CN103419566B - The tire of trolley, the wheel of trolley and trolley - Google Patents
The tire of trolley, the wheel of trolley and trolley Download PDFInfo
- Publication number
- CN103419566B CN103419566B CN201310176358.5A CN201310176358A CN103419566B CN 103419566 B CN103419566 B CN 103419566B CN 201310176358 A CN201310176358 A CN 201310176358A CN 103419566 B CN103419566 B CN 103419566B
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- Prior art keywords
- tire
- bottom outlet
- wheel
- shape
- trolley
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- 230000005855 radiation Effects 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 20
- 238000012360 testing method Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 235000021167 banquet Nutrition 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical group CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- -1 vinyl hydrocarbon Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/107—Non-inflatable or solid tyres characterised by means for increasing resiliency comprising lateral openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/43—Carts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Handcart (AREA)
Abstract
The present invention provides a kind of tire and wheel and trolley with the tire, the wheel（30）With ground plane（31）And a pair of side（32）, in the side of at least side（32）On formed with multiple have bottom outlet（35）, this has bottom outlet（35）In tire（30）Circumferencial direction（CD）Spread configuration.According to the present invention, for the hand push tire for vehicles with sufficient durability, additionally it is possible to assign its good damping property.
Description
Technical field
The present invention relates to a kind of hand push tire for vehicles, and referring in particular to one kind has abundant durability, while can also play
The tire of good damping property.The invention further relates to the trolley wheel and trolley with above-mentioned tire.
Background technology
Trolley with wheel is widely used.Trolley is, for example, the infant described in JP2002-220060A
Movement perambulator, movement the pet car and the chassis to transport goods etc. of the pet described in JP2006-254801A.
The tire of trolley is solid, and is formed by resin, rubber, foamed plastic etc., and according to the purposes of trolley, need to design it has
Sufficient durability.
However, for perambulator or pet car, then or for carry precision machinery etc. chassis, it is necessary to its tire not
Only there is sufficient durability also to need to play good damping property.
The content of the invention
In view of the point, the present invention, which provides one kind, has sufficient durability, while has the hand push of good damping property
Tire for vehicles, the wheel and trolley with the tire.
According to the hand push tire for vehicles of the present invention, it has the side of ground plane and a pair, on the side of at least side
There is bottom outlet formed with multiple, this has bottom outlet in direction extending circumferentially around the tire spread configuration.
According to the tire of the present invention, it is preferable that formed with described on the both sides of the side of its side and the side of opposite side
There is bottom outlet, what is formed on the side of the side has the arrangement of bottom outlet and the bottom outlet that has formed on the side of the opposite side
Arrangement, is shifted to install in direction extending circumferentially around the tire.
According to the tire of the present invention, it is preferable that formed with described on the both sides of the side of its side and the side of opposite side
There is bottom outlet, what is formed on the side of the side has what is formed on the angle of inclination of the wall of bottom outlet and the side of the opposite side
There is the angle of inclination of the wall of bottom outlet different.
According to the tire of the present invention, it is preferable that have on the side formed with floor, the floor described around bottom outlet
Extension.
According to the tire of the present invention, it is preferable that the axle for having bottom outlet to extend from the central axis of tire to radiation direction
（The axle extended along radial direction）Centered in symmetry shape set.
According to the tire of the present invention, it is preferable that formed with recess or breach on the ground plane.
According to the tire of the present invention, it is preferable that when on two sides formed with bottom outlet, have bottom outlet by what is formed on the side of side
The length along tire centerline axis at bottom to the bottom for having bottom outlet formed on the side of opposite side be more than 10mm.
According to the tire of the present invention, it is preferable that in the side, have bottom outlet described in by the end of the contact surface side
Length along the radiation direction of the central axis of tire is more than 1mm.
According to the tire of the present invention, it is preferable that to have opening shape of the bottom outlet on the side be triangle shape positioned at described
Shape, or the shape by the more than one angle chamfering of triangle.
It is described triangular shaped and form the more than one angle chamfering of the triangle according to the tire of the present invention
Triangle be located on the side, its one side upwardly extends in the perpendicular side of the radiation direction of the central axis with tire,
And it is arranged on the outside relative to the one side of the radiation direction towards the angle on the one side.
