CN212447751U

CN212447751U - Baby carriage frame convenient to fold

Info

Publication number: CN212447751U
Application number: CN202020831135.3U
Authority: CN
Inventors: 徐江林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-02
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a bassinet frame convenient to it is folding, include: the lower end of the front foot group is connected with a front wheel, and a first joint is arranged on the front foot group; the lower end of the handle group is connected with the first joint; the lower end of the rear foot group is connected with a rear wheel, and the upper end of the rear foot group is connected with the first joint; the seat frame set comprises a front seat frame set and a rear seat frame set, wherein the front seat frame set is hinged to the front foot set, the rear seat frame set is hinged to the rear foot set, a transmission rod is rotatably connected to the rear foot set, a sliding piece is connected to the rear seat frame set, the lower end of the transmission rod is rotatably connected with the sliding piece, and a first connecting rod which is rotatably connected with the transmission rod and the handle set is arranged between the upper end of the transmission rod and the handle set. The utility model discloses simple structure, when receiving the car, the hand (hold) group is drawn close to folding up to back foot group direction because the action of gravity, and first connecting rod drives the transfer line and slides on back seat frame group for back seat frame group turns over with front seat frame group and turns over to roll over and draw close, thereby makes and close up to the back foot group direction with front seat frame group articulated preceding foot group, can realize receiving the car.

Description

Baby carriage frame convenient to fold

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the bassinet and specifically relates to a bassinet frame convenient to it is folding to relate to.

[ background of the invention ]

Strollers have become an indispensable product in the growth process of infants. The frame of the baby carriage in the market can be folded generally, and the folded baby carriage is convenient to carry, so that the burden of carrying children when people go out is greatly reduced. Although the baby carriages on the market can be folded or unfolded generally, the folding structure of the existing baby carriage is complex, the parts are various, so that the folding or unfolding steps of the baby carriage are very complicated, and the baby carriage is very inconvenient to use.

The utility model discloses it is based on above problem produces.

[ Utility model ] content

The utility model aims at prior art not enough, provide a bassinet frame convenient to it is folding, when taking in, hand (hold) group turns over a book downwards, and first connecting rod drives the preceding seat frame group of transfer line drive and turns over a book with the back seat frame group and close up, makes preceding foot group and close up to back foot group direction, realizes taking in.

In order to solve the technical problem, the utility model provides a following technical scheme:

a stroller frame for facilitating folding, movable from an unfolded position to a folded position, comprising:

the lower end of the front foot group is connected with a front wheel, and a first joint is arranged on the front foot group;

the lower end of the handle group is connected with the first joint;

the lower end of the rear foot group is connected with a rear wheel, and the upper end of the rear foot group is connected with a first joint;

the seat frame set comprises a front seat frame set and a rear seat frame set, wherein the front seat frame set is hinged to the front foot set, the rear seat frame set is hinged to the rear foot set, a transmission rod is connected to the rear foot set in a rotating mode, a sliding piece capable of sliding relative to the rear seat frame set is connected to the rear seat frame set, the lower end of the transmission rod is connected with the sliding piece in a rotating mode, and a first connecting rod connected with the transmission rod in a rotating mode is arranged between the upper end of the transmission rod and the handle set.

The stroller frame convenient to fold is characterized in that the hinged position of the transmission rod and the rear foot group is positioned above the hinged position of the rear seat frame group and the rear foot group.

The stroller frame convenient to fold is characterized in that the front seat frame group is provided with a pivot capable of being connected with the rear seat frame group, the pivot is provided with a torsion spring respectively abutted against the front seat frame group and the rear seat frame group, and a limiting component capable of limiting the rotation of the stroller frame when the stroller frame is unfolded is further arranged between the front seat frame group and the rear seat frame group.

The stroller frame convenient to fold is characterized in that the limiting component comprises an inclined block arranged on the front seat frame group, and the limiting component also comprises a limiting block which is arranged on the rear seat frame group and can be abutted against the inclined block.

The stroller frame convenient to fold is characterized in that the first joint is provided with a joint lock mechanism for locking the first joint, and the handle group is provided with a switch mechanism capable of unlocking the joint lock mechanism.

