CN210416703U - Stroller convenient to fold and reverse - Google Patents
Stroller convenient to fold and reverse Download PDFInfo
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- CN210416703U CN210416703U CN201921424087.XU CN201921424087U CN210416703U CN 210416703 U CN210416703 U CN 210416703U CN 201921424087 U CN201921424087 U CN 201921424087U CN 210416703 U CN210416703 U CN 210416703U
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- joint seat
- folding
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Abstract
The utility model discloses a stroller convenient for folding and reversing, which comprises a handle upper tube, a handle lower tube, a seat frame tube, a front foot tube, a rear foot tube, a front wheel and a rear wheel, wherein a joint seat is a folding and reversing joint and comprises an outer joint seat, an inner joint seat, a middle joint seat, a folding gear, a folding drag hook and a reversing gear; the middle joint seat is arranged between the outer joint seat and the inner joint seat, the vehicle folding drag hook is transversely arranged in the middle joint seat, the head end of the vehicle folding drag hook buckles the vehicle folding gear, and the tail end of the vehicle folding drag hook is connected with a vehicle folding pull rope; the reversing gear is connected with a reversing pull rope. The utility model pulls the folding stay cord when the upper tube of the handle is rotated and folded, so that the folding joint is unlocked, the lower tube of the handle is continuously pressed to link the front leg tube, the seat frame tube and the like to realize folding, the folding and unfolding operations are easily finished by one hand; the reversing pull rod is lifted up to release the locking of the lower handle tube, the lower handle tube is pushed to change the direction, and the reversing function of the cart is realized.
Description
Technical Field
The utility model relates to a baby articles for use technical field, concretely relates to baby's handcart that can conveniently fold, expand and commutate.
Background
Along with the improvement of living standard, the baby carriage becomes a necessary tool for babies, and when the baby is put on the carriage and pushed by adults to walk, the baby carriage not only can greatly facilitate nursing actions of adults, but also can make the babies more comfortable and safer. Current strollers typically include a frame, a seat frame, a front wheel assembly, a rear wheel assembly, a handlebar, etc., the frame including: the front wheel, the rear wheel and the handle are respectively arranged on the front foot tube, the rear foot tube and the handle tube. For convenience of use, the user can fold the stroller for storage when the stroller is not in use. However, the stroller in the market is generally complex, but most of them need to be folded by manually and individually pulling (or pushing) the handle tube, the front leg tube, the rear leg tube, and the seat tube. The manual operation mode is time-consuming and labor-consuming, is troublesome to operate, is difficult to finish the operation by one hand, can cause inconvenience to users with weak manual capability, and is particularly not beneficial to the use of the old and women. In addition, the handle tubes of the conventional hand cart are fixed on one side and can be pushed in only one direction, and the structure is not flexible and convenient enough.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a stroller that structural design is more reasonable, the operation of expandes and the operation of receiving the car is all very convenient, the handlebar pipe can conveniently commutate and carry out the implementation.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a hand push bassinet convenient to fold and switching-over, including the hand (hold) top tube, the hand (hold) low tube, the seat frame pipe, preceding foot pipe, back foot pipe, front wheel and rear wheel, back foot pipe is connected to the rear wheel, preceding foot pipe is connected to the front wheel, the seat frame pipe drives the connecting pipe through the seat and is connected into linkage structure with back foot pipe, preceding foot pipe drives the connecting pipe through preceding foot connecting pipe and seat and is connected into linkage structure, but connect into relative rotation's structure through the joint seat between hand (hold) low tube and preceding foot pipe and the back foot pipe, its characterized in that: the joint seat is a vehicle folding and reversing joint and comprises an outer joint seat, an inner joint seat, a middle joint seat, a vehicle folding gear, a vehicle folding draw hook and a reversing gear; the middle joint seat is arranged between the outer joint seat and the inner joint seat, the three parts form a structure capable of rotating relatively, tooth-shaped structures matched with the vehicle collecting gear and the reversing gear are arranged in the three parts, and the vehicle collecting gear or the reversing gear moves in the three parts to form a locking or unlocking structure of the vehicle collecting function and the reversing function of the joint seat; the vehicle folding draw hook is transversely arranged in the three parts, the head end of the vehicle folding draw hook buckles the vehicle folding gear, the tail end of the vehicle folding draw hook is connected with a vehicle folding pull rope, and the vehicle folding draw hook is pulled by the vehicle folding pull rope to form a vehicle folding unlocking structure; the reversing gear is connected with a reversing pull rope, and the reversing gear is pulled by the reversing pull rope to form a reversing unlocking structure.
