CN101767600A - Foldable baby carriage capable of being pushed in opposite directions - Google Patents

Abstract

The invention discloses a foldable baby carrier capable of being pushed in a reversing way.A reversing handle is arranged on a push handle frame and is linked with a traction cable, the traction cable is connected with a positioning element connecting seat, the positioning element connecting seat forms a positioning element, the upper end of the positioning element connecting seat is propped against a return spring, and the other end of the return spring is propped in the push handle frame; a waist-shaped hole is formed in the side surface of the reversing upper seat, and the positioning piece penetrates through the waist-shaped hole; the reversing lower seat forms a first positioning part and a second positioning part, the two positioning parts are matched with the positioning part, and the two positioning parts are transited by a first guide surface; the pushing handle frame is pushed forwards, the positioning piece penetrates through the waist-shaped hole and then is clamped into the first positioning part, the positioning piece slides along the first guide surface until being clamped into the second positioning part, and the pushing handle frame is pushed backwards; two ends of the rear awning frame are rotatably connected with the reversing lower seat, and a vehicle folding device is arranged between the rear awning frame and the reversing lower seat. Its advantage is: the reversing mechanism has high strength; the reversing and folding actions are reliable, and the operation conversion process is smooth; the angle of the backrest frame is adjustable; the folded front enclosing component is retracted, and the volume is reduced.

Description

Reversible folding stroller

technical field

The invention belongs to the technical field of baby carriage manufacturing, in particular to a foldable baby carriage that can be reversed and pushed.

Background technique

At present, there are foldable baby carriages in the market where the push handle frame can be turned over to achieve reversing promotion, and it is very popular among users because of its advantages of flexibility and mobility. Chinese Patent No. ZL200820000625.8 discloses a foldable stroller, which includes front wheels, rear wheels, front legs extending obliquely upward relative to the front wheels, and a push handle frame hinged to the front legs. The reversing mechanism is rotatably connected, and the reversing mechanism includes a front leg connecting seat and a push handle frame connecting seat that are engaged with each other. The push handle frame connecting seat and the front leg connecting seat are within a certain angle range Relatively rotating, when the two limit positions of the reversing pin shaft and the arc-shaped pin groove are matched, they correspond to the forward push and reverse push states of the baby carriage respectively; The matching state of the pin groove limit position can be maintained and unlocked. The push handle frame adopts a tubular structure with two sections of relative plug-in matching. The insertion and withdrawal states of the upper tube correspond to the locking and unlocking states of the locking/unlocking mechanism respectively. The defect in the above-mentioned patented technical solution is: when pushing forward, the axes of the front legs and the push handle frame are not in the same straight line, and when the reverse is pushed, the front legs and the push handle frame are not in the same plane, thus connecting the two The support force that the reversing mechanism can withstand is small, and it is easy to be crushed, and the staggered front legs and push handle frame are easy to pinch fingers during relative rotation, posing a safety hazard; in addition, after folding, the dinner plate is always It is in the most protruding part, so its volume after folding is large; finally, the structure of push handle frame with plug-in fit is not easy to process, and the production cost is also high.

Contents of the invention

The present invention aims at the above deficiencies in the prior art, and provides a foldable stroller that can be reversed and pushed.

In order to achieve the above-mentioned technical purpose, the present invention adopts the following technical solutions: a foldable stroller that can be reversed and promoted, including a push handle frame, front legs, a chassis assembly, a front wheel assembly, a rear wheel assembly, a seat frame assembly, a backrest frame, a rear The canopy frame, the front wall assembly, the lower part of the front leg is connected to the bottom frame assembly, the bottom frame assembly is provided with a front wheel assembly and a rear wheel assembly, the front wheel assembly includes a pair of front wheels, and the rear wheel assembly includes a pair of rear wheels; the seat frame The rear part of the component is rotatably connected to the backrest frame; the middle and lower part of the rear awning frame is rotatably connected to the front wall assembly, and the front wall assembly is provided with a dinner plate; the two lower ends of the push handle frame are respectively connected with the two upper ends of the front legs through a reversing mechanism, and the reversing mechanism The mechanism includes a reversing upper seat fixedly connected to the lower end of the push handle frame, a reversing lower seat fixedly connected to the upper end of the front leg, and the reversing upper seat and the reversing lower seat are connected in rotation; a reversing handle is arranged on the push handle frame, and the reversing handle The handle is linked with the traction cable placed in the push handle frame tube, the lower end of the traction cable is connected with a positioning piece connecting seat, the two sides of the positioning piece connecting seat protrude outward to form a positioning piece, and the upper end of the positioning piece connecting seat is pushed back Spring, the other end of the return spring is pushed against the push handle frame; there is a waist-shaped hole on the side of the upper seat, and the positioning part passes through the waist-shaped hole; the first positioning part and the second positioning part are formed in the lower seat. The two positioning parts are compatible with the positioning part, and the first guide surface transitions between the two positioning parts; when the push handle frame is in the forward pushing state, the positioning part passes through the waist-shaped hole and snaps into the first positioning part, and the positioning part can move along the The first guide surface slides until it is locked into the second positioning part, and the push handle frame is in the reverse push state; There is also a car receiving device.

In the reversible foldable stroller, the rear tent frame is U-shaped, and the lower end is rotatably connected to a connecting brace, and the lower end of the connecting brace is rotatably connected to the middle front part of the chassis assembly.

The folding stroller that can be pushed in different directions is provided with a segment piece on the connecting support, and several positioning slots are provided on the segment piece; guide holes are opened at both ends of the backrest frame, and the guide holes on both sides are respectively inserted into The end of the backrest positioning rod can slide along the guide hole. The backrest positioning rod is connected with a U-shaped backrest adjustment handle. In the backrest frame; the end of the backrest positioning rod protruding from the backrest frame matches the positioning card slot of the segment piece, and under the action of the return spring, the end of the backrest positioning rod snaps into a certain positioning card of the segmental piece in the slot.

In the reversible foldable stroller, the bottom frame assembly is rotatably connected to the U-shaped net basket frame, and the net basket frame is rotatably connected to the net basket connecting piece between the middle and lower parts of the connecting brace.

The folding stroller that can be pushed in different directions, the car receiving device includes a car receiving handle, which is arranged on the rear tent frame, and the car receiving handle is linked with the car retracting traction cable placed in the rear tent frame tube, and the car is retracted The lower end of the traction cable is fixedly connected with the positioning lock pin, and a guide hole is opened at the lower end of the rear awning frame, and a sliding connecting sleeve is set outside the corresponding position outside the guide hole, the connecting sleeve and the positioning locking pin are interlocked, and the positioning locking pin passes through the rear awning After the guide hole of the frame and the connecting sleeve, snap into the engagement groove provided by the lower seat of the switch; the positioning lock pin pushes the reset spring, and the other end of the reset spring pushes in the rear tent frame.

In the reversible foldable stroller, the cowl assembly and the reversible lower seat are rotatably connected to the cowl connection brace; the lower part of the front leg is rotatably connected to the chassis assembly through the chassis connection brace, and the front leg The lower part is fixedly connected with the pedals.

In the reversible pushable folding baby carriage, the middle and lower parts of the rear tent frame are rotatably connected to the U-shaped front tent frame.

The reversible foldable stroller is hinged or pivotally connected in rotation.

In the foldable stroller that can be pushed in different directions, the bottom frame assembly and the seat frame assembly are rotatably connected or pivotally connected to the seat frame.

In the foldable stroller that can be pushed in different directions, the waist-shaped hole is inclined.

The reversible foldable stroller of the present invention can be pushed forward and reversed, and can be folded. The axis of the reversing lower seat is on the same plane, so that the reversing mechanism can bear greater support force, and its strength is high, and it is not easy to be crushed; secondly, the reversing and folding actions are reliable, the operation and conversion process is smooth, and the reversing process is eliminated at the same time thirdly, the angle of the backrest frame is adjustable, which can adapt to the needs of different comfort levels of the sitters; finally, the frame structure is reasonable, easy to fold, and all parts are fully fitted, and the folded front panel components (including Dinner plate) retracted, greatly reducing its folded volume, saving storage space, easy to transport and store.

Description of drawings

Fig. 1 is the structure schematic diagram of the collapsible stroller that can be reversed and implemented according to the present invention;

Figure 2 is a perspective view of the present invention in a forward state;

Fig. 3 is a structural exploded view of the present invention;

4 is a top view of the present invention in a forward pushing state;

Fig. 5 is the A-A direction sectional view of Fig. 4;

Fig. 6 is a schematic structural view of the present invention's reverse implementation state;

Figure 7 is a perspective view of the present invention in a state of reverse promotion;

Fig. 8 is a structural diagram of a certain state in the folding process of the present invention;

Fig. 9 is a structural diagram of another state during the folding process of the present invention;

Fig. 10 is a structural schematic diagram of the folded state of the present invention.