It is described triangular shaped and form the more than one angle chamfering of the triangle according to the tire of the present invention
Triangle be located on the side, the perpendicular side of radiation direction of its one side at the center with tire upwardly extends, and face
The inner side relative to the one side of the radiation direction is arranged on to the angle on the one side.
It is described to have opening shape of the bottom outlet on the side for circular or ellipse according to the tire of the present invention.
According to the tire of the present invention, described to have opening shape of the bottom outlet on the side be circumferentially extending shape
Shape.
According to the trolley wheel of the present invention, it has any one tire described in the invention described above and for keeping
The wheel hub of the tire.
The trolley of the present invention has any one wheel described in the invention described above.
According to the present invention, for the hand push tire for vehicles with sufficient durability, additionally it is possible to assign its good damping
Property.
Brief description of the drawings
Fig. 1 is that the explanation of one embodiment of the present invention is schemed, and represents the stereogram of the trolley with wheel；
Fig. 2 is the side view of an example of the tire for representing trolley；
Fig. 3 is the front view for the tire for representing Fig. 2；
Fig. 4 is to represent the sectional view along Fig. 2 IV-IV line cutting；
Fig. 5 is the partial perspective view for the tire for representing Fig. 2；
Fig. 6 is corresponding with Fig. 2, represents the schematic diagram of the other embodiment of tire；
Fig. 7 is corresponding with Fig. 2, represents the schematic diagram of the another embodiment of tire；
Fig. 8 is corresponding with Fig. 2, represents the schematic diagram of another other embodiments of tire；
Fig. 9 is the explanation figure of another other embodiments of tire, represents the side view for including the wheel of tire；
Figure 10 is corresponding with Fig. 5, represents the schematic diagram of Fig. 9 tire；
Figure 11 is the explanation figure of another other embodiments of tire, represents the side view for including the wheel of tire；
Figure 12 is corresponding with Fig. 5, represents the schematic diagram of Fig. 9 tire；
Figure 13 is the explanation figure of the test method of vibration impact experiment.
Embodiment
Below, reference picture illustrates in face of an embodiment of the invention.
An example of used perambulator 10 as trolley 5 illustrates when below to be gone on a journey with infant.So
And tire and wheel of the invention is not limited to perambulator 10, also it can be widely applied for, for example, the shifting as trolley 5
The hand push by operator of chassis for carry article of the pet used during dynamic pet by the use of car or as trolley 5 etc. and
The car of traveling.
As shown in figure 1, perambulator 10 has：Baby's vehicle main body 11, it has foreleg 12 and back leg 14；Front-wheel maintaining body
13, it is arranged on the lower end of the foreleg 12 of baby's vehicle main body 11；Trailing wheel maintaining body 15, after it is arranged on baby's vehicle main body 11
The lower end of leg 14.As an example, front-wheel maintaining body 13 is made up of the Caster of supporting wheel 20, can rotate wheel 20
（Fore-and-aft direction）It is and swingable（Left and right directions）.In addition, trailing wheel maintaining body 15 is made up of the maintaining body of supporting wheel 20, can
Rotate wheel 20（Fore-and-aft direction）And it can not swing（Left and right directions）.From the foregoing, it will be observed that front-wheel maintaining body 13 and trailing wheel are kept
Mechanism 15 can support the wheel of different structure respectively, but be not limited thereto, below to keeping the wheel 20 with same structure
Structure illustrate.
As shown in figure 1, wheel 20 has tire 30 and keeps the wheel hub 25 of tire 30.Wheel hub 25 is resin or metal system
Part, and be pivotally supported by corresponding front-wheel maintaining body 13 or trailing wheel maintaining body 15.On the other hand, take turns
Hub 25 is embedded in tire 30, and tire 30 is fixed on wheel hub 25 in this way.
As shown in Fig. 2~Fig. 5, tire 30 has：Ground plane 31, its be as trolley 5 perambulator 10 in motion
The part contacted with ground；Side 32, it extends in two sides of ground plane 31；The inside 33, it is the reverse of ground plane 31
Face.The inside 33 is the face engaged with wheel hub 25.A pair of side 32 is with the central axis CA of tire 30（The rotary shaft of wheel 20
Line）Centered on circumferentially shape extended surface, substantially extend on the face vertical with the central axis CA of tire 30.Can by Fig. 5
Know, circumferentially shape extends the shape that tire 30 is formed with ground plane 31, a pair of side 32 and the inside 33.
