CN211139435U

CN211139435U - Baby carriage frame convenient to fold

Info

Publication number: CN211139435U
Application number: CN201921684028.6U
Authority: CN
Inventors: 徐江林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-31
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a bassinet frame convenient to it is folding, it includes the frame main part, the frame main part includes front leg group, back leg group and hand (hold) group, front leg group, back leg group and hand (hold) group are in the same place through first joint connection, first joint is provided with the joint latch mechanism with first joint locking, hand (hold) group is provided with the on-off mechanism that can be with joint latch mechanism unblock, be provided with seat group between front leg group and the back leg group, seat group include with preceding seat frame group of preceding foot group link and with the back seat frame group of back leg group link, the rear portion of front seat frame group, the front portion of back seat frame group is in the same place through second joint hinge, be connected with the elastic component that can drive the two and draw close together between front seat frame group and the back seat frame group, hand (hold) group is through a link mechanism and back seat frame group link. The utility model has the advantages of simple and compact integral structure, through switching mechanism with joint lock mechanism unblock back, the utility model discloses can fold up automatically.

Description

Baby carriage frame convenient to fold

Technical Field

The utility model relates to a bassinet especially relates to a bassinet frame convenient to it is folding.

Background

The baby carriage is an indispensable article for the growth process of babies. 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.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple structure, the convenient folding bassinet frame.

The utility model discloses a solve its technical problem and the technical scheme who adopts is:

a baby carriage frame convenient to fold comprises a carriage body, wherein the carriage body comprises a front foot set, a rear foot set and a handle set, the front foot set, the rear foot set and the handle set are connected together through a first joint, the first joint is provided with a joint lock mechanism for locking the first joint, the handle set is provided with a switch mechanism, the switch mechanism is connected with the joint lock mechanism through a wire drawing to enable the switch mechanism to drive the joint lock mechanism to unlock, a seat frame set is arranged between the front foot set and the rear foot set, the seat frame set comprises a front seat frame set connected with the front foot set and a rear seat frame set connected with the rear foot set, the rear part of the front seat frame set and the front part of the rear seat frame set are hinged together through a second joint, and an elastic piece capable of driving the front seat frame set and the rear seat frame set to simultaneously turn downwards and close for the second joint is arranged between the front seat frame set and the rear seat frame set, the handle group is connected with the rear seat frame group through a connecting rod mechanism, so that the handle group can drive the front seat frame group and the rear seat frame group to be folded and closed together with the elastic piece when being folded downwards.

Preferably, the rear seat frame set is hinged with the rear foot set, and the link mechanism comprises a first link connecting the rear part of the rear seat frame set and the handlebar set.

Preferably, the second joint comprises a first pivot seat connected to the rear end of the front seat assembly and a second pivot seat connected to the front end of the rear seat assembly, the first pivot seat is provided with a pivot pin-jointed with the second pivot seat, and the elastic element comprises a torsion spring sleeved on the pivot pin and respectively abutted against the first pivot seat and the second pivot seat.

Preferably, 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 located between the front foot pivoting seat and the rear foot pivoting seat, the joint lock mechanism comprises a first locking member for locking the front foot pivoting seat and the handle pivoting seat, a second locking member for locking the rear foot pivoting seat and the handle pivoting seat, and a rotating take-up wheel, the rotating take-up wheel can drive the first locking member and the second locking member to simultaneously move for unlocking when rotating, and the wire drawing is connected with the rotating take-up wheel to drive the rotating take-up wheel to rotate.

Preferably, a first reset device capable of driving the first locking piece to reset is arranged between the front foot pivoting seat and the handle pivoting seat, and a second reset device capable of driving the second locking piece to reset is arranged between the rear foot pivoting seat and the handle pivoting seat.

