CN215370090U

CN215370090U - Low-power starter converted by using double-lever principle

Info

Publication number: CN215370090U
Application number: CN202120757640.2U
Authority: CN
Inventors: 李兴龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-31
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to a low-power starter converted by using a double-lever principle, which comprises a base, a driving shaft, a starting shaft and a double-lever mechanism, wherein the driving shaft indirectly increases power by using the double-lever principle to drive the starting shaft to rotate for 360 degrees, the driving shaft is rotatably connected with the base and is driven to rotate by a driving motor, and a plurality of driving deflector rods which are arranged at equal intervals along the axial direction of the driving shaft are fixed on the driving shaft. The utility model adopts the driving shaft to indirectly drive the starting shaft to rotate through the double-lever mechanism, the acting force is transmitted to the starting shaft through the double-lever mechanism to enable the starting shaft to rotate, and the double-lever mechanism is adopted to increase the power of the driving shaft and then drive the starting shaft to rotate, so that the force required by the driving shaft for driving the starting shaft to rotate is reduced, the electric energy consumption of a driving motor is reduced, the function of driving a high-power load to rotate with low power is realized, and the utility model has the advantages of energy saving and reducing the overall cost of the starter.

Description

Low-power starter converted by using double-lever principle

Technical Field

The utility model relates to the technical field of starters, in particular to a low-power starter converted by using a double-lever principle.

Background

The starter is an auxiliary tool, large equipment used in the machinery industry and agriculture, such as a generator, a diesel engine, a gasoline engine and the like, can enter an operating state through the auxiliary starting equipment before working, and the power required for starting the equipment is very high, so that the starter needs to be provided with a motor with high power to drive the equipment to rotate, the cost is high, and the starter needs to be driven by the motor with low power to reduce the energy consumption.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a low-power starter converted by using a double-lever principle.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a low-power starter converted by using a double-lever principle comprises a base, a driving shaft, a starting shaft and a double-lever mechanism, wherein the driving shaft indirectly increases power by using the double-lever principle to drive the starting shaft to rotate for 360 degrees, the driving shaft is rotationally connected with the base and is driven to rotate by a driving motor, a plurality of driving deflector rods which are arranged at equal intervals along the axis direction of the driving shaft are fixed on the driving shaft, the driving deflector rods are distributed in an equal-angle annular array by taking the axis of the driving shaft as a circle center, each driving deflector rod corresponds to one double-lever mechanism, the starting shaft is positioned below one side of the driving shaft and is rotationally connected with the base, a ratchet wheel is fixed on the starting shaft, the double-lever mechanism is arranged on the base, one end of the double-lever mechanism is connected with a poking pawl matched with the ratchet wheel, and the driving shaft enables the driving deflector rods to poke the corresponding double-lever mechanism in the rotating process, the poking pawl pokes the ratchet wheel to drive the starting shaft to rotate by one ratchet wheel tooth.

Preferably in any one of the above schemes, the double-lever mechanism is located on one side of the driving shaft, the double-lever mechanism comprises a first supporting shaft and a second supporting shaft, the first supporting shaft and the second supporting shaft are both located above the base and fixed with the base, the first supporting shaft is rotatably connected with a first lever, the second supporting shaft is rotatably connected with a second lever, and the first lever transmits acting force to the second lever through a connecting rod so as to enable the second lever to drive the toggle pawl to toggle the ratchet wheel to rotate.

In any one of the above aspects, it is preferable that the second support shaft is located between the drive shaft and the first support shaft, and the second support shaft is disposed near the ratchet wheel, and the second support shaft is located below the first support shaft.

In any of the above aspects, it is preferable that the long lever arm of the first lever is located between the first support shaft and the drive shaft, and the short lever arm of the second lever is located between the second support shaft and the ratchet wheel.

In any of the above schemes, preferably, one end of the connecting rod is hinged with the end of the long rod arm on the second lever, and the other end of the connecting rod is hinged with the short rod arm of the first lever.

