CN214565969U - Pedal type driving device - Google Patents
Pedal type driving device Download PDFInfo
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- CN214565969U CN214565969U CN202120813427.9U CN202120813427U CN214565969U CN 214565969 U CN214565969 U CN 214565969U CN 202120813427 U CN202120813427 U CN 202120813427U CN 214565969 U CN214565969 U CN 214565969U
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Abstract
The utility model provides a pedal type driving device, which comprises a main transmission shaft, a gear speed-raising transmission mechanism, two one-way bearings, two power input rockers and a power input rocker reset mechanism; the main transmission shaft is of a hollow tubular shaft structure, and a gear speed-raising transmission mechanism and two one-way bearings are sleeved outside the main transmission shaft at intervals; the gear set of the gear speed-raising transmission mechanism is positioned in the gear box, the gear box is rotationally connected with the main transmission shaft and is fixedly connected with a frame of an external vehicle body, an input gear of the gear set is fixedly connected with the main transmission shaft, an output gear of the gear set is rotationally sleeved on the main transmission shaft, the output gear is connected with wheels of the external vehicle body through a driving structure, and the driving structure is positioned outside the gear box; the two one-way bearings are respectively positioned at two opposite sides of the gear speed-raising transmission mechanism, the inner ring of each one-way bearing is fixedly connected with the main transmission shaft, and the outer ring of each one-way bearing is fixedly connected with one end of a power input rocker. The utility model discloses can solve crank drive mechanism and have mechanical transmission 'dead point' and the problem that transmission efficiency is low.
Description
Technical Field
The utility model belongs to the technical field of footboard formula drive instrument technique and specifically relates to a be applicable to the manpower and pedal and step on drive instrument, specifically be a footboard formula drive arrangement.
Background
The bicycle is a common environment-friendly transportation tool for people to go out and carry loads, generally the bicycle adopts a driving mechanism with a crank to do circular motion, and the pedaling force does not generate driving force on the crank transmission mechanism because the torque of the pedaling force on the crank transmission mechanism is zero when the pedaling force direction passes through the rotating axis of the crank. That is, the crank mechanism has a "dead point" of mechanical transmission, and the pedaling force generates a small driving force near the "dead point" and the transmission efficiency is low, but the maximum driving force is generated by the crank mechanism when the pedaling force direction is perpendicular to the crank axis.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a pedal driving device to solve the problems of mechanical transmission "dead point" and low transmission efficiency of a crank transmission mechanism.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a pedal type driving device comprises a main transmission shaft, a gear speed-raising transmission mechanism, two one-way bearings, two power input rockers and a power input rocker reset mechanism;
the main transmission shaft is of a hollow tubular shaft structure, and the gear speed-raising transmission mechanism and two one-way bearings are sleeved outside the main transmission shaft at intervals;
the gear set of the gear speed-raising transmission mechanism is positioned in a gear box, the gear box is rotatably connected with a main transmission shaft and is fixedly connected with a frame of an external vehicle body, a bearing plate is fixedly connected outside the gear box, an input gear of the gear set is fixedly connected with the main transmission shaft, an output gear of the gear set is rotatably sleeved on the main transmission shaft, the output gear is connected with wheels of the external vehicle body through a driving structure, and the driving structure is positioned outside the gear box;
the two one-way bearings are respectively positioned at two opposite sides of the gear speed-raising transmission mechanism, the rotating directions of outer rings of the two one-way bearings are opposite, an inner ring of each one-way bearing is fixedly connected with a main transmission shaft, an outer ring of each one-way bearing is fixedly connected with one end of a power input rocker, the other end of the power input rocker is provided with a pedal, each power input rocker is arranged along the radial direction of the one-way bearing, and the two power input rockers are positioned at the same side of the main transmission shaft;
the power input rocker resetting mechanism comprises a connecting shaft, a connecting shaft oscillating bar, a first connecting rod, a second connecting rod, a resetting oscillating bar, a first articulated shaft, a second articulated shaft, a third articulated shaft and a fourth articulated shaft, wherein the connecting shaft penetrates through a main transmission shaft and is rotatably connected with the main transmission shaft, two ends of the connecting shaft extend out of the main transmission shaft, one end of the connecting shaft is fixedly connected with an outer ring of a one-way bearing, the other end of the connecting shaft oscillating bar is fixedly connected with one end of the connecting shaft oscillating bar, the other end of the connecting shaft oscillating bar is provided with the first articulated shaft and is articulated with one end of the first connecting rod through the first articulated shaft, the other end of the first connecting rod and one end of the second connecting rod are articulated with one end of the resetting oscillating bar through the second articulated shaft, the other end of the resetting oscillating bar is articulated with one end of a bearing plate which is not connected with one end of a gear box through the third articulated shaft, and the other end of the second connecting rod is articulated with the outer ring of another one-way bearing through the fourth articulated shaft, the fourth hinge shaft, the first hinge shaft, the second hinge shaft and the third hinge shaft are all parallel to the connecting shaft, and the third hinge shaft is also positioned above the other one-way bearing.
