CN109895835B - Quick folding structure of baby carriage - Google Patents
Quick folding structure of baby carriage Download PDFInfo
- Publication number
- CN109895835B CN109895835B CN201910251899.7A CN201910251899A CN109895835B CN 109895835 B CN109895835 B CN 109895835B CN 201910251899 A CN201910251899 A CN 201910251899A CN 109895835 B CN109895835 B CN 109895835B
- Authority
- CN
- China
- Prior art keywords
- rotating body
- tube
- joint
- pipe
- unlocking
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000001364 upper extremity Anatomy 0.000 claims description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a baby carriage rapid folding structure, which comprises: the novel baby seat comprises a handle upper pipe, a handle lower pipe, a first joint for connecting the handle upper pipe and the handle lower pipe, a front foot pipe, a rear foot pipe, a baby handrail and a second joint for connecting the front foot pipe and the rear foot pipe with the baby handrail, wherein the handle lower pipe is arranged on the front foot pipe through a third joint, a freely swinging lifting rocker is formed on the third joint, a seat frame is arranged on the front foot pipe in a rotatable mode, the rear end of the seat frame is hinged with the lifting rocker, and the front foot pipe and the rear foot pipe swing up and down along with the lifting rocker so as to be opened and closed relatively. According to the invention, the lifting rocker arranged at the second joint is hinged with the seat frame on the front foot tube, when the seat frame is folded, the unlocking button is pressed, the handle upper tube is bent towards the handle lower tube, the handle lower tube can be folded automatically relative to the rear foot tube by means of gravity, the seat frame is driven to lift upwards by the lifting rocker, and the seat frame pulls the front foot tube to be close to the rear foot tube, so that the automatic folding is completed.
Description
Technical field:
the invention relates to the field of infant products, in particular to a quick folding structure of a baby carriage.
The background technology is as follows:
most of the strollers in the market at present adopt a foldable framework design for convenient transportation and storage, and the framework of the strollers can be folded by unlocking all connecting joints; the unlocking switch of the traditional baby carriage is arranged at each joint, the connecting joint of the baby carriage is usually designed to be lower, the joints at two sides are required to be simultaneously unlocked by bending or squatting down, the framework is folded simultaneously, the folding can be completed, and when the folding is completed, each joint can be folded by applying force, the automatic folding after unlocking cannot be realized, so that the baby carriage is very inconvenient to use and operate, and is very unsuitable for the efficient life style of modern people.
In view of this, the present inventors have proposed the following means.
The invention comprises the following steps:
the invention aims to overcome the defects of the prior art and provides a quick folding structure of a baby carriage.
In order to solve the technical problems, the invention adopts the following technical scheme: this perambulator closes structure fast, it includes: the novel baby handlebar comprises a handlebar upper tube, a handlebar lower tube, a first joint for connecting the handlebar upper tube and the handlebar lower tube, a front foot tube, a rear foot tube, a baby handrail and a second joint for connecting the front foot tube and the rear foot tube with the baby handrail, wherein the handlebar lower tube is arranged on the front foot tube through a third joint, a freely swinging lifting rocker is formed on the third joint, a seat frame is arranged on the front foot tube in a rotatable mode, and the rear end of the seat frame is hinged with the lifting rocker and swings up and down along with the lifting rocker, so that the front foot tube and the rear foot tube are opened and closed relatively.
Furthermore, in the above technical solution, the rocker is connected with the rear end of the seat frame through a bolt.
In the above technical scheme, the third joint includes a rotating seat mounted on the rear leg tube and a seventh rotating body mounted on one side of the rotating seat and connected to the handle lower tube, and the rocker is formed on the seventh rotating body.
In the above technical scheme, a torsion spring is further disposed in the third joint, and two ends of the torsion spring are respectively contacted with the rotating seat and the seventh rotating body.
Furthermore, in the above technical scheme, the front leg is provided with a first front wheel and a second front wheel in parallel, the rear leg is provided with a first rear wheel and a second rear wheel in parallel, and the first front wheel and the second front wheel are clamped at the inner sides of the first rear wheel and the second rear wheel after being folded, so as to form a stable supporting structure.
Furthermore, in the above technical scheme, the first joint includes a first rotating body connected with the upper tube of the handle, a second rotating body connected with the lower tube of the handle and matched with the first rotating body, a third rotating body installed on one side of the second rotating body, and a first locking device installed between the first rotating body and the second rotating body and used for preventing the first rotating body from rotating relative to the second rotating body, wherein the upper tube of the handle is provided with a first unlocking device used for unlocking the first locking device, the first unlocking device is connected with the first locking device through a first steel wire, and the third rotating body is provided with a sail frame.
