CN110341388A

CN110341388A - Electric perambulator

Info

Publication number: CN110341388A
Application number: CN201910565641.4A
Authority: CN
Inventors: 陆利平
Original assignee: ZHEJIANG JIAJIA RIDE-ON Co Ltd
Current assignee: ZHEJIANG JIAJIA RIDE-ON Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2019-10-18
Anticipated expiration: 2039-06-27
Also published as: CN110341388B

Abstract

The invention discloses a kind of electric perambulators, including tire, tire includes the carcass along the setting of its periphery, carcass is made of solid rubber, carcass extends to crown by sidewall, and crown surface is equipped with boss, fin and raised line, and raised line heart septum along crown is arranged, there are gap between adjacent raised line, raised line lower section is equipped with lumen；Boss is located at the gap two sides of two adjacent raised lines；Side chamber is equipped with below boss, side chamber shape is corresponding with boss；Fin and the setting of boss alternate intervals, fin extend to tire shoulder by raised line side, the flexible foaming filler of shear hardening are filled in side chamber and lumen.By increasing boss, fin and raised line so that tire being capable of these are special in sand ground, muddy ground or snowfield outdoor road surface traveling in surface of tyre; flexible foaming filler is added in carcass simultaneously to adsorb with the vibration rebound potential energy to tire; the number and height of Hui Zhen are reduced, wheel hub is protected and improves the comfort level of driving.

Description

Electric perambulator

Technical field

The present invention relates to perambulator, specially a kind of electric perambulator.

Background technique

Electric children vehicle, a kind of novel toy for children, children can voluntarily drive, also can parent-child interaction, be driven by motor, The simulated toy electric vehicle of safe operation.

Since existing perambulator is to be travelled indoors mostly, tire is largely using the wheel of similar family car Tire, this tire are suitable for hard and the biggish ground of friction, if running environment becomes sand ground or muddy ground, then tire more holds Phenomena such as easily having skidded, causes perambulator to be difficult to smoothly travel on this road surface.

And with economic raising, the field item of recreation (such as sandy beach, muddy ground, snowfield) of children and adults constantly increases at present Add, existing electric boosted toy car is not particularly suited for above-mentioned multiple occasions of travelling, and has the drawback that

1., since pushchair is relatively narrow, contact area is insufficient when tire rolls, and sand when place is sandy beach or snowfield More soft with avenging, perambulator wheel when advancing is easy to sink, and causes perambulator that can not advance.

2. there are water between ground and tire when place is muddy ground or snowfield, so that friction reduces, tire is caused to be easy It skids.

3. rural road road surface has a large amount of stones and other hard particles objects to cause since rubber for tire hardness is lower A large amount of particulate matters or sharp object penetrate in tire, destroy tire.Secondly as stone is more and size is larger, perambulator is being travelled When tire roll stone and cause tire that can generate biggish deformation, when by stone more road surface, tire is constantly left Ground contacts ground, generates a large amount of rebound and vibration, biggish relative vibration is easy to produce between wheel hub and tire, causes to take turns Hub deformation and damage.

If simply using material of the harder rubber as tire, then can be produced between ground and tire when normally travel Raw biggish vibration, causes vehicle (vehicle seat and steering wheel) to shake, and the comfort level of driving can reduce.

Summary of the invention

The purpose of the invention is to provide a kind of electric perambulator, by surface of tyre increase boss, fin and Raised line so that tire can these are special in sand ground, muddy ground or snowfield outdoor road surface traveling, while elasticity is added in carcass Foaming fillers are adsorbed with the vibration rebound potential energy to tire, are reduced the number and height of Hui Zhen, are protected wheel hub and improve and drive The comfort level sailed.

In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme: a kind of electric perambulator, including wheel Tire, the tire include the carcass along the setting of its periphery, and carcass is made of solid rubber, and carcass extends to crown by sidewall, institute It states crown surface and is equipped with multiple boss, multiple fins and multiple raised lines,

Raised line heart septum along crown is arranged, and there are gap between adjacent raised line, raised line is bonded crown, and convex The outer surface of item is arranged concentrically with carcass, and lumen is equipped with below the raised line, and lumen is located in carcass, lumen shape and raised line phase It is corresponding；

The boss is set to the two sides of raised line, and boss is located at the gap two sides of two adjacent raised lines；Below the boss Equipped with side chamber, side chamber is located in carcass, and side chamber shape is corresponding with boss；

The fin is set between two neighboring boss, and fin and the setting of boss alternate intervals, fin is by raised line side Tire shoulder is extended to, is located in the middle part of raised line on the inside of fin, the fin is equipped with vertical plane towards the side of perambulator direction of advance

The flexible foaming filler of shear hardening is filled in the side chamber and lumen.

