CN216232519U - Seat folding assembly and child stroller - Google Patents
Seat folding assembly and child stroller Download PDFInfo
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- CN216232519U CN216232519U CN202122826749.XU CN202122826749U CN216232519U CN 216232519 U CN216232519 U CN 216232519U CN 202122826749 U CN202122826749 U CN 202122826749U CN 216232519 U CN216232519 U CN 216232519U
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- shell
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- housing
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Abstract
The utility model discloses a seat folding assembly, which comprises a seat piece, a connecting rod, a first rod piece, a second rod piece and a rotary joint, wherein the rotary joint comprises a first shell and a second shell, the first shell is connected with the first rod piece, the second shell is connected with the second rod piece, one end of the connecting rod is hinged with the first shell, the other end of the connecting rod is hinged with the seat piece, the rear end of the seat piece is also hinged with the second shell, and the first shell and the second shell can be switched between relative rotation and locking; when the first shell and the second shell are locked, the connecting rod and the seat piece are unfolded; when the first shell and the second shell are unlocked and can rotate relatively, the seat piece is driven to rotate towards the direction of closing the first rod piece. The utility model also discloses a baby trolley. According to the folding device, the seat piece is folded along with the movement of the first rod piece and the second rod piece in a linkage manner in the folding process of the child trolley, the folding process is convenient to operate, and the size of the folded child trolley can be reduced.
Description
Technical Field
The utility model relates to the technical field of trolleys, in particular to a seat folding assembly and a child trolley.
Background
The existing child trolley easily has the problem that the volume of the trolley is larger after the trolley is stored. Some stroller devices are usually configured with a detachable seat to reduce the size of the stroller; when needs are accomodate or are packed, dismantle the back with the seat earlier, receive to close the main part support again, the process is more complicated, and is not convenient enough.
Therefore, there is a need for a seat folding assembly and a stroller that are easy to fold and have a smaller volume after folding.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a seat folding assembly and a child stroller, which are convenient to fold and have smaller volume after being folded.
The technical scheme of the utility model provides a seat folding assembly, which comprises a seat piece, a connecting rod, a first rod piece, a second rod piece and a rotary joint, wherein the rotary joint comprises a first shell and a second shell, the first shell is connected with the first rod piece, the second shell is connected with the second rod piece, one end of the connecting rod is hinged with the first shell, the other end of the connecting rod is hinged with the seat piece, the rear end of the seat piece is also hinged with the second shell, and the first shell and the second shell can be switched between relative rotation and locking;
when the first shell and the second shell are locked, the connecting rod and the seat piece are unfolded;
when the first shell and the second shell are unlocked and can rotate relatively, the seat piece is driven to rotate towards the direction of closing the first rod piece.
Further, when the first shell and the second shell are unlocked and can rotate relatively, the first rod piece drives the first shell to rotate, the first shell drives the connecting rod to rotate, the second rod piece drives the second shell to rotate, and the connecting rod and the second shell drive the seat piece to rotate towards the direction of closing the first rod piece.
Further, the seat piece is a seat plate or a seat rod.
Furthermore, the number of the rotary joints is two, one seat piece is arranged between the two rotary joints, and the two connecting rods are respectively connected between the seat piece and the rotary joint on the corresponding side.
Furthermore, the first shell is located on the outer side of the second shell, the connecting rod comprises a bending section and a straight line section, the bending section is connected with the first shell, and the straight line section is connected with the seat piece.
Furthermore, the bending section is connected with the first shell and then bent towards the inner side, so that the straight line section is close to the seat piece.
Furthermore, an unlocking key is arranged on the first rod piece, and when the unlocking key is triggered, the unlocking key drives the rotating joint to unlock.
Furthermore, the first rod piece is inserted into the first shell, and the second rod piece is inserted into the second shell.
The utility model also provides a child stroller comprising any one of the seat folding assemblies, wherein the first rod is a push rod, and the second rod is a rear support rod.
Further, when the child handcart is folded, the push rod turns forwards and moves downwards at the same time, the push rod drives the connecting rod to turn upwards, the rear supporting rod and the second shell turn downwards together, and the connecting rod and the second shell drive the seat piece to turn upwards and fold towards the direction of the push rod together.
After adopting above-mentioned technical scheme, have following beneficial effect:
when the child handcart is folded, the seat piece can be turned and folded towards the first rod piece under the action of the connecting rod and the second shell. Realize children's handcart receipts car in-process, the action linkage of seat piece following first member and second member is folded up, receives car process convenient operation to can reduce the volume after accomodating.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
FIG. 1 is a perspective view of a child stroller in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the seat folding assembly shown in an expanded configuration in accordance with one embodiment of the present invention;
FIG. 3 is a schematic view of the seat folding assembly shown in a folded configuration in accordance with one embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of a seat folding assembly of an embodiment of the present invention shown in an expanded position;
FIG. 5 is an enlarged partial view of another alternate view of the seat folding assembly of one embodiment of the present invention as it is deployed;
fig. 6 is an exploded view of a seat folding assembly in accordance with an embodiment of the present invention.
Reference symbol comparison table:
the front wheel locking mechanism comprises a front rod 1, a rear rod 2, a front wheel 3, a rear wheel 4, a first rod piece 5, an unlocking key 51, a front connecting rod 6, a second rod piece 7, a seat piece 8, a connecting rod 9, a bending section 91, a straight line section 92, a rotating joint 10, a first shell 101 and a second shell 102.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as being all of the present invention or as defining or limiting the technical solutions of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
In some embodiments of the present invention, as shown in fig. 2-3, the seat folding assembly includes a seat member 8, a connecting rod 9, a first rod 5, a second rod 7 and a rotary joint 10, the rotary joint 10 includes a first housing 101 and a second housing 102, the first housing 101 is connected with the first rod 5, the second housing 102 is connected with the second rod 7, one end of the connecting rod 9 is hinged with the first housing 101, the other end of the connecting rod 9 is hinged with the seat member 8, the rear end of the seat member 8 is also hinged with the second housing 102, and the first housing 101 and the second housing 102 can be switched between relative rotation and locking;
when the first shell 101 and the second shell 102 are locked, the connecting rod 9 and the seat member 8 are unfolded;
when the first housing 101 and the second housing 102 are unlocked and can rotate relatively, the seat member 8 is driven to rotate toward the direction of closing the first rod member 5.
Specifically, the revolute joint 10 includes a first housing 101, a second housing 102, and a locking revolute structure disposed in a cavity between the first housing 101 and the second housing 102, and the specific structure of the revolute joint 10 is not described in detail in this application since it is well known in the art.
The revolute joint 10 can be switched between relative rotation and locking, and when the revolute joint 10 is locked, the first casing 101 and the second casing 102 are locked and cannot rotate relatively, and at this time, the revolute joint 10 can keep the first rod 5 and the second rod 7 connected with the revolute joint in a relatively fixed position. When the rotary joint 10 is unlocked, the first shell 101 and the second shell 102 can rotate relatively, and drive the first rod 5 and the second rod 7 to rotate relatively and fold, and when the first shell 101 and the second shell 102 rotate relatively, the first shell 101 and the second shell 102 rotate around the same central axis.
As shown in fig. 5, one end of the link 9 is hinged to the first housing 101, and the rear side of the seat member 8 is hinged to the second housing 102. As shown in fig. 4, the other end of the link 9 is hinged to the front part of the seat member 8. When the first shell 101 and the second shell 102 are locked, the connecting rod 9 and the seat 8 are unfolded, the connecting rod 9 and the seat 8 are arranged obliquely, and the connecting rod 9 is used for lifting the seat 8 to ensure the bearing performance of the seat 8.
As shown in fig. 3, when the first housing 101 and the second housing 102 are unlocked and can rotate relatively, the first housing 101 and the second housing 102 rotate relatively to be closed, the first housing 101 drives the connecting rod 9 to rotate toward a direction close to the first housing 101, the connecting rod 9 and the second housing 102 drive the seat body 8 to rotate toward a direction close to the first rod 5, and finally the seat body 8 is retracted into the inner side of the first rod 5, so that the seat body 8 is retracted along with the movement of the first rod 5 and the second rod 7 in the folding process, the folding process is convenient to operate, and the volume after folding is reduced.
In some embodiments of the present invention, as shown in fig. 2-3, when the first housing 101 and the second housing 102 are unlocked and can rotate relatively, the first rod 5 drives the first housing 101 to rotate, the first housing 101 drives the connecting rod 9 to rotate, the second rod 7 drives the second housing 102 to rotate, and the connecting rod 9 and the second housing 102 drive the seat 8 to rotate toward the direction of closing the first rod 5 together.
Specifically, the first casing 101 and the first rod 5 are fixedly connected relatively, and the second casing 102 and the second rod 7 are fixedly connected relatively, where the "fixedly connected relatively" may include plugging, or snapping, or screwing, or injection molding, or bonding. When the plug-in connection, the clamping connection and the threaded connection are carried out, the plug-in connection, the clamping connection and the threaded connection can be detached.
When the rotary joint 10 is unlocked, the first rod 5 is pushed, the first rod 5 drives the first shell 101 to rotate, the first shell 101 rotates relative to the second shell 102 and drives the connecting rod 9 to rotate together, the connecting rod 9 rotates upwards towards the direction close to the first rod 5, and the end, connected with the seat 8, of the connecting rod 9 drives the seat 8 to turn upwards and to be close to the first rod 5. Meanwhile, the second rod 7 also rotates relative to the first rod 5 and toward the direction close to the first rod 5, the second rod 7 drives the second housing 102 to rotate together, and the second housing 102 drives the seat 8 to move toward the direction close to the first rod 5.
In this embodiment, the seat body 8 can be switched between the two states of unfolding and folding by the relative rotation between the first rod 5 and the second rod 7, so as to realize the linkage of the seat body 8, and facilitate the unfolding and folding of the seat body.
Alternatively, the seat member 8 may be a seat plate, or a seat post, which is covered with a fabric layer, on which a child can sit.
In some embodiments of the present invention, there are two revolute joints 10, one seat member 8 is installed between the two revolute joints 10, and two links 9 are respectively connected between the seat member 8 and the revolute joint 10 on the corresponding side.
Alternatively, as shown in fig. 2, only one link 9 may be connected between one side of the seat member 8 and one revolute joint 10.
As shown in fig. 3, when folded, the seat member 8 is retracted between the two first bar members 5, and the connecting rod 9 is located between the seat member 8 and the second housing 102 from one side and is rotated to a position substantially along the same direction as the first bar members 5, so that the folded volume can be reduced as much as possible.
Alternatively, only one rotary joint 10 may be provided, and the rotary joint 10 is located on one side of the seat member 8 and connected to one link 9. The other side of the seat member 8 can be directly hinged between the first rod member 5 and the second rod member 7.
In some embodiments of the present invention, as shown in fig. 6, the first housing 101 is located outside the second housing 102, the connecting rod 9 includes a bent section 91 and a straight section 92, the bent section 91 is connected to the first housing 101, and the straight section 92 is connected to the seat 8.
The straight line section 92 is hinged with the front part of the seat member 8, the bending section 91 is bent outwards from the straight line section 92, the tail end of the bending section 91 is hinged with the first shell 101, the bending section 91 is not interfered with the second shell 102, a stud bolt extends out of the first shell 101, and the end part of the bending section 91 is connected with the stud bolt on the first shell 101 through a screw.
Since the seat 8 is located inside the revolute joint 10, the straight line section 92 can be connected to the side surface of the seat 8 by bending the first housing 101 after being connected to the bent section 91 and then bending the first housing inward to bring the straight line section into close proximity with the seat 8.
Alternatively, the connecting rod 9 may have other shapes, and may be a straight rod or an arc-shaped rod.
In some embodiments of the present invention, as shown in fig. 2-3, the first rod 5 is provided with an unlocking key 51, and when the unlocking key 51 is triggered, the unlocking key 51 drives the rotary joint 10 to unlock.
Specifically, the unlocking key 51 is installed on the top of the first rod 5, and the unlocking key 51 is inserted into the first rod 5 and the first housing 101 through a steel wire (not shown) connected to the internal structure of the rotary joint 10. When the unlocking key 51 is pressed, the unlocking key 51 pulls the steel wire, and the steel wire drives the rotary joint 10 to unlock. The unlocking key 51 is released, the wire is reset by the reset member, and then the revolute joint 10 is locked again when it is rotated to the locking position.
Optionally, an unlocking handle may be further disposed on the first rod 5, and the rotating joint 10 is driven to unlock by pulling the unlocking handle, or the unlocking handle is driven to unlock by rotating the unlocking handle.
In some embodiments of the present invention, as shown in fig. 1, the stroller comprises a seat folding assembly as in any of the above embodiments, wherein the first bar 5 is a push bar and the second bar 7 is a rear support bar.
Specifically, the child handcart comprises a front rod 1, a rear rod 2, a front wheel 3, a rear wheel 4, a push rod, a front connecting rod 6, a rear supporting rod, a rotating joint 10, a seat piece 8 and a connecting rod 9;
the one end of preceding pole 1 and back pole 2 is articulated with the one end of preceding connecting rod 6, and front wheel 3 is connected to the other end of preceding pole 1, and rear wheel 4 is connected to the other end of back pole 2, and the other end of preceding connecting rod 6 is articulated with the middle part of push rod, and the tip of push rod is passed through revolute joint 10 with the one end of back bracing piece and is connected, and the other end of back bracing piece is articulated with the middle part of back pole 2.
