CN210653255U

CN210653255U - Baby carriage framework convenient to automatically fold

Info

Publication number: CN210653255U
Application number: CN201921110340.4U
Authority: CN
Inventors: 严思建; 曾祖岸; 叶广德; 李萱棉
Original assignee: Zhongshan Shaoxiawang Plastic Products Co ltd
Current assignee: Zhongshan Shaoxiawang Plastic Products Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-02
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to a bassinet skeleton convenient to automatic folding, its characterized in that: including shallow frame (1), front wheel subassembly (2), rear wheel subassembly (3), the seat mechanism that has expansion position and folding position and can with shallow frame (1) lock in the locking mechanical system under the expansion position, shallow frame (1) including the collateral branch frame that is located the constitution link mechanism of the left and right sides, through pressing the unlocking piece on the handspike for rotate the seat and rotate and then stimulate the stay cord, and then the motion of pulling sliding block, the spring compression this moment, locking assembly just unlocks completely, then promotes the handspike forward and just can realize the folding of bassinet, whole process only needs one to push away and can realize one-hand operation, and the operation is very convenient.

Description

Baby carriage framework convenient to automatically fold

[ technical field ] A method for producing a semiconductor device

The patent of the utility model relates to a bassinet skeleton convenient to automatic folding.

[ background of the invention ]

The trolley is a very common child appliance, children can be put on the trolley and pushed by adults to walk, so that the nursing action of the adults can be greatly facilitated, the children can feel more comfortable and the trolley is safer. However, the existing wheelbarrow is generally complex in structure, most of the existing wheelbarrow cannot be folded, and some of the existing wheelbarrow can be folded and can be also partially folded, so that the folding process is troublesome, and a part of the existing wheelbarrow needs to be folded in sequence, so that a plurality of users cannot finish the folding process skillfully, and a part of the existing wheelbarrow needs to be unfolded in sequence when the existing wheelbarrow is unfolded, so that the use of a plurality of users is troublesome. In addition, the volume is large after folding, which is not easy to carry. Therefore, when the vehicle is not needed to be used or is needed to be carried, the vehicle needs to occupy more space when being placed, and great inconvenience is brought to storage or transportation.

At present, the baby carriage becomes an indispensable object for children in the growth process, the baby carriage on the market can be folded or unfolded generally, but the skeleton structure of the baby carriage convenient for automatic folding of the existing baby carriage is very complex, so that the baby carriage is heavy, the size is still large after being folded, the manufacturing cost is high, and due to the complex structure, people are very laboursome when folding the baby carriage, and the baby carriage is easy to damage.

The folding effect of the baby carriage in the prior design is not good, and the folding and unfolding are inconvenient.

The product that can accomplish automatic receipts and close in the existing market needs install the extension spring additional on the frame, and drive arrangement such as torsional spring drives the frame folding, can make like this to open the ride very arduous, and it is extremely inconvenient to operate.

The baby carriage in the existing design is inconvenient to switch between two states of a sitting posture and a lying posture of a child, and inconvenience is caused to people in the process of using the baby carriage.

The existing baby carriage is not provided with a standing position, and the baby carriage cannot stand after being folded and is inconvenient to place.

Due to the above problems, it is necessary to provide a solution thereto, and it is against this background that the present invention has been made.

[ Utility model ] content

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a bassinet skeleton convenient to automatic folding, through the unlocking piece on pressing the handspike for rotate the seat and rotate and then stimulate the stay cord, and then stimulate the sliding block motion, the spring is compressed this moment, and locking subassembly just unlocks completely, then promotes the handspike forward and just can realize the folding of bassinet, and whole process only needs one to push away and can realize one-hand operation, and the operation is very convenient.

