CN215025912U

CN215025912U - roller skates

Info

Publication number: CN215025912U
Application number: CN202120518329.2U
Authority: CN
Inventors: 郑世伟
Original assignee: Weiwang Sports Equipment Huizhou Co ltd
Current assignee: Weiwang Sports Equipment Huizhou Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-07
Anticipated expiration: 2031-03-11
Also published as: US20220288482A1

Abstract

The utility model discloses a roller skate, which comprises a shoe body and a pulley arranged below the shoe body. The pulley is divided into a front pulley group and a rear pulley group. The pulley block includes a plurality of rear pulleys, the reversing mechanism controls the plurality of rear pulleys to be arranged in a straight row or a horizontal row, and the traveling direction of the plurality of the rear pulleys always faces the front and rear directions of the shoe body. In the roller skates of the present application, the pulleys are divided into a front pulley group and a rear pulley group, and the rear pulley group is rotatably arranged on the bottom of the shoe body through a reversing mechanism, thereby realizing the reversal of the rear pulley group in a straight arrangement and a horizontal arrangement. , effectively improve the scope of application of the roller skates, make the roller skates more practical and feel better.

Description

Roller skate

Technical Field

The utility model relates to a skidding equipment technical field especially relates to a skidding shoe.

Background

Roller skates are a popular type of roller skate equipment. Current roller skate generally is provided with three to four pulleys, and these three to four pulleys are the single row mode of arranging in line and set up in shoes body bottom, and this kind of traditional roller skate requires highly to the user, to the beginner, and difficult control is steady, falls down easily, makes the people produce the fearful or even fear mood, and then leads to the look of the smooth motion of wheel and forbids.

Disclosure of Invention

The utility model discloses aim at solving one of above-mentioned technical problem to a certain extent at least.

The utility model provides a roller skate, include the shoes body and set up in the pulley of shoes body below, the pulley divide into preceding assembly pulley and back pulley group, back pulley group passes through reversing mechanism and sets up in shoes body bottom, back pulley group includes a plurality of back pulleys, a plurality of back pulleys of reversing mechanism control are in line or are the row of violently arranging, and a plurality of the advancing direction of back pulley is all the time towards shoes body fore-and-aft direction.

Further, the reversing mechanism includes:

a reversing base; the reversing base comprises a rotating support, the rotating support is rotatably arranged at the bottom of the shoe body, and the rear pulleys are rotatably arranged on the rotating support;

the reversing transmission mechanism is in transmission connection with the rear pulleys and the rotating bracket and is used for driving the rear pulleys and the rotating bracket to rotate so as to enable the rear pulleys to be arranged in a straight line or in a transverse line; and

the reversing adjusting switch is detachably abutted with the rotating bracket; the reversing adjusting switch can loosen the locking of the rotating support when the reversing is needed, and lock the rotating support when the plurality of rear pulleys are arranged in a straight row or in a transverse row.

Furthermore, the rear pulley set is provided with two rear pulleys, the rotating support is provided with two transmission holes which are positioned on the same diameter line and are radially symmetrical, and the two rear pulleys are rotatably arranged at the transmission holes through corresponding rear pulley supports respectively; the two rear pulleys can be driven by the rotating support to rotate around the axis of the rotating support together, and the two rear pulleys can rotate around the axis of the transmission hole in the transmission hole respectively.

Further, the reversing transmission mechanism comprises:

an inner tooth socket arranged at the bottom of the shoe body; and

a guide gear engaged with the internal gear groove; the guide gears are two and are fixedly connected with the two rear pulleys one by one.

Furthermore, the rear pulley bracket abuts against the first side of the rotating bracket, the guide gear abuts against the second side of the rotating bracket, and the guide gear is fixedly installed on the rear pulley bracket; the upper top surface of the rear pulley support is provided with a positioning lug, the lower bottom surface of the guide gear is provided with a positioning groove at a position corresponding to the positioning lug, and the positioning lug is arranged in the positioning groove.

Furthermore, the inner tooth socket and the guide gear are matched with each other to be provided with a rotation limiting structure, and the rotation limiting structure is used for limiting the rotatable angle of the rotating support to be plus or minus 90 degrees; the rotary limiting structure comprises a second rotary limiting boss arranged on the guide gear and a rotary limiting groove arranged in the inner tooth groove.

