阅读说明：本技术 一种新能源车的驱动装置 (Driving device of new energy vehicles ) 是由 金丰良 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种新能源车的驱动装置,包括驱动电机、减速器与差速器,所述驱动电机上固定安装有用于连接电源线的接线盒,且驱动电机上设置有安装底座,所述减速器上设置有缓冲架,且缓冲架的一侧与驱动电机固定连接,所述驱动电机上转动安装有转轴,且转轴的末端穿过缓冲架位于减速器之内。本发明所述的一种新能源车的驱动装置,在方便对驱动电机进行工作的同时能够有效的形成缓冲,降低驱动电机工作时产生的振动所带来的不利影响,保证驱动电机的正常使用,可以在驱动电机与减速器之间形成缓冲,保证驱动电机工作时不会带给减速器不利的影响,提高实用性,能够对联轴器进行防护,避免联轴器发生损坏,提高使用寿命,降低使用成本。(The invention discloses a driving device of new energy vehicles, which comprises a driving motor, a speed reducer and a differential mechanism, wherein a junction box used for connecting a power line is fixedly arranged on the driving motor, an installation base is arranged on the driving motor, a buffer frame is arranged on the speed reducer, the side of the buffer frame is fixedly connected with the driving motor, a rotating shaft is rotatably arranged on the driving motor, and the tail end of the rotating shaft penetrates through the buffer frame to be positioned in the speed reducer.)

The driving device of new energy vehicles is characterized in that the driving device comprises a driving motor (1), a speed reducer (2) and a differential (3), a junction box (4) used for connecting power lines is fixedly installed on the driving motor (1), an installation base (5) is arranged on the driving motor (1), a buffer frame (6) is arranged on the speed reducer (2), the side of the buffer frame (6) is fixedly connected with the driving motor (1), a rotating shaft (7) is installed on the driving motor (1) in a rotating mode, the tail end of the rotating shaft (7) penetrates through the buffer frame (6) and is located in the speed reducer (2), a output shaft (8) is arranged on the speed reducer (2), an input shaft (9) is arranged on the differential (3), a coupler (10) is fixedly installed at the tail end of the input shaft (9), the output shaft (8) is connected with the coupler (10), the output shaft (8) is fixedly connected with the input shaft (9) through the coupler (10), a protective cover (11) used for protecting is arranged at the coupler (10), and a second differential (3) is provided with a differential (13).

2. The driving device of kinds of new energy vehicles according to claim 1, wherein the differential (3) comprises a housing (301), an inner cavity (302), a driving gear (303), a driven gear (304), a bracket (305), a rotating rod (306), a planetary gear (307) and a sun gear (308), the inner cavity (302) is formed in the housing (301), the driving gear (303) and the driven gear (304) are arranged in the inner cavity (302), ends of the input shaft (9), the second output shaft (12) and the third output shaft (13) are located in the inner cavity (302), the input shaft (9) is fixedly connected with the driving gear (303), the driven gear (304) is connected with the second output shaft (12), the driven gear (304) is in meshed connection with the driving gear (303), the bracket (305) is fixedly installed on the driven gear (304), the rotating rod (306) is installed on the bracket (305), the planetary gear (307) is installed at the tail end of the rotating rod (306), the planetary gear (307) is installed on the second output shaft (12) and the third output shaft (13) and is located in the inner cavity (302), and the sun gear (308) is connected with the planetary gear (308).

3. The driving device of the new energy vehicle as claimed in claim 1, wherein the mounting base (5) includes a support base (501), a mounting plate (502), a mounting hole (503), and a vibration damping base (504), the mounting plate (502) is fixedly mounted at both ends of the support base (501), the mounting plate (502) is provided with the mounting hole (503), and the support base (501) is provided with the vibration damping base (504) for vibration damping and buffering.

4. The driving device of new energy vehicle of claim 3, wherein the damping seat (504) includes a connecting plate (5041), a cavity (5042), a nub (5043), a second nub (5044) and a spring (5045), a cavity (5042) is formed between the connecting plate (5041) and the support seat (501), a nub (5043) is fixedly mounted on the support seat (501), a second nub (5044) is fixedly mounted at a position where the lower surface of the connecting plate (5041) corresponds to the nub (5043), and a spring (5045) is arranged between the nub (5043) and the second nub (5044).