Preferably, the fin outer surface is equipped with wear-resisting attached layer, and the attached fully wrapped around fin of layer, the hardness of the attached layer is big In the hardness of fin.

Preferably, electric children vehicle further includes tire packet, and the tire packet is removably wrapped on the crown of tire, the tire packet Annularly, tire packet inner surface be equipped with platform slot, rib slot and bar groove, described slot, rib slot, bar groove shape respectively with boss, fin, The shape of raised line is corresponding；Described slot, rib slot, the position of bar groove are corresponding with the position of boss, fin, raised line respectively.

Preferably, the tire packet is equipped with fracture, and the incision position is equipped at least one docking structure, the docking structure packet Catching groove, two button blocks and retaining ring are included, the button block is located at tire packet outer surface, and button block is located at the two sides of fracture, and catching groove is located at two The bottom of button block；

When retaining ring is fastened in two catching grooves, the retaining ring tenses two button blocks to incision position, and tire wraps up tightly in tire Crown surface.

Preferably, the retaining ring is made of wire.

Preferably, the fracture is located between two adjacent slots, and fracture is set to the rib in the middle part of two adjacent stations slots At slot.

Preferably, tire packet outer surface is additionally provided with multiple grip ribs, and grip rib is anti-skidding relative to tire packet convex outer surfaces The section of rib forms semicircular in shape.

In order to achieve the above-mentioned object of the invention, the present invention additionally uses following technical scheme: a kind of preparation side of above-mentioned perambulator Method comprising the steps of:

1 filler preparation: with mass ratio for 12/100 to 16/100 boric acid and dimethicone, in 250-300 DEG C of stirring 72h It prepares PBDMS (boric acid dimethicone), EVA particle is added to heating, filler body is made in PBDMS；

The preparation of 2 carcasses:

2.1 carcass subject preparations: by injection molding machine, processed in a manner of integrated injection molding be made with half side chamber and The carcass of half of lumen；

2.2 capping preparations: by injection molding machine, the capping of obtained side chamber and lumen is processed in a manner of injection molding；

The assembling of 2.3 crowns: cover rim is fixed on to the edge of lumen or side chamber with adhesive；

The filling of 2.4 fillers: side chamber or lumen to be filled are put upward vertically, two diameters are opened up right above capping Through-hole less than 0.5mm, and medium temperature foaming agent is injected by through-hole, high temperature filler body is injected by the through-hole again later, directly It foams to filler to from through-hole and overflows；

The processing of 2.5 crown surfaces: repeating step 2.4, all lumen and side chamber be filled up completely, and will overflow on the outside of through-hole Filler out strikes off；

The assembling of 3 tires: carcass is fixed on to the assembling that tire is completed on wheel hub；

The assembling of 4 vehicles: tire and vehicle remaining part are assembled.

Preferably, in step 2.3, rubber sheet is pasted with adhesive at cover rim, and in carcass side chamber and lumen Edge on smear adhesive, rubber sheet is pressed into the edge of capping and carcass side chamber and lumen, with heating device pair It is compressed at gluing and is heated to 300 DEG C of maintenance 1h, complete the assembling of crown.

Preferably, side chamber/middle cavity edge and cover rim are equipped with the fixed ring of ladder-like setting.

Compared with prior art, it is prepared using the electric perambulator of above-mentioned technical proposal and using above-mentioned preparation method Perambulator, have the following beneficial effects:

One, using electric perambulator of the invention, surface of tyre has boss, and boss is distributed in the two of crown The surface of side, primary structure of the boss as tire interface ground, contact ground is complete plane, for sandy beach, snowfield Deng the road surface being made of particulate matter, the contact surface of boss is sufficiently large, and husky or snow is not easy to be open, therefore tire is not easy to fall into road Face, with the traveling for keeping perambulator that can continue.

