CN217994676U

CN217994676U - Hand-operated power-assisted scooter turning system

Info

Publication number: CN217994676U
Application number: CN202221971034.1U
Authority: CN
Inventors: 陈建亨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-09
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a hand helping hand scooter turning system, connect in the seat that turns to of footboard front end including rotating, turn to and transversely install the rotatory drive shaft of drive mechanism drive on the seat, the both ends of drive shaft all rotate and are connected with the drive wheel, be provided with the gyration chamber in the shaft hole of drive wheel, the drive shaft is located to be fixed with on the axle section of gyration intracavity and is used for driving drive wheel pivoted round pin post. The turning system is compact in structure, so that the driving wheels on two sides of the scooter can not interfere with each other when turning.

Description

Hand-operated power-assisted scooter turning system

Technical Field

The utility model relates to a hand helping hand scooter turn system.

Background

The wheels of the common three-wheel or four-wheel power-assisted scooter are fixedly connected with the driving shaft, and the driving shaft is driven to rotate by the rotation of the driving mechanism (or pedals), so that the scooter body moves forwards. Because the wheel is fixed in the drive shaft for when helping hand scooter turned, the speed difference that can appear between the wheel of inboard wheel and the wheel of the outside, the wheel rotational speed of inboard wheel is less than the rotational speed of the wheel of the outside promptly, and when helping hand scooter turned, the condition of mutual interference can take place for the inside and outside wheel, turns to the difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hand helping hand scooter turn system, this turn system compact structure for the drive wheel of scooter both sides can not appear the condition of mutual interference when the turn.

The technical scheme of the utility model lies in: the utility model provides a hand helping hand scooter turn system, connects in the seat that turns to of footboard front end including rotating, turn to horizontal installation on the seat and be connected with the drive wheel by hand actuating mechanism drive rotation, the both ends of drive shaft are all rotated and are connected with the drive wheel, be provided with the gyration chamber in the shaft hole of drive wheel, the drive shaft is fixed with on being located the axle section of gyration intracavity and is used for driving drive wheel pivoted round pin post.

Furthermore, bearings connected with the driving shaft are fixed on two sides of the shaft hole of the driving wheel, and the rotary cavity is arranged between the two bearings.

Further, the gyration chamber is the radius that semicircle cavity and radius are greater than the shaft hole, the round pin post is radially fixed in on the drive shaft and one end exposes and is located the semicircle cavity.

Further, hand actuating mechanism includes upper portion and turns to the seat upper end looks articulated arc actuating lever, the upper end of arc actuating lever is connected with hand control rod, and the lower tip of arc actuating lever is provided with the rack, it turns to the seat and is provided with by rack drive and drive the rotatory ratchet gear transmission pair of drive shaft or one-way bearing gear steering pair.

Furthermore, the ratchet gear transmission pair comprises a transmission shaft rotatably arranged in the steering seat, a ratchet gear matched with the rack is arranged on the transmission shaft, a driving gear is further fixed on the transmission shaft, and the driving gear is meshed with a driven gear fixed on the driving shaft.

Furthermore, the one-way bearing gear steering pair comprises a transmission shaft which is rotatably arranged in a steering seat, the transmission shaft is provided with a one-way bearing gear matched with the rack through a one-way bearing, the transmission shaft is also fixedly provided with a driving gear, and the driving gear is meshed with a driven gear fixed on the driving shaft.

Further, the hand operating rod is a telescopic rod capable of being adjusted in a lifting mode.

Further, hand control pole includes the fixed cover that is connected with arc actuating lever upper end, be fixed with the outer tube on the fixed cover, the interval is provided with a plurality of locating holes from bottom to top on the outer tube, and the outer tube interpolation is equipped with interior sleeve pipe, interior sheathed tube lower extreme has the protruding button of elasticity with locating hole matched with, and interior sheathed tube upper end is fixed with the bar.

Furthermore, the upper part of the front end of the pedal is provided with an extension part which extends forwards and is rotatably connected with the upper end part of the steering seat, the lower end part of the steering seat is rotatably connected with a connecting block, and the connecting block is fixedly connected with the lower part of the front end of the pedal.

