CN210251130U

CN210251130U - Speed-variable speed roller skate

Info

Publication number: CN210251130U
Application number: CN201920312327.0U
Authority: CN
Inventors: 刘文娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-04-07
Anticipated expiration: 2029-03-13

Abstract

The utility model discloses a can variable speed extremely fast roller skate, including tire and shoes, the vamp portion of shoes is equipped with the bandage, the bottom of shoes is equipped with the footboard, the footboard is fixed to be set up at back support frame and preceding support frame top, the top of back support frame and preceding support frame is by the button head bolt fastening, and is provided with back force spring between back support frame and the preceding support frame, the slider is installed to the bottom spout the inside of footboard, the slider both ends and slider pull rod are connected, back support frame and preceding support frame low side are fixed by short rocker and long rocker, have fast, high efficiency, use manpower sparingly, use advantages such as comfortable, be fit for long distance walking, trample the effect that realizes accelerating through two feet, through speed change mechanism, can realize crawling of certain slope, long distance downhill path or fast speed reduction have more security through the brake.

Description

Speed-variable speed roller skate

Technical Field

The utility model belongs to the technical field of machinery, concretely relates to utmost point speed roller skate that can change speed.

Background

In recent years, roller skates are rapidly developed, a single-row roller skate and a double-row roller skate are provided, the roller skates are popular with teenagers, many children play from small to large, roller skate enthusiasts use the roller skate to practice a roller skating technology to increase the balance and coordination of bodies, but the two roller skates are accelerated by being pushed forwards through included angles generated by two feet, the force efficiency generated by the two feet is low, one component force is used for friction and loss, for people using the ultra-fast roller skates, the roller skates cannot be provided with brakes and can influence the exertion, the two feet are swung into a T shape to decelerate when braking, the abrasion of the wheels is large, and the roller skates are required to be frequently changed left and right and integrally. When the roller skate is used, feet need to step outwards, muscles on legs are tight to collapse, the feet feel painful after a long time, and therefore the roller skate is not worn for a long time. Roller skates are suitable for flat road surfaces or downhill road surfaces, have great danger for the just learnt, and are easy to have falling injury accidents.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can the variable speed extremely fast roller skate to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the extremely-speed roller skate capable of changing speed comprises tires and shoes, wherein binding bands are arranged on the vamp portion of each shoe, a pedal is arranged at the bottom of each shoe, the pedal is fixedly arranged at the tops of a rear support frame and a front support frame, the tops of the rear support frame and the front support frame are fixed through round-head bolts, a return spring is arranged between the rear support frame and the front support frame, a sliding block is arranged inside a bottom sliding groove of each pedal, two ends of the sliding block are connected with sliding block pull rods, the lower ends of the rear support frame and the front support frame are fixed through short rocking rods and long rocking rods, and a ratchet wheel one-way rotating mechanism, a planetary gear speed increaser, a drive speed changing mechanism, a bevel gear transmission mechanism, a brake.

Preferably, the cross beam of the front support frame is of a solid structure, the bottom end of the front support frame is provided with a bearing position, and the bearing is fixed at the outermost end through a screw; the middle of the cross beam of the rear support frame is of a hollow structure, a gear shaft is arranged inside the rear support frame, a spherical gear box is arranged on the left side of the rear support frame and used for placing a conical gear transmission mechanism, and different platforms are arranged at the two ends of the rear support frame and used for fixing a planetary gear reducer and a speed change mechanism.

Preferably, the ratchet wheel one-way rotating mechanism mainly comprises a ratchet wheel, a clamping needle, a spring II and a wheel disc, the wheel disc is fixedly connected with an external pull rod and can rotate on the rear supporting frame, the clamping needle is installed on the wheel disc and can rotate, the spring II is used for enabling the clamping needle to be in contact with the ratchet wheel, the wheel disc is enabled to drive the ratchet wheel to rotate when rotating forwards, power is transmitted to the planetary gear speed increaser, the ratchet wheel does not rotate when rotating backwards, and the support can be enabled to shrink without resistance.

Preferably, the planetary gear speed increaser mainly comprises a planetary gear, a roller, a planetary gear support and an inner gear ring gear, wherein the roller and the planetary gear support are fixed together, the planetary gear is arranged on the planetary gear support, the speed increaser totally has five-stage speed increasing and layer-by-layer speed increasing, the power transmission mode is to transmit the power of a ratchet wheel to the speed increaser, and finally, the power with high transmission and low torque is output.