In the above technical scheme, the second joint includes a fourth rotating body connected with the front leg, a fifth rotating body connected with the rear leg and matched with the fourth rotating body, a sixth rotating body mounted on one side of the fifth rotating body and connected with the baby armrest, and a second locking device arranged between the fourth rotating body and the fifth rotating body and used for preventing the fourth rotating body and the fifth rotating body from rotating relatively, wherein a second unlocking device used for unlocking the second locking device is arranged in the first locking device, and the second unlocking device is connected with the first locking device through a second steel wire.
Furthermore, in the above technical scheme, the first unlocking device comprises a housing arranged in the middle of the upper tube of the handle, an unlocking button arranged on one side of the housing, and a shifting block arranged on the other side of the housing and used for unlocking the unlocking button, and the first steel wire is connected with the unlocking button.
Furthermore, in the above technical scheme, the other side of the rotating seat is provided with a coupler, and the front leg pipe is provided with a bayonet lock which is clamped with a bayonet lock on the coupler in a folding state.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the lifting rocker arranged at the second joint is hinged with the rear end of the seat frame on the front foot pipe, so that when the seat frame is folded, only the unlocking button is needed to be pressed, the handle upper pipe is bent towards the handle lower pipe, the handle lower pipe can be folded automatically relative to the rear foot pipe by means of the gravity of the handle upper pipe, the handle lower pipe and a carrier, and meanwhile, the seat frame is driven by the lifting rocker to lift upwards, and the front foot pipe is pulled by the seat frame to be close to the rear foot pipe, so that the automatic folding is completed.
2. According to the invention, the first front wheel and the second front wheel are arranged on the inner sides of the first rear wheel and the second rear wheel, so that the baby carriage can stand still in a folded state, and can hold the baby handrail to pull the baby carriage to move forwards, thereby facilitating the carrying of the baby carriage.
Description of the drawings:
FIG. 1 is a perspective view of the invention in its expanded state;
FIG. 2 is a front view of the invention in its expanded state;
FIG. 3 is a perspective view of the present invention in a collapsed state;
fig. 4 is a second perspective view of the present invention in its expanded state.
Reference numerals illustrate:
1 handle upper tube 11 first unlocking device 111 shell
112 unlock button 113 shifting block 2 handle down tube
3 first joint 31 first rotating body 32 second rotating body
33 third rotor 34 first locking means 341 second unlocking means
4 front foot tube 41 first front wheel 42 second front wheel
43 bayonet 5 rear foot tube 51 first rear wheel
Second joint of the second rear wheel 6 baby armrest 7
71 fourth rotor 72 fifth rotor 73 sixth rotor
8 seat frame 9 third joint 91 raising rocker
92 rotation seat 93 seventh rotation body 94 car-taking-up hook
941 clamping hole
The specific embodiment is as follows:
the invention will be further described with reference to specific examples and figures.
Fig. 1 to 4 show a quick folding structure of a stroller, which includes: the novel baby handlebar comprises a handlebar upper tube 1, a handlebar lower tube 2, a first joint 3 for connecting the handlebar upper tube 1 and the handlebar lower tube 2, a front foot tube 4, a rear foot tube 5, a baby handrail 6 and a second joint 7 for connecting the front foot tube 4 and the rear foot tube 5 with the baby handrail 6, wherein the handlebar lower tube 2 is arranged on the front foot tube 4 through a third joint 9, a freely swinging lifting rocker 91 is formed on the third joint 9, a seat frame 8 is rotatably arranged on the front foot tube 4, and the rear end of the seat frame 8 is hinged with the lifting rocker 91 and swings up and down along with the lifting rocker 91, so that the front foot tube 4 and the rear foot tube 5 can be opened and closed relatively. The lifting rocker 91 arranged at the third joint 9 is hinged with the rear end 8 of the seat frame on the front foot tube 4, so that when the seat frame is folded, only the unlocking button 112 is needed to be pressed, the handle upper tube 1 is bent towards the handle lower tube 2, the handle lower tube 2 can be folded automatically relative to the rear foot tube 5 by means of the weight of the bearing objects on the handle upper tube 1 and the handle lower tube 2 and the weight of the bearing objects, and the handle lower tube 2, and meanwhile, the lifting rocker 91 drives the seat frame 8 to lift upwards, and the seat frame 8 pulls the front foot tube 4 to close towards the rear foot tube 5, so that the automatic folding is completed.
