CN219960313U - Electric bicycle integrated central motor - Google Patents

Abstract

The utility model belongs to the technical field of electric bicycles, in particular to an integrated centrally-mounted motor of an electric bicycle, which comprises a centrally-mounted motor main body, mounting plates, first positioning plates and second positioning plates, wherein the two mounting plates are respectively fixed with the two first positioning plates, the two second positioning plates are respectively detachably arranged on the two first positioning plates, and mounting grooves are formed at two ends of the centrally-mounted motor main body; according to the integrated middle motor of the electric bicycle, through the matched use of the arranged gears and the tooth plates, the positions of the limiting plates can be conveniently and simultaneously adjusted, the first positioning plate and the second positioning plate can be conveniently and rapidly installed or disassembled by a worker, meanwhile, the time and the physical strength for installing or disassembling the two installing plates by the worker are saved, the circuit board or the circuit inside the main body of the middle motor can be conveniently overhauled at regular intervals, potential safety hazards are avoided, and therefore the safety of a user in riding the electric bicycle is ensured.

Description

Electric bicycle integrated central motor

Technical Field

The utility model belongs to the technical field of electric bicycles, and particularly relates to an integrated central motor of an electric bicycle.

Background

Electric bicycles and electric power-assisted bicycles enter thousands of families like bicycles, and become public transportation means;

in the prior art, a plurality of electric bicycle integrated centrally-mounted motors are provided, for example, chinese patent application number 202020486457.9 discloses an electric bicycle integrated centrally-mounted motor which comprises a spline center shaft, a motor bracket and a motor cover lower cover, wherein the motor cover lower cover is fixedly provided with an inner rotor motor through a screw, the inner rotor motor is connected with a planetary gear assembly through a gear shaft, the planetary gear assembly is connected with a planetary gear, and a second gear is arranged on the outer side of the planetary gear assembly. The electric bicycle integrated middle motor is characterized in that a driving component is placed in the middle position of a bicycle, when an inner rotor motor is active, a driving force generated by the inner rotor motor is used for driving a rear wheel of the electric bicycle to form a middle motor driving system, a right crank and a left crank do not need to rotate and separate at the moment, when the right crank and the left crank are pedaled, a positive rotation wave controller reads double Hall voltages at the same time, the phase difference percentage is calculated to drive the power output of the motor, and riding fun is added to an electric bicycle power output system through the integrated combination of the motor and the positive rotation wave controller, so that the electric bicycle is more energy-saving, more labor-saving and more intelligent;

however, when the electric bicycle is used in practice, although riding fun is added to an electric bicycle power output system through the integrated combination of the motor and the positive rotation wave controller, the electric bicycle is more energy-saving, more labor-saving and more intelligent, sudden matters can be frequently encountered on the road when the electric bicycle is used for a long time, certain damage can be caused to the circuit board or the circuit inside the middle motor if rain water or road jolt is encountered, in order to ensure the safety of a user riding the electric bicycle, the circuit board or the circuit inside the middle motor needs to be overhauled regularly, potential safety hazards are avoided, so that the safety of the user riding the electric bicycle is ensured, a motor cover lower cover in the electric bicycle is fixed with an inner rotor motor through a screw, the outer side of the motor cover is provided with a motor bracket, and the screw is corroded by rain water, the spiral rust on the screw can be very difficult to disassemble, and therefore, when the motor cover lower cover of the electric bicycle is disassembled again, the electric bicycle is time-consuming and labor-consuming.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an integrated centrally-mounted motor of an electric bicycle, which has the characteristic of being convenient to mount or dismount a cover.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the integrated middle motor of the electric bicycle comprises a middle motor main body, a mounting plate, a first positioning plate and a second positioning plate, wherein the two mounting plates are respectively fixed with the two first positioning plates, the two second positioning plates are respectively detachably arranged on the two first positioning plates, mounting grooves are formed in the two ends of the middle motor main body, and the first positioning plates and the second positioning plates are detachably arranged in the mounting grooves;

the two ends of the middle motor main body are provided with two symmetrically distributed first limit grooves, the front end of the first locating plate is provided with a cavity, the two ends of the inner side surface of the cavity are provided with second limit grooves, the center of the cavity is rotationally connected with a gear, the inside of the cavity is slidingly connected with two tooth plates which are distributed in a staggered and symmetrical mode, the two tooth plates are meshed with the gear, the back vertical surfaces of the two tooth plates are respectively fixed with a movable plate, the back vertical surfaces of the two movable plates are respectively fixed with a limit plate, the back vertical surfaces of the two limit plates respectively penetrate through the second limit grooves and are positioned in the first limit grooves, the back vertical surfaces of the two gears respectively are respectively provided with a connecting rod, and the back vertical surfaces of the two connecting rods respectively penetrate through the mounting plate and are respectively fixed with a rotating column;

two symmetrically distributed first guide grooves are formed in the right end of the first positioning plate, two symmetrically distributed guide rods are fixed at the left end of the second positioning plate, and avoidance grooves are formed in the left end of the second positioning plate.

