CN110723191B - Folding baby carriage - Google Patents
Folding baby carriage Download PDFInfo
- Publication number
- CN110723191B CN110723191B CN201910521047.5A CN201910521047A CN110723191B CN 110723191 B CN110723191 B CN 110723191B CN 201910521047 A CN201910521047 A CN 201910521047A CN 110723191 B CN110723191 B CN 110723191B
- Authority
- CN
- China
- Prior art keywords
- wheel
- bracket
- rotatably connected
- frame
- rod
- 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
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
Landscapes
- 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
本发明公开了一种折叠儿童推车，包括可打开和折叠的车架、连接在车架底部的前轮和后轮，车架包括推杆、底部连接前轮的前支架、底部连接后轮的后支架，推杆、前支架、后支架中的任意两个相互转动连接，且其余的一个与两个中的至少一个相转动连接，当车架在打开状态时，推杆、前支架、后支架之间相对展开,前轮和后轮的轮轴均沿左右方向延伸，当车架在折叠状态时，推杆、前支架、后支架相互靠拢，前轮和后轮均翻转至轮轴沿前后方向延伸。本折叠儿童推车，整车在完成折叠后，扁平，体积非常小，而且可以自立，结构简单，构思精巧，操作方便。
The present invention discloses a foldable baby stroller, comprising an openable and foldable frame, a front wheel and a rear wheel connected to the bottom of the frame, the frame comprising a push rod, a front bracket connected to the front wheel at the bottom, and a rear bracket connected to the rear wheel at the bottom, any two of the push rod, the front bracket, and the rear bracket are rotatably connected to each other, and the remaining one is rotatably connected to at least one of the two, when the frame is in an open state, the push rod, the front bracket, and the rear bracket are relatively spread out, and the axles of the front wheel and the rear wheel are extended in the left-right direction, and when the frame is in a folded state, the push rod, the front bracket, and the rear bracket are close to each other, and the front wheel and the rear wheel are flipped so that the axles extend in the front-back direction. The foldable baby stroller is flat and very small in size after folding, and can be self-standing, has a simple structure, a sophisticated design, and is easy to operate.
Description
Technical Field
The invention relates to a folding child stroller.
Background
Folding child strollers are widely used as a baby walker. The folding is convenient, the volume is small after folding, so that the folding baby stroller is easy to store and convenient to carry, and is a use requirement of consumers for folding baby strollers. The foldable stroller in the prior art generally comprises a foldable frame, wheels arranged below the frame, a locking device capable of locking the frame in an open state, and a seat pocket arranged on the frame and used for taking a baby. The existing folding child cart is large in size after being folded, and occupies a relatively large space for carrying and storing.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a folding child stroller, which can enable the whole stroller to be flatter after being folded and has smaller volume.
In order to achieve the aim, the technical scheme is that the foldable baby stroller comprises an openable and foldable frame, a front wheel and a rear wheel, wherein the front wheel and the rear wheel are connected to the bottom of the frame, the frame comprises a push rod, a front support, a rear support, any two of the push rod, the front support and the rear support are connected in a rotating mode, the rest of the push rod, the front support and the rear support are connected in a rotating mode, at least one of the push rod, the front support and the rear support is connected in a rotating mode, when the frame is in an open state, the push rod, the front support and the rear support are unfolded relatively, when the frame is in a folded state, the push rod, the front support and the rear support are close to each other, and the front wheel and the rear wheel are overturned to enable wheel shafts to extend in the front-rear direction.
Further, the frame also comprises
The upper push rod is rotationally connected with the upper part of the push rod;
The upper part of the upper connecting rod is rotationally connected with the lower part of the upper push rod, and the upper connecting rod is rotationally connected with the rear bracket;
the front part of the front connecting rod is rotationally connected with the front bracket;
The front part of the rear connecting rod is rotationally connected with the front connecting rod, and the rear part of the rear connecting rod is rotationally connected with the rear bracket;
And the lower sliding sleeve can be connected to the rear connecting rod in a sliding manner along the length direction of the rear connecting rod, and the lower part of the upper connecting rod is rotationally connected with the lower sliding sleeve.
