CN218474861U

CN218474861U - Pattern roller skate rack and pattern roller skate

Info

Publication number: CN218474861U
Application number: CN202090000157.3U
Authority: CN
Inventors: 欧诚群
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2023-02-14
Anticipated expiration: 2030-08-25
Also published as: WO2022040918A1

Abstract

The utility model discloses a style roller skate frame and style roller skate, its front pulley (200), back pulley (400) have the position of selectable first height and second height, and the position of front side and the position of rear side can be selected in well pulley (300). By adjusting the position of the three pulleys: in-line roller skating, ice skate-like shoes and common roller skating to adapt to different requirements. Wide application range and convenient production and processing.

Description

Pattern roller skate rack and pattern roller skate

Technical Field

The utility model relates to a style roller skate frame and style roller skate.

Background

The connection between the roller skating support and the pulleys of the traditional roller skating shoe is fixed, most of the pulleys are all parallel landed at the same time, and the arrangement of the wheels can not meet the requirements of players playing fancy roller skating. If a player wants to play a plurality of patterns, the player needs to purchase different types of roller skates.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flower roller skate frame and flower roller skate, it has overcome the not enough that the background art exists. The utility model provides one of the technical scheme that its technical problem adopted is:

a flower-like roller skating shoe rack comprises a shoe rack body and three rollers which are all installed on the shoe rack body, wherein the three rollers are respectively a front roller, a middle roller and a rear roller, the front roller is provided with a position with selectable first front roller height and a position with selectable second front roller height, the rear roller is provided with a position with selectable first rear roller height and a position with selectable second rear roller height, the middle roller is provided with a position with selectable middle roller front side and a position with selectable middle roller rear side, and the flower-like roller skating shoe rack comprises a shoe rack body and three rollers which are all installed on the shoe rack body, wherein:

when the front pulley is positioned at the height of the second front pulley and the rear pulley is positioned at the height of the first rear pulley, no matter the middle pulley is positioned at the front side of the middle pulley or at the rear side of the middle pulley, if the pattern-like shoe rack is flatly placed on the ground, the bottom ends of the middle pulley and the front pulley are flush and are in contact with the ground, the bottom ends of the rear pulleys are higher than the ground, and the connecting line of the bottom ends of the three pulleys is straight in front and tilted back to be similar to straight-line skating;

when the front pulleys are positioned at the height of the first front pulleys and the rear pulleys are positioned at the height of the first rear pulleys, no matter the middle pulleys are positioned at the front side of the middle pulleys or at the rear side of the middle pulleys, if the figure roller skate frame is flatly placed on the ground, only the bottom ends of the middle pulleys are contacted with the ground, the bottom ends of the front pulleys and the bottom ends of the rear pulleys are level with each other, the heights of the front pulleys and the bottom ends of the rear pulleys are higher than the ground, and the connecting lines of the bottom ends of the three pulleys have a certain radian and are similar to ice skate shoes;

when the front pulley is located at the height of the second front pulley and the rear pulley is located at the height of the second rear pulley, no matter the middle pulley is located at the front side of the middle pulley or at the rear side of the middle pulley, if the pattern roller skate frame is flatly placed on the ground, the bottom ends of the front pulley, the middle pulley and the rear pulley are flush and contact with the ground, and the connecting lines of the bottom ends of the three pulleys are approximately straight lines and are similar to common roller skating.

In a preferred embodiment: when the front pulley is positioned at the height of the second front pulley, the rear pulley is positioned at the height of the first rear pulley, and the middle pulley is positioned at the front side of the middle pulley, the middle pulley is close to the front pulley; when the front pulley is positioned at the height of the second front pulley, the rear pulley is positioned at the height of the first rear pulley, and the middle pulley is positioned at the rear side of the middle pulley, the distance between the middle pulley and the front pulley is the same as the distance between the middle pulley and the rear pulley;

when the front pulley is positioned at the first front pulley height, the rear pulley is positioned at the first rear pulley height and the middle pulley is positioned at the front side of the middle pulley, the middle pulley is close to the front pulley; when the front pulley is positioned at the height of the first front pulley, the rear pulley is positioned at the height of the first rear pulley and the middle pulley is positioned at the rear side of the middle pulley, the distance between the middle pulley and the front pulley is the same as the distance between the middle pulley and the rear pulley;

when the front pulley is positioned at the height of the second front pulley, the rear pulley is positioned at the height of the second rear pulley, and the middle pulley is positioned at the front side of the middle pulley, the middle pulley is close to the front pulley; when the front pulley is located at the second front pulley height, the rear pulley is located at the second rear pulley height, and the middle pulley is located at the position behind the middle pulley, the distance between the middle pulley and the front pulley and the distance between the middle pulley and the rear pulley are the same.

In a preferred embodiment: the roller skate rack also comprises a front positioning component, and the front pulley is arranged on the rack body through the front positioning component; the front positioning assembly comprises two front gaskets, a front shaft rod and a front fixing piece, the shoe rack body is symmetrically provided with two front mounting holes, each front gasket is provided with a first front adjusting position and a second front adjusting position, each front gasket is provided with a front shaft hole, the front shaft hole is positioned at the first front adjusting position, each front gasket is assembled with the front mounting hole in a one-to-one correspondence mode and can be adjusted at the corresponding front mounting hole, the front pulley is positioned between the two front mounting holes, and the front shaft rod penetrates through one front shaft hole, the front pulley and the other front shaft hole successively and then is fixedly connected with the front fixing piece so as to rotatably connect the front pulley with the shoe rack body; the front gasket can enable the front pulley to be located at the height of the first front pulley when located at the first front adjusting position, and the front gasket can enable the front pulley to be located at the height of the second front pulley when located at the second front adjusting position.

In a preferred embodiment: each front gasket comprises a front boss part, a front gasket part and a front shaft sleeve part which are sequentially connected, the front shaft hole sequentially penetrates through the front boss part, the front gasket part and the front shaft sleeve part, the front mounting hole is a waist-shaped hole which is vertically arranged, the front gasket part is a waist-shaped gasket which is matched with the front mounting hole in shape, the axis of the front shaft hole is superposed with the arc center of one end of the front gasket part, the front boss part abuts against the outer end face of the front mounting hole, the front gasket part is sleeved in the front mounting hole, and the front shaft sleeve part extends out of the inner end face of the front mounting hole; the central axis of the front shaft sleeve part is coincident with the central axis of the front shaft rod.

In a preferred embodiment: the head end of the front shaft lever is provided with a front nut with an inclined inner side surface, the rear end of the front shaft lever is provided with an internal thread, and the front fixing piece is a screw and is provided with an external thread; the front end hole wall of preceding shaft hole is equipped with the preceding spacing face that can with preceding nut looks adaptation, and the front axle pole rear end passes its preceding nut medial surface and leans on in front spacing face department behind one of them preceding shaft hole, preceding pulley and another preceding shaft hole in proper order, and preceding mounting stretches into and cooperates with preceding shaft pole looks spiro union from the preceding shaft hole department of another preceding packing ring.

In a preferred embodiment: the head end of the front shaft lever is provided with a front nut with a plane inner side surface, the rear end of the front shaft lever is provided with an internal thread, and the front fixing piece is a screw and is provided with an external thread; the rear end of the front shaft rod sequentially penetrates through one of the front shaft hole, the front pulley and the other front shaft hole, the inner side face of a front nut abuts against the outer side face of the front boss part, and the front fixing piece extends into the front shaft hole of the other front gasket and is in threaded connection with the front shaft rod.

In a preferred embodiment: the roller skate rack also comprises a rear positioning component, and the rear pulleys are arranged on the skate rack body through the rear positioning component; the rear positioning component comprises two rear gaskets, a rear shaft rod and a rear fixing piece, the shoe rack body is provided with two rear mounting holes, each rear gasket is provided with a first rear adjusting position and a second rear adjusting position, each rear gasket is provided with a rear shaft hole, the rear shaft hole is located at the first rear adjusting position, each rear gasket is assembled with the corresponding rear mounting hole in a one-to-one correspondence manner and can adjust the position at the corresponding rear mounting hole, the rear pulley is located between the two rear mounting holes, and the rear shaft rod penetrates through one rear shaft hole, the rear pulley and the other rear shaft hole successively and then is fixedly connected with the rear fixing piece so as to rotatably connect the rear pulley with the shoe rack body; the rear gasket can enable the rear pulley to be located at the height of the first rear pulley when located at the first rear adjusting position, and the rear gasket can enable the rear pulley to be located at the height of the second rear pulley when located at the second rear adjusting position.

