Frame fixing mechanism for mid-motor of electric motorcycle

Abstract

The utility model relates to the technical field of electric motorcycles, in particular to a frame fixing mechanism for a built-in motor of an electric motorcycle, which comprises a main beam, a fixing frame arranged on the lower portion of the main beam, a direct drive motor arranged below the fixing frame, two vertical plates respectively arranged at two ends of the direct drive motor, and a fixing plate arranged on the upper sides of the vertical plates. A fixing rod is fixedly connected between the two fixing plates, the two ends of the fixing rod are fixedly connected with the two fixing plates through bolts respectively, and the outer side of the fixing rod is fixedly welded to the lower side of the fixing frame. According to the utility model, the fixed rod and the fixed frame machine main beam are welded and fixedly connected, and then the two fixed plates and the fixed rod are fixedly connected through the bolts, so that the direct-drive motor can be quickly mounted and fixed on the lower side of the fixed frame, the maintenance of the direct-drive motor is facilitated, and the mounting structure of the direct-drive motor is simple and convenient to operate. And the vertical plate, the fixing rod and the connecting rod are all standard parts, so that the universality is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric motorcycle technical field, concretely is a kind of electric motorcycle middle motor is used frame fixing mechanism. BACKGROUND

[0002] At present, the motor on the electric vehicle and electric motorcycle commonly used in market, mainly have wheel hub motor, side hanging motor, gear motor.Wheel hub motor disadvantage is power density small, bulky, low speed.Side hanging motor rear flat fork spring weight is heavy, gravity deviates from wheel center position, influence the performance of whole vehicle.Gear motor manufacturing difficulty is big, noise is big, structure is complex, transmission's stability is poor, easy mutation, need to add lubricating oil, maintenance, maintenance trouble.In addition, the existing motor is generally installed in the rear of frame, due to the limitation of installation space, its motor size is limited, so only some smaller power motor can be installed.For this problem, part of manufacturers install motor in the middle of frame with larger space.

[0003] The existing middle motor is used frame fixing mechanism has certain problem, the structure of motor installation is complex, is not convenient for the installation and disassembly of motor, and it is inconvenient for motor maintenance;And motor installation structure needs to be specially made, and the universality is poor;It causes the high cost of electric motorcycle, low cost performance, poor market acceptance. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of electric motorcycle middle motor is used frame fixing mechanism, to overcome the above-mentioned defects in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of electric motorcycle middle motor is used frame fixing mechanism, including main beam, the lower part of the main beam is welded and fixed with fixed frame, the lower side of the fixed frame is equipped with direct drive motor, the both ends of the direct drive motor are respectively equipped with two vertical boards, the upper side of two vertical boards is respectively fixed with two fixed plates, two fixed plates are fixedly connected with two fixed rods between, the both ends of each fixed rod are respectively bolted and fixedly connected with two fixed plates, the lower side of each fixed rod is welded and fixed with fixed frame, a plurality of connecting rods are fixedly connected between two vertical boards, and a plurality of connecting rods are circumferentially arrayed on the outside of direct drive motor.

[0006] Among them, fixed rod and fixed frame machine main beam are mutually welded and fixedly connected, then two fixed plates and fixed rod are fixedly connected by bolt, so as to be quickly installed and fixed direct drive motor on the lower side of fixed frame, it is beneficial to the maintenance of direct drive motor, and the installation structure of direct drive motor is simple, then vertical board and fixed rod and connecting rod are all standard parts, and the universality is good.

[0007] Preferably, one end of the direct drive motor is bolted with a gearbox, the gearbox is bolted with a cover, and the output end of the direct drive motor is fixedly connected with the input end in the gearbox.

[0008] Preferably, the lower end of the main beam is welded with a fixed tube, the rear side of the fixed tube is welded with a rear wheel frame, the inside rear side of the rear wheel frame is rotatably provided with a rotating shaft, the outer side of one end of the rotating shaft is sleeved with a driven pulley, the output end of the gearbox is sleeved with a flywheel, and the outer side of the flywheel is connected with the outer side of the driven pulley through a conveyor belt.

[0009] Preferably, each of the vertical plates is integrally formed with the fixed plate.

[0010] Preferably, the two ends of each of the connecting rods are bolted with two vertical plates, respectively.

