CN112623086B - A children's car - Google Patents
A children's car Download PDFInfo
- Publication number
- CN112623086B CN112623086B CN202110072756.7A CN202110072756A CN112623086B CN 112623086 B CN112623086 B CN 112623086B CN 202110072756 A CN202110072756 A CN 202110072756A CN 112623086 B CN112623086 B CN 112623086B
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- Prior art keywords
- rod
- seat
- connecting part
- front connecting
- steering
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- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 description 12
- 230000005484 gravity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
- B62K9/02—Tricycles
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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
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/20—Handle bars; Handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
本发明公开了一种儿童车，包括支撑座，支撑座上连接有能相对其转动的转向组件，转向组件包括能相对支撑座转动的转向杆，转向杆下端连接有前轮，前轮上连接有脚踏板，转向杆上端连接有转向把，儿童车还包括能供乘坐的支撑架，支撑架具有前连接部和后连接部，前连接部与转向杆连接，后连接部连接有后轮，支撑架与支撑座之间还设有与二者活动连接的传动件，并且前连接部在转向杆上的停留位置包括位于转向杆上侧的上侧位和位于上侧位下方的下侧位，当前连接部停留在下侧位时，儿童车处于展开状态，当前连接部停留在上侧位时，儿童车处于收合状态。本发明结构简洁，操作方便，折叠后体积小。
The invention discloses a baby stroller, comprising a support seat, a steering assembly that can rotate relative to the support seat is connected to the support seat, the steering assembly comprises a steering rod that can rotate relative to the support seat, a front wheel is connected to the lower end of the steering rod, a foot pedal is connected to the front wheel, a steering handle is connected to the upper end of the steering rod, and the baby stroller also comprises a support frame for riding, the support frame comprises a front connecting part and a rear connecting part, the front connecting part is connected to the steering rod, the rear connecting part is connected to the rear wheel, a transmission member that is movably connected to the support frame and the support seat is further provided, and the stop position of the front connecting part on the steering rod comprises an upper side position located on the upper side of the steering rod and a lower side position located below the upper side position, when the front connecting part stops at the lower side position, the baby stroller is in an unfolded state, and when the front connecting part stops at the upper side position, the baby stroller is in a folded state. The invention has a simple structure, is easy to operate, and has a small volume after folding.
Description
[ Field of technology ]
The present invention relates to a child's vehicle.
[ Background Art ]
Children's carriages have become a common product in the course of child growth. Child carriages currently on the market can be unfolded or folded generally. In the unfolded state, the child rides the child car and plays, and in the folded state, the child car is convenient for users to carry or store. However, the conventional baby carriage has a complex structure, is inconvenient to fold and has a large volume after being folded.
The present invention has been made in view of the above drawbacks.
[ Invention ]
The invention aims to overcome the defects of the prior art and provide the baby carrier which is simple in structure, convenient to operate and small in size after being folded.
The invention is realized by the following technical scheme:
A child's vehicle movable from an extended position to a collapsed position after unlocking a locking device, characterized by: including supporting seat 1, supporting seat 1 on be connected with the steering assembly 2 that can rotate relative to it, steering assembly 2 include can rotate relative supporting seat 1 steering rod 21, steering rod 21 lower extreme be connected with front wheel 22, front wheel 22 on be connected with pedal 23, steering rod 21 upper end be connected with steering handle 24, the child's bike still include the support frame 3 that can supply to take, support frame 3 have front connecting portion 31 and back connecting portion 32, front connecting portion 31 be connected with steering rod 21, back connecting portion 32 be connected with rear wheel 33, support frame 3 and supporting seat 1 between still be equipped with two swing joint's driving medium 4 to front connecting portion 31 be located the upside position of steering rod 21 and be located the downside position of upside below, when current connecting portion 31 is in the downside position, the child's bike be in the state of expanding, when current connecting portion 31 is stopped in the upside position, the child's bike is in the state of folding.
A child's vehicle as defined above, wherein: the front connecting part 31 is connected with the steering rod 21 through the sliding part 5, the sliding part 5 is slidingly connected with the steering rod 21 so that the front connecting part 31 can be switched between an upper position and a lower position, and the front connecting part 31 is rotationally connected with the sliding part 5.
A child's vehicle as defined above, wherein: the transmission part 4 comprises a transmission rod 41, one end of the transmission rod 41 is rotationally connected with the supporting seat 1, and the other end of the transmission rod is rotationally connected with the supporting frame 3.
