CN216833860U - Foldable baby carriage - Google Patents
Foldable baby carriage Download PDFInfo
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- CN216833860U CN216833860U CN202220518046.2U CN202220518046U CN216833860U CN 216833860 U CN216833860 U CN 216833860U CN 202220518046 U CN202220518046 U CN 202220518046U CN 216833860 U CN216833860 U CN 216833860U
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- locking
- rod
- bar
- axis
- push rod
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Abstract
The utility model discloses a foldable baby carriage, when folding up, firstly unlocking a locking structure, then operating a push rod to rotate around a first axis to one side of a rear foot bar to draw close, in the rotating process of the push rod, the push rod drives a first linkage part to move upwards, namely, the lower end of the first linkage part drives the front end of a second linkage part to move upwards, simultaneously the lower end of the first linkage part drives a third linkage part to rotate around a seventh axis to make the rear end of the third linkage part move upwards, so that the front foot bar and the rear foot bar draw close oppositely, in addition, the front end of the third linkage part drives a fourth linkage part to move downwards, and then the fourth linkage part drives a connecting seat to rotate around a third axis to draw close by rotating around one side of the front foot bar, thereby completing the folding work of the baby carriage, therefore, the utility model can complete the whole folding up of the baby carriage only by manually operating the unlocking of the locking structure by a user, the operation is convenient, simple structure, reasonable in design.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the perambulator technique and specifically relates to a collapsible perambulator.
[ background of the invention ]
The children's carriage has become an indispensable product in the growth process of infants. Many of the current market children's vehicles include a folded child vehicle frame and a seat attached to the child vehicle frame. The structure of the current baby carriage is complex, so that the problems of complex operation and inconvenient use exist in the folding or unfolding process of the baby carriage.
Therefore, the present invention has been made in view of the above problems.
[ Utility model ] content
The utility model discloses the purpose is overcome prior art not enough, provides the problem that can improve prior art and exist, has expansion and folding convenient, reasonable in design, simple structure's characteristics.
The utility model discloses a realize through following technical scheme:
a foldable child's vehicle transformable from an unfolded state to a folded state upon unlocking of a locking structure 6, comprising:
the lower end of the front foot rod 1 is connected with a front wheel set 11;
the lower end of the rear foot rod 2 is connected with a rear wheel group 21, and the upper end of the rear foot rod 2 is rotatably connected to the upper end of the front foot rod 1 around a first axis 1A;
the lower end of the push rod 3 is rotatably connected to the upper end of the front foot rod 1 or the upper end of the rear foot rod 2 around a second axis 2A;
the rear end of the connecting seat 4 is rotatably connected to the upper end of the front foot rod 1 around a third axis 3A, and a linkage assembly 5 which can link the front foot rod 1 and the rear foot rod 2 to approach each other when the push rod 3 rotates towards the rear foot rod 2 and links the connecting seat 4 to rotate towards the front foot rod 1 is arranged among the front foot rod 1, the rear foot rod 2, the push rod 3 and the connecting seat 4;
the linkage assembly 5 includes a first linkage 51, a second linkage 52, a third linkage 53 and a fourth linkage 54,
the upper end of the first linkage piece 51 is rotatably connected to the lower end of the push rod 3 around a fourth axis 4A, and the lower end of the first linkage piece 51 is rotatably connected with the front end of the second linkage piece 52 and the rear end of the third linkage piece 53 around a fifth axis 5A;
the rear end of the second linkage member 52 is rotatably connected to the upper part of the rear foot bar 2 around a sixth axis 6A;
the third link 53 is rotatably connected to the upper portion of the front foot bar 1 around a seventh axis 7A, the front end of the third link 53 is rotatably connected to the lower end of the fourth link 54 around an eighth axis 8A, and the upper end of the fourth link 54 is rotatably connected to the front side of the connecting seat 4 around a ninth axis 9A. A foldable child's vehicle as described above, characterized in that the locking structure 6 is located between the front foot bar 1 and the push bar 3 to lock the front foot bar 1 and the push bar 3 to each other.
The foldable child's vehicle as described above is characterized in that the locking structure 6 comprises a locking part 61 provided at the upper end of the front leg bar 1, the push bar 3 is slidably connected with a locking part 62 which can be engaged with or disengaged from the locking part 61, the push bar 3 is also slidably connected with an unlocking part 64, a pull rope 63 which can drive the locking part 62 to disengage from the locking part 61 when the unlocking part 64 slides relative to the push bar 3 is provided between the unlocking part 64 and the locking part 62, and an elastic part 631 which is sleeved on the pull rope 63 and can make the locking part 62 maintain a locking state is provided between the locking part 62 and the push bar 3.
The foldable baby carriage is characterized in that the upper end of the push rod 3 is telescopically connected with a handle rod 31, and a locking device 7 capable of locking the handle rod 31 and the push rod 3 is arranged between the handle rod 31 and the push rod 3.
The foldable child's bike as described above is characterized in that the locking device 7 includes a plurality of locking holes 71 spaced apart from each other on the push rod 3, the handle bar 31 is slidably connected with a locking block 72 capable of being engaged with or disengaged from the locking holes 71, the handle bar 31 is movably connected with an unlocking block 74, a pull cable 73 capable of driving the locking block 72 to disengage from the locking holes 71 when the unlocking block 74 moves relative to the handle bar 31 is disposed between the unlocking block 74 and the locking block 72, and an elastic member 731 which is sleeved on the pull cable 73 and can keep the locking block 72 locked is disposed between the locking block 72 and the handle bar 31.
A foldable pushchair as claimed in the preceding paragraph, characterised in that said first axis 1A and said second axis 2A are coaxially arranged.
The foldable baby carriage is characterized in that the front foot rod 1 is provided with a front foot pedal 12, and the rear foot rod 2 is provided with a rear foot pedal 22.
A foldable child's vehicle as described above, characterised in that the front wheel set 11 is pivotally connected to the lower end of the front foot bar 1.
A foldable pushchair as claimed in the preceding paragraph, characterised in that a seat assembly 41 is attached to the connecting socket 4.
The foldable baby carriage is characterized in that the seat assembly 41 comprises a seat plate 411 connected with a connecting seat 4, the rear side of the seat plate 411 is rotatably connected with a back plate 412, two sides of the back plate 412 are detachably and rotatably connected with grab bars 413, a support connecting rod 414 is arranged between the grab bars 413 and the front end of the seat plate 411, the upper end of the support connecting rod 414 is rotatably connected with the grab bars 413, and the lower end of the support connecting rod 414 is rotatably connected with the front end of the seat plate 411.
Compared with the prior art, the utility model has the advantages of as follows:
1. when the utility model is folded, the locking structure is firstly unlocked, then the push rod is operated to rotate around the first axis to one side of the foot rod to be closed, and the push rod drives the first linkage piece to move upwards in the rotating process of the push rod, namely, the lower end of the first linkage piece drives the front end of the second linkage piece to move upwards, and simultaneously the lower end of the first linkage piece drives the third linkage piece to rotate around the seventh axis so as to enable the rear end of the third linkage piece to move upwards, so that the front foot bar and the rear foot bar are closed towards each other, in addition, the front end of the third linkage piece drives the fourth linkage piece to move downwards, the fourth linkage piece drives the connecting base to rotate around the third axis to draw close the front foot rod, thereby accomplish the folding work to the perambulator, consequently the utility model discloses only need user's manual operation locking structure unblock can accomplish the whole of perambulator and fold up, the simple operation, simple structure, reasonable in design. When the utility model is unfolded, the user operates the push rod to rotate upwards around the first axis to the side far away from the rear foot bar, and in the rotating process of the push rod, the push rod drives the first linkage piece to move downwards, namely, the lower end of the first linkage piece drives the front end of the second linkage piece to move downwards, and simultaneously the lower end of the first linkage piece drives the third linkage piece to rotate around the seventh axis so as to lead the rear end of the third linkage piece to move downwards, so that the front foot rod and the rear foot rod are unfolded back to back, in addition, the front end of the third linkage piece drives the fourth linkage piece to move upwards, the fourth linkage piece drives the connecting seat to rotate around the third axis and to rotate and unfold at the side far away from the front foot bar, and finally the locking structure locks the baby carriage, thereby the completion is to the expansion work of perambulator, consequently the utility model discloses a cooperation of a locking structure and a set of linkage subassembly can be with mutual locking between preceding foot bar, back foot bar, push rod and the connecting seat.
2. First axis 1A and the coaxial setting of second axis 2A can make to rotate more stably smooth and easy, just makes the utility model discloses the structure is compacter, reduces manufacturing cost.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic view of the expansion state of the present invention.
Fig. 4 is a schematic view of the folding process of the present invention.
Fig. 5 is a schematic view of the folding state of the present invention.
Fig. 6 is a cross-sectional view of the locking structure of the present invention.
Fig. 7 is a cross-sectional view of the locking device of the present invention.
Fig. 8 is an exploded view of the present invention.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-8, the utility model relates to a collapsible perambulator can change to fold condition from the expansion state after 6 unblocks to locking structure, include:
the lower end of the front foot rod 1 is connected with a front wheel set 11;
the lower end of the rear foot rod 2 is connected with a rear wheel group 21, and the upper end of the rear foot rod 2 is rotatably connected to the upper end of the front foot rod 1 around a first axis 1A;
the lower end of the push rod 3 is rotatably connected to the upper end of the front foot rod 1 or the upper end of the rear foot rod 2 around a second axis 2A;
the rear end of the connecting seat 4 is rotatably connected to the upper end of the front foot rod 1 around a third axis 3A, and a linkage assembly 5 which can link the front foot rod 1 and the rear foot rod 2 to approach each other when the push rod 3 rotates towards the rear foot rod 2 and links the connecting seat 4 to rotate towards the front foot rod 1 is arranged among the front foot rod 1, the rear foot rod 2, the push rod 3 and the connecting seat 4;
the linkage assembly 5 includes a first linkage 51, a second linkage 52, a third linkage 53 and a fourth linkage 54,
the upper end of the first linkage piece 51 is rotatably connected to the lower end of the push rod 3 around a fourth axis 4A, and the lower end of the first linkage piece 51 is rotatably connected with the front end of the second linkage piece 52 and the rear end of the third linkage piece 53 around a fifth axis 5A;
the rear end of the second linkage member 52 is rotatably connected to the upper part of the rear foot bar 2 around a sixth axis 6A;
the third link 53 is rotatably connected to the upper portion of the front foot bar 1 around a seventh axis 7A, the front end of the third link 53 is rotatably connected to the lower end of the fourth link 54 around an eighth axis 8A, and the upper end of the fourth link 54 is rotatably connected to the front side of the connecting seat 4 around a ninth axis 9A.
As shown in figures 3-5, when the child stroller is folded, the locking structure is unlocked first, then the push rod is operated to rotate around the first axis to the back leg rod side to draw close, during the rotation of the push rod, the push rod drives the first linkage member to move upwards, that is, the lower end of the first linkage member drives the front end of the second linkage member to move upwards, and simultaneously the lower end of the first linkage member drives the third linkage member to rotate around the seventh axis to move the rear end of the third linkage member upwards, so that the front leg rod and the back leg rod draw close oppositely, and in addition, the front end of the third linkage member drives the fourth linkage member to move downwards, and further the fourth linkage member drives the connecting seat to rotate around the third axis to draw close by rotating around one side of the front leg rod, thereby completing the folding work of the child stroller, therefore, the child stroller can be folded integrally only by manually operating the locking structure to unlock by a user, the operation is convenient and simple in structure, the design is reasonable. When the utility model is unfolded, the user operates the push rod to rotate upwards around the first axis to the side far away from the rear foot bar, and in the rotating process of the push rod, the push rod drives the first linkage piece to move downwards, namely, the lower end of the first linkage piece drives the front end of the second linkage piece to move downwards, and simultaneously the lower end of the first linkage piece drives the third linkage piece to rotate around the seventh axis so as to lead the rear end of the third linkage piece to move downwards, so that the front foot rod and the rear foot rod are unfolded back to back, in addition, the front end of the third linkage piece drives the fourth linkage piece to move upwards, the fourth linkage piece drives the connecting seat to rotate around the third axis and to rotate and unfold at the side far away from the front foot bar, and finally the locking structure locks the baby carriage, thereby the completion is to the expansion work of perambulator, consequently the utility model discloses a cooperation of a locking structure and a set of linkage subassembly can be with mutual locking between preceding foot bar, back foot bar, push rod and the connecting seat.
As shown in fig. 1-8, the locking structure 6 is located between the front foot bar 1 and the push rod 3 to lock the front foot bar 1 and the push rod 3 to each other for better locking of the child's vehicle and for convenient user operation.
As shown in fig. 1 to 8, the locking structure 6 includes a locking part 61 disposed at an upper end of the front leg bar 1, a locking part 62 capable of being engaged with or disengaged from the locking part 61 is slidably connected to the push bar 3, an unlocking part 64 is also slidably connected to the push bar 3, a pull rope 63 capable of driving the locking part 62 to disengage from the locking part 61 when the unlocking part 64 slides relative to the push bar 3 is disposed between the unlocking part 64 and the locking part 62, and an elastic part 631 disposed on the pull rope 63 and capable of keeping the locking part 62 locked is disposed between the locking part 62 and the push bar 3. When the unblock, user operation unblock piece 64 slides downwards relative push rod 3, and at this slip in-process, unblock piece 64 drives locking piece 62 through stay cord 63 and upwards moves and make locking piece 62 break away from lock position 61 relative push rod 3, realizes the unblock to push rod 3 this moment, has convenient operation's characteristics.
As shown in fig. 1-8, for the convenience of use, a handle rod 31 is telescopically connected to the upper end of the push rod 3, and a locking device 7 for locking the handle rod 31 and the push rod 3 is arranged between the two.
As shown in fig. 1 to 8, the locking device 7 includes a plurality of locking holes 71 spaced apart from each other on the push rod 3, a locking block 72 capable of being engaged with or disengaged from the locking holes 71 is slidably connected to the handle bar 31, an unlocking block 74 is movably connected to the handle bar 31, a cable 73 capable of driving the locking block 72 to disengage from the locking holes 71 when the unlocking block 74 moves relative to the handle bar 31 is disposed between the unlocking block 74 and the locking block 72, and an elastic member 731 which is sleeved on the cable 73 and can keep the locking block 72 locked is disposed between the locking block 72 and the handle bar 31. When unlocking, a user operates the unlocking block 74 to rotate, the locking block 72 is driven by the inhaul cable 73 to move transversely relative to the handle rod 31, the locking block 72 is enabled to be separated from the locking hole 71, the handle rod 31 can stretch and slide relative to the push rod 3 at the moment, and if the baby carriage is folded, the handle rod 31 is retracted into the push rod 3, so that the occupied space can be reduced, and the baby carriage is convenient to transport and store; if when the baby carriage is unfolded, the handle rod 31 is extended out relative to the push rod 3, so that the baby carriage is convenient for a user to operate and use, and has high practicability. In addition, a plurality of locking holes 71 are arranged on the push rod 3 at intervals, so that the extending length of the handle rod 31 relative to the push rod 3 can be conveniently adjusted to adapt to users with different heights. The unlocking block 74 is rotatably connected to the handle bar 31, and a spring for restoring the unlocking block 74 is provided between the unlocking block 74 and the handle bar 31.
As shown in fig. 1-8, the first axis 1A and the second axis 2A are coaxial, so that the rotation is more stable and smooth, and the utility model discloses the structure is compacter, reduces manufacturing cost.
As shown in fig. 1-8, for convenience of use, the front foot bar 1 is provided with a front foot pedal 12, and the rear foot bar 2 is provided with a rear foot pedal 22.
As shown in fig. 1 to 8, the front wheel set 11 is rotatably coupled to the lower end of the front foot bar 1 for convenience of use.
As shown in fig. 1 to 8, a seat assembly 41 is coupled to the coupling holder 4. In the present embodiment, the seat assembly 41 is detachably coupled to the coupling socket 4, which can facilitate replacement and assembly.
As shown in fig. 1 to 8, the seat assembly 41 includes a seat plate 411 connected to the connecting seat 4, a back plate 412 is rotatably connected to the rear side of the seat plate 411, two sides of the back plate 412 are detachably and rotatably connected to a grab bar 413, a support link 414 is disposed between the grab bar 413 and the front end of the seat plate 411, the upper end of the support link 414 is rotatably connected to the grab bar 413, and the lower end of the support link 414 is rotatably connected to the front end of the seat plate 411, so that the seat assembly can be conveniently folded, the occupied space can be reduced, and the storage and transportation can be conveniently performed.
The working principle is as follows:
as shown in fig. 1-8, when folding, the user operates the unlocking block 74 to rotate, and the locking block 72 is driven by the cable 73 to move transversely relative to the handle bar 31, so that the locking block 72 is disengaged from the locking hole 71, and the handle bar 31 is driven to retract into the push rod 3;
then the lower end of the handle rod 31 drives the unlocking piece 64 to slide downwards relative to the push rod 3, in the sliding process, the unlocking piece 64 drives the locking piece 62 to move upwards relative to the push rod 3 through the pull rope 63, the locking piece 62 is separated from the locking position 61, and the push rod 3 is unlocked at the moment;
then the push rod 3 is operated to rotate around the first axis 1A to approach the side of the back foot rod 2, in the rotating process of the push rod 3, the push rod 3 drives the first linkage piece 51 to move upwards, that is, the lower end of the first linkage member 51 drives the front end of the second linkage member 52 to move upward, and simultaneously the lower end of the first linkage member 51 drives the third linkage member 53 to rotate around the seventh axis 7A so as to drive the rear end of the third linkage member 53 to move upward, so that the front leg rod 1 and the rear leg rod 2 are drawn close to each other, and the front end of the third linkage piece 53 drives the fourth linkage piece 54 to move downwards, the fourth link member 54 drives the connecting base 4 to rotate around the third axis 3A to move toward the front leg bar 1, thereby accomplish the folding work to the perambulator, consequently the utility model discloses only need the unblock of user's manual operation locking device can accomplish the whole of folding up to the perambulator, the simple operation, simple structure, reasonable in design.
Claims (10)
1. A foldable pushchair convertible from an unfolded condition to a folded condition after unlocking a locking structure (6), characterized in that it comprises:
the lower end of the front foot rod (1) is connected with a front wheel set (11);
the lower end of the rear foot rod (2) is connected with a rear wheel set (21), and the upper end of the rear foot rod (2) is rotatably connected to the upper end of the front foot rod (1) around a first axis (1A);
the lower end of the push rod (3) is rotatably connected to the upper end of the front foot rod (1) or the upper end of the rear foot rod (2) around a second axis (2A);
the rear end of the connecting seat (4) is rotatably connected to the upper end of the front foot rod (1) around a third axis (3A), and a linkage assembly (5) which can link the front foot rod (1) and the rear foot rod (2) to mutually draw close and link the connecting seat (4) to rotatably draw close the front foot rod (1) when the push rod (3) rotatably draws close the rear foot rod (2) is arranged among the front foot rod (1), the rear foot rod (2), the push rod (3) and the connecting seat (4);
the linkage assembly (5) comprises a first linkage piece (51), a second linkage piece (52), a third linkage piece (53) and a fourth linkage piece (54),
the upper end of the first linkage piece (51) is rotatably connected to the lower end of the push rod (3) around a fourth axis (4A), and the lower end of the first linkage piece (51) is rotatably connected with the front end of the second linkage piece (52) and the rear end of the third linkage piece (53) around a fifth axis (5A);
the rear end of the second linkage piece (52) is rotatably connected to the upper part of the rear foot rod (2) around a sixth axis (6A);
the third linkage piece (53) is rotatably connected to the upper portion of the front foot rod (1) around a seventh axis (7A), the front end of the third linkage piece (53) is rotatably connected with the lower end of the fourth linkage piece (54) around an eighth axis (8A), and the upper end of the fourth linkage piece (54) is rotatably connected to the front side of the connecting seat (4) around a ninth axis (9A).
