CN206155015U

CN206155015U - Wheel and child's tricycle with separation and reunion function

Info

Publication number: CN206155015U
Application number: CN201621099439.5U
Authority: CN
Inventors: 王伟康
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2017-05-10
Anticipated expiration: 2026-09-30

Abstract

The utility model provides a wheel and child's tricycle with separation and reunion function relates to wheel technical field, rides in the in -process stretches into the wheel with the foot easily carelessly for solving children, the technical problem that causes danger even and designing. The wheel that should have the separation and reunion function includes wheel, bent axle and clutch, wherein, clutch sleeve establishes on the bent axle, just clutch sleeve establishes in the wheel hub of wheel, can dismantle continuously with wheel hub. The clutch has been add to this wheel after improving for to prevent children from is inside the in -process of riding stretches into the wheel with the foot carelessly, and to a great extent has reduced the potential safety hazard.

Description

Wheel with clutch function and child's tricycle

Technical field

The utility model is related to wheel, more particularly to but and is directed not only to carry the wheel and children's three-wheel of clutch function Car.

Background technology

Wheel be fix tire inner edge, support tire and with the wheel of the common bearing load of tire, generally by wheel and wheel The big part of tire two constitutes wheel set.

Wheel mainly includes wheel rim, spoke and wheel hub.

Wheel rim：Wheel rim is commonly called as wheel rim, is the part of wheel periphery mounting tyre, and in common disc wheel, it leads to Often it is formed integrally with wheel disc, and and back-up ring, the annex such as lock ring together, constitutes wheel rim assembly.

Spoke：Spoke is the part for connecting wheel rim and wheel hub on wheel, including multiple spokes, with the circle that wheel rim and wheel hub are It is distributed in centered on the heart and radially between wheel rim and wheel hub, general sport vehicle wheel hub spoke number is odd number.

Wheel hub：Wheel hub is the part that the columned and center of wide support tire in tire is mounted on axle, and wheel hub is according to straight Footpath, width, molding mode, material variety classes are various.

During cycling, the head of a family sometimes can carry out children, and due to carrying out excessive velocities, wheel is driven by bent axle Pedal is rotated, and the both feet of children carry out quick rotation also with pedal, therefore children is often occurred and accidentally stretched on pin Problem in wheel, once finding not in time, or even can cause danger.

Therefore, the front vehicle wheel of child's tricycle is urgently improved, and can control wheel with pedal in different situations, together Step is rotated or non-interference：In children's ride, pedal synchronizes rotation by bent axle band motor car wheel；Push away in the head of a family During dynamic tricycle, the rotation of wheel does not produce impact on pedal, non-interference between wheel and pedal.In consideration of it, this reality A kind of wheel with clutch function is provided with new applicant, the problems referred to above are largely solved, children is reduced and is ridden Potential safety hazard during row.

Utility model content

The purpose of this utility model is to provide the wheel with clutch function and child's tricycle, to solve prior art Present in easily pin is stretched in wheel accidentally in children's ride, or even the technical problem caused danger.

The wheel with clutch function that the utility model is provided, should carry the wheel of clutch function includes wheel, bent axle And clutch；Wherein,

The clutch sleeve is located on bent axle, and the clutch sleeve is located in the wheel hub of wheel, with the detachable phase of wheel hub Even；

Be installed with the spacing disk with the first groove on the bent axle, the spacing disk be used to limiting on the bent axle from The position of clutch；

The clutch includes the clutch body being equipped with wheel hub, is arranged on the knob on clutch body top, And upper end cover of the spiral-lock on knob and spiral-lock are in the bottom end cover of clutch body bottom；The clutch body, knob, on End cap and bottom end cover center are provided with the centre bore for being inserted in bent axle；The clutch body is set on bent axle and it Top props up the bottom of the spacing disk, and the bottom of knob props up the top of the spacing disk, two of the bottom end cover First projection with threaded hole is detachably connected with the through hole inside clutch body, and two of the upper end cover with threaded hole Two arc guide grooves that first projection is each passed through on the knob detachably connect with the through hole inside the clutch body Connect；The second groove for fixing elastic component is provided with the clutch body, it is recessed that the elastic component bottom is fixed on second In groove, plectrum is placed on top, and the bottom of the knob is provided with slope.