A child's vehicle as defined above, wherein: the support 3 comprises a support rod 34, the front connecting part 31 and the rear connecting part 32 are arranged on the support rod 34, the support 3 further comprises a seat part 35 which is rotatably connected with the support rod 34 and can automatically close to the support rod 34 to be folded when the front connecting part 31 moves from the lower side to the upper side, and a locking part 36 for locking the relative position of the seat part 35 and the support rod 34 when the front connecting part 31 is positioned at the lower side is arranged between the seat part 35 and the support rod 34.
A child's vehicle as defined above, wherein: the latch component 36 comprises a latch groove 361 arranged on the support rod 34, a sliding block 362 capable of transversely sliding in the latch groove 361 is arranged on the seat part 35, a latch pin 363 capable of being clamped with or separated from the latch groove 361 is arranged on the sliding block 362, a first return spring 364 capable of pushing the sliding block 362 to return is also arranged in the seat part 35, the transmission piece 4 comprises a transmission rod 41, one end of the transmission rod 41 is rotationally connected with the support seat 1, the other end of the transmission rod 41 is rotationally connected with the support rod 34, an opening positioning groove 365 capable of keeping the latch pin 363 in the latch groove 361 when the baby carrier is in a unfolding state is arranged on the transmission rod 41, and an arc-shaped surface 366 capable of pushing the latch pin 363 out of the latch groove 361 when the front connecting part 31 moves upwards from the lower side is also arranged on the transmission rod 41.
A child's vehicle as defined above, wherein: the transmission piece 4 comprises a transmission rod 41, one end of the transmission rod 41 is rotationally connected with the supporting seat 1, the other end of the transmission rod 41 is rotationally connected with the supporting rod 34, the locking device comprises a locking groove 61 arranged on the transmission rod 41, a locking pin 62 which can slide in the locking groove and can be clamped with or separated from the locking groove 61 is arranged on the supporting rod 34, a rotating handle 63 which can rotate relative to the supporting rod 34 is further connected to the position of the front connecting part 31, a stay cable 64 which is connected with the rotating handle 63 and the locking pin 62 and can pull the locking pin 62 to be separated from the locking groove 61 when the rotating handle 63 rotates is arranged between the rotating handle 63 and the locking pin 62, a second reset spring 65 which can push the locking pin 62 to reset is further arranged in the supporting rod 34, and a reset torsion spring 66 which is used for resetting the rotating handle 63 is further arranged between the rotating handle 63 and the supporting rod 34.
A child's vehicle as defined above, wherein: the seat part 35 includes a seat base 351 and a seat plate 352 detachably coupled to the seat base 351, the seat base 351 is rotatably coupled to the support rod 34, and the latch member 36 is disposed between the seat base 351 and the support rod 34.
A child's vehicle as defined above, wherein: the seat part 35 is connected with a backrest 37 which can rotate relative to the seat part, and the backrest 37 is connected with a surrounding frame 38 which can rotate relative to the backrest.
A child's vehicle as defined above, wherein: the seat part 35 on be equipped with draw-in groove 71, back 37 on be connected with can reciprocate and can with draw-in groove 71 block 72 block or break away from, back 37 in still be equipped with the third reset spring that can promote cardboard 72 reset, enclose and be equipped with draw-in hole 81 on the frame 38, back 37 in be equipped with can in its lateral shifting and can with draw-in hole 81 block or break away from bayonet lock 82, bayonet lock 82 on be connected with movable block 83, movable block 83 on be equipped with chute 84, back 37 on be equipped with exposed button 85, button 85 on be equipped with wear to establish in chute 84 and can promote movable block 83 lateral shifting's promotion pin 86 when button 85 moves down, back 37 in still be equipped with the fourth reset spring 87 that can promote movable block 83 reset.
A child's vehicle as defined above, wherein: the support bar 34 is V-shaped and has two rear connecting portions 32 and two corresponding rear wheels 33, and the support bar 34 is provided with a transverse bar 39.
Compared with the prior art, the invention has the following advantages:
1. The stay position of the front connecting part of the support frame on the steering rod comprises an upper side position positioned at a higher position and a lower side position positioned below the upper side position, when the front connecting part is positioned at the lower side position, the baby carrier is in an unfolding state, and when the front connecting part is positioned at the upper side position, the baby carrier is in a folding state, and at the moment, the support frame and the transmission piece are both close to the steering rod, and the volume is small after folding. The whole baby carrier structure comprises a supporting seat, a steering assembly, a supporting frame and a transmission piece, the structure is simple, the unfolding or folding operation is only required to switch the stay position of the front connecting part on the supporting frame on the steering rod, and the operation is very convenient and fast.