Further, the gear train includes input gear, output gear, gear shaft and intermediate gear, the both ends of gear shaft are rotated and are connected the gear box, its with input gear meshing connects, the fixed cover of intermediate gear is established on the gear shaft, and with output gear meshing connects.
Further, the driving structure is a chain wheel transmission mechanism, a driving chain wheel of the chain wheel transmission mechanism is fixedly connected with the output gear, and the driving chain wheel is further rotatably sleeved outside the main transmission shaft.
Furthermore, the driving structure comprises a driving one-way bearing and a wheel shaft shell, the driving one-way bearing is rotatably mounted on the main transmission shaft through an output gear, an inner ring of the driving one-way bearing is fixedly connected with the output gear, an outer ring of the driving one-way bearing is fixedly connected with the wheel shaft shell, the wheel shaft shell is sleeved outside the gear box and is rotatably connected with the gear box, one end of the gear box extends out of the outer side of the wheel shaft shell and is fixedly connected with the supporting plate on the outer side of the wheel shaft shell, and the gear box is further fixedly connected with a frame of an external vehicle body through the supporting plate.
Furthermore, the outside of the main transmission shaft is rotatably sleeved with a fixed bearing plate, the fixed bearing plate and the bearing plate are respectively arranged on two opposite sides of the wheel axle housing and are positioned between the two one-way bearings, and the fixed bearing plate and the bearing plate are fixedly connected with a frame of an external vehicle body.
Furthermore, the one-way bearing is arranged in the one-way bearing box, the one-way bearing box is fixedly connected with the outer ring of the one-way bearing, the fourth hinged shaft is fixedly connected to the outside of the one-way bearing box, the connecting shaft is fixedly connected with the bearing box end cover, and the bearing box end cover is fixedly connected to the one-way bearing box.
Further, the first hinge shaft and the fourth hinge shaft are located at opposite sides of the center of the one-way bearing.
The utility model discloses still provide another kind of technical scheme in order to solve the technical problem that the background art provided, specifically do:
a pedal type driving device comprises a main transmission shaft, a gear speed-raising transmission mechanism, two one-way bearings, two power input rockers and a power input rocker reset mechanism;
the main transmission shaft is of a hollow tubular shaft structure, and the gear speed-raising transmission mechanism and two one-way bearings are sleeved outside the main transmission shaft at intervals;
the gear set of the gear speed-raising transmission mechanism is positioned in a gear box, the gear box is rotatably connected with a main transmission shaft and is fixedly connected with a frame of an external vehicle body, a bearing plate is fixedly connected outside the gear box, an input gear of the gear set is fixedly connected with the main transmission shaft, an output gear of the gear set is rotatably sleeved on the main transmission shaft, the output gear is connected with wheels of the external vehicle body through a driving structure, and the driving structure is positioned outside the gear box;
the two one-way bearings are positioned at the same side of the gear speed-raising transmission mechanism, the rotating directions of the outer rings of the two one-way bearings are opposite, the inner ring of each one-way bearing is fixedly connected with a main transmission shaft, the outer ring of the one-way bearing which is relatively far away from the gear speed-raising transmission mechanism is fixedly connected with one end of a power input rocker, one end of the other power input rocker is fixedly connected with a connecting shaft of the power input rocker resetting mechanism, the other ends of the two power input rockers are provided with pedals, the two power input rockers are both arranged along the radial direction of the main transmission shaft, and the two power input rockers are positioned at the same side of the main transmission shaft;
the power input rocker resetting mechanism comprises the connecting shaft, a first connecting rod, a second connecting rod, a resetting swing rod, a first hinging shaft, a second hinging shaft, a third hinging shaft and a fourth hinging shaft, the connecting shaft penetrates through the inside of the main transmission shaft and is rotatably connected with the main transmission shaft, two ends of the connecting shaft extend out of the main transmission shaft, one end of the connecting shaft is fixedly connected with the power input rocker, the other end of the connecting shaft is fixedly connected with an outer ring of a one-way bearing relatively far away from the gear raising transmission mechanism, one end of the first connecting rod is hinged with the outer ring of the one-way bearing through the first hinging shaft, the other end of the first connecting rod and one end of the second connecting rod are hinged with one end of the resetting swing rod through the second hinging shaft, the other end of the resetting swing rod is hinged with one end of a supporting plate through the third hinging shaft and not connected with one end of a gear box, the other end of the second connecting rod is hinged with the outer ring relatively close to the one-way bearing of the gear raising transmission mechanism through the fourth hinging shaft, the fourth articulated shaft and the first articulated shaft, the second articulated shaft and the third articulated shaft are all parallel to the connecting shaft, and the third articulated shaft is also positioned above the one-way bearing.
