CN110001737B - Baby carriage frame - Google Patents
Baby carriage frame Download PDFInfo
- Publication number
- CN110001737B CN110001737B CN201910286560.0A CN201910286560A CN110001737B CN 110001737 B CN110001737 B CN 110001737B CN 201910286560 A CN201910286560 A CN 201910286560A CN 110001737 B CN110001737 B CN 110001737B
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- Prior art keywords
- frame
- seat
- push rod
- bracket
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- 238000000034 method Methods 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 206010061258 Joint lock Diseases 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000190070 Sarracenia purpurea Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a baby stroller frame, which comprises a front bracket, a rear bracket, a bottom frame and a seat frame, wherein the lower end of the front bracket is rotatably connected with the bottom frame; when in an unfolding state, a triangular frame is formed among the seat frame, the stay bars and the rear support; in the folding process, the upper end of the rear bracket slides downwards along the front bracket, and a quadrilateral frame is formed among the front bracket, the seat frame, the stay bars and the rear bracket. The triangular frame in the embodiment of the invention is more stable when being unfolded, and can reduce shaking in the using process. In the folding process, the quadrilateral frame is easy to fold and deform, and the vehicle is quickly folded.
Description
Technical Field
The invention relates to the technical field of baby strollers, in particular to a baby stroller frame.
Background
After the existing baby stroller frame is unfolded, the problem that a supporting structure is unstable and easy to shake exists generally.
Therefore, it is necessary to design a stroller frame that is stable in support and not prone to sway after deployment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the baby stroller frame which is stable in support and not easy to shake after being unfolded.
The technical proposal of the invention provides a baby pushing frame which comprises a front bracket, a rear bracket, a bottom frame and a seat frame, wherein the lower end of the front bracket is rotatably connected with the bottom frame, the lower end of the rear bracket is rotatably connected with the bottom frame,
the upper end of the stay bar is rotatably connected with the rear part of the seat frame, the lower end of the stay bar is rotatably connected with the rear bracket, the upper end of the front bracket is rotatably connected with the middle part of the seat frame, and the upper end of the rear bracket can slide up and down along the front bracket;
when in an unfolding state, a triangular frame is formed among the seat frame, the stay bars and the rear support;
in the folding process, the upper end of the rear bracket slides downwards along the front bracket, and a quadrilateral frame is formed among the front bracket, the seat frame, the stay bars and the rear bracket.
Further, the baby stroller frame further comprises a push rod and a sliding piece, the sliding piece is sleeved on the front support and can slide up and down along the front support, the lower end of the push rod is inserted into the sliding piece, and the upper end of the rear support is rotatably connected with the sliding piece.
Further, a convex part is arranged on one side of the push rod, facing the front bracket, and when the push rod slides downwards for a certain period, the convex part is in contact with the upper end of the sliding part, and the push rod drives the sliding part to slide downwards together;
the lower extreme of push rod still is equipped with the end cap, and in the expansion process, the push rod upwards slides, works as the end cap with the lower extreme of slider is contradicted, the push rod drives the slider upwards slides together.
Further, the baby stroller frame further comprises a handle, the lower end of the handle is fixedly connected with the upper end of the push rod, a locking joint is arranged between the front support and the push rod, the locking joint is installed in the sliding piece, and an unlocking component is arranged on the handle;
when in an unfolding state, the locking joint locks the front bracket and the push rod, and the push rod cannot slide along the front bracket;
the unlocking component can unlock the locking joint, and the push rod can slide downwards along the front bracket after unlocking to fold the baby stroller frame.
Further, the seat frame is a quadrilateral frame, and the seat frame is used for installing a seat pocket.
Further, the seat pocket includes a main pocket and an auxiliary pocket, the main pocket is mounted on the seat frame, the auxiliary pocket is foldable to the bottom of the main pocket, and the auxiliary pocket can be unfolded downwards.
Further, a combination component is arranged on the seat frame and is used for installing the infant car safety seat.