2. The steering rod is connected with the sliding piece which can slide relatively to the steering rod, and the front connecting part is rotationally connected to the sliding piece, so that the switching between the upper side position and the lower side position of the front connecting part on the steering rod is realized through the sliding of the sliding piece on the steering rod in the unfolding or folding process of the baby carrier, and the unfolding or folding process of the baby carrier is very stable and reliable and flexible to fold and fold.
3. The transmission piece comprises the transmission rod, one end of the transmission rod is rotationally connected with the supporting seat, and the other end of the transmission rod is rotationally connected with the supporting frame, so that when the baby carrier is in an unfolding state, the transmission rod, the steering rod and the supporting frame form a triangular structure, the structure of the baby carrier is stable, the transmission rod, the supporting seat and the supporting frame are relatively rotated to be close to the steering rod in the process that the front connecting part moves from the lower side to the upper side, folding is realized, the transmission rod is always connected with the supporting frame in the folding process of the supporting frame, and flexible folding of the supporting frame is ensured.
4. The support frame comprises the support rod and the seat part rotatably connected with the support rod, and the seat part can enable children to sit more comfortably. And when the baby carrier is folded, the seat part automatically rotates relative to the support rod to be folded on the support rod when the support rod is folded towards the steering rod, so that the occupied space is small after the baby carrier is folded, and the seat part automatically folds, so that the folding operation of the baby carrier is simple, convenient and quick.
5. When the baby carrier is folded, the front connecting part moves from the lower side to the upper side, the transmission rod rotates relative to the support rod in the process, the arc-shaped surface on the transmission rod pushes the locking pin in the rotating process, the locking pin withdraws from the locking groove on the support rod and the opening positioning groove on the transmission rod, the seat part and the support rod are unlocked, and at the moment, the seat part automatically rotates towards the support rod to be folded due to gravity, so that the baby carrier is simple, convenient and quick to fold, and the whole structural design is very ingenious.
6. The folding type folding luggage rack is simple in structure, convenient to unfold or fold, small in size after folding, convenient to carry, capable of being placed in an automobile trunk and an airplane luggage rack, and suitable for popularization and application.
[ Description of the drawings ]
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is a side view of embodiment 1 of the present invention in an expanded state;
FIG. 3 is a sectional view showing an expanded state of embodiment 1 of the present invention;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is an exploded view of embodiment 1 of the present invention;
FIG. 6 is a side view of embodiment 1 of the present invention during folding;
FIG. 7 is a side view showing a folded state of embodiment 1 of the present invention;
fig. 8 is a sectional view showing a folded state of embodiment 1 of the present invention;
fig. 9 is an enlarged view at B in fig. 8;
FIG. 10 is a side view of embodiment 2 of the present invention;
FIG. 11 is a perspective view of a component of embodiment 2 of the present invention;
FIG. 12 is one of the sectional views of the components of embodiment 2 of the present invention;
FIG. 13 is a second cross-sectional view of the component of embodiment 2 of the present invention;
fig. 14 is a side view of the folded state of embodiment 2 of the present invention.
[ Detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
Example 1:
As shown in fig. 1 to 9, a child car can move from an unfolding position to a folding position after unlocking a locking device, and comprises a supporting seat 1, wherein a steering assembly 2 capable of rotating relative to the supporting seat 1 is connected to the supporting seat 1, the steering assembly 2 comprises a steering rod 21 capable of rotating relative to the supporting seat 1, the lower end of the steering rod 21 is connected with a front wheel 22, a foot pedal 23 is connected to the front wheel 22, a steering handle 24 is connected to the upper end of the steering rod 21, the child car further comprises a supporting frame 3 capable of being taken, the supporting frame 3 is provided with a front connecting part 31 and a rear connecting part 32, the front connecting part 31 is connected with the steering rod 21, the rear connecting part 32 is connected with a rear wheel 33, a transmission piece 4 movably connected with the supporting frame 3 and the supporting seat 1 is further arranged between the supporting frame and the supporting frame, the front connecting part 31 is positioned at a stop position on the steering rod 21 and comprises an upper side position and a lower side position positioned below the upper side of the steering rod 21, and the child car is in a state of being unfolded when the current connecting part is stopped at the lower side 31. The stay position of the front connecting portion 31 of the support frame 3 on the steering rod 21 comprises an upper side position located at a higher position and a lower side position located below the upper side position, when the front connecting portion 31 is located at the lower side position, the baby carrier is in an unfolding state, when the front connecting portion 31 is located at the upper side position, the baby carrier is in a folding state, at the moment, the support frame 3 and the transmission piece 4 are both close to the steering rod 21, and the size after folding is small. The whole baby carrier structure comprises a supporting seat 1, a steering assembly 2, a supporting frame 3 and a transmission piece 4, the structure is simple, the unfolding or folding operation can be performed by only switching the stay position of the front connecting part 31 on the supporting frame 3 on the steering rod 21, and the operation is very convenient and quick.