Preferably, a front foot cavity with an opening facing the handle pin joint seat is arranged on the front foot pin joint seat, a first handle cavity opposite to the front foot cavity is arranged on the handle pin joint seat, a part of the first locking piece is located in the front foot cavity, a part of the first locking piece is located in the first handle cavity, a first rotation stopping structure capable of limiting the rotation of the front foot pin joint seat relative to the first locking piece is arranged on the inner side wall of the front foot cavity, a second rotation stopping structure capable of limiting the rotation of the first handle cavity relative to the first locking piece is arranged on the inner side wall of the first handle cavity, a push-bearing inclined surface is arranged on one side of the first locking piece, a driving part is arranged on one side of the rotating wheel, a spirally-arranged push inclined surface is arranged on the driving part, and the push-bearing inclined surface abuts against the push inclined surface and can drive the first locking piece to withdraw from the front foot cavity when the rotating wheel rotates.

Preferably, the rear foot pivoting seat is provided with a rear foot cavity with an opening facing the handle pivoting seat, the handle pivoting seat is provided with a second handle cavity opposite to the rear foot cavity, one part of the second locking piece is positioned in the rear foot cavity, the other part of the second locking piece is positioned in the second handle cavity, the inner side wall of the rear foot cavity is provided with a third rotation stopping structure capable of limiting the rotation of the rear foot pivoting seat relative to the second locking piece, the inner side wall of the second handle cavity is provided with fourth rotation stopping structures capable of limiting the rotation of the second handle cavity relative to the second locking piece, a partition plate is formed between the first handle cavity and the second handle cavity, the partition plate is provided with a through hole, and one side of the first locking piece is provided with a push rod which penetrates through the through hole and is abutted to the second locking piece, when the first locking piece is withdrawn from the front foot concave cavity, the second ejector rod ejects the second locking piece out of the second handle concave cavity and enables the second locking piece to enter the rear foot concave cavity.

Preferably, the handle set comprises a hollow U-shaped rod, the switch mechanism comprises a key arranged on the U-shaped rod, and the pull wire is connected between the key and the rotary take-up wheel so that the rotary take-up wheel can be driven to rotate by the pull wire when the key is pressed down.

Preferably, the front seat frame group and the front foot group are hinged through a rotating shaft, and the rear seat frame group and the rear foot group are hinged through a rotating shaft.

Preferably, the upper part of the front foot group is provided with an armrest group.

The utility model has the advantages that:

firstly, the utility model has simple and compact integral structure, and can be automatically folded after the joint lock mechanism is unlocked by the switch mechanism; after the folding is finished, the rollers at the lower ends of the front foot group and the rear foot group are grounded and kept in an upright state, and the handrail group is positioned at the top of the frame and is convenient to carry;

the first joint is composed of a front foot pivoting seat, a rear foot pivoting seat and a handle pivoting seat, the joint lock mechanism is composed of a first locking piece, a second locking piece and a rotary take-up wheel, wherein the first locking piece locks or unlocks the front foot pivoting seat and the handle pivoting seat when moving between the front foot pivoting seat and the handle pivoting seat, the second locking piece locks or unlocks the rear foot pivoting seat and the handle pivoting seat when moving between the rear foot pivoting seat and the handle pivoting seat, the rotary take-up wheel drives the first locking piece and the second locking piece to simultaneously move to unlock the first joint when the switch mechanism drives the rotary take-up wheel to rotate through wire drawing, and a reset device capable of driving the first locking piece and the second locking piece to reset is further arranged in the first joint.

Drawings

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

fig. 2 is a cross-sectional view showing the expanded state of the present invention;

fig. 3 is a sectional view of the utility model during the folding process;

fig. 4 is a sectional view of the present invention in a folded state;

FIG. 5 is a view showing a construction of a seat assembly with a partially disassembled structure;

FIG. 6 is one of the exploded views of the first joint;

FIG. 7 is a second exploded view of the first joint;

fig. 8 is a partially enlarged view of a portion a in fig. 7.

