CN218055319U

CN218055319U - Baby stroller capable of being quickly folded

Info

Publication number: CN218055319U
Application number: CN202123455468.4U
Authority: CN
Inventors: 赵汉杰
Original assignee: Zhejiang Baodi Baby Products Manufacturing Co ltd
Current assignee: Zhejiang Baodi Baby Products Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-12-16
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a baby's handcart that closes is closed fast, close mechanism, rear wheel, front wheel, locking mechanism including preceding foot pipe, back foot pipe, handle pipe, locking mechanism, hand (hold) release mechanism, seat, locking mechanism include preceding foot joint, back foot joint and hand (hold) joint, preceding foot joint, back foot joint pass through the round bar with hand (hold) joint center and are connected, are equipped with a plurality of arcs on the back foot joint, slide bar and arc wall butt joint on the slider of hand (hold) joint, preceding foot pipe, back foot pipe all pass through preceding foot joint, back foot joint and the mutual lock joint of hand (hold) joint with hand (hold) pipe both ends, are equipped with hand (hold) release mechanism on the handle pipe, hand (hold) release mechanism includes briquetting and two locks, seat is closed the mechanism and is included front seat pole and back seat pole, locking mechanism includes overcoat, endotheca and push ring. The utility model discloses a beneficial condition lies in: the structure linkage is smooth and easy, the locking is stable and does not rock, the structural design of the two locks is safe and reliable, and the front wheel is locked to facilitate the straight line walking.

Description

Baby stroller capable of being quickly folded

Technical Field

The utility model relates to a baby's handcart that closes is closed fast.

Background

The baby stroller has more and more varieties and various folding manners, the folding structure of the baby stroller is complex, the number of parts is large, the stability cannot be expected, the folding fluency is poor, meanwhile, for the safety of the baby stroller, a secondary lock is required to be designed during unlocking, and when the baby stroller moves forwards in a straight line, a locking straight-line walking mechanism is required to be added, which is necessary during the use process.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a baby stroller with a fast folding structure, which has a smooth structure linkage, a stable locking without shaking, a safe and reliable two-way lock structure design, and a front wheel lock for facilitating the straight-line walking.

In order to achieve the above purpose, the technical scheme of the utility model:

a baby stroller capable of being quickly folded comprises a front foot tube, a rear foot tube, a handlebar tube, a locking mechanism, a handlebar unlocking mechanism, a seat folding mechanism, a rear wheel, a front wheel and a locking mechanism, wherein the locking mechanism comprises a front foot joint, a rear foot joint and a handlebar joint, the centers of the front foot joint, the rear foot joint and the handlebar joint are connected through a round rod, a plurality of arc-shaped grooves are formed in the rear foot joint, a sliding rod on a sliding block of the handlebar joint is in butt joint with the arc-shaped grooves, the front foot tube, the rear foot tube and the two ends of the handlebar tube are mutually buckled with the handlebar joint through the front foot joint and the rear foot joint, the handlebar unlocking mechanism is arranged on the handlebar tube and comprises a pressing block and two locks, pull rods are sleeved in the two inclined grooves on the pressing block, the end parts of limiting rods on the two locks are arranged corresponding to the strip-shaped grooves on the pressing block, the seat folding mechanism comprises a front seat rod and a rear seat rod, the front seat rod and the rear seat rod are respectively connected to the two sides of a front foot tube and the two sides of a rear foot tube in a pin rotating mode, the two ends of the front seat rod are connected with the rear seat rod in an abutting mode through an adaptor, a connecting rod is connected between the adaptor and a handle joint in an abutting mode, a pair of rear wheels are symmetrically arranged on the rear foot tube, a pair of front wheels are symmetrically arranged on the front foot tube, the front wheels are mounted on the front foot tube through a locking mechanism, the locking mechanism comprises an outer sleeve, an inner sleeve and a push ring, the inner sleeve is sleeved in the outer sleeve, the push ring is arranged below the inner sleeve, one side of the push ring is fixedly connected with a connecting column in the outer sleeve through a sealing cover bolt, one end of the push rod which is slidably designed between the outer sleeve extends out of the sealing cover, an inclined plane which is correspondingly contacted with the push ring is arranged on the push rod, and the front wheels are sleeved in a central hole.