[0011] Preferably, the fixed frame is made of metal material.

[0012] Preferably, the upper end of the main beam is welded with a main tube, and the upper part of the main tube is fixedly connected with the upper part of the main beam through a connecting piece.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、 the utility model discloses can install and fix two vertical plates respectively on the both ends of direct drive motor through bolt first, then the bolt hole on two fixed plates corresponds with fixed rod, so as to be fixedly connected with two fixed plates and fixed rod through bolt, so that direct drive motor is installed and fixed on the downside of fixed frame, so as to install and dismount direct drive motor, be favorable to the maintenance of direct drive motor, and the installation structure of direct drive motor is simple, and the vertical plate, fixed rod and connecting rod are all standard parts, and the universality is good.

[0015] 2、 the utility model discloses can be fixed between two vertical plates through bolt with a plurality of connecting rods, so as to be protected on the outside of direct drive motor through the circumferential array of a plurality of connecting rods and two vertical plates, and a plurality of connecting rods are distributed at intervals, and the heat dissipation of direct drive motor is favorable. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be explained further in combination with the drawings and examples:

[0017] Fig. 1 It is the front isometric structure schematic diagram of the utility model.

[0018] Fig. 2 It is the oblique isometric structure schematic diagram of the utility model.

[0019] In the figure, the main beam 10, the fixed frame 11, the direct drive motor 12, the vertical plate 13, the connecting rod 14, the fixed plate 15, the fixed rod 16, the gearbox 17, the box cover 18, the flywheel 20, the mounting piece 21, the fixed tube 22, the rear wheel frame 23, the rotating shaft 24, the driven pulley 25, the transmission belt 26, the main tube 27, the connecting piece 28. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] In order to facilitate the understanding of the utility model, the utility model will be more fully described below in combination with the related utility model, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: a kind of electric motorcycle middle motor is used frame fixing mechanism, including main beam 10, the lower part of main beam 10 is welded and fixed with fixed frame 11, the lower of fixed frame 11 is equipped with direct drive motor 12, the both ends of direct drive motor 12 are respectively equipped with two vertical plates 13, the upper side of two vertical plates 13 is respectively fixed with two fixed plates 15, two fixed plates 15 are fixedly connected with two fixed rods 16 between them, the both ends of each fixed rod 16 are respectively bolted and fixedly connected with two fixed plates 15, the lower side of each fixed rod 16 is welded and fixed with fixed frame 11, a plurality of connecting rods 14 are fixedly connected between two vertical plates 13, and the outer side of a plurality of connecting rods 14 is arranged in the circumferential direction of the outer side of direct drive motor 12.

[0023] Further, as shown in Figs. 1-2 One end of direct drive motor 12 is bolted and equipped with gearbox 17, gearbox 17 is bolted and equipped with box cover 18, and the output end of direct drive motor 12 is fixedly connected with the input end in gearbox 17.

[0024] Further, as shown in Figs. 1-2 The lower end of main beam 10 is welded and fixed with fixed tube 22, the rear side of fixed tube 22 is welded and fixed with rear wheel frame 23, the inside rear side of rear wheel frame 23 is rotatably provided with rotating shaft 24, the outer side of one end of rotating shaft 24 is sleeved with driven pulley 25, the output end of gearbox 17 is sleeved with flywheel 20, and the outer side of flywheel 20 is connected with the outer side of driven pulley 25 with transmission belt 26.

[0025] Further, as shown in Figs. 1-2 Each vertical plate 13 is integrally formed with the fixed plate 15.

[0026] Further, as shown in Figs. 1-2 Both ends of each connecting rod 14 are bolted and fixedly connected with two vertical plates 13 respectively.

[0027] Further, as shown in Figs. 1-2 The fixed frame 11 is made of metal material.

[0028] Further, as shown in Figs. 1-2 The upper end of the main beam 10 is welded and fixedly provided with a main pipe 27, and a connecting piece 28 is fixedly connected between the upper part of the main pipe 27 and the upper part of the main beam 10.