Tire 30 is formed by solid part, such as is formed by resin, rubber, foamed plastic etc..According to the use of trolley 5
On the way, intensity and durability of the design of tire 30 with defined.The typical material of tire 30 is made, for example, EVA, which builds bridge, to be sent out
Foam.EVA bridge formations foaming body is ethyl vinyl acetate resin copolymer, i.e., the thermoplasticity made of vinyl hydrocarbon polymerize is sent out
Foam.EVA bridge formation foaming bodies have certain intensity, while also have flexibility and elasticity, and based on this, it can preferably be used
Make the material of hand push tire for vehicles 30.In addition, by adding rubber-like on EVA bridge formation foaming bodies, the bullet of tire 30 can be improved
Property and heat resistance, and tire 30 can be coloured by adding pigment.
There is bottom outlet 35 formed with multiple on the side 32 of at least side of tire 30.It is with bottom surface 36 to have bottom outlet 35
Hole, it is different from through hole.It is multiple to have bottom outlet 35 on the circumferencial direction CD of tire 30, i.e. centered on the pivot center of wheel 20
Circumferencial direction on spread configuration.According to the tire 30 of said structure, as be described hereinafter demonstrated in the explanation of result of the test, the wheel
Tire 30 is endowed sufficient durability, and is also endowed good damping property（Impact resistance）.
In addition, the viewpoint from the homogenization of the damping property of each position of the circumferencial direction CD along tire 30 and durability is come
See, it is multiple to there is bottom outlet 35 to be set preferably on the circumferencial direction CD of tire 30 in certain spacing.
In the example in the figures, there is bottom outlet 35 formed with multiple on the 1st side 32a of the side as side, making
There is bottom outlet 35 formed with multiple on the 2nd side 32b for the side of opposite side.As shown in Fig. 3~Fig. 5, shape on the 1st side 32a
Into have being arranged in along on the circumferencial direction CD of tire 30 of bottom outlet 35, with the row for having bottom outlet 35 formed on the 2nd side 32b
Row shift to install.In other words, what is formed on the 1st side 32a has bottom outlet 35 to have bottom outlet with what is formed on the 2nd side 32b
35, shifted to install on the circumferencial direction CD of tire 30.It is preferred that what is formed on the 1st side 32a has bottom outlet 35 and in the 2nd side
What is formed on the 32b of face has central axis CA of the bottom outlet 35 in tire 30（The pivot center of wheel 20）Direction on it is not overlapping.Root
According to the state, in the position of the circumferencial direction CD along tire 30, the homogenization of damping property and durability can be reached.
In addition, as shown in figure 4, the tilt angle theta a of what is formed on the 1st side 32a the have wall 37 of bottom outlet 35 with the
What is formed on 2 side 32b has the tilt angle theta b of the wall 37 of bottom outlet 35 different.Specifically, formed on the 1st side 32a
The tilt angle theta a for having the wall 37 of bottom outlet 35 is less than the inclination angle of the wall 37 for having bottom outlet 35 formed on the 2nd side 32b
Spend θ b.
In the making to tire of prior art, by the method for forming of a pair of widely used moulds, it can be made to
To cheap tire.In the method, the interior intracavitary being combined into the mould by a pair, can obtain tire.The wheel of making
1st side of tire is arranged on towards the position of the mould of side, and the 2nd side of the tire of making is arranged on the mould towards opposite side
The position of tool.After tire has been made, by the way that a pair of mould is separated from each other, the tire for making to make is from a pair of mould
Any at least one middle parting.
Tire 30 described herein as is all cheap by using a pair of mould molding as the tire of prior art
It is made.In addition, the parting of the mould of the tire 30 formed with bottom outlet 35 depends on the wall 37 for having bottom outlet 35 on side 32
Tilt angle theta a, θ b.Therefore, by make Fig. 4 tire 30 a pair of mould be separated from each other in the case of, tire 30 from
The 2nd side 32b sides with larger tilt angle theta b are easy to parting.Therefore, in 30 parting of tire to having made, pass through
The tire 30 is produced the tendency for being supported in specified side, and steady production can be carried out and the production of tire 30 can be improved
Property.
