CN217036938U

CN217036938U - Permanent magnet brushless direct current hub motor for shared electric bicycle

Info

Publication number: CN217036938U
Application number: CN202123350406.7U
Authority: CN
Inventors: 吴振献; 谢亚江; 黄小忠; 李开蕾; 赵书仁; 方跃丽; 陈利荣
Original assignee: Changzhou Yucheng Futong Motor Co Ltd
Current assignee: Changzhou Yucheng Futong Motor Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-22
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a permanent magnet brushless direct current hub motor for a shared electric bicycle, which comprises a bottom plate, wherein the left side and the right side of the upper end of the bottom plate are fixedly connected with connecting rods, the middle parts of the connecting rods are rotatably connected with side plates, one sides of the side plates, which face the middle part of the bottom plate, are fixedly connected with lugs, the upper ends of the side plates are respectively provided with notches, and the notches are respectively abutted against the left side and the right side of a lower connecting plate. According to the utility model, the lug can be clamped with the grooves on the two sides of the baffle plate, the lower connecting plate is pressed downwards by penetrating the lower connecting plate through the grooves on the side edges of the side plates, the side plates are limited under the action of the limiting plate, the upper connecting plate is placed at the upper ends of the side plates, the sliding block slides, the grooves on the side edges of the side plates are plugged through the sliding block and the lower connecting plate, so that the positions of the lower connecting plate and the limiting plate are fixed, and the baffle plate slides downwards on the side plates to limit the direct current motor.

Description

Permanent magnet brushless direct current hub motor for shared electric bicycle

Technical Field

The utility model relates to the field of direct current motors, in particular to a permanent magnet brushless direct current hub motor for a shared electric bicycle.

Background

The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy (dc motor) or convert mechanical energy into dc electrical energy (dc generator). The motor can realize the interconversion of direct current electric energy and mechanical energy. When the motor is used as a motor, the motor is a direct current motor and converts electric energy into mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy.

The direct current motor of present sharing bicycle has the easy not hard up problem on the road of jolting after fixed, moreover install the back inconvenient with dismantle the problem of examining and repairing after.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a permanent magnet brushless direct current hub motor for a shared electric bicycle.

In order to achieve the purpose, the utility model adopts the following technical scheme: the permanent magnet brushless direct current hub motor for the shared electric bicycle comprises a bottom plate, wherein the left side and the right side of the upper end of the bottom plate are fixedly connected with connecting rods, the middle parts of the connecting rods are respectively and rotatably connected with a side plate, one side of each side plate, which faces the middle part of the bottom plate, is respectively and fixedly connected with a convex block, the upper ends of the side plates are provided with notches which are respectively propped against the left side and the right side of the lower connecting plate, the left and right sides of the lower connecting plate are provided with limit plates which are clamped with the side plates at the left and right sides of the bottom plate, the top ends of the side plates are respectively abutted against the left side and the right side of the upper connecting plate, the left bottom end and the right bottom end of the upper connecting plate are both fixedly connected with T-shaped rods, the T-shaped rod penetrates through grooves in the upper ends of the side plates and is connected with sliding blocks in a sliding mode, the other sides of the protruding blocks are arranged in the grooves in the left side and the right side of the direct current motor respectively, and an air cushion is fixedly connected to the middle of the bottom end of the direct current motor.

In some embodiments of the utility model, a sponge cushion is arranged in the middle of the upper end of the bottom plate, and the upper end of the sponge cushion is abutted against the bottom end of the air cushion.

In some embodiments of the utility model, the upper end and the lower end of the bump are both connected with a spring, the other end of the spring is both connected with a pressure plate, and the other side of the pressure plate is abutted against the side edge of the groove of the direct current motor.

In some embodiments of the utility model, the front and rear sides of the left and right side plates are slidably connected to the left and right sides of the baffle plate.

In some embodiments of the utility model, through holes are formed in the middle of one side of each of the side plates on the left side and the right side, annular water pipes are fixedly connected to inner rings of the through holes, and limiting rings are arranged on outer rings of the annular water pipes.

In some embodiments of the utility model, the bottom end of the bottom plate is provided with a threaded groove.

In some embodiments of the utility model, the limiting ring is made of copper, and the outer side of the limiting ring is provided with antirust paint.

In some embodiments of the present invention, a dust screen is disposed in the through hole.

In some embodiments of the utility model, the side plate is made of iron, and the outer side of the side plate is provided with antirust paint.

In some embodiments of the present invention, the bottom ends of the upper connecting plates are all provided with magnets.