In any of the above schemes, preferably, the short arm side wall of the second lever is rotatably connected with the toggle pawl, the top end of the side wall of the toggle pawl, which is back to the ratchet wheel, is connected with a return spring, the return spring is fixed on the second lever, the toggle pawl is abutted in the ratchet wheel tooth groove of the ratchet wheel under the action of the return spring, and the bottom end of the side wall of the toggle pawl, which is back to the ratchet wheel, is abutted on the outer wall of the second support shaft under the action of the return spring.

In any of the above schemes, preferably, one end of the driving lever, which is far away from the driving shaft, is rotatably connected with the roller, and the top of one end of the first lever, which is close to the driving shaft, is provided with an inclined surface matched with the roller.

In any of the above aspects, it is preferable that the first support shafts of the plurality of double lever mechanisms are connected to each other to form an integrated first through shaft, and the second support shafts of the plurality of double lever mechanisms are connected to each other to form an integrated second through shaft.

In any of the above schemes, preferably, the driving shaft is rotatably connected to a first support frame, the first support frame is fixed on the base, and the driving motor is mounted on the first support frame; the first through shaft is fixed on the second support frame, and the second support frame is fixed on the base on one side of the first support frame.

In any of the above schemes, preferably, the starting shaft is rotatably connected to a third support frame, the second through shaft is fixed to the third support frame, and the third support frame is located between the first support frame and the second support frame and fixed to the base.

Compared with the prior art, the low-power starter converted by utilizing the double-lever principle has the following beneficial effects:

1. the driving shaft indirectly drives the starting shaft to rotate through the double-lever mechanism, the driving motor drives the driving shaft to rotate, acting force is transmitted to the starting shaft through the double-lever mechanism to enable the starting shaft to rotate, the double-lever mechanism is adopted to increase the power of the driving shaft and then drive the starting shaft to rotate, so that the force required by the driving shaft for driving the starting shaft to rotate is reduced, the driving motor drives the driving shaft to rotate, and the force for driving the driving shaft to rotate is reduced, so that the electric energy consumption of the driving motor is reduced, the function of driving a high-power load to rotate by low power is realized, and the energy-saving starter has the advantages of saving energy and reducing the overall cost of the starter;

2. the driving deflector rod is provided with the roller which is contacted with the first lever, so that the friction force is reduced, and the service life of the driving deflector rod and the service life of the first lever are prolonged.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a low-power starter using the principle of two levers for conversion according to the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 showing the connection of the toggle pawl and the ratchet;

fig. 3 is a schematic structural diagram of the driving lever of fig. 1.

The figures are labeled as follows: 1. a base; 2. a first support frame; 3. a second support frame; 4. a third support frame; 5. a drive shaft; 6. driving a deflector rod; 7. a connecting rod; 8. a roller; 9. a first lever; 10. a second lever; 11. a ratchet wheel; 12. starting the shaft; 13. a second support shaft; 14. poking the pawl; 15. a return spring; 16. a first support shaft.

Detailed Description

In order to further understand the present invention, the following detailed description is given with reference to specific embodiments.

As shown in fig. 1-3, an embodiment of a low power starter using dual lever principle conversion according to the present invention includes a base 1, a driving shaft 5, a starting shaft 12, and a dual lever mechanism, wherein the driving shaft 5 indirectly increases power by using the dual lever principle to drive the starting shaft 12 to rotate for 360 °, the driving shaft 5 is rotatably connected to the base 1 and is driven to rotate by a driving motor, a plurality of driving levers 6 are fixed on the driving shaft 5 and are arranged at equal intervals along an axial direction of the driving shaft 5, the plurality of driving levers 6 are distributed in an equal angle annular array with the axial direction of the driving shaft 5 as a center, each driving lever 6 corresponds to one dual lever mechanism, the starting shaft 12 is located below one side of the driving shaft 5 and is rotatably connected to the base 1, a ratchet 11 is fixed on the starting shaft 12, the dual lever mechanism is arranged on the base 1, one end of the double-lever mechanism is connected with a toggle pawl 14 matched with the ratchet wheel 11, and the driving shaft 5 enables the driving toggle rod 6 to toggle the corresponding double-lever mechanism in the rotating process, so that the toggle pawl 14 toggles the ratchet wheel 11 to drive the starting shaft 12 to rotate by one ratchet wheel tooth.