2. The foldable child's vehicle according to claim 1, characterized in that the locking structure (6) is located between the front foot bar (1) and the push bar (3) to lock the front foot bar (1) and the push bar (3) to each other.
3. The foldable child's vehicle according to claim 2, characterized in that the locking structure (6) includes a locking position (61) provided at an upper end of the front foot bar (1), the push rod (3) is slidably connected with a locking member (62) that can be snapped into or disengaged from the locking position (61), the push rod (3) is further slidably connected with an unlocking member (64), a pulling rope (63) that can drive the locking member (62) to disengage from the locking position (61) when the unlocking member (64) slides relative to the push rod (3) is provided between the unlocking member (64) and the locking member (62), and an elastic member (631) that is sleeved on the pulling rope (63) and can keep the locking member (62) in a locked state is provided between the locking member (62) and the push rod (3).
4. Foldable buggy according to any one of claims 1-3, characterised in that a handle bar (31) is telescopically connected to the upper end of the push rod (3), and that between the handle bar (31) and the push rod (3) there is arranged a locking device (7) enabling the two to be locked to each other.
5. The foldable child's vehicle as claimed in claim 4, wherein the locking device (7) includes a plurality of locking holes (71) spaced apart from each other on the push rod (3), the handle bar (31) is slidably connected with a locking block (72) capable of being inserted into or separated from the locking holes (71), the handle bar (31) is movably connected with an unlocking block (74), a pulling cable (73) capable of driving the locking block (72) to be separated from the locking holes (71) when the unlocking block (74) moves relative to the handle bar (31) is disposed between the unlocking block (74) and the locking block (72), and an elastic member (731) disposed between the locking block (72) and the handle bar (31) and disposed on the pulling cable (73) and capable of keeping the locking block (72) in a locked state is disposed between the locking block (72) and the handle bar (31).
6. The foldable buggy according to claim 1, characterised in that the first axis (1A) and the second axis (2A) are arranged coaxially.
7. Foldable child's vehicle according to claim 1, characterised in that on the front foot bar (1) there is a front foot pedal (12) and on the rear foot bar (2) there is a rear foot pedal (22).
8. Foldable child's vehicle according to claim 1, characterised in that the front wheel group (11) is pivotally connected to the lower end of the front foot bar (1).
9. The foldable buggy according to claim 1, characterised in that a seat assembly (41) is connected to the connecting seat (4).
10. The foldable child's vehicle of claim 9, characterized in that the seat assembly (41) comprises a seat plate (411) connected with the connecting seat (4), a back plate (412) is rotatably connected to the rear side of the seat plate (411), a grab bar (413) is detachably and rotatably connected to both sides of the back plate (412), a support link (414) is provided between the grab bar (413) and the front end of the seat plate (411), the upper end of the support link (414) is rotatably connected with the grab bar (413), and the lower end of the support link (414) is rotatably connected with the front end of the seat plate (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518046.2U CN216833860U (en) | 2022-03-09 | 2022-03-09 | Foldable baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518046.2U CN216833860U (en) | 2022-03-09 | 2022-03-09 | Foldable baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833860U true CN216833860U (en) | 2022-06-28 |
Family
ID=82094761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518046.2U Active CN216833860U (en) | 2022-03-09 | 2022-03-09 | Foldable baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833860U (en) |
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2022
- 2022-03-09 CN CN202220518046.2U patent/CN216833860U/en active Active
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