CN209448548U - A kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle - Google Patents
A kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle Download PDFInfo
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- CN209448548U CN209448548U CN201920500198.8U CN201920500198U CN209448548U CN 209448548 U CN209448548 U CN 209448548U CN 201920500198 U CN201920500198 U CN 201920500198U CN 209448548 U CN209448548 U CN 209448548U
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- oil sealing
- axle sleeve
- dustproof
- wheel hub
- electric vehicle
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Abstract
The utility model provides a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle, belongs to oil sealing dust control technology field.It solves the problems, such as that the oil sealing dust-proof effect of existing wheel hub electric motor of electric vehicle is poor.The oil sealing dustproof construction of this wheel hub electric motor of electric vehicle, hub motor includes motor shaft, motor outer shaft sleeve has axle sleeve, it is cased with side lid outside axle sleeve, bearing and oil sealing are equipped between side lid and axle sleeve, dustproof construction includes dust cover, motor shaft passes through dust cover and dust cover is fixedly connected with axle sleeve, while covering with dustproof groove recessed in a ring, along bending inwards to form dustproof part, dustproof part is embedded into dustproof groove the outer side edges of dust cover.The oil sealing dustproof construction of this wheel hub electric motor of electric vehicle has the advantages that good dustproof effect and is hardly damaged oil sealing.
Description
Technical field
The utility model belongs to oil sealing dust control technology field, is related to a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle.
Background technique
Wheel hub electric motor of electric vehicle is the power output part of electric vehicle, but since the working environment of electric vehicle is severe, electricity
Machine oil seals the pollution vulnerable to fugitive dust, silt, causes oil seal lip to wear, in order to improve the oil sealing service life, people can be in electric vehicle
Dustproof cover is set outside hub motor oil sealing to protect oil seal lip.
Existing oil sealing dustproof cover, such as brushless motor for automobile lead-out wire disclosed in Chinese patent literature data are traditional thread binding out
Set [application number: 201120013161.6；Authorization Notice No.: CN201937429U] comprising motor shaft, bearing, electric machine casing
And end cap, electric machine casing have connected wheel hub outside, installation stator and rotor, motor shaft outer wall are arranged short sleeve in electric machine casing,
Phase line outlet hole and hall signal outlet hole are formed in short sleeve, motor phase line lead-out wire passes through phase line outlet hole, hall signal
Lead-out wire passes through hall signal outlet hole.
The brushless motor for automobile of this kind of structure, due to being formed with phase line outlet hole and hall signal outlet hole in short sleeve,
Motor phase line lead-out wire passes through phase line outlet hole, and hall signal lead-out wire passes through hall signal outlet hole, therefore existing dust-proof
Lid can not be installed.The brushless motor for automobile of this kind of structure is that dust ring is arranged in the outside of installation oil sealing, and dust ring is embedded into
Between electric machine casing and short sleeve, but the mounting means of this kind of dust ring, still remain fugitive dust, silt etc. by dust ring and
The gap between gap and dust ring and short sleeve between electric machine casing enters in oil sealing, and dust-proof effect is poor, oil seal lip
Mouth is still prone to wear, and reduces the service life of oil sealing.
Summary of the invention
The purpose of this utility model is to propose a kind of electric vehicle hub electricity for the above-mentioned problems in the prior art
The technical issues of oil sealing dustproof construction of machine, solution is how to improve dust-proof effect to be hardly damaged oil sealing.
The purpose of this utility model can be realized by the following technical scheme: a kind of oil sealing of wheel hub electric motor of electric vehicle is dust-proof
Structure, hub motor include motor shaft, and the motor outer shaft sleeve has axle sleeve, and side lid, the side lid and axis are cased with outside the axle sleeve
Between set be equipped with bearing and oil sealing, which is characterized in that the dustproof construction includes dust cover, the motor shaft pass through dust cover and
The dust cover is fixedly connected with axle sleeve, and the side is covered with dustproof groove recessed in a ring, the outer side edges edge of the dust cover
It bends inwards to form dustproof part, the dustproof part is embedded into dustproof groove.
Dustproof cover is arranged in the outer end of axle sleeve in this oil sealing dustproof construction, and the dustproof part of dustproof cover and the dustproof groove of side lid match
It closes, dustproof part, which is embedded into dustproof groove, constitutes labyrinth structure, can effectively prevent the contact seals such as fugitive dust, silt, play more
Good dust-proof effect greatly improves the oil sealing service life so that oil sealing be made to be hardly damaged.And it can be in dustproof part and dustproof groove
Between filled soft material, better seal gap, improve dust-proof effect.