Detailed Description

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

Referring to fig. 1 to 8, the embodiment of the utility model provides a bassinet frame convenient to it is folding is proposed, it includes frame main part 1 its characterized in that, frame main part 1 includes preceding foot group 2, back foot group 3 and hand (hold) group 4, preceding foot group 2, back foot group 3 and hand (hold) group 4 link together through first joint 5, first joint 5 is provided with the joint lock mechanism with first joint 5 locking, hand (hold) group 4 is provided with switch mechanism, switch mechanism is connected so that switch mechanism can drive joint lock mechanism unblock through wire drawing 6 and joint lock mechanism, be provided with seat frame group between preceding foot group 2 and the back foot group 3, seat frame group includes the front seat frame group 71 of being connected with preceding foot group 2 and the back seat frame group 72 of being connected with back foot group 3, the rear portion of front seat frame group 71, the front portion of back seat frame group 72 passes through second joint 73 and articulates together, be provided with between front seat frame group 71 and the back seat frame group 72 and can drive the two to turn over downwards simultaneously and draw close up the bullet of rolling over for second The front seat frame group 71 and the rear seat frame group 72 are simultaneously driven to rotate together and mutually close when being folded downwards, the front foot group 2 and the rear foot group 3 are driven to rotate together, and the handle group 4 is connected with the rear seat frame group 72 through a connecting rod mechanism, so that the handle group 4 and the elastic piece can drive the front seat frame group 71 and the rear seat frame group 72 to be folded and closed together when being folded downwards.

The upper portion of preceding foot group 2 is provided with handrail group 11, still is connected with ceiling group 12 on hand (hold) group 4, and the lower extreme of preceding foot group 2 and back foot group 3 all is provided with gyro wheel 9, the utility model discloses the process of folding up of frame is as shown in fig. 2 to fig. 4: at first through the unblock of on-off mechanism drive joint latch mechanism, then, the hand (hold) group 4 turns over a book clockwise downwards under the effect of gravity, and through link mechanism drive rear seat frame group 72 clockwise rotation, simultaneously, under the spring action of elastic component, preceding seat frame group 71 and rear seat frame group 72 turn over a book simultaneously downwards for second joint 73 and draw close, and second joint 73 rebound simultaneously draws close with first joint 5, and foot group 2 and rear foot group 3 turn over a book simultaneously for first joint 5 and draw close, can realize before driving the utility model discloses a fold up. To sum up, the utility model has simple and compact integral structure, and can be automatically folded after the joint lock mechanism is unlocked by the switch mechanism; after folding, the rollers 9 at the lower ends of the front foot group 2 and the rollers 9 at the lower ends of the rear foot group 3 touch the ground, the vehicle body keeps an upright state, and the handrail group 11 approaches the front foot group 2.

Referring to fig. 1 and 2, the rear seat frame set 72 is hinged to the rear foot set 3, and the link mechanism includes a first link 13 connecting the rear portion of the rear seat frame set 72 and the handlebar set 4.

Referring to fig. 5, the second joint 73 includes a first pivot seat 731 connected to the rear end of the front seat set 71 and a second pivot seat 732 connected to the front end of the rear seat set 72, the first pivot seat 731 is provided with a pivot 733 pivotally connected to the second pivot seat 732, and the elastic member includes a torsion spring 8 sleeved on the pivot 733 and respectively abutted to the first pivot seat 731 and the second pivot seat 732. Of course, the elastic member may be a spring, a stretch cord, or the like, instead of the above-mentioned elastic member, and the front seat frame group 71 and the rear seat frame group 72 are driven by the tension of the spring or the stretch cord and are folded downward relative to the second joint 73.

Referring to fig. 6 and 7, the first joint 5 includes a front foot pivot seat 51 connected to the front foot set 2, a handle pivot seat 52 connected to the handle set 4, and a rear foot pivot seat 53 connected to the rear foot set 3, the handle pivot seat 52 is located between the front foot pivot seat 51 and the rear foot pivot seat 53, the joint lock mechanism includes a first locking member 54 for locking the front foot pivot seat 51 and the handle pivot seat 52, a second locking member 55 for locking the rear foot pivot seat 53 and the handle pivot seat 52, and a rotating take-up wheel 56, when the rotating take-up wheel 56 rotates, the first locking member 54 and the second locking member 55 can be driven to simultaneously move for unlocking, and the wire 6 is connected to the rotating take-up wheel 56 for driving the rotating take-up wheel 56 to rotate.