Further, the wheel includes wheel rim, spoke and the wheel hub for being fixedly linked with clutch body；

Wherein, the wheel rim and wheel hub be to be coaxially disposed, and for circular ring, the spoke includes odd number spoke, Described spoke one end is connected with wheel rim, and the other end is connected with wheel hub, and radial point centered on the center of circle of wheel rim and wheel hub Cloth.

Further, the wheel rim, spoke and wheel hub are plasticizing integrated formed structure.

Further, the wheel hub inner ring is evenly arranged with multiple limited blocks, and correspondingly, the clutch body outer ring is equal It is even to be provided with multiple 3rd grooves, the limited block with the 3rd groove to be equipped with, with can be by wheel hub and clutch body It is detachably connected.

Further, the wheel rim inner ring is additionally provided with valve port.

Further, two arc guide grooves are symmetrically arranged two phases centered on the center of circle of wheel rim and wheel hub Same strip circular arc.

Further, the elastic component is spring.

Further, the plectrum is metal plectrum.

Further, the upper end cover, bottom end cover are detachably connected respectively by screw and clutch body.

The utility model additionally provides a kind of child's tricycle, including tricycle body and peace turn in the tricycle sheet The above-mentioned wheel with clutch function on body front vehicle wheel position.

The wheel with clutch function and child's tricycle that the utility model is provided, have the advantage that：

In the wheel with clutch function, clutch is additionally arranged in the wheel hub of wheel, the clutch passes through knob Rotation, bent axle can be realized with the synchronous axial system of clutch or non-interference.When children ride, turning knob, due to The difference in height of slope, plectrum is moved to knob bottom minimum point and departs from spacing disk along slope, now, plectrum compression bullet Property part and return the second groove with elastic component co-contraction so that bent axle is synchronized turn by clutch band motor car wheel and pedal Dynamic, children can normally ride unaffected；When the head of a family promotes tricycle to advance, sometimes easily there is fltting speed too fast Situation, the foot of children is easily involved in inside wheel, if it find that not in time, or even can cause major accident, therefore, pushing away Knob should be rotated backward before row, because just elastic component has put aside elastic potential energy, anti-work of the plectrum in elastic component elastic potential energy The first groove is passed through in the presence of firmly and knob bottom peak is moved to along slope so that the rotation of clutch and bent axle Rotation between it is non-interference.

Above-mentioned setting so that the utility model is additionally arranged clutch after improvement, realizes that bent axle is synchronous with clutch Rotate or non-interference, for preventing, children are careless in ride to stretch into inside wheel by pin, largely reduces Potential safety hazard.

Description of the drawings

In order to be illustrated more clearly that the utility model specific embodiment or technical scheme of the prior art, below will be right The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.

The structural representation of the wheel with clutch function that Fig. 1 is provided for the utility model embodiment；

Fig. 2 is shown for the structure of wheel in the wheel with clutch function that provided based on the utility model embodiment of Fig. 1 It is intended to；

The structure of the clutches of wheel with clutch function of the Fig. 3 to be provided based on the utility model embodiment of Fig. 1 Schematic diagram；

Fig. 4 is the clutch body of the wheel with clutch function that provides based on the utility model embodiment of Fig. 3 The structural representation of one end face；

Fig. 5 is the clutch body of the wheel with clutch function that provides based on the utility model embodiment of Fig. 4 The structural representation of another end face；

Fig. 6 is shown for the structure of the knob of the wheel with clutch function provided based on the utility model embodiment of Fig. 3 It is intended to；

The top view of the knobs of wheel with clutch function of the Fig. 7 to be provided based on the utility model embodiment of Fig. 6；

Upper end cover (or the lower end of wheels with clutch function of the Fig. 8 to be provided based on the utility model embodiment of Fig. 3 Lid) structural representation；

Upper end cover (or the lower end of wheels with clutch function of the Fig. 9 to be provided based on the utility model embodiment of Fig. 8 Lid) top view；

Figure 10 is shown for the structure of the bent axle of the wheel with clutch function provided based on the utility model embodiment of Fig. 1 It is intended to；

The explosive view of wheels with clutch function of the Figure 11 to be provided based on the utility model embodiment of Fig. 1.