Two, the raised line in the middle part of tire and boss are with height, and main purpose is used to increase the contact area of tire bottom surface, it is ensured that wheel Tire is not easy to sink, and boss is arranged in the gap location of two raised lines, and main purpose is still gone the same way face contact to make up gap location The insufficient defect of area, it is ensured that contact area is sufficient.

Three, fin be mainly used for tire sand ground, muddy ground or snowfield advance provide its frictional force, due to above-mentioned road surface by Grain object composition, if travel speed is excessively high compared with slow but tire rotational speed, tyre slip when be easy to causeing starting, therefore pass through fin Vertical plane can provide its enough climbing power in tyre slip.Meanwhile setting is spaced between crown surface boss, fin, It can also be improved the frictional force of tire.

Four, the flexible foaming filler of the shear hardening in side chamber and lumen is (such as D30 or P4U and polymer blended foaming Material), tire can be kept flexible and elasticity in perambulator low speed smooth-ride, avoid vehicle via normal road surface (cement The road surfaces such as road, asphalt road, plastic cement race track) when generate vibration, enable driver to obtain better ride experience.

And when perambulator passes through snowfield, muddy ground or sand ground, after wheel, which rolls stone, to be raised, when wheel lands, elasticity Foaming fillers a large amount of impact force of transient absorption (becoming thermal energy) and are hardened when by impact force, so that when the secondary rebound of tire The elastic potential energy of generation reduces, and shortens rebound time and rebound dynamics, reduces tire Hui Zhen, so that wheel hub is protected, reduces The damage of wheel hub, prolongs its service life.

Five, side chamber is arranged at boss, lumen is arranged at raised line, due to boss and raised line be tire interface road surface and Undeformed is the most obviously located, can be effectively by flexible foaming filler outward close to shape by side chamber and lumen setting at this at two Become region, maximizes the deformation effects of side chamber and lumen and cushioning effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of electric perambulator embodiment 1 of the present invention.

Fig. 2 is the structural schematic diagram of tire in embodiment 1.

Fig. 3 is the main view of tire in embodiment 1.

Fig. 4 is the side view of tire in embodiment 1.

Fig. 5 is the partial sectional view in Fig. 4 at A-A.

Fig. 6 is the partial sectional view in Fig. 4 at B-B.

Fig. 7 is the partial sectional view in Fig. 4 at C-C.

Fig. 8 is the partial sectional view in Fig. 4 at D-D.

Fig. 9 is the schematic diagram of step 2.3 crown assembling in embodiment 1.

Figure 10 is the partial enlarged view in Fig. 9 at E.

Figure 11 is the structural schematic diagram of electric children vehicle in embodiment 2.

Figure 12 is the structural schematic diagram of tire in embodiment 2.

Figure 13 is the fractionation schematic diagram of tire in embodiment 2.

Figure 14 is the structural schematic diagram of tire packet in embodiment 2.

Figure 15 is the structural schematic diagram of tire in embodiment 3.

Appended drawing reference: 0, carcass；1, boss；10, side chamber；2, fin；20, attached layer；3, raised line；30, lumen；4, tire packet； 40, grip rib；41, platform slot；42, rib slot；43, bar groove；44, docking structure；440, catching groove；441, button block；5, retaining ring；6, it seals Lid；7, fixed ring.

Specific embodiment

The present invention is described further with reference to the accompanying drawing.

Embodiment 1:

Electric perambulator as shown in Fig. 1 to Fig. 8, including tire, tire packet 4 include the carcass 0 along the setting of its periphery, carcass 0 is made of solid rubber, and carcass 0 extends to crown by sidewall, and crown surface is equipped with multiple boss 1, multiple fins 2 and multiple convex Item 3.

As shown in Figures 2 to 4, the heart septum along crown of raised line 3 is arranged, and there are gap, raised lines 3 between adjacent raised line 3 It is bonded crown, and the outer surface of raised line 3 is arranged concentrically with carcass 0；Boss 1 is symmetrically disposed on the two sides of raised line 3, and boss 1 is located at The gap two sides of two adjacent raised lines 3.

The upper surface of raised line 3 and boss 1 constitutes the main plane of constraint on tire interface ground, and raised line 3 and boss 1 by Power plane be finishing plane, do not have lines, therefore tire squeeze particulate matter (sand ground, snowfield) road surface when, pavement particles by Uniformly, tire is not easy to sink pressure, it is ensured that perambulator is persistently advanced.