Preferably, both ends of the front foot pipe are provided with front foot joints, both ends of the rear foot pipe are provided with rear foot joints, both ends of the handle pipe are provided with handle joints, and the front foot joints, the rear foot joints and the handle joints on both sides are mutually butted through round rods.

Preferably, the end parts of the two arc-shaped grooves on the rear foot joint are respectively provided with a locking groove, the sliding block is provided with a waist-shaped groove which is sleeved with the round rod, the sliding block is movably padded with a spring I, and the pull wire in the handle pipe penetrates through the spring I to be butted with the sliding block.

Preferably, two ends of the pull rod are arranged in the sliding grooves on the handle pipe.

Preferably, a second spring is padded on one side of the second lock, pull wires are butted on the two pull rods, and the end parts of the pull wires are butted with the sliding blocks.

Preferably, the rear seat rod is fixed to the adapter, the front seat rod is rotatably mounted to the adapter by a pin, and a connection point between the link and the handlebar joint is not centered.

Preferably, the inner sleeve is provided with a locking plate, one end of the locking plate penetrates through the inner sleeve and is designed with the outer sleeve, the other end of the locking plate is padded with a spring III, a locking hole is processed on the locking plate, and an annular groove at the upper end of the sleeve shaft on the front wheel is fastened with the locking hole.

Preferably, the upper end of the push rod is padded with a spring IV, and the lower end of the push rod is buckled with the buckling groove of the front wheel.

The utility model discloses a beneficial condition lies in: the structure linkage is smooth and easy, the locking is stable and does not rock, the structural design of the secondary lock is safe and reliable, and the front wheel is locked to facilitate the straight-line walking.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the locking mechanism of the present invention.

Fig. 3 is an internal schematic view of the handle unlocking structure of the present invention.

Fig. 4 is a schematic structural diagram of the adaptor of the present invention.

Fig. 5 is an exploded view of the locking mechanism of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, a fast folding baby stroller comprises a front leg tube 1, a rear leg tube 2, a handle tube 3, a locking mechanism, a handle unlocking mechanism, a seat folding mechanism, a rear wheel 23, a front wheel 24, and a locking mechanism, wherein the locking mechanism comprises a front leg joint 4, a rear leg joint 5, and a handle joint 6, the front leg joint 4, the rear leg joint 5, and the center of the handle joint 6 are connected through a round bar, the rear leg joint 5 is provided with a plurality of arc-shaped grooves 7, a slide bar 11 on a slide block 9 of the handle joint 6 is in butt joint with the arc-shaped grooves 7, two ends of the front leg tube 1, the rear leg tube 2, and the handle tube 3 are buckled with the front leg joint 6 through the front leg joint 4, the rear leg joint 5, the handle unlocking mechanism is arranged on the handle tube 3, the handle unlocking mechanism comprises a pressing block 13 and two locks 16, pull bars 14 are sleeved in the two inclined grooves on the pressing block 13, the end part of a limiting rod 18 on a secondary lock 16 is arranged corresponding to a strip-shaped groove 15 on a pressing block 13, a seat folding mechanism comprises a front seat rod 19 and a rear seat rod 20, the front seat rod 19 and the rear seat rod 20 are respectively connected with the two sides of a front foot tube 1 and a rear foot tube 2 in a rotating mode through pins, the two ends of the front seat rod 19 are respectively butted with the rear seat rod 20 through a transfer piece 21, a connecting rod 22 is butted between the transfer piece 21 and a handle joint 6, a pair of rear wheels 23 are symmetrically arranged on the rear foot tube 2, a pair of front wheels 24 are symmetrically arranged on the front foot tube 1, the front wheels 24 are arranged on the front foot tube 1 through a locking mechanism, the locking mechanism comprises an outer sleeve 25, an inner sleeve 26 and a push ring 30, the inner sleeve 26 is sleeved in the outer sleeve 25, a push ring 30 is arranged below the inner sleeve 26, one side of the push ring 30 is fixedly connected with a connecting column in the outer sleeve 25 through a sealing cover bolt, one end of a push rod 29 which is slidably designed between the outer sleeve 25 and the inner sleeve 26 extends out of a sealing cover, the push rod 29 is provided with an inclined plane 31 which is correspondingly contacted with the push ring 30, and the front wheel 24 is sleeved in the central hole of the inner sleeve 26. The two ends of the front foot tube 1 are both provided with front foot joints 4, the two ends of the rear foot tube 2 are both provided with rear foot joints 5, the two ends of the handle tube 3 are both provided with handle joints 6, and the front foot joints 4, the rear foot joints 5 and the handle joints 6 on the two sides are all butted with each other through round rods. The end parts of two arc-shaped grooves 7 on the rear foot joint 5 are respectively provided with a locking groove 8, a waist-shaped groove is arranged on a sliding block 9 and is sleeved with a round rod, a spring I10 is movably padded on the sliding block 9, and a pull wire 12 in the handle pipe 3 penetrates through the spring I10 and is butted with the sliding block 9. Two ends of the pull rod 14 are arranged in the sliding grooves on the handle pipe 3. A second spring 17 is padded on one side of the second lock 16, pull wires 12 are butted on the two pull rods 14, and the end parts of the pull wires 12 are butted with the sliding block 9. The rear seat rod 20 is fixedly connected to the adapter 21, the front seat rod 19 is rotatably mounted to the adapter 21 by a pin, and the connection point of the connecting rod 22 and the handlebar joint 6 is not at the center. The inner sleeve 26 is provided with a locking plate 27, one end of the locking plate 27 penetrates through the inner sleeve 26 and the outer sleeve 25, the other end of the locking plate 27 is padded with a spring III, a locking hole 28 is processed on the locking plate 27, and an annular groove at the upper end of a sleeve shaft on the front wheel 24 is fastened with the locking hole 28. The upper end of the push rod 29 is padded with a spring IV, and the lower end of the push rod 29 is fastened with the buckling groove of the front wheel 24.

