CN113696957B - High stability perambulator convenient to go up and down staircase - Google Patents

High stability perambulator convenient to go up and down staircase Download PDF

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Publication number
CN113696957B
CN113696957B CN202110811028.3A CN202110811028A CN113696957B CN 113696957 B CN113696957 B CN 113696957B CN 202110811028 A CN202110811028 A CN 202110811028A CN 113696957 B CN113696957 B CN 113696957B
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ball
rod
ring
air
fixedly connected
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CN113696957A (en
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刘艳明
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Fujian Bestway Baby Products Co ltd
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Fujian Bestway Baby Products Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/02Accessories or details specially adapted for children's carriages or perambulators providing for travelling up or down a flight of stairs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

The invention discloses a high-stability baby carriage convenient for going up and down an escalator, which belongs to the field of baby carriages, and is characterized in that when a user needs to go up and down the escalator, the user can directly tread a gas rotating rod and borrow a force transverse bar by feet to borrow force, gas in the gas rotating rod is transferred to drive a lower ball to enter a supporting rod to generate mutual repulsive force with a round head ejector rod, and the vehicle body is lifted upwards at the moment, so that the height of a straight wheel can be changed, the straight wheel and an inclined wheel are staggered, the characteristics of stairs are met, compared with the prior art, the condition that wheels are suspended or a baby basket is inclined when the user goes up and down the escalator is effectively avoided, the stability and the safety when the user goes up and down the escalator are greatly improved, in addition, compared with the prior art, the operation difficulty is obviously reduced by adjusting the height through bolts, and the convenience of parents who independently take the baby for going out is improved.

Description

High stability perambulator convenient to go up and down staircase
Technical Field
The invention relates to the field of strollers, in particular to a high-stability stroller convenient to get on and off an escalator.
Background
The baby carriage is a tool carriage designed for facilitating outdoor activities of babies, and has various vehicle types, and generally, the baby carriage is played by children of 1 to 2 years old, and the toy carriage with wheels is played by children of 2 years old, so that the baby carriage brings certain benefits to the intelligence development of the children, and the brain development of the children is increased.
In practice, although it is not recommended that a user push a stroller to take an escalator, in many large public environments, such as a market, there is often a phenomenon that the stroller gets on the escalator, and when the stroller is manufactured in the prior art, the use environment is rarely considered, so that the stroller is on the escalator, and the escalator is in an inclined stair shape, so that the following problem is generally rarely solved.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide the high-stability baby carriage which is convenient for going up and down the escalator, when the user needs to go up and down the escalator, the user can directly tread the air rotating rod and borrow the force transverse bar to borrow force, air in the air rotating rod is transferred to drive the lower repulsive ball to enter the supporting rod to generate mutual repulsive force with the round head ejector rod, the car body is lifted upwards at the moment, the change of the height of the straight wheel can be realized, the height of the straight wheel and the height of the inclined wheel are staggered, the characteristics of the stair are met, compared with the prior art, the situation that the wheels are suspended or the baby basket is inclined when the user goes up and down the escalator is effectively avoided, the stability and the safety when the user goes up and down the escalator are greatly improved, in addition, compared with the prior art, the mode of adjusting the height by bolts alone, the operation difficulty is remarkably reduced, and the convenience of parents with babies is improved.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a high stability perambulator convenient to go up and down staircase, includes the automobile body that has rotatable pushing handle, the automobile body lower extreme is connected with a pair of inclined wheel and a pair of straight wheel, a pair of fixedly connected with bull stick and borrow the power crosspiece between the straight wheel, borrow the power crosspiece to be located the bull stick below, straight wheel upper end fixedly connected with button head ejector pin, automobile body lower extreme fixedly connected with bracing piece, button head ejector pin and bracing piece joint, and button head ejector pin are located the bracing piece, two well shape snap rings of contracting of bracing piece perpendicular section inner wall fixedly connected with, the top well shape snap ring top is equipped with the upper baffle, the below well shape snap ring below is equipped with down keeps off the ring, lower keep off ring and upper baffle all with bracing piece inner wall fixed connection, the tip fixedly connected with that the gas stick is close to the bracing piece, the one end fixedly connected with that the gas piece is close to the bracing piece down repels the ball, and down repel ball and button head ejector pin's tip mutually matches.
