CN107512300B - Children's barrow - Google Patents
Children's barrow Download PDFInfo
- Publication number
- CN107512300B CN107512300B CN201710719372.3A CN201710719372A CN107512300B CN 107512300 B CN107512300 B CN 107512300B CN 201710719372 A CN201710719372 A CN 201710719372A CN 107512300 B CN107512300 B CN 107512300B
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- CN
- China
- Prior art keywords
- seat
- locking
- rear wheel
- front wheel
- turnover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
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- 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
- B62B7/12—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy
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- 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
- B62B7/12—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy
- B62B7/126—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy into a trailer, e.g. bicycle trailer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
Abstract
The invention relates to a children's cart which comprises a folding frame, wherein a turnover front wheel assembly is arranged at the bottom of the front end of the folding frame, a turnover rear wheel assembly is arranged at the rear end of the folding frame, and when the folding frame is in an unfolded state, the front wheel assembly and the turnover rear wheel assembly are turned upwards to enable the front wheels and the rear wheels to be separated from the ground, so that the horse rocking function is realized. The invention has the beneficial effects that: the rocking horse can be realized by the overturning operation of the front wheel and the rear wheel, when the rocking horse is used as a stroller, the seat is higher, harmful substances such as automobile exhaust and dust absorbed by children when the rocking horse is taken are reduced, and the healthy growth of the children is facilitated; after being folded, the luggage can be dragged like luggage, thereby being convenient for transportation.
Description
Technical Field
The invention relates to the technical field of children products, in particular to a stroller.
Background
At present, the child stroller is required to be foldable for carrying convenience, but most of the carrying methods are carried by hands and shoulders, and few child strollers which are convenient to transport like hauling luggage are available; the distance between the seat of the common stroller and the ground is small, when the stroller is pushed on the road, the tail gas, dust and the like of the automobile are easy to be absorbed by the child sitting in the stroller, the body health of the child is influenced, and the function is single; when the baby carriage with the rocking horse function is converted into the rocking horse function, the front wheels and the rear wheels are usually turned to the side, and the realization mode is lack of novelty.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the baby stroller is provided, and the function of rocking a horse is realized by overturning the front wheel and the rear wheel, so that the dual-purpose of one stroller is realized; after being folded, the front wheel lands on the ground, and the seat cushion rod is used as a towing handle, thereby being labor-saving and convenient.
The technical scheme adopted by the invention for solving the problems is as follows:
a children's cart comprises a folding frame, wherein a turnover front wheel assembly 1 is arranged at the bottom of the front end of the folding frame, a turnover rear wheel assembly 2 is arranged at the rear end of the folding frame, and when the folding frame is in an unfolded state, the front wheel assembly 1 and the turnover rear wheel assembly 2 are turned upwards to enable the front wheels and the rear wheels to leave the ground, so that a horse rocking function is realized.
The foldable frame include push rod assembly 3, preceding support assembly 4, after-poppet 5, bracing piece 6, seatpad pole subassembly 7 and connecting rod 8, the both ends of bracing piece 6 are articulated with 3 bottoms of push rod assembly and after-poppet 5 respectively, 5 one ends of after-poppet are articulated with upset front wheel subassembly 1, upset rear wheel subassembly 2 is connected to the 5 other ends of after-poppet, 4 upper ends of preceding support assembly articulate in 3 lower parts of push rod assembly, upset front wheel subassembly 1 is connected to 4 lower extremes of preceding support assembly, the both ends of connecting rod 8 are articulated with 3 lower parts of push rod assembly and seatpad pole subassembly 7 middle sections respectively, seatpad pole subassembly 7 is articulated with preceding support assembly 4, 3 ends of push rod assembly are provided with the locking device 9 with foldable frame locking at expansion state and fold condition, after-poppet 5.