As shown in fig. 2, 6 and 7, the front connecting portion 31 is connected to the steering rod 21 through the slider 5, the slider 5 is slidably connected to the steering rod 21 so that the front connecting portion 31 can be switched between an upper position and a lower position, and the front connecting portion 31 is rotatably connected to the slider 5. The switching between the upper and lower positions of the front connection 31 on the steering rod 21 during the unfolding or folding of the buggy is achieved by the sliding of the slider 5 on the steering rod 21, so that the unfolding or folding of the buggy is very stable and reliable and flexible. In the present embodiment, the slider 5 is a sliding sleeve that is fitted over the steering rod 21.
As shown in fig. 2 to 7, the transmission member 4 includes a transmission rod 41, one end of the transmission rod 41 is rotatably connected to the support base 1, and the other end is rotatably connected to the support frame 3. When the baby carrier is in a unfolding state, the transmission rod 41, the steering rod 21 and the support frame 3 form a triangular structure, so that the baby carrier is stable in structure, and in the process that the front connecting part 31 moves from the lower side to the upper side, the transmission rod 41, the support seat 1 and the support frame 3 are rotated relatively to be close to the steering rod 21, folding is realized, in addition, in the folding process of the support frame 3, the transmission rod 41 is always connected with the support frame 3, and folding flexibility of the support frame 3 is also ensured.
As shown in fig. 3 to 9, the support 3 includes a support rod 34, the front connecting portion 31 and the rear connecting portion 32 are disposed on the support rod 34, the support 3 further includes a seat portion 35 rotatably connected to the support rod 34 and capable of automatically folding toward the support rod 34 when the front connecting portion 31 moves upward from a lower position, and a latch member 36 for locking a position of the seat portion 35 relative to the support rod 34 when the front connecting portion 31 is in the lower position is disposed between the seat portion 35 and the support rod 34. The seat portion 35 may be provided to make the child more comfortable to sit on. And when the baby carrier is folded, the seat part 35 automatically rotates relative to the support rod 34 to be folded on the support rod 34 when the support rod 34 is folded towards the steering rod 21, so that the occupied space is small after the baby carrier is folded, and the seat part 35 automatically folds, so that the folding operation of the baby carrier is simple, convenient and quick.
As shown in fig. 3 to 9, the latch member 36 includes a latch slot 361 provided on the support rod 34, the seat portion 35 is provided with a sliding block 362 capable of sliding laterally therein, the sliding block 362 is provided with a latch pin 363 capable of engaging with or disengaging from the latch slot 361, the seat portion 35 is further provided with a first return spring 364 capable of pushing the sliding block 362 to return, the transmission rod 41 is provided with an opening positioning slot 365 capable of holding the latch pin 363 in the latch slot 361 when the stroller is in a unfolded state, and the transmission rod 41 is further provided with an arc surface 366 capable of pushing the latch pin 363 out of the latch slot 361 when the front connecting portion 31 moves upward from a lower side position. When the child car is in the unfolded state, the first return spring 364 in the seat part 35 keeps pushing state on the sliding block 362, the locking pin 363 on the sliding block 362 is locked in the locking groove 361 on the supporting rod 34, and at this time, the locking pin 363 is also positioned in the opening positioning groove 365 on the transmission rod 41, and the opening positioning groove 365 hooks the locking pin 363 to prevent the locking pin 363 from being separated from the locking groove 361. When the baby carrier is folded, the front connecting part 31 moves from the lower side to the upper side, the front connecting part 31 rises in the process, the transmission rod 41 rotates relative to the supporting seat 1 and the supporting rod 34, the arc-shaped surface 366 on the transmission rod 41 pushes the locking pin 363 in the process of rotating relative to the supporting rod 34, the locking pin 363 withdraws from the opening positioning groove 365 and the locking groove 361, the first return spring 364 is compressed in the process, once the locking pin 363 withdraws from the opening positioning groove 365 and the locking groove 361, the seat part 35 is unlocked from the supporting rod 34, and at the moment, the seat part 35 rotates automatically relative to the supporting rod 34 due to self gravity and is closed onto the supporting rod 34. The folding baby carrier is simple and ingenious in whole structure and flexible to fold, so that the folding operation of the baby carrier is simple, convenient and quick.
