CN212172332U - Folding child stroller capable of being automatically locked after seat direction change - Google Patents
Folding child stroller capable of being automatically locked after seat direction change Download PDFInfo
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- CN212172332U CN212172332U CN202020511812.3U CN202020511812U CN212172332U CN 212172332 U CN212172332 U CN 212172332U CN 202020511812 U CN202020511812 U CN 202020511812U CN 212172332 U CN212172332 U CN 212172332U
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- seat
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- support rod
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- stroller
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- 230000001133 acceleration Effects 0.000 description 1
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Abstract
The utility model relates to a foldable children's handcart that can lock automatically after seat trades. The folding seat comprises a wheel assembly, a lower support rod frame, an upper pull rod, a push rod, a front wheel support rod frame, a folding connection flat body and a 360-degree rotary seat assembly, wherein the push rod, the upper support rod frame, the upper pull rod and the lower support rod frame form a first four-bar linkage; the upper pull rod, the lower support rod frame, the front wheel support rod frame and the folding connecting flat body form a second four-bar linkage mechanism, and the front wheel support rod frame, the upper support rod frame and the lower support rod frame all rotate around the same shaft; the seat bottom front stay, the seat body, the curved rotating shaft, and the lower support bar frame cross bar form a third four-bar linkage. The utility model relates to a but seat switching back automatic locking's foldable children's handcart under three four-bar linkage's linkage, can realize the automatic locking after the seat switching, easy operation is fit for using widely.
Description
Technical Field
The utility model relates to a foldable children's handcart that can lock automatically after seat trades. Belongs to the technical field of manual vehicles.
Background
The baby stroller is one of the essential tools for infant care, and particularly, along with the gradual acceleration of life rhythm of people, the baby stroller is an essential article in the process of baby growth in order to save the accompanying cost of babies. For parents who want to better grasp the dynamics of children, the baby carriage with a single seat orientation is gradually not satisfactory, so that many baby carriages now have a reversing function, but many existing baby carriages are inconvenient in operation in that they need to be manually operated to lock the seat pocket in the orientation after unlocking the seat and switching the seat to another orientation when switching the orientation.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide a but the foldable children's handcart of automatic locking after the seat trades, solved the unable backrest of following of armrest folding problem of drawing in.
The purpose of the utility model is realized like this:
a foldable child stroller capable of automatically locking after the seat is reversed is characterized in that: the folding bicycle comprises a wheel assembly, a lower support rod frame, an upper pull rod, a push rod, a front wheel support rod frame, a folding connection flat body and a 360-degree rotary seat assembly, wherein the wheel assembly comprises a front wheel and a rear wheel;
the lower end of the lower support rod frame is fixedly connected with the rear wheel, the lower end of the upper support rod frame is rotatably connected with the upper end of the lower support rod frame, the upper end of the front wheel support rod frame is rotatably connected with the upper end of the lower support rod frame, the lower end of the front wheel support rod frame is fixedly connected with the front wheel, one end of the folding connecting flat body is fixedly connected with the front wheel support rod frame, the other end of the folding connecting flat body is rotatably connected with the lower end of the upper pull rod, the lower part of the upper pull rod is fixedly connected onto the lower support rod frame, the upper end of the upper pull rod is rotatably connected with the lower end of the push rod, and the upper support rod frame is rotatably connected with the;
the push rod, the upper support rod frame, the upper pull rod and the lower support frame form a first four-bar linkage; the upper pull rod, the lower support rod frame, the front wheel support rod frame and the folding connecting flat body form a second four-bar linkage mechanism, and the front wheel support rod frame, the upper support rod frame and the lower support rod frame all rotate around the same shaft;
the 360-degree rotating seat assembly is rotatably connected with the connecting piece of the lower support rod frame, and meanwhile, the 360-degree rotating seat assembly is rotatably connected with the connecting piece of the upper pull rod.
Furthermore, 360 rotatory seat subassembly of degree includes crooked axis of rotation, seat bottom front stay, seat switching-over unblock pull rod and seat body, and the lower extreme of seat bottom front stay rotates with the lower support bar frame horizontal pole of lower support bar frame to be connected, and the upper end and the seat body of seat bottom front stay are connected, and crooked axis of rotation sets up on the seat body and rotates with last pull rod to be connected, and seat bottom front stay, seat body, crooked axis of rotation and lower support bar frame horizontal pole form the four link mechanism of third.
Further, the 360 degree rotation seat assembly includes a seat reversing unlocking lever.
Furthermore, when the stroller is in a folded state, the upper support rod frame and the upper pull rod are turned to be drawn close to the lower support rod frame, the upper pull rod drives the folding connection flat body to enable the front wheel support rod frame to be rotated to be drawn close to the lower support rod frame, and the 360-degree rotary seat assembly is drawn close to the lower support rod frame along with the turning process of the upper pull rod.
Furthermore, the 360-degree rotating seat assembly has a fixed first orientation and a fixed second orientation, and when the 360-degree rotating seat assembly is in the first orientation, the backrest of the 360-degree rotating seat assembly is close to the push rod and has the same orientation as the direction of a person pushing the seat; when the 360 degree rotation seat assembly is in the second orientation, the seat back is away from the push rod, opposite the direction of the person pushing the seat.
Further, during folding of the stroller, the 360 degree rotation of the seat assembly is required to be in the first orientation.
Furthermore, when the stroller is switched from a folded state to a working state, the upper support rod frame and the upper pull rod in the first four-bar linkage mechanism are upwards far away from the lower support rod frame to rotate, the push rod is unfolded towards the direction far away from the upper support rod frame, the upper pull rod pushes the folding flat body to turn clockwise and pushes the front wheel support rod frame away from the lower support rod frame to be unfolded, and the seat body in the third four-bar linkage mechanism is unfolded along with the upper pull rod towards the direction far away from the lower support rod frame.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a but seat trades foldable children's handcart of automatic locking after to have fixed first orientation and second orientation, under three four-bar linkage's linkage, can realize the automatic locking after the seat trades, easy operation is fit for using widely.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a foldable stroller of the present invention, wherein the stroller is capable of being automatically locked after the seat is reversed.
Fig. 2 is a schematic view of a three-dimensional structure of the foldable stroller with a semi-folded state, wherein the stroller is capable of being automatically locked after the seat is reversed.
Fig. 3 is a schematic view of a folding three-dimensional structure of the foldable stroller of the present invention, which can be automatically locked after the seat is reversed.
Fig. 4 is a schematic view of the three-dimensional structure of the foldable stroller with the seat capable of being automatically locked after being reversed and in the second orientation working state.
Fig. 5 is a schematic perspective view of a seat of a foldable stroller according to the present invention, which can be automatically locked after the seat is reversed.
In the figure:
the vehicle-folding-type seat comprises a wheel assembly 1, a lower support rod frame 2, a lower support rod frame cross rod 21, an upper support rod frame 3, an upper pull rod 4, a 360-degree rotating seat assembly 5, a bending rotating shaft 51, a seat bottom front support rod 52, a seat reversing unlocking pull rod 53, a seat body 54, a push rod 6, a front wheel support rod frame 7 and a folding connection flat body 8.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model relates to a folding type children handcart with a seat capable of being automatically locked after changing direction, which comprises a wheel component 1, a lower support rod frame 2, an upper support rod frame 3, an upper pull rod 4, a push rod 6, a front wheel support rod frame 7 and a folding connection flat body 8, wherein the wheel component 1 comprises a front wheel and a rear wheel;
lower extreme and rear wheel fixed connection of lower support rod frame 2, the lower extreme of going up support rod frame 3 rotates with the upper end of lower support rod frame 2 to be connected, the upper end of front wheel support rod frame 7 rotates with the upper end of lower support rod frame 2 to be connected, the lower extreme and the front wheel fixed connection of front wheel support rod frame 7, the one end and the front wheel support rod frame 7 fixed connection of flat 8 are connected in the receipts car, the other end that flat 8 is connected in the receipts car rotates with the lower extreme of last pull rod 4 to be connected, the lower part fixed connection of going up pull rod 4 is on lower support rod frame 2, the upper end of going up pull rod 4 rotates with the lower extreme of push rod 6 to be connected, go up support rod frame 3 and the lower part of push rod 6 to rotate to be connected, children's shallow is when operating condition, it is located the place ahead of.
The push rod 6, the upper support rod frame 3, the upper pull rod 4 and the lower support frame 2 form a first four-bar linkage; the upper pull rod 4, the lower support rod frame 2, the front wheel support rod frame 7 and the folding connecting flat body 8 form a second four-bar linkage; wherein, the front wheel support rod frame 7, the upper support rod frame 3 and the lower support rod frame 2 all rotate around the same shaft.
The utility model discloses a folding type child stroller with a seat capable of being automatically locked after being reversed, which also comprises a 360-degree rotating seat component 5, wherein the 360-degree rotating seat component 5 is positioned in a first four-bar linkage; the 360-degree rotary seat assembly 5 is rotationally connected with the connecting piece of the lower support rod frame 2, and meanwhile, the 360-degree rotary seat assembly 5 is rotationally connected with the connecting piece of the upper pull rod 4; referring to fig. 1, the child stroller is shown with the 360 degree swivel seat assembly 5 positioned above the lower support frame 2 and the upper handle bar 4 when the stroller is deployed.
360 rotatory seat subassembly 5 of degree includes crooked axis of rotation 51, bracing 52 before the seat bottom, seat switching-over unblock pull rod 53 and seat body 54, the lower extreme of bracing 52 rotates with the lower support bar frame horizontal pole 21 of lower support bar frame 2 before the seat bottom to be connected, the upper end of bracing 52 is connected with seat body 54 before the seat bottom, crooked axis of rotation 51 sets up on seat body 54 and rotates with last pull rod 4 to be connected, bracing 52 before the seat bottom, seat body 54, crooked axis of rotation 51 and lower support bar frame horizontal pole 21 form the four bar linkage of third.
The children handcart is in operating condition and fold condition two states, and children handcart is when operating condition, goes up support rod frame 3 and upper pull rod 4 and expandes the slope to stand towards the direction of keeping away from lower support rod frame 2, and front wheel support rod frame 7 expandes towards keeping away from lower support rod frame 2 direction.
When the baby stroller is in a folded state, the upper supporting rod frame 3 and the upper pull rod 4 are turned and drawn close to the lower supporting rod frame 2, the folding connecting flat body 8 is connected with the upper pull rod 4 in a rotating mode, the upper pull rod 4 drives the folding connecting flat body 8 to enable the front wheel supporting rod frame 7 to rotate and draw close to the lower supporting rod frame 2 in the direction, and the 360-degree rotating seat assembly 5 is drawn close to the lower supporting rod frame 2 along with the turning process of the upper pull rod 4.
The 360 degree rotation seat assembly 5 has a fixed first orientation and a fixed second orientation. Referring to FIG. 1, the 360 degree rotating seat assembly 5 is in a first orientation with its seat back adjacent the push rod 6, in the same orientation as the human subject; when the 360 degree rotation seat assembly 5 is in the second orientation, the seat back is away from the push rod 6, opposite the rider orientation. The 360 degree swivel seat assembly 5 must be folded in a first orientation during folding of the stroller to reduce the volume of the stroller in the folded position.
In the folding process of the child stroller, referring to fig. 2-3, firstly, the seat locking mechanism needs to be unlocked to enable the 360-degree rotating seat assembly 5 to be in a first orientation, then the stroller locking mechanism on the push rod 6 is unlocked, downward pushing force is applied to the push rod 6, the first four-bar linkage mechanism moves under the driving of the pushing force, the upper support rod frame 3 and the upper pull rod 4 which are used as double rockers in the first four-bar linkage mechanism rotate to approach towards the lower support rod frame 2, and the upper portion of the push rod 6 rotates to approach towards the upper support rod frame 3; the bottom of the upper pull rod 4 pulls the folding connecting flat body 8 to turn over anticlockwise so as to drive the front wheel support rod frame 7 to rotate and approach towards the lower support rod frame 2; the seat body 54 in the third four-bar linkage is moved toward the lower support frame 2 as the upper link 4 rotates. The folding process of the cart is completed.
When the child stroller is switched from a folded state to a working state, the upper support rod frame 3 and the upper pull rod 4 in the first four-bar linkage mechanism are upwards far away from the lower support rod frame 2 to rotate, the push rod 6 is unfolded towards the direction far away from the upper support rod frame 3, the upper pull rod 4 pushes the folding flat body 8 to turn clockwise and pushes the front wheel support rod frame 7 away from the lower support rod frame 2 to unfold, and the seat body 54 in the third four-bar linkage mechanism is unfolded along with the upper pull rod 4 towards the direction far away from the lower support rod frame 2.
When the child stroller is in a working state and the seat needs to be reversed, the seat reversing unlocking pull rod 53 is pulled, the seat reversing unlocking mechanism is unlocked, the seat body 54 is rotated to the first or second orientation, and then the seat is locked by the seat reversing unlocking pull rod 53 again.