Reference：

10- wheels；20- bent axles；

30- clutches；

11- wheel rims；12- wheel hubs；

13- spokes；

111- valve ports；

121- limited blocks；

131- spokes；

The spacing disks of 21-；The grooves of 22- first；

31- upper end covers；32- bottom end covers；

311- screwed holes；312- first is raised；

33- clutch bodies；

331- elastic components；The grooves of 332- second；

333- plectrums；334- through holes；

The grooves of 335- the 3rd；

34- knobs；

341- arc guide grooves；342- slopes；

35- centre bores.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the embodiment in the utility model, this The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on can understanding as the case may be State concrete meaning of the term in the utility model.

As shown in figs. 1-11, the utility model provide the wheel with clutch function, including wheel 10, bent axle 20 and Clutch 30；

Wherein, above-mentioned clutch 30 is set on bent axle 20, and above-mentioned clutch 30 is set in the wheel hub 12 of wheel 10, Detachably it is connected with wheel hub 12；

Specifically, the spacing disk 21 with the first groove 22 is installed with above-mentioned bent axle 20, above-mentioned spacing disk 21 is used for Limit the position of clutch 30 on above-mentioned bent axle 20；

Specifically, for clutch 30, including the clutch body 33 being equipped with wheel hub 12, it is arranged on clutch The knob 34 on the top of device body 33, and upper end cover 31 and spiral-lock of the spiral-lock on knob 34 is under the bottom of clutch body 33 End cap 32；Above-mentioned clutch body 33, knob 34, upper end cover 31 and the center of bottom end cover 32 are provided with for being inserted in bent axle 20 Centre bore 35；Above-mentioned clutch body 33 is set on bent axle 20 and its top props up the bottom of above-mentioned spacing disk 21, rotation The bottom of button 34 props up the top of above-mentioned spacing disk 21, first projection 312 of two with threaded hole 311 of above-mentioned bottom end cover 32 It is detachably connected with the through hole 334 inside clutch body 33, the first of two with threaded hole 311 of above-mentioned upper end cover 31 is raised 312 to be each passed through on above-mentioned knob 34 two arc guide grooves 341 removable with the through hole 334 inside above-mentioned clutch body 33 Unload connection；The second groove 332 for fixing elastic component 331, the bottom of above-mentioned elastic component 331 are provided with above-mentioned clutch body 33 End is fixed in the second groove 332, and plectrum 333 is placed on top, and the bottom of above-mentioned knob 34 is provided with slope 342, during installation, The one end of plectrum 333 abuts through the first groove 22 and with elastic component 331, and the other end contacts with slope 342；

During practical application, when children ride, along the height of slope 342 by high direction turning knob 34 on earth, due to The difference in height of slope 342, plectrum 333 is moved to the bottom minimum point of knob 34 and departs from spacing disk 21 along slope 342, this When the compression elastic piece 331 of plectrum 333 and with the co-contraction of elastic component 331 return the second groove 332 so that bent axle 20 pass through clutch 30 band motor car wheels 10 synchronize rotation with pedal；When the head of a family promotes tricycle to advance, knob 34 is rotated backward, due to bullet Property part 331 put aside elastic potential energy, plectrum 333 is recessed through first in the presence of the reaction force of the elastic potential energy of elastic component 331 Groove 22 is simultaneously moved to the bottom peak of knob 34 along slope 342 so that between the rotation of clutch 30 and the rotation of bent axle 20 It is non-interference.

Herein it should be noted that because bent axle 20 is in rotation process, spacing disk 21 can be caused to separate with plectrum 333 Phenomenon, plectrum 333 along the height of slope 342 from low to high during, it is impossible to a turning knob 34, need to coordinate manual Turning crankshaft 20, to adjust to rational position so that plectrum 333 rises to peak along the first groove 22, realizes synchronous turning Dynamic, vice versa.

Wherein, above-mentioned peak is only as a kind of preferred embodiment, because plectrum 333 props up the highest of slope 342 Point, could so cause that bent axle 20 and clutch 30 fix is more firm, during practical application, it is only necessary to which plectrum 333 is moved to A higher position on slope 342, will not relatively rotate between bent axle 20 and clutch 30.