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

a baby carriage framework convenient for automatic folding comprises a stroller frame 1 with an unfolding position and a folding position, a front wheel assembly 2, a rear wheel assembly 3, a seat mechanism and a locking mechanism capable of locking the stroller frame 1 at the unfolding position, wherein the stroller frame 1 comprises side brackets which are positioned at the left side and the right side and form a connecting rod mechanism, the seat mechanism is arranged between the side brackets, and the side bracket at each side comprises:

the front wheel assembly 2 is arranged at the lower part of the front bracket 6;

the rear support 7 is provided with a hinge block 71 on a rod body of the rear support 7, the upper end of the rear support 7 is connected with the upper end of the front support 6 through a first bending joint 11, and the rear wheel assembly 3 is arranged at the lower part of the rear support 7;

the push frame 8 comprises a push rod 81 and a support rod 82, a handle pipe 9 is arranged at the upper end of the push frame 8, the upper end of the push rod 81 is rotatably connected with the lower end of the handle pipe 9 through a second bending joint 12, the lower end of the push rod 81 is hinged on the hinge block 71, the upper end of the support rod 82 is hinged on the second bending joint 12, the lower end of the support rod 82 is hinged on the first bending joint 11, the push rod 81 comprises a sleeve 811 and a telescopic rod 812 capable of extending and retracting in the sleeve 811, and a push rod locking device 813 is arranged between the sleeve 811 and the telescopic rod 812;

the front end of the seat frame 13 is hinged to the rod body of the front support 6, and the rear end of the seat frame 13 is hinged to the hinge block 71.

The push rod locking device 813 comprises a sleeve locking hole 8131 arranged on the sleeve 811, a locking pin 8133 arranged on the telescopic rod 812 and matched with the sleeve locking hole 8131 to realize locking or unlocking between the sleeve 811 and the telescopic rod 812, and a driving mechanism 8134 for driving the locking pin 8133 to slide in the sleeve locking hole 8131 is arranged on the telescopic rod 812.

The driving mechanism 8134 includes a sliding block 801, the sliding block 801 is provided with a sliding groove 802 in which the lock pin 8133 can slide, the sliding block 801 is further provided with an inclined groove 803 penetrating the sliding groove 802, the lock pin 8133 is provided with a shift lever 804 which can be inserted in the inclined groove 803, one end of the sliding block 801 is connected with a pull rope 805, and the driving mechanism 8134 further includes a spring 806 which can drive the sliding block 801 to reset.

The extendable rod 812 is provided with the stopper 14 for preventing the extendable rod 812 from coming out of the sleeve 811 as described above, the limiting block 14 is provided with a cavity 141 for the sliding block 801 to slide in, the sliding block 801 is provided with a sliding block strip-shaped hole 807, the sliding block strip-shaped hole 807 is internally provided with an installation column 142, the limit block 14 is provided with a limit block installation hole 143 matched with the installation column 142, the sliding block 801 is connected with the limiting block 14 through the mounting column 142 penetrating the sliding block strip-shaped hole 807, one end of the spring 806 presses against the sliding block 801, the other end of the spring 806 presses against the mounting post 142, the stopper 14 is provided with a stopper first bar-shaped hole 144 into which the shift lever 804 is inserted and a stopper second bar-shaped hole 145 in which the lock pin 8133 slides.

The end of the sleeve 811 is provided with an abutting portion 8110 which can abut against the stopper 14 and can prevent the telescopic rod 812 from coming out of the sleeve 811.

The other end of the pull rope 805 is connected with a pull iron 808, the pull iron 808 is installed in the second bending joint 12, an iron pin 809 is arranged on the pull iron 808, an arc-shaped track 121 for the iron pin 809 to be clamped is arranged on the second bending joint 12, and the arc-shaped track 121 can push the iron pin 809 to move up and down in the rotating process of the second bending joint 12, so that the pull rope 805 is driven to pull the lock pin 8133 to slide in the sleeve lock hole 8131.

The handle tube 9 is provided with an unlocking member 91 to make the handle tube 9 rotate relative to the pushing frame 8 to pull the pulling rope 805 to unlock.

As described above, the upper end of the supporting rod 82 is hinged to the second bending joint 12 through the first rotating shaft 41, the lower end of the push rod 81 is hinged to the hinge block 71 through the second rotating shaft 42, the rear end of the seat frame 13 is hinged to the hinge block 71 through the third rotating shaft 43, and the front end of the seat frame 13 is hinged to the rod body of the front bracket 6 through the fourth rotating shaft 44.