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, the dustproof part is equal with the axial direction of motor shaft
Row.When installation, it is only necessary to make dust cover that can be installed in place dustproof part along the axial movement of motor shaft, it is easy for installation.
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, the dust cover further includes fixation in a ring
Portion and interconnecting piece, the fixed part are fixedly connected with by interconnecting piece and dustproof part, and the axial direction of the fixed part and motor shaft is perpendicular,
The interconnecting piece is disposed obliquely inwards along the direction of fixed part towards dustproof part or the axial phase of the interconnecting piece and motor shaft
Vertically.This kind of structure keeps the structure between dust cover and Bian Gai more compact, is not easy and extraneous contact, and makes external form
It is beautiful.
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, there are several on the end face of the axle sleeve outer end
The fixation hole of recessed setting, with the fixation pillar of several inwardly projecting settings in the dust cover, the fixed pillar is embedding
Enter into fixation hole, and by the way that fastener is across fixed pillar and penetrating into axle sleeve is fixedly connected with dust cover and axle sleeve.It is fixed
Hole is for fixing with fixed pillar while also functioning to the effect of positioning, and fixed pillar, which is embedded into fixation hole, makes dust cover
Position be installed in place, to improve dust-proof effect.
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, there is accommodating chamber in the fixed pillar, it is described
The outer end of fastener is integrally located in accommodating chamber.This kind of structure keeps dust cover structure compact, is not easy and extraneous contact, and
Make aesthetic in appearance.
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, along the axial direction of axle sleeve, has in the axle sleeve and pass through
The passing channel worn, has perforative cable-through hole in the dust cover, and the passing channel is correspondingly arranged with cable-through hole.Motor phase
Line, hall signal lead-out wire etc. can be passed through by passing channel and cable-through hole, this dust cover is suitable for the wheel hub of this kind of structure
Motor.
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, the cable-through hole is arc-shaped, along the axial direction of axle sleeve,
The projection of the passing channel is located in cable-through hole.This kind of structure can prevent the hole wall of cable-through hole to motor phase line and Hall
Cutting damage caused by signal lead-out wire etc. is hardly damaged motor phase line and hall signal lead-out wire etc..
In the oil sealing dustproof construction of above-mentioned wheel hub electric motor of electric vehicle, the edge of the axle sleeve inner end has along axle sleeve
The annular gear edge of radially protruding setting, first mounting groove and the of the side lid on the inner sidewall of axle sleeve with recessed setting
Two mounting grooves, first mounting groove and the second mounting groove are connected, and the bearing is located in the first mounting groove and the bearing
Annular gear is resisted against along upper, the oil sealing is located in the second mounting groove.Rationally utilize space, connection and reasonable arrangement.
Compared with prior art, the oil sealing dustproof construction of wheel hub electric motor of electric vehicle provided by the utility model has following excellent
Point:
1, the dustproof part of the dustproof cover of this oil sealing dustproof construction is matched with the dustproof groove of side lid, and dustproof part is embedded into dust-proof
Labyrinth structure is constituted in slot, can effectively be prevented the contact seals such as fugitive dust, silt, be played better dust-proof effect, to make
Oil sealing is hardly damaged, and greatly improves the oil sealing service life.
2, there is the cable-through hole passed through for conducting wire on the dustproof cover of this oil sealing dustproof construction, this dust cover is made to be suitable for having
Motor phase line, hall signal lead-out wire etc. and the hub motor for needing to be pierced by.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view one of this oil sealing dustproof construction.
Fig. 2 is the schematic cross-sectional view two of this oil sealing dustproof construction.
Fig. 3 is the overall structure diagram of the dust cover of this oil sealing dustproof construction.
