CN217892960U - Children's barrow - Google Patents
Children's barrow Download PDFInfo
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- CN217892960U CN217892960U CN202221624939.1U CN202221624939U CN217892960U CN 217892960 U CN217892960 U CN 217892960U CN 202221624939 U CN202221624939 U CN 202221624939U CN 217892960 U CN217892960 U CN 217892960U
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- 230000008569 process Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 description 6
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- 238000000429 assembly Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
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Abstract
The utility model relates to a children's barrow, which comprises a frame, a front wheel component, a rear wheel component and a single push handle rod, wherein the frame comprises a front wheel bracket, a rear wheel bracket, a seat frame and a pedal plate, the upper end of the pedal plate is rotationally connected with the seat frame through a pedal plate rotating shaft pivot, the pedal plate is provided with a strip-shaped dividing hole, the pedal plate is divided into a connecting part, a left lower pedal plate and a right lower pedal plate, and the push handle rod can pass through the strip-shaped dividing hole; the pedal plate is provided with a connecting plate with two working positions, the first working position is that at least one side of the connecting plate is separated from the left lower pedal plate and/or the right lower pedal plate, the strip-shaped dividing hole is opened, and the push handle rod is switched between the inside and the outside of the strip-shaped dividing hole; the second working position is that two sides of the connecting plate are respectively connected with the left lower pedal plate and the right lower pedal plate, and the connecting plate covers the strip-shaped dividing holes. The utility model discloses a children's shallow can avoid the running-board and push away the interference between the barre when the seat frame switching-over operation, and structural stability is better, and the security is higher.
Description
Technical Field
The utility model relates to a children's shallow.
Background
Child strollers are becoming one of the necessary tools for child care. For the use of making things convenient for children's shallow, appear on the market have the children's shallow of forward user state and reverse user state, common is through rotating the seat frame and realize the switching-over, but because be connected with the running-board on the seat frame, at the in-process of seat frame switching-over, can produce the interference effect between running-board and the push handle pole, influence children's shallow use and experience. Some child carts set the pedals as a left pedal and a right pedal which are separately arranged, and the push handle rod can be positioned between the left pedal and the right pedal, but because an opening is always arranged between the lower end parts of the two pedals, the structural stability of the pedals is poor, and children's feet or shoes can be clamped at the opening, so that certain dangerousness exists.
Disclosure of Invention
The utility model aims at providing a when the in-process footboard that is at the seat switching-over can avoid automatically and push away the interference of barre, the children's shallow that has better stability and security.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a children's cart comprises a frame, a front wheel assembly, a rear wheel assembly and a single push handle rod, wherein the front wheel assembly and the rear wheel assembly are arranged at the lower part of the frame, the single push handle rod is arranged at the rear part of the frame, the frame comprises a front wheel support, a rear wheel support, a seat frame and a pedal plate, the front wheel assembly is arranged at the lower part of the front wheel support, the rear wheel assembly is arranged at the lower part of the rear wheel support, the upper end part of the pedal plate is rotatably connected with the seat frame through a pedal plate rotating shaft pivot, a strip-shaped cutting hole is formed in the pedal plate and extends to the lower end part of the pedal plate, the pedal plate is divided into a connecting part, a left lower pedal plate and a right lower pedal plate through the strip-shaped cutting hole, and the push handle rod can penetrate through the strip-shaped cutting hole; the pedal is further provided with a connecting plate, the connecting plate is provided with two working positions, the first working position is that at least one side of the connecting plate is separated from the left lower pedal and/or the right lower pedal, the strip-shaped dividing hole is opened, and the push handle rod is allowed to be switched between the inside and the outside of the strip-shaped dividing hole; the second working position is that the two sides of the connecting plate are respectively connected with the left lower pedal and the right lower pedal, and the connecting plate covers the strip-shaped dividing holes.
Specifically, when the connecting plate is located at the first working position, the push handle rod can enter the inside of the bar-shaped dividing hole from the outside of the bar-shaped dividing hole, the push handle rod penetrates through the bar-shaped dividing hole, the push handle rod can also enter the inside of the bar-shaped dividing hole from the outside of the bar-shaped dividing hole, and the push handle rod leaves the bar-shaped dividing hole.