Further, the combination assembly comprises an inserting portion and a buckling portion, wherein the inserting portion is fixed with the infant safety seat frame, and the buckling portion is fixed on the seat frame.
Further, the baby pushing frame further comprises a sunshade frame, wherein the sunshade frame comprises a first frame and a second frame, and the first frame is arranged at the downstream position of the second frame;
when the sun-shading cloth is unfolded, the first shed frame rotates upwards, and the second shed frame rotates forwards and is used for unfolding the sun-shading cloth.
Further, the baby stroller frame further comprises a handle assembly, the upper end of the handle assembly can be clamped on the seat frame, and the lower end of the handle assembly is rotatably connected with the underframe.
After the technical scheme is adopted, the method has the following beneficial effects:
in the invention, as the baby stroller frame is in the unfolded state, a triangular frame is formed among the seat frame, the stay bars and the rear bracket; in the folding process, the upper end of the rear bracket slides downwards along the front bracket, and a quadrilateral frame is formed among the front bracket, the seat frame, the stay bars and the rear bracket. The triangular frame is more stable when being unfolded, and can reduce shaking in the use process. In the folding process, the quadrilateral frame is easy to fold and deform, and the vehicle is quickly folded.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present invention. In the figure:
FIG. 1 is a view showing an expanded state of a stroller frame according to a first embodiment of the present invention;
FIG. 2 is a view showing an expanded state of the other side of the stroller frame according to the first embodiment of the present invention;
FIG. 3 is a state diagram of the stroller frame according to the first embodiment of the present invention during folding;
FIG. 4 is a folded state diagram of a stroller frame according to a first embodiment of the present invention;
FIG. 5 is a perspective view of a stroller frame with a seat pocket mounted thereon according to a first embodiment of the present invention;
FIG. 6 is a view showing a state of the auxiliary pocket of the stroller frame after being unfolded according to the first embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of the bottom of the handle assembly in accordance with one embodiment of the present invention;
FIG. 8 is an enlarged partial view of the top of the handle assembly in accordance with one embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of the bottom rear of the handle assembly in accordance with one embodiment of the present invention;
FIG. 10 is an enlarged partial view of the bottom side of the handle assembly in accordance with one embodiment of the present invention;
FIG. 11 is a perspective view of a spring tooth according to a first embodiment of the present invention;
FIG. 12 is a perspective view of the tip portion of a spring tooth according to a first embodiment of the present invention;
FIG. 13 is an enlarged bottom view of a stroller frame with a handle assembly mounted thereto in accordance with an embodiment of the present invention;
FIG. 14 is a perspective view of a stroller frame with an infant safety seat mounted thereon according to a first embodiment of the present invention;
fig. 15 is a view showing an expanded state of the stroller frame according to the second embodiment of the present invention.
Reference numeral control table:
front support 1, rear support 2, chassis 3, seat frame 4
Handle assembly 8 of stay bar 5 push rod 6 sliding piece 7
Handle 12 combining component 13 of sunshade frame 10 of seat pocket 9
Unlocking assembly 14 wheels 15 tray 16 infant safety seat frame 17
Pedal assembly 18 infant car safety seat 19 end cap 61
Clasp 81 handle 82 connecting rod 83 rotary part 84
Bracelet 88 of outer sleeve 87 of rod 86 in mounting bracket 85
Unlocking piece 821 first locking portion 831 second locking portion 832
End cap 833 gear portion 841 extension 842 card slot 843
Spring tooth 851 mounting slot 852 tooth tip 851a locating pin 851b
Tooth shell 851c sliding groove 851d main pocket 91 and auxiliary pocket 92
Buckle part 132 of plug part 131 of second shed frame 102 of first shed frame 101
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
It is to be readily understood that, according to the technical solutions of the present invention, those skilled in the art may replace various structural modes and implementation modes with each other without changing the true spirit of the present invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms.