Furthermore, the outer joint seat is connected with the lower end of the handle lower pipe, the inner joint seat is connected with the upper end of the rear foot pipe, the middle joint seat is connected with the surrounding frame, and the surrounding frame is connected with the seat frame pipe through a surrounding frame connecting pipe to form a linkage structure; the folding gear is arranged between the inner joint seat and the middle joint seat and is mutually inserted with the inner joint seat and the middle joint seat to form a folding function locking structure, a folding spring is arranged between the middle joint seat and the folding gear, the folding spring props against the folding gear, and the folding gear is tightly pressed in the inner joint seat through the folding spring; a locking driving spring is arranged between the vehicle folding drag hook and the outer joint seat, the locking driving spring props against the vehicle folding drag hook, and the vehicle folding drag hook is pressed into the vehicle folding gear through the locking driving spring and fastens the vehicle folding gear; the folding pull rope penetrates through the lower handle pipe and is led into the joint seat to be connected with the folding drag hook.
The handle upper tube is rotated downwards, the folding stay cord is pulled upwards through the outer bending joint seat, so that the folding drag hook is pulled, the folding gear is separated from the gear groove of the inner joint seat through the folding drag hook, and the joint is in an unlocking state. The handle lower pipe is pressed downwards, and the folding of the vehicle body is realized through the connecting rod structure.
Furthermore, the reversing gear is arranged between the outer joint seat and the middle joint seat and is mutually inserted with the outer joint seat and the middle joint seat to form a reversing function locking structure, a reversing spring is arranged between the outer joint seat and the reversing gear, the reversing spring props against the reversing gear, and the reversing gear is pressed in the middle joint seat through the reversing spring; the reversing pull rope penetrates through the introduction joint seat from the handle lower pipe to be connected with the reversing gear, the reversing pull rod is arranged on the upper portion of the handle lower pipe, the upper end of the reversing pull rope is fixedly connected with the reversing pull rod, and the reversing pull rope is pulled upwards by pulling the reversing pull rod upwards.
Furthermore, the upper end of the lower handle tube is provided with an inner bending joint seat, the lower end of the upper handle tube is provided with an outer bending joint seat matched with the inner bending joint seat, and the inner bending joint seat and the outer bending joint seat are in butt joint to form a rotatable structure of the upper handle tube; an active bending gear is arranged in the outer bending joint seat on one side, and the active bending gear is simultaneously embedded and inserted with the outer bending joint seat and the inner bending joint seat through the compression of a handle locking spring in the outer bending joint seat to form a locking structure for the handle upper tube; a bending button is arranged in the inner bending joint seat, the bending button is tightly pressed on the active bending gear, and the bending button protrudes out of the inner bending joint seat to form a pressable structure; a bending pull rope is arranged in the upper handle pipe, one end of the bending pull rope is connected with the driving bending gear, and the other end of the bending pull rope penetrates into an outer bending joint seat on the other side of the upper handle pipe to be connected with a driven bending gear; the driven bending gear is simultaneously embedded and inserted with the outer bending joint seat and the inner bending joint seat through the compression of the other handle locking spring in the outer bending joint seat, and forms a locking structure for the upper pipe of the handle by matching with the driving bending gear; when the bending button is pressed down, the active bending gear is pressed down by the bending button to leave the inner bending joint seat, the driven bending gear is pulled by the bending pull rope in a linkage manner to leave the inner bending joint seat, a folding and unlocking structure for the upper handle pipe is formed, and the upper handle pipe is folded and leaned against the lower part of the rear wheel after the vehicle body is folded, so that the vehicle body can stand.
The bending button is pressed down, the active bending gear is pushed away from the inner bending joint seat by the bending button, meanwhile, the movement of the active bending gear drives the bending pull rope, the bending pull rope can pull the driven bending gear, the driven bending gear is also separated from the inner bending joint seat where the driven bending gear is located, and the handle upper pipe and the handle lower pipe are unlocked.
Furthermore, the upper end of the vehicle folding pull rope is connected with the outer bending joint seat, and the vehicle folding pull rope is pulled through the rotation of the outer bending joint seat (namely the rotation and the folding of the upper pipe of the handle). Therefore, the bicycle can be folded in a linkage manner directly through the handle upper tube without additionally arranging a mechanism such as a bicycle folding button, so that parts are saved, and the bicycle folding operation is simpler and more convenient.