In a preferred embodiment: each rear gasket comprises a rear boss part, a rear gasket part and a rear shaft sleeve part which are sequentially connected, the rear shaft hole sequentially penetrates through the rear boss part, the rear gasket part and the rear shaft sleeve part, the rear mounting hole is a waist-shaped hole which is vertically arranged, the rear gasket part is a waist-shaped gasket which is matched with the rear mounting hole in shape, the axis of the rear shaft hole is superposed with the arc center of one end of the rear gasket part, the rear boss part abuts against the outer end face of the rear mounting hole, the rear gasket part is sleeved in the rear mounting hole, and the rear shaft sleeve part extends out of the inner end face of the rear mounting hole; the central axis of the rear shaft sleeve part is coincident with the central axis of the rear shaft rod.

In a preferred embodiment: the roller skate rack also comprises a middle position adjusting component, and the middle pulley is arranged on the rack body through the middle position adjusting component; the middle positioning component comprises two middle washers, a middle shaft rod and a middle fixing piece, the shoe rack body is provided with two middle mounting holes, each middle washer is provided with a first middle adjusting position and a second middle adjusting position, each middle washer is provided with a middle shaft hole, the middle shaft hole is located at the first middle adjusting position, each middle washer is assembled with the middle mounting hole in a one-to-one correspondence mode and can adjust the position of the middle mounting hole, the middle pulley is located between the two middle mounting holes, and the middle shaft rod penetrates through one middle shaft hole, the middle pulley and the other middle shaft hole successively and then is fixedly connected with the middle fixing piece so as to enable the middle pulley to be rotatably connected with the shoe rack body; the middle washer is located at the first middle adjusting position to enable the middle pulley to be located at the front side of the middle pulley, and the middle washer is located at the second middle adjusting position to enable the middle pulley to be located at the rear side of the middle pulley.

In a preferred embodiment: each middle gasket comprises a middle boss part, a middle gasket part and a middle shaft sleeve part which are connected in sequence, the middle shaft hole sequentially penetrates through the middle boss part, the middle gasket part and the middle shaft sleeve part, the middle mounting hole is a transversely-arranged waist-shaped hole, the middle gasket part is a waist-shaped gasket matched with the middle mounting hole in shape, the axis of the middle front shaft hole is superposed with the arc center of one end of the middle gasket part, the middle boss part abuts against the outer end face of the middle mounting hole, the middle gasket part is sleeved in the middle mounting hole, and the middle shaft sleeve part extends out of the inner end face of the middle mounting hole; the central axis of the middle shaft sleeve part is coincided with the central axis of the middle shaft rod.

In a preferred embodiment: each front gasket comprises a front gasket part, a front boss part and a front shaft sleeve part which are sequentially connected, the front shaft hole sequentially penetrates through the front gasket part, the front boss part and the front shaft sleeve part, the front mounting hole is a waist-shaped hole which is vertically arranged, the front gasket part is a waist-shaped gasket which is matched with the front mounting hole in shape, the axis of the front shaft hole is superposed with the arc center of one end of the front gasket part, the front boss part abuts against the inner end surface of the front mounting hole, the front gasket part is sleeved in the front mounting hole, and the front shaft sleeve part is positioned on the inner side of the front mounting hole; the central axis of the front shaft sleeve part is coincided with the central axis of the front shaft rod; the head end of the front shaft lever is provided with a front nut with a plane inner side face, the rear end of the front shaft lever is provided with an internal thread, and the front fixing piece is a screw and is provided with an external thread; the front nut inner side surface abuts against the outer side surface of one of the front mounting holes, the rear end of the front shaft rod sequentially penetrates through one of the front shaft hole, the front pulley and the other front shaft hole, and the front fixing piece extends into the front shaft hole of the other front gasket and is in threaded connection fit with the front shaft rod.

In a preferred embodiment: each rear gasket comprises a rear gasket part, a rear boss part and a rear shaft sleeve part which are sequentially connected, the rear shaft hole sequentially penetrates through the rear gasket part, the rear boss part and the rear shaft sleeve part, the rear mounting hole is a vertically-arranged waist-shaped hole, the rear gasket part is matched with the rear mounting hole in shape, the axis of the rear shaft hole is coincided with the arc center of one end of the rear gasket part, the rear boss part abuts against the inner end surface of the rear mounting hole, the rear gasket part is sleeved in the rear mounting hole, and the rear shaft sleeve part is positioned on the inner side of the rear mounting hole; the central axis of the rear shaft sleeve part is coincided with the central axis of the rear shaft rod; the head end of the rear shaft lever is provided with a rear nut of which the inner side surface is a plane, the rear end of the rear shaft lever is provided with an internal thread, and the rear fixing piece is a screw and is provided with an external thread; the rear nut inner side surface abuts against the outer side surface of one of the rear mounting holes, the rear end of the rear shaft rod sequentially penetrates through one of the rear shaft holes, the rear pulley and the other rear shaft hole, and the rear fixing piece extends into the rear shaft hole of the other rear gasket and is in threaded connection with the rear shaft rod.

In a preferred embodiment: each middle gasket comprises a middle gasket part, a middle boss part and a middle shaft sleeve part which are connected in sequence, the middle shaft hole sequentially penetrates through the middle gasket part, the middle boss part and the middle shaft sleeve part, the middle mounting hole is a waist-shaped hole which is vertically arranged, the middle gasket part is matched with the middle mounting hole in shape, the axis of the middle shaft hole is superposed with the arc center of one end of the middle gasket part, the middle boss part abuts against the inner end surface of the middle mounting hole, the middle gasket part is sleeved in the middle mounting hole, and the middle shaft sleeve part is positioned on the inner side of the middle mounting hole; the central axis of the middle shaft sleeve part is coincided with the central axis of the middle shaft rod; the head end of the middle shaft rod is provided with a middle nut of which the inner side surface is a plane, the rear end of the middle shaft rod is provided with an internal thread, and the middle fixing piece is a screw and is provided with an external thread; the inner side surface of the middle nut abuts against the outer side surface of one of the middle mounting holes, the rear end of the middle shaft rod sequentially penetrates through one of the middle shaft holes, the middle pulley and the other middle shaft hole, and the middle fixing piece extends into the middle shaft hole of the other middle washer and is in threaded connection with the middle shaft rod.

In a preferred embodiment: the roller skate rack also comprises a middle position adjusting component, and the middle pulley is arranged on the rack body through the middle position adjusting component; the middle positioning assembly comprises two middle gaskets, a middle shaft rod and a middle fixing piece, the shoe rack body is provided with two groups of middle mounting holes which are spaced front and back, each group of middle mounting holes comprises two middle mounting holes which are oppositely arranged left and right, each middle gasket is provided with a middle shaft hole, the two middle gaskets can be assembled with any group of middle mounting holes in a one-to-one correspondence mode, the middle pulleys are positioned among the middle mounting holes, and the middle shaft rod penetrates through one middle shaft hole, the middle pulley and the other middle shaft hole in sequence and then is fixedly connected with the middle fixing piece so as to rotatably connect the middle pulleys with the shoe rack body; and when the middle gasket is assembled with the middle mounting holes in the group positioned on the front side, the middle pulley is positioned on the front side of the middle pulley, and when the middle gasket is assembled with the middle mounting holes in the group positioned on the rear side, the middle pulley is positioned on the rear side of the middle pulley.

The utility model provides a second of the technical scheme that its technical problem adopted:

a flower-shaped roller skate is characterized in that: the flower-shaped wheel-skating shoe rack is applied.

Compared with the background technology, the technical scheme has the following advantages:

1. when the bottom ends of the middle pulleys and the front pulleys are level and are in contact with the ground, and the bottom ends of the rear pulleys are higher than the ground, the state can be suitable for the pattern roller skating of a professional inline roller skate;

when only the bottom end of the middle pulley is in contact with the ground, the bottom end of the front pulley is flush with the bottom end of the rear pulley, and the heights of the two are higher than the ground, the connecting lines of the bottom ends of the three pulleys in the state are in a certain radian, are similar to skates, and can be suitable for the figure roller skating of a professional skates skater;

when the bottom ends of the front pulley, the middle pulley and the rear pulley are all level and are in contact with the ground, the state stability is good, and the pulley is suitable for beginners or common roller skating enthusiasts;

therefore, the figure wheel shoe rack is suitable for a wide range of people, and the positions of the three pulleys can be adjusted to adapt to different requirements.