Further, a first wheel turnover mechanism is arranged between the front support and the front wheel, a second wheel turnover mechanism is arranged between the rear support and the rear wheel, and the first wheel turnover mechanism and the second wheel turnover mechanism both act and respectively turn over the front wheel and the rear wheel in the process of transition of the frame from the open state to the folded state.
Still further, at least one of the first wheel tilting mechanism and the second wheel tilting mechanism includes a wheel joint that is connected to the front bracket or the rear bracket both relatively pivotally and relatively slidably and has a spiral groove, a driving lever that is provided on the front bracket or the rear bracket and is connected to the spiral groove relatively slidably, a driving portion that moves it by folding the frame and that is capable of driving the wheel joint to slide, and the front wheel or the rear wheel is mounted on the wheel joint.
Optionally, at least one of the first wheel tilting mechanism and the second wheel tilting mechanism includes a wheel joint pivotally connected to the front bracket or the rear bracket and having a spiral groove, a driving lever having an end portion slidably connected to the spiral groove, a first link connected to the driving lever, the first link being rotatably connected to the front link or the rear link, and the front wheel or the rear wheel being mounted on the wheel joint.
Optionally, the front wheel or the rear wheel is two and symmetrically arranged on the left side and the right side of the folding baby carriage, the wheel joints are two and symmetrically arranged on the left side and the right side of the folding baby carriage, the front wheel or the rear wheel is arranged on the wheel joints on the same side of the front wheel or the rear wheel, and the left end and the right end of the driving rod are respectively connected with the spiral grooves on the wheel joints on the left side and the right side in a sliding way. Furthermore, two first connecting pieces are symmetrically arranged at the left side and the right side of the folding baby stroller, and the two first connecting pieces are fixedly connected through the transverse connecting piece. Further, a second connecting piece is fixed on the front connecting rod or the rear connecting rod, and the first connecting piece is rotatably connected to the second connecting piece.
Further, the lower end of the spiral groove is communicated with a fixed groove, and when the frame is in an open state, the end part of the driving rod is connected in the fixed groove, so that the front wheel or the rear wheel is kept to extend along the left-right direction of the wheel axle.
Further, the first turnover mechanism and the second turnover mechanism are identical in structure and are symmetrically arranged on the front side and the rear side of the folding baby stroller.
Further, the lower part of the push rod, the upper part of the front bracket and the upper part of the rear bracket are coaxially and rotatably connected.
Further, the frame also comprises
The front part of the seat rod is rotationally connected with the rear bracket, and the rear part of the seat rod is rotationally connected with the upper connecting rod;
a seat plate slidably connected to the seat bar in a front-rear direction;
The front part of the pull rod is rotationally connected with the seat board, and the rear part of the pull rod is rotationally connected with the upper connecting rod.
Further, the two rear brackets are symmetrically arranged at the left side and the right side of the folding baby stroller, a rear cross rod is fixedly connected between the two rear brackets, and the front part of the seat rod is rotatably connected to the rear cross rod.
The application also provides another technical scheme that the foldable baby stroller comprises an openable and foldable frame, front wheels and rear wheels, wherein the front wheels and the rear wheels are connected to the bottom of the frame, the frame comprises a push rod, a front support, a rear support, any two of the push rod, the front support and the rear support are connected in a rotating way, one of the other two is connected with at least one of the two in a rotating way, the front wheels and the front support are connected with each other, the rear wheels and the rear support are connected through wheel joints, when the frame is folded from an open state to a folded state, the wheel joints rotate on the front support and the rear support respectively along with the folding of the frame, and the front wheels and the corresponding rear wheels are mutually close to each other.
Preferably, the frame further comprises a plurality of bars, the front and rear wheels of the frame being in contact with the ground in the collapsed condition, and at least one of the push rod or bars also being in contact with the ground, the collapsed stroller being free-standing.
