CN2558416Y

CN2558416Y - Skating and walking skate by front application of force

Info

Publication number: CN2558416Y
Application number: CN 02233361
Authority: CN
Inventors: 李春甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-28
Filing date: 2002-04-28
Publication date: 2003-07-02
Anticipated expiration: 2012-04-28

Abstract

The utility model discloses a dual-use taxiing and walking shoes with the forward direction application of force, which is composed of the main shoes, stents and at least two taxiing wheels which can be rotated in front and back two directions and is characterized in that the shoes also comprise a set wrench and at least one free wheel. The set wrench is arranged on the stent. When the rotation of these taxiing wheels is not required, the hand is used to rotate the set wrench so that the contact face on the set wrench can be respectively in contact with the end surface of the taxiing wheel. Therefore the taxiing wheel fastened cannot be rotated. The free wheels are respectively arranged on the front end or the front and rear ends of the stent of the shoes. Moreover, when the steering drag of the free wheel is small, the dedicated free wheel can be cancelled, while the taxiing wheel disposed on the front-most below the toes of the main shoes is changed to a free taxiing wheel. In addition, a stop block can also be used to replace the above free wheel. The utility has another characteristic that the taxiing and free wheels has a plurality of arrangements that can be a single or multiple rows. Therefore, the utility model provides a dual-use taxiing and walking shoes with the forward direction application of force, convenient adjustment, rational structure and safe use, which can be applied in many circumstances such as in the stairs or on the bus.

Description

Skidding by applying force to them forward and shoes for both walking

Technical field

The utility model relates to a kind of walking instrument, relates in particular to a kind of skidding by applying force to them forward that can ride instead of walk, that serve many purposes and shoes for both walking.

Background technology

For making roller skate can have the walking-function same at any time with city shoe, the needs that adapt to multiple occasion and many users, the multiple technologies scheme has been arranged in the prior art, as disclosed in Chinese patent CN2441524, exercise question is " walking and sliding dual-purpose footwear ", it is by mounting and dismounting wheel carrier and pulley part, thereby realize the conversion of walking and wheel function, it is loaded down with trivial details that its operation is slightly disliked, and after service time is long, it is bigger to wear and tear, and joint is installed is easy to become flexible, and has shortened service life.In addition, the in line dual-purpose shoe of a kind of CRUX is disclosed in Chinese patent CN2467131, these footwear are equipped with the base pedestal on sole, on the base pedestal, be equipped with pulley contracting mechanism and locking mechanism, the pulley contracting mechanism comprises pulley, pulley support pin, drive link, and pulley is loaded on the pulley support pin, the pulley support pin, the pulley support pin is contained on the base pedestal, and drive link links to each other each pulley support pin.But its complex structure, cost height, the difficult popularization.Particularly importantly, present most of roller skate be by the footwear and " oblique " active force of ground (comparing) with people's direct of travel make the people advance, direction of retreat motion, thereby very big difference is arranged with people's normal walking, and the walking of " oblique " active force takies the lateral space of a lot of human bodies, like this on crowded road, can stand in other's way, and very dangerous.

The purpose of this utility model is to overcome the weak point that prior art exists, and a kind of improved roller skate is provided, and it is easy to adjust that it is had, rational in infrastructure, safe in utilization, laborsaving, and can go upstairs, wait under many environment by bus and use.

