CN202612528U - Transmission device for converting linear reciprocating motion into rotary motion - Google Patents

Abstract

The utility model discloses a transmission device for converting linear reciprocating motion into rotary motion, which comprises a first lever mechanism, a second lever mechanism, a rocker-slider mechanism, a one-way clutch, a bevel gear mechanism and a straight gear mechanism; first lever mechanism includes first transmission lever, first slider and sixth slider, second lever mechanism includes second transmission lever, second slider and seventh slider, rocker slider mechanism includes fifth slider, connecting rod and rocker, bevel gear mechanism includes initiative bevel gear and driven bevel gear, straight-gear mechanism includes initiative straight-gear and driven straight-gear. The utility model discloses the straight reciprocating motion that can realize the large stroke in less space turns into rotary motion to the rotational speed is adjustable.

Description

Transmission device that converts linear reciprocating motion into rotary motion

technical field

The utility model relates to a transmission device for converting linear reciprocating motion into rotary motion. the

Background technique

At present, the common mechanisms for converting linear reciprocating motion into rotary motion include rack and pinion, crank slider, ball screw and other mechanisms. Although the rack and pinion mechanism has high efficiency, it requires high installation accuracy and is relatively laborious. The crank-slider mechanism must have a dead point, and the force applied to the crank at different angular positions varies greatly. When the ball screw ball sleeve drives the screw, the energy loss is large, it is easy to slip, and the price is relatively high. the

Contents of the invention

In order to overcome the problems of large volume, high installation accuracy requirements, difficult installation, large energy loss, easy slipping, and high price existing in the existing mechanism, the utility model provides a small volume, adjustable linear motion stroke, and no deadlock. A transmission device that converts linear reciprocating motion, which can change the rotational speed and reduce energy loss, into rotary motion. the

The technical scheme that the utility model adopts is:

The transmission device that converts linear reciprocating motion into rotary motion is characterized in that it includes a first lever mechanism, a second lever mechanism, a rocker slider mechanism, a one-way clutch, a bevel gear mechanism and a spur gear mechanism; the first lever mechanism It includes a first transmission lever, a first slider and a sixth slider, the second lever mechanism includes a second transmission lever, a second slider and a seventh slider, and the rocker slider mechanism includes a fifth slider , connecting rod and rocking bar, described bevel gear mechanism comprises driving bevel gear and driven bevel gear, and described spur gear mechanism comprises driving spur gear and driven spur gear;

The first slider and a third slider are hinged at the same point, and the second slider and a fourth slider are hinged at the same point; the third and fourth sliders can be respectively moved along a first straight line The linear guide rail and a second linear guide rail move, the third and fourth sliders drive the first and second sliders to move, and the first and second sliders respectively drive the first and second transmission The lever swings around the fulcrum;

The fifth, sixth, and seventh sliders are hinged at the same point; the first and second transmission levers drive the fifth, sixth, and seventh sliders to move along a third linear guide rail. The other end of the rod is hinged to one end of the rocker, and the fifth, sixth, and seventh sliders pull the connecting rod to drive the rocker to swing; the other end of the rocker is connected to the rocker through a one-way clutch The driving bevel gear is connected by transmission, the driving bevel gear and the driven bevel gear are meshed with each other, the driven bevel gear is keyed to one end of a transmission shaft, and the other end of the transmission shaft is connected to the driving spur gear. connected, the driving spur gear and the driven spur gear are meshed with each other, the driven spur gear is connected to a rear wheel shaft, the rear wheel shaft is connected to a driving wheel, and the rear wheel shaft is connected to a driven wheel through The bearing connection ensures that the driven wheel and the driving wheel have a differential speed action when necessary. the

Further, the rocker is fixedly connected to the outer ring of the one-way clutch. the

Further, the driving bevel gear is fixedly connected to the inner ring of the one-way clutch. the

In the utility model, the size and fulcrum of the first and second transmission levers can be adjusted to change the size of the required driving force, change the movement stroke of the fifth slider and change the speed of the driving wheel. Changing the size of the connecting rod and the rocker can adjust the turning angle of the rocker and the angle between the connecting rod and the rocker during the movement, thereby changing the size of the required driving force, changing the speed of the driving wheel, and preventing the dead point. Appear. the

The beneficial effect of the utility model is embodied in that the rectilinear reciprocating motion with a large stroke can be converted into a rotary motion in a small space, and the rotating speed is adjustable. the

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model. the

Fig. 2 is a simple schematic diagram of the mechanism of the utility model. the

Detailed ways

Referring to Fig. 1 and Fig. 2, the linear reciprocating motion is converted into the transmission device of rotary motion, including a first lever mechanism, a second lever mechanism, a rocker slider mechanism, a one-way clutch 18, a bevel gear mechanism and a spur gear mechanism; The first lever mechanism comprises the first transmission lever 1, the first slide block 2 and the sixth slide block 6, and the second lever mechanism comprises the second transmission lever 23, the second slide block 22 and the seventh slide block 7. The rocker slider mechanism includes the fifth slide block 5, connecting rod 9 and rocking bar 10, the bevel gear mechanism includes a driving bevel gear 19 and a driven bevel gear 17, and the spur gear mechanism includes a driving bevel gear 11 and a driven bevel gear 11. spur gear 14;