The stroller frame convenient to fold is characterized in that the first joint comprises a front foot pivoting seat connected to the front foot group, a handle pivoting seat connected to the handle group and a rear foot pivoting seat connected to the rear foot group, the handle pivoting seat is positioned between the front foot pivoting seat and the rear foot pivoting seat, a first cavity is defined between the front foot pivoting seat and the handle pivoting seat, the joint lock mechanism comprises a first spline which is arranged in the first cavity and can move transversely, a first key groove and a second key groove which can be clamped with the first spline are respectively arranged on the front foot pivoting seat and the handle pivoting seat, a first return spring which can simultaneously clamp the first spline with the first key groove and the second key groove when the frame main body is in an unfolded state is arranged between the first spline and the handle pivoting seat, and a second cavity is defined between the rear foot pivoting seat and the handle pivoting seat, joint lock mechanism still including setting up in the second cavity and can lateral motion's second spline, back foot pin joint seat and hand (hold) pin joint seat on be provided with respectively and can with third keyway and the fourth keyway of second spline block, second spline and back foot pin joint seat between be provided with the second reset spring that can make second spline and third keyway and fourth keyway block simultaneously when the frame main part is in the expansion state, hand (hold) pin joint seat in be provided with and rotate the piece, rotate and to drive when rotating that first spline breaks away from first keyway, second spline breaks away from fourth keyway in order to unblock, switching mechanism pass through the wire drawing with rotate the piece and connect in order to drive rotate the piece rotates.

The stroller frame convenient to fold is characterized in that one side of the rotating part facing the first spline is provided with a pushing inclined surface, the first spline is provided with a first spline chute, and the pushing inclined surface is abutted against the first spline chute and can drive the first spline to withdraw from the first key groove when the rotating part rotates; the handle pin joint seat on and be located and be provided with a baffle between second keyway and the fourth keyway, be provided with the through-hole on the baffle, one side of first spline be provided with can pass the through-hole and with the ejector pin of second spline butt, first spline when withdrawing from first keyway, the ejector pin with second spline follow fourth keyway ejecting and make the second spline all get into in the third keyway.

The stroller frame convenient to fold is characterized in that the handle group comprises a hollow U-shaped rod, the switch mechanism comprises a key arranged on the U-shaped rod, and the drawn wire is connected between the key and the rotating piece so that the rotating piece can be driven to rotate through the drawn wire when the key is pressed down.

The stroller frame convenient to fold is characterized in that the front leg set is rotatably connected with the armrest set, and a second connecting rod capable of being rotatably connected with the armrest set and the front seat frame set is arranged between the armrest set and the front seat frame set.

Compared with the prior art, the utility model discloses a bassinet frame convenient to it is folding has following beneficial effect:

1. the utility model has the advantages of simple integral structure, when folding up, the hand (hold) group is drawn close to folding up to back foot group direction because the action of gravity, and first connecting rod drives the transfer line and slides on back seat frame group for back seat frame group turns over with front seat frame group and turns over to roll over and draw close, thereby makes and packs articulated preceding foot group with front seat frame and draws close to folding up to back foot group direction, can realize folding up, and the bassinet frame after folding up the completion can keep upright state, and is convenient for portable.

2. The utility model discloses a be provided with the torsional spring between front seat frame group and the back seat frame group, when the bassinet frame is folding, the torsional spring makes back seat frame group and front seat frame group turn over to roll over and draw close, and then drives and draw close to the direction of back foot group with front seat frame group articulated preceding foot group, realizes automatic receipts car.

3. The utility model discloses a second joint comprises first pin joint seat and second pin joint seat, wherein first pin joint seat and second pin joint seat rotate to be connected and be provided with between the two and can drive both to turn over the elastic component that rolls over, be provided with on the second pin joint seat and supply the slider gliding guide rail above that, the slider is articulated mutually with the one end of back seat frame group, when hand (hold) group turns over the book downwards, back seat frame group drives the slider and slides on second pin joint seat, meanwhile first pin joint seat and second pin joint seat turn over a book relatively, the action principle is simple, compact structure.

[ 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 one of the perspective views of the present invention when it is unfolded;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a second perspective view of the present invention when it is unfolded;

FIG. 4 is a cross-sectional view of the present invention as it is deployed;

fig. 5 is a cross-sectional view of the utility model during the folding process;

fig. 6 is a cross-sectional view of the present invention in a folded state;

FIG. 7 is a view showing the structure of the rear seat frame assembly of the present invention after being disassembled;

FIG. 8 is one of the exploded views of the first joint;

fig. 9 is a second exploded view of the first joint.