The utility model has the following beneficial effects:

in the utility model, firstly, the direct current motor is placed at the upper end of the bottom plate, the side plate rotates around the connecting rod, the lug can be clamped with the grooves at the two sides of the baffle plate, the lower connecting plate passes through the grooves at the side edges of the side plate to press the lower connecting plate downwards, the side plate is limited under the action of the limiting plate, the upper connecting plate is placed at the upper end of the side plate, the sliding block slides, the grooves at the side edges of the side plate are plugged by the sliding block and the lower connecting plate, so that the positions of the lower connecting plate and the limiting plate are fixed, the baffle plate slides downwards on the side plate to limit the direct current motor, the side edge of the direct current motor has the buffer effect when swaying through the pressing plate and the spring, and the lower end of the direct current motor is buffered through the air cushion and the sponge cushion, so that the problem that the swaying amplitude of the direct current motor is too large when a single vehicle is driven on uneven ground is prevented, and finally, the heat dissipation of the direct current motor can be enhanced through the limiting ring and the annular water pipe.

Drawings

Fig. 1 is a front view of a permanent magnet brushless dc hub motor for a shared electric bicycle according to the present invention;

FIG. 2 is a schematic side plate view of a permanent magnet brushless DC hub motor for a shared electric bicycle according to the present invention;

FIG. 3 is a schematic diagram of an upper connection plate of the permanent magnet brushless DC hub motor for the electric bicycle according to the present invention;

fig. 4 is a schematic view of a lower connection plate of the permanent magnet brushless dc hub motor for the shared electric bicycle according to the present invention.

Illustration of the drawings:

1. a base plate; 2. a connecting rod; 3. pressing a plate; 4. a spring; 5. a bump; 6. a side plate; 7. a limiting plate; 8. a lower connecting plate; 9. blocking the plate; 10. a direct current motor; 11. an air cushion; 12. a sponge cushion; 13. an upper connecting plate; 14. a T-shaped rod; 15. a slider; 16. a through hole; 17. a limiting ring; 18. annular water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being capable of being fixedly connected, also capable of being detachably connected, or integrally connected; can be a mechanical connection, but also an electrical connection; can be directly connected or indirectly connected through intervening media, and can communicate between the two elements. The specific meanings of the above terms in the present invention can be understood in a specific case by those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: the permanent magnet brushless direct current hub motor for the shared electric bicycle comprises a bottom plate 1, wherein the left side and the right side of the upper end of the bottom plate 1 are fixedly connected with connecting rods 2, the middle part of each connecting rod 2 is rotatably connected with a side plate 6, the side plates 6 can relatively rotate with the bottom plate 1 through the connecting rods 2, one side of each side plate 6, which faces the middle part of the bottom plate 1, is fixedly connected with a lug 5, the direct current motor 10 can be supported and limited through the lugs 5, the upper ends of the side plates 6 are respectively provided with notches, the notches respectively abut against the left side and the right side of a lower connecting plate 8, the left side and the right side of the lower connecting plate 8 are provided with limiting plates 7, the limiting plates 7 are clamped with the side plates 6 on the left side and the right side of the bottom plate 1, the two side plates 6 are limited and supported through the limiting plates 7 and the lower connecting plate 8, the top ends of the side plates 6 respectively abut against the left side and the right side of an upper connecting plate 13, the left bottom end and the right end of the upper connecting plate 13 are respectively and fixedly connected with a T-shaped rod 14, the T-shaped rod 14 penetrates through the grooves at the upper ends of the side plates 6 and is connected with the sliding blocks 15 in a sliding mode, the sliding blocks 15 are pushed to slide towards the two sides of the upper connecting plate 13 to fix the position of the upper connecting plate 13, the sliding blocks 15 and the lower connecting plate 8 can block the grooves at the side edges of the side plates 6 to fix the positions of the lower connecting plate 8 and the limiting plate 7, the other sides of the convex blocks 5 are respectively arranged in the grooves at the left side and the right side of the direct current motor 10, the middle part of the bottom end of the direct current motor 10 is fixedly connected with the air cushion 11, the front side and the rear side of the left side plate 6 and the right side plate 6 are connected with the left side and the right side of the baffle plate 9 in a sliding mode after the side plates 6 are supported and erected, the front side and the rear side of the direct current motor 10 can be limited, the side plates 6 are made of iron, antirust paint is arranged on the outer sides of the side plates 6, the bottom ends of the upper connecting plate 13 are arranged to be magnets, the upper connecting plate 13 can be adsorbed on the side plates 6, the bottom end of the bottom plate 1 is provided with a thread groove, so that the bottom plate 1 can be fixed on a shared bicycle.

The second embodiment:

referring to fig. 1-4, compared to the above embodiment, the method further includes: the upper and lower both ends of lug 5 all link to each other with spring 4, and spring 4's the other end all links to each other with clamp plate 3 and the opposite side of clamp plate 3 offsets with the side of direct current motor 10 recess, realizes the shock attenuation effect to direct current motor 10 side through clamp plate 3 and

spring

4, and 1 upper end middle part of bottom plate is provided with foam-rubber cushion 12, and foam-rubber cushion 12 upper end offsets with 11 bottoms of air cushion, can carry out the shock attenuation to direct current motor 10's bottom through air cushion 11 and foam-rubber cushion 12.