Further, the driving structure is a chain wheel transmission mechanism, a driving chain wheel of the chain wheel transmission mechanism is fixedly connected with the output gear, and the driving chain wheel is further rotatably sleeved outside the main transmission shaft.
Furthermore, the driving structure comprises a driving one-way bearing and a wheel shaft shell, the driving one-way bearing is rotatably mounted on the main transmission shaft through an output gear, an inner ring of the driving one-way bearing is fixedly connected with the output gear, an outer ring of the driving one-way bearing is fixedly connected with the wheel shaft shell, the wheel shaft shell is sleeved outside the gear box and is rotatably connected with the gear box, one end of the gear box extends out of the outer side of the wheel shaft shell and is fixedly connected with the supporting plate on the outer side of the wheel shaft shell, and the gear box is further fixedly connected with a frame of an external vehicle body through the supporting plate.
Based on the above technical scheme, the utility model discloses a principle does: the pedal on the power input rocker which is not connected with the power input rocker resetting mechanism is stepped down, so that the one-way bearing connected with the pedal respectively drives the main transmission shaft and the connecting shaft of the power input rocker resetting mechanism to rotate, wherein the main transmission shaft drives the gear speed-raising transmission mechanism to rotate while rotating, so as to drive the wheel to rotate through the driving structure, namely, the work done by the pedaling force of the power input rocker is transmitted to the wheel to realize speed raising; when the pedal on the power input rocker on the one-way bearing connected with the power input rocker resetting mechanism is stepped down, the main transmission shaft keeps the original rotation direction to continue rotating, so that the gear speed-raising transmission mechanism continuously transmits power to the driving structure, the first connecting rod is driven to rotate reversely by the reverse rotation of the second connecting rod hinged with the one-way bearing, the first connecting rod drives the connecting shaft to rotate reversely through the connecting shaft oscillating bar, that is, the rotation directions of the connecting shaft and the main transmission shaft are opposite, the reverse rotation of the connecting shaft drives the one-way bearing which is not connected with the power input rocker reset mechanism and the power input rocker connected with the one-way bearing to reversely rotate, this power input rocker resets from supreme down, like this, steps on the pedal of this power input rocker down once more, can make another power input rocker reset from supreme down again, so relapse, can realize advancing of outside automobile body.
Based on the foregoing, the utility model discloses a drive arrangement's drive power is powerful, and the power of pedaling does work is efficient, uses on the bicycle, and the power input rocker can be on the efficient horizontal position that does work luffing motion and need not to do circular motion, consequently, the power input rocker can be extended to 35 centimetres or longer, and this is more than the twice of ordinary bicycle crank length, so, uses the utility model discloses a drive arrangement can make the output power of automobile body very big, namely, can make the speed of automobile body very fast, and the loading capacity is the grow also.
Drawings
Fig. 1 is a front view provided by the first embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along plane a according to a first embodiment of the present invention.
Fig. 3 is a front view provided by the second embodiment of the present invention.
Fig. 4 is a cross-sectional view taken along plane B according to the second embodiment of the present invention.
Fig. 5 is a front view provided by the third embodiment of the present invention.
Fig. 6 is a cross-sectional view taken along plane C according to the third embodiment of the present invention.
Fig. 7 is a front view provided by the fourth embodiment of the present invention.
Fig. 8 is a cross-sectional view taken along plane D according to the fourth embodiment of the present invention.