Preferably, the drive speed change mechanism mainly comprises a drive speed change mechanism driving wheel and a drive speed change mechanism Driven wheel, five chain wheel rims are arranged on the driving wheel, the number of teeth on each chain wheel rim is different and gradually increases from inside to outside, the number of teeth on the outermost ring is about three times of that on the innermost side, the tooth-shaped structure can be just matched with the tooth-shaped structure of the Driven wheel, the Driven wheel can move on the five rings, different transmission ratios can be obtained when the Driven wheel moves to one ring, the axes of the Driven wheel and the driving wheel are vertical, the driving wheel is connected with the output end of the planetary gear speed increaser, power is transmitted to the Driven wheel from the planetary gear speed increaser, and the vertical transmission of power is realized while the speed regulation is met.

Preferably, the bevel gear transmission mechanism mainly comprises two bevel gears, a hexagonal transmission shaft and a gear shaft, the hexagonal transmission shaft is fixed with the smaller bevel gear, the gear shaft is connected with the larger bevel gear, a long shaft penetrates through the inside of a beam of the rear support frame, tires are installed at two ends of the long shaft, the two gears are placed in the gear box, the bevel gears are driven to rotate when the hexagonal transmission shaft rotates, the rotation of the gear shaft is realized, and finally the tires are driven to rotate.

Preferably, the return spring is a contraction spring, and is used for enabling the supports to contract along with the foot when the foot is lifted, so that the included angle between the supports is reduced, the height of the pedal is increased, and the return spring is used for the resetting process during the next power output.

Preferably, the brake mechanism mainly comprises a brake disc, a brake and an egg-shaped brake handle. The brake disc and a driving wheel of a drive speed change mechanism are fixed, the brake is fixed on a rear support frame rear beam, the brake disc is clamped in the middle, the brake cable consists of an outer tube and a steel wire, one end of the brake cable is connected with the brake disc, the other end of the brake cable is connected with the egg-shaped brake handle, the egg-shaped brake handle mainly consists of a roller and wave teeth, the outer ring of the roller is of a prismatic structure and used for increasing friction force, the middle circular groove part is used for disc brake cable, two brake cables of two feet are gathered together and wound on the roller when the brake is used, and the effect of braking can be realized by rolling the roller forwards.

Preferably, the speed regulating mechanism mainly comprises an egg-shaped brake grip, a spring I and a shifting block. The outer ring of the roller is provided with a prismatic structure for increasing friction force, the middle circular groove part on the left side is used for coiling a speed change line, the right side is provided with wave teeth, and a spring I is arranged between the wave teeth and the egg-shaped shell and used for increasing the rotating resistance of the wave teeth and the roller so as to ensure the position stability of the speed changer; one end of the speed changer wire is connected with the egg-shaped brake handle, the other end of the speed changer wire is connected with the shifting block, the Driven wheel of the drive speed change mechanism moves to a certain position through the movement of the shifting block and corresponds to the gear ring position of the driving wheel of the drive speed change mechanism, the speed change purpose is realized, and the spring I is fixed on the shifting block and the supporting frame, so that the speed change wire is in a tight state.

The utility model discloses a technological effect and advantage: the utility model has the advantages of it is quick, efficient, use manpower sparingly, use comfortablely, be fit for long distance walking, trample the effect that realizes accelerating through both feet, through speed change mechanism, can realize crawling of certain slope, long distance downhill path or fast speed reduction have more security through the brake, adopt the foot to step on the roller skate that the effect is accelerated, very big going on a journey that has made things convenient for people, satisfied the pursuit of people to extremely fast roller skate.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is an exploded view of the ratchet mechanism and the planetary gear speed increasing mechanism of the present invention;

fig. 4 is a drive speed change mechanism and bevel gear transmission diagram of the present invention;

fig. 5 is an exploded view of the egg-shaped transmission handle of the present invention.

