CN210126397U

CN210126397U - Electric vehicle rear axle with protection structure

Info

Publication number: CN210126397U
Application number: CN201920993242.3U
Authority: CN
Inventors: 茌庚申; 商波
Original assignee: XUZHOU YITENG ELECTROMECHANICAL TECHNOLOGY Co Ltd
Current assignee: XUZHOU YITENG ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-06
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an electric motor car rear axle with protection architecture, including protection tube, drive protective housing, motor, transmission shaft and swiveling wheel, the fixed welding of drive protective housing communicates with each other at the lateral wall of protection tube and the inner chamber of its inner chamber and protection tube, the transmission shaft is established in the inner chamber of protection tube and not with the lateral wall contact of protection tube inner chamber, the swiveling wheel is equipped with two sets ofly and respectively with the fixed welding in both ends of transmission shaft, and is two sets of all open the sunken groove in on the outer wall of swiveling wheel, the both sides of protection tube are all fixed to bond and have the guard circle, one side that the guard circle kept away from the protection tube center is fixed to bond and is hidden. This electric motor car rear axle with protection architecture through having set up first support, pivot, extension board and protective cover, makes the protective cover arrange the motor top in and shelter from the motor, can prevent to enter into the motor from debris such as dust and water that fall from the electric motor car to protect the motor, make the motor safer.

Description

Electric vehicle rear axle with protection structure

Technical Field

The utility model belongs to the technical field of the electric motor car rear axle, concretely relates to electric motor car rear axle with protection architecture.

Background

The rear axle refers to a rear drive shaft component of the vehicle power transmission. It is composed of two half-bridges, and can implement half-bridge differential motion. In the case of a front-axle driven vehicle, the rear axle is only a trailing axle and only plays a role of load bearing. If the front axle is not a drive axle, the rear axle is a drive axle, which in addition to the load-bearing function also serves as a drive and deceleration function as well as a differential function, and if the front axle is four-wheel drive, a transfer case is generally arranged in front of the rear axle.

The application of rear axle is very extensive (for example trades such as electric motor car, car), also is comparatively ripe mechanical part among the prior art, but present rear axle can not protect the motor, does not set up the structure of protection motor on it for the motor directly exposes outside, and the debris that fall on the electric motor car can influence the work of motor.

Disclosure of Invention

An object of the utility model is to provide an electric motor car rear axle with protection architecture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the rear axle with the protection structure of the electric vehicle comprises a protection tube, a driving protection shell, a motor, a transmission shaft and a rotating wheel, wherein the driving protection shell is fixedly welded on the outer side wall of the protection tube, the inner cavity of the driving protection shell is communicated with the inner cavity of the protection tube, the transmission shaft is arranged in the inner cavity of the protection tube and is not contacted with the inner cavity of the protection tube, the rotating wheel is provided with two groups and is fixedly welded with the two ends of the transmission shaft respectively, inner sunken grooves are formed in the outer walls of the two groups of rotating wheels, protection rings are fixedly bonded on the two sides of the protection tube, one side, far away from the center of the protection tube, of each protection ring is fixedly bonded with a shielding ring, the outer wall of the;

be connected with the circular telegram winding displacement on the motor, the support bar that fixed welding has the level to set up on the lateral wall of protection tube, fixed bonding has multiunit align to grid to buckle on the support bar, the top fixed welding of protection tube lateral wall has two sets of first supports, is equipped with pivot, extension board and protective cover on it, pivot and extension board all are equipped with two sets ofly, the protective cover is established directly over the motor, the bottom fixed welding of protection tube lateral wall has two sets of second supports, is connected with the iron sheet on it, be equipped with rubber pad and multiunit spring on the iron sheet.

Preferably, the first support is in transmission connection with the two support plates through two sets of rotating shafts, and two sides of the protective cover are fixedly welded with one sides, far away from the rotating shafts, of the two support plates respectively.

Preferably, the two sides of the iron sheet are fixedly welded with the side walls of the two groups of second supports respectively, and the two ends of the spring are fixedly bonded with the two opposite sides of the rubber pad and the iron sheet respectively.

Preferably, the multiple groups of springs are symmetrically distributed on two sides of the rubber pad, and the top wall of the rubber pad is in contact with the bottom of the outer wall of the motor.

Preferably, the vertical section of the protective ring is L-shaped, and one side of the shielding ring, which is far away from the protective ring, extends into the inner cavity of the invagination groove.

