CN112208613A - Synchronous folding and interactive locking seat type stroller - Google Patents
Synchronous folding and interactive locking seat type stroller Download PDFInfo
- Publication number
- CN112208613A CN112208613A CN202011229642.0A CN202011229642A CN112208613A CN 112208613 A CN112208613 A CN 112208613A CN 202011229642 A CN202011229642 A CN 202011229642A CN 112208613 A CN112208613 A CN 112208613A
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- joint
- locking piece
- frame
- folding
- seat
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a synchronous folding and interactive locking seat type child stroller, which comprises a frame and a reversible seat, wherein the frame comprises a folding joint movably connected with the reversible seat, the folding joint comprises an upper joint, a lower joint and a rear joint, the upper joint is connected with a frame handle, the lower joint is connected with a front leg support, and the rear joint is connected with a rear leg support; the reversible seat comprises a seat adjusting mechanism movably connected with a mounting mechanism on the folding joint; the structure of the invention can effectively realize the unfolding and folding of the cart, can adjust the state of the reversible seat relative to the frame, realizes the synchronous folding state between the reversible seat and the frame by the contraction and locking of the folding joints on the frame, can effectively lock the reversible seat, greatly saves the use space, can effectively improve the service life and the use scene of the device, and increases the safety performance of the baby carriage.
Description
Technical Field
The invention relates to the technical field of baby carriage devices, in particular to a seat type baby chair stroller capable of being synchronously folded and interactively locked.
Background
The baby stroller is a mobile tool with certain bearing capacity designed for babies, is convenient for a baby father to carry a baby out or to shop, and can also be used for properly carrying some light and portable small articles, so that the baby stroller is popular with parents, a frame main body of the baby stroller generally comprises a push handle, front legs and rear legs, and a seat part generally comprises a backrest and a seat cushion. There are two kinds of baby strollers in the market at present, the first is that the seat can not be folded, and the baby stroller occupies a large space when in an idle state; the second is that the backrest of the seat can be folded and folded together with the frame, when the baby stroller is in an idle state, the backrest can be folded to be closely attached to the seat cushion, the front legs, the rear legs and the handle of the frame. The space occupied by the backrest can be reduced, and the backrest is more convenient to carry, transport and store during traveling. The infant handcart effectively solves the technical problems, and effectively facilitates the infant handcart and makes the folding volume more compact.
Disclosure of Invention
The present invention is directed to a synchronously foldable and interactively locked seat type stroller to solve the above problems in the prior art.
In order to achieve the purpose, the invention is realized by the following technical means:
a synchronous folding and interactive locking seat type stroller comprises
The frame comprises a folding joint movably connected with the reversible seat, the folding joint comprises an upper joint, a lower joint and a rear joint, the upper joint is connected with the frame handle, the lower joint is connected with the front supporting leg rod, the rear joint is connected with the rear foot rest, the frame handle comprises a frame folding button arranged on the frame handle, the frame folding button and the folding joint act, and the frame handle can be moved from an unfolded state to a folded state by pressing the frame folding button;
reversible seat, include with receive installation mechanism swing joint's on the joint seat adjustment mechanism that closes, seat adjustment mechanism is preceding to be connected with lower part braced frame, two to the orientation preceding tip that is preceding to the orientation is connected with the free end department of U type support frame respectively, two be connected with preceding crossbeam frame, back crossbeam frame, two between the braced frame of lower part respectively the top middle part position of lower part braced frame fixedly connected with handrail connecting piece respectively, the tip of two handrail connecting pieces respectively with the free end department swing joint of handrail, two seat adjustment mechanism's expansion end respectively with the free end department of seat handle be connected, the seat handle is including installing the seat adjustment button on it, upwards be connected with U type expansion bracket through activity pivot spare before the seat handle.
