CN108995699B - Folding mechanism of baby carriage - Google Patents
Folding mechanism of baby carriage Download PDFInfo
- Publication number
- CN108995699B CN108995699B CN201810953158.9A CN201810953158A CN108995699B CN 108995699 B CN108995699 B CN 108995699B CN 201810953158 A CN201810953158 A CN 201810953158A CN 108995699 B CN108995699 B CN 108995699B
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- China
- Prior art keywords
- rotating sleeve
- transverse shaft
- sleeve
- sliding block
- supporting leg
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
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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 discloses a folding mechanism of a baby carriage, which comprises a first supporting leg connected with wheels and a transverse shaft transversely arranged on the first supporting leg, wherein a first rotating sleeve is connected to the transverse shaft, a second supporting leg is connected to the first rotating sleeve, the lower end of the second supporting leg is connected with the wheels, the first supporting leg is fixedly connected with the transverse shaft through a fixing sleeve arranged on the first supporting leg, a locking device for limiting the rotation of the first rotating sleeve is arranged between the fixing sleeve and the first rotating sleeve, a second rotating sleeve capable of rotating relative to the first rotating sleeve is also connected to the transverse shaft, a supporting rod is connected to the second rotating sleeve, and a driving device capable of driving the locking device to unlock after the second rotating sleeve rotates is arranged between the second rotating sleeve and the fixing sleeve. When the baby carriage is folded, after the support rods are closed to the first support legs, the transverse shafts are lifted upwards, and the second support legs can be closed to the first support legs, so that the whole baby carriage is folded, and the baby carriage is simple in structure and convenient to fold.
Description
[ field of technology ]
The invention relates to a baby carrier, in particular to a folding mechanism of a baby carrier.
[ background Art ]
Along with the development of society and the progress of technology, the use of the baby carrier is also gradually popularized, and the baby carrier on the market at present can be folded back and forth and can be folded left and right, so that the baby carrier is convenient to carry and store; the existing car collecting device is complex in structure, complex in a plurality of steps and large in size after no folding. Therefore, a baby carriage which is convenient to use, simple in structure and small in size after being folded is highly desired.
The present invention has been made in view of the above-mentioned drawbacks of the prior art.
[ invention ]
The invention aims to solve the technical problem of providing a folding mechanism of a baby carriage, which is convenient to operate and simple in structure.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a folding mechanism of perambulator, its characterized in that, including the first supporting leg that is connected with the wheel and transversely set up the transverse shaft on first supporting leg, be connected with the first cover that rotates rather than rotating on the transverse shaft, first cover that rotates is connected with the second supporting leg, second supporting leg lower extreme is connected with the wheel, first supporting leg is through setting up fixed cover and transverse shaft fixed connection above that, fixed cover and first cover that rotates between be provided with the locking device that restricts first cover pivoted, transverse shaft on and lie in one side of fixed cover still be connected with the second cover that rotates rather than rotating, the second rotate and be connected with the bracing piece on sheathe in, be provided with between second cover and the fixed cover and rotate the drive arrangement that can drive locking device unblock after the second rotates the cover.
The folding mechanism of the baby carriage is characterized in that the locking device comprises a first sliding block which is arranged in the first rotating sleeve and can axially move along the first rotating sleeve, a limiting groove which can be used for allowing one end of the first sliding block to be inserted into to limit the rotation of the first rotating sleeve is formed in the fixed sleeve, and a first spring which can enable the first sliding block to be kept in the limiting groove in a baby carriage unfolding state is arranged between the first sliding block and the first rotating sleeve.
The folding mechanism of the baby carriage is characterized in that the driving device comprises a second sliding block which is arranged in the fixed sleeve and can axially move along the fixed sleeve, a slot which can be used for inserting one end of the second sliding block is arranged on the second rotating sleeve, the end part of the second sliding block is an arc surface, and the slot is provided with an arc surface groove matched with the end part of the second sliding block; one end of the second sliding block is propped against the first sliding block, so that the other end of the second sliding block is kept in the slot.
The folding mechanism of the baby carriage is characterized in that a hand push rod which can slide up and down in the support rod and can drive the second rotating sleeve to rotate after sliding downwards is arranged in the support rod.
The folding mechanism of the baby carriage is characterized in that the transverse shaft is internally provided with the locking pin capable of sliding along the radial direction of the transverse shaft, the second rotating sleeve is internally provided with the locking groove for the locking pin to be inserted, a second spring capable of keeping the locking pin in the locking groove when the baby carriage is unfolded is further arranged between the locking pin and the transverse shaft, and when the push rod slides to the lower end of the support rod, the locking pin is driven to be separated from the locking groove, so that the second rotating sleeve rotates relative to the transverse shaft.
