CN112407015A

CN112407015A - Wheel suspension buffer mechanism of baby stroller

Info

Publication number: CN112407015A
Application number: CN202011285273.7A
Authority: CN
Inventors: 赖振友
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-26

Abstract

The invention relates to the technical field of children products, and discloses a wheel suspension buffer mechanism of a baby stroller, which comprises a connecting rod, wherein the lower end of the connecting rod is fixedly connected with a protective cover, the middle part of the lower end of the protective cover is movably connected with a rubber sleeve, and the inner cavity of the rubber sleeve is fixedly connected with a rotating sleeve. According to the invention, through the magnetic suspension damping mechanism, under the mutual repulsion action of the magnetic force of the outermost end of the movable block and the suspended magnetic block in the inner cavity of the rotating sleeve, the rotating sleeve is further buffered through the spring, so that the vibration of the wheel of the baby stroller only acts on the wheel, and the position of the speed reducing cylinder cannot be changed, so that the position of the protective cover cannot be changed, the vibration of the baby stroller cannot act on the baby crib and the push rod, the problem that the baby stroller vibrates up and down within a certain range due to poor road conditions when the baby stroller is used on an uneven road surface is avoided, the comfort degree of the baby stroller in use is ensured, and the service life of the baby stroller is prolonged.

Description

Wheel suspension buffer mechanism of baby stroller

Technical Field

The invention relates to the technical field of children products, in particular to a wheel suspension buffer mechanism of a baby stroller.

Background

Baby's shallow is the most popular vehicle of walking of baby, especially is the essential article when mom takes baby to go shopping, however according to baby's growth, usage, baby's shallow can divide into many kinds again, for example: the twin baby carriage, the high landscape baby carriage, the awning baby carriage, the pocket carriage and the like are mainly based on the load capacity as a standard, the general test standard is nine to fifteen kilograms, and the traditional baby carriage can be used for about three to five years.

When a mother normally uses the baby stroller to take the baby to walk outdoors, the outdoor sidewalk is usually composed of a square brick road and a blind road, when the baby stroller is pushed on the sidewalk, the stroller body can frequently vibrate due to the uneven road surface, the damping efficiency of the shock absorber of the baby stroller is prior, and the vibration of the baby stroller can not be completely reduced, so that the baby stroller is not good in hand feeling when the baby stroller is pushed, the normal development of the baby stroller can be influenced due to the fact that the bone of the baby stroller is soft due to long-term vibration, and when the baby stroller is used, the baby stroller can be prevented from sliding down only by using large pulling force on a slope road, and once the baby stroller is not pulled out, the baby stroller can slide down quickly, and the baby stroller is caused to have dangerous conditions such as being out.

Disclosure of Invention

Aiming at the defects of the prior baby stroller in the use process, the invention provides the wheel suspension buffer mechanism of the baby stroller, which has the advantages of reducing vibration and limiting speed and solves the technical problems in the prior art.

The invention provides the following technical scheme: the utility model provides a wheel suspension buffer gear of baby's shallow, includes the connecting rod, the lower extreme fixedly connected with guard shield of connecting rod, the lower extreme middle part swing joint of guard shield has the rubber sleeve, the inner chamber fixedly connected with of rubber sleeve rotates the cover, the middle part fixedly connected with suspension magnetic path of rotating the cover, the lower extreme fixedly connected with speed reduction section of thick bamboo of guard shield, the middle part swing joint of a speed reduction section of thick bamboo has the rotation seat, the middle part activity of rotating the seat has cup jointed the movable block, and the movable block, the movable block is magnetic material and makes, and the magnetic pole of movable block surface is the same with the magnetic pole of suspension magnetic path inner wall, the inboard of movable block is passed through the spring and is rotated seat swing joint, the inner chamber of rotating the cover is formed with the activity.

Preferably, the middle part of the rotating sleeve is fixedly connected with a driving block positioned between the gaps of the suspended magnetic blocks, the driving block is made of a magnetic material, the magnetic pole on the outer surface of the movable block is different from the magnetic pole at the innermost end of the driving block, and the other end of the spring is fixedly connected with a friction block positioned in the inner cavity of the speed reducing cylinder.

Preferably, the lower surface of the middle part of the speed reducing cylinder is fixedly connected with magnetic repulsion blocks positioned at two sides of the rotating seat, and the magnetic repulsion force of the magnetic repulsion blocks to the suspended magnetic blocks is greater than the magnetic repulsion force of the movable blocks to the suspended magnetic blocks.