Furthermore, the folding joint comprises an upper joint, a lower joint and a rear joint, the upper joint locking piece of the upper joint, the lower joint locking piece of the lower joint are respectively and movably connected with the locking piece of the rear joint, and the upper joint is movably connected with the long groove on the lower joint locking piece through an upper connecting hole arranged on the upper joint locking piece.
Furthermore, the upper joint comprises an upper joint connecting rod, one end part of the upper joint connecting rod is connected with an upper joint locking piece, a vehicle folding pin is movably connected in the upper joint connecting rod, the end part of the vehicle folding pin is provided with a long slotted hole, and a spring matched with the upper joint connecting rod is arranged in the long slotted hole;
further, the lower joint comprises a lower joint connecting rod, and one end of the lower joint connecting rod is connected with a lower joint locking piece;
furthermore, the rear joint comprises a rear joint connecting rod, and one end of the rear joint connecting rod is connected with a locking piece which is connected with the upper joint and the lower joint in a matched mode.
The upper joint locking piece and the lower joint locking piece are respectively movably connected with the locking piece of the rear joint, and the upper joint is movably connected with the long groove on the lower joint locking piece through an upper connecting hole arranged on the upper joint locking piece.
Furthermore, the upper joint locking piece can be combined in a groove corresponding to the locking piece in the rear joint, the upper joint locking piece comprises at least two upper connecting holes, and at least one upper connecting hole is connected with the locking piece and the lower joint locking piece through pins.
Furthermore, the lower joint locking piece can be connected in the corresponding groove of the locking piece in the rear joint, the lower joint locking piece comprises at least three lower connecting holes, and one side of the end part of the lower joint locking piece is provided with a long groove connected with the upper joint locking piece, so that the upper joint can slide to drive the lower joint to move.
Furthermore, the locking piece is internally provided with a groove which is respectively connected with the upper joint locking piece and the lower joint locking piece, and the locking piece comprises at least two connecting holes which are respectively connected with the upper joint locking piece and the lower joint locking piece through pins.
Furthermore, the car collection pin comprises an arc-shaped joint with a sharp-edged end, a long slotted hole is formed in the inner side of the other end of the car collection pin, a spring in the axis direction of the car collection pin is arranged in the long slotted hole, the car collection pin can be matched with other parts of the trolley, stressed stretching of the car collection pin is achieved, and action matching between the upper joint and the lower joint is achieved.
Furthermore, the opposite ends of the two ends of the front foot rest are connected with front wheels through front wheel forks, the opposite ends of the two ends of the rear foot rest are provided with rear wheels through wheel axle mounting pieces, and a brake is erected between the two wheel axle mounting pieces.
The invention is applied in concrete, mainly by the installation mechanism on the folding joint and the clamping mechanism on the seat adjusting mechanism are movably matched, the taking, placing and direction adjusting of the reversible seat on the frame are realized, the folding joint is installed in the elongated slot hole of the folding pin by the spring, the folding pin is installed in the upper joint connecting rod, the upper joint is installed with the rear joint by the end part of the upper joint in the shape of a sharp blade, the lower joint is connected with the locking piece of the rear joint in a matching way by the lower joint locking piece, the lower joint locking piece is installed in the locking piece and passes through the lower connecting hole arranged on the lower joint locking piece and the connecting hole arranged on the locking piece matched with the lower connecting hole by the pin, the upper joint locking piece is installed in the locking piece and is movably connected with the upper connecting hole arranged on the upper joint locking piece and correspondingly matched with the upper connecting hole by the corresponding pin, the elongated slot on one side of the lower joint locking piece is connected with, when the vehicle frame handle is pushed to the folded state from the unfolded state, the vehicle collecting pin is ejected out, and the front end of the vehicle collecting pin is convenient to clamp on the rear joint, so that the structure is locked; the seat adjusting mechanism is acted by the seat handle button, so that the handle is excessively folded from the unfolded state, and the reversible seat is adjusted to be folded.