More specifically, it is described in detail below for all parts in the present embodiment.

For wheel, as shown in Fig. 2 above-mentioned wheel 10 include wheel rim 11, spoke 13 and for clutch sheet The wheel hub 12 that body 33 is fixedly linked；Wherein, above-mentioned wheel rim 11 and wheel hub 12 be to be coaxially disposed, and for circular ring, above-mentioned wheel Spoke 13 includes odd number spoke 131, and the one end of above-mentioned spoke 131 is connected with wheel rim 11, and the other end is connected with wheel hub 12, and with wheel rim 11 and wheel hub 12 the center of circle centered on radially distribute.Due to the wheel 10 of child's tricycle it is less, the load-carrying born also compared with It is little, it is preferable that spoke 13 includes three spokes 131.In order to ensure the integrality of said structure, the inner ring of wheel rim 11 is additionally provided with valve Hole 111, the outer ring of wheel rim 11 is provided with tire.

For the integrality of structure, it is preferable that above-mentioned wheel rim 11, spoke 13 and wheel hub 12 are integrally formed knot for plasticizing Structure.Common on the market wheel rim 11 typically adopts aluminium wheel rim, and outer ring to be used to connect tire, due to child weight it is little, tricycle On will not also place heavier article, therefore the present embodiment is adopted inside plastic material, and wheel rim 11, spoke 13 and wheel hub 12 Mostly adopt hollow structure, it is therefore an objective to ensure weight capacity on the basis of material-saving.The integral type of whole wheel 10 Not only machine-shaping is convenient for structure, it is also possible to prevent dislocation and the separation produced in riding, it is to avoid cause danger.

In order to be connected with clutch 30, further, the inner ring of above-mentioned wheel hub 12 is evenly arranged with multiple limited blocks 121, phase Ying Di, the outer ring of above-mentioned clutch body 33 is evenly arranged with multiple 3rd grooves 335, the groove 335 of above-mentioned limited block 121 and the 3rd To be equipped with, so that wheel hub 12 can be detachably connected with clutch body 33.

Preferably, the limited block 121 of the present embodiment is the hollow circular ring structure for being evenly distributed on the inner ring of wheel hub 12, accordingly Ground, the 3rd matched groove 335 is semi-cylindrical recesses, and this set purpose is, in repeatedly dismounting clutch 30 During, a certain degree of abrasion can be caused with limited block 121 to the 3rd groove 335, as a result of rounder and more smooth shape unavoidably Shape, than structures such as cuboid, triangles, weares and teares less, also less affects to use, and hollow structure saves materials.It is preferred that Ground, in the present embodiment, the quantity of limited block 121 is three, and correspondingly, the quantity of the 3rd groove 335 is also three.Need explanation , the quantity of the groove 335 of limited block 121 and the 3rd and structure monarch do not limit, as long as can realize that limited block 121 and the 3rd is recessed Groove 335 cooperates fixed clutch body 33 and wheel 10.

In order to ensure the anglec of rotation of knob 34, as shown in fig. 6-7, two above-mentioned arc guide grooves 341 are with wheel rim 11 Symmetrically arranged two identicals strip circular arc with centered on the center of circle of wheel hub 12.Knob 34 is shaped as disc, center Position is provided with the centre bore 35 for passing through for bent axle 20, and the outer ring of knob 34 is additionally provided with anti-skid bulge so that rotate manually During knob 34, increase frictional resistance, arc guide groove 341 is two identical strip circular arcs, and the arc length of circular arc is determined The scope of the rotational angle of knob 34, and depending on the steep of slope 342.

As Figure 8-9, upper end cover 31 is identical setting with bottom end cover 32, and its center also is provided with centre bore 35, on End cap 31 is disk cover structure, top boss, and it is first raised that the surface of upper end cover 31 is through with inwardly projecting with threaded hole 311 312, through two arc guide grooves 341 of knob 34, for fixing upper end cover 31 and clutch body 33, bottom end cover 32 with it is upper The structure of end cap 31 is identical, differs only in, bottom end cover 32 with threaded hole 311 the first projection 312 directly with penetrate clutch Through hole 334 inside device body 33 and fix with clutch body 33, here is not just repeated one by one.