The turnover front wheel assembly 1 comprises a front wheel fixing seat 17, a front wheel turnover seat 18, a fixing column 21, a first locking pin 22, a limiting block 23, a first return spring 24 and a limiting sleeve 25, wherein the limiting sleeve 25 is arranged in the middle of the front wheel fixing seat 17, the right end of the limiting sleeve 25 is provided with a pin hole 26, the right end of the middle part of the front wheel fixing seat 17 is provided with a locking groove 27, the limiting sleeve 25 is communicated with the locking groove 27 through the pin hole 26, the left end of the first locking pin 22 is arranged in the limiting sleeve 25, the right end of the first locking pin 22 passes through the pin hole 26 to be connected with the left end of the fixed column 21, the right end of the fixed column 21 is fixedly arranged on the front wheel overturning seat 18, the fixed column 21 is arranged in the locking groove, the left end of the first locking pin 22 is provided with a limiting piece 28, the limiting block 23 and the first return spring 24 are sleeved on the first locking pin 22, the left end of the first return spring 24 is fixedly connected with the limiting block 23, and the right end of the first return spring 24 is connected with the front wheel fixing seat 17 at the pin hole 26.
The front wheel fixing seat 17 is a V-shaped seat, the opening of the front wheel fixing seat 17 is towards the left, the upper end of the left side of the front wheel fixing seat 17 is connected with the front support 16, the lower end of the left side of the front wheel fixing seat 17 is connected with the rear support 5, the front wheel fixing seat and the front wheel overturning seat are opposite, and the overturning of wheels is not influenced.
The lower side of the front wheel overturning seat 18 is provided with a front wheel.
The tangent plane of the fixed column 21 is a polygon, and the polygon is vertically symmetrical and bilaterally symmetrical to prevent the wheel from turning over.
The locking groove 27 is a polygonal locking groove 27 matched with the fixing column 21, and the wheel is prevented from overturning.
In the process of converting the function of the baby stroller to the function of the rocking horse, the overturning seat is pulled in the direction away from the fixed seat to unlock the overturning seat, and then the overturning seat rotates 180 degrees around the shaft to release the hand, so that the fixed column is clamped in the locking groove of the fixed seat under the action of the restoring force of the spring, and the purpose of upwards overturning the wheels is realized; in-process to the conversion of children's shallow function by rocking horse function, will overturn the seat and to the direction pulling of keeping away from the fixing base, make it relieve the locking, again around the rotatory 180 degrees hands of releasing of axle, make the upset seat under the effect of spring restoring force, the fixed column card is in fixing base locking inslot to realize the purpose of the upwards upset of wheel. The structure is simple, the operation is convenient, and the conversion from the function of the baby carriage to the function of the rocking horse is conveniently realized; when the rocking horse function is used, the wheels are positioned right below the upper side vehicle body, so that the action of a caregiver is not influenced, and the children can get on or off the vehicle by themselves; the polygonal fixing column is clamped in the polygonal locking groove, so that rotation is prevented, and locking is firm.
Upset rear wheel subassembly 2 include rear wheel fixing base 11, rear wheel upset seat 10, apron 30, fastening pin 31 and two 32 locking device, 11 right-hand members of rear wheel fixing base set up inside rear wheel upset seat 10 left ends, rear wheel upset seat 10 front sides sets up apron 30, rear wheel fixing base 11, rear wheel upset seat 10, apron 30 pass through fastening pin 31 and connect, and fastening pin 31 is located the nearly left end of rear wheel upset seat 10, locking chamber 33 is seted up to rear wheel upset seat 10 right-hand members, and spacing mouthful 34 is seted up to locking chamber 33 left side anterior segment, 11 right-hand members of rear wheel fixing base front side sets up spacing card 35, and spacing card 35 is located spacing mouthful 34, sets up two 32 locking device in the locking chamber 33, and spacing card 35 card is established on two 32 upsides of locking device.
The upper side of the rear wheel fixing seat 11 is provided with a limiting rib 36.
The rear wheel fixing seat 11 is connected with the cart frame.
A limit plate 37 is arranged on the upper side of the rear wheel overturning seat 10.
The right end of the rear wheel overturning seat 10 is provided with a rear wheel 12, and the rear wheel 12 is arranged at the rear side of the right end of the rear wheel overturning seat 10.
The fastening pin 31 sequentially passes through the rear side wall of the rear wheel overturning seat 10, the rear wheel fixing seat 11, the front side wall of the rear wheel overturning seat 10 and the cover plate 30, so that the rear wheel fixing seat 11, the rear wheel overturning seat 10 and the cover plate 30 are fixedly connected.