The folding mechanism of the baby carriage is characterized in that the first rotating sleeve is provided with a limiting hole along the circumferential direction of the first rotating sleeve, and the transverse shaft is provided with a protruding column penetrating into the limiting hole.
The folding mechanism of the baby carriage is characterized in that the fixing sleeve is provided with the through hole, and the fixing sleeve is fixedly connected with the transverse shaft through a screw arranged in the through hole.
Compared with the prior art, the folding mechanism of the baby carriage achieves the following effects:
when the baby carriage is folded, the hand push rod is pushed to slide downwards in the support rod, the lower end of the hand push rod is retracted to a certain position in the support rod to drive the second rotating sleeve to rotate relative to the transverse shaft, the upper end of the support rod is closed towards the first support leg, and when the second rotating sleeve rotates, the second sliding block in the fixed sleeve can prop against the first sliding block in the first rotating sleeve to be separated from the limiting groove, so that the first rotating sleeve rotates relative to the transverse shaft, and when the support rod is closed towards the first support leg, the second support leg can be closed towards the first support leg only by lifting the transverse shaft upwards, so that the whole baby carriage is folded. The whole baby carriage is simple in structure, convenient to fold, capable of achieving single-hand vehicle collection, small in size after folding, convenient to carry and capable of achieving automatic clamping when being unfolded.
[ description of the drawings ]
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is one of the perspective views of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an exploded view of the components of the present invention;
FIG. 5 is a block diagram of the first rotating sleeve and stationary sleeve of the present invention when locked;
FIG. 6 is a cross-sectional view of the present invention;
FIG. 7 is a cross-sectional view of a first rotating sleeve and stationary sleeve of the present invention;
FIG. 8 is one of the schematic views of the present invention during folding;
FIG. 9 is a second schematic view of the present invention during folding;
reference numerals:
1. a first support leg; 2. a transverse axis; 21. a locking pin; 22. a second spring; 23. a protruding column; 3. a first rotating sleeve; 31. a limiting hole; 4. a second support leg; 5. a fixed sleeve; 51. a limit groove; 52. a through hole; 6. a second rotating sleeve; 61. a slot; 62. a locking groove; 7. a first slider; 8. a second slider; 9. a first spring; 10. a support rod; 11. a hand push rod.
[ detailed description ] of the invention
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 9, a folding mechanism of a stroller comprises a first supporting leg 1 connected with a wheel and a transverse shaft 2 transversely arranged on the first supporting leg 1, wherein a first rotating sleeve 3 capable of rotating relative to the transverse shaft 2 is connected to the transverse shaft 2, a second supporting leg 4 is connected to the first rotating sleeve 3, the lower end of the second supporting leg 4 is connected with the wheel, the first supporting leg 1 is fixedly connected with the transverse shaft 2 through a fixed sleeve 5 arranged on the first supporting leg 1, a locking device for limiting the first rotating sleeve 3 to rotate is arranged between the fixed sleeve 5 and the first rotating sleeve 3, a second rotating sleeve 6 capable of rotating relative to the first rotating sleeve is further connected to one side of the transverse shaft 2, a supporting rod 10 is connected to the second rotating sleeve 6, and a driving device capable of driving the locking device to unlock after the second rotating sleeve 6 rotates is arranged between the second rotating sleeve 6 and the fixed sleeve 5.
When the baby carriage is folded, the support rod is firstly controlled to rotate the second rotating sleeve, the locking restriction between the fixed sleeve and the first rotating sleeve is released through the driving device, so that the first rotating sleeve can rotate relative to the transverse shaft, at the moment, only the transverse shaft is lifted upwards, the fixed sleeve is fixed with the first support leg, and the second support leg can be closed towards the direction of the first support leg, so that the whole baby carriage is folded; the front wheel supporting legs are close to the rear wheel supporting legs, and the front wheel supporting legs are easy to rotate towards the rear wheel supporting legs when the transverse shaft is lifted, so that the whole baby carriage is simple in structure, convenient to fold, small in size and convenient to carry after being folded, and the baby carriage can be folded by one hand.
As shown in fig. 1 to 9, in this embodiment, the locking device includes a first slider 7 disposed in the first rotating sleeve 3 and capable of moving axially along the first rotating sleeve 3, a limiting groove 51 for inserting one end of the first slider 7 to limit the rotation of the first rotating sleeve 3 is formed in the fixed sleeve 5, and a first spring 9 capable of keeping the first slider 7 in the limiting groove 51 in the unfolded state of the stroller is disposed between the first slider 7 and the first rotating sleeve 3. The second supporting leg can be automatically clamped.