In the figure, 1-1 push handle frame, 1-2 reversing handle, 1-3 traction cable, 1-4 return spring, 1-5 positioning piece connecting seat, 1-6 positioning piece, 1-7 reversing upper seat , 101 waist-shaped hole, 2-1 front leg, 2-2 reversible lower seat, 2-3 chassis connection support, 2-4 pedal, 201 first positioning part, 202 first positioning part, 203 first Guide surface, 204 second guide surface, 205 engagement groove, 3-1 chassis assembly, 3-2 front wheel assembly, 3-3 rear wheel assembly, 4 connecting brace, 5 seat frame assembly, 6 seat frame connecting brace, 7-1 Backrest frame, 7-2 Backrest positioning rod, 7-3 Return spring, 7-4 Backrest adjustment handle, 8 Segments, 9 Net basket frame, 10 Net basket connector, 11-1 Rear awning frame, 11 -2 car handle, 11-3 car pull rope, 11-4 return spring, 11-5 connecting sleeve, 11-6 positioning lock pin, 12 front wall assembly, 13 front wall connecting support, 14 front roof frame, 50 Guide post, 51 top post, 52 positioning slots, 53 hinge shaft, 54 guide post, 55 top post.

Detailed ways

Below in conjunction with embodiment and accompanying drawing, the present invention will be further described:

Referring to Fig. 1-5, the reversible foldable stroller of the present invention includes a push handle frame 1-1, a front leg 2-1, a chassis assembly 3-1, a front wheel assembly 3-2, and a rear wheel assembly 3-3 , seat frame assembly 5, backrest frame 7-1, net basket frame 9, rear awning frame 11-1, front wall assembly 12, front awning frame 14 (baby carriage also includes the tarpaulin that covers some parts, for clearly showing baby carriage car frame structure, each figure omits the tarpaulin). The push handle frame 1-1 is U-shaped, and the front leg 2-1 is U-shaped; Mechanism is connected, and the reversing mechanism includes the reversing upper seat 1-7 affixed to the lower end of the push handle frame 1-1, the reversing lower seat 2-2 affixed to the upper end of the front leg 2-1, and the reversing upper seat 1-7 and the upper end of the front leg 2-1. Change the lower seat 2-2 hinge.

The upper part of both sides of the push handle frame 1-1 has a guide groove, the guide groove traverses a guide post 50, the guide post 50 is connected with the reversing handle 1-2 that is overcoated on the push handle frame 1-1, and the guide post 50 It is connected with the upper end of the traction rope 1-3 placed in the frame tube of the push handle frame 1-1, so that pulling the reversing handle 1-2 upward can drive the guide post 50 to slide upward along the guide groove of the push handle frame 1-1, and then pull Pull rope 1-3 moves upwards. The lower end of the traction cable 1-3 is connected with the locating member connecting seat 1-5, and the two sides of the lower part of the locating member connecting seat 1-5 protrude outward to form a cylindrical locating member 1-6, and the upper end of the locating member connecting seat 1-5 The top presses the return spring 1-4, and the other end of the return spring 1-4 is pushed against a push post 51, which is inside the push handle frame 1-1, and the push post 51 is in contact with the traction cable 1-3, resets The spring 1-4 is overcoated on the traction cable 1-3.

Change upper seat 1-7 bottom side to have waist-shaped hole 101, and waist-shaped hole 101 is oblique shape. The positioning pieces 1-6 pass through the waist hole 101 . A first positioning part 201 and a second positioning part 202 are formed in the reversible lower seat 2-2, and the two positioning parts are in the shape of hook grooves, which are compatible with the positioning part 1-6. The first positioning part 201 is located at the lower part of the reversing lower seat 2-2, the second positioning part 202 is located at the upper part of the reversing upper seat 2-2, and the first positioning part 201 and the second positioning part 202 are connected by a first arc-shaped guide surface. 203 transition, the second positioning portion 202 transitions to the outside through the second guide surface 204 . Under the action of the return spring 1-4, the positioning member 1-6 keeps snapping into the first positioning part 201 or the second positioning part 202 under normal conditions, and the push handle frame 1-1 corresponds to the forward pushing position or the reverse pushing position. When the stroller is in the folded state, the positioning members 1-6 are separated from the first positioning portion 201 and the second positioning portion 202 . When the stroller is in an open state and needs to be reversed, the positioning members 1-6 slide into the first positioning portion 201 or the second positioning portion 202 through the first guiding surface 203 or the second guiding surface 204 .