Each driving shift lever 6 corresponds to one double-lever mechanism, so that the number of the double-lever mechanisms is multiple and is the same as that of the driving shift levers 6, and the multiple double-lever mechanisms are distributed in parallel along the axial direction of the driving shaft 5 so as to correspond to the driving shift levers 6.

In the above structure, the driving motor drives the driving shaft 5 to rotate, the acting force is transmitted to the starting shaft 12 through the double-lever mechanism, so that the starting shaft 12 rotates, the double-lever mechanism is adopted to increase the power of the driving shaft 5 and then drive the starting shaft 12 to rotate, so that the force required by the driving shaft 5 to drive the starting shaft 12 to rotate is reduced, the driving motor drives the driving shaft 5 to rotate, the force for driving the driving shaft 5 to rotate is reduced, the electric energy consumption of the motor is reduced, the energy saving effect is achieved, the overall cost of the starter is reduced, and therefore the rotation of the starting shaft 12 can be achieved through the low-power motor.

Two lever mechanism are located one side of drive shaft 5, two lever mechanism include first support shaft 16, second support shaft 13, first support shaft 16 and second support shaft 13 all are located the top of base 1 and are fixed with base 1, rotate on the first support shaft 16 and connect first lever 9, rotate on the second support shaft 13 and connect second lever 10, first lever 9 passes through connecting rod 7 and transmits the effort for second lever 10 to it stirs ratchet 11 rotation to make second lever 10 drive stir pawl 14.

In this embodiment, each of the driving levers 6 is from the beginning of depressing the first lever 9 to the disengagement from the first lever 9, and the whole process is to make the toggle pawl 14 drive the ratchet wheel 11 to rotate by one angle of ratchet teeth, so that the starting shaft 12 rotates by one angle of ratchet teeth, the first lever 9 is continuously toggled by the plurality of driving levers 6, and the first lever 9 toggles the second lever 10 through the connecting rod 7, so that the ratchet wheel 11 is continuously rotated.

The long lever arm of the first lever 9 is located between the first support shaft 16 and the drive shaft 5, and the short lever arm of the second lever 10 is located between the second support shaft 13 and the ratchet wheel 11.

The second support shaft 13 is located between the drive shaft 5 and the first support shaft 16, and the second support shaft 13 is disposed near the ratchet 11, and the second support shaft 13 is located below the first support shaft 16.

The first support shafts 16 of the plurality of double lever mechanisms are connected to each other to form an integrated first through shaft, and the second support shafts 13 of the plurality of double lever mechanisms are connected to each other to form an integrated second through shaft. The first lever 9 is rotatably connected with the first through shaft, and the second lever 10 is rotatably connected with the second through shaft.

In the present embodiment, the axes of the first through shaft, the second through shaft, the driving shaft 5 and the starting shaft 12 are all parallel.

One end of the connecting rod 7 is hinged with the end of the long rod on the second lever 10, and the other end of the connecting rod 7 is hinged with the short rod of the first lever 9, so that the movement of the first lever 9 is transmitted to the second lever 10 through the connecting rod 7, and the second lever 10 moves.

As shown in fig. 2, the short arm side wall of the second lever 10 is rotatably connected to the toggle pawl 14, the top end of the side wall of the toggle pawl 14, which is back to the ratchet wheel 11, is connected to a return spring 15, the return spring 15 is fixed to the second lever 10, the toggle pawl 14 abuts against the ratchet tooth groove of the ratchet wheel 11 under the action of the return spring 15, and the bottom end of the side wall of the toggle pawl 14, which is back to the ratchet wheel 11, abuts against the outer wall of the second support shaft 13 under the action of the return spring 15.

Wherein, reset spring 15 is in compression state all the time, can produce pressure to stirring pawl 14 like this, makes the top of stirring pawl 14 can block in the ratchet tooth's socket of ratchet 11 automatically to after pushing ratchet 11 to rotate a ratchet tooth through stirring pawl 14, can drive under the circumstances that first lever 9 and second lever 10 reset and stir pawl 14 and reset, and block in corresponding ratchet tooth's socket.