In the above embodiments, the present invention has been described only by way of example, but various modifications may be made by those skilled in the art after reading the present patent application without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a but seat reversal back automatic locking's foldable children's handcart which characterized in that: the folding bicycle comprises a wheel assembly, a lower support rod frame, an upper pull rod, a push rod, a front wheel support rod frame, a folding connection flat body and a 360-degree rotary seat assembly, wherein the wheel assembly comprises a front wheel and a rear wheel;
the lower end of the lower support rod frame is fixedly connected with the rear wheel, the lower end of the upper support rod frame is rotatably connected with the upper end of the lower support rod frame, the upper end of the front wheel support rod frame is rotatably connected with the upper end of the lower support rod frame, the lower end of the front wheel support rod frame is fixedly connected with the front wheel, one end of the folding connecting flat body is fixedly connected with the front wheel support rod frame, the other end of the folding connecting flat body is rotatably connected with the lower end of the upper pull rod, the lower part of the upper pull rod is fixedly connected onto the lower support rod frame, the upper end of the upper pull rod is rotatably connected with the lower end of the push rod, and the upper support rod frame is rotatably connected with the;
the push rod, the upper support rod frame, the upper pull rod and the lower support frame form a first four-bar linkage; the upper pull rod, the lower support rod frame, the front wheel support rod frame and the folding connecting flat body form a second four-bar linkage mechanism, and the front wheel support rod frame, the upper support rod frame and the lower support rod frame all rotate around the same shaft;
the 360-degree rotating seat assembly is rotatably connected with the connecting piece of the lower support rod frame, and meanwhile, the 360-degree rotating seat assembly is rotatably connected with the connecting piece of the upper pull rod.
2. A foldable, child stroller, according to claim 1, and having a seat that is automatically lockable when reversed, said stroller comprising: the 360-degree rotating seat assembly comprises a bending rotating shaft, a seat bottom front supporting rod, a seat reversing unlocking pull rod and a seat body, wherein the lower end of the seat bottom front supporting rod is rotatably connected with a lower supporting rod frame cross rod of a lower supporting rod frame, the upper end of the seat bottom front supporting rod is connected with the seat body, the bending rotating shaft is arranged on the seat body and is rotatably connected with an upper pull rod, and the seat bottom front supporting rod, the seat body, the bending rotating shaft and the lower supporting rod frame cross rod form a third four-bar mechanism.
3. A foldable, child stroller, according to claim 1, and having a seat that is automatically lockable when reversed, said stroller comprising: the 360 degree rotation seat assembly includes a seat reversing unlocking lever.
4. A foldable, child stroller, according to claim 1, and having a seat that is automatically lockable when reversed, said stroller comprising: when the stroller is in a folded state, the upper supporting rod frame and the upper pull rod are turned to be drawn close to the lower supporting rod frame, the upper pull rod drives the folding connecting flat body to enable the front wheel supporting rod frame to rotate to be drawn close to the lower supporting rod frame, and the 360-degree rotary seat assembly is drawn close to the lower supporting rod frame along with the upper pull rod in the turning process.
5. A foldable, child stroller, according to claim 1, and having a seat that is automatically lockable when reversed, said stroller comprising: the 360-degree rotating seat assembly has a fixed first orientation and a fixed second orientation, and when the 360-degree rotating seat assembly is in the first orientation, the backrest of the 360-degree rotating seat assembly is close to the push rod and has the same orientation as the direction of a person pushing the seat; when the 360 degree rotation seat assembly is in the second orientation, the seat back is away from the push rod, opposite the direction of the person pushing the seat.
6. A foldable, child stroller, according to claim 5, and having a seat that is automatically lockable when reversed, said stroller comprising: during folding of the stroller, the 360 degree rotational seat assembly must be in a first orientation.
7. A foldable, child stroller, according to claim 1, and having a seat that is automatically lockable when reversed, said stroller comprising: when the child stroller is switched from a folded state to a working state, the upper supporting rod frame and the upper pull rod in the first four-bar linkage mechanism are upwards far away from the lower supporting rod frame to rotate, the push rod is unfolded towards the direction far away from the upper supporting rod frame, the upper pull rod pushes the folding flat body to turn clockwise and pushes the front wheel supporting rod frame away from the lower supporting rod frame to be unfolded, and the seat body in the third four-bar linkage mechanism is unfolded along with the upper pull rod towards the direction far away from the lower supporting rod frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511812.3U CN212172332U (en) | 2020-04-09 | 2020-04-09 | Folding child stroller capable of being automatically locked after seat direction change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511812.3U CN212172332U (en) | 2020-04-09 | 2020-04-09 | Folding child stroller capable of being automatically locked after seat direction change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212172332U true CN212172332U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020511812.3U Active CN212172332U (en) | 2020-04-09 | 2020-04-09 | Folding child stroller capable of being automatically locked after seat direction change |
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| Country | Link |
|---|---|
| CN (1) | CN212172332U (en) |
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- 2020-04-09 CN CN202020511812.3U patent/CN212172332U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 201508 room d265, 3rd floor, no.1500 Tingwei Road, Shanyang Town, Jinshan District, Shanghai Patentee after: Shanghai Beiyu Information Technology Co.,Ltd. Address before: No.72, unit 1, building 2, yard 221, Jinsuo Road, high tech Development Zone, Zhengzhou City, Henan Province Patentee before: Li Shuyi |
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| TR01 | Transfer of patent right |