Further, the magnetic blocks are embedded in the end part of the round head ejector rod and the lower repulsive ball, the two magnetic blocks repel each other, when the height of the straight wheel is adjusted, the air rotating rod can be directly stepped on by feet, so that the air inside the round head ejector rod is concentrated towards the end part of the air rotating rod, thrust is generated on the air sealing piece, the lower repulsive ball is driven to completely enter the supporting rod, the lower repulsive ball and the round head ejector rod generate repulsive force under the action of the magnetic blocks, the car body is lifted upwards at the moment, the round head ejector rod leaves the middle-contracted clamping ring and is clamped into the middle-contracted clamping ring below, the change of the height of the round head ejector rod is realized, the height of the straight wheel and the height of the inclined wheel are staggered, the characteristics of the stair are met, stability and safety of the stair are remarkably improved, compared with the prior art, the mode of adjusting the height by bolts is remarkably reduced, convenience of operation of parents with infants alone is improved, in addition, the direction of the pushing handle can be rotationally changed when the escalator is lowered, and a user is convenient to hold the baby carriage.
Further, the upper end of the supporting rod is provided with a clamping groove in an cutting mode, after the mutual repulsive force is generated, the lower repulsive ball moves upwards to be clamped into the clamping groove, so that the lower repulsive ball is not easy to squeeze back into the air rotating rod, further, the repulsive force generated by the pedal to the round head ejector rod is effectively guaranteed, the operation difficulty of a user is reduced, the clamping groove is matched with the lower repulsive ball, the end of the lower repulsive ball extends into the supporting rod, the part of the lower repulsive ball, which is positioned in the supporting rod, is not more than half of the part of the lower repulsive ball, and the mutual repulsive force is not easy to generate between the lower repulsive ball and the round head ejector rod when a baby carriage is normally pushed.
Furthermore, the air sealing piece is of an elastic sealing structure, and the supporting rod is communicated with the air rotating rod, so that air in the air rotating rod is effectively prevented from overflowing.
Further, the air rotating rod comprises a hollow pipe connected between the two supporting rods and a pre-flattening bag connected to the middle of the hollow pipe, the hollow pipe is communicated with the pre-flattening bag, air with the compression multiple of 1-1.5 is filled in a space surrounded by the hollow pipe, the pre-flattening bag and the air sealing piece, when the supporting rods and the round head ejector rods are stretched by stepping on the air rotating rod, the compressed air can improve the impact on the air sealing piece, the lower ball repellent is convenient to enter the supporting rods, the generated repulsive force effectively assists the stretching of the supporting rods and the round head ejector rods, the force required by a user is reduced, and the operation convenience is improved.
Further, the hollow tube is of a hard structure, the pre-flattening bag is of an elastic sealing structure, the diameter of the pre-flattening bag is 5-10 times of that of the hollow tube, so that air stored in the pre-flattening bag is relatively more, after the pedal is transferred into the hollow tube, the thrust generated on the air sealing sheet is larger, and the fact that the lower ball repellent enters the upper part of the round head ejector rod is effectively guaranteed.
Further, borrow power rail middle part is flat structure, and borrow power rail middle part and the contact of tip summit department under the gas stick, on the one hand, borrow the flat structure of power rail, make the gas stick vertical quick deformation when being convenient for step on the gas stick, on the other hand, be convenient for borrow the power, reduce the degree of difficulty that the user changed the position between button head ejector pin and the well shrink shape snap ring.