The utility model discloses a two-way lock 16's on the handle release structure gag lever post 18 and the bar groove 15 of briquetting 13 correspond the design, when needing the unblock, through promoting two-way lock 16 pressure spring two 17, make gag lever post 18 and bar groove 15 correspond, promote briquetting 13 can only gag lever post 18 move to bar groove 15, otherwise spacing can't promote briquetting 13, the briquetting 13 that moves drives through pull rod 14 and acts as go-between 12 and move, thereby drive slider 9 and move slide bar 11 to arc wall 7 department from the locked groove 8, rotate handle pipe 3 can make slide bar 11 move in arc wall 7, thereby realize the receipts of front leg pipe 1, back leg pipe 2 and handle pipe 3 and close, receive the handle joint 6 that closes in-process and drive connecting rod 22 and move, connecting rod 22 stimulates adaptor 21 to move upwards, therefore, the adaptor 21 can drive the front leg tube 1 and the rear leg tube 2 to close through the front seat rod 19 and the rear seat rod 20 to realize folding, when the baby stroller needs to keep straight-line walking, the push ring 30 on the locking mechanism is rotated, the push ring 30 is under the action of the inclined plane 31 on the push rod 29 and is combined with the spring four, the push rod 29 moves downwards to be buckled with the buckling groove of the front wheel 24 to realize locking, the front wheel 24 keeps straight-line walking, when the front wheel 24 is unlocked, the push ring 30 is rotated to push the push rod 29 to move upwards by utilizing the inclined plane 31 to move out from the buckling groove of the front wheel 24 to realize unlocking, the design of the locking plate 27 can be buckled with the annular groove of the sleeve shaft on the front wheel 24 through the locking hole 28 on the locking plate to prevent the front wheel 24 from falling out, the front wheel 24 can be unlocked by pressing one end of the locking plate 27, the spring is compressed tightly, and the sleeve shaft of the front wheel 24 can be conveniently taken out.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a baby's handcart of receipts fast closes, includes preceding foot pipe (1), back foot pipe (2), handle pipe (3), locking mechanical system, hand (hold) release mechanism, seat receipts closing mechanism, rear wheel (23), front wheel (24), locking mechanical system, a serial communication port, locking mechanical system include preceding foot joint (4), back foot joint (5) and hand (hold) joint (6), preceding foot joint (4), back foot joint (5) are connected through the round bar with hand (hold) joint (6) center, be equipped with a plurality of arc walls (7) on back foot joint (5), slide bar (11) on slider (9) of hand (hold) joint (6) dock with arc wall (7), preceding foot pipe (1), back foot pipe (2) and hand (hold) pipe (3) both ends are all through preceding foot joint (4), back foot joint (5) and hand (hold) joint (6) lock joint each other, be equipped with hand (3) release mechanism, hand (hold) release mechanism includes briquetting (13) and two way pin (16), all cup jointed in briquetting (14) on briquetting (13), two on seat receive closing mechanism and pass through preceding foot (19) and set up the seat (19) and bar (19) respectively, seat receive closing mechanism and set up preceding foot (15) and bar (19), the seat (19) and the front seat (15) and the front seat (15) draw bar (13) and pass through the rotary type draw bar (13) The front seat is connected with the rear seat rod (20) through an adapter (21), a connecting rod (22) is connected between the adapter (21) and the handle joint (6) in a butt joint mode, a pair of rear wheels (23) are symmetrically arranged on the rear seat rod (2), a pair of front wheels (24) are symmetrically arranged on the front foot tube (1), the front wheels (24) are installed on the front foot tube (1) through a locking mechanism, the locking mechanism comprises an outer sleeve (25), an inner sleeve (26) and a push ring (30), the inner sleeve (26) is sleeved in the outer sleeve (25), a push ring (30) is arranged below the inner sleeve (26), one side of the push ring (30) is fixedly connected with a connecting column in the outer sleeve (25) through a seal bolt, one end of a push rod (29) which is slidably designed between the outer sleeve (25) and the inner sleeve (26) extends out of the seal cover design, an inclined plane (31) which is correspondingly contacted with the push ring (30) is arranged on the push rod (29), and the front wheels (24) are sleeved in a central hole of the inner sleeve (26).