Lumen 30 is equipped with below raised line 3, lumen 30 is located in carcass 0, and 30 shape of lumen is corresponding with raised line 3, under boss 1 Side is equipped with side chamber 10, and side chamber 10 is located in carcass 0, and 10 shape of side chamber is corresponding with boss 1, fills in side chamber 10 and lumen 30 There is the flexible foaming filler (material of such as D30 or P4U and polymer blended foaming) of shear hardening.

Side chamber 10 is arranged at boss 1, lumen 30 is arranged at raised line 3, since boss 1 and raised line 3 are tire interface It road surface and undeformed is the most obviously located can be effectively by flexible foaming filler by side chamber 10 and the setting of lumen 30 at this at two Outward close to deformation region, maximize the deformation effects of side chamber 10 and lumen 30 and cushioning effect.

The perambulator for equipping existing baby carriage tires, when snowfield of passing through, muddy ground or sand ground, after wheel, which rolls stone, to be raised, Tire is raised to certain altitude by stone, forms biggish tenesmus potential energy, when tire contacts ground again, generates biggish punching Hitting power causes tire deformation occurs, and wheel hub absorbs a part impact, and the excessive tire of deformation at this time generates rebound, so that tire Again it bounces and is detached from ground, so that tire is generating 5-7 times or so Hui Zhen after a stone, if in perambulator track There are a large amount of stone or rough road surface, tire constantly shakes and Hui Zhen, and impact force suffered by wheel hub is caused to be folded Add, finally wheel hub is damaged.

When wheel leaves stone and lands, the instantaneous hardening a large amount of punching of absorption when by impact force of flexible foaming filler Power is hit, so that the elastic potential energy generated when the secondary rebound of tire reduces, shortens rebound time and rebound dynamics, i.e., when tire lands Shi Buzai occurs rebound or 1-2 small size rebound only occurs, and reduces the number of tire Hui Zhen, so that wheel hub is protected, drop The damage of low wheel hub, prolongs its service life.

As shown in fig. 7, fin 2 is set between two neighboring boss 1, and fin 2 and the setting of 1 alternate intervals of boss, fin 2 Tire shoulder is extended to by 3 side of raised line, 3 middle part of raised line is located on the inside of fin 2, the side of fin 2 towards perambulator direction of advance is equipped with Vertical plane.Fin be mainly used for tire sand ground, muddy ground or snowfield advance provide its frictional force, due to above-mentioned road surface by Grain object composition, if travel speed is excessively high compared with slow but tire rotational speed, tyre slip when be easy to causeing starting, therefore pass through fin Vertical plane can provide its enough climbing power in tyre slip.

2 outer surface of fin is equipped with wear-resisting attached layer 20, the fully wrapped around fin 2 of attached layer 20, and the hardness of attached layer 20 is 65 (shore Hardness A type), fin 2, boss 1, raised line 3 and carcass 0 crown surface hardness be 55 (shore hardness A types), due to fin 2 As climbing, skid climb hole when main function Characteristics, it is therefore desirable to by the hardness for increasing attached layer 20, to reduce fin 2 Abrasion, improve carcass 0 service life.

The following are the preparation methods of perambulator above-mentioned in the application comprising the steps of:

The preparation of 1 filler: with mass ratio for 12/100 to 16/100 boric acid and dimethicone, adding other complexs, PBDMS (PBDMS boric acid dimethicone, as this metallic substance of P4U and D30) is prepared in 250-300 DEG C of stirring 72h, PBDMS Upon mixing can boron oxygen cross-bond, boron oxygen cross-bond absorbs heat activation fracture in room temperature (can similar plasticine when stress The same deformation), and when encountering high speed impact or high-frequency vibration, then being hardened, (action time is than cross-bond thermalization rupture time It is shorter that PBDMS molecule is caused to form reticular structure), EVA particle is added in PBDMS and stirring to heating, filler master is made Body.

The assembling of 2 carcasses:

The preparation of 2.1 carcasses: it by injection molding machine, is processed and is made with fin 2, half of boss in a manner of integrated injection molding The carcass 0 (such as Fig. 9) of 1 (half of side chamber 10) and half of raised line 3 (half of lumen 30)；At 10/ lumen of side chamber, 30 rim openings It is upwardly formed stair-stepping annular opening, and is provided with multiple fixed rings 7 and annular groove at annular opening (annular groove is located at adjacent two Between a fixed ring 7, with reference to Figure 10).