[ detailed description ] embodiments

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 9, in the present embodiment, a stroller frame for facilitating folding, which is movable from an unfolded position to a folded position, includes:

the lower end of the front foot group 1 is connected with a front wheel 101, and a first joint 5 is arranged on the front foot group 1;

the lower end of the handle group 3 is connected with a first joint 5;

the lower end of the rear foot group 2 is connected with a rear wheel 201, and the upper end of the rear foot group 2 is connected with a first joint 5;

seat group 4, including with preceding foot group 1 articulated preceding seat group 41 and with back foot group 2 articulated back seat frame group 42, back foot group 2 on rotate and be connected with transfer line 43, back seat group 42 on be connected with its gliding slider 421 relatively, transfer line 43 lower extreme rotate with slider 421 and be connected, transfer line 43 upper end and hand (hold) group 3 between be equipped with the two first connecting rod 6 of rotating and being connected. When the frame of the baby carriage is folded, the first connecting rod 6 drives the transmission rod 43 to slide on the rear seat frame group 42, so that the joint of the rear seat frame group 42 and the front seat frame group 41 is drawn close to the first joint 5 to be folded, and then the front foot group connected with the front seat frame group is driven to draw close to the rear foot group to realize folding.

As shown in fig. 1 to 9, in the present embodiment, the joint of the transmission rod 43 and the rear foot set 2 is located above the joint of the rear seat frame set 42 and the rear foot set 2. When the transmission rod 43 rotates clockwise along the rear leg assembly 2, because one end of the rear leg assembly is rotationally connected with the rear leg assembly 2, the lower end of the transmission rod 43 drives the sliding piece 421 to slide on the rear leg assembly 42, and simultaneously, the rear leg assembly 42 rotates clockwise along the hinge point of the rear leg assembly and the rear leg assembly 2, so that the rear leg assembly 42 is folded with the front leg assembly 41, and further, the front leg assembly can be driven to be drawn close to the rear leg assembly to fold the vehicle.

As shown in fig. 1 to 9, in the present embodiment, the front seat frame group 41 is provided with a pivot 411 capable of being connected to the rear seat frame group 42, the pivot 411 is provided with a torsion spring 7 respectively abutting against the front seat frame group 41 and the rear seat frame group 42, and a stopper 44 capable of restricting rotation of the front seat frame group 41 and the rear seat frame group 42 when the stroller frame is unfolded is further provided between the two.

As shown in fig. 1 to 9, in this embodiment, the limiting assembly 44 includes an inclined block 441 disposed on the front seat assembly 41, and the limiting assembly 44 further includes a limiting block 442 disposed on the rear seat assembly 42 and capable of abutting against the inclined block 441. When the frame of the baby carriage is completely unfolded, the inclined block 441 on the front seat frame group 41 abuts against the limiting block 442 of the rear seat frame group 42, so that the folding of the front seat frame group 41 and the rear seat frame group 42 can be limited, and the frame structure is stable.

As shown in fig. 1 to 9, in the present embodiment, the first joint 5 is provided with a joint lock mechanism for locking the first joint 5, and the handle set 3 is provided with a switch mechanism for unlocking the joint lock mechanism.

The utility model discloses a folding up process is as shown in fig. 4 to fig. 6, at first through the unblock of on-off mechanism drive joint latch mechanism, then, the hand (hold) group 3 turns over the book clockwise downwards under the effect of gravity, rotate clockwise through first connecting rod 6 drive transfer line 43, and simultaneously, under torsional spring 7's spring action, front seat frame group 41 and back seat frame group 42 turn over a book relatively and draw close, and the one end that the slider was connected to transfer line 43 slides on back seat frame group 42, and the lower extreme rebound of drive transfer line 43 draws close with first joint 5, and preceding foot of preceding seat frame group of drive and front seat frame group link draws close to the foot group direction backward, can realize the utility model discloses a fold up, the utility model discloses an overall structure is simple compact, behind on-off mechanism unblock joint latch mechanism, the utility model discloses a bassinet frame can fold up.