Further, the rubber strip is fixedly connected with the outer surface of the pre-flattening bag and is of an arc-shaped protruding structure, the rubber strip is used for preventing skidding, and the situation that when trampling is effectively avoided, large position offset is generated between the air rotating rod and the force borrowing transverse bar, so that smooth transfer of air in the pre-flattening bag is effectively guaranteed.
Further, the graphene powder is filled in the middle-shrinkage-type clamping ring, a powder outlet ring hole is cut at the turning part in the middle of the middle-shrinkage-type clamping ring, a movable sealing ring is arranged on the powder outlet ring hole, and a plurality of variable supporting rods are connected between the movable sealing ring and the inner wall of the supporting rod.
Further, become the vaulting pole and make for the silicone rubber material, make it have certain elasticity, the button head ejector pin produces the extrusion force to moving the seal ring when taking place the position change, makes to move and produces certain space between seal ring and the play powder annular ring hole, makes inside graphite alkene powder drop to effectively reduce the frictional force between button head ejector pin and the well shape snap ring that contracts, reduce the degree of difficulty of extension bracing piece, move the radial span that seal ring diameter is greater than play powder annular ring hole, make to move the seal ring be difficult for droing, effectively guarantee the shutoff to graphite alkene powder.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, when the escalator is needed to be lifted, a user can directly pedal the air rotating rod by feet and borrow force by the force transverse bar, gas in the air rotating rod is transferred, the lower repulsive ball is driven to enter the supporting rod and generate mutual repulsive force with the round head ejector rod, the vehicle body is lifted upwards at the moment, the change of the height of the straight wheels can be realized, the height of the straight wheels and the height of the inclined wheels fall in a staggered manner, the characteristics of the escalator are met, compared with the prior art, the situation that the wheels are suspended or the baby basket is inclined when the escalator is lifted is effectively avoided, the stability and the safety when the escalator is lifted and lifted are greatly improved, in addition, compared with the prior art, the operation difficulty is obviously reduced independently, and the convenience of parents operation with the baby trip is improved.
(2) The magnetic blocks are embedded in the end part of the round head ejector rod and the lower repulsive ball, the two magnetic blocks repel each other, when the height of the straight wheel is adjusted when the straight wheel is needed to go up and down stairs, the air in the round head ejector rod can directly tread the air rotating rod, so that the air in the round head ejector rod is concentrated towards the end part of the air rotating rod, thrust is generated on the air sealing piece, the lower repulsive ball is driven to completely enter the supporting rod, under the action of the magnetic blocks, the lower repulsive ball and the round head ejector rod generate mutual repulsive force, the car body is lifted upwards at the moment, the round head ejector rod is separated from the middle-shrinkage-shaped clamping ring and clamped into the middle-shrinkage-shaped clamping ring below, the operation difficulty is remarkably reduced, and the change of the height of the round head ejector rod is realized.
(3) The upper end of the supporting rod is provided with a clamping groove in an cutting way, after the mutual repulsive force is generated, the lower repulsive ball moves upwards to be clamped into the clamping groove, so that the lower repulsive ball is not easy to be extruded back into the air rotating rod, further, the repulsive force generated by the lower repulsive ball to the round head supporting rod after trampling is effectively ensured, the operation difficulty of a user is reduced, the clamping groove is matched with the lower repulsive ball, the end part of the lower repulsive ball extends into the supporting rod, the part of the lower repulsive ball positioned in the supporting rod is not more than half, and the mutual repulsive force is not easy to be generated between the lower repulsive ball and the round head supporting rod when a baby is pushed normally.
(4) The air sealing piece is of an elastic sealing structure, and the supporting rod is communicated with the air rotating rod, so that air in the air rotating rod is effectively prevented from overflowing.
(5) The air rotating rod comprises a hollow tube connected between two support rods and a pre-flattening bag connected in the middle of the hollow tube, the hollow tube is communicated with the pre-flattening bag, air with the compression multiple of 1-1.5 is filled in a space surrounded by the hollow tube, the pre-flattening bag and the air sealing piece, when the support rods and the round head ejector rods are stretched by stepping on the air rotating rod by means of force, the compressed air can improve the impact on the air sealing piece, the lower ball repellent is convenient to enter the support rods, the generated repulsive force effectively assists the stretching of the support rods and the round head ejector rods, the force required by a user is reduced, and the operation convenience is improved.