[0029] In use, first, the two vertical plates 13 are respectively installed and fixed on both ends of the direct drive motor 12 through bolts, then the bolt holes on the two fixed plates 15 are corresponded with the fixed rods 16, so as to be fixedly connected with the fixed rods 16 through bolts, so that the direct drive motor 12 is installed and fixed on the lower side of the fixed frame 11, so as to facilitate the installation and disassembly of the direct drive motor 12, and the maintenance of the direct drive motor 12, and the installation structure of the direct drive motor 12 is simple, and the vertical plate 13, the fixed rod 16 and the connecting rod 14 are all standard parts, and have good universality.

[0030] Secondly, the connecting rods 14 are placed between the two vertical plates 13, and are fixed between the two vertical plates 13 through bolts, so as to be circumferentially arrayed on the outer side of the direct drive motor 12 through the connecting rods 14 to cooperate with the two vertical plates 13 to protect the direct drive motor 12, and the connecting rods 14 are spaced distributed, which is beneficial to the heat dissipation of the direct drive motor 12. Then the gearbox 17 is installed and fixed on the direct drive motor 12 through bolts, and the output end of the direct drive motor 12 is fixedly connected with the input end of the gearbox 17 through a shaft coupling, and then the flywheel 20 is installed and fixed on the output end of the gearbox 17.

[0031] Finally, the conveyor belt 26 is sleeved on the outer side of the flywheel 20 and the outer side of the driven pulley 25, so as to drive the flywheel 20 to rotate after the speed of the direct drive motor 12 is adjusted through the gearbox 17, the flywheel 20 rotates to drive the driven pulley 25 to rotate through the conveyor belt 26, the driven pulley 25 rotates to drive the rotating shaft 24 to rotate, and the rotating shaft 24 rotates to drive the rear wheel to rotate, so that the electric motorcycle runs. The direct drive motor 12 is used to drive the conveyor belt 26, which has small volume, good stability, stable transmission, low cost and good universality.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A motorcycle frame fixing mechanism for a mid-drive motor of an electric motorcycle, comprising a main beam (10), characterized in that: The lower part of the main beam (10) is welded and fixed with a fixed frame (11), the lower part of the fixed frame (11) is provided with a direct drive motor (12), both ends of the direct drive motor (12) are respectively provided with two vertical plates (13), the upper sides of the two vertical plates (13) are respectively fixed with two fixed plates (15), the two fixed plates (15) are fixedly connected with two fixed rods (16), both ends of each fixed rod (16) are respectively bolted and fixedly connected with the two fixed plates (15), the outer side of each fixed rod (16) is welded and fixed with the lower side of the fixed frame (11), a plurality of connecting rods (14) are fixedly connected between the two vertical plates (13), and the plurality of connecting rods (14) are circumferentially arranged on the outer side of the direct drive motor (12).

2. The motorcycle frame fixing mechanism for a mid-drive motor of an electric motorcycle according to claim 1, characterized in that: One end of the direct drive motor (12) is bolted and provided with a gearbox (17), the gearbox (17) is bolted and provided with a cover (18), and the output end of the direct drive motor (12) is fixedly connected with the input end in the gearbox (17).

3. The motorcycle frame fixing mechanism for use in a middle motor of an electric motorcycle according to claim 2, characterized in that: The lower end of the main beam (10) is welded and fixed with a fixed pipe (22), the rear side of the fixed pipe (22) is welded and fixed with a rear wheel frame (23), the inner rear side of the rear wheel frame (23) is rotatably provided with a rotating shaft (24), one end of the rotating shaft (24) is externally sleeved with a driven pulley (25), the output end of the gearbox (17) is sleeved with a flywheel (20), and the outer side of the flywheel (20) is connected with the outer side of the driven pulley (25) through a conveyor belt (26).

4. The electric motorcycle center motor frame fixing mechanism according to claim 2, characterized in that: Each vertical plate (13) and fixed plate (15) are integrally formed.

5. The frame fixing mechanism for a mid-drive motor of an electric motorcycle according to claim 4, characterized in that: Both ends of each connecting rod (14) are bolted and fixedly connected with the two vertical plates (13).

6. The motorcycle frame fixing mechanism for use in a mid-drive motor of an electric motorcycle according to claim 1, characterized in that: The fixed frame (11) is made of metal material.

7. The electric motorcycle center motor frame fixing mechanism according to claim 1, characterized in that: The upper end of the main beam (10) is welded and fixed with a main pipe (27), and the upper part of the main pipe (27) and the upper part of the main beam (10) are fixedly connected with a connecting piece (28).

Images