The third joint 9 includes a rotating seat 92 mounted on the rear leg 5 and a seventh rotating body 93 mounted on one side of the rotating seat 92 and connected to the handle lower tube 2, and the rocker 91 is formed on the seventh rotating body 93.
A torsion spring is further disposed in the third joint 9, and two ends of the torsion spring are respectively contacted with the rotating seat (92) and the seventh rotating body 93. The torsion spring is in a stretched or compressed state in the unfolded state of the baby carriage, and can generate resetting torsion when being folded, the bending force of the lower handle tube 2 to the rear foot tube 5 is increased, so that the seesaw 91 and the seat frame 8 can be quickly closed to pull the front foot tube 4 and the rear foot tube 5 to be folded mutually.
The rocker 91 is connected to the rear end of the seat frame 8 by a bolt.
The front foot tube 4 is provided with a first front wheel 41 and a second front wheel 42 in parallel, the rear foot tube 5 is provided with a first rear wheel 51 and a second rear wheel 52 in parallel, and the first front wheel 41 and the second front wheel 42 are clamped inside the first rear wheel 51 and the second rear wheel 52 after being folded so as to form a stable supporting structure. By arranging the first front wheel 41 and the second front wheel 42 on the inner sides of the first rear wheel 51 and the second rear wheel 52, the baby carriage can stand still in the folded state, and the baby carriage can be held by the baby armrest 6 to pull the baby carriage to move forwards, so that the baby carriage is convenient to carry.
The first joint 3 comprises a first rotating body 31 connected with the upper handle pipe 1, a second rotating body 32 connected with the lower handle pipe 2 and matched with the first rotating body 31, a third rotating body 33 arranged on one side of the second rotating body 32, and a first locking device arranged between the first rotating body 31 and the second rotating body 32 and used for preventing the first rotating body 31 and the second rotating body 32 from rotating relatively, the upper handle pipe 1 is provided with a first unlocking device 11 used for unlocking the first locking device, the first unlocking device 11 is connected with the first locking device through a first steel wire, and the third rotating body 33 is provided with a sail frame 34.
The second joint 7 comprises a fourth rotating body 71 connected with the front foot tube 4, a fifth rotating body 72 connected with the rear foot tube 5 and matched with the fourth rotating body 71, a sixth rotating body 73 installed on one side of the fifth rotating body 72 and connected with the baby armrest 6, and a second locking device arranged between the fourth rotating body 71 and the fifth rotating body 72 and used for preventing the fourth rotating body 71 and the fifth rotating body 72 from rotating relatively, a second unlocking device 341 used for unlocking the second locking device is arranged in the first locking device 34, and the second unlocking device 341 is connected with the first locking device 34 through a second steel wire.
The first unlocking device 11 comprises a shell 111 arranged in the middle of the upper handle tube 1, an unlocking button 112 arranged on one side of the shell 111, and a shifting block 113 arranged on the other side of the shell 111 and used for unlocking the unlocking button 112, and the first steel wire is connected with the unlocking button 112.
The third joint 9 includes a rotating seat 92 mounted on the rear leg 5 and a seventh rotating body 93 mounted on one side of the rotating seat 92 and connected to the handle lower tube 2, and the rocker 91 is formed on the seventh rotating body 93.
The other side of the rotating seat 92 is provided with a coupler 94, and the front leg tube 4 is provided with a bayonet 43 which is clamped with a clamping hole 941 on the coupler 94 in the folded state.
The specific structure and linkage structure of the first joint 3, the second joint 7 and the first unlocking device 1 are as follows with reference to chinese patent publication No.: CN 204895534U.
In summary, when the stroller is unfolded, the car-taking-up hook 94 is firstly opened, then the handle upper tube 1 is held and pulled upwards, the stroller can be automatically unfolded, and the first unlocking device 11 is automatically locked after the stroller is unfolded, specifically: after the coupler 94 is opened, in the process of holding the handle upper tube 1 by a hand and pulling the handle upper tube 1 upwards, the handle upper tube 1 is opened relative to the handle lower tube 2 and drives the handle lower tube 2 to swing upwards around the third joint 9, in the process, the handle lower tube 2 drives the seventh rotating body 93 to rotate and lifts or compresses the torsion spring, the rocker 91 drives the seat frame 8 to swing downwards, in the process of swinging the seat frame 8 downwards, the seat frame 8 pushes the front foot tube 4 to expand relative to the rear foot tube 5, and finally, after the first unlocking device 11 locks the first joint 3, the whole baby carriage is in an expanded state.