Therefore, in the case of on the both sides of a pair of side 32 formed with bottom outlet 35, by what is formed on the 1st side 32a
There is the length la for the bottom surface 36 for having bottom outlet 35 that the bottom surface 36 of bottom outlet 35 formed to the 2nd side 32b（Reference picture 4）Preferably
The central axis CA of more than 10mm, length la along tire 35（The pivot center of wheel 20）Set.In this case, energy
It is enough effectively to prevent from reducing the intensity and durability of tire 30 due to being provided with bottom outlet 35.
In addition, the end to the radiation side for the central axis along tire 30 for having bottom outlet 35 by the contact surface side in side 32
To RD length lb（Reference picture 4）, it is preferably more than 1mm as along the length lb of the radial direction of tire 30 in other words.
In this case, can effectively prevent from reducing the intensity and durability of tire 30 due to being provided with bottom outlet 35.
On the other hand, as shown in figure 5, can also be formed with the week for having bottom outlet 35 on the side 32 of the tire 30 of diagram
Enclose the floor 39 of extension.In the example shown in Fig. 2, Fig. 4 and Fig. 5, floor 39, which forms one, has bottom outlet 35 on side 32
The outline of opening, and there is opening of the bottom outlet 35 on side 32 to be surrounded in all shapes to this.According to such floor 39, energy
It is enough effectively to prevent from reducing the intensity and durability of tire 30 due to being provided with bottom outlet 35.Floor as shown in Fig. 2, Fig. 4 and Fig. 5
39 extend to ground plane 31.Therefore, in the example in the figures, recess 41 or breach 41 are formed on ground plane 31.
Below, to there is opening shape of the bottom outlet 35 on side 32 to illustrate.There is opening of the bottom outlet 35 on side 32
Shape can use the various shapes that can effectively play damping property.Herein, with reference to drawing, to having bottom outlet 35 on side 32
Multiple examples of opening shape illustrate.
In the example shown in Fig. 2 and Fig. 5, in addition, in the example shown in Fig. 6~Figure 12 described later, there is bottom outlet 35
Opening shape, with by the central axis CA radiotropisms direction RD of tire 30（In other words, the radial direction of tire 30）Extension
Axle centered on axisymmetricly set.According to the tire 30 of said structure, for its centered on pivot center CA to clockwise
Any one of situation that direction rotates and situation about rotating counterclockwise, have bottom outlet 35 to play same damping
Function.That is, no matter the direction of the direct of travel of trolley 5, can obtain desired damping performance.
As shown in Fig. 2~Fig. 5, there is opening shape of the bottom outlet 35 on side 32 to be formed as triangle or by triangle
The more than one angle of shape carries out the shape of chamfered.In addition, triangular shaped and enter the more than one angle of triangle
The triangle of row chamfered is located on the side 32, radiation direction RD of its one side at the center with tire 30（For changing
It, the radial direction of tire 30）Perpendicular side upwardly extends, and is arranged on the radiation direction RD towards the angle on the one side
The outside relative to the one side.
Bottom outlet 35 is had according to the said structure of setting, while can fully keep the durability of tire 30, assigned
The good damping property of tire 30.Herein, the result of the test confirmed to the technical program inventor illustrates.
Test summary
By using the SG benchmark by legal person's product safety association of Japanese interest group provide below method, to improve tire
The effect of damping property investigated.
Subjects
Tire shown in above-mentioned Fig. 2~Fig. 5 is made, the tire to complete is arranged on commercially available perambulator
On, and prepare the perambulator as subjects 1.On the other hand, commercially available perambulator is used as subjects 2 in itself.Experiment pair
As 1 and subjects 2, only tire is different, all identical elsewhere.The tire of subjects 1 is formed with bottom outlet 35 and breach
On this point of 41, is different from the tire of subjects 2, identical on other aspects.The perambulators of subjects 1 and subjects 2
Perambulator, it is identical with the perambulator shown in Fig. 1, it can automatically adjust, be foldable, moreover, handling position can overleaf position and just
Face switches between position.
Test method
Accelerometer is arranged on the belly position of quality model by quality model in the state of centre is attended a banquet across perambulator
Put.In this condition, vibration impact experiment is carried out to front-wheel and trailing wheel, to measure vibration acceleration value.As shown in figure 13, shake
Dynamic impact test is, with difference in height（Rising height is poor）Wheel is placed on steel cylinder for 10mm a diameter of 200mm.