Preferably, one side of the connecting plate is pivotally connected to one part of the left lower pedal or the right lower pedal through a connecting plate rotating shaft; in the first working position, the connecting plate is turned up around the rotating shaft of the connecting plate in the direction vertical to the axis of the rotating shaft of the connecting plate, and in the second working position, the other side of the connecting plate is lapped on the other part of the left lower pedal or the right lower pedal.
Specifically, the connecting plate is arranged between the lower end part of the left lower pedal and the lower end part of the right lower pedal.
Specifically, the connecting plate extends along the left and right directions of the frame.
Specifically, the push handle rod extends from the lower end part of the push handle rod to incline upwards and backwards.
Specifically, the first working position includes a position a and a position B, the position a is that the connecting plate is turned up around the connecting plate rotating shaft in a clockwise direction, the position B is that the connecting plate is turned up around the connecting plate rotating shaft in a counterclockwise direction, when the push handle rod enters the inside of the bar-shaped dividing hole from the outside of the bar-shaped dividing hole, the connecting plate is converted into one of the position a and the position B from the second working position, and when the push handle rod enters the outside of the bar-shaped dividing hole from the inside of the bar-shaped dividing hole, the connecting plate is converted into the other one of the position a and the position B from the second working position.
Specifically, the push handle rod drives the connecting plate to move around the connecting plate rotating shaft.
Specifically, a reset component is arranged between the connecting plate and the connecting plate rotating shaft and used for enabling the connecting plate to be switched from the first working position to the second working position.
More specifically, the reset component is a reset elastic piece.
Further preferably, when the other side of the connecting plate is lapped on the other component of the left lower pedal or the right lower pedal, a locking buckle is arranged between the connecting plate and the other component.
Specifically, the locking buckle comprises a lug and a groove which can be matched with each other, the lug is arranged on the connecting plate or one of the left lower pedal or the right lower pedal which is overlapped with the connecting plate, and the lug is arranged on the other component in a matched mode.
Preferably, the seat frame has a forward operative position facing forwardly and a rearward operative position facing rearwardly.
Specifically, the seat frame is rotatably connected with the frame through a seat frame rotating shaft extending along the vertical direction.
Further preferably, when the seat frame is switched between the forward working position and the backward working position, the pedal plate is turned around the pedal plate rotating shaft by a certain angle, and the pedal plate is not in contact with the push handle rod in the switching process of the seat frame between the forward working position and the backward working position.
According to some embodiments, the seat frame is not in contact with the push handle bar when the seat frame is switched between the forward working position and the backward working position, i.e. there is no interference between the seat frame and the push handle bar.
According to some embodiments, when the seat frame is switched between the forward working position and the backward working position, the push handle rod is turned downwards and backwards around the lower end part of the push handle rod and the rotation axis of the frame, that is, if the seat frame and the push handle rod interfere with each other, the lower end part of the push handle rod is rotatably connected with the frame, so that the mutual interference between the seat frame and the push handle rod can be avoided.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a children's shallow when seat frame switching-over operation, can avoid the running-board and push away the interference between the barre, and the bar on the running-board is cut apart hole accessible connecting plate overlap joint, and structural stability is better, and the security is higher.