A first reset device 57 capable of driving the first locking member 54 to reset is arranged between the front foot pivot seat 51 and the handle pivot seat 52, and a second reset device 58 capable of driving the second locking member 55 to reset is arranged between the rear foot pivot seat 53 and the handle pivot seat 52.

Furthermore, the front foot pivot seat 51 is provided with a front foot cavity 511 with an opening facing the handle pivot seat 52, the handle pivot seat 52 is provided with a first handle cavity 521 opposite to the front foot cavity 511, a part of the first locking member 54 is positioned in the front foot cavity 511, a part of the front foot cavity is positioned in the first handle cavity 521, a first rotation stopping structure capable of limiting the rotation of the front foot pin joint seat relative to the first locking piece 54 is arranged on the inner side wall of the front foot cavity 511, second rotation stopping structures capable of limiting the rotation of the first handle cavity 521 relative to the first locking piece 54 are arranged on the inner side wall of the first handle cavity 521, a push bearing inclined plane 541 is arranged on one side of the first locking piece 54, a driving part 561 is arranged on one side of the rotating wheel receiving 56, a pushing inclined plane 562 which is spirally arranged is arranged on the driving part 561, the pushing inclined plane 562 is abutted against the push bearing inclined plane 541 and can drive the first locking piece 54 to withdraw from the front foot cavity 511 when the rotating wheel receiving 56 rotates.

As a preferable aspect of the above modification, the first locking member 54 is a gear, and the first rotation stopping structure and the second rotation stopping structure each employ a first latch 501 that can be latched into a tooth groove of the first locking member 54. The rotating take-up wheel 56 is disposed between the first locking member 54 and the handle pivot seat 52 and is received in the first handle cavity 521, the first locking member 54 is provided with an axial through hole 542, the push-bearing inclined surface 541 is an inclined surface and is disposed on a side of the first locking member 54 facing the front foot pivot seat 51, the driving portion 561 is shaped like a Chinese character '7', the push-up inclined surface 562 is disposed on an inner side of the driving portion 561, and the driving portion 561 penetrates through the through hole of the first locking member 54 to enable the push-up inclined surface 562 to abut against the push-bearing inclined surface 541.

Furthermore, a rear foot cavity 531 with an opening facing the handle pivot seat 52 is arranged on the rear foot pivot seat 53, a second handle cavity 522 opposite to the opening of the rear foot cavity 531 is arranged on the handle pivot seat 52, a part of the second locking piece 55 is positioned in the rear foot cavity 531, a part of the second locking piece 55 is positioned in the second handle cavity 522, a third rotation-stopping structure capable of limiting the rotation of the rear foot pivot seat relative to the second locking piece 55 is arranged on the inner side wall of the rear foot cavity 531, a fourth rotation-stopping structure capable of limiting the rotation of the second handle cavity 522 relative to the locking piece of the second locking piece 55 is arranged on the inner side wall of the second handle cavity 522, a partition board is formed between the first handle cavity 521 and the second handle cavity 522, a through hole is arranged on the partition board, a push rod 543 penetrating through the through hole and abutting against the second locking piece 55 is arranged on one side of the first locking piece 54, when the first locking piece 54 is, the second ejector rod 543 ejects the second lock piece 55 from the second handle recess 522 and enters the second lock piece 55 into the rear leg recess 531.

As a preferable mode of the above modification, the second locking member 55 is a gear, and the third rotation stop structure and the fourth rotation stop structure each employ a second latch 502 capable of being latched into a tooth groove of the second locking member 55. The first return means 57 is a spring disposed between the first locking member 54 and the handle pivot seat 52, and the second return means 58 is a spring disposed between the second locking member 55 and the rear foot pivot seat 53.