Furthermore, a pair of rollers is installed at the rear end of the pedal, a plastic braking plate is further fixed at the rear end of the pedal, and braking portions located on the upper sides of the rollers are arranged on two side portions of the plastic braking plate.

Compared with the prior art, the utility model has the advantages of it is following:

1. the turning system has a compact structure, so that the driving wheels at two sides of the scooter can not interfere with each other when turning; and is suitable for being installed on a four-wheel tool running at low speed.

2. This helping hand scooter of turn system shakes the control rod through the back and forth swing and drives the helping hand scooter and moves ahead, has changed original non-electric skateboard must continuous single pedal and has played ground, perhaps adjusts the health focus, comes the mode that the helping hand moved ahead. This helping hand scooter easy operation is favorable to the exercise of arm strength.

3. The height of the hand-operated control lever in the turning system is adjustable, and the hand-operated control lever is suitable for people with different heights to use.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a structural diagram of the driving wheel and driving shaft of the present invention;

FIG. 4 is a schematic view of the driving wheel of the present invention;

fig. 5 is a sectional view of the ratchet gear transmission pair of the present invention;

in the figure: 10-pedal 11-extension part 12-connecting block 13-bearing 20-steering seat 30-driving shaft 31-pin 40-driving wheel 41-rotary cavity 42-bearing 43-cover 44-locking bolt 45-shaft hole 50-arc driving rod 51-rack 52-pin shaft 60-hand control rod 61-fixed sleeve 62-outer sleeve 63-positioning hole 64-inner sleeve 65-elastic convex button 66-handrail rod 71-driving shaft 72-ratchet gear 73-driving gear 74-driven gear 75-one-way bearing gear 80-roller 90-plastic brake plate 91-brake part.

Detailed Description

In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.

Refer to fig. 1 to 5

The utility model provides a hand helping hand scooter turning system, connects in the seat 20 that turns to of footboard 10 front end including rotating, turn to and transversely install on the seat by the rotatory drive shaft 30 of hand actuating mechanism drive, the both ends of drive shaft all rotate and are connected with drive wheel 40, be provided with gyration chamber 41 in the shaft hole 45 of drive wheel, the drive shaft is located to be fixed with on the axle section of gyration intracavity and is used for driving drive wheel pivoted round pin post 31 to when normally traveling, through round pin post and the step face looks butt in gyration chamber, the realization drives the drive wheel and rotates. When turning, the rotating speed of the inner side driving wheel is lower than that of the outer side driving wheel, the inner side driving wheel moves reversely relative to the outer side driving wheel, the pin column and the driving shaft are driven to rotate reversely by the shaft hole semicircular step of the inner side driving wheel, the rotation cavity just provides the rotation space of the inner side driving wheel, mutual interference can not occur when turning, and the included angle of the rotation cavity is the rotation angle.

In this embodiment, in order to better provide a space for rotation, bearings 42 connected to the driving shaft are fixed on both sides of the shaft hole of the driving wheel, and the rotation cavity is disposed between the two bearings.

In this embodiment, in order to install the round pin post better and drive the drive wheel and rotate, the gyration chamber is the semicircle cavity, semicircle cavity and shaft hole set up with the axle center and the radius is greater than the radius in shaft hole, the tip of drive shaft radially is provided with the round pin hole, the round pin post is radially fixed in on the drive shaft and one end expose and lie in the semicircle cavity to make the semicircle cavity provide the space for the gyration of round pin post. The included angle of the semicircular cavities is the turning included angle, the included angle can be selected according to the turning requirement, and the turning design is suitable for four-wheel tools running at low speed.

In this embodiment, a cover 43 for covering the bearing is provided at the outer end surface of the driving wheel, and a locking bolt 44 for screwing the driving shaft is inserted, thereby covering the bearing.