In the figure: 1 round head bolt, 2 return force springs, 3 rear support frames, 4 short rocking bars, 5 tires, 6 shoes, 7 binding bands, 8 pedals, 9 front support frames, 10 sliding block pull rods, 11 sliding blocks, 12 long rocking bars, 13 wheel discs, 14 planetary gear speed increasers, 15 brake discs, 16drive speed change mechanism driving wheels, 17 drive speed change mechanism Driven wheels, 18 spring I, 19 brakes, 20 hexagonal transmission shafts, 21 bevel gears, 22 gear shafts, 23 bearings, 24 clamp pins, 25 ratchet wheels, 26 inner gear ring gears, 27 planet gear supports, 28 planet gears, 29 shifting blocks, 30 egg-shaped brake handles, 31 spring II, 32 wavy teeth and 33 rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a can variable speed extreme speed roller skate as shown in fig. 1-5, including tire 5 and shoes 6, the vamp portion of shoes 6 is equipped with bandage 7, the bottom of shoes 6 is equipped with footboard 8, footboard 8 is fixed to be set up at back support frame 3 and preceding support frame 9 top, the top of back support frame 3 and preceding support frame 9 is fixed by button head bolt 1, and is provided with back force spring 2 between back support frame 3 and the preceding support frame 9, and slider 11 is installed to the bottom spout the inside of footboard 8, and slider 11 both ends and slider pull rod 10 are connected, and back support frame 3 and preceding support frame 9 low side are fixed by short rocker 4 and long rocker 12, are provided with ratchet unidirectional rotation mechanism, planetary gear speed increaser, drive speed change mechanism, bevel gear drive, brake mechanism and speed adjusting mechanism between the back support frame 3.

Specifically, the beam of the front support frame 9 is of a solid structure, the position of the bearing 23 is reserved at the bottom end of the front support frame 9, and the bearing 23 is fixed at the outermost end through a screw; the middle of the cross beam of the rear support frame 3 is of a hollow structure, a gear shaft 22 is arranged inside the cross beam, a spherical gear box is arranged on the left side of the rear support frame 3 and used for placing a conical gear transmission mechanism, and different platforms are arranged at the two ends of the rear support frame 3 and used for fixing a planetary gear reducer and a speed change mechanism.

Specifically, the ratchet wheel one-way rotating mechanism mainly comprises a ratchet wheel 25, a clamping needle 24, a spring II 31 and a wheel disc 13, wherein the wheel disc 13 is fixedly connected with an external pull rod and can rotate on the rear support frame 3, the clamping needle 24 is installed on the wheel disc 13 and can rotate, the spring II 31 is used for enabling the clamping needle 24 to be in contact with the ratchet wheel 25, the ratchet wheel 25 is driven to rotate when the wheel disc 13 rotates forwards, power is transmitted to the planetary gear speed increaser 14, the ratchet wheel 25 does not rotate when the wheel disc rotates backwards, and the support can be retracted without resistance.

Specifically, the planetary gear speed increaser mainly comprises a planetary gear 28, a roller 33, a planetary gear support 27 and an annular gear 26, wherein the roller 33 and the planetary gear support 27 are fixed together, the planetary gear 28 is arranged on the planetary gear support 27, the speed increaser totally has five-stage speed increasing and layer-by-layer speed increasing, the power transmission mode is to transmit the power of the ratchet wheel 25 to the speed increaser, and finally, the power with high transmission and low torque is output.

Specifically, the drive speed change mechanism mainly comprises a drive speed change mechanism driving wheel 16 and a drive speed change mechanism Driven wheel 17, five chain wheel rings are arranged on the driving wheel, the number of teeth on each chain wheel ring is different and gradually increases from inside to outside, the number of teeth on the outermost ring is about three times of that on the innermost side, the tooth-shaped structure can be just matched with the tooth-shaped structure of the Driven wheel, the Driven wheel can move on the five rings, different transmission ratios can be obtained when the Driven wheel moves to one ring, the axes of the Driven wheel and the driving wheel are vertical, the driving wheel is connected with the output end of the planetary gear speed increaser, the power transmission from the planetary gear speed increaser to the Driven wheel is obtained, the vertical transmission of the power is realized, and the speed regulation.

Specifically, the bevel gear transmission mechanism mainly comprises two bevel gears 21, a hexagonal transmission shaft 20 and a gear shaft 22, the hexagonal transmission shaft 20 is fixed with the smaller bevel gear 21, the gear shaft 22 is connected with the larger bevel gear 21, a long shaft penetrates through a cross beam of the rear support frame 3, tires 5 are mounted at two ends of the gear shaft, the two gears are placed in the gear box, when the hexagonal transmission shaft 20 rotates, the bevel gears 21 are driven to rotate, the gear shaft 22 rotates, and finally the tires 5 are driven to rotate.

Specifically, the return spring 2 is a contraction spring, and has the effects that when the foot is lifted up, the support is contracted, the included angle between the supports is reduced, the height of the pedal is increased, and the return spring is used for the resetting process during the next power output

Specifically, the brake mechanism mainly comprises a brake disc 15, a brake 19 and an egg-shaped brake handle 30. Wherein the brake disc 15 is fixed with the driving wheel 16 of the drive speed-changing mechanism, the brake 19 is fixed on the back beam of the back support frame 3, the brake disc 15 is clamped in the middle, the brake cable is composed of an outer tube and a steel wire, one end is connected with the brake disc 15, the other end is connected with the egg-shaped brake grip 30, the egg-shaped brake grip 30 is mainly composed of a roller 33 and wave teeth 32, the outer ring of the roller 33 is provided with a prismatic structure for increasing friction force, the middle circular groove part is used for disc brake cable, two brake cables of two feet are gathered together and wound on the roller 33 when in use, the braking effect can be realized by rolling the roller 33 forwards

Specifically, the speed regulating mechanism mainly comprises an egg-shaped brake handle 30, a spring I18 and a shifting block 29. The outer ring of the roller 33 is provided with a prismatic structure for increasing friction force, the middle circular groove part on the left side is used for coiling a speed change line, the right side is provided with wave teeth 32, and a spring I18 is arranged between the wave teeth 32 and the egg-shaped shell and used for increasing the rotating resistance of the wave teeth 32 and the roller 33 and ensuring the position stability of the speed changer; one end of the speed changing wire is connected with the egg-shaped brake handle 30, the other end of the speed changing wire is connected with the shifting block 29, the Driven wheel 17 of the drive speed changing mechanism moves to a certain position through the movement of the shifting block 29, the position of the Driven wheel 17 of the drive speed changing mechanism corresponds to the position of the gear ring of the driving wheel 16 of the drive speed changing mechanism, the speed changing purpose is achieved, and the spring I18 is fixed on the shifting block 29 and the supporting frame, so that the speed changing wire is in a tight state.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A speed-variable roller skate comprising a tyre (5) and a shoe (6), characterized in that: the shoe comprises shoes (6), and is characterized in that binding bands (7) are arranged on the vamp portions of the shoes (6), pedals (8) are arranged at the bottoms of the shoes (6), the pedals (8) are fixedly arranged at the tops of a rear support frame (3) and a front support frame (9), the tops of the rear support frame (3) and the front support frame (9) are fixed through round-head bolts (1), return springs (2) are arranged between the rear support frame (3) and the front support frame (9), sliding blocks (11) are installed in bottom sliding grooves of the pedals (8), two ends of each sliding block (11) are connected with sliding block pull rods (10), the lower ends of the rear support frame (3) and the front support frame (9) are fixed through short rocker rods (4) and long rocker rods (12), and ratchet unidirectional rotation mechanisms, planetary gear boosters, Driven speed change mechanisms, bevel gear transmission mechanisms, brake mechanisms and speed regulation mechanisms are arranged between the.

2. The speed-variable speed skate of claim 1 wherein: the beam of the front support frame (9) is of a solid structure, the position of the bearing (23) is reserved at the bottom end of the front support frame (9), and the bearing (23) is fixed at the outermost end through a screw; the middle of a cross beam of the rear support frame (3) is of a hollow structure, a gear shaft (22) is installed inside the cross beam, a spherical gear box is arranged on the left side of the rear support frame (3) in a deviating mode and used for placing a conical gear transmission mechanism, and different platforms are arranged at the two ends of the rear support frame (3) and used for fixing a planetary gear reducer and a speed change mechanism.

3. The speed-variable speed skate of claim 1 wherein: the ratchet wheel one-way rotating mechanism mainly comprises a ratchet wheel (25), a clamping needle (24), a spring II (31) and a wheel disc (13), wherein the wheel disc (13) is fixedly connected with an external pull rod and can rotate on a rear support frame (3), the clamping needle (24) is installed on the wheel disc (13) and can rotate, the spring II (31) is used for enabling the clamping needle (24) to be in contact with the ratchet wheel (25), the wheel disc (13) is enabled to drive the ratchet wheel (25) to rotate when rotating forwards, power is transmitted to a planetary gear speed increaser (14), the ratchet wheel (25) does not rotate when rotating backwards, and the support can be enabled to retract without resistance.

