Heat dissipation mechanism capable of turning over along with speed and used for motor of electric bicycle

Abstract

The utility model discloses a heat dissipation mechanism capable of turning over along with speed for an electric bicycle motor, which relates to the technical field of heat dissipation devices and comprises a motor body, an output rotating shaft is rotatably mounted at the front end of the motor body, a connecting plate is movably sleeved on the surface of the output rotating shaft, and a rotating plate is fixedly connected to the rear end of the connecting plate. A plurality of sliding grooves are formed in the front end of the rotating plate, driving assemblies are arranged in the sliding grooves, a protective cover is fixedly connected to the rear end of the rotating plate, a plurality of mounting grooves are formed in the side wall of the protective cover, an overturning plate is rotationally mounted at the rear ends of the interiors of the mounting grooves, and a back plate is arranged at the rear end of the motor body. The driving assembly is arranged, the rotating plate rotates along with the output rotating shaft, the sliding block moves towards the end away from the output rotating shaft under the action of centrifugal force, then the overturning plate is jacked up through the hinge rod, the heat dissipation performance of the device is enhanced, and the problem of internal heat accumulation during high-speed operation of the motor is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat dissipation device technical field, concretely relates to a kind of speed flip heat dissipation mechanism for electric bicycle motor. BACKGROUND

[0002] Electric bicycle, referred to as electric vehicle or electric bicycle, it refers to the battery as auxiliary energy source, on the basis of ordinary bicycle, installation of motor, controller, battery, handlebar, brake handle and display instrument system operating components and traffic tools.

[0003] At present, the motor of traditional electric bicycle is mostly installed on wheel support through fixed shell, and the shell structure is fixed, when motor runs at high speed, it is difficult to adjust the heat dissipation performance of shell according to motor speed, resulting in heat accumulation in shell, reducing the service life of motor. UTILITY MODEL CONTENTS

[0004] To solve the above technical problem, a kind of speed flip heat dissipation mechanism for electric bicycle motor is provided, the technical scheme solves the problem that the motor of traditional electric bicycle is mostly installed on wheel support through fixed shell in the background art, and the shell structure is fixed, when motor runs at high speed, it is difficult to adjust the heat dissipation performance of shell according to motor speed, resulting in heat accumulation in shell, reducing the service life of motor.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of speed flip heat dissipation mechanism for electric bicycle motor, including motor main body, the front end of the motor main body is rotatably installed with output shaft, the surface of the output shaft is movably sleeved with connecting plate, the rear end of the connecting plate is fixedly connected with rotating plate, the front end of the rotating plate is provided with a plurality of sliding grooves, a plurality of sliding grooves are each provided with drive assembly in the inside, the rear end of the rotating plate is fixedly connected with protective cover, the sidewall of the protective cover is provided with a plurality of installation grooves, a plurality of installation grooves are rotatably installed with turnover plate in the inside rear end, the rear end of the motor main body is provided with back plate, the front end of the back plate is fixedly connected with sleeve ring, the front end of the sleeve ring is provided with a plurality of fixed components.

[0007] Optionally, the drive assembly on the upper side includes sliding block and hinged seat two, the sliding block is slidably installed in the inside of sliding groove, the rear end of the sliding block is fixedly connected with hinged seat one, the inside of the hinged seat one is hingedly connected with hinged rod, the bottom end front side of the upper side turnover plate is fixedly connected with hinged seat two, the other end of the hinged rod is hingedly connected with the inside of hinged seat two, the top of the sliding block is fixedly connected with damping spring one, the other end of the damping spring one is fixedly connected with the top of sliding groove.

[0008] Optionally, the surface of the output rotating shaft is fixedly connected with a protrusion, the front end of the rotating plate is provided with a groove, and the surface of the protrusion is connected with the inner part of the groove.

[0009] Optionally, the rear end of the back plate is provided with a plurality of air outlets.