Drawings
Fig. 1 is a front view of the stroller of the embodiment (with the seat frame in the forward working position);
fig. 2 is a top view of the stroller of the embodiment (with the seat frame in the forward working position);
fig. 3 is a rear view of the stroller of the embodiment (with the seat frame in the rearward working position);
fig. 4 is a top view of the stroller of the embodiment (with the seat frame in the rearward working position);
FIG. 5 is a side cross-sectional view of the example stroller in one embodiment (with the seat frame in the forward working position);
FIG. 6 is a side cross-sectional view of the stroller of FIG. 5 in one of the transition states (seat frame in the forward operative position, foot rest flipped up);
fig. 7 is a side cross-sectional view of the stroller of fig. 5 in another state during conversion (with the seat frame in the rearward working position, the connecting plate in the second working position, and the push bar outside the bar-shaped split aperture);
FIG. 8 isbase:Sub>A top cross-sectional view taken along A-A of FIG. 7;
fig. 9 is a side cross-sectional view of the stroller of fig. 5 in another state during conversion (with the seat frame in the rearward operative position and the attachment plate in position a);
FIG. 10 isbase:Sub>A top cross-sectional view taken along A-A of FIG. 9;
fig. 11 is a side cross-sectional view of the stroller of fig. 5 in another state during conversion (with the seat frame in the rearward working position, the connecting plate in the second working position, and the push bar inside the bar-shaped split aperture);
FIG. 12 isbase:Sub>A top cross-sectional view taken along A-A of FIG. 11;
FIG. 13 is a side cross-sectional view of the stroller of FIG. 5 in another state during conversion (with the seat frame in the rearward operating position and the foot rest flipped downward);
FIG. 14 isbase:Sub>A top cross-sectional view taken along A-A of FIG. 13;
FIG. 15 is a side cross-sectional view of the stroller of FIG. 5 in another state during conversion (with the seat frame in the rearward working position and the web in position B);
FIG. 16 isbase:Sub>A top cross-sectional view taken along A-A of FIG. 15;
fig. 17 is an enlarged view of a portion at a of fig. 16;
fig. 18 is a side view of the example stroller in another embodiment (seat frame in a forward working position);
fig. 19 is a side view of the stroller of fig. 18 in another use configuration (with the seat frame in the forward and rearward working positions);
fig. 20 is a side view of the stroller of fig. 18 in one state during conversion (seat frame in the forward operating position, foot rest flipped up, push bar flipped down);
in the drawings above: 1. a frame; 11. a front wheel bracket; 111. a first portion; 112. a second portion; 12. a rear wheel support; 13. a seat frame; 14. a foot pedal; 141. a connecting portion; 142. a left lower foot pedal; 143. a right lower foot pedal; 144. a connecting plate; 15. a strip-shaped dividing hole; 2. a front wheel assembly; 3. a rear wheel assembly; 4. a handle pushing rod; 51. a seat frame rotating shaft; 52. a pedal plate rotating shaft; 53. a connecting plate rotating shaft; 54. a rotating shaft; 61. a bump; 62. and (4) a groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship with the seat frame 13 facing forward, the position or positional relationship observed when the child sits on the stroller, and at this time, the child faces forward, and the push lever 4 is located behind the child, and the above terms are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
The embodiment provides a stroller, which comprises a frame 1, a front wheel assembly 2 and a rear wheel assembly 3 arranged at the lower part of the frame 1, and a single push handle rod 4 arranged at the rear part of the frame 1.
Specifically, as shown in fig. 1 to 4, the vehicle frame 1 includes a front wheel bracket 11, a rear wheel bracket 12, a seat frame 13, and a foot board 14.
More specifically, as shown in fig. 1, in the present embodiment, the front wheel bracket 11 includes a first portion 111 extending from bottom to top and inclining backward, a second portion 112 extending in the left-right direction, a lower end portion of the first portion 111 is rotatably connected to a middle portion of the second portion 112, and left and right ends of a front portion of the second portion 112 are respectively connected to a set of front wheel assemblies 2; the rear wheel bracket 12 is inclined forwards and extends from bottom to top, the rear wheel assembly 3 is arranged at the lower part of the rear wheel bracket 12, in the embodiment, the rear wheel bracket 12 and the rear wheel assembly 3 respectively comprise two groups which are arranged symmetrically left and right; in this embodiment, the upper end of the front wheel bracket 11 is fixedly connected to the upper part of the rear wheel bracket 12.
