CN211335571U - In-wheel motor driving device - Google Patents

Abstract

The utility model discloses a wheel hub motor driving device, which comprises a motor driving device main body, a wheel hub, a motor box, a driving device and a splicing end, wherein the periphery of the motor driving device main body is fixedly connected with the wheel hub, the inner side outer wall of the wheel hub is connected with the outer side outer wall of the motor driving device main body, the middle of the wheel hub is fixedly connected with the motor box, the inner side inner wall of the periphery of the motor box is lapped and connected with the inner side inner wall of the middle of the wheel hub, the other end of an installation clamping plate is fixedly connected with a limit clamping head, the limit clamping head improves the firmness when the motor box is fixed in the later period, ensures the stability when the motor box is used in the later period, the splicing end can reduce the sound frequency generated when the motor box vibrates to a certain extent, plays a noise reduction effect, achieves the effect of green environmental protection, a spring can play a, the working quality of the method is improved, and the method has wide development prospect in the future.

Description

In-wheel motor driving device

Technical Field

The utility model belongs to the automobile field specifically is a wheel hub motor drive arrangement.

Background

The rim is also called the hub, and hong Kong and Taiwan are called the bell. The most common method of upgrading automotive rims is to replace aluminum alloy rims or to use oversized rims to improve the performance and appearance of the automobile. Automotive rims are classified from the material into steel rims and alloy rims (alloy rims), and the most popular rims in the refit market are of course alloy rims, which are also classified into cast-molded and forged-molded rims. A hub is a cylindrical, centrally mounted metal part on a shaft that supports the tire within its inner contour. Also called rim, steel ring, wheel and tyre bell. The hub is of various kinds according to diameter, width, molding mode and material.

At present, its itself is most for considering its performance and practical degree aspect to carry out constantly innovation improvement work to it, thereby neglected in-wheel motor drive unit installation before using and later stage maintenance's dismantlement work and improved it, improve the user and carry out the periodic maintenance nursing during operation to it, the staff dismantles the trouble of installation work to it, and current in-wheel motor drive unit itself falls makes an uproar, dustproof leak protection effect is relatively poor, the very big degree has reduced the life of device itself, influence the user and use.

Therefore, how to design an in-wheel motor driving device becomes a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the hub motor driving device is inconvenient to disassemble, assemble and reduce noise and has poor dustproof protection effect, the hub motor driving device is provided.

The utility model adopts the technical scheme as follows: a hub motor driving device comprises a motor driving device main body, a hub, a motor box, a driving device and a splicing end, wherein the periphery of the motor driving device main body is fixedly connected with the hub, the inner side outer wall of the hub is connected with the outer side outer wall of the motor driving device main body, the middle of the hub is fixedly connected with the motor box, the outer side inner wall of the periphery of the motor box is connected with the middle inner side inner wall of the hub in a lap joint mode, mounting screws are embedded and connected to the periphery of the top end of the hub, and the outer peripheral wall of the bottom of each mounting screw is connected with the inner side inner wall of the periphery of;

the wheel hub is characterized in that an installation clamping plate penetrates through the periphery of the front face of the wheel hub, the peripheral outer wall of the installation clamping plate is connected with the inner wall of the periphery of the front face of the wheel hub, a fixing hole penetrates through the middle of one side of the installation clamping plate, the peripheral outer wall of the fixing hole is connected with the inner wall of the middle of one side of the installation clamping plate, telescopic chucks are embedded and connected at two ends of the other side of the installation clamping plate, and the peripheral outer wall of one side of each telescopic chuck is connected with the inner wall of;

the periphery of the motor box is fixedly connected with a plurality of connecting lugs, the peripheral outer walls of the connecting lugs are connected with the peripheral outer wall of the motor box, the middle of the top end of the motor box is connected with an end shaft in a lap joint mode, the peripheral outer wall of the bottom end of the end shaft is connected with the peripheral outer wall of the middle of the top end of the motor box, the middle of the top end of the end shaft is movably connected with a driving gear, and the peripheral outer wall of the bottom of the driving gear is connected with the inner wall of the middle of the top end of the;