As shown in fig. 1 to 9, in this embodiment, the first joint 5 includes a front foot pivot seat 51 connected to the front foot set 1, a handle pivot seat 52 connected to the handle set 3, and a rear foot pivot seat 53 connected to the rear foot set 2, the handle pivot seat 52 is located between the front foot pivot seat 51 and the rear foot pivot seat 53, a first cavity is defined between the front foot pivot seat 51 and the handle pivot seat 52, the joint lock mechanism includes a first spline 54 disposed in the first cavity and capable of moving laterally, the front foot pivot seat 51 and the handle pivot seat 52 are respectively provided with a first key slot 511 and a second key slot 521 capable of engaging with the first spline 54, a first return spring 57 is disposed between the first spline 54 and the handle pivot seat 52 and capable of engaging with the first spline 54 and the second spline slot 511 simultaneously when the frame is in the unfolded state, a second cavity is defined between the rear foot pivoting seat 53 and the handle pivoting seat 52, the joint lock mechanism further comprises a second spline 55 which is arranged in the second cavity and can move transversely, the rear foot pivot joint seat 53 and the handle pivot joint seat 52 are respectively provided with a third key groove 531 and a fourth key groove 522 which can be clamped with the second spline 55, a second return spring 58 which can simultaneously clamp the second spline 55 with the third spline 531 and the fourth spline 522 when the frame is in an unfolded state is arranged between the second spline 55 and the rear foot pivot seat 53, the rotating member 56 is disposed in the handle pivot seat 52, and when the rotating member 56 rotates, the first spline 54 can be driven to disengage from the first key groove 511, the second spline 55 can be driven to disengage from the fourth key groove 522 for unlocking, the switch mechanism is connected with the rotating part 56 through a wire drawing 8 to drive the rotating part 56 to rotate. By arranging the first spline and the second spline, the front foot pivot seat 51, the handle pivot seat 52 and the rear foot pivot seat 53 can be effectively locked.

As shown in fig. 1 to 9, in the present embodiment, a pushing inclined surface 561 is provided on one side of the rotating member 56 facing the first spline 54, a first spline inclined groove 541 is provided on the first spline 54, and the pushing inclined surface 561 abuts against the first spline inclined groove 541 and can drive the first spline 54 to withdraw from the first key groove 511 when the rotating member 56 rotates; a partition plate is arranged on the handle pivot seat 52 and between the second keyway 521 and the fourth keyway 522, a through hole 523 is arranged on the partition plate, an ejector rod 542 which can penetrate through the through hole 523 and is abutted to the second spline 55 is arranged on one side of the first spline 54, and when the first spline 54 exits from the first keyway 511, the ejector rod 542 ejects the second spline 55 from the fourth keyway 522 and enables the second spline 55 to completely enter the third keyway 531. The first spline 54 is pushed to move axially by the pushing inclined plane 561 on the rotating member 56, and the second spline 55 is driven to move axially by the pushing rod 542 on the first spline 54, so that the unlocking synchronism of the first spline 54 and the second spline 55 is ensured, and the overall structure of the first joint 5 is very compact and the action is reliable.

As shown in fig. 1 to 9, in the present embodiment, the handle set 3 includes a hollow U-shaped rod, the switch mechanism includes a button 31 disposed on the U-shaped rod, and the pull wire 8 is connected between the button 31 and the rotating member 56 so that the rotating member 56 can be driven to rotate by the pull wire 8 when the button 31 is pressed.

As shown in fig. 1 to 9, in the present embodiment, an armrest set 10 is disposed on the front leg set 1, and a second link 9 capable of rotatably connecting the lower end of the armrest set 10 and the front seat frame set 41 is disposed therebetween; in fig. 5 and 6, since the second connecting rod 9 capable of being rotatably connected to the lower end of the armrest set 10 and the front seat frame set 41 is disposed between the lower end of the armrest set 10 and the front seat frame set 41, when the front seat frame set 41 and the rear seat frame set 42 are folded, because the armrest set 10 is hinged to the front foot set 1, and when the second connecting rod 9 drives the lower end of the armrest set 10 to rotate counterclockwise, the other end of the armrest set is folded toward the front foot set 1, so as to achieve folding.

Claims

1. A stroller frame for facilitating folding, movable from an unfolded position to a folded position, comprising:

the lower end of the front foot group (1) is connected with a front wheel (101), and a first joint (5) is arranged on the front foot group (1);

the lower end of the handle group (3) is connected with a first joint (5);

the lower end of the rear foot group (2) is connected with a rear wheel (201), and the upper end of the rear foot group (2) is connected with a first joint (5);

seat group (4), including with preceding foot group (1) articulated preceding seat group (41) and with back foot group (2) articulated back seat group (42), back foot group (2) on rotate and be connected with transfer line (43), back seat group (42) on be connected with its gliding slider (421) relatively, transfer line (43) lower extreme rotate with slider (421) to be connected, transfer line (43) upper end and hand (hold) group (3) between be equipped with the two rotate first connecting rod (6) of being connected.

2. A stroller frame for facilitating folding according to claim 1, wherein the articulation of the driving lever (43) with the rear leg group (2) is located above the articulation of the rear seat frame group (42) with the rear leg group (2).