[0010] Optionally, the upper fixing assembly comprises a guide groove, the guide groove is arranged on the inner wall top of the sleeve ring, a clamping block is slidably arranged in the guide groove, a plurality of clamping grooves are arranged on the rear end surface of the protective cover, the lower end of the clamping block is connected with the inner part of the clamping groove, a damping spring two is fixedly connected to the top of the clamping block, the other end of the damping spring two is fixedly connected to the top of the guide groove, a through groove is arranged on the front end of the guide groove, a pushing block is fixedly connected to the front end of the clamping block, the pushing block extends out through the through groove, and the side wall of the pushing block is slidably connected with the inner part of the through groove.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The driving assembly is arranged, the rotating plate rotates along with the output rotating shaft, the sliding block moves away from the one end of the output rotating shaft under the action of centrifugal force, the hinge rod lifts the turnover plate, the heat dissipation performance of the device is enhanced, and the problem of internal heat accumulation when the motor runs at high speed is avoided.

[0013] 2. The fixing assembly is arranged, the sleeve ring is fixed with the protective cover through the cooperation of the clamping block and the clamping groove, the clamping block is removed, the fixation of the sleeve ring is released, the device can be installed or disassembled and maintained by the staff, the structure is simple, the operation is convenient, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure sectional view of the utility model;

[0016] Figure 3 It is Figure 2 It is a local enlarged schematic view of structure in A;

[0017] Figure 4 It is Figure 2 It is a local enlarged schematic view of structure in B.

[0018] The figure mark is:

[0019] 1, motor body; 2, output shaft; 21, protrusion; 3, connecting plate; 4, rotating plate; 41, sliding groove; 42, groove; 5, drive assembly; 51, sliding block; 52, hinged seat one; 53, hinged rod; 54, hinged seat two; 55, damping spring one; 6, protective cover; 61, clamping groove; 7, mounting groove; 8, turnover plate; 9, back plate; 91, air outlet; 10, collar; 11, fixing assembly; 111, guide groove; 112, clamping block; 113, damping spring two; 114, through groove; 115, push block. DETAILED DESCRIPTION

[0020] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.

[0021] Referring to Figure 1 As shown in the figure, a speed-adjustable turnover heat dissipation mechanism for electric bicycle motor, comprising a motor body 1, the front end of the motor body 1 is rotatably installed with an output shaft 2, the surface of the output shaft 2 is movably sleeved with a connecting plate 3, the rear end of the connecting plate 3 is fixedly connected with a rotating plate 4, the front end of the rotating plate 4 is provided with a plurality of sliding grooves 41, the inside of the plurality of sliding grooves 41 is provided with a drive assembly 5, the rear end of the rotating plate 4 is fixedly connected with a protective cover 6, the sidewall of the protective cover 6 is provided with a plurality of mounting grooves 7, the rear end of the inside of the plurality of mounting grooves 7 is rotatably installed with a turnover plate 8, the rear end of the motor body 1 is provided with a back plate 9, the front end of the back plate 9 is fixedly connected with a collar 10, the front end of the collar 10 is provided with a plurality of fixing assemblies 11, in use, the rotating plate 4 is rotated by the output shaft 2, the sliding block 51 in the drive assembly 5 moves to the end away from the output shaft 2 under the action of centrifugal force, the hinged rod 53 lifts the turnover plate 8, after the turnover plate 8 is opened, the air inlet is improved through the mounting groove 7, the heat dissipation performance of the device is enhanced, and the purpose of speed adjustment is realized, by moving the clamping block 112 in the fixing assembly 11 out of the clamping groove 61, the fixing of the collar 10 and the protective cover 6 can be released, the worker can take down the back plate 9, and the device can be disassembled from the motor body 1, the work of maintenance and repair is carried out, and the practicability of the device is improved.