5. The driving device of the new energy vehicle according to claim 1, wherein the buffer frame (6) includes a frame body (601), a buffer chamber (602), a circular hole (603), a second spring (604), a connecting block (605) and a telescopic sleeve (606), the buffer chamber (602) is provided in the frame body (601), the circular hole (603) is provided in the frame body (601), the second spring (604) is fixedly installed in the buffer chamber (602), the telescopic sleeves (606) are fixedly installed at both ends of the connecting block (605), and the telescopic sleeves (606) are connected with the frame body (601).

6. The driving device of the new energy vehicle according to claim 1, wherein the protective cover (11) includes a cover body (1101), an arc-shaped opening (1102), a rubber pad (1103), support legs (1104), fixed small blocks (1105) and through holes (1106), the arc-shaped opening (1102) is formed in the cover body (1101), the rubber pad (1103) is fixedly installed at the arc-shaped opening (1102) on the cover body (1101), the support legs (1104) are fixedly installed on the cover body (1101), the fixed small blocks (1105) are arranged on the support legs (1104), and the through holes (1106) for installation and fixation are formed in the fixed small blocks (1105).

7. The kind of new energy vehicle driving device according to claim 1, wherein a power cord is provided on the junction box (4), the end of the power cord is connected to the battery, and the driving motor (1) is electrically connected to the battery through the junction box (4) and the power cord.

8. The kind of new energy vehicles' driving device according to claim 1, wherein the driving motor (1) is fixedly connected with the mounting base (5) by bolts, and the mounting base (5) is fixed on the vehicle chassis by bolts.

Technical Field

The invention relates to the field of driving devices, in particular to a driving device of new energy vehicles.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel, Natural Gas (NG), Liquefied Petroleum Gas (LPG), Ethanol Gasoline (EG), methanol, dimethyl ether. In the use process of the automobile, the driving device is the root of the driving device, and the automobile can not run without the driving device; among the current drive arrangement, driving motor direct mount is on vehicle chassis, though comparatively firm, but the vibration that driving motor during operation produced can not be eliminated, influences driving motor's normal work, and among the drive arrangement, do not set up buffer structure between driving motor and the reduction gear, driving motor's vibration can bring the unfavorable influence of reduction gear, and the connector between axle and the axle directly exposes outside simultaneously, can not obtain effectual protection, easily causes the damage, has improved use cost.

Disclosure of Invention

The invention mainly aims to provide a driving device of new energy vehicles, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

kind of drive arrangement of new energy vehicle, including driving motor, reduction gear and differential mechanism, last fixed mounting of driving motor has the terminal box that is used for connecting the power cord, and is provided with the installation base on the driving motor, be provided with the buffer frame on the reduction gear, and the side and the driving motor fixed connection of buffer frame, the last pivot of installing of rotating of driving motor, and the end of pivot passes the buffer frame and is located within the reduction gear, be provided with the output shaft on the reduction gear, be provided with the input shaft on the differential mechanism, and the terminal fixed mounting of input shaft has the shaft coupling, the output shaft is connected with the shaft coupling, and the output shaft passes through shaft coupling and input shaft fixed connection, shaft coupling department is provided with the protection casing that is used for the protection, be provided with the second output shaft on the differential mechanism, and.

Preferably, differential mechanism includes shell, inner chamber, driving gear, driven gear, support, rotary rod, planetary gear and sun gear, the inner chamber has been seted up on the shell, and is provided with driving gear and driven gear in the inner chamber, the end of input shaft, second output shaft and third output shaft is located the inner chamber, and input shaft and driving gear fixed connection, driven gear is connected with the second output shaft, and meshes between driven gear and the driving gear to be connected, fixed mounting has the support on the driven gear, and is provided with the rotary rod on the support, the end of rotary rod is provided with planetary gear, the that lies in the inner chamber on second output shaft, the third output shaft end equal fixed mounting has sun gear, and meshes between sun gear and the planetary gear to be connected.

Preferably, the mounting base includes supporting seat, mounting panel, mounting hole and damping seat, the equal fixed mounting in both ends of supporting seat has the mounting panel, and has seted up the mounting hole on the mounting panel, be provided with the damping seat that is used for the damping buffering on the supporting seat.

