CN212047771U

CN212047771U - Bicycle booster convenient to installation

Info

Publication number: CN212047771U
Application number: CN202020441850.6U
Authority: CN
Inventors: 彭帅; 彭士兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-12-01
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a bicycle booster convenient to install, which comprises a battery pack, a battery controller, an outer rotor motor and a motor tire; the outer rotor motor is electrically connected with the battery and is fixed on the outer side of the battery tail cover through a motor support, and the outer surface of the tire of the motor is provided with a friction surface which interacts with the rear wheel of the bicycle; the battery pack is fixed on the bicycle frame through the quick-release fixing frame. The utility model discloses a bicycle booster has the installation of being convenient for, along with adorning effect along with using.

Description

Bicycle booster convenient to installation

Technical Field

The utility model relates to a bicycle accessory technical field, it is very much, relate to a bicycle booster convenient to installation.

Background

With the continuous increase of motor vehicles, the problems of high energy consumption, high pollution, traffic jam and the like are increasingly serious, and people are more willing to ride bicycles for green travel. However, when a common bicycle is used on an uphill slope or a long distance, great physical strength of riders can be consumed, and the efficiency of work and life is seriously influenced. And some existing bicycle boosters all have the defects of inconvenient installation and disassembly, heavy weight, inconvenience in carrying and the like.

No. CN207106774U discloses a quick assembly disassembly's bicycle booster, including quick detach formula fixation clamp, motor fixed bolster, motor dynamic support, external rotor electric machine, motor tire, quick detach formula fixation clamp can dismantle to set up on bicycle back parallel fork, motor fixed bolster one end is fixed in on the quick detach formula fixation clamp, and the other end rotates through the connecting axle and connects motor dynamic support, the fixed external rotor electric machine of motor dynamic support one end, the motor tire is established to the cover on the external rotor electric machine, external rotor electric machine is connected with the machine controller electricity, the machine controller passes through the electric wire and connects battery and speed regulator respectively, motor fixed bolster lower part sets up the screw that ends for motor dynamic support's is spacing.

Although the bicycle booster has the effect of convenient assembly and disassembly, the problem of complex assembly is caused by the fact that the outer rotor motor and the battery are fixed on the bicycle frame in a split mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bicycle booster convenient to installation.

The above object of the present invention can be achieved by the following technical solutions:

a bicycle booster convenient to mount comprises a battery pack, an outer rotor motor fixed on the battery pack, and a motor tire sleeved and fixed on the outer rotor motor, wherein the outer rotor motor is electrically connected with a motor controller, and the motor controller is respectively connected with a battery and a speed regulator through electric wires;

the outer rotor motor is fixed on the outer side of the battery tail cover through a motor support, the axial direction of the outer rotor motor is parallel to the axial direction of a rear wheel of the bicycle, and the outer surface of a tire of the motor is provided with a friction surface which interacts with the rear wheel of the bicycle;

the battery pack is fixed on a bicycle frame through a quick-release fixing frame, the quick-release fixing clamp comprises a front end fixing frame and a rear end fixing frame, the front end fixing frame comprises a bearing seat for bearing the battery pack and a hoop part for connecting with the bicycle frame, the hoop part is fixedly connected on the bearing seat through a locking nail, the angle between the hoop part and the bearing seat is adjustable, and the hoop part is connected with a seat stay bar of the bicycle frame; the rear end fixed frame is arranged to be of a door-shaped structure, the top end of the rear end fixed frame is connected with the bottom wall of the battery pack, the two bottom ends of the rear end fixed frame are detachably connected with rear wheel inclined rods on two sides of the bicycle respectively, and the height of the rear end fixed frame is adjustable.

Through adopting above-mentioned technical scheme, close group battery and external rotor electric machine as an organic whole, with this booster ann back on the bicycle, the bicycle has just produced the power-assisted function, and when unloading the booster then the bicycle has resumeed the former state completely, can ride as usual and use, consequently, the device has very high practicality, does benefit to popularization and application. The setting of quick detach formula mount has made things convenient for the installation of booster, and has realized the portable function of booster, and is very convenient. During installation, the hoop part is fixed on the seat stay bar, the rear end fixing frame is fixed on the rear wheel diagonal bar, and the battery pack with the outer rotor motor is fixed on the frame through the rear end fixing frame and the front end fixing frame. The angle between the bearing seat and the hoop part is adjusted to adapt to frames with different inclination angles, so that the inclination angle of the battery pack can be adjusted; the height of the rear end fixing frame is adjusted to adjust the distance between the outer rotor motor and the outer surface of the rear wheel. Thereby realizing the stable friction action between the motor tire and the rear wheel tire.

