CN109484461B

CN109484461B - Safe baby carriage

Info

Publication number: CN109484461B
Application number: CN201811188690.2A
Authority: CN
Inventors: 秦金凤
Original assignee: Shenzhen Xinyirui Enterprise Management Co ltd
Current assignee: Shenzhen xinyirui Enterprise Management Co.,Ltd.
Priority date: 2018-10-12
Filing date: 2018-10-12
Publication date: 2021-04-13
Anticipated expiration: 2038-10-12
Also published as: CN109484461A

Abstract

The invention relates to a baby carriage, in particular to a safe baby carriage. The technical problem to be solved is as follows: the safe baby carriage has the advantages of better damping effect, capability of braking in time and higher safety. The technical scheme of the invention is as follows: a safe baby carriage comprises a carriage frame, a bracket, a bearing, a rotating shaft, a disc, a damping device, wheels, a seat and the like; the equal rotary type in both sides lower part is equipped with the support around the frame, and the bearing is all installed to both sides lower extreme and support lower extreme around the frame, installs the pivot on the bearing, and place ahead pivot rear end all is equipped with the disc with rear pivot front end, evenly is equipped with three damping device on the disc, and three damping device outer end is connected with the wheel, and the frame middle part is equipped with the seat. The invention is provided with the damping device and the first spring, the damping device can reduce the jolt of the seat, so that the baby can feel more comfortable when sitting, and the first spring can also play a role in damping and buffering, so that the damping effect is better.

Description

Safe baby carriage

Technical Field

The invention relates to a baby carriage, in particular to a safe baby carriage.

Background

In daily life, when people go out with a baby, the baby is often placed in the baby carriage, the baby carriage is pushed by the people to move, convenience is provided for outdoor activities of the baby, meanwhile, the burden of the people is relieved, the baby carriages in the market at present are various in variety and different in emphasis, but most of the baby carriages are not good in damping effect and only suitable for a smooth road surface, when the baby is in a bumpy road surface, the baby can feel uncomfortable to sit, the baby can be held by the people, the baby carriage is pushed to move, the baby carriage is held by one hand, and the baby carriage is pushed by one hand, so that the people feel tired; although most of the baby carriages are provided with devices for fixing wheels, when people need to fix the position of the baby carriage, the baby carriage is fixed only after stopping, which is very inconvenient, and when an accident occurs, the baby carriage is not stopped at all, so that danger is easily brought to the baby, and the safety is not high.

Disclosure of Invention

In order to overcome the defects that the existing baby carriage has poor damping effect, insufficient brake timeliness and insufficient safety, the technical problem to be solved is as follows: the safe baby carriage has the advantages of better damping effect, capability of braking in time and higher safety.

The technical scheme of the invention is as follows: a safe baby carriage comprises a carriage frame, supports, bearings, rotating shafts, discs, damping devices, wheels, seats, first hollow pipes, first springs, first sliding rods and first screw rods, wherein the supports are rotatably arranged on the lower portions of the front side and the rear side of the carriage frame, the bearings are respectively arranged at the lower ends of the front side and the rear side of the carriage frame and at the lower ends of the supports, the rotating shafts are arranged on the bearings, the discs are respectively arranged at the rear end of the front rotating shaft and the front end of the rear rotating shaft, the three damping devices are uniformly arranged on the discs, the outer ends of the three damping devices are connected with the wheels, the seats are arranged in the middle of the carriage frame, the first hollow pipes are rotatably arranged on the left side of the top of the supports, the first springs are connected to the inner bottom of the first hollow pipes, the first sliding rods are rotatably arranged at the front end and the rear end of the middle of the left, the right end of the first screw rod is in contact with the first sliding rod.

As a preferred technical scheme of the invention, the damping device comprises damping hollow pipes, damping springs, damping slide rods and swing seats, the disc is uniformly provided with three damping hollow pipes, the damping hollow pipes are connected with the damping springs, the inner sides of the wheels are uniformly connected with the three swing seats, the swing seats are rotatably provided with the damping slide rods, the inner ends of the damping slide rods are positioned in the damping hollow pipes, and the inner ends of the damping slide rods are connected with the outer ends of the damping springs.