Due to the adoption of the technical scheme, the folding child trolley is flat after being folded, has very small volume, can stand independently, and is simple in structure, exquisite in conception and convenient to operate.
Drawings
FIG. 1 is a schematic side view of a folding stroller in an open configuration;
FIG. 2 is a schematic perspective view of a foldable stroller in an open position according to a first embodiment;
FIG. 3 is a schematic side view of a folding child stroller in accordance with a first embodiment;
fig. 4 is a schematic perspective view of a folding stroller in a folding process according to the first embodiment;
FIG. 5 is a schematic view of the partial structure of FIG. 4;
FIG. 6 is a schematic side view of a folding child stroller in a folded condition according to a first embodiment;
FIG. 7 is a schematic front view of a foldable stroller in a folded condition according to a first embodiment;
FIG. 8 is a schematic perspective view of a foldable stroller in a folded condition according to a first embodiment;
fig. 9 is a schematic side view of a first wheel turning structure or a second wheel turning structure according to a second embodiment;
fig. 10 is a schematic front view of a first wheel turning structure or a second wheel turning structure according to the second embodiment;
FIG. 11 is a schematic structural view of a foldable stroller in accordance with a third embodiment;
FIG. 12 is a schematic view of a foldable stroller in a fourth embodiment;
FIG. 13 is a schematic view of a folding stroller in accordance with a fifth embodiment;
fig. 14 is a schematic structural view of a folding stroller in a sixth embodiment.
The reference numerals in the figures are:
1. The device comprises an upper push rod, a lower push rod, a 3, an upper connecting rod, a 4, a front bracket, a 5, a rear bracket, a 6, a front connecting rod, a 7, a rear connecting rod, a 8, a lower sliding sleeve, a 9, a front wheel, a 10, a rear wheel, a 11, a seat rod, a 12, a seat plate, a 13, a pull rod, a 14, a rear cross rod, a 15, a front cross rod, a 16a, a front wheel joint, a 16b, a rear wheel joint, a 17a, a front spiral groove, a 18a, a front driving rod, a 18b, a rear driving rod, a 19a, a front first connecting piece, a 19b, a rear first connecting piece, a 20a, a front second connecting piece, a 20b, a rear second connecting piece, a 21a, a front fixing groove, a 22a, a front transverse connecting rod, a 23, a joint, a 24, a seat pocket joint, a 25, a seat pocket, a 26, a handrail, a 27 and a driving part.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art.
Example 1
As can be seen from the structural schematic diagrams of fig. 1 to 8, the folding child stroller in this embodiment comprises an openable and foldable frame, front wheels 8 and rear wheels 10 connected to the bottom of the frame, and locking means for locking the frame in an open state.
The frame includes push rod 2, front bracket 4 of front wheel 9 is connected to the bottom, rear bracket 5 of rear wheel 10 is connected to the bottom, push rod 2, front bracket 4, rear bracket 5 any two are rotated each other and are connected, and the other one is rotated with at least one of two and is connected, when the frame is in the open condition, relatively expand between push rod 2, front bracket 4, the rear bracket 5, the shaft of front wheel 9 and rear wheel 10 all extends along left and right directions, when the frame is in the folded condition, push rod 2, front bracket 4, rear bracket 5 draw close each other, front wheel 9 and rear wheel 10 all overturn to the shaft and extend along the fore-and-aft direction.
In this embodiment, a frame structure is provided, which includes an upper push rod 1, an upper link 3, a front link 6, a rear link 7, and a lower slide bush 8, in addition to the push rod 2, the front bracket 4, and the rear bracket 5 described above.
The upper push rod 1 is rotatably connected with the upper part of the push rod 2 through a rotating shaft a.
