CN210941924U

CN210941924U - Baby handcart device

Info

Publication number: CN210941924U
Application number: CN201921444011.3U
Authority: CN
Inventors: 赵汉杰; 胡传喜
Original assignee: Zhejiang Baodi Baby Products Manufacturing Co ltd
Current assignee: Zhejiang Baodi Baby Products Manufacturing Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-07-07
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a baby stroller device, which comprises a front leg frame, a push rod frame, a rear leg frame and a folding mechanism, wherein the front leg frame is symmetrically provided with a pair of universal wheels, the rear leg frame is provided with a pair of rear wheels which are annularly provided with a plurality of lock holes, the two rear wheels are connected through a connecting rod, the connecting rod is sleeved with a pedal lock, the folding mechanism comprises a rotary sheet, a transverse pipe, a linkage pipe and a pull block, the rotary sheet is provided with three pairs of universal wheels, the three pairs of universal wheels are respectively arranged at the two ends of the front leg frame, the push rod frame and the rear leg frame, the transverse pipe is sleeved between sleeves on the corresponding rotary sheet at the inner side, the linkage pipe is sleeved on the transverse pipe, the pull rod is sleeved in the sleeve pipe, a pin on the transverse pipe is butted with a guide groove on the linkage pipe, the two end parts of the pull rod are provided with a second lock pin corresponding to the lock holes, the end part of the locking piece is buckled with the transverse pipe. The linkage structure is novel in design, convenient and fast to fold, capable of being operated by left and right hands to unlock, and fast locked by the rear wheel.

Description

Baby handcart device

Technical Field

The utility model relates to a technical field of baby's handcart, especially a baby's handcart device.

Background

The baby instrument of riding instead of walk of people's daily frequent use of going out during the baby's handcart, in order to can be more convenient use of going out, most baby's handcart can design and be folded cascade, and most baby's handcart folding mode is loaded down with trivial details, linkage nature is poor, and most of moreover be right hand unblock, and it is extremely inconvenient to partial habit left hand unblock crowd, so we need design a section unblock convenient and fast, all can unblock, the baby's handcart of hand wheel lockable about.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a baby stroller device with a novel linkage structure, a convenient and fast folding mechanism, an unlocking mechanism operable by both left and right hands, and a fast locking mechanism for rear wheels.

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

a baby stroller device comprises a front leg frame, a push rod frame, a rear leg frame and a folding mechanism, wherein a pair of universal wheels is symmetrically arranged on the front leg frame, a telescopic rod is sleeved on the push rod frame in a sliding mode, a button is arranged in the middle of the telescopic rod, two ends of the button are connected with a latch mechanism through pull wires, a pair of rear wheels with a plurality of lock holes are arranged on the rear leg frame, the two rear wheels are connected through a connecting rod, a pedal lock is sleeved on the connecting rod, a driving sleeve is sleeved in the pedal lock, a guide moving groove is processed on the driving sleeve, a pin on the pull rod in the connecting rod penetrates through the connecting rod to be in butt joint with the moving groove, a first lock pin is arranged at one end of the pull rod, the folding mechanism comprises a rotating sheet, a transverse pipe, a linkage pipe and a pull block, the three pairs of rotating sheets are respectively arranged at two ends of the front leg frame, the transverse pipe is sleeved between the sleeves on the corresponding rotating pieces on the inner side, the linkage pipe is sleeved on the transverse pipe, the pull rod is sleeved in the sleeves, pins on the pull rod penetrate through the transverse pipe to be in butt joint with the guide grooves in the linkage pipe, the two end portions of the pull rod are provided with second lock pins corresponding to the locking holes in the three rotating pieces, the outer portion of the linkage pipe is provided with an outer sleeve, a pair of pull blocks are symmetrically arranged in the outer sleeve, the inclined plane between the two pull blocks corresponds to the inclined planes on the two sides of the locking piece respectively, and the end.

Preferably, the latch mechanism is provided with a latch fastened with the push rod frame.

Preferably, the front leg frame, the push rod frame and the rotating sheets on the two sides of the rear leg frame are rotatably fastened.