Embodiment one:
referring to fig. 1-14, a schematic structural diagram of a stroller frame according to a first embodiment of the present invention is shown.
As shown in fig. 1-2, the baby stroller frame comprises a front bracket 1, a rear bracket 2, a bottom frame 3 and a seat frame 4, wherein the lower end of the front bracket 1 is rotatably connected with the bottom frame 3, the lower end of the rear bracket 2 is rotatably connected with the bottom frame 3,
also comprises a stay bar 5, the upper end of the stay bar 5 is rotatably connected with the rear part of the seat frame 4, the lower end of the stay bar 5 is rotatably connected with the rear bracket 2, the upper end of the front bracket 1 is rotatably connected with the middle part of the seat frame 4, and the upper end of the rear bracket 2 can slide up and down along the front bracket 1;
in the unfolded state, a triangular frame is formed among the seat frame 4, the stay bars 5 and the rear bracket 2;
in the folding process, the upper end of the rear bracket 2 slides downwards along the front bracket 1, and a quadrilateral frame is formed among the front bracket 1, the seat frame 4, the stay bars 5 and the rear bracket 2.
Specifically, the front support 1 is two straight rods, the rear support 2 is also two straight rods, the underframe 3 is a frame structure positioned at the bottom of the baby stroller frame, the four corners are respectively provided with wheels 15, and the front support 1 and the rear support 2 are respectively connected to the front side and the rear side of the underframe 3.
The upper end of the front bracket 1 is rotatably connected with the middle part of the seat frame 4, and the upper end of the rear bracket 2 can slide up and down along the front bracket 1.
As shown in fig. 1, in the unfolded state, the upper end of the rear bracket 2 is positioned near or overlapping the connection point of the upper end of the front bracket 1 and the seat frame 4 in the left-right direction of the stroller frame. Thus, a triangular frame is formed between the seat frame 4, the stay 5 and the rear bracket 2. The baby stroller frame is more stable in unfolding and can reduce shaking in the using process.
As shown in fig. 3, during the folding, the upper end of the rear bracket 2 slides down along the front bracket 1 such that the upper end of the rear bracket 2 is away from the connection point of the upper end of the front bracket 1 and the seat frame 4. The front bracket 1, the seat frame 4, the stay bars 5 and the rear bracket 2 form a quadrilateral frame, so that the quadrilateral frame is easy to fold and deform in the folding process, and the vehicle can be quickly folded.
As shown in fig. 4, as the upper end of the rear bracket 2 slides down along the front bracket 1, the rear bracket 2 turns forward and downward, the front bracket 1 turns backward and downward, and the upper end of the stay 5 also turns backward and downward, so that the seat frame 4 is lowered and then approaches the chassis 3.
Alternatively, the front bracket 1 and the rear bracket 2 are not necessarily straight rods, but may be rods with a certain radian or bending angle.
Further, as shown in fig. 1, the stroller frame further includes a push rod 6 and a sliding member 7, the sliding member 7 is sleeved on the front bracket 1 and can slide up and down along the front bracket 1, the lower end of the push rod 6 is inserted into the sliding member 7, and the upper end of the rear bracket 2 is rotatably connected with the sliding member 7.
The upper end of the front bracket 1 passes through the sliding piece 7, and the sliding piece 7 is sleeved on the front bracket 1 and can slide up and down.
The upper end of the rear bracket 2 slides downwards and is driven by a push rod 6. When folding is needed, the push rod 6 is pushed downwards, the push rod 6 drives the sliding piece 7 to slide downwards along the front support 1, and the sliding piece 7 drives the upper end of the rear support 2 to slide downwards along the front support 1.
Further, as shown in fig. 3, a protruding member (not shown) is disposed on a side of the push rod 6 facing the front bracket 1, and when the push rod 6 slides downward for a certain period, the protruding member abuts against the upper end of the sliding member 7, and the push rod 6 drives the sliding member 7 to slide downward together;
as shown in fig. 1, the lower end of the push rod 6 is further provided with an end cap 61, and during deployment, the push rod 6 slides upward, and when the end cap 61 abuts against the lower end of the slider 7, the push rod 6 drives the slider 7 to slide upward together.