As shown in fig. 4, 5 and 9, the locking device includes a locking slot 61 provided on the transmission rod 41, the support rod 34 is provided with a locking pin 62 capable of sliding therein and being engaged with or disengaged from the locking slot 61, the support rod 34 is further connected with a rotating handle 63 capable of rotating relative to the front connecting portion 31, a pull cable 64 connected with the rotating handle 63 and the locking pin 62 and capable of pulling the locking pin 62 out of engagement with the locking slot 61 when the rotating handle 63 rotates is provided between the rotating handle 63 and the locking pin 62, the support rod 34 is further provided with a second return spring 65 capable of pushing the locking pin 62 to return, and a return torsion spring 66 for returning the rotating handle 63 is further provided between the rotating handle 63 and the support rod 34. When the baby carrier needs to be folded, the rotating handle 63 is pulled to rotate, the pull rope 64 is pulled by the rotating handle 63 in the rotating process, the pull rope 64 pulls the locking pin 62 to be separated from the locking groove 61, unlocking of the baby carrier locking device is achieved at the moment, and the front connecting part 31 can move from the lower side to the upper side. In actual operation, only the rotating handle 61 is required to be rotated and the rotating handle 61 is lifted upwards, so that the locking device unlocking and the continuous movement of the front connecting part 31 from the lower side to the upper side are realized, the folding operation of the baby carrier is finished at one time, and the operation is simple and quick. Of course, other conventional locking arrangements may be employed for the locking means of the stroller.
As shown in fig. 5, the seat part 35 includes a seat base 351 and a seat plate 352 detachably coupled to the seat base 351, the seat base 351 is rotatably coupled to the support rod 34, and the latch member 36 is disposed between the seat base 351 and the support rod 34. The seat plate 352 can be detached from the seat base 351, so that the packaging volume can be reduced in the production of the baby carrier, and the baby carrier is convenient to transport.
As shown in fig. 5, the support bar 34 is V-shaped and has two rear connecting portions 32 and two corresponding rear wheels 33, and the support bar 34 is provided with a transverse bar 39. Thus, the support bar 34 and the transverse bar 39 form a letter "a" like shape, so that the entire child car structure is very strong and reliable.
As shown in fig. 1, 3, 5 and 10, the transverse rod 39 is provided with a socket sleeve 30 capable of rotating relative to the transverse rod and being inserted into the push rod 9, and a pull rope (not shown in the drawings) for connecting the socket sleeve 30 and the steering rod 21 and driving the steering assembly 2 to rotate when the socket sleeve 30 rotates is arranged between the socket sleeve 30 and the steering rod 21. The user can insert push rod 9 in plug bush 30, and the adult pushes away conveniently, and children can drive plug bush 30 rotation when rotating push rod 9, and plug bush 30 rotates and then can rotate through the stay cord pulling steering rod 21 on it to the direction of control child's bike is pushed away through push rod 9 to the adult of being convenient for.
As shown in fig. 1 and 5, the two rear wheels 33 are rotatably connected to the support rod 34 so as to be movable from the outside of the support rod 34 to the inside of the support rod 34 to be close to each other. When both rear wheels 33 are located at the outer sides of the support bars 34, the child car is used as a tricycle, and when both rear wheels 33 are rotated to the inner sides of the support bars 34, the child car can be used as a balance car, so that the child car is versatile in function.
Example 2:
As shown in fig. 10 to 14, embodiment 2 differs from embodiment 1 in that:
The seat part 35 is connected with a backrest 37 which can rotate relative to the seat part, and the backrest 37 is connected with a surrounding frame 38 which can rotate relative to the backrest. The provision of the backrest 37 facilitates the back to rest when a small child is seated and the enclosure 38 makes the small child safer when seated. And when the child car is folded, the backrest 37 and the surrounding frame 38 can also rotate relative to the seat part 35 to fold, thereby ensuring that the child car is small after folding.