Example three:

referring to fig. 1-4, compared to the above embodiment, the method further includes: the middle part of controlling 6 one sides of both sides curb plate all is provided with through-hole 16, the outer lane of the inner circle fixedly connected with annular water pipe 18 and annular water pipe 18 of through-hole 16 all is provided with spacing ring 17, ventilate with the external world through-hole 16, absorb heat through annular water pipe 18, through spacing ring 17 and external heat transfer, the material of spacing ring 17 is provided with the anti-rust paint for the outside of copper and spacing ring 17, can strengthen heat transfer capacity through spacing ring 17, be provided with the dust screen in the through-hole 16, prevent that the dust from falling into in direct current motor 10 through-hole 16.

The working principle is as follows: the direct current motor 10 is placed at the upper end of the bottom plate 1, the side plate 6 rotates around the connecting rod 2, the lug 5 can be clamped with grooves on two sides of the baffle plate 9, the lower connecting plate 8 penetrates through the groove on the side edge of the side plate 6, the lower connecting plate 8 is pressed downwards, the side plate 6 is limited under the action of the limiting plate 7, the upper connecting plate 13 is placed at the upper end of the side plate 6, the sliding block 15 slides, the groove on the side edge of the side plate 6 is plugged by the sliding block 15 and the lower connecting plate 8, so that the positions of the lower connecting plate 8 and the limiting plate 7 are fixed, the baffle plate 9 slides downwards on the side plate 6 to limit the direct current motor 10, the buffer effect when the side edge of the direct current motor 10 rocks is realized through the pressing plate 3 and the spring 4, the lower end of the direct current motor 10 is buffered through the air cushion 11 and the sponge cushion 12, and the uneven driving single vehicle is prevented from being driven on the uneven ground, the problem that the shaking amplitude of the direct current motor 10 is too large is solved, and finally the heat dissipation of the direct current motor 10 can be enhanced through the limiting ring 17 and the annular water pipe 18.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a sharing is permanent magnetism brushless direct current wheel hub motor for electric bicycle, includes bottom plate (1), its characterized in that: the connecting rod (2) is fixedly connected to the left side and the right side of the upper end of the bottom plate (1), the side plate (6) is rotatably connected to the middle of the connecting rod (2), a lug (5) is fixedly connected to one side of the side plate (6) facing the middle of the bottom plate (1), notches are formed in the upper end of the side plate (6) and abut against the left side and the right side of the lower connecting plate (8), limit plates (7) are arranged on the left side and the right side of the lower connecting plate (8), the limit plates (7) are clamped with the side plates (6) on the left side and the right side of the bottom plate (1), the top end of the side plate (6) abuts against the left side and the right side of the upper connecting plate (13), T-shaped rods (14) are fixedly connected to the left bottom end and the right side of the upper connecting plate (13), sliders (15) are slidably connected to grooves formed in the T-shaped rods (14) penetrating through the upper ends of the side plates (6), and the other sides of the lug (5) are arranged in grooves on the left side and the right side of the direct current motor (10) respectively, the middle part of the bottom end of the direct current motor (10) is fixedly connected with an air cushion (11).

2. The sharing electric bicycle permanent magnet brushless direct current hub motor of claim 1, characterized in that: the middle part of the upper end of the bottom plate (1) is provided with a spongy cushion (12), and the upper end of the spongy cushion (12) is abutted against the bottom end of the air cushion (11).

3. The sharing electric bicycle permanent magnet brushless direct current hub motor of claim 1, characterized in that: the upper end and the lower end of the convex block (5) are connected with the spring (4), the other end of the spring (4) is connected with the pressing plate (3), and the other side of the pressing plate (3) is abutted to the side edge of the groove of the direct current motor (10).

4. The permanent magnet brushless dc hub motor for the electric bicycle according to claim 1, wherein: the front side and the rear side of the left side plate and the right side plate (6) are both connected with the left side and the right side of the baffle plate (9) in a sliding manner.

5. The sharing electric bicycle permanent magnet brushless direct current hub motor of claim 1, characterized in that: the left and right sides the middle part of curb plate (6) one side all is provided with through-hole (16), the inner circle fixedly connected with annular water pipe (18) of through-hole (16) and the outer lane of annular water pipe (18) all are provided with spacing ring (17).

6. The sharing electric bicycle permanent magnet brushless direct current hub motor of claim 1, characterized in that: the bottom end of the bottom plate (1) is provided with a thread groove.

7. The permanent magnet brushless direct current hub motor for the shared electric bicycle according to claim 5, characterized in that: the limiting ring (17) is made of copper, and antirust paint is arranged on the outer side of the limiting ring (17).

8. The permanent magnet brushless direct current hub motor for the shared electric bicycle according to claim 5, characterized in that: and a dust screen is arranged in the through hole (16).

9. The permanent magnet brushless dc hub motor for the electric bicycle according to claim 1, wherein: the side plates (6) are made of iron, and antirust paint is arranged on the outer sides of the side plates (6).

10. The sharing electric bicycle permanent magnet brushless direct current hub motor of claim 1, characterized in that: the bottom end of the upper connecting plate (13) is provided with a magnet.