And set cylinder rotating speed be 100 turns per minute.
Result of the test
The perambulator of perambulator and subjects 2 for subjects 1, two chassis all meet with Japanese interest group legal person
The condition of the SG benchmark setting of product safety association, the condition is specifically, the vibration acceleration of the abdominal region of control infant
For 10m/s2Below.The perambulator of the perambulator of subjects 1 and subjects 2 is compared, in substantially the entirety of condition
Under, there is the perambulator as subjects 1 of the tire 30 for having bottom outlet 35 as shown in Fig. 2~Fig. 5 for using, it is tested
The value of fixed vibration acceleration is less than the value of the vibration acceleration of the perambulator of the subjects 2 determined under identical conditions.Tool
Body is, the value of the measured vibration acceleration of the perambulators of subjects 1 is the subjects 2 being measured under identical conditions
Substantially 70%~the 100% of the value of the vibration acceleration of perambulator.It can be confirmed by the result of the test, by being set such as on tire 30
There is bottom outlet 35 shown in Fig. 2~Fig. 5, damping property can be improved.
The evaluation of durability
By using the SG benchmark by legal person's product safety association of Japanese interest group provide below method, experimental investigation pair
As 1 perambulator and subjects 2 perambulator durability.Specifically, endurancing is carried out by following method.It is first
First, weight is subjected to vibration test across on the attending a banquet of perambulator, and with this state, then by visual observation, contact sense etc.
It is confirmed whether exception.As shown in figure 13, vibration impact experiment is 10mm and a diameter of 200mm by the way that wheel is arranged on into difference in height
Steel cylinder on carry out.The rotating speed of cylinder is arranged to 100 turns per minute.In the vibration test, the back attended a banquet is set
The state fallen down for maximum angle.Weight sets 10kg in the center back attended a banquet, and 25kg is set among the portions attended a banquet.And
Apply the 20N of vertical direction power by top to handle（F）（Reference picture 13）.Test period is 3 hours, and respectively to front-wheel and
Trailing wheel implements the experiment.The vibration test of a hour is often carried out, the folding operation of No. 20 perambulators is just repeated, and will
The operation that handling position overleaf switches between position and front position, the not loose sign of each part is confirmed, in addition, in whole
After the completion of experiment, apply 200N power on the folding direction of handle etc., confirm that handle will not be folded, will not do not carried out actively
Swung in the case of operation.In the inspection to the perambulator of subjects 1 and the perambulator of subjects 2 in test and after experiment
All do not noted abnormalities in looking into.In addition, as seen from the experiment, the perambulator of subjects 1 has the baby with subjects 2
The durability of car equal extent.
Fig. 6~Figure 12 is again returned to below to illustrate the opening shape on side 32 for having bottom outlet 35.In Fig. 6 institutes
In the example shown, the triangle of shape triangular shaped and that the more than one angle of triangle is carried out to chamfering, be with Fig. 2~
The opposite setting of the direction of example shown in Fig. 5.That is, there is the triangle morpheme that opening shape of the bottom outlet 35 on side 32 is formed
In on side 32, radiation direction RD of its one side at the center with tire 30（That is, the radial direction of tire 30）Hang down
Nogata upwardly extends, and towards the one side angle relative to this while being arranged on the inner side of radiation direction.By setting this to have bottom
Hole 35, can fully keep the durability of tire 30, and tire 30 can be made to have good damping property.
In addition, it can be circular or ellipse to have opening shape of the bottom outlet 35 in side 32.In the example depicted in fig. 7,
It is circle to have opening shape of the bottom outlet 35 in side 32.It is oval situation there is opening shape of the bottom outlet 35 in side 32
Under, the oval major axis or short axle can be along the radiation direction RD at the center of tire 30（That is, the radius side of tire 30
To）Extension or the both sides of the oval major axis and short axle relative to tire 30 radiation direction RD（That is, wheel
The radial direction of tire 30）Tilt.By carrying out the above-mentioned design for having bottom outlet 35, the durable of tire 30 also can be sufficiently kept
Property, and can make tire 30 that there is good damping property.