The utility model has the advantages that:

1. when the baby carriage is folded, the locking component is unlocked, the handle tube is pushed forwards, the lower end of the handle tube and the upper end of the push rod are close to the lower end of the rear foot rod, so that the pull rope pulls the sliding block on the telescopic rod to unlock, the telescopic rod slides relative to the sleeve, because the reason of gravity for the second joint of bending is close to the back foot bar lower extreme, and the lower extreme of push rod is rotatory, drives articulated piece and rotates, and articulated piece drives seat pole motion, and the other end of seat pole drives preceding foot bar and moves to back foot bar direction, realizes putting in order the folding of car, and whole folding process easy operation folds up in a flexible way, and folding back is small, more importantly, the utility model discloses the locking subassembly of bassinet frame utilizes the cooperation realization kayser and the unblock of lockpin with the lockhole, and whole kayser and unblock action all go on in the confined cavity, do not expose, do not worry to block the finger, ensure safety.

2. The utility model discloses the back that finishes of receiving the car, the bassinet frame makes whole car can be vertical stand with the rear wheel action strong point before the front wheel, need not remove to bow to right, saves physical power, conveniently carries.

3. The utility model discloses during the unblock of bassinet frame, through pressing the unlocking piece on the handle pipe for the second joint that bends rotates and then stimulates the stay cord, and then stimulates the sliding block motion, and the spring is compressed this moment, and the locking subassembly just unlocks completely, then promotes the handspike forward and just can realize the folding of bassinet, and whole process only needs one to push away and can realize the one-hand operation according to one, and the operation is very convenient.

4. The utility model provides a bassinet skeleton convenient to automatic folding, this bassinet skeleton convenient to automatic folding receive the car after through the unblock and drop automatically, do not interfere between the body of rod, fold up smooth smoothness, can realize that a key singlehanded second is received and can stand automatically, carry away at any time and put down, the manufacturing cost that has significantly reduced has optimized use and has experienced.

5. The utility model discloses the bassinet skeleton of being convenient for automatic folding among adopts 2 joints and a plurality of articulated mounting of bending, and the frame body of rod can stretch out and draw back after the unblock, and the automatic folding bassinet skeleton of being convenient for does not have the interference between the in-process body of rod of folding receipts car, receives the car automatic and drops, folds up smooth smoothness.

6. The utility model discloses bassinet skeleton convenient to automatic folding among has the back, and the back can swiftly conveniently be sat and stand and lie between two postures and change, gives people and brings convenience at the in-process that uses the bassinet.

7. The utility model discloses be convenient for automatic folding bassinet skeleton among is equipped with couple and hinge post on the collateral branch frame, after automatic folding bassinet skeleton of being convenient for was folded up, the hinge post was hooked for folding automatic folding bassinet skeleton of being convenient for after keeping fold condition, prevent loosely, the receipts car, the transport of giving people, accomodate and bring the convenience.

[ description of the drawings ]

Fig. 1 is a perspective view of the present invention.

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

Fig. 3 is one of the partial exploded views of the present invention.

Fig. 4 is a second partial exploded view of the present invention.

Fig. 5 is a third partial exploded view of the present invention.

Fig. 6 is a fourth view of the present invention in partial explosion.

Fig. 7 is a side sectional view of the present invention.

Fig. 8 is an enlarged view of a portion a of fig. 7.

Fig. 9 is a side view of the present invention.

Fig. 10 is a side view of the present invention during stacking.

Fig. 11 is a side view of the utility model in a standing state after being folded.

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 11, a stroller frame for facilitating automatic folding comprises a stroller frame 1 having an unfolded position and a folded position, a front wheel assembly 2, a rear wheel assembly 3, a seat mechanism and a locking mechanism capable of locking the stroller frame 1 in the unfolded position, wherein the stroller frame 1 comprises side brackets forming a link mechanism at left and right sides, the seat mechanism is disposed between the side brackets, and the side bracket at each side comprises:

the front end of the seat frame 10 is hinged to the rod body of the front support 6, and the rear end of the seat frame 10 is hinged to the hinge block 71.