As shown in fig. 11 and 12, the seat portion 35 is provided with a clamping groove 71, the backrest 37 is connected with a clamping plate 72 capable of moving up and down relative to the backrest and being clamped or separated from the clamping groove 71, a third reset spring (not shown in the drawings) capable of pushing the clamping plate 72 to reset is further arranged in the backrest 37, the surrounding frame 38 is provided with a clamping hole 81, the backrest 37 is internally provided with a clamping pin 82 capable of moving transversely in the backrest and being clamped or separated from the clamping hole 81, the clamping pin 82 is connected with a moving block 83, the moving block 83 is provided with a chute 84, the backrest 37 is provided with an exposed button 85, the button 85 is provided with a pushing pin 86 which penetrates through the chute 84 and can push the moving block 83 to move transversely when the button 85 moves downwards, and the backrest 37 is also internally provided with a fourth reset spring 87 capable of pushing the moving block 83 to reset. When the backrest 37 needs to be folded, the clamping plate 72 is only pulled upwards to separate the clamping plate 73 from the clamping groove 71 on the seat part 35, and the backrest 37 can be rotated to be folded. When the surrounding frame 38 is folded, the button 85 is pressed, the pushing pin 86 pushes the groove wall of the chute 84, so that the moving block 83 moves transversely, and the locking pin 82 on the moving block 83 is withdrawn from the locking hole 81 on the surrounding frame 38, and at this time, the surrounding frame 38 can be rotated to fold the surrounding frame 38. Therefore, the folding operation of the backrest 37 and the surrounding frame 38 is also very convenient and quick.
Claims (5)
1. A child's vehicle movable from an extended position to a collapsed position after unlocking a locking device, characterized by: comprises a supporting seat (1), the supporting seat (1) is connected with a steering assembly (2) which can rotate relative to the supporting seat, the steering assembly (2) comprises a steering rod (21) which can rotate relative to the supporting seat (1), the lower end of the steering rod (21) is connected with a front wheel (22), the front wheel (22) is connected with a pedal plate (23), the upper end of the steering rod (21) is connected with a steering handle (24), the baby carriage also comprises a supporting frame (3) which can be used for riding, the supporting frame (3) is provided with a front connecting part (31) and a rear connecting part (32), The front connecting part (31) is connected with the steering rod (21), the rear connecting part (32) is connected with the rear wheel (33), a transmission part (4) movably connected with the support frame (3) and the support seat (1) is further arranged between the support frame (3) and the support seat (1), the stay position of the front connecting part (31) on the steering rod (21) comprises an upper position positioned at the upper side of the steering rod (21) and a lower position positioned below the upper position, when the front connecting part (31) stays at the lower position, the baby carrier is in a unfolding state, when the front connecting part (31) stays at the upper position, the baby carrier is in a folding state, the front connecting part (31) is connected with the steering rod (21) through the sliding part (5), the sliding piece (5) is slidingly connected on the steering rod (21) so that the front connecting part (31) can be switched between an upper position and a lower position, the front connecting part (31) is rotationally connected on the sliding piece (5), the support frame (3) comprises a support rod (34), the front connecting part (31) and the rear connecting part (32) are arranged on the support rod (34), the support frame (3) further comprises a seat part (35) which is rotationally connected with the support rod (34) and can automatically close to the support rod (34) to be folded when the front connecting part (31) moves upwards from the lower position, a locking part (36) for locking the relative position of the seat part (35) and the support rod (34) when the front connecting part (31) is arranged at the lower position is arranged between the seat part (35) and the support rod (34), The locking component (36) comprises a locking groove (361) arranged on the supporting rod (34), a sliding block (362) capable of transversely sliding in the seat part (35) is arranged on the seat part (35), a locking pin (363) capable of being locked or separated with the locking groove (361) is arranged on the sliding block (362), a first return spring (364) capable of pushing the sliding block (362) to return is also arranged in the seat part (35), the transmission piece (4) comprises a transmission rod (41), one end of the transmission rod (41) is rotationally connected with the supporting seat (1), the other end of the transmission rod is rotationally connected with the supporting rod (34), The transmission rod (41) is provided with an opening positioning groove (365) which can keep the locking pin (363) in the locking groove (361) when the baby carrier is in a unfolding state, the transmission rod (41) is also provided with an arc-shaped surface (366) which can push the locking pin (363) out of the locking groove (361) when the front connecting part (31) moves upwards from the lower side, the locking device comprises a locking groove (61) arranged on the transmission rod (41), the supporting rod (34) is provided with a locking pin (62) which can slide in the locking groove and can be blocked or separated from the locking groove (61), the supporting rod (34) is also connected with a rotating handle (63) which can rotate relative to the front connecting part (31), The rotary handle (63) and the locking pin (62) are connected with each other, a pull rope (64) which can pull the locking pin (62) to be separated from the locking groove (61) when the rotary handle (63) rotates is arranged between the rotary handle (63) and the locking pin (62), a second reset spring (65) which can push the locking pin (62) to reset is further arranged in the supporting rod (34), and a reset torsion spring (66) which is used for resetting the rotary handle (63) is further arranged between the rotary handle (63) and the supporting rod (34).