More have, as shown in figure 8, there is opening shape of the bottom outlet 35 in side 32 to be formed as circumferentially CD extensions
Shape.In the example depicted in fig. 8, opening shape with keep certain on radiation direction RD width in the state of in circumference side
Extend on to CD, and be the shape with rounded chamfering in two ends of circumferencial direction.In addition, as shown in Fig. 8
The variation of tire 30, opening shape also can not along tire 30 circumferencial direction CD extend, but along with tire 30
Normal direction RD vertical direction extension.Thus, by there is bottom outlet 35 as setting, tire 30 also can sufficiently be kept
Durability, and can make tire 30 that there is good damping property.
In the example shown in Fig. 9 and Figure 10, there is opening shape of the bottom outlet 35 in side 32 to be trapezoidal shape or be by ladder
The shape of the more than one angle chamfering of shape shape.In the example shown in Fig. 9 and Figure 10, the narrow upper bottom phase of trapezoidal shape
For the radiation direction RA at the center for being located at tire 30 of going to the bottom of the wide cut of trapezoidal shape foreign side.In addition, trapezoidal shape is upper
Bottom and bottom upwardly extend in the vertical sides of the radiation direction RA at the center with tire 30.In addition, in showing shown in Fig. 9 and Figure 10
In example, formed with recess 41 or breach 41 on the region of the intersection of ground plane 31 and side 32.That is, the recess 41 or breach
41 form across ground plane 31 and side 32.Recess 41 or breach 41 are formed along the circumferencial direction CD of tire 30 adjoining
Two have between bottom outlet 35.The tire 30 also can sufficiently keep durability, and have good damping property.
In the example shown in Figure 11 and Figure 12, it is quadrangle form to have opening shape of the bottom outlet 35 in side 32, especially
It is isosceles-trapezium-shaped.In the example shown in Figure 11 and Figure 12, the upper bottom of trapezoidal shape and go to the bottom to the center with tire 30
Side vertical radiation direction RA upwardly extends.In addition, the side of trapezoidal shape is to extending in the radiation direction at the center of tire 30.
In addition, in the example shown in Figure 11 and Figure 12, formed with recess 41 on the region of the intersection of ground plane 31 and side 32
Or breach 41.That is, the recess 41 or breach 41 are formed across ground plane 31 and side 32.The recess 41 or breach 41 are formed
There is bottom outlet 35 to be connected with there is the adjoining position of bottom outlet 35, and with this on the radiation direction RD at the center of tire 30.More have, each
Formed with the circle-shaped groove 43 extended on the circumferencial direction CD of tire 30 on side 32.In the example shown in the series of figures, it is circle-shaped
Groove 43 by it is crosscutting have bottom outlet 35 in a manner of extend.The depth of groove 43 is less than the depth for having bottom outlet 35.The tire 30 can also fill
The holding durability divided, and there is good damping property.
Therefore, above-mentioned with reference to drawing is explanation to there is opening shape of the bottom outlet 35 in side 32 to carry out, but is not limited to
Example described above, it can also be other shapes on side 32 to have bottom outlet 35, such as polygonal shape or will be polygon
The more than one angle chamfering of shape and the shape formed.In addition, the opening shape for having bottom outlet 35 formed on the side 32a of side
Shape also can be different from the opening shape for having bottom outlet 35 formed on the side 32b of opposite side.In addition, formed on each side
There is the mutual of bottom outlet 35, opening shape also can be different.
It is multiple to have bottom outlet 35 in tire on the side 32 of at least side of tire 30 according to above-mentioned present embodiment
Arrange and form on 30 circumferencial direction CD.Confirmed by above-mentioned experimental result, can be sufficient according to the structure of above-mentioned tire 30
Durability is kept, and good damping property can be played.Thereby, it is possible to the seating for improving the perambulator 10 for using the tire 30 to relax
Appropriateness.In addition, by, formed with bottom outlet 35, making the lightweight of tire 30 on tire 30, additionally it is possible to which realization is provided with the tire 30
Perambulator 10 lightweight.More have, by formed with bottom outlet 35, it is possible to increase the design of tire 30.
Therefore, a kind of embodiment that can be to more than carries out various changes.One of which variation is said below
It is bright.