The invention has the following beneficial effects:

1. according to the invention, through the magnetic suspension damping mechanism, under the mutual repulsion action of the magnetic force of the outermost end of the movable block and the suspended magnetic block in the inner cavity of the rotating sleeve, the rotating sleeve is further buffered through the spring, so that the vibration of the wheel of the baby stroller only acts on the wheel, and the position of the speed reducing cylinder cannot be changed, so that the position of the protective cover cannot be changed, the vibration of the baby stroller cannot act on the baby crib and the push rod, the problem that the baby stroller vibrates up and down within a certain range due to poor road conditions when the baby stroller is used on an uneven road surface is avoided, the comfort degree of the baby stroller in use is ensured, and the service life of the baby stroller is prolonged.

2. By arranging the speed limiting mechanism, when the baby stroller slides quickly or pushes the baby stroller quickly on a downhill path to generate potential safety hazards, the rotating seat drives the movable block to rotate quickly under the action of the magnetic attraction force of the driving block and the movable block, and the movable block overcomes the tensile force of the spring to move outwards under the action of centrifugal force, so that the outer surface of the friction block is in contact with the inner surface of the speed reducing cylinder, the rotating speed of the rotating seat is reduced through friction, and the wheels rotate and are reduced through the magnetic attraction force between the driving block and the movable block, so that the speed limiting effect is achieved, and the potential safety hazards generated due to the fact that the baby stroller is too fast are avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic diagram of the structural speed limit of the present invention;

fig. 4 is a schematic perspective view of the present invention in cross-section.

In the figure: 1. a connecting rod; 2. a shield; 3. a rubber sleeve; 4. rotating the sleeve; 5. a suspension magnetic block; 6. a drive block; 7. a reduction drum; 8. a rotating seat; 9. a movable block; 10. a spring; 11. a friction block; 12. a movable cavity; 13. a magnetic repulsion block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a wheel suspension buffer mechanism of a stroller includes a connecting rod 1, a protecting cover 2 is fixedly connected to a lower end of the connecting rod 1, and the wheel suspension buffer mechanism is characterized in that: the middle part of the lower end of the protective cover 2 is movably connected with a rubber sleeve 3, the inner cavity of the rubber sleeve 3 is fixedly connected with a rotating sleeve 4, the middle part of the rotating sleeve 4 is fixedly connected with a suspension magnetic block 5, the lower end of the protective cover 2 is fixedly connected with a speed reducing cylinder 7, the middle part of the speed reducing cylinder 7 is movably connected with a rotating seat 8, the middle part of the rotating seat 8 is movably sleeved with a movable block 9, the movable block 9 and the movable block 9 are made of magnetic materials, the magnetic pole of the outer surface of the movable block 9 is the same as that of the inner wall of the suspension magnetic block 5, the inner side of the movable block 9 is movably connected with the rotating seat 8 through a spring 10, and a movable cavity 12 is formed by the inner cavity of the rotating sleeve 4 and the outer surface of the rotating seat 8 in an opposite mode, so that when the baby stroller is used, the vibration borne by the wheel can be greatly weakened, and through the wheel and the separation of a section of thick bamboo 7 that slows down for the vibration that the wheel received can not lead to the position change of a section of thick bamboo 7, makes when the baby's shallow is used in the road surface of unsmooth difference, because the road only can act on with the wheel to the vibration that the wheel caused, can not conduct to the baby's shallow body through guard shield 2 and connecting rod 1, has avoided the vibration to the influence that the baby's shallow used.

Wherein, the middle part of the rotating sleeve 4 is fixedly connected with a driving block 6 positioned between gaps of the suspension magnetic blocks 5, the driving block 6 is made of magnetic material, the magnetic pole of the outer surface of the movable block 9 is different from the magnetic pole of the innermost end of the driving block 6, the other end of the spring 10 is fixedly connected with a friction block 11 positioned in the inner cavity of the speed reducing cylinder 7, so that when the baby stroller is improperly used or the baby stroller moves too fast to generate a potential safety hazard in a downhill road section, under the action of the magnetic attraction of the driving block 6 in the rotating sleeve 4 which rotates fast to the movable block 9, the movable block 9 drives the rotating seat 8 to rotate fast, thereby under the action of centrifugal force, the movable block 9 overcomes the pulling force of the spring 10 to move outwards, the friction block 11 fixedly connected with the middle part of the movable block 9 moves outwards, the outer surface of the friction block 11 is contacted with the inner surface of the speed reducing cylinder 7, and the movable block 9 rotates downwards through the friction between the friction block 11 and the, the overall rotating speed of the wheel is reduced through the magnetic attraction between the movable block 9 and the driving block 6, the speed limiting effect is achieved, and when the wheel is too high in speed, the friction block 11 is in closer contact with the speed reducing cylinder 7 under the action of increased centrifugal force, so that the friction force between the friction block and the speed reducing cylinder is increased, and the self-adaptive speed reducing effect is achieved.