Figure 1-5 shows that the push handle frame 1-1 is in the forward pushing state, and the locating member 1-6 passes through the waist-shaped hole 101 and snaps into the first locating part 201; when it needs to be reversed and pushed, pull it up to change the direction The handle 1-2 drives the traction rope 1-3 to move upward until the positioning part 1-6 is driven to break away from the first positioning part 201. At this time, there is only one hinge between the reversing upper seat 1-7 and the reversing lower seat 2-2. point, the push handle frame 1-1 and the front leg 2-1 can relatively rotate. Turn over the push handle frame 1-1 forward again, make the locating member 1-6 slide along the first guide surface 203 until it snaps into the second locating portion 202, and the whole vehicle is in the state of reverse pushing, see Fig. 6 and 7 .

The present invention adopts the technical scheme built in the reversing mechanism, that is, in the forward pushing state, the connecting parts of the push handle frame 1-1, the reversing mechanism, and the front leg 2-1 are in the same straight line, when the push handle frame 1-1 1 When pushing backwards, the three are on the same plane. The push handle frame 1-1 is always kept in the same lateral plane as the front leg 2-1 within the range of motion, thereby enhancing the bearing capacity of the reversing mechanism, and its strength is high. Moreover, the whole vehicle has a simple structure and a smooth appearance .

When folding the vehicle, it is necessary to fold the push handle frame 1-1, pull the reversing handle 1-2 upwards, and then drive the traction rope 1-3 to move upwards until the positioning member 1-6 is driven to break away from the second positioning part 202. At this time, due to There is only one hinge point between the reversing upper seat 1-7 and the reversing lower seat 2-2, and the push handle frame 1-1 can be rotated to make the positioning member 1-6 slide along the second guide surface 204 until it breaks away from the second guide surface 204, And make push handle frame 1-1 close together downwards, referring to Fig. 8. Of course, the folding operation of the push handle frame 1-1 is only one of the steps of folding the whole vehicle.

The bottom of the front leg 2-1 is fixedly connected to the pedal 2-4, and the bottom of the front leg 2-1 is also connected to the hinged chassis assembly 3-1 by the chassis connection support 2-3, and the front lower part of the chassis assembly 3-1 is provided with a There is a front wheel assembly 3-2, and the front wheel assembly 3-2 includes a pair of front wheels; the rear lower part of the chassis assembly 3-1 is provided with a rear wheel assembly 3-3, and the rear wheel assembly 3-3 includes a pair of rear wheels.

The lower end of the U-shaped rear tent frame 11-1 is hinged to the connecting brace 4, and the lower end of the connecting brace 4 is hinged to the middle front part of the chassis assembly 3-1. The middle and lower part of the connecting brace 4 is provided with a segment piece 8 , and several positioning slots 52 are provided on the segment piece 8 .

The underframe assembly 3-1 is also hinged to the U-shaped basket frame 9, and the basket connector 10 is hinged between the basket frame 9 and the lower part of the connecting support 4. The base frame assembly 3-1 is hinged with the seat frame connecting support 6 between the vehicle assembly 5, and the seat frame connecting support 6 and the net basket frame 9 are hinged to the base frame assembly 3-1 on the same hinge axis.

The rear middle part of the seat frame assembly 5 is hingedly connected to the support 4, and the rear portion of the seat frame assembly 5 is hinged with a U-shaped backrest frame 7-1, and the two ends of the backrest frame 7-1 are provided with guide holes, and each of the guide holes on both sides is inserted into the backrest for positioning. The end of the bar 7-2, the backrest positioning rod 7-2 can slide along the guide hole, the backrest positioning rod 7-2 is connected with the two ends of the U-shaped backrest adjustment handle 7-4, and the backrest positioning rod 7-2 presses the return spring 7-3, the backrest spring 7-3 is in the backrest frame 7-1 tube, and the other end of the backrest spring 7-3 abuts on the hinge shaft 53 that the backrest frame 7-1 is connected with the seat frame assembly 5. The end of the backrest positioning rod 7-2 stretches out the end of the backrest frame 7-1 and the positioning slot 52 of the segment piece 8 is suitable, and under the effect of the return spring 7-3, the end of the backrest positioning rod 7-2 is locked. Insert it into a certain positioning slot of segment piece 8. When adjusting the angle of the backrest frame 7-1, pull the backrest adjustment handle 7-4 upwards, which drives the backrest positioning rod 7-2 to slide along the guide hole and press the return spring 7-3 until it breaks away from the positioning of the segment piece 8 Draw-in groove, at this moment, rotate backrest frame 7-1 to suitable angle, make backrest positioning rod 7-2 be snapped in the corresponding positioning draw-in groove of segment piece 8 under the restoring force effect of back-moving spring 7-3. When folding the vehicle, pull the backrest adjustment handle 7-4 to drive the backrest positioning bar 7-2 to break away from any positioning slot of the segment piece 8, and rotate the backrest frame 7-1 so that the backrest frame 7-1 is brought together downward. See Figure 9. The folding of the backrest frame 7-1 is also one of the steps in the folding operation of the whole vehicle.

The backrest frame of the present invention can be adjusted to adapt to the comfort of sitting, and the adjustment operation is simple and convenient.

The middle and lower part of the rear awning frame 11-1 is hinged to the two ends of the U-shaped front awning frame 14 and the front wall assembly 12, the front wall assembly 12 is provided with a dinner plate, and the front wall assembly 12 is hinged between the front wall assembly 12 and the reversible lower seat 2-2 Connect support 13.

The two ends of the rear tent frame 11-1 are hinged with the reversible lower seat 2-2 on the upper end of the front leg 2-1. The two ends of -2 are respectively slidably placed outside the upper part of the rear tent frame 11-1 both sides, and this part of the rear tent frame 11-1 has a guide groove, and the guide groove traverses a guide post 54, and the outer guide post 54 The end is connected with the handle 11-2 for receiving the car, the inside of the guide post 54 is fixedly connected with the upper end of the traction cable 11-3 for receiving the vehicle placed in the tube of the rear tent frame 11-1, and the lower end of the traction cable 11-3 for receiving the vehicle is fixedly connected with the positioning lock. Pin 11-6, the lower end of rear awning frame 11-1 has corresponding guide hole, and outside the corresponding position outside the guide hole, sliding type connection sleeve 11-5 is sleeved, and connection sleeve 11-5 and positioning lock pin 11-6 Linked, the positioning lock pin 11-6 passes through the guide hole of the rear tent frame 11-1, passes through the connecting sleeve 11-5, and snaps into the engaging groove 205. At this moment, the whole vehicle is in the unfolded state. Positioning lock pin 11-6 pushes back-moving spring 11-4 inside, and the upper end of back-moving spring 11-4 pushes against the top post 55 in the rear awning frame 11-1, and this top post is in contact with the traction cable 11-3 of the car, resets The spring 11-4 is overcoated in the traction cable 11-3 for receiving the car. When the stroller is in the open state, the positioning lock pin 11-6 slides into the engagement groove 205 inside the reversing lower seat 2-2 through the guide surface under the action of the return spring 11-4 and remains in the reversing lower seat In the engaging groove 205 on the side; during folding operation, pull the handle 11-2 upwards, and the handle 11-2 drives the pulling rope 11-3 to move upward, and then drives the positioning lock pin 11-6 to break away from the engaging groove 205, the positioning lock pin 11-6 snaps into the engaging groove 205, at this time, the rear tent frame 11-1 and the reversing lower seat 2-2 have only one hinge point, and the two can be rotated relatively, and then combined with the hinge of other parts And interlocking relation and folding car load, referring to Fig. 10. When the stroller is in the folded state, the positioning lock pin 11-6 is kept at the bottom of the waist-shaped hole 101 under the action of the back-moving spring 11-4. It can be seen from FIG. 10 that after the stroller of the present invention is folded, the front wall assembly 12 is retracted, thereby reducing the space occupied and the volume, which is convenient for storage and transportation.

The preferred embodiments of the present invention have been described in detail above. For those of ordinary skill in the art, according to the ideas provided by the present invention, there will be changes in the specific embodiments and application scope of the present invention, for example, the rotational connection method It may be a pivot joint, and these changes should also be regarded as the protection scope of the present invention. In summary, the contents of this specification should not be construed as limiting the protection scope of the present invention.