The transmission mechanism comprises a main transmission shaft 1, a unidirectional bearing 2, a unidirectional bearing box 3, a unidirectional bearing box 3.1, a bearing box end cover 4, a gear speed-raising transmission mechanism 4.1, a gear box 4.2, an input gear 4.3, a gear shaft 4.4, an intermediate gear 4.5, an output gear 4.6, a bearing plate 5, a needle bearing 6, a driving chain wheel 7, a power input rocker 7.1, a pedal 7.1, a power input rocker reset mechanism 8.1, a connecting shaft 8.2, a connecting shaft rocker 8.3, a first connecting rod 8.4, a second connecting rod 8.5, a reset rocker 8.6, a first articulated shaft 8.7, a second articulated shaft 8.8, a third articulated shaft 8.9, a fourth articulated shaft 9.1, a driving unidirectional bearing 9.2, a wheel shaft shell 9.3 and a fixed bearing plate 9.3.
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. The drawings are only for purposes of illustration and are only schematic and non-limiting, and certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product, so that it may be understood that certain well-known structures, elements and descriptions thereof in the drawings may be omitted for better illustrating the embodiments of the present invention, and the drawings illustrate the drawings and do not represent the orientation of the actual product.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, 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.
Example one
Referring to fig. 1-2, in a first embodiment of the present invention, a pedal 7.1 type driving device includes a main rotating shaft 1, a gear speed-increasing transmission mechanism 4, two one-way bearings 2, two power input rockers 7 and a power input rocker reset mechanism 8.
The main rotating shaft 1 is of a hollow tubular shaft structure, and the gear speed-raising transmission mechanism 4 and the two one-way bearings 2 are sleeved outside the main rotating shaft at intervals.
The gear set of the gear speed-raising transmission mechanism 4 is located in a gear box 4.1, the gear box 4.1 is rotatably connected with a main rotating shaft 1 and fixedly connected with a frame of an external vehicle body, a bearing plate 4.6 is fixedly connected to the outside of the gear box 4.1, an input gear 4.2 of the gear set is fixedly connected with the main rotating shaft 1, an output gear 4.5 of the gear set is rotatably sleeved on the main rotating shaft 1, the output gear 4.5 is connected with a wheel of the external vehicle body through a driving structure, and the driving structure is located on the outer side of the gear box 4.1 so as to transmit input power to the wheel through the driving structure, and rotation speed raising of the wheel is realized. Wherein, in this embodiment, the gear box 4.1 is rotatably connected to the main rotating shaft 1 through a flange bearing, the gear set includes the input gear 4.2, the output gear 4.5, a gear shaft 4.3 and an intermediate gear 4.4, the input gear 4.2 is fixedly connected to the main rotating shaft 1 through a key connection, the output gear 4.5 is rotatably mounted on the main rotating shaft 1 through a needle bearing 5, one end of the output gear 4.5 extends out of the gear box 4.1 and is connected to the driving structure through a key connection outside the gear box 4.1, two ends of the gear shaft 4.3 are rotatably connected to the gear box 4.1 through a bearing and is connected to the input gear 4.2 in a meshing manner, the intermediate gear 4.4 is fixedly arranged on the gear shaft 4.3 through a key connection and is connected to the output gear 4.5 in a meshing manner, in particular to the part of the output gear 4.5 located in the gear box 4.1, and drives the input gear 4.2 to rotate through the main rotating shaft 1, the input gear 4.2 sequentially passes through the gear shaft 4.3, the intermediate gear 4.4 and the output gear 4.5 to transmit power to the driving structure, and then the driving structure is driven to rotate so as to drive the wheels to rotate and move forwards. Preferably, in this embodiment, the drive structure is sprocket drive mechanism, sprocket drive mechanism's drive sprocket 6 links firmly on output gear 4.5, drive sprocket 6 still rotates the cover and establishes in main axis of rotation 1 outside, and is concrete, and drive sprocket 6 and input gear 4.2 divide and establish in output gear 4.5's relative both sides, and drive sprocket 6 is established in output gear 4.5's outside towards output gear 4.5's one end screw thread cover, promptly, through threaded connection mode fixed connection between drive sprocket 6 and the output gear 4.5.