As shown in fig. 3, when the push rod 6 pushes downward, it first slides downward along the front bracket 1 for a certain period, at this time, the push rod 6 does not drive the slider 7 to slide downward, and the upper end of the rear bracket 2 does not slide downward. As shown in fig. 4, after the push rod 6 slides downward for a certain period, the length occupied by the push rod 6 in the folded state is advantageously shortened, so that the folded push rod 6 and the seat frame 4 are substantially overlapped in the up-down direction.
Alternatively, the lower end of the push rod 6 may be fixedly connected with the sliding member 7, and when the push rod 6 moves downward, the sliding member 7 is directly driven to move downward, and when the push rod 6 moves upward, the sliding member 7 is directly driven to move upward.
Further, as shown in fig. 1, the stroller frame further includes a handle 12, the lower end of the handle 12 is fixedly connected with the upper end of the push rod 6, a locking joint (not shown) is arranged between the front bracket 1 and the push rod 6, the locking joint is installed in the sliding piece 7, and an unlocking component 14 is arranged on the handle 12;
when in an unfolding state, the locking joint locks the front bracket 1 and the push rod 6, and the push rod 6 cannot slide along the front bracket 1;
the unlocking component 14 can unlock the locking joint, and the unlocking rear push rod 6 can slide downwards along the front bracket 1 to fold the stroller frame.
When the stroller needs to be folded, a user presses the unlocking component 14 on the handle 12, the unlocking component 14 can drive the locking joint through a steel wire (not shown) and unlock the locking joint, and the steel wire passes through the inner cavities of the rod pieces of the handle 12 and the push rod 6 and then is linked with the locking joint. The user pushes the push rod 6 downwards again, and the push rod 6 can slide relative to the front bracket 1 at this time.
As shown in fig. 4, when the stroller needs to be unfolded from the folded state, the handle 12 is lifted upwards, the handle 12 drives the push rod 6 to slide upwards, and when the push rod 6 slides to the upper end of the front bracket 1, the push rod 6 and the front bracket 1 are locked again through the locking joint, so that the upper end of the push rod 6 is kept at the position.
In the first embodiment, as shown in fig. 1-2, the seat frame 4 is a quadrangular frame, and the seat frame 4 is used for mounting the seat pocket 9.
Further, as shown in fig. 1, the infant pushchair further comprises a sunshade frame 10, the sunshade frame 10 comprises a first frame 101 and a second frame 102, and the first frame 101 is installed at a position downstream of the second frame 102;
when the sunshade cloth is unfolded, the first canopy frame 101 is rotated upward, and the second canopy frame 102 is rotated forward, for unfolding the sunshade cloth 11.
Specifically, the first canopy frame 101 is mounted on the seat frame 4, the first canopy frame 101 includes two struts, the second canopy frame 102 is mounted on the push rod 6, and the width of the second canopy frame 102 is greater than the width of the first canopy frame 101.
The first canopy frame 101 is rotated and unfolded upward to open the height of the sunshade cloth 11, and the second canopy frame 102 is rotated and unfolded forward to open the length of the sunshade cloth 11 in the front-rear direction of the vehicle body, so that the sunshade range is wider.
Alternatively, the first canopy frame 101 may have only one strut, and be connected to the pushrod 6, where the connection point of the first canopy frame 101 to the pushrod 6 is closer to the lower end of the pushrod 6.
Further, as shown in fig. 5 to 6, the seat pocket 9 includes a main pocket 91 and an auxiliary pocket 92, the main pocket 91 is mounted on the seat frame 4, the auxiliary pocket 92 is foldable to be received in the bottom of the main pocket 91, and the main pocket 91 is communicated with the receiving space of the auxiliary pocket 92 after the auxiliary pocket 92 is unfolded downward.