the bottom end of the driving device is fixedly connected with a leakage-proof ring, the peripheral outer wall of the top end of the leakage-proof ring is connected with the peripheral outer wall of the bottom end of the driving device, the two ends of the interior of the driving device are fixedly connected with rotors, the peripheral outer wall of the top end of each rotor is connected with the inner wall of the interior of the driving device, the middle of the bottom end of the rotor is movably connected with a transmission gear, the outer peripheral wall of the top of the transmission gear is connected with the inner side wall of the middle of the bottom end of the rotor, the inner side of the middle of the top end of the driving device is embedded and connected with a protective end head, the outer peripheral wall of the protective end head is connected with the inner wall of the middle inner side of the top end of the driving device, the inner side of the protection end is movably connected with an output shaft, the outer peripheral wall of the output shaft is connected with the inner side inner wall of the protection end in a lap joint way, the bottom end of the output shaft is fixedly connected with a splicing end, and the peripheral outer wall of the top end of the splicing end is connected with the peripheral outer wall of the bottom end of the output shaft;

the bottom end of the splicing end is fixedly connected with a fixed disc, the peripheral outer wall of the fixed disc is connected with the peripheral outer wall of the splicing end, the periphery of the top end of the fixed disc is fixedly connected with an earthquake reduction head, the peripheral outer wall of the bottom end of the earthquake reduction head is connected with the peripheral outer wall of the periphery of the top end of the fixed disc, the middle inner side of the top end of the fixed disc is movably connected with a splicing gear ring, and the peripheral outer wall of the splicing gear ring is connected with the middle inner side inner wall of the.

Preferably, the other end of the mounting clamping plate is fixedly connected with a limiting clamping head, and the peripheral outer wall of one side of the limiting clamping head is connected with the peripheral outer wall of the other side of the mounting clamping plate.

Preferably, the periphery of the top of the motor box is embedded and connected with an installation clamping groove, and the peripheral outer wall of the installation clamping groove is connected with the inner wall of the periphery of the top of the motor box.

Preferably, the periphery of the top end of the motor box is embedded and connected with a leakage-proof groove, and the peripheral outer wall of the leakage-proof groove is connected with the inner wall of the top peripheral inner side of the motor box.

Preferably, the inner side in the middle of the top end of the motor box is fixedly connected with a protection steel ring, and the outer peripheral wall of the protection steel ring is connected with the inner side inner wall in the middle of the top end of the motor box.

Preferably, the periphery of the top end of the driving device is connected with a plurality of clamping bolts in a penetrating mode, and the outer wall of the periphery of the bottom of each clamping bolt is connected with the inner wall of the inner side of the periphery of the top end of the driving device.

Preferably, one end of the rotor is fixedly connected with a spring, and the peripheral outer wall of the other end of the spring is connected with the peripheral outer wall of one end of the rotor.

Preferably, the hub is composed of a mounting clamping plate on the inner side of the periphery, a fixing hole in the middle of one side of the mounting clamping plate, telescopic clamping heads at two ends of the other side of the mounting clamping plate and a limiting clamping head at the other end of the mounting clamping plate.

Preferably, the driving device consists of a clamping bolt on the inner side of the top end of the periphery, a leakage-proof ring on the bottom end, rotors on the two ends of the interior, a transmission gear on the bottom end of the rotor, a spring on one end of the rotor, a protection end on the inner side in the middle of the top end, an output shaft on the inner side of the protection end and a splicing end on the bottom end of the output shaft.

Preferably, the splicing end is composed of a fixed disk at the bottom end, shock absorption heads around the top end of the fixed disk and a splicing gear ring in the middle of the top end of the fixed disk.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, the wheel hub and the installer can place the motor box at the middle position of the wheel hub, then respectively insert the mounting clamping plates into the slots arranged around the periphery of the wheel hub, and rapidly splice the mounting clamping grooves arranged around the motor box, and simultaneously, the installation personnel can mutually clamp the clamping grooves at the inner side of the mounting clamping grooves in the inserting process through the telescopic clamping heads arranged around one side of the mounting clamping plates, so as to ensure the firmness of the connecting parts of the mounting clamping plates and the mounting clamping grooves and the firmness of the mutually laminated parts of the limiting clamping heads and the motor box, and then the installer can respectively insert the mounting screws into the periphery of the top end of the wheel hub to ensure that the mounting screws pass through the fixing holes to fix one end of the mounting clamping plates, thereby achieving the effect of rapidly fixing the wheel hub and the motor box, and saving the mounting time to a certain extent while ensuring the firm mounting, embodies the utility model discloses an installation nature.