[0022] Further, as Figure 2 - Figure 4As shown, the upper side driving assembly 5 comprises a sliding block 51 and a hinged seat two 54, the sliding block 51 is slidingly installed in the inner part of the sliding groove 41, the rear end of the sliding block 51 is fixedly connected with a hinged seat one 52, the inner part of the hinged seat one 52 is hingedly connected with a hinge rod 53, the hinged seat two 54 is fixedly connected to the bottom end of the front side of the upper turnover plate 8, the other end of the hinge rod 53 is hingedly connected with the inner part of the hinged seat two 54, the top of the sliding block 51 is fixedly connected with a damping spring one 55, the other end of the damping spring one 55 is fixedly connected with the top of the sliding groove 41, the surface of the output shaft 2 is fixedly connected with a protruding block 21, the front end of the rotating plate 4 is provided with a recess 42, the surface of the protruding block 21 is clamped with the inner part of the recess 42, the rear end of the back plate 9 is provided with a plurality of air outlets 91, when the motor works, through the cooperation of the protruding block 21 and the recess 42, the rotating plate 4 is rotated with the output shaft 2, the sliding block 51 is moved to the end away from the output shaft 2 by the centrifugal force generated when the rotating plate 4 rotates, and the stability of the sliding block 51 is improved by the damping spring one 55, the sliding block 51 drives the hinge rod 53 to move through the hinged seat one 52, the hinge rod 53 lifts the turnover plate 8 through the hinged seat two 54, improves the air intake, and according to different rotating speeds, the centrifugal force is also different, the position of the sliding block 51 and the turning angle of the turnover plate 8 are also different, the speed regulation is realized, when the motor stops, the sliding block 51 is located at the end close to the output shaft 2 in the sliding groove 41 under the action of the damping spring one 55, at this time, the turnover plate 8 keeps horizontal, which protects the motor main body 1 inside and effectively avoids the heat accumulation problem, enhances the heat dissipation performance, and ensures the normal operation of the motor.

[0023] The upper side fixing assembly 11 comprises a guide groove 111, which is formed in the inner wall top of the sleeve ring 10, a clamping block 112 is slidably installed in the guide groove 111, a plurality of clamping grooves 61 are formed in the rear end surface of the protective cover 6, the lower end of the clamping block 112 is clamped with the inner part of the clamping groove 61, a damping spring two 113 is fixedly connected to the top of the clamping block 112, the other end of the damping spring two 113 is fixedly connected to the top of the guide groove 111, a through groove 114 is formed in the front end of the guide groove 111, a pushing block 115 is fixedly connected to the front end of the clamping block 112, the pushing block 115 extends out through the through groove 114, and the side wall of the pushing block 115 is slidably connected with the inner part of the through groove 114, before use, the connecting plate 3, the rotating plate 4 and the protective cover 6 are installed from the front end of the output rotating shaft 2, the convex block 21 is clamped with the recessed groove 42, the back plate 9 and the sleeve ring 10 are installed from the rear end of the motor body 1, the sleeve ring 10 is slidably connected along the surface of the protective cover 6, the back plate 9 is appropriately rotated, the clamping block 112 is aligned with the clamping groove 61, the clamping block 112 is popped out from the guide groove 111 under the action of the damping spring two 113 and is clamped with the clamping groove 61, so that the sleeve ring 10 is fixed with the protective cover 6, and the installation of the device is completed, when the device or the motor needs to be maintained and repaired, the clamping block 112 is removed from the clamping groove 61 by pushing the pushing block 115, so that the fixation of the sleeve ring 10 and the protective cover 6 is released, the device and the motor body 1 are separated, the structure is simple, the operation is convenient, and the practicability of the device is improved.