Wherein, as shown in fig. 5, the main pocket 91 is a rectangular pocket, and when the sub pocket 92 is folded, the bottom of the main pocket 91 is a plane, and an infant can lie in the main pocket 91 or sit in the main pocket 91 in a pan.
As shown in fig. 6, when the sub-pocket 92 is unfolded downward, the sub-pocket 92 expands the accommodation space of the main pocket 91, and the baby's lower legs and feet can be inserted into the sub-pocket 92 to sit on the bottom of the main pocket 91. The sub pocket 92 is provided at a bottom middle region of the main pocket 91, and two infants can be seated relatively in the main pocket 91 at the same time.
Alternatively, the sub pocket 92 may be provided at the front or rear side of the bottom of the main pocket 91. One infant's feet may be placed in the secondary pocket 92 and another infant may lie or sit down.
The sub-pocket 92 may also be used to store baby bottles, quilts, towels, and the like after being unfolded.
Further, the secondary pocket 92 is connected with the main pocket 91 by a zipper, a tether or a sticking buckle after being folded.
When the secondary pocket 92 is not used, the secondary pocket 92 is folded and zipped, or tied, or glued, so that the secondary pocket 92 and the bottom of the primary pocket 91 form a complete plane.
When the auxiliary bag 92 is needed, the zipper is opened, the tether is loosened, or the fastening buckle is torn, and at the moment, the auxiliary bag 92 automatically sinks under the action of gravity.
In this embodiment, the main pocket 91 and the auxiliary pocket 92 are integrated, and the main pocket 91 and the auxiliary pocket 92 are sewn and connected into a whole by a plurality of woven fabrics.
In this embodiment, the seat pocket 9 is in a deep bucket shape, and the main pocket 91 forms the main body of the deep bucket and has a larger accommodation space, so that a baby can sit in the seat pocket 9 without having to place feet outside the stroller like a common stroller.
In the present embodiment, the cross sections of the primary pocket 91 and the secondary pocket 92 are rectangular.
Alternatively, the cross section of the primary pocket 91 may be oval, the cross section of the secondary pocket 92 may be rectangular, or other shapes.
In this embodiment, the cross-sectional area of the main pocket 91 is larger than that of the sub pocket 92, and the depth of the sub pocket 92 is also smaller than that of the main pocket 91, and the sub pocket 92 serves as a functional extension structure of the main pocket 91.
Alternatively, the sub pocket 92 may have a cross-sectional area equal to that of the main pocket 91, and may serve as a depth extension structure of the main pocket 91. Can be suitable for older children or higher children.
Preferably, a hard support plate (not shown) is mounted to the bottom of the main pocket 91, and the hard support plate is mounted in a sandwich of the bottom of the main pocket 91. The hard support plate can support the bottom of the main pocket 91, which is enough to bear the weight of two infants and reduce deformation.
The foldable part of the auxiliary pocket 92 is flexible fabric, and the interlayer of the hard supporting plate is also added at the part where the auxiliary pocket 92 is spliced with the main pocket 91.
Further, as shown in fig. 1, the handle assembly 8 includes a T-shaped handle 82, a connecting rod 83, and a rotating portion 84;
the handle 82 is connected with the upper end of the connecting rod 83, the lower end of the connecting rod 83 is inserted into the rotating part 84, the rotating part 84 can rotate and adjust the angle of the handle 82 and the connecting rod 83, and at least the rotating part 84 is mounted on the stroller frame.
In this embodiment, the handle 82 and the connecting rod 83 are adjusted to any angle convenient for a user to drag the stroller frame by rotating the rotating part 84, and then the user holds the handle 82 and drives the stroller frame to move back and forth by the handle assembly. The baby carriage frame can be conveniently driven to move by a user through the handle assembly after the baby carriage frame is retracted.