One example of the trolley 5 that the perambulator 10 shown in Fig. 1 is applicable by tire 30 and wheel 20.In fore-and-aft direction
And it can be folded in short transverse to realize miniaturization.But the example in Fig. 1 is not limited to, for example, such as in Japanese invention
Perambulator disclosed in Patent Publication No 2011-148454 is such, and the structure of the perambulator 10 can be in the longitudinal direction
After folding to reach miniaturization, fold once more to realize miniaturization in the direction of the width.In addition, the perambulator shown in Fig. 1
10 structure is, handle can overleaf pushing position（Rear position）With positive pushing position（Anterior position）Between swing.So
And handle can also be fixed on rear position by the structure of perambulator 10, and can not be swung by back side pushing position.
In addition, the explanation as above carried out, above-mentioned tire 30 and wheel 20 are not limited to perambulator 10, such as can also
Enough it is applied to, in mobile pet, the used pet as trolley 5 is used as hand push by the use of car or for article carrying
The chassis of car 5.
Claims (11)
1. a kind of tire, it is used for perambulator, is solid construction, has ground plane and a pair of side, it is characterised in that extremely
There is a bottom outlet formed with multiple on the side of few side, it is described to have bottom outlet in direction extending circumferentially around the tire spread configuration,
Formed with floor on the side, the floor it is described have extend around bottom outlet,
By the floor, formed with also in the recess of the ground plane opening on the side,
The recess along the depth on the direction parallel with the pivot center of the tire, less than it is described have bottom outlet along
Depth on the direction parallel with the pivot center of the tire.
2. tire according to claim 1, it is characterised in that pair of the tire in the side of its side and the side of opposite side
There is bottom outlet formed with described in side,
What is formed on the side of the side has the arrangement of bottom outlet and the row for having bottom outlet formed on the side of the opposite side
Row, are shifted to install in direction extending circumferentially around the tire.
3. tire according to claim 1, it is characterised in that pair of the tire in the side of its side and the side of opposite side
There is bottom outlet formed with described in side, what is formed on the side of the side has the angle of inclination of the wall of bottom outlet and the opposite side
Side on the angle of inclination of the wall for having bottom outlet that is formed it is different.
4. tire according to claim 1, it is characterised in that described to have bottom outlet with from the central axis of tire to radiation side
Set centered on to the axle of extension in symmetry shape.
5. tire according to claim 1, it is characterised in that described to have opening shape of the bottom outlet on the side for three
Angular shape, or the shape by the more than one angle chamfering of triangle.
6. tire according to claim 5, it is characterised in that it is described triangular shaped and by one of the triangle with
On angle chamfering and the triangle that is formed be located on the side, its one side is mutually hung down in the radiation direction of the central axis with tire
Straight side upwardly extends, and is arranged on the outside relative to described one side of the radiation direction towards the angle on described one side.
7. tire according to claim 1, it is characterised in that described to have opening shape of the bottom outlet on the side for circle
Shape or ellipse.
8. tire according to claim 1, it is characterised in that described to have opening shape of the bottom outlet on the side be edge
The shape of circumferencial direction extension.
9. a kind of wheel of trolley, it is characterised in that with the tire described in claim 1 and for keeping the tire
Wheel hub.
10. a kind of trolley, it is characterised in that there is wheel described in claim 9.