The utility model discloses the bassinet is behind locking subassembly unblock when folding, promote the handle pipe forward, make handle pipe lower extreme, the push rod upper end is close to the back foot bar lower extreme, make sliding block unblock on the stay cord pulling telescopic link, the relative sleeve pipe of telescopic link slides, because the reason of gravity, make the second joint of bending be close to the back foot bar lower extreme, the lower extreme of push rod is rotatory, it rotates to drive articulated piece, articulated piece drives seat pole motion, the other end of seat pole drives preceding foot bar and moves to back foot bar direction, realize folding of whole car, whole folding process easy operation, fold up in a flexible way, after folding, more importantly, the utility model discloses the locking subassembly of bassinet frame utilizes the lockpin to realize kayser and unblock with the cooperation of lockhole, whole kayser and unblock action are all gone on in the confined cavity, do not expose, do.

As shown in fig. 1 to 8, in this embodiment, the push rod locking device 813 includes a sleeve locking hole 8131 formed in the sleeve 811, and a lock pin 8133 arranged on the telescopic rod 812 and cooperating with the sleeve locking hole 8131 to lock or unlock the sleeve 811 and the telescopic rod 812, wherein a driving mechanism 8134 for driving the lock pin 8133 to slide in the sleeve locking hole 8131 is arranged on the telescopic rod 812, so that the stroller frame convenient for automatic folding automatically drops after being unlocked, has no interference between rod bodies, is smoothly folded, can be folded by one key and can be folded by one hand for a second, automatically stand, and can be lifted away and lowered down at any time, thereby greatly reducing the production cost and optimizing the use experience.

As shown in fig. 1 to 8, in this embodiment, the driving mechanism 8134 includes a sliding block 801, the sliding block 801 is provided with a sliding groove 802 for the locking pin 8133 to slide therein, the sliding block 801 is further provided with a chute 803 penetrating the sliding groove 802, the locking pin 8133 is provided with a shift lever 804 capable of penetrating into the chute 803, one end of the sliding block 801 is connected with a pull rope 805, the driving mechanism 8134 further includes a spring 806 capable of driving the sliding block 801 to reset, the locking assembly of the stroller frame of the present invention realizes locking and unlocking by matching the locking pin with the locking hole, the whole locking and unlocking actions are performed in a closed cavity, and the locking and unlocking actions are not exposed, so that people do not worry about finger locking, and safety is ensured.

As shown in fig. 1 to 8, in this embodiment, a limiting block 14 capable of preventing the telescopic rod 812 from coming off from the sleeve 811 is disposed on the telescopic rod 812, a cavity 141 for a sliding block 801 to slide in is disposed on the limiting block 14, a sliding block strip hole 807 is disposed on the sliding block 801, an installation column 142 is disposed in the sliding block strip hole 807, a limiting block installation hole 143 matching with the installation column 142 is disposed on the limiting block 14, the sliding block 801 is connected with the limiting block 14 through the installation column 142 penetrating through the sliding block strip hole 807, one end of the spring 806 is pressed against the sliding block 801, the other end of the spring 806 is pressed against the installation column 142, a limiting block first strip hole 144 for the rod 804 to be inserted into and a limiting block second strip hole 145 for the lock pin 8133 to slide therein are disposed on the limiting block 14, the utility model discloses during the unblock of bassinet frame, through pressing the unlocking piece on the handspike for the second joint of bending rotates and then stimulates the stay cord, and then stimulates the sliding block motion, and the spring compressed this moment, locking subassembly just unblock completely, then promote the handspike forward and just can realize the folding of bassinet, and whole process only needs one to push away and can realize the one-hand operation, and the operation is very convenient.

As shown in fig. 1 to 8, in this embodiment, an abutting portion 8110 capable of abutting against the stop block 14 and preventing the telescopic rod 812 from coming out of the sleeve 811 is disposed at an end of the sleeve 811, so as to avoid a safety hazard.

As shown in fig. 1 to 8, in this embodiment, a pulling iron 808 is connected to the other end of the pulling rope 805, the pulling iron 808 is installed in the second bending joint 12, an iron pin 809 is arranged on the pulling iron 808, an arc-shaped track 121 for the iron pin 809 to be clamped is arranged on the second bending joint 12, the arc-shaped track 121 can push the iron pin 809 to move up and down in the process of rotating the second bending joint 12, so as to drive the pulling rope 805 to pull the locking pin 8133 to slide in the sleeve locking hole 8131, so as to lock or unlock the sleeve 811 and the telescopic rod 812, when the frame of the stroller is unlocked, the unlocking piece on the handle pipe is pressed, so that the second bending joint rotates to pull the pulling rope, so as to pull the sliding block to move, at this time, the spring is compressed, the locking assembly is completely unlocked, and then the hand push rod forward to fold the stroller, the whole process can be operated by one hand only by pushing one button, and the operation is very convenient.

