CN112776867B - Folding frame for baby carriage - Google Patents
Folding frame for baby carriage Download PDFInfo
- Publication number
- CN112776867B CN112776867B CN202110271518.9A CN202110271518A CN112776867B CN 112776867 B CN112776867 B CN 112776867B CN 202110271518 A CN202110271518 A CN 202110271518A CN 112776867 B CN112776867 B CN 112776867B
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- frame
- handle
- folding
- wheel frame
- base frame
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- 210000001364 upper extremity Anatomy 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
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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 application provides a baby carriage folding framework, which comprises a base frame, a wheel frame, a rotating piece, a handheld carrying handle and a connecting rod set. The wheel frame is arranged on the base frame in a sliding manner; the rotating element can rotate relative to the base frame, and the rotating element can rotate around the axis of the rotating element towards the longitudinal axis direction of the base frame; the handheld carrying handle is connected with the rotating piece; the connecting rod group is arranged between the handheld handle and the wheel frame, and when the handheld handle and the rotating piece rotate relative to the base frame, the wheel frame is driven by the connecting rod group to slide and stretch on the base frame so as to unfold or fold the wheel frame. In this application, when handheld carrying handle drives the rotating member and rotates, can effectively drive the linkage and remove to drive the sliding shrinkage on the bed frame of wheel frame, effectively realize when the perambulator is folded up through the whole volume of shrink wheel frame in order to further reduce the perambulator, make things convenient for father and mother to carry, simple structure, convenient operation.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the field of articles for babies and children, in particular to a folding framework of a baby carriage.
[ background of the invention ]
The structure of the baby carriage sold in the market is complex, and when the baby carriage is folded, the volume of the folded baby carriage is large, so that the baby carriage is inconvenient for parents to carry.
[ summary of the invention ]
In order to further reduce the volume of the folded baby carriage so that parents can conveniently carry the baby carriage, the folding framework of the baby carriage is simple in structure and convenient to operate.
The application is realized by the following technical scheme:
baby carriage folding skeleton includes:
a base frame;
the wheel frame is arranged on the base frame in a sliding manner;
the rotating element can rotate relative to the base frame, and the rotating element can rotate around the axis of the rotating element towards the longitudinal axis direction of the base frame;
a hand-held handle connected to the rotating member;
the connecting rod group is arranged between the handheld handle and the wheel frame, and when the handheld handle and the rotating piece rotate relative to the base frame, the connecting rod group is used for linking the wheel frame to enable the wheel frame to slide and stretch on the base frame so as to unfold or fold the wheel frame.
The baby carriage folding framework is characterized in that the connecting rod group is connected with the handheld carrying handle.
The baby carriage folding framework is characterized in that the connecting rod group is connected with the rotating piece.
The folding framework of the baby carriage further comprises a folding control mechanism which locks the rotating member on the base frame or unlocks the rotating member when the wheel frame is unfolded.
The folding frame of the baby carriage is characterized in that the handle is an operating piece of the folding control mechanism, and the handle is used for enabling the folding control mechanism to lock or unlock the rotating piece on the base frame when the wheel frame is unfolded.
The folding framework of the baby carriage further comprises:
and the seat is arranged on the rotating piece, and synchronously rotates along with the rotating piece when the handheld lifting handle and the rotating piece rotate relative to the base frame to drive the wheel frame to be folded.
The baby carriage folding framework comprises a rotating piece, a seat connecting part and a handheld carrying handle, wherein the rotating piece is provided with a seat connecting part for mounting the seat forwards or backwards, the seat comprises a seat part and a backrest part which can be mutually drawn together or unfolded, the handheld carrying handle is shielded at the front side when the seat part and the backrest part are mutually unfolded, and the handheld carrying handle is exposed at the front side when the seat part and the backrest part are mutually drawn together.
The folding skeleton of baby carriage as described above further comprises:
and the handle is fixedly connected with the rotating piece, and when the handheld carrying handle and the rotating piece rotate relative to the base frame to drive the wheel frame to be folded, the rotating piece drives the handle to rotate to be close to the wheel frame.
According to the folding framework of the baby carriage, the base frame is provided with the sliding groove, and the wheel frame is provided with the wheel frame sliding block capable of sliding in the sliding groove.
The foldable frame for the baby carriage comprises a base frame, a wheel frame and a front leg tube, wherein the base frame comprises the front leg tube and a rear leg tube which rotates relative to the front leg tube, one end of the wheel frame is slidably arranged on one of the front leg tube and the rear leg tube, the other end of the wheel frame is provided with a first wheel set, and the other end of the front leg tube and the rear leg tube is provided with a second wheel set.
The foldable baby carriage frame comprises a handle and a foldable joint, the handle can rotate relative to the front foot tube, the rear foot tube and the rotating piece, the foldable joint is connected with the front foot tube, the rear foot tube and the handle, and the rotating piece is rotatably connected with the foldable joint and can be locked on the foldable joint.
The foldable frame of the baby carriage comprises a front foot tube, a rear foot tube and a handle which are synchronously linked through the foldable joint.
The foldable stroller frame as described above comprises a handle rotating relative to the front leg tube and the rear leg tube, and the rotating member is rotatably connected to the handle or one of the front leg tube and the rear leg tube.
Compared with the prior art, the method has the following advantages:
in this application, when handheld carrying handle drives the rotating member and rotates, can effectively drive the connecting rod group and remove to drive the sliding shrinkage of wheel frame on the bed frame, effectively realize folding up the time at the perambulator through the whole volume of shrink wheel frame in order further to reduce the perambulator, make things convenient for father and mother to carry, simple structure, convenient operation.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic view of a foldable frame of a stroller in an embodiment, showing a wheel frame in an unfolded state;
fig. 2 is a schematic view illustrating a foldable frame of a stroller with a wheel frame in a folded state according to an embodiment;
FIG. 3 is a schematic view of a foldable frame of a stroller with a wheel frame in an unfolded state according to a second embodiment;
fig. 4 is a schematic view of the folding frame of the stroller in the unfolding or folding process of the wheel frame according to the second embodiment;
FIG. 5 is a schematic view of a foldable frame of a stroller with wheels in a folded state according to a second embodiment;
FIG. 6 is a schematic diagram of the foldable frame of the stroller in accordance with the third embodiment, wherein the wheel frame is in an unfolded state when the seat is installed forward;
FIG. 7 is a schematic diagram of the folding frame of the stroller in accordance with the third embodiment, in which the seat is installed forward, the seat part and the backrest part are close to each other;
fig. 8 is a schematic view of the folding frame of the stroller in accordance with the third embodiment, wherein the wheel frame is in the unfolding or folding process when the seat is installed forward;
fig. 9 is a schematic view of the foldable frame of the stroller in accordance with the third embodiment, wherein the wheel frame is in a folded state when the seat is installed forward;
FIG. 10 is a schematic diagram of a foldable frame of a stroller in accordance with an embodiment, wherein the wheel frame is in an unfolded state when the seat is installed backward;
fig. 11 is a schematic diagram of the folding frame of the stroller in accordance with the third embodiment, in which the seat portion and the backrest portion are moved toward each other when the seat is installed backward;
FIG. 12 is a schematic view of the foldable frame of the stroller with the seat installed backward showing the wheel frame in the unfolding or folding process;
fig. 13 is a schematic view of the foldable frame of the stroller in accordance with the third embodiment, in which the wheel frame is in a folded state when the seat is installed backward.
[ detailed description ] A
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
When the embodiments of the present application refer to ordinal numbers such as "first", "second", etc., it should be understood that the terms are used for distinguishing only when the context clearly indicates that the order is changed.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment is as follows: the folding frame of the baby carriage shown in fig. 1 and 2 comprises a base frame 1, a wheel frame 2, a rotating member 3, a handheld handle 4 and a connecting rod group 5.
The wheel frame 2 is slidably disposed on the base frame 1. The rotary part 3 can rotate relative to the base frame 1, and the rotary part 3 can rotate around the axis thereof towards the longitudinal axis direction of the base frame 1. The hand-held handle 4 is connected to the rotary member 3. The link group 5 is disposed between the handheld carrying handle 4 and the wheel frame 2, and when the handheld carrying handle 4 and the rotating member 3 rotate relative to the base frame 1, the link group 5 is used to link the wheel frame 2, so that the wheel frame 2 slides and stretches on the base frame 1 to unfold or fold the wheel frame 2, specifically, the link group 5 is connected to the handheld carrying handle 4. In this embodiment, when the handle is held to drive the rotating member to rotate, the connecting rod set can be effectively driven to move, so as to drive the wheel frame to slide and contract on the base frame, and the whole volume of the baby carriage can be further reduced by contracting the wheel frame when the baby carriage is folded, so that the baby carriage is convenient for parents to carry, and is simple in structure and convenient to operate. Specifically, in order to facilitate the sliding of the wheel frame 2 on the base frame, the base frame 1 is provided with a sliding slot 11, and the wheel frame 2 is provided with a wheel frame sliding block 21 capable of sliding in the sliding slot 11.
Further, for the convenience of using the stroller and folding the frame of the stroller, the base frame 1 includes a front leg tube 12 and a rear leg tube 13 rotating relative to the front leg tube 12, the frame of the stroller further includes a handle 7 rotating relative to the front leg tube 12, the rear leg tube 13 and the rotating member 3, and when the frame of the stroller is folded, the front leg tube 12 and the handle 7 rotate relative to the rear leg tube 13 to be close to being folded. Specifically, the rotating member 3 is rotatably connected to the handlebar 7 or one of the front leg 12 and the rear leg 13. One end of the wheel frame 2 is slidably arranged on one of the front foot tube 12 and the rear foot tube 13, the other end of the wheel frame 2 is provided with a first wheel set 14, and the other end of the front foot tube 12 and the rear foot tube 13 is provided with a second wheel set 15. In this embodiment, one end of the wheel frame 2 is slidably disposed on the rear leg tube 13, and the second wheel set 15 is disposed on the front leg tube 12.
Further, in order to reduce the folding volume of the handle, the handle 7 is a telescopic handle, and a handle button for controlling the handle to stretch is arranged on the handle 7.
Further, in order to maintain the stability of the collapsible frame of the stroller when the collapsible frame of the stroller is in the unfolded state, the collapsible frame of the stroller further comprises a folding control mechanism for locking the rotating member 3 on the base frame 1 or unlocking the rotating member 3 when the wheel frame 2 is unfolded. The folding control mechanism can adopt the existing baby carriage structure such as a bayonet lock mechanism or a clamping block mechanism to realize the locking of the rotating element 3 and the base frame 1. In order to facilitate the unlocking of the rotating member by the hand-held handle 4, the folding control mechanism may adopt a first folding control mechanism as disclosed in paragraph 45 of the specification and fig. 9 to 11 of the specification to lock the rotating member 3 on the base frame 1 and lock the front leg tube 12, the rear leg tube 13 and the handle 7 in the chinese utility model patent with the reference of 201821077409.3, in which the hand-held handle 4 is an operating member of the folding control mechanism for locking the rotating member 3 on the base frame 1 or unlocking the rotating member 3 when the wheel frame 2 is unfolded, and by which the unlocking of the rotating member is enabled to rotate the hand-held handle 4 about its axis so that the rotating member rotates relative to the base frame and unlocks the front leg tube 12, the rear leg tube 13 and the front leg tube 12 by the handle 7 when folded, The rear foot tube 13 and the handle 7 can rotate relatively to fold. Of course, two separate unlocking mechanisms may be provided to unlock the rotary member and unlock the relative rotation of the front leg 12, the rear leg 13 and the handlebar 7, respectively.
The working principle of the embodiment is as follows:
when the folding framework of the baby carriage needs to be folded, the handle is rotated and unlocked around the axis of the handle to enable the rotating piece to rotate relative to the base frame and enable the front foot tube, the rear foot tube and the handle to rotate relative to each other for folding, a user firstly rotates the folding handle, the front foot tube and the rear foot tube and then drives the rotating piece to rotate through the handle, the connecting rod group can be effectively driven to move, and therefore the wheel frame is driven to slide and retract on the base frame. The baby carriage has the advantages that the overall size of the baby carriage is further reduced by contracting the wheel frame when the baby carriage is folded, the baby carriage is convenient for parents to carry, the structure is simple, and the operation is convenient.
Example two: as shown in fig. 3 to 5, the present embodiment is different from the first embodiment in that the linkage 5 is connected to the rotating member 3. In this embodiment, the hand-held handle and the connecting rod set are separately arranged, but are connected with the rotating member 3, so that the folding joints and the arm of force of the hand-held handle 4 can be increased when the baby carriage folds and unfolds the skeleton, the baby carriage is easier to unfold, and the use is more convenient.
Furthermore, the handle 7 is fixedly connected with the rotating member 3, in order to simplify the folding operation step of the folding frame of the stroller, when the user drives the handle 7 to rotate for folding, the user can synchronously drive the rotating member 3 to rotate, so that the synchronous stroller wheel frame 2 slides and folds on the base frame, and the synchronous folding wheel frame is realized when the handle 7 is folded, and the stroller frame has a simple structure and is convenient to operate.
Further, for convenience of installation, the base frame 1 includes a folding joint 8 connecting the front leg tube 12, the rear leg tube 13 and the handle 7, and the rotating member 3 and the handle 7 are rotatably connected with the folding joint 8 and can be locked on the folding joint 8. In order to improve the linkage of the folding framework of the baby carriage during folding and unfolding, the front foot tube 12, the rear foot tube 13 and the handle 7 are connected through the synchronous linkage of the folding joint 8, the folding joint 8 can adopt a baby carriage with a linkage unlocking structure as the name, and in the Chinese utility model patent with the patent number of 201821077409.3, the linkage folding joint structure disclosed in the 42 th section of the specification is connected with the front foot tube 12, the rear foot tube 13 and the handle 7 for realizing the synchronous rotation of the folding front foot tube 12 when the handle 7 is rotated and folded. The folding operation steps of the folding framework of the baby carriage can be further simplified, and the baby carriage is convenient to use.
Example three: as shown in fig. 6 to 13, the present embodiment is different from the first embodiment in that the folding frame of the stroller further includes a seat 6, the seat 6 is mounted on the rotating member 3, and when the handheld handle 4 and the rotating member 3 rotate relative to the base frame 1 to fold the wheel frame 2, the seat 6 rotates synchronously with the rotating member 3. When the rotating member is driven to rotate the folding wheel frame, the seat can be synchronously driven to fold, thereby further simplifying the folding operation steps of the folding framework of the baby carriage, and the folding wheel frame has simple structure and convenient use.
In order to improve the use universality, a seat connecting part 9 for installing the seat 6 forwards or backwards is arranged on the rotating member 3, the seat connecting part 9 can be installed with the seat 6 in a matched mode through a dovetail groove type connecting structure, the seat connecting part 9 is integrally arranged on the rotating member 3 in a forming mode, namely the seat 6 is fixedly installed on the rotating member 3 through the seat connecting part 9, and a user can adjust the orientation position as required by use. Further, in order not to hinder the use and convenient operation of perambulator, seat 6 is including seat portion 61 and back portion 62 that can draw close each other or expand, shelter from in the front side when seat portion 61 and back portion 62 expand each other handheld carrying handle 4, expose in the front side when seat portion 61 and back portion 62 draw close each other handheld carrying handle 4 to the handheld carrying handle 4 of operation drives the rotating member and rotates the wheel frame of folding up, and the relative bed frame of synchronous drive seat 6 rotates when rotating member 3 rotates simultaneously, thereby folds up the perambulator and fold up the skeleton.
The foregoing is illustrative of the various embodiments provided in connection with the detailed description and the specific implementations of the application are not intended to be limited to the illustrations. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.
Claims (13)
1. Baby carriage folding framework is characterized by comprising:
a base frame (1);
the wheel frame (2) is arranged on the base frame (1) in a sliding manner;
a rotating element (3) which can rotate relative to the base frame (1), wherein the rotating element (3) can rotate around the axis thereof towards the longitudinal axis direction of the base frame (1);
the handheld carrying handle (4) is connected with the rotating piece (3) and is used for driving the rotating piece (3) to rotate;
the connecting rod group (5) is arranged between the handheld handle (4) and the wheel frame (2), and when the handheld handle (4) and the rotating piece (3) rotate relative to the base frame (1), the connecting rod group (5) is used for linking the wheel frame (2) to enable the wheel frame (2) to slide and stretch on the base frame (1) so as to unfold or fold the wheel frame (2).
2. Stroller frame according to claim 1, characterized in that the linkage (5) is connected to the carrying handle (4).
3. Stroller folding skeleton according to claim 1, characterized in that the linkage (5) is connected to the rotation element (3).
4. Stroller folding frame according to any of claims 1-3, further comprising a folding control mechanism to lock the rotating member (3) on the base frame (1) or to unlock the rotating member (3) when the wheel frame (2) is unfolded.
5. A stroller folding skeleton according to claim 4, characterized in that the handle (4) is an operating member of the folding control mechanism for locking the rotating member (3) on the base frame (1) or unlocking the rotating member (3) when the wheel frame (2) is unfolded.
6. The stroller folding skeleton of any one of claims 1 to 3, further comprising:
and the seat (6) is arranged on the rotating piece (3), and when the handheld handle (4) and the rotating piece (3) rotate relative to the base frame (1) to drive the wheel frame (2) to be folded, the seat (6) synchronously rotates along with the rotating piece (3).
7. The stroller folding frame according to claim 6, wherein the rotating member (3) is provided with a seat connecting portion for the seat (6) to be installed forward or backward, the seat (6) comprises a seat portion (61) and a backrest portion (62) which can be mutually folded or unfolded, the hand-held carrying handle (4) is shielded at the front side when the seat portion (61) and the backrest portion (62) are mutually unfolded, and the hand-held carrying handle (4) is exposed at the front side when the seat portion (61) and the backrest portion (62) are mutually folded.
8. The stroller folding skeleton of any one of claims 1 to 3, further comprising:
the handle (7) is fixedly connected with the rotating piece (3), and when the handheld carrying handle (4) and the rotating piece (3) rotate relative to the base frame (1) to drive the wheel frame (2) to be folded, the rotating piece (3) drives the handle (7) to rotate to be close to the wheel frame (2).
9. A collapsible frame for a stroller according to claim 1, wherein the base frame (1) is provided with a sliding slot (11), and the wheel frame (2) is provided with a wheel frame sliding block (21) capable of sliding in the sliding slot (11).
10. A collapsible frame for a stroller according to any of claims 1 to 3, wherein the base frame (1) comprises a front leg (12) and a rear leg (13) rotatable relative to the front leg (12), one end of the wheel frame (2) is slidably disposed on one of the front leg (12) and the rear leg (13), the other end of the wheel frame (2) is provided with a first wheel set (14), and the other of the front leg (12) and the rear leg (13) is provided with a second wheel set (15).
11. Stroller folding frame according to claim 10, comprising a handle (7) rotatable with respect to the front leg (12), the rear leg (13) and the rotation member (3) and a folding joint (8) connecting the front leg (12), the rear leg (13) and the handle (7), wherein the rotation member (3) is rotatably connected with the folding joint (8) and lockable to the folding joint (8).
12. The stroller folding frame according to claim 11, wherein the front leg tube (12), the rear leg tube (13) and the handle bar (7) are linked together by the folding joint (8).
13. A stroller folding frame according to claim 10, characterized in that it comprises a handle (7) which is rotatable with respect to the front leg (12) and the rear leg (13), and the rotary member (3) is rotatably connected to the handle (7) or to one of the front leg (12) and the rear leg (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271518.9A CN112776867B (en) | 2021-03-12 | 2021-03-12 | Folding frame for baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271518.9A CN112776867B (en) | 2021-03-12 | 2021-03-12 | Folding frame for baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112776867A CN112776867A (en) | 2021-05-11 |
| CN112776867B true CN112776867B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110271518.9A Active CN112776867B (en) | 2021-03-12 | 2021-03-12 | Folding frame for baby carriage |
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| Country | Link |
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| CN (1) | CN112776867B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753117A (en) * | 2021-09-24 | 2021-12-07 | 广东乐美达集团有限公司 | Novel four-folding vehicle frame structure and baby carriage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0719693A2 (en) * | 1994-11-25 | 1996-07-03 | Combi Corporation | Collapsible seating apparatus |
| KR20110121213A (en) * | 2010-04-30 | 2011-11-07 | 주식회사 오스템 | stroller |
| CN204775399U (en) * | 2015-06-19 | 2015-11-18 | 好孩子儿童用品有限公司 | Collapsible children's stick for umbrella car |
| CN205311681U (en) * | 2015-12-16 | 2016-06-15 | 好孩子儿童用品有限公司 | Child cart |
| CN205554276U (en) * | 2016-03-18 | 2016-09-07 | 好孩子儿童用品有限公司 | Child cart |
| CN208646943U (en) * | 2018-07-07 | 2019-03-26 | 广东乐美达集团有限公司 | Perambulator with linkage of unlocking structure |
-
2021
- 2021-03-12 CN CN202110271518.9A patent/CN112776867B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0719693A2 (en) * | 1994-11-25 | 1996-07-03 | Combi Corporation | Collapsible seating apparatus |
| KR20110121213A (en) * | 2010-04-30 | 2011-11-07 | 주식회사 오스템 | stroller |
| CN204775399U (en) * | 2015-06-19 | 2015-11-18 | 好孩子儿童用品有限公司 | Collapsible children's stick for umbrella car |
| CN205311681U (en) * | 2015-12-16 | 2016-06-15 | 好孩子儿童用品有限公司 | Child cart |
| CN205554276U (en) * | 2016-03-18 | 2016-09-07 | 好孩子儿童用品有限公司 | Child cart |
| CN208646943U (en) * | 2018-07-07 | 2019-03-26 | 广东乐美达集团有限公司 | Perambulator with linkage of unlocking structure |
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| CN112776867A (en) | 2021-05-11 |
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