Furthermore, the reversing base also comprises a rotating cover plate, and the rotating support is rotatably arranged at the bottom of the shoe body through the rotating cover plate; the middle part of rotatory apron is provided with the rotation and dodges the hole, rotatory apron is provided with the first rotatory spacing boss of keeping away the hole inside wall looks butt with the rotation in the position department corresponding with the rotation and dodging the hole.

Further, the commutation regulation switch includes:

a reversing switch main body; and

the reversing switch main body is elastically arranged on the reversing elastic piece at one side of the rotating bracket;

the outer side of the rotating bracket is provided with a concave locking port; the reversing switch main body comprises a locking part matched with the locking port to be matched with the locking rotary bracket, and a control part used for controlling the locking part to be placed in or separated from the locking port; the reset direction of the reversing elastic piece faces towards the locking port.

Furthermore, the reversing switch main body further comprises a fixing part, the fixing part is fixed on the shoe body through a fixing piece, and a fixing piece moving groove for the fixing piece to move along with the fixing piece in the process that the locking part is placed in or leaves the locking opening is formed in the shoe body.

Further, the shoes body includes heel and tip, heel and tip cooperation are provided with transfers sign indicating number mechanism, transfer the sign indicating number mechanism and include:

the code adjusting switch is elastically arranged at the bottom of the heel;

a plurality of code adjusting bayonets which are arranged at the bottom of the toe cap along the front-back direction to limit different shoe lengths; the code adjusting switch can be placed in or separated from the code adjusting bayonet; and

the code adjusting switches arranged at the bottoms of the heel and the toe cap are matched to avoid the grooves.

The utility model has the advantages that: the pulleys are divided into the front pulley block and the rear pulley block, and the plurality of rear pulleys are controlled by the reversing mechanism to be arranged in a straight line or in a transverse line, so that the arrangement direction of the pulleys of the roller skates can be selected independently, the application range of the roller skates is effectively expanded, and the practicability is higher; the rotating support is rotatably arranged at the bottom of the shoe body, the rear pulleys are rotatably arranged on the rotating support, and the reversing transmission mechanism can be used for simultaneously controlling the rear pulleys and the rotating support to rotate, so that the advancing direction of the rear pulley group after reversing is finished always faces to the front and rear directions of the shoe body, the reversing mechanism is simple in structure, and the reversing method is convenient to operate.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of the rear pulley set of the roller skate of the present invention arranged in a straight row.

Fig. 2 is a schematic view of a second three-dimensional structure of the rear pulley set of the roller skate of the present invention arranged in a straight row.

Fig. 3 is a first exploded schematic view of the rear wheel set of the roller skate of the present invention arranged in a straight row.

Fig. 4 is a second exploded schematic view of the rear pulley set of the roller skate of the present invention arranged in a straight row.

Fig. 5 is a first partial sectional view of the rear pulley block of the skate of the present invention arranged in a straight line.

Fig. 6 is a second partial sectional view of the rear wheel set of the skate of the present invention arranged in a straight line.

Fig. 7 is a schematic view of a first three-dimensional structure of the rear pulley set of the roller skate of the present invention arranged in a row.

Fig. 8 is a schematic view of a second three-dimensional structure of the rear pulley set of the roller skate of the present invention arranged in a row.

Fig. 9 is an exploded schematic view of the rear pulley set of the roller skate of the present invention arranged in a row.

Fig. 10 is a first partial sectional view of the rear pulley block of the roller skate of the present invention arranged in a row.

Fig. 11 is a second partial sectional view of the rear pulley group of the roller skate of the present invention arranged in a row.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact; also, the first feature "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature; the first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 11, the present invention provides a roller skate, which includes a skate body 10 and a roller disposed at the bottom of the skate body 10, wherein the roller can be divided into a front roller set 201 and a rear roller set 202. For the sake of distinction and understanding, we will hereinafter designate the pulleys belonging to the front pulley group 201 as the front pulleys 21 and the pulleys belonging to the rear pulley group 202 as the rear pulleys 22.