2. A child vehicle according to claim 1, wherein: the seat part (35) comprises a seat base (351) and a seat plate (352) detachably connected with the seat base (351), the seat base (351) is rotatably connected with the supporting rod (34), and the locking component (36) is arranged between the seat base (351) and the supporting rod (34).
3. A child vehicle according to claim 1, wherein: the seat part (35) is connected with a backrest (37) which can rotate relative to the seat part, and the backrest (37) is connected with a surrounding frame (38) which can rotate relative to the backrest.
4. A child vehicle according to claim 3, wherein: the seat part (35) on be equipped with draw-in groove (71), back (37) on be connected with relative it reciprocate and can with draw-in groove (71) block board (72) that block or break away from, back (37) in still be equipped with the third reset spring that can promote cardboard (72) reset, enclosing frame (38) on be equipped with draw-in hole (81), back (37) in be equipped with can in it lateral shifting and can with draw-in hole (81) block or break away from bayonet lock (82), bayonet lock (82) on be connected with movable block (83), movable block (83) on be equipped with chute (84), back (37) on be equipped with exposed button (85), button (85) on be equipped with and wear to establish in chute (84) and can promote movable block (83) lateral shifting's promotion round pin (86) when button (85) move down, back (37) in still be equipped with fourth reset spring that can promote movable block (83) reset.
5. A child vehicle according to claim 1, wherein: the support rod (34) is V-shaped and is provided with two rear connecting parts (32) and two corresponding rear wheels (33), and the support rod (34) is provided with a transverse rod (39).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110072756.7A CN112623086B (en) | 2021-01-20 | 2021-01-20 | A children's car |
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| CN202110072756.7A CN112623086B (en) | 2021-01-20 | 2021-01-20 | A children's car |
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| CN112623086B true CN112623086B (en) | 2024-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147879B (en) * | 2021-04-27 | 2025-03-04 | 珠海阳光儿童用品有限公司 | Foldable seat frame for baby carriage |
| CN113086074B (en) * | 2021-05-13 | 2024-10-01 | 宁波家中宝贝儿童用品有限公司 | Baby carrier |
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| JPS5684487U (en) * | 1979-12-05 | 1981-07-07 | ||
| CN207955916U (en) * | 2018-02-13 | 2018-10-12 | 李建华 | Folding tricycle |
| CN211391564U (en) * | 2019-12-17 | 2020-09-01 | 黄信忠 | Child's bike |
| CN214524216U (en) * | 2021-01-20 | 2021-10-29 | 中山市少侠王塑料制品有限公司 | Child's bike |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003175876A (en) * | 2001-12-11 | 2003-06-24 | Bridgestone Cycle Co | Foldable tricycle |
| CN201694317U (en) * | 2010-06-02 | 2011-01-05 | 山东科技大学 | A new type of children's car |
| CN107776793A (en) * | 2016-08-30 | 2018-03-09 | 无锡东南车辆科技有限公司 | Electric motor bicycle with folding |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5684487U (en) * | 1979-12-05 | 1981-07-07 | ||
| CN207955916U (en) * | 2018-02-13 | 2018-10-12 | 李建华 | Folding tricycle |
| CN211391564U (en) * | 2019-12-17 | 2020-09-01 | 黄信忠 | Child's bike |
| CN214524216U (en) * | 2021-01-20 | 2021-10-29 | 中山市少侠王塑料制品有限公司 | Child's bike |
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| CN112623086A (en) | 2021-04-09 |
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