When the baby carriage is folded, the shifting block 113 is firstly shifted, the unlocking button 112 is pressed, then the upper pipe of the handle 1 is pushed to bend towards the lower pipe 2 of the handle, and then the baby carriage can be automatically folded, and specifically: firstly, the shifting block 113 is shifted to unlock the unlocking button 112, meanwhile, the unlocking button 112 is pressed to unlock the first joint 3, then the handle upper tube 1 is pushed to bend towards the handle lower tube 2, after bending, due to the weight of the bearing objects on the handle upper tube 1 and the handle lower tube 2 and the weight of the bearing objects, the handle lower tube 2 can automatically draw towards the rear foot tube 5 downwards, meanwhile, the torsion spring generates reset torsion, the drawing force of the handle lower tube 2 towards the rear foot tube 5 is increased, the handle lower tube 2 is bent faster, in the process, the handle lower tube 2 can drive the seventh rotating body 93 to rotate, the lifting plate 91 drives the seat frame 8 to swing upwards, so that the front foot tube 4 and the rear foot tube 5 can be drawn towards each other, in the process of swinging the seat frame 8 upwards, finally, after the first front wheel 41 and the second front wheel 42 are clamped on the inner sides of the first rear wheel 51 and the second rear wheel 52, the center of gravity of the whole baby carriage can be clamped, and the whole baby carriage can be clamped at the position of the center of gravity of the baby carriage can be clamped, and the baby carriage can be stably folded, and the baby carriage can be folded, and the position of the baby carriage can be kept to be stably 43 can be folded.
It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (6)
1. A quick folding structure for a stroller, comprising: the novel baby seat is characterized in that the handle lower tube (2) is arranged on the front foot tube (4) through a third joint (9), a freely-swinging lifting plate (91) is formed on the third joint (9), a seat frame (8) is rotatably arranged on the front foot tube (4), the rear end of the seat frame (8) is hinged with the lifting plate (91), and swings up and down along with the lifting plate (91) to enable the front foot tube (4) and the rear foot tube (5) to be opened and closed relatively; the third joint (9) comprises a rotating seat (92) arranged on the rear foot pipe (5) and a seventh rotating body (93) arranged on one side of the rotating seat (92) and connected with the handle lower pipe (2), and the rocker (91) is formed on the seventh rotating body (93); a torsion spring is also arranged in the third joint (9), and two ends of the torsion spring are respectively contacted with the rotating seat (92) and the seventh rotating body (93); the first joint (3) comprises a first rotating body (31) connected with the upper handle pipe (1), a second rotating body (32) connected with the lower handle pipe (2) and matched with the first rotating body (31), a third rotating body (33) arranged on one side of the second rotating body (32), and a first locking device which is arranged between the first rotating body (31) and the second rotating body (32) and is used for preventing the first rotating body (31) and the second rotating body (32) from rotating relatively, wherein a first unlocking device (11) used for unlocking the first locking device is arranged on the upper handle pipe (1), the first unlocking device (11) is connected with the first locking device through a first steel wire, and a sail frame (34) is arranged on the third rotating body (33).
2. The quick folding structure of a stroller as recited in claim 1, further comprising: the rocker (91) is connected with the rear end of the seat frame (8) through a bolt.
3. The quick folding structure of a stroller as recited in claim 1, further comprising: the front foot tube (4) is provided with a first front wheel (41) and a second front wheel (42) in parallel, the rear foot tube (5) is provided with a first rear wheel (51) and a second rear wheel (52) in parallel, and the first front wheel (41) and the second front wheel (42) are clamped on the inner sides of the first rear wheel (51) and the second rear wheel (52) after being folded so as to form a stable supporting structure.
4. The quick folding structure of a stroller as recited in claim 1, further comprising: the second joint (7) comprises a fourth rotating body (71) connected with the front foot tube (4), a fifth rotating body (72) connected with the rear foot tube (5) and matched with the fourth rotating body (71), a sixth rotating body (73) arranged on one side of the fifth rotating body (72) and connected with the baby armrest (6), and a second locking device which is arranged between the fourth rotating body (71) and the fifth rotating body (72) and used for preventing the fourth rotating body (71) and the fifth rotating body (72) from rotating relatively, wherein a second unlocking device (341) used for unlocking the second locking device is arranged in the first locking device (34), and the second unlocking device (341) is connected with the first locking device (34) through a second steel wire.
5. The quick folding structure of claim 4, wherein: the first unlocking device (11) comprises a shell (111) arranged in the middle of the upper handle tube (1), an unlocking button (112) arranged on one side of the shell (111) and a shifting block (113) arranged on the other side of the shell (111) and used for unlocking the unlocking button (112), and the first steel wire is connected with the unlocking button (112).