The first locking piece 54 and the second locking piece 55 are both arranged in a gear shape, so that the front foot pivoting seat 51, the rear foot pivoting seat 53 and the handle pivoting seat 52 can be effectively locked; the pushing inclined plane 562 on the driving part 561 pushes the first locking piece 54 to move axially, and the pushing rod 543 on the first locking piece 54 drives the second locking piece 55 to move axially, so that the unlocking synchronism of the first locking piece 54 and the second locking piece 55 is ensured, and the overall structure of the first joint 5 is very compact and the operation is reliable.

Referring to fig. 1, the handle set 4 includes a hollow U-shaped rod, the switch mechanism includes a button 42 disposed on the U-shaped rod, and the pull wire 6 is connected between the button 42 and the rotating take-up wheel 56 such that the pull wire 6 can drive the rotating take-up wheel 56 to rotate when the button 42 is pressed. Such a key 42 for the switch mechanism and the connection structure of the key 42 and the pull wire 6 are prior art and will not be described in detail herein.

Preferably, the front seat set 71 is hinged with the front leg set 2 through a rotating shaft, and the rear seat set 72 is hinged with the rear leg set 3 through a rotating shaft. In some embodiments of the present invention, the front seat frame set 71 and the front leg set 2, and the rear seat frame set 72 and the rear leg set 3 may be connected by a link with a smaller length.

The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solutions of the present invention all belong to the protection scope of the present invention.

Claims

1. The stroller frame convenient to fold is characterized by comprising a frame main body (1), wherein the frame main body (1) comprises a front foot group (2), a rear foot group (3) and a handle group (4), the front foot group (2), the rear foot group (3) and the handle group (4) are connected together through a first joint (5), the first joint (5) is provided with a joint lock mechanism for locking the first joint (5), the handle group (4) is provided with a switch mechanism, the switch mechanism is connected with the joint lock mechanism through a wire drawing (6) so as to drive the joint lock mechanism to unlock the joint lock mechanism, a seat frame group is arranged between the front foot group (2) and the rear foot group (3), the seat frame group comprises a front seat frame group (71) connected with the front foot group (2) and a rear seat frame group (72) connected with the rear foot group (3), the rear portion of preceding seat group (71), the front portion of back seat group (72) are in the same place through second joint (73) are articulated, preceding seat group (71) and back seat group (72) between be provided with and to drive the two and turn over the elastic component that rolls over and draw close downwards simultaneously for second joint (73), hand (hold) group (4) through a link mechanism with back seat group (72) are connected, so that can drive preceding seat group (71) and back seat group (72) together and turn over and draw close with the elastic component when hand (hold) group (4) turn over and roll over downwards.

2. A pushchair frame for folding as claimed in claim 1, wherein said rear seat frame assembly (72) is pivotally connected to said rear foot assembly (3), and said linkage comprises a first link (13) connecting the rear portion of the rear seat frame assembly (72) to said handlebar assembly (4).

3. The stroller frame convenient to fold as claimed in claim 1, wherein the second joint (73) comprises a first pivot seat (731) connected to the rear end of the front seat frame set (71) and a second pivot seat (732) connected to the front end of the rear seat frame set (72), the first pivot seat (731) is provided with a pivot (733) pivoted to the second pivot seat (732), and the elastic member comprises a torsion spring (8) sleeved on the pivot (733) and respectively abutted to the first pivot seat (731) and the second pivot seat (732).