The upper part of the upper connecting rod 3 is rotatably connected with the lower part of the upper push rod 1 through a rotating shaft b. In this embodiment, the rotating shaft b is located below the rotating shaft a. The upper connecting rod 3 is rotatably connected with the rear bracket 5 through a rotating shaft c. The upper part of the rear bracket 5, the upper part of the front bracket 4 and the lower part of the push rod 2 are rotatably connected through the same rotating shaft d. In this embodiment, the rotating shaft c is located below the rotating shafts b and d.
The front part of the front link 6 is rotatably connected to the front bracket 4 via a rotation axis h, which in this embodiment is located between the rotation axis d and the front wheels 9.
The front part of the rear link 7 is rotatably connected with the front link 6 through a rotation shaft g, and the rear part of the rear link 7 is rotatably connected with the rear bracket 5 through a rotation shaft e, which in this embodiment is located between the rotation shaft c and the rear wheel 1, i.e. the rotation shaft c is located between the rotation shaft d and the rotation shaft e.
The lower sliding sleeve 8 is slidably connected to the rear connecting rod 7 along the length direction of the rear connecting rod 7, in this embodiment, the lower sliding sleeve 8 slides between the rotating shaft g and the rotating shaft e, when the frame is in an open state, the lower sliding sleeve 8 is close to the rotating shaft e, and when the frame is in a folded state, the lower sliding sleeve 8 is close to the rotating shaft g. The lower part of the upper connecting rod 3 is rotatably connected with the lower sliding sleeve 8 through a rotating shaft f, and in this embodiment, the rotating shaft f is located below the rotating shaft c, that is, the rotating shaft c is located between the rotating shaft b and the rotating shaft f.
The upper push rod 1, the push rod 2, the upper connecting rod 3 and the rear support 5 form a first four-bar linkage mechanism, the rear support 5, the upper connecting rod 3, the rear connecting rod 7 and the lower sliding sleeve 8 form a crank slide block mechanism linked with the first four-bar linkage mechanism, and the rear support 5, the rear connecting rod 7, the front support 4 and the front connecting rod 6 form a second four-bar linkage mechanism linked with the first four-bar linkage mechanism and the crank slide block mechanism.
In a more preferred embodiment, the frame further comprises a seat bar 11 rotatably connected at a front portion thereof to the rear bracket 5 and at a rear portion thereof to the upper link 3, a seat plate 12 slidably connected to the seat bar 11 forward and backward, and a tie rod 13 rotatably connected at a front portion thereof to the seat plate 12 and at a rear portion thereof to the upper link 3. Preferably, the connection of the seat post 11 and the upper link 3 is located between the rotation axes b and c.
In this embodiment, the upper push rod 1, push rod 2, upper link 3, front bracket 4, rear bracket 5, front link 6, rear link 7, lower slide 8, front wheel 9, rear wheel 10, seat bar 11, and tie rod 13 are symmetrically provided on both left and right sides of the frame. A fixed front cross bar 15 is connected between the front brackets 4 on the left and right sides, a rear cross bar 14 is fixedly connected between the rear brackets 5 on the left and right sides, and the front portion of the seat bar 11 is rotatably connected to the rear cross bar 14.
In a more preferred embodiment, the lengths of the upper push rod 1, the push rod 2, the upper connecting rod 3, the front support 4 and the rear support 5 are close to each other, so that the frame is more square and flat after being folded.
In a more preferred embodiment, in order to enable the folding stroller to stand on its own in the folded state, at least one rod in the frame is in contact with the ground while the front and rear wheels 9, 10 are in contact with the ground, thereby providing an auxiliary support for the folding stroller to stand on its own stably. In this embodiment, the upper link 3 contacts the ground in the folded state, or the upper push rod 1 or the push rod 2 contacts the ground.
The locking device may be configured in the prior art, and the unlocking operation member of the locking device in this embodiment is disposed on the push handle above the push rod 1, and the locking device is not shown in the drawings and will not be described in detail herein because it is not the application.
A first wheel turnover mechanism is arranged between the front bracket 4 and the front wheel 9, a second wheel turnover mechanism is arranged between the rear bracket 5 and the rear wheel 10, and the first wheel turnover mechanism and the second wheel turnover mechanism both act and respectively turn over the front wheel 9 and the rear wheel 10 in the process of transition of the frame from the open state to the folded state.