In this embodiment, when one of the driving levers 6 presses down the first lever 9 of the corresponding dual-lever mechanism and drives the second lever 10 to act, so that the corresponding toggle pawl 14 drives the ratchet 11 to rotate by an angle of one ratchet tooth, and when the rotation is completed and the reset is performed, because the toggle pawls 14 of the other dual-lever mechanisms are also clamped in the ratchet tooth grooves after the rotation of the ratchet 11 in the rotation of the ratchet 11, when the first lever 9 and the second lever 10 are reset, the ratchet 11 cannot move reversely to reset, so that when the toggle pawl 14 is reset, the ratchet 11 cannot reset, and the function that the ratchet 11 drives the starting shaft 12 to rotate continuously is realized.

The end, far away from the driving shaft 5, of the driving deflector rod 6 is rotatably connected with the roller 8, the top of the end, close to the driving shaft 5, of the first lever 9 is provided with an inclined plane matched with the roller 8, the roller 8 is arranged on the driving deflector rod 6, friction between the driving deflector rod 6 and the first lever 9 in contact is reduced, and the service lives of the driving deflector rod 6 and the first lever 9 are prolonged.

The driving shaft 5 is rotatably connected to the first support frame 2, the first support frame 2 is fixed on the base 1, and the driving motor is installed on the first support frame 2; the first through shaft is fixed on the second support frame 3, and the second support frame 3 is fixed on the base 1 at one side of the first support frame 2.

The starting shaft 12 is rotatably connected to the third support frame 4, the second through shaft is fixed to the third support frame 4, the third support frame 4 is located between the first support frame 2 and the second support frame 3 and is fixed to the base 1, the third support frame 4 is located below the first lever 9, and the starting shaft 12 and the second support shaft 13 are located below the driving shaft 5 and the first support shaft 16.

The working principle of the embodiment is as follows: when the starter works, the driving motor drives the driving shaft 5 to rotate, so that the driving deflector rods 6 on the driving shaft rotate, the driving deflector rods 6 sequentially press the corresponding first levers 9 one by one, when one driving deflector rod 6 presses the corresponding first lever 9, the other end of the first lever 9 is tilted upwards, so that the connecting rod 7 is driven to move upwards, the long lever arm of the second lever 10 is tilted, the short lever arm of the second lever 10 moves downwards, so that the toggle pawl 14 is pressed by the second supporting shaft 13 while moving downwards, the toggle pawl 14 rotates clockwise according to the direction shown in figure 2, the return spring 15 is compressed, the toggle pawl 14 toggles the ratchet wheel 11 in the rotating process, so that the ratchet wheel 11 rotates anticlockwise, so that the starting shaft 12 rotates, when the driving deflector rod 6 is separated from the first lever 9 in the rotating process, the ratchet wheel 11 drives the starting shaft 12 to rotate by an angle of one ratchet wheel tooth, and the toggle pawl 14 in other double-lever mechanisms is also clamped in the ratchet tooth groove after the ratchet wheel 11 rotates in the rotation of the ratchet wheel 11, so that when the first lever 9 and the second lever 10 reset, the ratchet wheel 11 can not move reversely to reset, the plurality of driving shift levers 6 continuously toggle the corresponding first lever 9, so that the ratchet wheel 11 drives the starting shaft 12 to complete the rotation of 360 degrees, and the starter works, when the driving shift lever 6 is separated from the corresponding first lever 9, the toggle pawl 14 rotates reversely under the reset action of the reset spring 15, because the side wall of the toggle pawl 14 back to the ratchet wheel 11 is propped against the second support shaft 13, the short rod arm of the second lever 10 moves upwards when the toggle pawl 14 rotates reversely, so that the long rod arm of the second lever 10 moves downwards, the connecting rod 7 moves downwards, the first lever 9 resets, and the plurality of driving shift levers 6 repeat the actions of the second to fourth steps in the rotation, the ratchet wheel 11 drives the starting shaft 12 to rotate continuously to complete 360-degree rotation.