Preferably, the first pull rod and the second pull rod are internally provided with a return spring, one end of the return spring at the first pull rod is abutted against the first pull rod, the other end of the return spring at the first pull rod is abutted against the first lock pin, one end of the return spring at the second pull rod is abutted against a vertical rod fixed on the transverse pipe, and the other end of the return spring is abutted against the second lock pin.

Preferably, the rear leg frame is provided with a buckle piece, and the end part of the buckle piece is provided with anti-dropping buckle teeth.

The utility model discloses a beneficial condition lies in: the linkage structure is novel in design, convenient and fast to fold, capable of being operated by left and right hands to unlock, and fast locked by the rear wheel.

Drawings

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

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

Fig. 3 is a schematic structural view of the connecting rod and the pedal lock of the present invention.

Detailed Description

As shown in fig. 1, 2 and 3, a baby stroller apparatus comprises a front leg frame 1, a push rod frame 3, a rear leg frame 6 and a folding mechanism, wherein the front leg frame 1 is symmetrically provided with a pair of universal wheels 2, the push rod frame 3 is slidably sleeved with a telescopic rod 4, the middle part of the telescopic rod 4 is provided with a button 5, two ends of the button 5 are connected with a latch mechanism through pull wires, the rear leg frame 6 is provided with a pair of rear wheels 7 which are annularly provided with a plurality of lock holes, the two rear wheels 7 are connected with each other through a connecting rod 8, the connecting rod 8 is sleeved with a pedal lock 9, a driving sleeve 10 is sleeved in the pedal lock 9, a guide moving groove is processed on the driving sleeve 10, a pin on a first pull rod 11 in the connecting rod 8 penetrates through the connecting rod 8 to be in butt joint with the moving groove, the end part of the first pull rod 11 is provided with a first lock pin 12, the folding mechanism comprises three pairs of rotary plates 13, a, the two-side rotating sheet type locking device is arranged at two ends of a front leg frame 1, a push rod frame 3 and a rear leg frame 6 respectively, three rotating sheets 13 at two sides are connected and buckled through a center rod respectively, a horizontal pipe 15 is sleeved between sleeves 14 on corresponding rotating sheets 13 at the inner side, a linkage pipe 16 is sleeved on the horizontal pipe 15, a pull rod two 18 is sleeved in the sleeve 14, pins on the pull rod two penetrate through the horizontal pipe 15 and are butted with a guide groove 17 on the linkage pipe 16, a lock pin two 19 corresponding to a locking hole on the three rotating sheets 13 is arranged at the end part of the pull rod two 18, an outer sleeve 20 is arranged outside the linkage pipe 16, a pair of pull blocks 21 are symmetrically arranged in the outer sleeve 20, an inclined plane between the two pull blocks 21 corresponds to inclined planes at two sides. The latch mechanism is provided with latch which is buckled with the push rod frame 3. The front leg frame 1, the push rod frame 3 and the rotating sheets 13 on the two sides of the rear leg frame 6 are rotatably buckled. And the first pull rod 11 and the second pull rod 18 are internally provided with a return spring, one end of the return spring at the first pull rod 11 is abutted against the first pull rod 11, the other end of the return spring at the second pull rod 18 is abutted against the first lock pin 12, one end of the return spring at the second pull rod 18 is abutted against a vertical rod fixed on the transverse pipe 15, and the other end of the return spring is abutted against the second lock pin 19. The rear leg frame 6 is provided with a buckle piece, and the end part of the buckle piece is provided with anti-drop buckle teeth.