(6) The hollow tube is of a hard structure, the pre-flattening bag is of an elastic sealing structure, the diameter of the pre-flattening bag is 5-10 times of that of the hollow tube, so that relatively more air is stored in the pre-flattening bag, and after trampling is transferred into the hollow tube, the thrust generated on the air sealing piece is larger, so that the lower ball repellent is effectively ensured to enter the upper part of the round head ejector rod.
(7) The middle part of the force-borrowing transverse bar is of a flat structure, and the middle part of the force-borrowing transverse bar is contacted with the vertex of the lower end part of the air rotating rod, so that on one hand, the force-borrowing transverse bar is of a flat structure, and when the air rotating rod is stepped on, the air rotating rod is longitudinally and rapidly deformed, on the other hand, the force-borrowing transverse bar is convenient, and the difficulty of changing the position between the round head ejector rod and the middle-shrinkage-shaped clamping ring by a user is reduced.
(8) The rubber strip is fixedly connected with the outer surface of the pre-flattening bag and is of an arc-shaped protruding structure, the rubber strip is used for preventing skidding, and the situation that larger position deviation is generated between the air rotating rod and the force borrowing transverse bar when the pedal is stepped on is effectively avoided, so that smooth transfer of air in the pre-flattening bag is effectively guaranteed.
(9) The graphene powder is filled in the middle-shrinkage-type clamping ring, a powder outlet ring hole is cut at the turning part in the middle of the middle-shrinkage-type clamping ring, a movable sealing ring is arranged on the powder outlet ring hole, and a plurality of variable supporting rods are connected between the movable sealing ring and the inner wall of the supporting rod.
(10) The variable support rod is made of a silicon rubber material, so that the variable support rod has certain elasticity, when the position of the round head ejector rod changes, extrusion force is generated on the movable seal ring, a certain gap is generated between the movable seal ring and a powder outlet ring hole, and the inner graphene powder drops, so that friction force between the round head ejector rod and the middle-shrinkage clamp ring is effectively reduced, difficulty in extending the support rod is reduced, the diameter of the movable seal ring is larger than the radial span of the powder outlet ring hole, the movable seal ring is not easy to fall off, and the blocking of the graphene powder is effectively ensured.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a part of a straight wheel of the present invention;
FIG. 3 is a schematic view of the structure of the gas stick of the present invention;
FIG. 4 is a schematic structural view of the pre-flat bladder of the present invention;
FIG. 5 is a schematic view of the inner portion of the support pole of the present invention;
FIG. 6 is a schematic view of the joint between the gas stick and the support stick according to the present invention;
FIG. 7 is a schematic view of the joint between the air turning rod and the support rod during the pedaling process of the present invention;
FIG. 8 is a schematic view of the joint between the pneumatic rotary rod and the support rod after pedaling;
FIG. 9 is a schematic view of a structure of the middle-shrink-shaped clasp of the present invention in a three-dimensional manner;
FIG. 10 is a schematic view of a cross-section of a tapered snap ring of the present invention;
fig. 11 is a schematic view of the structure of the escalator of the present invention;
fig. 12 is a schematic view of a prior art stroller on an escalator.
The reference numerals in the figures illustrate:
1 supporting rod, 2 air rotating rod, 21 hollow tube, 22 pre-flattening bag, 3 force-aid crosspiece, 4 rubber strip, 5 middle shrinking clasp, 51 variable stay rod, 52 movable seal ring, 6 upper baffle, 7 air sealing sheet, 8 lower ball repellent, 9 clamping groove, 10 round head ejector rod and 11 lower baffle ring.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1-2, a high stability stroller for conveniently moving up and down an escalator comprises a stroller body with a rotatable push handle, wherein the lower end of the stroller body is connected with a pair of inclined wheels and a pair of straight wheels, an air rotating rod 2 and a force-borrowing transverse bar 3 are fixedly connected between the pair of straight wheels, and the force-borrowing transverse bar 3 is positioned below the air rotating rod 2.