The rear pulley group 202 comprises a plurality of rear pulleys 22, and is a plurality of the rear pulleys 22 are arranged at the bottom of the shoe body 10 through a reversing mechanism, the reversing mechanism can control a plurality of the rear pulleys 22 to be arranged in a straight line or in a horizontal line, and no matter how many the rear pulleys 22 are arranged in a straight line or in a horizontal line, and are a plurality of the traveling directions of the rear pulleys 22 are always towards the front and rear directions of the shoe body. It is understood that the direction of travel as referred to herein refers to the direction of travel of the wheels of the skate during skating.

The reversing mechanism comprises a reversing base 30, a reversing transmission mechanism 40 and a reversing adjusting switch 50.

The reversing base 30 is used for rotatably arranging the rear pulley block 202 at the bottom of the shoe body 10. Specifically, the reversing base 30 includes a rotating bracket 31 and a rotating cover 32, the rotating bracket 31 is rotatably disposed at the bottom of the shoe body 10 through the rotating cover 32, and the plurality of rear pulleys 22 are rotatably disposed on the rotating bracket 31.

In this embodiment, a circular rotation cavity 101 is disposed at the bottom of the shoe body 10, the rotation bracket 31 is accommodated in the rotation cavity 101, and the rotation cover plate 32 abuts against the outer side of the rotation bracket 31 and limits the rotation bracket 31 in the rotation cavity 101. The middle part of rotatory apron 32 is provided with rotatory hole 321 of dodging, the rotatory apron 32 one side of orientation of runing rest 31 is provided with the identical first rotatory spacing boss 311 of profile in the hole 321 of dodging with the rotation in the corresponding position department of rotatory hole 321 of dodging, runing rest 31 and runing rest 32 are through first rotatory spacing boss 311 and rotatory hole 321 looks butt of dodging in order to further inject the rotatory activity space of runing rest 31. The outer side of the rotary cover plate 32 is provided with a cover plate fixing hole 322 and is fixedly mounted at the bottom of the shoe body 10 by a screw matched with the cover plate fixing hole.

In this embodiment, the rear pulley set 202 is preferably provided with two rear pulleys 22, the rotating bracket 31 is correspondingly provided with two transmission holes 312, the two transmission holes 312 are located on the same diameter line of the rotating bracket 31 and are radially symmetrical, and the two rear pulleys 22 are rotatably installed at the transmission holes 312 through the corresponding rear pulley brackets 220, respectively. The two rear pulleys 22 can be driven by the rotating bracket 31 to rotate around the axis of the rotating bracket 31 by plus or minus 90 degrees together, so that the arrangement mode of the two rear pulleys 22 is changed between straight row and horizontal row; the two rear pulleys 22 can rotate within the transmission hole 312 by plus or minus 180 degrees around the axis of the transmission hole 312, so that the backward traveling direction of the two rear pulleys 22 always faces the front and back direction of the shoe body.

The reversing transmission mechanism 40 is in transmission connection with each rear pulley 22 and the rotating bracket 31, and is used for driving each rear pulley 22 and the rotating bracket 31 to rotate so as to enable the plurality of rear pulleys 22 to be arranged in a straight line or in a transverse line. The reversing transmission mechanism 40 includes an internal tooth slot 41 and a guide gear 42. The inner tooth grooves 41 are formed in the bottom of the shoe body 10, the inner tooth grooves 41 are circular, and the side walls of the inner tooth grooves are inner tooth surfaces. The guide gear 42 is an external gear and is arranged in the internal tooth groove 41, and the external tooth surface of the guide gear 42 is meshed with the internal tooth surface of the internal tooth groove 41. In this embodiment, two guide gears 42 are provided, and the two guide gears 42 are fixedly connected with the two rear pulleys 22 one by one.