Summary of the invention

For achieving the above object, the utility model has designed skidding by applying force to them forward and shoes for both walking, in the utility model of being recorded and narrated in the first string of the present utility model, the sliding wheel that this dual-purpose shoe can forward with latter two direction be rotated by footwear main body, support, two is at least formed.It is characterized in that this dual-purpose shoe also comprises a stop spanner.The stop spanner is arranged on the support, and between per two sliding wheels, when needs do not rotate these sliding wheels, promptly under the situation that needs use this dual-purpose shoe when normal footwear, for example walking, go upstairs, by bus the time, just rotate this stop spanner, the contact-making surface on the stop spanner can be contacted with two end faces of two sliding wheels respectively, it can not be rotated thereby clamp sliding wheel with hand.Another special character of the present utility model is that this dual-purpose shoe also comprises an one-way wheel at least.Described one-way wheel is separately positioned on the front end or front-end and back-end of the support that is positioned at footwear.The diameter of this sliding wheel is preferably within 20mm～300mm scope, and the diameter of one-way wheel is less than the diameter of sliding wheel, when sliding forward or walking, the ankle of a movable pin allows rear heel lift, and forefoot firmly, thereby the one-way wheel 4 of footwear is landed, and sliding wheel is liftoff.Like this, rely on the one-way wheel can only one-directional rotation and the characteristic of oppositely not changeing, the driving force that just can make the people all forward, the common roller skate of the force rate that moves ahead decomposes the resulting part power that moves ahead by side force to be wanted greatly.Therefore, with common roller skate to both sides pedal and slide and different be, this practical dual-purpose shoe can just can be realized lengthwisely sliding or walking with less strength, normally walks or during running as the people.Can preferably this one-way wheel be arranged on ground clearance in the scope of 2～90mm.In addition, owing to adopted one-way wheel,, make the people be difficult for falling, and owing to used two one-way wheels, so can realize the timely brake of just sliding, back skating and two directions so when sliding and driving two kinds of actions and carry out conversion, increased stability.

The formation of second scheme of the present utility model is that this dual-purpose shoe is made up of footwear main body, support, a stop spanner, two sliding wheels at least.Wherein, this stop spanner is arranged on the support, and between per two sliding wheels, when needs do not rotate these two sliding wheels, promptly under the situation that needs use this dual-purpose shoe when normal footwear, for example walking, go upstairs, by bus the time, just rotate this stop spanner with hand, contact-making surface on the stop spanner can be contacted with two ends of two sliding wheels respectively, it can not be rotated thereby clamp sliding wheel.Compare its difference is above-mentioned one-way wheel cancellation with first kind of scheme, the substitute is be respectively arranged with in the front end of support or front-end and back-end stop from, at this moment, in the time will sliding forward or walk, the ankle of a movable pin allows rear heel lift, and forefoot firmly, thereby make the scotch 4 of footwear ' land, sliding wheel is liftoff.Like this, rely on the effect of this scotch with kicking backward, the driving force that just can make the people all forward, the common roller skate of the force rate that moves ahead decomposes the resulting part power that moves ahead by side force to be wanted greatly.Therefore, with common roller skate to both sides pedal and slide and different be, this practical dual-purpose shoe can just can be realized lengthwisely sliding or walking with less strength, normally walks or during running as the people.Such roller skate is particularly useful for scrunching fireballing people, equally applicable to sliding forward and backward, slides the conversion with walking, and can stair activity and needs by bus.

Another special character of the present utility model is that described stop spanner is by pinch bar when described sliding wheel is positioned at two supports middle, pin, and bolt fixture block and nut fixture block are formed.In addition, when sliding wheel was positioned at the outside of support, described stop spanner was by pinch bar, pin, and bolt fixture block and nut are formed, and described nut is welding and being fixed on the support.

More preferably,, can cancel ad hoc one-way wheel, and foremost one that will be positioned at the toe cap below of footwear main body slides to wheel and is changed to unidirectional sliding wheel when one-way wheel steering drag hour.

More preferably, the number of described sliding wheel is 2 to 4, and the number of described one-way wheel is 1 to 4.

In addition, another feature of the present utility model is that described sliding wheel and one-way wheel have multiple spread pattern, by row, two kinds of single row type and many rows formulas is arranged, by the number of one-way wheel, multiple situations such as an one-way wheel, two one-way wheels and a plurality of one-way wheels are arranged.

In addition, the utility model also provides a kind of dual-purpose shoe, this dual-purpose shoe is by the footwear main body, support, one can before and after the two directions sliding wheels that rotate form, it is characterized in that, this dual-purpose shoe also comprises a stop spanner and two one-way wheels, the stop spanner is arranged on the support, and be positioned near the sliding wheel part, like this, when needs do not rotate these sliding wheels, rotate this stop spanner with hand, the clamping plate on the stop spanner can be contacted with the end face of described sliding wheel, thereby clamp sliding wheel it can not be rotated, described one-way wheel is separately positioned on the front-end and back-end of the support that is positioned at footwear.

Description of drawings

Below in conjunction with accompanying drawing content of the present utility model is described in detail.