More specifically, the seat frame 13 is used to connect a seat for seating a child, and the seat frame 13 is rotatably connected to the frame 1 such that the seat frame 13 has a forward working position facing forward and a rearward working position facing rearward. As shown in fig. 5 to 7, in the present embodiment, the middle portion of the seat frame 13 and the upper end portion of the rear wheel frame 12 are rotatably connected by a seat frame rotating shaft 51 extending in the up-down direction, the seat frame rotating shaft 51 extends upward from the upper end portion of the rear wheel frame 12, the seat frame 13 is in a plate shape extending in the front-back direction and has an upper surface, a lower surface and a hollow groove between the upper surface and the lower surface, and the seat frame 13 is fitted on the seat frame rotating shaft 51 through the hollow groove.
More specifically, the upper end of the footrest 14 is pivotally connected to the seat frame 13 via a footrest rotating shaft 52. As shown in fig. 1 to 4, the footrest 14 is provided with a bar-shaped division hole 15, the bar-shaped division hole 15 extends to the lower end portion of the footrest 14, the footrest 14 is divided into a connecting portion 141, a left lower pedal 142 and a right lower pedal 143 by the bar-shaped division hole 15, the upper end of the connecting portion 141 is pivotally connected to the front end of the seat frame 13 by a footrest rotating shaft 52 extending in the left-right direction, the left lower pedal 142 and the right lower pedal 143 extend downward from the lower end portion of the connecting portion 141, the left lower pedal 142 and the right lower pedal 143 are arranged in bilateral symmetry, and the push handle bar 4 can pass through the bar-shaped division hole 15.
Specifically, the lower end of the push handle rod 4 is connected with the upper part of the rear wheel bracket 12, and the push handle rod 4 is inclined backwards and extends upwards from bottom to top. In the rotating process of the seat frame 13, if the seat frame 13 and the push handle rod 4 do not interfere with each other, the lower end part of the push handle rod 4 and the upper part of the rear wheel bracket 12 can be fixedly connected or can be rotatably connected through a rotating shaft; if the seat frame 13 and the push handle bar 4 interfere with each other, the rotating connection mode is selected, and the push handle bar 4 is turned downwards and forwards before the seat frame 13 rotates, so that the seat frame 13 can be avoided. In this embodiment, the lower end of the handle bar 4 and the upper end of the rear wheel bracket 12 are rotatably connected by a rotating shaft 54.
Specifically, the pedal plate 14 is further provided with a connecting plate 144, the connecting plate 144 has two working positions, the first working position is that at least one side of the connecting plate 144 is separated from the left lower pedal 142 and/or the right lower pedal 143, the bar-shaped split hole 15 is opened, and the push handle bar 4 is allowed to be switched between the inside and the outside of the bar-shaped split hole 15; the second working position is that the two sides of the connecting plate 144 are respectively connected with the left lower pedal 142 and the right lower pedal 143, and the connecting plate 144 covers the strip-shaped dividing hole 15.
More specifically, in the present embodiment, one side of the link plate 144 is pivotally connected to the left lower step plate 142 via the link plate rotating shaft 53, and in the first operating position, the link plate 144 is flipped up about the link plate rotating shaft 53 in a direction perpendicular to the axis of the link plate rotating shaft 53, and in the second operating position, the other side of the link plate 144 overlaps the other member of the right lower step plate 143. Between the link plate 144 and the link plate pivot 53, a return means is provided for switching the link plate 144 from the first operating position to the second operating position, and preferably, the return means is a return elastic member always having a tendency to switch the link plate 144 from the first operating position to the second operating position.
More specifically, since the push handle 4 is inclined and extended from bottom to top, in the present embodiment, the first working position includes a position a and a position B, as shown in fig. 9 to 10, the connecting plate 144 is at the position a, where the connecting plate 144 is turned up around the connecting plate rotating shaft 53 in the clockwise direction, and when the push handle 4 enters the inside of the bar-shaped division hole 15 from the outside of the bar-shaped division hole 15, the connecting plate 144 is switched from the second working position to the position a; as shown in fig. 15 to 16, the link plate 144 is at the position B, where the link plate 144 is turned up in the counterclockwise direction around the link plate rotating shaft 53, and when the push handle 4 enters the outside of the bar-shaped division hole 15 from the inside of the bar-shaped division hole 15, the link plate 144 is switched from the second working position to the position B.
