CN219857318U - Linkage folding mechanism for baby stroller and baby stroller - Google Patents
Linkage folding mechanism for baby stroller and baby stroller Download PDFInfo
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- CN219857318U CN219857318U CN202321226953.0U CN202321226953U CN219857318U CN 219857318 U CN219857318 U CN 219857318U CN 202321226953 U CN202321226953 U CN 202321226953U CN 219857318 U CN219857318 U CN 219857318U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 59
- 230000007306 turnover Effects 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims description 5
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 5
- 210000002683 foot Anatomy 0.000 description 59
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004744 fore-foot Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001632 homeopathic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model relates to a linkage folding mechanism for a baby stroller, which comprises a frame front foot and a frame rear foot, wherein the upper ends of the frame front foot and the frame rear foot are simultaneously connected with a turnover base; the bicycle is characterized in that the front part of the seat is hinged to the upper part of the front foot of the bicycle frame, the rear part of the seat is connected with a bicycle collecting mechanism, and the end part of the bicycle collecting mechanism is provided with a telescopic locking piece; a linkage piece is hinged between the middle rear part of the seat and the upper part of the rear foot of the frame, and a locking piece is arranged at the position, close to the rear foot of the frame, of the linkage piece, so that when the trolley is in an unfolding state, the locking piece can be matched with the locking piece in a concave-convex mode to form locking. According to the utility model, the front frame leg, the rear frame leg and the seat realize one-step operation and one-hand lifting through the linkage action among the overturning base, the linkage piece and the vehicle collecting mechanism, so that the rapid folding can be completed; and the front feet, the seat and the rear feet of the folded frame are tightly attached in sequence, so that the size of the frame is reduced, and the storage and the carrying are convenient.
Description
Technical Field
The utility model belongs to the field of baby strollers, and particularly relates to a linkage folding mechanism for a baby strollers and the baby strollers.
Background
As an infant travel tool, the stroller is convenient to carry and store, so that most of existing strollers are foldable mechanisms, folding structures and folding modes are various, and along with continuous improvement of technologies and structures, the overall trend is to simplify folding steps, reduce the overall volume after folding, and lift and carry. An automatic dislocating and folding mechanism for a backrest group of a stroller as disclosed in CN212401334U, and an entire stroller collecting structure for a stroller as disclosed in CN216269471U, wherein the folding operation comprises a plurality of steps.
Disclosure of Invention
The utility model mainly aims at the problem of folding the frame of the baby stroller, and discloses a linkage folding mechanism for the baby stroller, wherein the frame front foot, the frame rear foot and the seat realize one-step operation and one-hand lifting to complete rapid folding through the linkage action among a turnover base, a linkage piece and a folding mechanism; and the front feet, the seat and the rear feet of the folded frame are tightly attached in sequence, so that the size of the frame is reduced, and the storage and the carrying are convenient.
The utility model aims at realizing the following technical scheme: a linkage folding mechanism for a baby stroller comprises a front frame leg positioned at the front part and a rear frame leg positioned at the rear part, wherein the upper ends of the front frame leg and the rear frame leg are simultaneously connected with a turnover base positioned in the middle part of the frame; the bicycle is characterized in that the front part of the seat is hinged to the upper part of the front foot of the bicycle frame, the rear part of the seat is connected with a bicycle collecting mechanism, the end part of the bicycle collecting mechanism is provided with a telescopic locking piece, and the bicycle collecting mechanism is further provided with an operating component for driving the locking piece to conduct telescopic movement.
A linkage piece is hinged between the middle rear part of the seat and the upper part of the rear foot of the frame, and a locking piece is arranged at the position, close to the rear foot of the frame, of the linkage piece, so that when the trolley is in an unfolding state, the locking piece can be matched with the locking piece in a concave-convex mode to form locking.
When the lower part of the frame is folded, the front legs of the frame, the seat, the linkage piece and the rear legs of the frame are connected by virtue of the vehicle collecting mechanism and the linkage piece to form a support; when the vehicle collecting mechanism and the linkage piece are separated from each other and the vehicle collecting mechanism is lifted upwards, the seat is turned downwards relative to the front foot of the vehicle frame and folded, the linkage piece is turned over along with the seat, the vehicle collecting mechanism is positioned at the uppermost end, and meanwhile, the rear foot of the vehicle frame is turned forwards relative to the front foot of the vehicle frame and folded, and finally, the front foot of the vehicle frame, the seat and the rear foot of the vehicle frame are sequentially and tightly attached to each other to complete folding.
Preferably, a first hinge hole is formed in one end of the linkage member, a second hinge hole is formed in the other end of the linkage member, and a hole-shaped or groove-shaped locking member is arranged at a position close to the second hinge hole; the linkage member is hinged to the side surface of the middle rear part of the seat through the first hinge hole and the shaft or the pin in the first hinge hole, and the linkage member is hinged to the inner side of the upper part of the rear foot of the frame through the second hinge hole and the shaft or the pin in the second hinge hole.
When the frame is in an unfolding state, locking pieces at two ends of the vehicle collecting mechanism transversely penetrate through locking pieces on the linkage pieces and then are inserted into locking holes of rear feet of the frame, so that stable supports are formed among the seat, the linkage pieces and the rear feet of the frame; when the frame is folded, the locking pieces at two ends of the vehicle collecting mechanism shrink inwards and are separated from the rear legs of the frame and the linkage piece, so that the locking effect between the linkage piece and the rear legs of the frame is relieved, and the seat, the linkage piece and the rear legs of the frame can be turned relatively.
Preferably, the vehicle collecting mechanism comprises a tubular main body, a locking piece which is arranged at the end part of the tubular main body and can be telescopically translated relative to the tubular main body, and an operation assembly which is arranged on the tubular main body and used for driving the locking piece to telescopically move. The locking piece is separated from the locking hole on the rear foot of the frame by rotating the operation assembly, so that the stable support among the front foot of the frame, the seat and the rear foot of the frame is released.
Preferably, the upper end of the rear foot of the frame is hinged to the overturning base through a shaft or a pin, and an overturning limiting piece for limiting the relative overturning direction and overturning angle of the rear foot of the frame is arranged at the periphery of the hinged part of the rear foot of the frame and the overturning base; the overturning limiting piece is arranged to be a blocking piece which is half-opened towards the direction of the rear foot of the frame, and when the rear foot of the frame is in a unfolding state, the overturning limiting piece can be attached to the side wall of the upper end of the rear foot of the frame. When the frame is folded, the frame rear foot turns towards the frame front foot direction, so that the frame rear foot is separated from the turning limiting piece.
Preferably, the position of the turnover base corresponding to the front foot of the frame is fixedly connected with a front foot connecting piece, and the front foot connecting piece is detachably connected with the upper end of the front foot of the frame.
Another object of the present utility model is to provide a stroller, wherein a frame of the stroller includes the above-mentioned linkage folding mechanism for the stroller, and the stroller is characterized in that a stroller armrest is disposed at an upper portion of the frame, and a lower end of the stroller armrest is movably connected to the overturning base; the middle part of the frame and the part corresponding to the upper part of the seat are provided with seat armrests, and the end parts of the seat armrests are movably connected with the overturning base.
Preferably, the end part of the seat armrest is hinged to the overturning base in the middle of the frame, the lower end of the trolley armrest is hinged to the end part of the seat armrest, and the trolley armrest can drive the seat armrest to overturn in a homeopathic manner in the overturning process of the trolley armrest towards the seat armrest. The handrails of the cart and the armrests of the chair can be overturned and folded, so that the integral folding of the frame is not affected.
Preferably, a front wheel mechanism is provided at the lower end of the front leg, and a rear wheel mechanism is provided at the lower end of the rear leg of the frame. The arrangement of the front wheel mechanism and the rear wheel mechanism does not prevent the frame from being folded smoothly.
Preferably, a sunshade is provided at the upper part of the frame. The awning can be folded, and the normal folding of the frame is not hindered.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the linkage actions among the frame front foot, the frame rear foot and the seat, the turnover base, the linkage piece and the vehicle collecting mechanism, the rapid folding can be completed by one-step operation and one-hand lifting; and the front feet, the seat and the rear feet of the folded frame are tightly attached in sequence, so that the size of the frame is reduced, and the storage and the carrying are convenient.
Drawings
FIG. 1 is a schematic diagram of a linked folding mechanism of the present utility model;
FIG. 2 is a schematic diagram of a linked folding mechanism of the present utility model;
FIG. 3 is a schematic view of a linked folding mechanism and a partial explosion;
FIG. 4 is a partial block diagram of the ganged folding mechanism of the present utility model;
FIG. 5 is a schematic view of the folded state of the present utility model;
FIG. 6 is a schematic view of a folded state of the present utility model;
fig. 7 is a schematic view of a stroller according to the present utility model.