As a preferable technical scheme of the utility model, grooves are formed in the two gears, limiting sheets are fixed in the grooves, opposite faces of the two connecting rods penetrate through the limiting sheets and are connected with the two grooves in a sliding mode, second fixing sheets are fixedly connected with the opposite faces of the two connecting rods, two second guide grooves are formed in the outer walls of the grooves, two second guide blocks are further fixed on the outer walls of the second fixing sheets, the two second guide blocks are connected with the second guide grooves in a sliding mode, and limiting sheets are further fixed in the grooves.

As a preferable technical scheme of the utility model, the outer walls of the two connecting rods are respectively fixed with a first fixing piece, the front ends of the two mounting plates are respectively provided with a positioning groove used for being embedded into the first fixing pieces, the outer walls of the first fixing pieces are also fixed with two tooth blocks, and the outer walls of the positioning grooves are also provided with two tooth grooves used for being embedded into the tooth blocks.

As a preferable technical scheme of the utility model, the outer walls of the two connecting rods are also sleeved with return springs, and the return springs are positioned between the second fixing piece and the limiting piece.

As a preferable technical scheme of the utility model, a third limit groove is formed in each guide rod.

As a preferable technical scheme of the utility model, two sliding grooves are formed in the inner walls of the two mounting grooves, a first guide block is fixed on the outer wall of the first positioning plate, and a first guide block is also fixed on the outer wall of the second positioning plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the integrated middle motor of the electric bicycle, through the matched use of the arranged gears and the tooth plates, the positions of the limiting plates can be conveniently and simultaneously adjusted, the first positioning plate and the second positioning plate can be conveniently and rapidly installed or disassembled by a worker, meanwhile, the time and the physical strength for installing or disassembling the two installing plates by the worker are saved, the circuit board or the circuit inside the main body of the middle motor can be conveniently overhauled at regular intervals, potential safety hazards are avoided, and therefore the safety of a user in riding the electric bicycle is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an exploded structure of a first positioning plate according to the present utility model;

FIG. 3 is a schematic view of an exploded construction of the mounting plate of the present utility model;

FIG. 4 is a schematic cross-sectional view of a mounting plate according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a first positioning plate according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure A in the present utility model;

FIG. 7 is an enlarged schematic view of B in the present utility model;

in the figure: 1. a centrally-mounted motor main body; 2. a mounting groove; 3. a first limit groove; 4. a mounting plate; 5. a first positioning plate; 6. a second positioning plate; 7. a chute; 8. a first guide block; 10. a cavity; 11. a gear; 12. tooth plate; 13. a moving plate; 14. a limiting plate; 15. the second limit groove; 16. a guide rod; 17. a third limit groove; 18. a first guide groove; 19. an avoidance groove; 20. a positioning groove; 21. tooth sockets; 22. rotating the column; 23. a first fixing piece; 24. tooth blocks; 25. a groove; 26. a connecting rod; 27. a second fixing piece; 28. a return spring; 29. a limiting piece; 30. a second guide groove; 31. and a second guide block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides the following technical solutions: in this embodiment, an electric bicycle integrated central motor, including central motor main part 1, still include mounting panel 4, first locating plate 5 and second locating plate 6, two mounting panels 4 are fixed mutually with two first locating plates 5 respectively, and two second locating plates 6 demountable installation respectively on two first locating plates 5, the mounting groove 2 has been seted up at the both ends of central motor main part 1, and first locating plate 5 and second locating plate 6 demountable installation are in the inside of mounting groove 2;

two symmetrically distributed first limit grooves 3 are formed in two ends of the middle motor main body 1, a cavity 10 is formed in the front end of the first locating plate 5, a second limit groove 15 is formed in two ends of the inner side surface of the cavity 10, a gear 11 is rotationally connected to the center of the cavity 10, two staggered and symmetrically distributed tooth plates 12 are slidingly connected to the inside of the cavity 10, the two tooth plates 12 are meshed with the gear 11, movable plates 13 are fixed to the back vertical surfaces of the two tooth plates 12, limit plates 14 are fixed to the back vertical surfaces of the two movable plates 13, the back vertical surfaces of the two limit plates 14 penetrate through the second limit grooves 15 and are located in the first limit grooves 3, connecting rods 26 are installed on the back vertical surfaces of the two gears 11, and the back vertical surfaces of the two connecting rods 26 penetrate through the mounting plate 4 and are fixedly provided with rotary columns 22;