Compared with the prior art, the invention has the following beneficial effects:
the structure of the invention can effectively realize the unfolding and folding of the cart, can adjust the state of the reversible seat relative to the frame, realizes the synchronous folding state between the reversible seat and the frame by the contraction and locking of the folding joints on the frame, can effectively lock the reversible seat, greatly saves the use space, can effectively improve the service life and the use scene of the device, and increases the safety performance of the baby carriage.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the vehicle frame of the present invention;
FIG. 3 is a schematic view of a reversible seat construction according to the present invention;
fig. 4(1), (4), (2), (4), (3), (4), (5) are schematic views illustrating a synchronous folding state between the reversible seat and the frame;
FIG. 5 is a perspective view of the assembled foldable joint of the present invention;
FIG. 6 is an exploded view of the collapsible joint of the present invention;
FIG. 7 is a sectional view of the assembled collapsed joint of the present invention;
FIG. 8 is an exploded cross-sectional view of a collapsible joint of the present invention;
FIG. 9 is a schematic view of a joint being folded according to the present invention;
FIG. 10 is a schematic view of the present invention in use with a cart;
fig. 11 is an enlarged schematic view of the present invention.
The specific implementation mode is as follows:
in order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is further described below with reference to the following examples:
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention relates to a method for preparing a composite material, which comprises the following steps: see the drawings.
In this embodiment, a synchronous folding and interactive locking seat type stroller comprises
The frame 1 comprises a folding joint 11 movably connected with the reversible seat, the folding joint 11 comprises an upper joint 111, a lower joint 112 and a rear joint 113, the upper joint 111 is connected with the frame handle 12, the lower joint 112 is connected with a front leg rod 13, the rear joint 113 is connected with a rear leg frame 14, the frame handle 12 comprises a frame folding button 15 arranged on the frame handle, the frame folding button 15 acts with the folding joint 11, and the frame handle 12 can be moved from an unfolding state to a folding state by pressing the frame folding button 15;
the reversible seat 2 comprises a seat adjusting mechanism 21 movably connected with the mounting mechanism on the folding joint 11, the seat adjusting mechanisms 21 are connected with lower supporting frames 22 in the forward direction, the forward direction upward end parts of the two lower supporting frames 22 are respectively connected with the free end parts of U-shaped supporting frames 23, a front cross beam frame 24 and a rear cross beam frame 25 are respectively connected between the two lower supporting frames 22, the middle positions of the tops of the two lower supporting frames 22 are respectively and fixedly connected with armrest connecting pieces 26, the end parts of the two armrest connecting pieces 26 are respectively and movably connected with the free end parts of armrests 27, the movable ends of the two seat adjusting mechanisms 21 are respectively connected with the free end parts of seat handles 28, the seat handle 28 includes a seat adjustment button 29 mounted thereon, and a U-shaped movable frame 210 is connected to the seat handle 28 upwardly and forwardly via a movable pivot 211.
Furthermore, the folding joint 11 includes an upper joint 111, a lower joint 112, and a rear joint 113, the upper joint locking member 1112 of the upper joint 111 and the lower joint locking member 1122 of the lower joint 112 are movably connected to the locking member 1132 of the rear joint 113, respectively, and the upper joint 111 is movably connected to the long groove of the lower joint locking member 1122 through an upper connecting hole provided in the upper joint locking member 1112.
Further, a front wheel 132 is connected to opposite ends of the front foot rest 13 through a front wheel fork 131, a rear wheel 142 is mounted to opposite ends of the rear foot rest 14 through axle mounts 141, and a brake 143 is mounted between the axle mounts 141.