The second locking device 32 comprises a second locking pin 38, a second locking block 39 and a second return spring 40, the rear section of the second locking pin 38 is arranged in the locking cavity 33, the front section of the second locking pin 38 penetrates through the cover plate 30 and is arranged on the front side of the cover plate 30, the second locking pin 38 is provided with the second locking block 39, the locking block 39 is located in the locking cavity 33, the second return spring 40 is sleeved on the second locking pin 38, the rear end of the second return spring 40 is connected with the rear side wall of the rear wheel overturning seat 10, and the front end of the second return spring 40 is connected with the second locking block 39.
The lower side of the limiting clamp 35 is provided with a clamping groove 41 matched with the locking block 39, the limiting clamp 35 is clamped on the upper side of the locking block 39, and the locking block 39 is located in the clamping groove 41 to prevent the overturning seat from rotating.
When the stroller is in a functional state, the locking block on the second locking device is positioned in the clamping groove on the lower side of the limiting clamp, and the wheels cannot be turned upwards and locked; when the child stroller is switched from the rocking horse function to the pushing function, the locking device II is pressed inwards to compress the return spring II, the locking block is separated from the clamping groove to be locked, and then the locking block is turned upwards to release the locking; when the upset seat is rotatory to the fixing base upside, locking device two resets under the effect of two restoring forces of reset spring, and the locking piece card is established on spacing card side, and the spacing board of upset seat upside is detained and is supported on the spacing muscle of fixing base upside to realize the purpose of the upwards upset of wheel. The structure is simple, the operation is convenient, and the conversion from the function of the baby carriage to the function of the rocking horse is conveniently realized; when the rocking horse function is used, the wheels are positioned right below the upper side vehicle body, so that the action of a caregiver is not influenced, and the children can get on or off the vehicle by themselves; the locking block is positioned in the clamping groove at the lower side of the limiting clamp, so that the overturning seat is prevented from rotating to influence the stability of the vehicle; the locking block card is established on the last side of spacing card after the upset, and spacing board is detained and is supported on the spacing muscle of fixing base upside, prevents that the upset seat after the upset from rotating, influences the stability of car.
The push rod assembly 3 comprises a push rod 13 and an upper joint 14, the lower part of the push rod 13 is fixedly provided with the upper joint 14, the upper joint 14 is respectively hinged with the front support assembly 4 and the connecting rod 8, and the tail end of the push rod 13 is hinged with the supporting rod 6.
The front support assembly 4 comprises a lower joint 15 and a front support 16; two ends of the front bracket 16 are respectively connected with the lower joint 15 and the bracket connecting piece 17, and the other end of the lower joint 15 is hinged on the upper joint 14.
The seat cushion rod assembly 7 comprises a sleeve 19 and a seat cushion rod 20, the sleeve 19 is sleeved in the middle of the seat cushion rod 20, and the seat cushion rod 20 is hinged with the connecting rod 8 and the front bracket 16 respectively.
The seat cushion rod 20 is U-shaped, and the sleeve 19 is sleeved at the middle position of the seat cushion rod 20 and is used as a pull rod of the luggage barrow after the stroller is folded.
The first locking device 9 is positioned in the push rod 13, the lower joint 15 is provided with a limit groove matched with the first locking device, the first locking device slides up and down along the sliding groove in the push rod 13 under the action of an elastic device, and when the frame is completely unfolded, the tail end of the first locking device 9 enters the limit groove of the lower joint 15 to realize frame locking; and pulling the first locking device 9 upwards to enable the tail end of the first locking device 9 to be separated from the limiting groove of the lower joint 15, and overturning the push rod 13 forwards to realize the folding of the frame.
The elastic device is generally a pressure spring, the upper end of the elastic device is propped against a fastener rigidly connected with the push rod 13, and the lower end of the elastic device is propped against the upper end of the first locking device 9; the first locking device 9 is pulled upwards through a certain operation mode (such as a pull rope, a steel wire, a rigid connecting piece and the like), so that the pressure spring is contracted to store energy, the first locking device 9 is released, the stored energy of the pressure spring is released, and the first locking device 9 moves forwards along the sliding groove of the push rod 13.
The fastener is one of a rivet, a pin shaft or a screw.