The two one-way bearings 2 are respectively positioned on two opposite sides of the gear speed-raising transmission mechanism 4, the rotating directions of outer rings of the two one-way bearings are opposite, an inner ring of each one-way bearing 2 is fixedly connected with the main rotating shaft 1, the one-way bearings are fixedly connected in a key connection mode, an outer ring of each one-way bearing 2 is fixedly connected with one end of a power input rocker 7, preferably, the one-way bearing 2 is arranged in a one-way bearing box 3, the one-way bearing box 3 is fixedly connected with the outer ring of the one-way bearing 2 so as to protect the one-way bearing 2, the other end of the power input rocker 7 is provided with a pedal, each power input rocker 7 is arranged along the radial direction of the one-way bearing 2, the two power input rockers 7 are positioned on the same side of the main rotating shaft 1, and the pedal positions of the two power input rockers are staggered up and down.
The power input rocker resetting mechanism 8 comprises a connecting shaft 8.1, a connecting shaft oscillating bar 8.2, a first connecting rod 8.3, a second connecting rod 8.4, a resetting oscillating bar 8.5, a first articulated shaft 8.6, a second articulated shaft 8.7, a third articulated shaft 8.8 and a fourth articulated shaft 8.9. The connecting shaft 8.1 penetrates through the main rotating shaft 1 and is rotatably connected with the main rotating shaft 1, the connecting shaft is rotatably installed on the main rotating shaft 1 through a needle bearing 5, two ends of the connecting shaft 8.1 extend out of the main rotating shaft 1, one end of the connecting shaft 8.1 is fixedly connected with an outer ring of a one-way bearing 2, the one-way bearing 2 is fixedly connected with a bearing box end cover 3.1 on the one-way bearing box 3, the connecting shaft 8.1 is fixedly connected with the bearing box end cover 3.1 through a key connection, the other end of the connecting shaft 8.1 is fixedly connected with one end of the connecting shaft swing rod 8.2, the other end of the connecting shaft swing rod 8.2 is provided with a first hinge shaft 8.6 and is hinged with one end of a first connecting rod 8.3 through the first hinge shaft 8.6, the other end of the first connecting rod 8.3 and one end of a second connecting rod 8.4 are both hinged with one end of a reset swing rod 8.5 through a second hinge shaft 8.7, the other end of the reset swing rod 8.5 is hinged with one end of a third hinge shaft 8.8 without being connected with one end of the gear box supporting plate 4.6, the other end of second connecting rod 8.4 articulates on another one-way bearing 2's outer lane through fourth articulated shaft 8.9, and is concrete, one-way bearing 2 is connected through the mode that links firmly in one-way bearing box 3's outside to fourth articulated shaft 8.9, fourth articulated shaft 8.9 and first articulated shaft 8.6, second articulated shaft 8.7, third articulated shaft 8.8 all are on a parallel with connecting axle 8.1, third articulated shaft 8.8 still is located this another one-way bearing 2's top, first articulated shaft 8.6 and fourth articulated shaft 8.9 are located the relative both sides in one-way bearing 2 center, and rotation direction between them is opposite. Through the arrangement, the two power input rocking rods 7 can swing up and down to reset in the operation process.
Example two
Referring to fig. 3-4, in a second embodiment of the present invention, the driving structure is not a sprocket transmission mechanism, which does not transmit power to the wheel by chain transmission, but transmits power by other means, specifically as follows:
the driving structure comprises a driving one-way bearing 9.1 and a wheel shaft shell 9.2, the driving one-way bearing 9.1 is rotatably installed on the main rotating shaft 1 through an output gear 4.5, an inner ring of the driving one-way bearing is fixedly connected with the output gear 4.5, and is fixedly connected in a key connection mode, an outer ring of the driving one-way bearing 9.1 is fixedly connected with the wheel shaft shell 9.2, the wheel shaft shell 9.2 is sleeved outside the gear box 4.1 and is rotatably connected with the gear box 4.1, and is rotatably installed on the gear box 4.1 through a bearing, one end of the gear box 4.1 extends out of the outer side of the wheel shaft shell 9.2 and is fixedly connected with a supporting plate 4.6 on the outer side of the wheel shaft shell 9.2, and the gear box 4.1 is fixedly connected with a frame of an external vehicle body through the supporting plate 4.6, so that the device is fixed with the frame. Further, in order to fix the device to an external vehicle body, a fixed support plate 9.3 is rotatably sleeved outside the main rotating shaft 1 and is specifically rotatably mounted on the main rotating shaft 1 through a flange bearing, the fixed support plate 9.3 and the support plate 4.6 are respectively arranged on two opposite sides of the wheel shaft shell 9.2 and are located between the two one-way bearings 2, and both the fixed support plate and the fixed support plate are fixedly connected with a frame of the external vehicle body and are specifically fixedly connected with a rear fork connecting plate of the frame.