Furthermore, the upper joint 111 comprises an upper joint connecting rod 1111, one end of the upper joint connecting rod 1111 is connected with an upper joint locking piece 1112, a vehicle folding pin 1113 is movably connected in the upper joint connecting rod 1112, the end of the vehicle folding pin 1113 is provided with a long slot 1114, and a spring 1115 matched with the upper joint connecting rod is arranged in the long slot 1114;
a lower joint 112 including a lower joint connecting rod 1121, one end of the lower joint connecting rod 1121 being connected to a lower joint locking member 1122;
the rear joint 113 comprises a rear joint connecting rod 1131, one end of the rear joint 1131 connecting rod is connected with a locking member 1132 which is matched and connected with the upper joint 111 and the lower joint 113, the locking member 1132 is a disc which is matched and connected with the upper joint 111 and the lower joint 112, the locking member 1122 is provided with a connecting hole 1133 which is matched and connected with the upper joint 111 and the lower joint 112, and the connecting hole 1133 comprises a connecting hole C which is matched and connected with the upper joint and a connecting hole D which is matched and connected with the lower joint in the embodiment;
further, the upper joint locking piece 1112 can be engaged in a groove corresponding to the locking piece 1132 in the rear joint 113, the upper joint locking piece 1112 includes two upper connecting holes, each of the two upper connecting holes is connected to the connecting hole C in the locking piece 1132 through a pin, the upper connecting hole E is connected to the long groove F of the lower joint locking piece 1122 through a pin, the lower joint locking piece 1122 can be engaged in a groove corresponding to the locking piece 1132 in the rear joint 113, the lower joint locking piece 1122 includes three lower connecting holes, the lower connecting hole B is connected to the connecting hole D of the locking piece 1132 through a pin, and a long groove 3 connected to the upper joint locking piece 1112 is formed in one side of the end of the lower joint locking piece 1122, so that the upper joint 111 slides to drive the lower joint 112 to move.
The locking member 1132 is provided with a groove therein, the groove is connected to the upper joint locking member 1112 and the lower joint locking member 1122, and the locking member 1132 includes a connecting hole C connected to the upper joint locking member 1112 through a pin and a connecting hole D connected to the lower joint locking member 1122 through a pin.
Furthermore, the car collecting pin 1113 comprises an arc joint with a sharp-edged end, a long groove hole 1114 is formed in the inner side of the other end of the car collecting pin 1113, a spring 1115 in the axial direction of the car collecting pin is arranged in the long groove hole 1114, the car collecting pin 1113 can be matched with other parts of the trolley, the stressed expansion and contraction of the car collecting pin 1113 are realized, and the action matching between the upper joint and the lower joint is realized.
The folding joint 11 is connected with the connecting hole C through the upper connecting hole A, the lower connecting hole B is connected with the connecting hole D, the connecting hole E in the upper joint 111 is movably connected with the long groove F in the lower joint 112, the lower joint 112 is driven to rotate relative to the rear joint through the stress of the upper joint 111, the folding joint is locked through the ejection and the extension of the folding pin 1113, the positions of the upper joint 111, the lower joint 112 and the rear joint 113 are locked, the technical purposes of three-point synchronous linkage folding and locking of the folding joint are achieved, the synchronous folding state between the reversible seat and the frame is achieved, the reversible seat can be effectively locked, the using space is greatly saved, the service life and the using scene of the device can be effectively improved, and the safety performance of the baby carrier is improved.
The embodiments disclosed in the present invention are within the scope of the claims, and the specific embodiments are only for describing the specific embodiments of the present invention, and the scope of the present invention is not limited to the specific embodiments, and the specific embodiments should not be construed as limiting the scope of the claims.
In addition, the present invention does not disclose related components in the description and the drawings, which do not hinder the understanding of the present invention by those skilled in the art, for example, the mounting mechanism on the folding joint, the seat adjusting mechanism, the engaging mechanism of the seat adjusting mechanism and the mounting mechanism, and the movable pivoting member of the movable pivoting member are all common devices in the art, and other conventional components which are not disclosed in the present invention are selected for those skilled in the art, so as not to hinder the understanding of the present invention by those skilled in the art.