Furthermore, the bearing seat is provided with an installation groove for installing the hoop part, and the end part of the hoop part is embedded in the installation groove and is rotationally connected with the bearing seat through a locking nail;

the bearing seat is provided with a through hole for the penetration of a locking nail, the peripheral circumference of the through hole at one side of the inner wall of the mounting groove is provided with a plurality of limiting bulges, and the peripheral circumference of the through hole at the other side is provided with a plurality of limiting grooves which are in one-to-one correspondence with the limiting bulges;

the clamp is characterized in that two opposite sides of the clamp are respectively provided with a limiting protrusion and a limiting groove, the limiting protrusion of the inner wall of the mounting groove is matched with the limiting groove in the clamp, and the angle between the clamp and the bearing seat is adjusted and fixed through the limiting protrusion and the limiting groove.

Through adopting above-mentioned technical scheme, during the group battery installation, can become flexible locking nail in advance, then the horizontal direction of fixed group battery to fix clamp spare on the seat vaulting pole, screw the locking nail at last, spacing arch inlays and establishes in the spacing recess that corresponds, and under the clamping action of mounting groove both sides, realize clamp spare and accept the fixed of angle between the seat, thereby realize the front end mount to the better supporting role of group battery.

Furthermore, the bearing seat comprises a connecting body used for being connected with the hoop component and a bearing plate body used for being connected with the battery pack, an arc-shaped positioning surface matched with the shape of the end part of the front cover of the battery is arranged on one side, facing the battery pack, of the connecting body, a slide rail type positioning convex edge is arranged on the bearing plate body, and a connecting hole used for being connected with the battery pack is formed in the positioning convex edge;

the battery pack bottom wall is provided with a positioning slide rail matched with the positioning convex rib.

By adopting the technical scheme, the stable bearing effect on the battery pack is realized.

Furthermore, the length direction of the top wall of the rear end fixing frame is perpendicular to the length direction of the battery pack, the top wall of the rear end fixing frame is fixed on the battery pack through bolts, and two side walls of the rear end fixing frame are of a screw rod sleeve type telescopic structure.

Through adopting above-mentioned technical scheme, this simple structure, through two end arms of rotating rear end mount, can realize very conveniently to the regulation of rear end mount height.

Furthermore, the motor support is of a lug structure, one end of the motor support is fixed on the outer wall of the battery tail cover, and the other end of the motor support is connected with the outer rotor motor.

Through adopting above-mentioned technical scheme, this simple structure has realized the quick detach of external rotor electric machine.

Furthermore, the middle part of the outer wall of the outer rotor motor is provided with an arc-shaped concave part, a cylindrical structure with two wide ends and a narrow middle part is formed, the friction surfaces of the motor tire comprise a first friction surface positioned on the outer surface of the middle part of the outer rotor motor and second friction surfaces obliquely positioned on two sides of the first friction surface, the two second friction surfaces are clamped and rubbed on the outer side of the rear wheel, and a plurality of friction teeth are respectively arranged on the first friction surface and the second friction surfaces.

Through adopting above-mentioned technical scheme, the area of contact between motor tire and the rear wheel has been improved in setting up of first friction surface and second friction surface, and the setting of friction tooth has further improved the frictional force between the two.

Furthermore, the motor support is of a hollow structure, and an incoming cable of the outer rotor motor penetrates through the fixing frame and the motor wire interface and is electrically connected with the battery.

By adopting the technical scheme, the connection between the outer rotor motor and the battery pack is facilitated, and the phenomena of disorder and easy pollution damage caused by exposed cables are reduced.

Further, the external diameter of battery tail-hood is greater than the external diameter of a battery aluminium section of thick bamboo, the one end that battery tail-hood deviates from the battery protecgulum is provided with the heat dissipation bottom plate, be provided with waterproof concave surface on the heat dissipation bottom plate, be provided with motor line interface and assembly line interface on the waterproof concave surface.

Through adopting above-mentioned technical scheme, the waterproof concave surface of setting on the radiating bottom plate has the possible advantage that gets into motor line interface and assembly line interface such as reduction rainwater, dust, plays water-proof effects. And set up motor line interface and the assembly line interface at the group battery tail end, made things convenient for the installation of motor line and assembly line, can effectively reduce the installation that each power cord links to each other with the group battery and cause loaded down with trivial details, can reduce the potential safety hazard that many power cords intertwine caused to the whole aesthetic property of bicycle has been improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. the booster of the utility model has simple structure, can be directly applied to the traditional bicycle through the front end fixing frame and the rear end fixing frame, and can be rapidly installed;

2. the utility model ensures that the booster can be arranged on the seat stay bar at a fixed geometric angle through the front end fixing frame and the rear end fixing frame which are arranged on the seat bar and the rear wheel diagonal bar, so that the outer rotor motor can be contacted with the tire tread and kept when in operation, thereby achieving the purpose of providing boosting;

3. the utility model discloses a booster has light in weight, small, installs convenient characteristic, need not to disassemble the bicycle part during the installation, when stopping the helping hand, through the height of adjusting front end mount and rear end mount, realizes external rotor electric machine and tire separation, can not ride normally and produce the resistance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the battery pack according to the present invention.