The utility model discloses a front leg frame 1 is equipped with a pair of universal wheel 2, can be used to the turn operation, adjustable telescopic link 4 on push rod frame 3 can adjust the telescopic link 4 length through pressing button 5, step on lock 9 on back leg frame 6, can drive cover 10 to rotate through pedal lock 9, thereby drive the direction shifting chute on cover 10 and can drive the pin and move left and right, thereby pull rod 11 moves left and right and drives lockpin 12 and locks the lockhole on back wheel 7, receive folding mechanism can close front leg frame 1, push rod frame 3 and back leg frame 6 through the rotation of rotor 13 and close to the contact, can carry out the lock through cramp 23 simultaneously, receive back integral type transport, when needing to close front leg frame 1, push rod frame 3 and back leg frame 6, through holding overcoat 20, promote pull block 21 to remove, thereby make the latch fitting 22 tip break away from with violently pipe 15, just can rotate linkage pipe 16, the rotating linkage pipe 16 drives the pin on the second pull rod 18 to move through the guide groove on the linkage pipe, so that the second pull rod 18 contracts to drive the second lock pin 19 to move out of the locking hole on the rotating sheet 13, the front leg frame 1, the push rod frame 3 and the rear leg frame 6 can be folded and unfolded when the linkage pipe is used, the first pull rod 11 and the second pull rod 18 are both provided with a return spring in the groove, the first pull rod 11 is provided with one end of the return spring which is abutted against the first pull rod 11, the other end of the return spring is abutted against the first lock pin 12, one end of the return spring at the second pull rod 18 is abutted against the vertical rod fixed on the transverse pipe 15, the other end of the return spring is abutted against the second lock pin 19, so that the first lock pin 12 can smoothly enter the lock hole to be locked after the pedal lock 9 rotates, the second pull rod 18 of the outer sleeve 20.

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. A baby stroller device comprises a front leg frame (1), a push rod frame (3), a rear leg frame (6) and a folding mechanism, and is characterized in that a pair of universal wheels (2) is symmetrically arranged on the front leg frame (1), a telescopic rod (4) is sleeved on the push rod frame (3) in a sliding mode, a button (5) is arranged in the middle of the telescopic rod (4), two ends of the button (5) are connected with a latch mechanism through pull wires, a pair of rear wheels (7) with a plurality of lock holes are annularly arranged on the rear leg frame (6), the two rear wheels (7) are connected through a connecting rod (8), a pedal lock (9) is sleeved on the connecting rod (8), a driving sleeve (10) is sleeved in the pedal lock (9), a guide moving groove is processed on the driving sleeve (10), a pin on a pull rod (11) in the connecting rod (8) penetrates through the connecting rod (8) to be in butt joint with the moving groove, a lock pin (12) is arranged at the end part, the folding mechanism comprises three pairs of rotating pieces (13), a transverse pipe (15), a linkage pipe (16) and pull blocks (21), the three pairs of rotating pieces (13) are respectively arranged at two ends of a front leg frame (1), a push rod frame (3) and a rear leg frame (6), the three rotating pieces (13) at two sides are respectively connected and buckled through a center rod, the transverse pipe (15) is sleeved between the sleeves (14) on the corresponding rotating pieces (13) at the inner side, the linkage pipe (16) is sleeved on the transverse pipe (15), a pull rod II (18) is sleeved in the sleeve (14), pins on the pull rod II penetrate through the transverse pipe (15) and are butted with a guide groove (17) on the linkage pipe (16), a lock pin II (19) corresponding to locking holes on the three rotating pieces (13) is arranged at the end part of the pull rod II (18), an outer sleeve (20) is arranged outside the linkage pipe (16), a pair of pull blocks (21) is symmetrically arranged inside the outer sleeve (20), the inclined plane between the two pull blocks (21) respectively corresponds to the inclined, the end part of the locking piece (22) is buckled with the transverse pipe (15).

2. A stroller apparatus according to claim 1, wherein said latch means comprises a latch adapted to engage with said push bar frame (3).

3. A stroller device according to claim 1, wherein the front leg (1), the push rod (3) and the rear leg (6) are pivotally connected to each other by a pivoting member (13).

4. A stroller apparatus according to claim 1, wherein the first (11) and second (18) draw bars have a return spring disposed in the notches, the return spring at the first draw bar (11) has one end abutting against the first draw bar (11) and the other end abutting against the first lock pin (12), the return spring at the second draw bar (18) has one end abutting against a vertical rod fixed to the horizontal tube (15) and the other end abutting against the second lock pin (19).

5. A stroller apparatus according to claim 1, wherein said rear leg (6) is provided with a buckle plate having anti-disengagement teeth at its ends.