Further, be provided with the arc hole in the gear of receiving the car, the gear of receiving the car is detained to the drag hook of receiving the car through this arc hole, and the length in arc hole is greater than the width of the drag hook of receiving the car to make the drag hook of receiving the car slide in the gear of receiving the car, can slide and remain the block with the gear of receiving the car all the time in the arc hole of gear of receiving the car when the drag hook of receiving the car rotates along with outer joint seat.
Furthermore, a sliding groove is arranged in one end of the inner joint seat opposite to the circumferential surface of the outer joint seat, a positioning auxiliary spring and a reversing sliding block are arranged in the sliding groove, and the reversing sliding block presses the positioning auxiliary spring; the surface of the outer joint seat is provided with a reversing push block for pushing the reversing slide block to move in the sliding groove, and the reversing push block pushes the reversing slide block to move towards the direction of compressing the positioning auxiliary spring when the outer joint seat rotates relative to the inner joint seat; the reversing slide block is connected with a reversing unlocking pull rope, a fulcrum part is arranged beside the sliding chute, and the reversing unlocking pull rope bypasses the fulcrum part to form a fulcrum structure capable of providing torque; the other end of the reversing unlocking pull rope is connected with a rear wheel locking piece, and the rear wheel locking piece is inserted into a rear wheel seat for mounting a rear wheel to form a steering locking structure of the rear wheel; the rear wheel locking piece is pulled out of the rear wheel seat through the reversing unlocking pull rope to form a steering unlocking structure of the rear wheel. The pull ropes are usually steel ropes.
Furthermore, the rear wheel seat is arranged in a rear wheel shock absorption seat, a rear wheel locking spring is arranged in the rear wheel shock absorption seat, and the rear wheel locking piece is pressed into the rear wheel seat through the rear wheel locking spring to form a steering locking structure for the rear wheel, so that the rear wheel can not turn, and the rear wheel seat is suitable for being used as a normal rear wheel rear mode.
When the handle is reversed, the reversing sliding block is pushed along the sliding groove by the reversing push block on the outer joint seat, the reversing unlocking pull rope is pulled upwards, the rear wheel locking piece is pulled to be separated from the clamping groove, the rear wheel seat is in an unlocking state, and the rear wheel can turn at the moment, so that the handle is suitable for being used as a rear wheel front mode. When the handle is operated in the original direction, the outer joint seat returns to the original position, the reversing push block is separated from the reversing slide block, the reversing slide block and the rear wheel locking piece return to the original position under the action of the respective springs, the rear wheel seat is clamped by the rear wheel locking piece and cannot rotate, and the rear wheel seat is in a locked state at the moment.
Furthermore, a rear wheel linkage rod for linking the two rear wheels to synchronously rotate is connected between the two rear wheels, so that a parallelogram is formed with the rear wheel rotating shaft, and when one side of the wheels rotates, the other side of the wheels synchronously rotates along with the other side of the wheels.
Furthermore, a vehicle folding pin is arranged on the side face of the reversing pull rod, a vehicle folding hook is arranged on the rear foot tube, and after the vehicle body is folded, the vehicle folding pin is clamped into the vehicle folding hook to form a locking structure for the folded vehicle body, so that the vehicle body cannot automatically scatter.
The utility model pulls the folding stay cord when the upper tube of the handle is rotated and folded, so that the folding joint is unlocked, the lower tube of the handle is continuously pressed to link the front leg tube, the seat frame tube and the like to realize folding, the folding and unfolding operations are easily finished by one hand; in addition, the reversing joint can release the locking of the handle lower pipe by lifting the reversing pull rod to pull the reversing pull rope, the handle lower pipe can be pushed to change one direction, the reversing function of the cart is realized, the operation process is very convenient, and the steering function of the rear wheel can be realized after reversing.