2. No matter where the front pulley and the rear pulley are located, when the middle pulley is located at the front side of the middle pulley, the middle pulley is close to the front pulley, when the middle pulley is located at the rear side of the middle pulley, the distance between the middle pulley and the front pulley is the same as the distance between the middle pulley and the rear pulley, the selection can be carried out according to the requirements of users, and the selectivity is high.

3. The front positioning component passes through one of the front mounting holes, the front pulley and the other front mounting hole successively through the front shaft rod and then is fixedly connected with the front fixing piece, so that the front pulley is rotatably connected with the shoe rack body, and the front pulley can be connected more firmly and has better balance effect through the matching of the two front gaskets with the two front mounting holes.

4. The front mounting hole is a waist-shaped hole which is vertically arranged, the front gasket part is a waist-shaped gasket which is matched with the front mounting hole in shape, and the axis of the front shaft hole is superposed with the arc center of one end of the front gasket part, so that the front gasket has a first front adjusting position and a second front adjusting position. And the front boss part abuts against the outer end face of the front mounting hole, the front gasket part is sleeved in the front mounting hole, and the front shaft sleeve part extends out of the inner end face of the front mounting hole, so that only the front gasket part bears the pressure applied by the shoe rack body, the front shaft sleeve does not need to bear the pressure applied by the shoe rack body, and the front shaft rod can be prevented from bearing larger pressure while the stress strength is ensured. The central axis of the front shaft sleeve part coincides with the central axis of the front shaft rod, so that the shearing force brought to the front shaft rod when the axis of the front shaft sleeve is inconsistent with the axis of the front shaft rod can be avoided, the front shaft rod is easy to break, and the service life of the front shaft rod can be prolonged.

5. Preceding axostylus axostyle rear end passes its preceding nut medial surface and leans on to spacing face department in the front behind one of them front axle hole, preceding pulley and another front axle hole in proper order, and preceding mounting stretches into and cooperates with preceding axostylus axostyle looks spiro union from the preceding axle hole department of another preceding packing ring for the locking effect of taking off between preceding axostylus axostyle and the preceding mounting is better under the detachable prerequisite between assurance preceding axostylus axostyle and the preceding mounting. Or, the plane is personally submitted to preceding nut inboard, and its preceding nut medial surface leans on to boss portion lateral surface before after preceding axostylus axostyle rear end passes one of them preceding shaft hole, preceding pulley and another preceding shaft hole in proper order, and preceding mounting stretches into and cooperates with preceding axostylus axostyle looks spiro union from the preceding shaft hole of another preceding packing ring, and preceding axostylus axostyle can be with the thinner of the thickness design of preceding packing ring under the prerequisite that satisfies intensity with this kind of mounting of preceding axostylus axostyle.

6. The plane is personally submitted to the preceding nut inboard, and its preceding nut medial surface is leaned on and is supported in boss portion lateral surface before after preceding axostylus axostyle rear end passes one of them preceding shaft hole, preceding pulley and another preceding shaft hole in proper order, and preceding mounting stretches into and cooperates with preceding axostylus axostyle looks spiro union from the preceding shaft hole of another preceding packing ring, and preceding axostylus axostyle can be with the thinner of the thickness design of preceding packing ring under the prerequisite that satisfies intensity with this kind of assembly mode of preceding mounting.

7. The rear positioning component passes through one of the rear mounting holes, the rear pulley and the other rear mounting hole successively through the rear shaft rod and then is fixedly connected with the rear fixing piece, so that the rear pulley is rotatably connected with the shoe rack body, and the front pulley can be connected more firmly and has better balance effect through the matching of the two rear gaskets with the two rear mounting holes respectively.

8. The back mounting hole is the waist type hole of vertical arrangement, back gasket portion is the waist type packing ring with back mounting hole shape looks adaptation, and the axle center in back shaft hole coincides with the one end circular arc center of back gasket portion for this back packing ring has adjusting position behind first back adjusting position and the second. And, back boss portion leans on to lean on outer terminal surface, the back packing ring portion cover of back mounting hole to put in the mounting hole, back axle sleeve portion stretches out the interior terminal surface of back mounting hole for only back packing ring portion bears the pressure that the shoes support body was applyed, and the back axle sleeve need not to bear the pressure that the shoes support body was applyed, can avoid the back axostylus axostyle to receive great pressure when guaranteeing the atress intensity. The central axis of the rear shaft sleeve part coincides with the central axis of the rear shaft rod, so that the shearing force brought to the rear shaft rod when the axis of the rear shaft sleeve is inconsistent with the axis of the rear shaft rod can be avoided, the rear shaft rod is easy to break, and the service life of the rear shaft rod can be prolonged.

9. The middle positioning component passes through one of the middle mounting holes, the middle pulley and the other middle mounting hole successively through the middle shaft rod and then is fixedly connected with the middle fixing piece, so that the middle pulley is rotatably connected with the shoe rack body, and the middle pulley can be connected more firmly and has better balance effect through the matching of the two middle gaskets and the two middle mounting holes.

10. The middle mounting hole is a waist-shaped hole which is transversely arranged, the middle gasket part is a waist-shaped gasket which is matched with the middle mounting hole in shape, and the axis of the middle shaft hole is superposed with the arc center of one end of the middle gasket part, so that the middle gasket has a first middle adjusting position and a second middle adjusting position. And the middle boss part abuts against the outer end face of the middle mounting hole, the middle gasket part is sleeved in the middle mounting hole, and the middle shaft sleeve part extends out of the inner end face of the middle mounting hole, so that only the middle gasket part bears the pressure applied by the shoe rack body, the middle shaft sleeve does not need to bear the pressure applied by the shoe rack body, and the middle shaft rod can be prevented from bearing larger pressure while the stress strength is ensured. The central axis of the middle shaft sleeve part coincides with the central axis of the middle shaft rod, so that the shearing force brought to the middle shaft rod when the central shaft sleeve axis is inconsistent with the central shaft rod axis can be avoided, the central shaft rod is easy to break, and the service life of the middle shaft rod can be prolonged.

11. The shoe rack body is provided with two groups of middle mounting holes, the middle pulley is positioned at the front side of the middle pulley when the middle gasket is assembled with one group of middle mounting holes positioned at the front side, and the middle pulley is positioned at the rear side of the middle pulley when the middle gasket is assembled with one group of middle mounting holes positioned at the rear side. At the moment, the middle washer can adopt a common washer structure, namely, the middle shaft hole and the middle washer are concentrically arranged, the universality is stronger, the structure of the middle positioning component can be suitable for a shoe rack body with a larger size, and the distance between the mounting holes in two groups is preferably larger than or equal to 8 mm.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic overall view of a flower-like roller skate frame according to a preferred embodiment.

Fig. 2 is an exploded perspective view of a flower-like roller skate frame according to a preferred embodiment.

FIG. 3 illustrates a perspective view of a preferred embodiment of the frame body.

FIG. 4 is a perspective view of a middle washer according to a preferred embodiment.

Fig. 5 is a second perspective view of the middle washer according to the preferred embodiment.

FIG. 6 is a perspective view of the front washer according to the preferred embodiment.

Fig. 7 is a second perspective view of the front gasket according to the preferred embodiment.

Figure 8 shows one of the cross-sectional views of a preferred embodiment of the figure skate frame with the front screw nut inside surface of the front axle being an inclined surface.

Figure 9 shows a second cross-sectional view of a figure skate frame of a preferred embodiment.

Figure 10 illustrates a cross-sectional view of yet another preferred embodiment of a figure skate frame with the front nut inside surface of the front axle being planar.

Fig. 11 is a schematic view showing a state where the front pulley is located at the second front pulley height, the rear pulley is located at the first rear pulley height, and the middle pulley is located at the front side of the middle pulley.

Fig. 12 is a schematic view showing a state where the front pulley is located at the second front pulley height, the rear pulley is located at the first rear pulley height, and the middle pulley is located at the rear side of the middle pulley.

Fig. 13 is a schematic view showing a state where the front pulley is located at a first front pulley height, the rear pulley is located at a first rear pulley height, and the middle pulley is located at a position forward of the middle pulley.

Fig. 14 is a schematic view showing a state where the front pulley is located at the first front pulley height, the rear pulley is located at the first rear pulley height, and the middle pulley is located at the rear side of the middle pulley.

Fig. 15 is a schematic view showing a state where the front pulley is located at a second front pulley height, the rear pulley is located at a second rear pulley height, and the middle pulley is located at a position forward of the middle pulley.

Fig. 16 is a schematic view showing a state where the front pulley is located at a second front pulley height, the rear pulley is located at a second rear pulley height, and the middle pulley is located at a position rearward of the middle pulley.

