CN210653254U

CN210653254U - Baby carriage framework

Info

Publication number: CN210653254U
Application number: CN201921110337.2U
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, its characterized in that: including shallow frame (1), front wheel subassembly (2), rear wheel subassembly (3), seat mechanism and the ability that have expansion position and folding position shallow frame (1) lock in the locking mechanical system who expands under the position, shallow frame (1) including the collateral branch frame that is located the constitution link mechanism of the left and right sides, seat mechanism set up in the collateral branch frame between, through pressing the unlocking piece on 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, the locking subassembly just unlocks completely, then promote the handspike forward and just can realize the folding of bassinet, whole process only needs one to push can realize one-hand operation, and the operation is very convenient.

Description

Baby carriage framework

[ technical field ] A method for producing a semiconductor device

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

[ 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 existing baby carriage is very complex, so that the baby carriage is heavy, the volume 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, 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 stroller frame comprising 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 for locking the stroller frame 1 in the unfolded position, wherein the stroller frame 1 comprises side brackets at left and right sides and forming a link 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, 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 first bending joint 11, the lower end of the push rod 81 is rotatably connected with the upper end of the rear support 7 through a second bending joint 12, the upper end of the support rod 82 is hinged on the first bending joint 11, the lower end of the support rod 82 is hinged on a rod body of the rear support 7, the upper end of the front support 6 is hinged on the second bending joint 12, 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.

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.

As described above, the other end of the pulling rope 805 is connected with the pulling iron 808, the pulling iron 808 is installed in the first bending joint 11, the pulling iron 808 is provided with the iron pin 809, the first bending joint 11 is provided with the arc-shaped track 111 for the iron pin 809 to be clamped in, and the arc-shaped track 111 can push the iron pin 809 to move up and down in the rotating process of the first bending joint 11, so as to drive the pulling rope 805 to pull the lock pin 8133 to slide in the sleeve locking 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 first bending joint 11 through the first rotating shaft 41, the lower end of the supporting rod 82 is hinged to the rod body of the rear bracket 7 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 first joint of bending is close to the back foot bar lower extreme, and the lower extreme of bracing piece is rotatory, drives articulated dish and rotates, and articulated dish drives the motion of seat pole, 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 handspike for first 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.

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

5. The utility model discloses bassinet skeleton 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 bassinet skeleton does not have the interference between the folding in-process body of rod of receiving the car, and the car of receiving drops automatically, folds up smooth smoothness.

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

7. The utility model discloses bassinet skeleton among is equipped with couple and hinge post on the collateral branch frame, after the bassinet skeleton is folded up, the hinge post is hooked for bassinet skeleton after folding keeps fold condition, prevents loosely, and the receipts car, the transport, accomodate for people 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 a side view of the present invention.

Fig. 4 is a side view of the present invention during the stacking process.

Fig. 5 is a side view of the utility model in a standing state after being folded.

Fig. 6 is an exploded view of the push rod locking device of the present invention.

Fig. 7 is a second exploded view of the push rod locking device of the present invention.

Fig. 8 is a partial sectional view of the present invention.

Fig. 9 is an enlarged view of a portion a of fig. 8.

[ detailed description ] embodiments

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

As shown in fig. 1 to 9, a stroller frame 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 at the unfolded position, wherein the stroller frame 1 comprises side brackets at left and right sides constituting a link mechanism, the seat mechanism is disposed between the side brackets, and the side bracket at each side comprises:

The utility model discloses 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 first bending joint be close to the back foot bar lower extreme, the lower extreme of bracing piece is rotatory, it rotates to drive articulated dish, articulated dish 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 not worry.

As shown in fig. 1, fig. 2, fig. 4, fig. 6, fig. 7, fig. 8, and fig. 9, in this embodiment, the push rod locking device 813 includes a sleeve locking hole 8131 provided on the sleeve 811, a lock pin 8133 provided 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, and a driving mechanism 8134 for driving the lock pin 8133 to slide in the sleeve locking hole 8131 is provided on the telescopic rod 812, so that the stroller frame automatically drops after being unlocked, has no interference between rod bodies, smoothly folds, can realize one-key one-hand second folding and can automatically stand, lift and put down at any time, greatly reduces the production cost, and optimizes the use experience.

As shown in fig. 1, fig. 2, fig. 4, fig. 6, fig. 7, fig. 8, and fig. 9, 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 return, the locking assembly of the stroller frame of the present invention realizes locking and unlocking by the cooperation of the locking pin and the locking hole, and the whole locking and unlocking actions are performed in a closed cavity without exposure, so that there is no fear of finger jamming, and safety is ensured.