Specifically, the inner side of the rotating cavity 101 at the bottom of the shoe body 10 is provided with an inner concave tooth groove 41, and the inner tooth groove 41 is coaxially arranged with the rotating cavity 101. The rear pulley bracket 220 abuts against a first side of the rotating bracket 31, the guide gear 42 abuts against a second side of the rotating bracket 31, and the guide gear 42 is fixedly mounted on the rear pulley bracket 220. The rear pulley bracket 220 is provided with a mounting convex column 221 matched with the inner diameter and depth of the transmission hole 312, the upper top surface of the mounting convex column 221 extends upwards to form a positioning convex block 222, the lower bottom surface of the guide gear 42 is provided with a positioning groove 421 at a position corresponding to the positioning convex block 222, the positioning convex block 222 is in matched butt joint with the positioning groove 421, the middle parts of the guide gear 42 and the rear pulley bracket 220 are provided with mounting holes at corresponding positions, and the guide gear 42 and the rear pulley bracket 220 are fixedly connected through male and female screws. The positioning protrusion 222 is disposed in the positioning groove 421 to form a connection manner similar to a mortise and tenon structure, so that the guide gear 42 and the rear pulley bracket 220 cannot move or rotate relative to each other after being fixedly connected.

Because the whole rear pulley group 202 only needs to rotate plus or minus 90 degrees to realize the switching between the straight arrangement and the transverse arrangement of the two pulleys of the rear pulley group 202, the inner tooth grooves 41 and the guide gears 42 are provided with a rotation limiting structure in a matching way, and the rotation limiting structure is used for limiting the rotatable angle of the rotating bracket 31 to plus or minus 90 degrees. In this embodiment, the rotation limiting structure includes a second rotation limiting boss 61 disposed on the guide gear 42, and a rotation limiting groove 62 disposed in the internal tooth groove 41.

Referring to fig. 4, as a preferred embodiment, for convenience of processing, the inner teeth grooves 41 are fully distributed with inner teeth on the entire inner circular sidewall. Since the two rear sheaves 22 of the rear sheave group 202 need only be rotated by plus or minus 90 degrees between the straight arrangement and the transverse arrangement, in other embodiments, the internal tooth grooves 41 may be provided with internal tooth sidewalls having internal teeth only at positions corresponding to the rotation-restricting grooves 62.

The reversing adjusting switch 50 is detachably abutted against the rotating bracket 31, and is matched with the rotating bracket 31 to define a relative locking position and a relative unlocking position, so that the locking of the rotating bracket 31 is released when the reversing is needed, and the rotating bracket 31 is locked when a plurality of rear pulleys 22 are arranged in a straight line or in a transverse line.

The outer circumference of the rotating bracket 31 is provided with a concave locking port 315. The reversing regulating switch 50 includes a reversing switch main body 51 and a reversing elastic member 52. The reversing elastic member 52 is used for elastically arranging the reversing switch main body 51 at the corresponding side of the rotating bracket 31. The reversing switch main body 51 comprises a locking part 511 matched with the locking port 315 so as to be matched with the locking port 315 to lock the rotating bracket 31, and a control part 512 for controlling the locking part 511 to be arranged in or separated from the locking port 315. The reset direction of the reversing elastic member 52 is toward the locking port 315. The bottom of the shoe body 10 is provided with a reversing switch mounting groove for accommodating the reversing switch main body 51 and the reversing elastic member 52 and for moving the reversing switch main body 51 and the reversing elastic member 52.

The locking openings 315 are disposed at positions and in quantities that the rotating bracket 31 can be locked by the locking portions 511 when the plurality of rear pulleys 22 of the rear pulley group 202 are arranged in a straight row or in a horizontal row. In this embodiment, the locking opening 315 is formed on an outer sidewall of the rotating bracket 31. Because the rotating bracket 31 can drive the two rear pulleys 22 on the rear pulley group 202 to change direction between the straight arrangement and the transverse arrangement by rotating plus or minus 90 degrees, four locking ports 315 corresponding to the starting ends of the two rotation limiting grooves 62 one by one are arranged on the rotating bracket 31, and the included angles between the four locking ports 315 are 90 degrees.

In this embodiment, the reversing adjustment switch 50 is a toggle switch and is installed at the heel of the shoe body 10. The control portion 512 is a toggle block disposed at a first end of the reversing switch body 51, and the locking portion 511 is a locking block disposed at a second end of the reversing switch body 51.