The utility model discloses a technological effect and advantage: according to the rear axle of the electric vehicle with the protection structure, the first support, the rotating shaft, the support plate and the protection cover are arranged, so that the protection cover is arranged above the motor and shields the motor, and dust, water and other impurities falling from the electric vehicle can be prevented from entering the motor, so that the motor is protected, and the motor is safer; the support bars and the wiring buckles are arranged, and the electrified flat cables are arranged in the groups of wiring buckles, so that the electrified flat cables can be fixed and prevented from falling off, the electrified flat cables are protected, and the probability of damage of the electrified flat cables is reduced; through having set up invagination groove, guard ring and sheltered from the ring, make and shelter from the ring and stretch into invagination groove, can play the effect in the gap between closed protection tube and the swiveling wheel, reduced debris greatly and got into the possibility in gap between the two to the transmission shaft has been protected.

Drawings

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

fig. 2 is a schematic structural view of the rotating wheel of the present invention;

fig. 3 is a vertical sectional view of the rotating wheel of the present invention;

fig. 4 is a schematic structural diagram of the iron sheet of the present invention.

In the figure: the device comprises a protection tube 1, a driving protection shell 2, a motor 3, a transmission shaft 4, a rotating wheel 5, an invagination groove 6, a protection ring 7, a shielding ring 8, a power-on flat cable 9, a support bar 10, a wire harness buckle 11, a first support 12, a rotating shaft 13, a support plate 14, a protection cover 15, a second support 16, an iron sheet 18, a spring 19 and a rubber pad 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an electric vehicle rear axle with a protective structure as shown in figures 1-4, which comprises a protective tube 1, a driving protective shell 2, a motor 3, a transmission shaft 4 and a rotating wheel 5, the driving protective shell 2 is fixedly welded on the outer side wall of the protective tube 1, the inner cavity of the driving protective shell is communicated with the inner cavity of the protective tube 1, the transmission shaft 4 is arranged in the inner cavity of the protection tube 1 and is not contacted with the side wall of the inner cavity of the protection tube 1, the rotating wheels 5 are provided with two groups and are respectively fixedly welded with the two ends of the transmission shaft 4, the outer walls of the two groups of rotating wheels 5 are provided with inward-concave grooves 6, protective rings 7 are fixedly bonded on both sides of the protective tube 1, a shielding ring 8 is fixedly bonded on one side of the protective ring 7 far away from the center of the protective tube 1, the outer wall of the motor 3 is fixedly welded with the outer side wall of the driving protection shell 2 and is connected with the transmission shaft 4 through a differential mechanism;

be connected with circular telegram winding displacement 9 on the motor 3, the one end that motor 3 was kept away from to circular telegram winding displacement 9 is connected with the storage battery, fixed welding has the support bar 10 that the level set up on the lateral wall of protection tube 1, fixed bonding has the bunch of multiunit align to grid to detain 11 on the support bar 10, and the horizontal section that the bunch detained 11 is "C" font, and it can accomodate circular telegram winding displacement 9 and fixed circular telegram winding displacement 9 in it, the fixed welding in top of protection tube 1 lateral wall has two sets of first supports 12, is equipped with pivot 13, support plate 14 and protective cover 15 on it, pivot 13 and support plate 14 all are equipped with two sets ofly, protective cover 15 is established directly over motor 3, and motor 3 arranges protective cover 15's inner chamber in, and during the actual production, the inner chamber of protective cover 15 can set up bigger to be convenient for better protect motor 3, the fixed welding in, an iron sheet 18 is connected on the upper part of the spring, and a rubber pad 20 and a plurality of groups of springs 19 are arranged on the iron sheet 18.

Specifically, two sets of first support 12 is connected with two sets of extension boards 14 transmission respectively through two sets of pivots 13, the both sides of protective cover 15 are kept away from one side fixed weld of pivot 13 with two sets of extension boards 14 respectively, and the diapire of protective cover 15 is fixed to be bonded has the foam-rubber cushion, plays the effect of buffering, avoids protective cover 15 direct impact motor 3 and damages motor 3, and the material of protective cover 15 is lighter carbon magnesium alloy, and it can be rotatory along two sets of pivots 13, and then makes protective cover 15 and motor 3 separate to be convenient for maintain motor 3.

Specifically, the both sides of iron sheet 18 respectively with the fixed welding of the lateral wall of two sets of second supports 16, the both ends of spring 19 respectively with rubber pad 20 and the fixed bonding in iron sheet 18 both sides in opposite directions, when the electric motor car met uneven road in the removal process, some hard materials can probably be touched to motor 3, iron sheet 18 can earlier contact with hard material this moment, cooperate spring 19 and rubber pad 20 to form protection architecture simultaneously, play the effect of buffering, reduce the impact force that motor 3 received to motor 3 has been protected.