Fig. 3 is a schematic structural diagram for embodying the heat dissipation bottom plate of the present invention.

Fig. 4 is a schematic structural diagram of the external rotor electric machine of the present invention.

Fig. 5 is a schematic view of the connection structure of the socket and the band member of the present invention.

In the figure, 1, a battery pack; 11. a battery front cover; 12. a battery aluminum can; 13. a battery tail cover; 131. a heat dissipation base plate; 1311. a waterproof concave surface; 1312. a motor line interface; 1313. an assembly line interface; 14. positioning the slide rail; 2. an outer rotor motor; 3. a motor tire; 31. a first friction face; 32. a second friction face; 33. friction teeth; 4. a motor bracket; 5. a front end fixing frame; 51. a bearing seat; 511. a linker; 5111. an arc-shaped positioning surface; 512. receiving the plate body; 5121. positioning the convex ribs; 5122. connecting holes; 513. mounting grooves; 514. a through hole; 515. a limiting bulge; 52. a clamp member; 53. locking nails; 6. a rear end fixing frame; 7. a motor controller; 8. a speed regulator.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1, for the utility model discloses a bicycle booster convenient to installation, including group battery 1, set up at the inside battery controller of group battery 1, fix external rotor electric machine 2 on group battery 1, the cover is established and is fixed motor tire 3 on external rotor electric machine 2 (see fig. 4).

Referring to fig. 2, the battery pack 1 includes a battery front cover 11, a battery aluminum can 12, and a battery rear cover 13. The aluminum can 12 is a cylindrical structure to reduce friction between the battery pack 1 and bicycle components. The battery controller is arranged in the battery tail cover 13, and the outer diameter of the battery tail cover 13 is larger than that of the battery aluminum barrel 12, so that the battery controller can be universally suitable for mounting the domestic square battery controller, and the applicability of the battery controller is improved. Like this, battery controller and group battery 1 adopt the integral type design, and not only easy to assemble can reduce the product volume moreover, promotes the harmony of whole car, is particularly useful for repacking market.

Referring to fig. 2 and 3, the axial cross-sectional shape of the battery tail cover 13 is a trapezoid structure, a heat dissipation bottom plate 131 is arranged at one end of the battery tail cover 13 away from the battery front cover 11, and the plane where the heat dissipation bottom plate 131 is located is an inclined plane, so that the heat dissipation bottom plate 131 can be attached to the battery tail cover 13 more compactly, the heat dissipation area is higher, and the heat dissipation efficiency is ensured. Waterproof concave surface 1311 is provided on heat radiation base plate 131, and waterproof concave surface 1311 is provided on one side of heat radiation base plate 131 close to the bottom wall of battery pack 1, and waterproof concave surface 1311 occupies one third of the area of heat radiation base plate 131. The waterproof concave surface 1311 is provided with a motor line interface 1312 and an assembly line interface 1313, and the assembly line interface 1313 can be at least connected with one of control electric quantity display, speed display, mileage display, assistance ratio adjustment and brake crank power failure. Therefore, the whole vehicle is more convenient to assemble. Both the motor line interface 1312 and the assembly line interface 1313 are provided with waterproof plugs. The countersunk structure forming the waterproof concave surface 1311 ensures that the power plug and the power switch do not exceed the bottom of the lower cover, and improves the waterproof requirement of the battery box.

Referring to fig. 3, preferably, the external rotor motor 2 is electrically connected to the motor controller 7 and fixed outside the battery tail cover 13 through the motor bracket 4, the motor controller 7 may be disposed at an end of the external rotor motor 2 or directly fixed to the battery pack 1, and the specific fixing manner may be bolt fixing, or integrally fixed to a housing at an end of the external rotor motor 2. The motor controller 7 is connected with the battery 1 through a wire, and is connected with the speed regulator 8 through another wire.

The motor support 4 is of a hollow lug structure, one end of the motor support 4 is fixed on the outer wall of the battery tail cover 13, the other end of the motor support 4 is connected with the axial tail end of the outer rotor motor 2, and a wire inlet cable of the outer rotor motor 2 penetrates through the motor support 4 and the motor wire interface 1312 and is electrically connected with the battery. The axial direction of the outer rotor motor 2 is parallel to the axial direction of the bicycle rear wheel, the middle part of the outer wall of the outer rotor motor 2 is provided with an arc-shaped concave part and forms a cylindrical structure with two wide ends and a narrow middle part, the motor tyre 3 is fixedly attached to the outer wall of the outer rotor motor 2, and the outer surface of the motor tyre 3 is provided with a friction surface interacting with the bicycle rear wheel.

Referring to fig. 4, the friction surfaces of the motor tire 3 include a first friction surface 31 located on the outer surface of the middle portion of the outer rotor motor 2 and second friction surfaces 32 obliquely located on both sides of the first friction surface 31, the two second friction surfaces 32 are clamped and rubbed on the outer side of the rear wheel, and a plurality of friction teeth 33 are respectively arranged on the first friction surface 31 and the second friction surfaces 32. The provision of the first friction surface 31 and the second friction surface 32 increases the contact area between the motor tire 3 and the rear wheel, and the provision of the friction teeth 33 further increases the frictional force therebetween.

Referring to fig. 1 and 5, the battery pack 1 is fixed to a bicycle frame by a quick release type fixing bracket including a front end fixing bracket 5 and a rear end fixing bracket 6. One end of the front end fixing frame 5 is connected with the front end of the battery pack 1, and the other end of the front end fixing frame is connected with a seat stay bar of a bicycle frame; one end of the rear end fixing frame 6 is fixedly connected with the shell of the battery pack 1, and the other end of the rear end fixing frame is connected with a rear wheel diagonal rod of the bicycle. The front end fixing frame 5 comprises a bearing seat 51 for bearing the battery pack 1 and a hoop part 52 for connecting with a bicycle frame, the hoop part 52 is fixedly connected on the bearing seat 51 through a locking nail 53, and the angle between the hoop part and the bearing seat 51 is adjustable.

Referring to fig. 5, the receiving seat 51 includes a connecting body 511 for connecting with the yoke member 52, and a receiving plate body 512 for connecting with the battery pack 1. An arc-shaped positioning surface 5111 matched with the shape of the end part of the battery front cover 11 is arranged on one side of the connecting body 511 facing the battery pack 1, a slide rail type positioning convex edge 5121 is arranged on the bearing plate body 512, and a connecting hole 5122 used for being connected with the battery pack 1 is arranged on the positioning convex edge 5121. In order to realize stable connection of the battery pack 1, the bottom wall of the battery pack 1 is provided with a positioning slide rail 14 (see fig. 3) which is matched with the positioning convex rib 5121.

Referring to fig. 5, the connection body 511 of the socket 51 is provided with a mounting groove 513 to which the clip 52 is mounted, and an end of the clip 52 is fitted into the mounting groove 513 and is rotatably connected to the socket 51 by a locking pin 53. The connecting body 511 is provided with a through hole 514 for the locking nail 53 to penetrate through, the peripheral circumferential array of the through hole 514 on one side of the inner wall of the mounting groove 513 is provided with a plurality of limiting bulges 515, and the peripheral circumferential array of the through hole 514 on the other side is provided with a plurality of limiting grooves corresponding to the limiting bulges 515 one to one. The two opposite sides of the clamp member 52 are respectively provided with a limiting protrusion 515 and a limiting groove, the limiting protrusion 515 on the inner wall of the mounting groove 513 is matched with the limiting groove on the clamp member 52, and the angle between the clamp member 52 and the bearing seat 51 is adjusted and fixed through the limiting protrusion 515 and the limiting groove.

When the battery pack 1 is installed, the locking nail 53 can be loosened in advance, then the horizontal direction of the battery pack 1 is adjusted, the hoop clamping piece 52 is fixed on the seat support rod, the locking nail 53 is screwed finally, the limiting protrusion 515 is embedded in the corresponding limiting groove, under the clamping action of the two sides of the installation groove 513, the fixation of the angle between the hoop clamping piece 52 and the bearing seat 51 is realized, and the better supporting action of the front end fixing frame 5 on the battery pack 1 is realized. The angle between the bearing seat 51 and the hoop part 52 is adjusted to adapt to the frames with different inclination angles.