Drawings
FIG. 1 is a development structure diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the folding process of the present invention;
fig. 4 is a schematic view after the utility model is folded;
FIG. 5 is a three-dimensional unfolding structure diagram (the handle is at the same side as the rear leg tube) before reversing;
fig. 6 is a side sectional view of the present invention before reversing;
FIG. 7 is a side sectional view of the utility model after the direction change (the handle is at the same side of the front foot tube);
FIG. 8 is an enlarged view of a portion of the reverse joint of FIG. 6;
FIG. 9 is an enlarged fragmentary view of the rear wheel locking arrangement of FIG. 6;
FIG. 10 is an internal view of the rotary joint portion of the upper tube of the handlebar;
FIG. 11 is a schematic view of the upper tube of the handlebar being folded in cooperation with the retracting cord;
FIG. 12 is an internal view of the retraction and reversing joint;
fig. 13 is a structural view of the stowing gear.
In the figure, 1 is a handle upper tube, 2 is a driving bending gear, 3 is a bending pull rope, 4 is a bending button, 5 is a driven bending gear, 6 is a reversing pull rod, 7 is a reversing pull rope, 8 is a vehicle retracting gear, 81 is an arc-shaped hole, 9 is a vehicle retracting spring, 10 is an intermediate joint seat, 11 is a vehicle retracting pull rope, 12 is a handle lower tube, 13 is a reversing spring, 14 is an outer joint seat, 15 is a vehicle retracting pull hook, 151 is a locking driving spring, 16 is a reversing gear, 17 is an inner joint seat, 18 is a seat driving connecting tube, 19 is a seat frame tube, 20 is a surrounding frame connecting tube, 21 is a rear foot tube, 22 is a front foot connecting tube, 23 is a front foot tube, 24 is a front wheel, 25 is a rear wheel, 26 is an outer bending joint seat, 27 is an inner bending joint seat, 28 is a handle locking spring, 29 is a surrounding frame, 30 is a reversing slide block, 31 is a reversing unlocking pull rope, 32 is a positioning auxiliary spring, 33 is a supporting arm, 34 is a pushing, 35 is a rear wheel shock absorption seat, 36 is a rear wheel seat, 37 is a rear wheel locking part, 38 is a rear wheel locking spring, 39 is a rear wheel linkage rod, 40 is a vehicle retracting hook, and 41 is a vehicle retracting pin.
Detailed Description
In this embodiment, referring to fig. 1 to 13, the stroller convenient to fold and reverse includes a handle upper tube 1, a handle lower tube 12, a seat frame tube 19, a front leg tube 23, a rear leg tube 21, a front wheel 24 and a rear wheel 25, wherein the rear wheel 25 is connected with the rear leg tube 21, the front wheel 24 is connected with the front leg tube 23, the seat frame tube 19 is connected with the rear leg tube 21 through a seat connecting tube 18 to form a linkage structure, the front leg tube 23 is connected with the seat connecting tube 18 through a front leg connecting tube 22 to form a linkage structure, and the handle lower tube 12, the front leg tube 23 and the rear leg tube 21 are connected through a joint seat to form a structure capable of rotating relatively; the joint seat is a vehicle folding and reversing joint and comprises an outer joint seat 14, an inner joint seat 17, a middle joint seat 10, a vehicle folding gear 8, a vehicle folding draw hook 15 and a reversing gear 16; the middle joint seat 10 is arranged between the outer joint seat 14 and the inner joint seat 17, the three form a structure capable of rotating relatively, tooth-shaped structures matched with the vehicle collection gear 8 and the reversing gear 16 are arranged in the three, and the vehicle collection function and the locking or unlocking structure of the reversing function of the joint seat are formed by the movement of the vehicle collection gear 8 or the reversing gear 16 in the three; the vehicle folding draw hook 15 is transversely arranged in the three parts, the head end of the vehicle folding draw hook 15 buckles the vehicle folding gear 8, the tail end of the vehicle folding draw hook 15 is connected with a vehicle folding pull rope 11, the vehicle folding draw hook 15 is pulled through the vehicle folding pull rope 11 to form a vehicle folding unlocking structure, and the vehicle body can be folded at the moment; the reversing gear 16 is connected with a reversing pull rope 7, the reversing pull rope 7 pulls the reversing gear 16 to form a reversing unlocking structure, and at the moment, the handle can be reversed.