6. The quick folding structure of a stroller as recited in claim 1, further comprising: the other side of the rotating seat (92) is provided with a coupler (94), and the front leg tube (4) is provided with a clamping pin (43) which is clamped with a clamping hole (941) on the coupler (94) in the folding state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251899.7A CN109895835B (en) | 2019-03-29 | 2019-03-29 | Quick folding structure of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251899.7A CN109895835B (en) | 2019-03-29 | 2019-03-29 | Quick folding structure of baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109895835A CN109895835A (en) | 2019-06-18 |
| CN109895835B true CN109895835B (en) | 2024-03-29 |
Family
ID=66954947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910251899.7A Active CN109895835B (en) | 2019-03-29 | 2019-03-29 | Quick folding structure of baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109895835B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005287965A (en) * | 2004-04-02 | 2005-10-20 | Uchie Kk | Foldable wheelchair type walking aid |
| CN204077748U (en) * | 2014-06-30 | 2015-01-07 | 珠海优力创工贸有限公司 | The children trolley of children trolley vehicle frame and being folded by single hand |
| CN204895534U (en) * | 2015-04-08 | 2015-12-23 | 东莞硕仕儿童用品有限公司 | Return vehicle to garage and knock off improvement structure of subassembly of infant's car interlock |
| CN205186245U (en) * | 2015-11-06 | 2016-04-27 | 易立伟 | Foldable baby carrier |
| CN207773202U (en) * | 2017-12-25 | 2018-08-28 | 深圳市秀宝婴童用品有限公司 | It is a kind of secondary to draw close the baby stroller to return the vehicle to the garage and knock off |
| CN210011782U (en) * | 2019-03-29 | 2020-02-04 | 东莞硕仕儿童用品有限公司 | Quick folding structure of baby carriage |
-
2019
- 2019-03-29 CN CN201910251899.7A patent/CN109895835B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005287965A (en) * | 2004-04-02 | 2005-10-20 | Uchie Kk | Foldable wheelchair type walking aid |
| CN204077748U (en) * | 2014-06-30 | 2015-01-07 | 珠海优力创工贸有限公司 | The children trolley of children trolley vehicle frame and being folded by single hand |
| CN204895534U (en) * | 2015-04-08 | 2015-12-23 | 东莞硕仕儿童用品有限公司 | Return vehicle to garage and knock off improvement structure of subassembly of infant's car interlock |
| CN205186245U (en) * | 2015-11-06 | 2016-04-27 | 易立伟 | Foldable baby carrier |
| CN207773202U (en) * | 2017-12-25 | 2018-08-28 | 深圳市秀宝婴童用品有限公司 | It is a kind of secondary to draw close the baby stroller to return the vehicle to the garage and knock off |
| CN210011782U (en) * | 2019-03-29 | 2020-02-04 | 东莞硕仕儿童用品有限公司 | Quick folding structure of baby carriage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109895835A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018103377A1 (en) | Foldable stroller frame and foldable stroller | |
| CN210011782U (en) | Quick folding structure of baby carriage | |
| WO2017107506A1 (en) | Baby stroller and collapsible mechanism thereof, and method of collapsing and folding baby stroller | |
| WO2016070773A1 (en) | Foldable stroller | |
| CN107985378B (en) | Child cart | |
| CN107757693B (en) | Baby carriage frame capable of realizing four folding | |
| CN106364541B (en) | A kind of foldable chassis | |
| CN210653267U (en) | Baby carriage framework convenient to fold | |
| CN109895835B (en) | Quick folding structure of baby carriage | |
| CN205554280U (en) | Three folding bassinets | |
| CN111204369A (en) | Infant stroller | |
| CN210653254U (en) | Baby carriage framework | |
| CN206826722U (en) | Baby carriage | |
| CN205632628U (en) | Collapsible baby's shallow | |
| CN205652188U (en) | Collapsible perambulator | |
| CN204736902U (en) | Folding bassinet | |
| CN209888910U (en) | Baby carriage frame | |
| CN211844589U (en) | Baby carriage framework and baby carriage | |
| CN106741092B (en) | Foldable baby stroller | |
| CN106741093B (en) | Foldable baby stroller | |
| CN211494195U (en) | Foldable frame | |
| CN210653255U (en) | Baby carriage framework convenient to automatically fold | |
| CN211592677U (en) | Automatic folding baby carriage frame and automatic folding baby carriage | |
| CN210000382U (en) | baby stroller | |
| CN110755215A (en) | Folding wheelchair support |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |