CN216102332U - Folding linkage unlocking frame folding baby carriage with seat folding - Google Patents

Abstract

The utility model belongs to the technical field of baby carriages, and particularly relates to a baby carriage with a foldable seat, wherein the baby carriage is folded by a seat folding linkage unlocking frame and comprises a frame and a foldable seat arranged on the frame, a frame folding locking component for locking the frame is arranged on the frame, a frame folding unlocking device capable of unlocking the frame folding locking component is arranged between the frame and the foldable seat, and when the foldable seat rotates relative to the frame and is folded, the frame folding unlocking device can be driven to unlock the frame folding locking component, so that the frame can be folded. The foldable seat is installed on the seat adapter of the frame, and in the process of folding the foldable seat, the foldable seat rotates relative to the seat adapter, and the frame folding unlocking device is driven to unlock the frame folding locking assembly, so that the frame is folded, the overall space of the baby carriage after being folded is smaller, the baby carriage is convenient to store, the foldable seat can be unlocked and folded together in the folding process, and the linkage unlocking and folding mode enables the operation to be simpler.

Description

Folding linkage unlocking frame folding baby carriage with seat folding

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of children's vehicles, and particularly relates to a child vehicle with a foldable seat, a linkage unlocking frame and a foldable frame.

[ background of the utility model ]

The baby carriage is a 'vehicle' for babies, and can be moved only by assisting a person in pushing or pulling. Is a necessary vehicle for assisting parents to carry babies to go to the street and walk. With the development of the baby carriage, the portability of the baby carriage is valued by parents. Because the stroller is bulky when unfolded, the stroller is usually folded by arranging a foldable frame so as to be convenient to carry, transport or store. Therefore, the folding mode and the folding operation of the baby carriage product also become one of selling points attracting consumers.

The existing baby carrier is generally formed by independently folding a seat and a frame, the size of the baby carrier is large due to the fact that the seat and the frame cannot be folded after the baby carrier is independently folded, and the seat and the frame need to be independently folded by separate operations, so that the folding operation is complicated.

[ Utility model ] content

The utility model provides a baby carrier with a folding linkage unlocking frame for folding a seat, which has simple and convenient folding operation and smaller volume after folding.

The utility model is realized by the following technical scheme:

the folding baby carriage comprises a frame and a foldable seat arranged on the frame, wherein the frame is provided with a frame folding locking assembly for locking the frame, a frame folding unlocking device capable of unlocking the frame folding locking assembly is arranged between the frame and the foldable seat, and when the foldable seat rotates relative to the frame and is folded, the frame folding unlocking device can be driven to unlock the frame folding locking assembly, so that the frame can be folded.

The baby carrier with the foldable frame unlocked through linkage of seat folding and seat folding comprises a foldable front foot, a front foot connector arranged on the foldable front foot, a seat adapter hinged with the front foot connector and used for installing a foldable seat, and a foldable rear foot connected with the seat adapter, the frame folding locking component comprises a frame folding latch member, a first frame folding slot arranged on the front foot connecting member and matched with the frame folding latch member, a second frame folding slot arranged on the seat adapter and matched with the frame folding latch member, and a first elastic element arranged between the frame folding latch member and the seat adapter, when the front foot connector is hinged to the seat adapter, the frame folding latch member is located between the first frame folding slot and the second frame folding slot to limit the rotation of the front foot connector relative to the seat adapter.

The foldable seat comprises a seat adapter, a frame unlocking sliding piece, a first inclined plane, a second inclined plane, a first unlocking lug and a second unlocking lug, wherein the frame unlocking sliding piece is arranged on the seat adapter and can move along the radial direction of the seat adapter relative to the frame folding clamping piece, the first inclined plane is arranged on one side, close to the seat adapter, of the frame unlocking sliding piece, the second inclined plane is arranged on one side, close to the frame unlocking sliding piece and matched with the first inclined plane, of the frame unlocking sliding piece, the first unlocking lug is arranged at one end of the frame unlocking sliding piece, the second unlocking lug is arranged on the foldable seat and can be matched with the first unlocking lug, when the foldable seat is rotated and folded, the second unlocking lug can be driven to rotate relative to the first unlocking lug to be abutted against the first unlocking lug and drive the first unlocking lug to move so as to drive the frame unlocking sliding clamping piece to slide relative to the frame folding clamping piece, and the frame folding clamping piece is driven to move far away from the first vehicle through the cooperation of inclined wedges of the first inclined plane and the inclined plane The frame folding clamping groove moves to be separated from the first frame folding clamping groove, so that the front foot connector can rotate relative to the seat adapter.

The folding seat comprises a seat frame group, a seat dismounting component and a backrest group which are respectively arranged at two sides of the seat frame group and are hinged with the seat frame group, a backrest locking component used for limiting the rotation of the backrest group relative to the seat frame group is arranged at the hinged part of the seat frame group and the backrest group, a backrest unlocking device capable of unlocking the backrest locking assembly is arranged on the backrest group, a seat frame locking assembly used for limiting the rotation of the seat frame group relative to the seat dismounting assembly is arranged between the seat frame group and the seat dismounting assembly, a seat frame unlocking device capable of unlocking the seat frame locking assembly is arranged between the backrest group and the seat frame group, after the backrest locking assembly is unlocked, the backrest group can rotate and fold towards the seat frame group, and when the backrest group rotates relative to the seat frame group, the seat frame unlocking device can be driven to unlock the seat frame locking assembly, so that the seat frame group can rotate and fold relative to the seat dismounting assembly.

The seat folding linkage unlocking frame folding baby carrier comprises a backrest group and a backrest frame hinged piece arranged at the lower end of the backrest frame, the seat frame group comprises a seat frame and a seat frame hinged element arranged at one end of the seat frame, two sides of the seat frame hinged element are respectively matched with the backrest frame hinged element and the seat dismounting assembly in a rotating way, the backrest locking component comprises a backrest locking piece arranged on the seat frame hinged piece and a locking bolt which is arranged on the backrest frame and extends into the seat frame hinged piece to be matched with the backrest locking piece, the backrest unlocking device comprises a first unlocking button which is arranged on the backrest frame and can pull the locking bolt to move, and a linkage piece which is arranged between the first unlocking button and the locking bolt, the first unlocking button can pull the latch bolt to move towards the direction far away from the backrest latch part, so that the latch bolt is separated from the backrest latch part, and the backrest frame can rotate relative to the seat frame.

As mentioned above the seat folding linkage unlocking frame folding bassinet, the seat frame locking assembly comprises a movable element arranged between the back frame hinged element and the seat frame hinged element, a seat frame locking piece arranged on one side of the movable element close to the seat frame hinged element, a first clamping groove arranged on the seat frame hinged element and corresponding to the seat frame locking piece and allowing the seat frame locking piece to pass through, a second clamping groove arranged on the seat dismounting assembly and corresponding to the first clamping groove and allowing the seat frame locking piece to extend into, and a rotary ejection lug arranged on the inner side of the back frame hinged element, wherein the rotary ejection lug ejects the movable element seat frame locking piece to pass through the first clamping groove and extend into the second clamping groove so as to limit the seat frame hinged element to rotate relative to the seat dismounting assembly.

The seat frame unlocking device comprises a rotating chute and a second elastic element, the rotating chute is arranged on one side, close to the backrest frame hinged part, of the movable element and matched with the rotating ejection lug, the second elastic element is arranged between the movable element and the seat frame hinged part, when the backrest frame hinged part rotates relative to the movable element, the rotating ejection lug gradually extends into the rotating chute along the inclined plane of the rotating chute, and the second elastic element pushes the movable element to be close to the backrest frame hinged part, so that the seat frame clamping and locking part is far away from the second clamping groove until the seat frame clamping and locking part is separated from the second clamping groove, and the seat frame can rotate relative to the seat frame dismounting and mounting component in a folding mode.

As above folding bassinet of linkage unblock frame is closed to seat, first unblock lug is the trapezoidal lug that both sides are low, the centre is high, and it stretches out outside the seat adapter and forms the interval between the seat adapter, and seat frame articulated elements week side is located to the second unblock lug, seat frame unlocking device is with seat frame locking Assembly unblock, makes when seat frame articulated elements rotates relative seat dismouting subassembly and folds up, seat frame articulated elements rotates relative seat adapter, until second unblock lug and first unblock lug counterbalance and drive first unblock lug along seat adapter radial movement.

According to the folding baby carrier with the seat folding linkage unlocking frame, the seat frame group is hinged with the armrests, the armrest locking assemblies used for limiting the armrests to rotate relative to the seat frame group are arranged between the seat frame group and the armrests, the armrest unlocking device capable of unlocking the armrest locking assemblies is arranged between the seat frame group and the backrest group, and when the backrest group rotates towards the seat frame group and is folded, the armrest unlocking device can be driven to unlock the armrest locking assemblies, so that the armrests can rotate relative to the seat frame group and are folded.

The folding and unlocking device of the frame comprises an unlocking mounting groove arranged at one side of the front foot connecting piece far away from the folding and locking piece of the frame, a second unlocking button movably arranged in the unlocking mounting groove, a movable clamping piece and a movable unlocking boss which are arranged at one side of the second unlocking button close to the front foot connecting piece, one end of the movable clamping piece penetrates through the front foot connector and is used for limiting the second unlocking button to move along the direction far away from the front foot connector, one end of the movable unlocking lug boss penetrates through the front foot connecting piece and can be abutted against the folding and locking piece of the frame, the second unlocking button can push the movable clamping piece and the movable unlocking boss to move along the direction close to the folding clamping piece of the frame so as to push the folding clamping piece of the frame to be separated from the folding clamping groove of the first frame, and meanwhile, the first elastic element is compressed, so that the front foot connecting piece can rotate relative to the seat adapter.

Compared with the prior art, the utility model has the following advantages:

1. the utility model provides a baby carriage with a foldable linkage unlocking frame for folding a seat, which comprises a frame and a foldable seat arranged on the frame, wherein a frame folding locking component for locking the frame is arranged on the frame, a frame folding unlocking device capable of unlocking the frame folding locking component is arranged between the frame and the foldable seat, and when the foldable seat rotates relative to the frame and is folded, the frame folding unlocking device can be driven to unlock the frame folding locking component, so that the frame can be folded. The foldable seat is arranged on the seat adapter of the frame, and in the process of folding the foldable seat, the foldable seat rotates relative to the seat adapter, and simultaneously drives the frame folding unlocking device to unlock the frame folding locking assembly, so that the frame is folded, the overall space of the baby carriage after folding is smaller, the baby carriage is convenient to store, the foldable seat can be unlocked to fold the frame together in the folding process, and the linkage unlocking and folding mode enables the operation to be simpler;

2. the utility model provides a foldable seat, which comprises a seat frame group, a seat dismounting component and a backrest group, wherein the seat dismounting component and the backrest group are respectively hinged with the seat frame group, a backrest locking component used for limiting the rotation of the backrest group relative to the seat frame group is arranged at the hinged position of the seat frame group and the backrest group, a backrest unlocking device capable of unlocking the backrest locking component is arranged on the backrest group, a seat frame locking component used for limiting the rotation of the seat frame group relative to the seat dismounting component is arranged between the seat frame group and the seat dismounting component, a seat frame unlocking device capable of unlocking the seat frame locking component is arranged between the backrest group and the seat frame group, when the foldable seat is folded, the backrest group can rotate towards the seat frame group to fold, and when the backrest group rotates relative to the seat frame group, the seat frame unlocking device can be driven to unlock the seat frame locking component, so that the seat frame group can rotate relative to the seat dismounting component to fold, therefore, the whole space of a baby carriage after being folded is smaller, and the baby carriage is convenient to store, in addition, the folding type baby carrier can be folded to the maximum extent by matching the folding form of the frame;

3. the seat frame group is hinged on the seat frame group, the armrest locking assembly used for limiting the armrest to rotate relative to the seat frame group is arranged between the seat frame group and the armrest, the armrest unlocking device capable of unlocking the armrest locking assembly is arranged between the seat frame group and the backrest group, when the backrest group rotates towards the seat frame group and is folded, the armrest unlocking device can be driven to unlock the armrest locking assembly, the armrest can rotate relative to the seat frame group and can be folded, the folding degree of the seat in the scheme is further improved, in the process of folding the backrest group, the seat frame group and the armrest can be folded together, and the linked unlocking and folding mode enables the operation to be simpler.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of the present invention in an expanded state;

FIG. 2 is a perspective view of the foldable seat and frame of the present invention shown separated;

FIG. 3 is a perspective view of the present invention in a folded state;

FIG. 4 is a partially exploded view of the foldable seat of the present invention;

FIG. 5 is a partially exploded view of the foldable seat of the present invention;

FIG. 6 is a partial exploded view of the vehicle frame of the present invention;

FIG. 7 is a partial exploded view of the vehicle frame of the present invention;

FIG. 8 is a schematic structural view of the frame of the present invention in an expanded condition;

FIG. 9 is a structural schematic view of the frame of the present invention in a folded condition;

FIG. 10 is a cross-sectional view taken along line A-A of FIG. 8;

FIG. 11 is a partially exploded view of a seating group of the present invention;

FIG. 12 is a partially exploded view of a seating group of the present invention;

fig. 13 is a schematic structural view of the armrest of the present invention.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In a first embodiment, as shown in fig. 1-10, a stroller with foldable frame and linkage unlocking mechanism for seat folding shown in fig. 1 comprises a frame 2 and a foldable seat 1 disposed on the frame 2, wherein the frame 2 comprises a foldable front foot 21, a front foot connector 22 disposed on the foldable front foot 21, a seat adapter 23 hinged to the front foot connector 22 for mounting the foldable seat 1, a foldable rear foot 24 connected to the seat adapter 23, and a frame folding locking assembly for limiting relative rotation between the front foot connector 22 and the seat adapter 23, a frame folding unlocking mechanism for unlocking the frame folding locking assembly is disposed between the frame 2 and the foldable seat 1, when the foldable seat 1 is folded and rotated relative to the seat adapter 23, the frame folding unlocking mechanism can be driven to unlock the frame folding locking assembly, so that the front foot connector 22 can rotate relative to the seat adapter 23, the foldable front leg 21 and the foldable rear leg 24 can be folded by rotation. The foldable seat is installed on the seat adapter, in the process of folding the foldable seat, the foldable seat rotates relative to the seat adapter, and meanwhile, the frame folding unlocking device is driven to unlock the frame folding locking assembly, so that the front foot connecting piece can rotate relative to the seat adapter, the foldable front foot and the foldable rear foot can be rotated and folded, the whole space of the baby carriage after being folded is smaller, the baby carriage is convenient to store, the foldable seat can be unlocked and folded together with the frame in the folding process, and the linkage unlocking and folding mode enables the operation to be simpler. The foldable seat is detachably arranged on the frame, and is simple in mounting and dismounting structure and convenient to operate. In addition, the mounting structure can be arranged in a forward mode and a reverse mode, so that the orientation of the child chair can be freely changed according to the use requirement.

In addition, the frame folding locking assembly includes a frame folding latch member 31, a first frame folding slot 32 disposed on the front foot connector 22 and engaged with the frame folding latch member 31, a second frame folding slot 33 disposed on the seat adapter 23 and engaged with the frame folding latch member 31, and a first elastic element 34 disposed between the frame folding latch member 31 and the seat adapter 23, wherein when the front foot connector 22 is hinged to the seat adapter 23, the frame folding latch member 31 is located between the first frame folding slot 32 and the second frame folding slot 33 to limit the rotation of the front foot connector 22 relative to the seat adapter 23.

Further, the frame folding and unlocking device includes a frame unlocking sliding member 41 disposed on the seat adapter 23 and capable of moving along the radial direction of the seat adapter 23 relative to the frame folding and locking member 31, a first inclined surface 42 disposed on one side of the frame unlocking sliding member 41 close to the seat adapter 23, a second inclined surface 43 disposed on one side of the frame unlocking sliding member 41 close to the frame unlocking sliding member 41 and matched with the first inclined surface 42, a first unlocking protrusion 44 disposed on one end of the frame unlocking sliding member 41, and a second unlocking protrusion 45 disposed on the foldable seat 1 and capable of being matched with the first unlocking protrusion 44, when the foldable seat 1 is folded by rotation, the second unlocking protrusion 45 can be driven to rotate relative to the first unlocking protrusion 44 to abut against the first unlocking protrusion 44 and drive the first unlocking protrusion 44 to move so as to drive the frame unlocking sliding member 41 to slide relative to the frame folding and locking member 31, the frame folding latch member 31 moves downward by pushing the second unlocking protrusion 45 and the first unlocking protrusion 44, that is, the first inclined surface 42 moves downward, and the frame folding latch member 31 is driven by the wedge cooperation of the first inclined surface 42 and the second inclined surface 43 to move away from the first frame folding slot 32 to be separated from the first frame folding slot 32, so that the front foot connecting member 22 can rotate relative to the seat adapter 23.

More specifically, the foldable seat 1 includes a seat frame group 11, and a seat assembly and disassembly assembly 12 and a backrest group 13 respectively disposed at two sides of the seat frame group 11 and hinged to the seat frame group 11, a backrest locking assembly 5 for limiting rotation of the backrest group 13 relative to the seat frame group 11 is disposed at a hinged position of the seat frame group 11 and the backrest group 13, a backrest unlocking device capable of unlocking the backrest locking assembly 5 is disposed on the backrest group 13, a seat frame locking assembly for limiting rotation of the seat frame group 11 relative to the seat assembly and disassembly assembly 12 is disposed between the seat frame group 11 and the seat assembly and disassembly assembly 12, a seat frame unlocking device 8 capable of unlocking the seat frame locking assembly is disposed between the backrest group 13 and the seat frame group 11, after the backrest locking assembly 5 is unlocked, the backrest group 13 can be rotated and folded in a direction of the seat frame group 11, and when the backrest group 13 rotates relative to the seat frame group 11, the seat frame unlocking device 8 can be driven to unlock the seat frame locking assembly, so that the seat frame assembly 11 can rotate and fold relative to the seat assembly and disassembly component 12. When folding up, the back group can be folded to the seat frame group to rotating, and when the back group rotates relative to the seat frame group, can drive seat frame unlocking device with seat frame locking subassembly unblock, makes the seat frame group can rotate relative seat dismouting subassembly and fold up, not only makes bassinet whole space littleer after folding, is convenient for deposit, and at the in-process of folding back group, can make seat frame group together fold in addition, the folding mode of unblock of linkage makes the operation get up simpler, cooperates the form that frame self can be folded in addition for but this scheme furthest's shrink is folded.

Further, the backrest group 13 includes a backrest frame 131 and a backrest frame hinge 132 disposed at a lower end of the backrest frame 131, the seat frame group 11 includes a seat frame 111 and a seat frame hinge 112 disposed at one end of the seat frame 111, two sides of the seat frame hinge 112 are respectively rotatably engaged with the backrest frame hinge 132 and the seat dismounting assembly 12, the backrest locking assembly 5 includes a backrest locking member 51 disposed on the seat frame hinge 112, and a locking bolt 52 disposed on the backrest frame 131 and extending into the seat frame hinge 112 to be engaged with the backrest locking member 51, the backrest unlocking device includes a first unlocking button 61 disposed on the backrest frame 131 to pull the locking bolt 52 to move, and a linkage member disposed between the first unlocking button 61 and the locking bolt 52, the locking bolt 52 can be pulled by the first unlocking button 61 to move away from the backrest locking member 51, the backrest frame 131 can be rotated relative to the seat frame 111 by disengaging the backrest locking piece 51. The interlock spare adopts wire rope can in this scheme. In addition, the backrest frame 131 is fixed relative to the seat frame 111 by the engagement of the latch 52 with the backrest latch 51. After the latch 52 is disengaged, the backrest frame 131 can rotate relative to the seat frame 111.

Still further, the seat frame locking assembly includes a movable element 71 disposed between the back frame hinge 132 and the seat frame hinge 112, a seat frame locking member 72 disposed on a side of the movable element 71 close to the seat frame hinge 112, a first engaging groove 73 disposed on the seat frame hinge 112 corresponding to the seat frame locking member 72 and allowing the seat frame locking member 72 to pass through, a second engaging groove 74 disposed on the seat frame hinge 12 corresponding to the first engaging groove 73 and allowing the seat frame locking member 72 to extend into, and a rotary pushing protrusion 75 disposed on an inner side of the back frame hinge 132, wherein the rotary pushing protrusion 75 pushes the seat frame locking member 72 of the movable element 71 to pass through the first engaging groove 73 and extend into the second engaging groove 74 to limit the seat frame hinge 112 from rotating relative to the seat frame hinge 12.

Specifically, the seat frame unlocking device 8 includes a rotating inclined slot 81 disposed on one side of the movable element 71 close to the backrest frame hinge 132 and engaged with the rotating pushing protrusion 75, and a second elastic element 82 disposed between the movable element 71 and the seat frame hinge 112, when the backrest frame hinge 132 rotates relative to the movable element 71, the rotating pushing protrusion 75 gradually extends into the rotating inclined slot 81 along an inclined plane of the rotating inclined slot 81, and the second elastic element 82 in a compressed state pushes the movable element 71 close to the backrest frame hinge 132, so that the seat frame locking member 72 is far away from the second locking slot 74 until the seat frame locking member is separated from the second locking slot 74, thereby enabling the seat frame 111 to rotate and fold relative to the seat assembly/disassembly assembly 12. More specifically, the first unlocking protrusion 44 is a trapezoidal protrusion with two low sides and a high middle part, and extends out of the seat adapter 23 to form a gap with the seat adapter 23, the second unlocking protrusion 45 is disposed on the peripheral side of the seat frame hinge assembly 112, the seat frame unlocking device 8 unlocks the seat frame locking assembly, so that when the seat frame hinge assembly 112 rotates and folds relative to the seat disassembly and assembly 12, the seat frame hinge assembly 112 rotates relative to the seat adapter 23 until the second unlocking protrusion 45 is in contact with the first unlocking protrusion 44 and drives the first unlocking protrusion 44 to move radially along the seat adapter 23.

Further, the seat set 11 is hinged with a handrail 14, a handrail locking assembly for limiting the rotation of the handrail 14 relative to the seat set 11 is arranged between the seat set 11 and the handrail 14, a handrail unlocking device capable of unlocking the handrail locking assembly is arranged between the seat set 11 and the backrest set 13, and when the backrest set 13 rotates towards the seat set 11 for folding, the handrail unlocking device can be driven to unlock the handrail locking assembly, so that the handrail 14 can rotate relative to the seat set 11 for folding. Still further, the armrest locking assembly includes an armrest locking hole 141 disposed at a peripheral side of a hinge point of the armrest 14 and disposed along a radial direction, the armrest 14 is hinged to the seat frame 111, an armrest locking element 142 is disposed in the seat frame 111, an armrest locking pin 143 extending in a direction close to the armrest locking hole 141 and engaged with the armrest locking hole 141 is disposed on the armrest locking element 142, and when the armrest 14 is hinged to the seat frame 111, the armrest locking pin 143 is inserted into the armrest locking hole 141 to limit the armrest 14 from rotating relative to the seat frame 111. The armrest unlocking device comprises a first sliding groove 144 arranged in the seat frame 111 along the length direction of the seat frame 111, the armrest locking element 142 is movably arranged in the first sliding groove 144, a third unlocking protrusion 145 is arranged on the inner side of the backrest frame hinge member 132, a fourth unlocking protrusion 146 capable of being abutted against the third unlocking protrusion 145 is arranged at one end of the armrest locking element 142 close to the seat frame hinge member 112, a third elastic element 147 is arranged between one end of the armrest locking element 142 far away from the seat frame hinge member 112 and the first sliding groove 144, a first long sliding hole 148 is arranged on the armrest locking element 142, a second long sliding hole 149 through which the armrest clamping pin 143 passes is arranged at the position of the seat frame 111 corresponding to the armrest clamping pin 143, so that when the armrest clamping pin 143 passes through the seat frame 111, the armrest locking element 142 can slide back and forth along the length direction of the seat frame 111, an arc-shaped unlocking hole 150 is arranged at the hinge point of the armrest 14 along the peripheral side, the arc-shaped unlocking hole 150 is communicated with the armrest locking hole 141, when the armrest 14 rotates towards the direction close to the seat frame 111, the armrest bayonet lock 143 can slide along the arc-shaped unlocking hole 150, and when the backrest frame 131 rotates towards the direction close to the seat frame 111, the third unlocking protrusion 145 and the fourth unlocking protrusion 146 are abutted to push the armrest locking element 142 to slide towards the direction away from the seat frame hinge piece 112 and compress the third elastic element 147, so that the armrest bayonet lock 143 moves into the arc-shaped unlocking hole 150 from the armrest locking hole 141, and the armrest 14 can rotate relative to the seat frame 111. The detailed unlocking process comprises the following steps: when the backrest frame 131 rotates towards the seat frame 111, the third unlocking protrusion 145 pushes the fourth unlocking protrusion 146, so that the armrest locking element 142 slides away from the seat frame hinge 112 and compresses the third elastic element 147, and the armrest locking pin 143 on the third elastic element 147 moves from the armrest locking hole 141 to the arc-shaped unlocking hole 150, so that the armrest locking pin 143 slides along the arc-shaped unlocking hole 150 when the armrest rotates towards the seat frame 111.

In particular, said frame 2 further comprises a wheel group 25; the foldable front foot 21 comprises an upper front foot 211 and a lower front foot 212 which are hinged, and one end of the lower front foot 212 far away from the upper front foot 211 is hinged with the wheel set 25; the foldable rear leg 24 comprises an upper rear leg 241 and a lower rear leg 242 which are hinged with each other, and one end of the lower rear leg 242, which is far away from the upper rear leg 241, is hinged with the wheel set 25; the front foot connector 22 is arranged on the upper front foot 211, the seat adapter 23 is arranged on the upper rear foot 241, and when the front foot connector 22 rotates relative to the seat adapter 23, the upper front foot 211 can rotate relative to the lower front foot 212, the lower front foot 212 rotates relative to the wheel set 25, the upper rear foot 241 rotates relative to the lower rear foot 242, and the lower rear foot 242 rotates relative to the wheel set 25, so that the frame 2 can be folded; the frame 2 further comprises a handlebar set 26 movably connected with the upper front foot 211, wherein the handlebar set 26 comprises a handlebar 261 and a release mechanism 262 arranged on the handlebar 261 and used for locking or unlocking the handlebar 261 to slide relative to the upper front foot 211.

The detailed unlocking process of the scheme comprises the following steps: firstly, the handle 261 is slid relative to the upper front leg 211 through the lock release mechanism 262, so as to fold the handle 261; then, the first unlocking button 61 is opened to pull the locking bolt 52 to move towards the direction far away from the backrest locking piece 51, so that the locking bolt is separated from the backrest locking piece 51, and the backrest frame 131 can rotate relative to the seat frame 111; when the backrest frame 131 rotates towards the direction close to the seat frame 111, the rotary pushing projection 75 gradually extends into the rotary chute 81 along the inclined plane of the rotary chute 81, and the second elastic element 82 pushes the movable element 71 close to the backrest frame hinge 132, so that the seat frame locking piece 72 is far away until being separated from the second locking groove 74, and the seat frame 111 can rotate and fold relative to the seat assembly and disassembly assembly 12; and then the seat frame 111 rotates relative to the seat adapter 23 until the second unlocking protrusion 45 abuts against the first unlocking protrusion 44 and drives the first unlocking protrusion 44 to move along the radial direction of the seat adapter 23, the first unlocking protrusion 44 moves along the radial direction of the seat adapter 23 to move the first inclined surface 42, and then the wedge cooperation of the first inclined surface 42 and the second inclined surface 43 drives the frame folding latch member 31 to move away from the first frame folding slot 32 to disengage from the first frame folding slot 32, so that the front foot connector 22 can rotate relative to the seat adapter 23, and the seat folding linkage unlocking frame folding is realized.

In a second embodiment, the frame folding unlocking device includes an unlocking installation slot 46 disposed on a side of the front foot connector 22 away from the frame folding latch 31, a second unlocking button 47 movably disposed in the unlocking installation slot 46, and a movable latch 48 and a movable unlocking boss 49 disposed on a side of the second unlocking button 47 close to the front foot connector 22, wherein one end of the movable latch 48 penetrates through the front foot connector 22 to limit the second unlocking button 47 to move in a direction away from the front foot connector 22, one end of the movable unlocking boss 49 penetrates through the front foot connector 22 and can be abutted against the frame folding latch 31, the second unlocking button 47 can push the movable latch 48 and the movable unlocking boss 49 to move in a direction close to the frame folding latch 31 to push the frame folding latch 31 to disengage from the first frame folding latch 32, and simultaneously compress the first elastic element 34, the front foot link 22 can be rotated relative to the seat adapter 23. When the foldable seat is not installed, the second unlocking button 47 is pressed to push the movable unlocking boss 49, the movable unlocking boss 49 abuts against the frame folding latch member 31 and pushes the frame folding latch member 31 to be separated from the first frame folding slot 32 along with the pressing, so that the front foot connector 22 can rotate relative to the seat adapter 23, the frame 2 is unlocked and folded by one key, and the folding operation is convenient.

The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.

Claims (10)

1. The folding baby carriage with the seat folding linkage unlocking frame is characterized by comprising a frame (2) and a foldable seat (1) arranged on the frame (2), wherein a frame folding locking assembly used for locking the frame (2) is arranged on the frame (2), a frame folding unlocking device capable of unlocking the frame folding locking assembly is arranged between the frame (2) and the foldable seat (1), and when the foldable seat (1) rotates and is folded relative to the frame (2), the frame folding unlocking device can be driven to unlock the frame folding locking assembly, so that the frame (2) can be folded.

2. The stroller with foldable frame and linkage unlocking function according to claim 1, wherein the frame (2) comprises a foldable front leg (21), a front leg connector (22) disposed on the foldable front leg (21), a seat adapter (23) hinged to the front leg connector (22) for mounting the foldable seat (1), and a foldable rear leg (24) connected to the seat adapter (23), the foldable locking assembly comprises a foldable latch member (31) of the frame, a first foldable slot (32) of the frame disposed on the front leg connector (22) and engaged with the foldable latch member (31) of the frame, a second foldable slot (33) of the frame disposed on the seat adapter (23) and engaged with the foldable latch member (31) of the frame, and a first elastic member (34) disposed between the foldable latch member (31) of the frame and the seat adapter (23), when the front foot connector (22) is hinged with the seat adapter (23), the frame folding locking piece (31) is positioned between the first frame folding clamping groove (32) and the second frame folding clamping groove (33) to limit the rotation of the front foot connector (22) relative to the seat adapter (23).

3. The stroller with foldable seat according to claim 2, wherein the frame folding unlocking device comprises a frame unlocking sliding member (41) disposed on the seat adapter (23) and capable of moving along the radial direction of the seat adapter (23) relative to the frame folding latch member (31), a first inclined surface (42) disposed on one side of the frame unlocking sliding member (41) close to the seat adapter (23), a second inclined surface (43) disposed on one side of the frame unlocking sliding member (41) close to the frame unlocking sliding member (41) and engaged with the first inclined surface (42), a first unlocking protrusion (44) disposed on one end of the frame unlocking sliding member (41), and a second unlocking protrusion (45) disposed on the foldable seat (1) and engaged with the first unlocking protrusion (44), when the foldable seat (1) is folded by rotation, the second unlocking bump (45) can be driven to rotate relative to the first unlocking bump (44) to be abutted against the first unlocking bump (44) and push the first unlocking bump (44) to move so as to drive the frame unlocking sliding piece (41) to slide relative to the frame folding clamping and locking piece (31), and the frame folding clamping and locking piece (31) is driven to move away from the first frame folding clamping groove (32) to be separated from the first frame folding clamping groove (32) through the cooperation of the wedges on the first inclined surface (42) and the second inclined surface (43), so that the front foot connecting piece (22) can rotate relative to the seat adapter (23).

4. The stroller with the foldable seat folding linkage unlocking frame according to claim 3, wherein the foldable seat (1) comprises a seat frame group (11), and a seat dismounting assembly (12) and a backrest group (13) which are respectively arranged at two sides of the seat frame group (11) and hinged with the seat frame group (11), a backrest locking assembly (5) for limiting the backrest group (13) to rotate relative to the seat frame group (11) is arranged at the hinged position of the seat frame group (11) and the backrest group (13), a backrest unlocking device capable of unlocking the backrest locking assembly (5) is arranged on the backrest group (13), a seat frame locking assembly for limiting the seat frame group (11) to rotate relative to the seat dismounting assembly (12) is arranged between the seat frame group (11) and the seat dismounting assembly (12), a seat frame unlocking device (8) capable of unlocking the seat frame locking assembly is arranged between the backrest group (13) and the seat frame group (11), after the backrest locking assembly (5) is unlocked, the backrest group (13) can rotate towards the seat frame group (11) to be folded, and when the backrest group (13) rotates relative to the seat frame group (11), the seat frame unlocking device (8) can be driven to unlock the seat frame locking assembly, so that the seat frame group (11) can rotate relative to the seat dismounting assembly (12) to be folded.