The outer joint seat 14 is connected with the lower end of the handle lower tube 12, the inner joint seat 17 is connected with the upper end of the rear foot tube 21, the middle joint seat 10 is connected with the surrounding frame 29, and the surrounding frame 29 is connected with the seat frame tube 19 through the surrounding frame connecting tube 20 to form a linkage structure which can rotate in a linkage manner; the folding gear 8 is arranged between the inner joint seat 17 and the middle joint seat 10 and is mutually inserted with the inner joint seat and the middle joint seat to form a folding function locking structure, a folding spring 9 is arranged between the middle joint seat 10 and the folding gear 8, the folding spring 9 props against the folding gear 8, and the folding gear 8 is tightly pressed in the inner joint seat 17 through the folding spring 9; a locking driving spring 151 is arranged between the vehicle folding drag hook 15 and the outer joint seat 14, the locking driving spring 151 props against the vehicle folding drag hook 15, and the vehicle folding drag hook 15 is pressed into the vehicle folding gear 8 through the locking driving spring 151 and is fastened with the vehicle folding gear 8; the retracting pull rope 11 passes through the handle lower pipe 12 and is led into the joint seat to be connected with the retracting pull hook 15.
The handle upper tube 1 is rotated downwards, the folding pull rope 11 is pulled upwards through the outer bending joint seat 26, so that the folding pull hook 15 is pulled, the folding gear 8 is separated from the gear groove of the inner joint seat 17 through the folding pull hook 15, and the joint is in an unlocking state. The handle lower pipe 12 is pressed downwards, and the folding of the vehicle body is realized through the connecting rod structure.
The reversing gear 16 is arranged between the outer joint seat 14 and the middle joint seat 10 and is mutually inserted with the outer joint seat 14 and the middle joint seat to form a reversing function locking structure, a reversing spring 13 is arranged between the outer joint seat 14 and the reversing gear 16, the reversing spring 13 is propped against the reversing gear 16, and the reversing gear 16 is pressed in the middle joint seat 10 through the reversing spring 13; the reversing pull rope 7 penetrates through the introduction joint seat from the handle lower pipe 12 to be connected with the reversing gear 16, the reversing pull rod 6 is arranged on the upper portion of the handle lower pipe 12, the upper end of the reversing pull rope 7 is fixedly connected with the reversing pull rod 6, and the reversing pull rope 7 is pulled upwards by pulling the reversing pull rod 6 upwards.
The upper end of the handle lower tube 12 is provided with an inner bending joint seat 27, the lower end of the handle upper tube 1 is provided with an outer bending joint seat 26 matched with the inner bending joint seat 27, and the two are butted to form a rotatable structure of the handle upper tube 1; an active bending gear 2 is arranged in the outer bending joint seat 26 on one side, and the active bending gear 2 is mutually inserted with the outer bending joint seat 26 and the inner bending joint seat 27 through the pressing of a handle locking spring 28 in the outer bending joint seat 26 to form a locking structure for the handle upper tube 1; a bending button 4 is arranged in the inner bending joint seat 27, the bending button 4 is tightly pressed on the active bending gear 2, and the bending button 4 protrudes out of the inner bending joint seat 27 to form a pressable structure; a bending pull rope 3 is arranged inside the upper handle tube 1, one end of the bending pull rope 3 is connected with the driving bending gear 2, and the other end of the bending pull rope 3 penetrates into an outer bending joint seat 26 on the other side of the upper handle tube 1 and is connected with a driven bending gear 5; the driven bending gear 5 is simultaneously embedded and inserted with the outer bending joint seat 26 and the inner bending joint seat 27 through the compression of the other handle locking spring 28 in the outer bending joint seat 26, and forms a locking structure for the handle upper tube 1 by matching with the driving bending gear 2; when the bending button 4 is pressed, the active bending gear 2 is pressed by the bending button 4 to leave the inner bending joint seat 27, and the driven bending gear 5 is pulled by the bending pull rope 3 in a linkage manner to leave the inner bending joint seat 27, so that the folding and unlocking structure for the handle upper tube 1 is formed, and the handle upper tube 1 is folded under the rear wheel 25 after the vehicle body is folded, so that the vehicle body can stand.
The bending button 4 is pressed, the active bending gear 2 is pushed away from the inner bending joint seat 27 by the bending button 4, meanwhile, the bending pull rope 3 is driven by the movement of the active bending gear 2, the driven bending gear 5 is pulled by the bending pull rope 3, and the driven bending gear 5 is also separated from the inner bending joint seat 27 where the driven bending gear 5 is located, so that the handle upper tube 1 and the handle lower tube 12 are unlocked.
