folded, and the folded baby carriage has small volume, thereby reducing the whole packaging volume.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The baby carriage folding mechanism comprises a frame, a backrest part and a seat part, and is characterized in that the frame comprises a front foot, a rear foot, a carriage handle and a backrest release lock piece, the front foot comprises a front foot upper part and a front foot lower part, a first end of the front foot upper part, a first end of the front foot lower part and a first end of the rear foot are coaxially pivoted and form a first rotation center, the carriage handle comprises a carriage handle upper part and a carriage handle lower part, the first end of the carriage handle upper part is pivoted and form a second rotation center with the first end of the carriage handle lower part, the second end of the front foot upper part is pivoted on the carriage handle upper part and form a third rotation center, the carriage handle lower part is pivoted on the rear foot and form a fourth rotation center, the backrest release lock piece is pivoted between the carriage handle lower part and the backrest part, the backrest part is pivoted and the seat part, and the seat part is pivoted and connected with the front foot lower part; the second end of the backrest release lock is pivoted with the backrest part and forms a sixth rotation center; the upper part of the driver is driven to rotate so as to enable the lower part of the driver and the upper part of the front foot to rotate and fold, and the backrest part is driven to rotate and fold relative to the seat part through the backrest release locking piece.
2. The stroller fold mechanism according to claim 1, wherein the first end of the back rest release lock is pivotally connected to the lower portion of the rider and defines a fifth center of rotation, and the back rest portion is pivotally connected to the seat portion and defines a seventh center of rotation, the sixth center of rotation being spaced apart from the seventh center of rotation.
3. The stroller fold mechanism according to claim 2, wherein the back rest portion comprises a back rest body and a back rest fixing seat, the back rest body is mounted on the back rest fixing seat, the back rest release lock is pivotally connected to the back rest fixing seat and forms the sixth rotation center, and the back rest fixing seat is pivotally connected to the seat portion and forms the seventh rotation center.
4. The stroller folding mechanism according to claim 2, wherein the seat portion includes a seat body and a seat holder, the seat body being pivotally connected to the backrest portion and forming the seventh center of rotation, the seat holder being pivotally connected to the seat body and forming an eighth center of rotation, the lower front leg portion being pivotally connected to the seat holder and forming a ninth center of rotation.
5. The stroller folding mechanism of claim 4, further comprising a link assembly, wherein one end of the link assembly is fixedly connected to the seat holder, and the other end of the link assembly is pivotally connected to the rear leg with the fourth center of rotation as a center of rotation.
6. The stroller fold mechanism according to claim 5, further comprising a linkage disposed between the seat body and the seat holder.
7. The stroller folding mechanism of claim 5, wherein the link assembly comprises a first link and a second link, a first end of the first link is fixedly coupled to the seat holder, a second end of the first link is pivotally coupled to a first end of the second link to form a tenth center of rotation, and a second end of the second link is pivotally coupled to the rear leg.
8. The folding mechanism of claim 7, wherein the first link comprises a straight bar portion and a bending portion formed by bending and extending from one end of the straight bar portion, the straight bar portion is fixedly connected with the seat fixing base, and the bending portion is pivoted with the second link.
9. The stroller fold mechanism according to claim 7, further comprising a handle portion pivotally connected to the second end of the first link about the tenth center of rotation.
10. The stroller folding mechanism of claim 9, wherein the armrest portion comprises an armrest body and an armrest mount, a first end of the armrest mount is pivotally coupled to the second end of the first link, a second end of the armrest mount is pivotally coupled to the upper portion of the front leg, and the armrest body is mounted to the armrest mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644108.7A CN112238889B (en) | 2019-07-16 | 2019-07-16 | Folding mechanism for baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644108.7A CN112238889B (en) | 2019-07-16 | 2019-07-16 | Folding mechanism for baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112238889A CN112238889A (en) | 2021-01-19 |
| CN112238889B true CN112238889B (en) | 2023-11-03 |
Family
ID=74167433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910644108.7A Active CN112238889B (en) | 2019-07-16 | 2019-07-16 | Folding mechanism for baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112238889B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906200A (en) * | 2021-02-08 | 2022-08-16 | 明门瑞士股份有限公司 | Riding device |
| CN114954610B (en) | 2021-02-25 | 2025-08-08 | 明门瑞士股份有限公司 | Seat modules and passenger devices |
| CN216232517U (en) * | 2021-10-14 | 2022-04-08 | 明门瑞士股份有限公司 | Children's barrow |
| TW202513374A (en) * | 2023-09-28 | 2025-04-01 | 瑞士商明門瑞士股份有限公司 | Stroller |
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|---|---|---|---|---|
| US6824162B2 (en) * | 2001-12-31 | 2004-11-30 | Link Treasure Limited | Backrest structure for strollers |
| CN203780587U (en) * | 2014-03-25 | 2014-08-20 | 广东乐美达集团有限公司 | Reversible and foldable baby carrier |
| CN205010296U (en) * | 2015-09-17 | 2016-02-03 | 王俊茹 | Infant's handcart frame reaches by its infant's handcart of constituteing |
| CN206107300U (en) * | 2016-08-31 | 2017-04-19 | 广东乐美达集团有限公司 | Folding perambulator frame |
| CN109808759A (en) * | 2017-11-22 | 2019-05-28 | 明门瑞士股份有限公司 | Perambulator and its fold hook device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5028166B2 (en) * | 2007-07-03 | 2012-09-19 | アップリカ・チルドレンズプロダクツ株式会社 | baby carriage |
| US8596669B2 (en) * | 2011-11-07 | 2013-12-03 | Unique Product & Design Co., Ltd. | Baby stroller |
-
2019
- 2019-07-16 CN CN201910644108.7A patent/CN112238889B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6824162B2 (en) * | 2001-12-31 | 2004-11-30 | Link Treasure Limited | Backrest structure for strollers |
| CN203780587U (en) * | 2014-03-25 | 2014-08-20 | 广东乐美达集团有限公司 | Reversible and foldable baby carrier |
| CN205010296U (en) * | 2015-09-17 | 2016-02-03 | 王俊茹 | Infant's handcart frame reaches by its infant's handcart of constituteing |
| CN206107300U (en) * | 2016-08-31 | 2017-04-19 | 广东乐美达集团有限公司 | Folding perambulator frame |
| CN109808759A (en) * | 2017-11-22 | 2019-05-28 | 明门瑞士股份有限公司 | Perambulator and its fold hook device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112238889A (en) | 2021-01-19 |
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