The clutch body 33 that the present embodiment is provided is column structure, and as illustrated in figures 4-5, inside is provided with centre bore 35, in The multiple through holes 334 coordinated with first raised 312 are provided between heart hole 35 and outer wall, for connecting with upper end cover 31 and bottom end cover 32 Connect so that upper end cover 31, bottom end cover 32 are detachably connected respectively by screw and clutch body 33.In clutch body 33 also The first groove 22 is provided with, for holding elastic component 331 and plectrum 333.

Preferably, above-mentioned elastic component 331 is spring, and above-mentioned plectrum 333 is metal plectrum.Elastic component 331 can also be selected Other structures, spring preferably adopts return spring.Plectrum 333 is because using metal plectrum, rub proofness is high, and quality is big, peace Elastic component 331 can be pushed down by deadweight during dress, in case ejecting the second groove 332 by elastic component 331 when installing.

Preferably, in order to coordinate wheel 10 to use, above-mentioned clutch body 33, upper end cover 31, bottom end cover 32 and knob 34 adopt plastic material, and as a result of identical material, during use, the degree of wear is low.

Further, bent axle 20 is solid stepped iron axle, as shown in Figure 10, limited location disk 21 is welded thereon, from 30 installed therein positions of clutch simultaneously prop up spacing disk 21.

During practical application, for the integrality of structure, the two ends of bent axle 20 of the present embodiment are rotatably connected to respectively pedal.

Now the installation process with regard to the present embodiment is made to be illustrated with labor：

First, fixed clutch 30 and wheel 10：Clutch body 33 is penetrated into the inner ring of wheel hub 12, limited block 121 and Three grooves 335 are corresponded, it is ensured that clutch body 33 is fixed with wheel hub 12.

2nd, clutch 30 is assembled：Bent axle 20 is inserted in inside clutch body 33, and the top of clutch body 33 is supported Firmly the bottom of spacing disk 21, by plectrum 333 through the first groove 22 on spacing disk 21, and is put into the second groove 332 The top of elastic component 331, with the tight plectrum 333 of hand pressure, by knob 34 and upper end cover 31 successively spiral-lock at the top of clutch body 33, And fixed upper end cover 31 with clutch body 33 with screw, now, plectrum 333 needs guiding through the first groove 22, finally by lower end Lid 32 is fixed by screw with clutch body 33.

3rd, the clutch function of clutch 30 is checked：Turn knob 34 coordinates crank rotation to relevant position, and observation is The no synchronous axial system that can make bent axle 20 and clutch 30；Knob 34 is reversely rotated to relevant position, and coordinates crank rotation, seen Whether can make bent axle 20 with clutch 30 non-interference, if problematic, re-assembly if examining, if no problem, complete peace Dress.

To sum up, the utility model provides a kind of wheel 10 with clutch function, in the wheel hub 12 of traditional wheel 10 Clutch 30 is set up, the synchronous axial system or non-interference of bent axle 20 and clutch 30 is realized.For prior art, this is carried The wheel of clutch function has the advantage that huge, is embodied in following several respects：

First, in the wheel with clutch function, clutch 30 is additionally arranged in the wheel hub 12 of wheel 10, the clutch 30, by the rotation of knob 34, can realize the synchronous axial system or non-interference of bent axle 20 and clutch 30.When children ride When, turning knob 34, due to the difference in height of slope 342, plectrum 333 is moved to the bottom minimum point of knob 34 along slope 342 And depart from spacing disk 21, now, the compression elastic piece 331 of plectrum 333 simultaneously returns the second groove 332 with the co-contraction of elastic component 331, So that bent axle 20 synchronizes rotation by clutch 30 with motor car wheel 10 and pedal, children can normally ride not by shadow Ring；When the head of a family promotes tricycle to advance, sometimes easily there is the too fast situation of fltting speed, the foot of children is easily involved in Inside wheel 10, if it find that not in time, or even major accident can be caused, therefore, knob 34 should be rotated backward before implementation, Because just elastic component 331 has put aside elastic potential energy, plectrum 333 is passed through in the presence of the reaction force of elastic component elastic potential energy First groove 22 is simultaneously moved to the bottom peak of knob 34 along slope 342 so that the rotation of clutch 30 turns with bent axle 20 It is non-interference between dynamic.