2. In the utility model, the driving device can start the rotor inside to run by starting the driving device to drive the transmission gear at the bottom end to rotate, then directly drive the inner splicing end to rotate through the transmission gear, and drive the motor box at the bottom end to run through the splicing end, the stable output of the motor box can be effectively ensured through the driving device, the phenomenon that the motor box outputs unstably for a short time when working for a long time is avoided, then the rotor in the driving device can be played a certain damping effect through the spring, the violent vibration of the rotor is inhibited, the stable running of the rotor is ensured, the phenomenon that other structures in the driving device are loosened and dropped or damaged when the vibration frequency is larger is avoided, meanwhile, the spring can play a certain noise reduction effect on the rotor when working, and the stable running of the main body of the motor driving device is ensured, the working quality of the device is improved.

3. The utility model discloses in, the concatenation end, installer accessible concatenation ring gear carries out grafting work with its driving gear on quick and the motor case, simultaneously through the shock attenuation head that the concatenation was served and is set up, the stability of board when can effectively improve concatenation end and driving gear mutual transmission output, avoid concatenation end and driving gear higher frequency vibrations to appear when the mutual transmission, lead to producing the mutual exclusion influence between motor case and the drive arrangement, thereby lead to both to export unusual unstable phenomenon, and the sound frequency that produces when can reduce both vibrations to a certain extent, play the noise reduction effect, reach green's effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a front view cross-sectional structure of a wheel hub of the present invention;

FIG. 3 is a schematic diagram of the structure of the motor box of the present invention;

FIG. 4 is a schematic diagram of a sectional structure of a part of a driving device of the present invention;

fig. 5 is a schematic diagram of the structure of the splicing end part of the present invention.

The labels in the figure are: 1. the motor driving device comprises a motor driving device main body, 2, a hub, 201, an installation clamping plate, 202, a fixing hole, 203, a telescopic clamping head, 204, a limiting clamping head, 3, a motor box, 301, an installation clamping groove, 302, a connecting lug, 303, a leakage-proof groove, 304, a protection steel ring, 305, an end shaft, 306, a driving gear, 4, a driving device, 401, a clamping bolt, 402, a leakage-proof ring, 403, a rotor, 404, a transmission gear, 405, a spring, 406, a protection end head, 407, an output shaft, 5, an installation screw, 6, a splicing end, 601, a fixed disc, 602, a damping head, 603 and a splicing gear ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a wheel hub motor driving device comprises a motor driving device main body 1, a wheel hub 2, a motor box 3, a driving device 4 and a splicing end 6, wherein the periphery of the motor driving device main body 1 is fixedly connected with the wheel hub 2, the inner side outer wall of the wheel hub 2 is connected with the outer side outer wall of the motor driving device main body 1, the middle of the wheel hub 2 is fixedly connected with the motor box 3, the outer side inner wall of the periphery of the motor box 3 is connected with the middle inner side inner wall of the wheel hub 2 in a lap joint mode, mounting screws 5 are embedded and connected to the periphery of the top end of the wheel hub 2, and the outer peripheral wall of the bottom of each mounting screw 5;

the periphery of the front face of the hub 2 is connected with an installation clamping plate 201 in a penetrating mode, the peripheral outer wall of the installation clamping plate 201 is connected with the inner wall of the periphery of the front face of the hub 2, the middle of one side of the installation clamping plate 201 is connected with a fixing hole 202 in a penetrating mode, the peripheral outer wall of the fixing hole 202 is connected with the inner wall of the middle of one side of the installation clamping plate 201, two ends of the other side of the installation clamping plate 201 are embedded and connected with telescopic clamping heads 203, and the peripheral outer wall of one side of each telescopic clamping head;