The upper end of the retracting rope 11 is connected to the outer bending joint seat 26, and the retracting rope 11 is pulled by the rotation of the outer bending joint seat 26 (i.e., the rotation and folding of the handle upper tube 1). Therefore, a mechanism such as a vehicle folding button is not needed to be additionally arranged, the upper tube 1 can be linked to fold the vehicle directly through the handle, parts are saved, and the vehicle folding operation is simpler and more convenient.
Be provided with arc hole 81 in receiving the car gear 8, receive the car drag hook 15 and pass this arc hole 81 and detain receiving the car gear 8, the length in arc hole 81 is greater than the width of receiving the car drag hook 15 to make receiving the car drag hook 15 can slide in receiving the car gear 8, can slide and remain the block with receiving the car gear 8 all the time in receiving the car drag hook 15 when rotating along with outer joint seat 14, be convenient for realize the switching-over operation in receiving the car gear 8's arc hole 81.
A sliding groove is arranged in one end of the inner joint seat 17 opposite to the circumferential surface of the outer joint seat 14, a positioning auxiliary spring 32 and a reversing sliding block 30 are arranged in the sliding groove, and the reversing sliding block 30 presses the positioning auxiliary spring 32; a reversing push block 34 for pushing the reversing slide block 30 to move in the sliding groove is arranged on the surface of the outer joint seat 14, and when the outer joint seat 14 rotates relative to the inner joint seat 17, the reversing push block 34 pushes the reversing slide block 30 to move towards the direction of compressing the positioning auxiliary spring 32; the reversing slide block 30 is connected with a reversing unlocking pull rope 31, a fulcrum part 33 is arranged beside the sliding chute, and the reversing unlocking pull rope 31 bypasses the fulcrum part 33 to form a fulcrum structure capable of providing torque so as to be convenient to pull; the other end of the reversing unlocking rope 31 is connected with a rear wheel locking piece 37, and the rear wheel locking piece 37 is inserted into a rear wheel seat 36 for mounting the rear wheel 25 to form a steering locking structure of the rear wheel 25; the steering unlocking structure of the rear wheel 25 is formed by pulling the rear wheel locking piece 37 out of the rear wheel seat 36 by the reverse unlocking cord 31. The pull ropes are usually steel ropes.
The rear wheel seat 36 is installed in a rear wheel damper seat 35, a rear wheel locking spring 38 is provided in the rear wheel damper seat 35, and a rear wheel locking member 37 is pressed into the rear wheel seat 36 by the rear wheel locking spring 38 to form a steering locking structure for the rear wheel 25, so that the rear wheel 25 is not steered, and at this time, the rear wheel damper seat is suitable for being used as a normal rear wheel 25 rear mode.
When the handle is reversed, the reversing slide block 30 is pushed along the sliding groove by the reversing push block 34 on the outer joint seat 14, the reversing unlocking pull rope 31 is pulled upwards, the rear wheel locking piece 37 is pulled to be separated from the clamping groove of the rear wheel seat 36, the rear wheel seat 36 is in an unlocking state, and the rear wheel 25 can turn at the moment and is suitable for being used as a front mode of the rear wheel 25. When the handle is operated in the original direction, the outer joint seat 14 returns to the original position, the reversing push block 34 is separated from the reversing slide block 30, the reversing slide block 30 and the rear wheel locking piece 37 return to the original position under the action of the respective springs, the rear wheel seat 36 is clamped by the rear wheel locking piece 37 and cannot rotate, and at the moment, the rear wheel seat 36 is in a locked state.
A rear wheel link 39 for linking the two rear wheels to rotate synchronously is connected between the two rear wheels 25, thus forming a parallelogram with the rear wheel pivot, and when one of the wheels rotates, the other wheel also rotates synchronously.