2nd, in addition, in the wheel with clutch function, due to the use of people being children, the bearing capacity of wheel 10 is little, because This wheel 10 and clutch 30 mostly adopt plastic material, facilitate the head of a family to move up；And wheel 10 and clutch 30 are mostly It is hollow structure, material-saving.

3rd, last, in the wheel with clutch function, the simple structure of clutch 30, processing cost is low and wear-resisting Damage low degree.

Above-mentioned setting so that the utility model is additionally arranged clutch 30 after improvement, realizes bent axle 20 and clutch 30 Synchronous axial system or non-interference, for preventing children from accidentally pin is stretched into inside wheel 10 in ride, very great Cheng Potential safety hazard is reduced on degree.

Therefore, using the child's tricycle of this new wheel with clutch function, effectively prevent children from riding During virgin tricycle, accidentally pin is stretched into into inside wheel so as to the potential safety hazard damaged to children.

Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than it is limited System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It still can modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent；And these are changed or are replaced, the essence for not making appropriate technical solution departs from this practicality newly The scope of each embodiment technical scheme of type.

Claims

1. a kind of wheel with clutch function, it is characterised in that including wheel, bent axle and clutch；Wherein,

The clutch sleeve is located on bent axle, and the clutch sleeve is located in the wheel hub of wheel, is detachably connected with wheel hub；

The spacing disk with the first groove is installed with the bent axle, the spacing disk is used to limit clutch on the bent axle Position；

The clutch includes the clutch body being equipped with wheel hub, is arranged on the knob on clutch body top, and The bottom end cover of upper end cover of the spiral-lock on knob and spiral-lock in clutch body bottom；The clutch body, knob, upper end cover And bottom end cover is provided with the centre bore for being inserted in bent axle；The clutch body is set on bent axle and its top props up The bottom of the spacing disk, the bottom of knob props up the top of the spacing disk, and two of the bottom end cover are with threaded hole First projection be detachably connected with the through hole inside clutch body, two with threaded hole first of the upper end cover are raised Two arc guide grooves and the through hole inside the clutch body being each passed through on the knob is detachably connected；It is described from Clutch is originally provided with vivo the second groove for fixing elastic component, and the elastic component bottom is fixed in the second groove, top Plectrum is placed, the bottom of the knob is provided with slope.

2. the wheel with clutch function according to claim 1, it is characterised in that the wheel includes wheel rim, spoke And the wheel hub for being fixedly linked with clutch body；

Wherein, the wheel rim and wheel hub be to be coaxially disposed, and for circular ring, the spoke includes odd number spoke, described Spoke one end is connected with wheel rim, and the other end is connected with wheel hub, and is radially distributed centered on the center of circle of wheel rim and wheel hub.

3. the wheel with clutch function according to claim 2, it is characterised in that the wheel rim, spoke and wheel hub To plastify integrated formed structure.

4. the wheel with clutch function according to claim 2, it is characterised in that the wheel hub inner ring is evenly arranged with Multiple limited blocks, correspondingly, the clutch body outer ring is evenly arranged with multiple 3rd grooves, and the limited block is recessed with the 3rd Groove is to be equipped with, can be detachably connected wheel hub with clutch body.

5. the wheel with clutch function according to claim 4, it is characterised in that the wheel rim inner ring is additionally provided with valve Hole.

6. the wheel with clutch function according to claim 5, it is characterised in that two arc guide grooves be with Symmetrically arranged two identicals strip circular arc centered on the center of circle of wheel rim and wheel hub.

7. the wheel with clutch function according to claim 1, it is characterised in that the elastic component is spring.

8. the wheel with clutch function according to claim 1, it is characterised in that the plectrum is metal plectrum.

9. the wheel with clutch function according to claim 1, it is characterised in that the upper end cover, bottom end cover difference It is detachably connected with clutch body by screw.

10. a kind of child's tricycle, it is characterised in that turn in the tricycle body front vehicle wheel including tricycle body and peace The wheel with clutch function according to any one of claim 1-9 on position.