Wherein, the lower surface fixedly connected with in the middle part of the cylinder 7 of slowing down is located the magnetism of 8 both sides of rotating and repels the piece 13, and the magnetism repels the piece 13 and is greater than the magnetic repulsion of the movable block 9 to the suspension magnetic path 5, the suspension magnetic path 5 through setting up the inner chamber of rotating sleeve 4 receives ascending magnetic repulsion and is greater than downward magnetic repulsion, make after putting into the baby on the crib of baby's shallow, because the gravity that the cylinder 7 that slows down receives increases, thereby make the cylinder 7 that slows down move downwards, make when using the baby's shallow normally, the cylinder 7 that slows down can just be in the intermediate position of wheel, the stationarity when having ensured the normal use of magnetic suspension damper and the use of baby's spine car.

The using method of the invention is as follows: normally installing wheels on the bottom surface of the baby stroller, placing a baby in the baby crib, and under the action of the gravity increase of the stroller body, overcoming the magnetic repulsion force of the suspension magnetic block 5, moving the magnetic repulsion block 13 downwards to enable the speed reduction cylinder 7 to be located in the middle of the wheels;

magnetic suspension and shock absorption: promote the baby's shallow and take baby to walk in the open air, because the pavement is usually for square brick way or blind road constitution, and there is the branch easily in the top, barrier such as stone leads to the baby's shallow to take place less vibration, under the effect of magnetic repulsion between movable block 9 and suspension magnetic path 5, when making the wheel upwards or float downwards suddenly, the vibration energy of wheel can be weakened, and because the wheel vibration, make movable block 9 overcome spring 10 elasticity and inwards move, thereby make the relative position of deceleration section of thick bamboo 7 can not change, and make the position of guard shield 2 can not change, thereby make the baby's shallow whole can not receive the vibration.

Limiting the speed: when the baby stroller is used improperly or moves rapidly due to landslide, the movable block 9 drives the rotating seat 8 to rotate synchronously under the action of the magnetic attraction of the driving block 6 in the rotating sleeve 4 which rotates rapidly to the movable block 9, the movable block 9 overcomes the elastic force of the spring 10 to move outwards in the movable cavity 12 under the action of centrifugal force when the rotating speed of the movable block 9 is too high, so that the friction block 11 fixedly connected with the middle part of the movable block 9 moves outwards, the outermost side of the friction block 11 is in contact with the inside of the speed reducing cylinder 7, the rotation of the rotating seat 8 and the movable block 9 is slowed down through the friction between the friction block 11 and the speed reducing cylinder 7, the rotating speed of the rotating sleeve 4 is reduced through the magnetic attraction between the movable block 9 and the driving block 6, the integral rotation of the wheels is reduced, and the effect of limiting the speed of the baby stroller is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wheel suspension buffer gear of baby's shallow, includes connecting rod (1), the lower extreme fixedly connected with guard shield (2) of connecting rod (1), its characterized in that: the middle part of the lower end of the shield (2) is movably connected with a rubber sleeve (3), the inner cavity of the rubber sleeve (3) is fixedly connected with a rotating sleeve (4), the middle part of the rotating sleeve (4) is fixedly connected with a suspension magnetic block (5), the lower end of the shield (2) is fixedly connected with a speed reducing cylinder (7), the middle part of the speed reducing cylinder (7) is movably connected with a rotating seat (8), the middle part of the rotating seat (8) is movably sleeved with a movable block (9), and the movable blocks (9), the movable blocks (9) are all made of magnetic materials, and the magnetic pole on the outer surface of the movable block (9) is the same as the magnetic pole on the inner wall of the suspension magnetic block (5), the inner side of the movable block (9) is movably connected with the rotating seat (8) through a spring (10), the inner cavity of the rotating sleeve (4) and the outer surface of the rotating seat (8) are oppositely arranged to form a movable cavity (12).

2. The wheel suspension cushioning mechanism for stroller of claim 1, further comprising: the middle part fixedly connected with of rotating cover (4) is located drive block (6) between suspension magnetic block (5) space, drive block (6) are made for magnetic material, and the magnetic pole of movable block (9) surface is different with the magnetic pole of drive block (6) innermost end, the other end fixedly connected with of spring (10) is located friction block (11) of a section of thick bamboo (7) inner chamber that slows down.

3. The wheel suspension cushioning mechanism for stroller of claim 1, further comprising: the lower surface of the middle part of the speed reducing cylinder (7) is fixedly connected with magnetic repulsion blocks (13) positioned at two sides of the rotating seat (8), and the magnetic repulsion force of the magnetic repulsion blocks (13) to the suspended magnetic blocks (5) is greater than the magnetic repulsion force of the movable blocks (9) to the suspended magnetic blocks (5).