As shown in fig. 1 to 9, in this embodiment, the driving device includes a second slider 8 disposed in the fixed sleeve 5 and capable of moving along the axial direction of the fixed sleeve 5, the second rotating sleeve 6 is provided with a slot 61 into which one end of the second slider 8 is inserted, the end of the second slider 8 is in an arc surface, and the slot 61 has an arc surface groove matched with the end of the second slider 8; one end of the second slider 8 is pressed against the first slider 7 so that the other end of the second slider 8 is held in the slot 61. The second rotating sleeve is rotated, the slot 61 drives the second sliding block to move towards the other end, and then the first sliding block is propped up, so that the first sliding block slides out of the limit groove, and the limit is released.
As shown in fig. 1 to 9, in the present embodiment, a hand push rod 11 capable of sliding up and down therein and driving the second rotating sleeve 6 to rotate after sliding down is provided in the support rod 10. The locking device capable of preventing the second rotating sleeve from rotating is arranged between the second rotating sleeve and the transverse shaft, and the hand push rod is arranged in the supporting rod, so that the locking device can be driven to unlock after the hand push rod slides downwards, and the second rotating sleeve is driven to rotate.
Specifically, as shown in fig. 6, a locking pin 21 capable of sliding along the radial direction of the transverse shaft 2 is disposed in the transverse shaft 2, a locking groove 62 into which the locking pin 21 can be inserted is disposed in the second rotating sleeve 6, a second spring 22 capable of keeping the locking pin 21 in the locking groove 62 when the stroller is unfolded is further disposed between the locking pin 21 and the transverse shaft 2, and when the push rod 11 slides to the lower end of the support rod 10, the locking pin 21 is driven to be separated from the locking groove 62, so that the second rotating sleeve 6 rotates relative to the transverse shaft 2;
when the baby carriage is folded, the hand push rod is pushed to slide downwards in the support rod, the lower end of the hand push rod touches the locking pin and pushes the locking pin out of the locking groove on the second rotating sleeve, the cambered surface groove at the lower end of the hand push rod and the inner wall of the second rotating sleeve enclose a circular arc shape, so that the second rotating sleeve can rotate relative to the transverse shaft, the support rod and the hand push rod rotate to close and fold towards the first support leg, after the second rotating sleeve rotates, the slot on the second rotating sleeve drives the second slide block to move, and then the first slide block is pushed to break away from the limiting groove, so that the first rotating sleeve rotates relative to the transverse shaft, and therefore, when the support rod is closed towards the first support leg, the second support leg can close towards the first support leg only by lifting the transverse shaft upwards, and the whole baby carriage is folded. The whole baby carriage has the advantages of simple structure, convenient folding, small volume after folding and convenient carrying.
As shown in fig. 1 to 9, in this embodiment, the first rotating sleeve 3 is provided with a limiting hole 31 along the circumferential direction thereof, and the transverse shaft 2 is provided with a protruding post 23 penetrating into the limiting hole 31. The first rotating sleeve can only move along the circumferential direction, radial movement can not be generated, and the rotating stability is ensured.
As shown in fig. 1 to 9, in the present embodiment, a through hole 52 is provided in the fixing sleeve 5, and the fixing sleeve 5 is fixedly connected to the transverse shaft 2 by a screw provided in the through hole 52. The transverse shaft is lifted upwards, the first supporting leg connected to the fixed sleeve 5 is fixed, the second supporting leg connected with the first rotating sleeve is close to the first supporting leg, and the connecting part of the second supporting leg is less and light relative to the first supporting leg, so that the rotating is flexible, the vehicle collecting is convenient, and the vehicle collecting by one hand can be realized.
Working principle:
when the baby carriage needs to be unfolded, the supporting rod 10 is rotated to be far away from the first supporting leg, the locking pin 21 is inserted into the locking groove 62, the second rotating sleeve is clamped, then the second supporting leg moves towards the direction far away from the first supporting leg, namely, the first rotating sleeve rotates on the transverse shaft, when the first sliding block on the first rotating sleeve is clamped into the limiting groove on the fixed sleeve through the acting force of the first spring, the automatic clamping of the second supporting leg (namely, the front wheel supporting leg) can be realized, the unfolding of the whole baby carriage is realized, and the operation is convenient.