Further, as shown in fig. 1, the handle assembly 8 further includes a snap ring 81, the snap ring 81 is installed at the front side of the seat frame 4 of the infant stroller frame, and the upper portion of the connection rod 83 is caught in the snap ring 81.
When the stroller frame is unfolded, the upper portion of the connecting rod 83 is caught on the snap ring 81 when the handle assembly 8 is not needed.
Optionally, the snap ring 81 may also be engaged with the handle 82. The snap ring 81 may not be provided, and when the handle assembly 8 is not required to be used, the handle assembly 8 is received in the bottom of the chassis 3 as shown in fig. 4, which will be described later.
Further, as shown in fig. 1, the rotating portion 84 is connected to the chassis 3 of the stroller frame. The rotation portion 84 is rotatable with respect to the chassis 3.
Alternatively, the rotating portion 84 may be a hinge. The hinge connects the chassis 3 and the connection rod 83, and the connection rod 83 can rotate around the hinge.
In this embodiment, as shown in fig. 7 and 10, the handle assembly 8 further includes a mounting frame 85, the mounting frame 85 is connected to the chassis 3, the rotating portion 84 is rotatably connected to the mounting frame 85, a gear portion 841 is disposed on the rotating portion 84, an elastic tooth 851 is disposed in the mounting frame 85, and the gear portion 841 is meshed with the elastic tooth 851.
Specifically, as shown in fig. 9, two mounting grooves 852 are provided in the mounting frame 85, and the mounting grooves 852 are engaged with the front side of the chassis 3 to fix the mounting frame 85.
The rotating portion 84 is rotatable relative to the mounting frame 85, and when the rotating portion 84 rotates, the gear portion 841 is driven to rotate, the gear portion 841 is meshed with the elastic teeth 851 of the mounting frame 85, and when the gear portion 841 rotates, the elastic teeth 851 retract. When the gear portion 841 stops rotating, the elastic teeth 851 protrude to hold the gear portion 841 at the angle, thereby maintaining the inclination angle of the connecting rod 83 and the handle 82.
As shown in fig. 11 to 12, the elastic teeth 851 include a tooth tip portion 851a, a positioning pin 851b, a tooth case 851c, and a spring (not shown), wherein the tooth tip portion 851a is inserted into the tooth case 851c and connected through the positioning pin 851b, a sliding groove 851d is formed in the tooth tip portion 851a, and the spring is installed in the tooth case 851c and is abutted against the tooth tip portion 851 a.
When the gear portion 841 rotates, the gear portion 841 pushes the tooth tip portion 851a to retract into the tooth case 851c, and the spring is compressed. When the gear portion 841 does not rotate, the spring pushes the tooth tip portion 851a to partially protrude from the tooth case 851c, the tooth tip portion 851a and the tooth Gu Niege of the gear portion 841, and the sliding groove 851d slides back and forth telescopically with respect to the positioning pin 851 b.
Further, as shown in fig. 7, the rotating portion 84 is further provided with an extension piece 842, the extension piece 842 is provided with a clamping groove 843, the bottom of the connecting rod 83 is provided with a first locking portion 831 that can elastically extend outwards, and when the handle assembly 8 is in the use state, the clamping groove 843 is clamped with the first locking portion 831.
Further, as shown in fig. 13, an unlocking piece 821 is provided on the handle 82,
when the handle assembly 8 is required to be folded, the unlocking piece 821 is pressed, the unlocking piece 821 can retract the first locking portion 831 into the connecting rod 83, the first locking portion 831 is disengaged from the clamping groove 843, and after the connecting rod 83 rotates to a position parallel to the chassis 4, the connecting rod slides from the rotating portion 84 in the horizontal direction toward the rear of the stroller frame. At this time, the first locking portion 831 slides rearward to the bottom of the chassis 3.