the periphery of the motor box 3 is fixedly connected with a plurality of connecting lugs 302, the peripheral outer wall of each connecting lug 302 is connected with the peripheral outer wall of the motor box 3, the middle of the top end of the motor box 3 is connected with an end shaft 305 in an overlapping mode, the peripheral outer wall of the bottom end of the end shaft 305 is connected with the peripheral outer wall of the middle of the top end of the motor box 3, the middle of the top end of the end shaft 305 is movably connected with a driving gear 306, and the peripheral outer wall of the bottom of the driving gear 306 is connected with the inner wall of the middle of;

the bottom end of the driving device 4 is fixedly connected with a leakage-proof ring 402, the outer peripheral wall of the top end of the leakage-proof ring 402 is connected with the outer peripheral wall of the bottom end of the driving device 4, two ends of the interior of the driving device 4 are fixedly connected with rotors 403, the outer peripheral wall of the top end of the rotor 403 is connected with the inner wall of the interior of the driving device 4, the middle of the bottom end of the rotor 403 is movably connected with a transmission gear 404, the outer peripheral wall of the top end of the transmission gear 404 is connected with the inner wall of the middle of the bottom end of the rotor 403, the inner side of the middle of the top end of the driving device 4 is connected with a protection end 406 in an embedded manner, the outer peripheral wall of the protection end 406 is connected with the inner wall of the middle of the top end of the driving device 4, the inner side of the protection end 406 is movably;

the bottom end of the splicing end 6 is fixedly connected with a fixed disc 601, the peripheral outer wall of the fixed disc 601 is connected with the peripheral outer wall of the splicing end 6, the periphery of the top end of the fixed disc 601 is fixedly connected with a shock absorption head 602, the peripheral outer wall of the bottom end of the shock absorption head 602 is connected with the peripheral outer wall of the periphery of the top end of the fixed disc 601, the middle inner side of the top end of the fixed disc 601 is movably connected with a splicing gear ring 603, and the peripheral outer wall of the splicing gear ring 603 is connected with the middle.

Preferably, the spacing dop 204 of other end fixedly connected with of installation cardboard 201, the peripheral outer wall of one side of spacing dop 204 links to each other with the peripheral outer wall of opposite side of installation cardboard 201, can effectively carry out preliminary grafting positioning work to the motor case 3 of required installation in the middle of wheel hub 2 through spacing dop 204, and the arc wall that sets up through spacing dop 204 one side, can ensure its laminating degree between installing slot 301 with motor case 3, improve the fastness when the later stage is fixed motor case 3, stability and fastness when guaranteeing later stage motor case 3 to use.

Preferably, the peripheral embedding all around of top of motor case 3 is connected with installation slot 301, the peripheral outer wall of installation slot 301 links to each other with the peripheral inboard inner wall all around of top of motor case 3, insert in wheel hub 2 and splice the installation fixed back through spacing dop 204 and installation slot 301 when installer cardboard 201 will be installed, the flexible dop 203 of the peripheral setting in accessible installation cardboard 201 one side, can carry out mutual joint work with the inboard draw-in groove of installation slot 301 at its insertion process, ensure the firm degree at both connection site of installation cardboard 201 and installation slot 301, can ensure the fastness at spacing dop 204 and the mutual laminating site of motor case 3 simultaneously, embodied the utility model discloses an installation firmness.

Preferably, the peripheral embedding in top of motor case 3 is connected with leak protection groove 303, the peripheral outer wall in leak protection groove 303 links to each other with the peripheral inboard inner wall in top of motor case 3, install the concatenation back with motor case 3 and drive arrangement 4 when the installer, leak protection circle 402 that sets up on leak protection groove 303 and the drive arrangement 4 of the last setting of accessible motor case 3 carries out grafting work each other, accurate nature when can ensure motor case 3 and drive arrangement 4 each other when pegging graft the installation, play the effect of supplementary installation, simultaneously can avoid both to get into motor case 3 and drive arrangement 4 inside back at a large amount of dusts or water that the external production of during operation wheel, cause its inside gear card to pause and meet water rear structure damage and reduce its life scheduling problem, improve the structural protection nature of motor drive arrangement main part 1 itself, convenient to use person uses.