Fig. 1 is the topology view of skidding by applying force to them forward and shoes for both walking among the utility model first embodiment;

Fig. 2 is the topology view of skidding by applying force to them forward and shoes for both walking among the utility model second embodiment;

Fig. 3 is the configuration diagram that Fig. 1 ends the stop fixture block of wrench;

Fig. 4 be in the utility model when sliding wheel is positioned at the outside of support, the configuration diagram of the stop fixture block of stop spanner;

Fig. 5 (a)～5 (c) is the schematic diagram of the various arrangement modes of the single row type structure of corresponding sliding wheel and one-way wheel in the utility model, and has indicated the position of stop spanner respectively;

Fig. 6 (a)～6 (zz) is the schematic diagram of the various arrangement modes of many rows formula structure of corresponding sliding wheel and one-way wheel in the utility model, and has indicated the position of stop spanner respectively.

The special one-way wheel that is provided with of Fig. 7 (a)～Fig. 7 (d) expression cancellation and when a sliding wheel is arranged to unidirectional sliding wheel, the arranging situation schematic diagram of various wheels, and indicated the position of stop spanner respectively.

When Fig. 8 (a)～Fig. 8 (d) expression is changed to scotch to one-way wheel, the arranging situation schematic diagram of various wheels, and indicated the position of stop spanner respectively.

The specific embodiment mode

In the utility model first embodiment, as shown in Figure 1, this dual-purpose shoe is made up of footwear main body 1, support 2, two sliding wheels 3.It is characterized in that this dual-purpose shoe also comprises a stop spanner 5.This stop spanner 5 is arranged on the support 2, and between two sliding wheels 3, when needs do not rotate these two sliding wheels, promptly under the situation that needs use this dual-purpose shoe when normal footwear, for example walking, go upstairs, by bus the time, just rotate this stop spanner 5 (concrete structure of this stop spanner will describe in detail below) with hand, contact-making surface 9 on the stop spanner 5 can be contacted with two end faces of two sliding wheels respectively, it can not be rotated thereby clamp sliding wheel.Another special character of the present utility model is that this dual-purpose shoe also comprises two one-way wheels 4, and these two one-way wheels are separately positioned on the front-end and back-end of the support that is positioned at footwear.The diameter of this sliding wheel is preferably within 20mm～300mm scope, and the diameter of one-way wheel is less than the diameter of sliding wheel.When sliding forward or walking, the ankle of a movable pin allows rear heel lift, and forefoot is exerted oneself, thereby the one-way wheel 4 of footwear is landed, and sliding wheel is liftoff.Like this, rely on the one-way wheel can only one-directional rotation and the characteristic of oppositely not changeing, the driving force that just can make the people all forward, the common roller skate of the force rate that moves ahead decomposes the resulting part power that moves ahead by side force to be wanted greatly.Therefore, with common roller skate to both sides pedal and slide and different be, the strength that the dual-purpose shoe in the utility model can be less just can realize lengthwisely sliding or walking, and normally walks or during running as the people.Preferably, this one-way wheel ground clearance is in the scope of 2～90mm.In addition, owing to adopted one-way wheel,, make the people be difficult for falling, and owing to used two one-way wheels, so can realize the timely brake of just sliding, back skating and two directions so when sliding and driving two kinds of actions and carry out conversion, increased stability.

In addition,, can only an one-way wheel be installed, can realize above-mentioned functions equally at the front end of this support as a kind of modification of present embodiment.Therefore, one-way wheel in the present embodiment can have multiple situation with the number that slides to wheel, and the number of described sliding wheel is 2 to 4, and the number of described one-way wheel is 1 to 4.

Below, describe with reference to 2 pairs of second schemes of the present utility model of accompanying drawing.As shown in Figure 2, this dual-purpose shoe is made up of footwear main body 1, support 2, stop spanner 5, two sliding wheels 3.Wherein, this stop spanner 5 is arranged on the support 2, and between two sliding wheels 3, when these two sliding wheels of needs do not rotate, promptly under the situation that needs use this dual-purpose shoe when normal footwear, for example walking, go upstairs, by bus the time, just rotate this stop spanner with hand, make can contact with two end faces of two sliding wheels respectively on the stop spanner 5, it can not be rotated thereby clamp sliding wheel by touching face 9.Compare its difference is above-mentioned one-way wheel cancellation with first kind of scheme, the substitute is be respectively arranged with in the front-end and back-end of support scotch 4 ', this scotch is the quadrant arcuation, be fixedly mounted on the front-end and back-end of support by two pins, such roller skate is particularly useful for scrunching fireballing people, equally applicable to sliding forward and backward, slide the conversion with walking, and can stair activity and needs by bus.