It will be understood by those skilled in the art that the utility model includes any combination of the elements of the foregoing description and the detailed description as well as those illustrated in the drawings, which are meant to be space-limited and not intended to constitute a part of the specification in any way whatsoever, the combination being such that the description is not intended to be exhaustive. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-power starter converted by using a double-lever principle is characterized in that: comprises a base, a driving shaft, a starting shaft and a double-lever mechanism, wherein the driving shaft indirectly increases power by utilizing the double-lever principle to drive the starting shaft to rotate for 360 degrees, the driving shaft is rotationally connected with the base and is driven to rotate by the driving motor, a plurality of driving deflector rods which are arranged at equal intervals along the axial direction of the driving shaft are fixed on the driving shaft, the driving deflector rods are distributed in an equiangular annular array by taking the axial line of the driving shaft as the center of a circle, each driving deflector rod corresponds to one double-lever mechanism, the starting shaft is positioned below one side of the driving shaft and is rotationally connected with the base, a ratchet wheel is fixed on the starting shaft, the double-lever mechanism is arranged on the base, one end of the double-lever mechanism is connected with a toggle pawl matched with the ratchet wheel, the driving shaft enables the driving deflector rod to stir the corresponding double-lever mechanism in the rotating process, and the stirring pawl stirs the ratchet to drive the starting shaft to rotate by one ratchet tooth.

2. The small power starter using the double lever principle for conversion according to claim 1, wherein: the double-lever mechanism is located one side of the driving shaft and comprises a first supporting shaft and a second supporting shaft, the first supporting shaft and the second supporting shaft are located above the base and fixed with the base, the first supporting shaft is connected with a first lever in a rotating mode, the second supporting shaft is connected with a second lever in a rotating mode, the first lever transmits acting force to the second lever through a connecting rod, and therefore the second lever is driven to stir the pawl to stir the ratchet wheel to rotate.

3. The small power starter using the double lever principle for conversion according to claim 2, wherein: the second back shaft is located between drive shaft and the first back shaft, and the second back shaft is close to the ratchet setting, the second back shaft is located the below of first back shaft.

4. A small power starter transformed by the double lever principle according to claim 2 or 3, characterized in that: the long rod arm of the first lever is positioned between the first support shaft and the drive shaft, and the short rod arm of the second lever is positioned between the second support shaft and the ratchet wheel.

5. The small power starter using the double lever principle for conversion according to claim 2, wherein: one end of the connecting rod is hinged with the end part of the long rod arm on the second lever, and the other end of the connecting rod is hinged with the short rod arm of the first lever.

6. The small power starter using the double lever principle for conversion according to claim 2, wherein: the side wall of the short rod arm of the second lever is rotatably connected with the poking pawl, the top end of the side wall of the poking pawl back to the ratchet wheel is connected with a reset spring, the reset spring is fixed on the second lever, the poking pawl is propped in a ratchet wheel tooth groove of the ratchet wheel under the action of the reset spring, and the bottom end of the side wall of the poking pawl back to the ratchet wheel is propped on the outer wall of the second supporting shaft under the action of the reset spring.

7. The small power starter using the double lever principle for conversion according to claim 2, wherein: one end of the driving deflector rod, which is far away from the driving shaft, is rotatably connected with the roller, and the top of one end of the first lever, which is close to the driving shaft, is provided with an inclined plane matched with the roller.

8. The small power starter using the double lever principle for conversion according to claim 2, wherein: the first supporting shafts of the double-lever mechanisms are mutually connected to form an integrated first through shaft, and the second supporting shafts of the double-lever mechanisms are mutually connected to form an integrated second through shaft.

9. The small power starter using the double lever principle for conversion according to claim 8, wherein: the driving shaft is rotatably connected to a first support frame, the first support frame is fixed on the base, and the driving motor is installed on the first support frame; the first through shaft is fixed on the second support frame, and the second support frame is fixed on the base on one side of the first support frame.

10. The small power starter using the double lever principle for conversion according to claim 9, wherein: the starting shaft is rotatably connected to the third support frame, the second through shaft is fixed to the third support frame, and the third support frame is located between the first support frame and the second support frame and fixed to the base.