TRANSPORTATION MEANS USING DEVICE FOR CONVERTING RECIPROCATING RECTILINEAR MOTION INTO SINGLE-DIRECTION CIRCULAR MOTION

Abstract

A transportation means comprises a device for converting a reciprocating rectilinear motion into a single-direction circular motion, a power output mechanism and two co-axially arranged rotating shafts; a circular motion output mechanism of the device is in drive connection with the power output mechanism; each reciprocating rectilinear motion mechanism includes an elongated pedal; a bendable portion is disposed at the end of the elongated pedal distant from the device for converting a reciprocating rectilinear motion into a single-direction circular motion; the bendable portion is in rotational connection with the rotating shaft by means of a torsional spring, so that when the bendable portion rotates around one rotating shaft, the end of the elongated pedal proximate to the device for converting reciprocating rectilinear motion into single-direction circular motion performs small-curvature near-rectilinear motion. The transportation means enables a rider to ride more comfortably with less effort.

Claims

1. A transportation means comprising a device for converting a reciprocating rectilinear motion into a single-direction circular motion, a power output mechanism and two co-axially arranged rotating shafts; wherein the device for converting a reciprocating rectilinear motion into a single-direction circular motion comprises a device body as well as two reciprocating rectilinear motion mechanisms, a rectilinear motion conversion mechanism and a circular motion output mechanism that are arranged on the device body; the two reciprocating rectilinear motion mechanisms are respectively in drive connection with the rectilinear motion conversion mechanism; the rectilinear motion conversion mechanism is configured to convert the reciprocating rectilinear motion output from the two reciprocating rectilinear motion mechanisms into a double-direction circular motion; the rectilinear motion conversion mechanism is further in single-direction synchronous rotational connection with the circular motion output mechanism, and the circular motion output mechanism is configured to output a single-direction motion; the circular motion output mechanism is in drive connection with the power output mechanism; each reciprocating rectilinear motion mechanism comprises an elongated pedal; a bendable portion is disposed at an end of the elongated pedal distant from the device for converting a reciprocating rectilinear motion into a single-direction circular motion; and the bendable portion is in rotational connection with the corresponding rotating shaft by means of a torsional spring, so that when the bendable portion rotates around the corresponding rotating shaft, an end of the elongated pedal proximate to the device for converting a reciprocating rectilinear motion into a single-direction circular motion performs small-curvature near-rectilinear motion.

2. The transportation means according to claim 1, wherein, the device for converting a reciprocating rectilinear motion into a single-direction circular motion further comprises a rotating speed adjusting mechanism built in the device body; the rectilinear motion conversion mechanism is in single-direction synchronous rotational connection with the rotating speed adjusting mechanism; the rotating speed adjusting mechanism is in drive connection with the circular motion output mechanism; the rotating speed adjusting mechanism comprises N gear sets, wherein, N2; each gear set comprises a plurality of gears having different diameters; each gear set is respectively in synchronous rotational connection with a rotating shaft corresponding to the gear set; two ends of the rotating shaft corresponding to the gear set are respectively connected with the a bearing of the device body; the N gear sets are meshed in turn; the rotating shaft corresponding to a first gear set is a driving rotating shaft, and the rotating shaft corresponding to the Nth gear is in synchronous rotational connection with the circular motion output mechanism; and a plurality of shifters are arranged in the N gear sets so that adjacent gear sets shift between meshing manners under the driving of the shifters.

3. The transportation means according to claim 1, wherein, each reciprocating rectilinear motion mechanism further comprises a drive chain and a plurality pairs of chain wheels, the drive chain is tightly connected with an end of the elongated pedal proximate to the device for converting a reciprocating rectilinear motion into a single-direction circular motion, and the drive chain is in drive link connection with the plurality pairs of chain wheels and the rectilinear motion conversion mechanism.

4. The transportation means according to claim 1, wherein, each reciprocating rectilinear motion mechanism further comprises a rectilinear sliding rail, a sliding block structure arranged on the rectilinear sliding rail in a sliding manner, a drive chain and a plurality pairs of chain wheels fixedly connected with the sliding block structure; the rectilinear sliding rail is fixedly arranged on the device body; the sliding block structure comprises a sliding block body with a bearing groove and a bearing received in and capable of sliding freely in the bearing groove; the bearing is fixedly connected with an end of the elongated pedal proximate to the device for converting a reciprocating rectilinear motion into a single-direction circular motion; and the drive chain is in drive link connection with the plurality pairs of chain wheels and the rectilinear motion conversion mechanism.