In the present embodiment, the configuration is completely the same as that of the first embodiment except that the configuration of the driving structure (directly connected to the wheel) is different.
EXAMPLE III
Referring to fig. 5 to 6, in a third embodiment of the present invention, a pedal driving device includes a main rotating shaft 1, a gear speed-increasing transmission mechanism 4, two one-way bearings 2, two power input rockers 7, and a power input rocker reset mechanism 8. In the embodiment, the main structure of the main rotating shaft 1, the gear speed-up transmission mechanism, the two one-way bearings 2, the two power input rockers 7 and the power input rocker reset mechanism 8 is the same, but the difference is that:
firstly, two one-way bearings 2 are located on the same side of the gear raising transmission mechanism 4, the outer ring of the one-way bearing 2 relatively far away from the gear raising transmission mechanism 4 is fixedly connected with one end of a power input rocker 7, specifically is fixedly connected to a one-way bearing box 3 sleeved outside the one-way bearing 2, one end of another power input rocker 7 is fixedly connected to a connecting shaft 8.1 of a power input rocker resetting mechanism 8, and is specifically fixedly connected through key connection.
Secondly, the power input rocker resetting mechanism 8 does not include a connecting shaft swing rod 8.2, that is, the power input rocker resetting mechanism 8 includes the connecting shaft 8.1, a first connecting rod 8.3, a second connecting rod 8.4, a resetting swing rod 8.5, a first articulated shaft 8.6, a second articulated shaft 8.7, a third articulated shaft 8.8 and a fourth articulated shaft 8.9, wherein one end of the connecting shaft 8.1 is fixedly connected with the power input rocker 7, the other end is fixedly connected with an outer ring of the one-way bearing 2 relatively far away from the gear speed-raising transmission mechanism 4, specifically is fixedly connected with a bearing box end cover 3.1 of the one-way bearing box 3 outside the one-way bearing 2, one end of the first connecting rod 8.3 is articulated with an outer ring of the one-way bearing 2 through the first articulated shaft 8.6, specifically is fixedly connected with the one-way bearing box 3 outside the one-way bearing 2, and the other end of the first connecting rod 8.3 and one end of the second connecting rod 8.4 are both articulated with one end of the second articulated shaft 8.7, the other end of the reset swing rod 8.5 is hinged with one end of the bearing plate 4.6 through a third hinged shaft 8.8 and is not connected with one end of the gear box 4.1, and the other end of the second connecting rod 8.4 is hinged with an outer ring of a one-way bearing 2 relatively close to the gear speed-raising transmission mechanism 4 through a fourth hinged shaft 8.9 and is specifically fixedly connected with a one-way bearing box 3 outside the one-way bearing 2. Further, the first connecting rod 8.3 and the second connecting rod 8.4 are arranged between the two one-way bearings 2 and are respectively arranged on two opposite sides of the main rotating shaft 1.
Further, the driving structure is a chain wheel transmission mechanism, a driving chain wheel 6 of the chain wheel transmission mechanism is fixedly connected with an output gear 4.5, and the driving chain wheel 6 is further rotatably sleeved outside the main rotating shaft 1.
Example four
Referring to fig. 7-8, in a fourth embodiment of the present invention, a pedal driving device has substantially the same structure as that of the third embodiment, except that the driving structure of the present embodiment is not a sprocket transmission mechanism used in the third embodiment, but is a driving structure used in the second embodiment, that is, the driving structure includes a driving one-way bearing 9.1 and a wheel axle housing 9.2, and more particularly, the second embodiment of the present invention is described in detail.