Referring to fig. 5, the upper end of the straight wheel is fixedly connected with a round head ejector rod 10, the lower end of the vehicle body is fixedly connected with a supporting rod 1, the round head ejector rod 10 is clamped with the supporting rod 1, the round head ejector rod 10 is positioned in the supporting rod 1, the inner wall of the vertical section of the supporting rod 1 is fixedly connected with two middle-shrinkage-shaped clamping rings 5, an upper baffle 6 is arranged above the middle-shrinkage-shaped clamping rings 5, a lower baffle ring 11 is arranged below the middle-shrinkage-shaped clamping rings 5, and the lower baffle ring 11 and the upper baffle 6 are fixedly connected with the inner wall of the supporting rod 1.
Referring to fig. 6, the end of the air rotating rod 2 near the supporting rod 1 is fixedly connected with an air sealing sheet 7, the air sealing sheet 7 is of an elastic sealing structure, the supporting rod 1 is communicated with the air rotating rod 2, the situation that air in the air rotating rod 2 overflows is effectively avoided, one end of the air sealing sheet 7 near the supporting rod 1 is fixedly connected with a lower repulsive ball 8, the ends of the lower repulsive ball 8 and the round head ejector rod 10 are matched with each other, magnetic blocks are embedded in the end of the round head ejector rod 10 and the end of the lower repulsive ball 8, the two magnetic blocks repel each other, when the height of a straight wheel is required to go up and down stairs, the air rotating rod 2 can be directly stepped on by feet, so that air in the air sealing sheet 2 is concentrated towards the end of the air rotating rod 2, as shown in fig. 7-8, the lower repulsive ball 8 is driven to completely enter the supporting rod 1, under the action of the magnetic blocks, the lower repulsive ball 8 and the round head ejector rod 10 generate mutual repulsive force, at the moment, the round head ejector rod 10 is lifted up from the middle shrink-shaped clamping ring 5 and is clamped in the middle shrink-shaped clamping ring 5 below, and the operation difficulty is remarkably reduced, and the change of the height is realized.
In addition, as shown in fig. 11, when the baby carriage is lowered, the direction of the push handle can be changed in a rotating way, so that a user can conveniently hold and position the baby carriage.
Referring to fig. 6, a clamping groove 9 is cut at the upper end of the supporting rod 1, as shown in fig. 8, after a repulsive force is generated, the lower repulsive ball 8 moves upwards and is clamped into the clamping groove 9, so that the lower repulsive ball 8 is not easy to be squeezed back into the air rotating rod 2, further, the repulsive force generated by the treading on the round head push rod 10 is effectively ensured, the operation difficulty of a user is reduced, the clamping groove 9 is matched with the lower repulsive ball 8, the end of the lower repulsive ball 8 extends into the supporting rod 1, and the part of the lower repulsive ball 8 located in the supporting rod 1 is not more than half, so that the repulsive force is not easy to generate between the lower repulsive ball 8 and the round head push rod 10 when a baby is pushed normally.
Referring to fig. 3 to 4, the air rotating rod 2 includes a hollow tube 21 connected between two support rods 1 and a pre-flattening bag 22 connected in the middle of the hollow tube 21, the hollow tube 21 is communicated with the pre-flattening bag 22, the space enclosed by the hollow tube 21, the pre-flattening bag 22 and the air sealing sheet 7 is filled with air with a compression multiple of 1 to 1.5, when the support rod 1 and the round head ejector rod 10 are stretched by stepping on the air rotating rod 2, the compressed air can improve the impact on the air sealing sheet 7, the lower ball 8 can conveniently enter the support rod 1, the generated repulsive force effectively assists the stretching of the support rod 1 and the round head ejector rod 10, the force required by a user is reduced, and the operation convenience is improved.