Preferably, the damping seat includes connecting plate, cavity, fritter, second fritter and spring, form the cavity between connecting plate and the supporting seat, and fixed mounting has the fritter on the supporting seat, the lower surface of connecting plate and the corresponding position department fixed mounting of fritter have the second fritter, and be provided with the spring between fritter and the second fritter.

Preferably, the buffer frame includes support body, cushion chamber, round hole, second spring, connecting block and flexible cover, be equipped with the cushion chamber in the support body, and seted up the round hole on the support body, cushion chamber fixed mounting has the second spring, the equal fixed mounting in both ends of connecting block has flexible cover, and flexible cover is connected with the support body.

Preferably, the protection casing is including the cover body, arc mouth, rubber pad, supporting leg, fixed fritter and through-hole, the arc mouth has been seted up on the cover body, and lies in arc mouth department fixed mounting on the cover body and have the rubber pad, fixed mounting has the supporting leg on the cover body, and is provided with fixed fritter on the supporting leg, set up the through-hole that is used for the installation to fix on the fixed fritter.

Preferably, a power line is arranged on the junction box, the tail end of the power line is connected onto the storage battery, and the driving motor is electrically connected with the storage battery through the junction box and the power line.

Preferably, the driving motor is fixedly connected with the mounting base through a bolt, and the mounting base is fixed on the automobile chassis through a bolt.

Compared with the prior art, the invention has the following beneficial effects: according to the driving device of the new energy vehicle, the additionally arranged mounting base is matched with the vibration damping seat for use, so that the driving motor can be conveniently buffered while working, adverse effects caused by vibration generated when the driving motor works are reduced, and the normal use of the driving motor is ensured;

the buffer frame is adopted, so that buffer can be formed between the driving motor and the speed reducer, the driving motor is ensured not to bring adverse influence to the speed reducer when working, and the practicability is improved;

through addding the protection casing, can protect the shaft coupling, avoid the shaft coupling to take place to damage, improve life, reduce use cost.

Drawings

Fig. 1 is a schematic overall structure diagram of a driving device of new energy vehicles according to the invention;

fig. 2 is an enlarged view of a driving device a of new energy vehicles according to the invention;

FIG. 3 is a schematic view of the internal structure of the differential of the driving device of new energy vehicles according to the invention;

fig. 4 is a schematic structural diagram of a driving device mounting base of new energy vehicles according to the invention;

FIG. 5 is a schematic view of the internal structure of a damping seat of a driving device of new energy vehicles according to the invention;

fig. 6 is a schematic view of the internal structure of a buffer frame of a driving device of new energy vehicles according to the invention;

fig. 7 is a schematic structural diagram of a protective cover of a driving device of new energy vehicles.

In the drawing, 1 is a driving motor, 2 is a speed reducer, 3 is a differential mechanism, 301 is a shell, 302 is an inner cavity, 303 is a driving gear, 304 is a driven gear, 305 is a support, 306 is a rotating rod, 307 is a planetary gear, 308 is a sun gear, 4 is a junction box, 5 is a mounting base, 501 is a supporting seat, 502 is a mounting plate, 503 is a mounting hole, 504 is a vibration damping seat, 5041 is a connecting plate, 5042 is a cavity, 5043 is a small block, 5044 is a second small block, 5045 is a spring, 6 is a buffer bracket, 601 is a frame body, 602 is a buffer cavity, 603 is a circular hole, 604 is a second spring, 605 is a connecting block, 606 is a telescopic sleeve, 7 is a rotating shaft, 8 is a output shaft, 9 is an input shaft, 10 is a coupling, 11 is a protective cover, 1101 is a cover body, 1103 is an arc-shaped opening, a rubber pad, 1104 is a supporting leg, 1105 is a fixing small block, 1106 is a through hole, 12 is a second output shaft.

Detailed Description

In order to make the technical means, the original characteristics, the achieved objects and the effects of the invention easily understood, the invention is further described in conjunction with the detailed description.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", " end", "another end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," and the like, are used to mean, for example, "connected," which may be fixed or detachable, or connected physically, mechanically, electrically, directly or indirectly through an intermediary, or communicating between two elements.