Fig. 17 is a schematic view of a flower-like skate frame according to another preferred embodiment.

FIG. 18A is a schematic view of a front gasket according to another preferred embodiment.

Fig. 18B is a second schematic structural view of a front gasket according to another preferred embodiment.

FIG. 19A is a schematic view of a middle washer according to another preferred embodiment.

FIG. 19B is a second schematic view of a middle washer according to another preferred embodiment.

Fig. 20 is an exploded perspective view of a flower-like skate frame according to another preferred embodiment.

Fig. 21 is a schematic cross-sectional view of a flower-like skate frame according to another preferred embodiment.

Fig. 22 is an exploded perspective view of a flower-like skate frame according to still another preferred embodiment.

Detailed Description

In the claims, the description and the drawings of the present application, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used to distinguish between different objects and are not used to describe a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "central", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like, with respect to the directional terms, indicate directions or positional relationships based on the directions and positional relationships shown in the drawings, and are only for convenience of description of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" and "fixedly connected" should be understood in a broad sense, i.e., any connection without displacement relationship or relative rotation relationship between the two, i.e., including non-detachable fixed connection, integrated connection and fixed connection by other devices or elements.

In the claims, the specification and drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.

Referring to fig. 1 to 22, a flower-like roller skate frame includes a frame body 100 and three rollers, namely a front roller 200, a middle roller 300 and a rear roller 400, all mounted on the frame body 100, wherein the front roller 200 is adjustable between a first front roller height position and a second front roller height position, the rear roller 400 is adjustable between a first rear roller height position and a second rear roller height position, and the middle roller 300 is adjustable between a middle roller front position and a middle roller rear position.

When the front pulley 200 is located at the second front pulley height and the rear pulley 400 is located at the first rear pulley height, no matter the middle pulley 300 is located at the position of the front side of the middle pulley or at the position of the rear side of the middle pulley, if the figure-wheel shoe sliding rack is flatly placed on the ground, the bottom end of the middle pulley 300 is flush with the bottom end of the front pulley 200 and is in contact with the ground, and the bottom end of the rear pulley 400 is higher than the ground; the connecting lines at the bottom ends of the three pulleys are straight in front and tilted in back, are similar to straight-row roller skates and can be suitable for pattern roller skates of professional straight-row roller skates;

when the front pulley 200 is located at the first front pulley height and the rear pulley is located at the first rear pulley height, no matter the middle pulley 300 is located at the position of the front side of the middle pulley or at the position of the rear side of the middle pulley, if the figure wheel shoe rack is flatly placed on the ground, only the bottom end of the middle pulley 300 is in contact with the ground, the bottom end of the front pulley 200 is flush with the bottom end of the rear pulley 400, and the heights of the front pulley 200 and the rear pulley 400 are higher than the ground; the connecting lines of the bottom ends of the three pulleys are in a certain radian, are similar to skates, and can be suitable for figure roller skating of professional skates skaters;

when the front pulley 200 is located at the second front pulley height and the rear pulley is located at the second rear pulley height, no matter the middle pulley 300 is located at the front side of the middle pulley or at the rear side of the middle pulley, if the figure-wheel shoe-sliding rack is placed on the ground, the bottom ends of the front pulley 200, the middle pulley 300 and the rear pulley 400 are all flush and contact with the ground; the connecting lines of the bottom ends of the three pulleys are approximately straight lines, are similar to common roller skating, and can be suitable for beginners or common roller skating enthusiasts to use.

In this embodiment, when the front pulley 200 is located at the second front pulley height, the rear pulley 400 is located at the first rear pulley height, and the middle pulley 300 is located at the position on the front side of the middle pulley, the middle pulley 300 is close to the front pulley 200; when the front pulley 200 is located at the second front pulley height, the rear pulley 400 is located at the first rear pulley height, and the middle pulley 300 is located at a position rearward of the middle pulley, the interval between the middle pulley 300 and the front pulley 200 and the interval between the middle pulley 300 and the rear pulley 400 are the same; when the front pulley 200 is located at the first front pulley height, the rear pulley 400 is located at the first rear pulley height, and the middle pulley 300 is located at a position forward of the middle pulley, the middle pulley 300 approaches the front pulley 200; when the front pulley 200 is located at the first front pulley height, the rear pulley 400 is located at the first rear pulley height, and the middle pulley 300 is located at a position rearward of the middle pulley, the interval between the middle pulley 300 and the front pulley 200 and the interval between the middle pulley 300 and the rear pulley 400 are the same; when the front pulley 200 is located at the second front pulley height, the rear pulley 400 is located at the second rear pulley height, and the middle pulley 300 is located at a position forward of the middle pulley, the middle pulley 300 approaches the front pulley; when the front pulley 200 is located at the second front pulley height, the rear pulley 400 is located at the second rear pulley height, and the middle pulley 300 is located at the rear side of the middle pulley, the interval between the middle pulley 300 and the front pulley 200 and the interval between the middle pulley 300 and the rear pulley 400 are the same.

Thus, it can be seen that, no matter where the front pulley 200 and the rear pulley 400 are located, the middle pulley 300 is close to the front pulley 200 when the middle pulley 300 is located at the position in front of the middle pulley, and the distance between the middle pulley 300 and the front pulley 200 and the distance between the middle pulley 300 and the rear pulley 400 are the same when the middle pulley 300 is located at the position in rear of the middle pulley, which can be selected according to the user's needs and is highly selective.

Embodiment 1, please refer to fig. 1 to 9, a flower-like roller skate rack comprises a rack body 100, a front pulley 200, a middle pulley 300 and a rear pulley 400 mounted on the rack body 100, and further comprises a front positioning assembly 500, a rear positioning assembly 600, a middle positioning assembly 700 and a brake 800.

In this embodiment, the brake member 800 is mounted on the frame body 100 at the front side of the front roller 200.

In this embodiment, the front pulley 200 is mounted on the frame body 100 through a front positioning assembly; the front positioning assembly comprises two front washers 510, a front shaft rod 520 and a front fixing piece 530, the shoe rack body 100 is symmetrically provided with two front mounting holes 110, each front washer 510 is provided with a first front adjusting position and a second front adjusting position, each front washer 510 is provided with a front shaft hole 511, the front shaft hole 511 is located at the first front adjusting position, each front washer 510 is assembled with the front mounting hole 110 in a one-to-one correspondence manner and can adjust the position at the corresponding front mounting hole 110, the front pulley 200 is located between the two front mounting holes 110, and the front shaft rod 520 passes through one front shaft hole 511, the front pulley 200 and the other front shaft hole 511 in sequence and then is fixedly connected with the front fixing piece 530 so as to rotatably connect the front pulley 200 with the shoe rack body 100; the front washer 510 is positioned at a first front pulley height to position the front pulley 200 when in the first front adjustment position and the front washer 510 is positioned at a second front pulley height to position the front pulley 200 when in the second front adjustment position.

In this embodiment, as shown in fig. 6 and 7, each front gasket 510 includes a front boss portion 512, a front gasket portion 513 and a front boss portion 514 connected in sequence, and the front axle hole 511 sequentially penetrates through the front boss portion 512, the front gasket portion 513 and the front boss portion 514; as shown in fig. 3, the front mounting hole 110 is a vertically arranged kidney-shaped hole; then, the front washer portion 513 is a waist-shaped washer having a shape adapted to the front mounting hole 110, and the axis of the front axle hole 511 coincides with the center of an arc at one end of the front washer portion 513, the front boss portion 512 abuts against the outer end surface of the front mounting hole 110, the front washer portion 513 is sleeved in the front mounting hole 110, and the front axle sleeve portion 514 extends out of the inner end surface of the front mounting hole 110. Preferably, the front gasket 510 is of an integrally formed structure; moreover, a front arrow mark 515 is further disposed on the outer side surface of the front boss portion 512, the front arrow mark 515 is spaced from the front shaft hole 511 up and down, as shown in fig. 13, when the front arrow mark 515 is located below, the front washer 510 is located at the first adjusting position, that is, the front pulley 200 is located at the first front pulley height, and at this time, the bottom end portion of the front pulley 200 is higher than the ground; in the actual manufacturing process, the bottom end of the front pulley 200 is preferably 2.0-3.5 mm higher than the ground, and more preferably 3 mm higher than the ground, which is not limited to this. As shown in fig. 15, when the front arrow mark 515 is located at the upper side, the front washer 510 is located at the second adjustment position, that is, the front pulley 200 is located at the second front pulley height, and at this time, the bottom end portion of the front pulley 200 is in contact with the ground.