Claims (4)
1. The folding mechanism of the baby carriage is characterized by comprising a first supporting leg (1) connected with a wheel and a transverse shaft (2) transversely arranged on the first supporting leg (1), wherein a first rotating sleeve (3) capable of rotating relative to the transverse shaft is connected to the transverse shaft (2), a second supporting leg (4) is connected to the first rotating sleeve (3), the lower end of the second supporting leg (4) is connected with the wheel, the first supporting leg (1) is fixedly connected with the transverse shaft (2) through a fixed sleeve (5) arranged on the first supporting leg, a locking device for limiting the rotation of the first rotating sleeve (3) is arranged between the fixed sleeve (5) and the first rotating sleeve (3), a second rotating sleeve (6) capable of rotating relative to the first rotating sleeve is also connected to one side of the transverse shaft (2), a supporting rod (10) is connected to the second rotating sleeve (6), and a driving device capable of unlocking the driving device after the second rotating sleeve (6) is rotated is arranged between the second rotating sleeve (6);
the locking device comprises a first sliding block (7) which is arranged in a first rotating sleeve (3) and can axially move along the first rotating sleeve (3), a limiting groove (51) which can be used for inserting one end of the first sliding block (7) to limit the rotation of the first rotating sleeve (3) is formed in the fixed sleeve (5), and a first spring (9) which can enable the first sliding block (7) to be kept in the limiting groove (51) under the unfolding state of the baby carriage is arranged between the first sliding block (7) and the first rotating sleeve (3);
the driving device comprises a second sliding block (8) which is arranged in the fixed sleeve (5) and can axially move along the fixed sleeve (5), a slot (61) which can be used for inserting one end of the second sliding block (8) is arranged on the second rotating sleeve (6), the end part of the second sliding block (8) is a cambered surface, and the slot (61) is provided with a cambered surface groove matched with the end part of the second sliding block (8); one end of the second sliding block (8) is propped against the first sliding block (7) so that the other end of the second sliding block (8) is kept in the slot (61);
the first rotating sleeve (3) is provided with a limiting hole (31) along the circumferential direction, and the transverse shaft (2) is provided with a protruding column (23) penetrating into the limiting hole (31).
2. A pushchair folding mechanism according to claim 1, wherein the support bar (10) is provided with a push bar (11) which slides up and down therein and which, after sliding down, drives the second rotating sleeve (6) in rotation.
3. A folding mechanism of a stroller as claimed in claim 2, characterized in that the transverse shaft (2) is provided with a locking pin (21) which can slide radially along the transverse shaft (2), the second rotating sleeve (6) is provided with a locking groove (62) for the locking pin (21) to be inserted, a second spring (22) which can keep the locking pin (21) in the locking groove (62) when the stroller is unfolded is arranged between the locking pin (21) and the transverse shaft (2), and when the push rod (11) slides to the lower end of the support rod (10), the locking pin (21) is driven to be separated from the locking groove (62) so that the second rotating sleeve (6) rotates relative to the transverse shaft (2).
4. A folding mechanism of a pushchair according to claim 1, wherein the fixing sleeve (5) is provided with a through hole (52), and the fixing sleeve (5) is fixedly connected with the transverse shaft (2) by a screw arranged in the through hole (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953158.9A CN108995699B (en) | 2018-08-21 | 2018-08-21 | Folding mechanism of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953158.9A CN108995699B (en) | 2018-08-21 | 2018-08-21 | Folding mechanism of baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108995699A CN108995699A (en) | 2018-12-14 |
| CN108995699B true CN108995699B (en) | 2023-11-10 |
Family
ID=64593532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953158.9A Active CN108995699B (en) | 2018-08-21 | 2018-08-21 | Folding mechanism of baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108995699B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228919A (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Baby stroller |
| CN206968743U (en) * | 2017-07-14 | 2018-02-06 | 张发辉 | A kind of foldable stroller vehicle frame |
| CN107757688A (en) * | 2017-11-20 | 2018-03-06 | 中山恒之宝婴童用品有限公司 | A kind of perambulator |
| CN107813858A (en) * | 2016-09-14 | 2018-03-20 | 婴儿推车科技有限公司 | Trolley |
| CN208774859U (en) * | 2018-08-21 | 2019-04-23 | 中山恒之宝婴童用品有限公司 | A kind of folding device of perambulator |
-
2018
- 2018-08-21 CN CN201810953158.9A patent/CN108995699B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228919A (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Baby stroller |
| CN107813858A (en) * | 2016-09-14 | 2018-03-20 | 婴儿推车科技有限公司 | Trolley |
| CN206968743U (en) * | 2017-07-14 | 2018-02-06 | 张发辉 | A kind of foldable stroller vehicle frame |
| CN107757688A (en) * | 2017-11-20 | 2018-03-06 | 中山恒之宝婴童用品有限公司 | A kind of perambulator |
| CN208774859U (en) * | 2018-08-21 | 2019-04-23 | 中山恒之宝婴童用品有限公司 | A kind of folding device of perambulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108995699A (en) | 2018-12-14 |
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