In figure, 1, motor shaft；2, axle sleeve；21, fixation hole；22, passing channel；23, annular gear edge；3, Bian Gai；31, dust-proof
Slot；32, the first mounting groove；33, the second mounting groove；4, bearing；5, oil sealing；6, dust cover；61, dustproof part；62, fixed part；63,
Interconnecting piece；64, fixed pillar；65, accommodating chamber；66, cable-through hole；7, fastener.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, hub motor includes motor shaft 1, and axle sleeve 2, the edge of 2 inner end of axle sleeve are cased with outside motor shaft 1
Annular gear with the radially protruding setting along axle sleeve 2 is cased with side lid 3, inner sidewall of the side lid 3 close to axle sleeve 2 outside 23, axle sleeve 2
Upper the first mounting groove 32 and the second mounting groove 33 with recessed setting, the first mounting groove 32 are connected with the second mounting groove 33,
Bearing 4 is located in the first mounting groove 32 and bearing 4 is resisted against annular gear along 23, and oil sealing 5 is located in the second mounting groove 33.
Dustproof construction includes the dustproof groove 31 recessed in a ring on dust cover 6 and Bian Gai 3.As shown in figure 3, dustproof construction
Including fixed part 62, interconnecting piece 63 and dustproof part 61 in a ring, fixed part 62 is connected by interconnecting piece 63 with dustproof part 61,
Fixed part 62 and the axial direction of motor shaft 1 are perpendicular, and dustproof part 61 is formed by the outer side edges of dust cover 6 along bending inwards, dustproof part
61 is parallel with the axial direction of motor shaft 1, and dustproof part 61 is embedded into dustproof groove 31, and in the present embodiment, interconnecting piece 63 is along fixed part
62 are disposed obliquely inwards towards the direction of dustproof part 61, and in actual production, interconnecting piece 63 can mutually hang down with the axial of motor shaft 1
Directly, i.e. interconnecting piece 63 and fixed part 62 is flush.
Motor shaft 1 passes through dust cover 6 and dust cover 6 is fixedly connected with axle sleeve 2, in the present embodiment, on the end face of 2 outer end of axle sleeve
Has the fixation hole 21 there are two recessed setting, there are two the fixation pillars 64 of inwardly projecting setting for tool in dust cover 6, in practical life
In production, the quantity of fixation hole 21 can may be three or four for the quantity of three perhaps four fixed pillars 64.Gu
Determine hole 21 and fixed pillar 64 is arranged in a one-to-one correspondence, fixed pillar 64 is located in fixed part 62, and fixed pillar 64 is embedded into fixation
In hole 21, there is accommodating chamber 65 in fixed pillar 64, fixed pillar 64 is passed through by fastener 7 such as bolt or screw and penetrate
It is fixedly connected with dust cover 6 and axle sleeve 2 into axle sleeve 2, the outer end of fastener 7 is integrally located in accommodating chamber 65.
Along the axial direction of axle sleeve 2, there is perforative passing channel 22 in axle sleeve 2, there is perforative cable-through hole in dust cover 6
66, passing channel 22 is correspondingly arranged with cable-through hole 66, and cable-through hole 66 is arc-shaped, along the axial direction of axle sleeve 2, the projection of passing channel 22
Positioned in cable-through hole 66.
When dust cover 6 is installed, by 6 sets of dust cover on motor shaft 1, motor phase line and hall signal lead-out wire etc. are passed through
Cable-through hole 66 pushes dust cover 6 to move along motor shaft 1, is embedded into fixed pillar 64 in corresponding fixation hole 21, prevents at this time
Dirt portion 61 is embedded into dustproof groove 31, and such as bolt of fastener 7 is then passed through fixed pillar 64 and is screwed.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although motor shaft 1, axle sleeve 2, fixation hole 21, passing channel 22, annular gear is used more herein along 23, Bian Gai
3, dustproof groove 31, the first mounting groove 32, the second mounting groove 33, bearing 4, oil sealing 5, dust cover 6, dustproof part 61, fixed part 62, company
The terms such as socket part 63, fixed pillar 64, accommodating chamber 65, cable-through hole 66, fastener 7, but be not precluded using other terms can
It can property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as appointing
The additional limitation of what one kind is all contrary to the spirit of the present invention.
Claims (8)
1. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle, hub motor includes motor shaft (1), and the motor shaft (1) is outside
It is cased with axle sleeve (2), is cased with side lid (3) outside the axle sleeve (2), bearing (4) and oil are equipped between the side lid (3) and axle sleeve (2)
It seals (5), which is characterized in that the dustproof construction includes dust cover (6), and the motor shaft (1) passes through dust cover (6) and described anti-
Dust hood (6) is fixedly connected with axle sleeve (2), has dustproof groove (31) recessed in a ring, the dust cover (6) on the side lid (3)
Outer side edges along bending inwards to be formed dustproof part (61), the dustproof part (61) is embedded into dustproof groove (31).
2. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 1, which is characterized in that described dust-proof
Portion (61) is parallel with the axial direction of motor shaft (1).
3. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 1, which is characterized in that described dust-proof
Cover (6) further includes fixed part (62) and interconnecting piece (63) in a ring, and the fixed part (62) passes through interconnecting piece (63) and anti-
Dirt portion (61) is fixedly connected with, and the fixed part (62) and the axial direction of motor shaft (1) are perpendicular, and the interconnecting piece (63) is along fixed part
(62) it is disposed obliquely inwards towards the direction of dustproof part (61) or the interconnecting piece (63) mutually hangs down with the axial of motor shaft (1)
Directly.
4. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 1 or 2 or 3, which is characterized in that institute
The fixation hole (21) on the end face of axle sleeve (2) outer end with several recessed settings is stated, there are several in the dust cover (6)
The fixation pillar (64) of inwardly projecting setting, the fixed pillar (64) are embedded into fixation hole (21), and pass through fastener (7)
Across fixed pillar (64) and penetrating into axle sleeve (2) is fixedly connected with dust cover (6) and axle sleeve (2).
5. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 4, which is characterized in that the fixation
There are accommodating chamber (65) in pillar (64), the outer end of the fastener (7) is integrally located in accommodating chamber (65).
6. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 1 or 2 or 3, which is characterized in that edge
The axial direction of axle sleeve (2) has perforative passing channel (22) in the axle sleeve (2), has perforative mistake in the dust cover (6)
String holes (66), the passing channel (22) are correspondingly arranged with cable-through hole (66).
7. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 6, which is characterized in that described to cross line
Hole (66) is arc-shaped, the axial direction along axle sleeve (2), and the projection of the passing channel (22) is located in cable-through hole (66).
8. a kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle according to claim 1 or 2 or 3, which is characterized in that institute
For the annular gear that there is the radially protruding along axle sleeve (2) to be arranged at the edge for stating axle sleeve (2) inner end along (23), the side lid (3) is close
With the first mounting groove (32) and the second mounting groove (33) of recessed setting, first mounting groove on the inner sidewall of axle sleeve (2)
(32) it is connected with the second mounting groove (33), the bearing (4) is located in the first mounting groove (32) and the bearing (4) is resisted against
On (23), the oil sealing (5) is located in the second mounting groove (33) annular gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500198.8U CN209448548U (en) | 2019-04-12 | 2019-04-12 | A kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500198.8U CN209448548U (en) | 2019-04-12 | 2019-04-12 | A kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN209448548U true CN209448548U (en) | 2019-09-27 |
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ID=68034472
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920500198.8U Active CN209448548U (en) | 2019-04-12 | 2019-04-12 | A kind of oil sealing dustproof construction of wheel hub electric motor of electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN209448548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389395A (en) * | 2020-10-21 | 2022-04-22 | 襄阳中车电机技术有限公司 | Shaft end sealing structure of motor with coupling, motor and new energy automobile |
| WO2023035167A1 (en) * | 2021-09-09 | 2023-03-16 | 舍弗勒技术股份两合公司 | Sealing structure, inner wheel drive system and assembly method |
-
2019
- 2019-04-12 CN CN201920500198.8U patent/CN209448548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389395A (en) * | 2020-10-21 | 2022-04-22 | 襄阳中车电机技术有限公司 | Shaft end sealing structure of motor with coupling, motor and new energy automobile |
| WO2023035167A1 (en) * | 2021-09-09 | 2023-03-16 | 舍弗勒技术股份两合公司 | Sealing structure, inner wheel drive system and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil seal dustproof structure of electric vehicle hub motor Effective date of registration: 20200117 Granted publication date: 20190927 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd Taizhou Wenling branch Pledgor: Wenling Nine Continent Motor Manufacturing Co., Ltd. Registration number: Y2020330000045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 3 Wanjin Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Jiuzhou New Energy Technology Co.,Ltd. Address before: 317500 east of Xincheng Avenue, Qiaowu village, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: WENLING JIUZHOU ELECTROMECHANICAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220224 Granted publication date: 20190927 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: WENLING JIUZHOU ELECTROMECHANICAL Co.,Ltd. Registration number: Y2020330000045 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |