CN107226121A - A kind of foldable stroller vehicle frame - Google Patents
A kind of foldable stroller vehicle frame Download PDFInfo
- Publication number
- CN107226121A CN107226121A CN201710572435.7A CN201710572435A CN107226121A CN 107226121 A CN107226121 A CN 107226121A CN 201710572435 A CN201710572435 A CN 201710572435A CN 107226121 A CN107226121 A CN 107226121A
- Authority
- CN
- China
- Prior art keywords
- joint block
- bar joint
- block
- central shaft
- push 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.)
- Granted
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
- 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
-
- 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
- B62B2205/003—Hand-propelled vehicles or sledges being foldable or dismountable when not in use with actuation mechanisms which drive the folding or unfolding operation
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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 kind of foldable stroller vehicle frame, including preceding foot lever, rear foot lever, Seat support bar, multistage retractable hand push rod and folding joint；Folding joint includes front foot bar joint block, rear foot bar joint block, seat bar joint block, handspike joint block and central shaft；Front foot bar joint block and seat bar joint block are fixedly connected with central shaft, rear foot bar joint block is rotatably arranged on central shaft, handspike joint block is rotatably arranged on central shaft, being rotatably connected on central shaft can be while pins the unblock push rod that driving latch assembly action unblock is additionally provided with the latch assembly of rear foot bar joint block, seat bar joint block and handspike joint block, central shaft；After push rod tripper is unlocked, in two grades of expansion link retraction one-level expansion links, and then unblock push rod is driven to drive latch assembly action and realize and unlocked to rear foot bar joint block, seat bar joint block and handspike joint block；Have the advantages that simple in construction, folding step is few, manufacturing cost is low.
Description
【Technical field】
The present invention relates to the frame for baby cart for built-up pram, especially a kind of foldable stroller vehicle frame.
【Background technology】
Existing foldable stroller generally comprise mostly preceding foot lever, front component, rear foot lever, wheel assembly, handspike with
And many connecting rods, using multi link formula fold mechanism, the part of folding is more, complicated, and time length is easily loose, rock cause
Make perambulator integrally unstable, multi link formula fold mechanism operating procedure is more in addition, it is overall untidy.
The present invention is to research and propose in view of the shortcomings of the prior art.
【The content of the invention】
The technical problem to be solved in the present invention is to provide a kind of articulation structure is simple, folding step is few, manufacturing cost is low
Foldable stroller vehicle frame.
In order to solve the above technical problems, a kind of foldable stroller vehicle frame of the present invention, including：
Preceding foot lever, the preceding foot lever lower end is provided with front component；
Foot lever afterwards, the rear foot lever lower end is provided with wheel assembly；
Seat support bar, for installing seat frame；
Multistage retractable hand push rod, described multistage retractable hand push rod includes multistage retractable rod group and is arranged on multistage
The handspike of expansion link group end, described multistage retractable rod group is included to be slided in one-level expansion link, described one-level expansion link
Two grades of expansion links are connected with, described handspike, which is provided with, can make the push rod unblock of two grades of expansion link versus primary expansion link unblocks
Device；
Folding joint, described folding joint includes the front foot bar joint block and the rear foot being fixedly connected with preceding foot lever upper end
Rear foot bar joint block that bar upper end is fixedly connected, the seat bar joint block being fixedly connected with Seat support bar lower end, stretch with one-level
Handspike joint block and central shaft that contracting bar lower end is fixedly connected；Described front foot bar joint block and seat bar joint block are with
Heart axle is fixedly connected, and described rear foot bar joint block is rotatably arranged on central shaft and positioned at front foot bar joint block and seat
Between bar joint block, described handspike joint block is rotatably arranged on central shaft and is close to seat bar joint block, institute
Being rotatably connected on the central shaft stated can be while pins the clamping lock of rear foot bar joint block, seat bar joint block and handspike joint block
The unblock push rod of driving latch assembly action unblock is additionally provided with component, described central shaft, described unblock push rod is extended to
In one-level expansion link；
After push rod tripper is unlocked, in two grades of expansion link retraction one-level expansion links, and then unblock push rod is driven to drive
Latch assembly acts and realizes and rear foot bar joint block, seat bar joint block and handspike joint block are unlocked.
A kind of foldable stroller vehicle frame as described above, described latch assembly with central axis comprising being connected and can edge
Central shaft clamping lock ring body in axial sliding, the periphery of the clamping lock ring body and the first limit different provided with length vertically
Position block, the second limited block and the 3rd limited block, described rear foot bar joint block are provided with the engaged all the time with the first limited block
One stopper slot, described seat bar joint block is provided with the second position limiting structure coordinated with the second limited block, described handspike
Joint block is provided with the 3rd position limiting structure coordinated with the 3rd limited block, between described rear foot bar joint block and clamping lock ring body
The second position limiting structure and the 3rd spacing knot are inserted respectively provided with the second limited block and the 3rd limited block on driving card lock ring body
Structure and realize rear foot bar joint block and handspike joint block with respect to the driving spring that central shaft is fixed.
A kind of foldable stroller vehicle frame as described above, described central shaft is that hollow, described unblock push rod is slided
It is connected in central shaft, described unblock push rod is provided with the positioning top pressure pin of top pressure clamping lock ring body；Described unblock push rod
Provided with the guiding surface with two grades of expansion link mating reactions.
A kind of foldable stroller vehicle frame as described above, described rear foot bar joint block side is provided with fan-shaped limited block, institute
The seat bar joint block stated is provided with to coordinate with fan limited block and limited with limiting the fan-shaped of unblock back seat bar joint block slewing area
Position groove.
A kind of foldable stroller vehicle frame as described above, described rear foot bar joint block opposite side is provided with latch groove, described
Front foot bar joint block be provided with when after foot lever folding after insertion latch groove clamping lock block and driving card closing piece act spring,
The clamping lock button that driving card closing piece is exited out of latch groove is additionally provided with described front foot bar joint block.
Compared with prior art, the invention has the advantages that：
1st, preceding foot lever, rear foot lever, Seat support bar and one-level expansion link are connected at folding joint by the present invention simultaneously,
When perambulator deploys, pass through the seat bar joint block by rear foot bar joint block and handspike joint block simultaneously with fixation on center shaft
Locking, both ensure that the stability and security of frame for baby cart under deployed condition, the overall structure of the frame for baby cart simplified again.
2nd, by unlocking two grades of expansion links, and then rear foot bar joint block and handspike joint block are unlocked, then can be by
Foot lever and multistage retractable hand push rod folding are got up afterwards, few the step of unblock and unlocked step is simple.
3rd, fan-shaped limited block is provided with the side of rear foot bar joint block, is provided with and matches somebody with somebody with fan limited block on seat bar joint block
The fan-shaped stopper slot of conjunction, can reduce the shearing force that clamping lock ring body is received when frame for baby cart deploys, and can limit unblock back seat
Chair bar joint block slewing area.
4th, rear foot bar joint block opposite side be provided with latch groove, front foot bar joint block be provided with when after foot lever folding after insertion
The spring of clamping lock block and driving card the closing piece action of latch groove, is additionally provided with driving card closing piece from clamping lock on front foot bar joint block
The clamping lock button exited in groove, foot lever is arbitrarily rotated after preventing frame for baby cart in a folded configuration, foot lever weight after needing to allow
Newly recover state free to rotate, it is only necessary to which pressing clamping lock button makes clamping lock block be exited out of latch groove.
【Brief description of the drawings】
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is structure deployed condition schematic diagram of the invention；
Fig. 2 is the enlarged drawing of the part A marked in Fig. 1；
The side that Fig. 3 is connected for folding joint in the present invention with preceding foot lever, rear foot lever, Seat support bar and one-level expansion link
View；
Fig. 4 is the sectional view in Fig. 3 along B-B directions；
Fig. 5 is the enlarged drawing of the C portion marked in Fig. 4；
Fig. 6 is one of explosive view of folding joint in the present invention；
Fig. 7 is two of the explosive view of folding joint in the present invention；
Fig. 8 is the enlarged drawing of the D parts marked in Fig. 7；
Fig. 9 is the three-dimensional cutaway view of folding joint in the present invention；
Figure 10 is seat bar joint block and the partial schematic diagram of clamping lock ring body in the present invention；
Figure 11 is folded state diagram of the invention.
【Embodiment】
Embodiments of the present invention are elaborated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, a kind of foldable stroller vehicle frame in the present embodiment, including：Preceding foot lever 100, the front foot
The lower end of bar 100 is provided with front component 101；Foot lever 200 afterwards, the rear lower end of foot lever 200 is provided with wheel assembly 201；Seat support
Bar 300, for installing seat frame 500；Multistage retractable hand push rod 400, described multistage retractable hand push rod 400 includes multistage
Expansion link group 401 and the handspike 402 for being arranged on the end of multistage retractable rod group 401, described multistage retractable rod group 401 are included
Two grades of expansion links 4012, described handspike 402 are slidably connected in one-level expansion link 4011, described one-level expansion link 4011
Provided with the push rod tripper 403 that can unlock two grades of versus primary expansion links 4011 of expansion link 4012；Folding joint, it is described
Folding joint include the front foot bar joint block 1 being fixedly connected with the preceding upper end of foot lever 100, be fixedly connected with the rear upper end of foot lever 200
Rear foot bar joint block 2, be fixedly connected with the lower end of Seat support bar 300 seat bar joint block 3, with one-level expansion link 4011 under
Hold the handspike joint block 4 and central shaft 5 being fixedly connected；Described front foot bar joint block 1 and seat bar joint block 3 and center
Axle 5 is fixedly connected, and described rear foot bar joint block 2 is rotatably arranged on central shaft 5 and positioned at front foot bar joint block 1 and seat
Between chair bar joint block 3, described handspike joint block 4 is rotatably arranged on central shaft 5 and is close to seat bar joint
Being rotatably connected on block 3, described central shaft 5 can close while pinning rear foot bar joint block 2, seat bar joint block 3 and handspike
The unblock push rod 7 of the driving action unblock of latch assembly 6 is additionally provided with the latch assembly 6 of locking nub 4, described central shaft 5, it is described
Unblock push rod 7 is extended in one-level expansion link 4011；After push rod tripper 403 is unlocked, two grades of retractions of expansion link 4,012 one
In level expansion link 4011, and then unblock push rod 7 is driven to drive latch assembly 6 to act and realize to rear foot bar joint block 2, seat bar
Joint block 3 and handspike joint block 4 are unlocked.The present invention by preceding foot lever, rear foot lever, Seat support bar and one-level expansion link simultaneously
Be connected at folding joint, when perambulator deploys, by by rear foot bar joint block 2 and handspike joint block 4 simultaneously with being fixed on
Seat bar joint block 3 on heart axle is locked, and both ensure that the stability and security of frame for baby cart under deployed condition, is simplified again
The overall structure of frame for baby cart, by unlocking two grades of expansion links 4012, and then by rear foot bar joint block 2 and handspike joint block 4
Unblock, then can get up rear foot lever 200 and the multistage folding of retractable hand push rod 400, few and solution lock-step the step of unblock
It is rapid simple.
As shown in Fig. 5 to Figure 10, latch assembly 6 is included to rotate with central shaft 5 and is connected and can be along central shaft 5 in axial sliding
Clamping lock ring body 61, the periphery of the clamping lock ring body 61 and the first limited block 611, second different provided with length vertically
The limited block 613 of limited block 612 and the 3rd, described rear foot bar joint block 2 is provided with the engaged all the time with the first limited block 611
One stopper slot 21, described seat bar joint block 3 is provided with the second position limiting structure 31 coordinated with the second limited block 612, described
Handspike joint block 4 be provided with the 3rd limited block 613 coordinate the 3rd position limiting structure 41, described rear foot bar joint block 2
Inserted respectively provided with the second limited block 612 and the 3rd limited block 613 on driving card lock ring body 61 between clamping lock ring body 61
Enter the second position limiting structure 31 and the 3rd position limiting structure 41 and realize rear foot bar joint block 2 and handspike joint block 4 with respect to central shaft 5
Fixed driving spring 62；Because front foot bar joint block 1 and seat bar joint block 3 are fixedly connected with central shaft 5；Work as clamping lock
The second limited block 612 and the 3rd limited block 613 in ring body 61 insert the second position limiting structure 31 and the 3rd position limiting structure respectively
After 41, preceding foot lever, rear foot lever, Seat support bar and one-level expansion link are all relatively unrotatable, that is, are in the lock state, can be very
The angle under lock-out state between preceding foot lever, rear foot lever, Seat support bar and one-level expansion link is readily designed to meet perambulator
Integral layout；When the second limited block 612 in clamping lock ring body 61 and the 3rd limited block 613 are simultaneously from the second position limiting structure 31
Exited with the 3rd position limiting structure 41 after unblock, rear foot lever and one-level expansion link can freely be rotated around central shaft, i.e. perambulator energy
Fold, as shown in figure 11.
Described central shaft 5 is that hollow, described unblock push rod 7 is slidably connected in central shaft 5, and described unblock is pushed away
Bar 7 is provided with the positioning top pressure pin 71 of top pressure clamping lock ring body 61；Described unblock push rod 7 is provided with and two grades of expansion links 4012
The guiding surface 72 of mating reaction.The effect of guiding surface 72 is to be retracted into one-level expansion link after two grades of expansion links 4012 are unlocked
After in 4011, top pressure guiding surface 72 and then the action unblock of the driving unblock drive clamping lock of push rod 7 ring body 61.
The described side of rear foot bar joint block 2 is provided with fan-shaped limited block 22, and described seat bar joint block 3 is provided with and fan
Limited block 22 coordinates to limit the fan-shaped stopper slot 32 of the slewing area of unblock back seat bar joint block 3.While in order to reduce clamping lock
The shearing force that ring body 61 is received when frame for baby cart deploys, when frame for baby cart is in deployed condition, the lucky source of limited block 22
Extreme position in the side of stopper slot 32.
In order to which foot lever 200 is arbitrarily rotated after preventing frame for baby cart in a folded configuration, described rear foot bar joint block 2 is another
Side is provided with latch groove 23, described front foot bar joint block 1 be provided with when after the folding of foot lever 200 after insertion latch groove 23 clamping lock block
11 and the spring 12 that acts of driving card closing piece 11, driving card closing piece 11 is additionally provided with from clamping lock on described front foot bar joint block 1
The clamping lock button 13 exited in groove 23.Foot lever recovers state free to rotate again after needing to allow, it is only necessary to by clamping lock button
13 press and clamping lock block is exited out of latch groove.
Simply introduce the step of deploying again after Pram folding now：
A, multistage retractable hand push rod 400 pulled open, that is, meet two grades of expansion links 4012 and stretched out of one-level expansion link 4011
Go out, it is ensured that unblock push rod 7 is not withstood by two grades of expansion links 4012；
B, while foot lever and multistage retractable hand push rod 400 after rotating, when after foot lever and multistage 400 turns of retractable hand push rod
When moving to expanded position, the effect of the second limited block 612 and the 3rd limited block 613 in clamping lock ring body 61 in driving spring 62
In the second position limiting structure 31 of lower insertion and the 3rd position limiting structure 41, lock-out state is reached.
Claims (5)
1. a kind of foldable stroller vehicle frame, it is characterised in that including：
Preceding foot lever (100), preceding foot lever (100) lower end is provided with front component (101)；
Foot lever (200) afterwards, rear foot lever (200) lower end is provided with wheel assembly (201)；
Seat support bar (300), for installing seat frame (500)；
Multistage retractable hand push rod (400), described multistage retractable hand push rod (400) comprising multistage retractable rod group (401) with
And the handspike (402) of multistage retractable rod group (401) end is arranged on, described multistage retractable rod group (401) is stretched comprising one-level
Two grades of expansion links (4012), described handspike are slidably connected in contracting bar (4011), described one-level expansion link (4011)
(402) provided with the push rod tripper (403) that can unlock two grades of expansion link (4012) versus primary expansion links (4011)；
Folding joint, described folding joint include be fixedly connected with preceding foot lever (100) upper end front foot bar joint block (1), with
Foot lever (200) upper end is fixedly connected afterwards rear foot bar joint block (2), the seat being fixedly connected with Seat support bar (300) lower end
Bar joint block (3), the handspike joint block (4) and central shaft (5) being fixedly connected with one-level expansion link (4011) lower end；It is described
Front foot bar joint block (1) and seat bar joint block (3) be fixedly connected with central shaft (5), described rear foot bar joint block (2) can
It is rotatably arranged on central shaft (5) and is located between front foot bar joint block (1) and seat bar joint block (3), described hand push
Bar joint block (4) is rotatably arranged on central shaft (5) and is close to seat bar joint block (3), on described central shaft (5)
Being rotatably connected to can be while pins the clamping lock group of rear foot bar joint block (2), seat bar joint block (3) and handspike joint block (4)
The unblock push rod (7) of driving latch assembly (6) action unblock, described unblock are additionally provided with part (6), described central shaft (5)
Push rod (7) is extended in one-level expansion link (4011)；
After push rod tripper (403) is unlocked, in two grades of expansion link (4012) retraction one-level expansion links (4011), and then drive
Push rod (7) is unlocked to drive latch assembly (6) action and realize to rear foot bar joint block (2), seat bar joint block (3) and handspike
Joint block (4) is unlocked.
2. a kind of foldable stroller vehicle frame according to claim 1, it is characterised in that described latch assembly (6) include with
Central shaft (5) rotate connection and can along central shaft (5) clamping lock ring body (61) in axial sliding, the clamping lock ring body (61)
Periphery and the first limited block (611), the second limited block (612) and the 3rd limited block (613) different provided with length vertically,
Described rear foot bar joint block (2) is provided with the first stopper slot (21) engaged all the time with the first limited block (611), described seat
Chair bar joint block (3) is provided with the second position limiting structure (31) coordinated with the second limited block (612), described handspike joint block
(4) the 3rd position limiting structure (41) coordinated with the 3rd limited block (613), described rear foot bar joint block (2) and clamping lock are provided with
Between ring body (61) provided with the second limited block (612) and the 3rd limited block (613) on driving card lock ring body (61) respectively
Insert the second position limiting structure (31) and the 3rd position limiting structure (41) and realize rear foot bar joint block (2) and handspike joint block (4)
The driving spring (62) fixed with respect to central shaft (5).
3. a kind of foldable stroller vehicle frame according to claim 2, it is characterised in that described central shaft (5) is hollow
, described unblock push rod (7) is slidably connected in central shaft (5), and described unblock push rod (7) is provided with top pressure clamping lock ring sheet
The positioning top pressure pin (71) of body (61)；Described unblock push rod (7) is provided with leads with two grades of expansion link (4012) mating reactions
To inclined-plane (72).
4. a kind of foldable stroller vehicle frame according to any one of claims 1 to 3, it is characterised in that described rear foot lever is closed
Locking nub (2) side is provided with fan-shaped limited block (22), described seat bar joint block (3) be provided with fan limited block (22) coordinate with
The fan-shaped stopper slot (32) of limitation unblock back seat bar joint block (3) slewing area.
5. a kind of foldable stroller vehicle frame according to claim 4, it is characterised in that described rear foot bar joint block (2) is another
Side is provided with latch groove (23), described front foot bar joint block (1) be provided with when after foot lever (200) folding after insert latch groove
(23) also set on clamping lock block (11) and the spring (12) of driving card closing piece (11) action, described front foot bar joint block (1)
There is the clamping lock button (13) that driving card closing piece (11) is exited out of latch groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572435.7A CN107226121B (en) | 2017-07-14 | 2017-07-14 | Foldable baby carriage frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572435.7A CN107226121B (en) | 2017-07-14 | 2017-07-14 | Foldable baby carriage frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107226121A true CN107226121A (en) | 2017-10-03 |
| CN107226121B CN107226121B (en) | 2023-04-07 |
Family
ID=59957002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710572435.7A Active CN107226121B (en) | 2017-07-14 | 2017-07-14 | Foldable baby carriage frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107226121B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20210347400A1 (en) * | 2018-09-18 | 2021-11-11 | Jijibaba Limited | A push chair |
| CN114516361A (en) * | 2020-11-18 | 2022-05-20 | 明门瑞士股份有限公司 | Frame of baby carriage |
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| CN106004969A (en) * | 2016-06-23 | 2016-10-12 | 中山莱瑞科技有限公司 | Baby carriage frame |
| CN205769517U (en) * | 2016-05-10 | 2016-12-07 | 好孩子儿童用品有限公司 | Children trolley |
| CN205819297U (en) * | 2016-06-30 | 2016-12-21 | 浙江晨辉婴宝儿童用品有限公司 | The baby card folding structure improved and stroller |
| CN106864534A (en) * | 2017-03-06 | 2017-06-20 | 宋立新 | A kind of new three foldings children trolley vehicle frame |
| CN206968743U (en) * | 2017-07-14 | 2018-02-06 | 张发辉 | A kind of foldable stroller vehicle frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828119A (en) * | 2015-04-10 | 2015-08-12 | 好孩子儿童用品有限公司 | Baby stroller |
| CN205769517U (en) * | 2016-05-10 | 2016-12-07 | 好孩子儿童用品有限公司 | Children trolley |
| CN106004969A (en) * | 2016-06-23 | 2016-10-12 | 中山莱瑞科技有限公司 | Baby carriage frame |
| CN205819297U (en) * | 2016-06-30 | 2016-12-21 | 浙江晨辉婴宝儿童用品有限公司 | The baby card folding structure improved and stroller |
| CN106864534A (en) * | 2017-03-06 | 2017-06-20 | 宋立新 | A kind of new three foldings children trolley vehicle frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107757688B (en) * | 2017-11-20 | 2024-05-24 | 中山恒之宝婴童用品有限公司 | Baby carriage |
| US20210347400A1 (en) * | 2018-09-18 | 2021-11-11 | Jijibaba Limited | A push chair |
| US11760402B2 (en) * | 2018-09-18 | 2023-09-19 | Jijibaba Limited | Push chair |
| CN114516361A (en) * | 2020-11-18 | 2022-05-20 | 明门瑞士股份有限公司 | Frame of baby carriage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107226121B (en) | 2023-04-07 |
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