It should be noted that the utility model discloses except being applied to two-wheeled bicycle and tricycle load bicycle, but also wide application in agricultural machinery such as ploughing, intertillage, seeding, results and water pump of nonirrigated farmland, specially adapted not suitable for terraced fields and big-arch shelter that large-scale machinery got into to plant and use.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. A pedal drive apparatus characterized by: the device comprises a main transmission shaft, a gear speed-up transmission mechanism, two one-way bearings, two power input rockers and a power input rocker reset mechanism;
the main transmission shaft is of a hollow tubular shaft structure, and the gear speed-raising transmission mechanism and two one-way bearings are sleeved outside the main transmission shaft at intervals;
the gear set of the gear speed-raising transmission mechanism is positioned in a gear box, the gear box is rotatably connected with a main transmission shaft and is fixedly connected with a frame of an external vehicle body, a bearing plate is fixedly connected outside the gear box, an input gear of the gear set is fixedly connected with the main transmission shaft, an output gear of the gear set is rotatably sleeved on the main transmission shaft, the output gear is connected with wheels of the external vehicle body through a driving structure, and the driving structure is positioned outside the gear box;
the two one-way bearings are respectively positioned at two opposite sides of the gear speed-raising transmission mechanism, the rotating directions of outer rings of the two one-way bearings are opposite, an inner ring of each one-way bearing is fixedly connected with a main transmission shaft, an outer ring of each one-way bearing is fixedly connected with one end of a power input rocker, the other end of the power input rocker is provided with a pedal, each power input rocker is arranged along the radial direction of the one-way bearing, and the two power input rockers are positioned at the same side of the main transmission shaft;
the power input rocker resetting mechanism comprises a connecting shaft, a connecting shaft oscillating bar, a first connecting rod, a second connecting rod, a resetting oscillating bar, a first articulated shaft, a second articulated shaft, a third articulated shaft and a fourth articulated shaft, wherein the connecting shaft penetrates through the inside of the main transmission shaft and is rotatably connected with the main transmission shaft, two ends of the connecting shaft extend out of the main transmission shaft, one end of the connecting shaft is fixedly connected with an outer ring of a one-way bearing, the other end of the connecting shaft oscillating bar is fixedly connected with one end of the connecting shaft oscillating bar, the other end of the connecting shaft oscillating bar is provided with the first articulated shaft and is articulated with one end of the first connecting rod through the first articulated shaft, the other end of the first connecting rod and one end of the second connecting rod are articulated with one end of the resetting oscillating bar through the second articulated shaft, the other end of the resetting oscillating bar is articulated with one end which is not connected with a gear box through a third articulated shaft bearing plate, and the other end of the second connecting rod is articulated with the outer ring of another one-way bearing through the fourth articulated shaft, the fourth hinge shaft, the first hinge shaft, the second hinge shaft and the third hinge shaft are all parallel to the connecting shaft, and the third hinge shaft is also positioned above the other one-way bearing.
2. A pedal drive according to claim 1, wherein: the gear train includes input gear output gear, gear shaft and intermediate gear, the both ends of gear shaft are rotated and are connected the gear box, its with input gear meshing connects, the fixed cover of intermediate gear is established on the gear shaft, and with output gear meshing connects.
3. A pedal drive according to claim 1, wherein: the driving structure is a chain wheel transmission mechanism, a driving chain wheel of the chain wheel transmission mechanism is fixedly connected with an output gear, and the driving chain wheel is further rotatably sleeved outside the main transmission shaft.
4. A pedal drive according to claim 1, wherein: the driving structure comprises a driving one-way bearing and a wheel shaft shell, the driving one-way bearing is rotatably mounted on a main transmission shaft through an output gear, an inner ring of the driving one-way bearing is fixedly connected with the output gear, an outer ring of the driving one-way bearing is fixedly connected with the wheel shaft shell, the wheel shaft shell is sleeved outside a gear box and is rotatably connected with the gear box, one end of the gear box extends out of the outer side of the wheel shaft shell and is fixedly connected with a supporting plate on the outer side of the wheel shaft shell, and the gear box is fixedly connected with a frame of an external vehicle body through the supporting plate.
5. A pedal drive according to claim 4, wherein: the outer part of the main transmission shaft is rotatably sleeved with a fixed bearing plate, the fixed bearing plate and the bearing plate are respectively arranged on two opposite sides of the wheel axle housing and are positioned between the two one-way bearings, and the fixed bearing plate and the bearing plate are fixedly connected with a frame of an outer vehicle body.
6. A pedal drive according to claim 1, wherein: the one-way bearing is arranged in the one-way bearing box, the one-way bearing box is fixedly connected with the outer ring of the one-way bearing, the fourth hinged shaft is fixedly connected to the outer portion of the one-way bearing box, the connecting shaft is fixedly connected with the end cover of the bearing box, and the end cover of the bearing box is fixedly connected to the one-way bearing box.