Specifically, the plurality of groups of springs 19 are symmetrically distributed on two sides of the rubber pad 20, and the top wall of the rubber pad 20 is in contact with the bottom of the outer wall of the motor 3.

Specifically, the vertical section of guard ring 7 is "L" font, block that one side that ring 8 kept away from guard ring 7 stretches into the inner chamber of undercut 6 to make debris such as external dust blocked in the inner chamber of undercut 6, make debris get into the probability reduction in the gap between protection tube 1 and the swiveling wheel 5 (debris if get into the gap between protection tube 1 and the swiveling wheel 5 and probably influence transmission shaft 4, refer to fig. 3).

Specifically, when the rear axle of the electric vehicle with the protection structure is assembled, the electrifying flat cable 9 on the motor 3 is contained in the plurality of groups of wire binding buckles 11, the other end of the electrifying flat cable is connected with a battery jar on the electric vehicle, the rear axle can start to work after the tires are arranged on the two groups of rotating wheels 5, when the electric vehicle is required to run, the motor 3 is started to work to drive the transmission shaft 4 to rotate, so that the two groups of tires rotate, the protection ring 7 and the shielding ring 8 are connected with the protection tube 1 into a whole, the protection ring can not rotate, the effect of preventing sundries from entering the inner cavity of the protection tube 1 is achieved, the transmission shaft 4 is protected, when the electric vehicle meets uneven roads, the iron sheet 18, the spring 19 and the rubber pad 20 are matched with each other, the impact on the motor 3 can be relieved, the protection cover 15 above the motor 3 can block sundries (such as dust, water, it drips down from the side wall of the protective cover 15, and the motor 3 is in the inner cavity of the protective cover 15, so that it is almost impossible to fall on the motor 3, and the function of protecting the motor 3 is also achieved.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an electric motor car rear axle with protection architecture, includes protection tube (1), drive protective housing (2), motor (3), transmission shaft (4) and swiveling wheel (5), its characterized in that: the outer wall of the motor (3) is fixedly welded with the outer wall of the driving protection shell (2), the inner cavity of the driving protection shell is communicated with the inner cavity of the protection tube (1), the transmission shaft (4) is arranged in the inner cavity of the protection tube (1) and is not in contact with the inner cavity of the protection tube (1), the rotating wheels (5) are provided with two groups and are fixedly welded with the two ends of the transmission shaft (4) respectively, the outer walls of the two groups of rotating wheels (5) are provided with inner sunken grooves (6), the two sides of the protection tube (1) are fixedly bonded with protective rings (7), one side, far away from the center of the protection tube (1), of each protective ring (7) is fixedly bonded with a shielding ring (8), the outer wall of the motor (3) is fixedly welded with the outer wall of the driving protection shell (2), and the;

be connected with circular telegram winding displacement (9) on motor (3), fixed welding has support bar (10) that the level set up on the lateral wall of protection tube (1), fixed bonding has bundle line of multiunit align to grid to buckle (11) on support bar (10), the top fixed welding of protection tube (1) lateral wall has two sets of first supports (12), is equipped with pivot (13), extension board (14) and protective cover (15) on it, pivot (13) and extension board (14) all are equipped with two sets ofly, establish directly over motor (3) protective cover (15), the bottom fixed welding of protection tube (1) lateral wall has two sets of second supports (16), is connected with iron sheet (18) on it, be equipped with rubber pad (20) and multiunit spring (19) on iron sheet (18).

2. The electric vehicle rear axle with a protective structure as set forth in claim 1, wherein: two sets of first support (12) are connected with two sets of extension boards (14) transmission respectively through two sets of pivot (13), the both sides of protective cover (15) are kept away from pivot (13) one side fixed weld with two sets of extension boards (14) respectively.

3. The electric vehicle rear axle with a protective structure as set forth in claim 1, wherein: the two sides of the iron sheet (18) are fixedly welded with the side walls of the two groups of second supports (16) respectively, and the two ends of the spring (19) are fixedly bonded with the two opposite sides of the rubber pad (20) and the iron sheet (18) respectively.

4. The electric vehicle rear axle with a protective structure as set forth in claim 1, wherein: the springs (19) are symmetrically distributed on two sides of the rubber pad (20), and the top wall of the rubber pad (20) is in contact with the bottom of the outer wall of the motor (3).

5. The electric vehicle rear axle with a protective structure as set forth in claim 1, wherein: the vertical section of guard ring (7) is "L" font, block that one side that guard ring (7) were kept away from in guard ring (8) stretches into the inner chamber of invagination groove (6).