In this embodiment, in order to drive the drive shaft and rotate, realize that the vehicle goes ahead, hand actuating mechanism includes upper portion through round pin axle 52 and steering seat upper end looks articulated arc actuating lever 50, the upper end of arc actuating lever is connected with hand control pole 60, and the lower tip of arc actuating lever is provided with rack 51, rack and arc actuating lever integrated into one piece. A ratchet gear transmission pair or a one-way bearing gear steering pair which is driven by a rack and drives a driving shaft to rotate is arranged in the steering seat, so that the driving shaft can be driven to rotate by driving the arc-shaped driving rod to reciprocate through the rocking control rod.

In this embodiment, the upper end of arc drive lever passes through the bolt locking at hand operating lever's lower extreme to hand operating lever can fold backward when loosening the bolt, portable and place.

In this embodiment, the ratchet gear transmission pair is including rotating the transmission shaft 71 of installing in turning to the seat, install on the transmission shaft with rack matched with ratchet gear 72, still be fixed with drive gear 73 on the transmission shaft, drive gear meshes with being fixed in the epaxial driven gear 74 of drive mutually to utilize ratchet gear's characteristic, it is rotatory towards a direction to drive ratchet gear through the rack, and rethread transmission shaft drives drive gear, and drive gear drives driven gear makes the rotatory scooter that realizes of drive shaft move.

In this embodiment, the one-way bearing gear steering pair includes a transmission shaft 71 rotatably mounted in a steering base, a one-way bearing gear 75 fitted to the rack is mounted on the transmission shaft via a one-way bearing, and a driving gear 73 is further fixed to the transmission shaft and engaged with a driven gear 74 fixed to the driving shaft. Thereby utilize the characteristic of one-way bearing gear, drive one-way bearing gear through the rack and make the transmission shaft can only make one direction rotatory, rethread transmission shaft drives drive gear, and drive gear drives driven gear and makes the rotatory scooter that realizes of drive shaft remove.

In this embodiment, in order to use the personnel of co-altitude not, hand operating rod is the telescopic link that can go up and down to adjust.

In this embodiment, in order to realize the altitude mixture control of hand control pole, hand control pole includes the fixed cover 61 with arc actuating lever upper end fixed connection, the fixed bolt that passes through vertical setting and the lower extreme fixed connection of outer tube 62 of sheatheeing in to hand control pole can fold backward when loosening the bolt, portable and place. A plurality of positioning holes 63 are arranged on the outer sleeve at intervals from bottom to top, an inner sleeve 64 is inserted in the outer sleeve, the lower end of the inner sleeve is provided with an elastic convex button 65 matched with the positioning holes, and the upper end of the inner sleeve is transversely fixed with a grab bar 66. Thereby the height adjustment is realized through the cooperation of the inner sleeve and the elastic convex button on the inner sleeve and different positioning holes.

In this embodiment, in order to realize the rotatable connection between the pedal and the steering seat, the upper end and the lower end of the steering seat are both provided with a rotating portion, the upper portion of the front end of the pedal is provided with an extending portion 11 which extends forwards and is rotatably connected with the upper end of the steering seat, and the rotating portion at the upper end is provided with a bearing 13 which is matched with the extending portion. The lower part of the front end of the pedal is fixedly provided with a connecting block 12 which is sleeved on the rotating part at the lower end of the steering seat through a bolt, so that the connecting block is rotatably connected with the rotating part at the lower end of the steering seat, and the pedal is convenient to rotate.

In this embodiment, the extension, the connecting block and the pedal cooperate to form a notch for mounting the steering seat so as to accommodate the steering seat.

In this embodiment, in order to let the scooter can be better move ahead, a pair of gyro wheel 80 is installed in the equal pivot of rear end portion of footboard, and the rear end portion of footboard still is provided with front end and footboard fixed connection's plastics braking vane 90, plastics braking vane cantilever end both sides portion all is provided with the brake portion 91 that is located the gyro wheel upside to realize the brake of gyro wheel when stepping on the plastics braking vane downwards.

In this embodiment, in order to ensure the strength of the pedal, the lower side surface of the pedal is provided with a reinforcing rib.