The first wheel tilting mechanism and the second wheel tilting mechanism may have different structures or the same structure, and in this embodiment, the first wheel tilting mechanism and the second wheel tilting mechanism have substantially the same structure and are symmetrically disposed on the front and rear sides of the folding stroller.
Taking the first wheel tilting mechanism as an example, the structure will be described, the first wheel tilting mechanism includes a front wheel joint 16a pivotally connected to the front bracket 4 and having a front spiral groove 17a, a front driving lever 18a having an end portion slidably connected to the front spiral groove 17a, and a front first connecting member 19a connected to the front driving lever 18a, the front first connecting member 19a being rotatably connected to the front link 6, and the front wheel 9 being mounted on the front wheel joint 16 a. The front driving rod 18a and the front first connecting piece 19a can be rotatably connected or fixedly connected, and when the front driving rod 18a and the front first connecting piece are fixedly connected, the front driving rod 18a rotates by taking the axis line as the axis line in the process of sliding along the front spiral groove 17 a.
Specifically, the front wheel joints 16a are two and symmetrically connected to the bottoms of the two front brackets 4 on the left and right sides of the folding stroller, and the two front wheels 9 are respectively mounted on the front wheel joints 16a on the same side. The front driving rod 18a may be designed to be two on the left and right sides of the folding stroller, or as in the present embodiment, the front driving rod 18a may be one, and the left and right ends thereof are slidably connected to the front spiral grooves 17a on the front wheel joints 16a on the left and right sides, respectively.
Accordingly, the front first connecting members 19a are symmetrically disposed on two of the left and right sides of the folding stroller, and preferably, the two front first connecting members 19a are fixedly connected by a front cross member 22a, in this embodiment, the front cross member 22a is a front foot board of the folding stroller, and when a child sits on the seat board 12, the front foot board can be used for placing feet thereon by the child.
In this embodiment, the front link 6 is fixed with a front second link 20a, the front second link 20a is connected to the front portion of the front link 6, and the front first link 19a is rotatably connected to the front second link 20 a.
In a more preferred embodiment, the lower end of the front spiral groove 17a is communicated with a front fixing groove 21a, and when the frame is in an open state, the end of the front driving rod 18a slides into the front spiral groove 17a and is connected in the front fixing groove 21a, so that the front wheel 9 is kept to extend along the left-right direction of the wheel axle.
The second wheel tilting mechanism in this embodiment includes a rear wheel joint 16b pivotally connected to the rear bracket 5 and having a rear spiral groove (not shown in the drawings), a rear drive lever 18b having an end portion slidably connected to the rear spiral groove, a rear first link 19b connected to the rear drive lever 18b, the rear first link 19b being rotatably connected to the rear link 7, and the rear wheel 10 being mounted on the rear wheel joint 16 b. The rear driving rod 18b and the rear first connecting piece 19b can be rotatably connected or fixedly connected.
Specifically, the rear wheel joints 16b are two and symmetrically connected to the bottoms of the two rear brackets 5 on the left and right sides of the folding stroller, and the two rear wheels 9 are respectively mounted on the rear wheel joints 16b on the same side. The rear driving rod 18b may be designed to be two on the left and right sides of the folding stroller, or as in the present embodiment, the rear driving rod 18b may have one, and the left and right ends thereof are slidably connected to the rear spiral grooves on the rear wheel joints 16b on the left and right sides, respectively. Correspondingly, the rear first connecting piece 19b is also symmetrically arranged at both the left and right sides of the folding stroller. In this embodiment, a rear second connecting member 20b is fixed to the rear link 7, the rear second connecting member 20b is connected to the rear portion of the rear link 7, and a rear first connecting member 19b is rotatably connected to the rear second connecting member 20b, and the second wheel tilting mechanism in this embodiment is different from the first wheel tilting mechanism in that there is no cross member between the two second connecting members 20 b.
In a more preferred embodiment, the lower end of the rear spiral groove communicates with a rear fixing groove (not shown in the drawings) in which the end of the rear driving rod 18b slides from the rear spiral groove and is coupled when the frame is in an open state, so that the rear wheel 10 is maintained with its axle extending in the left-right direction. Folding working principle of the cart:
When the cart is folded, the locking device is unlocked, the upper push rod 1 is rotated forwards and downwards, the push rod 2 and the upper connecting rod 3 are driven to move downwards to be close to the rear support 5, the first four-bar mechanism is folded, and the upper push rod 1 and the push rod 2 are together close to the rear support 5 from the rear direction of the rear support 5. The seat plate 12 slides backward along the seat rod 11 while the first four-bar linkage is folded, driving the seat rod 11 and the pull rod 13 to rotate. Because the lower end of the upper push rod 1 rotates backwards, the upper end of the upper connecting rod 3 is driven to rotate backwards, so that the lower end of the upper connecting rod 3 rotates forwards, the lower sliding sleeve 8 slides forwards along the rear connecting rod 7, the front part of the rear connecting rod 7 rotates upwards to close the rear bracket 5, and the crank sliding block mechanism is folded in a linkage way. The front bracket 4 and the front connecting rod 6 are rotated to draw the rear bracket 5 together by the driving of the push rod 2 and the rear connecting rod 7, and the second four-bar mechanism is linked and folded;
When the front connecting rod 3 rotates, the front connecting rod 6 is driven to rotate, the front connecting rod 6 drives the front first connecting piece 19a to rotate through the front second connecting piece 20a, and then the front driving rod 18a is driven to move upwards, the end part of the front driving rod 18a is separated from the front fixing groove 21a and enters the front spiral groove 17a and slides upwards along the front spiral groove 17a, so that the front wheel joint 16a pivots relative to the front bracket 4, the front wheel joint 16a is driven to turn over 90 degrees, the wheel axle of the front wheel 9 extends along the front-rear direction, and the front wheel 9 is positioned between the front brackets 4 on two sides;
When the rear connecting rod 3 rotates, the rear connecting rod 7 is driven to rotate, the rear connecting rod drives the rear first connecting piece 19b to rotate through the rear second connecting piece 20b, and then drives the rear driving rod 18b to move upwards, the end part of the rear driving rod 18b breaks away from the rear fixing groove, enters the rear spiral groove and slides upwards along the rear spiral groove, so that the rear wheel joint 16b pivots relative to the rear bracket 5, the rear wheel joint 16b is driven to turn over 90 degrees, the wheel shaft of the rear wheel 10 extends along the rear direction, and the rear wheel 10 is positioned between the rear brackets 5 on two sides;
And (5) finishing the whole vehicle folding until all the parts are mutually closed.
Example two
Referring to fig. 9 and 10, the present embodiment provides a structure of a first wheel tilting mechanism and a second wheel tilting mechanism different from the other structure of the first embodiment.
The first wheel tilting mechanism in this embodiment includes a wheel joint 16a which is connected to the front frame 4 so as to be pivotable and slidable with respect to each other and has a spiral groove 17a, a drive lever 18a which is provided on the front frame 4 so as to be connected to the spiral groove 17a so as to be slidable with respect to each other, a drive section 27 which is moved by folding the frame and which is capable of driving the wheel joint 16a to slide, and the front wheel 9 is mounted on the front wheel joint 16 a. The front driving rod 18a in this embodiment is fixedly disposed on the front bracket 4, and the front driving rod 18a in this embodiment may be two or only one front driving rod may be disposed on the left and right sides of the folding stroller, and the left and right ends of the front driving rod are fixedly connected with the front brackets 4 on the left and right sides, respectively. The driving part 27 is preferably a flexible member, such as a traction cable, and the driving part 27 may also be a rigid member, and another spiral groove is preferably provided on the front bracket 4, and the driving part 27 can be relatively slidably connected to the spiral groove, so as to avoid interference between the driving part 27 and the front bracket 4 when the front wheel joint 16a pivots. The driving part 27 shown in fig. 9 and 10 is provided outside the front bracket 4, and it may also be provided inside the front bracket 4 to make the appearance of the cart more compact. The first wheel tilting mechanism in this embodiment is less limited by the frame structure, and can be applied to more types of frames.