3. A stroller frame convenient to fold as claimed in claim 1, wherein the front seat frame group (41) is provided with a pivot (411) capable of being connected with the rear seat frame group (42), the pivot (411) is provided with a torsion spring (7) respectively abutted against the front seat frame group (41) and the rear seat frame group (42), and a limit component (44) capable of limiting the rotation of the stroller frame when the stroller frame is unfolded is further arranged between the front seat frame group (41) and the rear seat frame group (42).

4. A stroller frame convenient for folding according to claim 3, wherein said limit component (44) comprises an inclined block (441) disposed on the front seat assembly (41), and said limit component (44) further comprises a limit block (442) disposed on the rear seat assembly (42) and capable of abutting against the inclined block (441).

5. A stroller frame convenient to fold according to claim 1, wherein the first joint (5) is provided with a joint lock mechanism for locking the first joint (5), and the handle set (3) is provided with a switch mechanism for unlocking the joint lock mechanism.

6. The stroller frame convenient to fold as claimed in claim 5, wherein the first joint (5) comprises a front leg pivot seat (51) connected to the front leg assembly (1), a handle pivot seat (52) connected to the handle assembly (3), and a rear leg pivot seat (53) connected to the rear leg assembly (2), the handle pivot seat (52) is located between the front leg pivot seat (51) and the rear leg pivot seat (53), a first cavity is defined between the front leg pivot seat (51) and the handle pivot seat (52), the joint lock mechanism comprises a first spline (54) which is arranged in the first cavity and can move transversely, the front leg pivot seat (51) and the handle pivot seat (52) are respectively provided with a first key slot (511) and a second key slot (521) which can be engaged with the first spline (54), and a first key slot (54) and a second key slot (521) are arranged between the first spline (54) and the handle pivot seat (52) when the stroller frame is in the unfolded state The joint lock mechanism comprises a first reset spring (57) capable of enabling a first spline (54) to be simultaneously clamped with a first key groove (511) and a second key groove (521), a second cavity is defined between a rear foot pivot joint seat (53) and a handle pivot joint seat (52), the joint lock mechanism further comprises a second spline (55) which is arranged in the second cavity and can move transversely, a third key groove (531) and a fourth key groove (522) which can be clamped with the second spline (55) are respectively arranged on the rear foot pivot joint seat (53) and the handle pivot joint seat (52), a second reset spring (58) capable of enabling the second spline (55) to be simultaneously clamped with the third key groove (531) and the fourth key groove (522) when the frame is in an unfolded state is arranged between the second spline (55) and the rear foot pivot joint seat (53), a rotating piece (56) is arranged in the handle pivot joint seat (52), and the rotating piece (56) can drive the first spline (54) to be separated from the first key groove (511) and the fourth key groove (522) when the rotating piece (56) rotates, The second spline (55) is separated from the fourth key groove (522) to unlock, and the switch mechanism is connected with the rotating piece (56) through a drawn wire (8) to drive the rotating piece (56) to rotate.

7. A stroller frame for facilitating folding according to claim 6, wherein the side of the rotating member (56) facing the first spline (54) is provided with a pushing inclined surface (561), the first spline (54) is provided with a first spline inclined groove (541), the pushing inclined surface (561) abuts against the first spline inclined groove (541) and drives the first spline (54) to withdraw from the first key groove (511) when the rotating member (56) rotates; a partition plate is arranged on the handle pivot base (52) and between the second key groove (521) and the fourth key groove (522), a through hole (523) is formed in the partition plate, an ejector rod (542) which can penetrate through the through hole (523) and is abutted to the second key groove (55) is arranged on one side of the first spline (54), and when the first spline (54) is withdrawn from the first key groove (511), the ejector rod (542) ejects the second spline (55) from the fourth key groove (522) and enables the second spline (55) to completely enter the third key groove (531).

8. A stroller frame for facilitating folding according to claim 6, wherein said handle set (3) comprises a hollow U-shaped bar, said switch mechanism comprises a button (31) disposed on said U-shaped bar, and said pull string (8) is connected between said button (31) and said rotary member (56) so that said rotary member (56) can be driven to rotate by said pull string (8) when said button (31) is depressed.

9. A stroller frame convenient to fold according to claim 1, characterized in that the front leg group (1) is rotatably connected with a handrail group (10), and a second connecting rod (9) capable of being rotatably connected with the handrail group (10) and the front seat group (41) is arranged between the handrail group (10) and the front seat group.