Further, as shown in fig. 7 and 13, the upper portion of the connection lever 83 is provided with a second locking portion 832 engageable with the engagement groove 843, and when the connection lever 83 slides from the rotation portion 84 in the horizontal direction toward the rear of the stroller frame, the second locking portion 832 stops sliding rearward until engaging with the engagement groove 843.
The second locking portion 832 is engaged with the locking groove 843, and can maintain the handle assembly 8 at a position where it is received under the chassis 3, preventing the handle assembly 8 from shaking or being accidentally protruded.
Further, as shown in fig. 7 and 13, an end cap 833 is connected to the lower end of the connecting rod 83 through the rotating portion 84, and the outer width of the end cap 833 is larger than the width of the middle hole of the rotating portion 84.
When the connecting rod 83 is extended, the end cap 833 prevents the connecting rod 83 from falling out of the middle hole of the rotating portion 84, and when the connecting rod 83 is retracted to the bottom of the chassis 3, the end cap 833 moves away from the rotating portion 84 toward the rear of the stroller frame.
Further, as shown in fig. 14, the seat frame 4 is provided with a coupling assembly 13, and the coupling assembly 13 is used for mounting the infant safety seat frame 17. The coupling assembly 13 is capable of mounting an infant safety seat or a sleeping basket on the seat frame 4.
Specifically, the coupling assembly 13 includes an insertion portion 131 and a fastening portion 132, the insertion portion 131 is fixed to the infant safety seat frame 17, the infant safety seat frame 17 is integrally connected to the infant car safety seat 19, and the fastening portion 132 is fixed to the seat frame 4. When the baby car safety seat is used, a user inserts the inserting part 131 into the buckling part 132, so that the connection between the baby car safety seat 19 and the seat frame 4 is realized, a baby does not need to be held out of the baby car safety seat 19 of the car, and the safety and the comfort of the baby car safety seat 19 are more suitable for the baby with the younger age. When the baby carriage is not needed, the inserting part 131 and the buckling part 132 are unlocked, and the baby car safety seat 19 and the baby are carried together on the car rear seat.
Embodiment two:
fig. 15 is a schematic structural diagram of a stroller frame according to a second embodiment of the present invention.
The structure of the second embodiment, which is basically the same as that of the first embodiment, will not be described again.
In the second embodiment, the seat frame 4 is further provided with a tray 16, and the tray 16 can be used for placing a water cup and a mobile phone.
Further, a pedal assembly 18 is mounted on the rear side of the chassis 3, a pulley is arranged at the bottom of the pedal assembly 18, and a child can stand on the pedal assembly 18 and walk on the handle 12.
Further, the handle assembly 8 includes a bracelet 88, an inner sleeve 86 and an outer sleeve 87, the bracelet 88 is a ring, and the inner sleeve 86 can extend back and forth in the outer sleeve 87 along its length direction.
When the handle assembly 8 is required to be used, the handle ring 88 is pulled to pull the inner sleeve rod 86 out of the outer sleeve 87, and the outer sleeve 87 is connected with the underframe 3. The pulling assembly 8 moves the entire stroller frame. When not needed, the inner rod 86 is retracted into the outer sleeve 87.
The foregoing is only illustrative of the principles and preferred embodiments of the present invention. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the invention and should also be considered as the scope of protection of the present invention.