two symmetrically distributed first guide grooves 18 are formed in the right end of the first positioning plate 5, two symmetrically distributed guide rods 16 are fixed at the left end of the second positioning plate 6, and an avoidance groove 19 is formed in the left end of the second positioning plate 6; during the use, insert the inside of first guide way 18 with guide bar 16, can make first locating plate 5 and second locating plate 6 assemble, again with the inside of first locating plate 5 and second locating plate 6 insert mounting groove 2, utilize mounting panel 4 laminating can carry out spacingly to first locating plate 5 and second locating plate 6 at the outer wall of mounting groove 2, rethread clockwise rotation two rotation posts 22 this moment, make gear 11 transmission two tooth plates 12 remove, can make the back facade of two limiting plates 14 all run through second limiting groove 15 and lie in the inside of first limiting groove 3, can install and fix two mounting panels 4, when need overhaul put motor main part 1, only need anticlockwise rotation two rotation posts 22, can make two tooth plates 12 drive two limiting plates 14 and remove, make two limiting plates 14 break away from the inside of first limiting groove 3, can dismantle two mounting panels 4, make two mounting panels 4 of this equipment install or dismantle fast, save the time of comparatively motor installation personnel or dismantle two tooth plates 4 and the inside of first limiting groove 3, thereby the potential safety hazard of user's safety factor when the motor main part 1 is ridden in order to guarantee that the safety hazard appears in the time of riding the motor main part is avoided.

Specifically, as can be seen from fig. 3, fig. 6 and fig. 7, in this embodiment, grooves 25 are formed in the two gears 11, limiting plates 29 are fixed in the grooves 25, opposite faces of the two connecting rods 26 penetrate through the limiting plates 29 and are slidably connected in the two grooves 25, opposite faces of the two connecting rods 26 are fixedly connected with second fixing plates 27, two second guide grooves 30 are formed in the outer walls of the grooves 25, two second guide blocks 31 are further fixed on the outer walls of the second fixing plates 27, the two second guide blocks 31 are slidably connected in the second guide grooves 30, limiting plates 29 are further fixed in the grooves 25, first fixing plates 23 are further fixed on the outer walls of the two connecting rods 26, positioning grooves 20 for embedding the first fixing plates 23 are further formed in the front ends of the two mounting plates 4, two tooth grooves 21 for embedding the tooth blocks 24 are further formed in the outer walls of the positioning grooves 20; when the device is used, the rotating column 22 can be pulled outwards, so that the two tooth blocks 24 are separated from the tooth grooves 21, the rotating column 22 can be rotated at the moment, the positions of the two limiting plates 14 are adjusted, after the adjustment is finished, the tooth blocks 24 can be reinserted into the tooth grooves 21, and the two limiting plates 14 can be limited, so that the stability of the device is improved.

Specifically, as can be seen from fig. 6, in this embodiment, the outer walls of the two connecting rods 26 are also sleeved with a return spring 28, and the return spring 28 is located between the second fixing piece 27 and the limiting piece 29; when in use, when the reset spring 28 is in the initial position, the reset spring can conveniently abut against the second fixing piece 27, so that the second fixing piece 27 is tightly attached to the inner side surface of the groove 25, and meanwhile, the tooth block 24 is embedded into the tooth groove 21, so that the stability of the first fixing piece 23 can be increased, and the connecting rod 26 is not easy to rotate.

Specifically, as can be seen from fig. 3, in this embodiment, a third limiting groove 17 is formed on each guide rod 16; when in use, when the guide rod 16 is inserted into the first guide groove 18, the third limit groove 17 is positioned in the middle of the second limit groove 15, and when the top end of the limit plate 14 penetrates through the second limit groove 15, the third limit groove 17 is also penetrated, so that the stability of the combination of the first and second positioning plates 5 and 6 is increased.

Specifically, as can be seen from fig. 2 and fig. 3, in the present embodiment, two sliding grooves 7 are formed on the inner walls of the two mounting grooves 2, a first guide block 8 is fixed on the outer wall of the first positioning plate 5, and a first guide block 8 is also fixed on the outer wall of the second positioning plate 6; when in use, the two first guide blocks 8 can be respectively inserted into the two sliding grooves 7, so that the stability of the first positioning plate 5 and the second positioning plate 6 during installation is increased.