[0024] The working principle of the utility model is as follows: before use, the connecting plate 3, the rotating plate 4 and the protective cover 6 are installed from the front end of the output rotating shaft 2, and the convex block 21 is clamped with the recessed groove 42, then the sleeve ring 10 is slidably connected to the rear end of the protective cover 6 together with the back plate 9, the sleeve ring 10 is fixed with the protective cover 6 through the clamping of the clamping block 112 and the clamping groove 61, the installation of the device is completed, when the motor operates, the centrifugal force generated by the rotation of the rotating plate 4 drives the sliding block 51 to move away from the one end of the output rotating shaft 2, so that the hinged rod 53 lifts the turnover plate 8, the air inlet is increased, and according to different rotating speeds, the opening angle of the turnover plate 8 is also different, the speed regulation is realized, the heat dissipation performance of the device is effectively improved, and the normal operation of the motor is ensured.

[0025] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A speed-sensitive rotating heat dissipation mechanism for an electric bicycle motor, characterized in that: The utility model relates to a motor body (1), the front end of motor body (1) rotatory installation has output rotating shaft (2), the surface of output rotating shaft (2) is active and is connected with the connecting plate (3) of sleeve, the rear end fixed connection of connecting plate (3) has rotary plate (4), the front end of rotary plate (4) is equipped with a plurality of slide groove (41), a plurality of slide groove (41) are equipped with drive assembly (5) inside, the rear end fixed connection of rotary plate (4) has protective cover (6), the lateral wall of protective cover (6) is equipped with a plurality of mounting groove (7), a plurality of mounting groove (7) are equipped with turnover plate (8) and are rotatory installed to the rear end inside, the rear end of motor body (1) is equipped with backboard (9), the front end fixed connection of backboard (9) has lantern ring (10), the front end of lantern ring (10) is equipped with a plurality of fixed component (11).

2. A speed-dependent turnover heat dissipation mechanism for an electric motor of an electric bicycle according to claim 1, characterized in that: The utility model relates to a motor body (1), the front end of motor body (1) rotatory installation has output rotating shaft (2), the surface of output rotating shaft (2) is active and is connected with the connecting plate (3) of sleeve, the rear end fixed connection of connecting plate (3) has rotary plate (4), the front end of rotary plate (4) is equipped with a plurality of slide groove (41), a plurality of slide groove (41) are equipped with drive assembly (5) inside, the rear end fixed connection of rotary plate (4) has protective cover (6), the lateral wall of protective cover (6) is equipped with a plurality of mounting groove (7), a plurality of mounting groove (7) are equipped with turnover plate (8) and are rotatory installed to the rear end inside, the rear end of motor body (1) is equipped with backboard (9), the front end fixed connection of backboard (9) has lantern ring (10), the front end of lantern ring (10) is equipped with a plurality of fixed component (11).

3. The speed-dependent turnover heat dissipation mechanism for an electric motor of an electric bicycle according to claim 1, characterized in that: The surface of output rotating shaft (2) is fixedly connected with the lug (21), the front end of rotary plate (4) is equipped with recess (42), the surface of lug (21) is connected with recess (42) inside.

4. The speed-dependent turnover heat dissipation mechanism for an electric motor of an electric bicycle according to claim 1, characterized in that: The rear end of backboard (9) is equipped with a plurality of air outlet (91).

5. The speed-dependent flip-flop heat dissipation mechanism for an electric motor of an electric bicycle according to claim 1, characterized in that: The utility model relates to a motor body (1), the front end of motor body (1) rotatory installation has output rotating shaft (2), the surface of output rotating shaft (2) is active and is connected with the connecting plate (3) of sleeve, the rear end fixed connection of connecting plate (3) has rotary plate (4), the front end of rotary plate (4) is equipped with a plurality of slide groove (41), a plurality of slide groove (41) are equipped with drive assembly (5) inside, the rear end fixed connection of rotary plate (4) has protective cover (6), the lateral wall of protective cover (6) is equipped with a plurality of mounting groove (7), a plurality of mounting groove (7) are equipped with turnover plate (8) and are rotatory installed to the rear end inside, the rear end of motor body (1) is equipped with backboard (9), the front end fixed connection of backboard (9) has lantern ring (10), the front end of lantern ring (10) is equipped with a plurality of fixed component (11).

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