2.2 capping preparations: by injection molding machine, the capping 6 of obtained side chamber 10 and lumen 30 is processed in a manner of injection molding (as schemed 9)；It covers 6 openings and is formed down stair-stepping annular opening, and be provided with multiple fixed rings 7 and annular groove (side at annular opening The fixed ring 7 of 10/ lumen 30 of chamber, annular groove and 6 annular groove is covered and fixed ring 7 is mutually adapted, with reference to Figure 10).

The assembling of 2.3 crowns: rubber sheet is pasted with adhesive covering 6 edges, and in 0 side chamber of carcass, 10/ lumen 30 Adhesive is smeared on edge, and rubber sheet is pressed into the edge of capping 6 and 10/ lumen 30 of side chamber, and the fixed ring 7 of two sides Fitting is mutually embedded in annular groove, rubber sheet is embedded in binding face with blind, it is ensured that the face of fitting is the extruding of interference Gap is not present in state.It is wrapped on the side wall of capping 6 with the heating sheet of annular and compresses and heat at gluing, heating temperature is 300 DEG C of continuous heating 1h, it is ensured that rubber sheet is completed the filling and connection in gap by heating, while heating reduction internal stress, Internal stress at the gluing of capping 6 and carcass 0 is homogenized, cracking is reduced or collapses artificial situation.

2.4 sealing detections: the through-hole that 1 diameter is less than 0.5mm is opened up covering 6 surfaces, syringe is penetrated from through-hole, infuses Entering air to its internal pressure is 110kPa, and with testing staff's tactile or the sense of hearing to checking at 6 edge-glueds of capping, all is convex Platform 1 and raised line 3 are qualification without gas leakage；The through-hole that another diameter is less than 0.5mm is opened up again in through-hole side.

The filling of 2.5 fillers: side chamber 10 or lumen 30 to be filled are put upward vertically, two through-holes ensure not upward Foaming agent is had surprisingly to flow out out of through-hole, and by through-hole inject quantitative medium temperature foaming agent (AC5000 decomposition temperature 160 ± 3 DEG C), syringe is penetrated by the through-hole again later, high temperature filler is injected in the bottom that injector head contacts 10/ lumen 30 of side chamber Main body, it is ensured that filler is sufficient filling with entire chamber, until filler foams to from another through-hole and overflows.

The processing of 2.6 crown surfaces: step 2.4 is repeated, all lumen 30 and side chamber 10 are filled up completely, and will be outside through-hole The filler that side is overflowed strikes off.

The assembling of 3 tires: carcass 0 is fixed on to the assembling that tire is completed on wheel hub；

The assembling of 4 vehicles: tire and vehicle remaining part are assembled.

Embodiment 2:

As shown in Figure 11 to 14, the present embodiment is to be based on embodiment 1, and on the basis of embodiment 1, add tire packet 4, Tire packet 4 is removably wrapped on the crown of tire, and tire packet 4 is annular in shape, and 4 outer surface of tire packet is additionally provided with multiple grip ribs 40, is prevented Sliding rib 40 forms semicircular in shape relative to 4 convex outer surfaces of tire packet, the section of grip rib 40.

In the present embodiment, tire is thickened by tire packet 4, just has good protection firstly for the tire of its inside Effect, secondly the grip rib 40 on 4 surface of tire packet, can effectively improve the skid resistance of tire, especially when rear wheel of baby carriage is fallen into When skidding on to mud pit/ice face, grip rib 40 has biggish size when due to climbing, and in climbing, support force is huge Greatly, tire can be taken out of from smooth pit, frees predicament.

As shown in figure 13,4 inner surface of tire packet is equipped with platform slot 41, rib slot 42 and bar groove 43, platform slot 41, rib slot 42, bar groove 43 Shape (position) it is corresponding with boss 1, fin 2, shape (position) of raised line 3 respectively.Pass through the groove and tire table of tire packet 4 Face protrusion matches, and the fixation to tire packet 4 is increased, tire when rotated, can drive tire packet 4 to synchronize rotation, avoid taking turns It skids between tire and tire packet 4.