As shown in fig. 1 to 11, in this embodiment, the handle tube 9 is provided with an unlocking member 91 so that the handle tube 9 can rotate relative to the pushing frame 8 to pull the pulling rope 805 to unlock, when the stroller frame needs to be folded, the unlocking member only needs to be operated to unlock the push rod and operate the push rod to rotate relative to the rear connecting rod for folding, so as to achieve automatic folding, and when the stroller frame is unfolded, the unlocking member locks the push rod so that the push rod cannot rotate relative to the rear connecting rod.

As shown in fig. 1 to 11, in this embodiment, the upper end of the supporting rod 82 is hinged to the second bending joint 12 through a first rotating shaft 41, the lower end of the push rod 81 is hinged to the hinge block 71 through a second rotating shaft 42, the rear end of the seat frame 13 is hinged to the hinge block 71 through a third rotating shaft 43, the front end of the seat frame 13 is hinged to the rod body of the front bracket 6 through a fourth rotating shaft 44, the supporting rod 82, the sleeve 811, the telescopic rod 812 and the foot bar of the rear bracket 7 form a sliding mechanism through the first rotating shaft 41, the second rotating shaft 42, the third rotating shaft 43 and the fourth rotating shaft 44 to realize automatic folding, and the sliding mechanism drives the four-bar linkage mechanism to fold the front foot tube toward the rear foot tube in the rotating process.

The utility model discloses an unblock folding process is such: the unlocking piece 91 on the handle tube 9 is pressed by a hand through a single hand to drive the pull rope in the handle tube 9 to lift upwards, the pull rope in the handle tube 9 drives the iron sheet in the second bending joint 12 to lift upwards to unlock the second bending joint 12, at the moment, the second bending joint 12 can be folded and rotated, in the rotating process of the second bending joint, the arc-shaped track 121 pushes the iron pin 809 to lift upwards, the iron pin 809 drives the pull iron 808 to lift upwards, the pull iron 808 drives the pull rope 805 to move upwards, the pull rope 805 drives the lock pin 8133 to slide from the sleeve lock hole 8131, the lock pin 8133 slides into the sleeve 811 tube body to unlock the sleeve 811 and the telescopic rod 812, at the moment, the telescopic rod 812 slides into the sleeve 811 tube, the second bending joint 12 is close to the lower end of the rear foot bar due to gravity, the lower end of the push rod rotates to drive the hinge block to rotate, and the seat bar moves, the other end of seat pole drives preceding foot bar and moves to back foot bar direction, realizes the folding of whole car, and whole folding process easy operation folds up in a flexible way, and folding back is small, more importantly, the utility model discloses the locking subassembly of bassinet frame utilizes the cooperation realization kayser and the unblock of lockpin and lockhole, and whole kayser and unblock action all go on in the confined cavity, do not expose, do not worry to block the finger, ensure safety.

Claims

1. The utility model provides a bassinet skeleton convenient to automatic folding which characterized in that: including having shallow frame (1) of expansion position and folding position, front wheel subassembly (2), rear wheel subassembly (3), seat mechanism and can with shallow frame (1) lock in the locking mechanical system under the expansion position, shallow frame (1) including the collateral branch frame that constitutes link mechanism that is located the left and right sides, seat mechanism set up in the collateral branch frame between, each side the collateral branch frame include:

the front bracket (6), the front wheel assembly (2) is arranged at the lower part of the front bracket (6);

the rear support (7) is provided with a hinging block (71) on a rod body of the rear support (7), the upper end of the rear support (7) is connected with the upper end of the front support (6) through a first bending joint (11), and the rear wheel assembly (3) is arranged at the lower part of the rear support (7);