In this embodiment, the central axis of the front sleeve portion 514 coincides with the central axis of the front axle 520. The central axis of the front shaft sleeve 514 coincides with the central axis of the front shaft rod 520, so that the shearing force brought to the front shaft rod 520 when the axis of the front shaft sleeve 514 is inconsistent with the axis of the front shaft rod 520 can be avoided, the front shaft rod 520 is easy to break, and the service life of the front shaft rod 520 can be prolonged.

As shown in fig. 2, the front shaft 520 has a front nut 521 at the head end thereof, the inner side of which is inclined, an internal thread at the rear end of the front shaft 520, and a front fixing member 530 which is a screw and has an external thread; the front end hole wall of the front shaft hole 511 is provided with a front limiting surface 516 which can be matched with the front nut 521, the rear end of the front shaft rod sequentially passes through one of the front shaft hole 511, the front pulley 200 and the other front shaft hole 511, the inner side surface of the front nut 521 abuts against the front limiting surface 516, and the front fixing piece 530 extends into the front shaft hole 511 of the other front washer 510 and is in threaded fit with the front shaft rod 520. The assembly mode of preceding axostylus axostyle and preceding mounting enables between the two locking pine of taking off when guaranteeing that the two can dismantle the connection.

In this embodiment, the rear pulley 400 is mounted on the frame body 100 through a rear positioning assembly.

The rear positioning assembly comprises two rear washers 610, a rear shaft rod 620 and a rear fixing piece 630, the shoe rack body 100 is provided with two rear mounting holes 120, each rear washer 610 is provided with a first rear adjusting position and a second rear adjusting position, each rear washer 610 is provided with a rear shaft hole 611, the rear shaft hole 611 is located at the first rear adjusting position, each rear washer 610 is assembled with the rear mounting hole 120 in a one-to-one correspondence manner and can adjust the position at the corresponding rear mounting hole 120, the rear pulley 400 is located between the two rear mounting holes 120, and the rear shaft rod 620 passes through one rear shaft hole 611, the rear pulley 400 and the other rear shaft hole 611 in sequence and is fixedly connected with the rear fixing piece 630 so as to rotatably connect the rear pulley 400 with the shoe rack body 100; the rear washer 610 in the first rear adjustment position may position the rear pulley 400 at a first rear pulley height, and the rear washer 610 in the second rear adjustment position may position the rear pulley 400 at a second rear pulley height.

In this embodiment, each rear gasket 610 includes a rear boss portion 612, a rear gasket portion 613, and a rear axle sleeve portion 614 that are connected in sequence, the rear axle hole 611 sequentially penetrates through the rear boss portion 612, the rear gasket portion 613, and the rear axle sleeve portion 614, the rear mounting hole 120 is a vertically arranged kidney-shaped hole, the rear gasket portion 613 is a kidney-shaped gasket that is adapted to the shape of the rear mounting hole 120, an axle center of the rear axle hole 611 coincides with an arc center of one end of the rear gasket portion 613, the rear boss portion 612 abuts against an outer end surface of the rear mounting hole 120, the rear gasket portion 613 is sleeved in the rear mounting hole 120, and the rear axle sleeve portion 614 extends out of an inner end surface of the rear mounting hole 120.

In this embodiment, the central axis of the rear sleeve portion 614 coincides with the central axis of the rear axle 620.

In this embodiment, the head end of the rear shaft 620 is provided with a rear nut 621 having an inclined inner surface, the rear end of the rear shaft 620 is provided with an internal thread, and the rear fixing member 630 is a screw and is provided with an external thread; the hole wall of the front end of the rear shaft hole 611 is provided with a rear limiting surface which can be matched with the rear screw cap 621, the rear end of the rear shaft rod 620 sequentially passes through one of the rear shaft hole 611, the rear pulley 400 and the other rear shaft hole 611, the inner side surface of the rear screw cap 621 abuts against the rear limiting surface, and the rear fixing piece 630 extends into the rear shaft hole 611 of the other rear gasket 610 and is in threaded fit with the rear shaft rod 620. Namely, the assembly structure of the rear positioning component is completely the same as that of the front positioning component, so that the purpose of loosening prevention can be achieved.

In this embodiment, the roller skate frame further includes a middle positioning assembly, and the middle roller 300 is mounted on the skate frame body 100 through the middle positioning assembly.

The middle positioning assembly comprises two middle washers 710, a middle shaft rod 720 and a middle fixing piece 730, the shoe rack body 100 is provided with two middle mounting holes 130, each middle washer 710 is provided with a first middle adjusting position and a second middle adjusting position, each middle washer 710 is provided with a middle shaft hole 711, the middle shaft hole 711 is positioned at the first middle adjusting position, each middle washer 710 is assembled with the middle mounting hole 130 in a one-to-one correspondence manner and can adjust the position at the corresponding middle mounting hole 130, the middle pulley 300 is positioned between the two middle mounting holes 130, and the middle shaft rod 720 passes through one middle shaft hole 711, the middle pulley 300 and the other middle shaft hole 711 in sequence and then is fixedly connected with the middle fixing piece 730 to rotatably connect the middle pulley 300 with the shoe rack body 100; the middle washer 710 is located at a first middle adjustment position to position the middle pulley 300 at the front side of the middle pulley, and the middle washer 710 is located at a second middle adjustment position to position the middle pulley 300 at the rear side of the middle pulley.

In this embodiment, each middle washer 710 includes a middle boss portion 712, a middle washer portion 713 and a middle axle sleeve portion 714 connected in sequence, and the middle axle hole 711 sequentially penetrates through the middle boss portion 712, the middle washer portion 713 and the middle axle sleeve portion 714; the middle mounting hole 130 is a horizontally arranged waist-shaped hole, the middle washer portion 713 is a waist-shaped washer having a shape matched with that of the middle mounting hole 130, the axis of the middle shaft hole 711 coincides with the center of an arc at one end of the middle washer portion 710, the middle boss portion 712 abuts against the outer end face of the middle mounting hole 130, the middle washer portion 713 is sleeved in the middle mounting hole 130, and the middle sleeve portion 714 extends out of the inner end face of the middle mounting hole 130.

In this embodiment, the central axis of the middle axle sleeve portion 714 coincides with the central axis of the middle axle rod 720.

As shown in fig. 2, a middle nut 721 with an inclined inner surface is disposed at the head end of the middle shaft rod 720, an inner thread is disposed at the rear end of the middle shaft rod 720, and the middle fixing member 730 is a screw and is provided with an outer thread; the front end hole wall of the middle shaft hole 711 is provided with a middle limiting surface which can be matched with the middle screw cap 721, the rear end of the middle shaft rod sequentially passes through one middle shaft hole 711, the middle pulley 300 and the other middle shaft hole 711, the inner side surface of the middle screw cap 721 is abutted against the middle limiting surface, and the middle fixing piece 730 extends into the middle shaft hole 711 of the other middle gasket 710 and is in threaded fit with the middle shaft rod 720. The assembly mode of well axostylus axostyle and well mounting enables the locking pine between the two when guaranteeing that the two can dismantle the connection.

As shown in fig. 2, the assembly structure of the middle shaft rod 720, the middle fixing member 730 and the middle washer 710 is the same as that of the front positioning assembly, except that the middle mounting hole 130 is a horizontally arranged kidney-shaped hole, and the front mounting hole 110 and the rear mounting hole 120 are vertically arranged kidney-shaped holes; correspondingly, as shown in fig. 5, the mid-cushion portion 712 also has a transversely disposed waist shape. The outer side surface of the central boss 712 is further provided with a central arrow mark 715, and the central arrow mark 715 and the central axis hole 711 are arranged at a left-right interval. As shown in fig. 11, when the arrow mark 715 is located at the left side and the center shaft hole 711 is located at the right side, the center washer 710 is located at the first center adjusting position and the center pulley 300 is located at the front side of the center pulley; when the position of the middle pulley 300 needs to be adjusted, only the middle washer 710 needs to be reversed, the middle arrow mark 715 is adjusted to the right side, the middle shaft hole 711 is adjusted to the left side, as shown in fig. 12, the middle washer 710 is clamped into the middle mounting hole 130, and then the middle shaft lever 720 and the middle fixing member 730 are mounted.

Embodiment 2, please refer to fig. 10, a flower-like roller skate rack, which is different from embodiment 1 in that: the inner side of the front nut 521 is a plane, and the front end of the corresponding front axle hole 511 is a straight hole. The inner side of the front nut 521 can directly abut against the outer side of the front boss 512, and the thickness of the front washer 510 can be designed to be thinner while satisfying the strength.