The reversing switch main body 51 further comprises a fixing portion 513, the fixing portion 513 is fixed on the shoe body 10 through a fixing member 514, and the shoe body 10 is provided with a fixing member moving groove for the fixing member 514 to move along with the fixing member in the process that the locking portion 511 is placed in or separated from the locking opening 315. In this embodiment, the fixing portion 513 is a cylinder structure formed by the reversing switch main body 51 extending downward, the cylinder structure is provided with a screw hole, and the fixing member 514 is a screw matched with the screw hole. The reversing elastic element 52 is a compression spring, the fixing part 513 of the reversing switch main body 51 is abutted against the compression spring, a spring groove for accommodating the compression spring and stretching the compression spring is arranged at the heel of the fixing part 513 and the shoe body 10 in a matched manner, and a fixing element moving groove for moving the screw is arranged at the position of the shoe body 10 corresponding to the screw.

The shoe body 10 includes a heel 11 and a toe cap 12, and the front pulley block 201 and the rear pulley block 202 are both disposed on the heel 11. In this embodiment, the front pulley block 201 is provided with two front pulleys 21, and the two front pulleys 21 are fixedly arranged on the heel 11 through a directional pulley support 210 arranged at the bottom of the heel 11.

The toe cap 12 is provided with the yard mechanism of transferring with the cooperation of heel 11, transfer yard mechanism and be used for adjusting the length of roller skate fore-and-aft direction so that the roller skate is applicable in the foot of certain length within range. The size adjusting mechanism comprises a size adjusting switch 71, a plurality of size adjusting bayonets 72 and a size adjusting switch avoiding groove 73, wherein the size adjusting switch 71 is elastically arranged at the bottom of the heel 11, the size adjusting bayonets 72 are arranged at the front and back of the toe cap 12 and are used for limiting different shoe lengths, and the size adjusting switch avoiding groove is cooperatively arranged at the bottoms of the heel 11 and the toe cap 12.

Transfer sign indicating number switch 71 including transferring the sign indicating number button and transferring the sign indicating number fixture block, transfer the sign indicating number fixture block and transfer sign indicating number bayonet socket 72 matching joint, transfer sign indicating number switch 71 through transferring sign indicating number elastic component 74 elasticity to set up in 11 portions of heel, transfer the direction of resetting of sign indicating number elastic component 74 orientation and transfer the sign indicating number bayonet socket 72 and with transfer the direction of arranging of sign indicating number bayonet socket 72 perpendicular. In this embodiment, the bottom of the heel 11 is provided with a code adjusting switch fixing hole 75, the code adjusting switch 71 is elastically arranged at the bottom of the heel 11 through a code adjusting pin 76, the code adjusting elastic member 74 is sleeved on the code adjusting pin 76 and abuts against the code adjusting switch 71 at the position of the code adjusting switch fixing hole 75, and a code adjusting button of the code adjusting switch 71 extends out of the code adjusting switch fixing hole 75. It is a plurality of transfer sign indicating number bayonet socket 72 arranges according to regular interval along the fore-and-aft direction, toe cap 12 is provided with in transfer sign indicating number bayonet socket 72 one side and supplies to transfer the first sign indicating number switch that sign indicating number switch 71 removed and dodge the groove, heel 11 is provided with the second in the position department that dodges the groove and correspond with transferring sign indicating number bayonet socket 72 and first sign indicating number switch and dodge the groove 73 that dodges.

A brake block 13 is arranged behind the heel 11, a puttee 14 is arranged above the heel 11, and bridles 15 are arranged on the toe cap 12 and the puttee 14.