The product structure connection relation falling within the protection scope of the invention falls within the protection content of the invention; it is within the spirit of the present invention that conventional technical modifications to the structure of product parts, such as those made in the specific embodiments of the present invention, may be made without departing from the spirit of the present invention.
While certain exemplary embodiments of the invention have been described above by way of illustration only, it will be apparent to those skilled in the art that the described embodiments may be modified in various different ways without departing from the scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention as claimed.
All academic and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
Claims (8)
1. The utility model provides a synchronous receipts are closed, interactive locking seat formula children's shallow which characterized in that: comprises that
The frame comprises a folding joint movably connected with the reversible seat, the folding joint comprises an upper joint, a lower joint and a rear joint, the upper joint is connected with the frame handle, the lower joint is connected with the front supporting leg rod, the rear joint is connected with the rear supporting leg frame, and the frame handle comprises a frame folding button arranged on the frame handle;
reversible seat, include with receive installation mechanism swing joint's on the joint seat adjustment mechanism that closes, seat adjustment mechanism is preceding to be connected with lower part braced frame, two to the orientation preceding tip that is preceding to the orientation is connected with the free end department of U type support frame respectively, two be connected with preceding crossbeam frame, back crossbeam frame, two between the braced frame of lower part respectively the top middle part position of lower part braced frame fixedly connected with handrail connecting piece respectively, the tip of two handrail connecting pieces respectively with the free end department swing joint of handrail, two seat adjustment mechanism's expansion end respectively with the free end department of seat handle be connected, the seat handle is including installing the seat adjustment button on it, upwards be connected with U type expansion bracket through activity pivot spare before the seat handle.
2. The synchronously foldable, interactively lockable chair stroller as claimed in claim 1, wherein: the folding joint comprises an upper joint, a lower joint and a rear joint, the upper joint locking piece of the upper joint and the lower joint locking piece of the lower joint are respectively movably connected with the locking piece of the rear joint, and the upper joint is movably connected with the long groove of the lower joint locking piece through an upper connecting hole arranged on the upper joint locking piece.
3. The synchronously foldable, interactively lockable chair stroller as claimed in claim 2, wherein: the upper joint comprises an upper joint connecting rod, one end part of the upper joint connecting rod is connected with an upper joint locking piece, a vehicle folding pin is movably connected in the upper joint connecting rod, the end part of the vehicle folding pin is provided with a long slotted hole, and a spring matched with the upper joint connecting rod is arranged in the long slotted hole; the lower joint comprises a lower joint connecting rod, and one end of the lower joint connecting rod is connected with a lower joint locking piece; the rear joint comprises a rear joint connecting rod, and one end of the rear joint connecting rod is connected with a locking piece which is matched and connected with the upper joint and the lower joint.
4. The synchronously foldable, interactively lockable chair stroller as claimed in claim 1, wherein: the upper joint locking piece can be combined in the corresponding groove of the locking piece in the rear joint, the upper joint locking piece comprises at least two upper connecting holes, and at least one upper connecting hole is connected with the locking piece and the lower joint locking piece through pins.
5. The synchronously foldable, interactively lockable chair stroller as claimed in claim 3, wherein: the lower joint locking piece can be connected in the corresponding groove of the locking piece in the rear joint, the lower joint locking piece comprises at least three lower connecting holes, and one side of the end part of the lower joint locking piece is provided with an elongated slot connected with the upper joint locking piece, so that the upper joint can slide to drive the lower joint to move conveniently.
6. The synchronously foldable, interactively lockable chair stroller as claimed in claim 3, wherein: the locking piece is internally provided with a groove respectively connected with the upper joint locking piece and the lower joint locking piece, and the locking piece comprises at least two connecting holes respectively connected with the upper joint locking piece and the lower joint locking piece through pins.