The inner side of the back nut 621 may also be disposed as a plane, and the inner side of the back nut 621 may directly abut against the outer side of the back boss portion 612, so that the thickness of the back gasket 610 may be designed to be thinner while satisfying the strength.

If necessary, the inner side of the middle nut 721 can also be arranged to be a plane, and the inner side of the middle nut 721 can directly abut against the outer side of the middle boss 712, so that the thickness of the middle washer can be designed to be thinner under the premise of meeting the requirement of strength.

Referring to fig. 11 to 16, the specific adjustment states of the figure skate frame of the present invention are:

for convenience, if the position relationship between the bottom end of the front pulley 200 and the ground is denoted by C, the position relationship between the bottom end of the middle pulley 300 and the ground is denoted by B, and the position relationship between the bottom end of the rear pulley 400 and the ground is denoted by a, then:

as shown in fig. 11, when the front pulley 200 is located at the second front pulley height, the middle pulley 300 is located at the front side of the middle pulley, and the rear pulley 400 is located at the first rear pulley height, the bottom end of the front pulley 200 at C contacts with the ground, the bottom end of the middle pulley 300 at B contacts with the ground, and the distance between the bottom end of the rear pulley 400 at a and the ground is 2.0-3.5 mm, preferably 3 mm; and the middle pulley 300 is close to the front pulley 200, i.e. the distance between the middle pulley 300 and the front pulley 200 is smaller than the distance between the middle pulley 300 and the rear pulley 400;

as shown in fig. 12, when the front pulley 200 is located at the second front pulley height, the middle pulley 300 is located at the rear side of the middle pulley, and the rear pulley 400 is located at the first rear pulley height, the bottom end of the front pulley 200 at C is in contact with the ground; the bottom end of the middle pulley 300 at position B contacts with the ground, and the distance between the bottom end of the rear pulley 400 at position A and the ground is 2.0-3.5 mm, preferably 3 mm; and the space between the middle pulley 300 and the front pulley 200 is equal to the space between the middle pulley 300 and the rear pulley 400;

the two states shown in fig. 11 and 12 are more suitable for the style skating of professional inline skaters, and the players can select the style skating according to their own needs.

As shown in fig. 13, when the front pulley 200 is located at the first front pulley height, the middle pulley 300 is located at the front side of the middle pulley, and the rear pulley 400 is located at the first rear pulley height, the distance between the bottom end of the front pulley 200 at C and the ground is 2.0-3.5 mm, preferably 3 mm; the bottom end of the middle pulley 300 at position B contacts with the ground, and the distance between the bottom end of the rear pulley 400 at position A and the ground is 2.0-3.5 mm, preferably 3 mm; and the middle pulley 300 is close to the front pulley 200;

as shown in fig. 14, when the front pulley 200 is at the first front pulley height, the middle pulley 300 is at the rear side of the middle pulley, and the rear pulley 400 is at the first rear pulley height, the distance between the bottom end of the front pulley 200 at C and the ground is 2.0-3.5 mm, preferably 3 mm; the bottom end of the middle pulley 300 at the position B is contacted with the ground, and the distance between the bottom end of the rear pulley 400 at the position A and the ground is 2.0-3.5 mm, preferably 3 mm; and the interval between the middle pulley 300 and the front pulley 200 is equal to the interval between the middle pulley 300 and the rear pulley 400;

the two states as shown in fig. 13 and fig. 14 are more suitable for the figure roller skating of professional ice skate skaters, and the skaters can select according to the needs of the skaters.

As shown in fig. 15, when the front pulley 200 is located at the second front pulley height, the middle pulley 300 is located at the position forward of the middle pulley, and the rear pulley 400 is located at the second rear pulley height, the bottom end of the front pulley 200 at C contacts with the ground, the bottom end of the middle pulley 300 at B contacts with the ground, the bottom end of the rear pulley 400 at a contacts with the ground, and the middle pulley 300 is close to the front pulley 200;

as shown in fig. 16, when the front pulley 200 is located at the second front pulley height, the middle pulley 300 is located at the position behind the middle pulley, and the rear pulley 400 is located at the second rear pulley height, the bottom end of the front pulley 200 at C contacts with the ground, the bottom end of the middle pulley 300 at B contacts with the ground, the bottom end of the rear pulley 400 at a contacts with the ground, and the distance between the middle pulley 300 and the front pulley 200 is equal to the distance between the middle pulley 300 and the rear pulley 400;

the two states as shown in fig. 15 and fig. 16 are more suitable for beginners or general roller coasters, wherein the state of fig. 16 is more stable.

Embodiment 3, please refer to fig. 17 to 21, a flower-like roller skate rack, the difference between the embodiment and embodiment 1 is: the front positioning component 500, the rear positioning component 600 and the middle positioning component 700 have different assembling structures. Is embedded: the gasket extends outwards from the inner side of the shoe rack body 100.

Specifically, the method comprises the following steps:

in this embodiment, each front gasket 510 includes a front gasket portion 517, a front boss portion 518, and a front bushing portion 519 connected in sequence, the front axle hole 511 sequentially penetrates through the front gasket portion 517, the front boss portion 518, and the front bushing portion 519, the front mounting hole 110 is a waist-shaped hole arranged vertically, the front gasket portion 517 is a waist-shaped gasket adapted to the shape of the front mounting hole 110, an axle center of the front axle hole 511 coincides with an arc center of one end of the front gasket portion 517, the front boss portion 518 abuts against an inner end surface of the front mounting hole 110, the front gasket portion 517 is sleeved in the front mounting hole 110, and the front bushing portion 519 is located inside the front mounting hole 110; the central axis of the front bushing portion 519 coincides with the central axis of the front axle 520; the head end of the front shaft rod 520 is provided with a front nut 521 the inner side surface of which is a plane, the rear end of the front shaft rod 520 is provided with an internal thread, and the front fixing piece 530 is a screw and is provided with an external thread; the inner side of the front nut 521 abuts against the outer side of one of the front mounting holes 110, the rear end of the front axle 520 passes through one of the front axle holes 511, the front pulley 200 and the other front axle hole 511 in sequence, and the front fixing member 530 extends from the front axle hole 511 of the other front washer 510 and is in threaded engagement with the front axle 520.

In this embodiment, each rear gasket 610 includes a rear gasket portion 617, a rear boss portion 618 and a rear axle sleeve portion 619 which are connected in sequence, the rear axle hole 611 sequentially penetrates through the rear gasket portion 617, the rear boss portion 618 and the rear axle sleeve portion 619, the rear mounting hole 120 is a vertically arranged kidney-shaped hole, the rear gasket portion 617 is matched with the rear mounting hole 120 in shape, the axle center of the rear axle hole 611 coincides with the arc center of one end of the rear gasket portion 617, the rear boss portion 618 abuts against the inner end face of the rear mounting hole 120, the rear gasket portion 617 is sleeved in the rear mounting hole 120, and the rear axle sleeve portion 619 is located inside the rear mounting hole 120; the central axis of the rear sleeve 619 coincides with the central axis of the rear axle 620; a rear nut with a plane inner side surface is arranged at the head end of the rear shaft rod 620, an internal thread is arranged at the rear end of the rear shaft rod 620, and the rear fixing piece 630 is a screw and is provided with an external thread; the inner side surface of the rear nut abuts against the outer side surface of one of the rear mounting holes 120, the rear end of the rear axle rod 620 sequentially passes through one of the rear axle holes 611, the rear pulley 400 and the other rear axle hole 611, and the rear fixing member 630 extends into the rear axle hole 611 of the other rear washer 610 and is in threaded fit with the rear axle rod 620.

In this embodiment, each middle washer 710 includes a middle washer portion 717, a middle boss portion 718, and a middle bushing portion 719, which are connected in sequence, the middle shaft hole 711 sequentially penetrates through the middle washer portion 717, the middle boss portion 718, and the middle bushing portion 719, the middle mounting hole 130 is a vertically arranged waist-shaped hole, the middle washer portion 171 is a waist-shaped washer adapted to the shape of the middle mounting hole 130, an axis of the middle shaft hole 711 coincides with a center of an arc at one end of the middle washer portion 717, the middle boss portion 718 abuts against an inner end surface of the middle mounting hole 130, the middle washer portion 717 is sleeved in the middle mounting hole 130, and the middle bushing portion 719 is located inside the middle mounting hole 130; the central axis of the middle shaft sleeve part 719 coincides with the central axis of the middle shaft rod 720; the head end of the middle shaft lever 720 is provided with a middle nut with a plane inner side surface, the rear end of the middle shaft lever 720 is provided with an internal thread, and the middle fixing piece 730 is a screw and is provided with an external thread; the inner side face of the middle nut abuts against the outer side face of one of the middle mounting holes 130, the rear end of the middle shaft rod 720 sequentially penetrates through one of the middle shaft holes 711, the middle pulley 300 and the other middle shaft hole 711, and the middle fixing piece 730 extends into the middle shaft hole 711 of the other middle washer 710 and is in threaded connection with the middle shaft rod 720.