Claims (10)

1. Reversible folding stroller, including push handle frame, front legs, chassis assembly, front wheel assembly, rear wheel assembly, seat frame assembly, backrest frame, rear canopy frame, front wall assembly, and the lower part of the front legs Rotate and connect the base frame assembly, the base frame assembly is provided with a front wheel assembly and a rear wheel assembly, the front wheel assembly includes a pair of front wheels, and the rear wheel assembly includes a pair of rear wheels; the rear part of the seat frame assembly is rotatably connected to the backrest frame; The middle and lower part of the front wall is connected to the front wall assembly by rotation, and the front wall assembly is provided with a dinner plate; it is characterized in that: the two lower ends of the push handle frame are respectively connected with the two upper ends of the front legs through a reversing mechanism, and the reversing mechanism includes a push handle The reversing upper seat affixed to the lower end of the frame, the reversing lower seat affixed to the upper end of the front leg, the reversing upper seat and the reversing lower seat are rotatably connected; Link the traction cable in the frame tube, the lower end of the traction cable is connected with a positioning piece connecting seat, the two sides of the positioning piece connecting seat protrude outward to form a positioning piece, the upper end of the positioning piece connecting seat presses the return spring, and the return spring The other end is placed in the push handle frame; there is a waist-shaped hole on the side of the switch upper seat, and the positioning piece passes through the waist-shaped hole; the first positioning part and the second positioning part are formed in the switch lower seat, and the two positioning parts are connected with the positioning The two positioning parts are matched by the first guide surface; when the push handle frame is in the forward push state, the positioning part passes through the waist-shaped hole and snaps into the first positioning part, and the positioning part can slide along the first guide surface When it is locked into the second positioning part, the push handle frame is in the reverse push state; the two ends of the rear tent frame are rotatably connected with the reversing lower seat on the front leg, and there is also a retractable car seat between the rear awning frame and the reversing lower seat. device. 2. The reversible foldable stroller according to claim 1, characterized in that: the rear tent frame is U-shaped, the lower end of which is rotatably connected to a connecting brace, and the lower end of the connecting brace is rotatably connected to the bottom frame assembly. middle front. 3. The reversible foldable stroller as claimed in claim 2, characterized in that: the connecting brace is provided with segmented pieces, and the segmented pieces are provided with several positioning slots; the two ends of the backrest frame are opened There are guide holes, and the ends of the backrest positioning rods are placed in the guide holes on both sides. The backrest positioning rods can slide along the guide holes. The backrest positioning rods are connected with a U-shaped backrest adjustment handle, and the backrest positioning rods press the return spring to reset. The spring is in the backrest frame tube, and the other end of the return spring is pushed against the backrest frame; the end of the backrest positioning rod protruding from the backrest frame is adapted to the positioning slot of the segment piece, and under the action of the return spring, the position of the backrest positioning rod The end is snapped into a certain positioning slot of the segment piece. 4. The reversible foldable stroller according to claim 2, characterized in that: the bottom frame assembly is rotatably connected to the U-shaped basket frame, and the basket frame is rotatably connected to the basket connector between the middle and lower parts of the connecting brace . 5. The reversible foldable stroller according to claim 1, characterized in that: said retractable device includes a retractable handle, which is arranged on the rear awning frame, and the retractable handle is placed on the rear awning The vehicle retracting traction cable in the frame tube is linked, the lower end of the vehicle retracting traction cable is fixedly connected with the positioning lock pin, the lower end of the rear tent frame is provided with a guide hole, and a sliding connecting sleeve is sleeved outside the corresponding position outside the guide hole. The locking pins are interlocked, and the positioning locking pin passes through the guide hole of the rear awning frame and the connecting sleeve, and then snaps into the engaging groove opened in the lower seat of the switch; the positioning locking pin pushes the reset spring inside, and the other end of the reset spring pushes against the rear awning frame . 6. The reversible foldable stroller according to claim 1, characterized in that: the cowl assembly and the reversible lower seat are rotatably connected to the cowl connecting brace; the lower parts of the front legs are connected through the chassis The support is rotatably connected to the chassis assembly, and the lower part of the front leg is fixedly connected to the pedal. 7. The reversible folding stroller according to any one of claims 1-3 or 5, characterized in that: the middle and lower part of the rear tent frame is rotatably connected to the U-shaped front tent frame. 8. The reversible foldable stroller according to claim 1 or 2 or 4 or 6, characterized in that: said rotational connection is hinged or pivoted. 9 . The reversible foldable stroller according to claim 1 , 2 , 4 , or 6 , characterized in that: the base frame assembly and the seat frame assembly are connected in rotation or pivotally connected to the seat frame. 10. The reversible folding stroller according to claim 1, characterized in that: said waist-shaped hole is inclined.

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