It is preferred, inboard fixedly connected with protection steel ring 304 in the middle of the top of motor case 3, inboard inner wall links to each other in the middle of the peripheral outer wall of protection steel ring 304 and the top of motor case 3, protection steel ring 304 has adopted special steel material to make, it is wear-resisting to have, high temperature resistant hardness characteristics such as high, can effectively play the effect of isolated dead axle 305 and driving gear 306 and motor case 3's casing, avoid motor case 3 when high-speed operation, the dead axle 305 on its top and the casing mutual contact friction that driving gear 306 is direct to make with the conventional steel material in motor case 3 top, lead to the casing damage phenomenon easily to appear, thereby reduced the life of motor case 3 itself, embodied the utility model discloses a structure protectiveness.

Preferably, drive arrangement 4's top periphery through connection has a plurality of bolts 401, the peripheral outer wall in bottom of bolt 401 links to each other with drive arrangement 4's the peripheral inboard inner wall in top, cup joint drive arrangement 4 back on motor case 3 when the installer, the accessible is to drive arrangement 4 top disect insertion bolt 401, run through in drive arrangement 4 reachs motor case 3, reach quick fixed mounting's effect, the maintenance personal of being convenient for simultaneously carries out periodical maintenance to motor case 3 and drive arrangement 4 and detects the time dismantlement work, improve maintenance efficiency, embodied the utility model discloses a dismouting nature.

Preferably, the one end fixedly connected with spring 405 of rotor 403, the peripheral outer wall of the other end of spring 405 links to each other with the peripheral outer wall of one end of rotor 403, when drive arrangement 4 moves, its inside rotor 403 can produce violent vibrations, can send certain noise simultaneously, the spring 405 that accessible rotor 403 one end set up, can play certain shock attenuation effect, restrain rotor 403 and take place violent vibrations, ensure the steady operation of rotor 403 itself, avoid leading to other structures of drive arrangement 4 inside when vibrational frequency is great not hard up to drop or damage the phenomenon, simultaneously through spring 405, can play certain noise reduction effect to rotor 403 itself at the during operation, embodied the utility model discloses a noise reduction nature.

Preferably, the hub 2 is composed of a mounting clamping plate 201 on the inner side of the periphery, a fixing hole 202 in the middle of one side of the mounting clamping plate 201, telescopic clamping heads 203 at two ends of the other side of the mounting clamping plate 201 and a limiting clamping head 204 at the other end of the mounting clamping plate 201, firstly, an installer can place the motor box 3 in the middle of the hub 2, then respectively insert the mounting clamping plate 201 into slots arranged on the periphery of the hub 2, and rapidly splice the mounting clamping plates with mounting clamping slots 301 arranged on the periphery of the motor box 3, meanwhile, the installation clamping plates can mutually clamp the clamping slots on the inner side of the mounting clamping slots 301 in the insertion process through the telescopic clamping heads 203 arranged on the periphery of one side of the mounting clamping plate 201, the firmness of the connecting parts of the mounting clamping plate 201 and the mounting clamping slots 301 is ensured, meanwhile, the firmness of the mutually jointed parts of the limiting clamping heads 204 and the motor box 3 is ensured, make it pass fixed orifices 202 and fix the one end of installation cardboard 201, reach and carry out the effect of fixing with wheel hub 2 and motor case 3 fast, certain degree has saved installation time when guaranteeing that the installation is firm, has embodied the utility model discloses an installation nature.

Preferably, the driving device 4 is composed of a latch 401 at the inner side of the top end of the periphery, a leakage-proof ring 402 at the bottom end, rotors 403 at the two ends of the interior, a transmission gear 404 at the bottom end of the rotor 403, a spring 405 at one end of the rotor 403, a protection end 406 at the inner side of the middle of the top end, an output shaft 407 at the inner side of the protection end 406 and a splicing end 6 at the bottom end of the output shaft 407, after the driving device 4 and the motor box 3 are installed, the driving device 4 is started to enable the rotor 403 in the interior to start to operate to drive the transmission gear 404 at the bottom end to rotate, then the transmission gear 404 directly drives the splicing end 6 at the inner side to rotate, and drives the motor box 3 at the bottom end to operate through the splicing end 6, the driving device 4 can effectively ensure the stable output of the motor box 3, and avoid the transient unstable output, can play certain shock attenuation effect to rotor 403 in drive arrangement 4, restrain rotor 403 and take place violent vibrations, ensure the steady operation of rotor 403 itself, lead to other structures of drive arrangement 4 inside not hard up when avoiding the frequency of vibration great to drop or damage the phenomenon, simultaneously through spring 405, can play certain noise reduction effect to rotor 403 itself at the during operation, ensure the steady operation of motor drive device main part 1 itself, improve its operating quality.