11. a kind of perambulator, it is characterised in that there is wheel described in claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-111368 | 2012-05-15 | ||
| JP2012111368A JP5952079B2 (en) | 2012-05-15 | 2012-05-15 | Stroller tires, stroller wheels, strollers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103419566A CN103419566A (en) | 2013-12-04 |
| CN103419566B true CN103419566B (en) | 2018-01-09 |
Family
ID=49645152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310176358.5A Expired - Fee Related CN103419566B (en) | 2012-05-15 | 2013-05-14 | The tire of trolley, the wheel of trolley and trolley |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5952079B2 (en) |
| KR (1) | KR102076537B1 (en) |
| CN (1) | CN103419566B (en) |
| TW (1) | TWI588041B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525574A (en) * | 2015-12-28 | 2016-04-27 | 江阴皇润车业有限公司 | Temporary-term parking sign |
| CN106004251B (en) * | 2016-06-22 | 2018-06-29 | 青岛科技大学 | A kind of non-inflatable tyre and processing method |
| CN109941045A (en) * | 2017-12-21 | 2019-06-28 | 北京橡胶工业研究设计院有限公司 | A kind of non-inflatable tyre structure |
| KR102195006B1 (en) * | 2019-03-11 | 2020-12-24 | 이종영 | Caster and method of manufacturing the same |
| JP6651072B1 (en) * | 2019-04-01 | 2020-02-19 | 鉄十 高村 | Airless tire |
| CN111890713A (en) * | 2020-08-05 | 2020-11-06 | 江苏中鸿坦达橡胶科技有限公司 | Production and manufacturing process of composite type foaming inflation-free rubber tire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4784201A (en) * | 1986-05-13 | 1988-11-15 | The Uniroyal Goodrich Tire Company | Non-pneumatic tire with vibration reducing features |
| CN1207708A (en) * | 1995-11-20 | 1999-02-10 | 艾尔博斯轮胎有限公司 | Cyclically moveable ground-engaging structure |
| EP2397342A1 (en) * | 2010-06-18 | 2011-12-21 | Artic Investments S.A. | Non-pneumatic tire |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01311902A (en) * | 1988-06-10 | 1989-12-15 | Yokohama Rubber Co Ltd:The | Non-pneumatic type tire |
| US4945962A (en) * | 1989-06-09 | 1990-08-07 | The Uniroyal Goodrich Tire Company | Honeycomb non-pneumatic tire with a single web on one side |
| ZA913528B (en) * | 1990-05-14 | 1993-04-28 | Altrack Ltd | Ground engaging means |
| CA2043082A1 (en) * | 1991-02-27 | 1992-08-28 | James Edward Duddey | Non-pneumatic spare tire |
| JP2002220060A (en) * | 2001-01-26 | 2002-08-06 | Aprica Kassai Inc | Buggy |
| CN2639036Y (en) * | 2003-06-10 | 2004-09-08 | 顺进橡胶工业股份有限公司 | Solid tyre |
| JP4445335B2 (en) * | 2004-06-21 | 2010-04-07 | 本田技研工業株式会社 | Mold apparatus and cylinder block manufacturing method |
| JP2006084658A (en) * | 2004-09-15 | 2006-03-30 | Canon Inc | Light-shield blade member for light quantity adjustment |
| CN2771008Y (en) * | 2004-11-24 | 2006-04-12 | 黄立新 | Tyre |
| JP4583985B2 (en) * | 2005-03-17 | 2010-11-17 | 株式会社ボンビ | Pet cart and bag |
| CN2895122Y (en) * | 2006-01-20 | 2007-05-02 | 黄贤益 | Desert motor vehicle cover tyre |
| JP2008132951A (en) * | 2006-11-29 | 2008-06-12 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| TWM314698U (en) * | 2006-12-05 | 2007-07-01 | Jin-Chang Wu | Improved wheel structure |
| CN201544735U (en) * | 2009-11-16 | 2010-08-11 | 盐城森光橡胶制品有限公司 | Solid tire added with two rows of heat dissipation holes on counter-arc tire sidewall |
| JP5597476B2 (en) * | 2010-08-11 | 2014-10-01 | 住友ゴム工業株式会社 | Solid tire |
-
2012
- 2012-05-15 JP JP2012111368A patent/JP5952079B2/en not_active Expired - Fee Related
-
2013
- 2013-04-23 TW TW102114428A patent/TWI588041B/en not_active IP Right Cessation
- 2013-05-02 KR KR1020130049249A patent/KR102076537B1/en active IP Right Grant
- 2013-05-14 CN CN201310176358.5A patent/CN103419566B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4784201A (en) * | 1986-05-13 | 1988-11-15 | The Uniroyal Goodrich Tire Company | Non-pneumatic tire with vibration reducing features |
| CN1207708A (en) * | 1995-11-20 | 1999-02-10 | 艾尔博斯轮胎有限公司 | Cyclically moveable ground-engaging structure |
| EP2397342A1 (en) * | 2010-06-18 | 2011-12-21 | Artic Investments S.A. | Non-pneumatic tire |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130127918A (en) | 2013-11-25 |
| TW201400327A (en) | 2014-01-01 |
| CN103419566A (en) | 2013-12-04 |
| TWI588041B (en) | 2017-06-21 |
| KR102076537B1 (en) | 2020-02-13 |
| JP2013237346A (en) | 2013-11-28 |
| JP5952079B2 (en) | 2016-07-13 |
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