When the roller skate is used, the arrangement mode of the rear pulleys on the roller skate can be automatically reversed according to the will of a user. When the roller skate is initially used, the rollers on the roller skate are all arranged in a straight line, when a user needs a roller skate with better smoothness, the user can toggle the control part 512, and the control part 512 drives the locking part 511 to leave the locking port 315, so that the locking of the rotating bracket 31 is released; then, one of the rear pulley supports 220 is rotated, the rear pulley support 220 drives the guide gear 42 to rotate, the guide gear 42 and the inner tooth groove 41 generate inner meshing transmission to drive the rotating support 31 to rotate, the rotating support 31 drives the other rear pulley support 220 to rotate, and finally the rear pulleys 22 are arranged in a transverse row under the limitation of a rotation limiting structure; the control part 512 is loosened, and the locking part 511 is placed into the locking opening 315 under the reset action of the reversing elastic piece 52, so that the rotating bracket 31 is locked; at this time, the rear pulley group 202 is arranged in a row and locked, and the roller skate can be used. When a user needs to arrange the roller blades of the roller skate in a straight row, the user pulls the control part 512, and the control part 512 drives the locking part 511 to leave the locking port 315, so that the locking of the rotating bracket 31 is released; then, one of the rear pulley supports 220 is rotated, the rear pulley support 220 drives the guide gear 42 to rotate, the guide gear 42 and the inner tooth groove 41 generate inner meshing transmission to drive the rotating support 31 to rotate, the rotating support 31 drives the other rear pulley support 220 to rotate, and finally the rear pulleys 22 are arranged in a straight line under the limitation of a rotation limiting structure; the control part 512 is loosened, and the locking part 511 is placed into the locking opening 315 under the reset action of the reversing elastic piece 52, so that the rotating bracket 31 is locked; at this time, the rear roller sets 202 are arranged in a straight line and locked, and the skate can be used as a straight-line skate. The roller skate has the advantages of simple structure, various use modes, simple use method, better use feeling and stronger practicability.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims

1. The utility model provides a roller skate, includes the shoes body and sets up in the pulley of shoes body below, its characterized in that, the pulley divide into preceding assembly pulley and back pulley group, back pulley group passes through reversing mechanism and sets up in shoes body bottom, back pulley group includes a plurality of back pulleys, a plurality of back pulleys of reversing mechanism control are in line or are the horizontal row and arrange, and a plurality of the advancing direction of back pulley is all the time towards shoes body fore-and-aft direction.

2. The skate of claim 1, wherein the reversing mechanism comprises:

3. The roller skate of claim 2, wherein the rear pulley set is provided with two rear pulleys, the rotating bracket is provided with two transmission holes which are positioned on the same diameter line and are radially symmetrical, and the two rear pulleys are rotatably mounted at the transmission holes through the corresponding rear pulley brackets, respectively; the two rear pulleys can be driven by the rotating support to rotate around the axis of the rotating support together, and the two rear pulleys can rotate around the axis of the transmission hole in the transmission hole respectively.

4. The skate of claim 3, wherein the reversing gear mechanism comprises:

an inner tooth socket arranged at the bottom of the shoe body; and

5. The skate of claim 4, wherein the rear pulley bracket abuts a first side of the swivel bracket and the guide gear abuts a second side of the swivel bracket, the guide gear being fixedly mounted to the rear pulley bracket; the upper top surface of the rear pulley support is provided with a positioning lug, the lower bottom surface of the guide gear is provided with a positioning groove at a position corresponding to the positioning lug, and the positioning lug is arranged in the positioning groove.

6. The skate of claim 4, wherein the internal spline is provided with a rotation limiting structure in cooperation with the steering gear, the rotation limiting structure being adapted to limit a rotatable angle of the rotation bracket to plus or minus 90 degrees; the rotary limiting structure comprises a second rotary limiting boss arranged on the guide gear and a rotary limiting groove arranged in the inner tooth groove.

7. The skate of claim 2, wherein the reversing base further comprises a swivel cover, the swivel bracket being rotatably disposed at the bottom of the body of the skate by the swivel cover; the middle part of rotatory apron is provided with the rotation and dodges the hole, rotatory apron is provided with the first rotatory spacing boss of keeping away the hole inside wall looks butt with the rotation in the position department corresponding with the rotation and dodging the hole.

8. The skate of claim 2, wherein the reversing adjustment switch comprises:

a reversing switch main body; and

9. The roller skate of claim 8, wherein the reversing switch body further comprises a fixing portion fixed to the skate body by a fixing member, and the skate body is provided with a fixing member moving groove for the fixing member to move along with the fixing member in a process that the locking portion is inserted into or removed from the locking opening.

10. The roller skate of any one of claims 1 to 9, wherein the body comprises a heel and a toe cap, the heel and the toe cap are cooperatively provided with a code adjusting mechanism, and the code adjusting mechanism comprises:

the code adjusting switch is elastically arranged at the bottom of the heel;