the push frame (8) comprises a push rod (81) and a support rod (82), a handle pipe (9) is arranged at the upper end of the push frame (8), the upper end of the push rod (81) is rotatably connected with the lower end of the handle pipe (9) through a second bending joint (12), the lower end of the push rod (81) is hinged to the hinge block (71), the upper end of the support rod (82) is hinged to the second bending joint (12), the lower end of the support rod (82) is hinged to the first bending joint (11), the push rod (81) comprises a sleeve (811) and a telescopic rod (812) capable of stretching in the sleeve (811), and a push rod locking device (813) is arranged between the sleeve (811) and the telescopic rod (812);

the front end of the seat frame (13) is hinged to the rod body of the front support (6), and the rear end of the seat frame (13) is hinged to the hinge block (71).

2. A stroller frame for facilitating automatic folding according to claim 1, wherein: the push rod locking device (813) comprises a sleeve locking hole (8131) formed in the sleeve (811), a lock pin (8133) arranged on the telescopic rod (812) and matched with the sleeve locking hole (8131) to realize locking or unlocking between the sleeve (811) and the telescopic rod (812), and a driving mechanism (8134) used for driving the lock pin (8133) to slide in the sleeve locking hole (8131) is arranged on the telescopic rod (812).

3. A stroller frame for facilitating automatic folding according to claim 2, wherein: the driving mechanism (8134) comprises a sliding block (801), a sliding groove (802) in which the lock pin (8133) can slide is formed in the sliding block (801), an inclined groove (803) penetrating through the sliding groove (802) is further formed in the sliding block (801), a shifting lever (804) capable of being inserted into the inclined groove (803) is arranged on the lock pin (8133), one end of the sliding block (801) is connected with a pulling rope (805), and the driving mechanism (8134) further comprises a spring (806) capable of driving the sliding block (801) to reset.

4. A stroller frame for facilitating automatic folding according to claim 3, wherein: the telescopic rod (812) is provided with a limiting block (14) capable of preventing the telescopic rod (812) from being disengaged from a sleeve (811), the limiting block (14) is provided with a cavity (141) in which a sliding block (801) can slide, the sliding block (801) is provided with a sliding block strip-shaped hole (807), an installation column (142) is arranged in the sliding block strip-shaped hole (807), the limiting block (14) is provided with a limiting block installation hole (143) matched with the installation column (142), the sliding block (801) is connected with the limiting block (14) through the installation column (142) penetrating through the sliding block strip-shaped hole (807), one end of a spring (806) is pressed on the sliding block (801), the other end of the spring (806) is pressed on the installation column (142), and the limiting block (14) is provided with a limiting block first strip-shaped hole (144) for the driving rod (804) to be clamped and a locking pin (8133) for the driving rod (804) to be clamped in A second strip-shaped hole (145) of the limit block sliding in the middle.

5. The stroller frame for facilitating automatic folding according to claim 4, wherein: the end part of the sleeve (811) is provided with an abutting part (8110) which can abut against the limiting block (14) and can prevent the telescopic rod (812) from falling out of the sleeve (811).

6. A stroller frame for facilitating automatic folding according to claim 3, wherein: the other end of the pull rope (805) is connected with a pull iron (808), the pull iron (808) is installed in the second bending joint (12), an iron pin (809) is arranged on the pull iron (808), an arc-shaped track (121) for the iron pin (809) to be clamped is arranged on the second bending joint (12), the arc-shaped track (121) can push the iron pin (809) to move up and down in the rotating process of the second bending joint (12), and then the pull rope (805) is driven to pull the lock pin (8133) to slide in the sleeve lock hole (8131).

7. A stroller frame for facilitating automatic folding according to claim 3, wherein: an unlocking piece (91) is arranged on the handle pipe (9) so that the handle pipe (9) can rotate relative to the pushing frame (8) to pull the pull rope (805) to unlock.

8. A stroller frame for facilitating automatic folding according to claim 1, wherein: bracing piece (82) upper end articulates through first pivot (41) on second joint (12) of bending, push rod (81) lower extreme articulates through second pivot (42) on articulated piece (71), seat frame (13) rear end articulates through third pivot (43) on articulated piece (71), seat frame (13) front end articulates through fourth pivot (44) on the body of rod of fore-stock (6).