Since tire packet 4 is the interim solution tool for encountering special circumstances and being taken, in routine use, tire packet 4 is accommodated in child In the reserve tank of vehicle, only pass through especially smooth road surface in perambulator, or be trapped in pit skid carry out when being difficult to push using, Therefore tire packet 4 is using detachable setting in the present embodiment.

Tire packet 4 is equipped with fracture, cricoid tire packet 4 can be straightened in band-like, and incision position is equipped at least two docking structures 44, docking structure 44 includes 440, two button blocks 441 of catching groove and retaining ring 5, and button block 441 is located at 4 outer surface of tire packet, and button block 441 In the two sides of fracture, catching groove 440 is located at the bottom of two button blocks 441.

The tire packet 4 of fracture side can be bonded outer surface of tire when use, be rotated by tire and tire packet 4 is brought into and wrapped It is rolled in outer surface of tire, so that entire tire packet 4 is wrapped on tire.

Retaining ring 5 is buckled into two catching grooves 440, since catching groove 440 is located at the bottom of button block 441, retaining ring 5 tenses fracture When two button blocks 441 at place, retaining ring 5 is further pullled by two outside snap-on blocks 441 and enters 440 bottom of catching groove, it is ensured that retaining ring 5 It will not drop out, tire packet 4 is wrapped in tire crown surface.

In the present embodiment, retaining ring 5 is made of thicker wire or steel chain, 5 not deformation of retaining ring and not easy to break.

Fracture is located between two adjacent slots 41, and fracture is set at the rib slot 42 at two adjacent stations slots, 41 middle part, Ensure that fracture site is in the thickness maximum of tire packet 4, guarantees that there are thicker articulamentums for 441 bottom of button block, avoid button block 441 It breaks.If being arranged fracture at platform slot 41, then the remaining articulamentum thinner thickness in 441 bottom of button block, is easily broken.

Embodiment 3:

As shown in figure 15, the present embodiment is to remove the grip rib 40 on 4 surface of tire packet based on embodiment 2, made entire tire packet 4 outer surface forms the surfaces of revolution concentric with tire.

In the present embodiment, 4 hardness of tire packet is 65 (shore hardness A types), and the outer surface of tire packet 4 can be smooth surface It can be the surface with tire lines.

The effect of tire packet 4 herein is mainly used for the internal tire of protection, since the hardness of internal tire is lower, wear compared with Greatly, and the elastic solid (Hookean body) filler inside abrasion rear boss 1, raised line 3 is easy exposure, and manufacturing cost is higher.

Therefore, when perambulator it is flat and wear larger (such as cement road and asphalt road) road traveling when, tire can be passed through Packet 4 is wrapped in outside tires, and tire is avoided to use for a long time and abrasion and rupture occurs.

And when running environment is in the lower road surface of tire wear (sand ground, muddy ground or snowfield) or road surface exist it is big When measuring pit or stone, then tire packet 4 can be unloaded, use the higher tire of pliability instead and travelled, while making flexible foaming Filler gives full play to the effect for reducing Hui Zhen.

The above is a preferred embodiment of the present invention, does not depart from this hair for those of ordinary skill in the art Under the premise of bright principle, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.

Claims

1. a kind of electric perambulator, including tire, it is characterised in that: the tire packet (4) includes the carcass along the setting of its periphery (0), carcass (0) is made of solid rubber, and carcass (0) extends to crown by sidewall, and the crown surface is equipped with multiple boss (1), multiple fins (2) and multiple raised lines (3),

The raised line (3) heart septum along crown is arranged, and there are gap between adjacent raised line (3), raised line (3) is bonded crown, And the outer surface of raised line (3) is arranged concentrically with carcass (0), is equipped with lumen (30) below the raised line (3), lumen (30) is located at tire In body (0), lumen (30) shape is corresponding with raised line (3)；

The boss (1) is set to the two sides of raised line (3), and boss (1) is located at the gap two sides of two adjacent raised lines (3)；It is described Side chamber (10) are equipped with below boss (1), side chamber (10) is located in carcass (0), and side chamber (10) shape is corresponding with boss (1)；

The fin (2) is set between two neighboring boss (1), fin (2) and the setting of boss (1) alternate intervals, fin (2) tire shoulder is extended to by raised line (3) side, be located in the middle part of raised line (3) on the inside of fin (2), the fin (2) is advanced towards perambulator The side in direction is equipped with vertical plane

The flexible foaming filler of shear hardening is filled in the side chamber (10) and lumen (30).