The marks in the figure: 1. a frame front foot; 11. a forefoot connection; 2. a frame rear foot; 21. overturning the limiting piece; 22. a locking piece; 3. overturning the base; 31. a hinge base; 4. a seat; 5. a vehicle collecting mechanism; 51. a locking member; 52. an operating assembly; 53. a locking hole; 6. a linkage member; 61. a first hinge hole; 62. a second hinge hole; 63. a locking member; 7. a trolley armrest; 71. a turnover piece; 72. a hinge part; 73. a third shaft hole; 74. a limiting piece; 75. a switch assembly; 76. a buckle; 8. a seat armrest; 81. a second shaft hole; 9. and a sunshade awning.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
example 1:
as shown in fig. 1-4, a linkage folding mechanism for a baby stroller mainly comprises a front frame leg 1 positioned at the front part, a rear frame leg 2 positioned at the rear part, a turnover base 3, a linkage piece 6 and a vehicle collecting mechanism 5; the front foot 1 of the frame is U-shaped and is formed by connecting rod pieces at two sides and a rod piece in the middle; the rear leg 2 of the frame is U-shaped and is formed by connecting rod pieces on two sides and a rod piece in the middle.
When the frame is unfolded, the frame front foot 1 is obliquely supported at the front part of the frame, the frame rear foot 2 is obliquely supported at the rear part of the frame, the overturning base 3 is positioned at the middle part of the frame, and the upper ends of the frame front foot 1 and the upper end of the frame rear foot 2 are connected with the overturning base 3; the main body of the overturning base 3 is a hollow oblate cylindrical shell, and is formed by splicing an inner half shell and an outer half shell, and the side wall of the shell is provided with at least two mounting parts for mounting front and rear feet of a frame.
A front foot connecting piece 11 is fixed at the front position of the lower part of the turnover base 3, namely the position corresponding to the front foot 1 of the frame, the upper end of the front foot connecting piece 11 is detachably fixed on the turnover base 3, and the lower half section of the front foot connecting piece 11 is sleeved and fastened with the hollow front foot 1 of the frame.
The upper end of the frame rear foot 2 is hinged to the lower part of the turnover base 3 by a shaft or a pin, and a turnover limiting piece 21 for limiting the relative turnover direction and turnover angle of the frame rear foot 2 is arranged at the periphery of the hinged part of the upper end and the lower part; the overturning limiting piece 21 is an arc-shaped blocking piece which is arranged towards the half opening of the direction of the rear frame leg 2, and when the rear frame leg 2 is in a state of unfolding the maximum angle, the overturning limiting piece 21 can be attached to the side wall of the upper end of the rear frame leg 2; i.e. the roll-over limiter 21 serves to limit the maximum deployment angle of the frame rear foot 2.
The seat 4 is arranged in the middle of the frame, two sides of the front part of the seat 4 are hinged to the upper part of the front foot 1 of the frame through shafts or pins, and two ends of the rear part of the seat 4 are hinged to a vehicle collecting mechanism 5 through bearing plates with shaft holes.
The vehicle collecting mechanism 5 comprises a hollow tubular main body, locking pieces 51 are arranged at two end parts of the tubular main body, the locking pieces 51 can be telescopically translated relative to the tubular main body, an operation assembly 52 for driving the locking pieces 51 to telescopically move is arranged outside the middle part of the tubular main body and inside the tubular main body, and the operation assembly 52 comprises a handle for conveniently lifting the vehicle frame.
Specifically, technical features related to a locking mechanism disclosed in CN208453074U, technical features related to a locking mechanism disclosed in CN208698844U, and technical features related to a locking mechanism disclosed in CN214383387U are that a vehicle collecting rotating member is arranged in the middle of the tubular main body, hollow fixed pipes are arranged on two sides of the vehicle collecting rotating member, two sliding chute are symmetrically arranged on the vehicle collecting rotating member, a sliding member is arranged in each hollow pipe, one end of the sliding member, which is close to the vehicle collecting rotating member, is provided with a convex linkage pin, the linkage pin is connected with the sliding chute, and when the vehicle collecting rotating member is rotated, the sliding member is driven to stretch and retract. For convenient operation, a handle is arranged on the vehicle collecting rotary piece.
One end of the sliding part far away from the vehicle collecting rotating part is connected with the locking part 51, meanwhile, a convex blocking part is arranged on the sliding part and close to the inner side of the locking part 51, a return spring is also arranged on the sliding part, one end of the return spring is in contact with the inner side of the fixed pipe, and the other end of the return spring is in contact with the blocking part; when unlocking, the handle is lifted upwards, the vehicle collecting rotating piece is rotated, the sliding piece is retracted under the drive of the sliding chute, the locking piece 51 is retracted, and the reset spring is compressed; when in locking, the handle is released, the sliding piece is outwards ejected under the action of the reset spring, and the locking piece 51 is matched with the locking piece 63 in a concave-convex mode to form locking after being ejected.
A linkage piece 6 is hinged between the side surface of the middle part of the seat 4, which is backwards, and the upper part of the frame rear leg 2, the main body of the linkage piece 6 is in a strip plate shape, one end of the linkage piece is provided with a first hinge hole 61, the other end is provided with a second hinge hole 62, and meanwhile, a hole-shaped or groove-shaped locking piece 63 is arranged at a position close to the second hinge hole 62; the link 6 is hinged to the front side of the seat 4 through the first hinge hole 61 and a pin or shaft in the first hinge hole 61, and the link 6 is hinged to the upper inner side of the frame rear foot 2 through the second hinge hole 62 and a pin or shaft in the second hinge hole 62; meanwhile, the locking pieces 51 at the two ends of the vehicle collecting mechanism 5 can be matched with the locking pieces 63 in a concave-convex manner to form locking.
When the frame is unfolded, the locking pieces 51 at the two ends of the vehicle collecting mechanism 5 pass through the locking pieces 63 on the linkage piece 6 first and then correspondingly penetrate into the locking holes 53 at the upper part of the rear foot 2 of the frame.
Example 2:
as shown in fig. 1-7, a stroller frame comprises the linkage folding mechanism of embodiment 1; a front wheel mechanism is arranged at the lower end of the front foot 1 of the frame, a rear wheel mechanism is arranged at the lower end of the rear foot 2 of the frame,
a foldable awning 9 is arranged on the upper part of the frame, in particular, a U-shaped awning support piece is simultaneously and rotatably hinged on the rod pieces on two sides of the trolley handrail, and awning cloth is connected between the awning support piece and the rod pieces.
A trolley handrail 7 is arranged at the upper part of the frame, and a seat handrail 8 is arranged at the middle part of the frame and at a position corresponding to the upper part of the seat 4; both the trolley armrests 7 and the seat armrests 8 are substantially U-shaped; wherein, the two ends of the seat armrest 8 are respectively hinged with the two overturning bases 3 in the middle of the frame, and the two lower ends of the cart armrest 7 are respectively hinged with the two ends of the seat armrest 8.
Specifically, the overturning base 3 is fixedly connected to the middle part of the frame and hollow, one side of the overturning base 3, which is close to the seat armrest 8, is provided with a hinge seat 31 which is relatively protruded, two parallel shaft holes of the hinge seat 31 are connected with a shaft or a pin, and meanwhile, the end part of the seat armrest 8 is provided with a shaft hole and is connected with the shaft or the pin through the shaft hole, so that the seat armrest 8 and the hinge seat 31 are in rotary connection.
The end part of the seat armrest 8, which penetrates into the overturning base 3, is in a flat plate shape, the part is provided with a second shaft hole 81, the second shaft hole 81 is close to one side of the trolley armrest 7, and the trolley armrest 7 is hinged at the second shaft hole 81; specifically, the lower end of the cart armrest 7 is fixedly connected with a turnover member 71, the turnover member 71 penetrates into the turnover base 3, the turnover member 71 is plate-shaped and has a relatively convex hinge part 72 towards one side of the seat armrest 8, the end part of the hinge part 72 is provided with a third shaft hole 73, a shaft or a pin is connected in the third shaft hole 73, and then the turnover member 71 is hinged with the seat armrest 8 through the shaft hole, the shaft or the pin.
The side of the turnover piece 71 far away from the seat armrest 8 is provided with a limiting piece 74, the limiting piece 74 can relatively stretch and retract, and meanwhile, a limiting hole or a limiting groove is formed in the position, corresponding to the limiting piece 74, in the turnover base 3.
The middle part of the trolley handrail 7 is provided with a switch assembly 75 for driving the limiting piece 74 to stretch and retract relative to the overturning piece 71, a transmission piece is connected between the switch assembly 75 and the limiting piece 74, and the transmission piece is positioned inside the trolley handrail 7. The switch assembly 75 may employ a push switch, return spring, wire rope, or the like.
One side of the frame rear leg 2 is transversely fixed with a locking piece 21, the locking piece 21 is in a strip plate shape, the locking piece 21 is provided with a lock hole, meanwhile, the same side of the cart armrest 7 is provided with a relatively protruding buckle 76, and when the frame is completely folded, the buckle 76 can be buckled into the lock hole of the locking piece 21.