Below, with reference to accompanying drawing 3 and Fig. 4 stop spanner 5 of the present utility model is described.

When sliding wheel 3 is positioned at two supports 2 middle, as shown in Figure 3, the state of representing this stop spanner 5 sliding wheel not to be locked, this support 2 is provided with a square hole 10, the nut fixture block 11 of square toes is passed this square hole 10, be provided with screwed hole in this nut fixture block 11, a bolt fixture block 8 that has contact-making surface 9, described bolt fixture block 8 is provided with a boss 13 in bolt part on the direction perpendicular to the bolt axis, a side surface of this boss 13 is a contact-making surface 9, a screwed end is extend in this screwed hole, its other end is placed in the pinch bar 6 by pin 7.Like this, when needs locking sliding wheel,, contact-making surface 9 is all closely contacted with the side surface of two sliding wheels, thereby their are locked and can not rotate again just by rotate the pinch bar 6 of this stop spanner 5 with hand.

Because sliding wheel 3 can have multiple arrangement mode in the utility model, so when sliding wheel is positioned at the outside of support 2, structure such as Fig. 4 of this stop spanner 5 represent, described stop spanner 5 is by pinch bar 6, pin 7, bolt fixture block 8 and nut 12 are fine into, wherein, on described support 2, be provided with a hole 10, relative sliding wheel, described nut 12 is welded on the opposite side of support 2, and its axis is overlapped substantially with the axis in hole 10, at support with the lining near the sliding wheel part, described bolt fixture block 8 bolt part be provided with on the direction perpendicular to the bolt axis clamping plate 13 ', these clamping plate with support 2 on 10 relevant positions, hole on also have one can be by the hole of bolt part, and these clamping plate are fixed by welding on the bolt fixture block 8, and with these clamping plate 13 ' a side surface as contact-making surface 9, these bolt fixture block 8 screwed ends are extend in the nut 12, its other end is placed on pinch bar 6 by pin 7.