Preferably, the splicing end 6 is composed of a fixed disk 601 at the bottom end, shock absorbing heads 602 arranged around the top end of the fixed disk 601 and a splicing gear ring 603 arranged in the middle of the top end of the fixed disk 601, an installer can quickly insert the splicing end with a driving gear 306 on the motor box 3 through the splicing gear ring 603, and meanwhile, the stability of the machine table can be effectively improved when the splicing end 6 and the driving gear 306 are in mutual transmission output, so that the splicing end 6 and the driving gear 306 are prevented from vibrating at a higher frequency when in mutual transmission, mutual repulsion influence between the motor box 3 and the driving device 4 is avoided, abnormal and unstable phenomena can be caused when the splicing end 6 and the driving gear 306 are in mutual transmission, sound frequency generated when the splicing end 6 and the driving gear 306 vibrate can be reduced to a certain degree, a noise reduction effect is.

The working principle is as follows: firstly, an installer can place the motor box 3 at the middle position of the hub 2, then insert the mounting clamping plates 201 into the slots arranged around the periphery of the hub 2 respectively, and perform fast splicing work with the mounting clamping slots 301 arranged around the motor box 3, meanwhile, through the telescopic clamping head 203 arranged around one side of the mounting clamping plate 201, the installer can perform mutual clamping work with the clamping slots inside the mounting clamping slots 301 in the inserting process, ensure the firmness of the connecting parts of the mounting clamping plate 201 and the mounting clamping slots 301, and simultaneously ensure the firmness of the mutually-jointed parts of the limiting clamping head 204 and the motor box 3, then the installer can insert the mounting screws 5 into the periphery of the top end of the hub 2 respectively, so that the mounting screws penetrate through the fixing holes 202 to fix one end of the mounting clamping plate 201, the effect of fast fixing the hub 2 and the motor box 3 is achieved, the mounting time is saved to a certain degree while ensuring the mounting firmness, embodies the installation of the utility model;

then, the installer can quickly insert the splicing ring 603 with the driving gear 306 on the motor box 3, and simultaneously, through the shock absorption head 602 arranged on the splicing end 6, the stability of the machine table when the splicing end 6 and the driving gear 306 are mutually transmitted and output can be effectively improved, the phenomenon that the splicing end 6 and the driving gear 306 are mutually transmitted and generate high-frequency shock to cause mutual repulsion influence between the motor box 3 and the driving device 4, thereby causing abnormal and unstable output of the two, and reducing sound frequency generated when the splicing end 6 and the driving gear 306 vibrate to a certain degree, playing a noise reduction effect and achieving the effect of green environmental protection, and then after the installer sleeves the driving device 4 on the motor box 3, the top end of the driving device 4 can be directly inserted into the clamping bolt 401 to penetrate the driving device 4 to reach the motor box 3, thereby achieving the effect of quick and fixed installation, meanwhile, the motor box 3 and the driving device 4 can be conveniently dismounted by maintenance personnel during periodic maintenance and detection, the maintenance efficiency is improved, and the dismounting performance of the utility model is embodied;

then, after the installer mounts and splices the motor box 3 and the driving device 4, the anti-leakage groove 303 on the motor box 3 and the anti-leakage ring 402 on the driving device 4 can be inserted into each other, so as to ensure the accuracy of the motor box 3 and the driving device 4 when they are inserted into each other, and achieve the effect of auxiliary mounting, and simultaneously avoid the problems of the motor box 3 and the driving device 4 that the internal gear is jammed and the service life is reduced due to the structure damage after meeting water and the like caused by a large amount of dust or water generated from the outside of the wheels during operation, and improve the structure protection of the motor driving device main body 1 itself for the convenience of the user, and simultaneously, the protection steel ring 304 is made of special steel material, has the characteristics of wear resistance, high temperature resistance and hardness, and the like, and can effectively isolate the end shaft 305 and the driving gear 306 from the casing of the motor box 3, when the motor box 3 runs at a high speed, the end shaft 305 and the driving gear 306 at the top end of the motor box 3 are directly contacted and rubbed with the machine shell made of the conventional steel material at the top of the motor box 3, so that the machine shell is easy to damage, the service life of the motor box 3 is shortened, and the structural protection performance of the utility model is embodied;