Referring to fig. 1, the rear end fixing frame 6 is arranged to be of a door-shaped structure, the top end of the rear end fixing frame 6 is connected with the bottom wall of the battery pack 1, the two bottom ends of the rear end fixing frame are detachably connected with rear wheel inclined rods on two sides of a bicycle respectively, and the height of the rear end fixing frame 6 is adjustable. The length direction of the top wall of the rear end fixing frame 6 is perpendicular to the length direction of the battery pack 1, the top wall of the rear end fixing frame 6 is fixed on the battery pack 1 through bolts, and two side walls of the rear end fixing frame 6 are of a screw rod sleeve type telescopic structure. The height of the rear end fixing frame 6 is adjusted to adjust the distance between the outer rotor motor 2 and the outer surface of the rear wheel, so that stable friction between the motor tire 3 and the rear wheel tire is achieved.

The utility model discloses a booster installs battery controller in group battery 1, and it has the reduction damage, prolongs its life, reduces the winding advantage of cable. The battery pack 1 and the external rotor motor 2 are integrated, after the booster is arranged on the bicycle, the bicycle generates a power assisting function, and when the booster is dismounted, the bicycle completely recovers the original shape and can be ridden as usual, so the device has high practicability and is beneficial to popularization and application. The setting of quick detach formula mount has made things convenient for the installation of booster, and has realized the portable function of booster, and is very convenient. The utility model discloses a bicycle booster's theory of operation is the same with prior art, all adopts external rotor electric machine and machine controller to be connected with the battery, and the external rotor electric machine outside sets up the motor tire, and the difference is that the shape structure of motor tire is different, and external rotor electric machine's connected mode is different.

The rider manually controls the speed regulator 8, the motor controller 7 receives signals and starts the outer rotor motor at the moment, the outer rotor motor starts to rotate clockwise rapidly, and when the rotating speed of the outer rotor motor 2 is greater than that of the rear wheel, the outer rotor motor 2 applies downward friction to the contact surface of the rear wheel, so that the effect of long-distance power assistance is achieved.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a bicycle booster convenient to installation which characterized in that: the electric vehicle comprises a battery pack, an outer rotor motor fixed on the battery pack and a motor tire sleeved and fixed on the outer rotor motor, wherein the outer rotor motor is electrically connected with a motor controller which is respectively connected with a battery and a speed regulator through electric wires;

2. A bicycle booster for facilitating installation as set forth in claim 1, wherein: the bearing seat is provided with a mounting groove for mounting the hoop part, and the end part of the hoop part is embedded in the mounting groove and is rotationally connected with the bearing seat through a locking nail;

3. A bicycle booster for facilitating installation as set forth in claim 2, wherein: the bearing seat comprises a connecting body used for being connected with the hoop component and a bearing plate body used for being connected with the battery pack, an arc-shaped positioning surface matched with the shape of the end part of the front cover of the battery is arranged on one side, facing the battery pack, of the connecting body, a slide rail type positioning convex edge is arranged on the bearing plate body, and a connecting hole used for being connected with the battery pack is formed in the positioning convex edge;

4. A bicycle booster for facilitating installation as set forth in claim 2, wherein: the length direction of the top wall of the rear end fixing frame is perpendicular to the length direction of the battery pack, the top wall of the rear end fixing frame is fixed on the battery pack through bolts, and two side walls of the rear end fixing frame are of a screw rod sleeve type telescopic structure.

5. A bicycle booster for facilitating installation as set forth in claim 4, wherein: the motor support is of a lug structure, one end of the motor support is fixed on the outer wall of the battery tail cover, and the other end of the motor support is connected with the outer rotor motor.

6. A bicycle booster for facilitating installation as set forth in claim 5, wherein: the outer wall middle part of external rotor motor is provided with the arc indent and forms the narrow cylindricality structure in the middle of the both ends width, the friction surface of motor tire includes the first friction surface that is located external surface in the middle part of external rotor motor and is located the second friction surface that first friction surface both sides slope set up, two the second friction surface centre gripping rubs in the rear wheel outside, be provided with a plurality of friction teeth on first friction surface and the second friction surface respectively.

7. A bicycle booster for facilitating installation as set forth in claim 6, wherein: the motor support is of a hollow structure, and a motor controller incoming cable of the outer rotor motor penetrates through the fixing frame and the motor wire interface and is electrically connected with the battery.

8. A bicycle booster for facilitating installation as set forth in claim 1, wherein: the battery pack comprises a battery front cover, a battery aluminum cylinder, a battery tail cover and a battery controller arranged in the battery pack, wherein the battery controller is arranged in the battery tail cover, the outer diameter of the battery tail cover is larger than that of the battery aluminum cylinder, a heat dissipation bottom plate is arranged at one end, deviating from the battery front cover, of the battery tail cover, a waterproof concave surface is arranged on the heat dissipation bottom plate, and a motor line interface and an assembly line interface are arranged on the waterproof concave surface.