Specifically, when the other side of the connecting plate 144 overlaps the other of the left lower pedal 142 or the right lower pedal 143, a locking buckle is provided between the connecting plate 144 and the other. As shown in fig. 17, in the present embodiment, the locking buckle includes a protrusion 61 and a groove 62 capable of cooperating with each other, the protrusion 61 is disposed on a side of the connecting plate 144 away from the connecting plate rotating shaft 53, the groove 62 is disposed on the right lower pedal 143, and when the connecting plate 144 is in the second working position, the connecting plate 144 rides on the right lower pedal 143 and the protrusion 61 is located in the groove 62.
Referring to fig. 5 to 20, the working principle of the embodiment is as follows:
the first case: when the seat frame 13 is switched between the forward working position and the backward working position, the seat frame 13 is not contacted with the push handle rod 4.
When the seat frame 13 needs to be switched from the forward working position to the backward working position, the pedal 14 is turned upwards and forwards, then the seat frame 13 is rotated until the seat frame 13 faces backwards, then the pedal 14 is turned downwards and backwards, in the turning process of the pedal 14, the connecting plate 144 is turned around the connecting plate rotating shaft 52 under the action of the push handle rod 4 to open the strip-shaped dividing hole 15, the push handle rod 4 enters the strip-shaped dividing hole 15, after the push handle rod 4 is separated from the connecting plate 144, the connecting plate 144 is reset to close the strip-shaped dividing hole 15, and the push handle rod 4 is located in the strip-shaped dividing hole 15.
When the seat frame 13 needs to be converted from the backward working position to the forward working position, the pedal plate 14 is turned upwards and forwards, in the turning process of the pedal plate 14, the connecting plate 144 is turned around the connecting plate rotating shaft 52 under the action of the push handle rod 4 to open the strip-shaped dividing holes 15, the push handle rod 4 leaves the strip-shaped dividing holes 15, after the push handle rod 4 is separated from the connecting plate 144, the connecting plate 144 is reset to close the strip-shaped dividing holes 15, the push handle rod 4 is located outside the strip-shaped dividing holes 15, then the seat frame 13 is rotated forwards to the seat frame 13, and then the pedal plate is turned downwards and forwards.
The second situation is that: when the seat frame 13 is switched between the forward working position and the backward working position, the seat frame 13 interferes with the push handle rod 4.
When the seat frame 13 needs to be switched from the forward working position to the backward working position, the push handle rod 4 is turned downwards and backwards, the pedal plate 14 is turned upwards and forwards, then the seat frame 13 is rotated to the backward position of the seat frame 13, the push handle rod 4 is turned upwards and forwards, then the pedal plate 14 is turned downwards and backwards, in the turning process of the pedal plate 14, the connecting plate 144 is turned around the connecting plate rotating shaft 53 under the action of the push handle rod 4 to open the strip-shaped dividing holes 15, the push handle rod 4 enters the strip-shaped dividing holes 15, after the push handle rod 4 is separated from the connecting plate 144, the connecting plate 144 is reset to close the strip-shaped dividing holes 15, and the push handle rod 4 is located in the strip-shaped dividing holes 15.