next, the protection steel ring 304 is made of special steel materials, has the characteristics of wear resistance, high-temperature resistance, high hardness and the like, and can effectively play a role of isolating the end shaft 305 and the driving gear 306 from the casing of the motor box 3, so that when the motor box 3 runs at a high speed, the end shaft 305 and the driving gear 306 at the top end of the motor box are directly contacted and rubbed with the casing made of conventional steel materials at the top of the motor box 3, and the casing is easily damaged, thereby reducing the service life of the motor box 3 and embodying the structure protection property of the utility model;

finally, an installer can rapidly insert the splicing ring gear 603 with the driving gear 306 on the motor box 3, and meanwhile, through the shock absorption head 602 arranged on the splicing end 6, the stability of the machine table during mutual transmission output of the splicing end 6 and the driving gear 306 can be effectively improved, high-frequency shock caused by mutual transmission between the splicing end 6 and the driving gear 306 is avoided, mutual exclusion influence between the motor box 3 and the driving device 4 is caused, abnormal and unstable phenomena caused by output of the splicing end 6 and the driving gear 306 are caused, sound frequency generated by shock of the splicing end 6 and the driving gear 306 can be reduced to a certain degree, a noise reduction effect is achieved, and a green environment-friendly effect is achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides an in-wheel motor drive device, includes motor drive device main part (1), wheel hub (2), motor case (3), drive arrangement (4) and concatenation end (6), its characterized in that: the utility model discloses a motor drive device, including motor drive device main part (1), the peripheral fixedly connected with wheel hub (2) of motor drive device main part (1), the inboard outer wall of wheel hub (2) links to each other with the peripheral outer wall of motor drive device main part (1), the centre fixedly connected with motor case (3) of wheel hub (2), the inboard inner wall overlap joint in the centre of the inboard inner wall of the periphery of motor case (3) and wheel hub (2) links to each other, the top of wheel hub (2) is embedded all around and is connected with installation screw (5), the inboard inner wall overlap joint all around of the top of the peripheral outer wall in bottom of installation screw (5) and wheel.

2. An in-wheel motor drive apparatus according to claim 1, wherein: the front of wheel hub (2) is run through all around and is connected with installation cardboard (201), the peripheral outer wall of installation cardboard (201) links to each other with the front inboard inner wall all around of wheel hub (2), run through in the middle of one side of installation cardboard (201) and be connected with fixed orifices (202), the peripheral outer wall of fixed orifices (202) links to each other with the middle inboard inner wall in one side of installation cardboard (201), the embedding of the opposite side both ends of installation cardboard (201) is connected with flexible dop (203), the peripheral outer wall in one side of flexible dop (203) links to each other with the inboard inner wall in the opposite side both ends of installation cardboard (201).

3. An in-wheel motor drive apparatus according to claim 1, wherein: the motor case (3) is connected with a plurality of lugs (302) in a peripheral fixedly connected manner, the peripheral outer wall of the lugs (302) is connected with the peripheral outer wall of the motor case (3), an end shaft (305) is connected with the middle of the top end of the motor case (3) in an overlapping manner, the peripheral outer wall of the bottom end of the end shaft (305) is connected with the peripheral outer wall of the top end of the motor case (3) in the middle of, a driving gear (306) is movably connected with the middle of the top end of the end shaft (305), and the peripheral outer wall of the bottom of the driving gear (306) is connected with the inner wall of the top end of the end shaft (305.