As a preferred technical scheme of the invention, the vehicle body frame further comprises a second hollow pipe, a guide rod, a clamping block, a second spring, a sliding sleeve, a second sliding rod, a first baffle and a third spring, wherein a first clamping groove is uniformly formed in the front end of a front rotating shaft and the rear end of a rear rotating shaft, the lower ends of the front side and the rear side of the vehicle frame are connected with the second hollow pipe, the second hollow pipe is positioned on the right side of the rotating shaft, a first guide hole is formed in the right side of the second hollow pipe, the guide rod is movably arranged in the first guide hole, the second clamping groove is formed in the middle of the guide rod, the clamping block is arranged at the left end of the guide rod, the right side of the clamping block is connected with the second spring, the right end of the second spring is connected with the second hollow pipe, the sliding sleeve is arranged on the right side of the front part of the second hollow pipe, the second sliding rod is internally, the upper end of the third spring is connected with a second sliding rod, a through hole is formed in the middle of the second hollow tube and communicated with the first guide hole, the left end of the second sliding rod penetrates through the through hole, and the left end of the second sliding rod is located in the second clamping groove.

As a preferable technical proposal of the invention, the invention also comprises a guide tube, a pull rope and a sliding plate, the fourth spring, the third hollow tube, fifth spring and second baffle, both sides all are equipped with the stand pipe around in the frame, the portable stay cord that is equipped with in the stand pipe, the spout has all been opened on both sides upper portion around the frame, evenly be connected with the fourth spring in the spout, the fourth spring right-hand member is connected with the slide, the slide left side is located the spout, the stay cord left end is connected with the slide right side, both sides lower extreme all is equipped with the third hollow tube around the frame, the third hollow tube is located second hollow tube left side below, the bottom is connected with the fifth spring in the third hollow tube, it has the second guiding hole to open on the third hollow tube, the slidingtype is equipped with the second baffle in the second guiding hole, the baffle is located second hollow tube left side, second baffle downside is connected with fifth spring upper end.

As a preferable technical scheme, the bicycle frame further comprises a second screw rod, a fixing plate and a handle, wherein second threaded holes are formed in the front side and the rear side of the upper portion of the bicycle frame, the second threaded holes are located below the sliding plate, the second screw rod is arranged in the second threaded holes, the fixing plate is arranged at the upper end of the second screw rod, the handle is arranged at the lower end of the second screw rod, and the handle is located below the second threaded holes.

When people need to push a baby, the baby is firstly placed on the seat, then the frame and the support are pushed to move left and right, and the wheels and the damping devices are driven to move left and right, when the frame is pushed to move left and right, the damping devices on the wheels can reduce the jolt of the seat, so that the baby can sit more comfortably, the situation that the seat jolts seriously when the ground is uneven is prevented, the first spring can also play a role in damping and buffering, when people need to adjust the inclined angle of the seat, the first screw rod is firstly screwed out from the first threaded hole, the first screw rod does not press the first sliding rod any more, if people need to adjust the inclined angle of the seat, the frame is pressed downwards, so that the first sliding rod moves downwards, the first sliding rod compresses the first spring, if people need to adjust the inclined angle of the seat, the frame is lifted upwards by people, and the first sliding rod moves upwards under the elastic force of the first spring, after the angle of the seat is adjusted, people screw the first screw rod into the first threaded hole, the first screw rod presses the first sliding rod tightly, and the position of the first sliding rod is fixed, so that the seat is adjusted in place.

When the wheel is when removing, the shock attenuation slide bar slides in the shock attenuation hollow tube, and constantly compress damping spring, thereby carry out the shock attenuation buffering for whole device, reduce the vibrations of whole device, and the frame can compel bearing and pivot at the removal in-process, and then can oppress damping device, thereby drive the shock attenuation slide bar and rotate on the swing seat, with the jolt power on the pressure of buffering frame and ground, when a damping device pressurized, two other damping device can provide a pulling force, prevent too big and impaired at the damping device pressure that removes in-process pressurized, thereby influence going of wheel.