Please refer to fig. 22, which shows another preferred embodiment of the flower-like roller skate frame. The difference between this embodiment and the previous embodiment is only the structure of the middle positioning component.

In this embodiment, the middle positioning assembly includes two middle washers 710, a middle shaft 720 and a middle fixing member 730, the shoe rack body is provided with two sets of middle mounting holes 131 and 132 spaced front and back, each set of middle mounting holes 131 and 132 includes two middle mounting holes arranged left and right oppositely, each middle washer 710 is provided with a middle shaft hole 711, the two middle washers 710 can be assembled with any set of middle mounting holes 131 and 132 in a one-to-one correspondence manner, the middle pulley is located between the set of middle mounting holes, and the middle shaft 720 passes through one middle shaft hole 711, the middle pulley 300 and the other middle shaft hole 711 in sequence and then is fixedly connected with the middle fixing member 730 to rotatably connect the middle pulley 300 with the shoe rack body 100; and, the middle washer 710 is located at a position of the front side of the middle pulley 300 when being assembled with the middle mounting hole 132 located at the front side, and the middle washer 710 is located at a position of the rear side of the middle pulley 300 when being assembled with the middle mounting hole 131 located at the rear side.

As shown in fig. 22, the center mounting holes 131, 132 are generally circular holes. The middle washer 710 comprises a middle washer portion 717, a middle boss portion 718 and a middle shaft sleeve portion 719 which are connected in sequence, a middle shaft hole 711 penetrates through the middle washer portion 717, the middle boss portion 718 and the middle shaft sleeve portion 719 in sequence, and the shaft center of the middle shaft hole 711 coincides with the center of the middle washer portion 717, the center of the middle boss portion 718 and the center of the middle shaft sleeve portion 719. That is, the central shaft hole 711 and the central washer 710 are concentrically arranged, so that the assembly has better compatibility, and the structure of the central positioning assembly can be suitable for the shoe frame body with larger size, and the distance between the mounting holes 131 and 132 in the two groups is preferably greater than or equal to 8 mm.

A flower-shaped roller skate shoe rack is applied to the flower-shaped roller skate shoe rack.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The utility model provides a flower appearance skidding shoe rack which characterized in that: it includes the shoe rack body, installs three pulley on the shoe rack body, and three pulley is preceding pulley, well pulley and back pulley respectively, and preceding pulley has the position of the first preceding pulley height of selectable and the position of the second preceding pulley height, and back pulley has the position of the pulley height behind the first back pulley height of selectable and the second, and well pulley has the position of the pulley front side in the selection and the position of well pulley rear side, wherein:

the front pulley and the rear pulley are respectively positioned at the height position of the second front pulley and the height position of the first rear pulley, no matter the middle pulley is positioned at the front side position or the rear side position of the middle pulley, if the pattern roller skate frame is flatly placed on the ground, the bottom end part of the middle pulley is flush with the bottom end part of the front pulley and is contacted with the ground, the bottom end part of the rear pulley is higher than the ground, and the connecting line of the bottom end parts of the three pulleys is straight in front and tilted back, so that the pattern roller skate frame is similar to straight-line roller skating;

the front pulley and the rear pulley are respectively positioned at the height position of the first front pulley and the height position of the first rear pulley, no matter the middle pulley is positioned at the front side of the middle pulley or at the rear side of the middle pulley, if the figure wheel shoe rack is flatly placed on the ground, only the bottom end part of the middle pulley is contacted with the ground, the bottom end part of the front pulley and the bottom end part of the rear pulley are level with each other, the heights of the front pulley and the rear pulley are higher than the ground, and the connecting line of the bottom end parts of the three pulleys is in a certain radian and is similar to a skate;

the front pulley and the rear pulley are respectively positioned at the height position of the second front pulley and the height position of the second rear pulley, no matter the middle pulley is positioned at the front side of the middle pulley or at the rear side of the middle pulley, if the figure wheel skating shoe rack is flatly placed on the ground, the bottom end parts of the front pulley, the middle pulley and the rear pulley are level and contacted with the ground, and the connecting lines of the bottom end parts of the three pulleys are approximately straight lines and are similar to common wheel skating.

2. The flower-like roller skate rack of claim 1, characterized in that: the front pulley, the middle pulley and the rear pulley are respectively positioned at the height position of the second front pulley, the front side position of the middle pulley and the height position of the first rear pulley, and the middle pulley is close to the front pulley; the front pulley, the middle pulley and the rear pulley are respectively positioned at the height position of the second front pulley, the rear side position of the middle pulley and the height position of the first rear pulley, and the distance between the middle pulley and the front pulley is the same as the distance between the middle pulley and the rear pulley;

the front pulley, the middle pulley and the rear pulley are respectively positioned at the height position of the first front pulley, the front side position of the middle pulley and the height position of the first rear pulley, and the middle pulley is close to the front pulley; the front pulley, the middle pulley and the rear pulley are respectively positioned at the height position of the first front pulley, the rear side position of the middle pulley and the height position of the first rear pulley, and the distance between the middle pulley and the front pulley is the same as the distance between the middle pulley and the rear pulley;

the front pulley, the middle pulley and the rear pulley are respectively positioned at the height position of the second front pulley, the front side position of the middle pulley and the height position of the second rear pulley, and the middle pulley is close to the front pulley; the front pulley, the middle pulley and the rear pulley are respectively located at the position of the height of the second front pulley, the position of the rear side of the middle pulley and the position of the height of the second rear pulley, and the distance between the middle pulley and the front pulley is the same as the distance between the middle pulley and the rear pulley.

3. The flower-like roller skate rack of claim 1, characterized in that: the roller skate rack also comprises a front positioning component, and the front pulley is arranged on the rack body through the front positioning component; the front positioning component comprises two front gaskets, a front shaft rod and a front fixing piece, the shoe rack body is symmetrically provided with two front mounting holes, each front gasket is provided with a first front adjusting position and a second front adjusting position, each front gasket is provided with a front shaft hole, the front shaft hole is positioned at the first front adjusting position, each front gasket is assembled with the corresponding front mounting hole in a one-to-one correspondence manner and can adjust the position at the corresponding front mounting hole, the front pulley is positioned between the two front mounting holes, and the front shaft rod penetrates through one front shaft hole, the front pulley and the other front shaft hole successively and then is fixedly connected with the front fixing piece so as to rotatably connect the front pulley with the shoe rack body; the front gasket can enable the front pulley to be located at the height of the first front pulley when located at the first front adjusting position, and the front gasket can enable the front pulley to be located at the height of the second front pulley when located at the second front adjusting position.

4. The flower-like roller skate rack of claim 3, characterized in that: the front gasket comprises a front boss part, a front gasket part and a front shaft sleeve part which are connected in sequence, and the front shaft hole penetrates through the front boss part, the front gasket part and the front shaft sleeve part in sequence; the front mounting hole is a waist-shaped hole which is vertically arranged, the front gasket part is a waist-shaped gasket which is matched with the front mounting hole in shape, the axis of the front shaft hole is superposed with the arc center of one end of the front gasket part, the front boss part abuts against the outer end face of the front mounting hole, the front gasket part is sleeved in the front mounting hole, and the front shaft sleeve part extends out of the inner end face of the front mounting hole; the central axis of the front shaft sleeve part is coincided with the central axis of the front shaft rod; the head end of the front shaft lever is provided with a front nut with an inclined inner side surface, the rear end of the front shaft lever is provided with an internal thread, and the front fixing piece is a screw and is provided with an external thread; the front end hole wall of the front shaft hole is provided with a front limiting surface which can be matched with a front screw cap, the rear end of the front shaft rod sequentially passes through one of the front shaft hole, the front pulley and the other front shaft hole, the inner side surface of the front screw cap abuts against the front limiting surface, and the front fixing piece extends into the front shaft hole of the other front gasket and is in threaded connection with the front shaft rod;

or:

each front gasket comprises a front gasket part, a front boss part and a front shaft sleeve part which are connected in sequence, and the front shaft hole penetrates through the front gasket part, the front boss part and the front shaft sleeve part in sequence; the front mounting hole is a waist-shaped hole which is vertically arranged, the front gasket part is a waist-shaped gasket which is matched with the front mounting hole in shape, the axis of the front shaft hole is superposed with the arc center of one end of the front gasket part, the front boss part abuts against the inner end surface of the front mounting hole, the front gasket part is sleeved in the front mounting hole, and the front shaft sleeve part is positioned on the inner side of the front mounting hole; the central axis of the front shaft sleeve part is coincided with the central axis of the front shaft rod; the head end of the front shaft lever is provided with a front nut with a plane inner side face, the rear end of the front shaft lever is provided with an internal thread, and the front fixing piece is a screw and is provided with an external thread; the inner side surface of the front nut abuts against the outer side surface of one of the front mounting holes, the rear end of the front shaft rod sequentially penetrates through one of the front shaft holes, the front pulley and the other front shaft hole, and the front fixing piece extends into the front shaft hole of the other front gasket and is in threaded connection with the front shaft rod.