When the seat frame 13 needs to be switched from the backward working position to the forward working position, the pedal plate 14 is turned upwards and forwards, in the turning process of the pedal plate 14, the connecting plate 144 enables the strip-shaped dividing holes 15 to be opened around the connecting plate rotating shaft 53 under the action of the push handle rod 4, the push handle rod 4 leaves the strip-shaped dividing holes 15, after the push handle rod 4 is separated from the connecting plate 144, the connecting plate 144 resets to enable the strip-shaped dividing holes 15 to be closed, the push handle rod 4 is located outside the strip-shaped dividing holes 15, then the push handle rod 4 is turned downwards and backwards, the seat frame 13 is rotated to the seat frame 13 forwards, and finally the pedal plate 14 is turned downwards and forwards.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Claims (8)
1. A children's cart comprises a frame, a front wheel assembly, a rear wheel assembly and a single push handle rod, wherein the front wheel assembly and the rear wheel assembly are arranged at the lower part of the frame, the single push handle rod is arranged at the rear part of the frame, the frame comprises a front wheel support, a rear wheel support, a seat frame and a pedal plate, the front wheel assembly is arranged at the lower part of the front wheel support, the rear wheel assembly is arranged at the lower part of the rear wheel support, the upper end part of the pedal plate is rotatably connected with the seat frame through a pedal plate rotating shaft pivot, a strip-shaped cutting hole is formed in the pedal plate and extends to the lower end part of the pedal plate, the pedal plate is divided into a connecting part, a left lower pedal plate and a right lower pedal plate through the strip-shaped cutting hole, and the push handle rod can penetrate through the strip-shaped cutting hole; the method is characterized in that:
the pedal plate is also provided with a connecting plate, the connecting plate is provided with two working positions, the first working position is that at least one side of the connecting plate is separated from the left lower pedal plate and/or the right lower pedal plate, the strip-shaped dividing hole is opened, and the push handle rod is allowed to be switched between the inside and the outside of the strip-shaped dividing hole; the second working position is that the two sides of the connecting plate are respectively connected with the left lower pedal and the right lower pedal, and the connecting plate covers the strip-shaped dividing holes.
2. The stroller of claim 1, wherein: one side of the connecting plate is pivotally connected to one part of the left lower pedal or the right lower pedal through a connecting plate rotating shaft; in the first working position, the connecting plate is turned up around the rotating shaft of the connecting plate in the direction vertical to the axis of the rotating shaft of the connecting plate, and in the second working position, the other side of the connecting plate is lapped on the other part of the left lower pedal or the right lower pedal.
3. The stroller of claim 2, wherein: the first working position comprises a position A and a position B, the position A is that the connecting plate winds the connecting plate rotating shaft and turns up along the clockwise direction, the position B is that the connecting plate winds the connecting plate rotating shaft and turns up along the anticlockwise direction, when the push handle rod enters the inside of the strip-shaped dividing hole from the outside of the strip-shaped dividing hole, the connecting plate is converted into one of the position A and the position B from the second working position, and when the push handle rod enters the outside of the strip-shaped dividing hole from the inside of the strip-shaped dividing hole, the connecting plate is converted into the other one of the position A and the position B from the second working position.
4. The stroller of claim 2, wherein: and a resetting part is arranged between the connecting plate and the connecting plate rotating shaft, and the resetting part can enable the connecting plate to be switched from the first working position to the second working position.
5. The stroller of claim 2, wherein: when the other side of the connecting plate is lapped on the other component of the left lower pedal or the right lower pedal, a locking buckle is arranged between the connecting plate and the other component.
6. The stroller of claim 1, wherein: the seat frame is provided with a forward working position facing forwards and a backward working position facing backwards, when the seat frame is switched between the forward working position and the backward working position, the pedal plate upwards turns a certain angle around the pedal plate rotating shaft, and in the switching process of the seat frame between the forward working position and the backward working position, the pedal plate is not in contact with the push handle rod.
7. The stroller of claim 6, wherein: the seat frame is rotatably connected with the frame through a seat frame rotating shaft extending along the up-down direction.
8. The stroller of claim 6, wherein: when the seat frame is switched between the forward working position and the backward working position, the push handle rod is turned downwards and backwards around the lower end part of the push handle rod and the rotating shaft of the frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221624939.1U CN217892960U (en) | 2022-06-27 | 2022-06-27 | Children's barrow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221624939.1U CN217892960U (en) | 2022-06-27 | 2022-06-27 | Children's barrow |
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Publication Number | Publication Date |
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CN217892960U true CN217892960U (en) | 2022-11-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202221624939.1U Active CN217892960U (en) | 2022-06-27 | 2022-06-27 | Children's barrow |
Country Status (1)
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CN (1) | CN217892960U (en) |
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2022
- 2022-06-27 CN CN202221624939.1U patent/CN217892960U/en active Active
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