A vehicle folding pin 41 is arranged on the side surface of the reversing pull rod 6, a vehicle folding hook 40 is arranged on the rear foot tube 21, and after the vehicle body is folded, the vehicle folding pin 41 is clamped into the vehicle folding hook 40 to form a locking structure for the folded vehicle body, so that the vehicle body cannot automatically scatter.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (10)
1. The utility model provides a hand push bassinet convenient to fold and switching-over, including the hand (hold) top tube, the hand (hold) low tube, the seat frame pipe, preceding foot pipe, back foot pipe, front wheel and rear wheel, back foot pipe is connected to the rear wheel, preceding foot pipe is connected to the front wheel, the seat frame pipe drives the connecting pipe through the seat and is connected into linkage structure with back foot pipe, preceding foot pipe drives the connecting pipe through preceding foot connecting pipe and seat and is connected into linkage structure, but connect into relative rotation's structure through the joint seat between hand (hold) low tube and preceding foot pipe and the back foot pipe, its characterized in that: the joint seat is a vehicle folding and reversing joint and comprises an outer joint seat, an inner joint seat, a middle joint seat, a vehicle folding gear, a vehicle folding draw hook and a reversing gear; the middle joint seat is arranged between the outer joint seat and the inner joint seat, the three parts form a structure capable of rotating relatively, tooth-shaped structures matched with the vehicle collecting gear and the reversing gear are arranged in the three parts, and the vehicle collecting gear or the reversing gear moves in the three parts to form a locking or unlocking structure of the vehicle collecting function and the reversing function of the joint seat; the vehicle folding draw hook is transversely arranged in the three parts, the head end of the vehicle folding draw hook buckles the vehicle folding gear, the tail end of the vehicle folding draw hook is connected with a vehicle folding pull rope, and the vehicle folding draw hook is pulled by the vehicle folding pull rope to form a vehicle folding unlocking structure; the reversing gear is connected with a reversing pull rope, and the reversing gear is pulled by the reversing pull rope to form a reversing unlocking structure.
2. A stroller facilitating folding and inverting according to claim 1, characterized in that: the outer joint seat is connected with the lower end of the lower handle tube, the inner joint seat is connected with the upper end of the rear foot tube, the middle joint seat is connected with the surrounding frame, and the surrounding frame is connected with the seat frame tube through a surrounding frame connecting tube to form a linkage structure; the folding gear is arranged between the inner joint seat and the middle joint seat and is mutually inserted with the inner joint seat and the middle joint seat to form a folding function locking structure, a folding spring is arranged between the middle joint seat and the folding gear, the folding spring props against the folding gear, and the folding gear is tightly pressed in the inner joint seat through the folding spring; a locking driving spring is arranged between the vehicle folding drag hook and the outer joint seat, the locking driving spring props against the vehicle folding drag hook, and the vehicle folding drag hook is pressed into the vehicle folding gear through the locking driving spring and fastens the vehicle folding gear; the folding pull rope penetrates through the lower handle pipe and is led into the joint seat to be connected with the folding drag hook.
3. A stroller facilitating folding and inverting according to claim 2, characterized in that: the reversing gear is arranged between the outer joint seat and the middle joint seat and is embedded with the outer joint seat and the middle joint seat to form a reversing function locking structure, a reversing spring is arranged between the outer joint seat and the reversing gear, the reversing spring props against the reversing gear, and the reversing gear is tightly pressed in the middle joint seat through the reversing spring; the reversing pull rope penetrates through the introduction joint seat from the handle lower pipe to be connected with the reversing gear, the reversing pull rod is arranged on the upper portion of the handle lower pipe, and the upper end of the reversing pull rope is fixedly connected with the reversing pull rod.
4. A stroller facilitating folding and inverting according to claim 1, characterized in that: the upper end of the handle lower pipe is provided with an inner bending joint seat, the lower end of the handle upper pipe is provided with an outer bending joint seat matched with the inner bending joint seat, and the inner bending joint seat and the outer bending joint seat are in butt joint to form a rotatable structure of the handle upper pipe; an active bending gear is arranged in the outer bending joint seat on one side, and the active bending gear is simultaneously embedded and inserted with the outer bending joint seat and the inner bending joint seat through the compression of a handle locking spring in the outer bending joint seat to form a locking structure for the handle upper tube; a bending button is arranged in the inner bending joint seat, the bending button is tightly pressed on the active bending gear, and the bending button protrudes out of the inner bending joint seat to form a pressable structure; a bending pull rope is arranged in the upper handle pipe, one end of the bending pull rope is connected with the driving bending gear, and the other end of the bending pull rope penetrates into an outer bending joint seat on the other side of the upper handle pipe to be connected with a driven bending gear; the driven bending gear is simultaneously embedded and inserted with the outer bending joint seat and the inner bending joint seat through the compression of the other handle locking spring in the outer bending joint seat, and forms a locking structure for the upper pipe of the handle by matching with the driving bending gear; when the bending button is pressed down, the active bending gear is pressed down by the bending button to leave the inner bending joint seat, the driven bending gear is pulled by the bending pull rope in a linkage manner to leave the inner bending joint seat, a folding and unlocking structure for the upper handle pipe is formed, and the upper handle pipe is folded and leaned against the lower part of the rear wheel after the vehicle body is folded, so that the vehicle body can stand.