5. The stroller with a foldable seat folding linkage unlocking frame as claimed in claim 4, wherein the backrest group (13) comprises a backrest frame (131) and a backrest frame hinge part (132) arranged at the lower end of the backrest frame (131), the seat frame group (11) comprises a seat frame (111) and a seat frame hinge part (112) arranged at one end of the seat frame (111), two sides of the seat frame hinge part (112) are respectively in rotating fit with the backrest frame hinge part (132) and the seat dismounting and mounting component (12), the backrest locking component (5) comprises a backrest locking piece (51) arranged on the seat frame hinge part (112) and a locking bolt (52) arranged on the backrest frame (131) and extending into the seat frame hinge part (112) to be matched with the backrest locking piece (51), and the backrest unlocking device comprises a first unlocking button (61) arranged on the backrest frame (131) and capable of pulling the locking bolt (52) to move, And the linkage piece is arranged between the first unlocking button (61) and the locking bolt (52), and the locking bolt (52) can be pulled to move towards the direction far away from the backrest locking piece (51) through the first unlocking button (61) so as to be separated from the backrest locking piece (51) and enable the backrest frame (131) to rotate relative to the seat frame (111).

6. The stroller of claim 5, wherein the seat frame locking assembly comprises a movable element (71) disposed between the backrest hinge member (132) and the seat frame hinge member (112), a seat frame locking member (72) disposed on a side of the movable element (71) close to the seat frame hinge member (112), a first engaging groove (73) disposed on the seat frame hinge member (112) corresponding to the seat frame locking member (72) and allowing the seat frame locking member (72) to pass therethrough, a second engaging groove (74) disposed on the seat assembly/disassembly assembly (12) corresponding to the first engaging groove (73) and allowing the seat frame locking member (72) to extend therethrough, and a rotary pushing projection (75) disposed on an inner side of the backrest hinge member (132), the rotary pushing projection (75) pushing the movable element (71) to push the seat frame locking member (72) to pass through the first engaging groove (73) and to extend into the second engaging groove (74), to limit rotation of the seat frame hinge (112) relative to the seat assembly (12).

7. The stroller of claim 6, wherein the seat is foldable and the linkage unlocks the frame, the seat frame unlocking device (8) comprises a rotating inclined groove (81) which is arranged on one side of the movable element (71) close to the backrest frame hinge joint (132) and is matched with the rotating ejection lug (75), and a second elastic element (82) which is arranged between the movable element (71) and the seat frame hinge joint (112), when the backrest frame hinge (132) rotates relative to the movable element (71), the rotary pushing lug (75) gradually extends into the rotary inclined groove (81) along the inclined surface of the rotary inclined groove (81), and the second elastic element (82) pushes the movable element (71) close to the backrest frame hinge member (132), so that the seat frame locking piece (72) is far away until the seat frame locking piece is separated from the second locking groove (74), the seat frame (111) can be rotated and folded relative to the seat assembly and disassembly component (12).

8. The stroller with a foldable linked unlocking frame according to claim 7, wherein the first unlocking protrusion (44) is a trapezoidal protrusion with two lower sides and a middle height, and extends out of the seat adapter (23) to form a gap with the seat adapter (23), the second unlocking protrusion (45) is disposed around the seat frame hinge member (112), the seat frame unlocking device (8) unlocks the seat frame locking assembly, so that when the seat frame hinge member (112) is rotated and folded relative to the seat assembly/disassembly assembly (12), the seat frame hinge member (112) rotates relative to the seat adapter (23) until the second unlocking protrusion (45) abuts against the first unlocking protrusion (44) and drives the first unlocking protrusion (44) to move radially along the seat adapter (23).

9. The stroller with a foldable seat frame linked to unlock the frame according to claim 4, wherein the seat frame assembly (11) is hinged with an armrest (14), an armrest locking assembly for limiting the rotation of the armrest (14) relative to the seat frame assembly (11) is disposed between the seat frame assembly (11) and the armrest (14), an armrest unlocking device for unlocking the armrest locking assembly is disposed between the seat frame assembly (11) and the backrest assembly (13), and when the backrest assembly (13) is rotated toward the seat frame assembly (11) for folding, the armrest unlocking device can be driven to unlock the armrest locking assembly, so that the armrest (14) can be rotated relative to the seat frame assembly (11) for folding.

10. The stroller with foldable seat linked unlocking frame according to claim 2, wherein the stroller frame folding unlocking device comprises an unlocking installation slot (46) disposed on one side of the front foot connector (22) far away from the stroller frame folding latch (31), a second unlocking button (47) movably disposed in the unlocking installation slot (46), and a movable latch (48) and a movable unlocking boss (49) disposed on one side of the second unlocking button (47) near the front foot connector (22), wherein one end of the movable latch (48) penetrates through the front foot connector (22) for limiting the second unlocking button (47) to move in the direction far away from the front foot connector (22), one end of the movable unlocking boss (49) penetrates through the front foot connector (22) and can be abutted against the stroller frame folding latch (31), and the second unlocking button (47) can push the movable latch (48) and the movable unlocking boss (49) to move in the direction near the stroller frame folding latch (31) The front foot connector (22) can rotate relative to the seat adapter (23) by moving to push the frame folding latch piece (31) to be separated from the first frame folding latch groove (32) and simultaneously compressing the first elastic element (34).

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