The working principle and the using flow of the utility model are as follows: according to the electric bicycle integrated central motor, when the central motor main body 1 needs to be overhauled, only the two rotating columns 22 are required to be rotated anticlockwise, so that the two tooth plates 12 drive the two limiting plates 14 to move, the two limiting plates 14 are separated from the inner part of the first limiting groove 3, the two mounting plates 4 can be disassembled, the two mounting plates 4 of the electric bicycle integrated central motor can be quickly assembled or disassembled, meanwhile, the time and physical strength for assembling or disassembling the two mounting plates 4 by a worker are saved, the circuit board or the circuit inside the central motor main body 1 is overhauled at regular intervals, potential safety hazards are avoided, and the safety of a user when riding the electric bicycle is ensured.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a put motor in electric bicycle integral type, is put motor main part (1), its characterized in that including putting motor: the motor comprises a motor body (1) and is characterized by further comprising mounting plates (4), first positioning plates (5) and second positioning plates (6), wherein the two mounting plates (4) are respectively fixed with the two first positioning plates (5), the two second positioning plates (6) are respectively detachably mounted on the two first positioning plates (5), mounting grooves (2) are formed in the two ends of the motor body (1), and the first positioning plates (5) and the second positioning plates (6) are detachably mounted in the mounting grooves (2);

two symmetrically distributed first limit grooves (3) are formed in two ends of the middle motor main body (1), a cavity (10) is formed in the front end of the first locating plate (5), second limit grooves (15) are formed in two ends of the inner side surface of the cavity (10), a gear (11) is rotationally connected to the center of the cavity (10), two tooth plates (12) which are distributed in a staggered and symmetrical mode are slidingly connected to the inside of the cavity (10), the two tooth plates (12) are meshed with the gear (11), moving plates (13) are fixed to the back vertical surfaces of the two tooth plates (12), limit plates (14) are fixed to the back vertical surfaces of the two moving plates (13), the back vertical surfaces of the two limit plates (14) penetrate through the second limit grooves (15) and are located in the first limit grooves (3), connecting rods (26) are mounted to the vertical surfaces of the two tooth plates (11), and the two connecting rods (26) penetrate through the back vertical surfaces of the two connecting rods (4) and are fixed to the front vertical surfaces of the mounting plates (22);

two symmetrically distributed first guide grooves (18) are formed in the right end of the first positioning plate (5), two symmetrically distributed guide rods (16) are fixed at the left end of the second positioning plate (6), and an avoidance groove (19) is formed in the left end of the second positioning plate (6).

2. The electric bicycle integrated center motor according to claim 1, wherein: recess (25) have all been seted up in the inside of two gear (11) the inside of recess (25) all is fixed with spacing piece (29), and two the opposite face of connecting rod (26) all runs through spacing piece (29) and sliding connection are in two the inside of recess (25), and two the equal fixedly connected with second stationary blade (27) of opposite face of connecting rod (26) two second guide way (30) have been seted up to the outer wall of recess (25) the outer wall of second stationary blade (27) still is fixed with two second guide blocks (31), and two the equal sliding connection of second guide block (31) is in the inside of second guide way (30), the inside of recess (25) still is fixed with spacing piece (29).

3. The electric bicycle integrated center motor according to claim 1, wherein: the outer walls of the two connecting rods (26) are respectively fixed with a first fixing piece (23), the front ends of the two mounting plates (4) are respectively provided with a positioning groove (20) used for being embedded into the first fixing pieces (23), the outer walls of the first fixing pieces (23) are also fixed with two tooth blocks (24), and the outer walls of the positioning grooves (20) are also provided with two tooth grooves (21) used for being embedded into the tooth blocks (24).

4. The electric bicycle integrated center motor according to claim 1, wherein: the outer walls of the two connecting rods (26) are also sleeved with return springs (28), and the return springs (28) are positioned between the second fixing pieces (27) and the limiting pieces (29).

5. The electric bicycle integrated center motor according to claim 1, wherein: and a third limit groove (17) is formed in each guide rod (16).

6. The electric bicycle integrated center motor according to claim 1, wherein: two sliding grooves (7) are formed in the inner walls of the two mounting grooves (2), a first guide block (8) is fixed on the outer wall of the first positioning plate (5), and a first guide block (8) is also fixed on the outer wall of the second positioning plate (6).