When the wheel is subjected to a large impact force in the moving process, the frame can move downwards under the action of inertia to further drive the second hollow pipe to move downwards, the second hollow pipe drives the sliding sleeve, the second sliding rod and the first baffle plate to move downwards, when the first baffle plate is contacted with the inner side of the wheel, the first baffle plate does not move downwards any more, so that the second sliding rod stops moving downwards, the second hollow pipe and the sliding sleeve still move downwards under the action of inertia, the third spring is stretched, the second sliding rod can be separated from the second clamping groove, so that the guide rod is not clamped any more, the guide rod can move leftwards under the action of the spring force of the second spring, the guide rod drives the clamping block to move leftwards, so that the clamping block is clamped into the first clamping groove, the rotating shaft stops rotating, the wheel stops moving, the wheel is prevented from continuing to move under the action of inertia when an accident occurs, and further injury to the baby on the seat can be, the safety is improved, after the impact force, the frame can resume the normal position under damping device's effect, the frame can drive the second hollow tube, the sliding sleeve, second slide bar and first baffle rebound, then people stimulate the guide bar right again, the guide bar drives the fixture block and moves right, the second spring is compressed, and then make the fixture block deviate from in the first draw-in groove, then the second slide bar rebound under the spring force effect of third spring, the second slide bar card is gone into in the second draw-in groove, thereby fix the position of guide bar, the pivot is no longer blocked to the fixture block, the wheel can continue to move.

When people push the wheel type road surface rolling machine to move on a bumpy road surface, in order to prevent the situation that the rotating shaft is clamped by the clamping block and cannot move, people press the sliding plates on the front side and the rear side leftwards by hands, the sliding plates pull the pull rope to move leftwards, the fourth spring is compressed, the second baffle is driven to move upwards, the fifth spring is stretched, the second baffle blocks the clamping block, the clamping block cannot clamp the rotating shaft, and the wheel type road surface rolling machine is convenient for people to push the wheel type road surface rolling machine to move.

When people move on a bumpy road surface, people press the sliding plate leftwards firstly, then rotate the handle forwards, the handle drives the second screw rod to rotate forwards, and then the second screw rod drives the fixing plate to move upwards, so that the fixing plate blocks the sliding plate.

The beneficial effects are that: the invention is provided with the damping device and the first spring, the damping device can reduce the jolt of the seat, so that the baby can feel more comfortable when sitting, and the first spring can also play a role in damping and buffering, so that the damping effect is better; when the baby carriage receives great impact force, the second slide bar can be separated from the second clamping groove, and then the clamping block is clamped into the first clamping groove, so that the rotating shaft stops rotating, the wheels stop moving, the brake is timely, the wheels are prevented from continuously moving under the action of inertia when accidents occur, the injury to the baby on the seat is reduced, and the safety is improved.

Drawings

Fig. 1 is a first front view structure diagram of the present invention.

Fig. 2 is an enlarged schematic view of the structure of the present invention a.

Fig. 3 is a second front view structure diagram of the present invention.

FIG. 4 is an enlarged schematic view of the present invention B.

Fig. 5 is a third schematic view of the present invention.

FIG. 6 is an enlarged schematic view of the present invention C.

FIG. 7 is an enlarged schematic view of the present invention D.

Fig. 8 is a partially enlarged schematic view of the present invention.

In the reference symbols: 1 … frame, 2 … bracket, 3 … bearing, 4 … rotation shaft, 5 … disc, 6 … shock absorber, 601 … shock absorber hollow tube, 602 … shock absorber spring, 603 … shock absorber slide bar, 604 … swing seat, 7 … wheel, 8 … seat, 9 … first hollow tube, 10 … first spring, 11 … first slide bar, 12 … first threaded hole, 13 … first screw, 14 … first slot, 15 … second hollow tube, 16 … first guide hole, 17 … guide bar, 18 … second slot, 19 … block, 20 … second spring, 21 … slide, 22 … second slide bar, 23 … first baffle, 24 … third spring, 25 … through hole, 26 … guide tube, 27 …, 28 … slide slot, 29 …, 30 … fourth spring, … third spring, 3632, … fifth spring, … guide hole, … second hollow tube …, … second screw hole, 37 … fixed plate, 38 … handle.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Example 1

A safe baby carriage is shown in figures 1-8 and comprises a carriage 1, a bracket 2, a bearing 3, a rotating shaft 4, a disc 5, a damping device 6, wheels 7, a seat 8, a first hollow tube 9, a first spring 10, a first slide bar 11 and a first screw 13, wherein the bracket 2 is rotatably arranged at the lower parts of the front side and the rear side of the carriage 1, the bearings 3 are respectively arranged at the lower ends of the front side and the rear side of the carriage 1 and the lower end of the bracket 2, the rotating shaft 4 is arranged on the bearing 3, the disc 5 is respectively arranged at the rear end of the front rotating shaft 4 and the front end of the rear rotating shaft 4, the disc 5 is uniformly provided with the three damping devices 6, the outer ends of the three damping devices 6 are connected with the wheels 7, the seat 8 is arranged in the middle part of the carriage 1, the first hollow tube 9 is rotatably arranged at the left side of the top of the bracket, the lower end of a first sliding rod 11 is positioned in a first hollow tube 9, the lower end of the first sliding rod 11 is connected with the upper end of a first spring 10, the upper part of the left side of the first hollow tube 9 is connected with a first screw 13 through a first threaded hole 12, and the right end of the first screw 13 is in contact with the first sliding rod 11.