7. The synchronously foldable, interactively lockable chair stroller as claimed in claim 3, wherein: the car collection pin comprises an arc-shaped joint with a sharp-edged end, a long slotted hole is formed in the inner side of the other end of the car collection pin, a spring in the axis direction of the car collection pin is arranged in the long slotted hole, the car collection pin can be matched with other parts of a trolley, the stressed stretching of the car collection pin is realized, and the upper joint and the lower joint are in action fit.
8. The synchronously foldable, interactively lockable chair stroller as claimed in claim 1, wherein: the front wheel is connected with the opposite ends of the two ends of the front foot rest through a front wheel fork, the rear wheel is installed at the opposite ends of the two ends of the rear foot rest through wheel axle installation pieces, and a brake is erected between the two wheel axle installation pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011229642.0A CN112208613B (en) | 2020-11-06 | 2020-11-06 | Synchronous folding and interactive locking seat type stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011229642.0A CN112208613B (en) | 2020-11-06 | 2020-11-06 | Synchronous folding and interactive locking seat type stroller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112208613A true CN112208613A (en) | 2021-01-12 |
| CN112208613B CN112208613B (en) | 2022-05-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011229642.0A Active CN112208613B (en) | 2020-11-06 | 2020-11-06 | Synchronous folding and interactive locking seat type stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112208613B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706819A (en) * | 2021-02-07 | 2021-04-27 | 代芳 | Joint structure and bassinet |
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| CN203805969U (en) * | 2014-03-07 | 2014-09-03 | 中山市隆成日用制品有限公司 | Baby carriage seat |
| US9475516B1 (en) * | 2016-01-27 | 2016-10-25 | Kun Wang | Folding device for baby carriage |
| CN107284506A (en) * | 2016-04-13 | 2017-10-24 | 明门香港股份有限公司 | Rumble seat group and perambulator |
| CN208085783U (en) * | 2018-02-13 | 2018-11-13 | 中山市铭冠日用制品有限公司 | Joint structure of baby carriage |
| CN209126791U (en) * | 2018-12-06 | 2019-07-19 | 冯勤 | Stroller seat coordinated folding structure |
| CN209700773U (en) * | 2019-03-29 | 2019-11-29 | 珠海阳光儿童用品有限公司 | Stroller frame folding/unfolding joint, stroller frame and perambulator |
| CN111572619A (en) * | 2020-06-23 | 2020-08-25 | 安徽呀呀乐儿童用品有限公司 | Automatic folding and locking children's cycle |
| CN211519627U (en) * | 2019-12-03 | 2020-09-18 | 河北小贵族童车有限公司 | Main joint of infant stroller frame, seat and infant stroller frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203544082U (en) * | 2013-09-23 | 2014-04-16 | 中山市隆成日用制品有限公司 | Insertion type pram seat folding mechanism |
| CN203805969U (en) * | 2014-03-07 | 2014-09-03 | 中山市隆成日用制品有限公司 | Baby carriage seat |
| US9475516B1 (en) * | 2016-01-27 | 2016-10-25 | Kun Wang | Folding device for baby carriage |
| CN107284506A (en) * | 2016-04-13 | 2017-10-24 | 明门香港股份有限公司 | Rumble seat group and perambulator |
| CN208085783U (en) * | 2018-02-13 | 2018-11-13 | 中山市铭冠日用制品有限公司 | Joint structure of baby carriage |
| CN209126791U (en) * | 2018-12-06 | 2019-07-19 | 冯勤 | Stroller seat coordinated folding structure |
| CN209700773U (en) * | 2019-03-29 | 2019-11-29 | 珠海阳光儿童用品有限公司 | Stroller frame folding/unfolding joint, stroller frame and perambulator |
| CN211519627U (en) * | 2019-12-03 | 2020-09-18 | 河北小贵族童车有限公司 | Main joint of infant stroller frame, seat and infant stroller frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706819A (en) * | 2021-02-07 | 2021-04-27 | 代芳 | Joint structure and bassinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112208613B (en) | 2022-05-17 |
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