2. electric perambulator according to claim 1, it is characterised in that: fin (2) outer surface is equipped with wear-resisting Attached layer (20), the fully wrapped around fin of attached layer (20) (2), the hardness of the attached layer (20) are greater than the hardness of fin (2).

3. electric perambulator according to claim 1, it is characterised in that: further include tire packet (4), the tire packet (4) can Disassembly is wrapped on the crown of tire, and annularly, tire packet (4) inner surface is equipped with platform slot (41), rib slot (42) to the tire packet (4) With bar groove (43), described slot (41), rib slot (42), bar groove (43) shape respectively with boss (1), fin (2), raised line (3) Shape it is corresponding；Described slot (41), rib slot (42), bar groove (43) position respectively with boss (1), fin (2), raised line (3) position is corresponding.

4. electric perambulator according to claim 3, it is characterised in that: the tire packet (4) is equipped with fracture, the fracture Place is equipped at least one docking structure (44), and the docking structure (44) includes catching groove (440), two button blocks (441) and retaining ring (5), the button block (441) is located at tire packet (4) outer surface, and button block (441) is located at the two sides of fracture, and catching groove (440) is located at two The bottom of button block (441)；

When retaining ring (5) be fastened on two catching grooves (440) it is interior when, the retaining ring (5) tenses two button blocks (441) to incision position, tire Packet (4) is wrapped in tire crown surface.

5. electric perambulator according to claim 4, it is characterised in that: the retaining ring (5) is made of wire.

6. electric perambulator according to claim 4, it is characterised in that: the fracture is located at two adjacent slots (41) between, fracture is set at the rib slot (42) in the middle part of two adjacent stations slots (41).

7. electric perambulator according to claim 3, it is characterised in that: tire packet (4) outer surface is additionally provided with multiple Grip rib (40), grip rib (40) form semicircular in shape relative to tire packet (4) convex outer surfaces, the section of grip rib (40).

8. a kind of preparation method of perambulator described in claim 1, it is characterised in that comprise the steps of:

The preparation of 1 filler:

With mass ratio for 12/100 to 16/100 boric acid and dimethicone, PBDMS (boric acid is prepared in 250-300 DEG C of stirring 72h Dimethicone), EVA particle is added to heating, filler body is made in PBDMS；

The assembling of 2 carcasses:

The preparation of 2.1 carcasses: it by injection molding machine, is processed and is made with half of side chamber (10) and half in a manner of integrated injection molding The carcass (0) of lumen (30)；

2.2 capping preparations: by injection molding machine, the capping (6) of obtained side chamber (10) and lumen (30) is processed in a manner of injection molding；

The assembling of 2.3 crowns: the edge that (6) edge is fixed on lumen (30) or side chamber (10) will be covered with adhesive；

The filling of 2.4 fillers: side chamber (10) or lumen (30) to be filled are put upward vertically, are opened up right above capping (6) Two diameters are less than the through-hole of 0.5mm, and inject medium temperature foaming agent by through-hole, inject high temperature filler by the through-hole again later Main body, until filler foams to from through-hole and overflows；

The processing of 2.5 crown surfaces: step 2.4 is repeated, all lumen (30) and side chamber (10) are filled up completely, and will be outside through-hole The filler that side is overflowed strikes off；

The assembling of 3 tires: carcass (0) is fixed on to the assembling that tire is completed on wheel hub；

The assembling of 4 vehicles: tire and vehicle remaining part are assembled.

9. perambulator preparation method according to claim 8, it is characterised in that: in step 2.3, in capping (6) edge Rubber sheet is pasted with adhesive, and smears adhesive on the edge of carcass (0) side chamber (10) and lumen (30), by rubber sheet It is pressed into the edge of capping (6) and carcass (0) side chamber (10) and lumen (30), compresses and heats at gluing with heating device To 300 DEG C of maintenance 1h, the assembling of crown is completed.

10. perambulator preparation method according to claim 9, it is characterised in that: side chamber (10)/lumen (30) edge and capping (6) edge is equipped with the fixed ring (7) of ladder-like setting.