In addition, another feature of the present utility model is that described sliding wheel and one-way wheel have the form of multiple arrangement, by row, two kinds of single row type and many rows formulas is arranged, by the number of one-way wheel, multiple situations such as an one-way wheel, two one-way wheels and a plurality of one-way wheels are arranged.Fig. 5 (a)～5 (c) is the schematic diagram of the various arrangement modes of the single row type structure of corresponding sliding wheel and one-way wheel in the utility model, and has indicated the position of stop spanner respectively; Wherein Fig. 5 (a) expression has the situation of a sliding wheel and two one-way wheels, this dual-purpose shoe is by footwear main body 1, support 2, one can before and after the two directions sliding wheels 3 that rotate form, it is characterized in that, this dual-purpose shoe also comprises a stop spanner 5 and two one-way wheels 4, stop spanner 5 is arranged on the support 2, and be positioned near the sliding wheel part, like this, when needs do not rotate these sliding wheels, rotate this stop spanner with hand, clamping plate on the stop spanner can be contacted with the end face of described sliding wheel, thereby clamp sliding wheel it can not be rotated, described one-way wheel 4 is separately positioned on the front-end and back-end of the support that is positioned at footwear, in such cases, sliding wheel can be done more greatly, can adapt to smooth inadequately road surface; The situation of Fig. 5 (b) expression capable two sliding wheels of tool and two one-way wheels, in such cases, roller skate is more steady when sliding, and higher sliding speed is arranged; Fig. 5 (c) expression has the situation of three sliding wheels and two one-way wheels, and in such cases, roller skate is steady when sliding.Fig. 6 (a)～6 (zz) is the schematic diagram of the various arrangement modes of many rows formula structure of corresponding sliding wheel and one-way wheel in the utility model, and indicated the position of stop spanner respectively, Fig. 6 (a) expression has the situation of two (side by side) sliding wheels and an one-way wheel, Fig. 6 (b) expression has the situation of three sliding wheels and an one-way wheel, Fig. 6 (c) expression another kind has the situation of three sliding wheels and an one-way wheel, Fig. 6 (d) expression has the situation of four sliding wheels and an one-way wheel, Fig. 6 (e) expression has the situation of four sliding wheels and an one-way wheel, Fig. 6 (f) expression has the situation of two sliding wheels and two one-way wheels, Fig. 6 (g) expression another kind has the situation of two sliding wheels and two one-way wheels, Fig. 6 (h) expression has the situation of three sliding wheels and two one-way wheels, Fig. 6 (I) expression another kind has the situation of three sliding wheels and two one-way wheels, Fig. 6 (j) represents that another has the situation of three sliding wheels and two one-way wheels, Fig. 6 (k) expression has the situation of four sliding wheels and two one-way wheels, Fig. 6 (1) expression another kind has the situation of three sliding wheels and two one-way wheels, Fig. 6 (m) represents that another has the situation of four sliding wheels and two one-way wheels, Fig. 6 (n) represents that another has the situation of four sliding wheels and two one-way wheels, Fig. 6 (o) expression has the situation of two sliding wheels and three one-way wheels, Fig. 6 (p) expression has the situation of two sliding wheels and four one-way wheels, Fig. 6 (q) expression another kind has the situation of two sliding wheels and four one-way wheels, Fig. 6 (r) expression has the situation of three sliding wheels and three one-way wheels, Fig. 6 (s) expression has the situation of three sliding wheels and four one-way wheels, Fig. 6 (t) expression has the situation of three sliding wheels and three one-way wheels, Fig. 6 (u) expression has the situation of two sliding wheels and three one-way wheels, (v) expression has the situation of three sliding wheels and three one-way wheels to Fig. 6, Fig. 6 (w) expression has the situation of three sliding wheels and four one-way wheels, Fig. 6 (x) expression has the situation of four sliding wheels and three one-way wheels, Fig. 6 (y) expression has the situation of four sliding wheels and four one-way wheels, Fig. 6 (z) expression has the situation of four sliding wheels and three one-way wheels, and Fig. 6 (zz) expression has the situation of four sliding wheels and four one-way wheels; In addition,, can cancel ad hoc one-way wheel when one-way wheel steering drag hour, and will be positioned at below the toe cap, top sliding wheel changes unidirectional sliding wheel 3 into '.The various arranging situations of wheel specifically can be referring to shown in Fig. 7 (a)-Fig. 7 (d), and has indicated the position of stop spanner respectively; Wherein Fig. 7 (a) expression have sliding wheel 3 of single row type and unidirectional sliding wheel 3 ' situation, 7 (b) expression has two sliding wheels of single row type and the situation of a unidirectional sliding wheel, 7 (c) expression has two sliding wheels of double-row type and the situation of two unidirectional sliding wheels, and 7 (d) expression has two sliding wheels of double-row type and the situation of a unidirectional sliding wheel.In addition, when Fig. 8 (a)～Fig. 8 (d) expression is changed to scotch to one-way wheel, the arranging situation schematic diagram of various wheels, and indicated the position of stop spanner respectively; Wherein Fig. 8 (a) expression has the situation of two sliding wheels of single row type, scotch 4 ' be circular shape as shown in the figure, Fig. 8 (b) expression has the situation of three sliding wheels of single row type, Fig. 8 (c) expression has the situation of four sliding wheels of double-row type, and Fig. 8 (d) expression has the situation of three sliding wheels of double-row type.

Compared with prior art the utlity model has following advantage: at first, owing to be provided with one-way wheel or scotch, so need not any external energy, only depend on the less strength of user's foot just can realize lengthwisely sliding or walking, when normally walking or running as the people; Secondly, the utility model integrates the advantage of bicycle and roller skate, rely on autowrench can realize easily sliding and walking between conversion, can adapt to multiple occasion and use; In addition, the utlity model has advantages such as cost is low, volume is small and exquisite, in light weight, easy to carry, all can as the vehicles or physical training utensil.

Each preferred embodiment of the present utility model more than has been described, but the utility model is not limited to the foregoing description, self-evident, also can in the scope that does not break away from aim of the present utility model, do more the variation, this still falls into protection domain of the present utility model.

Claims

1. skidding by applying force to them forward and shoes for both walking, these footwear by footwear main body (1), support (2), at least two can before and after the two directions sliding wheels (3) that rotate form, it is characterized in that this roller skate also comprises a stop spanner (5) and at least one one-way wheel (4), stop spanner (5) is set in place on the support (2) between per two sliding wheels; Described one-way wheel (4) is separately positioned on the front end or front-end and back-end of the support that is positioned at footwear.