When the child stroller is unfolded, the rotating joint 10 is locked, and the connecting rod 9 and the second shell 102 drive the seat part 8 to be unfolded;
when the child stroller is folded, the rotary joint 10 is unlocked, and the push rod and the rear support rod can rotate relatively. The push rod rotates towards the front of the child stroller and the lower end of the push rod moves backwards downwards, the push rod drives the connecting rod 9, the connecting rod 9 drives the seat piece 8 to rotate upwards and fold towards the direction of the push rod together, the push rod also drives the rear supporting rod to turn downwards and be close to the push rod, and the rear supporting rod drives the seat piece 8 to move towards the direction of the push rod. After the push rod rotates, the front connecting rod 6 and the rear rod 2 are driven to rotate, so that the front rod 1 and the rear rod 2 are folded, the front connecting rod 6 is folded towards the rear rod 2, the whole child trolley is finally folded, and the size of the folded child trolley is favorably reduced.
In this embodiment, the seat member 8 serves as a rear seat for the rear row of children. Optionally, the child stroller may further comprise a seat member for a front row child; or only one seating member 8.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the utility model. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. A seat folding assembly, comprising a seat member (8), a connecting rod (9), a first rod (5), a second rod (7) and a rotary joint (10), wherein the rotary joint (10) comprises a first shell (101) and a second shell (102), the first shell (101) is connected with the first rod (5), the second shell (102) is connected with the second rod (7), one end of the connecting rod (9) is hinged with the first shell (101), the other end of the connecting rod (9) is hinged with the seat member (8), the rear end of the seat member (8) is also hinged with the second shell (102), and the first shell (101) and the second shell (102) can be switched between relative rotation and locking;
when the first shell (101) and the second shell (102) are locked, the connecting rod (9) and the seat piece (8) are unfolded;
when the first shell (101) and the second shell (102) are unlocked and can rotate relatively, the seat piece (8) is driven to rotate towards the direction of closing the first rod piece (5).
2. The seat folding assembly according to claim 1, wherein when the first housing (101) and the second housing (102) are unlocked and can rotate relatively, the first rod (5) drives the first housing (101) to rotate, the first housing (101) drives the connecting rod (9) to rotate, the second rod (7) drives the second housing (102) to rotate, and the connecting rod (9) and the second housing (102) drive the seat (8) to rotate towards the direction of closing the first rod (5) together.
3. The seat folding assembly according to claim 1, characterized in that the seat member (8) is a seat plate, or a seat post.
4. Seat folding assembly according to claim 1, characterized in that there are two of the revolute joints (10), one seat part (8) being mounted between the two revolute joints (10), and two links (9) being connected between the seat part (8) and the revolute joint (10) on the respective side.
5. The seat folding assembly according to claim 4, characterized in that the first housing (101) is located outside the second housing (102), the link (9) comprises a bent section (91) and a straight section (92), the bent section (91) is connected with the first housing (101), and the straight section (92) is connected with the seat member (8).
6. The seat folding assembly of claim 5, characterized in that the bending section (91) is connected to the first housing (101) and is bent inwardly to bring the straight section (92) into close proximity with the seat member (8).
7. The seat folding assembly according to claim 1, characterized in that the first lever (5) is provided with an unlocking key (51), and when the unlocking key (51) is triggered, the unlocking key (51) drives the rotary joint (10) to unlock.
8. The seat folding assembly according to claim 1, characterized in that the first lever (5) is plugged with the first housing (101) and the second lever (7) is plugged with the second housing (102).
9. A child buggy comprising a seat folding assembly according to any of claims 1-8, the first bar (5) being a push bar and the second bar (7) being a rear support bar.
10. A child buggy according to claim 9, characterized in that when the buggy is folded up, the push rod is turned forwards and simultaneously moved downwards, the push rod driving the connecting rod (9) to turn upwards, the rear support rod and the second shell (102) together turning downwards, the connecting rod (9) and the second shell (102) together driving the seat member (8) to turn upwards and to collapse in the direction of the push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826749.XU CN216232519U (en) | 2021-11-17 | 2021-11-17 | Seat folding assembly and child stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826749.XU CN216232519U (en) | 2021-11-17 | 2021-11-17 | Seat folding assembly and child stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216232519U true CN216232519U (en) | 2022-04-08 |
Family
ID=80945709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826749.XU Active CN216232519U (en) | 2021-11-17 | 2021-11-17 | Seat folding assembly and child stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216232519U (en) |
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2021
- 2021-11-17 CN CN202122826749.XU patent/CN216232519U/en active Active
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