Example 2

The damping device 6 comprises a damping hollow tube 601, a damping spring 602, a damping slide rod 603 and a swing seat 604, three damping hollow tubes 601 are uniformly arranged on the disc 5, the damping spring 602 is connected in the damping hollow tube 601, three swing seats 604 are uniformly connected to the inner side of the wheel 7, a damping slide rod 603 is rotatably arranged on the swing seat 604, the inner end of the damping slide rod 603 is located in the damping hollow tube 601, and the inner end of the damping slide rod 603 is connected with the outer end of the damping spring 602.

Example 3

The bicycle frame comprises a frame body, and is characterized by further comprising a second hollow tube 15, a guide rod 17, a clamping block 19, a second spring 20, a sliding sleeve 21, a second sliding rod 22, a first baffle 23 and a third spring 24, wherein a first clamping groove 14 is uniformly formed in the front end of a front rotating shaft 4 and the rear end of a rear rotating shaft 4, the lower ends of the front side and the rear side of the frame body 1 are connected with the second hollow tube 15, the second hollow tube 15 is positioned at the right side of the rotating shaft 4, a first guide hole 16 is formed in the right side of the second hollow tube 15, the guide rod 17 is movably arranged in the first guide hole 16, a second clamping groove 18 is formed in the middle of the guide rod 17, the clamping block 19 is arranged at the left end of the guide rod 17, the second spring 20 is connected to the right side of the clamping block 19, the right end of the second spring 20 is connected with the second hollow tube 15, the sliding sleeve 21 is arranged on the right side of the front, the top of the second hollow tube 15 is connected with a third spring 24, the third spring 24 is positioned at the left side of the sliding sleeve 21, the upper end of the third spring 24 is connected with a second sliding rod 22, the middle of the second hollow tube 15 is provided with a through hole 25, the through hole 25 is communicated with the first guide hole 16, the left end of the second sliding rod 22 passes through the through hole 25, and the left end of the second sliding rod 22 is positioned in the second clamping groove 18.

Example 4

The bicycle frame further comprises a guide pipe 26, a pull rope 27, a sliding plate 29, a fourth spring 30, a third hollow pipe 31, a fifth spring 32 and a second baffle 34, the guide pipe 26 is arranged on the front side and the rear side in the bicycle frame 1, the pull rope 27 is arranged in the guide pipe 26 in a movable manner, sliding grooves 28 are formed in the upper portions of the front side and the rear side of the bicycle frame 1, the fourth spring 30 is uniformly connected in the sliding grooves 28, the sliding plate 29 is connected to the right end of the fourth spring 30, the left side of the sliding plate 29 is positioned in the sliding grooves 28, the left end of the pull rope 27 is connected with the right side of the sliding plate 29, the third hollow pipe 31 is arranged at the lower ends of the front side and the rear side of the bicycle frame 1, the third hollow pipe 31 is positioned at the left lower portion of the second hollow pipe 15, the fifth spring 32 is connected to the bottom in the third hollow pipe 31, a second guide hole 33 is formed in the third, the upper side of the second baffle 34 is connected with the lower end of the pull rope 27.

Example 5

The bicycle frame is characterized by further comprising a second screw rod 36, a fixing plate 37 and a handle 38, wherein second threaded holes 35 are formed in the front side and the rear side of the upper portion of the bicycle frame 1, the second threaded holes 35 are located below the sliding plate 29, the second screw rod 36 is arranged in the second threaded holes 35, the fixing plate 37 is arranged at the upper end of the second screw rod 36, the handle 38 is arranged at the lower end of the second screw rod 36, and the handle 38 is located below the second threaded holes 35.