5. The transportation means according to claim 1, wherein, the transportation means is a manual power vehicle or a child toy vehicle or a manual power ship or a manual power umbrella, and the power output mechanism is wheels of the manual power vehicle or wheels of the child toy vehicle or a propeller of the manual power ship or a propeller of the manual power umbrella.

6. The transportation means according to claim 2, wherein, the transportation means is a manual power vehicle or a child toy vehicle or a manual power ship or a manual power umbrella, and the power output mechanism is wheels of the manual power vehicle or wheels of the child toy vehicle or a propeller of the manual power ship or a propeller of the manual power umbrella.

7. The transportation means according to claim 3, wherein, the transportation means is a manual power vehicle or a child toy vehicle or a manual power ship or a manual power umbrella, and the power output mechanism is wheels of the manual power vehicle or wheels of the child toy vehicle or a propeller of the manual power ship or a propeller of the manual power umbrella.

8. The transportation means according to claim 4, wherein, the transportation means is a manual power vehicle or a child toy vehicle or a manual power ship or a manual power umbrella, and the power output mechanism is wheels of the manual power vehicle or wheels of the child toy vehicle or a propeller of the manual power ship or a propeller of the manual power umbrella.

Description

DESCRIPTION OF THE DRAWINGS

[0013] In order to make the technical solutions in the disclosure or in the prior art described more clearly, the drawings associated to the description of the embodiments or the prior art will be illustrated concisely hereinafter. Obviously, the drawings described below are only some embodiments according to the disclosure. Numerous drawings therein will be apparent to one of ordinary skill in the art based on the drawings described in the disclosure without creative efforts.

[0014] FIG. 1 is a structural diagram of a transportation means using a device for converting a reciprocating rectilinear motion into a single-direction circular motion according to embodiment 1;

[0015] FIG. 2 is a structural diagram of the transportation means using the device for converting a reciprocating rectilinear motion into a single-direction circular motion without a device body shown in FIG. 1;

[0016] FIG. 3 is a structural diagram of the transportation means using the device for converting a reciprocating rectilinear motion into a single-direction circular motion without a device body according to embodiment 2; and

[0017] FIG. 4 is a structural diagram of the transportation means using the device for converting a reciprocating rectilinear motion into a single-direction circular motion with partial exploded components shown FIG. 3.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

[0018] The technical solution in embodiments of the disclosure will be clearly and thoroughly described in combination with drawings in embodiments of the disclosure. Apparently, the described embodiments are only a part of embodiments but not all the embodiments. Based on embodiments described in the disclosure, numerous embodiments therein apparent to those of ordinary skill in the art without creative effort shall fall within the protection scope of the disclosure.

Embodiment 1

[0019] As shown in FIG. 1 and FIG. 2, this embodiment provides a transportation means 1 comprising a device 11 for converting a reciprocating rectilinear motion into a single-direction circular motion, a power output mechanism 12 and two co-axially arranged rotating shafts 13. The device 11 for converting a reciprocating rectilinear motion into a single-direction circular motion includes a device body 111 as well as two reciprocating rectilinear motion mechanisms 112, a rectilinear motion conversion mechanism 113 and a circular motion output mechanism 114 that are arranged on the device body 111. The two reciprocating rectilinear motion mechanisms 112 are respectively in drive connection with the rectilinear motion conversion mechanism 113. The rectilinear motion conversion mechanism 113 is configured to convert the reciprocating rectilinear motion output from the two reciprocating rectilinear motion mechanisms 112 into a double-direction circular motion. The rectilinear motion conversion mechanism 113 is further in single-direction synchronous rotational connection with the circular motion output mechanism 114. The circular motion output mechanism 114 is configured to output a signal-direction circular motion. The circular motion output mechanism 114 is in drive connection with the power output mechanism 12. Each reciprocating rectilinear motion mechanism 112 includes an elongated pedal 1121, a bendable portion 11211 is disposed at the end of the elongated pedal 1121 distant from the device 11 for converting a reciprocating rectilinear motion into a single-direction circular motion. The bendable portion 11211 is in rotational connection with the rotating shaft 13 by means of a torsional spring 131, so that when the bendable portion 11211 rotates around the corresponding rotating shaft 13, the end of the elongated pedal 1121 proximate to the device 11 for converting a reciprocating rectilinear motion into a single-direction circular motion performs small-curvature near-rectilinear motion.