2. skidding by applying force to them forward and shoes for both walking, these footwear are made up of footwear main body (1), support (2), two sliding wheels (3) at least, it is characterized in that this roller skate also comprises a stop spanner (5) and at least one scotch (4 '), stop spanner (5) is set in place on the support (2) between per two sliding wheels; Described scotch (4 ') is separately positioned on the front end or front-end and back-end of the support that is positioned at footwear.

3. skidding by applying force to them forward as claimed in claim 1 and shoes for both walking it is characterized in that the diameter of sliding wheel (3) is arranged within 20mm～300mm scope, and the diameter of one-way wheel are less than the diameter of sliding wheel.

4. skidding by applying force to them forward as claimed in claim 1 and shoes for both walking is characterized in that described one-way wheel (4) ground clearance is in the scope of 2～90mm when sliding wheel (3) when landing entirely.

5. skidding by applying force to them forward as claimed in claim 2 and shoes for both walking is characterized in that described scotch (4 ') ground clearance is in the scope of 2～90mm when sliding wheel (3) when landing entirely.

6. skidding by applying force to them forward as claimed in claim 1 or 2 and shoes for both walking, it is characterized in that when sliding wheel (3) is positioned at two supports (2) middle, described stop spanner (5) is by pinch bar (6), pin (7), bolt fixture block (8), the nut fixture block (11) of band square toes is formed, wherein, on described support (2), be provided with a square hole (10), the square toes of this nut fixture block (11) can pass this square hole (10), be provided with screwed hole in this nut fixture block (11), described bolt fixture block (8) is provided with a boss (13) in bolt part on the direction perpendicular to the bolt axis, a side surface of this boss is contact-making surface (9), and the screwed end of this bolt fixture block (8) is extend in this screwed hole, and its other end is placed on pinch bar (6) by pin (7).

7. skidding by applying force to them forward as claimed in claim 1 or 2 and shoes for both walking, it is characterized in that when sliding wheel (3) is positioned at the outside of support (2), described stop spanner (5) is by pinch bar (6), pin (7), bolt fixture block (8), nut (12) is formed, wherein, on described support (2), be provided with a hole (10), relative sliding wheel, described nut (12) is welded on the opposite side of support (2), and its axis is overlapped substantially with the axis of hole (10), at support with the lining near the sliding wheel part, described bolt fixture block (8) bolt part is provided with clamping plate (13 ') along the direction perpendicular to the bolt axis, these clamping plate also have the hole that can pass through the bolt part on the relevant position, these clamping plate are fixed by welding on the bolt fixture block (8), and a side surface of these clamping plate (13 ') is as contact-making surface (9), the screwed end of this bolt fixture block (8) is extend in the nut (12), and its other end is placed on pinch bar (6) by pin (7).

8. skidding by applying force to them forward as claimed in claim 1 and shoes for both walking is characterized in that cancelling ad hoc one-way wheel (4), and a sliding wheel (3) foremost that will be positioned at the toe cap below of footwear main body (1) is changed to unidirectional sliding wheel (3 ').

9. skidding by applying force to them forward as claimed in claim 1 and shoes for both walking, the number that it is characterized in that described sliding wheel are 2 to 4, and the number of described one-way wheel is 1 to 4.

10. skidding by applying force to them forward as claimed in claim 1 and shoes for both walking is characterized in that described sliding wheel (3) and one-way wheel (4) have multiple arrangement mode, can be single row type or many rows formula.

11. skidding by applying force to them forward as claimed in claim 2 and shoes for both walking, it is characterized in that described sliding wheel (3) and fixedly slide block (4 ') multiple arrangement mode is arranged, can be single row type or many rows formula.

12. skidding by applying force to them forward as claimed in claim 8 and shoes for both walking is characterized in that described sliding wheel (3) and unidirectional sliding wheel (3 ') have multiple arrangement mode, can be single row type or many rows formula.

13. skidding by applying force to them forward and shoes for both walking, these footwear by footwear main body (1), support (2), one can before and after the two directions sliding wheels (3) that rotate form, it is characterized in that: this roller skate also comprises a stop spanner (5) and two one-way wheels (4), and stop spanner (5) is set in place on the close support (2) of sliding wheel part; Described one-way wheel (4) is separately positioned on the front-end and back-end of the support that is positioned at footwear.