7. A pedal drive according to claim 1, wherein: the first hinge shaft and the fourth hinge shaft are positioned at two opposite sides of the center of the one-way bearing.
8. A pedal drive apparatus characterized by: the device comprises a main transmission shaft, a gear speed-up transmission mechanism, two one-way bearings, two power input rockers and a power input rocker reset mechanism;
the main transmission shaft is of a hollow tubular shaft structure, and the gear speed-raising transmission mechanism and two one-way bearings are sleeved outside the main transmission shaft at intervals;
the gear set of the gear speed-raising transmission mechanism is positioned in a gear box, the gear box is rotatably connected with a main transmission shaft and is fixedly connected with a frame of an external vehicle body, a bearing plate is fixedly connected outside the gear box, an input gear of the gear set is fixedly connected with the main transmission shaft, an output gear of the gear set is rotatably sleeved on the main transmission shaft, the output gear is connected with wheels of the external vehicle body through a driving structure, and the driving structure is positioned outside the gear box;
the two one-way bearings are positioned at the same side of the gear speed-raising transmission mechanism, the rotating directions of the outer rings of the two one-way bearings are opposite, the inner ring of each one-way bearing is fixedly connected with a main transmission shaft, the outer ring of the one-way bearing which is relatively far away from the gear speed-raising transmission mechanism is fixedly connected with one end of a power input rocker, one end of the other power input rocker is fixedly connected with a connecting shaft of the power input rocker resetting mechanism, the other ends of the two power input rockers are provided with pedals, the two power input rockers are both arranged along the radial direction of the main transmission shaft, and the two power input rockers are positioned at the same side of the main transmission shaft;
the power input rocker resetting mechanism comprises the connecting shaft, a first connecting rod, a second connecting rod, a resetting swing rod, a first hinging shaft, a second hinging shaft, a third hinging shaft and a fourth hinging shaft, the connecting shaft penetrates through the inside of the main transmission shaft and is rotatably connected with the main transmission shaft, two ends of the connecting shaft extend out of the main transmission shaft, one end of the connecting shaft is fixedly connected with the power input rocker, the other end of the connecting shaft is fixedly connected with an outer ring of a one-way bearing relatively far away from the gear raising transmission mechanism, one end of the first connecting rod is hinged with the outer ring of the one-way bearing through the first hinging shaft, the other end of the first connecting rod and one end of the second connecting rod are hinged with one end of the resetting swing rod through the second hinging shaft, the other end of the resetting swing rod is hinged with one end of a supporting plate through the third hinging shaft and not connected with one end of a gear box, the other end of the second connecting rod is hinged with the outer ring relatively close to the one-way bearing of the gear raising transmission mechanism through the fourth hinging shaft, the fourth articulated shaft and the first articulated shaft, the second articulated shaft and the third articulated shaft are all parallel to the connecting shaft, and the third articulated shaft is also positioned above the one-way bearing.
9. A pedal drive according to claim 8, wherein: the driving structure is a chain wheel transmission mechanism, a driving chain wheel of the chain wheel transmission mechanism is fixedly connected with an output gear, and the driving chain wheel is further rotatably sleeved outside the main transmission shaft.
10. A pedal drive according to claim 8, wherein: the driving structure comprises a driving one-way bearing and a wheel shaft shell, the driving one-way bearing is rotatably mounted on a main transmission shaft through an output gear, an inner ring of the driving one-way bearing is fixedly connected with the output gear, an outer ring of the driving one-way bearing is fixedly connected with the wheel shaft shell, the wheel shaft shell is sleeved outside a gear box and is rotatably connected with the gear box, one end of the gear box extends out of the outer side of the wheel shaft shell and is fixedly connected with a supporting plate on the outer side of the wheel shaft shell, and the gear box is fixedly connected with a frame of an external vehicle body through the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120813427.9U CN214565969U (en) | 2021-04-09 | 2021-04-09 | Pedal type driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120813427.9U CN214565969U (en) | 2021-04-09 | 2021-04-09 | Pedal type driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214565969U true CN214565969U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120813427.9U Active CN214565969U (en) | 2021-04-09 | 2021-04-09 | Pedal type driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214565969U (en) |
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2021
- 2021-04-09 CN CN202120813427.9U patent/CN214565969U/en active Active
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