As shown in fig. 1-7, driving devices for new energy vehicles include a driving motor 1, a speed reducer 2 and a differential 3, wherein a terminal box 4 for connecting a power line is fixedly installed on the driving motor 1, an installation base 5 is installed on the driving motor 1, a buffer frame 6 is installed on the speed reducer 2, a side of the buffer frame 6 is fixedly connected with the driving motor 1, a rotating shaft 7 is installed on the driving motor 1 in a rotating manner, the tail end of the rotating shaft 7 penetrates through the buffer frame 6 and is located in the speed reducer 2, a output shaft 8 is installed on the speed reducer 2, an input shaft 9 is installed on the differential 3, a coupling 10 is fixedly installed at the tail end of the input shaft 9, a output shaft 8 is connected with the coupling 10, the output shaft 8 is fixedly connected with the input shaft 9 through the coupling 10, a protective cover 11 for protection is installed at the coupling 10, a second output shaft 12 is installed on the differential 3, and a;

the differential mechanism 3 comprises a shell 301, an inner cavity 302, a driving gear 303, a driven gear 304, a support 305, a rotating rod 306, a planetary gear 307 and a sun gear 308, the inner cavity 302 is formed in the shell 301, the driving gear 303 and the driven gear 304 are arranged in the inner cavity 302, the ends of of an input shaft 9, a second output shaft 12 and a third output shaft 13 are located in the inner cavity 302, the input shaft 9 is fixedly connected with the driving gear 303, the driven gear 304 is connected with the second output shaft 12, the driven gear 304 is in meshed connection with the driving gear 303, the support 305 is fixedly provided with a rotating rod 306, the end of the rotating rod 306 is provided with the planetary gear 307, the ends of of the second output shaft 12 and the third output shaft 13 in the inner cavity 302 are fixedly provided with the sun gear 308 and in meshed connection with the planetary gear 307, the mounting base 5 comprises a support base 501, a mounting plate 502, a mounting hole 503 and a damping base 1101, the damping base 504, the mounting base 504 comprises a power wire 5010, a power wire 505, a damping base 501, a damping base 504 and a damping base 26, a damping pad 501 are fixedly connected with a damping base 26, a damping spring 26 is arranged on the damping base 501, a damping base 501 is fixedly connected with a damping base 501, a damping spring 26 is arranged on a damping spring, a damping spring 26 is fixedly connected with a damping spring 26, a damping spring 26, a damping spring 26 is arranged on a damping spring, a damping spring 26, a damping spring 26 is arranged on a damping spring, a damping spring mounting base 501 is arranged on a damping spring mounting base, a damping spring mounting base 501 is arranged on a damping spring mounting base, a damping spring mounting base 501 is arranged on a damping spring.

It should be noted that, the driving device of the new energy vehicle of the invention is a driving device of a new energy vehicle, a worker first installs each component, when installing, the worker places the support base 501 in the installation base 5 at a proper position on the vehicle chassis, screws pass through the installation holes 503 on the installation plate 502, so that the support base 501 is fixed on the vehicle chassis, so as to fix the whole installation base 5, when the installation base 5 is installed, the worker fixes the driving motor 1 on the vibration reduction base 504 in the installation base 5, then installs the reducer 2 and the differential mechanism 3, so as to ensure that the segment of the rotating shaft 7 on the driving motor 1 is located in the reducer 2, and installs the buffer frame 6 for buffering between the driving motor 1 and the reducer 2, when installing the differential mechanism 3 on the reducer 2, the output shaft 8 is connected with the input shaft 9 by the coupling 10, and installs the shield 11 at the coupling 10, when installing the shield 11, the shield 1101 covers the cover 10, so as to ensure that the cover 10 is supported by the arc 631 and the driving junction box 1102, when the driving cable is clamped, the driving cable is connected with the power generator 9, the driving cable 303, so as to drive the driving cable 303, the driving cable 26 is connected to the driving cable 26, so as to drive the driving cable 26, thereby to drive the driving cable 26, thereby the driving cable 200, thereby the driving cable 26, thereby the driving cable 13, thereby the driving cable 200, the driving cable 200, thereby the driving cable 13, thereby the driving cable 13, thereby the driving cable 13, the driving cable 13, thereby the driving cable 13, the driving cable 13, the driving cable 13, the driving cable 9, the driving cable 13, the driving cable is driven cable is connected to drive the driving cable, the driving cable 13, the driving cable, the driving cable 13, the driving cable 13, the driving cable 13, the driving cable 13, the driving cable is connected to drive the driving cable, the driving cable 9, the driving cable, the driving cable 9, the driving cable 9, the driving cable 9, the driving the.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.