Similar to the embodiment, the first wheel tilting mechanism and the second wheel tilting mechanism may be different in structure or identical in structure, and in this embodiment, the two mechanisms are identical in structure and symmetrically disposed on the front and rear sides of the folding stroller. The specific structure of the second wheel tilting mechanism will not be described in detail here.
Folding working principle of the cart:
when the cart is folded, the locking device is unlocked, and the folding operation of the cart frame is the same as that of the first embodiment;
The frame drives a driving part 27 arranged on the front side of the cart to move upwards when being folded, the driving part 27 pulls a front wheel joint 16a to move upwards, the front wheel joint 16a is pivoted relative to a front bracket 4 under the interaction of a front driving rod 18a and a front spiral groove 17a in the process of moving the front wheel joint 16a upwards, the front wheel joint 16a is driven to turn over by 90 degrees, the wheel shaft of a front wheel 9 extends along the front-rear direction, and the front wheel 9 is positioned between the front brackets 4 on two sides;
The frame also drives a driving part 27 arranged at the rear side of the cart to move upwards when being folded, the driving part 27 pulls the rear wheel joint 16b to move upwards, the rear wheel joint 16b pivots relative to the rear bracket 5 under the interaction of the rear driving rod 18b and the rear spiral groove 17b in the process of moving the rear wheel joint 16b upwards, the rear wheel joint 16b is driven to turn over by 90 degrees, the wheel axle of the rear wheel 10 extends along the rear-rear direction, and the rear wheel 10 is positioned between the rear brackets 5 at the two sides;
And (5) finishing the whole vehicle folding until all the parts are mutually closed.
Example III
Referring to fig. 11, this embodiment shows a frame structure of a folding stroller, in which a lower portion of a push rod 2 is rotatably connected to an upper portion of a front bracket 4, and an upper portion of a rear bracket 5 is rotatably connected to the push rod 2. The frame is connected with a seat pocket 25 through a seat pocket joint 24.
Example IV
Referring to fig. 12, the present embodiment provides a frame structure of a folding stroller, in which a lower portion of a push rod 2 is rotatably connected to an upper portion of a front bracket 4, and an upper portion of a rear bracket 5 is rotatably connected to the push rod 2. The push rod 2 is connected with an armrest 26, a seat rod 11 is connected between the front support 4 and the rear support 5, and the front part and the rear part of the seat rod 11 are respectively connected with the front support 4 and the rear support 5 in a rotating way.
Example five
Referring to fig. 13, the present embodiment shows a frame structure of a folding stroller, in which a T-shaped joint 23 is fixedly connected to the upper end of a rear bracket 5, and the lower portion of a push rod 2 and the upper portion of a front bracket 4 are rotatably connected to the joint 23, respectively.
Example six
Referring to fig. 14, this embodiment shows a frame structure of a folding stroller, in which an upper portion of a front bracket 4 is rotatably connected with an upper portion of a rear bracket 5, a seat pocket joint 24 is fixedly connected to an upper portion of the front bracket 4 or an upper portion of the rear bracket 5, and a lower portion of a push rod 2 is rotatably connected with the seat pocket joint 24.
The folding child cart in the above embodiments, when folded, the front wheel and the rear wheel are both automatically turned over to the inner side of the frame while the frame is folded, and are positioned on the left and right inner sides of the frame, the wheel shafts extend in front and back directions, and the whole cart is flat after being folded, has very small volume, can stand up, has a simple structure, is exquisite in conception, and is convenient to operate.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (14)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE212019000366.4U DE212019000366U1 (en) | 2018-09-29 | 2019-11-14 | Collapsible stroller |
| GB2104399.7A GB2591916B (en) | 2018-09-29 | 2019-11-14 | Folding stroller |
| PCT/CN2019/118296 WO2020064025A1 (en) | 2018-09-29 | 2019-11-14 | Folding stroller |
| US17/280,957 US11904925B2 (en) | 2018-09-29 | 2019-11-14 | Folding stroller |
| JP2021600117U JP3234584U (en) | 2018-09-29 | 2019-11-14 | Folding stroller |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018216062745 | 2018-09-29 | ||
| CN201821606274.5U CN209064173U (en) | 2018-09-29 | 2018-09-29 | folding stroller |
| CN201811146816X | 2018-09-29 | ||
| CN201811146816.XA CN109178077A (en) | 2018-09-29 | 2018-09-29 | Folding baby cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110723191A CN110723191A (en) | 2020-01-24 |
| CN110723191B true CN110723191B (en) | 2024-11-29 |
Family
ID=69217076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521047.5A Active CN110723191B (en) | 2018-09-29 | 2019-06-17 | Folding baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110723191B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660228A (en) * | 2020-12-11 | 2021-04-16 | 好孩子儿童用品有限公司 | Folding cart |
| CN112519864A (en) * | 2020-12-22 | 2021-03-19 | 嘉善益恒机械科技股份有限公司 | Three-section folding type children's carriage |
| CN120663994A (en) | 2021-06-16 | 2025-09-19 | 明门瑞士股份有限公司 | baby carriage |
| CN113320587B (en) * | 2021-07-14 | 2025-02-07 | 福建欧仕儿童用品股份有限公司 | A new type of folding cart |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210680883U (en) * | 2018-09-29 | 2020-06-05 | 好孩子儿童用品有限公司 | folding stroller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792694A (en) * | 2005-12-22 | 2006-06-28 | 好孩子儿童用品有限公司 | Children carriage |
| CN202863517U (en) * | 2011-11-28 | 2013-04-10 | 好孩子儿童用品有限公司 | Foldable stroller |
| CN206968741U (en) * | 2017-06-14 | 2018-02-06 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN207311555U (en) * | 2017-09-25 | 2018-05-04 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
| CN107985378B (en) * | 2017-11-28 | 2024-05-10 | 好孩子儿童用品有限公司 | Strollers |
-
2019
- 2019-06-17 CN CN201910521047.5A patent/CN110723191B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210680883U (en) * | 2018-09-29 | 2020-06-05 | 好孩子儿童用品有限公司 | folding stroller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110723191A (en) | 2020-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210680883U (en) | folding stroller | |
| CN110723191B (en) | Folding baby carriage | |
| US8087689B2 (en) | Compact collapsible stroller | |
| CN111391908B (en) | Children's barrow | |
| CN110481621B (en) | Child cart | |
| CN110104048A (en) | It can be with the tricycle and selection status method of rotary state and steering state operation | |
| CN111152826B (en) | Child cart | |
| TW201706173A (en) | Cart | |
| CN205327138U (en) | Multidimension degree folding children handcart | |
| CN207790798U (en) | Folding trolley | |
| CN213974150U (en) | Children's barrow | |
| CN112319591B (en) | Child cart | |
| CN110481623B (en) | Folding stroller | |
| CN104290793A (en) | Bidirectional folding stroller | |
| CN206968735U (en) | A kind of go-cart for double child | |
| CN106275036B (en) | Folding trolley | |
| CN210707576U (en) | Infant stroller | |
| CN213199878U (en) | Frames and strollers for strollers | |
| CN210653260U (en) | Frame of baby carriage | |
| CN208344304U (en) | Bi-directional foldable stroller | |
| CN204309868U (en) | child umbrella handle vehicle | |
| CN203996361U (en) | Children trolley | |
| CN106043402A (en) | Child stroller | |
| CN206307088U (en) | Children trolley | |
| CN111017097B (en) | Baby carriage |
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 |