4. The speed-variable speed skate of claim 1 wherein: the planetary gear speed increaser mainly comprises a planetary gear (28), a roller (33), a planetary gear support (27) and an inner gear ring gear (26), wherein the roller (33) and the planetary gear support (27) are fixed together, the planetary gear (28) is arranged on the planetary gear support (27), the speed increaser totally has five-stage speed increasing and layer-by-layer speed increasing, the power transmission mode is to transmit the power of a ratchet wheel (25) to the speed increaser, and finally, the power with high transmission and low torque is output.

5. The speed-variable speed skate of claim 1 wherein: the drive speed change mechanism mainly comprises a drive speed change mechanism driving wheel (16) and a drive speed change mechanism Driven wheel (17), five chain wheel rings are arranged on the driving wheel, the number of teeth on each chain wheel ring is different and gradually increases from inside to outside, the number of teeth on the outermost ring is about three times of that on the innermost side, the tooth-shaped structure can be just matched with the tooth-shaped structure of the Driven wheel, the Driven wheel can move on the five rings, different transmission ratios can be obtained when the Driven wheel moves to one ring, the axes of the Driven wheel and the driving wheel are vertical, the driving wheel is connected with the output end of the planetary gear speed increaser, the power transmission from the planetary gear speed increaser to the Driven wheel is obtained, the vertical transmission of the power is realized, and the speed.

6. The speed-variable speed skate of claim 1 wherein: bevel gear drive mechanism mainly comprises two bevel gears (21), hexagon transmission shaft (20) and gear shaft (22), hexagon transmission shaft (20) are fixed with less bevel gear (21), gear shaft (22) then with great bevel gear (21) connect the crossbeam the inside that the major axis worn rear support frame (3), both ends installation tire (5), two gears are then put in the gear box, it will drive bevel gear (21) and rotate to rotate when hexagon transmission shaft (20) rotates, realize the rotation of gear shaft (22), drive the rotation of tire (5) at last.

7. The speed-variable speed skate of claim 1 wherein: the return spring (2) is a contraction spring and has the function that when the foot is lifted up, the supports are contracted along with the foot, the included angle between the supports is reduced, and the height of the pedal is increased for the resetting process during the next power output.

8. The speed-variable speed skate of claim 1 wherein: the brake mechanism mainly comprises a brake disc (15), a brake (19) and an egg-shaped brake handle (30), wherein the brake disc (15) is fixed with a driving wheel (16) of a drive speed change mechanism, the brake (19) is fixed on a rear beam of a rear support frame (3), the brake disc (15) is clamped in the middle, a brake cable consists of an outer tube and a steel wire, one end of the brake cable is connected with the brake disc (15), the other end of the brake cable is connected with the egg-shaped brake handle (30), the egg-shaped brake handle (30) mainly consists of a roller (33) and wave teeth (32), the outer ring of the roller (33) is of a prismatic structure and is used for increasing friction, a middle circular groove part is used for a brake disc line, two brake cables of two feet are gathered together and wound on the roller (33) when the brake mechanism is used, and the effect of braking can be realized by rolling the roller (33) forwards.

9. The speed-variable speed skate of claim 1 wherein: the speed regulation mechanism mainly comprises an egg-shaped brake grip (30), a spring I (18) and a shifting block (29), the outer ring of a roller (33) is of a prismatic structure and used for increasing friction force, the middle circular groove part on the left side is used for coiling a speed change line, the wave teeth (32) are arranged on the right side, the spring I (18) is arranged between the wave teeth (32) and the egg-shaped shell and used for increasing the rotation resistance of the wave teeth (32) and the roller (33) and ensuring the position stability of the speed changer; one end of a speed changing wire is connected with an egg-shaped brake handle (30), one end of the speed changing wire is connected with a shifting block (29), a Driven wheel (17) of the drive speed changing mechanism moves to a certain position through the movement of the shifting block (29) and corresponds to the gear ring position of a driving wheel (16) of the drive speed changing mechanism, so that the speed changing purpose is realized, and a spring I (18) is fixed on the shifting block (29) and a support frame, so that the speed changing wire is in a tightened state.