When the hand-operated vehicle body forward-moving device is used, the rack is driven by the hand-operated control rod, the rack drives the ratchet gear to rotate, the ratchet gear drives the driving shaft to rotate, and the driving shaft drives the driving wheels on the two sides to rotate so as to drive the vehicle body to move forward. The two sides of the shaft hole of the driving wheel are connected with the driving shaft through bearings, and the driving wheel is driven to rotate through the cooperation of the pin column arranged in the semicircular cavity between the two bearings and the platform interface of the semicircular cavity. When turning, the rotating speed of the inner side driving wheel is lower than that of the outer side driving wheel, the inner side driving wheel moves reversely relative to the outer side driving wheel, the shaft hole semicircular step of the inner side driving wheel can drive the pin column and the driving shaft to rotate reversely, the rotation cavity just provides a rotation space for the inner side driving wheel, and mutual interference can not occur during turning.

The above mentioned is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a hand helping hand scooter turn system, connects in the seat that turns to of footboard front end including rotating, its characterized in that, transversely install the drive shaft by hand actuating mechanism drive rotation on turning to the seat, the both ends of drive shaft all rotate and are connected with the drive wheel, be provided with the gyration chamber in the shaft hole of drive wheel, the drive shaft is fixed with on being located the axle section of gyration intracavity and is used for driving drive wheel pivoted round pin post.

2. The turning system of the hand-operated power-assisted scooter as claimed in claim 1, wherein bearings connected with the driving shaft are fixed on both sides of the shaft hole of the driving wheel, and the rotation cavity is arranged between the two bearings.

3. The hand-cranking power-assisted scooter turning system according to claim 1 or 2, wherein the turning cavity is a semicircular cavity and has a radius larger than that of the shaft hole, the pin is radially fixed on the driving shaft, and one end of the pin is exposed and positioned in the semicircular cavity.

4. The turning system of a hand-operated power-assisted scooter according to claim 1 or 2, wherein the hand-operated driving mechanism comprises an arc-shaped driving rod with an upper part hinged with the upper end of a steering seat, the upper end of the arc-shaped driving rod is connected with a hand-operated control rod, the lower end of the arc-shaped driving rod is provided with a rack, and a ratchet gear transmission pair or a one-way bearing gear steering pair which is driven by the rack and drives the driving shaft to rotate is arranged in the steering seat.

5. The hand-operated power-assisted scooter turning system as claimed in claim 4, wherein the ratchet gear transmission pair comprises a transmission shaft rotatably mounted in the steering base, the transmission shaft is provided with a ratchet gear matched with the rack, the transmission shaft is further fixed with a driving gear, and the driving gear is meshed with a driven gear fixed on the driving shaft.

6. The hand-operated power-assisted scooter turning system according to claim 4, wherein the one-way bearing gear steering pair comprises a transmission shaft rotatably mounted in the steering base, the transmission shaft is provided with a one-way bearing gear matched with the rack through a one-way bearing, the transmission shaft is further fixed with a driving gear, and the driving gear is meshed with a driven gear fixed on the driving shaft.

7. The hand-powered scooter turning system of claim 4, wherein the hand joystick is a telescopic rod that can be adjusted up and down.

8. The hand-operated power-assisted scooter turning system as claimed in claim 4, wherein the hand-operated control lever comprises a fixing sleeve connected with the upper end of the arc-shaped driving rod, an outer sleeve is fixed on the fixing sleeve, a plurality of positioning holes are arranged on the outer sleeve at intervals from bottom to top, an inner sleeve is inserted in the outer sleeve, the lower end of the inner sleeve is provided with an elastic convex button matched with the positioning hole, and the upper end of the inner sleeve is fixed with a grab bar.

9. The hand-operated power-assisted scooter turning system according to claim 1, 2, 5, 6, 7 or 8, wherein the upper part of the front end of the pedal is provided with an extension part which extends forwards and is rotatably connected with the upper end of the steering seat, the lower end of the steering seat is rotatably connected with a connecting block, and the connecting block is fixedly connected with the lower part of the front end of the pedal.

10. A turning system as claimed in claim 1, 2, 5, 6, 7 or 8, wherein a pair of rollers are installed at the rear end of the pedal, a plastic braking plate is fixed at the rear end of the pedal, and braking parts located at the upper sides of the rollers are arranged at the two sides of the plastic braking plate.