The hollow tube 21 is of a hard structure, the pre-flattening bag 22 is of an elastic sealing structure, the diameter of the pre-flattening bag 22 is 5-10 times of that of the hollow tube 21, so that air stored in the pre-flattening bag 22 is relatively more, after the user steps on the air to transfer into the hollow tube 21, the pushing force generated on the air sealing sheet 7 is larger, the fact that the lower repulsive balls 8 enter above the round head ejector rod 10 is effectively guaranteed, the middle part of the force transverse bar 3 is of a flat structure, the middle part of the force transverse bar 3 is in contact with the top point of the lower end part of the air rotating rod 2, on the one hand, the force transverse bar 3 is of a flat structure, the air rotating rod 2 is longitudinally and rapidly deformed when the user steps on the air rotating rod 2 conveniently, on the other hand, the force is conveniently reduced, the difficulty of the user to change the position between the round head ejector rod 10 and the middle shrinkage clamp ring 5 is reduced, the rubber strip 4 is fixedly connected to the outer surface of the pre-flattening bag 22, the rubber strip 4 is of an arc-shaped protruding structure, the rubber strip 4 is used for preventing slipping, and the air rotating rod 2 and the air transferring in the pre-flattening bag 22 is effectively guaranteed to be smooth when the user steps on.
Referring to fig. 9-10, the inside of the middle shrink-shaped snap ring 5 is filled with graphene powder, a powder outlet ring hole is cut at the middle turning part of the middle shrink-shaped snap ring 5, a movable seal ring 52 is arranged on the powder outlet ring hole, a plurality of variable support rods 51 are connected between the movable seal ring 52 and the inner wall of the support rod 1, the variable support rods 51 are made of silicone rubber materials, so that the variable support rods have certain elasticity, when the position of the round head ejector rod 10 changes, extrusion force is generated on the movable seal ring 52, a certain gap is generated between the movable seal ring 52 and the powder outlet ring hole, and the graphene powder in the round head ejector rod falls, so that friction force between the round head ejector rod 10 and the middle shrink-shaped snap ring 5 is effectively reduced, difficulty in extending the support rod 1 is reduced, the diameter of the movable seal ring 52 is larger than the radial span of the powder outlet ring hole, the movable seal ring 52 is not easy to fall off, and the blocking of the graphene powder is effectively ensured.
When the escalator is needed to be lifted, a user can directly tread the air rotating rod 2 by feet and borrow force through the force transverse bar 3, gas in the air rotating rod 2 is transferred to drive the lower repulsive ball 8 to enter the supporting rod 1 and generate mutual repulsive force with the round head ejector rod 10, the vehicle body is lifted upwards at the moment, the change of the height of the straight wheels can be realized, the height of the straight wheels and the height of the inclined wheels are staggered, the characteristics of the stairs are met, the situation that wheels are suspended or the baby basket is inclined when the escalator is lifted is effectively avoided compared with the prior art in fig. 12, the stability and the safety when the escalator is lifted are greatly improved, in addition, compared with the prior art, the operation difficulty is remarkably reduced, and the convenience of the parents who independently take the baby to go out is improved.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.

Claims (5)

1. The utility model provides a high stability perambulator convenient to go up and down staircase, includes the automobile body that has rotatable pushing away the handle, the automobile body lower extreme is connected with a pair of oblique wheel and a pair of straight-line wheel, its characterized in that: a pair of fixed connection gas carousel (2) and borrow power crosspiece (3) between the straight-line wheel, borrow power crosspiece (3) are located gas carousel (2) below, straight-line wheel upper end fixedly connected with button head ejector pin (10), automobile body lower extreme fixedly connected with bracing piece (1), button head ejector pin (10) and bracing piece (1) joint, and button head ejector pin (10) are located bracing piece (1), two well shrink shape snap ring (5) of vertical section inner wall fixedly connected with of bracing piece (1), well shrink shape snap ring (5) top of top are equipped with upper baffle (6), well shrink shape snap ring (5) below are equipped with down baffle ring (11), down baffle ring (11) and upper baffle (6) all are fixedly connected with bracing piece (1) inner wall, the tip fixedly connected with seal gas piece (7) that gas carousel (2) are close to bracing piece (1), the one end fixedly connected with down ball (8) that is close to bracing piece (1), and down ball (8) are mutually matched with button head ejector pin (10);
the end part of the round head ejector rod (10) and the lower repulsive ball (8) are embedded with magnetic blocks, and the two magnetic blocks repel each other;
the air sealing piece (7) is of an elastic sealing structure, and the supporting rod (1) is communicated with the air rotating rod (2);
the air rotating rod (2) comprises a hollow pipe (21) connected between two supporting rods (1) and a pre-flattening bag (22) connected in the middle of the hollow pipe (21), the hollow pipe (21) is communicated with the pre-flattening bag (22), and the space enclosed by the hollow pipe (21), the pre-flattening bag (22) and the air sealing sheet (7) is filled with air with the compression multiple of 1-1.5;
the hollow tube (21) is of a hard structure, the pre-flattening bag (22) is of an elastic sealing structure, and the diameter of the pre-flattening bag (22) is 5-10 times of that of the hollow tube (21);
the middle part of the force-borrowing transverse bar (3) is of a flat structure, and the middle part of the force-borrowing transverse bar (3) is contacted with the vertex of the lower end part of the air rotating rod (2).
2. A high stability stroller for facilitating the boarding and disembarking of claim 1 wherein: the upper end of the supporting rod (1) is provided with a clamping groove (9), the clamping groove (9) is matched with the lower ball-repellent ball (8), the end of the lower ball-repellent ball (8) extends into the supporting rod (1), and the part of the lower ball-repellent ball (8) located in the supporting rod (1) is not more than half.
3. A high stability stroller for facilitating the boarding and disembarking of claim 1 wherein: the outer surface of the pre-flattening bag (22) is fixedly connected with a rubber strip (4), and the rubber strip (4) is of an arc-shaped protruding structure.
4. A high stability stroller for facilitating the boarding and disembarking of claim 1 wherein: the graphene powder is filled in the middle-shrinkage-type clamping ring (5), a powder outlet ring hole is cut at the turning part in the middle of the middle-shrinkage-type clamping ring (5), a movable sealing ring (52) is arranged on the powder outlet ring hole, and a plurality of variable supporting rods (51) are connected between the movable sealing ring (52) and the inner wall of the supporting rod (1).
5. The high stability stroller for facilitating the boarding and disembarking of claim 4 wherein: the variable stay bar (51) is made of a silicon rubber material, and the diameter of the movable sealing ring (52) is larger than the radial span of the powder outlet ring hole.
CN202110811028.3A 2021-07-19 2021-07-19 High stability perambulator convenient to go up and down staircase Active CN113696957B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111547122A (en) * 2020-05-08 2020-08-18 董莉 Baby carriage convenient for taking escalator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI46026C (en) * 1971-01-11 1972-12-11 Suomen Vanutehdas Finnwad Wheelchair that can be used on the stairs.
KR100274812B1 (en) * 1998-05-20 2000-12-15 양현중 Easy driving baby carriage in stairs and slope
GB2478340B (en) * 2010-03-05 2012-11-14 Joona Ltd Hand-propelled vehicle
CN202156446U (en) * 2011-07-12 2012-03-07 广东机电职业技术学院 Novel baby handcart
CN208515656U (en) * 2018-07-25 2019-02-19 汤子悦 A kind of perambulator
CN210882283U (en) * 2019-05-27 2020-06-30 无锡职业技术学院 Self-adaptive height-adjusting baby balance car

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111547122A (en) * 2020-05-08 2020-08-18 董莉 Baby carriage convenient for taking escalator

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