5. A stroller facilitating folding and inverting according to claim 4, characterized in that: the upper end of the folding stay cord is connected with the outer bending joint seat, and the folding stay cord is pulled through the rotation of the outer bending joint seat.
6. A stroller facilitating folding and inverting according to claim 1, characterized in that: an arc-shaped hole is formed in the car folding gear, the car folding drag hook penetrates through the arc-shaped hole to buckle the car folding gear, and the length of the arc-shaped hole is larger than the width of the car folding drag hook, so that the car folding drag hook can slide in the car folding gear.
7. A stroller facilitating folding and inverting according to claim 1, characterized in that: a sliding groove is arranged in one end of the inner joint seat opposite to the circumferential surface of the outer joint seat, a positioning auxiliary spring and a reversing sliding block are arranged in the sliding groove, and the reversing sliding block presses the positioning auxiliary spring; the surface of the outer joint seat is provided with a reversing push block for pushing the reversing slide block to move in the sliding groove, and the reversing push block pushes the reversing slide block to move towards the direction of compressing the positioning auxiliary spring when the outer joint seat rotates relative to the inner joint seat; the reversing slide block is connected with a reversing unlocking pull rope, a fulcrum part is arranged beside the sliding chute, and the reversing unlocking pull rope bypasses the fulcrum part to form a fulcrum structure capable of providing torque; the other end of the reversing unlocking pull rope is connected with a rear wheel locking piece, and the rear wheel locking piece is inserted into a rear wheel seat for mounting a rear wheel to form a steering locking structure of the rear wheel; the rear wheel locking piece is pulled out of the rear wheel seat through the reversing unlocking pull rope to form a steering unlocking structure of the rear wheel.
8. A stroller facilitating folding and inverting according to claim 7, characterized in that: the rear wheel seat is arranged in a rear wheel shock absorption seat, a rear wheel locking spring is arranged in the rear wheel shock absorption seat, and the rear wheel locking piece is pressed into the rear wheel seat through the rear wheel locking spring to form a steering locking structure for the rear wheel.
9. A stroller facilitating folding and inverting according to claim 7, characterized in that: a rear wheel linkage rod for linking the two rear wheels to synchronously rotate is connected between the two rear wheels.
10. A stroller facilitating folding and inverting according to claim 3, characterized in that: the side surface of the reversing pull rod is provided with a vehicle collecting pin, the rear foot tube is provided with a vehicle collecting hook, and after the vehicle body is folded, the vehicle collecting pin is clamped into the vehicle collecting hook to form a locking structure for the folded vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424087.XU CN210416703U (en) | 2019-08-29 | 2019-08-29 | Stroller convenient to fold and reverse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424087.XU CN210416703U (en) | 2019-08-29 | 2019-08-29 | Stroller convenient to fold and reverse |
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| Publication Number | Publication Date |
|---|---|
| CN210416703U true CN210416703U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921424087.XU Active CN210416703U (en) | 2019-08-29 | 2019-08-29 | Stroller convenient to fold and reverse |
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| Country | Link |
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| CN (1) | CN210416703U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810689A (en) * | 2021-01-14 | 2021-05-18 | 中山市宝晟婴童用品有限公司 | Novel rotary orientation baby carrier |
| CN112829818A (en) * | 2021-02-05 | 2021-05-25 | 广东乐美达集团有限公司 | Single-hand fast handle folding portable cart |
| CN112849250A (en) * | 2021-01-26 | 2021-05-28 | 徐江林 | Baby carriage joint |
-
2019
- 2019-08-29 CN CN201921424087.XU patent/CN210416703U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810689A (en) * | 2021-01-14 | 2021-05-18 | 中山市宝晟婴童用品有限公司 | Novel rotary orientation baby carrier |
| CN112849250A (en) * | 2021-01-26 | 2021-05-28 | 徐江林 | Baby carriage joint |
| CN112849250B (en) * | 2021-01-26 | 2024-01-23 | 徐江林 | Baby carriage joint |
| CN112829818A (en) * | 2021-02-05 | 2021-05-25 | 广东乐美达集团有限公司 | Single-hand fast handle folding portable cart |
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