As shown in fig. 1, 2, 4, 6, 7, 8, and 9, 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 the 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, a mounting post 142 is disposed in the sliding block strip hole 807, a limiting block mounting hole 143 matching with the mounting post 142 is disposed on the limiting block 14, the sliding block 801 is connected to the limiting block 14 through the mounting post 142 penetrating in 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 mounting post 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 locking 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 first 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, 2, 4, 6, 7, 8 and 9, in this embodiment, an abutting portion 8110 capable of abutting against the stopper 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 prevent potential safety hazards.

As shown in fig. 1, 2, 4, 6, 7, 8, and 9, 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 first bending joint 11, an iron pin 809 is provided on the pulling iron 808, an arc rail 111 for the iron pin 809 to be inserted is provided on the first bending joint 11, the arc rail 111 can push the iron pin 809 to move up and down in the process of rotating the first bending joint 11, and further 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 first bending joint rotates to pull the pulling rope by pressing an unlocking piece on the handle tube, and further pull a sliding block, at this time, the spring is compressed, the locking assembly is completely unlocked, then the push rod is pushed forwards to realize the folding of the baby carriage, the whole process can be operated by one hand only by pushing, and the operation is very convenient and fast.

As shown in fig. 1, 2, 4, 6, 7, 8, and 9, in this embodiment, an unlocking member 91 is disposed on the handle tube 9 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 is operated to unlock the push rod and rotate and fold relative to the rear connecting rod, 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, fig. 2, fig. 4, fig. 6, fig. 7, fig. 8, and fig. 9, in this embodiment, the upper end of the supporting rod 82 is hinged to the first bending joint 11 through a first rotating shaft 41, the lower end of the supporting rod 82 is hinged to the rod body of the rear bracket 7 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 rod 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 mechanism to realize folding of the front leg tube toward the rear leg tube in the rotating process.

The utility model discloses an unblock folding process is such: the unlocking piece 91 on the handle pipe 9 is pressed by a hand through a single hand to drive the pull rope in the handle pipe 9 to lift upwards, the pull rope in the handle pipe 9 drives the iron sheet in the first bending joint 11 to lift upwards to realize unlocking of the first bending joint 11, at the moment, the first bending joint 11 can rotate, in the rotating process of the first 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 pulls the lock pin 8133 to slide from the sleeve locking hole 8131, the lock pin 8133 slides into the sleeve 811 pipe body to realize unlocking between the sleeve 811 and the telescopic rod 812, at the moment, the telescopic rod 812 slides out from the sleeve 811 pipe, the first bending joint 11 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 hinge block drives the seat bar to move, 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. A stroller frame, 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 wheel assembly comprises a rear support (7), wherein a hinge block (71) is arranged on a rod body of the rear support (7), and the rear wheel assembly (3) is arranged at the lower part of the rear support (7);

a pushing frame (8), wherein the pushing frame (8) comprises a pushing rod (81) and a supporting 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 rotationally connected with the lower end of the handle pipe (9) through a first bending joint (11), the lower end of the push rod (81) is rotationally connected with the upper end of the rear bracket (7) through a second bending joint (12), the upper end of the supporting rod (82) is hinged on the first bending joint (11), the lower end of the supporting rod (82) is hinged on the rod body of the rear bracket (7), the upper end of the front bracket (6) is hinged on the second bending joint (12), the push rod (81) comprises a sleeve (811) and a telescopic rod (812) which can be extended and retracted in the sleeve (811), 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. The stroller frame of 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. The stroller frame of 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. The stroller frame of 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 of 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. The stroller frame of claim 3, wherein: stay cord (805) other end is connected with draws indisputable (808), it installs to draw indisputable (808) in first joint (11) of bending draw to be equipped with iron round pin (809) on iron (808) be equipped with the confession on first joint (11) of bending arc track (111) that iron round pin (809) were gone into, arc track (111) can first joint (11) pivoted in-process of bending promote iron round pin (809) reciprocate, and then drive stay cord (805) pulling lockpin (8133) are in slide in sleeve lockhole (8131).

7. The stroller frame of claim 3, wherein: the handle pipe (9) is provided with an unlocking piece (91) so that the handle pipe (9) can rotate relative to the pushing frame (8) to pull the pull rope (805) to unlock.

8. The stroller frame of claim 1, wherein: bracing piece (82) upper end articulates through first pivot (41) on first joint (11) of bending, bracing piece (82) lower extreme articulates through second pivot (42) on the after-poppet (7) body of rod, 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 fore-stock (6) body of rod.