The first slider 2 and a third slider 3 are hinged at the same point, and the second slider 22 and a fourth slider 21 are hinged at the same point; the third and fourth sliders 3, 21 Can move along a first linear guide rail 4 and a second linear guide rail 20 respectively, the third and fourth sliders 3, 21 drive the first and second sliders 2, 22 to move, the first , The second slider 2, 22 respectively drives the first and second transmission levers 1, 23 to swing around the fulcrum;

The fifth, sixth and seventh sliders 5, 6 and 7 are hinged at the same point; the first and second transmission levers 1 and 23 drive the fifth, sixth and seventh sliders 5 and 6 , 7 move along a third linear guide rail 8, the other end of the connecting rod 9 is hinged to one end of the rocker 10, and the fifth, sixth and seventh sliders 5, 6, 7 pull the connecting rod 9 Thereby driving described rocking bar 10 to swing; The other end of described rocking bar 10 is through a described one-way clutch 18 and described driving bevel gear 19 transmission connection, and described driving bevel gear 19 and described driven bevel gear 17 are meshed with each other , the driven bevel gear 17 is in transmission connection with one end of a transmission shaft 12, the other end of the transmission shaft 12 is in transmission connection with the driving spur gear 11, and the driving spur gear 11 and the driven spur gear 14 are meshed with each other , the driven spur gear 14 is keyed to a rear wheel shaft 15, and the rear wheel shaft 15 is connected to a drive wheel 13 respectively, and the rear wheel shaft 15 is connected to a driven wheel 16 through a bearing to ensure that when necessary The driven wheel 16 and the driving wheel 13 have a differential effect. the

Further, the rocker 10 is fixedly connected to the outer ring of the one-way clutch 18 . the

Further, the driving bevel gear 19 is fixedly connected to the inner ring of the one-way clutch 18 . the

In the utility model, the size and fulcrum of the first and second transmission levers 1 and 23 can be adjusted to change the size of the required driving force, change the movement stroke of the fifth slider 5 and change the speed of the driving wheel 13 . Changing the size of the connecting rod 9 and the rocking bar 10 can adjust the angle that the rocking bar 10 turns over and the angle between the connecting rod 9 and the rocking bar 10 during the movement, thereby changing the required driving force and changing the driving wheel 13 speed, to prevent the occurrence of dead spots. the

The content described in the embodiments of this specification is only an enumeration of the implementation forms of the inventive concept. The protection scope of the present utility model should not be regarded as limited to the specific forms stated in the embodiments. The protection scope of the present utility model also extends to Equivalent technical means that those skilled in the art can think of according to the concept of the utility model. the

Claims (3)

1. The transmission device that linear reciprocating motion is converted into rotary motion is characterized in that: it includes a first lever mechanism, a second lever mechanism, a rocker slider mechanism, a one-way clutch, a bevel gear mechanism and a spur gear mechanism; The lever mechanism includes a first transmission lever, a first slider and a sixth slider, the second lever mechanism includes a second transmission lever, a second slider and a seventh slider, and the rocker slider mechanism includes a fifth slider, connecting rod and rocker, the bevel gear mechanism includes a driving bevel gear and a driven bevel gear, and the spur gear mechanism includes a driving spur gear and a driven spur gear; The first slider and a third slider are hinged at the same point, and the second slider and a fourth slider are hinged at the same point; the third and fourth sliders can be respectively moved along a first straight line The linear guide rail and a second linear guide rail move, the third and fourth sliders drive the first and second sliders to move, and the first and second sliders respectively drive the first and second transmission The lever swings around the fulcrum; The fifth, sixth, and seventh sliders are hinged at the same point; the first and second transmission levers drive the fifth, sixth, and seventh sliders to move along a third linear guide rail. The other end of the rod is hinged to one end of the rocker, and the fifth, sixth, and seventh sliders pull the connecting rod to drive the rocker to swing; the other end of the rocker is connected to the rocker through a one-way clutch The driving bevel gear is connected by transmission, the driving bevel gear and the driven bevel gear are meshed with each other, the driven bevel gear is keyed to one end of a transmission shaft, and the other end of the transmission shaft is connected to the driving spur gear. connected, the driving spur gear and the driven spur gear are meshed with each other, the driven spur gear is connected to a rear wheel shaft, the rear wheel shaft is connected to a driving wheel, and the rear wheel shaft is connected to a driven wheel through Bearing connection. 2. The transmission device for converting linear reciprocating motion into rotary motion according to claim 1, wherein the rocker is fixedly connected to the outer ring of the one-way clutch. 3. The transmission device for converting linear reciprocating motion into rotary motion according to claim 1 or 2, wherein the driving bevel gear is fixedly connected to the inner ring of the one-way clutch.

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