[0020] In this embodiment, as shown in FIG. 2, the device 11 for converting a reciprocating rectilinear motion into a single-direction circular motion further includes a rotating speed adjusting mechanism 115 built in the device body 111. The rectilinear motion conversion mechanism 113 is in single-direction synchronous rotational connection with the rotating speed adjusting mechanism 115, and the rotating speed adjusting mechanism 115 is in drive connection with the circular motion output mechanism 114. Particularly, the rotating speed adjusting mechanism 115 comprises N gear sets, wherein, N2. Each gear set includes a plurality of gears having different diameters. Each gear set is respectively in synchronous rotational connection with a rotating shaft corresponding to the gear set. Two ends of the rotating shaft corresponding to the gear set are respectively connected with the a bearing of the device body 111. The N gear sets are meshed in turn. The rotating shaft corresponding to a first gear set is a driving rotating shaft, and the rotating shaft of the Nth gear set is in synchronous rotational connection with the circular motion output mechanism 114. A plurality of shifters are arranged in the N gear sets so that adjacent gear sets shift between meshing manners under the driving of the shifters to achieve the objective of shifting an output torque and a rotating speed.

[0021] As shown in FIG. 1 and FIG. 2, the transportation means 1 is particularly a manual power vehicle, the power output mechanism 12 is wheels of the manual power vehicle, and two co-axially arranged rotating shafts 13 are oppositely arranged at two sides of the rear wheel of the manual power vehicle. Each reciprocating rectilinear motion mechanism 112 further includes a drive chain 1122 and a plurality pairs of chain wheels 1123. The drive chain 1122 is tightly connected with an end of the elongated pedal 1121 proximate to the device 11 for converting the reciprocating rectilinear motion into the single-direction circular motion, and the drive chain 1122 and the plurality pairs of chain wheels 1123 are in drive link connection with the rectilinear motion conversion mechanism 113.

Embodiment 2

[0022] As shown in FIG. 3 and FIG. 4, this embodiment provides a transportation means 2 comprising a device 21 for converting a reciprocating rectilinear motion into a single-direction circular motion. The transportation means 2 differs from the transportation means 1 in embodiment 1 in that a reciprocating rectilinear motion mechanism 112 of the device 21 for converting a reciprocating rectilinear motion into a single-direction circular motion further includes a rectilinear sliding rail 2124, a sliding block structure 2125 arranged on the rectilinear sliding rail 2124 in a sliding manner, a drive chain 2124 and a plurality pairs of chain wheels 2123 fixedly connected with the sliding block structure 2125. The rectilinear sliding rail 2124 is fixedly arranged on the device body (not shown), the sliding block structure 2125 includes a sliding block body 21252 with a bearing groove 21251 and a bearing 21253 placed in and capable of sliding freely in the bearing groove 21251. The bearing 21253 is fixedly connected with an end of the elongated pedal 2121 proximate to the device 21 for converting a reciprocating rectilinear motion into a single-direction circular motion, and the drive chain 2122 is in drive link connection with the plurality pairs of chain wheels 2123 and the rectilinear motion conversion mechanism 213.

[0023] In addition, the transportation means using the device for converting a reciprocating rectilinear motion into a single direction circular motion, besides being the manual power vehicle mentioned in embodiment 1 and embodiment 2, can further be a child toy vehicle or a manual power ship or a manual power umbrella or other transportation means using manual power. Correspondingly, the power output mechanism is wheels of the child toy vehicle or a propeller of the manual power ship or a propeller of the manual power umbrella

[0024] The disclosure provides a transportation means using a device for converting a reciprocating rectilinear motion into a single-direction circular motion. Its reciprocating rectilinear motion mechanism adopts an elongated pedal, so that the tread area of the user is greatly increased, and the user can more comfortably tread. Meanwhile, since the bendable portion is disposed at the end of the elongated pedal distant from the device for converting a reciprocating rectilinear motion into a single-direction circular motion, the bendable portion is in rotational connection with the rotating shaft by means of a torsional spring, so that when the bendable portion rotates around the rotating shaft, the end of the elongated pedal proximate to the device for converting a reciprocating rectilinear motion into a single-direction circular motion performs small-curvature near-rectilinear motion. The user's experience can be improved by replacing an original pure rectilinear motion with a small-curvature near-rectilinear motion, and the arrangement of the torsional spring can further save the physical labor of the user. Accordingly, the transportation means using the device for converting a reciprocating rectilinear motion into a single-direction circular motion enables a rider to ride more comfortably with less effort.

[0025] The above is only preferred embodiments of the disclosure but is not intended to limit the disclosure, and any modification, equivalent substitution, improvements and the like made within the spirit and principle of the disclosure are all included within the protection scope of the disclosure.