Folding:
the trolley armrest 7 is turned downwards to the lowest position, and at the moment, the seat armrest 8 is driven to be turned downwards to the lowest position;
holding the handle in the middle of the vehicle collecting mechanism 5 and lifting the whole vehicle frame upwards, at this time, the locking piece 51 of the vehicle collecting mechanism 5 is separated from the rear foot 2 and the linkage piece 6 of the vehicle frame, then the seat 4 is turned downwards, and the handrail, the front foot and the rear foot of the vehicle frame of the cart are continuously close to each other under the action of gravity to complete folding;
the buckle 76 on the trolley handrail 7 is buckled into the lock hole on the lock catch piece 21 on the frame rear leg 2.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. A linkage folding mechanism for a baby stroller comprises a front frame leg (1) positioned at the front part and a rear frame leg (2) positioned at the rear part, wherein the upper ends of the front frame leg and the rear frame leg are simultaneously connected with a turnover base (3) positioned at the middle part of the frame; the bicycle is characterized in that the front part of the seat is hinged to the upper part of the front foot of the bicycle frame, the rear part of the seat is connected with a bicycle collecting mechanism (5), the end part of the bicycle collecting mechanism is provided with a telescopic locking piece (51), and the bicycle collecting mechanism is further provided with an operating component (52) for driving the locking piece to perform telescopic movement;
a linkage piece (6) is hinged between the middle rear part of the seat and the upper part of the rear foot of the frame, and a locking piece (63) is arranged at the position, close to the rear foot of the frame, of the linkage piece, so that when the trolley is in an unfolding state, the locking piece can be matched with the locking piece in a concave-convex mode to form locking.
2. The linkage folding mechanism for a stroller according to claim 1, wherein the linkage member has a first hinge hole (61) at one end and a second hinge hole (62) at the other end, and a hole-like or groove-like locking member (63) is provided at a position close to the second hinge hole; the linkage member is hinged to the side surface of the middle rear part of the seat through the first hinge hole and the shaft or the pin in the first hinge hole, and the linkage member is hinged to the inner side of the upper part of the rear foot of the frame through the second hinge hole and the shaft or the pin in the second hinge hole.
3. The ganged folding mechanism for strollers of claim 2, wherein the stowing mechanism includes a tubular body, a locking member (51) disposed at an end of the tubular body and capable of telescopic translation relative to the tubular body, and an operating assembly (52) disposed on the tubular body for driving the locking member in telescopic movement.
4. The linkage folding mechanism for the baby stroller according to claim 2, wherein the upper ends of the rear legs of the frame are hinged to the overturning base through shafts or pins, and an overturning limiting piece (21) for limiting the overturning direction and the overturning angle of the rear legs of the frame is arranged at the periphery of the hinged part of the two; the overturning limiting piece is arranged to be a blocking piece which is half-opened towards the direction of the rear foot of the frame, and when the rear foot of the frame is in a unfolding state, the overturning limiting piece can be attached to the side wall of the upper end of the rear foot of the frame.
5. The linkage folding mechanism for a stroller according to claim 2, wherein the portion of the flip base corresponding to the front foot of the frame is fixedly connected to a front foot connecting member (11) detachably connected to the upper end of the front foot of the frame.
6. A stroller, the frame of which comprises the linkage folding mechanism for the stroller as defined in any one of claims 1 to 5, characterized in that a stroller armrest (7) is arranged at the upper part of the frame, and the lower end of the stroller armrest is movably connected with the overturning base; the middle part of the frame and the part corresponding to the upper part of the seat are provided with seat armrests (8), and the end parts of the seat armrests are movably connected with the overturning base.
7. The stroller of claim 6, wherein the end of the seat rail is hinged to the flip base in the middle of the frame, the lower end of the stroller rail is hinged to the end of the seat rail, and the stroller rail can drive the seat rail to flip in a forward direction during the process of flipping the stroller rail toward the seat rail.
8. A stroller according to claim 6 or 7, wherein a front wheel mechanism is provided at a lower end of the front leg and a rear wheel mechanism is provided at a lower end of the rear leg of the frame.
9. A stroller according to claim 6 or 7, characterized in that a sunshade (9) is provided in the upper part of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226953.0U CN219857318U (en) | 2023-05-17 | 2023-05-17 | Linkage folding mechanism for baby stroller and baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226953.0U CN219857318U (en) | 2023-05-17 | 2023-05-17 | Linkage folding mechanism for baby stroller and baby stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219857318U true CN219857318U (en) | 2023-10-20 |
Family
ID=88371956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226953.0U Active CN219857318U (en) | 2023-05-17 | 2023-05-17 | Linkage folding mechanism for baby stroller and baby stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219857318U (en) |
-
2023
- 2023-05-17 CN CN202321226953.0U patent/CN219857318U/en active Active
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