When people need to push a baby, the baby is firstly placed on the seat 8, then the frame 1 and the support 2 are pushed to move left and right, the wheels 7 and the damping devices 6 are driven to move left and right, when the frame 1 is pushed to move left and right, the damping devices 6 on the wheels 7 can reduce the jolt of the seat 8, so that the baby can sit more comfortably, the jolt of the seat 8 is prevented from being severe when the ground is uneven, the first spring 10 can also play a role in damping and buffering, when people need to adjust the inclined angle of the seat 8, the first screw 13 is firstly screwed out from the first threaded hole 12, the first screw 13 does not compress the first sliding rod 11, if people need to adjust the inclined angle of the seat 8 to be increased, the people press the frame 1 downwards, so that the first sliding rod 11 moves downwards, the first sliding rod 11 compresses the first spring 10, if people need to adjust the inclined angle of the seat 8 to be decreased, people lift the frame 1 upwards, so that the first sliding rod 11 moves upwards under the elastic force of the first spring 10, and after the angle of the seat 8 is adjusted, people screw the first screw 13 into the first threaded hole 12, the first screw 13 presses the first sliding rod 11 tightly, so that the position of the first sliding rod 11 is fixed, and the seat 8 is adjusted in place.

When the wheel 7 is moving, the damping slide rod 603 slides in the damping hollow tube 601, and continuously compresses the damping spring 602, thereby damping and buffering are carried out for the whole device, the vibration of the whole device is reduced, and the frame 1 can oppress the bearing 3 and the rotating shaft 4 in the moving process, and then can oppress the damping device 6, thereby driving the damping slide rod 603 to rotate on the swinging seat 604, so as to buffer the pressure of the frame 1 and the jolting force on the ground, when one damping device 6 is pressed, the other two damping devices 6 can provide a pulling force, prevent that the damping device 6 pressed in the moving process is too big in pressure and damaged, thereby influencing the driving of the wheel 7.

When the wheel 7 is subjected to a large impact force in the moving process, the frame 1 moves downwards under the action of inertia, so as to drive the second hollow tube 15 to move downwards, the second hollow tube 15 drives the sliding sleeve 21, the second sliding rod 22 and the first baffle 23 to move downwards, when the first baffle 23 contacts with the inner side of the wheel 7, the first baffle 23 does not move downwards any more, so that the second sliding rod 22 stops moving downwards, the second hollow tube 15 and the sliding sleeve 21 still move downwards under the action of inertia, the third spring 24 is stretched, the second sliding rod 22 can be separated from the second clamping groove 18, so that the guide rod 17 is not clamped any more, the guide rod 17 can move leftwards under the spring force of the second spring 20, the guide rod 17 drives the clamping block 19 to move leftwards, so that the clamping block 19 is clamped into the first clamping groove 14, the rotating shaft 4 stops rotating, the wheel 7 stops moving, and the wheel 7 is prevented from continuing to move under the action of inertia when an accident occurs, further, the injury to the baby on the seat 8 can be reduced, the safety is improved, after the impact force is over, the frame 1 can be restored to the original position under the action of the shock absorption device 6, the frame 1 can drive the second hollow tube 15, the sliding sleeve 21, the second sliding rod 22 and the first baffle 23 to move upwards, then people pull the guide rod 17 rightwards, the guide rod 17 drives the fixture block 19 to move rightwards, the second spring 20 is compressed, the fixture block 19 is separated from the first clamping groove 14, then the second sliding rod 22 moves downwards under the spring force of the third spring 24, the second sliding rod 22 is clamped into the second clamping groove 18, the position of the guide rod 17 is fixed, the fixture block 19 does not clamp the rotating shaft 4 any more, and the wheels 7 can continue to move.

When people push the invention to move on a bumpy road surface, in order to prevent the situation that the rotating shaft 4 is clamped by the clamping block 19 and cannot move, people press the sliding plates 29 at the front and rear sides leftwards by hands, the sliding plates 29 pull the pull rope 27 to move leftwards, the fourth spring 30 is compressed, and then the second baffle 34 is driven to move upwards, the fifth spring 32 is stretched, the second baffle 34 blocks the clamping block 19, so that the rotating shaft 4 cannot be clamped by the clamping block 19, and the people push the invention to move the invention conveniently, when the wheel 7 runs on the bumpy road surface, people release the sliding plates 29, the sliding plates 29 move rightwards under the spring force of the fourth spring 30, the fourth spring 30 is reset, the sliding plates 29 loosen the pull rope 27, the second baffle 34 moves downwards under the spring force of the fifth spring 32, the fifth spring 32 is reset, the second baffle 34 drives the pull rope 27 to move downwards and reset, thereby no longer blocking the latch 19 and improving the adaptability.