The working principle of the invention is as follows: when the stroller is used as a stroller, the push rod and the front support are straight pipes in the side view direction and are parallel to each other when the frame is in the unfolded state, and the front support is positioned above the push rod; after the front wheel and the rear wheel are turned over to the upper part, the rear support is used as a rocker to swing back and forth.
The front wheel fixing seat is connected with the front wheel overturning seat through a sliding groove; the rear wheel overturning seat is rotationally connected with the rear wheel fixing seat through a pivot; when the stroller is in an unfolded state and the rocking function is realized, the front wheel overturning seat is pulled forwards relative to the front wheel fixing seat, so that the front wheel overturning seat and the front wheel fixing seat are unlocked, then overturned upwards for 180 degrees and released, and the front wheel overturning seat automatically resets under the action of the elastic device and is locked with the front wheel fixing seat again; the rear wheel overturning seat rotates around the connecting pivot relative to the rear wheel fixing seat to drive the wheels to overturn upwards for a certain angle, so that the wheels are separated from the ground, and the rear support is in contact with the plane, so that the conversion from the function of the baby stroller to the function of the rocking horse can be realized.
The invention has the beneficial effects that: the rocking horse can be realized by the overturning operation of the front wheel and the rear wheel, when the rocking horse is used as a stroller, the seat is higher, harmful substances such as automobile exhaust and dust absorbed by children when the rocking horse is taken are reduced, and the healthy growth of the children is facilitated; after being folded, the luggage can be dragged like luggage, thereby being convenient for transportation.
Drawings
FIG. 1 is a schematic perspective view of the stroller of the present invention in a deployed position;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic perspective view of the stroller of the present invention in a rocking horse configuration;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic perspective view of the stroller of the present invention in a semi-folded state;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a perspective view of the stroller of the present invention in a folded configuration;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a schematic structural view of the inverted front wheel assembly;
FIG. 10 is a schematic structural view of a rollover process of the front wheel assembly;
FIG. 11 is a schematic diagram of the inverted front wheel assembly in an inverted configuration;
FIG. 12 is a schematic structural view of the inverted rear wheel assembly;
FIG. 13 is a reference view showing a state where the rear wheel assembly is turned over;
FIG. 14 is a schematic structural view of the inverted rear wheel assembly during inversion;
FIG. 15 is a rear-wheel-assembly-flipped-over state reference view;
fig. 16 is a schematic diagram of the structure of the wheel assembly after being turned.
Wherein 1-overturn front wheel assembly, 2-overturn rear wheel assembly, 3-push rod assembly, 4-front wheel support assembly, 5-rear wheel support, 6-support rod, 7-seat cushion rod assembly, 8-connecting rod, 9-locking device one, 10-rear wheel overturn seat, 11-rear wheel fixing seat, 12-rear wheel, 13-push rod, 14-lower joint, 15-upper joint, 16-front support, 17-front wheel fixing seat, 18-front wheel overturn seat, 19-sleeve, 20-seat cushion rod, 21-fixing column, 22-locking pin one, 23-limiting block, 24-reset spring one, 25-limiting sleeve, 26-pin hole, 27-locking groove, 28-limiting block, 29-front wheel, 30-cover plate, 31-fastening pin, 32-second locking device, 33-locking cavity, 34-limiting port, 35-limiting clamp, 36-limiting rib, 37-limiting plate, 38-second locking pin, 39-locking block, 40-second return spring and 41-clamping groove.
Detailed Description
The following further describes the implementation of the invention with reference to the attached drawings.