4. The stroller frame convenient for folding according to claim 1, wherein the first joint (5) comprises a front leg pivot seat (51) connected to the front leg assembly (2), a handle pivot seat (52) connected to the handle assembly (4), and a rear leg pivot seat (53) connected to the rear leg assembly (3), the handle pivot seat (52) is located between the front leg pivot seat (51) and the rear leg pivot seat (53), the joint lock mechanism comprises a first locking member (54) for locking the front leg pivot seat (51) and the handle pivot seat (52), a second locking member (55) for locking the rear leg pivot seat (53) and the handle pivot seat (52), and a rotating take-up wheel (56), and the rotating take-up wheel (56) can drive the first locking member (54) and the second locking member (55) to move simultaneously to unlock when rotating, the drawing wire (6) is connected with the rotary take-up wheel (56) to drive the rotary take-up wheel (56) to rotate.

5. The stroller frame convenient to fold as claimed in claim 4, wherein a first reset device (57) capable of driving the first locking member (54) to reset is disposed between the front foot pivot seat (51) and the handle pivot seat (52), and a second reset device (58) capable of driving the second locking member (55) to reset is disposed between the rear foot pivot seat (53) and the handle pivot seat (52).

6. The stroller frame convenient to fold as claimed in claim 5, wherein the front foot pivot seat (51) is provided with a front foot cavity (511) having an opening facing the handle pivot seat (52), the handle pivot seat (52) is provided with a first handle cavity (521) opposite to the opening of the front foot cavity (511), a part of the first locking member (54) is located in the front foot cavity (511), a part of the first locking member is located in the first handle cavity (521), the inner side wall of the front foot cavity (511) is provided with a first rotation-stopping structure capable of limiting the rotation of the front foot pivot seat relative to the first locking member (54), the inner side wall of the first handle cavity (521) is provided with a second rotation-stopping structure capable of limiting the rotation of the first handle cavity (521) relative to the first locking member (54),

one side of the first locking piece (54) is provided with a thrust inclined plane (541), one side of the rotary wheel (56) is provided with a driving part (561), the driving part (561) is provided with a pushing inclined plane (562) which is spirally arranged, and the pushing inclined plane (562) is abutted against the thrust inclined plane (541) and can drive the first locking piece (54) to withdraw from the foreleg cavity (511) when the rotary wheel (56) rotates.

7. A stroller frame convenient to fold according to claim 6, wherein the rear foot pivot joint seat (53) is provided with a rear foot cavity (531) with an opening facing the handle pivot joint seat (52), the handle pivot joint seat (52) is provided with a second handle cavity (522) opposite to the opening of the rear foot cavity (531), a part of the second locking member (55) is positioned in the rear foot cavity (531), a part of the second locking member is positioned in the second handle cavity (522), the inner side wall of the rear foot cavity (531) is provided with a third rotation-stopping structure capable of limiting the rotation of the rear foot pivot joint seat relative to the second locking member (55), the inner side wall of the second handle cavity (522) is provided with a fourth rotation-stopping structure capable of limiting the rotation of the second handle cavity (522) relative to the second locking member (55),

a partition plate is formed between the first handle concave cavity (521) and the second handle concave cavity (522), a through hole is formed in the partition plate, a push rod (543) which penetrates through the through hole and abuts against the second locking piece (55) is arranged on one side of the first locking piece (54), and when the first locking piece (54) exits from the front foot concave cavity (511), the second push rod (543) pushes the second locking piece (55) out of the second handle concave cavity (522) and enables the second locking piece (55) to enter the rear foot concave cavity (531).

8. A pushchair frame for facilitating folding according to claim 4, characterised in that said handlebar assembly (4) comprises a hollow U-shaped bar, said switch mechanism comprises a push button (42) arranged on the U-shaped bar, said pull cord (6) being connected between said push button (42) and said spinning take-up wheel (56) so that said spinning take-up wheel (56) can be driven to rotate by said pull cord (6) when said push button (42) is depressed.

9. A pushchair frame for folding purposes as claimed in claim 1, wherein said front set of seats (71) is hinged to said front set of feet (2) by means of a pivot, and said rear set of seats (72) is hinged to said rear set of feet (3) by means of a pivot.

10. A pushchair frame for folding as claimed in claim 1, wherein the upper part of the front leg unit (2) is provided with a handrail unit (11).