When people move on a bumpy road surface, people press the sliding plate 29 leftwards, then rotate the handle 38 in the forward direction, the handle 38 drives the second screw rod 36 to rotate in the forward direction, and then the second screw rod 36 drives the fixing plate 37 to move upwards, so that the fixing plate 37 blocks the sliding plate 29, therefore, people can be prevented from pressing the sliding plate 29 with hands all the time, the pressure of the hands of people is relieved, people can push the invention better, the road surface and a nursing baby can be observed more intensively, when people drive on the bumpy road surface, people rotate the handle 38 in the reverse direction, the handle 38 drives the second screw rod 36 to rotate in the reverse direction, and then the second screw rod 36 drives the fixing plate 37 to move downwards, so that the fixing plate 37 resets, and the sliding plate 29 is not blocked any more.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims

1. A safe baby carriage comprises a carriage frame, supports, bearings, rotating shafts, discs, damping devices, wheels and seats, wherein the supports are arranged on the lower portions of the front side and the rear side of the carriage frame in a rotating mode, the bearings are arranged on the lower ends of the front side and the rear side of the carriage frame and the lower ends of the supports, the rotating shafts are arranged on the bearings, the discs are arranged at the rear end of the front rotating shaft and the front end of the rear rotating shaft, the three damping devices are evenly arranged on the discs, the wheels are connected to the outer ends of the three damping devices, the seats are arranged in the middle of the carriage frame, the safe baby carriage is characterized by further comprising a first hollow tube, a first spring, a first sliding rod and a first screw rod, the first sliding rod is rotatably arranged at the front end and the rear end of the left side of the top of the support, the first spring is connected to the bottom of the first hollow tube, the first sliding rod is rotatably, the right end of the first screw rod is in contact with the first sliding rod; the damping device comprises damping hollow pipes, damping springs, damping slide rods and swing seats, wherein the disc is uniformly provided with three damping hollow pipes, the damping springs are connected in the damping hollow pipes, the inner sides of the wheels are uniformly connected with the three swing seats, the swinging seats are rotatably provided with the damping slide rods, the inner ends of the damping slide rods are positioned in the damping hollow pipes, and the inner ends of the damping slide rods are connected with the outer ends of the damping springs; the front end of the front rotating shaft and the rear end of the rear rotating shaft are uniformly provided with a first clamping groove, the lower ends of the front side and the rear side of the frame are connected with the second hollow pipe, the second hollow pipe is positioned at the right side of the rotating shaft, the right side of the second hollow pipe is provided with a first guide hole, the guide rod is movably arranged in the first guide hole, the middle part of the guide rod is provided with a second clamping groove, the left end of the guide rod is provided with the clamping block, the right side of the clamping block is connected with a second spring, the right end of the second spring is connected with the second hollow pipe, the right side of the front part of the second hollow pipe is provided with the sliding sleeve, the sliding sleeve is internally provided with the second slide rod in a sliding manner, the lower end of the second slide rod is provided with the first baffle, the first baffle is positioned at the inner side of the wheel, the top of the second hollow pipe is connected with a third, the middle part of the second hollow pipe is provided with a through hole which is communicated with the first guide hole, the left end of the second slide bar passes through the through hole, and the left end of the second slide bar is positioned in the second clamping groove.

2. A safety stroller according to claim 1, further comprising a guide tube, a pull cord, a slide plate, the fourth spring, the third hollow tube, fifth spring and second baffle, both sides all are equipped with the stand pipe around in the frame, the portable stay cord that is equipped with in the stand pipe, the spout has all been opened on both sides upper portion around the frame, evenly be connected with the fourth spring in the spout, the fourth spring right-hand member is connected with the slide, the slide left side is located the spout, the stay cord left end is connected with the slide right side, both sides lower extreme all is equipped with the third hollow tube around the frame, the third hollow tube is located second hollow tube left side below, the bottom is connected with the fifth spring in the third hollow tube, it has the second guiding hole to open on the third hollow tube, the slidingtype is equipped with the second baffle in the second guiding hole, the baffle is located second hollow tube left side, second baffle downside is connected with fifth spring upper end.

3. A safety stroller according to claim 2, further comprising a second screw, a fixing plate and a handle, wherein the front and rear sides of the upper part of the frame are provided with second threaded holes, the second threaded holes are located below the sliding plate, the second screw is arranged in the second threaded holes, the fixing plate is arranged at the upper end of the second screw, the handle is arranged at the lower end of the second screw, and the handle is located below the second threaded holes.