Claims (9)
1. The baby stroller frame comprises a front bracket (1), a rear bracket (2), a bottom frame (3) and a seat frame (4), wherein the lower end of the front bracket is rotatably connected with the bottom frame, the lower end of the rear bracket is rotatably connected with the bottom frame,
the seat comprises a seat frame, a seat support (1) and a front support (2), and is characterized by further comprising a stay bar, wherein the upper end of the stay bar (5) is rotatably connected with the rear part of the seat frame, the lower end of the stay bar is rotatably connected with the rear support (2), the upper end of the front support is rotatably connected with the middle part of the seat frame, and the upper end of the rear support (2) can slide up and down along the front support (1);
when in an unfolding state, a triangular frame is formed among the seat frame, the stay bars and the rear support;
in the folding process, the upper end of the rear bracket slides downwards along the front bracket, and a quadrilateral frame is formed among the front bracket, the seat frame, the stay bar and the rear bracket;
the baby stroller frame further comprises a handle assembly, the upper end of the handle assembly can be clamped on the seat frame, and the lower end of the handle assembly is rotatably connected with the underframe;
the handle assembly comprises a rotating part and a mounting frame, wherein the mounting frame is connected with the underframe, the rotating part is rotatably connected with the mounting frame, a gear part is arranged on the rotating part, elastic teeth are arranged in the mounting frame, the gear part is meshed with the elastic teeth, when the gear part rotates, the elastic teeth retract, and when the gear part stops rotating, the elastic teeth extend out to keep the gear part.
2. The stroller frame of claim 1, further comprising a push rod and a sliding member, wherein the sliding member is sleeved on the front bracket and can slide up and down along the front bracket, the lower end of the push rod is inserted into the sliding member, and the upper end of the rear bracket is rotatably connected with the sliding member.
3. The stroller frame according to claim 2, wherein a protruding member is provided on a side of the pushrod facing the front bracket, and when the pushrod slides downward for a certain period, the protruding member collides with an upper end of the sliding member, and the pushrod drives the sliding member to slide downward together;
the lower extreme of push rod still is equipped with the end cap, and in the expansion process, the push rod upwards slides, works as the end cap with the lower extreme of slider is contradicted, the push rod drives the slider upwards slides together.
4. The stroller frame according to claim 2, further comprising a handle, wherein the lower end of the handle is fixedly connected to the upper end of the push rod, a locking joint is arranged between the front bracket and the push rod, the locking joint is installed in the sliding piece, and an unlocking component is arranged on the handle;
when in an unfolding state, the locking joint locks the front bracket and the push rod, and the push rod cannot slide along the front bracket;
the unlocking component can unlock the locking joint, and the push rod can slide downwards along the front bracket after unlocking to fold the baby stroller frame.
5. The stroller frame of claim 1, wherein the seat frame is a quadrilateral frame and the seat frame is configured to mount a seat pocket.
6. The stroller frame of claim 5, wherein the seat pocket comprises a main pocket and an auxiliary pocket, the main pocket is mounted on the seat frame, the auxiliary pocket is foldable at the bottom of the main pocket, and the auxiliary pocket is capable of being unfolded downward.
7. The stroller frame of claim 1, wherein the seat frame is provided with a coupling assembly for mounting an infant car safety seat.
8. The stroller frame of claim 7, wherein the coupling assembly comprises a plug-in portion and a snap-in portion, the plug-in portion being secured to the infant safety seat frame, the snap-in portion being secured to the seat frame.
9. The stroller frame of claim 1, further comprising a sunshade canopy frame, the sunshade canopy frame comprising a first canopy frame and a second canopy frame, the first canopy frame being mounted at a location downstream of the second canopy frame;
when the sun-shading cloth is unfolded, the first shed frame rotates upwards, and the second shed frame rotates forwards and is used for unfolding the sun-shading cloth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286560.0A CN110001737B (en) | 2019-04-10 | 2019-04-10 | Baby carriage frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286560.0A CN110001737B (en) | 2019-04-10 | 2019-04-10 | Baby carriage frame |
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| CN110001737A CN110001737A (en) | 2019-07-12 |
| CN110001737B true CN110001737B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910286560.0A Active CN110001737B (en) | 2019-04-10 | 2019-04-10 | Baby carriage frame |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667681B (en) * | 2019-09-20 | 2023-06-06 | 曼玛斯&帕帕斯控股有限公司 | Baby stroller and baby stroller folding method |
| CN115056844B (en) * | 2022-06-13 | 2024-02-27 | 好孩子儿童用品有限公司 | Child cart |
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| Publication number | Publication date |
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| CN110001737A (en) | 2019-07-12 |
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