2. A stroller capable of being folded quickly as claimed in claim 1, wherein the front leg joints (4) are provided at both ends of the front leg tube (1), the rear leg joints (5) are provided at both ends of the rear leg tube (2), the handle joints (6) are provided at both ends of the handle tube (3), and the front leg joints (4), the rear leg joints (5) and the handle joints (6) at both sides are connected with each other by a round rod.

3. A stroller according to claim 1, wherein the rear leg joint (5) has two curved slots (7) at the ends thereof, each slot (8) has a slot (9) at the end thereof, the slider (9) has a waist-shaped slot to engage with the rod, the slider (9) has a first spring (10) for movement, and the pull wire (12) in the handle tube (3) is engaged with the slider (9) through the first spring (10).

4. A stroller according to claim 1, wherein said pull-bar (14) is mounted at both ends thereof in sliding grooves formed in said handle-bar tube (3).

5. A stroller according to claim 1, wherein said second lock (16) is padded with a second spring (17) on one side, and the two rods (14) are connected with the pull wire (12) in a butt joint manner, and the end of the pull wire (12) is connected with the slider (9) in a butt joint manner.

6. A stroller according to claim 1, wherein said rear seat bar (20) is fixedly connected to said adapter member (21), said front seat bar (19) is rotatably mounted to said adapter member (21) by means of a pin, and the connecting point of said connecting rod (22) to said handlebar joint (6) is not centered.

7. A fast collapsible stroller as claimed in claim 1, wherein the inner sleeve (26) has a locking plate (27), one end of the locking plate (27) is designed to pass through the inner sleeve (26) and the outer sleeve (25), the other end of the locking plate (27) is provided with a third spring, the locking plate (27) has a locking hole (28), and the annular groove at the upper end of the sleeve shaft of the front wheel (24) is fastened to the locking hole (28).

8. A stroller according to claim 1, wherein said push bar (29) is provided with a spring at its upper end, and the lower end of the push bar (29) is fastened to the fastening groove of the front wheel (24).