4. An in-wheel motor drive apparatus according to claim 1, wherein: the bottom end of the driving device (4) is fixedly connected with a leakage-proof ring (402), the peripheral outer wall of the top end of the leakage-proof ring (402) is connected with the peripheral outer wall of the bottom end of the driving device (4), the two ends of the interior of the driving device (4) are fixedly connected with rotors (403), the peripheral outer wall of the top end of the rotors (403) is connected with the inner wall of the interior of the driving device (4), the middle of the bottom end of the rotors (403) is movably connected with a transmission gear (404), the peripheral outer wall of the top of the transmission gear (404) is connected with the inner wall of the middle of the bottom end of the rotors (403), the inner side of the middle of the top end of the driving device (4) is embedded and connected with a protection end head (406), the peripheral outer wall of the protection end head (406) is connected with the inner wall of, the outer peripheral wall of the output shaft (407) is connected with the inner side inner wall of the protection end (406) in an overlapping mode, the bottom end of the output shaft (407) is fixedly connected with a splicing end (6), and the outer peripheral wall of the top end of the splicing end (6) is connected with the outer peripheral wall of the bottom end of the output shaft (407).

5. An in-wheel motor drive apparatus according to claim 1, wherein: the bottom fixedly connected with fixed disk (601) of concatenation end (6), the peripheral outer wall of fixed disk (601) links to each other with the peripheral outer wall of concatenation end (6), fixedly connected with damping head (602) all around the top of fixed disk (601), the peripheral outer wall of bottom of damping head (602) links to each other with the top of fixed disk (601) all around the peripheral outer wall, inboard swing joint has concatenation ring gear (603) in the middle of the top of fixed disk (601), the inboard inner wall overlap joint links to each other in the middle of the peripheral outer wall of concatenation ring gear (603) and the top of fixed disk (601).

6. An in-wheel motor drive apparatus according to claim 2, wherein: the other end of the mounting clamping plate (201) is fixedly connected with a limiting clamping head (204), and the peripheral outer wall of one side of the limiting clamping head (204) is connected with the peripheral outer wall of the other side of the mounting clamping plate (201); the periphery of the top of the motor box (3) is embedded and connected with an installation clamping groove (301), and the outer peripheral wall of the installation clamping groove (301) is connected with the inner wall of the inner side of the periphery of the top of the motor box (3); the periphery of the top end of the motor box (3) is embedded and connected with a leakage-proof groove (303), and the peripheral outer wall of the leakage-proof groove (303) is connected with the inner wall of the inner side of the top periphery of the motor box (3); a protection steel ring (304) is fixedly connected to the inner side of the middle of the top end of the motor box (3), and the outer peripheral wall of the protection steel ring (304) is connected with the inner wall of the middle inner side of the top end of the motor box (3); the top end periphery of the driving device (4) is connected with a plurality of clamping bolts (401) in a penetrating mode, and the bottom periphery outer wall of each clamping bolt (401) is connected with the top end periphery inner side inner wall of the driving device (4).

7. An in-wheel motor drive apparatus according to claim 4, wherein: and one end of the rotor (403) is fixedly connected with a spring (405), and the peripheral outer wall of the other end of the spring (405) is connected with the peripheral outer wall of one end of the rotor (403).

8. An in-wheel motor drive apparatus according to claim 1, wherein: the hub (2) is composed of an installation clamping plate (201) on the inner side of the periphery, a fixing hole (202) in the middle of one side of the installation clamping plate (201), telescopic clamping heads (203) at two ends of the other side of the installation clamping plate (201) and a limiting clamping head (204) at the other end of the installation clamping plate (201) together.

9. An in-wheel motor drive apparatus according to claim 4, wherein: the driving device (4) consists of a clamping bolt (401) on the inner side of the top end of the periphery, a leakage-proof ring (402) on the bottom end, rotors (403) on the two ends of the interior, a transmission gear (404) on the bottom end of the rotors (403), a spring (405) on one end of the rotors (403), a protection end head (406) on the inner side of the middle of the top end, an output shaft (407) on the inner side of the protection end head (406) and a splicing end (6) on the bottom end of the output shaft (407); the splicing end (6) is composed of a fixed disk (601) at the bottom end, shock absorption heads (602) on the periphery of the top end of the fixed disk (601) and a splicing gear ring (603) in the middle of the top end of the fixed disk (601).

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