5. The flower-like roller skate rack of claim 1, characterized in that: the roller skate rack also comprises a rear positioning component, and the rear pulley is arranged on the rack body through the rear positioning component; the rear positioning component comprises two rear gaskets, a rear shaft rod and a rear fixing piece, the shoe rack body is provided with two rear mounting holes, each rear gasket is provided with a first rear adjusting position and a second rear adjusting position, each rear gasket is provided with a rear shaft hole, the rear shaft hole is located at the first rear adjusting position, each rear gasket is assembled with the corresponding rear mounting hole in a one-to-one correspondence manner and can adjust the position at the corresponding rear mounting hole, the rear pulley is located between the two rear mounting holes, and the rear shaft rod penetrates through one rear shaft hole, the rear pulley and the other rear shaft hole successively and then is fixedly connected with the rear fixing piece so as to rotatably connect the rear pulley with the shoe rack body; the rear gasket can enable the rear pulley to be located at the height of the first rear pulley when located at the first rear adjusting position, and the rear gasket can enable the rear pulley to be located at the height of the second rear pulley when located at the second rear adjusting position.

6. The flower-like roller skate rack of claim 5, wherein: each rear gasket comprises a rear boss part, a rear gasket part and a rear shaft sleeve part which are sequentially connected, the rear shaft hole sequentially penetrates through the rear boss part, the rear gasket part and the rear shaft sleeve part, the rear mounting hole is a waist-shaped hole which is vertically arranged, the rear gasket part is a waist-shaped gasket which is matched with the rear mounting hole in shape, the axis of the rear shaft hole is superposed with the arc center of one end of the rear gasket part, the rear boss part abuts against the outer end face of the rear mounting hole, the rear gasket part is sleeved in the rear mounting hole, and the rear shaft sleeve part extends out of the inner end face of the rear mounting hole; the central axis of the rear shaft sleeve part is coincided with the central axis of the rear shaft rod;

or:

each rear gasket comprises a rear gasket part, a rear boss part and a rear shaft sleeve part which are sequentially connected, the rear shaft hole sequentially penetrates through the rear gasket part, the rear boss part and the rear shaft sleeve part, the rear mounting hole is a vertically-arranged waist-shaped hole, the rear gasket part is matched with the rear mounting hole in shape, the axis of the rear shaft hole is coincided with the arc center of one end of the rear gasket part, the rear boss part abuts against the inner end surface of the rear mounting hole, the rear gasket part is sleeved in the rear mounting hole, and the rear shaft sleeve part is positioned on the inner side of the rear mounting hole; the central axis of the rear shaft sleeve part is coincided with the central axis of the rear shaft rod; the head end of the rear shaft lever is provided with a rear nut with a plane inner side surface, the rear end of the rear shaft lever is provided with an internal thread, and the rear fixing piece is a screw and is provided with an external thread; the rear nut inner side surface abuts against the outer side surface of one of the rear mounting holes, the rear end of the rear shaft rod sequentially penetrates through one of the rear shaft holes, the rear pulley and the other rear shaft hole, and the rear fixing piece extends into the rear shaft hole of the other rear gasket and is in threaded connection with the rear shaft rod.

7. The flower-like roller skate rack of claim 1, characterized in that: the roller skate rack also comprises a middle position adjusting component, and the middle pulley is arranged on the rack body through the middle position adjusting component; the middle positioning assembly comprises two middle washers, a middle shaft rod and a middle fixing piece, the shoe rack body is provided with two middle mounting holes, each middle washer is provided with a first middle adjusting position and a second middle adjusting position, each middle washer is provided with a middle shaft hole, the middle shaft hole is located at the first middle adjusting position, each middle washer and the middle mounting hole are assembled in a one-to-one correspondence mode and can be adjusted in the position of the corresponding middle mounting hole, the middle pulley is located between the two middle mounting holes, and the middle shaft rod penetrates through one middle shaft hole, the middle pulley and the other middle shaft hole successively and then is fixedly connected with the middle fixing piece so as to enable the middle pulley to be rotatably connected with the shoe rack body; the middle washer can enable the middle pulley to be located at the position of the front side of the middle pulley when located at the first middle adjusting position, and the middle washer can enable the middle pulley to be located at the position of the rear side of the middle pulley when located at the second middle adjusting position.

8. The flower-like roller skate rack of claim 7, wherein: each middle gasket comprises a middle boss part, a middle gasket part and a middle shaft sleeve part which are connected in sequence, and the middle shaft hole penetrates through the middle boss part, the middle gasket part and the middle shaft sleeve part in sequence; the middle mounting hole is a transversely arranged waist-shaped hole, the middle gasket part is a waist-shaped gasket matched with the middle mounting hole in shape, the axis of the middle shaft hole is superposed with the arc center of one end of the middle gasket part, the middle boss part abuts against the outer end face of the middle mounting hole, the middle gasket part is sleeved in the middle mounting hole, and the middle shaft sleeve part extends out of the inner end face of the middle mounting hole; the central axis of the middle shaft sleeve part is coincided with the central axis of the middle shaft rod;

or:

each middle gasket comprises a middle gasket part, a middle boss part and a middle shaft sleeve part which are connected in sequence, the middle shaft hole sequentially penetrates through the middle gasket part, the middle boss part and the middle shaft sleeve part, the middle mounting hole is a waist-shaped hole which is vertically arranged, the middle gasket part is matched with the middle mounting hole in shape, the axis of the middle shaft hole is superposed with the arc center of one end of the middle gasket part, the middle boss part abuts against the inner end surface of the middle mounting hole, the middle gasket part is sleeved in the middle mounting hole, and the middle shaft sleeve part is positioned on the inner side of the middle mounting hole; the central axis of the middle shaft sleeve part is coincided with the central axis of the middle shaft rod; the head end of the middle shaft rod is provided with a middle nut with a plane inner side surface, the rear end of the middle shaft rod is provided with an internal thread, and the middle fixing piece is a screw and is provided with an external thread; the inner side face of the middle nut abuts against the outer side face of one of the middle mounting holes, the rear end of the middle shaft rod sequentially penetrates through one of the middle shaft holes, the middle pulley and the other middle shaft hole, and the middle fixing piece extends into the middle shaft hole of the other middle washer and is in threaded connection with the middle shaft rod.

9. The flower-like roller skate rack of claim 2, wherein: the roller skate rack also comprises a middle position adjusting component, and the middle pulley is arranged on the rack body through the middle position adjusting component; the middle positioning assembly comprises two middle gaskets, a middle shaft rod and a middle fixing piece, the shoe rack body is provided with two groups of middle mounting holes which are spaced front and back, each group of middle mounting holes comprises two middle mounting holes which are oppositely arranged left and right, each middle gasket is provided with a middle shaft hole, the two middle gaskets can be assembled with any group of middle mounting holes in a one-to-one correspondence mode, the middle pulleys are positioned among the middle mounting holes, and the middle shaft rod penetrates through one middle shaft hole, the middle pulley and the other middle shaft hole in sequence and then is fixedly connected with the middle fixing piece so as to rotatably connect the middle pulleys with the shoe rack body; and when the middle gasket is assembled with the middle mounting holes in the front group, the middle pulley is positioned at the front side of the middle pulley, and when the middle gasket is assembled with the middle mounting holes in the rear group, the middle pulley is positioned at the rear side of the middle pulley.

10. A flower-like roller skate is characterized in that: the use of the flower-like roller skate frame as defined in any one of claims 1 to 9.