Referring to fig. 1 to 16, the stroller according to the present embodiment includes a frame having an unfolded state and a folded state, a front wheel assembly (1), a rear wheel assembly (2), and a first locking device (9) for locking the frame in the unfolded state and the folded state; the bicycle frame comprises a push rod assembly (3), a front support assembly (4), a rear support (5), a seat cushion rod assembly (7), a support rod and a connecting rod (8). The push rod assembly (3) comprises a push rod (13) and an upper joint (14), and the push rod (13) is rigidly connected with the upper joint (14); the front support assembly (4) comprises a lower joint (15), a front support (16), a front wheel fixing seat (17) and a front wheel overturning seat (18); two ends of the front bracket (16) are respectively connected with the lower joint (15); the rear wheel assembly (2) comprises a rear wheel overturning seat (10), a rear wheel fixing seat (11) and wheels (12), wherein the rear wheel overturning seat (10) is respectively in rotating connection with the rear wheel fixing seat (11) and the wheels (12) through pivots; the seat cushion rod component (7) comprises a sleeve (19) and a seat cushion rod (20), wherein the sleeve (19) is positioned in the middle of the seat cushion rod (20) and is rigidly connected with the seat cushion rod; the method is characterized in that: the push rod assembly (3) is respectively in rotating connection with the front support assembly (4) and the connecting rod (8) through pivots; the front support assembly (4) is rotatably connected with the rear support (5) through a pivot; the seat cushion rod assembly (7) is respectively connected with the connecting rod (8) and the front bracket assembly (4) in a rotating way through pivots; the supporting rod (6) is respectively connected with the push rod component (3) and the rear bracket (5) in a rotating way through a pivot; when the frame is in an unfolded state, the front wheel assembly (1) and the rear wheel assembly (2) are turned upwards to enable the front wheels and the rear wheels to leave the ground, so that the function of rocking a horse is realized; the first locking device (9) is positioned in the push rod assembly (3), and when the frame is folded, the first locking device (9) slides upwards to unlock the first locking device (9) and the front support assembly (4), so that the push rod assembly (3) rotates forwards; when the bicycle frame is folded, the seat cushion rod component (7) is used as a handle, and the front wheels are grounded and pulled like a luggage van.
When the stroller is used as a stroller, when the frame is in an unfolded state, the push rod (13) and the front support (16) are straight pipes in the side view direction and are parallel to each other, and the front support (16) is positioned above the push rod (13); the rear support (5) is arc-shaped in the side view direction, and after the front wheel and the rear wheel are turned over to the upper side, the rear support (5) swings back and forth as a rocker.
The upper joint (14) is rotationally connected with the lower joint (15) through a pivot; the rocker (13) is respectively connected with the connecting rod (8) and the supporting rod (6) in a rotating way through a pivot, and the joint of the rocker (13) and the supporting rod (6) is positioned below the joint of the rocker (13) and the connecting rod (8);
the seat cushion rod (20) is respectively connected with the front bracket (16) and the connecting rod (8) in a rotating way through a pivot, and the joint of the seat cushion rod (20) and the front bracket (16) is positioned in front of the joint of the seat cushion rod (20) and the connecting rod (8);
the rear support (5) is respectively connected with the front wheel fixing seat (17) and the support rod (6) in a rotating way through a pivot, and the joint of the rear support (5) and the front wheel fixing seat (17) is positioned in front of the joint of the rear support (5) and the support rod (6);
the front wheel fixing seat (17) is connected with the front wheel overturning seat (18) through a sliding groove; the rear wheel overturning seat (10) is rotationally connected with a rear wheel fixing seat (11) through a pivot; when the stroller is in an unfolded state and the rocking horse function is realized, the front wheel overturning seat (18) is pulled forwards relative to the front wheel fixing seat (17) to unlock the front wheel overturning seat (18) and the front wheel fixing seat (17), and then overturned upwards by 180 degrees and released, the front wheel overturning seat (18) automatically resets under the action of the elastic device and is locked with the front wheel fixing seat (17) again; the rear wheel overturning seat (10) rotates around the connecting pivot relative to the rear wheel fixing seat (11) to drive the wheels (12) to overturn upwards for a certain angle, so that the wheels (12) are separated from the ground, and the rear support (5) is in contact with the plane, so that the function of the baby carriage is converted into the function of a rocking horse.
The seat cushion rod (20) is U-shaped, the sleeve (19) is sleeved in the middle of the seat cushion rod (20), and the seat cushion rod is used as a pull rod of the luggage van after the child stroller is folded;
the first locking device (9) is positioned in the push rod (13) and slides up and down along the sliding groove of the push rod (13) under the action of the elastic device, and when the frame is completely unfolded, the tail end of the first locking device (9) enters the limiting groove of the lower joint (15) to lock the frame; and (3) pulling the first locking device (9) upwards to enable the tail end of the first locking device (9) to be separated from the limiting groove of the lower joint (15), and overturning the push rod (13) forwards to realize the folding of the frame.
The elastic device is generally a pressure spring, the upper end of the elastic device is propped against a fastener (a rivet, a pin shaft, a screw and the like) rigidly connected with the push rod (13), and the lower end of the elastic device is propped against the upper end of the first locking device (9); the first locking device (9) is pulled upwards through a certain operation mode (such as a pull rope, a steel wire, a rigid connecting piece and the like), so that the compressed spring is contracted to store energy, the first locking device (9) is released, the stored energy of the compressed spring is released, and the first locking device (9) moves forwards along the sliding groove of the push rod (13).
The specific implementation of the present invention is not intended to be limiting, and all similar structures and variations using the present invention are within the scope of the present invention.
Claims (7)
1. A stroller, characterized in that: the rocking horse comprises a folding frame, wherein a front wheel assembly (1) is arranged at the bottom of the front end of the folding frame, a rear wheel assembly (2) is arranged at the rear end of the folding frame, and when the folding frame is in an unfolded state, the front wheel assembly (1) and the rear wheel assembly (2) are turned upwards to enable the front wheels and the rear wheels to leave the ground, so that the rocking horse function is realized; the foldable frame comprises a push rod component (3), a front support component (4), a rear support (5), a support rod (6), a seat cushion rod component (7) and a connecting rod (8), wherein two ends of the support rod (6) are respectively hinged with the bottom end of the push rod component (3) and the rear support (5), one end of the rear support (5) is hinged with the front turnover wheel component (1), the other end of the rear support (5) is connected with a rear turnover wheel component (2), the upper end of the front support component (4) is hinged with the lower part of the push rod component (3), the lower end of the front support component (4) is connected with the front turnover wheel component (1), two ends of the connecting rod (8) are respectively hinged with the lower part of the push rod component (3) and the middle section of the seat cushion rod component (7), the seat cushion rod component (7) is hinged with the front support component (4), the rear bracket (5) is a circular arc-shaped rear bracket; the turnover front wheel assembly (1) comprises a front wheel fixing seat (17), a front wheel turnover seat (18), a fixing column (21), a first locking pin (22), a limiting block (23), a first return spring (24) and a limiting sleeve (25), wherein the limiting sleeve (25) is arranged in the middle of the front wheel fixing seat (17), a pin hole (26) is formed in the right end of the limiting sleeve (25), a locking groove (27) is formed in the right end of the middle of the front wheel fixing seat (17), the limiting sleeve (25) is communicated with the locking groove (27) through the pin hole (26), the left end of the first locking pin (22) is arranged in the limiting sleeve (25), the right end of the first locking pin (22) penetrates through the pin hole (26) to be connected with the left end of the fixing column (21), the right end of the fixing column (21) is fixedly arranged on the front wheel turnover seat (18), the fixing column (21) is arranged in the locking groove (, the limiting block (23) and the first reset spring (24) are sleeved on the first locking pin (22), the left end of the first reset spring (24) is fixedly connected with the limiting block (23), and the right end of the first reset spring (24) is connected with the front wheel fixing seat (17) at the pin hole (26).
2. A stroller according to claim 1, wherein: the front wheel fixing seat (17) is a V-shaped seat, the opening of the front wheel fixing seat (17) is towards the left, the upper end of the left side of the front wheel fixing seat (17) is connected with the front bracket (16), and the lower end of the left side of the front wheel fixing seat is connected with the rear bracket (5); the side opposite to the front wheel overturning seat does not influence the overturning of the wheels.
3. A stroller according to claim 2, wherein: the turnover rear wheel assembly (2) comprises a rear wheel fixing seat 11, a rear wheel turnover seat (10), a cover plate (30), a fastening pin (31) and a second locking device (32), wherein the right end of the rear wheel fixing seat 11 is arranged inside the left end of the rear wheel turnover seat (10), the cover plate (30) is arranged on the front side of the rear wheel turnover seat (10), the rear wheel fixing seat 11, the rear wheel turnover seat (10) and the cover plate (30) are connected through the fastening pin (31), the fastening pin (31) is positioned at the position, close to the left end, of the rear wheel turnover seat (10), the right end of the rear wheel overturning seat (10) is provided with a locking cavity (33), the front section of the left side of the locking cavity (33) is provided with a limiting opening (34), the front side of the right end of the rear wheel fixing seat 11 is provided with a limiting clamp (35), the limiting clamp (35) is positioned in a limiting opening (34), a second locking device (32) is arranged in a locking cavity (33), and the limiting clamp (35) is clamped on the upper side of the second locking device (32).
4. A stroller according to claim 3, wherein: the second locking device (32) comprises a second locking pin (38), a second locking block (39) and a second return spring (40), the rear section of the second locking pin (38) is arranged in the locking cavity (33), the front section of the second locking pin (38) penetrates through the cover plate (30) and is arranged on the front side of the cover plate (30), the second locking pin (38) is provided with the second locking block (39), the second locking block (39) is located in the locking cavity (33), the second return spring (40) is sleeved on the second locking pin (38), the rear end of the second return spring (40) is connected with the rear side wall of the rear wheel overturning seat (10), and the front end of the second return spring (40) is connected with the second locking block (39).
5. The stroller of claim 4, wherein: push rod subassembly (3) are including push rod (13) and last joint (14), push rod (13) lower part is fixed with joint (14), go up joint (14) respectively with preceding support subassembly (4) with connecting rod (8) are articulated, push rod (13) end is articulated with bracing piece (6).
6. The stroller of claim 5, wherein: the front support assembly (4) comprises a lower joint (15) and a front support (16); two ends of the front support (16) are respectively connected with the lower joint (15) and the front wheel fixing seat (17), and the other end of the lower joint (15) is hinged to the upper joint (14).
7. The stroller of claim 6, wherein: the seat cushion rod assembly (7) comprises a sleeve (19) and a seat cushion rod (20), the sleeve (19) is sleeved at the middle position of the seat cushion rod (20), and the seat cushion rod (20) is hinged to the connecting rod (8) and the front support (16) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719372.3A CN107512300B (en) | 2017-08-21 | 2017-08-21 | Children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719372.3A CN107512300B (en) | 2017-08-21 | 2017-08-21 | Children's barrow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107512300A CN107512300A (en) | 2017-12-26 |
| CN107512300B true CN107512300B (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710719372.3A Active CN107512300B (en) | 2017-08-21 | 2017-08-21 | Children's barrow |
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| Country | Link |
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| CN (1) | CN107512300B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3819188B1 (en) * | 2018-07-05 | 2023-11-08 | Unique Product & Design Co., Ltd. | Movable carrier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4019751A (en) * | 1974-05-30 | 1977-04-26 | Combi Co., Ltd. | Multi-purpose infant's wheeled chair |
| CN201545036U (en) * | 2009-10-31 | 2010-08-11 | 袁伯权 | Baby carriage capable of swinging |
| CN201856794U (en) * | 2010-04-19 | 2011-06-08 | 中山市隆成日用制品有限公司 | Working condition convertible infant vehicle |
| CN203739948U (en) * | 2014-01-07 | 2014-07-30 | 苏州贝奇儿童用品有限公司 | Swingable baby stroller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2399322B (en) * | 2003-03-14 | 2006-02-01 | Kenny Cheng | Stroller |
-
2017
- 2017-08-21 CN CN201710719372.3A patent/CN107512300B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4019751A (en) * | 1974-05-30 | 1977-04-26 | Combi Co., Ltd. | Multi-purpose infant's wheeled chair |
| CN201545036U (en) * | 2009-10-31 | 2010-08-11 | 袁伯权 | Baby carriage capable of swinging |
| CN201856794U (en) * | 2010-04-19 | 2011-06-08 | 中山市隆成日用制品有限公司 | Working condition convertible infant vehicle |
| CN203739948U (en) * | 2014-01-07 | 2014-07-30 | 苏州贝奇儿童用品有限公司 | Swingable baby stroller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107512300A (en) | 2017-12-26 |
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Denomination of invention: A children's cart Effective date of registration: 20211029 Granted publication date: 20200714 Pledgee: Industrial and Commercial Bank of China Limited Weishan sub branch Pledgor: SHANDONG LEGEND BABY CHILDREN PRODUCTS Co.,Ltd. Registration number: Y2021980011599 |